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Return nil if argument of NODE_RETURN and NODE_NEXT is not specified.

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This commit is contained in:
Masamitsu MURASE
2013-02-27 02:37:26 +09:00
parent d3418a7ac8
commit 49c929a237
1 changed files with 11 additions and 3 deletions
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src/codegen.c
+11 -3
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@@ -1571,15 +1571,20 @@ codegen(codegen_scope *s, node *tree, int val)
break;
case NODE_RETURN:
codegen(s, tree, VAL);
pop();
if (tree) {
codegen(s, tree, VAL);
pop();
}
else {
genop(s, MKOP_A(OP_LOADNIL, cursp()));
}
if (s->loop) {
genop(s, MKOP_AB(OP_RETURN, cursp(), OP_R_RETURN));
}
else {
genop_peep(s, MKOP_AB(OP_RETURN, cursp(), OP_R_NORMAL), NOVAL);
}
push();
if (val) push();
break;
case NODE_YIELD:
@@ -1631,6 +1636,9 @@ codegen(codegen_scope *s, node *tree, int val)
codegen(s, tree, VAL);
pop();
}
else {
genop(s, MKOP_A(OP_LOADNIL, cursp()));
}
genop_peep(s, MKOP_AB(OP_RETURN, cursp(), OP_R_NORMAL), NOVAL);
}
if (val) push();