X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/8a4f41d6ed0848c04db9095ad564a2d2b1831fca..500bbfcd816776d0ddbf3555fedd41b529c405b3:/lib/obstack.h diff --git a/lib/obstack.h b/lib/obstack.h index e3c4543d..8218db95 100644 --- a/lib/obstack.h +++ b/lib/obstack.h @@ -1,23 +1,27 @@ /* obstack.h - object stack macros - Copyright (C) 1988,89,90,91,92,93,94,96,97,98,99 Free Software Foundation, Inc. + + Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997, + 1998, 1999, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Its master source is NOT part of the C library, however. The master source lives in /gd/gnu/lib. - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + NOTE: The canonical source of this file is maintained with the GNU C Library. + Bugs can be reported to bug-glibc@gnu.org. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. - The GNU C Library is distributed in the hope that it will be useful, + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Summary: @@ -120,7 +124,11 @@ extern "C" { #endif #ifndef __INT_TO_PTR -# define __INT_TO_PTR(P) ((P) + (char *) 0) +# ifdef __STDC__ +# define __INT_TO_PTR(P) ((void *) ((P) + (char *) 0)) +# else +# define __INT_TO_PTR(P) ((P) + (char *) 0) +# endif #endif /* We need the type of the resulting object. If __PTRDIFF_TYPE__ is @@ -167,7 +175,7 @@ struct obstack /* control current object in current chunk */ char *chunk_limit; /* address of char after current chunk */ PTR_INT_TYPE temp; /* Temporary for some macros. */ int alignment_mask; /* Mask of alignment for each object. */ -#if defined __STDC__ && __STDC__ +#if PROTOTYPES || (defined __STDC__ && __STDC__) /* These prototypes vary based on `use_extra_arg', and we use casts to the prototypeless function type in all assignments, but having prototypes here quiets -Wstrict-prototypes. */ @@ -191,7 +199,7 @@ struct obstack /* control current object in current chunk */ /* Declare the external functions we use; they are in obstack.c. */ -#if defined __STDC__ && __STDC__ +#if PROTOTYPES || (defined __STDC__ && __STDC__) extern void _obstack_newchunk (struct obstack *, int); extern void _obstack_free (struct obstack *, void *); extern int _obstack_begin (struct obstack *, int, int, @@ -208,7 +216,7 @@ extern int _obstack_begin_1 (); extern int _obstack_memory_used (); #endif -#if defined __STDC__ && __STDC__ +#if PROTOTYPES || (defined __STDC__ && __STDC__) /* Do the function-declarations after the structs but before defining the macros. */ @@ -248,7 +256,7 @@ int obstack_alignment_mask (struct obstack *obstack); int obstack_chunk_size (struct obstack *obstack); int obstack_memory_used (struct obstack *obstack); -#endif /* __STDC__ */ +#endif /* PROTOTYPES || (defined __STDC__ && __STDC__) */ /* Non-ANSI C cannot really support alternative functions for these macros, so we do not declare them. */ @@ -257,7 +265,7 @@ int obstack_memory_used (struct obstack *obstack); more memory. This can be set to a user defined function which should either abort gracefully or use longjump - but shouldn't return. The default action is to print a message and abort. */ -#if defined __STDC__ && __STDC__ +#if PROTOTYPES || (defined __STDC__ && __STDC__) extern void (*obstack_alloc_failed_handler) (void); #else extern void (*obstack_alloc_failed_handler) (); @@ -286,23 +294,26 @@ extern int obstack_exit_failure; /* To prevent prototype warnings provide complete argument list in standard C version. */ -#if defined __STDC__ && __STDC__ +#if PROTOYPES || (defined __STDC__ && __STDC__) -# define obstack_init(h) \ - _obstack_begin ((h), 0, 0, \ - (void *(*) (long)) obstack_chunk_alloc, (void (*) (void *)) obstack_chunk_free) +# define obstack_init(h) \ + _obstack_begin ((h), 0, 0, \ + (void *(*) (long)) obstack_chunk_alloc, \ + (void (*) (void *)) obstack_chunk_free) -# define obstack_begin(h, size) \ - _obstack_begin ((h), (size), 0, \ - (void *(*) (long)) obstack_chunk_alloc, (void (*) (void *)) obstack_chunk_free) +# define obstack_begin(h, size) \ + _obstack_begin ((h), (size), 0, \ + (void *(*) (long)) obstack_chunk_alloc, \ + (void (*) (void *)) obstack_chunk_free) # define obstack_specify_allocation(h, size, alignment, chunkfun, freefun) \ - _obstack_begin ((h), (size), (alignment), \ - (void *(*) (long)) (chunkfun), (void (*) (void *)) (freefun)) + _obstack_begin ((h), (size), (alignment), \ + (void *(*) (long)) (chunkfun), \ + (void (*) (void *)) (freefun)) # define obstack_specify_allocation_with_arg(h, size, alignment, chunkfun, freefun, arg) \ - _obstack_begin_1 ((h), (size), (alignment), \ - (void *(*) (void *, long)) (chunkfun), \ + _obstack_begin_1 ((h), (size), (alignment), \ + (void *(*) (void *, long)) (chunkfun), \ (void (*) (void *, void *)) (freefun), (arg)) # define obstack_chunkfun(h, newchunkfun) \ @@ -313,21 +324,25 @@ extern int obstack_exit_failure; #else -# define obstack_init(h) \ - _obstack_begin ((h), 0, 0, \ - (void *(*) ()) obstack_chunk_alloc, (void (*) ()) obstack_chunk_free) +# define obstack_init(h) \ + _obstack_begin ((h), 0, 0, \ + (void *(*) ()) obstack_chunk_alloc, \ + (void (*) ()) obstack_chunk_free) -# define obstack_begin(h, size) \ - _obstack_begin ((h), (size), 0, \ - (void *(*) ()) obstack_chunk_alloc, (void (*) ()) obstack_chunk_free) +# define obstack_begin(h, size) \ + _obstack_begin ((h), (size), 0, \ + (void *(*) ()) obstack_chunk_alloc, \ + (void (*) ()) obstack_chunk_free) # define obstack_specify_allocation(h, size, alignment, chunkfun, freefun) \ - _obstack_begin ((h), (size), (alignment), \ - (void *(*) ()) (chunkfun), (void (*) ()) (freefun)) + _obstack_begin ((h), (size), (alignment), \ + (void *(*) ()) (chunkfun), \ + (void (*) ()) (freefun)) # define obstack_specify_allocation_with_arg(h, size, alignment, chunkfun, freefun, arg) \ - _obstack_begin_1 ((h), (size), (alignment), \ - (void *(*) ()) (chunkfun), (void (*) ()) (freefun), (arg)) + _obstack_begin_1 ((h), (size), (alignment), \ + (void *(*) ()) (chunkfun), \ + (void (*) ()) (freefun), (arg)) # define obstack_chunkfun(h, newchunkfun) \ ((h) -> chunkfun = (struct _obstack_chunk *(*)()) (newchunkfun)) @@ -385,7 +400,7 @@ __extension__ \ int __len = (length); \ if (__o->next_free + __len > __o->chunk_limit) \ _obstack_newchunk (__o, __len); \ - _obstack_memcpy (__o->next_free, (const char *) (where), __len); \ + _obstack_memcpy (__o->next_free, (where), __len); \ __o->next_free += __len; \ (void) 0; }) @@ -395,7 +410,7 @@ __extension__ \ int __len = (length); \ if (__o->next_free + __len + 1 > __o->chunk_limit) \ _obstack_newchunk (__o, __len + 1); \ - _obstack_memcpy (__o->next_free, (const char *) (where), __len); \ + _obstack_memcpy (__o->next_free, (where), __len); \ __o->next_free += __len; \ *(__o->next_free)++ = 0; \ (void) 0; }) @@ -408,8 +423,8 @@ __extension__ \ *(__o->next_free)++ = (datum); \ (void) 0; }) -/* These assume that the obstack alignment is good enough for pointers or ints, - and that the data added so far to the current object +/* These assume that the obstack alignment is good enough for pointers + or ints, and that the data added so far to the current object shares that much alignment. */ # define obstack_ptr_grow(OBSTACK,datum) \ @@ -417,7 +432,7 @@ __extension__ \ ({ struct obstack *__o = (OBSTACK); \ if (__o->next_free + sizeof (void *) > __o->chunk_limit) \ _obstack_newchunk (__o, sizeof (void *)); \ - *((void **)__o->next_free)++ = ((const void *)datum); \ + *((void **)__o->next_free)++ = (datum); \ (void) 0; }) # define obstack_int_grow(OBSTACK,datum) \ @@ -425,11 +440,14 @@ __extension__ \ ({ struct obstack *__o = (OBSTACK); \ if (__o->next_free + sizeof (int) > __o->chunk_limit) \ _obstack_newchunk (__o, sizeof (int)); \ - *((int *)__o->next_free)++ = ((int)datum); \ + *((int *)__o->next_free)++ = (datum); \ (void) 0; }) -# define obstack_ptr_grow_fast(h,aptr) (*((void **) (h)->next_free)++ = (void *)aptr) -# define obstack_int_grow_fast(h,aint) (*((int *) (h)->next_free)++ = (int) aint) +# define obstack_ptr_grow_fast(h,aptr) \ + (*((void **) (h)->next_free)++ = (aptr)) + +# define obstack_int_grow_fast(h,aint) \ + (*((int *) (h)->next_free)++ = (aint)) # define obstack_blank(OBSTACK,length) \ __extension__ \ @@ -510,14 +528,14 @@ __extension__ \ ( (h)->temp = (length), \ (((h)->next_free + (h)->temp > (h)->chunk_limit) \ ? (_obstack_newchunk ((h), (h)->temp), 0) : 0), \ - _obstack_memcpy ((h)->next_free, (char *) (where), (h)->temp), \ + _obstack_memcpy ((h)->next_free, (where), (h)->temp), \ (h)->next_free += (h)->temp) # define obstack_grow0(h,where,length) \ ( (h)->temp = (length), \ (((h)->next_free + (h)->temp + 1 > (h)->chunk_limit) \ ? (_obstack_newchunk ((h), (h)->temp + 1), 0) : 0), \ - _obstack_memcpy ((h)->next_free, (char *) (where), (h)->temp), \ + _obstack_memcpy ((h)->next_free, (where), (h)->temp), \ (h)->next_free += (h)->temp, \ *((h)->next_free)++ = 0) @@ -529,15 +547,18 @@ __extension__ \ # define obstack_ptr_grow(h,datum) \ ( (((h)->next_free + sizeof (char *) > (h)->chunk_limit) \ ? (_obstack_newchunk ((h), sizeof (char *)), 0) : 0), \ - (*((char **) (((h)->next_free+=sizeof(char *))-sizeof(char *))) = ((char *) datum))) + (*((const char **) (((h)->next_free+=sizeof(char *))-sizeof(char *))) = (datum))) # define obstack_int_grow(h,datum) \ ( (((h)->next_free + sizeof (int) > (h)->chunk_limit) \ ? (_obstack_newchunk ((h), sizeof (int)), 0) : 0), \ - (*((int *) (((h)->next_free+=sizeof(int))-sizeof(int))) = ((int) datum))) + (*((int *) (((h)->next_free+=sizeof(int))-sizeof(int))) = (datum))) + +# define obstack_ptr_grow_fast(h,aptr) \ + (*((const char **) (h)->next_free)++ = (aptr)) -# define obstack_ptr_grow_fast(h,aptr) (*((char **) (h)->next_free)++ = (char *) aptr) -# define obstack_int_grow_fast(h,aint) (*((int *) (h)->next_free)++ = (int) aint) +# define obstack_int_grow_fast(h,aint) \ + (*((int *) (h)->next_free)++ = (aint)) # define obstack_blank(h,length) \ ( (h)->temp = (length), \ @@ -568,7 +589,7 @@ __extension__ \ (h)->object_base = (h)->next_free, \ __INT_TO_PTR ((h)->temp)) -# if defined __STDC__ && __STDC__ +# if PROTOTYPES || (defined __STDC__ && __STDC__) # define obstack_free(h,obj) \ ( (h)->temp = (char *) (obj) - (char *) (h)->chunk, \ (((h)->temp > 0 && (h)->temp < (h)->chunk_limit - (char *) (h)->chunk)\