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-rw-r--r--gcc-4.2.1-5666.3/gcc/c-ppoutput.c458
1 files changed, 0 insertions, 458 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/c-ppoutput.c b/gcc-4.2.1-5666.3/gcc/c-ppoutput.c
deleted file mode 100644
index 10540b7f1..000000000
--- a/gcc-4.2.1-5666.3/gcc/c-ppoutput.c
+++ /dev/null
@@ -1,458 +0,0 @@
-/* Preprocess only, using cpplib.
- Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
- Written by Per Bothner, 1994-95.
-
-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 2, 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, write to the Free Software
-Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "tm.h"
-#include "cpplib.h"
-#include "../libcpp/internal.h"
-#include "tree.h"
-#include "c-common.h" /* For flags. */
-#include "c-pragma.h" /* For parse_in. */
-
-/* Encapsulates state used to convert a stream of tokens into a text
- file. */
-static struct
-{
- FILE *outf; /* Stream to write to. */
- const cpp_token *prev; /* Previous token. */
- const cpp_token *source; /* Source token for spacing. */
- int src_line; /* Line number currently being written. */
- unsigned char printed; /* Nonzero if something output at line. */
- bool first_time; /* pp_file_change hasn't been called yet. */
-} print;
-
-/* General output routines. */
-static void scan_translation_unit (cpp_reader *);
-static void scan_translation_unit_trad (cpp_reader *);
-static void account_for_newlines (const unsigned char *, size_t);
-static int dump_macro (cpp_reader *, cpp_hashnode *, void *);
-
-static void print_line (source_location, const char *);
-static void maybe_print_line (source_location);
-
-/* Callback routines for the parser. Most of these are active only
- in specific modes. */
-static void cb_line_change (cpp_reader *, const cpp_token *, int);
-static void cb_define (cpp_reader *, source_location, cpp_hashnode *);
-static void cb_undef (cpp_reader *, source_location, cpp_hashnode *);
-static void cb_include (cpp_reader *, source_location, const unsigned char *,
- const char *, int, const cpp_token **);
-static void cb_ident (cpp_reader *, source_location, const cpp_string *);
-static void cb_def_pragma (cpp_reader *, source_location);
-static void cb_read_pch (cpp_reader *pfile, const char *name,
- int fd, const char *orig_name);
-
-/* Preprocess and output. */
-void
-preprocess_file (cpp_reader *pfile)
-{
- /* A successful cpp_read_main_file guarantees that we can call
- cpp_scan_nooutput or cpp_get_token next. */
- if (flag_no_output)
- {
- /* Scan -included buffers, then the main file. */
- while (pfile->buffer->prev)
- cpp_scan_nooutput (pfile);
- cpp_scan_nooutput (pfile);
- }
- else if (cpp_get_options (pfile)->traditional)
- scan_translation_unit_trad (pfile);
- else
- scan_translation_unit (pfile);
-
- /* -dM command line option. Should this be elsewhere? */
- if (flag_dump_macros == 'M')
- cpp_forall_identifiers (pfile, dump_macro, NULL);
-
- /* Flush any pending output. */
- if (print.printed)
- putc ('\n', print.outf);
-}
-
-/* Set up the callbacks as appropriate. */
-void
-init_pp_output (FILE *out_stream)
-{
- cpp_callbacks *cb = cpp_get_callbacks (parse_in);
-
- if (!flag_no_output)
- {
- cb->line_change = cb_line_change;
- /* Don't emit #pragma or #ident directives if we are processing
- assembly language; the assembler may choke on them. */
- if (cpp_get_options (parse_in)->lang != CLK_ASM)
- {
- cb->ident = cb_ident;
- cb->def_pragma = cb_def_pragma;
- }
- }
-
- if (flag_dump_includes)
- cb->include = cb_include;
-
- if (flag_pch_preprocess)
- {
- cb->valid_pch = c_common_valid_pch;
- cb->read_pch = cb_read_pch;
- }
-
- if (flag_dump_macros == 'N' || flag_dump_macros == 'D')
- {
- cb->define = cb_define;
- cb->undef = cb_undef;
- }
-
- /* Initialize the print structure. Setting print.src_line to -1 here is
- a trick to guarantee that the first token of the file will cause
- a linemarker to be output by maybe_print_line. */
- print.src_line = -1;
- print.printed = 0;
- print.prev = 0;
- print.outf = out_stream;
- print.first_time = 1;
-}
-
-/* Writes out the preprocessed file, handling spacing and paste
- avoidance issues. */
-static void
-scan_translation_unit (cpp_reader *pfile)
-{
- bool avoid_paste = false;
-
- print.source = NULL;
- for (;;)
- {
- const cpp_token *token = cpp_get_token (pfile);
-
- if (token->type == CPP_PADDING)
- {
- avoid_paste = true;
- if (print.source == NULL
- || (!(print.source->flags & PREV_WHITE)
- && token->val.source == NULL))
- print.source = token->val.source;
- continue;
- }
-
- if (token->type == CPP_EOF)
- break;
-
- /* Subtle logic to output a space if and only if necessary. */
- if (avoid_paste)
- {
- if (print.source == NULL)
- print.source = token;
- if (print.source->flags & PREV_WHITE
- || (print.prev
- && cpp_avoid_paste (pfile, print.prev, token))
- || (print.prev == NULL && token->type == CPP_HASH))
- putc (' ', print.outf);
- }
- else if (token->flags & PREV_WHITE)
- putc (' ', print.outf);
-
- avoid_paste = false;
- print.source = NULL;
- print.prev = token;
- cpp_output_token (token, print.outf);
-
- if (token->type == CPP_COMMENT)
- account_for_newlines (token->val.str.text, token->val.str.len);
- }
-}
-
-/* Adjust print.src_line for newlines embedded in output. */
-static void
-account_for_newlines (const unsigned char *str, size_t len)
-{
- while (len--)
- if (*str++ == '\n')
- print.src_line++;
-}
-
-/* Writes out a traditionally preprocessed file. */
-static void
-scan_translation_unit_trad (cpp_reader *pfile)
-{
- while (_cpp_read_logical_line_trad (pfile))
- {
- size_t len = pfile->out.cur - pfile->out.base;
- maybe_print_line (pfile->out.first_line);
- fwrite (pfile->out.base, 1, len, print.outf);
- print.printed = 1;
- if (!CPP_OPTION (pfile, discard_comments))
- account_for_newlines (pfile->out.base, len);
- }
-}
-
-/* If the token read on logical line LINE needs to be output on a
- different line to the current one, output the required newlines or
- a line marker, and return 1. Otherwise return 0. */
-static void
-maybe_print_line (source_location src_loc)
-{
- const struct line_map *map = linemap_lookup (&line_table, src_loc);
- int src_line = SOURCE_LINE (map, src_loc);
- /* End the previous line of text. */
- if (print.printed)
- {
- putc ('\n', print.outf);
- print.src_line++;
- print.printed = 0;
- }
-
- if (src_line >= print.src_line && src_line < print.src_line + 8)
- {
- while (src_line > print.src_line)
- {
- putc ('\n', print.outf);
- print.src_line++;
- }
- }
- else
- print_line (src_loc, "");
-}
-
-/* Output a line marker for logical line LINE. Special flags are "1"
- or "2" indicating entering or leaving a file. */
-static void
-print_line (source_location src_loc, const char *special_flags)
-{
- /* End any previous line of text. */
- if (print.printed)
- putc ('\n', print.outf);
- print.printed = 0;
-
- if (!flag_no_line_commands)
- {
- const struct line_map *map = linemap_lookup (&line_table, src_loc);
-
- size_t to_file_len = strlen (map->to_file);
- unsigned char *to_file_quoted =
- (unsigned char *) alloca (to_file_len * 4 + 1);
- unsigned char *p;
-
- print.src_line = SOURCE_LINE (map, src_loc);
-
- /* cpp_quote_string does not nul-terminate, so we have to do it
- ourselves. */
- p = cpp_quote_string (to_file_quoted,
- (unsigned char *) map->to_file, to_file_len);
- *p = '\0';
- fprintf (print.outf, "# %u \"%s\"%s",
- print.src_line == 0 ? 1 : print.src_line,
- to_file_quoted, special_flags);
-
- if (map->sysp == 2)
- fputs (" 3 4", print.outf);
- else if (map->sysp == 1)
- fputs (" 3", print.outf);
-
- putc ('\n', print.outf);
- }
-}
-
-/* Called when a line of output is started. TOKEN is the first token
- of the line, and at end of file will be CPP_EOF. */
-static void
-cb_line_change (cpp_reader *pfile, const cpp_token *token,
- int parsing_args)
-{
- source_location src_loc = token->src_loc;
-
- if (token->type == CPP_EOF || parsing_args)
- return;
-
- maybe_print_line (src_loc);
- print.prev = 0;
- print.source = 0;
-
- /* Supply enough spaces to put this token in its original column,
- one space per column greater than 2, since scan_translation_unit
- will provide a space if PREV_WHITE. Don't bother trying to
- reconstruct tabs; we can't get it right in general, and nothing
- ought to care. Some things do care; the fault lies with them. */
- if (!CPP_OPTION (pfile, traditional))
- {
- const struct line_map *map = linemap_lookup (&line_table, src_loc);
- int spaces = SOURCE_COLUMN (map, src_loc) - 2;
- print.printed = 1;
-
- while (-- spaces >= 0)
- putc (' ', print.outf);
- }
-}
-
-static void
-cb_ident (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
- const cpp_string *str)
-{
- maybe_print_line (line);
- fprintf (print.outf, "#ident %s\n", str->text);
- print.src_line++;
-}
-
-static void
-cb_define (cpp_reader *pfile, source_location line, cpp_hashnode *node)
-{
- maybe_print_line (line);
- fputs ("#define ", print.outf);
-
- /* 'D' is whole definition; 'N' is name only. */
- if (flag_dump_macros == 'D')
- fputs ((const char *) cpp_macro_definition (pfile, node),
- print.outf);
- else
- fputs ((const char *) NODE_NAME (node), print.outf);
-
- putc ('\n', print.outf);
- if (linemap_lookup (&line_table, line)->to_line != 0)
- print.src_line++;
-}
-
-static void
-cb_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
- cpp_hashnode *node)
-{
- maybe_print_line (line);
- fprintf (print.outf, "#undef %s\n", NODE_NAME (node));
- print.src_line++;
-}
-
-static void
-cb_include (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line,
- const unsigned char *dir, const char *header, int angle_brackets,
- const cpp_token **comments)
-{
- maybe_print_line (line);
- if (angle_brackets)
- fprintf (print.outf, "#%s <%s>", dir, header);
- else
- fprintf (print.outf, "#%s \"%s\"", dir, header);
-
- if (comments != NULL)
- {
- while (*comments != NULL)
- {
- if ((*comments)->flags & PREV_WHITE)
- putc (' ', print.outf);
- cpp_output_token (*comments, print.outf);
- ++comments;
- }
- }
-
- putc ('\n', print.outf);
- print.src_line++;
-}
-
-/* Callback called when -fworking-director and -E to emit working
- directory in cpp output file. */
-
-void
-pp_dir_change (cpp_reader *pfile ATTRIBUTE_UNUSED, const char *dir)
-{
- size_t to_file_len = strlen (dir);
- unsigned char *to_file_quoted =
- (unsigned char *) alloca (to_file_len * 4 + 1);
- unsigned char *p;
-
- /* cpp_quote_string does not nul-terminate, so we have to do it ourselves. */
- p = cpp_quote_string (to_file_quoted, (unsigned char *) dir, to_file_len);
- *p = '\0';
- fprintf (print.outf, "# 1 \"%s//\"\n", to_file_quoted);
-}
-
-/* The file name, line number or system header flags have changed, as
- described in MAP. */
-
-void
-pp_file_change (const struct line_map *map)
-{
- const char *flags = "";
-
- if (flag_no_line_commands)
- return;
-
- if (map != NULL)
- {
- if (print.first_time)
- {
- /* Avoid printing foo.i when the main file is foo.c. */
- if (!cpp_get_options (parse_in)->preprocessed)
- print_line (map->start_location, flags);
- print.first_time = 0;
- }
- else
- {
- /* Bring current file to correct line when entering a new file. */
- if (map->reason == LC_ENTER)
- {
- const struct line_map *from = INCLUDED_FROM (&line_table, map);
- maybe_print_line (LAST_SOURCE_LINE_LOCATION (from));
- }
- if (map->reason == LC_ENTER)
- flags = " 1";
- else if (map->reason == LC_LEAVE)
- flags = " 2";
- print_line (map->start_location, flags);
- }
- }
-}
-
-/* Copy a #pragma directive to the preprocessed output. */
-static void
-cb_def_pragma (cpp_reader *pfile, source_location line)
-{
- maybe_print_line (line);
- fputs ("#pragma ", print.outf);
- cpp_output_line (pfile, print.outf);
- print.src_line++;
-}
-
-/* Dump out the hash table. */
-static int
-dump_macro (cpp_reader *pfile, cpp_hashnode *node, void *v ATTRIBUTE_UNUSED)
-{
- if (node->type == NT_MACRO && !(node->flags & NODE_BUILTIN))
- {
- fputs ("#define ", print.outf);
- fputs ((const char *) cpp_macro_definition (pfile, node),
- print.outf);
- putc ('\n', print.outf);
- print.src_line++;
- }
-
- return 1;
-}
-
-/* Load in the PCH file NAME, open on FD. It was originally searched for
- by ORIG_NAME. Also, print out a #include command so that the PCH
- file can be loaded when the preprocessed output is compiled. */
-
-static void
-cb_read_pch (cpp_reader *pfile, const char *name,
- int fd, const char *orig_name ATTRIBUTE_UNUSED)
-{
- c_common_read_pch (pfile, name, fd, orig_name);
-
- fprintf (print.outf, "#pragma GCC pch_preprocess \"%s\"\n", name);
- print.src_line++;
-}
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