Le 28 janv. 2013 à 18:14, "John P. Hartmann" <[email protected]> a écrit :
> Thank you for the clarification. I see.
>
> I guess I am handicapped by having converted the parser code to /360
> assembler language.
You are one of a kind :)
> Others might have studied the skeleton code. Maybe a comment to the
> effect that one should forget having seen this assignment?
Well, currently C++ reads:
/* If YYLEN is nonzero, implement the default value of the action:
`$$ = $1'. Otherwise, use the top of the stack.
Otherwise, the following line sets YYLHS.VALUE to garbage.
This behavior is undocumented and Bison
users should not rely upon it. */
and c reads:
/* If YYLEN is nonzero, implement the default value of the action:
`$$ = $1'.
Otherwise, the following line sets YYVAL to garbage.
This behavior is undocumented and Bison
users should not rely upon it. Assigning to YYVAL
unconditionally makes the parser a bit smaller, and it avoids a
GCC warning that YYVAL may be used uninitialized. */
but I guess it doesn't show in /360 assembler :)
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