I\'m tryi开发者_开发知识库ng to write my first parser with Flex & Bison. When parsing numbers, I\'m trying to save their values into the yylval structure. The problem is, yylval is null when the l
I\'m having trouble figuring out how to \"merge\" two of my projects. -- I\'ve got a project consisting of a bison/flex parser with its sources and its own makefile.
did anybody worked on flex and bison?? i have an example of them.i run it but it shows without bison, for example: in flex in .l file i defined id and put printf{\"id\"} for it.
I would like to be able to parse a non-empty, one-or-many element, comma-delimited (and optionally parenthesized) list using flex/bison parse ru开发者_运维技巧les.
I\'m using flex lexer as a lexer 开发者_如何学JAVAfor my compiler project and I have this function to change the lexer input stream as follows:
Heres an example rule for oct values. Instead of using YYTEXT i\'d like to get the value, letter and the # at end (8,...64). How might i get them? I guessed printf(\"%s\", $1) to see if i\'d get the v
I am looking for a lightweight and simple SQL-99 p开发者_运维技巧arser in Bison + Flex (parser + lexer).
I want my language to have two features that make Python such a nicely formatted language: One statement per line
Some context: My program uses libary libfl.a (flex library). I compile it under linux: gcc lex.yy.c -lfl
开发者_开发百科It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form.
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