bison
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Linking Non terminals for back patching
idlist: idlist \',\' ID { $$.str=$3.str; $$.ptr=(idtype*)&$1; } ID{ $$.str=$1.str; 开发者_开发知识库$$.ptr=NULL;[详细]
2023-04-11 11:57 分类：问答Bison/YACC - avoid reduce/reduce conflict with two negation rules
The following grammar (where INTEGER is a sequence of digits) gives rise to a reduce/reduce conflict, because e.g. -4 can be reduced by expr -> -expr or expr -> num -> -INTEGER. In开发者_JAVA技巧 my g[详细]
2023-04-10 10:24 分类：问答yacc - field has incomplete type
yacc doesn\'t seem to like when my tokens are of a type that I defined. At the top of my grammar (.y) file in a %{ ... %} block, I include a header file that defines the following structure:[详细]
2023-04-10 02:33 分类：问答Bison/Flex declaration mess... how what should I include/declare where?
I\'m using Bison and Flex to make a reentrant scanner/parser pair but can\'t wrap my head around where everything is to be included and declared.[详细]
2023-04-09 09:00 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error with bison
I have a simple rule in my开发者_如何学Go grammar which looks for sequence of whitespaces: ws: ws|\' \';[详细]
2023-04-05 20:41 分类：问答Values in $1, $2 .. variables always NULL
I am trying to create a parser with Bison (GNU bison 2.4.1) and flex (2.5.35) on my Ubuntu OS. I have something like this:[详细]
2023-04-04 07:36 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Translate simple formal grammar to vim syntax
I want to write bison syntax file for vim. I\'ve managed to write syntax rule for definition section. Now I\'m trying to compose syntax rule for bison rule. So, I have[详细]
2023-04-02 00:35 分类：问答
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