Using these steps I'm trying to generate the parse tree for Antlr4 Python3.g4 grammar file, to parse python3 code, I've generated my python parser usi ...

I'm using ANTLR4 and trying to generate a parse tree for a python file I have. I used the grammar file python3.g4 from the ANTLR4 documentation. I hav ...

Say we have some files "index.js", "main.java", "test.rs", and I want to output a list of functions/classes (along with doc comments) in these files. ...

If a double-quoted string ends with an escaped backslash the lexer rule gets greedy and keeps matching characters as if they are part of the quoted st ...

I'm working on a parser that's getting a complex/large file in C++. Since each rule gets its own class created, for rules that are not dependent on ea ...

Parser does not see equality expression: extraneous input '=' expecting {<EOF>, '~', '(', OPERATOR, IDENTIFIER, NUMBER, STRING} Even error is n ...

May ANTLR generated parsers fail silently? That is, can they omit diagnosing when not recognising? Using a very small grammar for a demonstration and ...

I've seen this question asked multiple times, and also seen people "solve" it... but it either confused me or didn't solve my specific situation: Her ...

I want to match these possible flags: [-ASC|-BIN] [-REC] [-DEL] They are all optional, but with the -ASC and -BIN flags they are xor'd only one of the ...

I want to parse spark SQL to a Java object, including every part in SQL, like table name、select field、 where field, etc. because the SQL is standard s ...

Just started playing around with ANTLR and trying to understand an error message I'm getting when attempting to parse erroneous input. This is my (sim ...

I'm getting this error when I compile my project on Windows under gradle. This is the first three lines of the error: I've done the usual thing and ...

I'm using ANTLR 4.10.1 and C++. I'm using ANTLRInputStream as the input to my lexer antlr4::ANTLRInputStream inputStream(....); Which works fine unt ...

Please help me with the following case. I have a line with multiple texts in it. Based on some rule I need to parse each words in the line. Below is m ...

I got errors and my .babelrc.json is I am copying codes from https://github.com/tunnelvisionlabs/antlr4ts into my repo to try it. but when I run ...

I'm trying to make the grammar for a rather simple language using ANTLR4. It's supposed to process some theater-related text. There are just 3 rules. ...

I am trying to identify figure namber in documents. Strings like "Figure 3. Caption" or "See in Figure 3". Some figure may contain subindex ('1A' or ' ...

Codes: I got errors like any idea why? thanks I tried to change the import syntax, but failed. can someone take a look? thank. is this relate ...

I have the following ANTLR grammar: And such a set of tokens: I expected such input data will be accepted by my grammar: But I get the follow ...

Trying to edit the below grammar and define the semantic actions required to translate arithmetic expressions written in the language defined below in ...