Need help to translate pseudo language in C

[Fabien Oimdu]

Hello,

I have to translate pseudo-language in C and I have some difficulties.
I'm newbie with flex/bison and I'd like to do something really simple. I 
already have my lex file and my rules. Now I'd like to only concatenate 
translated pseudo instructions on my output file.
I tried to do this but that doesn't work :

I:
       V EQUALS E             { fprintf(yyout, "%s = %s;\n", $1, $3) ; }

I have this message (sorry it's french) :
gal.y:89.64-65: $1 de « I » n'a pas de type déclaré  ($1 of I doesn't have a 
declared type)
gal.y:89.68-69: $3 de « I » n'a pas de type déclaré  ($3 of I doesn't have a 
declared type)

What is the easiest way to do what I want ?


Fabien

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