[Mesa-dev] [PATCH V2 2/8] glsl: Add arrays_of_arrays to yacc definition
Timothy Arceri
t_arceri at yahoo.com.au
Tue Jan 21 04:19:46 PST 2014
Signed-off-by: Timothy Arceri <t_arceri at yahoo.com.au>
---
src/glsl/glsl_parser.yy | 153 +++++++++++++++++++++---------------------------
1 file changed, 66 insertions(+), 87 deletions(-)
diff --git a/src/glsl/glsl_parser.yy b/src/glsl/glsl_parser.yy
index 1c56d6f..6d63668 100644
--- a/src/glsl/glsl_parser.yy
+++ b/src/glsl/glsl_parser.yy
@@ -97,6 +97,7 @@ static bool match_layout_qualifier(const char *s1, const char *s2,
ast_node *node;
ast_type_specifier *type_specifier;
+ ast_array_specifier *array_specifier;
ast_fully_specified_type *fully_specified_type;
ast_function *function;
ast_parameter_declarator *parameter_declarator;
@@ -202,6 +203,7 @@ static bool match_layout_qualifier(const char *s1, const char *s2,
%type <type_qualifier> interface_qualifier
%type <type_specifier> type_specifier
%type <type_specifier> type_specifier_nonarray
+%type <array_specifier> array_specifier
%type <identifier> basic_type_specifier_nonarray
%type <fully_specified_type> fully_specified_type
%type <function> function_prototype
@@ -880,7 +882,7 @@ parameter_declarator:
$$->type->specifier = $1;
$$->identifier = $2;
}
- | type_specifier any_identifier '[' constant_expression ']'
+ | type_specifier any_identifier array_specifier
{
void *ctx = state;
$$ = new(ctx) ast_parameter_declarator();
@@ -890,7 +892,7 @@ parameter_declarator:
$$->type->specifier = $1;
$$->identifier = $2;
$$->is_array = true;
- $$->array_size = $4;
+ $$->array_specifier = $3;
}
;
@@ -983,53 +985,28 @@ init_declarator_list:
$$->declarations.push_tail(&decl->link);
state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
}
- | init_declarator_list ',' any_identifier '[' ']'
+ | init_declarator_list ',' any_identifier array_specifier
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, NULL);
+ ast_declaration *decl = new(ctx) ast_declaration($3, true, $4, NULL);
decl->set_location(yylloc);
$$ = $1;
$$->declarations.push_tail(&decl->link);
state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
}
- | init_declarator_list ',' any_identifier '[' constant_expression ']'
+ | init_declarator_list ',' any_identifier array_specifier '=' initializer
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, NULL);
+ ast_declaration *decl = new(ctx) ast_declaration($3, true, $4, $6);
decl->set_location(yylloc);
$$ = $1;
$$->declarations.push_tail(&decl->link);
state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- }
- | init_declarator_list ',' any_identifier '[' ']' '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, NULL, $7);
- decl->set_location(yylloc);
-
- $$ = $1;
- $$->declarations.push_tail(&decl->link);
- state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- if ($7->oper == ast_aggregate) {
- ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$7;
- ast_type_specifier *type = new(ctx) ast_type_specifier($1->type->specifier, true, NULL);
- _mesa_ast_set_aggregate_type(type, ai, state);
- }
- }
- | init_declarator_list ',' any_identifier '[' constant_expression ']' '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($3, true, $5, $8);
- decl->set_location(yylloc);
-
- $$ = $1;
- $$->declarations.push_tail(&decl->link);
- state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
- if ($8->oper == ast_aggregate) {
- ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$8;
- ast_type_specifier *type = new(ctx) ast_type_specifier($1->type->specifier, true, $5);
+ if ($6->oper == ast_aggregate) {
+ ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$6;
+ ast_type_specifier *type = new(ctx) ast_type_specifier($1->type->specifier, true, $4);
_mesa_ast_set_aggregate_type(type, ai, state);
}
}
@@ -1067,49 +1044,26 @@ single_declaration:
$$->set_location(yylloc);
$$->declarations.push_tail(&decl->link);
}
- | fully_specified_type any_identifier '[' ']'
+ | fully_specified_type any_identifier array_specifier
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, NULL);
+ ast_declaration *decl = new(ctx) ast_declaration($2, true, $3, NULL);
$$ = new(ctx) ast_declarator_list($1);
$$->set_location(yylloc);
$$->declarations.push_tail(&decl->link);
}
- | fully_specified_type any_identifier '[' constant_expression ']'
+ | fully_specified_type any_identifier array_specifier '=' initializer
{
void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, NULL);
+ ast_declaration *decl = new(ctx) ast_declaration($2, true, $3, $5);
$$ = new(ctx) ast_declarator_list($1);
$$->set_location(yylloc);
$$->declarations.push_tail(&decl->link);
- }
- | fully_specified_type any_identifier '[' ']' '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, NULL, $6);
-
- $$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
- $$->declarations.push_tail(&decl->link);
- if ($6->oper == ast_aggregate) {
- ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$6;
- ast_type_specifier *type = new(ctx) ast_type_specifier($1->specifier, true, NULL);
- _mesa_ast_set_aggregate_type(type, ai, state);
- }
- }
- | fully_specified_type any_identifier '[' constant_expression ']' '=' initializer
- {
- void *ctx = state;
- ast_declaration *decl = new(ctx) ast_declaration($2, true, $4, $7);
-
- $$ = new(ctx) ast_declarator_list($1);
- $$->set_location(yylloc);
- $$->declarations.push_tail(&decl->link);
- if ($7->oper == ast_aggregate) {
- ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$7;
- ast_type_specifier *type = new(ctx) ast_type_specifier($1->specifier, true, $4);
+ if ($5->oper == ast_aggregate) {
+ ast_aggregate_initializer *ai = (ast_aggregate_initializer *)$5;
+ ast_type_specifier *type = new(ctx) ast_type_specifier($1->specifier, true, $3);
_mesa_ast_set_aggregate_type(type, ai, state);
}
}
@@ -1611,19 +1565,55 @@ storage_qualifier:
}
;
-type_specifier:
- type_specifier_nonarray
- | type_specifier_nonarray '[' ']'
+array_specifier:
+ '[' ']'
{
- $$ = $1;
- $$->is_array = true;
- $$->array_size = NULL;
+ void *ctx = state;
+ $$ = new(ctx) ast_array_specifier();
+ $$->is_unsized_array = true;
+ $$->set_location(yylloc);
+ }
+ | '[' constant_expression ']'
+ {
+ void *ctx = state;
+ $$ = new(ctx) ast_array_specifier();
+ $$->array_dimensions.push_tail(& $2->link);
+ $$->is_unsized_array = false;
+ $$->set_location(yylloc);
+ }
+ | array_specifier '[' ']'
+ {
+ if (!state->ARB_arrays_of_arrays_enable) {
+ _mesa_glsl_error(& @1, state,
+ "#version 120 / GL_ARB_arrays_of_arrays "
+ "required for defining arrays of arrays");
+ } else {
+ _mesa_glsl_error(& @1, state,
+ "only the outermost array dimension can "
+ "be unsized");
+ }
}
- | type_specifier_nonarray '[' constant_expression ']'
+ | array_specifier '[' constant_expression ']'
+ {
+ if (!state->ARB_arrays_of_arrays_enable) {
+ _mesa_glsl_error(& @1, state,
+ "#version 120 / GL_ARB_arrays_of_arrays "
+ "required for defining arrays of arrays");
+ }
+
+ $$->array_dimensions.push_tail(& $3->link);
+ $$->dimension_count++;
+ $$->set_location(yylloc);
+ }
+ ;
+
+type_specifier:
+ type_specifier_nonarray
+ | type_specifier_nonarray array_specifier
{
$$ = $1;
$$->is_array = true;
- $$->array_size = $3;
+ $$->array_specifier = $2;
}
;
@@ -1806,16 +1796,10 @@ struct_declarator:
$$ = new(ctx) ast_declaration($1, false, NULL, NULL);
$$->set_location(yylloc);
}
- | any_identifier '[' ']'
+ | any_identifier array_specifier
{
void *ctx = state;
- $$ = new(ctx) ast_declaration($1, true, NULL, NULL);
- $$->set_location(yylloc);
- }
- | any_identifier '[' constant_expression ']'
- {
- void *ctx = state;
- $$ = new(ctx) ast_declaration($1, true, $3, NULL);
+ $$ = new(ctx) ast_declaration($1, true, $2, NULL);
$$->set_location(yylloc);
}
;
@@ -2315,15 +2299,10 @@ instance_name_opt:
$$ = new(state) ast_interface_block(*state->default_uniform_qualifier,
$1, false, NULL);
}
- | NEW_IDENTIFIER '[' constant_expression ']'
- {
- $$ = new(state) ast_interface_block(*state->default_uniform_qualifier,
- $1, true, $3);
- }
- | NEW_IDENTIFIER '[' ']'
+ | NEW_IDENTIFIER array_specifier
{
$$ = new(state) ast_interface_block(*state->default_uniform_qualifier,
- $1, true, NULL);
+ $1, true, $2);
}
;
--
1.8.3.1
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