r123370 - in /trunk: gcc/ChangeLog gcc/c-pragma...

[rth at gcc dot gnu dot org]

Author: rth
Date: Fri Mar 30 22:12:53 2007
New Revision: 123370

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123370
Log:
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.

Added:
    trunk/gcc/testsuite/gcc.dg/pragma-push_macro-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-pragma.c
    trunk/gcc/doc/tm.texi
    trunk/libcpp/ChangeLog
    trunk/libcpp/directives.c
    trunk/libcpp/include/cpplib.h