public ForStatement(Token relatedToken)
: base(relatedToken)
{
_blockStatement = new BlockStatement(relatedToken);
_init = new NodeCollection<ExpressionNode>();
_inc = new NodeCollection<ExpressionNode>();
}
public IfStatement(Token relatedToken)
: base(relatedToken)
{
_statements = new BlockStatement(relatedToken);
}
private StatementNode ParseStatement()
{
switch (_curtok.TokenId)
{
case TokenId.LCurly:
case TokenId.Block:
BlockStatement block = new BlockStatement(_curtok);
ParseBlock(block);
return block;
case TokenId.Semi:
Advance();
return new StatementNode(_curtok);
case TokenId.If:
return ParseIf();
case TokenId.For:
return ParseFor();
case TokenId.Break:
return ParseBreak();
case TokenId.Continue:
return ParseContinue();
case TokenId.Dollar:
return ParseDollar();
case TokenId.Echo:
return ParseEcho();
case TokenId.Html:
return ParseHtml();
case TokenId.String:
case TokenId.Int:
case TokenId.Double:
case TokenId.True:
case TokenId.False:
case TokenId.Null:
case TokenId.LParen:
case TokenId.PlusPlus:
case TokenId.MinusMinus:
case TokenId.Ident:
{
ExpressionStatement node = new ExpressionStatement(ParseExpression());
AssertAndAdvance(TokenId.Semi);
return node;
}
case TokenId.Var:
{
Advance();
ExpressionStatement node = new ExpressionStatement(ParseExpression());
AssertAndAdvance(TokenId.Semi);
return node;
}
default:
{
throw new ParseException("Unknow token, " + _curtok);
}
}
}
private void ParseBlock(BlockStatement block)
{
if (_curtok.TokenId == TokenId.LCurly)
{
Token beginToken = _curtok;
Advance();
while (_curtok != _eof && _curtok.TokenId != TokenId.RCurly)
{
block.Statements.Add(ParseStatement());
}
Token endToken = _curtok;
AssertAndAdvance(TokenId.RCurly);
if (beginToken.StartLocation.LineIndex != endToken.StartLocation.LineIndex && _curtok.TokenId == TokenId.Html)
{
string data = _curtok.Data;
if (data.StartsWith("\r\n"))
{
_curtok.Data = data.Substring(2);
}
}
}
else
{
block.Statements.Add(ParseStatement());
}
}
public IfStatement(Token relatedToken)
: base(relatedToken)
{
_statements = new BlockStatement(relatedToken);
}
public ForeachStatement(Token relatedToken)
: base(relatedToken)
{
_blockStatement = new BlockStatement(relatedToken);
}
public ForeachStatement(Token relatedToken)
: base(relatedToken)
{
_blockStatement = new BlockStatement(relatedToken);
}
