lex

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Unable to compile output of lex

When I attempt to compile the output of this trivial lex program: # lex.l integerprintf(\"found keyword INT\");[详细]

2022-12-26 14:37 分类：问答
Library to parse ERB files

I am attempting to parse, not evaluate, rails ERB files in a Hpricot/Nokogiri type manner开发者_如何学Go.The files I am attempting to parse contain HTML fragments intermixed with dynamic content gener[详细]

2022-12-25 16:50 分类：问答
椒油炝蚕豆的做法？

主料：蚕豆、辅料：红辣椒、大葱、调料：香油、10克盐、胡椒粉、2-3克花椒油。蚕豆如何焯水：1。剥去蚕豆荚壳，再剥去内皮。[详细]

2022-12-25 13:30 分类：问答
distinguishing a string with flex

I need to tokenize some strings w开发者_C百科hich will be splitted of according to operators like = and !=. I was successful using regex until the string has != operator. In my case, string was sepera[详细]

2022-12-25 12:18 分类：问答
Big problem with regular expression in Lex (lexical analyzer)

I have some content like this: author = \"Marjan Mernikand Viljem Zumer\", title = \"Implementation of multiple attribute grammar inheritance in the tool LISA\",[详细]

2022-12-25 00:38 分类：问答
Yacc and Lex inclusion confusion

I am wondering how to correctly compile a program with a Makefile that has calls to yyparse in it? This is what I do:[详细]

2022-12-24 03:26 分类：问答
How do I generate different yyparse functions from lex/yacc for use in the same program?

I want to generate two separate parsing functions from lex/yacc. Normally yacc gives you a function yyparse() that you can call when you need to do some parsing, but I need to have several different y[详细]

2022-12-24 01:45 分类：问答
Lex: How do I Prevent it from matching against substrings?

For example, I\'m supposed to convert \"int\" to \"INT\". But if there\'s the word \"integer\", I don\'t think it\'s supposed to turn into \"INTeger\".[详细]

2022-12-22 01:48 分类：问答
How can I implement #include constructs with Flex and YACC?

During parsing, if I encounter a include token I want to inst开发者_开发技巧ruct YACC to open the file specified as input and to begin parsing this. Once this parsing is finished, I want to instruct Y[详细]

2022-12-20 11:01 分类：问答
Problems with data types in flex

I have a problem. I\'m writing a program with flex and I\'m using this code: %union { int entero; char *cadena;[详细]

2022-12-20 07:12 分类：问答