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Parse error in poseidon source code.

 
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Kuan Hsu



Joined: 15 Apr 2006
Posts: 143
Location: Taiwan
PostPosted: Sat Jun 10, 2006 11:19 pm    Post subject: Parse error in poseidon source code. Reply with quote
Thank for your wonderful work! Very Happy

I'm trying use CodeAnalyzer into Poseidon project, but when parse Function Literals -- delegate, some error happen.

Code:

int abc(void delegate(long i));

void tests()
{   int b = 3;

    abc( delegate (long c) {}  ); // abc( delegate void(long c) {}  );
}

It complie well, but parse error, but I declare the type "void" manually, they work both well. Sad
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hasan



Joined: 02 May 2005
Posts: 58
PostPosted: Sat Jul 15, 2006 7:01 pm    Post subject: Reply with quote
Sorry for such late reply!

I just looked into it, it's a silly bug.
in FunctionLiteral.parse
when the check for
Code:

else if( ts.next( TOK.Topenparen ) )

succeeds, it should parse the "Parameters" rule, but instead, it parses the "Parameter" rule (the s makes all the difference). Silly typo.

Fixed.
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Kuan Hsu



Joined: 15 Apr 2006
Posts: 143
Location: Taiwan
PostPosted: Mon Jul 17, 2006 9:42 am    Post subject: Reply with quote
Thank for your reply, it's work!!

There are some bugs( maybe.... ) in reversion 19:

1. In statements.d(814), the WithStatement, maybe addChild( new Statement(ts) ) instead of addChild( new StatementBlock(ts) ).
Code:

with( ss ) add(); // compile well, but parse error

with( ss )  // compile and parse both well
{
    add();
}


2. When use NestingComment /+ ~ +/, if lack of +/, infinite loop is happened.
For Poseidon use, I add
Code:

if( ts.reachedEnd() ) throw new Exception( "EOF error." );

in while-loop of class Statements and class AsmInstructionList (statements.d )

Code:

if( sc.reachedEnd() ) break;

in while-loop of TOK scanNestingComment( TextScanner sc ) (whitespace.d)

Then it can throw error message, it seems to work, but I don't know the method is right or not? Embarassed

Thank you! Very Happy
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hasan



Joined: 02 May 2005
Posts: 58
PostPosted: Mon Jul 17, 2006 7:25 pm    Post subject: Reply with quote
Thanks for the report
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