private AphidExpression ParseArrayAccessExpression()
{
var exp = ParseCallExpression();
for (
; (this._currentToken.TokenType == AphidTokenType.LeftBracket);
) {
NextToken();
var key = ParseExpression();
Match(AphidTokenType.RightBracket);
exp = new ArrayAccessExpression(exp, key);
}
return exp;
}
public Expression ParseArrayAccessExpression()
{
var exp = ParseCallExpression();
while (_currentToken.TokenType == AphidTokenType.LeftBracket)
{
NextToken();
var key = ParseExpression();
Match(AphidTokenType.RightBracket);
exp = new ArrayAccessExpression(exp, key);
}
return(exp);
}
public Expression ParseArrayAccessExpression()
{
var exp = ParseCallExpression();
while (_currentToken.TokenType == AphidTokenType.LeftBracket)
{
NextToken();
var key = ParseExpression();
Match(AphidTokenType.RightBracket);
exp = new ArrayAccessExpression(exp, key);
}
return exp;
}
public static ArrayAccessExpression Create(
AphidExpressionContext context_aphidExpressionContext,
AphidExpression arrayExpression_aphidExpression,
List <AphidExpression> keyExpressions_list,
int value_i,
int value_i1
)
{
ArrayAccessExpression arrayAccessExpression
= new ArrayAccessExpression(context_aphidExpressionContext,
arrayExpression_aphidExpression, keyExpressions_list);
((AphidExpression)arrayAccessExpression).Index = value_i;
((AphidExpression)arrayAccessExpression).Length = value_i1;
return(arrayAccessExpression);
// TODO: Edit factory method of ArrayAccessExpression
// This method should be able to configure the object in all possible ways.
// Add as many parameters as needed,
// and assign their values to each field by using the API.
}
public Expression ParseFactor()
{
Expression exp;
switch (_currentToken.TokenType)
{
case AphidTokenType.LeftBrace:
exp = ParseObjectExpression();
break;
case AphidTokenType.LeftBracket:
exp = ParseArrayExpression();
break;
case AphidTokenType.LeftParenthesis:
NextToken();
exp = ParseExpression();
Match(AphidTokenType.RightParenthesis);
break;
case AphidTokenType.String:
exp = ParseStringExpression();
break;
case AphidTokenType.Number:
exp = ParseNumberExpression();
break;
case AphidTokenType.Identifier:
exp = ParseIdentifierExpression();
break;
case AphidTokenType.functionOperator:
exp = ParseFunctionExpression();
break;
case AphidTokenType.forKeyword:
exp = ParseForExpression();
break;
case AphidTokenType.retKeyword:
exp = ParseReturnExpression();
break;
case AphidTokenType.trueKeyword:
exp = new BooleanExpression(true);
NextToken();
break;
case AphidTokenType.falseKeyword:
exp = new BooleanExpression(false);
NextToken();
break;
case AphidTokenType.thisKeyword:
exp = new ThisExpression();
NextToken();
break;
case AphidTokenType.ifKeyword:
exp = ParseIfExpression();
break;
case AphidTokenType.LoadScriptOperator:
exp = ParseLoadScriptExpression();
break;
case AphidTokenType.LoadLibraryOperator:
exp = ParseLoadLibraryExpression();
break;
case AphidTokenType.nullKeyword:
exp = new NullExpression();
NextToken();
break;
case AphidTokenType.breakKeyword:
exp = new BreakExpression();
NextToken();
break;
case AphidTokenType.HexNumber:
exp = new NumberExpression((decimal)Convert.ToInt64(_currentToken.Lexeme.Substring(2), 16));
NextToken();
break;
default:
throw new AphidParserException(_currentToken);
}
switch (_currentToken.TokenType)
{
case AphidTokenType.LeftBracket:
if (exp is ArrayExpression)
{
break;
}
NextToken();
var key = ParseExpression();
Match(AphidTokenType.RightBracket);
exp = new ArrayAccessExpression(exp, key);
break;
}
return(exp);
}
public Expression ParseFactor()
{
Expression exp;
switch (_currentToken.TokenType)
{
case AphidTokenType.LeftBrace:
exp = ParseObjectExpression();
break;
case AphidTokenType.LeftBracket:
exp = ParseArrayExpression();
break;
case AphidTokenType.LeftParenthesis:
NextToken();
exp = ParseExpression();
Match(AphidTokenType.RightParenthesis);
break;
case AphidTokenType.String:
exp = ParseStringExpression();
break;
case AphidTokenType.Number:
exp = ParseNumberExpression();
break;
case AphidTokenType.Identifier:
exp = ParseIdentifierExpression();
break;
case AphidTokenType.functionOperator:
exp = ParseFunctionExpression();
break;
case AphidTokenType.forKeyword:
exp = ParseForExpression();
break;
case AphidTokenType.retKeyword:
exp = ParseReturnExpression();
break;
case AphidTokenType.trueKeyword:
exp = new BooleanExpression(true);
NextToken();
break;
case AphidTokenType.falseKeyword:
exp = new BooleanExpression(false);
NextToken();
break;
case AphidTokenType.thisKeyword:
exp = new ThisExpression();
NextToken();
break;
case AphidTokenType.ifKeyword:
exp = ParseIfExpression();
break;
case AphidTokenType.LoadScriptOperator:
exp = ParseLoadScriptExpression();
break;
case AphidTokenType.LoadLibraryOperator:
exp = ParseLoadLibraryExpression();
break;
case AphidTokenType.nullKeyword:
exp = new NullExpression();
NextToken();
break;
case AphidTokenType.breakKeyword:
exp = new BreakExpression();
NextToken();
break;
case AphidTokenType.HexNumber:
exp = new NumberExpression((decimal)Convert.ToInt64(_currentToken.Lexeme.Substring(2), 16));
NextToken();
break;
default:
throw new AphidParserException(_currentToken);
}
switch (_currentToken.TokenType)
{
case AphidTokenType.LeftBracket:
if (exp is ArrayExpression)
{
break;
}
NextToken();
var key = ParseExpression();
Match(AphidTokenType.RightBracket);
exp = new ArrayAccessExpression(exp, key);
break;
}
return exp;
}
private AphidObject InterpretArrayAccessExpression(ArrayAccessExpression expression)
{
var val = ValueHelper.Unwrap(InterpretExpression(expression.ArrayExpression));
var index = Convert.ToInt32(ValueHelper.Unwrap(InterpretExpression(expression.KeyExpression)));
var array = val as List<AphidObject>;
string str;
if (array != null)
{
return array[index];
}
else if ((str = val as string) != null)
{
return CallInitFunction(new AphidObject(str[index].ToString()));
}
else
{
throw new AphidRuntimeException("Array access not supported by {0}.", val);
}
}
private CodeExpression GenerateImperativeExpression(ArrayAccessExpression node)
{
return new CodeArrayIndexerExpression(
GenerateImperativeExpression(node.ArrayExpression),
GenerateImperativeExpression(node.KeyExpression));
}