/* Input parser for Bison
Copyright (C) 1984, 1986, 1989, 1992, 1998, 2000-2003, 2005-2007,
- 2009-2011 Free Software Foundation, Inc.
+ 2009-2012 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
#include "system.h"
#include <quote.h>
-#include <quotearg.h>
#include "complain.h"
#include "conflicts.h"
grammar_start_symbol_set (symbol *sym, location loc)
{
if (start_flag)
- complain_at (loc, _("multiple %s declarations"), "%start");
+ complain (&loc, complaint, _("multiple %s declarations"), "%start");
else
{
start_flag = true;
aver (merge_function != NULL && merger_find == merger);
if (merge_function->type != NULL && !UNIQSTR_EQ (merge_function->type, type))
{
- complain_at (declaration_loc,
- _("result type clash on merge function `%s': <%s> != <%s>"),
- merge_function->name, type, merge_function->type);
- complain_at (merge_function->type_declaration_location,
- _("previous declaration"));
+ unsigned indent = 0;
+ complain_indent (&declaration_loc, complaint, &indent,
+ _("result type clash on merge function %s: "
+ "<%s> != <%s>"),
+ quote (merge_function->name), type,
+ merge_function->type);
+ indent += SUB_INDENT;
+ complain_indent (&merge_function->type_declaration_location, complaint,
+ &indent,
+ _("previous declaration"));
}
merge_function->type = uniqstr_new (type);
merge_function->type_declaration_location = declaration_loc;
if (name->id == sym->tag)
{
- warn_at (name->loc,
- _("duplicated symbol name for %s ignored"),
- quote (sym->tag));
+ complain (&name->loc, Wother,
+ _("duplicated symbol name for %s ignored"),
+ quote (sym->tag));
named_ref_free (name);
}
else
++nvars;
}
else if (lhs->class == token_sym)
- complain_at (loc, _("rule given for %s, which is a token"), lhs->tag);
+ complain (&loc, complaint, _("rule given for %s, which is a token"),
+ lhs->tag);
}
static bool
symbol_should_be_used (symbol_list const *s, bool *midrule_warning)
{
- if (symbol_destructor_get (s->content.sym)->code)
+ if (symbol_code_props_get (s->content.sym, destructor)->code)
return true;
if ((s->midrule && s->midrule->action_props.is_value_used)
|| (s->midrule_parent_rule
const char *rhs_type =
first_rhs->type_name ? first_rhs->type_name : "";
if (!UNIQSTR_EQ (lhs_type, rhs_type))
- warn_at (r->location,
- _("type clash on default action: <%s> != <%s>"),
- lhs_type, rhs_type);
+ complain (&r->location, Wother,
+ _("type clash on default action: <%s> != <%s>"),
+ lhs_type, rhs_type);
}
/* Warn if there is no default for $$ but we need one. */
else
- warn_at (r->location,
- _("empty rule for typed nonterminal, and no action"));
+ complain (&r->location, Wother,
+ _("empty rule for typed nonterminal, and no action"));
}
/* Check that symbol values that should be used are in fact used. */
/* The default action, $$ = $1, `uses' both. */
&& (r->action_props.code || (n != 0 && n != 1)))
{
- void (*warn_at_ptr)(location, char const*, ...) =
- midrule_warning ? midrule_value_at : warn_at;
+ warnings warn_flag = midrule_warning ? Wmidrule_values : Wother;
if (n)
- warn_at_ptr (r->location, _("unused value: $%d"), n);
+ complain (&r->location, warn_flag, _("unused value: $%d"), n);
else
- warn_at_ptr (r->location, _("unset value: $$"));
+ complain (&r->location, warn_flag, _("unset value: $$"));
}
}
}
it for char literals and strings, which are always tokens. */
if (r->ruleprec
&& r->ruleprec->tag[0] != '\'' && r->ruleprec->tag[0] != '"'
- && !r->ruleprec->declared && !r->ruleprec->prec)
- warn_at (r->location, _("token for %%prec is not defined: %s"),
- r->ruleprec->tag);
+ && r->ruleprec->status != declared && !r->ruleprec->prec)
+ complain (&r->location, Wother,
+ _("token for %%prec is not defined: %s"), r->ruleprec->tag);
}
token. */
symbol_class_set (precsym, token_sym, loc, false);
if (current_rule->ruleprec)
- complain_at (loc, _("only one %s allowed per rule"), "%prec");
+ complain (&loc, complaint, _("only one %s allowed per rule"), "%prec");
current_rule->ruleprec = precsym;
}
grammar_current_rule_dprec_set (int dprec, location loc)
{
if (! glr_parser)
- warn_at (loc, _("%s affects only GLR parsers"), "%dprec");
+ complain (&loc, Wother, _("%s affects only GLR parsers"),
+ "%dprec");
if (dprec <= 0)
- complain_at (loc, _("%s must be followed by positive number"), "%dprec");
+ complain (&loc, complaint, _("%s must be followed by positive number"),
+ "%dprec");
else if (current_rule->dprec != 0)
- complain_at (loc, _("only one %s allowed per rule"), "%dprec");
+ complain (&loc, complaint, _("only one %s allowed per rule"), "%dprec");
current_rule->dprec = dprec;
}
grammar_current_rule_merge_set (uniqstr name, location loc)
{
if (! glr_parser)
- warn_at (loc, _("%s affects only GLR parsers"), "%merge");
+ complain (&loc, Wother, _("%s affects only GLR parsers"),
+ "%merge");
if (current_rule->merger != 0)
- complain_at (loc, _("only one %s allowed per rule"), "%merge");
+ complain (&loc, complaint, _("only one %s allowed per rule"), "%merge");
current_rule->merger = get_merge_function (name);
current_rule->merger_declaration_location = loc;
}
p = grammar_symbol_append (sym, loc);
if (name)
assign_named_ref(p, name);
+ if (sym->status == undeclared || sym->status == used)
+ sym->status = needed;
}
/* Attach an ACTION to the current rule. */
/* Don't allow rule_length == INT_MAX, since that might
cause confusion with strtol if INT_MAX == LONG_MAX. */
if (rule_length == INT_MAX)
- fatal_at (rules[ruleno].location, _("rule is too long"));
+ complain (&rules[ruleno].location, fatal, _("rule is too long"));
/* item_number = symbol_number.
But the former needs to contain more: negative rule numbers. */
prepare_percent_define_front_end_variables (void)
{
/* Set %define front-end variable defaults. */
- muscle_percent_define_default ("lr.keep-unreachable-states", "false");
+ muscle_percent_define_default ("lr.keep-unreachable-state", "false");
{
char *lr_type;
/* IELR would be a better default, but LALR is historically the
default. */
muscle_percent_define_default ("lr.type", "lalr");
lr_type = muscle_percent_define_get ("lr.type");
- if (0 != strcmp (lr_type, "canonical-lr"))
- muscle_percent_define_default ("lr.default-reductions", "most");
+ if (STRNEQ (lr_type, "canonical-lr"))
+ muscle_percent_define_default ("lr.default-reduction", "most");
else
- muscle_percent_define_default ("lr.default-reductions", "accepting");
+ muscle_percent_define_default ("lr.default-reduction", "accepting");
free (lr_type);
}
{
static char const * const values[] = {
"lr.type", "lalr", "ielr", "canonical-lr", NULL,
- "lr.default-reductions", "most", "consistent", "accepting", NULL,
+ "lr.default-reduction", "most", "consistent", "accepting", NULL,
NULL
};
muscle_percent_define_check_values (values);
{
/* Grammar has been read. Do some checking. */
if (nrules == 0)
- fatal (_("no rules in the input grammar"));
+ complain (NULL, fatal, _("no rules in the input grammar"));
/* If the user did not define her ENDTOKEN, do it now. */
if (!endtoken)
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