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Code Issues 1 Releases Wiki Activity

Change name of debugp to description. Use it

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the repl for easier inspection of structures.
This commit is contained in:
bakpakin 2017-07-02 11:53:51 -04:00
parent 62987de75b
commit 2742e3679d
5 changed files with 91 additions and 87 deletions
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2
client/main.c
View File

@ -157,7 +157,7 @@ static int debug_repl(Gst *vm) {
continue;
}
if (!debug_compile_and_run(vm, gst_parse_consume(&p), vm->ret)) {
printf("%s\n", gst_to_string(vm, vm->ret));
printf("%s\n", gst_description(vm, vm->ret));
}
}
}

80
core/stl.c
View File

@ -832,83 +832,11 @@ int gst_stl_gcollect(Gst *vm) {
return GST_RETURN_OK;
}
/* Static debug print helper */
static GstInteger gst_stl_debugp_helper(Gst *vm, GstBuffer *b, GstTable *seen, GstValue x, GstInteger next, int depth) {
GstValue check = gst_table_get(seen, x);
const uint8_t *str;
/* Prevent a stack overflow */
if (depth++ > GST_RECURSION_GUARD)
return -1;
if (check.type == GST_INTEGER) {
str = gst_to_string(vm, check);
gst_buffer_append_cstring(vm, b, "<visited ");
gst_buffer_append(vm, b, str, gst_string_length(str));
gst_buffer_append_cstring(vm, b, ">");
} else {
uint8_t open, close;
uint32_t len, i;
const GstValue *data;
switch (x.type) {
default:
str = gst_to_string(vm, x);
gst_buffer_append(vm, b, str, gst_string_length(str));
return next;
case GST_STRUCT:
open = '<'; close = '>';
break;
case GST_TABLE:
open = '{'; close = '}';
break;
case GST_TUPLE:
open = '('; close = ')';
break;
case GST_ARRAY:
open = '['; close = ']';
break;
}
gst_table_put(vm, seen, x, gst_wrap_integer(next++));
gst_buffer_push(vm, b, open);
if (gst_hashtable_view(x, &data, &len)) {
int isfirst = 1;
for (i = 0; i < len; i += 2) {
if (data[i].type != GST_NIL) {
if (isfirst)
isfirst = 0;
else
gst_buffer_push(vm, b, ' ');
next = gst_stl_debugp_helper(vm, b, seen, data[i], next, depth);
if (next == -1)
return -1;
gst_buffer_push(vm, b, ' ');
next = gst_stl_debugp_helper(vm, b, seen, data[i + 1], next, depth);
if (next == -1)
return -1;
}
}
} else if (gst_seq_view(x, &data, &len)) {
for (i = 0; i < len; ++i) {
next = gst_stl_debugp_helper(vm, b, seen, data[i], next, depth);
if (next == -1)
return -1;
if (i != len - 1)
gst_buffer_push(vm, b, ' ');
}
}
gst_buffer_push(vm, b, close);
}
return next;
}
/* Debug print */
int gst_stl_debugp(Gst *vm) {
int gst_stl_description(Gst *vm) {
GstValue x = gst_arg(vm, 0);
GstBuffer *buf = gst_buffer(vm, 10);
GstInteger res = gst_stl_debugp_helper(vm, buf, gst_table(vm, 10), x, 0, 0);
if (res == -1) {
gst_c_throwc(vm, "recursed too deeply in debugp");
} else {
gst_c_return(vm, gst_wrap_string(gst_buffer_to_string(vm, buf)));
}
const uint8_t *buf = gst_description(vm, x);
gst_c_return(vm, gst_wrap_string(buf));
}
/***/
@ -1169,7 +1097,7 @@ static const GstModuleItem std_module[] = {
{"funcdef", gst_stl_funcdef},
{"funcparent", gst_stl_funcparent},
{"gcollect", gst_stl_gcollect},
{"debugp", gst_stl_debugp},
{"description", gst_stl_description},
{"global-def", gst_stl_def},
{"global-var", gst_stl_var},
{NULL, NULL}

75
core/util.c
View File

@ -238,6 +238,81 @@ GstInteger gst_endrange(GstInteger raw, uint32_t len) {
return raw;
}
/* Static debug print helper */
static GstInteger gst_description_helper(Gst *vm, GstBuffer *b, GstTable *seen, GstValue x, GstInteger next, int depth) {
GstValue check = gst_table_get(seen, x);
const uint8_t *str;
/* Prevent a stack overflow */
if (depth++ > GST_RECURSION_GUARD)
return -1;
if (check.type == GST_INTEGER) {
str = gst_to_string(vm, check);
gst_buffer_append_cstring(vm, b, "<visited ");
gst_buffer_append(vm, b, str, gst_string_length(str));
gst_buffer_append_cstring(vm, b, ">");
} else {
uint8_t open, close;
uint32_t len, i;
const GstValue *data;
switch (x.type) {
default:
str = gst_to_string(vm, x);
gst_buffer_append(vm, b, str, gst_string_length(str));
return next;
case GST_STRUCT:
open = '<'; close = '>';
break;
case GST_TABLE:
open = '{'; close = '}';
break;
case GST_TUPLE:
open = '('; close = ')';
break;
case GST_ARRAY:
open = '['; close = ']';
break;
}
gst_table_put(vm, seen, x, gst_wrap_integer(next++));
gst_buffer_push(vm, b, open);
if (gst_hashtable_view(x, &data, &len)) {
int isfirst = 1;
for (i = 0; i < len; i += 2) {
if (data[i].type != GST_NIL) {
if (isfirst)
isfirst = 0;
else
gst_buffer_push(vm, b, ' ');
next = gst_description_helper(vm, b, seen, data[i], next, depth);
if (next == -1)
gst_buffer_append_cstring(vm, b, "...");
gst_buffer_push(vm, b, ' ');
next = gst_description_helper(vm, b, seen, data[i + 1], next, depth);
if (next == -1)
gst_buffer_append_cstring(vm, b, "...");
}
}
} else if (gst_seq_view(x, &data, &len)) {
for (i = 0; i < len; ++i) {
next = gst_description_helper(vm, b, seen, data[i], next, depth);
if (next == -1)
return -1;
if (i != len - 1)
gst_buffer_push(vm, b, ' ');
}
}
gst_buffer_push(vm, b, close);
}
return next;
}
/* Debug print. Returns a description of an object as a buffer. */
const uint8_t *gst_description(Gst *vm, GstValue x) {
GstBuffer *buf = gst_buffer(vm, 10);
gst_description_helper(vm, buf, gst_table(vm, 10), x, 0, 0);
return gst_buffer_to_string(vm, buf);
}
int gst_callc(Gst *vm, GstCFunction fn, int numargs, ...) {
int result, i;
va_list args;

2
gsttests/basic.gst
View File

@ -58,7 +58,7 @@
(def scheck (fn [x]
(def dat (serialize x))
(def deser (deserialize dat))
(assert (= x deser) (string "serialize " (debugp x)))
(assert (= x deser) (string "serialize " (description x)))
))
(scheck 1)

1
include/gst/gst.h
View File

@ -661,5 +661,6 @@ void gst_env_put(Gst *vm, GstTable *env, GstValue key, GstValue value);
void gst_env_putc(Gst *vm, GstTable *env, const char *key, GstValue value);
void gst_env_putvar(Gst *vm, GstTable *env, GstValue key, GstValue value);
void gst_env_putvarc(Gst *vm, GstTable *env, const char *key, GstValue value);
const uint8_t *gst_description(Gst *vm, GstValue x);
#endif // GST_H_defined