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| author | Neil Booth <neil@daikokuya.demon.co.uk> | 2002-04-26 06:32:50 +0000 |
|---|---|---|
| committer | Neil Booth <neil@gcc.gnu.org> | 2002-04-26 06:32:50 +0000 |
| commit | f8b954fcdc0446691171bd20e6cb218799d4d1a9 (patch) | |
| tree | 41b138ea9b50f42af72e2ae19543c9e1a16ce126 /gcc/cpplib.h | |
| parent | 6052bef039abf0676722cd1df243c1cf5ab99431 (diff) | |
| download | gcc-f8b954fcdc0446691171bd20e6cb218799d4d1a9.zip gcc-f8b954fcdc0446691171bd20e6cb218799d4d1a9.tar.gz gcc-f8b954fcdc0446691171bd20e6cb218799d4d1a9.tar.bz2 | |
cppexp.c (CPP_UMINUS, CPP_UPLUS): New.
* cppexp.c (CPP_UMINUS, CPP_UPLUS): New.
(HAVE_NO_R_OPERAND): Remove.
(HAVE_VALUE): Remove.
(op_to_prio): Update.
(UNARY): Don't alter flags.
(_cpp_parse_expr): want_value used to indicate whether
a number or unary operator is expected next. Distinguish
unary and binary +/-.
(op_as_text): Update for unary operators.
From-SVN: r52780
Diffstat (limited to 'gcc/cpplib.h')
| -rw-r--r-- | gcc/cpplib.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/gcc/cpplib.h b/gcc/cpplib.h index 765d65a..164c4c8 100644 --- a/gcc/cpplib.h +++ b/gcc/cpplib.h @@ -46,9 +46,9 @@ typedef struct cpp_callbacks cpp_callbacks; struct answer; struct file_name_map_list; -/* The first two groups, apart from '=', can appear in preprocessor - expressions. This allows a lookup table to be implemented in - _cpp_parse_expr. +/* The first three groups, apart from '=', can appear in preprocessor + expressions (+= and -= are used to indicate unary + and - resp.). + This allows a lookup table to be implemented in _cpp_parse_expr. The first group, to CPP_LAST_EQ, can be immediately followed by an '='. The lexer needs operators ending in '=', like ">>=", to be in @@ -58,6 +58,7 @@ struct file_name_map_list; #define CPP_LAST_EQ CPP_MAX #define CPP_FIRST_DIGRAPH CPP_HASH #define CPP_LAST_PUNCTUATOR CPP_DOT_STAR +#define CPP_LAST_CPP_OP CPP_EOF #define TTYPE_TABLE \ OP(CPP_EQ = 0, "=") \ @@ -90,8 +91,11 @@ struct file_name_map_list; OP(CPP_GREATER_EQ, ">=") \ OP(CPP_LESS_EQ, "<=") \ \ + /* These 3 are special in preprocessor expressions. */ \ + TK(CPP_EOF, SPELL_NONE) \ OP(CPP_PLUS_EQ, "+=") /* math */ \ OP(CPP_MINUS_EQ, "-=") \ +\ OP(CPP_MULT_EQ, "*=") \ OP(CPP_DIV_EQ, "/=") \ OP(CPP_MOD_EQ, "%=") \ @@ -135,8 +139,7 @@ struct file_name_map_list; TK(CPP_COMMENT, SPELL_NUMBER) /* Only if output comments. */ \ /* SPELL_NUMBER happens to DTRT. */ \ TK(CPP_MACRO_ARG, SPELL_NONE) /* Macro argument. */ \ - TK(CPP_PADDING, SPELL_NONE) /* Whitespace for cpp0. */ \ - TK(CPP_EOF, SPELL_NONE) /* End of line or file. */ + TK(CPP_PADDING, SPELL_NONE) /* Whitespace for cpp0. */ #define OP(e, s) e, #define TK(e, s) e, |