diff options
Diffstat (limited to 'gcc/cpplib.h')
| -rw-r--r-- | gcc/cpplib.h | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/gcc/cpplib.h b/gcc/cpplib.h index 8c1a439..5922f94 100644 --- a/gcc/cpplib.h +++ b/gcc/cpplib.h @@ -152,6 +152,10 @@ enum cpp_ttype #undef OP #undef TK +/* C language kind, used when calling cpp_reader_init. */ +enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_STDC89, CLK_STDC94, CLK_STDC99, + CLK_GNUCXX, CLK_CXX98, CLK_OBJC, CLK_OBJCXX, CLK_ASM}; + /* Multiple-include optimisation. */ enum mi_state {MI_FAILED = 0, MI_OUTSIDE}; enum mi_ind {MI_IND_NONE = 0, MI_IND_NOT}; @@ -168,7 +172,7 @@ struct cpp_string #define DIGRAPH (1 << 1) /* If it was a digraph. */ #define STRINGIFY_ARG (1 << 2) /* If macro argument to be stringified. */ #define PASTE_LEFT (1 << 3) /* If on LHS of a ## operator. */ -#define NAMED_OP (1 << 4) /* C++ named operators, also "defined". */ +#define NAMED_OP (1 << 4) /* C++ named operators. */ #define NO_EXPAND (1 << 5) /* Do not macro-expand this token. */ /* A preprocessing token. This has been carefully packed and should @@ -518,7 +522,7 @@ struct spec_nodes cpp_hashnode *n__VA_ARGS__; /* C99 vararg macros */ }; -/* a cpp_reader encapsulates the "state" of a pre-processor run. +/* A cpp_reader encapsulates the "state" of a pre-processor run. Applying cpp_get_token repeatedly yields a stream of pre-processor tokens. Usually, there is only one cpp_reader object active. */ @@ -711,33 +715,34 @@ union tree_node; struct cpp_hashnode { - const unsigned char *name; /* null-terminated name */ - unsigned int hash; /* cached hash value */ - unsigned short length; /* length of name excluding null */ - unsigned short arg_index; /* macro argument index */ - unsigned char directive_index; /* index into directive table. */ - ENUM_BITFIELD(node_type) type : 8; /* node type. */ - unsigned char flags; /* node flags. */ + const unsigned char *name; /* Null-terminated name. */ + unsigned int hash; /* Cached hash value. */ + unsigned short length; /* Length of name excluding null. */ + unsigned short arg_index; /* Macro argument index. */ + unsigned char directive_index; /* Index into directive table. */ + ENUM_BITFIELD(node_type) type : 8; /* Node type. */ + unsigned char flags; /* Node flags. */ union { - cpp_macro *macro; /* a macro. */ - struct answer *answers; /* answers to an assertion. */ - enum cpp_ttype operator; /* code for a named operator. */ - enum builtin_type builtin; /* code for a builtin macro. */ + cpp_macro *macro; /* If a macro. */ + struct answer *answers; /* Answers to an assertion. */ + enum cpp_ttype operator; /* Code for a named operator. */ + enum builtin_type builtin; /* Code for a builtin macro. */ } value; - union tree_node *fe_value; /* front end value */ + union tree_node *fe_value; /* Front end value. */ }; extern unsigned int cpp_token_len PARAMS ((const cpp_token *)); -extern unsigned char *cpp_token_as_text PARAMS ((cpp_reader *, const cpp_token *)); +extern unsigned char *cpp_token_as_text PARAMS ((cpp_reader *, + const cpp_token *)); extern unsigned char *cpp_spell_token PARAMS ((cpp_reader *, const cpp_token *, unsigned char *)); extern void cpp_init PARAMS ((void)); extern int cpp_handle_options PARAMS ((cpp_reader *, int, char **)); extern int cpp_handle_option PARAMS ((cpp_reader *, int, char **)); -extern void cpp_reader_init PARAMS ((cpp_reader *)); +extern void cpp_reader_init PARAMS ((cpp_reader *, enum c_lang)); extern void cpp_register_pragma PARAMS ((cpp_reader *, const char *, const char *, |