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Fixed crash for parser.dll

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NovaRain
2020-03-11 09:18:39 +08:00
parent 7264e9fb28
commit daf5b1a9aa
2 changed files with 9 additions and 7 deletions
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parse.c
+7 -5
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@@ -1139,12 +1139,14 @@ static void term_prime(Procedure *p, NodeList *nodes) {
Node *node;
// term(p, nodes);
factor(p, nodes);
node = &nodes->nodes[nodes->numNodes - 1];
if ((i == '/' || i == '%' || i == T_DIV2) && node->token == T_CONSTANT && node->value.type != V_STRING && node->value.intData == 0) {
parseSemanticError("Division by zero!");
if (nodes->numNodes > 0) { // fix crash for DLL
node = &nodes->nodes[nodes->numNodes - 1];
if ((i == '/' || i == '%' || i == T_DIV2) && node->token == T_CONSTANT && node->value.type != V_STRING && node->value.intData == 0) {
parseSemanticError("Division by zero!");
}
emitOp(p, nodes, i);
term_prime(p, nodes);
}
emitOp(p, nodes, i);
term_prime(p, nodes);
}
else ungetToken();
}