diff options
Diffstat (limited to 'gcc/cpplib.h')
| -rw-r--r-- | gcc/cpplib.h | 48 |
1 files changed, 33 insertions, 15 deletions
diff --git a/gcc/cpplib.h b/gcc/cpplib.h index bbfb48c..f5121da 100644 --- a/gcc/cpplib.h +++ b/gcc/cpplib.h @@ -42,6 +42,7 @@ typedef struct cpp_pool cpp_pool; typedef struct cpp_macro cpp_macro; typedef struct cpp_lexer_pos cpp_lexer_pos; typedef struct cpp_lookahead cpp_lookahead; +typedef struct cpp_callbacks cpp_callbacks; struct directive; /* These are deliberately incomplete. */ struct answer; @@ -419,6 +420,11 @@ struct cpp_options /* Treat C++ alternate operator names special. */ unsigned char operator_names; + + /* True if --help, --version or --target-help appeared in the + options. Stand-alone CPP should then bail out after option + parsing; drivers might want to continue printing help. */ + unsigned char help_only; }; struct lexer_state @@ -485,6 +491,19 @@ struct cpp_file_change unsigned char externc; /* Nonzero if wrapper needed. */ }; +/* Call backs. */ +struct cpp_callbacks +{ + void (*file_change) PARAMS ((cpp_reader *, const cpp_file_change *)); + void (*include) PARAMS ((cpp_reader *, const unsigned char *, + const cpp_token *)); + void (*define) PARAMS ((cpp_reader *, cpp_hashnode *)); + void (*undef) PARAMS ((cpp_reader *, cpp_hashnode *)); + void (*poison) PARAMS ((cpp_reader *)); + void (*ident) PARAMS ((cpp_reader *, const cpp_string *)); + void (*def_pragma) PARAMS ((cpp_reader *)); +}; + /* 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. */ @@ -581,16 +600,7 @@ struct cpp_reader struct pragma_entry *pragmas; /* Call backs. */ - struct { - void (*file_change) PARAMS ((cpp_reader *, const cpp_file_change *)); - void (*include) PARAMS ((cpp_reader *, const unsigned char *, - const cpp_token *)); - void (*define) PARAMS ((cpp_reader *, cpp_hashnode *)); - void (*undef) PARAMS ((cpp_reader *, cpp_hashnode *)); - void (*poison) PARAMS ((cpp_reader *)); - void (*ident) PARAMS ((cpp_reader *, const cpp_string *)); - void (*def_pragma) PARAMS ((cpp_reader *)); - } cb; + struct cpp_callbacks cb; /* User visible options. */ struct cpp_options opts; @@ -608,15 +618,11 @@ struct cpp_reader /* True if we are skipping a failed conditional group. */ unsigned char skipping; - - /* True if --help appeared in the options. Caller should then bail - out after option parsing and printing its own help. See cppmain.c. */ - unsigned char help_only; }; #define CPP_FATAL_LIMIT 1000 /* True if we have seen a "fatal" error. */ -#define CPP_FATAL_ERRORS(READER) ((READER)->errors >= CPP_FATAL_LIMIT) +#define CPP_FATAL_ERRORS(PFILE) (cpp_errors (PFILE) >= CPP_FATAL_LIMIT) #define CPP_OPTION(PFILE, OPTION) ((PFILE)->opts.OPTION) #define CPP_BUFFER(PFILE) ((PFILE)->buffer) @@ -699,6 +705,15 @@ struct cpp_hashnode /* Call this first to get a handle to pass to other functions. */ extern cpp_reader *cpp_create_reader PARAMS ((enum c_lang)); +/* Call these to get pointers to the options and callback structures + for a given reader. These pointers are good until you call + cpp_finish on that reader. You can either edit the callbacks + through the pointer returned from cpp_get_callbacks, or set them + with cpp_set_callbacks. */ +extern cpp_options *cpp_get_options PARAMS ((cpp_reader *)); +extern cpp_callbacks *cpp_get_callbacks PARAMS ((cpp_reader *)); +extern void cpp_set_callbacks PARAMS ((cpp_reader *, cpp_callbacks *)); + /* Now call cpp_handle_option[s] to handle 1[or more] switches. The return value is the number of arguments used. If cpp_handle_options returns without using all arguments, it couldn't @@ -710,6 +725,9 @@ extern int cpp_handle_options PARAMS ((cpp_reader *, int, char **)); extern int cpp_handle_option PARAMS ((cpp_reader *, int, char **)); extern void cpp_post_options PARAMS ((cpp_reader *)); +/* Error count. */ +extern unsigned int cpp_errors PARAMS ((cpp_reader *)); + extern unsigned int cpp_token_len PARAMS ((const cpp_token *)); extern unsigned char *cpp_token_as_text PARAMS ((cpp_reader *, const cpp_token *)); |