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Remove vm crash return and use error instead.

This commit is contained in:
bakpakin 2017-07-09 16:15:44 -04:00
parent de9d7bcfdc
commit 53cead0bab
3 changed files with 4 additions and 13 deletions

View File

@ -91,11 +91,7 @@ static int debug_compile_and_run(Gst *vm, GstValue ast, int64_t flags) {
}
/* Execute function */
if (gst_run(vm, func)) {
if (vm->crash) {
printf_flags(flags, "31", "vm crash: %s\n", vm->crash);
} else {
printf_flags(flags, "31", "vm error: %s\n", (const char *)gst_to_string(vm, vm->ret));
}
printf_flags(flags, "31", "vm error: %s\n", (const char *)gst_to_string(vm, vm->ret));
return 1;
}
return 0;

View File

@ -36,7 +36,6 @@ int gst_continue(Gst *vm) {
#define gst_exit(vm, r) return ((vm)->ret = (r), GST_RETURN_OK)
#define gst_error(vm, e) do { (vm)->ret = gst_string_cv((vm), (e)); goto vm_error; } while (0)
#define gst_crash(vm, e) return ((vm)->crash = (e), GST_RETURN_CRASH)
#define gst_assert(vm, cond, e) do {if (!(cond)){gst_error((vm), (e));}} while (0)
/* Intialize local state */
@ -452,8 +451,6 @@ int gst_run(Gst *vm, GstValue callee) {
} else {
/* Create new thread */
vm->thread = gst_thread(vm, callee, 64);
if (vm->thread == NULL)
return GST_RETURN_CRASH;
}
if (callee.type == GST_CFUNCTION) {
vm->ret.type = GST_NIL;
@ -461,7 +458,8 @@ int gst_run(Gst *vm, GstValue callee) {
} else if (callee.type == GST_FUNCTION) {
result = gst_continue(vm);
} else {
return GST_RETURN_CRASH;
vm->ret = gst_string_cv(vm, "expected function");
return GST_RETURN_ERROR;
}
/* Handle yields */
while (result == GST_RETURN_OK && vm->thread->status == GST_THREAD_PENDING) {
@ -503,7 +501,6 @@ uint32_t gst_count_args(Gst *vm) {
/* Initialize the VM */
void gst_init(Gst *vm) {
vm->ret.type = GST_NIL;
vm->crash = NULL;
/* Garbage collection */
vm->blocks = NULL;
vm->nextCollection = 0;

View File

@ -294,7 +294,6 @@ struct GstUserdataHeader {
/* VM return status from c function */
#define GST_RETURN_OK 0
#define GST_RETURN_ERROR 1
#define GST_RETURN_CRASH 2
/* The VM state */
struct Gst {
@ -314,8 +313,7 @@ struct Gst {
GstTable *registry;
GstTable *env;
/* Return state */
const char *crash;
GstValue ret; /* Returned value from gst_start. */
GstValue ret;
};
/* The type of a ParseState */