diff options
Diffstat (limited to 'gcc/cpplex.c')
-rw-r--r-- | gcc/cpplex.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/gcc/cpplex.c b/gcc/cpplex.c index b0fba65..5f1707a 100644 --- a/gcc/cpplex.c +++ b/gcc/cpplex.c @@ -56,10 +56,6 @@ o Correct pastability test for CPP_NAME and CPP_NUMBER. #include "cpphash.h" #include "symcat.h" -#ifdef HAVE_MMAP_FILE -# include <sys/mman.h> -#endif - #define auto_expand_name_space(list) \ _cpp_expand_name_space ((list), 1 + (list)->name_cap / 2) static void safe_fwrite PARAMS ((cpp_reader *, const U_CHAR *, @@ -227,78 +223,6 @@ _cpp_grow_token_buffer (pfile, n) CPP_SET_WRITTEN (pfile, old_written); } -/* Allocate a new cpp_buffer for PFILE, and push it on the input buffer stack. - If BUFFER != NULL, then use the LENGTH characters in BUFFER - as the new input buffer. - Return the new buffer, or NULL on failure. */ - -cpp_buffer * -cpp_push_buffer (pfile, buffer, length) - cpp_reader *pfile; - const U_CHAR *buffer; - long length; -{ - cpp_buffer *buf = CPP_BUFFER (pfile); - cpp_buffer *new; - if (++pfile->buffer_stack_depth == CPP_STACK_MAX) - { - cpp_fatal (pfile, "macro or #include recursion too deep"); - return NULL; - } - - new = (cpp_buffer *) xcalloc (1, sizeof (cpp_buffer)); - - new->buf = new->cur = buffer; - new->rlimit = buffer + length; - new->prev = buf; - new->line_base = NULL; - - CPP_BUFFER (pfile) = new; - return new; -} - -cpp_buffer * -cpp_pop_buffer (pfile) - cpp_reader *pfile; -{ - cpp_buffer *buf = CPP_BUFFER (pfile); - - if (buf->inc) - { - _cpp_unwind_if_stack (pfile, buf); - if (buf->buf) - { -#ifdef HAVE_MMAP_FILE - if (buf->mapped) - munmap ((caddr_t) buf->buf, buf->rlimit - buf->buf); - else -#endif - free ((PTR) buf->buf); - } - if (pfile->system_include_depth) - pfile->system_include_depth--; - if (pfile->include_depth) - pfile->include_depth--; - if (pfile->potential_control_macro) - { - if (buf->inc->cmacro != NEVER_REREAD) - buf->inc->cmacro = pfile->potential_control_macro; - pfile->potential_control_macro = 0; - } - pfile->input_stack_listing_current = 0; - /* If the file will not be included again, then close it. */ - if (DO_NOT_REREAD (buf->inc)) - { - close (buf->inc->fd); - buf->inc->fd = -1; - } - } - CPP_BUFFER (pfile) = CPP_PREV_BUFFER (buf); - free (buf); - pfile->buffer_stack_depth--; - return CPP_BUFFER (pfile); -} - /* Deal with the annoying semantics of fwrite. */ static void safe_fwrite (pfile, buf, len, fp) |