gcc:

[pf3gnuchains/gcc-fork.git] / gcc / c-ppoutput.c

diff --git a/gcc/c-ppoutput.c b/gcc/c-ppoutput.c
index 1dba766..996c5f0 100644 (file)
--- a/gcc/c-ppoutput.c
+++ b/gcc/c-ppoutput.c
@@ -22,7 +22,7 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "coretypes.h"
 #include "tm.h"
 #include "cpplib.h"
-#include "cpphash.h"
+#include "../libcpp/internal.h"
 #include "tree.h"
 #include "c-common.h"          /* For flags.  */
 #include "c-pragma.h"          /* For parse_in.  */
@@ -36,6 +36,7 @@ static struct
   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.  */
@@ -50,12 +51,14 @@ 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 *, fileline, cpp_hashnode *);
-static void cb_undef (cpp_reader *, fileline, cpp_hashnode *);
-static void cb_include (cpp_reader *, fileline, const unsigned char *,
+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);
-static void cb_ident (cpp_reader *, fileline, const cpp_string *);
-static void cb_def_pragma (cpp_reader *, fileline);
+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
@@ -105,6 +108,12 @@ init_pp_output (FILE *out_stream)
   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;
@@ -118,6 +127,7 @@ init_pp_output (FILE *out_stream)
   print.printed = 0;
   print.prev = 0;
   print.outf = out_stream;
+  print.first_time = 1;
 }
 
 /* Writes out the preprocessed file, handling spacing and paste
@@ -244,7 +254,7 @@ print_line (source_location src_loc, const char *special_flags)
       /* 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);
+                           (unsigned char *) map->to_file, to_file_len);
       *p = '\0';
       fprintf (print.outf, "# %u \"%s\"%s", print.src_line,
               to_file_quoted, special_flags);
@@ -290,16 +300,16 @@ cb_line_change (cpp_reader *pfile, const cpp_token *token,
 }
 
 static void
-cb_ident (cpp_reader *pfile ATTRIBUTE_UNUSED, fileline line,
+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);
+  fprintf (print.outf, "#ident %s\n", str->text);
   print.src_line++;
 }
 
 static void
-cb_define (cpp_reader *pfile, fileline line, cpp_hashnode *node)
+cb_define (cpp_reader *pfile, source_location line, cpp_hashnode *node)
 {
   maybe_print_line (line);
   fputs ("#define ", print.outf);
@@ -360,17 +370,17 @@ pp_file_change (const struct line_map *map)
 {
   const char *flags = "";
 
-  if (flag_no_line_commands || flag_no_output)
+  if (flag_no_line_commands)
     return;
 
   if (map != NULL)
     {
-      /* First time?  */
-      if (MAIN_FILE_P (map))
+      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
        {
@@ -391,7 +401,7 @@ pp_file_change (const struct line_map *map)
 
 /* Copy a #pragma directive to the preprocessed output.  */
 static void
-cb_def_pragma (cpp_reader *pfile, fileline line)
+cb_def_pragma (cpp_reader *pfile, source_location line)
 {
   maybe_print_line (line);
   fputs ("#pragma ", print.outf);
@@ -414,3 +424,17 @@ dump_macro (cpp_reader *pfile, cpp_hashnode *node, void *v ATTRIBUTE_UNUSED)
 
   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++;
+}