diff options
Diffstat (limited to 'libguile/stacks.c')
-rw-r--r-- | libguile/stacks.c | 81 |
1 files changed, 41 insertions, 40 deletions
diff --git a/libguile/stacks.c b/libguile/stacks.c index 63bbda07b..9085bec68 100644 --- a/libguile/stacks.c +++ b/libguile/stacks.c @@ -92,11 +92,11 @@ * Representation: * * The stack is represented as a struct with an id slot and a tail - * array of scm_info_frame structs. + * array of scm_info_frame_t structs. * * A frame is represented as a pair where the car contains a stack and * the cdr an inum. The inum is an index to the first SCM value of - * the scm_info_frame struct. + * the scm_info_frame_t struct. * * Stacks * Constructor @@ -129,7 +129,7 @@ */ /* Stacks often contain pointers to other items on the stack; for - example, each scm_debug_frame structure contains a pointer to the + example, each scm_debug_frame_t structure contains a pointer to the next frame out. When we capture a continuation, we copy the stack into the heap, and just leave all the pointers unchanged. This makes it simple to restore the continuation --- just copy the stack @@ -143,30 +143,30 @@ OFFSET) is a pointer to the copy in the continuation of the original referent, cast to an scm_debug_MUMBLE *. */ #define RELOC_INFO(ptr, offset) \ - ((scm_debug_info *) ((SCM_STACKITEM *) (ptr) + (offset))) + ((scm_debug_info_t *) ((SCM_STACKITEM *) (ptr) + (offset))) #define RELOC_FRAME(ptr, offset) \ - ((scm_debug_frame *) ((SCM_STACKITEM *) (ptr) + (offset))) + ((scm_debug_frame_t *) ((SCM_STACKITEM *) (ptr) + (offset))) /* Count number of debug info frames on a stack, beginning with * DFRAME. OFFSET is used for relocation of pointers when the stack * is read from a continuation. */ -static int -stack_depth (scm_debug_frame *dframe,long offset,SCM *id,int *maxp) +static scm_bits_t +stack_depth (scm_debug_frame_t *dframe,scm_bits_t offset,SCM *id,int *maxp) { - int n; - int max_depth = SCM_BACKTRACE_MAXDEPTH; + scm_bits_t n; + scm_bits_t max_depth = SCM_BACKTRACE_MAXDEPTH; for (n = 0; dframe && !SCM_VOIDFRAMEP (*dframe) && n < max_depth; dframe = RELOC_FRAME (dframe->prev, offset)) { if (SCM_EVALFRAMEP (*dframe)) { - scm_debug_info * info = RELOC_INFO (dframe->info, offset); + scm_debug_info_t * info = RELOC_INFO (dframe->info, offset); n += (info - dframe->vect) / 2 + 1; /* Data in the apply part of an eval info frame comes from previous - stack frame if the scm_debug_info vector is overflowed. */ + stack frame if the scm_debug_info_t vector is overflowed. */ if ((((info - dframe->vect) & 1) == 0) && SCM_OVERFLOWP (*dframe) && !SCM_UNBNDP (info[1].a.proc)) @@ -185,12 +185,12 @@ stack_depth (scm_debug_frame *dframe,long offset,SCM *id,int *maxp) /* Read debug info from DFRAME into IFRAME. */ static void -read_frame (scm_debug_frame *dframe,long offset,scm_info_frame *iframe) +read_frame (scm_debug_frame_t *dframe,scm_bits_t offset,scm_info_frame_t *iframe) { scm_bits_t flags = SCM_UNPACK (SCM_INUM0); /* UGh. */ if (SCM_EVALFRAMEP (*dframe)) { - scm_debug_info * info = RELOC_INFO (dframe->info, offset); + scm_debug_info_t * info = RELOC_INFO (dframe->info, offset); if ((info - dframe->vect) & 1) { /* Debug.vect ends with apply info. */ @@ -246,16 +246,16 @@ do { \ } while (0) -/* Fill the scm_info_frame vector IFRAME with data from N stack frames +/* Fill the scm_info_frame_t vector IFRAME with data from N stack frames * starting with the first stack frame represented by debug frame * DFRAME. */ -static int -read_frames (scm_debug_frame *dframe,long offset,int n,scm_info_frame *iframes) +static scm_bits_t +read_frames (scm_debug_frame_t *dframe,scm_bits_t offset,scm_bits_t n,scm_info_frame_t *iframes) { - scm_info_frame *iframe = iframes; - scm_debug_info *info; + scm_info_frame_t *iframe = iframes; + scm_debug_info_t *info; static SCM applybody = SCM_UNDEFINED; /* The value of applybody has to be setup after r4rs.scm has executed. */ @@ -280,7 +280,7 @@ read_frames (scm_debug_frame *dframe,long offset,int n,scm_info_frame *iframes) if ((info - dframe->vect) & 1) --info; /* Data in the apply part of an eval info frame comes from - previous stack frame if the scm_debug_info vector is overflowed. */ + previous stack frame if the scm_debug_info_t vector is overflowed. */ else if (SCM_OVERFLOWP (*dframe) && !SCM_UNBNDP (info[1].a.proc)) { @@ -345,11 +345,11 @@ read_frames (scm_debug_frame *dframe,long offset,int n,scm_info_frame *iframes) */ static void -narrow_stack (SCM stack,int inner,SCM inner_key,int outer,SCM outer_key) +narrow_stack (SCM stack,scm_bits_t inner,SCM inner_key,scm_bits_t outer,SCM outer_key) { - scm_stack *s = SCM_STACK (stack); - int i; - int n = s->length; + scm_stack_t *s = SCM_STACK (stack); + scm_bits_t i; + scm_bits_t n = s->length; /* Cut inner part. */ if (SCM_EQ_P (inner_key, SCM_BOOL_T)) @@ -421,10 +421,11 @@ SCM_DEFINE (scm_make_stack, "make-stack", 1, 0, 1, "resulting stack will be narrowed.") #define FUNC_NAME s_scm_make_stack { - int n, maxp, size; - scm_debug_frame *dframe = scm_last_debug_frame; - scm_info_frame *iframe; - long offset = 0; + scm_bits_t n, size; + int maxp; + scm_debug_frame_t *dframe = scm_last_debug_frame; + scm_info_frame_t *iframe; + scm_bits_t offset = 0; SCM stack, id; SCM inner_cut, outer_cut; @@ -436,10 +437,10 @@ SCM_DEFINE (scm_make_stack, "make-stack", 1, 0, 1, { SCM_ASSERT (SCM_NIMP (obj), obj, SCM_ARG1, FUNC_NAME); if (SCM_DEBUGOBJP (obj)) - dframe = (scm_debug_frame *) SCM_DEBUGOBJ_FRAME (obj); + dframe = (scm_debug_frame_t *) SCM_DEBUGOBJ_FRAME (obj); else if (SCM_CONTINUATIONP (obj)) { - offset = ((SCM_STACKITEM *) ((char *) SCM_CONTREGS (obj) + sizeof (scm_contregs)) + offset = ((SCM_STACKITEM *) ((char *) SCM_CONTREGS (obj) + sizeof (scm_contregs_t)) - SCM_BASE (obj)); #ifndef STACK_GROWS_UP offset += SCM_CONTINUATION_LENGTH (obj); @@ -512,18 +513,18 @@ SCM_DEFINE (scm_stack_id, "stack-id", 1, 0, 0, "Return the identifier given to @var{stack} by @code{start-stack}.") #define FUNC_NAME s_scm_stack_id { - scm_debug_frame *dframe; - long offset = 0; + scm_debug_frame_t *dframe; + scm_bits_t offset = 0; if (SCM_EQ_P (stack, SCM_BOOL_T)) dframe = scm_last_debug_frame; else { SCM_VALIDATE_NIM (1,stack); if (SCM_DEBUGOBJP (stack)) - dframe = (scm_debug_frame *) SCM_DEBUGOBJ_FRAME (stack); + dframe = (scm_debug_frame_t *) SCM_DEBUGOBJ_FRAME (stack); else if (SCM_CONTINUATIONP (stack)) { - offset = ((SCM_STACKITEM *) ((char *) SCM_CONTREGS (stack) + sizeof (scm_contregs)) + offset = ((SCM_STACKITEM *) ((char *) SCM_CONTREGS (stack) + sizeof (scm_contregs_t)) - SCM_BASE (stack)); #ifndef STACK_GROWS_UP offset += SCM_CONTINUATION_LENGTH (stack); @@ -586,16 +587,16 @@ SCM_DEFINE (scm_last_stack_frame, "last-stack-frame", 1, 0, 0, "debug object or a continuation.") #define FUNC_NAME s_scm_last_stack_frame { - scm_debug_frame *dframe; - long offset = 0; + scm_debug_frame_t *dframe; + scm_bits_t offset = 0; SCM stack; SCM_VALIDATE_NIM (1,obj); if (SCM_DEBUGOBJP (obj)) - dframe = (scm_debug_frame *) SCM_DEBUGOBJ_FRAME (obj); + dframe = (scm_debug_frame_t *) SCM_DEBUGOBJ_FRAME (obj); else if (SCM_CONTINUATIONP (obj)) { - offset = ((SCM_STACKITEM *) ((char *) SCM_CONTREGS (obj) + sizeof (scm_contregs)) + offset = ((SCM_STACKITEM *) ((char *) SCM_CONTREGS (obj) + sizeof (scm_contregs_t)) - SCM_BASE (obj)); #ifndef STACK_GROWS_UP offset += SCM_CONTINUATION_LENGTH (obj); @@ -616,7 +617,7 @@ SCM_DEFINE (scm_last_stack_frame, "last-stack-frame", 1, 0, 0, SCM_STACK (stack) -> length = 1; SCM_STACK (stack) -> frames = &SCM_STACK (stack) -> tail[0]; read_frame (dframe, offset, - (scm_info_frame *) &SCM_STACK (stack) -> frames[0]); + (scm_info_frame_t *) &SCM_STACK (stack) -> frames[0]); return scm_cons (stack, SCM_INUM0);; } @@ -671,7 +672,7 @@ SCM_DEFINE (scm_frame_previous, "frame-previous", 1, 0, 0, "@var{frame} is the first frame in its stack.") #define FUNC_NAME s_scm_frame_previous { - int n; + scm_bits_t n; SCM_VALIDATE_FRAME (1,frame); n = SCM_INUM (SCM_CDR (frame)) + 1; if (n >= SCM_STACK_LENGTH (SCM_CAR (frame))) @@ -687,7 +688,7 @@ SCM_DEFINE (scm_frame_next, "frame-next", 1, 0, 0, "@var{frame} is the last frame in its stack.") #define FUNC_NAME s_scm_frame_next { - int n; + scm_bits_t n; SCM_VALIDATE_FRAME (1,frame); n = SCM_INUM (SCM_CDR (frame)) - 1; if (n < 0) |