diff options
Diffstat (limited to 'gcc/cpplib.h')
| -rw-r--r-- | gcc/cpplib.h | 57 |
1 files changed, 45 insertions, 12 deletions
diff --git a/gcc/cpplib.h b/gcc/cpplib.h index 4404a40e5ef..d9eb256cb9e 100644 --- a/gcc/cpplib.h +++ b/gcc/cpplib.h @@ -168,7 +168,7 @@ struct cpp_string #define BOL (1 << 6) /* Token at beginning of line. */ /* A preprocessing token. This has been carefully packed and should - occupy 12 bytes on 32-bit hosts and 16 bytes on 64-bit hosts. */ + occupy 16 bytes on 32-bit hosts and 24 bytes on 64-bit hosts. */ struct cpp_token { unsigned int line; /* Logical line of first char of token. */ @@ -217,6 +217,10 @@ struct cpp_options being written to stdout. */ const char *deps_file; + /* Target-name to write with the dependency information. */ + char *deps_target; + + /* Search paths for include files. */ struct search_path *quote_include; /* "" */ struct search_path *bracket_include; /* <> */ @@ -275,6 +279,15 @@ struct cpp_options /* If true, fopen (deps_file, "a") else fopen (deps_file, "w"). */ unsigned char print_deps_append; + /* Nonzero if we are generating Makefile dependencies + for precompiled headers. */ + unsigned char gen_deps; + + /* Nonzero if the Makefile dependency list should not include + precompiled headers. */ + unsigned char print_deps_nopch; + + /* Nonzero means print names of header files (-H). */ unsigned char print_include_names; @@ -353,27 +366,32 @@ struct cpp_options /* Print column number in error messages. */ unsigned char show_column; - /* Treat C++ alternate operator names special. */ + /* Nonzero means handle C++ alternate operator names. */ 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; + + + }; /* Call backs. */ struct cpp_callbacks { + int (*valid_pch) PARAMS ((cpp_reader *, const char *, int)); + void (*read_pch) PARAMS ((cpp_reader *, int, const char *)); /* Called when a new line of preprocessed output is started. */ void (*line_change) PARAMS ((cpp_reader *, const cpp_token *, int)); void (*file_change) PARAMS ((cpp_reader *, const struct line_map *)); - void (*include) PARAMS ((cpp_reader *, unsigned int, - const unsigned char *, const cpp_token *)); - void (*define) PARAMS ((cpp_reader *, unsigned int, cpp_hashnode *)); - void (*undef) PARAMS ((cpp_reader *, unsigned int, cpp_hashnode *)); - void (*ident) PARAMS ((cpp_reader *, unsigned int, const cpp_string *)); - void (*def_pragma) PARAMS ((cpp_reader *, unsigned int)); + void (*include) PARAMS ((cpp_reader *, unsigned int, + const unsigned char *, const cpp_token *)); + void (*define) PARAMS ((cpp_reader *, unsigned int, cpp_hashnode *)); + void (*undef) PARAMS ((cpp_reader *, unsigned int, cpp_hashnode *)); + void (*ident) PARAMS ((cpp_reader *, unsigned int, const cpp_string *)); + void (*def_pragma) PARAMS ((cpp_reader *, unsigned int)); }; #define CPP_FATAL_LIMIT 1000 @@ -383,6 +401,10 @@ struct cpp_callbacks /* Name under which this program was invoked. */ extern const char *progname; +/* Where does this buffer come from? A source file, a builtin macro, + a command-line option, or a _Pragma operator. */ +enum cpp_buffer_type {BUF_FILE, BUF_BUILTIN, BUF_CL_OPTION, BUF_PRAGMA, BUF_PCH}; + /* The structure of a node in the hash table. The hash table has entries for all identifiers: either macros defined by #define commands (type NT_MACRO), assertions created with #assert @@ -400,6 +422,7 @@ extern const char *progname; #define NODE_BUILTIN (1 << 2) /* Builtin macro. */ #define NODE_DIAGNOSTIC (1 << 3) /* Possible diagnostic when lexed. */ #define NODE_WARN (1 << 4) /* Warn if redefined or undefined. */ +#define NODE_DISABLED (1 << 5) /* A disabled macro. */ /* Different flavors of hash node. */ enum node_type @@ -409,7 +432,8 @@ enum node_type NT_ASSERTION /* Predicate for #assert. */ }; -/* Different flavors of builtin macro. */ +/* Different flavors of builtin macro. _Pragma is an operator, but we + handle it with the builtin code for efficiency reasons. */ enum builtin_type { BT_SPECLINE = 0, /* `__LINE__' */ @@ -418,7 +442,8 @@ enum builtin_type BT_BASE_FILE, /* `__BASE_FILE__' */ BT_INCLUDE_LEVEL, /* `__INCLUDE_LEVEL__' */ BT_TIME, /* `__TIME__' */ - BT_STDC /* `__STDC__' */ + BT_STDC, /* `__STDC__' */ + BT_PRAGMA /* `_Pragma' operator */ }; #define CPP_HASHNODE(HNODE) ((cpp_hashnode *) (HNODE)) @@ -445,6 +470,7 @@ struct cpp_hashnode 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 */ }; /* Call this first to get a handle to pass to other functions. If you @@ -568,14 +594,21 @@ extern void cpp_forall_identifiers PARAMS ((cpp_reader *, /* In cppmacro.c */ extern void cpp_scan_nooutput PARAMS ((cpp_reader *)); -extern void cpp_start_lookahead PARAMS ((cpp_reader *)); -extern void cpp_stop_lookahead PARAMS ((cpp_reader *, int)); extern int cpp_sys_macro_p PARAMS ((cpp_reader *)); /* In cppfiles.c */ extern int cpp_included PARAMS ((cpp_reader *, const char *)); extern void cpp_make_system_header PARAMS ((cpp_reader *, int, int)); +/* In cpppch.c */ +extern int cpp_save_state PARAMS ((cpp_reader *, FILE *)); +extern int cpp_write_pch PARAMS ((cpp_reader *, FILE *)); +extern int cpp_valid_state PARAMS ((cpp_reader *, int)); +extern int cpp_read_state PARAMS ((cpp_reader *, FILE *)); + +extern int write_makedeps PARAMS ((cpp_reader *, FILE *)); +extern int read_makedeps PARAMS ((cpp_reader *, FILE *, const char *)); + #ifdef __cplusplus } #endif |