ast_node *cond;
ast_expression *rest;
} for_rest_statement;
+
+ struct {
+ ast_node *then_statement;
+ ast_node *else_statement;
+ } selection_rest_statement;
}
%token ATTRIBUTE CONST_TOK BOOL_TOK FLOAT_TOK INT_TOK UINT_TOK
%type <node> statement
%type <node> statement_list
%type <node> simple_statement
-%type <node> statement_matched
-%type <node> statement_unmatched
%type <n> precision_qualifier
%type <type_qualifier> type_qualifier
%type <type_qualifier> storage_qualifier
%type <type_qualifier> interpolation_qualifier
-%type <type_qualifier> opt_layout_qualifier layout_qualifier
+%type <type_qualifier> layout_qualifier
%type <type_qualifier> layout_qualifier_id_list layout_qualifier_id
%type <type_specifier> type_specifier
%type <type_specifier> type_specifier_no_prec
%type <declarator_list> struct_declaration
%type <declaration> struct_declarator
%type <declaration> struct_declarator_list
-%type <node> selection_statement_matched
-%type <node> selection_statement_unmatched
+%type <node> selection_statement
+%type <selection_rest_statement> selection_rest_statement
%type <node> iteration_statement
%type <node> condition
%type <node> conditionopt
;
version_statement:
- /* blank - no #version specified */
- {
- state->language_version = 110;
- state->symbols->language_version = 110;
- }
+ /* blank - no #version specified: defaults are already set */
| VERSION INTCONSTANT EOL
{
switch ($2) {
+ case 100:
+ state->es_shader = true;
case 110:
case 120:
case 130:
/* FINISHME: Check against implementation support versions. */
state->language_version = $2;
- state->symbols->language_version = $2;
break;
default:
_mesa_glsl_error(& @2, state, "Shading language version"
;
parameter_qualifier:
- /* empty */ { $$.i = 0; }
- | IN_TOK { $$.i = 0; $$.q.in = 1; }
- | OUT_TOK { $$.i = 0; $$.q.out = 1; }
- | INOUT_TOK { $$.i = 0; $$.q.in = 1; $$.q.out = 1; }
+ /* empty */
+ {
+ memset(& $$, 0, sizeof($$));
+ }
+ | IN_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.in = 1;
+ }
+ | OUT_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.out = 1;
+ }
+ | INOUT_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.in = 1; $$.q.out = 1;
+ }
;
parameter_type_specifier:
}
;
-opt_layout_qualifier:
- { $$.i = 0; }
- | layout_qualifier
- ;
-
layout_qualifier:
LAYOUT_TOK '(' layout_qualifier_id_list ')'
{
layout_qualifier_id:
IDENTIFIER
{
- $$.i = 0;
+ bool got_one = false;
- if (state->ARB_fragment_coord_conventions_enable) {
- bool got_one = false;
+ memset(& $$, 0, sizeof($$));
+ if (state->ARB_fragment_coord_conventions_enable) {
if (strcmp($1, "origin_upper_left") == 0) {
got_one = true;
$$.q.origin_upper_left = 1;
got_one = true;
$$.q.pixel_center_integer = 1;
}
-
- if (state->ARB_fragment_coord_conventions_warn && got_one) {
- _mesa_glsl_warning(& @1, state,
- "GL_ARB_fragment_coord_conventions layout "
- "identifier `%s' used\n", $1);
- }
}
/* If the identifier didn't match any known layout identifiers,
* emit an error.
*/
- if ($$.i == 0) {
+ if (!got_one) {
_mesa_glsl_error(& @1, state, "unrecognized layout identifier "
"`%s'\n", $1);
YYERROR;
+ } else if (state->ARB_fragment_coord_conventions_warn) {
+ _mesa_glsl_warning(& @1, state,
+ "GL_ARB_fragment_coord_conventions layout "
+ "identifier `%s' used\n", $1);
}
}
;
interpolation_qualifier:
- SMOOTH { $$.i = 0; $$.q.smooth = 1; }
- | FLAT { $$.i = 0; $$.q.flat = 1; }
- | NOPERSPECTIVE { $$.i = 0; $$.q.noperspective = 1; }
+ SMOOTH
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.smooth = 1;
+ }
+ | FLAT
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.flat = 1;
+ }
+ | NOPERSPECTIVE
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.noperspective = 1;
+ }
;
parameter_type_qualifier:
- CONST_TOK { $$.i = 0; $$.q.constant = 1; }
+ CONST_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.constant = 1;
+ }
;
type_qualifier:
storage_qualifier
- | interpolation_qualifier type_qualifier
+ | layout_qualifier
+ | layout_qualifier storage_qualifier
+ {
+ $$.i = $1.i | $2.i;
+ }
+ | interpolation_qualifier
+ | interpolation_qualifier storage_qualifier
{
$$.i = $1.i | $2.i;
}
- | INVARIANT type_qualifier
+ | INVARIANT storage_qualifier
{
$$ = $2;
$$.q.invariant = 1;
}
+ | INVARIANT interpolation_qualifier storage_qualifier
+ {
+ $$.i = $2.i | $3.i;
+ $$.q.invariant = 1;
+ }
+ | INVARIANT
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.invariant = 1;
+ }
;
storage_qualifier:
- CONST_TOK { $$.i = 0; $$.q.constant = 1; }
- | ATTRIBUTE { $$.i = 0; $$.q.attribute = 1; }
- | opt_layout_qualifier VARYING { $$.i = $1.i; $$.q.varying = 1; }
- | CENTROID VARYING { $$.i = 0; $$.q.centroid = 1; $$.q.varying = 1; }
- | opt_layout_qualifier IN_TOK { $$.i = 0; $$.q.in = 1; }
- | OUT_TOK { $$.i = 0; $$.q.out = 1; }
- | CENTROID IN_TOK { $$.i = 0; $$.q.centroid = 1; $$.q.in = 1; }
- | CENTROID OUT_TOK { $$.i = 0; $$.q.centroid = 1; $$.q.out = 1; }
- | UNIFORM { $$.i = 0; $$.q.uniform = 1; }
+ CONST_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.constant = 1;
+ }
+ | ATTRIBUTE
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.attribute = 1;
+ }
+ | VARYING
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.varying = 1;
+ }
+ | CENTROID VARYING
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.centroid = 1; $$.q.varying = 1;
+ }
+ | IN_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.in = 1;
+ }
+ | OUT_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.out = 1;
+ }
+ | CENTROID IN_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.centroid = 1; $$.q.in = 1;
+ }
+ | CENTROID OUT_TOK
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.centroid = 1; $$.q.out = 1;
+ }
+ | UNIFORM
+ {
+ memset(& $$, 0, sizeof($$));
+ $$.q.uniform = 1;
+ }
;
type_specifier:
;
precision_qualifier:
- HIGHP {
- if (state->language_version < 130)
- _mesa_glsl_error(& @1, state,
- "precision qualifier forbidden "
- "in GLSL %d.%d (1.30 or later "
- "required)\n",
- state->language_version / 100,
- state->language_version % 100);
-
- $$ = ast_precision_high;
- }
- | MEDIUMP {
- if (state->language_version < 130)
- _mesa_glsl_error(& @1, state,
- "precision qualifier forbidden "
- "in GLSL %d.%d (1.30 or later "
- "required)\n",
- state->language_version / 100,
- state->language_version % 100);
-
- $$ = ast_precision_medium;
- }
- | LOWP {
- if (state->language_version < 130)
- _mesa_glsl_error(& @1, state,
- "precision qualifier forbidden "
- "in GLSL %d.%d (1.30 or later "
- "required)\n",
- state->language_version / 100,
- state->language_version % 100);
-
- $$ = ast_precision_low;
- }
+ HIGHP {
+ if (!state->es_shader && state->language_version < 130)
+ _mesa_glsl_error(& @1, state,
+ "precision qualifier forbidden "
+ "in GLSL %d.%d (1.30 or later "
+ "required)\n",
+ state->language_version / 100,
+ state->language_version % 100);
+
+ $$ = ast_precision_high;
+ }
+ | MEDIUMP {
+ if (!state->es_shader && state->language_version < 130)
+ _mesa_glsl_error(& @1, state,
+ "precision qualifier forbidden "
+ "in GLSL %d.%d (1.30 or later "
+ "required)\n",
+ state->language_version / 100,
+ state->language_version % 100);
+
+ $$ = ast_precision_medium;
+ }
+ | LOWP {
+ if (!state->es_shader && state->language_version < 130)
+ _mesa_glsl_error(& @1, state,
+ "precision qualifier forbidden "
+ "in GLSL %d.%d (1.30 or later "
+ "required)\n",
+ state->language_version / 100,
+ state->language_version % 100);
+
+ $$ = ast_precision_low;
+ }
;
struct_specifier:
// Grammar Note: labeled statements for SWITCH only; 'goto' is not
// supported.
statement:
- statement_matched
- | statement_unmatched
- ;
-
-statement_matched:
compound_statement { $$ = (ast_node *) $1; }
| simple_statement
;
-statement_unmatched:
- selection_statement_unmatched
- ;
-
simple_statement:
declaration_statement
| expression_statement
- | selection_statement_matched
+ | selection_statement
| switch_statement { $$ = NULL; }
| case_label { $$ = NULL; }
| iteration_statement
}
;
-selection_statement_matched:
- IF '(' expression ')' statement_matched ELSE statement_matched
+selection_statement:
+ IF '(' expression ')' selection_rest_statement
{
- void *ctx = state;
- $$ = new(ctx) ast_selection_statement($3, $5, $7);
+ $$ = new(state) ast_selection_statement($3, $5.then_statement,
+ $5.else_statement);
$$->set_location(yylloc);
}
;
-selection_statement_unmatched:
- IF '(' expression ')' statement_matched
+selection_rest_statement:
+ statement ELSE statement
{
- void *ctx = state;
- $$ = new(ctx) ast_selection_statement($3, $5, NULL);
- $$->set_location(yylloc);
- }
- | IF '(' expression ')' statement_unmatched
- {
- void *ctx = state;
- $$ = new(ctx) ast_selection_statement($3, $5, NULL);
- $$->set_location(yylloc);
+ $$.then_statement = $1;
+ $$.else_statement = $3;
}
- | IF '(' expression ')' statement_matched ELSE statement_unmatched
+ | statement
{
- void *ctx = state;
- $$ = new(ctx) ast_selection_statement($3, $5, $7);
- $$->set_location(yylloc);
+ $$.then_statement = $1;
+ $$.else_statement = NULL;
}
;
projects / mesa.git / blobdiff