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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [cli-out.c] - Rev 318
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/* Output generating routines for GDB CLI. Copyright (C) 1999, 2000, 2002, 2003, 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. Contributed by Cygnus Solutions. Written by Fernando Nasser for Cygnus. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "defs.h" #include "ui-out.h" #include "cli-out.h" #include "gdb_string.h" #include "gdb_assert.h" struct ui_out_data { struct ui_file *stream; struct ui_file *original_stream; int suppress_output; }; typedef struct ui_out_data cli_out_data; /* These are the CLI output functions */ static void cli_table_begin (struct ui_out *uiout, int nbrofcols, int nr_rows, const char *tblid); static void cli_table_body (struct ui_out *uiout); static void cli_table_end (struct ui_out *uiout); static void cli_table_header (struct ui_out *uiout, int width, enum ui_align alig, const char *col_name, const char *colhdr); static void cli_begin (struct ui_out *uiout, enum ui_out_type type, int level, const char *lstid); static void cli_end (struct ui_out *uiout, enum ui_out_type type, int level); static void cli_field_int (struct ui_out *uiout, int fldno, int width, enum ui_align alig, const char *fldname, int value); static void cli_field_skip (struct ui_out *uiout, int fldno, int width, enum ui_align alig, const char *fldname); static void cli_field_string (struct ui_out *uiout, int fldno, int width, enum ui_align alig, const char *fldname, const char *string); static void cli_field_fmt (struct ui_out *uiout, int fldno, int width, enum ui_align align, const char *fldname, const char *format, va_list args) ATTR_FORMAT (printf, 6, 0); static void cli_spaces (struct ui_out *uiout, int numspaces); static void cli_text (struct ui_out *uiout, const char *string); static void cli_message (struct ui_out *uiout, int verbosity, const char *format, va_list args) ATTR_FORMAT (printf, 3, 0); static void cli_wrap_hint (struct ui_out *uiout, char *identstring); static void cli_flush (struct ui_out *uiout); static int cli_redirect (struct ui_out *uiout, struct ui_file *outstream); /* This is the CLI ui-out implementation functions vector */ /* FIXME: This can be initialized dynamically after default is set to handle initial output in main.c */ static struct ui_out_impl cli_ui_out_impl = { cli_table_begin, cli_table_body, cli_table_end, cli_table_header, cli_begin, cli_end, cli_field_int, cli_field_skip, cli_field_string, cli_field_fmt, cli_spaces, cli_text, cli_message, cli_wrap_hint, cli_flush, cli_redirect, 0, /* Does not need MI hacks (i.e. needs CLI hacks). */ }; /* Prototypes for local functions */ extern void _initialize_cli_out (void); static void field_separator (void); static void out_field_fmt (struct ui_out *uiout, int fldno, const char *fldname, const char *format,...) ATTR_FORMAT (printf, 4, 5); /* local variables */ /* (none yet) */ /* Mark beginning of a table */ void cli_table_begin (struct ui_out *uiout, int nbrofcols, int nr_rows, const char *tblid) { cli_out_data *data = ui_out_data (uiout); if (nr_rows == 0) data->suppress_output = 1; else /* Only the table suppresses the output and, fortunately, a table is not a recursive data structure. */ gdb_assert (data->suppress_output == 0); } /* Mark beginning of a table body */ void cli_table_body (struct ui_out *uiout) { cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; /* first, close the table header line */ cli_text (uiout, "\n"); } /* Mark end of a table */ void cli_table_end (struct ui_out *uiout) { cli_out_data *data = ui_out_data (uiout); data->suppress_output = 0; } /* Specify table header */ void cli_table_header (struct ui_out *uiout, int width, enum ui_align alignment, const char *col_name, const char *colhdr) { cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; cli_field_string (uiout, 0, width, alignment, 0, colhdr); } /* Mark beginning of a list */ void cli_begin (struct ui_out *uiout, enum ui_out_type type, int level, const char *id) { cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; } /* Mark end of a list */ void cli_end (struct ui_out *uiout, enum ui_out_type type, int level) { cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; } /* output an int field */ void cli_field_int (struct ui_out *uiout, int fldno, int width, enum ui_align alignment, const char *fldname, int value) { char buffer[20]; /* FIXME: how many chars long a %d can become? */ cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; sprintf (buffer, "%d", value); cli_field_string (uiout, fldno, width, alignment, fldname, buffer); } /* used to ommit a field */ void cli_field_skip (struct ui_out *uiout, int fldno, int width, enum ui_align alignment, const char *fldname) { cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; cli_field_string (uiout, fldno, width, alignment, fldname, ""); } /* other specific cli_field_* end up here so alignment and field separators are both handled by cli_field_string */ void cli_field_string (struct ui_out *uiout, int fldno, int width, enum ui_align align, const char *fldname, const char *string) { int before = 0; int after = 0; cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; if ((align != ui_noalign) && string) { before = width - strlen (string); if (before <= 0) before = 0; else { if (align == ui_right) after = 0; else if (align == ui_left) { after = before; before = 0; } else /* ui_center */ { after = before / 2; before -= after; } } } if (before) ui_out_spaces (uiout, before); if (string) out_field_fmt (uiout, fldno, fldname, "%s", string); if (after) ui_out_spaces (uiout, after); if (align != ui_noalign) field_separator (); } /* This is the only field function that does not align. */ void cli_field_fmt (struct ui_out *uiout, int fldno, int width, enum ui_align align, const char *fldname, const char *format, va_list args) { cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; vfprintf_filtered (data->stream, format, args); if (align != ui_noalign) field_separator (); } void cli_spaces (struct ui_out *uiout, int numspaces) { cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; print_spaces_filtered (numspaces, data->stream); } void cli_text (struct ui_out *uiout, const char *string) { cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; fputs_filtered (string, data->stream); } void cli_message (struct ui_out *uiout, int verbosity, const char *format, va_list args) { cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; if (ui_out_get_verblvl (uiout) >= verbosity) vfprintf_unfiltered (data->stream, format, args); } void cli_wrap_hint (struct ui_out *uiout, char *identstring) { cli_out_data *data = ui_out_data (uiout); if (data->suppress_output) return; wrap_here (identstring); } void cli_flush (struct ui_out *uiout) { cli_out_data *data = ui_out_data (uiout); gdb_flush (data->stream); } int cli_redirect (struct ui_out *uiout, struct ui_file *outstream) { struct ui_out_data *data = ui_out_data (uiout); if (outstream != NULL) { data->original_stream = data->stream; data->stream = outstream; } else if (data->original_stream != NULL) { data->stream = data->original_stream; data->original_stream = NULL; } return 0; } /* local functions */ /* Like cli_field_fmt, but takes a variable number of args and makes a va_list and does not insert a separator. */ /* VARARGS */ static void out_field_fmt (struct ui_out *uiout, int fldno, const char *fldname, const char *format,...) { cli_out_data *data = ui_out_data (uiout); va_list args; va_start (args, format); vfprintf_filtered (data->stream, format, args); va_end (args); } /* Access to ui_out format private members. */ static void field_separator (void) { cli_out_data *data = ui_out_data (uiout); fputc_filtered (' ', data->stream); } /* Initalize private members at startup. */ struct ui_out * cli_out_new (struct ui_file *stream) { int flags = ui_source_list; cli_out_data *data = XMALLOC (cli_out_data); data->stream = stream; data->original_stream = NULL; data->suppress_output = 0; return ui_out_new (&cli_ui_out_impl, data, flags); } struct ui_file * cli_out_set_stream (struct ui_out *uiout, struct ui_file *stream) { cli_out_data *data = ui_out_data (uiout); struct ui_file *old = data->stream; data->stream = stream; return old; } /* Standard gdb initialization hook. */ void _initialize_cli_out (void) { /* nothing needs to be done */ }
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