Just started with JavaCC. But I have a strange behaviour with it. I want to verify input int the form of tokens (letters and numbers) wich are concatenated with signs (+, -, /) and wich can contain pa
grammar Test; IDHEAD: (\'a\'..\'z\' | \'A\'..\'Z\' | \'_\'); IDTAIL: (IDHEAD | \'0\'..\'9\'); ID:(IDHEAD IDTAIL*);
I am trying to parse a data file in ANTLR - it has optional whitespace exemplified by 3 6 9712 15 18 The following shows where the line starts and ends are. There is a newline at the end and ther
I am trying to build an ANTLR grammar that parses tagged sentences such as: DT The NP cat VB ate DT a NP rat
If I call: java org.antlr.Tool -o outdir sources/com/example/Jav开发者_运维技巧a5.g ...with antlr-3.1.3 the parser and lexer code will be generated in the directory outdir/sources/com/example. But
I have downloaded ANTLR 1.3 and ANTLRWorks and can generate rules and syntax diagrams OK. When I try to generate code (e.g. by GenerateCode in ANTLRWorks or with java org.antlr.Tool Temp.g I get
numberrange returns [String value] :numberrangesub { String numberRange =开发者_如何学运维 ($numberrangesub.text);
The recommended pattern for ANTLR usage is to have the Parser construct an Abstract Syntax Tree, and then build Tree walkers (AKA tree grammars) to process them.
I\'m planning to write a C# 3.0 compiler in C#. Where can I get th开发者_开发问答e grammar for parser generation?
In ANTLR version 2.X you could specify something was to go before or after the ANTLR includes via the code below.
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