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Move exception raising to scope_new.

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Besides that fix bugs that mistakenly calls `raise_error` that emits
code to raise runtime error instead of `codegen_error` that terminates
code generation immediately.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-10-11 20:16:19 +09:00
parent 20ceee794b
commit c310c8dc24
1 changed files with 5 additions and 13 deletions
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mrbgems/mruby-compiler/core/codegen.c
+5 -13
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@@ -686,9 +686,6 @@ for_body(codegen_scope *s, node *tree)
codegen(s, tree->cdr->car, VAL);
/* generate loop-block */
s = scope_new(s->mrb, s, NULL);
if (s == NULL) {
raise_error(prev, "unexpected scope");
}
push(); /* push for a block parameter */
@@ -724,9 +721,6 @@ lambda_body(codegen_scope *s, node *tree, int blk)
{
codegen_scope *parent = s;
s = scope_new(s->mrb, s, tree->car);
if (s == NULL) {
raise_error(parent, "unexpected scope");
}
s->mscope = !blk;
@@ -888,9 +882,6 @@ static int
scope_body(codegen_scope *s, node *tree, int val)
{
codegen_scope *scope = scope_new(s->mrb, s, tree->car);
if (scope == NULL) {
codegen_error(s, "unexpected scope");
}
codegen(scope, tree->cdr, VAL);
gen_return(scope, OP_RETURN, scope->sp-1);
@@ -2972,7 +2963,11 @@ scope_new(mrb_state *mrb, codegen_scope *prev, node *lv)
mrb_pool *pool = mrb_pool_open(mrb);
codegen_scope *p = (codegen_scope *)mrb_pool_alloc(pool, sizeof(codegen_scope));
if (!p) return NULL;
if (!p) {
if (prev)
codegen_error(prev, "unexpected scope");
return NULL;
}
*p = codegen_scope_zero;
p->mrb = mrb;
p->mpool = pool;
@@ -3165,9 +3160,6 @@ generate_code(mrb_state *mrb, parser_state *p, int val)
struct RProc *proc;
struct mrb_jmpbuf *prev_jmp = mrb->jmp;
if (!scope) {
return NULL;
}
scope->mrb = mrb;
scope->parser = p;
scope->filename_sym = p->filename_sym;