/// <summary>
/// Traverses assign AST
/// </summary>
/// <param name="ast">AssignAST</param>
private void VisitAssignAST(AssignAST ast)
{
string variableName = (string)ast.left.value;
object right = this.VisitNode(ast.right);
string type = this.symbolTable.LookupSymbol(variableName).type;
this.symbolTable.DefineSymbol(variableName, type, right);
}
/// <summary>
/// Gets an assignment AST
/// </summary>
/// <returns>AssignmentAST</returns>
private AST Assignment()
{
VariableAST left = this.Variable() as VariableAST;
Token token = this.currentToken;
this.ConsumeToken(token.type);
AST right = this.Expression();
AssignAST ast = new AssignAST(left, this.currentToken, right);
return(ast);
}
