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Added ++, -- to the interpreter

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augustin64 2023-11-14 19:48:24 +01:00
parent 430ac2be09
commit 0eb84afebf
1 changed files with 14 additions and 0 deletions
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14
src/interpreter.cpp
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@ -82,6 +82,20 @@ EvalResult eval(Node &ast) {
return expr;
} break;
case NodeType::LIncr:
case NodeType::RIncr: {
Token identifierTok = get<Token>(node.children[0]);
string identifier = get<string>(identifierTok.data);
return node.type == NodeType::LIncr ? ++memory[identifier] : memory[identifier]++;
}
case NodeType::LDecr:
case NodeType::RDecr: {
Token identifierTok = get<Token>(node.children[0]);
string identifier = get<string>(identifierTok.data);
return node.type == NodeType::LDecr ? --memory[identifier] : memory[identifier]--;
}
}
}
else {