private void TryAddStructDefaultMethod(INamedTypeSymbol symbol, LuaStructDeclarationSyntax declaration) {
if (declaration.IsInitStatementExists) {
LuaIdentifierNameSyntax className = new LuaIdentifierNameSyntax(symbol.Name);
var thisIdentifier = LuaIdentifierNameSyntax.This;
LuaFunctionExpressionSyntax functionExpression = new LuaFunctionExpressionSyntax();
functionExpression.AddParameter(className);
var invocation = new LuaInvocationExpressionSyntax(LuaIdentifierNameSyntax.setmetatable, LuaTableInitializerExpression.Empty, className);
LuaLocalVariableDeclaratorSyntax local = new LuaLocalVariableDeclaratorSyntax(thisIdentifier, invocation);
functionExpression.AddStatement(local);
functionExpression.AddStatement(new LuaExpressionStatementSyntax(new LuaInvocationExpressionSyntax(LuaIdentifierNameSyntax.Init, thisIdentifier)));
functionExpression.AddStatement(new LuaReturnStatementSyntax(thisIdentifier));
declaration.AddMethod(LuaIdentifierNameSyntax.Default, functionExpression, false);
}
}
private void AddStructEqualsObjMethod(INamedTypeSymbol symbol, LuaStructDeclarationSyntax declaration, LuaExpressionSyntax typeName, List <LuaIdentifierNameSyntax> fields)
{
var thisIdentifier = LuaIdentifierNameSyntax.This;
LuaIdentifierNameSyntax obj = LuaIdentifierNameSyntax.Obj;
LuaFunctionExpressionSyntax functionExpression = new LuaFunctionExpressionSyntax();
functionExpression.AddParameter(thisIdentifier);
functionExpression.AddParameter(obj);
var left = new LuaInvocationExpressionSyntax(LuaIdentifierNameSyntax.getmetatable, obj);
LuaIfStatementSyntax ifStatement = new LuaIfStatementSyntax(new LuaBinaryExpressionSyntax(left, LuaSyntaxNode.Tokens.NotEquals, typeName));
ifStatement.Body.Statements.Add(new LuaReturnStatementSyntax(LuaIdentifierNameSyntax.False));
functionExpression.AddStatement(ifStatement);
if (fields.Count > 0)
{
var equalsStatic = LuaIdentifierNameSyntax.EqualsStatic;
LuaLocalVariableDeclaratorSyntax variableDeclarator = new LuaLocalVariableDeclaratorSyntax(equalsStatic, LuaIdentifierNameSyntax.SystemObjectEqualsStatic);
functionExpression.AddStatement(variableDeclarator);
LuaExpressionSyntax expression = null;
foreach (LuaIdentifierNameSyntax field in fields)
{
LuaMemberAccessExpressionSyntax argument1 = new LuaMemberAccessExpressionSyntax(thisIdentifier, field);
LuaMemberAccessExpressionSyntax argument2 = new LuaMemberAccessExpressionSyntax(obj, field);
LuaInvocationExpressionSyntax invocation = new LuaInvocationExpressionSyntax(equalsStatic, argument1, argument2);
if (expression == null)
{
expression = invocation;
}
else
{
expression = new LuaBinaryExpressionSyntax(expression, LuaSyntaxNode.Tokens.And, invocation);
}
}
Contract.Assert(expression != null);
functionExpression.AddStatement(new LuaReturnStatementSyntax(expression));
}
declaration.AddMethod(LuaIdentifierNameSyntax.EqualsObj, functionExpression, false);
}
internal void Render(LuaLocalVariableDeclaratorSyntax node)
{
node.Declarator.Render(this);
WriteNewLine();
}
