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jlechner |
/* Parser for Java(TM) .class files.
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Copyright (C) 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
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Free Software Foundation, Inc.
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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
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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 COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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Java and all Java-based marks are trademarks or registered trademarks
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of Sun Microsystems, Inc. in the United States and other countries.
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The Free Software Foundation is independent of Sun Microsystems, Inc. */
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/* Written by Per Bothner <bothner@cygnus.com> */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tree.h"
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#include "real.h"
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#include "obstack.h"
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#include "flags.h"
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#include "java-except.h"
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#include "input.h"
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#include "java-tree.h"
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#include "toplev.h"
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#include "parse.h"
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#include "ggc.h"
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#include "debug.h"
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#include "assert.h"
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#include "tm_p.h"
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#include "cgraph.h"
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#ifdef HAVE_LOCALE_H
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#include <locale.h>
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#endif
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#ifdef HAVE_LANGINFO_CODESET
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#include <langinfo.h>
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#endif
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/* A CONSTANT_Utf8 element is converted to an IDENTIFIER_NODE at parse time. */
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#define JPOOL_UTF(JCF, INDEX) CPOOL_UTF(&(JCF)->cpool, INDEX)
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#define JPOOL_UTF_LENGTH(JCF, INDEX) IDENTIFIER_LENGTH (JPOOL_UTF (JCF, INDEX))
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#define JPOOL_UTF_DATA(JCF, INDEX) \
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((const unsigned char *) IDENTIFIER_POINTER (JPOOL_UTF (JCF, INDEX)))
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#define HANDLE_CONSTANT_Utf8(JCF, INDEX, LENGTH) \
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do { \
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unsigned char save; unsigned char *text; \
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JCF_FILL (JCF, (LENGTH)+1); /* Make sure we read 1 byte beyond string. */ \
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text = (JCF)->read_ptr; \
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save = text[LENGTH]; \
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text[LENGTH] = 0; \
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(JCF)->cpool.data[INDEX].t = get_identifier ((const char *) text); \
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text[LENGTH] = save; \
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JCF_SKIP (JCF, LENGTH); } while (0)
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#include "jcf.h"
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extern struct obstack temporary_obstack;
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static GTY(()) tree parse_roots[3];
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/* The FIELD_DECL for the current field. */
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#define current_field parse_roots[0]
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/* The METHOD_DECL for the current method. */
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#define current_method parse_roots[1]
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/* A list of TRANSLATION_UNIT_DECLs for the files to be compiled. */
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#define current_file_list parse_roots[2]
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/* Line 0 in current file, if compiling from bytecode. */
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static location_t file_start_location;
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/* The Java archive that provides main_class; the main input file. */
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static GTY(()) struct JCF * main_jcf;
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static struct ZipFile *localToFile;
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/* Declarations of some functions used here. */
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static void handle_innerclass_attribute (int count, JCF *);
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static tree give_name_to_class (JCF *jcf, int index);
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static char *compute_class_name (struct ZipDirectory *zdir);
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static int classify_zip_file (struct ZipDirectory *zdir);
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static void parse_zip_file_entries (void);
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static void process_zip_dir (FILE *);
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static void parse_source_file_1 (tree, const char *, FILE *);
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static void parse_source_file_2 (void);
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static void parse_source_file_3 (void);
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static void parse_class_file (void);
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static void handle_deprecated (void);
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static void set_source_filename (JCF *, int);
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static void jcf_parse (struct JCF*);
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static void load_inner_classes (tree);
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/* Handle "Deprecated" attribute. */
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static void
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handle_deprecated (void)
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{
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if (current_field != NULL_TREE)
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FIELD_DEPRECATED (current_field) = 1;
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else if (current_method != NULL_TREE)
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METHOD_DEPRECATED (current_method) = 1;
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else if (current_class != NULL_TREE)
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CLASS_DEPRECATED (TYPE_NAME (current_class)) = 1;
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else
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{
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/* Shouldn't happen. */
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abort ();
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}
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}
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/* Handle "SourceFile" attribute. */
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static void
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set_source_filename (JCF *jcf, int index)
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{
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tree sfname_id = get_name_constant (jcf, index);
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const char *sfname = IDENTIFIER_POINTER (sfname_id);
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const char *old_filename = input_filename;
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int new_len = IDENTIFIER_LENGTH (sfname_id);
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if (old_filename != NULL)
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{
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int old_len = strlen (old_filename);
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/* Use the current input_filename (derived from the class name)
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if it has a directory prefix, but otherwise matches sfname. */
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if (old_len > new_len
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&& strcmp (sfname, old_filename + old_len - new_len) == 0
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&& (old_filename[old_len - new_len - 1] == '/'
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|| old_filename[old_len - new_len - 1] == '\\'))
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{
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#ifndef USE_MAPPED_LOCATION
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DECL_SOURCE_LOCATION (TYPE_NAME (current_class)) = input_location;
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file_start_location = input_location;
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#endif
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return;
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}
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}
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if (strchr (sfname, '/') == NULL && strchr (sfname, '\\') == NULL)
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{
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const char *class_name
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= IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class)));
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char *dot = strrchr (class_name, '.');
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if (dot != NULL)
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{
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/* Length of prefix, not counting final dot. */
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int i = dot - class_name;
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/* Concatenate current package prefix with new sfname. */
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char *buf = xmalloc (i + new_len + 2); /* Space for '.' and '\0'. */
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strcpy (buf + i + 1, sfname);
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/* Copy package from class_name, replacing '.' by DIR_SEPARATOR.
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Note we start at the end with the final package dot. */
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for (; i >= 0; i--)
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{
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char c = class_name[i];
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if (c == '.')
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c = DIR_SEPARATOR;
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buf[i] = c;
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}
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sfname_id = get_identifier (buf);
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free (buf);
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sfname = IDENTIFIER_POINTER (sfname_id);
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}
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}
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#ifdef USE_MAPPED_LOCATION
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line_table.maps[line_table.used-1].to_file = sfname;
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#else
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input_filename = sfname;
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DECL_SOURCE_LOCATION (TYPE_NAME (current_class)) = input_location;
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file_start_location = input_location;
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#endif
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if (current_class == main_class) main_input_filename = sfname;
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}
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#define HANDLE_SOURCEFILE(INDEX) set_source_filename (jcf, INDEX)
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#define HANDLE_CLASS_INFO(ACCESS_FLAGS, THIS, SUPER, INTERFACES_COUNT) \
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{ tree super_class = SUPER==0 ? NULL_TREE : get_class_constant (jcf, SUPER); \
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output_class = current_class = give_name_to_class (jcf, THIS); \
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set_super_info (ACCESS_FLAGS, current_class, super_class, INTERFACES_COUNT);}
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#define HANDLE_CLASS_INTERFACE(INDEX) \
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add_interface (current_class, get_class_constant (jcf, INDEX))
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#define HANDLE_START_FIELD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \
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{ int sig_index = SIGNATURE; \
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current_field = add_field (current_class, get_name_constant (jcf, NAME), \
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parse_signature (jcf, sig_index), ACCESS_FLAGS); \
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set_java_signature (TREE_TYPE (current_field), JPOOL_UTF (jcf, sig_index)); \
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if ((ACCESS_FLAGS) & ACC_FINAL) \
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MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC (current_field); \
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}
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209 |
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#define HANDLE_END_FIELDS() \
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(current_field = NULL_TREE)
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#define HANDLE_CONSTANTVALUE(INDEX) \
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{ tree constant; int index = INDEX; \
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if (! flag_emit_class_files && JPOOL_TAG (jcf, index) == CONSTANT_String) { \
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tree name = get_name_constant (jcf, JPOOL_USHORT1 (jcf, index)); \
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constant = build_utf8_ref (name); \
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} \
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else \
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constant = get_constant (jcf, index); \
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set_constant_value (current_field, constant); }
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222 |
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#define HANDLE_METHOD(ACCESS_FLAGS, NAME, SIGNATURE, ATTRIBUTE_COUNT) \
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(current_method = add_method (current_class, ACCESS_FLAGS, \
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get_name_constant (jcf, NAME), \
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225 |
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get_name_constant (jcf, SIGNATURE)), \
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226 |
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DECL_LOCALVARIABLES_OFFSET (current_method) = 0, \
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DECL_LINENUMBERS_OFFSET (current_method) = 0)
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228 |
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229 |
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#define HANDLE_END_METHODS() \
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230 |
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{ current_method = NULL_TREE; }
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231 |
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232 |
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#define HANDLE_CODE_ATTRIBUTE(MAX_STACK, MAX_LOCALS, CODE_LENGTH) \
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{ DECL_MAX_STACK (current_method) = (MAX_STACK); \
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234 |
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DECL_MAX_LOCALS (current_method) = (MAX_LOCALS); \
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235 |
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DECL_CODE_LENGTH (current_method) = (CODE_LENGTH); \
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236 |
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DECL_CODE_OFFSET (current_method) = JCF_TELL (jcf); }
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237 |
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238 |
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#define HANDLE_LOCALVARIABLETABLE_ATTRIBUTE(COUNT) \
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{ int n = (COUNT); \
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240 |
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DECL_LOCALVARIABLES_OFFSET (current_method) = JCF_TELL (jcf) - 2; \
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241 |
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JCF_SKIP (jcf, n * 10); }
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242 |
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243 |
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#define HANDLE_LINENUMBERTABLE_ATTRIBUTE(COUNT) \
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244 |
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{ int n = (COUNT); \
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245 |
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DECL_LINENUMBERS_OFFSET (current_method) = JCF_TELL (jcf) - 2; \
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246 |
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JCF_SKIP (jcf, n * 4); }
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247 |
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248 |
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#define HANDLE_EXCEPTIONS_ATTRIBUTE(COUNT) \
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249 |
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{ \
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250 |
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int n = COUNT; \
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251 |
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tree list = DECL_FUNCTION_THROWS (current_method); \
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252 |
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while (--n >= 0) \
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253 |
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{ \
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254 |
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tree thrown_class = get_class_constant (jcf, JCF_readu2 (jcf)); \
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255 |
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list = tree_cons (NULL_TREE, thrown_class, list); \
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256 |
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} \
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257 |
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DECL_FUNCTION_THROWS (current_method) = nreverse (list); \
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258 |
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}
|
259 |
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|
260 |
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#define HANDLE_DEPRECATED_ATTRIBUTE() handle_deprecated ()
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261 |
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|
262 |
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/* Link seen inner classes to their outer context and register the
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263 |
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inner class to its outer context. They will be later loaded. */
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264 |
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#define HANDLE_INNERCLASSES_ATTRIBUTE(COUNT) \
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265 |
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handle_innerclass_attribute (COUNT, jcf)
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266 |
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|
267 |
|
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#define HANDLE_SYNTHETIC_ATTRIBUTE() \
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268 |
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{ \
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269 |
|
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/* Irrelevant decls should have been nullified by the END macros. \
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270 |
|
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We only handle the `Synthetic' attribute on method DECLs. \
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271 |
|
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DECL_ARTIFICIAL on fields is used for something else (See \
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272 |
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PUSH_FIELD in java-tree.h) */ \
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273 |
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if (current_method) \
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274 |
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DECL_ARTIFICIAL (current_method) = 1; \
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275 |
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}
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276 |
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|
277 |
|
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#define HANDLE_GCJCOMPILED_ATTRIBUTE() \
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278 |
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{ \
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279 |
|
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if (current_class == object_type_node) \
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280 |
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jcf->right_zip = 1; \
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281 |
|
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}
|
282 |
|
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|
283 |
|
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#include "jcf-reader.c"
|
284 |
|
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|
285 |
|
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tree
|
286 |
|
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parse_signature (JCF *jcf, int sig_index)
|
287 |
|
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{
|
288 |
|
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if (sig_index <= 0 || sig_index >= JPOOL_SIZE (jcf)
|
289 |
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|| JPOOL_TAG (jcf, sig_index) != CONSTANT_Utf8)
|
290 |
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abort ();
|
291 |
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else
|
292 |
|
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return parse_signature_string (JPOOL_UTF_DATA (jcf, sig_index),
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293 |
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JPOOL_UTF_LENGTH (jcf, sig_index));
|
294 |
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}
|
295 |
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|
296 |
|
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tree
|
297 |
|
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get_constant (JCF *jcf, int index)
|
298 |
|
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{
|
299 |
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tree value;
|
300 |
|
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int tag;
|
301 |
|
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if (index <= 0 || index >= JPOOL_SIZE(jcf))
|
302 |
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goto bad;
|
303 |
|
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tag = JPOOL_TAG (jcf, index);
|
304 |
|
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if ((tag & CONSTANT_ResolvedFlag) || tag == CONSTANT_Utf8)
|
305 |
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return jcf->cpool.data[index].t;
|
306 |
|
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switch (tag)
|
307 |
|
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{
|
308 |
|
|
case CONSTANT_Integer:
|
309 |
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{
|
310 |
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jint num = JPOOL_INT(jcf, index);
|
311 |
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value = build_int_cst (int_type_node, num);
|
312 |
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break;
|
313 |
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}
|
314 |
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case CONSTANT_Long:
|
315 |
|
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{
|
316 |
|
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unsigned HOST_WIDE_INT num = JPOOL_UINT (jcf, index);
|
317 |
|
|
unsigned HOST_WIDE_INT lo;
|
318 |
|
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HOST_WIDE_INT hi;
|
319 |
|
|
|
320 |
|
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lshift_double (num, 0, 32, 64, &lo, &hi, 0);
|
321 |
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num = JPOOL_UINT (jcf, index+1);
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322 |
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add_double (lo, hi, num, 0, &lo, &hi);
|
323 |
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value = build_int_cst_wide (long_type_node, lo, hi);
|
324 |
|
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value = force_fit_type (value, 0, false, false);
|
325 |
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break;
|
326 |
|
|
}
|
327 |
|
|
|
328 |
|
|
case CONSTANT_Float:
|
329 |
|
|
{
|
330 |
|
|
jint num = JPOOL_INT(jcf, index);
|
331 |
|
|
long buf = num;
|
332 |
|
|
REAL_VALUE_TYPE d;
|
333 |
|
|
|
334 |
|
|
real_from_target_fmt (&d, &buf, &ieee_single_format);
|
335 |
|
|
value = build_real (float_type_node, d);
|
336 |
|
|
break;
|
337 |
|
|
}
|
338 |
|
|
|
339 |
|
|
case CONSTANT_Double:
|
340 |
|
|
{
|
341 |
|
|
long buf[2], lo, hi;
|
342 |
|
|
REAL_VALUE_TYPE d;
|
343 |
|
|
|
344 |
|
|
hi = JPOOL_UINT (jcf, index);
|
345 |
|
|
lo = JPOOL_UINT (jcf, index+1);
|
346 |
|
|
|
347 |
|
|
if (FLOAT_WORDS_BIG_ENDIAN)
|
348 |
|
|
buf[0] = hi, buf[1] = lo;
|
349 |
|
|
else
|
350 |
|
|
buf[0] = lo, buf[1] = hi;
|
351 |
|
|
|
352 |
|
|
real_from_target_fmt (&d, buf, &ieee_double_format);
|
353 |
|
|
value = build_real (double_type_node, d);
|
354 |
|
|
break;
|
355 |
|
|
}
|
356 |
|
|
|
357 |
|
|
case CONSTANT_String:
|
358 |
|
|
{
|
359 |
|
|
tree name = get_name_constant (jcf, JPOOL_USHORT1 (jcf, index));
|
360 |
|
|
const char *utf8_ptr = IDENTIFIER_POINTER (name);
|
361 |
|
|
int utf8_len = IDENTIFIER_LENGTH (name);
|
362 |
|
|
const unsigned char *utf8;
|
363 |
|
|
int i;
|
364 |
|
|
|
365 |
|
|
/* Check for a malformed Utf8 string. */
|
366 |
|
|
utf8 = (const unsigned char *) utf8_ptr;
|
367 |
|
|
i = utf8_len;
|
368 |
|
|
while (i > 0)
|
369 |
|
|
{
|
370 |
|
|
int char_len = UT8_CHAR_LENGTH (*utf8);
|
371 |
|
|
if (char_len < 0 || char_len > 3 || char_len > i)
|
372 |
|
|
fatal_error ("bad string constant");
|
373 |
|
|
|
374 |
|
|
utf8 += char_len;
|
375 |
|
|
i -= char_len;
|
376 |
|
|
}
|
377 |
|
|
|
378 |
|
|
/* Allocate a new string value. */
|
379 |
|
|
value = build_string (utf8_len, utf8_ptr);
|
380 |
|
|
TREE_TYPE (value) = build_pointer_type (string_type_node);
|
381 |
|
|
}
|
382 |
|
|
break;
|
383 |
|
|
default:
|
384 |
|
|
goto bad;
|
385 |
|
|
}
|
386 |
|
|
JPOOL_TAG (jcf, index) = tag | CONSTANT_ResolvedFlag;
|
387 |
|
|
jcf->cpool.data[index].t = value;
|
388 |
|
|
return value;
|
389 |
|
|
bad:
|
390 |
|
|
internal_error ("bad value constant type %d, index %d",
|
391 |
|
|
JPOOL_TAG (jcf, index), index);
|
392 |
|
|
}
|
393 |
|
|
|
394 |
|
|
tree
|
395 |
|
|
get_name_constant (JCF *jcf, int index)
|
396 |
|
|
{
|
397 |
|
|
tree name = get_constant (jcf, index);
|
398 |
|
|
|
399 |
|
|
if (TREE_CODE (name) != IDENTIFIER_NODE)
|
400 |
|
|
abort ();
|
401 |
|
|
|
402 |
|
|
return name;
|
403 |
|
|
}
|
404 |
|
|
|
405 |
|
|
/* Handle reading innerclass attributes. If a nonzero entry (denoting
|
406 |
|
|
a non anonymous entry) is found, We augment the inner class list of
|
407 |
|
|
the outer context with the newly resolved innerclass. */
|
408 |
|
|
|
409 |
|
|
static void
|
410 |
|
|
handle_innerclass_attribute (int count, JCF *jcf)
|
411 |
|
|
{
|
412 |
|
|
int c = (count);
|
413 |
|
|
while (c--)
|
414 |
|
|
{
|
415 |
|
|
/* Read inner_class_info_index. This may be 0 */
|
416 |
|
|
int icii = JCF_readu2 (jcf);
|
417 |
|
|
/* Read outer_class_info_index. If the innerclasses attribute
|
418 |
|
|
entry isn't a member (like an inner class) the value is 0. */
|
419 |
|
|
int ocii = JCF_readu2 (jcf);
|
420 |
|
|
/* Read inner_name_index. If the class we're dealing with is
|
421 |
|
|
an anonymous class, it must be 0. */
|
422 |
|
|
int ini = JCF_readu2 (jcf);
|
423 |
|
|
/* Read the access flag. */
|
424 |
|
|
int acc = JCF_readu2 (jcf);
|
425 |
|
|
/* If icii is 0, don't try to read the class. */
|
426 |
|
|
if (icii >= 0)
|
427 |
|
|
{
|
428 |
|
|
tree class = get_class_constant (jcf, icii);
|
429 |
|
|
tree decl = TYPE_NAME (class);
|
430 |
|
|
/* Skip reading further if ocii is null */
|
431 |
|
|
if (DECL_P (decl) && !CLASS_COMPLETE_P (decl) && ocii)
|
432 |
|
|
{
|
433 |
|
|
tree outer = TYPE_NAME (get_class_constant (jcf, ocii));
|
434 |
|
|
tree alias = (ini ? get_name_constant (jcf, ini) : NULL_TREE);
|
435 |
|
|
set_class_decl_access_flags (acc, decl);
|
436 |
|
|
DECL_CONTEXT (decl) = outer;
|
437 |
|
|
DECL_INNER_CLASS_LIST (outer) =
|
438 |
|
|
tree_cons (decl, alias, DECL_INNER_CLASS_LIST (outer));
|
439 |
|
|
CLASS_COMPLETE_P (decl) = 1;
|
440 |
|
|
}
|
441 |
|
|
}
|
442 |
|
|
}
|
443 |
|
|
}
|
444 |
|
|
|
445 |
|
|
static tree
|
446 |
|
|
give_name_to_class (JCF *jcf, int i)
|
447 |
|
|
{
|
448 |
|
|
if (i <= 0 || i >= JPOOL_SIZE (jcf)
|
449 |
|
|
|| JPOOL_TAG (jcf, i) != CONSTANT_Class)
|
450 |
|
|
abort ();
|
451 |
|
|
else
|
452 |
|
|
{
|
453 |
|
|
tree package_name = NULL_TREE, tmp;
|
454 |
|
|
tree this_class;
|
455 |
|
|
int j = JPOOL_USHORT1 (jcf, i);
|
456 |
|
|
/* verify_constant_pool confirmed that j is a CONSTANT_Utf8. */
|
457 |
|
|
tree class_name = unmangle_classname ((const char *) JPOOL_UTF_DATA (jcf, j),
|
458 |
|
|
JPOOL_UTF_LENGTH (jcf, j));
|
459 |
|
|
this_class = lookup_class (class_name);
|
460 |
|
|
#ifdef USE_MAPPED_LOCATION
|
461 |
|
|
{
|
462 |
|
|
tree source_name = identifier_subst (class_name, "", '.', '/', ".java");
|
463 |
|
|
const char *sfname = IDENTIFIER_POINTER (source_name);
|
464 |
|
|
linemap_add (&line_table, LC_ENTER, false, sfname, 0);
|
465 |
|
|
input_location = linemap_line_start (&line_table, 0, 1);
|
466 |
|
|
file_start_location = input_location;
|
467 |
|
|
DECL_SOURCE_LOCATION (TYPE_NAME (this_class)) = input_location;
|
468 |
|
|
if (main_input_filename == NULL && jcf == main_jcf)
|
469 |
|
|
main_input_filename = sfname;
|
470 |
|
|
}
|
471 |
|
|
#else
|
472 |
|
|
input_location = DECL_SOURCE_LOCATION (TYPE_NAME (this_class));
|
473 |
|
|
if (main_input_filename == NULL && jcf == main_jcf)
|
474 |
|
|
main_input_filename = input_filename;
|
475 |
|
|
#endif
|
476 |
|
|
|
477 |
|
|
jcf->cpool.data[i].t = this_class;
|
478 |
|
|
JPOOL_TAG (jcf, i) = CONSTANT_ResolvedClass;
|
479 |
|
|
split_qualified_name (&package_name, &tmp,
|
480 |
|
|
DECL_NAME (TYPE_NAME (this_class)));
|
481 |
|
|
TYPE_PACKAGE (this_class) = package_name;
|
482 |
|
|
return this_class;
|
483 |
|
|
}
|
484 |
|
|
}
|
485 |
|
|
|
486 |
|
|
/* Get the class of the CONSTANT_Class whose constant pool index is I. */
|
487 |
|
|
|
488 |
|
|
tree
|
489 |
|
|
get_class_constant (JCF *jcf, int i)
|
490 |
|
|
{
|
491 |
|
|
tree type;
|
492 |
|
|
if (i <= 0 || i >= JPOOL_SIZE (jcf)
|
493 |
|
|
|| (JPOOL_TAG (jcf, i) & ~CONSTANT_ResolvedFlag) != CONSTANT_Class)
|
494 |
|
|
abort ();
|
495 |
|
|
|
496 |
|
|
if (JPOOL_TAG (jcf, i) != CONSTANT_ResolvedClass)
|
497 |
|
|
{
|
498 |
|
|
int name_index = JPOOL_USHORT1 (jcf, i);
|
499 |
|
|
/* verify_constant_pool confirmed that name_index is a CONSTANT_Utf8. */
|
500 |
|
|
const char *name = (const char *) JPOOL_UTF_DATA (jcf, name_index);
|
501 |
|
|
int nlength = JPOOL_UTF_LENGTH (jcf, name_index);
|
502 |
|
|
|
503 |
|
|
if (name[0] == '[') /* Handle array "classes". */
|
504 |
|
|
type = TREE_TYPE (parse_signature_string ((const unsigned char *) name, nlength));
|
505 |
|
|
else
|
506 |
|
|
{
|
507 |
|
|
tree cname = unmangle_classname (name, nlength);
|
508 |
|
|
type = lookup_class (cname);
|
509 |
|
|
}
|
510 |
|
|
jcf->cpool.data[i].t = type;
|
511 |
|
|
JPOOL_TAG (jcf, i) = CONSTANT_ResolvedClass;
|
512 |
|
|
}
|
513 |
|
|
else
|
514 |
|
|
type = jcf->cpool.data[i].t;
|
515 |
|
|
return type;
|
516 |
|
|
}
|
517 |
|
|
|
518 |
|
|
/* Read a class with the fully qualified-name NAME.
|
519 |
|
|
Return 1 iff we read the requested file.
|
520 |
|
|
(It is still possible we failed if the file did not
|
521 |
|
|
define the class it is supposed to.) */
|
522 |
|
|
|
523 |
|
|
int
|
524 |
|
|
read_class (tree name)
|
525 |
|
|
{
|
526 |
|
|
JCF this_jcf, *jcf;
|
527 |
|
|
tree icv, class = NULL_TREE;
|
528 |
|
|
tree save_current_class = current_class;
|
529 |
|
|
tree save_output_class = output_class;
|
530 |
|
|
location_t save_location = input_location;
|
531 |
|
|
JCF *save_current_jcf = current_jcf;
|
532 |
|
|
|
533 |
|
|
if ((icv = IDENTIFIER_CLASS_VALUE (name)) != NULL_TREE)
|
534 |
|
|
{
|
535 |
|
|
class = TREE_TYPE (icv);
|
536 |
|
|
jcf = TYPE_JCF (class);
|
537 |
|
|
}
|
538 |
|
|
else
|
539 |
|
|
jcf = NULL;
|
540 |
|
|
|
541 |
|
|
if (jcf == NULL)
|
542 |
|
|
{
|
543 |
|
|
const char* path_name;
|
544 |
|
|
this_jcf.zipd = NULL;
|
545 |
|
|
jcf = &this_jcf;
|
546 |
|
|
|
547 |
|
|
path_name = find_class (IDENTIFIER_POINTER (name),
|
548 |
|
|
IDENTIFIER_LENGTH (name),
|
549 |
|
|
&this_jcf, 1);
|
550 |
|
|
if (path_name == 0)
|
551 |
|
|
return 0;
|
552 |
|
|
else
|
553 |
|
|
free((char *) path_name);
|
554 |
|
|
}
|
555 |
|
|
|
556 |
|
|
current_jcf = jcf;
|
557 |
|
|
|
558 |
|
|
if (current_jcf->java_source)
|
559 |
|
|
{
|
560 |
|
|
const char *filename = current_jcf->filename;
|
561 |
|
|
char *real_path;
|
562 |
|
|
tree given_file, real_file;
|
563 |
|
|
FILE *finput;
|
564 |
|
|
int generate;
|
565 |
|
|
|
566 |
|
|
java_parser_context_save_global ();
|
567 |
|
|
java_push_parser_context ();
|
568 |
|
|
|
569 |
|
|
given_file = get_identifier (filename);
|
570 |
|
|
filename = IDENTIFIER_POINTER (given_file);
|
571 |
|
|
real_path = lrealpath (filename);
|
572 |
|
|
real_file = get_identifier (real_path);
|
573 |
|
|
free (real_path);
|
574 |
|
|
|
575 |
|
|
generate = IS_A_COMMAND_LINE_FILENAME_P (given_file);
|
576 |
|
|
output_class = current_class = NULL_TREE;
|
577 |
|
|
current_function_decl = NULL_TREE;
|
578 |
|
|
|
579 |
|
|
if (! HAS_BEEN_ALREADY_PARSED_P (real_file))
|
580 |
|
|
{
|
581 |
|
|
if (! (finput = fopen (filename, "r")))
|
582 |
|
|
fatal_error ("can't reopen %s: %m", filename);
|
583 |
|
|
|
584 |
|
|
parse_source_file_1 (real_file, filename, finput);
|
585 |
|
|
parse_source_file_2 ();
|
586 |
|
|
parse_source_file_3 ();
|
587 |
|
|
|
588 |
|
|
if (fclose (finput))
|
589 |
|
|
fatal_error ("can't close %s: %m", input_filename);
|
590 |
|
|
#ifdef USE_MAPPED_LOCATION
|
591 |
|
|
linemap_add (&line_table, LC_LEAVE, false, NULL, 0);
|
592 |
|
|
#endif
|
593 |
|
|
}
|
594 |
|
|
JCF_FINISH (current_jcf);
|
595 |
|
|
java_pop_parser_context (generate);
|
596 |
|
|
java_parser_context_restore_global ();
|
597 |
|
|
}
|
598 |
|
|
else
|
599 |
|
|
{
|
600 |
|
|
if (class == NULL_TREE || ! CLASS_PARSED_P (class))
|
601 |
|
|
{
|
602 |
|
|
java_parser_context_save_global ();
|
603 |
|
|
java_push_parser_context ();
|
604 |
|
|
output_class = current_class = class;
|
605 |
|
|
ctxp->save_location = input_location;
|
606 |
|
|
if (JCF_SEEN_IN_ZIP (current_jcf))
|
607 |
|
|
read_zip_member(current_jcf,
|
608 |
|
|
current_jcf->zipd, current_jcf->zipd->zipf);
|
609 |
|
|
jcf_parse (current_jcf);
|
610 |
|
|
/* Parsing might change the class, in which case we have to
|
611 |
|
|
put it back where we found it. */
|
612 |
|
|
if (current_class != class && icv != NULL_TREE)
|
613 |
|
|
TREE_TYPE (icv) = current_class;
|
614 |
|
|
class = current_class;
|
615 |
|
|
java_pop_parser_context (0);
|
616 |
|
|
java_parser_context_restore_global ();
|
617 |
|
|
}
|
618 |
|
|
layout_class (class);
|
619 |
|
|
load_inner_classes (class);
|
620 |
|
|
}
|
621 |
|
|
|
622 |
|
|
output_class = save_output_class;
|
623 |
|
|
current_class = save_current_class;
|
624 |
|
|
input_location = save_location;
|
625 |
|
|
current_jcf = save_current_jcf;
|
626 |
|
|
return 1;
|
627 |
|
|
}
|
628 |
|
|
|
629 |
|
|
/* Load CLASS_OR_NAME. CLASS_OR_NAME can be a mere identifier if
|
630 |
|
|
called from the parser, otherwise it's a RECORD_TYPE node. If
|
631 |
|
|
VERBOSE is 1, print error message on failure to load a class. */
|
632 |
|
|
void
|
633 |
|
|
load_class (tree class_or_name, int verbose)
|
634 |
|
|
{
|
635 |
|
|
tree name, saved;
|
636 |
|
|
int class_loaded = 0;
|
637 |
|
|
tree class_decl = NULL_TREE;
|
638 |
|
|
bool is_compiled_class = false;
|
639 |
|
|
|
640 |
|
|
/* We've already failed, don't try again. */
|
641 |
|
|
if (TREE_CODE (class_or_name) == RECORD_TYPE
|
642 |
|
|
&& TYPE_DUMMY (class_or_name))
|
643 |
|
|
return;
|
644 |
|
|
|
645 |
|
|
/* class_or_name can be the name of the class we want to load */
|
646 |
|
|
if (TREE_CODE (class_or_name) == IDENTIFIER_NODE)
|
647 |
|
|
name = class_or_name;
|
648 |
|
|
/* In some cases, it's a dependency that we process earlier that
|
649 |
|
|
we though */
|
650 |
|
|
else if (TREE_CODE (class_or_name) == TREE_LIST)
|
651 |
|
|
name = TYPE_NAME (TREE_PURPOSE (class_or_name));
|
652 |
|
|
/* Or it's a type in the making */
|
653 |
|
|
else
|
654 |
|
|
name = DECL_NAME (TYPE_NAME (class_or_name));
|
655 |
|
|
|
656 |
|
|
class_decl = IDENTIFIER_CLASS_VALUE (name);
|
657 |
|
|
if (class_decl != NULL_TREE)
|
658 |
|
|
{
|
659 |
|
|
tree type = TREE_TYPE (class_decl);
|
660 |
|
|
is_compiled_class
|
661 |
|
|
= ((TYPE_JCF (type) && JCF_SEEN_IN_ZIP (TYPE_JCF (type)))
|
662 |
|
|
|| CLASS_FROM_CURRENTLY_COMPILED_P (type));
|
663 |
|
|
}
|
664 |
|
|
|
665 |
|
|
/* If the class is from source code, then it must already be loaded. */
|
666 |
|
|
class_decl = IDENTIFIER_CLASS_VALUE (name);
|
667 |
|
|
if (class_decl && CLASS_FROM_SOURCE_P (TREE_TYPE (class_decl)))
|
668 |
|
|
return;
|
669 |
|
|
|
670 |
|
|
saved = name;
|
671 |
|
|
|
672 |
|
|
/* If flag_verify_invocations is unset, we don't try to load a class
|
673 |
|
|
unless we're looking for Object (which is fixed by the ABI) or
|
674 |
|
|
it's a class that we're going to compile. */
|
675 |
|
|
if (flag_verify_invocations
|
676 |
|
|
|| class_or_name == object_type_node
|
677 |
|
|
|| is_compiled_class
|
678 |
|
|
|| TREE_CODE (class_or_name) == IDENTIFIER_NODE)
|
679 |
|
|
{
|
680 |
|
|
while (1)
|
681 |
|
|
{
|
682 |
|
|
char *separator;
|
683 |
|
|
|
684 |
|
|
/* We've already loaded it. */
|
685 |
|
|
if (IDENTIFIER_CLASS_VALUE (name) != NULL_TREE)
|
686 |
|
|
{
|
687 |
|
|
tree tmp_decl = IDENTIFIER_CLASS_VALUE (name);
|
688 |
|
|
if (CLASS_PARSED_P (TREE_TYPE (tmp_decl)))
|
689 |
|
|
break;
|
690 |
|
|
}
|
691 |
|
|
|
692 |
|
|
if (read_class (name))
|
693 |
|
|
break;
|
694 |
|
|
|
695 |
|
|
/* We failed loading name. Now consider that we might be looking
|
696 |
|
|
for an inner class. */
|
697 |
|
|
if ((separator = strrchr (IDENTIFIER_POINTER (name), '$'))
|
698 |
|
|
|| (separator = strrchr (IDENTIFIER_POINTER (name), '.')))
|
699 |
|
|
{
|
700 |
|
|
int c = *separator;
|
701 |
|
|
*separator = '\0';
|
702 |
|
|
name = get_identifier (IDENTIFIER_POINTER (name));
|
703 |
|
|
*separator = c;
|
704 |
|
|
}
|
705 |
|
|
/* Otherwise, we failed, we bail. */
|
706 |
|
|
else
|
707 |
|
|
break;
|
708 |
|
|
}
|
709 |
|
|
|
710 |
|
|
{
|
711 |
|
|
/* have we found the class we're looking for? */
|
712 |
|
|
tree type_decl = IDENTIFIER_CLASS_VALUE (saved);
|
713 |
|
|
tree type = type_decl ? TREE_TYPE (type_decl) : NULL;
|
714 |
|
|
class_loaded = type && CLASS_PARSED_P (type);
|
715 |
|
|
}
|
716 |
|
|
}
|
717 |
|
|
|
718 |
|
|
if (!class_loaded)
|
719 |
|
|
{
|
720 |
|
|
if (flag_verify_invocations || ! flag_indirect_dispatch
|
721 |
|
|
|| flag_emit_class_files)
|
722 |
|
|
{
|
723 |
|
|
if (verbose)
|
724 |
|
|
error ("cannot find file for class %s", IDENTIFIER_POINTER (saved));
|
725 |
|
|
}
|
726 |
|
|
else if (verbose)
|
727 |
|
|
{
|
728 |
|
|
/* This is just a diagnostic during testing, not a real problem. */
|
729 |
|
|
if (!quiet_flag)
|
730 |
|
|
warning (0, "cannot find file for class %s",
|
731 |
|
|
IDENTIFIER_POINTER (saved));
|
732 |
|
|
|
733 |
|
|
/* Fake it. */
|
734 |
|
|
if (TREE_CODE (class_or_name) == RECORD_TYPE)
|
735 |
|
|
{
|
736 |
|
|
set_super_info (0, class_or_name, object_type_node, 0);
|
737 |
|
|
TYPE_DUMMY (class_or_name) = 1;
|
738 |
|
|
/* We won't be able to output any debug info for this class. */
|
739 |
|
|
DECL_IGNORED_P (TYPE_NAME (class_or_name)) = 1;
|
740 |
|
|
}
|
741 |
|
|
}
|
742 |
|
|
}
|
743 |
|
|
}
|
744 |
|
|
|
745 |
|
|
/* Parse the .class file JCF. */
|
746 |
|
|
|
747 |
|
|
static void
|
748 |
|
|
jcf_parse (JCF* jcf)
|
749 |
|
|
{
|
750 |
|
|
int i, code;
|
751 |
|
|
|
752 |
|
|
if (jcf_parse_preamble (jcf) != 0)
|
753 |
|
|
fatal_error ("not a valid Java .class file");
|
754 |
|
|
code = jcf_parse_constant_pool (jcf);
|
755 |
|
|
if (code != 0)
|
756 |
|
|
fatal_error ("error while parsing constant pool");
|
757 |
|
|
code = verify_constant_pool (jcf);
|
758 |
|
|
if (code > 0)
|
759 |
|
|
fatal_error ("error in constant pool entry #%d\n", code);
|
760 |
|
|
|
761 |
|
|
jcf_parse_class (jcf);
|
762 |
|
|
if (main_class == NULL_TREE)
|
763 |
|
|
main_class = current_class;
|
764 |
|
|
if (! quiet_flag && TYPE_NAME (current_class))
|
765 |
|
|
fprintf (stderr, " %s %s",
|
766 |
|
|
(jcf->access_flags & ACC_INTERFACE) ? "interface" : "class",
|
767 |
|
|
IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class))));
|
768 |
|
|
if (CLASS_PARSED_P (current_class))
|
769 |
|
|
{
|
770 |
|
|
/* FIXME - where was first time */
|
771 |
|
|
fatal_error ("reading class %s for the second time from %s",
|
772 |
|
|
IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (current_class))),
|
773 |
|
|
jcf->filename);
|
774 |
|
|
}
|
775 |
|
|
CLASS_PARSED_P (current_class) = 1;
|
776 |
|
|
|
777 |
|
|
for (i = 1; i < JPOOL_SIZE(jcf); i++)
|
778 |
|
|
{
|
779 |
|
|
switch (JPOOL_TAG (jcf, i))
|
780 |
|
|
{
|
781 |
|
|
case CONSTANT_Class:
|
782 |
|
|
get_class_constant (jcf, i);
|
783 |
|
|
break;
|
784 |
|
|
}
|
785 |
|
|
}
|
786 |
|
|
|
787 |
|
|
code = jcf_parse_fields (jcf);
|
788 |
|
|
if (code != 0)
|
789 |
|
|
fatal_error ("error while parsing fields");
|
790 |
|
|
code = jcf_parse_methods (jcf);
|
791 |
|
|
if (code != 0)
|
792 |
|
|
fatal_error ("error while parsing methods");
|
793 |
|
|
code = jcf_parse_final_attributes (jcf);
|
794 |
|
|
if (code != 0)
|
795 |
|
|
fatal_error ("error while parsing final attributes");
|
796 |
|
|
#ifdef USE_MAPPED_LOCATION
|
797 |
|
|
linemap_add (&line_table, LC_LEAVE, false, NULL, 0);
|
798 |
|
|
#endif
|
799 |
|
|
|
800 |
|
|
/* The fields of class_type_node are already in correct order. */
|
801 |
|
|
if (current_class != class_type_node && current_class != object_type_node)
|
802 |
|
|
TYPE_FIELDS (current_class) = nreverse (TYPE_FIELDS (current_class));
|
803 |
|
|
|
804 |
|
|
if (current_class == object_type_node)
|
805 |
|
|
{
|
806 |
|
|
layout_class_methods (object_type_node);
|
807 |
|
|
/* If we don't have the right archive, emit a verbose warning.
|
808 |
|
|
If we're generating bytecode, emit the warning only if
|
809 |
|
|
-fforce-classes-archive-check was specified. */
|
810 |
|
|
if (!jcf->right_zip
|
811 |
|
|
&& (!flag_emit_class_files || flag_force_classes_archive_check))
|
812 |
|
|
fatal_error ("the %<java.lang.Object%> that was found in %qs didn't have the special zero-length %<gnu.gcj.gcj-compiled%> attribute. This generally means that your classpath is incorrectly set. Use %<info gcj \"Input Options\"%> to see the info page describing how to set the classpath", jcf->filename);
|
813 |
|
|
}
|
814 |
|
|
else
|
815 |
|
|
all_class_list = tree_cons (NULL_TREE,
|
816 |
|
|
TYPE_NAME (current_class), all_class_list );
|
817 |
|
|
}
|
818 |
|
|
|
819 |
|
|
/* If we came across inner classes, load them now. */
|
820 |
|
|
static void
|
821 |
|
|
load_inner_classes (tree cur_class)
|
822 |
|
|
{
|
823 |
|
|
tree current;
|
824 |
|
|
for (current = DECL_INNER_CLASS_LIST (TYPE_NAME (cur_class)); current;
|
825 |
|
|
current = TREE_CHAIN (current))
|
826 |
|
|
{
|
827 |
|
|
tree name = DECL_NAME (TREE_PURPOSE (current));
|
828 |
|
|
tree decl = IDENTIFIER_GLOBAL_VALUE (name);
|
829 |
|
|
if (decl && ! CLASS_LOADED_P (TREE_TYPE (decl))
|
830 |
|
|
&& !CLASS_BEING_LAIDOUT (TREE_TYPE (decl)))
|
831 |
|
|
load_class (name, 1);
|
832 |
|
|
}
|
833 |
|
|
}
|
834 |
|
|
|
835 |
|
|
static void
|
836 |
|
|
duplicate_class_warning (const char *filename)
|
837 |
|
|
{
|
838 |
|
|
location_t warn_loc;
|
839 |
|
|
#ifdef USE_MAPPED_LOCATION
|
840 |
|
|
linemap_add (&line_table, LC_RENAME, 0, filename, 0);
|
841 |
|
|
warn_loc = linemap_line_start (&line_table, 0, 1);
|
842 |
|
|
#else
|
843 |
|
|
warn_loc.file = filename;
|
844 |
|
|
warn_loc.line = 0;
|
845 |
|
|
#endif
|
846 |
|
|
warning (0, "%Hduplicate class will only be compiled once", &warn_loc);
|
847 |
|
|
}
|
848 |
|
|
|
849 |
|
|
static void
|
850 |
|
|
parse_class_file (void)
|
851 |
|
|
{
|
852 |
|
|
tree method;
|
853 |
|
|
location_t save_location = input_location;
|
854 |
|
|
|
855 |
|
|
java_layout_seen_class_methods ();
|
856 |
|
|
|
857 |
|
|
input_location = DECL_SOURCE_LOCATION (TYPE_NAME (current_class));
|
858 |
|
|
file_start_location = input_location;
|
859 |
|
|
(*debug_hooks->start_source_file) (input_line, input_filename);
|
860 |
|
|
|
861 |
|
|
gen_indirect_dispatch_tables (current_class);
|
862 |
|
|
|
863 |
|
|
java_mark_class_local (current_class);
|
864 |
|
|
|
865 |
|
|
for (method = TYPE_METHODS (current_class);
|
866 |
|
|
method != NULL_TREE; method = TREE_CHAIN (method))
|
867 |
|
|
{
|
868 |
|
|
JCF *jcf = current_jcf;
|
869 |
|
|
|
870 |
|
|
if (METHOD_ABSTRACT (method) || METHOD_DUMMY (method))
|
871 |
|
|
continue;
|
872 |
|
|
|
873 |
|
|
if (METHOD_NATIVE (method))
|
874 |
|
|
{
|
875 |
|
|
tree arg;
|
876 |
|
|
int decl_max_locals;
|
877 |
|
|
|
878 |
|
|
if (! flag_jni)
|
879 |
|
|
continue;
|
880 |
|
|
/* We need to compute the DECL_MAX_LOCALS. We need to take
|
881 |
|
|
the wide types into account too. */
|
882 |
|
|
for (arg = TYPE_ARG_TYPES (TREE_TYPE (method)), decl_max_locals = 0;
|
883 |
|
|
arg != end_params_node;
|
884 |
|
|
arg = TREE_CHAIN (arg), decl_max_locals += 1)
|
885 |
|
|
{
|
886 |
|
|
if (TREE_VALUE (arg) && TYPE_IS_WIDE (TREE_VALUE (arg)))
|
887 |
|
|
decl_max_locals += 1;
|
888 |
|
|
}
|
889 |
|
|
DECL_MAX_LOCALS (method) = decl_max_locals;
|
890 |
|
|
start_java_method (method);
|
891 |
|
|
give_name_to_locals (jcf);
|
892 |
|
|
*get_stmts () = build_jni_stub (method);
|
893 |
|
|
end_java_method ();
|
894 |
|
|
continue;
|
895 |
|
|
}
|
896 |
|
|
|
897 |
|
|
if (DECL_CODE_OFFSET (method) == 0)
|
898 |
|
|
{
|
899 |
|
|
current_function_decl = method;
|
900 |
|
|
error ("missing Code attribute");
|
901 |
|
|
continue;
|
902 |
|
|
}
|
903 |
|
|
|
904 |
|
|
input_location = DECL_SOURCE_LOCATION (TYPE_NAME (current_class));
|
905 |
|
|
if (DECL_LINENUMBERS_OFFSET (method))
|
906 |
|
|
{
|
907 |
|
|
int i;
|
908 |
|
|
int min_line = 0;
|
909 |
|
|
unsigned char *ptr;
|
910 |
|
|
JCF_SEEK (jcf, DECL_LINENUMBERS_OFFSET (method));
|
911 |
|
|
linenumber_count = i = JCF_readu2 (jcf);
|
912 |
|
|
linenumber_table = ptr = jcf->read_ptr;
|
913 |
|
|
|
914 |
|
|
for (ptr += 2; --i >= 0; ptr += 4)
|
915 |
|
|
{
|
916 |
|
|
int line = GET_u2 (ptr);
|
917 |
|
|
/* Set initial input_line to smallest linenumber.
|
918 |
|
|
* Needs to be set before init_function_start. */
|
919 |
|
|
if (min_line == 0 || line < min_line)
|
920 |
|
|
min_line = line;
|
921 |
|
|
}
|
922 |
|
|
#ifdef USE_MAPPED_LOCATION
|
923 |
|
|
if (min_line != 0)
|
924 |
|
|
input_location = linemap_line_start (&line_table, min_line, 1);
|
925 |
|
|
#else
|
926 |
|
|
if (min_line != 0)
|
927 |
|
|
input_line = min_line;
|
928 |
|
|
#endif
|
929 |
|
|
}
|
930 |
|
|
else
|
931 |
|
|
{
|
932 |
|
|
linenumber_table = NULL;
|
933 |
|
|
linenumber_count = 0;
|
934 |
|
|
}
|
935 |
|
|
|
936 |
|
|
start_java_method (method);
|
937 |
|
|
|
938 |
|
|
note_instructions (jcf, method);
|
939 |
|
|
|
940 |
|
|
give_name_to_locals (jcf);
|
941 |
|
|
|
942 |
|
|
/* Bump up start_label_pc_this_method so we get a unique label number
|
943 |
|
|
and reset highest_label_pc_this_method. */
|
944 |
|
|
if (highest_label_pc_this_method >= 0)
|
945 |
|
|
{
|
946 |
|
|
/* We adjust to the next multiple of 1000. This is just a frill
|
947 |
|
|
so the last 3 digits of the label number match the bytecode
|
948 |
|
|
offset, which might make debugging marginally more convenient. */
|
949 |
|
|
start_label_pc_this_method
|
950 |
|
|
= ((((start_label_pc_this_method + highest_label_pc_this_method)
|
951 |
|
|
/ 1000)
|
952 |
|
|
+ 1)
|
953 |
|
|
* 1000);
|
954 |
|
|
highest_label_pc_this_method = -1;
|
955 |
|
|
}
|
956 |
|
|
|
957 |
|
|
/* Convert bytecode to trees. */
|
958 |
|
|
expand_byte_code (jcf, method);
|
959 |
|
|
|
960 |
|
|
end_java_method ();
|
961 |
|
|
}
|
962 |
|
|
|
963 |
|
|
if (flag_emit_class_files)
|
964 |
|
|
write_classfile (current_class);
|
965 |
|
|
|
966 |
|
|
finish_class ();
|
967 |
|
|
|
968 |
|
|
(*debug_hooks->end_source_file) (LOCATION_LINE (save_location));
|
969 |
|
|
input_location = save_location;
|
970 |
|
|
}
|
971 |
|
|
|
972 |
|
|
/* Parse a source file, as pointed by the current value of INPUT_FILENAME. */
|
973 |
|
|
|
974 |
|
|
static void
|
975 |
|
|
parse_source_file_1 (tree real_file, const char *filename, FILE *finput)
|
976 |
|
|
{
|
977 |
|
|
int save_error_count = java_error_count;
|
978 |
|
|
|
979 |
|
|
/* Mark the file as parsed. */
|
980 |
|
|
HAS_BEEN_ALREADY_PARSED_P (real_file) = 1;
|
981 |
|
|
|
982 |
|
|
lang_init_source (1); /* Error msgs have no method prototypes */
|
983 |
|
|
|
984 |
|
|
/* There's no point in trying to find the current encoding unless we
|
985 |
|
|
are going to do something intelligent with it -- hence the test
|
986 |
|
|
for iconv. */
|
987 |
|
|
#if defined (HAVE_LOCALE_H) && defined (HAVE_ICONV) && defined (HAVE_LANGINFO_CODESET)
|
988 |
|
|
setlocale (LC_CTYPE, "");
|
989 |
|
|
if (current_encoding == NULL)
|
990 |
|
|
current_encoding = nl_langinfo (CODESET);
|
991 |
|
|
#endif
|
992 |
|
|
if (current_encoding == NULL || *current_encoding == '\0')
|
993 |
|
|
current_encoding = DEFAULT_ENCODING;
|
994 |
|
|
|
995 |
|
|
#ifdef USE_MAPPED_LOCATION
|
996 |
|
|
linemap_add (&line_table, LC_ENTER, false, filename, 0);
|
997 |
|
|
input_location = linemap_line_start (&line_table, 0, 125);
|
998 |
|
|
#else
|
999 |
|
|
input_filename = filename;
|
1000 |
|
|
input_line = 0;
|
1001 |
|
|
#endif
|
1002 |
|
|
ctxp->file_start_location = input_location;
|
1003 |
|
|
ctxp->filename = filename;
|
1004 |
|
|
|
1005 |
|
|
jcf_dependency_add_file (input_filename, 0);
|
1006 |
|
|
|
1007 |
|
|
/* Initialize the parser */
|
1008 |
|
|
java_init_lex (finput, current_encoding);
|
1009 |
|
|
java_parse_abort_on_error ();
|
1010 |
|
|
|
1011 |
|
|
java_parse (); /* Parse and build partial tree nodes. */
|
1012 |
|
|
java_parse_abort_on_error ();
|
1013 |
|
|
}
|
1014 |
|
|
|
1015 |
|
|
/* Process a parsed source file, resolving names etc. */
|
1016 |
|
|
|
1017 |
|
|
static void
|
1018 |
|
|
parse_source_file_2 (void)
|
1019 |
|
|
{
|
1020 |
|
|
int save_error_count = java_error_count;
|
1021 |
|
|
flag_verify_invocations = true;
|
1022 |
|
|
java_complete_class (); /* Parse unsatisfied class decl. */
|
1023 |
|
|
java_parse_abort_on_error ();
|
1024 |
|
|
}
|
1025 |
|
|
|
1026 |
|
|
static void
|
1027 |
|
|
parse_source_file_3 (void)
|
1028 |
|
|
{
|
1029 |
|
|
int save_error_count = java_error_count;
|
1030 |
|
|
java_check_circular_reference (); /* Check on circular references */
|
1031 |
|
|
java_parse_abort_on_error ();
|
1032 |
|
|
java_fix_constructors (); /* Fix the constructors */
|
1033 |
|
|
java_parse_abort_on_error ();
|
1034 |
|
|
java_reorder_fields (); /* Reorder the fields */
|
1035 |
|
|
}
|
1036 |
|
|
|
1037 |
|
|
void
|
1038 |
|
|
add_predefined_file (tree name)
|
1039 |
|
|
{
|
1040 |
|
|
predef_filenames = tree_cons (NULL_TREE, name, predef_filenames);
|
1041 |
|
|
}
|
1042 |
|
|
|
1043 |
|
|
int
|
1044 |
|
|
predefined_filename_p (tree node)
|
1045 |
|
|
{
|
1046 |
|
|
tree iter;
|
1047 |
|
|
|
1048 |
|
|
for (iter = predef_filenames; iter != NULL_TREE; iter = TREE_CHAIN (iter))
|
1049 |
|
|
{
|
1050 |
|
|
if (TREE_VALUE (iter) == node)
|
1051 |
|
|
return 1;
|
1052 |
|
|
}
|
1053 |
|
|
return 0;
|
1054 |
|
|
}
|
1055 |
|
|
|
1056 |
|
|
/* Generate a function that does all static initialization for this
|
1057 |
|
|
translation unit. */
|
1058 |
|
|
|
1059 |
|
|
static void
|
1060 |
|
|
java_emit_static_constructor (void)
|
1061 |
|
|
{
|
1062 |
|
|
tree body = NULL;
|
1063 |
|
|
|
1064 |
|
|
emit_register_classes (&body);
|
1065 |
|
|
write_resource_constructor (&body);
|
1066 |
|
|
|
1067 |
|
|
if (body)
|
1068 |
|
|
cgraph_build_static_cdtor ('I', body, DEFAULT_INIT_PRIORITY);
|
1069 |
|
|
}
|
1070 |
|
|
|
1071 |
|
|
void
|
1072 |
|
|
java_parse_file (int set_yydebug ATTRIBUTE_UNUSED)
|
1073 |
|
|
{
|
1074 |
|
|
int filename_count = 0;
|
1075 |
|
|
location_t save_location = input_location;
|
1076 |
|
|
char *file_list = NULL, *list, *next;
|
1077 |
|
|
tree node;
|
1078 |
|
|
FILE *finput = NULL;
|
1079 |
|
|
int in_quotes = 0;
|
1080 |
|
|
|
1081 |
|
|
if (flag_filelist_file)
|
1082 |
|
|
{
|
1083 |
|
|
int avail = 2000;
|
1084 |
|
|
finput = fopen (main_input_filename, "r");
|
1085 |
|
|
if (finput == NULL)
|
1086 |
|
|
fatal_error ("can't open %s: %m", input_filename);
|
1087 |
|
|
list = xmalloc(avail);
|
1088 |
|
|
next = list;
|
1089 |
|
|
for (;;)
|
1090 |
|
|
{
|
1091 |
|
|
int count;
|
1092 |
|
|
if (avail < 500)
|
1093 |
|
|
{
|
1094 |
|
|
count = next - list;
|
1095 |
|
|
avail = 2 * (count + avail);
|
1096 |
|
|
list = xrealloc (list, avail);
|
1097 |
|
|
next = list + count;
|
1098 |
|
|
avail = avail - count;
|
1099 |
|
|
}
|
1100 |
|
|
/* Subtract to to guarantee space for final '\0'. */
|
1101 |
|
|
count = fread (next, 1, avail - 1, finput);
|
1102 |
|
|
if (count == 0)
|
1103 |
|
|
{
|
1104 |
|
|
if (! feof (finput))
|
1105 |
|
|
fatal_error ("error closing %s: %m", input_filename);
|
1106 |
|
|
*next = '\0';
|
1107 |
|
|
break;
|
1108 |
|
|
}
|
1109 |
|
|
avail -= count;
|
1110 |
|
|
next += count;
|
1111 |
|
|
}
|
1112 |
|
|
fclose (finput);
|
1113 |
|
|
finput = NULL;
|
1114 |
|
|
file_list = list;
|
1115 |
|
|
}
|
1116 |
|
|
else
|
1117 |
|
|
list = (char *) main_input_filename;
|
1118 |
|
|
|
1119 |
|
|
while (list)
|
1120 |
|
|
{
|
1121 |
|
|
for (next = list; ; )
|
1122 |
|
|
{
|
1123 |
|
|
char ch = *next;
|
1124 |
|
|
if (flag_filelist_file && ! in_quotes
|
1125 |
|
|
&& (ch == '\n' || ch == '\r' || ch == '\t' || ch == ' '
|
1126 |
|
|
|| ch == '&') /* FIXME */)
|
1127 |
|
|
{
|
1128 |
|
|
if (next == list)
|
1129 |
|
|
{
|
1130 |
|
|
next++;
|
1131 |
|
|
list = next;
|
1132 |
|
|
continue;
|
1133 |
|
|
}
|
1134 |
|
|
else
|
1135 |
|
|
{
|
1136 |
|
|
*next++ = '\0';
|
1137 |
|
|
break;
|
1138 |
|
|
}
|
1139 |
|
|
}
|
1140 |
|
|
if (flag_filelist_file && ch == '"')
|
1141 |
|
|
{
|
1142 |
|
|
in_quotes = ! in_quotes;
|
1143 |
|
|
*next++ = '\0';
|
1144 |
|
|
if (in_quotes)
|
1145 |
|
|
list = next;
|
1146 |
|
|
else
|
1147 |
|
|
break;
|
1148 |
|
|
}
|
1149 |
|
|
if (ch == '\0')
|
1150 |
|
|
{
|
1151 |
|
|
next = NULL;
|
1152 |
|
|
break;
|
1153 |
|
|
}
|
1154 |
|
|
next++;
|
1155 |
|
|
}
|
1156 |
|
|
|
1157 |
|
|
if (list[0])
|
1158 |
|
|
{
|
1159 |
|
|
node = get_identifier (list);
|
1160 |
|
|
|
1161 |
|
|
filename_count++;
|
1162 |
|
|
|
1163 |
|
|
/* Exclude file that we see twice on the command line. */
|
1164 |
|
|
|
1165 |
|
|
if (IS_A_COMMAND_LINE_FILENAME_P (node))
|
1166 |
|
|
duplicate_class_warning (IDENTIFIER_POINTER (node));
|
1167 |
|
|
else
|
1168 |
|
|
{
|
1169 |
|
|
tree file_decl = build_decl (TRANSLATION_UNIT_DECL, node, NULL);
|
1170 |
|
|
TREE_CHAIN (file_decl) = current_file_list;
|
1171 |
|
|
current_file_list = file_decl;
|
1172 |
|
|
IS_A_COMMAND_LINE_FILENAME_P (node) = 1;
|
1173 |
|
|
}
|
1174 |
|
|
}
|
1175 |
|
|
list = next;
|
1176 |
|
|
}
|
1177 |
|
|
|
1178 |
|
|
if (file_list != NULL)
|
1179 |
|
|
free (file_list);
|
1180 |
|
|
|
1181 |
|
|
if (filename_count == 0)
|
1182 |
|
|
warning (0, "no input file specified");
|
1183 |
|
|
|
1184 |
|
|
if (resource_name)
|
1185 |
|
|
{
|
1186 |
|
|
const char *resource_filename;
|
1187 |
|
|
|
1188 |
|
|
/* Only one resource file may be compiled at a time. */
|
1189 |
|
|
assert (TREE_CHAIN (current_file_list) == NULL);
|
1190 |
|
|
|
1191 |
|
|
resource_filename = IDENTIFIER_POINTER (DECL_NAME (current_file_list));
|
1192 |
|
|
compile_resource_file (resource_name, resource_filename);
|
1193 |
|
|
|
1194 |
|
|
goto finish;
|
1195 |
|
|
}
|
1196 |
|
|
|
1197 |
|
|
current_jcf = main_jcf;
|
1198 |
|
|
current_file_list = nreverse (current_file_list);
|
1199 |
|
|
for (node = current_file_list; node; node = TREE_CHAIN (node))
|
1200 |
|
|
{
|
1201 |
|
|
unsigned char magic_string[4];
|
1202 |
|
|
char *real_path;
|
1203 |
|
|
uint32 magic = 0;
|
1204 |
|
|
tree name = DECL_NAME (node);
|
1205 |
|
|
tree real_file;
|
1206 |
|
|
const char *filename = IDENTIFIER_POINTER (name);
|
1207 |
|
|
|
1208 |
|
|
/* Skip already parsed files */
|
1209 |
|
|
real_path = lrealpath (filename);
|
1210 |
|
|
real_file = get_identifier (real_path);
|
1211 |
|
|
free (real_path);
|
1212 |
|
|
if (HAS_BEEN_ALREADY_PARSED_P (real_file))
|
1213 |
|
|
continue;
|
1214 |
|
|
|
1215 |
|
|
/* Close previous descriptor, if any */
|
1216 |
|
|
if (finput && fclose (finput))
|
1217 |
|
|
fatal_error ("can't close input file %s: %m", main_input_filename);
|
1218 |
|
|
|
1219 |
|
|
finput = fopen (filename, "rb");
|
1220 |
|
|
if (finput == NULL)
|
1221 |
|
|
fatal_error ("can't open %s: %m", filename);
|
1222 |
|
|
|
1223 |
|
|
#ifdef IO_BUFFER_SIZE
|
1224 |
|
|
setvbuf (finput, xmalloc (IO_BUFFER_SIZE),
|
1225 |
|
|
_IOFBF, IO_BUFFER_SIZE);
|
1226 |
|
|
#endif
|
1227 |
|
|
|
1228 |
|
|
/* Figure what kind of file we're dealing with */
|
1229 |
|
|
if (fread (magic_string, 1, 4, finput) == 4)
|
1230 |
|
|
{
|
1231 |
|
|
fseek (finput, 0L, SEEK_SET);
|
1232 |
|
|
magic = GET_u4 (magic_string);
|
1233 |
|
|
}
|
1234 |
|
|
if (magic == 0xcafebabe)
|
1235 |
|
|
{
|
1236 |
|
|
CLASS_FILE_P (node) = 1;
|
1237 |
|
|
current_jcf = ggc_alloc (sizeof (JCF));
|
1238 |
|
|
JCF_ZERO (current_jcf);
|
1239 |
|
|
current_jcf->read_state = finput;
|
1240 |
|
|
current_jcf->filbuf = jcf_filbuf_from_stdio;
|
1241 |
|
|
jcf_parse (current_jcf);
|
1242 |
|
|
DECL_SOURCE_LOCATION (node) = file_start_location;
|
1243 |
|
|
TYPE_JCF (current_class) = current_jcf;
|
1244 |
|
|
if (CLASS_FROM_CURRENTLY_COMPILED_P (current_class))
|
1245 |
|
|
{
|
1246 |
|
|
/* We've already compiled this class. */
|
1247 |
|
|
duplicate_class_warning (filename);
|
1248 |
|
|
continue;
|
1249 |
|
|
}
|
1250 |
|
|
CLASS_FROM_CURRENTLY_COMPILED_P (current_class) = 1;
|
1251 |
|
|
TREE_TYPE (node) = current_class;
|
1252 |
|
|
}
|
1253 |
|
|
else if (magic == (JCF_u4)ZIPMAGIC)
|
1254 |
|
|
{
|
1255 |
|
|
main_jcf = ggc_alloc (sizeof (JCF));
|
1256 |
|
|
JCF_ZERO (main_jcf);
|
1257 |
|
|
main_jcf->read_state = finput;
|
1258 |
|
|
main_jcf->filbuf = jcf_filbuf_from_stdio;
|
1259 |
|
|
#ifdef USE_MAPPED_LOCATION
|
1260 |
|
|
linemap_add (&line_table, LC_ENTER, false, filename, 0);
|
1261 |
|
|
input_location = linemap_line_start (&line_table, 0, 1);
|
1262 |
|
|
#endif
|
1263 |
|
|
if (open_in_zip (main_jcf, filename, NULL, 0) < 0)
|
1264 |
|
|
fatal_error ("bad zip/jar file %s", filename);
|
1265 |
|
|
localToFile = SeenZipFiles;
|
1266 |
|
|
/* Register all the classes defined there. */
|
1267 |
|
|
process_zip_dir (main_jcf->read_state);
|
1268 |
|
|
#ifdef USE_MAPPED_LOCATION
|
1269 |
|
|
linemap_add (&line_table, LC_LEAVE, false, NULL, 0);
|
1270 |
|
|
#endif
|
1271 |
|
|
parse_zip_file_entries ();
|
1272 |
|
|
}
|
1273 |
|
|
else
|
1274 |
|
|
{
|
1275 |
|
|
java_push_parser_context ();
|
1276 |
|
|
java_parser_context_save_global ();
|
1277 |
|
|
|
1278 |
|
|
parse_source_file_1 (real_file, filename, finput);
|
1279 |
|
|
java_parser_context_restore_global ();
|
1280 |
|
|
java_pop_parser_context (1);
|
1281 |
|
|
#ifdef USE_MAPPED_LOCATION
|
1282 |
|
|
linemap_add (&line_table, LC_LEAVE, false, NULL, 0);
|
1283 |
|
|
#endif
|
1284 |
|
|
}
|
1285 |
|
|
}
|
1286 |
|
|
|
1287 |
|
|
for (ctxp = ctxp_for_generation; ctxp; ctxp = ctxp->next)
|
1288 |
|
|
{
|
1289 |
|
|
input_location = ctxp->file_start_location;
|
1290 |
|
|
parse_source_file_2 ();
|
1291 |
|
|
}
|
1292 |
|
|
|
1293 |
|
|
for (ctxp = ctxp_for_generation; ctxp; ctxp = ctxp->next)
|
1294 |
|
|
{
|
1295 |
|
|
input_location = ctxp->file_start_location;
|
1296 |
|
|
parse_source_file_3 ();
|
1297 |
|
|
}
|
1298 |
|
|
|
1299 |
|
|
for (node = current_file_list; node; node = TREE_CHAIN (node))
|
1300 |
|
|
{
|
1301 |
|
|
input_location = DECL_SOURCE_LOCATION (node);
|
1302 |
|
|
if (CLASS_FILE_P (node))
|
1303 |
|
|
{
|
1304 |
|
|
/* FIXME: These two flags really should be independent. We
|
1305 |
|
|
should be able to compile fully binary compatible, but
|
1306 |
|
|
with flag_verify_invocations on. */
|
1307 |
|
|
flag_verify_invocations = ! flag_indirect_dispatch;
|
1308 |
|
|
output_class = current_class = TREE_TYPE (node);
|
1309 |
|
|
|
1310 |
|
|
current_jcf = TYPE_JCF (current_class);
|
1311 |
|
|
layout_class (current_class);
|
1312 |
|
|
load_inner_classes (current_class);
|
1313 |
|
|
parse_class_file ();
|
1314 |
|
|
JCF_FINISH (current_jcf);
|
1315 |
|
|
}
|
1316 |
|
|
}
|
1317 |
|
|
input_location = save_location;
|
1318 |
|
|
|
1319 |
|
|
java_expand_classes ();
|
1320 |
|
|
if (java_report_errors () || flag_syntax_only)
|
1321 |
|
|
return;
|
1322 |
|
|
|
1323 |
|
|
/* Expand all classes compiled from source. */
|
1324 |
|
|
java_finish_classes ();
|
1325 |
|
|
|
1326 |
|
|
finish:
|
1327 |
|
|
/* Arrange for any necessary initialization to happen. */
|
1328 |
|
|
java_emit_static_constructor ();
|
1329 |
|
|
|
1330 |
|
|
/* Only finalize the compilation unit after we've told cgraph which
|
1331 |
|
|
functions have their addresses stored. */
|
1332 |
|
|
cgraph_finalize_compilation_unit ();
|
1333 |
|
|
cgraph_optimize ();
|
1334 |
|
|
}
|
1335 |
|
|
|
1336 |
|
|
|
1337 |
|
|
/* Return the name of the class corresponding to the name of the file
|
1338 |
|
|
in this zip entry. The result is newly allocated using ALLOC. */
|
1339 |
|
|
static char *
|
1340 |
|
|
compute_class_name (struct ZipDirectory *zdir)
|
1341 |
|
|
{
|
1342 |
|
|
char *class_name_in_zip_dir = ZIPDIR_FILENAME (zdir);
|
1343 |
|
|
char *class_name;
|
1344 |
|
|
int i;
|
1345 |
|
|
int filename_length = zdir->filename_length;
|
1346 |
|
|
|
1347 |
|
|
while (filename_length > 2 && strncmp (class_name_in_zip_dir, "./", 2) == 0)
|
1348 |
|
|
{
|
1349 |
|
|
class_name_in_zip_dir += 2;
|
1350 |
|
|
filename_length -= 2;
|
1351 |
|
|
}
|
1352 |
|
|
|
1353 |
|
|
filename_length -= strlen (".class");
|
1354 |
|
|
class_name = ALLOC (filename_length + 1);
|
1355 |
|
|
memcpy (class_name, class_name_in_zip_dir, filename_length);
|
1356 |
|
|
class_name [filename_length] = '\0';
|
1357 |
|
|
|
1358 |
|
|
for (i = 0; i < filename_length; i++)
|
1359 |
|
|
if (class_name[i] == '/')
|
1360 |
|
|
class_name[i] = '.';
|
1361 |
|
|
|
1362 |
|
|
return class_name;
|
1363 |
|
|
}
|
1364 |
|
|
|
1365 |
|
|
/* Return 0 if we should skip this entry, 1 if it is a .class file, 2
|
1366 |
|
|
if it is a property file of some sort. */
|
1367 |
|
|
static int
|
1368 |
|
|
classify_zip_file (struct ZipDirectory *zdir)
|
1369 |
|
|
{
|
1370 |
|
|
char *class_name_in_zip_dir = ZIPDIR_FILENAME (zdir);
|
1371 |
|
|
|
1372 |
|
|
if (zdir->filename_length > 6
|
1373 |
|
|
&& !strncmp (&class_name_in_zip_dir[zdir->filename_length - 6],
|
1374 |
|
|
".class", 6))
|
1375 |
|
|
return 1;
|
1376 |
|
|
|
1377 |
|
|
/* For now we drop the manifest, but not other information. */
|
1378 |
|
|
if (zdir->filename_length == 20
|
1379 |
|
|
&& !strncmp (class_name_in_zip_dir, "META-INF/MANIFEST.MF", 20))
|
1380 |
|
|
return 0;
|
1381 |
|
|
|
1382 |
|
|
/* Drop directory entries. */
|
1383 |
|
|
if (zdir->filename_length > 0
|
1384 |
|
|
&& class_name_in_zip_dir[zdir->filename_length - 1] == '/')
|
1385 |
|
|
return 0;
|
1386 |
|
|
|
1387 |
|
|
return 2;
|
1388 |
|
|
}
|
1389 |
|
|
|
1390 |
|
|
/* Process all class entries found in the zip file. */
|
1391 |
|
|
static void
|
1392 |
|
|
parse_zip_file_entries (void)
|
1393 |
|
|
{
|
1394 |
|
|
struct ZipDirectory *zdir;
|
1395 |
|
|
int i;
|
1396 |
|
|
|
1397 |
|
|
for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory;
|
1398 |
|
|
i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir))
|
1399 |
|
|
{
|
1400 |
|
|
tree class;
|
1401 |
|
|
|
1402 |
|
|
switch (classify_zip_file (zdir))
|
1403 |
|
|
{
|
1404 |
|
|
case 0:
|
1405 |
|
|
continue;
|
1406 |
|
|
|
1407 |
|
|
case 1:
|
1408 |
|
|
{
|
1409 |
|
|
char *class_name = compute_class_name (zdir);
|
1410 |
|
|
class = lookup_class (get_identifier (class_name));
|
1411 |
|
|
FREE (class_name);
|
1412 |
|
|
current_jcf = TYPE_JCF (class);
|
1413 |
|
|
output_class = current_class = class;
|
1414 |
|
|
|
1415 |
|
|
if (CLASS_FROM_CURRENTLY_COMPILED_P (current_class))
|
1416 |
|
|
{
|
1417 |
|
|
/* We've already compiled this class. */
|
1418 |
|
|
duplicate_class_warning (current_jcf->filename);
|
1419 |
|
|
break;
|
1420 |
|
|
}
|
1421 |
|
|
|
1422 |
|
|
CLASS_FROM_CURRENTLY_COMPILED_P (current_class) = 1;
|
1423 |
|
|
|
1424 |
|
|
if (TYPE_DUMMY (class))
|
1425 |
|
|
{
|
1426 |
|
|
/* This is a dummy class, and now we're compiling it
|
1427 |
|
|
for real. */
|
1428 |
|
|
abort ();
|
1429 |
|
|
}
|
1430 |
|
|
|
1431 |
|
|
/* This is for a corner case where we have a superclass
|
1432 |
|
|
but no superclass fields.
|
1433 |
|
|
|
1434 |
|
|
This can happen if we earlier failed to lay out this
|
1435 |
|
|
class because its superclass was still in the process
|
1436 |
|
|
of being laid out; this occurs when we have recursive
|
1437 |
|
|
class dependencies via inner classes. Setting
|
1438 |
|
|
TYPE_SIZE to null here causes CLASS_LOADED_P to return
|
1439 |
|
|
false, so layout_class() will be called again. */
|
1440 |
|
|
if (TYPE_SIZE (class) && CLASSTYPE_SUPER (class)
|
1441 |
|
|
&& integer_zerop (TYPE_SIZE (class)))
|
1442 |
|
|
TYPE_SIZE (class) = NULL_TREE;
|
1443 |
|
|
|
1444 |
|
|
if (! CLASS_LOADED_P (class))
|
1445 |
|
|
{
|
1446 |
|
|
if (! CLASS_PARSED_P (class))
|
1447 |
|
|
{
|
1448 |
|
|
read_zip_member (current_jcf, zdir, localToFile);
|
1449 |
|
|
jcf_parse (current_jcf);
|
1450 |
|
|
}
|
1451 |
|
|
layout_class (current_class);
|
1452 |
|
|
load_inner_classes (current_class);
|
1453 |
|
|
}
|
1454 |
|
|
|
1455 |
|
|
if (TYPE_SIZE (current_class) != error_mark_node)
|
1456 |
|
|
{
|
1457 |
|
|
parse_class_file ();
|
1458 |
|
|
FREE (current_jcf->buffer); /* No longer necessary */
|
1459 |
|
|
/* Note: there is a way to free this buffer right after a
|
1460 |
|
|
class seen in a zip file has been parsed. The idea is the
|
1461 |
|
|
set its jcf in such a way that buffer will be reallocated
|
1462 |
|
|
the time the code for the class will be generated. FIXME. */
|
1463 |
|
|
}
|
1464 |
|
|
}
|
1465 |
|
|
break;
|
1466 |
|
|
|
1467 |
|
|
case 2:
|
1468 |
|
|
{
|
1469 |
|
|
char *file_name, *class_name_in_zip_dir, *buffer;
|
1470 |
|
|
JCF *jcf;
|
1471 |
|
|
file_name = ALLOC (zdir->filename_length + 1);
|
1472 |
|
|
class_name_in_zip_dir = ZIPDIR_FILENAME (zdir);
|
1473 |
|
|
strncpy (file_name, class_name_in_zip_dir, zdir->filename_length);
|
1474 |
|
|
file_name[zdir->filename_length] = '\0';
|
1475 |
|
|
jcf = ALLOC (sizeof (JCF));
|
1476 |
|
|
JCF_ZERO (jcf);
|
1477 |
|
|
jcf->read_state = finput;
|
1478 |
|
|
jcf->filbuf = jcf_filbuf_from_stdio;
|
1479 |
|
|
jcf->java_source = 0;
|
1480 |
|
|
jcf->classname = NULL;
|
1481 |
|
|
jcf->filename = file_name;
|
1482 |
|
|
jcf->zipd = zdir;
|
1483 |
|
|
|
1484 |
|
|
if (read_zip_member (jcf, zdir, localToFile) < 0)
|
1485 |
|
|
fatal_error ("error while reading %s from zip file", file_name);
|
1486 |
|
|
|
1487 |
|
|
buffer = ALLOC (zdir->filename_length + 1 +
|
1488 |
|
|
(jcf->buffer_end - jcf->buffer));
|
1489 |
|
|
strcpy (buffer, file_name);
|
1490 |
|
|
/* This is not a typo: we overwrite the trailing \0 of the
|
1491 |
|
|
file name; this is just how the data is laid out. */
|
1492 |
|
|
memcpy (buffer + zdir->filename_length,
|
1493 |
|
|
jcf->buffer, jcf->buffer_end - jcf->buffer);
|
1494 |
|
|
|
1495 |
|
|
compile_resource_data (file_name, buffer,
|
1496 |
|
|
jcf->buffer_end - jcf->buffer);
|
1497 |
|
|
JCF_FINISH (jcf);
|
1498 |
|
|
FREE (jcf);
|
1499 |
|
|
FREE (buffer);
|
1500 |
|
|
}
|
1501 |
|
|
break;
|
1502 |
|
|
|
1503 |
|
|
default:
|
1504 |
|
|
abort ();
|
1505 |
|
|
}
|
1506 |
|
|
}
|
1507 |
|
|
}
|
1508 |
|
|
|
1509 |
|
|
/* Read all the entries of the zip file, creates a class and a JCF. Sets the
|
1510 |
|
|
jcf up for further processing and link it to the created class. */
|
1511 |
|
|
|
1512 |
|
|
static void
|
1513 |
|
|
process_zip_dir (FILE *finput)
|
1514 |
|
|
{
|
1515 |
|
|
int i;
|
1516 |
|
|
ZipDirectory *zdir;
|
1517 |
|
|
|
1518 |
|
|
for (i = 0, zdir = (ZipDirectory *)localToFile->central_directory;
|
1519 |
|
|
i < localToFile->count; i++, zdir = ZIPDIR_NEXT (zdir))
|
1520 |
|
|
{
|
1521 |
|
|
char *class_name, *file_name, *class_name_in_zip_dir;
|
1522 |
|
|
tree class;
|
1523 |
|
|
JCF *jcf;
|
1524 |
|
|
|
1525 |
|
|
class_name_in_zip_dir = ZIPDIR_FILENAME (zdir);
|
1526 |
|
|
|
1527 |
|
|
/* Here we skip non-class files; we handle them later. */
|
1528 |
|
|
if (classify_zip_file (zdir) != 1)
|
1529 |
|
|
continue;
|
1530 |
|
|
|
1531 |
|
|
class_name = compute_class_name (zdir);
|
1532 |
|
|
file_name = ALLOC (zdir->filename_length+1);
|
1533 |
|
|
jcf = ggc_alloc (sizeof (JCF));
|
1534 |
|
|
JCF_ZERO (jcf);
|
1535 |
|
|
|
1536 |
|
|
strncpy (file_name, class_name_in_zip_dir, zdir->filename_length);
|
1537 |
|
|
file_name [zdir->filename_length] = '\0';
|
1538 |
|
|
|
1539 |
|
|
class = lookup_class (get_identifier (class_name));
|
1540 |
|
|
|
1541 |
|
|
jcf->read_state = finput;
|
1542 |
|
|
jcf->filbuf = jcf_filbuf_from_stdio;
|
1543 |
|
|
jcf->java_source = 0;
|
1544 |
|
|
jcf->classname = class_name;
|
1545 |
|
|
jcf->filename = file_name;
|
1546 |
|
|
jcf->zipd = zdir;
|
1547 |
|
|
|
1548 |
|
|
TYPE_JCF (class) = jcf;
|
1549 |
|
|
}
|
1550 |
|
|
}
|
1551 |
|
|
|
1552 |
|
|
/* Initialization. */
|
1553 |
|
|
|
1554 |
|
|
void
|
1555 |
|
|
init_jcf_parse (void)
|
1556 |
|
|
{
|
1557 |
|
|
init_src_parse ();
|
1558 |
|
|
}
|
1559 |
|
|
|
1560 |
|
|
#include "gt-java-jcf-parse.h"
|