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DTC: Minor grammar rule shuffle. 

I like to see the basis cases established early in
the rule sets, so place  "empty" reduction first.
Purely cosmetic.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
main
Jon Loeliger 2007-10-23 09:28:54 -05:00
parent 30807ca1ce
commit 5641289a46
1 changed files with 35 additions and 35 deletions
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70
dtc-parser.y
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@ -87,14 +87,14 @@ sourcefile:
;

memreserves:
memreserve memreserves
{
$$ = chain_reserve_entry($1, $2);
}
| /* empty */
/* empty */
{
$$ = NULL;
}
| memreserve memreserves
{
$$ = chain_reserve_entry($1, $2);
}
;

memreserve:
@ -123,14 +123,14 @@ nodedef:
;

proplist:
propdef proplist
{
$$ = chain_property($1, $2);
}
| /* empty */
/* empty */
{
$$ = NULL;
}
| propdef proplist
{
$$ = chain_property($1, $2);
}
;

propdef:
@ -165,7 +165,11 @@ propdata:
;

propdataprefix:
propdata ','
/* empty */
{
$$ = empty_data;
}
| propdata ','
{
$$ = $1;
}
@ -173,10 +177,6 @@ propdataprefix:
{
$$ = data_add_label($1, $2);
}
| /* empty */
{
$$ = empty_data;
}
;

opt_cell_base:
@ -188,7 +188,11 @@ opt_cell_base:
;

celllist:
celllist opt_cell_base DT_CELL
/* empty */
{
$$ = empty_data;
}
| celllist opt_cell_base DT_CELL
{
$$ = data_append_cell($1,
cell_from_string($3, $2));
@ -201,14 +205,14 @@ celllist:
{
$$ = data_add_label($1, $2);
}
| /* empty */
{
$$ = empty_data;
}
;

bytestring:
bytestring DT_BYTE
/* empty */
{
$$ = empty_data;
}
| bytestring DT_BYTE
{
$$ = data_append_byte($1, $2);
}
@ -216,21 +220,17 @@ bytestring:
{
$$ = data_add_label($1, $2);
}
| /* empty */
{
$$ = empty_data;
}
;

subnodes:
subnode subnodes
{
$$ = chain_node($1, $2);
}
| /* empty */
/* empty */
{
$$ = NULL;
}
| subnode subnodes
{
$$ = chain_node($1, $2);
}
;

subnode:
@ -252,14 +252,14 @@ nodename:
;

label:
DT_LABEL
{
$$ = $1;
}
| /* empty */
/* empty */
{
$$ = NULL;
}
| DT_LABEL
{
$$ = $1;
}
;

%%