diff options
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, |