Recent questions tagged antlr4

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antlr4 - How to allow all chars in antlr lexxer inside double quotes to recognize a regex value?

I want to extend my grammar, so that it is allowed to define a regex value inside double quotes, here is an ... all-chars-in-antlr-lexxer-inside-double-quotes-to-recognize-a-regex...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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antlr4 - how to write a custom error reporter in go target of antlr

I am trying to migrate an antlr project from c++ to go. The grammar and code generation is mostly done (based on the ... /how-to-write-a-custom-error-reporter-in-go-target-of-antlr...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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antlr4 - 用于简单命令处理器的Lexer和Parser规则(Lexer and Parser rules for a simple command processor)

I am attempting to build a simple command processor for a legacy language. (我正在尝试为传统语言构建简单的命令处理器 ) I am ... (LETTER) (LETTER|DIGIT|UNDER)* ; ask by Gregg Swanson translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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antlr4 - 用于简单命令处理器的Lexer和Parser规则(Lexer and Parser rules for a simple command processor)

I am attempting to build a simple command processor for a legacy language. (我正在尝试为传统语言构建简单的命令处理器 ) I am ... (LETTER) (LETTER|DIGIT|UNDER)* ; ask by Gregg Swanson translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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758 views

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antlr4 - Antlr Grammar for making boolean operators must if second operand exists

If user inputs A and B, then the parsing happens correctly. But if user inputs A B (without logical operator), then parser doesnot complain ... '+/?_`~-]; WS : [ f]+ -> skip ;...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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antlr4 - ANTLR pattern for second pass errors

Once there is a parse tree, a visitor or listener walk of the parse tree to do the actual translation will encounter errors ... choice and I just don't quite grasp how I do that....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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711 views

1 answer

antlr4 - ANTLR pattern for second pass errors

Once there is a parse tree, a visitor or listener walk of the parse tree to do the actual translation will encounter errors ... choice and I just don't quite grasp how I do that....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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