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more optimization

This commit is contained in:
Yuichi Nishiwaki 2015-06-27 15:59:22 +09:00
parent 03792f85de
commit df645b68ae
1 changed files with 4 additions and 10 deletions
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12
extlib/benz/codegen.c
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@ -361,19 +361,11 @@ static void pop_scope(analyze_state *);
static void
analyze_state_init(analyze_state *state, pic_state *pic)
{
pic_sym *sym;
khiter_t it;
int ret;
state->pic = pic;
state->scope = NULL;
/* push initial scope */
push_scope(state, &state->s, pic_nil_value());
pic_dict_for_each (sym, pic->globals, it) {
kh_put(a, &state->scope->locals, sym, &ret);
}
}
static void
@ -453,7 +445,7 @@ pop_scope(analyze_state *state)
static bool
lookup_scope(analyze_scope *scope, pic_sym *sym)
{
return kh_get(a, &scope->args, sym) != kh_end(&scope->args) || kh_get(a, &scope->locals, sym) != kh_end(&scope->locals);
return kh_get(a, &scope->args, sym) != kh_end(&scope->args) || kh_get(a, &scope->locals, sym) != kh_end(&scope->locals) || scope->depth == 0;
}
static void
@ -491,7 +483,9 @@ define_var(analyze_state *state, pic_sym *sym)
int ret;
if (lookup_scope(scope, sym)) {
if (scope->depth > 0 || pic_dict_has(pic, pic->globals, sym)) {
pic_warnf(pic, "redefining variable: ~s", pic_obj_value(sym));
}
return;
}