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* data/lalr1.cc: Adjust the indentation of the labels.

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Use it.
This commit is contained in:
Akim Demaille
2004-09-06 14:32:05 +00:00
parent a0e68930d8
commit 52d5733ff0
2 changed files with 25 additions and 16 deletions
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6
ChangeLog
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@@ -1,3 +1,9 @@
2004-09-06 Akim Demaille <akim@epita.fr>
* data/lalr1.cc: Adjust the indentation of the labels.
(Parser::pop): New.
Use it.
2004-09-06 Akim Demaille <akim@epita.fr>
* data/yacc.cc, data/glr.cc (yydestruct): Accept an additional

35
data/lalr1.cc
View File

@@ -284,6 +284,9 @@ namespace yy
int yytype,
SemanticType *yyvaluep, LocationType *yylocationp);
/// Pop \a n symbols the three stacks.
inline void pop (unsigned int n = 1);
/* Constants. */
static const int eof_;
/* LAST_ -- Last index in TABLE_. */
@@ -428,6 +431,14 @@ yy::]b4_parser_class_name[::destruct_ (const char *yymsg,
}
}
void
yy::]b4_parser_class_name[::pop (unsigned int n)
{
state_stack_.pop (n);
semantic_stack_.pop (n);
location_stack_.pop (n);
}
int
yy::]b4_parser_class_name[::parse ()
{
@@ -451,13 +462,13 @@ yy::]b4_parser_class_name[::parse ()
YYCDEBUG << "Starting parse" << std::endl;
/* New state. */
yynewstate:
yynewstate:
state_stack_.push (state_);
YYCDEBUG << "Entering state " << state_ << std::endl;
goto yybackup;
/* Backup. */
yybackup:
yybackup:
/* Try to take a decision without look-ahead. */
n_ = pact_[state_];
@@ -532,7 +543,7 @@ yy::]b4_parser_class_name[::parse ()
/*-----------------------------------------------------------.
| yydefault -- do the default action for the current state. |
`-----------------------------------------------------------*/
yydefault:
yydefault:
n_ = defact_[state_];
if (n_ == 0)
goto yyerrlab;
@@ -541,7 +552,7 @@ yy::]b4_parser_class_name[::parse ()
/*-----------------------------.
| yyreduce -- Do a reduction. |
`-----------------------------*/
yyreduce:
yyreduce:
len_ = r2_[n_];
/* If LEN_ is nonzero, implement the default value of the action:
`$$ = $1'. Otherwise, use the top of the stack.
@@ -574,9 +585,7 @@ yy::]b4_parser_class_name[::parse ()
]/* Line __line__ of lalr1.cc. */
b4_syncline([@oline@], [@ofile@])[
state_stack_.pop (len_);
semantic_stack_.pop (len_);
location_stack_.pop (len_);
pop (len_);
YY_STACK_PRINT ();
@@ -614,9 +623,7 @@ yyerrlab:
for (;;)
{
error_start_ = location_stack_[0].begin;
state_stack_.pop ();
semantic_stack_.pop ();
location_stack_.pop ();
pop ();
if (state_stack_.height () == 1)
YYABORT;
destruct_ ("Error: popping",
@@ -649,10 +656,8 @@ yyerrorlab:
goto yyerrorlab;
#endif
state_stack_.pop (len_);
semantic_stack_.pop (len_);
error_start_ = location_stack_[len_ - 1].begin;
location_stack_.pop (len_);
pop (len_);
state_ = state_stack_[0];
goto yyerrlab1;
@@ -684,9 +689,7 @@ yyerrlab1:
stos_[state_], &semantic_stack_[0], &location_stack_[0]);
error_start_ = location_stack_[0].begin;
state_stack_.pop ();
semantic_stack_.pop ();
location_stack_.pop ();
pop ();
state_ = state_stack_[0];
YY_STACK_PRINT ();
}