lex

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How to write flex and bison file parsing this language?

Let\'s define a language: VAR := [0-9A-Za-z_]+ Exp := VAR VAR,\'=\',VAR \'(\', Exp, \')\' Exp, \'&\', Exp[详细]

2023-04-12 04:09 分类：问答
running a lex program in linux mint

I am trying to run a lex program in linux mint.I saved that file as abc.l,now i am trying to compile this file in the termin开发者_开发百科al by typing the following commands:[详细]

2023-04-10 20:28 分类：问答
building c++ config file parser using lex and yacc

I am trying to build config file parser (c++ application)from scratch using tools like lex and yacc. The parser will be able to parse files like[详细]

2023-04-10 02:44 分类：问答
How to scan tokens only within context using Flex?

I want to create a parser of template engine using Flex & Bison. The thing is that I would like to parse only expressions within {{..}} and ${..}.[详细]

2023-04-08 08:55 分类：问答
solaris lex error

Am deploying a lex/yacc solution trying this grammar. The problem comes when i want to compile .lex file using this command: lex -t \"file.lex\"[详细]

2023-04-07 16:52 分类：问答
How does one use REJECT in flex?

Let\'s be clear I\'m talking about the lexical analysis tool. For the following input: aa bb cc dd I need the parser to match the following sub strings:[详细]

2023-04-05 20:15 分类：问答
ply lexmatch regular expression has different groups than a usual re

I am using ply and have noticed a strange discrepancy between the token re match stored in t.lex.lexmatch, as compared with an sre_pattern defined in the usual way with the re module.The group(x)\'s s[详细]

2023-04-05 17:07 分类：问答
warning Bison compilation

am developping a compiler using flex/bison. I have this warning in my build output. warning:type c开发者_开发问答lash (\'s\' \'\') on default action[详细]

2023-04-03 06:29 分类：问答
Have problem with lex

My lex as follows: LNUM[0-9]+ DNUM([0-9]*\".\"[0-9]+)|([0-9]+\".\"[0-9]*) %% {LNUM} { printf(\"\\t\");ECHO;printf(\"\\r\\n\");[详细]

2023-03-26 16:16 分类：问答
Syntax highlighting for lex in gedit

I know i just need a file like /usr/share/gtksourceview-2.0/language-specs/javascript.lang. Where can i find a language definition like th开发者_Python百科is for lex ?You can find extra language defin[详细]

2023-03-26 15:48 分类：问答