/// <summary>
/// Gets an expression for the string form of the supplied expression.
/// </summary>
/// <param name="expr"></param>
/// <returns></returns>
internal static IExpression GetExpressionTextExpression(IExpression expr)
{
string msgText = expr.ToString();
if (msgText.StartsWith("this."))
{
msgText = msgText.Substring(5);
}
string comma = CSharpWriter.InsertSpaceAfterComma ? ", " : ",";
if (expr is IArrayIndexerExpression)
{
List <IList <IExpression> > indices = CodeRecognizer.Instance.GetIndices(expr);
List <IExpression> indexExprs = new List <IExpression>();
bool foundVariableIndex = false;
foreach (IList <IExpression> bracket in indices)
{
StringBuilder bracketSb = new StringBuilder("[");
StringBuilder formatSb = new StringBuilder("[");
for (int i = 0; i < bracket.Count; i++)
{
if (i > 0)
{
bracketSb.Append(comma);
formatSb.Append(",");
}
IExpression indexExpr = bracket[i];
bracketSb.Append(indexExpr);
if (indexExpr is ILiteralExpression)
{
formatSb.Append(indexExpr);
}
else
{
foundVariableIndex = true;
int formatIndex = indexExprs.Count;
formatSb.Append("{");
formatSb.Append(formatIndex);
formatSb.Append("}");
indexExprs.Add(indexExpr);
}
}
bracketSb.Append("]");
formatSb.Append("]");
msgText = msgText.Replace(bracketSb.ToString(), formatSb.ToString());
}
if (foundVariableIndex)
{
IArrayCreateExpression indexArray = Builder.ArrayCreateExpr(typeof(object), Builder.LiteralExpr(indexExprs.Count));
indexArray.Initializer = Builder.BlockExpr();
indexArray.Initializer.Expressions.AddRange(indexExprs);
return(Builder.StaticMethod(new Func <string, object[], string>(string.Format), Builder.LiteralExpr(msgText), indexArray));
}
}
IExpression textExpr = Builder.LiteralExpr(msgText);
return(textExpr);
}
internal static IExpression MakePlaceHolderArrayCreate(IExpression expr, IList <IVariableDeclaration> indexVars)
{
CodeBuilder Builder = CodeBuilder.Instance;
IArrayCreateExpression iace = Builder.ArrayCreateExpr(typeof(PlaceHolder), Util.ArrayInit(indexVars.Count, i => Builder.VarRefExpr(indexVars[i])));
iace.Initializer = Builder.BlockExpr();
iace.Initializer.Expressions.Add(expr);
return(iace);
}