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| author | Nick Clifton <nickc@cygnus.com> | 1998-10-01 10:50:15 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 1998-10-01 10:50:15 +0000 |
| commit | e2af664c2d6add614f1ef044f78b0c6ef89cf0d7 (patch) | |
| tree | f2a375a13ffbab6fc37885d69817a8914b50746e /gcc/c-lex.c | |
| parent | 3a846e6e06590d0c593708b53a8aee20ac2fea32 (diff) | |
| download | gcc-e2af664c2d6add614f1ef044f78b0c6ef89cf0d7.zip gcc-e2af664c2d6add614f1ef044f78b0c6ef89cf0d7.tar.gz gcc-e2af664c2d6add614f1ef044f78b0c6ef89cf0d7.tar.bz2 | |
Add support for #pragma pack(push,<n>) and #pragma pack(pop).
From-SVN: r22710
Diffstat (limited to 'gcc/c-lex.c')
| -rw-r--r-- | gcc/c-lex.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/gcc/c-lex.c b/gcc/c-lex.c index e361f5b..af627cd 100644 --- a/gcc/c-lex.c +++ b/gcc/c-lex.c @@ -110,9 +110,9 @@ static int end_of_file; static int nextchar = -1; #endif -#ifdef HANDLE_SYSV_PRAGMA -static int handle_sysv_pragma PROTO((int)); -#endif /* HANDLE_SYSV_PRAGMA */ +#ifdef HANDLE_GENERIC_PRAGMAS +static int handle_generic_pragma PROTO((int)); +#endif /* HANDLE_GENERIC_PRAGMAS */ static int whitespace_cr PROTO((int)); static int skip_white_space PROTO((int)); static int skip_white_space_on_line PROTO((void)); @@ -543,34 +543,37 @@ check_newline () if (c == '\n') return c; -#if defined HANDLE_PRAGMA || defined HANDLE_SYSV_PRAGMA +#if defined HANDLE_PRAGMA || defined HANDLE_GENERIC_PRAGMAS UNGETC (c); token = yylex (); if (token != IDENTIFIER) goto skipline; +#endif /* HANDLE_PRAGMA || HANDLE_GENERIC_PRAGMAS */ #ifdef HANDLE_PRAGMA - /* We invoke HANDLE_PRAGMA before HANDLE_SYSV_PRAGMA - (if both are defined), in order to give the back - end a chance to override the interpretation of - SYSV style pragmas. */ + /* We invoke HANDLE_PRAGMA before HANDLE_GENERIC_PRAGMAS (if + both are defined), in order to give the back end a chance to + override the interpretation of generic style pragmas. */ #if !USE_CPPLIB if (nextchar >= 0) { c = nextchar, nextchar = -1; UNGETC (c); } -#endif +#endif /* !USE_CPPLIB */ + + if (TREE_CODE (yylval.ttype) != IDENTIFIER_NODE) + goto skipline; + if (HANDLE_PRAGMA (pragma_getc, pragma_ungetc, IDENTIFIER_POINTER (yylval.ttype))) return GETC (); #endif /* HANDLE_PRAGMA */ -#ifdef HANDLE_SYSV_PRAGMA - if (handle_sysv_pragma (token)) +#ifdef HANDLE_GENERIC_PRAGMAS + if (handle_generic_pragma (token)) return GETC (); -#endif /* !HANDLE_SYSV_PRAGMA */ -#endif /* HANDLE_PRAGMA || HANDLE_SYSV_PRAGMA */ +#endif /* HANDLE_GENERIC_PRAGMAS */ /* Issue a warning message if we have been asked to do so. Ignoring unknown pragmas in system header file unless @@ -837,17 +840,17 @@ linenum: return c; } -#ifdef HANDLE_SYSV_PRAGMA +#ifdef HANDLE_GENERIC_PRAGMAS /* Handle a #pragma directive. TOKEN is the token we read after `#pragma'. Processes the entire input - line and returns a character for the caller to reread: either \n or EOF. */ + line and return non-zero iff the pragma has been successfully parsed. */ /* This function has to be in this file, in order to get at the token types. */ static int -handle_sysv_pragma (token) +handle_generic_pragma (token) register int token; { register int c; @@ -883,7 +886,7 @@ handle_sysv_pragma (token) } } -#endif /* HANDLE_SYSV_PRAGMA */ +#endif /* HANDLE_GENERIC_PRAGMAS */ #define ENDFILE -1 /* token that represents end-of-file */ |