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Published on 2010-04-27T12:24:16Z
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I'm looking for the C grammar in GCC source code, more specifically for the grammar in the yacc/bison form.
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how to download lex and lex.yy.c and yacc in ubuntu9.10 ?
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Does anyone know an online repository for lex/yacc format grammars? I'm looking for a Java grammar to make a quicky sourcecode converter.
Thank you!
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how to download lex and lex.yy.c and yacc in ubuntu9.10 ?
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I have a YACC (Bison) grammar, a Lex (Flex) tokenizer, and a C program among which I need to share a struct (or really any variable). Currently, I declare the actual object in the grammar file and extern it wherever I need it (which is to say, my C source file), usually using a pointer to manipulate…
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I am wondering how to correctly compile a program with a Makefile that has calls to yyparse in it?
This is what I do:
I have a Makefile that compiles all my regular files and they have no connections to y.tab.c or lex.yy.c (Am I supposed to have them?)
I do this on top of my code:
#include "y…
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Hello,
I'm trying to translate a grammar from bison to ANTLR. The grammar itself is pretty simple in bison but I cannot find a simple way for doing this.
Grammar in bison:
expr = expr or expr | expr and expr | (expr)
Any hints/links/pointers are welcome.
Thanks,
Iulian
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Hallo,
I need help in flex/bison. Im a beginner in flex/bison, and i hav already looked out these programs and somethings i inderstood, but im learning.
My problem is, i want to implement a If-statement via Flex/Bison and i dont know how to start how to do, someone any idea, im very thankful for all…
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I am using bison and its difficult to figure out the conflicts by looking at y.output. Is there a tool to make or filter y.output so its more useful? i would love to see the full path to the state with the conflict but anything helpful is what i would like.
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Hi
Here is the grammar rules:
ProcessExpression : EventExpression "->" ProcessExpression
| ProcessName ;
Please can you tell me how can I tell to bison that the first rule has the highest precedence than the second one?
I have tried:
%nonassoc PROC
%right "->"
ProcessExpression…
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How can I define a rule in BISON that will state that I need two or more terminals. I use it like this and I get a shift/reduce conflict:
word: LETTER | word LETTER;
words: word word | words word;
What's wrong here? And how to correct it?
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