From c740cee29d8abc1b547e23cdb6992c70b44f6864 Mon Sep 17 00:00:00 2001
From: Neil Booth <neil@daikokuya.demon.co.uk>
Date: Tue, 20 Feb 2001 22:52:11 +0000
Subject: [PATCH] cppinit.c (set_lang): Move builtin handling to...

        * cppinit.c (set_lang):  Move builtin handling to...
        (init_builtins): ...here.
        (_cpp_create_reader): Move call to set_lang.

From-SVN: r39934
---
 gcc/ChangeLog |  6 ++++++
 gcc/cppinit.c | 32 ++++++++++++++++++--------------
 2 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 70b8d265321..c801bed510b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2001-02-20  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+        * cppinit.c (set_lang):  Move builtin handling to...
+	(init_builtins): ...here.
+	(_cpp_create_reader): Move call to set_lang.
+
 2001-02-20  Mark Mitchell  <mark@codesourcery.com>
 
 	* stmt.c (expand_return): If an attempt is made to return the
diff --git a/gcc/cppinit.c b/gcc/cppinit.c
index 539366660b1..d885a764615 100644
--- a/gcc/cppinit.c
+++ b/gcc/cppinit.c
@@ -371,8 +371,6 @@ set_lang (pfile, lang)
      cpp_reader *pfile;
      enum c_lang lang;
 {
-  struct cpp_pending *pend = CPP_OPTION (pfile, pending);
-
   /* Defaults.  */
   CPP_OPTION (pfile, lang) = lang;
   CPP_OPTION (pfile, objc) = 0;
@@ -388,7 +386,6 @@ set_lang (pfile, lang)
       CPP_OPTION (pfile, cplusplus_comments) = 1;
       CPP_OPTION (pfile, digraphs) = 1;
       CPP_OPTION (pfile, c99) = 1;
-      new_pending_directive (pend, "__STDC_VERSION__=199901L", cpp_define);
       break;
     case CLK_GNUC89:
       CPP_OPTION (pfile, trigraphs) = 0;
@@ -400,7 +397,6 @@ set_lang (pfile, lang)
 
       /* ISO C.  */
     case CLK_STDC94:
-      new_pending_directive (pend, "__STDC_VERSION__=199409L", cpp_define);
     case CLK_STDC89:
       CPP_OPTION (pfile, trigraphs) = 1;
       CPP_OPTION (pfile, dollars_in_ident) = 0;
@@ -408,7 +404,6 @@ set_lang (pfile, lang)
       CPP_OPTION (pfile, digraphs) = lang == CLK_STDC94;
       CPP_OPTION (pfile, c99) = 0;
       CPP_OPTION (pfile, extended_numbers) = 0;
-      new_pending_directive (pend, "__STRICT_ANSI__", cpp_define);
       break;
     case CLK_STDC99:
       CPP_OPTION (pfile, trigraphs) = 1;
@@ -416,13 +411,10 @@ set_lang (pfile, lang)
       CPP_OPTION (pfile, cplusplus_comments) = 1;
       CPP_OPTION (pfile, digraphs) = 1;
       CPP_OPTION (pfile, c99) = 1;
-      new_pending_directive (pend, "__STRICT_ANSI__", cpp_define);
-      new_pending_directive (pend, "__STDC_VERSION__=199901L", cpp_define);
       break;
 
       /* Objective C.  */
     case CLK_OBJCXX:
-      new_pending_directive (pend, "__cplusplus", cpp_define);
       CPP_OPTION (pfile, cplusplus) = 1;
     case CLK_OBJC:
       CPP_OPTION (pfile, trigraphs) = 0;
@@ -431,7 +423,6 @@ set_lang (pfile, lang)
       CPP_OPTION (pfile, digraphs) = 1;
       CPP_OPTION (pfile, c99) = 0;
       CPP_OPTION (pfile, objc) = 1;
-      new_pending_directive (pend, "__OBJC__", cpp_define);
       break;
 
       /* C++.  */
@@ -443,7 +434,6 @@ set_lang (pfile, lang)
       CPP_OPTION (pfile, cplusplus_comments) = 1;
       CPP_OPTION (pfile, digraphs) = 1;
       CPP_OPTION (pfile, c99) = 0;
-      new_pending_directive (pend, "__cplusplus", cpp_define);
       break;
 
       /* Assembler.  */
@@ -453,7 +443,6 @@ set_lang (pfile, lang)
       CPP_OPTION (pfile, cplusplus_comments) = 1;
       CPP_OPTION (pfile, digraphs) = 0; 
       CPP_OPTION (pfile, c99) = 0;
-      new_pending_directive (pend, "__ASSEMBLER__", cpp_define);
       break;
     }
 }
@@ -509,6 +498,7 @@ cpp_create_reader (lang)
 
   pfile = (cpp_reader *) xcalloc (1, sizeof (cpp_reader));
 
+  set_lang (pfile, lang);
   CPP_OPTION (pfile, warn_import) = 1;
   CPP_OPTION (pfile, discard_comments) = 1;
   CPP_OPTION (pfile, show_column) = 1;
@@ -518,9 +508,6 @@ cpp_create_reader (lang)
   CPP_OPTION (pfile, pending) =
     (struct cpp_pending *) xcalloc (1, sizeof (struct cpp_pending));
 
-  /* After creating pfile->pending.  */
-  set_lang (pfile, lang);
-
   /* It's simplest to just create this struct whether or not it will
      be needed.  */
   pfile->deps = deps_init ();
@@ -757,6 +744,23 @@ init_builtins (pfile)
 	  _cpp_define_builtin (pfile, str);
 	}
     }
+
+  if (CPP_OPTION (pfile, cplusplus))
+    _cpp_define_builtin (pfile, "__cplusplus 1");
+  if (CPP_OPTION (pfile, objc))
+    _cpp_define_builtin (pfile, "__OBJC__ 1");
+
+  if (CPP_OPTION (pfile, lang) == CLK_STDC94)
+    _cpp_define_builtin (pfile, "__STDC_VERSION__ 199409L");
+  else if (CPP_OPTION (pfile, c99))
+    _cpp_define_builtin (pfile, "__STDC_VERSION__ 199901L");
+
+  if (CPP_OPTION (pfile, lang) == CLK_STDC89
+      || CPP_OPTION (pfile, lang) == CLK_STDC94
+      || CPP_OPTION (pfile, lang) == CLK_STDC99)
+    _cpp_define_builtin (pfile, "__STRICT_ANSI__ 1");
+  else if (CPP_OPTION (pfile, lang) == CLK_ASM)
+    _cpp_define_builtin (pfile, "__ASSEMBLER__ 1");
 }
 #undef BUILTIN
 #undef OPERATOR