/* Deal with I/O statements & related stuff.
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/* Deal with I/O statements & related stuff.
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Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by Andy Vaught
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Contributed by Andy Vaught
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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Software Foundation; either version 3, or (at your option) any later
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version.
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "config.h"
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#include "system.h"
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#include "system.h"
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#include "flags.h"
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#include "flags.h"
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#include "gfortran.h"
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#include "gfortran.h"
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#include "match.h"
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#include "match.h"
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#include "parse.h"
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#include "parse.h"
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gfc_st_label
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gfc_st_label
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format_asterisk = {0, NULL, NULL, -1, ST_LABEL_FORMAT, ST_LABEL_FORMAT, NULL,
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format_asterisk = {0, NULL, NULL, -1, ST_LABEL_FORMAT, ST_LABEL_FORMAT, NULL,
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0, {NULL, NULL}};
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0, {NULL, NULL}};
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typedef struct
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typedef struct
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{
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{
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const char *name, *spec, *value;
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const char *name, *spec, *value;
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bt type;
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bt type;
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}
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}
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io_tag;
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io_tag;
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static const io_tag
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static const io_tag
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tag_file = {"FILE", " file =", " %e", BT_CHARACTER },
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tag_file = {"FILE", " file =", " %e", BT_CHARACTER },
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tag_status = {"STATUS", " status =", " %e", BT_CHARACTER},
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tag_status = {"STATUS", " status =", " %e", BT_CHARACTER},
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tag_e_access = {"ACCESS", " access =", " %e", BT_CHARACTER},
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tag_e_access = {"ACCESS", " access =", " %e", BT_CHARACTER},
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tag_e_form = {"FORM", " form =", " %e", BT_CHARACTER},
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tag_e_form = {"FORM", " form =", " %e", BT_CHARACTER},
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tag_e_recl = {"RECL", " recl =", " %e", BT_INTEGER},
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tag_e_recl = {"RECL", " recl =", " %e", BT_INTEGER},
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tag_e_blank = {"BLANK", " blank =", " %e", BT_CHARACTER},
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tag_e_blank = {"BLANK", " blank =", " %e", BT_CHARACTER},
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tag_e_position = {"POSITION", " position =", " %e", BT_CHARACTER},
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tag_e_position = {"POSITION", " position =", " %e", BT_CHARACTER},
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tag_e_action = {"ACTION", " action =", " %e", BT_CHARACTER},
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tag_e_action = {"ACTION", " action =", " %e", BT_CHARACTER},
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tag_e_delim = {"DELIM", " delim =", " %e", BT_CHARACTER},
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tag_e_delim = {"DELIM", " delim =", " %e", BT_CHARACTER},
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tag_e_pad = {"PAD", " pad =", " %e", BT_CHARACTER},
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tag_e_pad = {"PAD", " pad =", " %e", BT_CHARACTER},
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tag_e_decimal = {"DECIMAL", " decimal =", " %e", BT_CHARACTER},
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tag_e_decimal = {"DECIMAL", " decimal =", " %e", BT_CHARACTER},
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tag_e_encoding = {"ENCODING", " encoding =", " %e", BT_CHARACTER},
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tag_e_encoding = {"ENCODING", " encoding =", " %e", BT_CHARACTER},
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tag_e_async = {"ASYNCHRONOUS", " asynchronous =", " %e", BT_CHARACTER},
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tag_e_async = {"ASYNCHRONOUS", " asynchronous =", " %e", BT_CHARACTER},
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tag_e_round = {"ROUND", " round =", " %e", BT_CHARACTER},
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tag_e_round = {"ROUND", " round =", " %e", BT_CHARACTER},
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tag_e_sign = {"SIGN", " sign =", " %e", BT_CHARACTER},
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tag_e_sign = {"SIGN", " sign =", " %e", BT_CHARACTER},
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tag_unit = {"UNIT", " unit =", " %e", BT_INTEGER},
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tag_unit = {"UNIT", " unit =", " %e", BT_INTEGER},
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tag_advance = {"ADVANCE", " advance =", " %e", BT_CHARACTER},
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tag_advance = {"ADVANCE", " advance =", " %e", BT_CHARACTER},
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tag_rec = {"REC", " rec =", " %e", BT_INTEGER},
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tag_rec = {"REC", " rec =", " %e", BT_INTEGER},
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tag_spos = {"POSITION", " pos =", " %e", BT_INTEGER},
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tag_spos = {"POSITION", " pos =", " %e", BT_INTEGER},
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tag_format = {"FORMAT", NULL, NULL, BT_CHARACTER},
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tag_format = {"FORMAT", NULL, NULL, BT_CHARACTER},
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tag_iomsg = {"IOMSG", " iomsg =", " %e", BT_CHARACTER},
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tag_iomsg = {"IOMSG", " iomsg =", " %e", BT_CHARACTER},
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tag_iostat = {"IOSTAT", " iostat =", " %v", BT_INTEGER},
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tag_iostat = {"IOSTAT", " iostat =", " %v", BT_INTEGER},
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tag_size = {"SIZE", " size =", " %v", BT_INTEGER},
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tag_size = {"SIZE", " size =", " %v", BT_INTEGER},
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tag_exist = {"EXIST", " exist =", " %v", BT_LOGICAL},
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tag_exist = {"EXIST", " exist =", " %v", BT_LOGICAL},
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tag_opened = {"OPENED", " opened =", " %v", BT_LOGICAL},
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tag_opened = {"OPENED", " opened =", " %v", BT_LOGICAL},
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tag_named = {"NAMED", " named =", " %v", BT_LOGICAL},
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tag_named = {"NAMED", " named =", " %v", BT_LOGICAL},
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tag_name = {"NAME", " name =", " %v", BT_CHARACTER},
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tag_name = {"NAME", " name =", " %v", BT_CHARACTER},
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tag_number = {"NUMBER", " number =", " %v", BT_INTEGER},
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tag_number = {"NUMBER", " number =", " %v", BT_INTEGER},
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tag_s_access = {"ACCESS", " access =", " %v", BT_CHARACTER},
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tag_s_access = {"ACCESS", " access =", " %v", BT_CHARACTER},
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tag_sequential = {"SEQUENTIAL", " sequential =", " %v", BT_CHARACTER},
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tag_sequential = {"SEQUENTIAL", " sequential =", " %v", BT_CHARACTER},
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tag_direct = {"DIRECT", " direct =", " %v", BT_CHARACTER},
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tag_direct = {"DIRECT", " direct =", " %v", BT_CHARACTER},
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tag_s_form = {"FORM", " form =", " %v", BT_CHARACTER},
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tag_s_form = {"FORM", " form =", " %v", BT_CHARACTER},
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tag_formatted = {"FORMATTED", " formatted =", " %v", BT_CHARACTER},
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tag_formatted = {"FORMATTED", " formatted =", " %v", BT_CHARACTER},
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tag_unformatted = {"UNFORMATTED", " unformatted =", " %v", BT_CHARACTER},
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tag_unformatted = {"UNFORMATTED", " unformatted =", " %v", BT_CHARACTER},
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tag_s_recl = {"RECL", " recl =", " %v", BT_INTEGER},
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tag_s_recl = {"RECL", " recl =", " %v", BT_INTEGER},
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tag_nextrec = {"NEXTREC", " nextrec =", " %v", BT_INTEGER},
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tag_nextrec = {"NEXTREC", " nextrec =", " %v", BT_INTEGER},
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tag_s_blank = {"BLANK", " blank =", " %v", BT_CHARACTER},
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tag_s_blank = {"BLANK", " blank =", " %v", BT_CHARACTER},
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tag_s_position = {"POSITION", " position =", " %v", BT_CHARACTER},
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tag_s_position = {"POSITION", " position =", " %v", BT_CHARACTER},
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tag_s_action = {"ACTION", " action =", " %v", BT_CHARACTER},
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tag_s_action = {"ACTION", " action =", " %v", BT_CHARACTER},
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tag_read = {"READ", " read =", " %v", BT_CHARACTER},
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tag_read = {"READ", " read =", " %v", BT_CHARACTER},
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tag_write = {"WRITE", " write =", " %v", BT_CHARACTER},
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tag_write = {"WRITE", " write =", " %v", BT_CHARACTER},
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tag_readwrite = {"READWRITE", " readwrite =", " %v", BT_CHARACTER},
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tag_readwrite = {"READWRITE", " readwrite =", " %v", BT_CHARACTER},
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tag_s_delim = {"DELIM", " delim =", " %v", BT_CHARACTER},
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tag_s_delim = {"DELIM", " delim =", " %v", BT_CHARACTER},
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tag_s_pad = {"PAD", " pad =", " %v", BT_CHARACTER},
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tag_s_pad = {"PAD", " pad =", " %v", BT_CHARACTER},
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tag_s_decimal = {"DECIMAL", " decimal =", " %v", BT_CHARACTER},
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tag_s_decimal = {"DECIMAL", " decimal =", " %v", BT_CHARACTER},
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tag_s_encoding = {"ENCODING", " encoding =", " %v", BT_CHARACTER},
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tag_s_encoding = {"ENCODING", " encoding =", " %v", BT_CHARACTER},
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tag_s_async = {"ASYNCHRONOUS", " asynchronous =", " %v", BT_CHARACTER},
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tag_s_async = {"ASYNCHRONOUS", " asynchronous =", " %v", BT_CHARACTER},
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tag_s_round = {"ROUND", " round =", " %v", BT_CHARACTER},
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tag_s_round = {"ROUND", " round =", " %v", BT_CHARACTER},
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tag_s_sign = {"SIGN", " sign =", " %v", BT_CHARACTER},
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tag_s_sign = {"SIGN", " sign =", " %v", BT_CHARACTER},
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tag_iolength = {"IOLENGTH", " iolength =", " %v", BT_INTEGER},
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tag_iolength = {"IOLENGTH", " iolength =", " %v", BT_INTEGER},
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tag_convert = {"CONVERT", " convert =", " %e", BT_CHARACTER},
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tag_convert = {"CONVERT", " convert =", " %e", BT_CHARACTER},
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tag_strm_out = {"POS", " pos =", " %v", BT_INTEGER},
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tag_strm_out = {"POS", " pos =", " %v", BT_INTEGER},
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tag_err = {"ERR", " err =", " %l", BT_UNKNOWN},
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tag_err = {"ERR", " err =", " %l", BT_UNKNOWN},
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tag_end = {"END", " end =", " %l", BT_UNKNOWN},
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tag_end = {"END", " end =", " %l", BT_UNKNOWN},
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tag_eor = {"EOR", " eor =", " %l", BT_UNKNOWN},
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tag_eor = {"EOR", " eor =", " %l", BT_UNKNOWN},
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tag_id = {"ID", " id =", " %v", BT_INTEGER},
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tag_id = {"ID", " id =", " %v", BT_INTEGER},
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tag_pending = {"PENDING", " pending =", " %v", BT_LOGICAL},
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tag_pending = {"PENDING", " pending =", " %v", BT_LOGICAL},
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tag_newunit = {"NEWUNIT", " newunit =", " %v", BT_INTEGER};
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tag_newunit = {"NEWUNIT", " newunit =", " %v", BT_INTEGER};
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static gfc_dt *current_dt;
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static gfc_dt *current_dt;
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#define RESOLVE_TAG(x, y) if (resolve_tag(x, y) == FAILURE) return FAILURE;
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#define RESOLVE_TAG(x, y) if (resolve_tag(x, y) == FAILURE) return FAILURE;
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/**************** Fortran 95 FORMAT parser *****************/
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/**************** Fortran 95 FORMAT parser *****************/
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/* FORMAT tokens returned by format_lex(). */
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/* FORMAT tokens returned by format_lex(). */
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typedef enum
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typedef enum
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{
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{
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FMT_NONE, FMT_UNKNOWN, FMT_SIGNED_INT, FMT_ZERO, FMT_POSINT, FMT_PERIOD,
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FMT_NONE, FMT_UNKNOWN, FMT_SIGNED_INT, FMT_ZERO, FMT_POSINT, FMT_PERIOD,
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FMT_COMMA, FMT_COLON, FMT_SLASH, FMT_DOLLAR, FMT_LPAREN,
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FMT_COMMA, FMT_COLON, FMT_SLASH, FMT_DOLLAR, FMT_LPAREN,
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FMT_RPAREN, FMT_X, FMT_SIGN, FMT_BLANK, FMT_CHAR, FMT_P, FMT_IBOZ, FMT_F,
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FMT_RPAREN, FMT_X, FMT_SIGN, FMT_BLANK, FMT_CHAR, FMT_P, FMT_IBOZ, FMT_F,
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FMT_E, FMT_EN, FMT_ES, FMT_G, FMT_L, FMT_A, FMT_D, FMT_H, FMT_END,
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FMT_E, FMT_EN, FMT_ES, FMT_G, FMT_L, FMT_A, FMT_D, FMT_H, FMT_END,
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FMT_ERROR, FMT_DC, FMT_DP, FMT_T, FMT_TR, FMT_TL, FMT_STAR, FMT_RC,
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FMT_ERROR, FMT_DC, FMT_DP, FMT_T, FMT_TR, FMT_TL, FMT_STAR, FMT_RC,
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FMT_RD, FMT_RN, FMT_RP, FMT_RU, FMT_RZ
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FMT_RD, FMT_RN, FMT_RP, FMT_RU, FMT_RZ
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}
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}
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format_token;
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format_token;
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/* Local variables for checking format strings. The saved_token is
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/* Local variables for checking format strings. The saved_token is
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used to back up by a single format token during the parsing
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used to back up by a single format token during the parsing
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process. */
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process. */
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static gfc_char_t *format_string;
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static gfc_char_t *format_string;
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static int format_string_pos;
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static int format_string_pos;
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static int format_length, use_last_char;
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static int format_length, use_last_char;
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static char error_element;
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static char error_element;
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static locus format_locus;
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static locus format_locus;
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static format_token saved_token;
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static format_token saved_token;
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static enum
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static enum
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{ MODE_STRING, MODE_FORMAT, MODE_COPY }
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{ MODE_STRING, MODE_FORMAT, MODE_COPY }
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mode;
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mode;
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/* Return the next character in the format string. */
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/* Return the next character in the format string. */
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static char
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static char
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next_char (int in_string)
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next_char (int in_string)
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{
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{
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static gfc_char_t c;
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static gfc_char_t c;
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if (use_last_char)
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if (use_last_char)
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{
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{
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use_last_char = 0;
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use_last_char = 0;
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return c;
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return c;
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}
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}
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format_length++;
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format_length++;
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if (mode == MODE_STRING)
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if (mode == MODE_STRING)
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c = *format_string++;
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c = *format_string++;
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else
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else
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{
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{
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c = gfc_next_char_literal (in_string);
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c = gfc_next_char_literal (in_string);
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if (c == '\n')
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if (c == '\n')
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c = '\0';
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c = '\0';
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}
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}
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if (gfc_option.flag_backslash && c == '\\')
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if (gfc_option.flag_backslash && c == '\\')
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{
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{
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locus old_locus = gfc_current_locus;
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locus old_locus = gfc_current_locus;
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|
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if (gfc_match_special_char (&c) == MATCH_NO)
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if (gfc_match_special_char (&c) == MATCH_NO)
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gfc_current_locus = old_locus;
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gfc_current_locus = old_locus;
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if (!(gfc_option.allow_std & GFC_STD_GNU) && !inhibit_warnings)
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if (!(gfc_option.allow_std & GFC_STD_GNU) && !inhibit_warnings)
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gfc_warning ("Extension: backslash character at %C");
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gfc_warning ("Extension: backslash character at %C");
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}
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}
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if (mode == MODE_COPY)
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if (mode == MODE_COPY)
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*format_string++ = c;
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*format_string++ = c;
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if (mode != MODE_STRING)
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if (mode != MODE_STRING)
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format_locus = gfc_current_locus;
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format_locus = gfc_current_locus;
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format_string_pos++;
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format_string_pos++;
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c = gfc_wide_toupper (c);
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c = gfc_wide_toupper (c);
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return c;
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return c;
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}
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}
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/* Back up one character position. Only works once. */
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/* Back up one character position. Only works once. */
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|
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static void
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static void
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unget_char (void)
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unget_char (void)
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{
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{
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use_last_char = 1;
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use_last_char = 1;
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}
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}
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/* Eat up the spaces and return a character. */
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/* Eat up the spaces and return a character. */
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static char
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static char
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next_char_not_space (bool *error)
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next_char_not_space (bool *error)
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{
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{
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char c;
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char c;
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do
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do
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{
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{
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error_element = c = next_char (0);
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error_element = c = next_char (0);
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if (c == '\t')
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if (c == '\t')
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{
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{
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if (gfc_option.allow_std & GFC_STD_GNU)
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if (gfc_option.allow_std & GFC_STD_GNU)
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gfc_warning ("Extension: Tab character in format at %C");
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gfc_warning ("Extension: Tab character in format at %C");
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else
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else
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{
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{
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gfc_error ("Extension: Tab character in format at %C");
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gfc_error ("Extension: Tab character in format at %C");
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*error = true;
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*error = true;
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return c;
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return c;
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}
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}
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}
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}
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}
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}
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while (gfc_is_whitespace (c));
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while (gfc_is_whitespace (c));
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return c;
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return c;
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}
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}
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|
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static int value = 0;
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static int value = 0;
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|
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/* Simple lexical analyzer for getting the next token in a FORMAT
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/* Simple lexical analyzer for getting the next token in a FORMAT
|
statement. */
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statement. */
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static format_token
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static format_token
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format_lex (void)
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format_lex (void)
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{
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{
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format_token token;
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format_token token;
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char c, delim;
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char c, delim;
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int zflag;
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int zflag;
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int negative_flag;
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int negative_flag;
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bool error = false;
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bool error = false;
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|
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if (saved_token != FMT_NONE)
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if (saved_token != FMT_NONE)
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{
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{
|
token = saved_token;
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token = saved_token;
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saved_token = FMT_NONE;
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saved_token = FMT_NONE;
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return token;
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return token;
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}
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}
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|
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c = next_char_not_space (&error);
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c = next_char_not_space (&error);
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|
|
negative_flag = 0;
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negative_flag = 0;
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switch (c)
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switch (c)
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{
|
{
|
case '-':
|
case '-':
|
negative_flag = 1;
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negative_flag = 1;
|
case '+':
|
case '+':
|
c = next_char_not_space (&error);
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c = next_char_not_space (&error);
|
if (!ISDIGIT (c))
|
if (!ISDIGIT (c))
|
{
|
{
|
token = FMT_UNKNOWN;
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token = FMT_UNKNOWN;
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break;
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break;
|
}
|
}
|
|
|
value = c - '0';
|
value = c - '0';
|
|
|
do
|
do
|
{
|
{
|
c = next_char_not_space (&error);
|
c = next_char_not_space (&error);
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if (ISDIGIT (c))
|
if (ISDIGIT (c))
|
value = 10 * value + c - '0';
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value = 10 * value + c - '0';
|
}
|
}
|
while (ISDIGIT (c));
|
while (ISDIGIT (c));
|
|
|
unget_char ();
|
unget_char ();
|
|
|
if (negative_flag)
|
if (negative_flag)
|
value = -value;
|
value = -value;
|
|
|
token = FMT_SIGNED_INT;
|
token = FMT_SIGNED_INT;
|
break;
|
break;
|
|
|
case '0':
|
case '0':
|
case '1':
|
case '1':
|
case '2':
|
case '2':
|
case '3':
|
case '3':
|
case '4':
|
case '4':
|
case '5':
|
case '5':
|
case '6':
|
case '6':
|
case '7':
|
case '7':
|
case '8':
|
case '8':
|
case '9':
|
case '9':
|
zflag = (c == '0');
|
zflag = (c == '0');
|
|
|
value = c - '0';
|
value = c - '0';
|
|
|
do
|
do
|
{
|
{
|
c = next_char_not_space (&error);
|
c = next_char_not_space (&error);
|
if (ISDIGIT (c))
|
if (ISDIGIT (c))
|
{
|
{
|
value = 10 * value + c - '0';
|
value = 10 * value + c - '0';
|
if (c != '0')
|
if (c != '0')
|
zflag = 0;
|
zflag = 0;
|
}
|
}
|
}
|
}
|
while (ISDIGIT (c));
|
while (ISDIGIT (c));
|
|
|
unget_char ();
|
unget_char ();
|
token = zflag ? FMT_ZERO : FMT_POSINT;
|
token = zflag ? FMT_ZERO : FMT_POSINT;
|
break;
|
break;
|
|
|
case '.':
|
case '.':
|
token = FMT_PERIOD;
|
token = FMT_PERIOD;
|
break;
|
break;
|
|
|
case ',':
|
case ',':
|
token = FMT_COMMA;
|
token = FMT_COMMA;
|
break;
|
break;
|
|
|
case ':':
|
case ':':
|
token = FMT_COLON;
|
token = FMT_COLON;
|
break;
|
break;
|
|
|
case '/':
|
case '/':
|
token = FMT_SLASH;
|
token = FMT_SLASH;
|
break;
|
break;
|
|
|
case '$':
|
case '$':
|
token = FMT_DOLLAR;
|
token = FMT_DOLLAR;
|
break;
|
break;
|
|
|
case 'T':
|
case 'T':
|
c = next_char_not_space (&error);
|
c = next_char_not_space (&error);
|
switch (c)
|
switch (c)
|
{
|
{
|
case 'L':
|
case 'L':
|
token = FMT_TL;
|
token = FMT_TL;
|
break;
|
break;
|
case 'R':
|
case 'R':
|
token = FMT_TR;
|
token = FMT_TR;
|
break;
|
break;
|
default:
|
default:
|
token = FMT_T;
|
token = FMT_T;
|
unget_char ();
|
unget_char ();
|
}
|
}
|
break;
|
break;
|
|
|
case '(':
|
case '(':
|
token = FMT_LPAREN;
|
token = FMT_LPAREN;
|
break;
|
break;
|
|
|
case ')':
|
case ')':
|
token = FMT_RPAREN;
|
token = FMT_RPAREN;
|
break;
|
break;
|
|
|
case 'X':
|
case 'X':
|
token = FMT_X;
|
token = FMT_X;
|
break;
|
break;
|
|
|
case 'S':
|
case 'S':
|
c = next_char_not_space (&error);
|
c = next_char_not_space (&error);
|
if (c != 'P' && c != 'S')
|
if (c != 'P' && c != 'S')
|
unget_char ();
|
unget_char ();
|
|
|
token = FMT_SIGN;
|
token = FMT_SIGN;
|
break;
|
break;
|
|
|
case 'B':
|
case 'B':
|
c = next_char_not_space (&error);
|
c = next_char_not_space (&error);
|
if (c == 'N' || c == 'Z')
|
if (c == 'N' || c == 'Z')
|
token = FMT_BLANK;
|
token = FMT_BLANK;
|
else
|
else
|
{
|
{
|
unget_char ();
|
unget_char ();
|
token = FMT_IBOZ;
|
token = FMT_IBOZ;
|
}
|
}
|
|
|
break;
|
break;
|
|
|
case '\'':
|
case '\'':
|
case '"':
|
case '"':
|
delim = c;
|
delim = c;
|
|
|
value = 0;
|
value = 0;
|
|
|
for (;;)
|
for (;;)
|
{
|
{
|
c = next_char (1);
|
c = next_char (1);
|
if (c == '\0')
|
if (c == '\0')
|
{
|
{
|
token = FMT_END;
|
token = FMT_END;
|
break;
|
break;
|
}
|
}
|
|
|
if (c == delim)
|
if (c == delim)
|
{
|
{
|
c = next_char (1);
|
c = next_char (1);
|
|
|
if (c == '\0')
|
if (c == '\0')
|
{
|
{
|
token = FMT_END;
|
token = FMT_END;
|
break;
|
break;
|
}
|
}
|
|
|
if (c != delim)
|
if (c != delim)
|
{
|
{
|
unget_char ();
|
unget_char ();
|
token = FMT_CHAR;
|
token = FMT_CHAR;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
value++;
|
value++;
|
}
|
}
|
break;
|
break;
|
|
|
case 'P':
|
case 'P':
|
token = FMT_P;
|
token = FMT_P;
|
break;
|
break;
|
|
|
case 'I':
|
case 'I':
|
case 'O':
|
case 'O':
|
case 'Z':
|
case 'Z':
|
token = FMT_IBOZ;
|
token = FMT_IBOZ;
|
break;
|
break;
|
|
|
case 'F':
|
case 'F':
|
token = FMT_F;
|
token = FMT_F;
|
break;
|
break;
|
|
|
case 'E':
|
case 'E':
|
c = next_char_not_space (&error);
|
c = next_char_not_space (&error);
|
if (c == 'N' )
|
if (c == 'N' )
|
token = FMT_EN;
|
token = FMT_EN;
|
else if (c == 'S')
|
else if (c == 'S')
|
token = FMT_ES;
|
token = FMT_ES;
|
else
|
else
|
{
|
{
|
token = FMT_E;
|
token = FMT_E;
|
unget_char ();
|
unget_char ();
|
}
|
}
|
|
|
break;
|
break;
|
|
|
case 'G':
|
case 'G':
|
token = FMT_G;
|
token = FMT_G;
|
break;
|
break;
|
|
|
case 'H':
|
case 'H':
|
token = FMT_H;
|
token = FMT_H;
|
break;
|
break;
|
|
|
case 'L':
|
case 'L':
|
token = FMT_L;
|
token = FMT_L;
|
break;
|
break;
|
|
|
case 'A':
|
case 'A':
|
token = FMT_A;
|
token = FMT_A;
|
break;
|
break;
|
|
|
case 'D':
|
case 'D':
|
c = next_char_not_space (&error);
|
c = next_char_not_space (&error);
|
if (c == 'P')
|
if (c == 'P')
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DP format "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DP format "
|
"specifier not allowed at %C") == FAILURE)
|
"specifier not allowed at %C") == FAILURE)
|
return FMT_ERROR;
|
return FMT_ERROR;
|
token = FMT_DP;
|
token = FMT_DP;
|
}
|
}
|
else if (c == 'C')
|
else if (c == 'C')
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DC format "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DC format "
|
"specifier not allowed at %C") == FAILURE)
|
"specifier not allowed at %C") == FAILURE)
|
return FMT_ERROR;
|
return FMT_ERROR;
|
token = FMT_DC;
|
token = FMT_DC;
|
}
|
}
|
else
|
else
|
{
|
{
|
token = FMT_D;
|
token = FMT_D;
|
unget_char ();
|
unget_char ();
|
}
|
}
|
break;
|
break;
|
|
|
case 'R':
|
case 'R':
|
c = next_char_not_space (&error);
|
c = next_char_not_space (&error);
|
switch (c)
|
switch (c)
|
{
|
{
|
case 'C':
|
case 'C':
|
token = FMT_RC;
|
token = FMT_RC;
|
break;
|
break;
|
case 'D':
|
case 'D':
|
token = FMT_RD;
|
token = FMT_RD;
|
break;
|
break;
|
case 'N':
|
case 'N':
|
token = FMT_RN;
|
token = FMT_RN;
|
break;
|
break;
|
case 'P':
|
case 'P':
|
token = FMT_RP;
|
token = FMT_RP;
|
break;
|
break;
|
case 'U':
|
case 'U':
|
token = FMT_RU;
|
token = FMT_RU;
|
break;
|
break;
|
case 'Z':
|
case 'Z':
|
token = FMT_RZ;
|
token = FMT_RZ;
|
break;
|
break;
|
default:
|
default:
|
token = FMT_UNKNOWN;
|
token = FMT_UNKNOWN;
|
unget_char ();
|
unget_char ();
|
break;
|
break;
|
}
|
}
|
break;
|
break;
|
|
|
case '\0':
|
case '\0':
|
token = FMT_END;
|
token = FMT_END;
|
break;
|
break;
|
|
|
case '*':
|
case '*':
|
token = FMT_STAR;
|
token = FMT_STAR;
|
break;
|
break;
|
|
|
default:
|
default:
|
token = FMT_UNKNOWN;
|
token = FMT_UNKNOWN;
|
break;
|
break;
|
}
|
}
|
|
|
if (error)
|
if (error)
|
return FMT_ERROR;
|
return FMT_ERROR;
|
|
|
return token;
|
return token;
|
}
|
}
|
|
|
|
|
static const char *
|
static const char *
|
token_to_string (format_token t)
|
token_to_string (format_token t)
|
{
|
{
|
switch (t)
|
switch (t)
|
{
|
{
|
case FMT_D:
|
case FMT_D:
|
return "D";
|
return "D";
|
case FMT_G:
|
case FMT_G:
|
return "G";
|
return "G";
|
case FMT_E:
|
case FMT_E:
|
return "E";
|
return "E";
|
case FMT_EN:
|
case FMT_EN:
|
return "EN";
|
return "EN";
|
case FMT_ES:
|
case FMT_ES:
|
return "ES";
|
return "ES";
|
default:
|
default:
|
return "";
|
return "";
|
}
|
}
|
}
|
}
|
|
|
/* Check a format statement. The format string, either from a FORMAT
|
/* Check a format statement. The format string, either from a FORMAT
|
statement or a constant in an I/O statement has already been parsed
|
statement or a constant in an I/O statement has already been parsed
|
by itself, and we are checking it for validity. The dual origin
|
by itself, and we are checking it for validity. The dual origin
|
means that the warning message is a little less than great. */
|
means that the warning message is a little less than great. */
|
|
|
static gfc_try
|
static gfc_try
|
check_format (bool is_input)
|
check_format (bool is_input)
|
{
|
{
|
const char *posint_required = _("Positive width required");
|
const char *posint_required = _("Positive width required");
|
const char *nonneg_required = _("Nonnegative width required");
|
const char *nonneg_required = _("Nonnegative width required");
|
const char *unexpected_element = _("Unexpected element '%c' in format string"
|
const char *unexpected_element = _("Unexpected element '%c' in format string"
|
" at %L");
|
" at %L");
|
const char *unexpected_end = _("Unexpected end of format string");
|
const char *unexpected_end = _("Unexpected end of format string");
|
const char *zero_width = _("Zero width in format descriptor");
|
const char *zero_width = _("Zero width in format descriptor");
|
|
|
const char *error;
|
const char *error;
|
format_token t, u;
|
format_token t, u;
|
int level;
|
int level;
|
int repeat;
|
int repeat;
|
gfc_try rv;
|
gfc_try rv;
|
|
|
use_last_char = 0;
|
use_last_char = 0;
|
saved_token = FMT_NONE;
|
saved_token = FMT_NONE;
|
level = 0;
|
level = 0;
|
repeat = 0;
|
repeat = 0;
|
rv = SUCCESS;
|
rv = SUCCESS;
|
format_string_pos = 0;
|
format_string_pos = 0;
|
|
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t != FMT_LPAREN)
|
if (t != FMT_LPAREN)
|
{
|
{
|
error = _("Missing leading left parenthesis");
|
error = _("Missing leading left parenthesis");
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t == FMT_RPAREN)
|
if (t == FMT_RPAREN)
|
goto finished; /* Empty format is legal */
|
goto finished; /* Empty format is legal */
|
saved_token = t;
|
saved_token = t;
|
|
|
format_item:
|
format_item:
|
/* In this state, the next thing has to be a format item. */
|
/* In this state, the next thing has to be a format item. */
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
format_item_1:
|
format_item_1:
|
switch (t)
|
switch (t)
|
{
|
{
|
case FMT_STAR:
|
case FMT_STAR:
|
repeat = -1;
|
repeat = -1;
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t == FMT_LPAREN)
|
if (t == FMT_LPAREN)
|
{
|
{
|
level++;
|
level++;
|
goto format_item;
|
goto format_item;
|
}
|
}
|
error = _("Left parenthesis required after '*'");
|
error = _("Left parenthesis required after '*'");
|
goto syntax;
|
goto syntax;
|
|
|
case FMT_POSINT:
|
case FMT_POSINT:
|
repeat = value;
|
repeat = value;
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t == FMT_LPAREN)
|
if (t == FMT_LPAREN)
|
{
|
{
|
level++;
|
level++;
|
goto format_item;
|
goto format_item;
|
}
|
}
|
|
|
if (t == FMT_SLASH)
|
if (t == FMT_SLASH)
|
goto optional_comma;
|
goto optional_comma;
|
|
|
goto data_desc;
|
goto data_desc;
|
|
|
case FMT_LPAREN:
|
case FMT_LPAREN:
|
level++;
|
level++;
|
goto format_item;
|
goto format_item;
|
|
|
case FMT_SIGNED_INT:
|
case FMT_SIGNED_INT:
|
case FMT_ZERO:
|
case FMT_ZERO:
|
/* Signed integer can only precede a P format. */
|
/* Signed integer can only precede a P format. */
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t != FMT_P)
|
if (t != FMT_P)
|
{
|
{
|
error = _("Expected P edit descriptor");
|
error = _("Expected P edit descriptor");
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
goto data_desc;
|
goto data_desc;
|
|
|
case FMT_P:
|
case FMT_P:
|
/* P requires a prior number. */
|
/* P requires a prior number. */
|
error = _("P descriptor requires leading scale factor");
|
error = _("P descriptor requires leading scale factor");
|
goto syntax;
|
goto syntax;
|
|
|
case FMT_X:
|
case FMT_X:
|
/* X requires a prior number if we're being pedantic. */
|
/* X requires a prior number if we're being pedantic. */
|
if (mode != MODE_FORMAT)
|
if (mode != MODE_FORMAT)
|
format_locus.nextc += format_string_pos;
|
format_locus.nextc += format_string_pos;
|
if (gfc_notify_std (GFC_STD_GNU, "Extension: X descriptor "
|
if (gfc_notify_std (GFC_STD_GNU, "Extension: X descriptor "
|
"requires leading space count at %L", &format_locus)
|
"requires leading space count at %L", &format_locus)
|
== FAILURE)
|
== FAILURE)
|
return FAILURE;
|
return FAILURE;
|
goto between_desc;
|
goto between_desc;
|
|
|
case FMT_SIGN:
|
case FMT_SIGN:
|
case FMT_BLANK:
|
case FMT_BLANK:
|
case FMT_DP:
|
case FMT_DP:
|
case FMT_DC:
|
case FMT_DC:
|
case FMT_RC:
|
case FMT_RC:
|
case FMT_RD:
|
case FMT_RD:
|
case FMT_RN:
|
case FMT_RN:
|
case FMT_RP:
|
case FMT_RP:
|
case FMT_RU:
|
case FMT_RU:
|
case FMT_RZ:
|
case FMT_RZ:
|
goto between_desc;
|
goto between_desc;
|
|
|
case FMT_CHAR:
|
case FMT_CHAR:
|
goto extension_optional_comma;
|
goto extension_optional_comma;
|
|
|
case FMT_COLON:
|
case FMT_COLON:
|
case FMT_SLASH:
|
case FMT_SLASH:
|
goto optional_comma;
|
goto optional_comma;
|
|
|
case FMT_DOLLAR:
|
case FMT_DOLLAR:
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
|
|
if (gfc_notify_std (GFC_STD_GNU, "Extension: $ descriptor at %L",
|
if (gfc_notify_std (GFC_STD_GNU, "Extension: $ descriptor at %L",
|
&format_locus) == FAILURE)
|
&format_locus) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
if (t != FMT_RPAREN || level > 0)
|
if (t != FMT_RPAREN || level > 0)
|
{
|
{
|
gfc_warning ("$ should be the last specifier in format at %L",
|
gfc_warning ("$ should be the last specifier in format at %L",
|
&format_locus);
|
&format_locus);
|
goto optional_comma_1;
|
goto optional_comma_1;
|
}
|
}
|
|
|
goto finished;
|
goto finished;
|
|
|
case FMT_T:
|
case FMT_T:
|
case FMT_TL:
|
case FMT_TL:
|
case FMT_TR:
|
case FMT_TR:
|
case FMT_IBOZ:
|
case FMT_IBOZ:
|
case FMT_F:
|
case FMT_F:
|
case FMT_E:
|
case FMT_E:
|
case FMT_EN:
|
case FMT_EN:
|
case FMT_ES:
|
case FMT_ES:
|
case FMT_G:
|
case FMT_G:
|
case FMT_L:
|
case FMT_L:
|
case FMT_A:
|
case FMT_A:
|
case FMT_D:
|
case FMT_D:
|
case FMT_H:
|
case FMT_H:
|
goto data_desc;
|
goto data_desc;
|
|
|
case FMT_END:
|
case FMT_END:
|
error = unexpected_end;
|
error = unexpected_end;
|
goto syntax;
|
goto syntax;
|
|
|
default:
|
default:
|
error = unexpected_element;
|
error = unexpected_element;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
data_desc:
|
data_desc:
|
/* In this state, t must currently be a data descriptor.
|
/* In this state, t must currently be a data descriptor.
|
Deal with things that can/must follow the descriptor. */
|
Deal with things that can/must follow the descriptor. */
|
switch (t)
|
switch (t)
|
{
|
{
|
case FMT_SIGN:
|
case FMT_SIGN:
|
case FMT_BLANK:
|
case FMT_BLANK:
|
case FMT_DP:
|
case FMT_DP:
|
case FMT_DC:
|
case FMT_DC:
|
case FMT_X:
|
case FMT_X:
|
break;
|
break;
|
|
|
case FMT_P:
|
case FMT_P:
|
/* No comma after P allowed only for F, E, EN, ES, D, or G.
|
/* No comma after P allowed only for F, E, EN, ES, D, or G.
|
10.1.1 (1). */
|
10.1.1 (1). */
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (gfc_option.allow_std < GFC_STD_F2003 && t != FMT_COMMA
|
if (gfc_option.allow_std < GFC_STD_F2003 && t != FMT_COMMA
|
&& t != FMT_F && t != FMT_E && t != FMT_EN && t != FMT_ES
|
&& t != FMT_F && t != FMT_E && t != FMT_EN && t != FMT_ES
|
&& t != FMT_D && t != FMT_G && t != FMT_RPAREN && t != FMT_SLASH)
|
&& t != FMT_D && t != FMT_G && t != FMT_RPAREN && t != FMT_SLASH)
|
{
|
{
|
error = _("Comma required after P descriptor");
|
error = _("Comma required after P descriptor");
|
goto syntax;
|
goto syntax;
|
}
|
}
|
if (t != FMT_COMMA)
|
if (t != FMT_COMMA)
|
{
|
{
|
if (t == FMT_POSINT)
|
if (t == FMT_POSINT)
|
{
|
{
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
}
|
}
|
if (t != FMT_F && t != FMT_E && t != FMT_EN && t != FMT_ES && t != FMT_D
|
if (t != FMT_F && t != FMT_E && t != FMT_EN && t != FMT_ES && t != FMT_D
|
&& t != FMT_G && t != FMT_RPAREN && t != FMT_SLASH)
|
&& t != FMT_G && t != FMT_RPAREN && t != FMT_SLASH)
|
{
|
{
|
error = _("Comma required after P descriptor");
|
error = _("Comma required after P descriptor");
|
goto syntax;
|
goto syntax;
|
}
|
}
|
}
|
}
|
|
|
saved_token = t;
|
saved_token = t;
|
goto optional_comma;
|
goto optional_comma;
|
|
|
case FMT_T:
|
case FMT_T:
|
case FMT_TL:
|
case FMT_TL:
|
case FMT_TR:
|
case FMT_TR:
|
t = format_lex ();
|
t = format_lex ();
|
if (t != FMT_POSINT)
|
if (t != FMT_POSINT)
|
{
|
{
|
error = _("Positive width required with T descriptor");
|
error = _("Positive width required with T descriptor");
|
goto syntax;
|
goto syntax;
|
}
|
}
|
break;
|
break;
|
|
|
case FMT_L:
|
case FMT_L:
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t == FMT_POSINT)
|
if (t == FMT_POSINT)
|
break;
|
break;
|
|
|
switch (gfc_notification_std (GFC_STD_GNU))
|
switch (gfc_notification_std (GFC_STD_GNU))
|
{
|
{
|
case WARNING:
|
case WARNING:
|
if (mode != MODE_FORMAT)
|
if (mode != MODE_FORMAT)
|
format_locus.nextc += format_string_pos;
|
format_locus.nextc += format_string_pos;
|
gfc_warning ("Extension: Missing positive width after L "
|
gfc_warning ("Extension: Missing positive width after L "
|
"descriptor at %L", &format_locus);
|
"descriptor at %L", &format_locus);
|
saved_token = t;
|
saved_token = t;
|
break;
|
break;
|
|
|
case ERROR:
|
case ERROR:
|
error = posint_required;
|
error = posint_required;
|
goto syntax;
|
goto syntax;
|
|
|
case SILENT:
|
case SILENT:
|
saved_token = t;
|
saved_token = t;
|
break;
|
break;
|
|
|
default:
|
default:
|
gcc_unreachable ();
|
gcc_unreachable ();
|
}
|
}
|
break;
|
break;
|
|
|
case FMT_A:
|
case FMT_A:
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t == FMT_ZERO)
|
if (t == FMT_ZERO)
|
{
|
{
|
error = zero_width;
|
error = zero_width;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
if (t != FMT_POSINT)
|
if (t != FMT_POSINT)
|
saved_token = t;
|
saved_token = t;
|
break;
|
break;
|
|
|
case FMT_D:
|
case FMT_D:
|
case FMT_E:
|
case FMT_E:
|
case FMT_G:
|
case FMT_G:
|
case FMT_EN:
|
case FMT_EN:
|
case FMT_ES:
|
case FMT_ES:
|
u = format_lex ();
|
u = format_lex ();
|
if (t == FMT_G && u == FMT_ZERO)
|
if (t == FMT_G && u == FMT_ZERO)
|
{
|
{
|
if (is_input)
|
if (is_input)
|
{
|
{
|
error = zero_width;
|
error = zero_width;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
if (gfc_notify_std (GFC_STD_F2008, "Fortran 2008: 'G0' in "
|
if (gfc_notify_std (GFC_STD_F2008, "Fortran 2008: 'G0' in "
|
"format at %L", &format_locus) == FAILURE)
|
"format at %L", &format_locus) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
u = format_lex ();
|
u = format_lex ();
|
if (u != FMT_PERIOD)
|
if (u != FMT_PERIOD)
|
{
|
{
|
saved_token = u;
|
saved_token = u;
|
break;
|
break;
|
}
|
}
|
u = format_lex ();
|
u = format_lex ();
|
if (u != FMT_POSINT)
|
if (u != FMT_POSINT)
|
{
|
{
|
error = posint_required;
|
error = posint_required;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
u = format_lex ();
|
u = format_lex ();
|
if (u == FMT_E)
|
if (u == FMT_E)
|
{
|
{
|
error = _("E specifier not allowed with g0 descriptor");
|
error = _("E specifier not allowed with g0 descriptor");
|
goto syntax;
|
goto syntax;
|
}
|
}
|
saved_token = u;
|
saved_token = u;
|
break;
|
break;
|
}
|
}
|
|
|
if (u != FMT_POSINT)
|
if (u != FMT_POSINT)
|
{
|
{
|
format_locus.nextc += format_string_pos;
|
format_locus.nextc += format_string_pos;
|
gfc_error_now ("Positive width required in format "
|
gfc_error_now ("Positive width required in format "
|
"specifier %s at %L", token_to_string (t),
|
"specifier %s at %L", token_to_string (t),
|
&format_locus);
|
&format_locus);
|
saved_token = u;
|
saved_token = u;
|
goto finished;
|
goto finished;
|
}
|
}
|
|
|
u = format_lex ();
|
u = format_lex ();
|
if (u == FMT_ERROR)
|
if (u == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (u != FMT_PERIOD)
|
if (u != FMT_PERIOD)
|
{
|
{
|
/* Warn if -std=legacy, otherwise error. */
|
/* Warn if -std=legacy, otherwise error. */
|
format_locus.nextc += format_string_pos;
|
format_locus.nextc += format_string_pos;
|
if (gfc_option.warn_std != 0)
|
if (gfc_option.warn_std != 0)
|
{
|
{
|
gfc_error_now ("Period required in format "
|
gfc_error_now ("Period required in format "
|
"specifier %s at %L", token_to_string (t),
|
"specifier %s at %L", token_to_string (t),
|
&format_locus);
|
&format_locus);
|
saved_token = u;
|
saved_token = u;
|
goto finished;
|
goto finished;
|
}
|
}
|
else
|
else
|
gfc_warning ("Period required in format "
|
gfc_warning ("Period required in format "
|
"specifier %s at %L", token_to_string (t),
|
"specifier %s at %L", token_to_string (t),
|
&format_locus);
|
&format_locus);
|
/* If we go to finished, we need to unwind this
|
/* If we go to finished, we need to unwind this
|
before the next round. */
|
before the next round. */
|
format_locus.nextc -= format_string_pos;
|
format_locus.nextc -= format_string_pos;
|
saved_token = u;
|
saved_token = u;
|
break;
|
break;
|
}
|
}
|
|
|
u = format_lex ();
|
u = format_lex ();
|
if (u == FMT_ERROR)
|
if (u == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (u != FMT_ZERO && u != FMT_POSINT)
|
if (u != FMT_ZERO && u != FMT_POSINT)
|
{
|
{
|
error = nonneg_required;
|
error = nonneg_required;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
if (t == FMT_D)
|
if (t == FMT_D)
|
break;
|
break;
|
|
|
/* Look for optional exponent. */
|
/* Look for optional exponent. */
|
u = format_lex ();
|
u = format_lex ();
|
if (u == FMT_ERROR)
|
if (u == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (u != FMT_E)
|
if (u != FMT_E)
|
{
|
{
|
saved_token = u;
|
saved_token = u;
|
}
|
}
|
else
|
else
|
{
|
{
|
u = format_lex ();
|
u = format_lex ();
|
if (u == FMT_ERROR)
|
if (u == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (u != FMT_POSINT)
|
if (u != FMT_POSINT)
|
{
|
{
|
error = _("Positive exponent width required");
|
error = _("Positive exponent width required");
|
goto syntax;
|
goto syntax;
|
}
|
}
|
}
|
}
|
|
|
break;
|
break;
|
|
|
case FMT_F:
|
case FMT_F:
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t != FMT_ZERO && t != FMT_POSINT)
|
if (t != FMT_ZERO && t != FMT_POSINT)
|
{
|
{
|
error = nonneg_required;
|
error = nonneg_required;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
else if (is_input && t == FMT_ZERO)
|
else if (is_input && t == FMT_ZERO)
|
{
|
{
|
error = posint_required;
|
error = posint_required;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t != FMT_PERIOD)
|
if (t != FMT_PERIOD)
|
{
|
{
|
/* Warn if -std=legacy, otherwise error. */
|
/* Warn if -std=legacy, otherwise error. */
|
if (gfc_option.warn_std != 0)
|
if (gfc_option.warn_std != 0)
|
{
|
{
|
error = _("Period required in format specifier");
|
error = _("Period required in format specifier");
|
goto syntax;
|
goto syntax;
|
}
|
}
|
if (mode != MODE_FORMAT)
|
if (mode != MODE_FORMAT)
|
format_locus.nextc += format_string_pos;
|
format_locus.nextc += format_string_pos;
|
gfc_warning ("Period required in format specifier at %L",
|
gfc_warning ("Period required in format specifier at %L",
|
&format_locus);
|
&format_locus);
|
saved_token = t;
|
saved_token = t;
|
break;
|
break;
|
}
|
}
|
|
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t != FMT_ZERO && t != FMT_POSINT)
|
if (t != FMT_ZERO && t != FMT_POSINT)
|
{
|
{
|
error = nonneg_required;
|
error = nonneg_required;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
break;
|
break;
|
|
|
case FMT_H:
|
case FMT_H:
|
if (!(gfc_option.allow_std & GFC_STD_GNU) && !inhibit_warnings)
|
if (!(gfc_option.allow_std & GFC_STD_GNU) && !inhibit_warnings)
|
{
|
{
|
if (mode != MODE_FORMAT)
|
if (mode != MODE_FORMAT)
|
format_locus.nextc += format_string_pos;
|
format_locus.nextc += format_string_pos;
|
gfc_warning ("The H format specifier at %L is"
|
gfc_warning ("The H format specifier at %L is"
|
" a Fortran 95 deleted feature", &format_locus);
|
" a Fortran 95 deleted feature", &format_locus);
|
}
|
}
|
|
|
if (mode == MODE_STRING)
|
if (mode == MODE_STRING)
|
{
|
{
|
format_string += value;
|
format_string += value;
|
format_length -= value;
|
format_length -= value;
|
}
|
}
|
else
|
else
|
{
|
{
|
while (repeat >0)
|
while (repeat >0)
|
{
|
{
|
next_char (1);
|
next_char (1);
|
repeat -- ;
|
repeat -- ;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
|
|
case FMT_IBOZ:
|
case FMT_IBOZ:
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t != FMT_ZERO && t != FMT_POSINT)
|
if (t != FMT_ZERO && t != FMT_POSINT)
|
{
|
{
|
error = nonneg_required;
|
error = nonneg_required;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
else if (is_input && t == FMT_ZERO)
|
else if (is_input && t == FMT_ZERO)
|
{
|
{
|
error = posint_required;
|
error = posint_required;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t != FMT_PERIOD)
|
if (t != FMT_PERIOD)
|
{
|
{
|
saved_token = t;
|
saved_token = t;
|
}
|
}
|
else
|
else
|
{
|
{
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
if (t != FMT_ZERO && t != FMT_POSINT)
|
if (t != FMT_ZERO && t != FMT_POSINT)
|
{
|
{
|
error = nonneg_required;
|
error = nonneg_required;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
}
|
}
|
|
|
break;
|
break;
|
|
|
default:
|
default:
|
error = unexpected_element;
|
error = unexpected_element;
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
between_desc:
|
between_desc:
|
/* Between a descriptor and what comes next. */
|
/* Between a descriptor and what comes next. */
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
switch (t)
|
switch (t)
|
{
|
{
|
|
|
case FMT_COMMA:
|
case FMT_COMMA:
|
goto format_item;
|
goto format_item;
|
|
|
case FMT_RPAREN:
|
case FMT_RPAREN:
|
level--;
|
level--;
|
if (level < 0)
|
if (level < 0)
|
goto finished;
|
goto finished;
|
goto between_desc;
|
goto between_desc;
|
|
|
case FMT_COLON:
|
case FMT_COLON:
|
case FMT_SLASH:
|
case FMT_SLASH:
|
goto optional_comma;
|
goto optional_comma;
|
|
|
case FMT_END:
|
case FMT_END:
|
error = unexpected_end;
|
error = unexpected_end;
|
goto syntax;
|
goto syntax;
|
|
|
default:
|
default:
|
if (mode != MODE_FORMAT)
|
if (mode != MODE_FORMAT)
|
format_locus.nextc += format_string_pos - 1;
|
format_locus.nextc += format_string_pos - 1;
|
if (gfc_notify_std (GFC_STD_GNU, "Extension: Missing comma at %L",
|
if (gfc_notify_std (GFC_STD_GNU, "Extension: Missing comma at %L",
|
&format_locus) == FAILURE)
|
&format_locus) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
/* If we do not actually return a failure, we need to unwind this
|
/* If we do not actually return a failure, we need to unwind this
|
before the next round. */
|
before the next round. */
|
if (mode != MODE_FORMAT)
|
if (mode != MODE_FORMAT)
|
format_locus.nextc -= format_string_pos;
|
format_locus.nextc -= format_string_pos;
|
goto format_item_1;
|
goto format_item_1;
|
}
|
}
|
|
|
optional_comma:
|
optional_comma:
|
/* Optional comma is a weird between state where we've just finished
|
/* Optional comma is a weird between state where we've just finished
|
reading a colon, slash, dollar or P descriptor. */
|
reading a colon, slash, dollar or P descriptor. */
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
optional_comma_1:
|
optional_comma_1:
|
switch (t)
|
switch (t)
|
{
|
{
|
case FMT_COMMA:
|
case FMT_COMMA:
|
break;
|
break;
|
|
|
case FMT_RPAREN:
|
case FMT_RPAREN:
|
level--;
|
level--;
|
if (level < 0)
|
if (level < 0)
|
goto finished;
|
goto finished;
|
goto between_desc;
|
goto between_desc;
|
|
|
default:
|
default:
|
/* Assume that we have another format item. */
|
/* Assume that we have another format item. */
|
saved_token = t;
|
saved_token = t;
|
break;
|
break;
|
}
|
}
|
|
|
goto format_item;
|
goto format_item;
|
|
|
extension_optional_comma:
|
extension_optional_comma:
|
/* As a GNU extension, permit a missing comma after a string literal. */
|
/* As a GNU extension, permit a missing comma after a string literal. */
|
t = format_lex ();
|
t = format_lex ();
|
if (t == FMT_ERROR)
|
if (t == FMT_ERROR)
|
goto fail;
|
goto fail;
|
switch (t)
|
switch (t)
|
{
|
{
|
case FMT_COMMA:
|
case FMT_COMMA:
|
break;
|
break;
|
|
|
case FMT_RPAREN:
|
case FMT_RPAREN:
|
level--;
|
level--;
|
if (level < 0)
|
if (level < 0)
|
goto finished;
|
goto finished;
|
goto between_desc;
|
goto between_desc;
|
|
|
case FMT_COLON:
|
case FMT_COLON:
|
case FMT_SLASH:
|
case FMT_SLASH:
|
goto optional_comma;
|
goto optional_comma;
|
|
|
case FMT_END:
|
case FMT_END:
|
error = unexpected_end;
|
error = unexpected_end;
|
goto syntax;
|
goto syntax;
|
|
|
default:
|
default:
|
if (mode != MODE_FORMAT)
|
if (mode != MODE_FORMAT)
|
format_locus.nextc += format_string_pos;
|
format_locus.nextc += format_string_pos;
|
if (gfc_notify_std (GFC_STD_GNU, "Extension: Missing comma at %L",
|
if (gfc_notify_std (GFC_STD_GNU, "Extension: Missing comma at %L",
|
&format_locus) == FAILURE)
|
&format_locus) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
/* If we do not actually return a failure, we need to unwind this
|
/* If we do not actually return a failure, we need to unwind this
|
before the next round. */
|
before the next round. */
|
if (mode != MODE_FORMAT)
|
if (mode != MODE_FORMAT)
|
format_locus.nextc -= format_string_pos;
|
format_locus.nextc -= format_string_pos;
|
saved_token = t;
|
saved_token = t;
|
break;
|
break;
|
}
|
}
|
|
|
goto format_item;
|
goto format_item;
|
|
|
syntax:
|
syntax:
|
if (mode != MODE_FORMAT)
|
if (mode != MODE_FORMAT)
|
format_locus.nextc += format_string_pos;
|
format_locus.nextc += format_string_pos;
|
if (error == unexpected_element)
|
if (error == unexpected_element)
|
gfc_error (error, error_element, &format_locus);
|
gfc_error (error, error_element, &format_locus);
|
else
|
else
|
gfc_error ("%s in format string at %L", error, &format_locus);
|
gfc_error ("%s in format string at %L", error, &format_locus);
|
fail:
|
fail:
|
rv = FAILURE;
|
rv = FAILURE;
|
|
|
finished:
|
finished:
|
return rv;
|
return rv;
|
}
|
}
|
|
|
|
|
/* Given an expression node that is a constant string, see if it looks
|
/* Given an expression node that is a constant string, see if it looks
|
like a format string. */
|
like a format string. */
|
|
|
static gfc_try
|
static gfc_try
|
check_format_string (gfc_expr *e, bool is_input)
|
check_format_string (gfc_expr *e, bool is_input)
|
{
|
{
|
if (!e || e->ts.type != BT_CHARACTER || e->expr_type != EXPR_CONSTANT)
|
if (!e || e->ts.type != BT_CHARACTER || e->expr_type != EXPR_CONSTANT)
|
return SUCCESS;
|
return SUCCESS;
|
|
|
mode = MODE_STRING;
|
mode = MODE_STRING;
|
format_string = e->value.character.string;
|
format_string = e->value.character.string;
|
|
|
/* More elaborate measures are needed to show where a problem is within a
|
/* More elaborate measures are needed to show where a problem is within a
|
format string that has been calculated, but that's probably not worth the
|
format string that has been calculated, but that's probably not worth the
|
effort. */
|
effort. */
|
format_locus = e->where;
|
format_locus = e->where;
|
|
|
return check_format (is_input);
|
return check_format (is_input);
|
}
|
}
|
|
|
|
|
/************ Fortran 95 I/O statement matchers *************/
|
/************ Fortran 95 I/O statement matchers *************/
|
|
|
/* Match a FORMAT statement. This amounts to actually parsing the
|
/* Match a FORMAT statement. This amounts to actually parsing the
|
format descriptors in order to correctly locate the end of the
|
format descriptors in order to correctly locate the end of the
|
format string. */
|
format string. */
|
|
|
match
|
match
|
gfc_match_format (void)
|
gfc_match_format (void)
|
{
|
{
|
gfc_expr *e;
|
gfc_expr *e;
|
locus start;
|
locus start;
|
|
|
if (gfc_current_ns->proc_name
|
if (gfc_current_ns->proc_name
|
&& gfc_current_ns->proc_name->attr.flavor == FL_MODULE)
|
&& gfc_current_ns->proc_name->attr.flavor == FL_MODULE)
|
{
|
{
|
gfc_error ("Format statement in module main block at %C");
|
gfc_error ("Format statement in module main block at %C");
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
if (gfc_statement_label == NULL)
|
if (gfc_statement_label == NULL)
|
{
|
{
|
gfc_error ("Missing format label at %C");
|
gfc_error ("Missing format label at %C");
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
gfc_gobble_whitespace ();
|
gfc_gobble_whitespace ();
|
|
|
mode = MODE_FORMAT;
|
mode = MODE_FORMAT;
|
format_length = 0;
|
format_length = 0;
|
|
|
start = gfc_current_locus;
|
start = gfc_current_locus;
|
|
|
if (check_format (false) == FAILURE)
|
if (check_format (false) == FAILURE)
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
if (gfc_match_eos () != MATCH_YES)
|
if (gfc_match_eos () != MATCH_YES)
|
{
|
{
|
gfc_syntax_error (ST_FORMAT);
|
gfc_syntax_error (ST_FORMAT);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
/* The label doesn't get created until after the statement is done
|
/* The label doesn't get created until after the statement is done
|
being matched, so we have to leave the string for later. */
|
being matched, so we have to leave the string for later. */
|
|
|
gfc_current_locus = start; /* Back to the beginning */
|
gfc_current_locus = start; /* Back to the beginning */
|
|
|
new_st.loc = start;
|
new_st.loc = start;
|
new_st.op = EXEC_NOP;
|
new_st.op = EXEC_NOP;
|
|
|
e = gfc_get_expr();
|
e = gfc_get_expr();
|
e->expr_type = EXPR_CONSTANT;
|
e->expr_type = EXPR_CONSTANT;
|
e->ts.type = BT_CHARACTER;
|
e->ts.type = BT_CHARACTER;
|
e->ts.kind = gfc_default_character_kind;
|
e->ts.kind = gfc_default_character_kind;
|
e->where = start;
|
e->where = start;
|
e->value.character.string = format_string
|
e->value.character.string = format_string
|
= gfc_get_wide_string (format_length + 1);
|
= gfc_get_wide_string (format_length + 1);
|
e->value.character.length = format_length;
|
e->value.character.length = format_length;
|
gfc_statement_label->format = e;
|
gfc_statement_label->format = e;
|
|
|
mode = MODE_COPY;
|
mode = MODE_COPY;
|
check_format (false); /* Guaranteed to succeed */
|
check_format (false); /* Guaranteed to succeed */
|
gfc_match_eos (); /* Guaranteed to succeed */
|
gfc_match_eos (); /* Guaranteed to succeed */
|
|
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
|
|
|
|
/* Match an expression I/O tag of some sort. */
|
/* Match an expression I/O tag of some sort. */
|
|
|
static match
|
static match
|
match_etag (const io_tag *tag, gfc_expr **v)
|
match_etag (const io_tag *tag, gfc_expr **v)
|
{
|
{
|
gfc_expr *result;
|
gfc_expr *result;
|
match m;
|
match m;
|
|
|
m = gfc_match (tag->spec);
|
m = gfc_match (tag->spec);
|
if (m != MATCH_YES)
|
if (m != MATCH_YES)
|
return m;
|
return m;
|
|
|
m = gfc_match (tag->value, &result);
|
m = gfc_match (tag->value, &result);
|
if (m != MATCH_YES)
|
if (m != MATCH_YES)
|
{
|
{
|
gfc_error ("Invalid value for %s specification at %C", tag->name);
|
gfc_error ("Invalid value for %s specification at %C", tag->name);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
if (*v != NULL)
|
if (*v != NULL)
|
{
|
{
|
gfc_error ("Duplicate %s specification at %C", tag->name);
|
gfc_error ("Duplicate %s specification at %C", tag->name);
|
gfc_free_expr (result);
|
gfc_free_expr (result);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
*v = result;
|
*v = result;
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
|
|
|
|
/* Match a variable I/O tag of some sort. */
|
/* Match a variable I/O tag of some sort. */
|
|
|
static match
|
static match
|
match_vtag (const io_tag *tag, gfc_expr **v)
|
match_vtag (const io_tag *tag, gfc_expr **v)
|
{
|
{
|
gfc_expr *result;
|
gfc_expr *result;
|
match m;
|
match m;
|
|
|
m = gfc_match (tag->spec);
|
m = gfc_match (tag->spec);
|
if (m != MATCH_YES)
|
if (m != MATCH_YES)
|
return m;
|
return m;
|
|
|
m = gfc_match (tag->value, &result);
|
m = gfc_match (tag->value, &result);
|
if (m != MATCH_YES)
|
if (m != MATCH_YES)
|
{
|
{
|
gfc_error ("Invalid value for %s specification at %C", tag->name);
|
gfc_error ("Invalid value for %s specification at %C", tag->name);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
if (*v != NULL)
|
if (*v != NULL)
|
{
|
{
|
gfc_error ("Duplicate %s specification at %C", tag->name);
|
gfc_error ("Duplicate %s specification at %C", tag->name);
|
gfc_free_expr (result);
|
gfc_free_expr (result);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
if (result->symtree->n.sym->attr.intent == INTENT_IN)
|
if (result->symtree->n.sym->attr.intent == INTENT_IN)
|
{
|
{
|
gfc_error ("Variable %s cannot be INTENT(IN) at %C", tag->name);
|
gfc_error ("Variable %s cannot be INTENT(IN) at %C", tag->name);
|
gfc_free_expr (result);
|
gfc_free_expr (result);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
if (gfc_pure (NULL) && gfc_impure_variable (result->symtree->n.sym))
|
if (gfc_pure (NULL) && gfc_impure_variable (result->symtree->n.sym))
|
{
|
{
|
gfc_error ("Variable %s cannot be assigned in PURE procedure at %C",
|
gfc_error ("Variable %s cannot be assigned in PURE procedure at %C",
|
tag->name);
|
tag->name);
|
gfc_free_expr (result);
|
gfc_free_expr (result);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
*v = result;
|
*v = result;
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
|
|
|
|
/* Match I/O tags that cause variables to become redefined. */
|
/* Match I/O tags that cause variables to become redefined. */
|
|
|
static match
|
static match
|
match_out_tag (const io_tag *tag, gfc_expr **result)
|
match_out_tag (const io_tag *tag, gfc_expr **result)
|
{
|
{
|
match m;
|
match m;
|
|
|
m = match_vtag (tag, result);
|
m = match_vtag (tag, result);
|
if (m == MATCH_YES)
|
if (m == MATCH_YES)
|
gfc_check_do_variable ((*result)->symtree);
|
gfc_check_do_variable ((*result)->symtree);
|
|
|
return m;
|
return m;
|
}
|
}
|
|
|
|
|
/* Match a label I/O tag. */
|
/* Match a label I/O tag. */
|
|
|
static match
|
static match
|
match_ltag (const io_tag *tag, gfc_st_label ** label)
|
match_ltag (const io_tag *tag, gfc_st_label ** label)
|
{
|
{
|
match m;
|
match m;
|
gfc_st_label *old;
|
gfc_st_label *old;
|
|
|
old = *label;
|
old = *label;
|
m = gfc_match (tag->spec);
|
m = gfc_match (tag->spec);
|
if (m != MATCH_YES)
|
if (m != MATCH_YES)
|
return m;
|
return m;
|
|
|
m = gfc_match (tag->value, label);
|
m = gfc_match (tag->value, label);
|
if (m != MATCH_YES)
|
if (m != MATCH_YES)
|
{
|
{
|
gfc_error ("Invalid value for %s specification at %C", tag->name);
|
gfc_error ("Invalid value for %s specification at %C", tag->name);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
if (old)
|
if (old)
|
{
|
{
|
gfc_error ("Duplicate %s label specification at %C", tag->name);
|
gfc_error ("Duplicate %s label specification at %C", tag->name);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
if (gfc_reference_st_label (*label, ST_LABEL_TARGET) == FAILURE)
|
if (gfc_reference_st_label (*label, ST_LABEL_TARGET) == FAILURE)
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
return m;
|
return m;
|
}
|
}
|
|
|
|
|
/* Resolution of the FORMAT tag, to be called from resolve_tag. */
|
/* Resolution of the FORMAT tag, to be called from resolve_tag. */
|
|
|
static gfc_try
|
static gfc_try
|
resolve_tag_format (const gfc_expr *e)
|
resolve_tag_format (const gfc_expr *e)
|
{
|
{
|
if (e->expr_type == EXPR_CONSTANT
|
if (e->expr_type == EXPR_CONSTANT
|
&& (e->ts.type != BT_CHARACTER
|
&& (e->ts.type != BT_CHARACTER
|
|| e->ts.kind != gfc_default_character_kind))
|
|| e->ts.kind != gfc_default_character_kind))
|
{
|
{
|
gfc_error ("Constant expression in FORMAT tag at %L must be "
|
gfc_error ("Constant expression in FORMAT tag at %L must be "
|
"of type default CHARACTER", &e->where);
|
"of type default CHARACTER", &e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
/* If e's rank is zero and e is not an element of an array, it should be
|
/* If e's rank is zero and e is not an element of an array, it should be
|
of integer or character type. The integer variable should be
|
of integer or character type. The integer variable should be
|
ASSIGNED. */
|
ASSIGNED. */
|
if (e->rank == 0
|
if (e->rank == 0
|
&& (e->expr_type != EXPR_VARIABLE
|
&& (e->expr_type != EXPR_VARIABLE
|
|| e->symtree == NULL
|
|| e->symtree == NULL
|
|| e->symtree->n.sym->as == NULL
|
|| e->symtree->n.sym->as == NULL
|
|| e->symtree->n.sym->as->rank == 0))
|
|| e->symtree->n.sym->as->rank == 0))
|
{
|
{
|
if (e->ts.type != BT_CHARACTER && e->ts.type != BT_INTEGER)
|
if (e->ts.type != BT_CHARACTER && e->ts.type != BT_INTEGER)
|
{
|
{
|
gfc_error ("FORMAT tag at %L must be of type CHARACTER or INTEGER",
|
gfc_error ("FORMAT tag at %L must be of type CHARACTER or INTEGER",
|
&e->where);
|
&e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
else if (e->ts.type == BT_INTEGER && e->expr_type == EXPR_VARIABLE)
|
else if (e->ts.type == BT_INTEGER && e->expr_type == EXPR_VARIABLE)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F95_DEL, "Deleted feature: ASSIGNED "
|
if (gfc_notify_std (GFC_STD_F95_DEL, "Deleted feature: ASSIGNED "
|
"variable in FORMAT tag at %L", &e->where)
|
"variable in FORMAT tag at %L", &e->where)
|
== FAILURE)
|
== FAILURE)
|
return FAILURE;
|
return FAILURE;
|
if (e->symtree->n.sym->attr.assign != 1)
|
if (e->symtree->n.sym->attr.assign != 1)
|
{
|
{
|
gfc_error ("Variable '%s' at %L has not been assigned a "
|
gfc_error ("Variable '%s' at %L has not been assigned a "
|
"format label", e->symtree->n.sym->name, &e->where);
|
"format label", e->symtree->n.sym->name, &e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
}
|
}
|
else if (e->ts.type == BT_INTEGER)
|
else if (e->ts.type == BT_INTEGER)
|
{
|
{
|
gfc_error ("Scalar '%s' in FORMAT tag at %L is not an ASSIGNED "
|
gfc_error ("Scalar '%s' in FORMAT tag at %L is not an ASSIGNED "
|
"variable", gfc_basic_typename (e->ts.type), &e->where);
|
"variable", gfc_basic_typename (e->ts.type), &e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
return SUCCESS;
|
return SUCCESS;
|
}
|
}
|
|
|
/* If rank is nonzero and type is not character, we allow it under GFC_STD_LEGACY.
|
/* If rank is nonzero and type is not character, we allow it under GFC_STD_LEGACY.
|
It may be assigned an Hollerith constant. */
|
It may be assigned an Hollerith constant. */
|
if (e->ts.type != BT_CHARACTER)
|
if (e->ts.type != BT_CHARACTER)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_LEGACY, "Extension: Non-character "
|
if (gfc_notify_std (GFC_STD_LEGACY, "Extension: Non-character "
|
"in FORMAT tag at %L", &e->where) == FAILURE)
|
"in FORMAT tag at %L", &e->where) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
|
|
if (e->rank == 0 && e->symtree->n.sym->as->type == AS_ASSUMED_SHAPE)
|
if (e->rank == 0 && e->symtree->n.sym->as->type == AS_ASSUMED_SHAPE)
|
{
|
{
|
gfc_error ("Non-character assumed shape array element in FORMAT"
|
gfc_error ("Non-character assumed shape array element in FORMAT"
|
" tag at %L", &e->where);
|
" tag at %L", &e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
if (e->rank == 0 && e->symtree->n.sym->as->type == AS_ASSUMED_SIZE)
|
if (e->rank == 0 && e->symtree->n.sym->as->type == AS_ASSUMED_SIZE)
|
{
|
{
|
gfc_error ("Non-character assumed size array element in FORMAT"
|
gfc_error ("Non-character assumed size array element in FORMAT"
|
" tag at %L", &e->where);
|
" tag at %L", &e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
if (e->rank == 0 && e->symtree->n.sym->attr.pointer)
|
if (e->rank == 0 && e->symtree->n.sym->attr.pointer)
|
{
|
{
|
gfc_error ("Non-character pointer array element in FORMAT tag at %L",
|
gfc_error ("Non-character pointer array element in FORMAT tag at %L",
|
&e->where);
|
&e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
}
|
}
|
|
|
return SUCCESS;
|
return SUCCESS;
|
}
|
}
|
|
|
|
|
/* Do expression resolution and type-checking on an expression tag. */
|
/* Do expression resolution and type-checking on an expression tag. */
|
|
|
static gfc_try
|
static gfc_try
|
resolve_tag (const io_tag *tag, gfc_expr *e)
|
resolve_tag (const io_tag *tag, gfc_expr *e)
|
{
|
{
|
if (e == NULL)
|
if (e == NULL)
|
return SUCCESS;
|
return SUCCESS;
|
|
|
if (gfc_resolve_expr (e) == FAILURE)
|
if (gfc_resolve_expr (e) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
|
|
if (tag == &tag_format)
|
if (tag == &tag_format)
|
return resolve_tag_format (e);
|
return resolve_tag_format (e);
|
|
|
if (e->ts.type != tag->type)
|
if (e->ts.type != tag->type)
|
{
|
{
|
gfc_error ("%s tag at %L must be of type %s", tag->name,
|
gfc_error ("%s tag at %L must be of type %s", tag->name,
|
&e->where, gfc_basic_typename (tag->type));
|
&e->where, gfc_basic_typename (tag->type));
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
if (e->rank != 0)
|
if (e->rank != 0)
|
{
|
{
|
gfc_error ("%s tag at %L must be scalar", tag->name, &e->where);
|
gfc_error ("%s tag at %L must be scalar", tag->name, &e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
if (tag == &tag_iomsg)
|
if (tag == &tag_iomsg)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: IOMSG tag at %L",
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: IOMSG tag at %L",
|
&e->where) == FAILURE)
|
&e->where) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
if ((tag == &tag_iostat || tag == &tag_size || tag == &tag_iolength)
|
if ((tag == &tag_iostat || tag == &tag_size || tag == &tag_iolength)
|
&& e->ts.kind != gfc_default_integer_kind)
|
&& e->ts.kind != gfc_default_integer_kind)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 95 requires default "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 95 requires default "
|
"INTEGER in %s tag at %L", tag->name, &e->where)
|
"INTEGER in %s tag at %L", tag->name, &e->where)
|
== FAILURE)
|
== FAILURE)
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
if (tag == &tag_convert)
|
if (tag == &tag_convert)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_GNU, "Extension: CONVERT tag at %L",
|
if (gfc_notify_std (GFC_STD_GNU, "Extension: CONVERT tag at %L",
|
&e->where) == FAILURE)
|
&e->where) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
return SUCCESS;
|
return SUCCESS;
|
}
|
}
|
|
|
|
|
/* Match a single tag of an OPEN statement. */
|
/* Match a single tag of an OPEN statement. */
|
|
|
static match
|
static match
|
match_open_element (gfc_open *open)
|
match_open_element (gfc_open *open)
|
{
|
{
|
match m;
|
match m;
|
|
|
m = match_etag (&tag_e_async, &open->asynchronous);
|
m = match_etag (&tag_e_async, &open->asynchronous);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_unit, &open->unit);
|
m = match_etag (&tag_unit, &open->unit);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_out_tag (&tag_iomsg, &open->iomsg);
|
m = match_out_tag (&tag_iomsg, &open->iomsg);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_out_tag (&tag_iostat, &open->iostat);
|
m = match_out_tag (&tag_iostat, &open->iostat);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_file, &open->file);
|
m = match_etag (&tag_file, &open->file);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_status, &open->status);
|
m = match_etag (&tag_status, &open->status);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_access, &open->access);
|
m = match_etag (&tag_e_access, &open->access);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_form, &open->form);
|
m = match_etag (&tag_e_form, &open->form);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_recl, &open->recl);
|
m = match_etag (&tag_e_recl, &open->recl);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_blank, &open->blank);
|
m = match_etag (&tag_e_blank, &open->blank);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_position, &open->position);
|
m = match_etag (&tag_e_position, &open->position);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_action, &open->action);
|
m = match_etag (&tag_e_action, &open->action);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_delim, &open->delim);
|
m = match_etag (&tag_e_delim, &open->delim);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_pad, &open->pad);
|
m = match_etag (&tag_e_pad, &open->pad);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_decimal, &open->decimal);
|
m = match_etag (&tag_e_decimal, &open->decimal);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_encoding, &open->encoding);
|
m = match_etag (&tag_e_encoding, &open->encoding);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_round, &open->round);
|
m = match_etag (&tag_e_round, &open->round);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_sign, &open->sign);
|
m = match_etag (&tag_e_sign, &open->sign);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_ltag (&tag_err, &open->err);
|
m = match_ltag (&tag_err, &open->err);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_convert, &open->convert);
|
m = match_etag (&tag_convert, &open->convert);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_out_tag (&tag_newunit, &open->newunit);
|
m = match_out_tag (&tag_newunit, &open->newunit);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
|
|
return MATCH_NO;
|
return MATCH_NO;
|
}
|
}
|
|
|
|
|
/* Free the gfc_open structure and all the expressions it contains. */
|
/* Free the gfc_open structure and all the expressions it contains. */
|
|
|
void
|
void
|
gfc_free_open (gfc_open *open)
|
gfc_free_open (gfc_open *open)
|
{
|
{
|
if (open == NULL)
|
if (open == NULL)
|
return;
|
return;
|
|
|
gfc_free_expr (open->unit);
|
gfc_free_expr (open->unit);
|
gfc_free_expr (open->iomsg);
|
gfc_free_expr (open->iomsg);
|
gfc_free_expr (open->iostat);
|
gfc_free_expr (open->iostat);
|
gfc_free_expr (open->file);
|
gfc_free_expr (open->file);
|
gfc_free_expr (open->status);
|
gfc_free_expr (open->status);
|
gfc_free_expr (open->access);
|
gfc_free_expr (open->access);
|
gfc_free_expr (open->form);
|
gfc_free_expr (open->form);
|
gfc_free_expr (open->recl);
|
gfc_free_expr (open->recl);
|
gfc_free_expr (open->blank);
|
gfc_free_expr (open->blank);
|
gfc_free_expr (open->position);
|
gfc_free_expr (open->position);
|
gfc_free_expr (open->action);
|
gfc_free_expr (open->action);
|
gfc_free_expr (open->delim);
|
gfc_free_expr (open->delim);
|
gfc_free_expr (open->pad);
|
gfc_free_expr (open->pad);
|
gfc_free_expr (open->decimal);
|
gfc_free_expr (open->decimal);
|
gfc_free_expr (open->encoding);
|
gfc_free_expr (open->encoding);
|
gfc_free_expr (open->round);
|
gfc_free_expr (open->round);
|
gfc_free_expr (open->sign);
|
gfc_free_expr (open->sign);
|
gfc_free_expr (open->convert);
|
gfc_free_expr (open->convert);
|
gfc_free_expr (open->asynchronous);
|
gfc_free_expr (open->asynchronous);
|
gfc_free_expr (open->newunit);
|
gfc_free_expr (open->newunit);
|
gfc_free (open);
|
gfc_free (open);
|
}
|
}
|
|
|
|
|
/* Resolve everything in a gfc_open structure. */
|
/* Resolve everything in a gfc_open structure. */
|
|
|
gfc_try
|
gfc_try
|
gfc_resolve_open (gfc_open *open)
|
gfc_resolve_open (gfc_open *open)
|
{
|
{
|
|
|
RESOLVE_TAG (&tag_unit, open->unit);
|
RESOLVE_TAG (&tag_unit, open->unit);
|
RESOLVE_TAG (&tag_iomsg, open->iomsg);
|
RESOLVE_TAG (&tag_iomsg, open->iomsg);
|
RESOLVE_TAG (&tag_iostat, open->iostat);
|
RESOLVE_TAG (&tag_iostat, open->iostat);
|
RESOLVE_TAG (&tag_file, open->file);
|
RESOLVE_TAG (&tag_file, open->file);
|
RESOLVE_TAG (&tag_status, open->status);
|
RESOLVE_TAG (&tag_status, open->status);
|
RESOLVE_TAG (&tag_e_access, open->access);
|
RESOLVE_TAG (&tag_e_access, open->access);
|
RESOLVE_TAG (&tag_e_form, open->form);
|
RESOLVE_TAG (&tag_e_form, open->form);
|
RESOLVE_TAG (&tag_e_recl, open->recl);
|
RESOLVE_TAG (&tag_e_recl, open->recl);
|
RESOLVE_TAG (&tag_e_blank, open->blank);
|
RESOLVE_TAG (&tag_e_blank, open->blank);
|
RESOLVE_TAG (&tag_e_position, open->position);
|
RESOLVE_TAG (&tag_e_position, open->position);
|
RESOLVE_TAG (&tag_e_action, open->action);
|
RESOLVE_TAG (&tag_e_action, open->action);
|
RESOLVE_TAG (&tag_e_delim, open->delim);
|
RESOLVE_TAG (&tag_e_delim, open->delim);
|
RESOLVE_TAG (&tag_e_pad, open->pad);
|
RESOLVE_TAG (&tag_e_pad, open->pad);
|
RESOLVE_TAG (&tag_e_decimal, open->decimal);
|
RESOLVE_TAG (&tag_e_decimal, open->decimal);
|
RESOLVE_TAG (&tag_e_encoding, open->encoding);
|
RESOLVE_TAG (&tag_e_encoding, open->encoding);
|
RESOLVE_TAG (&tag_e_async, open->asynchronous);
|
RESOLVE_TAG (&tag_e_async, open->asynchronous);
|
RESOLVE_TAG (&tag_e_round, open->round);
|
RESOLVE_TAG (&tag_e_round, open->round);
|
RESOLVE_TAG (&tag_e_sign, open->sign);
|
RESOLVE_TAG (&tag_e_sign, open->sign);
|
RESOLVE_TAG (&tag_convert, open->convert);
|
RESOLVE_TAG (&tag_convert, open->convert);
|
RESOLVE_TAG (&tag_newunit, open->newunit);
|
RESOLVE_TAG (&tag_newunit, open->newunit);
|
|
|
if (gfc_reference_st_label (open->err, ST_LABEL_TARGET) == FAILURE)
|
if (gfc_reference_st_label (open->err, ST_LABEL_TARGET) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
|
|
return SUCCESS;
|
return SUCCESS;
|
}
|
}
|
|
|
|
|
/* Check if a given value for a SPECIFIER is either in the list of values
|
/* Check if a given value for a SPECIFIER is either in the list of values
|
allowed in F95 or F2003, issuing an error message and returning a zero
|
allowed in F95 or F2003, issuing an error message and returning a zero
|
value if it is not allowed. */
|
value if it is not allowed. */
|
|
|
static int
|
static int
|
compare_to_allowed_values (const char *specifier, const char *allowed[],
|
compare_to_allowed_values (const char *specifier, const char *allowed[],
|
const char *allowed_f2003[],
|
const char *allowed_f2003[],
|
const char *allowed_gnu[], gfc_char_t *value,
|
const char *allowed_gnu[], gfc_char_t *value,
|
const char *statement, bool warn)
|
const char *statement, bool warn)
|
{
|
{
|
int i;
|
int i;
|
unsigned int len;
|
unsigned int len;
|
|
|
len = gfc_wide_strlen (value);
|
len = gfc_wide_strlen (value);
|
if (len > 0)
|
if (len > 0)
|
{
|
{
|
for (len--; len > 0; len--)
|
for (len--; len > 0; len--)
|
if (value[len] != ' ')
|
if (value[len] != ' ')
|
break;
|
break;
|
len++;
|
len++;
|
}
|
}
|
|
|
for (i = 0; allowed[i]; i++)
|
for (i = 0; allowed[i]; i++)
|
if (len == strlen (allowed[i])
|
if (len == strlen (allowed[i])
|
&& gfc_wide_strncasecmp (value, allowed[i], strlen (allowed[i])) == 0)
|
&& gfc_wide_strncasecmp (value, allowed[i], strlen (allowed[i])) == 0)
|
return 1;
|
return 1;
|
|
|
for (i = 0; allowed_f2003 && allowed_f2003[i]; i++)
|
for (i = 0; allowed_f2003 && allowed_f2003[i]; i++)
|
if (len == strlen (allowed_f2003[i])
|
if (len == strlen (allowed_f2003[i])
|
&& gfc_wide_strncasecmp (value, allowed_f2003[i],
|
&& gfc_wide_strncasecmp (value, allowed_f2003[i],
|
strlen (allowed_f2003[i])) == 0)
|
strlen (allowed_f2003[i])) == 0)
|
{
|
{
|
notification n = gfc_notification_std (GFC_STD_F2003);
|
notification n = gfc_notification_std (GFC_STD_F2003);
|
|
|
if (n == WARNING || (warn && n == ERROR))
|
if (n == WARNING || (warn && n == ERROR))
|
{
|
{
|
gfc_warning ("Fortran 2003: %s specifier in %s statement at %C "
|
gfc_warning ("Fortran 2003: %s specifier in %s statement at %C "
|
"has value '%s'", specifier, statement,
|
"has value '%s'", specifier, statement,
|
allowed_f2003[i]);
|
allowed_f2003[i]);
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
if (n == ERROR)
|
if (n == ERROR)
|
{
|
{
|
gfc_notify_std (GFC_STD_F2003, "Fortran 2003: %s specifier in "
|
gfc_notify_std (GFC_STD_F2003, "Fortran 2003: %s specifier in "
|
"%s statement at %C has value '%s'", specifier,
|
"%s statement at %C has value '%s'", specifier,
|
statement, allowed_f2003[i]);
|
statement, allowed_f2003[i]);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* n == SILENT */
|
/* n == SILENT */
|
return 1;
|
return 1;
|
}
|
}
|
|
|
for (i = 0; allowed_gnu && allowed_gnu[i]; i++)
|
for (i = 0; allowed_gnu && allowed_gnu[i]; i++)
|
if (len == strlen (allowed_gnu[i])
|
if (len == strlen (allowed_gnu[i])
|
&& gfc_wide_strncasecmp (value, allowed_gnu[i],
|
&& gfc_wide_strncasecmp (value, allowed_gnu[i],
|
strlen (allowed_gnu[i])) == 0)
|
strlen (allowed_gnu[i])) == 0)
|
{
|
{
|
notification n = gfc_notification_std (GFC_STD_GNU);
|
notification n = gfc_notification_std (GFC_STD_GNU);
|
|
|
if (n == WARNING || (warn && n == ERROR))
|
if (n == WARNING || (warn && n == ERROR))
|
{
|
{
|
gfc_warning ("Extension: %s specifier in %s statement at %C "
|
gfc_warning ("Extension: %s specifier in %s statement at %C "
|
"has value '%s'", specifier, statement,
|
"has value '%s'", specifier, statement,
|
allowed_gnu[i]);
|
allowed_gnu[i]);
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
if (n == ERROR)
|
if (n == ERROR)
|
{
|
{
|
gfc_notify_std (GFC_STD_GNU, "Extension: %s specifier in "
|
gfc_notify_std (GFC_STD_GNU, "Extension: %s specifier in "
|
"%s statement at %C has value '%s'", specifier,
|
"%s statement at %C has value '%s'", specifier,
|
statement, allowed_gnu[i]);
|
statement, allowed_gnu[i]);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* n == SILENT */
|
/* n == SILENT */
|
return 1;
|
return 1;
|
}
|
}
|
|
|
if (warn)
|
if (warn)
|
{
|
{
|
char *s = gfc_widechar_to_char (value, -1);
|
char *s = gfc_widechar_to_char (value, -1);
|
gfc_warning ("%s specifier in %s statement at %C has invalid value '%s'",
|
gfc_warning ("%s specifier in %s statement at %C has invalid value '%s'",
|
specifier, statement, s);
|
specifier, statement, s);
|
gfc_free (s);
|
gfc_free (s);
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
char *s = gfc_widechar_to_char (value, -1);
|
char *s = gfc_widechar_to_char (value, -1);
|
gfc_error ("%s specifier in %s statement at %C has invalid value '%s'",
|
gfc_error ("%s specifier in %s statement at %C has invalid value '%s'",
|
specifier, statement, s);
|
specifier, statement, s);
|
gfc_free (s);
|
gfc_free (s);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
|
|
/* Match an OPEN statement. */
|
/* Match an OPEN statement. */
|
|
|
match
|
match
|
gfc_match_open (void)
|
gfc_match_open (void)
|
{
|
{
|
gfc_open *open;
|
gfc_open *open;
|
match m;
|
match m;
|
bool warn;
|
bool warn;
|
|
|
m = gfc_match_char ('(');
|
m = gfc_match_char ('(');
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
return m;
|
return m;
|
|
|
open = XCNEW (gfc_open);
|
open = XCNEW (gfc_open);
|
|
|
m = match_open_element (open);
|
m = match_open_element (open);
|
|
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
{
|
{
|
m = gfc_match_expr (&open->unit);
|
m = gfc_match_expr (&open->unit);
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
for (;;)
|
for (;;)
|
{
|
{
|
if (gfc_match_char (')') == MATCH_YES)
|
if (gfc_match_char (')') == MATCH_YES)
|
break;
|
break;
|
if (gfc_match_char (',') != MATCH_YES)
|
if (gfc_match_char (',') != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
|
|
m = match_open_element (open);
|
m = match_open_element (open);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
if (gfc_match_eos () == MATCH_NO)
|
if (gfc_match_eos () == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
|
|
if (gfc_pure (NULL))
|
if (gfc_pure (NULL))
|
{
|
{
|
gfc_error ("OPEN statement not allowed in PURE procedure at %C");
|
gfc_error ("OPEN statement not allowed in PURE procedure at %C");
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
warn = (open->err || open->iostat) ? true : false;
|
warn = (open->err || open->iostat) ? true : false;
|
|
|
/* Checks on NEWUNIT specifier. */
|
/* Checks on NEWUNIT specifier. */
|
if (open->newunit)
|
if (open->newunit)
|
{
|
{
|
if (open->unit)
|
if (open->unit)
|
{
|
{
|
gfc_error ("UNIT specifier not allowed with NEWUNIT at %C");
|
gfc_error ("UNIT specifier not allowed with NEWUNIT at %C");
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
if (!(open->file || (open->status
|
if (!(open->file || (open->status
|
&& gfc_wide_strncasecmp (open->status->value.character.string,
|
&& gfc_wide_strncasecmp (open->status->value.character.string,
|
"scratch", 7) == 0)))
|
"scratch", 7) == 0)))
|
{
|
{
|
gfc_error ("NEWUNIT specifier must have FILE= "
|
gfc_error ("NEWUNIT specifier must have FILE= "
|
"or STATUS='scratch' at %C");
|
"or STATUS='scratch' at %C");
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
}
|
}
|
|
|
/* Checks on the ACCESS specifier. */
|
/* Checks on the ACCESS specifier. */
|
if (open->access && open->access->expr_type == EXPR_CONSTANT)
|
if (open->access && open->access->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char *access_f95[] = { "SEQUENTIAL", "DIRECT", NULL };
|
static const char *access_f95[] = { "SEQUENTIAL", "DIRECT", NULL };
|
static const char *access_f2003[] = { "STREAM", NULL };
|
static const char *access_f2003[] = { "STREAM", NULL };
|
static const char *access_gnu[] = { "APPEND", NULL };
|
static const char *access_gnu[] = { "APPEND", NULL };
|
|
|
if (!compare_to_allowed_values ("ACCESS", access_f95, access_f2003,
|
if (!compare_to_allowed_values ("ACCESS", access_f95, access_f2003,
|
access_gnu,
|
access_gnu,
|
open->access->value.character.string,
|
open->access->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
/* Checks on the ACTION specifier. */
|
/* Checks on the ACTION specifier. */
|
if (open->action && open->action->expr_type == EXPR_CONSTANT)
|
if (open->action && open->action->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char *action[] = { "READ", "WRITE", "READWRITE", NULL };
|
static const char *action[] = { "READ", "WRITE", "READWRITE", NULL };
|
|
|
if (!compare_to_allowed_values ("ACTION", action, NULL, NULL,
|
if (!compare_to_allowed_values ("ACTION", action, NULL, NULL,
|
open->action->value.character.string,
|
open->action->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
/* Checks on the ASYNCHRONOUS specifier. */
|
/* Checks on the ASYNCHRONOUS specifier. */
|
if (open->asynchronous)
|
if (open->asynchronous)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: ASYNCHRONOUS= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: ASYNCHRONOUS= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
goto cleanup;
|
goto cleanup;
|
|
|
if (open->asynchronous->expr_type == EXPR_CONSTANT)
|
if (open->asynchronous->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char * asynchronous[] = { "YES", "NO", NULL };
|
static const char * asynchronous[] = { "YES", "NO", NULL };
|
|
|
if (!compare_to_allowed_values ("ASYNCHRONOUS", asynchronous,
|
if (!compare_to_allowed_values ("ASYNCHRONOUS", asynchronous,
|
NULL, NULL, open->asynchronous->value.character.string,
|
NULL, NULL, open->asynchronous->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
}
|
}
|
|
|
/* Checks on the BLANK specifier. */
|
/* Checks on the BLANK specifier. */
|
if (open->blank)
|
if (open->blank)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: BLANK= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: BLANK= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
goto cleanup;
|
goto cleanup;
|
|
|
if (open->blank->expr_type == EXPR_CONSTANT)
|
if (open->blank->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char *blank[] = { "ZERO", "NULL", NULL };
|
static const char *blank[] = { "ZERO", "NULL", NULL };
|
|
|
if (!compare_to_allowed_values ("BLANK", blank, NULL, NULL,
|
if (!compare_to_allowed_values ("BLANK", blank, NULL, NULL,
|
open->blank->value.character.string,
|
open->blank->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
}
|
}
|
|
|
/* Checks on the DECIMAL specifier. */
|
/* Checks on the DECIMAL specifier. */
|
if (open->decimal)
|
if (open->decimal)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DECIMAL= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DECIMAL= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
goto cleanup;
|
goto cleanup;
|
|
|
if (open->decimal->expr_type == EXPR_CONSTANT)
|
if (open->decimal->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char * decimal[] = { "COMMA", "POINT", NULL };
|
static const char * decimal[] = { "COMMA", "POINT", NULL };
|
|
|
if (!compare_to_allowed_values ("DECIMAL", decimal, NULL, NULL,
|
if (!compare_to_allowed_values ("DECIMAL", decimal, NULL, NULL,
|
open->decimal->value.character.string,
|
open->decimal->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
}
|
}
|
|
|
/* Checks on the DELIM specifier. */
|
/* Checks on the DELIM specifier. */
|
if (open->delim)
|
if (open->delim)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DELIM= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DELIM= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
goto cleanup;
|
goto cleanup;
|
|
|
if (open->delim->expr_type == EXPR_CONSTANT)
|
if (open->delim->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char *delim[] = { "APOSTROPHE", "QUOTE", "NONE", NULL };
|
static const char *delim[] = { "APOSTROPHE", "QUOTE", "NONE", NULL };
|
|
|
if (!compare_to_allowed_values ("DELIM", delim, NULL, NULL,
|
if (!compare_to_allowed_values ("DELIM", delim, NULL, NULL,
|
open->delim->value.character.string,
|
open->delim->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
}
|
}
|
|
|
/* Checks on the ENCODING specifier. */
|
/* Checks on the ENCODING specifier. */
|
if (open->encoding)
|
if (open->encoding)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: ENCODING= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: ENCODING= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
goto cleanup;
|
goto cleanup;
|
|
|
if (open->encoding->expr_type == EXPR_CONSTANT)
|
if (open->encoding->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char * encoding[] = { "DEFAULT", "UTF-8", NULL };
|
static const char * encoding[] = { "DEFAULT", "UTF-8", NULL };
|
|
|
if (!compare_to_allowed_values ("ENCODING", encoding, NULL, NULL,
|
if (!compare_to_allowed_values ("ENCODING", encoding, NULL, NULL,
|
open->encoding->value.character.string,
|
open->encoding->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
}
|
}
|
|
|
/* Checks on the FORM specifier. */
|
/* Checks on the FORM specifier. */
|
if (open->form && open->form->expr_type == EXPR_CONSTANT)
|
if (open->form && open->form->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char *form[] = { "FORMATTED", "UNFORMATTED", NULL };
|
static const char *form[] = { "FORMATTED", "UNFORMATTED", NULL };
|
|
|
if (!compare_to_allowed_values ("FORM", form, NULL, NULL,
|
if (!compare_to_allowed_values ("FORM", form, NULL, NULL,
|
open->form->value.character.string,
|
open->form->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
/* Checks on the PAD specifier. */
|
/* Checks on the PAD specifier. */
|
if (open->pad && open->pad->expr_type == EXPR_CONSTANT)
|
if (open->pad && open->pad->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char *pad[] = { "YES", "NO", NULL };
|
static const char *pad[] = { "YES", "NO", NULL };
|
|
|
if (!compare_to_allowed_values ("PAD", pad, NULL, NULL,
|
if (!compare_to_allowed_values ("PAD", pad, NULL, NULL,
|
open->pad->value.character.string,
|
open->pad->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
/* Checks on the POSITION specifier. */
|
/* Checks on the POSITION specifier. */
|
if (open->position && open->position->expr_type == EXPR_CONSTANT)
|
if (open->position && open->position->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char *position[] = { "ASIS", "REWIND", "APPEND", NULL };
|
static const char *position[] = { "ASIS", "REWIND", "APPEND", NULL };
|
|
|
if (!compare_to_allowed_values ("POSITION", position, NULL, NULL,
|
if (!compare_to_allowed_values ("POSITION", position, NULL, NULL,
|
open->position->value.character.string,
|
open->position->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
/* Checks on the ROUND specifier. */
|
/* Checks on the ROUND specifier. */
|
if (open->round)
|
if (open->round)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran F2003: ROUND= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran F2003: ROUND= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
goto cleanup;
|
goto cleanup;
|
|
|
if (open->round->expr_type == EXPR_CONSTANT)
|
if (open->round->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char * round[] = { "UP", "DOWN", "ZERO", "NEAREST",
|
static const char * round[] = { "UP", "DOWN", "ZERO", "NEAREST",
|
"COMPATIBLE", "PROCESSOR_DEFINED",
|
"COMPATIBLE", "PROCESSOR_DEFINED",
|
NULL };
|
NULL };
|
|
|
if (!compare_to_allowed_values ("ROUND", round, NULL, NULL,
|
if (!compare_to_allowed_values ("ROUND", round, NULL, NULL,
|
open->round->value.character.string,
|
open->round->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
}
|
}
|
|
|
/* Checks on the SIGN specifier. */
|
/* Checks on the SIGN specifier. */
|
if (open->sign)
|
if (open->sign)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: SIGN= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: SIGN= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
goto cleanup;
|
goto cleanup;
|
|
|
if (open->sign->expr_type == EXPR_CONSTANT)
|
if (open->sign->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char * sign[] = { "PLUS", "SUPPRESS", "PROCESSOR_DEFINED",
|
static const char * sign[] = { "PLUS", "SUPPRESS", "PROCESSOR_DEFINED",
|
NULL };
|
NULL };
|
|
|
if (!compare_to_allowed_values ("SIGN", sign, NULL, NULL,
|
if (!compare_to_allowed_values ("SIGN", sign, NULL, NULL,
|
open->sign->value.character.string,
|
open->sign->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
}
|
}
|
|
|
#define warn_or_error(...) \
|
#define warn_or_error(...) \
|
{ \
|
{ \
|
if (warn) \
|
if (warn) \
|
gfc_warning (__VA_ARGS__); \
|
gfc_warning (__VA_ARGS__); \
|
else \
|
else \
|
{ \
|
{ \
|
gfc_error (__VA_ARGS__); \
|
gfc_error (__VA_ARGS__); \
|
goto cleanup; \
|
goto cleanup; \
|
} \
|
} \
|
}
|
}
|
|
|
/* Checks on the RECL specifier. */
|
/* Checks on the RECL specifier. */
|
if (open->recl && open->recl->expr_type == EXPR_CONSTANT
|
if (open->recl && open->recl->expr_type == EXPR_CONSTANT
|
&& open->recl->ts.type == BT_INTEGER
|
&& open->recl->ts.type == BT_INTEGER
|
&& mpz_sgn (open->recl->value.integer) != 1)
|
&& mpz_sgn (open->recl->value.integer) != 1)
|
{
|
{
|
warn_or_error ("RECL in OPEN statement at %C must be positive");
|
warn_or_error ("RECL in OPEN statement at %C must be positive");
|
}
|
}
|
|
|
/* Checks on the STATUS specifier. */
|
/* Checks on the STATUS specifier. */
|
if (open->status && open->status->expr_type == EXPR_CONSTANT)
|
if (open->status && open->status->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char *status[] = { "OLD", "NEW", "SCRATCH",
|
static const char *status[] = { "OLD", "NEW", "SCRATCH",
|
"REPLACE", "UNKNOWN", NULL };
|
"REPLACE", "UNKNOWN", NULL };
|
|
|
if (!compare_to_allowed_values ("STATUS", status, NULL, NULL,
|
if (!compare_to_allowed_values ("STATUS", status, NULL, NULL,
|
open->status->value.character.string,
|
open->status->value.character.string,
|
"OPEN", warn))
|
"OPEN", warn))
|
goto cleanup;
|
goto cleanup;
|
|
|
/* F2003, 9.4.5: If the STATUS= specifier has the value NEW or REPLACE,
|
/* F2003, 9.4.5: If the STATUS= specifier has the value NEW or REPLACE,
|
the FILE= specifier shall appear. */
|
the FILE= specifier shall appear. */
|
if (open->file == NULL
|
if (open->file == NULL
|
&& (gfc_wide_strncasecmp (open->status->value.character.string,
|
&& (gfc_wide_strncasecmp (open->status->value.character.string,
|
"replace", 7) == 0
|
"replace", 7) == 0
|
|| gfc_wide_strncasecmp (open->status->value.character.string,
|
|| gfc_wide_strncasecmp (open->status->value.character.string,
|
"new", 3) == 0))
|
"new", 3) == 0))
|
{
|
{
|
char *s = gfc_widechar_to_char (open->status->value.character.string,
|
char *s = gfc_widechar_to_char (open->status->value.character.string,
|
-1);
|
-1);
|
warn_or_error ("The STATUS specified in OPEN statement at %C is "
|
warn_or_error ("The STATUS specified in OPEN statement at %C is "
|
"'%s' and no FILE specifier is present", s);
|
"'%s' and no FILE specifier is present", s);
|
gfc_free (s);
|
gfc_free (s);
|
}
|
}
|
|
|
/* F2003, 9.4.5: If the STATUS= specifier has the value SCRATCH,
|
/* F2003, 9.4.5: If the STATUS= specifier has the value SCRATCH,
|
the FILE= specifier shall not appear. */
|
the FILE= specifier shall not appear. */
|
if (gfc_wide_strncasecmp (open->status->value.character.string,
|
if (gfc_wide_strncasecmp (open->status->value.character.string,
|
"scratch", 7) == 0 && open->file)
|
"scratch", 7) == 0 && open->file)
|
{
|
{
|
warn_or_error ("The STATUS specified in OPEN statement at %C "
|
warn_or_error ("The STATUS specified in OPEN statement at %C "
|
"cannot have the value SCRATCH if a FILE specifier "
|
"cannot have the value SCRATCH if a FILE specifier "
|
"is present");
|
"is present");
|
}
|
}
|
}
|
}
|
|
|
/* Things that are not allowed for unformatted I/O. */
|
/* Things that are not allowed for unformatted I/O. */
|
if (open->form && open->form->expr_type == EXPR_CONSTANT
|
if (open->form && open->form->expr_type == EXPR_CONSTANT
|
&& (open->delim || open->decimal || open->encoding || open->round
|
&& (open->delim || open->decimal || open->encoding || open->round
|
|| open->sign || open->pad || open->blank)
|
|| open->sign || open->pad || open->blank)
|
&& gfc_wide_strncasecmp (open->form->value.character.string,
|
&& gfc_wide_strncasecmp (open->form->value.character.string,
|
"unformatted", 11) == 0)
|
"unformatted", 11) == 0)
|
{
|
{
|
const char *spec = (open->delim ? "DELIM "
|
const char *spec = (open->delim ? "DELIM "
|
: (open->pad ? "PAD " : open->blank
|
: (open->pad ? "PAD " : open->blank
|
? "BLANK " : ""));
|
? "BLANK " : ""));
|
|
|
warn_or_error ("%s specifier at %C not allowed in OPEN statement for "
|
warn_or_error ("%s specifier at %C not allowed in OPEN statement for "
|
"unformatted I/O", spec);
|
"unformatted I/O", spec);
|
}
|
}
|
|
|
if (open->recl && open->access && open->access->expr_type == EXPR_CONSTANT
|
if (open->recl && open->access && open->access->expr_type == EXPR_CONSTANT
|
&& gfc_wide_strncasecmp (open->access->value.character.string,
|
&& gfc_wide_strncasecmp (open->access->value.character.string,
|
"stream", 6) == 0)
|
"stream", 6) == 0)
|
{
|
{
|
warn_or_error ("RECL specifier not allowed in OPEN statement at %C for "
|
warn_or_error ("RECL specifier not allowed in OPEN statement at %C for "
|
"stream I/O");
|
"stream I/O");
|
}
|
}
|
|
|
if (open->position
|
if (open->position
|
&& open->access && open->access->expr_type == EXPR_CONSTANT
|
&& open->access && open->access->expr_type == EXPR_CONSTANT
|
&& !(gfc_wide_strncasecmp (open->access->value.character.string,
|
&& !(gfc_wide_strncasecmp (open->access->value.character.string,
|
"sequential", 10) == 0
|
"sequential", 10) == 0
|
|| gfc_wide_strncasecmp (open->access->value.character.string,
|
|| gfc_wide_strncasecmp (open->access->value.character.string,
|
"stream", 6) == 0
|
"stream", 6) == 0
|
|| gfc_wide_strncasecmp (open->access->value.character.string,
|
|| gfc_wide_strncasecmp (open->access->value.character.string,
|
"append", 6) == 0))
|
"append", 6) == 0))
|
{
|
{
|
warn_or_error ("POSITION specifier in OPEN statement at %C only allowed "
|
warn_or_error ("POSITION specifier in OPEN statement at %C only allowed "
|
"for stream or sequential ACCESS");
|
"for stream or sequential ACCESS");
|
}
|
}
|
|
|
#undef warn_or_error
|
#undef warn_or_error
|
|
|
new_st.op = EXEC_OPEN;
|
new_st.op = EXEC_OPEN;
|
new_st.ext.open = open;
|
new_st.ext.open = open;
|
return MATCH_YES;
|
return MATCH_YES;
|
|
|
syntax:
|
syntax:
|
gfc_syntax_error (ST_OPEN);
|
gfc_syntax_error (ST_OPEN);
|
|
|
cleanup:
|
cleanup:
|
gfc_free_open (open);
|
gfc_free_open (open);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
|
|
/* Free a gfc_close structure an all its expressions. */
|
/* Free a gfc_close structure an all its expressions. */
|
|
|
void
|
void
|
gfc_free_close (gfc_close *close)
|
gfc_free_close (gfc_close *close)
|
{
|
{
|
if (close == NULL)
|
if (close == NULL)
|
return;
|
return;
|
|
|
gfc_free_expr (close->unit);
|
gfc_free_expr (close->unit);
|
gfc_free_expr (close->iomsg);
|
gfc_free_expr (close->iomsg);
|
gfc_free_expr (close->iostat);
|
gfc_free_expr (close->iostat);
|
gfc_free_expr (close->status);
|
gfc_free_expr (close->status);
|
gfc_free (close);
|
gfc_free (close);
|
}
|
}
|
|
|
|
|
/* Match elements of a CLOSE statement. */
|
/* Match elements of a CLOSE statement. */
|
|
|
static match
|
static match
|
match_close_element (gfc_close *close)
|
match_close_element (gfc_close *close)
|
{
|
{
|
match m;
|
match m;
|
|
|
m = match_etag (&tag_unit, &close->unit);
|
m = match_etag (&tag_unit, &close->unit);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_status, &close->status);
|
m = match_etag (&tag_status, &close->status);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_out_tag (&tag_iomsg, &close->iomsg);
|
m = match_out_tag (&tag_iomsg, &close->iomsg);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_out_tag (&tag_iostat, &close->iostat);
|
m = match_out_tag (&tag_iostat, &close->iostat);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_ltag (&tag_err, &close->err);
|
m = match_ltag (&tag_err, &close->err);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
|
|
return MATCH_NO;
|
return MATCH_NO;
|
}
|
}
|
|
|
|
|
/* Match a CLOSE statement. */
|
/* Match a CLOSE statement. */
|
|
|
match
|
match
|
gfc_match_close (void)
|
gfc_match_close (void)
|
{
|
{
|
gfc_close *close;
|
gfc_close *close;
|
match m;
|
match m;
|
bool warn;
|
bool warn;
|
|
|
m = gfc_match_char ('(');
|
m = gfc_match_char ('(');
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
return m;
|
return m;
|
|
|
close = XCNEW (gfc_close);
|
close = XCNEW (gfc_close);
|
|
|
m = match_close_element (close);
|
m = match_close_element (close);
|
|
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
{
|
{
|
m = gfc_match_expr (&close->unit);
|
m = gfc_match_expr (&close->unit);
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
for (;;)
|
for (;;)
|
{
|
{
|
if (gfc_match_char (')') == MATCH_YES)
|
if (gfc_match_char (')') == MATCH_YES)
|
break;
|
break;
|
if (gfc_match_char (',') != MATCH_YES)
|
if (gfc_match_char (',') != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
|
|
m = match_close_element (close);
|
m = match_close_element (close);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
if (gfc_match_eos () == MATCH_NO)
|
if (gfc_match_eos () == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
|
|
if (gfc_pure (NULL))
|
if (gfc_pure (NULL))
|
{
|
{
|
gfc_error ("CLOSE statement not allowed in PURE procedure at %C");
|
gfc_error ("CLOSE statement not allowed in PURE procedure at %C");
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
warn = (close->iostat || close->err) ? true : false;
|
warn = (close->iostat || close->err) ? true : false;
|
|
|
/* Checks on the STATUS specifier. */
|
/* Checks on the STATUS specifier. */
|
if (close->status && close->status->expr_type == EXPR_CONSTANT)
|
if (close->status && close->status->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char *status[] = { "KEEP", "DELETE", NULL };
|
static const char *status[] = { "KEEP", "DELETE", NULL };
|
|
|
if (!compare_to_allowed_values ("STATUS", status, NULL, NULL,
|
if (!compare_to_allowed_values ("STATUS", status, NULL, NULL,
|
close->status->value.character.string,
|
close->status->value.character.string,
|
"CLOSE", warn))
|
"CLOSE", warn))
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
new_st.op = EXEC_CLOSE;
|
new_st.op = EXEC_CLOSE;
|
new_st.ext.close = close;
|
new_st.ext.close = close;
|
return MATCH_YES;
|
return MATCH_YES;
|
|
|
syntax:
|
syntax:
|
gfc_syntax_error (ST_CLOSE);
|
gfc_syntax_error (ST_CLOSE);
|
|
|
cleanup:
|
cleanup:
|
gfc_free_close (close);
|
gfc_free_close (close);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
|
|
/* Resolve everything in a gfc_close structure. */
|
/* Resolve everything in a gfc_close structure. */
|
|
|
gfc_try
|
gfc_try
|
gfc_resolve_close (gfc_close *close)
|
gfc_resolve_close (gfc_close *close)
|
{
|
{
|
RESOLVE_TAG (&tag_unit, close->unit);
|
RESOLVE_TAG (&tag_unit, close->unit);
|
RESOLVE_TAG (&tag_iomsg, close->iomsg);
|
RESOLVE_TAG (&tag_iomsg, close->iomsg);
|
RESOLVE_TAG (&tag_iostat, close->iostat);
|
RESOLVE_TAG (&tag_iostat, close->iostat);
|
RESOLVE_TAG (&tag_status, close->status);
|
RESOLVE_TAG (&tag_status, close->status);
|
|
|
if (gfc_reference_st_label (close->err, ST_LABEL_TARGET) == FAILURE)
|
if (gfc_reference_st_label (close->err, ST_LABEL_TARGET) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
|
|
if (close->unit->expr_type == EXPR_CONSTANT
|
if (close->unit->expr_type == EXPR_CONSTANT
|
&& close->unit->ts.type == BT_INTEGER
|
&& close->unit->ts.type == BT_INTEGER
|
&& mpz_sgn (close->unit->value.integer) < 0)
|
&& mpz_sgn (close->unit->value.integer) < 0)
|
{
|
{
|
gfc_error ("UNIT number in CLOSE statement at %L must be non-negative",
|
gfc_error ("UNIT number in CLOSE statement at %L must be non-negative",
|
&close->unit->where);
|
&close->unit->where);
|
}
|
}
|
|
|
return SUCCESS;
|
return SUCCESS;
|
}
|
}
|
|
|
|
|
/* Free a gfc_filepos structure. */
|
/* Free a gfc_filepos structure. */
|
|
|
void
|
void
|
gfc_free_filepos (gfc_filepos *fp)
|
gfc_free_filepos (gfc_filepos *fp)
|
{
|
{
|
gfc_free_expr (fp->unit);
|
gfc_free_expr (fp->unit);
|
gfc_free_expr (fp->iomsg);
|
gfc_free_expr (fp->iomsg);
|
gfc_free_expr (fp->iostat);
|
gfc_free_expr (fp->iostat);
|
gfc_free (fp);
|
gfc_free (fp);
|
}
|
}
|
|
|
|
|
/* Match elements of a REWIND, BACKSPACE, ENDFILE, or FLUSH statement. */
|
/* Match elements of a REWIND, BACKSPACE, ENDFILE, or FLUSH statement. */
|
|
|
static match
|
static match
|
match_file_element (gfc_filepos *fp)
|
match_file_element (gfc_filepos *fp)
|
{
|
{
|
match m;
|
match m;
|
|
|
m = match_etag (&tag_unit, &fp->unit);
|
m = match_etag (&tag_unit, &fp->unit);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_out_tag (&tag_iomsg, &fp->iomsg);
|
m = match_out_tag (&tag_iomsg, &fp->iomsg);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_out_tag (&tag_iostat, &fp->iostat);
|
m = match_out_tag (&tag_iostat, &fp->iostat);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_ltag (&tag_err, &fp->err);
|
m = match_ltag (&tag_err, &fp->err);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
|
|
return MATCH_NO;
|
return MATCH_NO;
|
}
|
}
|
|
|
|
|
/* Match the second half of the file-positioning statements, REWIND,
|
/* Match the second half of the file-positioning statements, REWIND,
|
BACKSPACE, ENDFILE, or the FLUSH statement. */
|
BACKSPACE, ENDFILE, or the FLUSH statement. */
|
|
|
static match
|
static match
|
match_filepos (gfc_statement st, gfc_exec_op op)
|
match_filepos (gfc_statement st, gfc_exec_op op)
|
{
|
{
|
gfc_filepos *fp;
|
gfc_filepos *fp;
|
match m;
|
match m;
|
|
|
fp = XCNEW (gfc_filepos);
|
fp = XCNEW (gfc_filepos);
|
|
|
if (gfc_match_char ('(') == MATCH_NO)
|
if (gfc_match_char ('(') == MATCH_NO)
|
{
|
{
|
m = gfc_match_expr (&fp->unit);
|
m = gfc_match_expr (&fp->unit);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
|
|
goto done;
|
goto done;
|
}
|
}
|
|
|
m = match_file_element (fp);
|
m = match_file_element (fp);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto done;
|
goto done;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
{
|
{
|
m = gfc_match_expr (&fp->unit);
|
m = gfc_match_expr (&fp->unit);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto done;
|
goto done;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
for (;;)
|
for (;;)
|
{
|
{
|
if (gfc_match_char (')') == MATCH_YES)
|
if (gfc_match_char (')') == MATCH_YES)
|
break;
|
break;
|
if (gfc_match_char (',') != MATCH_YES)
|
if (gfc_match_char (',') != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
|
|
m = match_file_element (fp);
|
m = match_file_element (fp);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
done:
|
done:
|
if (gfc_match_eos () != MATCH_YES)
|
if (gfc_match_eos () != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
|
|
if (gfc_pure (NULL))
|
if (gfc_pure (NULL))
|
{
|
{
|
gfc_error ("%s statement not allowed in PURE procedure at %C",
|
gfc_error ("%s statement not allowed in PURE procedure at %C",
|
gfc_ascii_statement (st));
|
gfc_ascii_statement (st));
|
|
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
new_st.op = op;
|
new_st.op = op;
|
new_st.ext.filepos = fp;
|
new_st.ext.filepos = fp;
|
return MATCH_YES;
|
return MATCH_YES;
|
|
|
syntax:
|
syntax:
|
gfc_syntax_error (st);
|
gfc_syntax_error (st);
|
|
|
cleanup:
|
cleanup:
|
gfc_free_filepos (fp);
|
gfc_free_filepos (fp);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
|
|
gfc_try
|
gfc_try
|
gfc_resolve_filepos (gfc_filepos *fp)
|
gfc_resolve_filepos (gfc_filepos *fp)
|
{
|
{
|
RESOLVE_TAG (&tag_unit, fp->unit);
|
RESOLVE_TAG (&tag_unit, fp->unit);
|
RESOLVE_TAG (&tag_iostat, fp->iostat);
|
RESOLVE_TAG (&tag_iostat, fp->iostat);
|
RESOLVE_TAG (&tag_iomsg, fp->iomsg);
|
RESOLVE_TAG (&tag_iomsg, fp->iomsg);
|
if (gfc_reference_st_label (fp->err, ST_LABEL_TARGET) == FAILURE)
|
if (gfc_reference_st_label (fp->err, ST_LABEL_TARGET) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
|
|
if (fp->unit->expr_type == EXPR_CONSTANT
|
if (fp->unit->expr_type == EXPR_CONSTANT
|
&& fp->unit->ts.type == BT_INTEGER
|
&& fp->unit->ts.type == BT_INTEGER
|
&& mpz_sgn (fp->unit->value.integer) < 0)
|
&& mpz_sgn (fp->unit->value.integer) < 0)
|
{
|
{
|
gfc_error ("UNIT number in statement at %L must be non-negative",
|
gfc_error ("UNIT number in statement at %L must be non-negative",
|
&fp->unit->where);
|
&fp->unit->where);
|
}
|
}
|
|
|
return SUCCESS;
|
return SUCCESS;
|
}
|
}
|
|
|
|
|
/* Match the file positioning statements: ENDFILE, BACKSPACE, REWIND,
|
/* Match the file positioning statements: ENDFILE, BACKSPACE, REWIND,
|
and the FLUSH statement. */
|
and the FLUSH statement. */
|
|
|
match
|
match
|
gfc_match_endfile (void)
|
gfc_match_endfile (void)
|
{
|
{
|
return match_filepos (ST_END_FILE, EXEC_ENDFILE);
|
return match_filepos (ST_END_FILE, EXEC_ENDFILE);
|
}
|
}
|
|
|
match
|
match
|
gfc_match_backspace (void)
|
gfc_match_backspace (void)
|
{
|
{
|
return match_filepos (ST_BACKSPACE, EXEC_BACKSPACE);
|
return match_filepos (ST_BACKSPACE, EXEC_BACKSPACE);
|
}
|
}
|
|
|
match
|
match
|
gfc_match_rewind (void)
|
gfc_match_rewind (void)
|
{
|
{
|
return match_filepos (ST_REWIND, EXEC_REWIND);
|
return match_filepos (ST_REWIND, EXEC_REWIND);
|
}
|
}
|
|
|
match
|
match
|
gfc_match_flush (void)
|
gfc_match_flush (void)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: FLUSH statement at %C")
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: FLUSH statement at %C")
|
== FAILURE)
|
== FAILURE)
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
return match_filepos (ST_FLUSH, EXEC_FLUSH);
|
return match_filepos (ST_FLUSH, EXEC_FLUSH);
|
}
|
}
|
|
|
/******************** Data Transfer Statements *********************/
|
/******************** Data Transfer Statements *********************/
|
|
|
/* Return a default unit number. */
|
/* Return a default unit number. */
|
|
|
static gfc_expr *
|
static gfc_expr *
|
default_unit (io_kind k)
|
default_unit (io_kind k)
|
{
|
{
|
int unit;
|
int unit;
|
|
|
if (k == M_READ)
|
if (k == M_READ)
|
unit = 5;
|
unit = 5;
|
else
|
else
|
unit = 6;
|
unit = 6;
|
|
|
return gfc_int_expr (unit);
|
return gfc_int_expr (unit);
|
}
|
}
|
|
|
|
|
/* Match a unit specification for a data transfer statement. */
|
/* Match a unit specification for a data transfer statement. */
|
|
|
static match
|
static match
|
match_dt_unit (io_kind k, gfc_dt *dt)
|
match_dt_unit (io_kind k, gfc_dt *dt)
|
{
|
{
|
gfc_expr *e;
|
gfc_expr *e;
|
|
|
if (gfc_match_char ('*') == MATCH_YES)
|
if (gfc_match_char ('*') == MATCH_YES)
|
{
|
{
|
if (dt->io_unit != NULL)
|
if (dt->io_unit != NULL)
|
goto conflict;
|
goto conflict;
|
|
|
dt->io_unit = default_unit (k);
|
dt->io_unit = default_unit (k);
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
|
|
if (gfc_match_expr (&e) == MATCH_YES)
|
if (gfc_match_expr (&e) == MATCH_YES)
|
{
|
{
|
if (dt->io_unit != NULL)
|
if (dt->io_unit != NULL)
|
{
|
{
|
gfc_free_expr (e);
|
gfc_free_expr (e);
|
goto conflict;
|
goto conflict;
|
}
|
}
|
|
|
dt->io_unit = e;
|
dt->io_unit = e;
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
|
|
return MATCH_NO;
|
return MATCH_NO;
|
|
|
conflict:
|
conflict:
|
gfc_error ("Duplicate UNIT specification at %C");
|
gfc_error ("Duplicate UNIT specification at %C");
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
|
|
/* Match a format specification. */
|
/* Match a format specification. */
|
|
|
static match
|
static match
|
match_dt_format (gfc_dt *dt)
|
match_dt_format (gfc_dt *dt)
|
{
|
{
|
locus where;
|
locus where;
|
gfc_expr *e;
|
gfc_expr *e;
|
gfc_st_label *label;
|
gfc_st_label *label;
|
match m;
|
match m;
|
|
|
where = gfc_current_locus;
|
where = gfc_current_locus;
|
|
|
if (gfc_match_char ('*') == MATCH_YES)
|
if (gfc_match_char ('*') == MATCH_YES)
|
{
|
{
|
if (dt->format_expr != NULL || dt->format_label != NULL)
|
if (dt->format_expr != NULL || dt->format_label != NULL)
|
goto conflict;
|
goto conflict;
|
|
|
dt->format_label = &format_asterisk;
|
dt->format_label = &format_asterisk;
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
|
|
if ((m = gfc_match_st_label (&label)) == MATCH_YES)
|
if ((m = gfc_match_st_label (&label)) == MATCH_YES)
|
{
|
{
|
if (dt->format_expr != NULL || dt->format_label != NULL)
|
if (dt->format_expr != NULL || dt->format_label != NULL)
|
{
|
{
|
gfc_free_st_label (label);
|
gfc_free_st_label (label);
|
goto conflict;
|
goto conflict;
|
}
|
}
|
|
|
if (gfc_reference_st_label (label, ST_LABEL_FORMAT) == FAILURE)
|
if (gfc_reference_st_label (label, ST_LABEL_FORMAT) == FAILURE)
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
dt->format_label = label;
|
dt->format_label = label;
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
else if (m == MATCH_ERROR)
|
else if (m == MATCH_ERROR)
|
/* The label was zero or too large. Emit the correct diagnosis. */
|
/* The label was zero or too large. Emit the correct diagnosis. */
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
if (gfc_match_expr (&e) == MATCH_YES)
|
if (gfc_match_expr (&e) == MATCH_YES)
|
{
|
{
|
if (dt->format_expr != NULL || dt->format_label != NULL)
|
if (dt->format_expr != NULL || dt->format_label != NULL)
|
{
|
{
|
gfc_free_expr (e);
|
gfc_free_expr (e);
|
goto conflict;
|
goto conflict;
|
}
|
}
|
dt->format_expr = e;
|
dt->format_expr = e;
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
|
|
gfc_current_locus = where; /* The only case where we have to restore */
|
gfc_current_locus = where; /* The only case where we have to restore */
|
|
|
return MATCH_NO;
|
return MATCH_NO;
|
|
|
conflict:
|
conflict:
|
gfc_error ("Duplicate format specification at %C");
|
gfc_error ("Duplicate format specification at %C");
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
|
|
/* Traverse a namelist that is part of a READ statement to make sure
|
/* Traverse a namelist that is part of a READ statement to make sure
|
that none of the variables in the namelist are INTENT(IN). Returns
|
that none of the variables in the namelist are INTENT(IN). Returns
|
nonzero if we find such a variable. */
|
nonzero if we find such a variable. */
|
|
|
static int
|
static int
|
check_namelist (gfc_symbol *sym)
|
check_namelist (gfc_symbol *sym)
|
{
|
{
|
gfc_namelist *p;
|
gfc_namelist *p;
|
|
|
for (p = sym->namelist; p; p = p->next)
|
for (p = sym->namelist; p; p = p->next)
|
if (p->sym->attr.intent == INTENT_IN)
|
if (p->sym->attr.intent == INTENT_IN)
|
{
|
{
|
gfc_error ("Symbol '%s' in namelist '%s' is INTENT(IN) at %C",
|
gfc_error ("Symbol '%s' in namelist '%s' is INTENT(IN) at %C",
|
p->sym->name, sym->name);
|
p->sym->name, sym->name);
|
return 1;
|
return 1;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
|
/* Match a single data transfer element. */
|
/* Match a single data transfer element. */
|
|
|
static match
|
static match
|
match_dt_element (io_kind k, gfc_dt *dt)
|
match_dt_element (io_kind k, gfc_dt *dt)
|
{
|
{
|
char name[GFC_MAX_SYMBOL_LEN + 1];
|
char name[GFC_MAX_SYMBOL_LEN + 1];
|
gfc_symbol *sym;
|
gfc_symbol *sym;
|
match m;
|
match m;
|
|
|
if (gfc_match (" unit =") == MATCH_YES)
|
if (gfc_match (" unit =") == MATCH_YES)
|
{
|
{
|
m = match_dt_unit (k, dt);
|
m = match_dt_unit (k, dt);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
}
|
}
|
|
|
if (gfc_match (" fmt =") == MATCH_YES)
|
if (gfc_match (" fmt =") == MATCH_YES)
|
{
|
{
|
m = match_dt_format (dt);
|
m = match_dt_format (dt);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
}
|
}
|
|
|
if (gfc_match (" nml = %n", name) == MATCH_YES)
|
if (gfc_match (" nml = %n", name) == MATCH_YES)
|
{
|
{
|
if (dt->namelist != NULL)
|
if (dt->namelist != NULL)
|
{
|
{
|
gfc_error ("Duplicate NML specification at %C");
|
gfc_error ("Duplicate NML specification at %C");
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
if (gfc_find_symbol (name, NULL, 1, &sym))
|
if (gfc_find_symbol (name, NULL, 1, &sym))
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
if (sym == NULL || sym->attr.flavor != FL_NAMELIST)
|
if (sym == NULL || sym->attr.flavor != FL_NAMELIST)
|
{
|
{
|
gfc_error ("Symbol '%s' at %C must be a NAMELIST group name",
|
gfc_error ("Symbol '%s' at %C must be a NAMELIST group name",
|
sym != NULL ? sym->name : name);
|
sym != NULL ? sym->name : name);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
dt->namelist = sym;
|
dt->namelist = sym;
|
if (k == M_READ && check_namelist (sym))
|
if (k == M_READ && check_namelist (sym))
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
|
|
m = match_etag (&tag_e_async, &dt->asynchronous);
|
m = match_etag (&tag_e_async, &dt->asynchronous);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_blank, &dt->blank);
|
m = match_etag (&tag_e_blank, &dt->blank);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_delim, &dt->delim);
|
m = match_etag (&tag_e_delim, &dt->delim);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_pad, &dt->pad);
|
m = match_etag (&tag_e_pad, &dt->pad);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_sign, &dt->sign);
|
m = match_etag (&tag_e_sign, &dt->sign);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_round, &dt->round);
|
m = match_etag (&tag_e_round, &dt->round);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_out_tag (&tag_id, &dt->id);
|
m = match_out_tag (&tag_id, &dt->id);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_e_decimal, &dt->decimal);
|
m = match_etag (&tag_e_decimal, &dt->decimal);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_rec, &dt->rec);
|
m = match_etag (&tag_rec, &dt->rec);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_spos, &dt->pos);
|
m = match_etag (&tag_spos, &dt->pos);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_out_tag (&tag_iomsg, &dt->iomsg);
|
m = match_out_tag (&tag_iomsg, &dt->iomsg);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_out_tag (&tag_iostat, &dt->iostat);
|
m = match_out_tag (&tag_iostat, &dt->iostat);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_ltag (&tag_err, &dt->err);
|
m = match_ltag (&tag_err, &dt->err);
|
if (m == MATCH_YES)
|
if (m == MATCH_YES)
|
dt->err_where = gfc_current_locus;
|
dt->err_where = gfc_current_locus;
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_etag (&tag_advance, &dt->advance);
|
m = match_etag (&tag_advance, &dt->advance);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
m = match_out_tag (&tag_size, &dt->size);
|
m = match_out_tag (&tag_size, &dt->size);
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
|
|
m = match_ltag (&tag_end, &dt->end);
|
m = match_ltag (&tag_end, &dt->end);
|
if (m == MATCH_YES)
|
if (m == MATCH_YES)
|
{
|
{
|
if (k == M_WRITE)
|
if (k == M_WRITE)
|
{
|
{
|
gfc_error ("END tag at %C not allowed in output statement");
|
gfc_error ("END tag at %C not allowed in output statement");
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
dt->end_where = gfc_current_locus;
|
dt->end_where = gfc_current_locus;
|
}
|
}
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
|
|
m = match_ltag (&tag_eor, &dt->eor);
|
m = match_ltag (&tag_eor, &dt->eor);
|
if (m == MATCH_YES)
|
if (m == MATCH_YES)
|
dt->eor_where = gfc_current_locus;
|
dt->eor_where = gfc_current_locus;
|
if (m != MATCH_NO)
|
if (m != MATCH_NO)
|
return m;
|
return m;
|
|
|
return MATCH_NO;
|
return MATCH_NO;
|
}
|
}
|
|
|
|
|
/* Free a data transfer structure and everything below it. */
|
/* Free a data transfer structure and everything below it. */
|
|
|
void
|
void
|
gfc_free_dt (gfc_dt *dt)
|
gfc_free_dt (gfc_dt *dt)
|
{
|
{
|
if (dt == NULL)
|
if (dt == NULL)
|
return;
|
return;
|
|
|
gfc_free_expr (dt->io_unit);
|
gfc_free_expr (dt->io_unit);
|
gfc_free_expr (dt->format_expr);
|
gfc_free_expr (dt->format_expr);
|
gfc_free_expr (dt->rec);
|
gfc_free_expr (dt->rec);
|
gfc_free_expr (dt->advance);
|
gfc_free_expr (dt->advance);
|
gfc_free_expr (dt->iomsg);
|
gfc_free_expr (dt->iomsg);
|
gfc_free_expr (dt->iostat);
|
gfc_free_expr (dt->iostat);
|
gfc_free_expr (dt->size);
|
gfc_free_expr (dt->size);
|
gfc_free_expr (dt->pad);
|
gfc_free_expr (dt->pad);
|
gfc_free_expr (dt->delim);
|
gfc_free_expr (dt->delim);
|
gfc_free_expr (dt->sign);
|
gfc_free_expr (dt->sign);
|
gfc_free_expr (dt->round);
|
gfc_free_expr (dt->round);
|
gfc_free_expr (dt->blank);
|
gfc_free_expr (dt->blank);
|
gfc_free_expr (dt->decimal);
|
gfc_free_expr (dt->decimal);
|
gfc_free_expr (dt->extra_comma);
|
gfc_free_expr (dt->extra_comma);
|
gfc_free_expr (dt->pos);
|
gfc_free_expr (dt->pos);
|
gfc_free (dt);
|
gfc_free (dt);
|
}
|
}
|
|
|
|
|
/* Resolve everything in a gfc_dt structure. */
|
/* Resolve everything in a gfc_dt structure. */
|
|
|
gfc_try
|
gfc_try
|
gfc_resolve_dt (gfc_dt *dt, locus *loc)
|
gfc_resolve_dt (gfc_dt *dt, locus *loc)
|
{
|
{
|
gfc_expr *e;
|
gfc_expr *e;
|
|
|
RESOLVE_TAG (&tag_format, dt->format_expr);
|
RESOLVE_TAG (&tag_format, dt->format_expr);
|
RESOLVE_TAG (&tag_rec, dt->rec);
|
RESOLVE_TAG (&tag_rec, dt->rec);
|
RESOLVE_TAG (&tag_spos, dt->pos);
|
RESOLVE_TAG (&tag_spos, dt->pos);
|
RESOLVE_TAG (&tag_advance, dt->advance);
|
RESOLVE_TAG (&tag_advance, dt->advance);
|
RESOLVE_TAG (&tag_id, dt->id);
|
RESOLVE_TAG (&tag_id, dt->id);
|
RESOLVE_TAG (&tag_iomsg, dt->iomsg);
|
RESOLVE_TAG (&tag_iomsg, dt->iomsg);
|
RESOLVE_TAG (&tag_iostat, dt->iostat);
|
RESOLVE_TAG (&tag_iostat, dt->iostat);
|
RESOLVE_TAG (&tag_size, dt->size);
|
RESOLVE_TAG (&tag_size, dt->size);
|
RESOLVE_TAG (&tag_e_pad, dt->pad);
|
RESOLVE_TAG (&tag_e_pad, dt->pad);
|
RESOLVE_TAG (&tag_e_delim, dt->delim);
|
RESOLVE_TAG (&tag_e_delim, dt->delim);
|
RESOLVE_TAG (&tag_e_sign, dt->sign);
|
RESOLVE_TAG (&tag_e_sign, dt->sign);
|
RESOLVE_TAG (&tag_e_round, dt->round);
|
RESOLVE_TAG (&tag_e_round, dt->round);
|
RESOLVE_TAG (&tag_e_blank, dt->blank);
|
RESOLVE_TAG (&tag_e_blank, dt->blank);
|
RESOLVE_TAG (&tag_e_decimal, dt->decimal);
|
RESOLVE_TAG (&tag_e_decimal, dt->decimal);
|
RESOLVE_TAG (&tag_e_async, dt->asynchronous);
|
RESOLVE_TAG (&tag_e_async, dt->asynchronous);
|
|
|
e = dt->io_unit;
|
e = dt->io_unit;
|
if (e == NULL)
|
if (e == NULL)
|
{
|
{
|
gfc_error ("UNIT not specified at %L", loc);
|
gfc_error ("UNIT not specified at %L", loc);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
if (gfc_resolve_expr (e) == SUCCESS
|
if (gfc_resolve_expr (e) == SUCCESS
|
&& (e->ts.type != BT_INTEGER
|
&& (e->ts.type != BT_INTEGER
|
&& (e->ts.type != BT_CHARACTER || e->expr_type != EXPR_VARIABLE)))
|
&& (e->ts.type != BT_CHARACTER || e->expr_type != EXPR_VARIABLE)))
|
{
|
{
|
/* If there is no extra comma signifying the "format" form of the IO
|
/* If there is no extra comma signifying the "format" form of the IO
|
statement, then this must be an error. */
|
statement, then this must be an error. */
|
if (!dt->extra_comma)
|
if (!dt->extra_comma)
|
{
|
{
|
gfc_error ("UNIT specification at %L must be an INTEGER expression "
|
gfc_error ("UNIT specification at %L must be an INTEGER expression "
|
"or a CHARACTER variable", &e->where);
|
"or a CHARACTER variable", &e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* At this point, we have an extra comma. If io_unit has arrived as
|
/* At this point, we have an extra comma. If io_unit has arrived as
|
type character, we assume its really the "format" form of the I/O
|
type character, we assume its really the "format" form of the I/O
|
statement. We set the io_unit to the default unit and format to
|
statement. We set the io_unit to the default unit and format to
|
the character expression. See F95 Standard section 9.4. */
|
the character expression. See F95 Standard section 9.4. */
|
io_kind k;
|
io_kind k;
|
k = dt->extra_comma->value.iokind;
|
k = dt->extra_comma->value.iokind;
|
if (e->ts.type == BT_CHARACTER && (k == M_READ || k == M_PRINT))
|
if (e->ts.type == BT_CHARACTER && (k == M_READ || k == M_PRINT))
|
{
|
{
|
dt->format_expr = dt->io_unit;
|
dt->format_expr = dt->io_unit;
|
dt->io_unit = default_unit (k);
|
dt->io_unit = default_unit (k);
|
|
|
/* Free this pointer now so that a warning/error is not triggered
|
/* Free this pointer now so that a warning/error is not triggered
|
below for the "Extension". */
|
below for the "Extension". */
|
gfc_free_expr (dt->extra_comma);
|
gfc_free_expr (dt->extra_comma);
|
dt->extra_comma = NULL;
|
dt->extra_comma = NULL;
|
}
|
}
|
|
|
if (k == M_WRITE)
|
if (k == M_WRITE)
|
{
|
{
|
gfc_error ("Invalid form of WRITE statement at %L, UNIT required",
|
gfc_error ("Invalid form of WRITE statement at %L, UNIT required",
|
&dt->extra_comma->where);
|
&dt->extra_comma->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (e->ts.type == BT_CHARACTER)
|
if (e->ts.type == BT_CHARACTER)
|
{
|
{
|
if (gfc_has_vector_index (e))
|
if (gfc_has_vector_index (e))
|
{
|
{
|
gfc_error ("Internal unit with vector subscript at %L", &e->where);
|
gfc_error ("Internal unit with vector subscript at %L", &e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
}
|
}
|
|
|
if (e->rank && e->ts.type != BT_CHARACTER)
|
if (e->rank && e->ts.type != BT_CHARACTER)
|
{
|
{
|
gfc_error ("External IO UNIT cannot be an array at %L", &e->where);
|
gfc_error ("External IO UNIT cannot be an array at %L", &e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
if (e->expr_type == EXPR_CONSTANT && e->ts.type == BT_INTEGER
|
if (e->expr_type == EXPR_CONSTANT && e->ts.type == BT_INTEGER
|
&& mpz_sgn (e->value.integer) < 0)
|
&& mpz_sgn (e->value.integer) < 0)
|
{
|
{
|
gfc_error ("UNIT number in statement at %L must be non-negative", &e->where);
|
gfc_error ("UNIT number in statement at %L must be non-negative", &e->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
|
|
if (dt->extra_comma
|
if (dt->extra_comma
|
&& gfc_notify_std (GFC_STD_GNU, "Extension: Comma before i/o "
|
&& gfc_notify_std (GFC_STD_GNU, "Extension: Comma before i/o "
|
"item list at %L", &dt->extra_comma->where) == FAILURE)
|
"item list at %L", &dt->extra_comma->where) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
|
|
if (dt->err)
|
if (dt->err)
|
{
|
{
|
if (gfc_reference_st_label (dt->err, ST_LABEL_TARGET) == FAILURE)
|
if (gfc_reference_st_label (dt->err, ST_LABEL_TARGET) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
if (dt->err->defined == ST_LABEL_UNKNOWN)
|
if (dt->err->defined == ST_LABEL_UNKNOWN)
|
{
|
{
|
gfc_error ("ERR tag label %d at %L not defined",
|
gfc_error ("ERR tag label %d at %L not defined",
|
dt->err->value, &dt->err_where);
|
dt->err->value, &dt->err_where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
}
|
}
|
|
|
if (dt->end)
|
if (dt->end)
|
{
|
{
|
if (gfc_reference_st_label (dt->end, ST_LABEL_TARGET) == FAILURE)
|
if (gfc_reference_st_label (dt->end, ST_LABEL_TARGET) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
if (dt->end->defined == ST_LABEL_UNKNOWN)
|
if (dt->end->defined == ST_LABEL_UNKNOWN)
|
{
|
{
|
gfc_error ("END tag label %d at %L not defined",
|
gfc_error ("END tag label %d at %L not defined",
|
dt->end->value, &dt->end_where);
|
dt->end->value, &dt->end_where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
}
|
}
|
|
|
if (dt->eor)
|
if (dt->eor)
|
{
|
{
|
if (gfc_reference_st_label (dt->eor, ST_LABEL_TARGET) == FAILURE)
|
if (gfc_reference_st_label (dt->eor, ST_LABEL_TARGET) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
if (dt->eor->defined == ST_LABEL_UNKNOWN)
|
if (dt->eor->defined == ST_LABEL_UNKNOWN)
|
{
|
{
|
gfc_error ("EOR tag label %d at %L not defined",
|
gfc_error ("EOR tag label %d at %L not defined",
|
dt->eor->value, &dt->eor_where);
|
dt->eor->value, &dt->eor_where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
}
|
}
|
|
|
/* Check the format label actually exists. */
|
/* Check the format label actually exists. */
|
if (dt->format_label && dt->format_label != &format_asterisk
|
if (dt->format_label && dt->format_label != &format_asterisk
|
&& dt->format_label->defined == ST_LABEL_UNKNOWN)
|
&& dt->format_label->defined == ST_LABEL_UNKNOWN)
|
{
|
{
|
gfc_error ("FORMAT label %d at %L not defined", dt->format_label->value,
|
gfc_error ("FORMAT label %d at %L not defined", dt->format_label->value,
|
&dt->format_label->where);
|
&dt->format_label->where);
|
return FAILURE;
|
return FAILURE;
|
}
|
}
|
return SUCCESS;
|
return SUCCESS;
|
}
|
}
|
|
|
|
|
/* Given an io_kind, return its name. */
|
/* Given an io_kind, return its name. */
|
|
|
static const char *
|
static const char *
|
io_kind_name (io_kind k)
|
io_kind_name (io_kind k)
|
{
|
{
|
const char *name;
|
const char *name;
|
|
|
switch (k)
|
switch (k)
|
{
|
{
|
case M_READ:
|
case M_READ:
|
name = "READ";
|
name = "READ";
|
break;
|
break;
|
case M_WRITE:
|
case M_WRITE:
|
name = "WRITE";
|
name = "WRITE";
|
break;
|
break;
|
case M_PRINT:
|
case M_PRINT:
|
name = "PRINT";
|
name = "PRINT";
|
break;
|
break;
|
case M_INQUIRE:
|
case M_INQUIRE:
|
name = "INQUIRE";
|
name = "INQUIRE";
|
break;
|
break;
|
default:
|
default:
|
gfc_internal_error ("io_kind_name(): bad I/O-kind");
|
gfc_internal_error ("io_kind_name(): bad I/O-kind");
|
}
|
}
|
|
|
return name;
|
return name;
|
}
|
}
|
|
|
|
|
/* Match an IO iteration statement of the form:
|
/* Match an IO iteration statement of the form:
|
|
|
( [<IO element> ,] <IO element>, I = <expr>, <expr> [, <expr> ] )
|
( [<IO element> ,] <IO element>, I = <expr>, <expr> [, <expr> ] )
|
|
|
which is equivalent to a single IO element. This function is
|
which is equivalent to a single IO element. This function is
|
mutually recursive with match_io_element(). */
|
mutually recursive with match_io_element(). */
|
|
|
static match match_io_element (io_kind, gfc_code **);
|
static match match_io_element (io_kind, gfc_code **);
|
|
|
static match
|
static match
|
match_io_iterator (io_kind k, gfc_code **result)
|
match_io_iterator (io_kind k, gfc_code **result)
|
{
|
{
|
gfc_code *head, *tail, *new_code;
|
gfc_code *head, *tail, *new_code;
|
gfc_iterator *iter;
|
gfc_iterator *iter;
|
locus old_loc;
|
locus old_loc;
|
match m;
|
match m;
|
int n;
|
int n;
|
|
|
iter = NULL;
|
iter = NULL;
|
head = NULL;
|
head = NULL;
|
old_loc = gfc_current_locus;
|
old_loc = gfc_current_locus;
|
|
|
if (gfc_match_char ('(') != MATCH_YES)
|
if (gfc_match_char ('(') != MATCH_YES)
|
return MATCH_NO;
|
return MATCH_NO;
|
|
|
m = match_io_element (k, &head);
|
m = match_io_element (k, &head);
|
tail = head;
|
tail = head;
|
|
|
if (m != MATCH_YES || gfc_match_char (',') != MATCH_YES)
|
if (m != MATCH_YES || gfc_match_char (',') != MATCH_YES)
|
{
|
{
|
m = MATCH_NO;
|
m = MATCH_NO;
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
/* Can't be anything but an IO iterator. Build a list. */
|
/* Can't be anything but an IO iterator. Build a list. */
|
iter = gfc_get_iterator ();
|
iter = gfc_get_iterator ();
|
|
|
for (n = 1;; n++)
|
for (n = 1;; n++)
|
{
|
{
|
m = gfc_match_iterator (iter, 0);
|
m = gfc_match_iterator (iter, 0);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_YES)
|
if (m == MATCH_YES)
|
{
|
{
|
gfc_check_do_variable (iter->var->symtree);
|
gfc_check_do_variable (iter->var->symtree);
|
break;
|
break;
|
}
|
}
|
|
|
m = match_io_element (k, &new_code);
|
m = match_io_element (k, &new_code);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
{
|
{
|
if (n > 2)
|
if (n > 2)
|
goto syntax;
|
goto syntax;
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
tail = gfc_append_code (tail, new_code);
|
tail = gfc_append_code (tail, new_code);
|
|
|
if (gfc_match_char (',') != MATCH_YES)
|
if (gfc_match_char (',') != MATCH_YES)
|
{
|
{
|
if (n > 2)
|
if (n > 2)
|
goto syntax;
|
goto syntax;
|
m = MATCH_NO;
|
m = MATCH_NO;
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
}
|
}
|
|
|
if (gfc_match_char (')') != MATCH_YES)
|
if (gfc_match_char (')') != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
|
|
new_code = gfc_get_code ();
|
new_code = gfc_get_code ();
|
new_code->op = EXEC_DO;
|
new_code->op = EXEC_DO;
|
new_code->ext.iterator = iter;
|
new_code->ext.iterator = iter;
|
|
|
new_code->block = gfc_get_code ();
|
new_code->block = gfc_get_code ();
|
new_code->block->op = EXEC_DO;
|
new_code->block->op = EXEC_DO;
|
new_code->block->next = head;
|
new_code->block->next = head;
|
|
|
*result = new_code;
|
*result = new_code;
|
return MATCH_YES;
|
return MATCH_YES;
|
|
|
syntax:
|
syntax:
|
gfc_error ("Syntax error in I/O iterator at %C");
|
gfc_error ("Syntax error in I/O iterator at %C");
|
m = MATCH_ERROR;
|
m = MATCH_ERROR;
|
|
|
cleanup:
|
cleanup:
|
gfc_free_iterator (iter, 1);
|
gfc_free_iterator (iter, 1);
|
gfc_free_statements (head);
|
gfc_free_statements (head);
|
gfc_current_locus = old_loc;
|
gfc_current_locus = old_loc;
|
return m;
|
return m;
|
}
|
}
|
|
|
|
|
/* Match a single element of an IO list, which is either a single
|
/* Match a single element of an IO list, which is either a single
|
expression or an IO Iterator. */
|
expression or an IO Iterator. */
|
|
|
static match
|
static match
|
match_io_element (io_kind k, gfc_code **cpp)
|
match_io_element (io_kind k, gfc_code **cpp)
|
{
|
{
|
gfc_expr *expr;
|
gfc_expr *expr;
|
gfc_code *cp;
|
gfc_code *cp;
|
match m;
|
match m;
|
|
|
expr = NULL;
|
expr = NULL;
|
|
|
m = match_io_iterator (k, cpp);
|
m = match_io_iterator (k, cpp);
|
if (m == MATCH_YES)
|
if (m == MATCH_YES)
|
return MATCH_YES;
|
return MATCH_YES;
|
|
|
if (k == M_READ)
|
if (k == M_READ)
|
{
|
{
|
m = gfc_match_variable (&expr, 0);
|
m = gfc_match_variable (&expr, 0);
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
gfc_error ("Expected variable in READ statement at %C");
|
gfc_error ("Expected variable in READ statement at %C");
|
}
|
}
|
else
|
else
|
{
|
{
|
m = gfc_match_expr (&expr);
|
m = gfc_match_expr (&expr);
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
gfc_error ("Expected expression in %s statement at %C",
|
gfc_error ("Expected expression in %s statement at %C",
|
io_kind_name (k));
|
io_kind_name (k));
|
}
|
}
|
|
|
if (m == MATCH_YES)
|
if (m == MATCH_YES)
|
switch (k)
|
switch (k)
|
{
|
{
|
case M_READ:
|
case M_READ:
|
if (expr->symtree->n.sym->attr.intent == INTENT_IN)
|
if (expr->symtree->n.sym->attr.intent == INTENT_IN)
|
{
|
{
|
gfc_error ("Variable '%s' in input list at %C cannot be "
|
gfc_error ("Variable '%s' in input list at %C cannot be "
|
"INTENT(IN)", expr->symtree->n.sym->name);
|
"INTENT(IN)", expr->symtree->n.sym->name);
|
m = MATCH_ERROR;
|
m = MATCH_ERROR;
|
}
|
}
|
|
|
if (gfc_pure (NULL)
|
if (gfc_pure (NULL)
|
&& gfc_impure_variable (expr->symtree->n.sym)
|
&& gfc_impure_variable (expr->symtree->n.sym)
|
&& current_dt->io_unit
|
&& current_dt->io_unit
|
&& current_dt->io_unit->ts.type == BT_CHARACTER)
|
&& current_dt->io_unit->ts.type == BT_CHARACTER)
|
{
|
{
|
gfc_error ("Cannot read to variable '%s' in PURE procedure at %C",
|
gfc_error ("Cannot read to variable '%s' in PURE procedure at %C",
|
expr->symtree->n.sym->name);
|
expr->symtree->n.sym->name);
|
m = MATCH_ERROR;
|
m = MATCH_ERROR;
|
}
|
}
|
|
|
if (gfc_check_do_variable (expr->symtree))
|
if (gfc_check_do_variable (expr->symtree))
|
m = MATCH_ERROR;
|
m = MATCH_ERROR;
|
|
|
break;
|
break;
|
|
|
case M_WRITE:
|
case M_WRITE:
|
if (current_dt->io_unit
|
if (current_dt->io_unit
|
&& current_dt->io_unit->ts.type == BT_CHARACTER
|
&& current_dt->io_unit->ts.type == BT_CHARACTER
|
&& gfc_pure (NULL)
|
&& gfc_pure (NULL)
|
&& current_dt->io_unit->expr_type == EXPR_VARIABLE
|
&& current_dt->io_unit->expr_type == EXPR_VARIABLE
|
&& gfc_impure_variable (current_dt->io_unit->symtree->n.sym))
|
&& gfc_impure_variable (current_dt->io_unit->symtree->n.sym))
|
{
|
{
|
gfc_error ("Cannot write to internal file unit '%s' at %C "
|
gfc_error ("Cannot write to internal file unit '%s' at %C "
|
"inside a PURE procedure",
|
"inside a PURE procedure",
|
current_dt->io_unit->symtree->n.sym->name);
|
current_dt->io_unit->symtree->n.sym->name);
|
m = MATCH_ERROR;
|
m = MATCH_ERROR;
|
}
|
}
|
|
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
|
|
if (m != MATCH_YES)
|
if (m != MATCH_YES)
|
{
|
{
|
gfc_free_expr (expr);
|
gfc_free_expr (expr);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
cp = gfc_get_code ();
|
cp = gfc_get_code ();
|
cp->op = EXEC_TRANSFER;
|
cp->op = EXEC_TRANSFER;
|
cp->expr1 = expr;
|
cp->expr1 = expr;
|
|
|
*cpp = cp;
|
*cpp = cp;
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
|
|
|
|
/* Match an I/O list, building gfc_code structures as we go. */
|
/* Match an I/O list, building gfc_code structures as we go. */
|
|
|
static match
|
static match
|
match_io_list (io_kind k, gfc_code **head_p)
|
match_io_list (io_kind k, gfc_code **head_p)
|
{
|
{
|
gfc_code *head, *tail, *new_code;
|
gfc_code *head, *tail, *new_code;
|
match m;
|
match m;
|
|
|
*head_p = head = tail = NULL;
|
*head_p = head = tail = NULL;
|
if (gfc_match_eos () == MATCH_YES)
|
if (gfc_match_eos () == MATCH_YES)
|
return MATCH_YES;
|
return MATCH_YES;
|
|
|
for (;;)
|
for (;;)
|
{
|
{
|
m = match_io_element (k, &new_code);
|
m = match_io_element (k, &new_code);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
|
|
tail = gfc_append_code (tail, new_code);
|
tail = gfc_append_code (tail, new_code);
|
if (head == NULL)
|
if (head == NULL)
|
head = new_code;
|
head = new_code;
|
|
|
if (gfc_match_eos () == MATCH_YES)
|
if (gfc_match_eos () == MATCH_YES)
|
break;
|
break;
|
if (gfc_match_char (',') != MATCH_YES)
|
if (gfc_match_char (',') != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
*head_p = head;
|
*head_p = head;
|
return MATCH_YES;
|
return MATCH_YES;
|
|
|
syntax:
|
syntax:
|
gfc_error ("Syntax error in %s statement at %C", io_kind_name (k));
|
gfc_error ("Syntax error in %s statement at %C", io_kind_name (k));
|
|
|
cleanup:
|
cleanup:
|
gfc_free_statements (head);
|
gfc_free_statements (head);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
|
|
/* Attach the data transfer end node. */
|
/* Attach the data transfer end node. */
|
|
|
static void
|
static void
|
terminate_io (gfc_code *io_code)
|
terminate_io (gfc_code *io_code)
|
{
|
{
|
gfc_code *c;
|
gfc_code *c;
|
|
|
if (io_code == NULL)
|
if (io_code == NULL)
|
io_code = new_st.block;
|
io_code = new_st.block;
|
|
|
c = gfc_get_code ();
|
c = gfc_get_code ();
|
c->op = EXEC_DT_END;
|
c->op = EXEC_DT_END;
|
|
|
/* Point to structure that is already there */
|
/* Point to structure that is already there */
|
c->ext.dt = new_st.ext.dt;
|
c->ext.dt = new_st.ext.dt;
|
gfc_append_code (io_code, c);
|
gfc_append_code (io_code, c);
|
}
|
}
|
|
|
|
|
/* Check the constraints for a data transfer statement. The majority of the
|
/* Check the constraints for a data transfer statement. The majority of the
|
constraints appearing in 9.4 of the standard appear here. Some are handled
|
constraints appearing in 9.4 of the standard appear here. Some are handled
|
in resolve_tag and others in gfc_resolve_dt. */
|
in resolve_tag and others in gfc_resolve_dt. */
|
|
|
static match
|
static match
|
check_io_constraints (io_kind k, gfc_dt *dt, gfc_code *io_code,
|
check_io_constraints (io_kind k, gfc_dt *dt, gfc_code *io_code,
|
locus *spec_end)
|
locus *spec_end)
|
{
|
{
|
#define io_constraint(condition,msg,arg)\
|
#define io_constraint(condition,msg,arg)\
|
if (condition) \
|
if (condition) \
|
{\
|
{\
|
gfc_error(msg,arg);\
|
gfc_error(msg,arg);\
|
m = MATCH_ERROR;\
|
m = MATCH_ERROR;\
|
}
|
}
|
|
|
match m;
|
match m;
|
gfc_expr *expr;
|
gfc_expr *expr;
|
gfc_symbol *sym = NULL;
|
gfc_symbol *sym = NULL;
|
bool warn, unformatted;
|
bool warn, unformatted;
|
|
|
warn = (dt->err || dt->iostat) ? true : false;
|
warn = (dt->err || dt->iostat) ? true : false;
|
unformatted = dt->format_expr == NULL && dt->format_label == NULL
|
unformatted = dt->format_expr == NULL && dt->format_label == NULL
|
&& dt->namelist == NULL;
|
&& dt->namelist == NULL;
|
|
|
m = MATCH_YES;
|
m = MATCH_YES;
|
|
|
expr = dt->io_unit;
|
expr = dt->io_unit;
|
if (expr && expr->expr_type == EXPR_VARIABLE
|
if (expr && expr->expr_type == EXPR_VARIABLE
|
&& expr->ts.type == BT_CHARACTER)
|
&& expr->ts.type == BT_CHARACTER)
|
{
|
{
|
sym = expr->symtree->n.sym;
|
sym = expr->symtree->n.sym;
|
|
|
io_constraint (k == M_WRITE && sym->attr.intent == INTENT_IN,
|
io_constraint (k == M_WRITE && sym->attr.intent == INTENT_IN,
|
"Internal file at %L must not be INTENT(IN)",
|
"Internal file at %L must not be INTENT(IN)",
|
&expr->where);
|
&expr->where);
|
|
|
io_constraint (gfc_has_vector_index (dt->io_unit),
|
io_constraint (gfc_has_vector_index (dt->io_unit),
|
"Internal file incompatible with vector subscript at %L",
|
"Internal file incompatible with vector subscript at %L",
|
&expr->where);
|
&expr->where);
|
|
|
io_constraint (dt->rec != NULL,
|
io_constraint (dt->rec != NULL,
|
"REC tag at %L is incompatible with internal file",
|
"REC tag at %L is incompatible with internal file",
|
&dt->rec->where);
|
&dt->rec->where);
|
|
|
io_constraint (dt->pos != NULL,
|
io_constraint (dt->pos != NULL,
|
"POS tag at %L is incompatible with internal file",
|
"POS tag at %L is incompatible with internal file",
|
&dt->pos->where);
|
&dt->pos->where);
|
|
|
io_constraint (unformatted,
|
io_constraint (unformatted,
|
"Unformatted I/O not allowed with internal unit at %L",
|
"Unformatted I/O not allowed with internal unit at %L",
|
&dt->io_unit->where);
|
&dt->io_unit->where);
|
|
|
io_constraint (dt->asynchronous != NULL,
|
io_constraint (dt->asynchronous != NULL,
|
"ASYNCHRONOUS tag at %L not allowed with internal file",
|
"ASYNCHRONOUS tag at %L not allowed with internal file",
|
&dt->asynchronous->where);
|
&dt->asynchronous->where);
|
|
|
if (dt->namelist != NULL)
|
if (dt->namelist != NULL)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: Internal file "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: Internal file "
|
"at %L with namelist", &expr->where)
|
"at %L with namelist", &expr->where)
|
== FAILURE)
|
== FAILURE)
|
m = MATCH_ERROR;
|
m = MATCH_ERROR;
|
}
|
}
|
|
|
io_constraint (dt->advance != NULL,
|
io_constraint (dt->advance != NULL,
|
"ADVANCE tag at %L is incompatible with internal file",
|
"ADVANCE tag at %L is incompatible with internal file",
|
&dt->advance->where);
|
&dt->advance->where);
|
}
|
}
|
|
|
if (expr && expr->ts.type != BT_CHARACTER)
|
if (expr && expr->ts.type != BT_CHARACTER)
|
{
|
{
|
|
|
io_constraint (gfc_pure (NULL) && (k == M_READ || k == M_WRITE),
|
io_constraint (gfc_pure (NULL) && (k == M_READ || k == M_WRITE),
|
"IO UNIT in %s statement at %C must be "
|
"IO UNIT in %s statement at %C must be "
|
"an internal file in a PURE procedure",
|
"an internal file in a PURE procedure",
|
io_kind_name (k));
|
io_kind_name (k));
|
}
|
}
|
|
|
if (k != M_READ)
|
if (k != M_READ)
|
{
|
{
|
io_constraint (dt->end, "END tag not allowed with output at %L",
|
io_constraint (dt->end, "END tag not allowed with output at %L",
|
&dt->end_where);
|
&dt->end_where);
|
|
|
io_constraint (dt->eor, "EOR tag not allowed with output at %L",
|
io_constraint (dt->eor, "EOR tag not allowed with output at %L",
|
&dt->eor_where);
|
&dt->eor_where);
|
|
|
io_constraint (dt->blank, "BLANK= specifier not allowed with output at %L",
|
io_constraint (dt->blank, "BLANK= specifier not allowed with output at %L",
|
&dt->blank->where);
|
&dt->blank->where);
|
|
|
io_constraint (dt->pad, "PAD= specifier not allowed with output at %L",
|
io_constraint (dt->pad, "PAD= specifier not allowed with output at %L",
|
&dt->pad->where);
|
&dt->pad->where);
|
|
|
io_constraint (dt->size, "SIZE= specifier not allowed with output at %L",
|
io_constraint (dt->size, "SIZE= specifier not allowed with output at %L",
|
&dt->size->where);
|
&dt->size->where);
|
}
|
}
|
else
|
else
|
{
|
{
|
io_constraint (dt->size && dt->advance == NULL,
|
io_constraint (dt->size && dt->advance == NULL,
|
"SIZE tag at %L requires an ADVANCE tag",
|
"SIZE tag at %L requires an ADVANCE tag",
|
&dt->size->where);
|
&dt->size->where);
|
|
|
io_constraint (dt->eor && dt->advance == NULL,
|
io_constraint (dt->eor && dt->advance == NULL,
|
"EOR tag at %L requires an ADVANCE tag",
|
"EOR tag at %L requires an ADVANCE tag",
|
&dt->eor_where);
|
&dt->eor_where);
|
}
|
}
|
|
|
if (dt->asynchronous)
|
if (dt->asynchronous)
|
{
|
{
|
static const char * asynchronous[] = { "YES", "NO", NULL };
|
static const char * asynchronous[] = { "YES", "NO", NULL };
|
|
|
if (gfc_reduce_init_expr (dt->asynchronous) != SUCCESS)
|
if (gfc_reduce_init_expr (dt->asynchronous) != SUCCESS)
|
{
|
{
|
gfc_error ("ASYNCHRONOUS= specifier at %L must be an initialization "
|
gfc_error ("ASYNCHRONOUS= specifier at %L must be an initialization "
|
"expression", &dt->asynchronous->where);
|
"expression", &dt->asynchronous->where);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
if (!compare_to_allowed_values
|
if (!compare_to_allowed_values
|
("ASYNCHRONOUS", asynchronous, NULL, NULL,
|
("ASYNCHRONOUS", asynchronous, NULL, NULL,
|
dt->asynchronous->value.character.string,
|
dt->asynchronous->value.character.string,
|
io_kind_name (k), warn))
|
io_kind_name (k), warn))
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
if (dt->id)
|
if (dt->id)
|
{
|
{
|
bool not_yes
|
bool not_yes
|
= !dt->asynchronous
|
= !dt->asynchronous
|
|| gfc_wide_strlen (dt->asynchronous->value.character.string) != 3
|
|| gfc_wide_strlen (dt->asynchronous->value.character.string) != 3
|
|| gfc_wide_strncasecmp (dt->asynchronous->value.character.string,
|
|| gfc_wide_strncasecmp (dt->asynchronous->value.character.string,
|
"yes", 3) != 0;
|
"yes", 3) != 0;
|
io_constraint (not_yes,
|
io_constraint (not_yes,
|
"ID= specifier at %L must be with ASYNCHRONOUS='yes' "
|
"ID= specifier at %L must be with ASYNCHRONOUS='yes' "
|
"specifier", &dt->id->where);
|
"specifier", &dt->id->where);
|
}
|
}
|
|
|
if (dt->decimal)
|
if (dt->decimal)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DECIMAL= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DECIMAL= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
if (dt->decimal->expr_type == EXPR_CONSTANT)
|
if (dt->decimal->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char * decimal[] = { "COMMA", "POINT", NULL };
|
static const char * decimal[] = { "COMMA", "POINT", NULL };
|
|
|
if (!compare_to_allowed_values ("DECIMAL", decimal, NULL, NULL,
|
if (!compare_to_allowed_values ("DECIMAL", decimal, NULL, NULL,
|
dt->decimal->value.character.string,
|
dt->decimal->value.character.string,
|
io_kind_name (k), warn))
|
io_kind_name (k), warn))
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
io_constraint (unformatted,
|
io_constraint (unformatted,
|
"the DECIMAL= specifier at %L must be with an "
|
"the DECIMAL= specifier at %L must be with an "
|
"explicit format expression", &dt->decimal->where);
|
"explicit format expression", &dt->decimal->where);
|
}
|
}
|
}
|
}
|
|
|
if (dt->blank)
|
if (dt->blank)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: BLANK= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: BLANK= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
if (dt->blank->expr_type == EXPR_CONSTANT)
|
if (dt->blank->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char * blank[] = { "NULL", "ZERO", NULL };
|
static const char * blank[] = { "NULL", "ZERO", NULL };
|
|
|
if (!compare_to_allowed_values ("BLANK", blank, NULL, NULL,
|
if (!compare_to_allowed_values ("BLANK", blank, NULL, NULL,
|
dt->blank->value.character.string,
|
dt->blank->value.character.string,
|
io_kind_name (k), warn))
|
io_kind_name (k), warn))
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
io_constraint (unformatted,
|
io_constraint (unformatted,
|
"the BLANK= specifier at %L must be with an "
|
"the BLANK= specifier at %L must be with an "
|
"explicit format expression", &dt->blank->where);
|
"explicit format expression", &dt->blank->where);
|
}
|
}
|
}
|
}
|
|
|
if (dt->pad)
|
if (dt->pad)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: PAD= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: PAD= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
if (dt->pad->expr_type == EXPR_CONSTANT)
|
if (dt->pad->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char * pad[] = { "YES", "NO", NULL };
|
static const char * pad[] = { "YES", "NO", NULL };
|
|
|
if (!compare_to_allowed_values ("PAD", pad, NULL, NULL,
|
if (!compare_to_allowed_values ("PAD", pad, NULL, NULL,
|
dt->pad->value.character.string,
|
dt->pad->value.character.string,
|
io_kind_name (k), warn))
|
io_kind_name (k), warn))
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
io_constraint (unformatted,
|
io_constraint (unformatted,
|
"the PAD= specifier at %L must be with an "
|
"the PAD= specifier at %L must be with an "
|
"explicit format expression", &dt->pad->where);
|
"explicit format expression", &dt->pad->where);
|
}
|
}
|
}
|
}
|
|
|
if (dt->round)
|
if (dt->round)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: ROUND= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: ROUND= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
if (dt->round->expr_type == EXPR_CONSTANT)
|
if (dt->round->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char * round[] = { "UP", "DOWN", "ZERO", "NEAREST",
|
static const char * round[] = { "UP", "DOWN", "ZERO", "NEAREST",
|
"COMPATIBLE", "PROCESSOR_DEFINED",
|
"COMPATIBLE", "PROCESSOR_DEFINED",
|
NULL };
|
NULL };
|
|
|
if (!compare_to_allowed_values ("ROUND", round, NULL, NULL,
|
if (!compare_to_allowed_values ("ROUND", round, NULL, NULL,
|
dt->round->value.character.string,
|
dt->round->value.character.string,
|
io_kind_name (k), warn))
|
io_kind_name (k), warn))
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
}
|
}
|
|
|
if (dt->sign)
|
if (dt->sign)
|
{
|
{
|
/* When implemented, change the following to use gfc_notify_std F2003.
|
/* When implemented, change the following to use gfc_notify_std F2003.
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: SIGN= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: SIGN= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
return MATCH_ERROR; */
|
return MATCH_ERROR; */
|
if (dt->sign->expr_type == EXPR_CONSTANT)
|
if (dt->sign->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char * sign[] = { "PLUS", "SUPPRESS", "PROCESSOR_DEFINED",
|
static const char * sign[] = { "PLUS", "SUPPRESS", "PROCESSOR_DEFINED",
|
NULL };
|
NULL };
|
|
|
if (!compare_to_allowed_values ("SIGN", sign, NULL, NULL,
|
if (!compare_to_allowed_values ("SIGN", sign, NULL, NULL,
|
dt->sign->value.character.string,
|
dt->sign->value.character.string,
|
io_kind_name (k), warn))
|
io_kind_name (k), warn))
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
io_constraint (unformatted,
|
io_constraint (unformatted,
|
"SIGN= specifier at %L must be with an "
|
"SIGN= specifier at %L must be with an "
|
"explicit format expression", &dt->sign->where);
|
"explicit format expression", &dt->sign->where);
|
|
|
io_constraint (k == M_READ,
|
io_constraint (k == M_READ,
|
"SIGN= specifier at %L not allowed in a "
|
"SIGN= specifier at %L not allowed in a "
|
"READ statement", &dt->sign->where);
|
"READ statement", &dt->sign->where);
|
}
|
}
|
}
|
}
|
|
|
if (dt->delim)
|
if (dt->delim)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DELIM= at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: DELIM= at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
if (dt->delim->expr_type == EXPR_CONSTANT)
|
if (dt->delim->expr_type == EXPR_CONSTANT)
|
{
|
{
|
static const char *delim[] = { "APOSTROPHE", "QUOTE", "NONE", NULL };
|
static const char *delim[] = { "APOSTROPHE", "QUOTE", "NONE", NULL };
|
|
|
if (!compare_to_allowed_values ("DELIM", delim, NULL, NULL,
|
if (!compare_to_allowed_values ("DELIM", delim, NULL, NULL,
|
dt->delim->value.character.string,
|
dt->delim->value.character.string,
|
io_kind_name (k), warn))
|
io_kind_name (k), warn))
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
io_constraint (k == M_READ,
|
io_constraint (k == M_READ,
|
"DELIM= specifier at %L not allowed in a "
|
"DELIM= specifier at %L not allowed in a "
|
"READ statement", &dt->delim->where);
|
"READ statement", &dt->delim->where);
|
|
|
io_constraint (dt->format_label != &format_asterisk
|
io_constraint (dt->format_label != &format_asterisk
|
&& dt->namelist == NULL,
|
&& dt->namelist == NULL,
|
"DELIM= specifier at %L must have FMT=*",
|
"DELIM= specifier at %L must have FMT=*",
|
&dt->delim->where);
|
&dt->delim->where);
|
|
|
io_constraint (unformatted && dt->namelist == NULL,
|
io_constraint (unformatted && dt->namelist == NULL,
|
"DELIM= specifier at %L must be with FMT=* or "
|
"DELIM= specifier at %L must be with FMT=* or "
|
"NML= specifier ", &dt->delim->where);
|
"NML= specifier ", &dt->delim->where);
|
}
|
}
|
}
|
}
|
|
|
if (dt->namelist)
|
if (dt->namelist)
|
{
|
{
|
io_constraint (io_code && dt->namelist,
|
io_constraint (io_code && dt->namelist,
|
"NAMELIST cannot be followed by IO-list at %L",
|
"NAMELIST cannot be followed by IO-list at %L",
|
&io_code->loc);
|
&io_code->loc);
|
|
|
io_constraint (dt->format_expr,
|
io_constraint (dt->format_expr,
|
"IO spec-list cannot contain both NAMELIST group name "
|
"IO spec-list cannot contain both NAMELIST group name "
|
"and format specification at %L",
|
"and format specification at %L",
|
&dt->format_expr->where);
|
&dt->format_expr->where);
|
|
|
io_constraint (dt->format_label,
|
io_constraint (dt->format_label,
|
"IO spec-list cannot contain both NAMELIST group name "
|
"IO spec-list cannot contain both NAMELIST group name "
|
"and format label at %L", spec_end);
|
"and format label at %L", spec_end);
|
|
|
io_constraint (dt->rec,
|
io_constraint (dt->rec,
|
"NAMELIST IO is not allowed with a REC= specifier "
|
"NAMELIST IO is not allowed with a REC= specifier "
|
"at %L", &dt->rec->where);
|
"at %L", &dt->rec->where);
|
|
|
io_constraint (dt->advance,
|
io_constraint (dt->advance,
|
"NAMELIST IO is not allowed with a ADVANCE= specifier "
|
"NAMELIST IO is not allowed with a ADVANCE= specifier "
|
"at %L", &dt->advance->where);
|
"at %L", &dt->advance->where);
|
}
|
}
|
|
|
if (dt->rec)
|
if (dt->rec)
|
{
|
{
|
io_constraint (dt->end,
|
io_constraint (dt->end,
|
"An END tag is not allowed with a "
|
"An END tag is not allowed with a "
|
"REC= specifier at %L", &dt->end_where);
|
"REC= specifier at %L", &dt->end_where);
|
|
|
io_constraint (dt->format_label == &format_asterisk,
|
io_constraint (dt->format_label == &format_asterisk,
|
"FMT=* is not allowed with a REC= specifier "
|
"FMT=* is not allowed with a REC= specifier "
|
"at %L", spec_end);
|
"at %L", spec_end);
|
|
|
io_constraint (dt->pos,
|
io_constraint (dt->pos,
|
"POS= is not allowed with REC= specifier "
|
"POS= is not allowed with REC= specifier "
|
"at %L", &dt->pos->where);
|
"at %L", &dt->pos->where);
|
}
|
}
|
|
|
if (dt->advance)
|
if (dt->advance)
|
{
|
{
|
int not_yes, not_no;
|
int not_yes, not_no;
|
expr = dt->advance;
|
expr = dt->advance;
|
|
|
io_constraint (dt->format_label == &format_asterisk,
|
io_constraint (dt->format_label == &format_asterisk,
|
"List directed format(*) is not allowed with a "
|
"List directed format(*) is not allowed with a "
|
"ADVANCE= specifier at %L.", &expr->where);
|
"ADVANCE= specifier at %L.", &expr->where);
|
|
|
io_constraint (unformatted,
|
io_constraint (unformatted,
|
"the ADVANCE= specifier at %L must appear with an "
|
"the ADVANCE= specifier at %L must appear with an "
|
"explicit format expression", &expr->where);
|
"explicit format expression", &expr->where);
|
|
|
if (expr->expr_type == EXPR_CONSTANT && expr->ts.type == BT_CHARACTER)
|
if (expr->expr_type == EXPR_CONSTANT && expr->ts.type == BT_CHARACTER)
|
{
|
{
|
const gfc_char_t *advance = expr->value.character.string;
|
const gfc_char_t *advance = expr->value.character.string;
|
not_no = gfc_wide_strlen (advance) != 2
|
not_no = gfc_wide_strlen (advance) != 2
|
|| gfc_wide_strncasecmp (advance, "no", 2) != 0;
|
|| gfc_wide_strncasecmp (advance, "no", 2) != 0;
|
not_yes = gfc_wide_strlen (advance) != 3
|
not_yes = gfc_wide_strlen (advance) != 3
|
|| gfc_wide_strncasecmp (advance, "yes", 3) != 0;
|
|| gfc_wide_strncasecmp (advance, "yes", 3) != 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
not_no = 0;
|
not_no = 0;
|
not_yes = 0;
|
not_yes = 0;
|
}
|
}
|
|
|
io_constraint (not_no && not_yes,
|
io_constraint (not_no && not_yes,
|
"ADVANCE= specifier at %L must have value = "
|
"ADVANCE= specifier at %L must have value = "
|
"YES or NO.", &expr->where);
|
"YES or NO.", &expr->where);
|
|
|
io_constraint (dt->size && not_no && k == M_READ,
|
io_constraint (dt->size && not_no && k == M_READ,
|
"SIZE tag at %L requires an ADVANCE = 'NO'",
|
"SIZE tag at %L requires an ADVANCE = 'NO'",
|
&dt->size->where);
|
&dt->size->where);
|
|
|
io_constraint (dt->eor && not_no && k == M_READ,
|
io_constraint (dt->eor && not_no && k == M_READ,
|
"EOR tag at %L requires an ADVANCE = 'NO'",
|
"EOR tag at %L requires an ADVANCE = 'NO'",
|
&dt->eor_where);
|
&dt->eor_where);
|
}
|
}
|
|
|
expr = dt->format_expr;
|
expr = dt->format_expr;
|
if (gfc_simplify_expr (expr, 0) == FAILURE
|
if (gfc_simplify_expr (expr, 0) == FAILURE
|
|| check_format_string (expr, k == M_READ) == FAILURE)
|
|| check_format_string (expr, k == M_READ) == FAILURE)
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
|
|
return m;
|
return m;
|
}
|
}
|
#undef io_constraint
|
#undef io_constraint
|
|
|
|
|
/* Match a READ, WRITE or PRINT statement. */
|
/* Match a READ, WRITE or PRINT statement. */
|
|
|
static match
|
static match
|
match_io (io_kind k)
|
match_io (io_kind k)
|
{
|
{
|
char name[GFC_MAX_SYMBOL_LEN + 1];
|
char name[GFC_MAX_SYMBOL_LEN + 1];
|
gfc_code *io_code;
|
gfc_code *io_code;
|
gfc_symbol *sym;
|
gfc_symbol *sym;
|
int comma_flag;
|
int comma_flag;
|
locus where;
|
locus where;
|
locus spec_end;
|
locus spec_end;
|
gfc_dt *dt;
|
gfc_dt *dt;
|
match m;
|
match m;
|
|
|
where = gfc_current_locus;
|
where = gfc_current_locus;
|
comma_flag = 0;
|
comma_flag = 0;
|
current_dt = dt = XCNEW (gfc_dt);
|
current_dt = dt = XCNEW (gfc_dt);
|
m = gfc_match_char ('(');
|
m = gfc_match_char ('(');
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
{
|
{
|
where = gfc_current_locus;
|
where = gfc_current_locus;
|
if (k == M_WRITE)
|
if (k == M_WRITE)
|
goto syntax;
|
goto syntax;
|
else if (k == M_PRINT)
|
else if (k == M_PRINT)
|
{
|
{
|
/* Treat the non-standard case of PRINT namelist. */
|
/* Treat the non-standard case of PRINT namelist. */
|
if ((gfc_current_form == FORM_FIXED || gfc_peek_ascii_char () == ' ')
|
if ((gfc_current_form == FORM_FIXED || gfc_peek_ascii_char () == ' ')
|
&& gfc_match_name (name) == MATCH_YES)
|
&& gfc_match_name (name) == MATCH_YES)
|
{
|
{
|
gfc_find_symbol (name, NULL, 1, &sym);
|
gfc_find_symbol (name, NULL, 1, &sym);
|
if (sym && sym->attr.flavor == FL_NAMELIST)
|
if (sym && sym->attr.flavor == FL_NAMELIST)
|
{
|
{
|
if (gfc_notify_std (GFC_STD_GNU, "PRINT namelist at "
|
if (gfc_notify_std (GFC_STD_GNU, "PRINT namelist at "
|
"%C is an extension") == FAILURE)
|
"%C is an extension") == FAILURE)
|
{
|
{
|
m = MATCH_ERROR;
|
m = MATCH_ERROR;
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
dt->io_unit = default_unit (k);
|
dt->io_unit = default_unit (k);
|
dt->namelist = sym;
|
dt->namelist = sym;
|
goto get_io_list;
|
goto get_io_list;
|
}
|
}
|
else
|
else
|
gfc_current_locus = where;
|
gfc_current_locus = where;
|
}
|
}
|
}
|
}
|
|
|
if (gfc_current_form == FORM_FREE)
|
if (gfc_current_form == FORM_FREE)
|
{
|
{
|
char c = gfc_peek_ascii_char ();
|
char c = gfc_peek_ascii_char ();
|
if (c != ' ' && c != '*' && c != '\'' && c != '"')
|
if (c != ' ' && c != '*' && c != '\'' && c != '"')
|
{
|
{
|
m = MATCH_NO;
|
m = MATCH_NO;
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
}
|
}
|
|
|
m = match_dt_format (dt);
|
m = match_dt_format (dt);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
|
|
comma_flag = 1;
|
comma_flag = 1;
|
dt->io_unit = default_unit (k);
|
dt->io_unit = default_unit (k);
|
goto get_io_list;
|
goto get_io_list;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Before issuing an error for a malformed 'print (1,*)' type of
|
/* Before issuing an error for a malformed 'print (1,*)' type of
|
error, check for a default-char-expr of the form ('(I0)'). */
|
error, check for a default-char-expr of the form ('(I0)'). */
|
if (k == M_PRINT && m == MATCH_YES)
|
if (k == M_PRINT && m == MATCH_YES)
|
{
|
{
|
/* Reset current locus to get the initial '(' in an expression. */
|
/* Reset current locus to get the initial '(' in an expression. */
|
gfc_current_locus = where;
|
gfc_current_locus = where;
|
dt->format_expr = NULL;
|
dt->format_expr = NULL;
|
m = match_dt_format (dt);
|
m = match_dt_format (dt);
|
|
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO || dt->format_expr == NULL)
|
if (m == MATCH_NO || dt->format_expr == NULL)
|
goto syntax;
|
goto syntax;
|
|
|
comma_flag = 1;
|
comma_flag = 1;
|
dt->io_unit = default_unit (k);
|
dt->io_unit = default_unit (k);
|
goto get_io_list;
|
goto get_io_list;
|
}
|
}
|
}
|
}
|
|
|
/* Match a control list */
|
/* Match a control list */
|
if (match_dt_element (k, dt) == MATCH_YES)
|
if (match_dt_element (k, dt) == MATCH_YES)
|
goto next;
|
goto next;
|
if (match_dt_unit (k, dt) != MATCH_YES)
|
if (match_dt_unit (k, dt) != MATCH_YES)
|
goto loop;
|
goto loop;
|
|
|
if (gfc_match_char (')') == MATCH_YES)
|
if (gfc_match_char (')') == MATCH_YES)
|
goto get_io_list;
|
goto get_io_list;
|
if (gfc_match_char (',') != MATCH_YES)
|
if (gfc_match_char (',') != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
|
|
m = match_dt_element (k, dt);
|
m = match_dt_element (k, dt);
|
if (m == MATCH_YES)
|
if (m == MATCH_YES)
|
goto next;
|
goto next;
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
|
|
m = match_dt_format (dt);
|
m = match_dt_format (dt);
|
if (m == MATCH_YES)
|
if (m == MATCH_YES)
|
goto next;
|
goto next;
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
|
|
where = gfc_current_locus;
|
where = gfc_current_locus;
|
|
|
m = gfc_match_name (name);
|
m = gfc_match_name (name);
|
if (m == MATCH_YES)
|
if (m == MATCH_YES)
|
{
|
{
|
gfc_find_symbol (name, NULL, 1, &sym);
|
gfc_find_symbol (name, NULL, 1, &sym);
|
if (sym && sym->attr.flavor == FL_NAMELIST)
|
if (sym && sym->attr.flavor == FL_NAMELIST)
|
{
|
{
|
dt->namelist = sym;
|
dt->namelist = sym;
|
if (k == M_READ && check_namelist (sym))
|
if (k == M_READ && check_namelist (sym))
|
{
|
{
|
m = MATCH_ERROR;
|
m = MATCH_ERROR;
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
goto next;
|
goto next;
|
}
|
}
|
}
|
}
|
|
|
gfc_current_locus = where;
|
gfc_current_locus = where;
|
|
|
goto loop; /* No matches, try regular elements */
|
goto loop; /* No matches, try regular elements */
|
|
|
next:
|
next:
|
if (gfc_match_char (')') == MATCH_YES)
|
if (gfc_match_char (')') == MATCH_YES)
|
goto get_io_list;
|
goto get_io_list;
|
if (gfc_match_char (',') != MATCH_YES)
|
if (gfc_match_char (',') != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
|
|
loop:
|
loop:
|
for (;;)
|
for (;;)
|
{
|
{
|
m = match_dt_element (k, dt);
|
m = match_dt_element (k, dt);
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
|
|
if (gfc_match_char (')') == MATCH_YES)
|
if (gfc_match_char (')') == MATCH_YES)
|
break;
|
break;
|
if (gfc_match_char (',') != MATCH_YES)
|
if (gfc_match_char (',') != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
get_io_list:
|
get_io_list:
|
|
|
/* Used in check_io_constraints, where no locus is available. */
|
/* Used in check_io_constraints, where no locus is available. */
|
spec_end = gfc_current_locus;
|
spec_end = gfc_current_locus;
|
|
|
/* Optional leading comma (non-standard). We use a gfc_expr structure here
|
/* Optional leading comma (non-standard). We use a gfc_expr structure here
|
to save the locus. This is used later when resolving transfer statements
|
to save the locus. This is used later when resolving transfer statements
|
that might have a format expression without unit number. */
|
that might have a format expression without unit number. */
|
if (!comma_flag && gfc_match_char (',') == MATCH_YES)
|
if (!comma_flag && gfc_match_char (',') == MATCH_YES)
|
{
|
{
|
dt->extra_comma = gfc_get_expr ();
|
dt->extra_comma = gfc_get_expr ();
|
|
|
/* Set the types to something compatible with iokind. This is needed to
|
/* Set the types to something compatible with iokind. This is needed to
|
get through gfc_free_expr later since iokind really has no Basic Type,
|
get through gfc_free_expr later since iokind really has no Basic Type,
|
BT, of its own. */
|
BT, of its own. */
|
dt->extra_comma->expr_type = EXPR_CONSTANT;
|
dt->extra_comma->expr_type = EXPR_CONSTANT;
|
dt->extra_comma->ts.type = BT_LOGICAL;
|
dt->extra_comma->ts.type = BT_LOGICAL;
|
|
|
/* Save the iokind and locus for later use in resolution. */
|
/* Save the iokind and locus for later use in resolution. */
|
dt->extra_comma->value.iokind = k;
|
dt->extra_comma->value.iokind = k;
|
dt->extra_comma->where = gfc_current_locus;
|
dt->extra_comma->where = gfc_current_locus;
|
}
|
}
|
|
|
io_code = NULL;
|
io_code = NULL;
|
if (gfc_match_eos () != MATCH_YES)
|
if (gfc_match_eos () != MATCH_YES)
|
{
|
{
|
if (comma_flag && gfc_match_char (',') != MATCH_YES)
|
if (comma_flag && gfc_match_char (',') != MATCH_YES)
|
{
|
{
|
gfc_error ("Expected comma in I/O list at %C");
|
gfc_error ("Expected comma in I/O list at %C");
|
m = MATCH_ERROR;
|
m = MATCH_ERROR;
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
m = match_io_list (k, &io_code);
|
m = match_io_list (k, &io_code);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
/* A full IO statement has been matched. Check the constraints. spec_end is
|
/* A full IO statement has been matched. Check the constraints. spec_end is
|
supplied for cases where no locus is supplied. */
|
supplied for cases where no locus is supplied. */
|
m = check_io_constraints (k, dt, io_code, &spec_end);
|
m = check_io_constraints (k, dt, io_code, &spec_end);
|
|
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
|
|
new_st.op = (k == M_READ) ? EXEC_READ : EXEC_WRITE;
|
new_st.op = (k == M_READ) ? EXEC_READ : EXEC_WRITE;
|
new_st.ext.dt = dt;
|
new_st.ext.dt = dt;
|
new_st.block = gfc_get_code ();
|
new_st.block = gfc_get_code ();
|
new_st.block->op = new_st.op;
|
new_st.block->op = new_st.op;
|
new_st.block->next = io_code;
|
new_st.block->next = io_code;
|
|
|
terminate_io (io_code);
|
terminate_io (io_code);
|
|
|
return MATCH_YES;
|
return MATCH_YES;
|
|
|
syntax:
|
syntax:
|
gfc_error ("Syntax error in %s statement at %C", io_kind_name (k));
|
gfc_error ("Syntax error in %s statement at %C", io_kind_name (k));
|
m = MATCH_ERROR;
|
m = MATCH_ERROR;
|
|
|
cleanup:
|
cleanup:
|
gfc_free_dt (dt);
|
gfc_free_dt (dt);
|
return m;
|
return m;
|
}
|
}
|
|
|
|
|
match
|
match
|
gfc_match_read (void)
|
gfc_match_read (void)
|
{
|
{
|
return match_io (M_READ);
|
return match_io (M_READ);
|
}
|
}
|
|
|
|
|
match
|
match
|
gfc_match_write (void)
|
gfc_match_write (void)
|
{
|
{
|
return match_io (M_WRITE);
|
return match_io (M_WRITE);
|
}
|
}
|
|
|
|
|
match
|
match
|
gfc_match_print (void)
|
gfc_match_print (void)
|
{
|
{
|
match m;
|
match m;
|
|
|
m = match_io (M_PRINT);
|
m = match_io (M_PRINT);
|
if (m != MATCH_YES)
|
if (m != MATCH_YES)
|
return m;
|
return m;
|
|
|
if (gfc_pure (NULL))
|
if (gfc_pure (NULL))
|
{
|
{
|
gfc_error ("PRINT statement at %C not allowed within PURE procedure");
|
gfc_error ("PRINT statement at %C not allowed within PURE procedure");
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
|
|
|
|
/* Free a gfc_inquire structure. */
|
/* Free a gfc_inquire structure. */
|
|
|
void
|
void
|
gfc_free_inquire (gfc_inquire *inquire)
|
gfc_free_inquire (gfc_inquire *inquire)
|
{
|
{
|
|
|
if (inquire == NULL)
|
if (inquire == NULL)
|
return;
|
return;
|
|
|
gfc_free_expr (inquire->unit);
|
gfc_free_expr (inquire->unit);
|
gfc_free_expr (inquire->file);
|
gfc_free_expr (inquire->file);
|
gfc_free_expr (inquire->iomsg);
|
gfc_free_expr (inquire->iomsg);
|
gfc_free_expr (inquire->iostat);
|
gfc_free_expr (inquire->iostat);
|
gfc_free_expr (inquire->exist);
|
gfc_free_expr (inquire->exist);
|
gfc_free_expr (inquire->opened);
|
gfc_free_expr (inquire->opened);
|
gfc_free_expr (inquire->number);
|
gfc_free_expr (inquire->number);
|
gfc_free_expr (inquire->named);
|
gfc_free_expr (inquire->named);
|
gfc_free_expr (inquire->name);
|
gfc_free_expr (inquire->name);
|
gfc_free_expr (inquire->access);
|
gfc_free_expr (inquire->access);
|
gfc_free_expr (inquire->sequential);
|
gfc_free_expr (inquire->sequential);
|
gfc_free_expr (inquire->direct);
|
gfc_free_expr (inquire->direct);
|
gfc_free_expr (inquire->form);
|
gfc_free_expr (inquire->form);
|
gfc_free_expr (inquire->formatted);
|
gfc_free_expr (inquire->formatted);
|
gfc_free_expr (inquire->unformatted);
|
gfc_free_expr (inquire->unformatted);
|
gfc_free_expr (inquire->recl);
|
gfc_free_expr (inquire->recl);
|
gfc_free_expr (inquire->nextrec);
|
gfc_free_expr (inquire->nextrec);
|
gfc_free_expr (inquire->blank);
|
gfc_free_expr (inquire->blank);
|
gfc_free_expr (inquire->position);
|
gfc_free_expr (inquire->position);
|
gfc_free_expr (inquire->action);
|
gfc_free_expr (inquire->action);
|
gfc_free_expr (inquire->read);
|
gfc_free_expr (inquire->read);
|
gfc_free_expr (inquire->write);
|
gfc_free_expr (inquire->write);
|
gfc_free_expr (inquire->readwrite);
|
gfc_free_expr (inquire->readwrite);
|
gfc_free_expr (inquire->delim);
|
gfc_free_expr (inquire->delim);
|
gfc_free_expr (inquire->encoding);
|
gfc_free_expr (inquire->encoding);
|
gfc_free_expr (inquire->pad);
|
gfc_free_expr (inquire->pad);
|
gfc_free_expr (inquire->iolength);
|
gfc_free_expr (inquire->iolength);
|
gfc_free_expr (inquire->convert);
|
gfc_free_expr (inquire->convert);
|
gfc_free_expr (inquire->strm_pos);
|
gfc_free_expr (inquire->strm_pos);
|
gfc_free_expr (inquire->asynchronous);
|
gfc_free_expr (inquire->asynchronous);
|
gfc_free_expr (inquire->decimal);
|
gfc_free_expr (inquire->decimal);
|
gfc_free_expr (inquire->pending);
|
gfc_free_expr (inquire->pending);
|
gfc_free_expr (inquire->id);
|
gfc_free_expr (inquire->id);
|
gfc_free_expr (inquire->sign);
|
gfc_free_expr (inquire->sign);
|
gfc_free_expr (inquire->size);
|
gfc_free_expr (inquire->size);
|
gfc_free_expr (inquire->round);
|
gfc_free_expr (inquire->round);
|
gfc_free (inquire);
|
gfc_free (inquire);
|
}
|
}
|
|
|
|
|
/* Match an element of an INQUIRE statement. */
|
/* Match an element of an INQUIRE statement. */
|
|
|
#define RETM if (m != MATCH_NO) return m;
|
#define RETM if (m != MATCH_NO) return m;
|
|
|
static match
|
static match
|
match_inquire_element (gfc_inquire *inquire)
|
match_inquire_element (gfc_inquire *inquire)
|
{
|
{
|
match m;
|
match m;
|
|
|
m = match_etag (&tag_unit, &inquire->unit);
|
m = match_etag (&tag_unit, &inquire->unit);
|
RETM m = match_etag (&tag_file, &inquire->file);
|
RETM m = match_etag (&tag_file, &inquire->file);
|
RETM m = match_ltag (&tag_err, &inquire->err);
|
RETM m = match_ltag (&tag_err, &inquire->err);
|
RETM m = match_out_tag (&tag_iomsg, &inquire->iomsg);
|
RETM m = match_out_tag (&tag_iomsg, &inquire->iomsg);
|
RETM m = match_out_tag (&tag_iostat, &inquire->iostat);
|
RETM m = match_out_tag (&tag_iostat, &inquire->iostat);
|
RETM m = match_vtag (&tag_exist, &inquire->exist);
|
RETM m = match_vtag (&tag_exist, &inquire->exist);
|
RETM m = match_vtag (&tag_opened, &inquire->opened);
|
RETM m = match_vtag (&tag_opened, &inquire->opened);
|
RETM m = match_vtag (&tag_named, &inquire->named);
|
RETM m = match_vtag (&tag_named, &inquire->named);
|
RETM m = match_vtag (&tag_name, &inquire->name);
|
RETM m = match_vtag (&tag_name, &inquire->name);
|
RETM m = match_out_tag (&tag_number, &inquire->number);
|
RETM m = match_out_tag (&tag_number, &inquire->number);
|
RETM m = match_vtag (&tag_s_access, &inquire->access);
|
RETM m = match_vtag (&tag_s_access, &inquire->access);
|
RETM m = match_vtag (&tag_sequential, &inquire->sequential);
|
RETM m = match_vtag (&tag_sequential, &inquire->sequential);
|
RETM m = match_vtag (&tag_direct, &inquire->direct);
|
RETM m = match_vtag (&tag_direct, &inquire->direct);
|
RETM m = match_vtag (&tag_s_form, &inquire->form);
|
RETM m = match_vtag (&tag_s_form, &inquire->form);
|
RETM m = match_vtag (&tag_formatted, &inquire->formatted);
|
RETM m = match_vtag (&tag_formatted, &inquire->formatted);
|
RETM m = match_vtag (&tag_unformatted, &inquire->unformatted);
|
RETM m = match_vtag (&tag_unformatted, &inquire->unformatted);
|
RETM m = match_out_tag (&tag_s_recl, &inquire->recl);
|
RETM m = match_out_tag (&tag_s_recl, &inquire->recl);
|
RETM m = match_out_tag (&tag_nextrec, &inquire->nextrec);
|
RETM m = match_out_tag (&tag_nextrec, &inquire->nextrec);
|
RETM m = match_vtag (&tag_s_blank, &inquire->blank);
|
RETM m = match_vtag (&tag_s_blank, &inquire->blank);
|
RETM m = match_vtag (&tag_s_position, &inquire->position);
|
RETM m = match_vtag (&tag_s_position, &inquire->position);
|
RETM m = match_vtag (&tag_s_action, &inquire->action);
|
RETM m = match_vtag (&tag_s_action, &inquire->action);
|
RETM m = match_vtag (&tag_read, &inquire->read);
|
RETM m = match_vtag (&tag_read, &inquire->read);
|
RETM m = match_vtag (&tag_write, &inquire->write);
|
RETM m = match_vtag (&tag_write, &inquire->write);
|
RETM m = match_vtag (&tag_readwrite, &inquire->readwrite);
|
RETM m = match_vtag (&tag_readwrite, &inquire->readwrite);
|
RETM m = match_vtag (&tag_s_async, &inquire->asynchronous);
|
RETM m = match_vtag (&tag_s_async, &inquire->asynchronous);
|
RETM m = match_vtag (&tag_s_delim, &inquire->delim);
|
RETM m = match_vtag (&tag_s_delim, &inquire->delim);
|
RETM m = match_vtag (&tag_s_decimal, &inquire->decimal);
|
RETM m = match_vtag (&tag_s_decimal, &inquire->decimal);
|
RETM m = match_vtag (&tag_size, &inquire->size);
|
RETM m = match_vtag (&tag_size, &inquire->size);
|
RETM m = match_vtag (&tag_s_encoding, &inquire->encoding);
|
RETM m = match_vtag (&tag_s_encoding, &inquire->encoding);
|
RETM m = match_vtag (&tag_s_round, &inquire->round);
|
RETM m = match_vtag (&tag_s_round, &inquire->round);
|
RETM m = match_vtag (&tag_s_sign, &inquire->sign);
|
RETM m = match_vtag (&tag_s_sign, &inquire->sign);
|
RETM m = match_vtag (&tag_s_pad, &inquire->pad);
|
RETM m = match_vtag (&tag_s_pad, &inquire->pad);
|
RETM m = match_vtag (&tag_iolength, &inquire->iolength);
|
RETM m = match_vtag (&tag_iolength, &inquire->iolength);
|
RETM m = match_vtag (&tag_convert, &inquire->convert);
|
RETM m = match_vtag (&tag_convert, &inquire->convert);
|
RETM m = match_out_tag (&tag_strm_out, &inquire->strm_pos);
|
RETM m = match_out_tag (&tag_strm_out, &inquire->strm_pos);
|
RETM m = match_vtag (&tag_pending, &inquire->pending);
|
RETM m = match_vtag (&tag_pending, &inquire->pending);
|
RETM m = match_vtag (&tag_id, &inquire->id);
|
RETM m = match_vtag (&tag_id, &inquire->id);
|
RETM return MATCH_NO;
|
RETM return MATCH_NO;
|
}
|
}
|
|
|
#undef RETM
|
#undef RETM
|
|
|
|
|
match
|
match
|
gfc_match_inquire (void)
|
gfc_match_inquire (void)
|
{
|
{
|
gfc_inquire *inquire;
|
gfc_inquire *inquire;
|
gfc_code *code;
|
gfc_code *code;
|
match m;
|
match m;
|
locus loc;
|
locus loc;
|
|
|
m = gfc_match_char ('(');
|
m = gfc_match_char ('(');
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
return m;
|
return m;
|
|
|
inquire = XCNEW (gfc_inquire);
|
inquire = XCNEW (gfc_inquire);
|
|
|
loc = gfc_current_locus;
|
loc = gfc_current_locus;
|
|
|
m = match_inquire_element (inquire);
|
m = match_inquire_element (inquire);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
{
|
{
|
m = gfc_match_expr (&inquire->unit);
|
m = gfc_match_expr (&inquire->unit);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
/* See if we have the IOLENGTH form of the inquire statement. */
|
/* See if we have the IOLENGTH form of the inquire statement. */
|
if (inquire->iolength != NULL)
|
if (inquire->iolength != NULL)
|
{
|
{
|
if (gfc_match_char (')') != MATCH_YES)
|
if (gfc_match_char (')') != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
|
|
m = match_io_list (M_INQUIRE, &code);
|
m = match_io_list (M_INQUIRE, &code);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
|
|
new_st.op = EXEC_IOLENGTH;
|
new_st.op = EXEC_IOLENGTH;
|
new_st.expr1 = inquire->iolength;
|
new_st.expr1 = inquire->iolength;
|
new_st.ext.inquire = inquire;
|
new_st.ext.inquire = inquire;
|
|
|
if (gfc_pure (NULL))
|
if (gfc_pure (NULL))
|
{
|
{
|
gfc_free_statements (code);
|
gfc_free_statements (code);
|
gfc_error ("INQUIRE statement not allowed in PURE procedure at %C");
|
gfc_error ("INQUIRE statement not allowed in PURE procedure at %C");
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
new_st.block = gfc_get_code ();
|
new_st.block = gfc_get_code ();
|
new_st.block->op = EXEC_IOLENGTH;
|
new_st.block->op = EXEC_IOLENGTH;
|
terminate_io (code);
|
terminate_io (code);
|
new_st.block->next = code;
|
new_st.block->next = code;
|
return MATCH_YES;
|
return MATCH_YES;
|
}
|
}
|
|
|
/* At this point, we have the non-IOLENGTH inquire statement. */
|
/* At this point, we have the non-IOLENGTH inquire statement. */
|
for (;;)
|
for (;;)
|
{
|
{
|
if (gfc_match_char (')') == MATCH_YES)
|
if (gfc_match_char (')') == MATCH_YES)
|
break;
|
break;
|
if (gfc_match_char (',') != MATCH_YES)
|
if (gfc_match_char (',') != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
|
|
m = match_inquire_element (inquire);
|
m = match_inquire_element (inquire);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
|
|
if (inquire->iolength != NULL)
|
if (inquire->iolength != NULL)
|
{
|
{
|
gfc_error ("IOLENGTH tag invalid in INQUIRE statement at %C");
|
gfc_error ("IOLENGTH tag invalid in INQUIRE statement at %C");
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
}
|
}
|
|
|
if (gfc_match_eos () != MATCH_YES)
|
if (gfc_match_eos () != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
|
|
if (inquire->unit != NULL && inquire->file != NULL)
|
if (inquire->unit != NULL && inquire->file != NULL)
|
{
|
{
|
gfc_error ("INQUIRE statement at %L cannot contain both FILE and "
|
gfc_error ("INQUIRE statement at %L cannot contain both FILE and "
|
"UNIT specifiers", &loc);
|
"UNIT specifiers", &loc);
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
if (inquire->unit == NULL && inquire->file == NULL)
|
if (inquire->unit == NULL && inquire->file == NULL)
|
{
|
{
|
gfc_error ("INQUIRE statement at %L requires either FILE or "
|
gfc_error ("INQUIRE statement at %L requires either FILE or "
|
"UNIT specifier", &loc);
|
"UNIT specifier", &loc);
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
if (gfc_pure (NULL))
|
if (gfc_pure (NULL))
|
{
|
{
|
gfc_error ("INQUIRE statement not allowed in PURE procedure at %C");
|
gfc_error ("INQUIRE statement not allowed in PURE procedure at %C");
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
if (inquire->id != NULL && inquire->pending == NULL)
|
if (inquire->id != NULL && inquire->pending == NULL)
|
{
|
{
|
gfc_error ("INQUIRE statement at %L requires a PENDING= specifier with "
|
gfc_error ("INQUIRE statement at %L requires a PENDING= specifier with "
|
"the ID= specifier", &loc);
|
"the ID= specifier", &loc);
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
new_st.op = EXEC_INQUIRE;
|
new_st.op = EXEC_INQUIRE;
|
new_st.ext.inquire = inquire;
|
new_st.ext.inquire = inquire;
|
return MATCH_YES;
|
return MATCH_YES;
|
|
|
syntax:
|
syntax:
|
gfc_syntax_error (ST_INQUIRE);
|
gfc_syntax_error (ST_INQUIRE);
|
|
|
cleanup:
|
cleanup:
|
gfc_free_inquire (inquire);
|
gfc_free_inquire (inquire);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
|
|
/* Resolve everything in a gfc_inquire structure. */
|
/* Resolve everything in a gfc_inquire structure. */
|
|
|
gfc_try
|
gfc_try
|
gfc_resolve_inquire (gfc_inquire *inquire)
|
gfc_resolve_inquire (gfc_inquire *inquire)
|
{
|
{
|
RESOLVE_TAG (&tag_unit, inquire->unit);
|
RESOLVE_TAG (&tag_unit, inquire->unit);
|
RESOLVE_TAG (&tag_file, inquire->file);
|
RESOLVE_TAG (&tag_file, inquire->file);
|
RESOLVE_TAG (&tag_iomsg, inquire->iomsg);
|
RESOLVE_TAG (&tag_iomsg, inquire->iomsg);
|
RESOLVE_TAG (&tag_iostat, inquire->iostat);
|
RESOLVE_TAG (&tag_iostat, inquire->iostat);
|
RESOLVE_TAG (&tag_exist, inquire->exist);
|
RESOLVE_TAG (&tag_exist, inquire->exist);
|
RESOLVE_TAG (&tag_opened, inquire->opened);
|
RESOLVE_TAG (&tag_opened, inquire->opened);
|
RESOLVE_TAG (&tag_number, inquire->number);
|
RESOLVE_TAG (&tag_number, inquire->number);
|
RESOLVE_TAG (&tag_named, inquire->named);
|
RESOLVE_TAG (&tag_named, inquire->named);
|
RESOLVE_TAG (&tag_name, inquire->name);
|
RESOLVE_TAG (&tag_name, inquire->name);
|
RESOLVE_TAG (&tag_s_access, inquire->access);
|
RESOLVE_TAG (&tag_s_access, inquire->access);
|
RESOLVE_TAG (&tag_sequential, inquire->sequential);
|
RESOLVE_TAG (&tag_sequential, inquire->sequential);
|
RESOLVE_TAG (&tag_direct, inquire->direct);
|
RESOLVE_TAG (&tag_direct, inquire->direct);
|
RESOLVE_TAG (&tag_s_form, inquire->form);
|
RESOLVE_TAG (&tag_s_form, inquire->form);
|
RESOLVE_TAG (&tag_formatted, inquire->formatted);
|
RESOLVE_TAG (&tag_formatted, inquire->formatted);
|
RESOLVE_TAG (&tag_unformatted, inquire->unformatted);
|
RESOLVE_TAG (&tag_unformatted, inquire->unformatted);
|
RESOLVE_TAG (&tag_s_recl, inquire->recl);
|
RESOLVE_TAG (&tag_s_recl, inquire->recl);
|
RESOLVE_TAG (&tag_nextrec, inquire->nextrec);
|
RESOLVE_TAG (&tag_nextrec, inquire->nextrec);
|
RESOLVE_TAG (&tag_s_blank, inquire->blank);
|
RESOLVE_TAG (&tag_s_blank, inquire->blank);
|
RESOLVE_TAG (&tag_s_position, inquire->position);
|
RESOLVE_TAG (&tag_s_position, inquire->position);
|
RESOLVE_TAG (&tag_s_action, inquire->action);
|
RESOLVE_TAG (&tag_s_action, inquire->action);
|
RESOLVE_TAG (&tag_read, inquire->read);
|
RESOLVE_TAG (&tag_read, inquire->read);
|
RESOLVE_TAG (&tag_write, inquire->write);
|
RESOLVE_TAG (&tag_write, inquire->write);
|
RESOLVE_TAG (&tag_readwrite, inquire->readwrite);
|
RESOLVE_TAG (&tag_readwrite, inquire->readwrite);
|
RESOLVE_TAG (&tag_s_delim, inquire->delim);
|
RESOLVE_TAG (&tag_s_delim, inquire->delim);
|
RESOLVE_TAG (&tag_s_pad, inquire->pad);
|
RESOLVE_TAG (&tag_s_pad, inquire->pad);
|
RESOLVE_TAG (&tag_s_encoding, inquire->encoding);
|
RESOLVE_TAG (&tag_s_encoding, inquire->encoding);
|
RESOLVE_TAG (&tag_s_round, inquire->round);
|
RESOLVE_TAG (&tag_s_round, inquire->round);
|
RESOLVE_TAG (&tag_iolength, inquire->iolength);
|
RESOLVE_TAG (&tag_iolength, inquire->iolength);
|
RESOLVE_TAG (&tag_convert, inquire->convert);
|
RESOLVE_TAG (&tag_convert, inquire->convert);
|
RESOLVE_TAG (&tag_strm_out, inquire->strm_pos);
|
RESOLVE_TAG (&tag_strm_out, inquire->strm_pos);
|
RESOLVE_TAG (&tag_s_async, inquire->asynchronous);
|
RESOLVE_TAG (&tag_s_async, inquire->asynchronous);
|
RESOLVE_TAG (&tag_s_sign, inquire->sign);
|
RESOLVE_TAG (&tag_s_sign, inquire->sign);
|
RESOLVE_TAG (&tag_s_round, inquire->round);
|
RESOLVE_TAG (&tag_s_round, inquire->round);
|
RESOLVE_TAG (&tag_pending, inquire->pending);
|
RESOLVE_TAG (&tag_pending, inquire->pending);
|
RESOLVE_TAG (&tag_size, inquire->size);
|
RESOLVE_TAG (&tag_size, inquire->size);
|
RESOLVE_TAG (&tag_id, inquire->id);
|
RESOLVE_TAG (&tag_id, inquire->id);
|
|
|
if (gfc_reference_st_label (inquire->err, ST_LABEL_TARGET) == FAILURE)
|
if (gfc_reference_st_label (inquire->err, ST_LABEL_TARGET) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
|
|
return SUCCESS;
|
return SUCCESS;
|
}
|
}
|
|
|
|
|
void
|
void
|
gfc_free_wait (gfc_wait *wait)
|
gfc_free_wait (gfc_wait *wait)
|
{
|
{
|
if (wait == NULL)
|
if (wait == NULL)
|
return;
|
return;
|
|
|
gfc_free_expr (wait->unit);
|
gfc_free_expr (wait->unit);
|
gfc_free_expr (wait->iostat);
|
gfc_free_expr (wait->iostat);
|
gfc_free_expr (wait->iomsg);
|
gfc_free_expr (wait->iomsg);
|
gfc_free_expr (wait->id);
|
gfc_free_expr (wait->id);
|
}
|
}
|
|
|
|
|
gfc_try
|
gfc_try
|
gfc_resolve_wait (gfc_wait *wait)
|
gfc_resolve_wait (gfc_wait *wait)
|
{
|
{
|
RESOLVE_TAG (&tag_unit, wait->unit);
|
RESOLVE_TAG (&tag_unit, wait->unit);
|
RESOLVE_TAG (&tag_iomsg, wait->iomsg);
|
RESOLVE_TAG (&tag_iomsg, wait->iomsg);
|
RESOLVE_TAG (&tag_iostat, wait->iostat);
|
RESOLVE_TAG (&tag_iostat, wait->iostat);
|
RESOLVE_TAG (&tag_id, wait->id);
|
RESOLVE_TAG (&tag_id, wait->id);
|
|
|
if (gfc_reference_st_label (wait->err, ST_LABEL_TARGET) == FAILURE)
|
if (gfc_reference_st_label (wait->err, ST_LABEL_TARGET) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
|
|
if (gfc_reference_st_label (wait->end, ST_LABEL_TARGET) == FAILURE)
|
if (gfc_reference_st_label (wait->end, ST_LABEL_TARGET) == FAILURE)
|
return FAILURE;
|
return FAILURE;
|
|
|
return SUCCESS;
|
return SUCCESS;
|
}
|
}
|
|
|
/* Match an element of a WAIT statement. */
|
/* Match an element of a WAIT statement. */
|
|
|
#define RETM if (m != MATCH_NO) return m;
|
#define RETM if (m != MATCH_NO) return m;
|
|
|
static match
|
static match
|
match_wait_element (gfc_wait *wait)
|
match_wait_element (gfc_wait *wait)
|
{
|
{
|
match m;
|
match m;
|
|
|
m = match_etag (&tag_unit, &wait->unit);
|
m = match_etag (&tag_unit, &wait->unit);
|
RETM m = match_ltag (&tag_err, &wait->err);
|
RETM m = match_ltag (&tag_err, &wait->err);
|
RETM m = match_ltag (&tag_end, &wait->eor);
|
RETM m = match_ltag (&tag_end, &wait->eor);
|
RETM m = match_ltag (&tag_eor, &wait->end);
|
RETM m = match_ltag (&tag_eor, &wait->end);
|
RETM m = match_out_tag (&tag_iomsg, &wait->iomsg);
|
RETM m = match_out_tag (&tag_iomsg, &wait->iomsg);
|
RETM m = match_out_tag (&tag_iostat, &wait->iostat);
|
RETM m = match_out_tag (&tag_iostat, &wait->iostat);
|
RETM m = match_etag (&tag_id, &wait->id);
|
RETM m = match_etag (&tag_id, &wait->id);
|
RETM return MATCH_NO;
|
RETM return MATCH_NO;
|
}
|
}
|
|
|
#undef RETM
|
#undef RETM
|
|
|
|
|
match
|
match
|
gfc_match_wait (void)
|
gfc_match_wait (void)
|
{
|
{
|
gfc_wait *wait;
|
gfc_wait *wait;
|
match m;
|
match m;
|
|
|
m = gfc_match_char ('(');
|
m = gfc_match_char ('(');
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
return m;
|
return m;
|
|
|
wait = XCNEW (gfc_wait);
|
wait = XCNEW (gfc_wait);
|
|
|
m = match_wait_element (wait);
|
m = match_wait_element (wait);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
{
|
{
|
m = gfc_match_expr (&wait->unit);
|
m = gfc_match_expr (&wait->unit);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
for (;;)
|
for (;;)
|
{
|
{
|
if (gfc_match_char (')') == MATCH_YES)
|
if (gfc_match_char (')') == MATCH_YES)
|
break;
|
break;
|
if (gfc_match_char (',') != MATCH_YES)
|
if (gfc_match_char (',') != MATCH_YES)
|
goto syntax;
|
goto syntax;
|
|
|
m = match_wait_element (wait);
|
m = match_wait_element (wait);
|
if (m == MATCH_ERROR)
|
if (m == MATCH_ERROR)
|
goto cleanup;
|
goto cleanup;
|
if (m == MATCH_NO)
|
if (m == MATCH_NO)
|
goto syntax;
|
goto syntax;
|
}
|
}
|
|
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: WAIT at %C "
|
if (gfc_notify_std (GFC_STD_F2003, "Fortran 2003: WAIT at %C "
|
"not allowed in Fortran 95") == FAILURE)
|
"not allowed in Fortran 95") == FAILURE)
|
goto cleanup;
|
goto cleanup;
|
|
|
if (gfc_pure (NULL))
|
if (gfc_pure (NULL))
|
{
|
{
|
gfc_error ("WAIT statement not allowed in PURE procedure at %C");
|
gfc_error ("WAIT statement not allowed in PURE procedure at %C");
|
goto cleanup;
|
goto cleanup;
|
}
|
}
|
|
|
new_st.op = EXEC_WAIT;
|
new_st.op = EXEC_WAIT;
|
new_st.ext.wait = wait;
|
new_st.ext.wait = wait;
|
|
|
return MATCH_YES;
|
return MATCH_YES;
|
|
|
syntax:
|
syntax:
|
gfc_syntax_error (ST_WAIT);
|
gfc_syntax_error (ST_WAIT);
|
|
|
cleanup:
|
cleanup:
|
gfc_free_wait (wait);
|
gfc_free_wait (wait);
|
return MATCH_ERROR;
|
return MATCH_ERROR;
|
}
|
}
|
|
|
