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enforce scope definitions in for loop declarations

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dfsek
2020-12-25 02:43:15 -07:00
parent 2e68a0db5d
commit bbab6e39ff
1 changed files with 3 additions and 0 deletions
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common/src/main/java/com/dfsek/terra/api/structures/parser/Parser.java
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@@ -128,6 +128,9 @@ public class Parser {
ParserUtil.checkType(tokens.consume(), Token.Type.STRING_VARIABLE, Token.Type.BOOLEAN_VARIABLE, Token.Type.NUMBER_VARIABLE);
Token name = tokens.get();
if(functions.containsKey(name.getContent()) || variableMap.containsKey(name.getContent()) || builtinFunctions.contains(name.getContent()))
throw new ParseException(name.getContent() + " is already defined in this scope: " + name.getPosition());
initializer = parseAssignment(forVar, tokens, variableMap);
variableMap.put(name.getContent(), forVar);
} else initializer = parseExpression(tokens, true, variableMap);