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mruby-compiler (codegen): detect too-deep nesting error; fix #6270

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2024-10-12 22:41:20 +09:00
parent fa68e634a7
commit 06f45f8635
1 changed files with 2 additions and 0 deletions
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mrbgems/mruby-compiler/core/codegen.c
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@@ -3066,6 +3066,7 @@ codegen(codegen_scope *s, node *tree, int val)
if (s2 && s2->ainfo > 0) {
ainfo = s2->ainfo;
}
if (lv > 0xf) codegen_error(s, "too deep nesting");
if (ainfo > 0) {
genop_2S(s, OP_ARGARY, cursp(), (ainfo<<4)|(lv & 0xf));
push(); push(); push(); /* ARGARY pushes 3 values at most */
@@ -3128,6 +3129,7 @@ codegen(codegen_scope *s, node *tree, int val)
ainfo = (int)s2->ainfo;
}
if (ainfo < 0) codegen_error(s, "invalid yield (SyntaxError)");
if (lv > 0xf) codegen_error(s, "too deep nesting");
push();
if (tree) {
if (tree->car) {