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re PR preprocessor/27777 (Bad diagnostic emission when #error contains a trigraph)

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gcc/testsuite
	PR preprocessor/27777:
	* gcc.dg/cpp/pr27777.c: New file.
libcpp
	PR preprocessor/27777:
	* lex.c (cpp_output_line_to_string): New function.
	* internal.h (_cpp_begin_message): Don't declare.
	* errors.c (_cpp_begin_message): Now static.
	* include/cpplib.h (cpp_output_line_to_string): Declare.
	* directives.c (do_diagnostic): Rewrote.  Use
	cpp_output_line_to_string.  Don't use _cpp_begin_message.

From-SVN: r135740
This commit is contained in:
Tom Tromey 2008-05-21 21:52:57 +00:00 • committed by Tom Tromey
parent 0fda18dd70
commit 5d6342ebc2
8 changed files with 86 additions and 14 deletions
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2
libcpp/include/cpplib.h
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@ -844,6 +844,8 @@ extern void cpp_error_with_line (cpp_reader *, int, source_location, unsigned,
/* In lex.c */
extern int cpp_ideq (const cpp_token *, const char *);
extern void cpp_output_line (cpp_reader *, FILE *);
extern unsigned char *cpp_output_line_to_string (cpp_reader *,
const unsigned char *);
extern void cpp_output_token (const cpp_token *, FILE *);
extern const char *cpp_type2name (enum cpp_ttype);
/* Returns the value of an escape sequence, truncated to the correct