public override ExecuteResult Execute(Space space) {
if (!IsSuccess(_expression.Execute(space))) {
ErrorLogger.LogRuntimeError(ErrorRuntimeCode.Foreach, "The expression execute failed!");
return ExecuteResult.Failed;
}
if (!ValueTool.IsArray(_expression.value)) {
ErrorLogger.LogRuntimeError(ErrorRuntimeCode.Foreach, "The expression isn't a array!");
return ExecuteResult.Failed;
}
var arr = (_expression.value as ValueArray).value;
if (arr.Count == 0) {
return ExecuteResult.Successed;
}
var tempSpace = new Space(SpaceType.Loop, space);
var itemVariable = new Variable(_name, VariableAttribute.None);
if (!tempSpace.AddVariable(itemVariable)) {
ErrorLogger.LogRuntimeError(_name);
ErrorLogger.LogRuntimeError(ErrorRuntimeCode.Foreach, "The variable \"" + _name + "\" execute failed!");
return ExecuteResult.Failed;
}
var contentSpace = new Space(SpaceType.Loop, tempSpace);
foreach (var item in arr) {
itemVariable.SetValue(item.value);
contentSpace.Clear();
var ret = _sentence.Execute(contentSpace);
if (!IsSuccess(ret)) {
ErrorLogger.LogRuntimeError(ErrorRuntimeCode.Foreach, "The sentence execute failed!");
return ExecuteResult.Failed;
}
if (ret == ExecuteResult.Break) {
break;
}
if (ret == ExecuteResult.Return) {
SetReturnValue((_sentence as SentenceReturn).returnValue);
tempSpace.Clear();
return ExecuteResult.Return;
}
}
tempSpace.Clear();
return ExecuteResult.Successed;
}
public Variable Execute(Space space) {
if (!Sentence.IsSuccess(_valueExpression.Execute(space))) {
ErrorLogger.LogRuntimeError(ErrorRuntimeCode.VariableArrayItemAnalysis, "The expression execute failed!");
return null;
}
var retValue = _valueExpression.value;
Variable retVariable = null;
var expressionVecSize = _indexExpressionVec.Count;
for (var i = 0; i < expressionVecSize; ++i) {
if (!ValueTool.IsArray(retValue)) {
ErrorLogger.LogRuntimeError(ErrorRuntimeCode.VariableArrayItemAnalysis, "The result of expression isn't a array!");
return null;
}
var arr = (retValue as ValueArray).value;
var expression = _indexExpressionVec[i];
if (!Sentence.IsSuccess(expression.Execute(space))) {
ErrorLogger.LogRuntimeError(ErrorRuntimeCode.VariableArrayItemAnalysis, "The expression execute failed!");
return null;
}
var indexValue = expression.value;
if (!ValueTool.IsInteger(indexValue)) {
ErrorLogger.LogRuntimeError(ErrorRuntimeCode.VariableArrayItemAnalysis, "The index isn't a integer value!");
return null;
}
var index = (int) ((indexValue as ValueNumber).value);
if (index >= arr.Count) {
ErrorLogger.LogRuntimeError(ErrorRuntimeCode.VariableArrayItemAnalysis, "The index out of range!");
return null;
}
retVariable = arr[index];
if (!retVariable) {
ErrorLogger.LogRuntimeError(ErrorRuntimeCode.VariableArrayItemAnalysis, "The array value is invalid!");
return null;
}
retValue = retVariable.value;
}
return retVariable;
}
private BuiltInFunction()
{
Action <string, int, Func <List <Value>, Space, Value> > _Emplace = (string name, int paramSize, Func <List <Value>, Space, Value> func) => {
var value = new ValueFunction(paramSize, func);
var variable = new Variable(name, VariableAttribute.Const, value);
variables.Add(name, variable);
};
// print
_Emplace.Invoke("print", 1, (List <Value> args, Space s) => {
string ret = "";
foreach (var arg in args)
{
ret += ValueTool.ToString(arg);
}
System0.Echo(ret);
return(ValueNull.DEFAULT_VALUE);
});
// type
_Emplace("type", 1, (List <Value> args, Space s) => {
if (args.Count == 0)
{
return(null);
}
return(new ValueString(ValueTool.ToTypeString(args[0])));
});
// is_null
_Emplace("is_null", 1, (List <Value> args, Space s) => {
if (args.Count == 0)
{
return(null);
}
bool ret = true;
foreach (var arg in args)
{
ret &= ValueTool.IsNull(arg);
}
return(new ValueBool(ret));
});
// is_number
_Emplace("is_number", 1, (List <Value> args, Space s) => {
if (args.Count == 0)
{
return(null);
}
bool ret = true;
foreach (var arg in args)
{
ret &= ValueTool.IsNumber(arg);
}
return(new ValueBool(ret));
});
// is_bool
_Emplace("is_bool", 1, (List <Value> args, Space s) => {
if (args.Count == 0)
{
return(null);
}
bool ret = true;
foreach (var arg in args)
{
ret &= ValueTool.IsBool(arg);
}
return(new ValueBool(ret));
});
// is_string
_Emplace("is_string", 1, (List <Value> args, Space s) => {
if (args.Count == 0)
{
return(null);
}
bool ret = true;
foreach (var arg in args)
{
ret &= ValueTool.IsString(arg);
}
return(new ValueBool(ret));
});
// is_array
_Emplace("is_array", 1, (List <Value> args, Space s) => {
if (args.Count == 0)
{
return(null);
}
bool ret = true;
foreach (var arg in args)
{
ret &= ValueTool.IsArray(arg);
}
return(new ValueBool(ret));
});
// is_function
_Emplace("is_function", 1, (List <Value> args, Space s) => {
if (args.Count == 0)
{
return(null);
}
bool ret = true;
foreach (var arg in args)
{
ret &= ValueTool.IsFunction(arg);
}
return(new ValueBool(ret));
});
// is_object
_Emplace("is_object", 1, (List <Value> args, Space s) => {
if (args.Count == 0)
{
return(null);
}
bool ret = true;
foreach (var arg in args)
{
ret &= ValueTool.IsObject(arg);
}
return(new ValueBool(ret));
});
// len
_Emplace("len", 1, (List <Value> args, Space s) => {
if (args.Count == 0)
{
return(null);
}
var value = args[0];
if (ValueTool.IsArray(value))
{
return(new ValueNumber((double)(value as ValueArray).value.Count));
}
else if (ValueTool.IsString(value))
{
return(new ValueNumber((double)(value as ValueString).value.Length));
}
return(ValueNull.DEFAULT_VALUE);
});
// to_string
_Emplace("to_string", 1, (List <Value> args, Space s) => {
if (args.Count == 0)
{
return(null);
}
var value = args[0];
return(new ValueString(ValueTool.ToString(value)));
});
// to_number
_Emplace("to_number", 1, (List <Value> args, Space s) => {
if (args.Count == 0)
{
return(null);
}
var value = args[0];
if (!ValueTool.IsString(value))
{
return(null);
}
double ret = 0;
if (!double.TryParse((value as ValueString).value, out ret))
{
ret = 0;
}
return(new ValueNumber(ret));
});
}