4b79993fd5
* cccp.c (progname, file_buf, default_include, include_file,
macrodef, definition, hashval, wchar_type, user_label_prefix,
directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
expand_to_temp_buffer, is_system_include, base_name,
absolute_filename, read_name_map, open_include_file,
record_control_macro, check_precompiled, check_preconditions,
pcfinclude, pass_thru_directive, create_definition,
check_macro_name, comp_def_part, collect_expansion,
check_assertion, read_token_list, assertion_install,
assertion_lookup, eval_if_expression, conditional_skip,
validate_else, skip_quoted_string, quote_string, macarg1,
error_from_errno, install, lookup, hashf, dump_defn_1,
perror_with_name, pfatal_with_name, main, trigraph_pcp,
check_white_space, rescan, handle_directive, monthnames,
special_symbol, do_include, remap_include_file, write_output,
arglist, do_assert, do_unassert, do_line, do_error, do_once,
do_ident, do_sccs, do_xifdef, skip_if_group,
output_line_directive, macroexpand, macarg, change_newlines,
initialize_builtins, make_definition): Constify a char*.
* pcp.h (stringdef): Likewise.
From-SVN: r30150
102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
/* pcp.h -- Describes the format of a precompiled file
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Copyright (C) 1990 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC 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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GNU CC 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 GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Structure allocated for every string in a precompiled file */
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typedef struct stringdef STRINGDEF;
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struct stringdef
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{
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U_CHAR *contents; /* String to include */
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int len; /* Its length */
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int writeflag; /* Whether we write this */
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int lineno; /* Linenumber of source file */
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const U_CHAR *filename; /* Name of source file */
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STRINGDEF *chain; /* Global list of strings in natural order */
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int output_mark; /* Where in the output this goes */
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};
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typedef struct keydef KEYDEF;
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struct keydef
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{
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STRINGDEF *str;
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KEYDEF *chain;
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};
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/* Format: */
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/* A precompiled file starts with a series of #define and #undef
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statements:
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#define MAC DEF --- Indicates MAC must be defined with defn DEF
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#define MAC --- Indicates MAC must be defined with any defn
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#undef MAC --- Indicates MAC cannot be defined
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These preconditions must be true for a precompiled file to be used.
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The preconditions section is null terminated. */
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/* Then, there is a four byte number (in network byte order) which */
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/* indicates the number of strings the file contains. */
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/* Each string contains a STRINGDEF structure. The only component of */
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/* the STRINGDEF structure which is used is the lineno field, which */
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/* should hold the line number in the original header file. */
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/* Then follows the string, followed by a null. Then comes a four */
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/* byte number (again, in network byte order) indicating the number */
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/* of keys for this string. Each key is a KEYDEF structure, with */
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/* irrelevant contents, followed by the null-terminated string. */
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/* If the number of keys is 0, then there are no keys for the string, */
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/* in other words, the string will never be included. If the number */
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/* of keys is -1, this is a special flag indicating there are no keys */
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/* in the file, and the string is mandatory (that is, it must be */
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/* included regardless in the included output). */
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/* A file, then, looks like this:
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Precondition 1
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Precondition 2
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.
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.
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.
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<NUL>
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Number of strings
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STRINGDEF
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String . . . <NUL>
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Number of keys
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KEYDEF
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Key . . . <NUL>
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KEYDEF
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Key . . . <NUL>
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.
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.
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.
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STRINGDEF
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String . . . <NUL>
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Number of keys
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KEYDEF
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Key . . . <NUL>
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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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*/
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