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directives.c (lex_macro_node_from_str): New.

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libcpp/
        * directives.c (lex_macro_node_from_str): New.
        (cpp_push_definition, cpp_pop_definition): New.
        * include/cpplib.h (cpp_push_definition, cpp_pop_definition): Declare.
gcc/
        * c-pragma.c (struct def_pragma_macro_value): New.
        (struct def_pragma_macro): New.
        (pushed_macro_table): New.
        (dpm_hash, dpm_eq): New.
        (handle_pragma_push_macro, handle_pragma_pop_macro): New.
        (init_pragma): Install them.
        * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.

Co-Authored-By: Kai Tietz <kai.tietz@onevision.com>

From-SVN: r123370
This commit is contained in:
Richard Henderson
2007-03-30 14:12:53 -07:00
committed by Richard Henderson
parent 6c7ac15dc6
commit 121de39fc0
7 changed files with 259 additions and 0 deletions
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libcpp/include/cpplib.h
+3
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@@ -704,6 +704,9 @@ extern void cpp_assert (cpp_reader *, const char *);
extern void cpp_undef (cpp_reader *, const char *);
extern void cpp_unassert (cpp_reader *, const char *);
extern cpp_macro *cpp_push_definition (cpp_reader *, const char *);
extern void cpp_pop_definition (cpp_reader *, const char *, cpp_macro *);
/* Undefine all macros and assertions. */
extern void cpp_undef_all (cpp_reader *);