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dtc
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Reformat grammar rules to not mix language syntax and yacc syntax. 

Use consistent indenting on all rule actions.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
main
Jon Loeliger 2007-10-18 09:42:16 -05:00
parent e321e51036
commit 30807ca1ce
1 changed files with 118 additions and 34 deletions
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152
dtc-parser.y
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@ -79,103 +79,187 @@ extern struct boot_info *the_boot_info;

%%

sourcefile: memreserves devicetree {
sourcefile:
memreserves devicetree
{
the_boot_info = build_boot_info($1, $2);
}
;

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

memreserve: label DT_MEMRESERVE DT_ADDR DT_ADDR ';' {
memreserve:
label DT_MEMRESERVE DT_ADDR DT_ADDR ';'
{
$$ = build_reserve_entry($3, $4, $1);
}
| label DT_MEMRESERVE DT_ADDR '-' DT_ADDR ';' {
| label DT_MEMRESERVE DT_ADDR '-' DT_ADDR ';'
{
$$ = build_reserve_entry($3, $5 - $3 + 1, $1);
}
;

devicetree: '/' nodedef {
devicetree:
'/' nodedef
{
$$ = name_node($2, "", NULL);
}
;

nodedef: '{' proplist subnodes '}' ';' {
nodedef:
'{' proplist subnodes '}' ';'
{
$$ = build_node($2, $3);
}
;

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

propdef: label DT_PROPNAME '=' propdata ';' {
propdef:
label DT_PROPNAME '=' propdata ';'
{
$$ = build_property($2, $4, $1);
}
| label DT_PROPNAME ';' {
| label DT_PROPNAME ';'
{
$$ = build_property($2, empty_data, $1);
}
;

propdata: propdataprefix DT_STRING { $$ = data_merge($1, $2); }
| propdataprefix '<' celllist '>' {
$$ = data_merge(data_append_align($1, sizeof(cell_t)), $3);
propdata:
propdataprefix DT_STRING
{
$$ = data_merge($1, $2);
}
| propdataprefix '<' celllist '>'
{
$$ = data_merge(data_append_align($1,
sizeof(cell_t)), $3);
}
| propdataprefix '[' bytestring ']'
{
$$ = data_merge($1, $3);
}
| propdata DT_LABEL
{
$$ = data_add_label($1, $2);
}
| propdataprefix '[' bytestring ']' { $$ = data_merge($1, $3); }
| propdata DT_LABEL { $$ = data_add_label($1, $2); }
;

propdataprefix: propdata ',' { $$ = $1; }
| propdataprefix DT_LABEL { $$ = data_add_label($1, $2); }
| /* empty */ { $$ = empty_data; }
propdataprefix:
propdata ','
{
$$ = $1;
}
| propdataprefix DT_LABEL
{
$$ = data_add_label($1, $2);
}
| /* empty */
{
$$ = empty_data;
}
;

opt_cell_base:
/* empty */
{ $$ = 16; }
{
$$ = 16;
}
| DT_BASE
;

celllist: celllist opt_cell_base DT_CELL {
celllist:
celllist opt_cell_base DT_CELL
{
$$ = data_append_cell($1,
cell_from_string($3, $2));
}
| celllist DT_REF {
| celllist DT_REF
{
$$ = data_append_cell(data_add_fixup($1, $2), -1);
}
| celllist DT_LABEL { $$ = data_add_label($1, $2); }
| /* empty */ { $$ = empty_data; }
| celllist DT_LABEL
{
$$ = data_add_label($1, $2);
}
| /* empty */
{
$$ = empty_data;
}
;

bytestring: bytestring DT_BYTE { $$ = data_append_byte($1, $2); }
| bytestring DT_LABEL { $$ = data_add_label($1, $2); }
| /* empty */ { $$ = empty_data; }
bytestring:
bytestring DT_BYTE
{
$$ = data_append_byte($1, $2);
}
| bytestring DT_LABEL
{
$$ = data_add_label($1, $2);
}
| /* empty */
{
$$ = empty_data;
}
;

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

subnode: label nodename nodedef { $$ = name_node($3, $2, $1); }
subnode:
label nodename nodedef
{
$$ = name_node($3, $2, $1);
}
;

nodename: DT_NODENAME { $$ = $1; }
| DT_PROPNAME { $$ = $1; }
nodename:
DT_NODENAME
{
$$ = $1;
}
| DT_PROPNAME
{
$$ = $1;
}
;

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

%%