private void WaddleIfStmt(IfStmtSyntax ifStmt)
{
if (_currentFunction == null)
{
throw new SemanticErrorException($"can not use if statement outside of function.");
}
// check that expr is boolean
var exprType = WaddleExpression(ifStmt.Expression);
if (IsAssignableFrom(TypeSymbol.Bool, exprType) == false)
{
throw new SemanticErrorException("If-Statement expression must result in boolean value.");
}
WaddleBody(ifStmt.Body);
}
public bool EnterIfStmt(IfStmtSyntax ifStmt, WaddleContext ctx)
{
if (_currentFunction == null)
{
throw new SemanticErrorException($"can not use if statement outside of function.");
}
// check that expr is boolean
var exprType = ifStmt.Expression.Accept(TypeVisitor);
if (TypeSymbol.Bool != exprType)
{
throw new SemanticErrorException("If-Statement expression must result in boolean value.");
}
return(true);
}
public virtual TResult Visit(IfStmtSyntax syntax)
{
return(DefaultResult);
}
public void LeaveIfStmt(IfStmtSyntax ifStmt, WaddleContext ctx)
{
}