[antlr-interest] Dead End

[mzukowski at yci.com]

It sounds like you're not synchronized or something.  What is the exact
error?  Did you study the multiplexer examples?

Monty

> -----Original Message-----
> From: Anakreon Mejdi [mailto:amejdi at ertonline.gr]
> Sent: Wednesday, October 30, 2002 6:30 AM
> To: antlr-interest at yahoogroups.com
> Subject: [antlr-interest] Dead End
> 
> 
> I am facing a difficulty with a parser I am writing and need 
> some help.
> The program should parse ASP which has html tags and code written in 
> JavaScript or VBScript.
> I have written an Html Lexer ,an JavaScript Lexer and a Vbs Lexer.
> The three Lexers a multiplexed via a TokenStreamSelector called 
> AspStreamSelector.
> The selector will add few Tokens and consume others in order to make
> parsing simpler.
> 
> The Dead end is this:
> An asp page I attempt to parse includes an other file which has
> code written in JavaScript.
> The JavaScript Parser fails to parse the file but when the 
> same code is
> fed to the Parser when the JavaScript Parser is working 
> alone(not with 
> the Vb Parser) it parses the code.
> 
>    I checked if the JavaScript parser receives the same 
> tokens when is 
> working alone and when is cooperating with the Vb Parser.
> The only difference was that the tokens (when in asp) had a 
> line number 
> grater by one.
> 
> However the type and text of the Tokens are the same and delivered
> to the Parser in the same sequence.
> 
> For two days now I couldn't find a solution to this problem
> and can not understand what causes it.
> 
> I hope someone can help.
> 
> The mail has as attachment the files of the project.
> 
> Among the files there is build.xml which will compile the project
> if you have ant.
> 
> In the src directory there are Main.java,Main2.java,Main3.java
> Main.java will parse a plain Vb Script
> Example java Main <aVbsFile > out.txt will print in file 
> out.txt the AST
> java Main anything<aVbsFile > out.txt will print in file out.tx the 
> token stream.
> Main3 works in the same way only that takes as input JavaScript Code.
> 
> Main2 parser an ASP page (Vbs,JS,Html mixed)
> java Main2 pathToAnASP directoryWhereTheFileIs > out.txt will 
> print the 
> AST
> java Main2 pathToAnASP directoryWhereTheFileIs anything> out.txt will 
> print the Stream of Token
> 
> In the tests directory I have an asp file which can be used 
> as an example.
> 
> 
> Thanks for any help.
> Anakreon
> 
> 
> 
> 
> 
>  
> 
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