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egcs/gcc ChangeLog cppfiles.c cpphash.h cpplex ...


CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	zack@sourceware.cygnus.com	2000-09-11 20:42:30

Modified files:
	gcc            : ChangeLog cppfiles.c cpphash.h cpplex.c 
	                 cpplib.h 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.dg/cpp: backslash.c 

Log message:
	* cppfiles.c: Move all default-#defines to top of file.
	(open_include_file): Replace by lookup_include_file.
	(read_with_read, read_file): Merged into read_include_file.
	(stack_include_file, purge_cache): New functions.
	(close_cached_fd): Delete.
	(lookup_include_file, read_include_file, _cpp_pop_file_buffer):
	Cache the in-memory buffer, not the file descriptor.
	
	* cpphash.h (struct include_file): Add buffer, st, refcnt,
	mapped fields.
	(xcnew): New utility macro.
	(DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
	* cpplib.h (struct cpp_buffer): Remove mapped field.
	
	* cpplex.c (parse_string): Accept backslash space newline as a
	line continuation.
	(lex_line): Likewise.
	(_cpp_get_token): Remove hard limit on macro nesting.
	
	testsuite:
	* gcc.dg/cpp/backslash.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.7711&r2=1.7712
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cppfiles.c.diff?cvsroot=gcc&r1=1.77&r2=1.78
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cpphash.h.diff?cvsroot=gcc&r1=1.71&r2=1.72
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cpplex.c.diff?cvsroot=gcc&r1=1.94&r2=1.95
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cpplib.h.diff?cvsroot=gcc&r1=1.120&r2=1.121
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.710&r2=1.711
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/testsuite/gcc.dg/cpp/backslash.c.diff?cvsroot=gcc&r1=NONE&r2=1.1


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