diff options
Diffstat (limited to 'gcc/cpphash.h')
| -rw-r--r-- | gcc/cpphash.h | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/gcc/cpphash.h b/gcc/cpphash.h index 45abb69..41d5b9e 100644 --- a/gcc/cpphash.h +++ b/gcc/cpphash.h @@ -115,12 +115,24 @@ struct include_file const struct file_name_list *foundhere; /* location in search path where file was found, for #include_next */ - int fd; /* file descriptor possibly open on file */ + const unsigned char *buffer; /* pointer to cached file contents */ + struct stat st; /* copy of stat(2) data for file */ + int fd; /* fd open on file (short term storage only) */ unsigned short include_count; /* number of times file has been read */ - unsigned short sysp; /* file is a system header */ - time_t date; /* modification date of file, if known */ + unsigned short refcnt; /* number of stacked buffers using this file */ + unsigned char sysp; /* file is a system header */ + unsigned char mapped; /* file buffer is mmapped */ }; +/* The cmacro works like this: If it's NULL, the file is to be + included again. If it's NEVER_REREAD, the file is never to be + included again. Otherwise it is a macro hashnode, and the file is + to be included again if the macro is not defined. */ +#define NEVER_REREAD ((const cpp_hashnode *)-1) +#define DO_NOT_REREAD(inc) \ +((inc)->cmacro && \ + ((inc)->cmacro == NEVER_REREAD || (inc)->cmacro->type != T_VOID)) + /* Special nodes - identifiers with predefined significance. Note that the array length of dirs[] must be kept in sync with cpplib.c's dtable[]. */ @@ -133,16 +145,6 @@ struct spec_nodes cpp_hashnode *dirs[19]; /* 19 directives counting #sccs */ }; - -/* The cmacro works like this: If it's NULL, the file is to be - included again. If it's NEVER_REREAD, the file is never to be - included again. Otherwise it is a macro hashnode, and the file is - to be included again if the macro is not defined. */ -#define NEVER_REREAD ((const cpp_hashnode *)-1) -#define DO_NOT_REREAD(inc) \ -((inc)->cmacro && \ - ((inc)->cmacro == NEVER_REREAD || (inc)->cmacro->type != T_VOID)) - /* Character classes. If the definition of `numchar' looks odd to you, please look up the definition of a pp-number in the C standard [section 6.4.8 of C99]. @@ -293,6 +295,7 @@ extern void _cpp_init_internal_pragmas PARAMS ((cpp_reader *)); /* Utility routines and macros. */ #define xnew(T) (T *) xmalloc (sizeof(T)) +#define xcnew(T) (T *) xcalloc (1, sizeof(T)) #define xnewvec(T, N) (T *) xmalloc (sizeof(T) * (N)) #define xcnewvec(T, N) (T *) xcalloc (N, sizeof(T)) #define xobnew(O, T) (T *) obstack_alloc (O, sizeof(T)) |