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* src/symtab.h, src/symtab.c (symbol_t): printer and

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printer_location are new members.
(symbol_printer_set): New.
* src/parse-gram.y (PERCENT_PRINTER): New token.
Handle its associated rule.
* src/scan-gram.l: Adjust.
(handle_destructor_at, handle_destructor_dollar): Rename as...
(handle_symbol_code_at, handle_symbol_code_dollar): these.
* src/output.c (symbol_printers_output): New.
(output_skeleton): Call it.
* data/bison.simple (yysymprint): New.  Cannot be named yyprint
since there are already many grammar files with a user `yyprint'.
Replace the calls to YYPRINT to calls to yysymprint.
* tests/calc.at: Adjust.
* tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
taking advantage of parser very internal details (stack size!).
This commit is contained in:
Akim Demaille
2002-06-20 09:08:37 +00:00
parent 1ce5149ac8
commit 366eea36d3
13 changed files with 1104 additions and 1011 deletions
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9
src/symtab.h
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@@ -59,11 +59,12 @@ struct symbol_s
/* The location of its first occurence. */
location_t location;
/* Its %type and associated destructor. */
/* Its %type and associated printer and destructor. */
char *type_name;
char *destructor;
location_t destructor_location;
char *printer;
location_t printer_location;
symbol_number_t number;
short prec;
@@ -116,6 +117,10 @@ void symbol_type_set PARAMS ((symbol_t *symbol, location_t location,
void symbol_destructor_set PARAMS ((symbol_t *symbol, location_t location,
char *destructor));
/* Set the PRINTER associated to SYMBOL. */
void symbol_printer_set PARAMS ((symbol_t *symbol,
char *printer, location_t location));
/* Set the PRECEDENCE associated to SYMBOL. Ensures that SYMBOL is a
terminal. Does nothing if invoked with UNDEF_ASSOC as ASSOC. */
void symbol_precedence_set PARAMS ((symbol_t *symbol, location_t location,