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added check before removing trailing { or ;

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Clemens-Dautermann 2020-08-17 01:33:38 +02:00
parent b3fe78fffb
commit 1099f260d7
3 changed files with 42 additions and 45 deletions
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11
Compiler/Parser/Parser.cs
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@ -73,6 +73,11 @@ namespace Compiler.Parser
n.Children.Add(Parse(ref tokenList, NodeType.StatementNode));
//remove trailing }
if (tokenList[0].TokenType != TokenType.CloseBraceToken)
{
throw new UnexpectedTokenException(TokenType.CloseBraceToken, tokenList[0].TokenType);
}
tokenList.RemoveAt(0);
break;
case NodeType.StatementNode:
@ -93,6 +98,12 @@ namespace Compiler.Parser
//add returned child node to AST
n.Children.Add(Parse(ref tokenList, NodeType.ExpressionNode));
//remove trailing ;
if (tokenList[0].TokenType != TokenType.SemicolonToken)
{
throw new UnexpectedTokenException(TokenType.SemicolonToken, tokenList[0].TokenType);
}
tokenList.RemoveAt(0);
}