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glsl: remove remaining is_array variables

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Previously the reason we needed is_array was because we used array_size == NULL to
 represent both non-arrays and unsized arrays.  Now that we use a non-NULL
array_specifier to represent an unsized array, is_array is redundant.

Signed-off-by: Timothy Arceri <t_arceri@yahoo.com.au>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
This commit is contained in:
Timothy Arceri 2014-01-23 23:22:01 +11:00
parent 61a5846099
commit b0c64d3cc6
5 changed files with 35 additions and 59 deletions
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32
src/glsl/ast.h
View file

@ -371,14 +371,13 @@ public:
class ast_declaration : public ast_node {
public:
ast_declaration(const char *identifier, bool is_array,
ast_declaration(const char *identifier,
ast_array_specifier *array_specifier,
ast_expression *initializer);
virtual void print(void) const;
const char *identifier;
bool is_array;
ast_array_specifier *array_specifier;
ast_expression *initializer;
@ -588,10 +587,10 @@ public:
* Use only if the objects are allocated from the same context and will not
* be modified. Zeros the inherited ast_node's fields.
*/
ast_type_specifier(const ast_type_specifier *that, bool is_array,
ast_type_specifier(const ast_type_specifier *that,
ast_array_specifier *array_specifier)
: ast_node(), type_name(that->type_name), structure(that->structure),
is_array(is_array), array_specifier(array_specifier),
array_specifier(array_specifier),
default_precision(that->default_precision)
{
/* empty */
@ -599,8 +598,7 @@ public:
/** Construct a type specifier from a type name */
ast_type_specifier(const char *name)
: type_name(name), structure(NULL),
is_array(false), array_specifier(NULL),
: type_name(name), structure(NULL), array_specifier(NULL),
default_precision(ast_precision_none)
{
/* empty */
@ -608,8 +606,7 @@ public:
/** Construct a type specifier from a structure definition */
ast_type_specifier(ast_struct_specifier *s)
: type_name(s->name), structure(s),
is_array(false), array_specifier(NULL),
: type_name(s->name), structure(s), array_specifier(NULL),
default_precision(ast_precision_none)
{
/* empty */
@ -626,7 +623,6 @@ public:
const char *type_name;
ast_struct_specifier *structure;
bool is_array;
ast_array_specifier *array_specifier;
/** For precision statements, this is the given precision; otherwise none. */
@ -680,7 +676,6 @@ public:
ast_parameter_declarator() :
type(NULL),
identifier(NULL),
is_array(false),
array_specifier(NULL),
formal_parameter(false),
is_void(false)
@ -695,7 +690,6 @@ public:
ast_fully_specified_type *type;
const char *identifier;
bool is_array;
ast_array_specifier *array_specifier;
static void parameters_to_hir(exec_list *ast_parameters,
@ -943,13 +937,10 @@ class ast_interface_block : public ast_node {
public:
ast_interface_block(ast_type_qualifier layout,
const char *instance_name,
bool is_array,
ast_array_specifier *array_specifier)
: layout(layout), block_name(NULL), instance_name(instance_name),
is_array(is_array), array_specifier(array_specifier)
array_specifier(array_specifier)
{
if (!is_array)
assert(array_specifier == NULL);
}
virtual ir_rvalue *hir(exec_list *instructions,
@ -969,15 +960,6 @@ public:
/** List of ast_declarator_list * */
exec_list declarations;
/**
* True if the block is declared as an array
*
* \note
* A block can only be an array if it also has an instance name. If this
* field is true, ::instance_name must also not be \c NULL.
*/
bool is_array;
/**
* Declared array size of the block instance
*

11
src/glsl/ast_to_hir.cpp
View file

@ -2874,7 +2874,6 @@ ast_declarator_list::hir(exec_list *instructions,
}
foreach_list_typed (ast_declaration, decl, link, &this->declarations) {
assert(!decl->is_array);
assert(decl->array_specifier == NULL);
assert(decl->initializer == NULL);
@ -4507,7 +4506,7 @@ ast_type_specifier::hir(exec_list *instructions,
return NULL;
}
if (this->is_array) {
if (this->array_specifier != NULL) {
_mesa_glsl_error(&loc, state,
"default precision statements do not apply to "
"arrays");
@ -4924,7 +4923,7 @@ ast_interface_block::hir(exec_list *instructions,
_mesa_shader_stage_to_string(state->stage));
}
if (this->instance_name == NULL ||
strcmp(this->instance_name, "gl_in") != 0 || !this->is_array) {
strcmp(this->instance_name, "gl_in") != 0 || this->array_specifier == NULL) {
_mesa_glsl_error(&loc, state,
"gl_PerVertex input must be redeclared as "
"gl_in[]");
@ -5026,7 +5025,7 @@ ast_interface_block::hir(exec_list *instructions,
* variable (or input block, see interface blocks below) needs to be
* declared as an array.
*/
if (state->stage == MESA_SHADER_GEOMETRY && !this->is_array &&
if (state->stage == MESA_SHADER_GEOMETRY && this->array_specifier == NULL &&
var_mode == ir_var_shader_in) {
_mesa_glsl_error(&loc, state, "geometry shader inputs must be arrays");
}
@ -5060,7 +5059,7 @@ ast_interface_block::hir(exec_list *instructions,
ir_variable *var;
if (this->is_array) {
if (this->array_specifier != NULL) {
/* Section 4.3.7 (Interface Blocks) of the GLSL 1.50 spec says:
*
* For uniform blocks declared an array, each individual array
@ -5121,7 +5120,7 @@ ast_interface_block::hir(exec_list *instructions,
/* In order to have an array size, the block must also be declared with
* an instane name.
*/
assert(!this->is_array);
assert(this->array_specifier == NULL);
for (unsigned i = 0; i < num_variables; i++) {
ir_variable *var =

6
src/glsl/ast_type.cpp
View file

@ -32,10 +32,8 @@ ast_type_specifier::print(void) const
printf("%s ", type_name);
}
if (is_array) {
if (array_specifier) {
array_specifier->print();
}
if (array_specifier) {
array_specifier->print();
}
}

30
src/glsl/glsl_parser.yy
View file

@ -977,7 +977,7 @@ init_declarator_list:
| init_declarator_list ',' any_identifier
{
void *ctx = state;
ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, NULL);
ast_declaration *decl = new(ctx) ast_declaration($3, NULL, NULL);
decl->set_location(yylloc);
$$ = $1;
@ -987,7 +987,7 @@ init_declarator_list:
| init_declarator_list ',' any_identifier array_specifier
{
void *ctx = state;
ast_declaration *decl = new(ctx) ast_declaration($3, true, $4, NULL);
ast_declaration *decl = new(ctx) ast_declaration($3, $4, NULL);
decl->set_location(yylloc);
$$ = $1;
@ -997,7 +997,7 @@ init_declarator_list:
| init_declarator_list ',' any_identifier array_specifier '=' initializer
{
void *ctx = state;
ast_declaration *decl = new(ctx) ast_declaration($3, true, $4, $6);
ast_declaration *decl = new(ctx) ast_declaration($3, $4, $6);
decl->set_location(yylloc);
$$ = $1;
@ -1007,7 +1007,7 @@ init_declarator_list:
| init_declarator_list ',' any_identifier '=' initializer
{
void *ctx = state;
ast_declaration *decl = new(ctx) ast_declaration($3, false, NULL, $5);
ast_declaration *decl = new(ctx) ast_declaration($3, NULL, $5);
decl->set_location(yylloc);
$$ = $1;
@ -1028,7 +1028,7 @@ single_declaration:
| fully_specified_type any_identifier
{
void *ctx = state;
ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL);
ast_declaration *decl = new(ctx) ast_declaration($2, NULL, NULL);
$$ = new(ctx) ast_declarator_list($1);
$$->set_location(yylloc);
@ -1037,7 +1037,7 @@ single_declaration:
| fully_specified_type any_identifier array_specifier
{
void *ctx = state;
ast_declaration *decl = new(ctx) ast_declaration($2, true, $3, NULL);
ast_declaration *decl = new(ctx) ast_declaration($2, $3, NULL);
$$ = new(ctx) ast_declarator_list($1);
$$->set_location(yylloc);
@ -1046,7 +1046,7 @@ single_declaration:
| fully_specified_type any_identifier array_specifier '=' initializer
{
void *ctx = state;
ast_declaration *decl = new(ctx) ast_declaration($2, true, $3, $5);
ast_declaration *decl = new(ctx) ast_declaration($2, $3, $5);
$$ = new(ctx) ast_declarator_list($1);
$$->set_location(yylloc);
@ -1055,7 +1055,7 @@ single_declaration:
| fully_specified_type any_identifier '=' initializer
{
void *ctx = state;
ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4);
ast_declaration *decl = new(ctx) ast_declaration($2, NULL, $4);
$$ = new(ctx) ast_declarator_list($1);
$$->set_location(yylloc);
@ -1064,7 +1064,7 @@ single_declaration:
| INVARIANT variable_identifier // Vertex only.
{
void *ctx = state;
ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, NULL);
ast_declaration *decl = new(ctx) ast_declaration($2, NULL, NULL);
$$ = new(ctx) ast_declarator_list(NULL);
$$->set_location(yylloc);
@ -1771,13 +1771,13 @@ struct_declarator:
any_identifier
{
void *ctx = state;
$$ = new(ctx) ast_declaration($1, false, NULL, NULL);
$$ = new(ctx) ast_declaration($1, NULL, NULL);
$$->set_location(yylloc);
}
| any_identifier array_specifier
{
void *ctx = state;
$$ = new(ctx) ast_declaration($1, true, $2, NULL);
$$ = new(ctx) ast_declaration($1, $2, NULL);
$$->set_location(yylloc);
}
;
@ -1935,7 +1935,7 @@ condition:
| fully_specified_type any_identifier '=' initializer
{
void *ctx = state;
ast_declaration *decl = new(ctx) ast_declaration($2, false, NULL, $4);
ast_declaration *decl = new(ctx) ast_declaration($2, NULL, $4);
ast_declarator_list *declarator = new(ctx) ast_declarator_list($1);
decl->set_location(yylloc);
declarator->set_location(yylloc);
@ -2270,17 +2270,17 @@ instance_name_opt:
/* empty */
{
$$ = new(state) ast_interface_block(*state->default_uniform_qualifier,
NULL, false, NULL);
NULL, NULL);
}
| NEW_IDENTIFIER
{
$$ = new(state) ast_interface_block(*state->default_uniform_qualifier,
$1, false, NULL);
$1, NULL);
}
| NEW_IDENTIFIER array_specifier
{
$$ = new(state) ast_interface_block(*state->default_uniform_qualifier,
$1, true, $2);
$1, $2);
}
;

15
src/glsl/glsl_parser_extras.cpp
View file

@ -790,12 +790,10 @@ ast_node::ast_node(void)
static void
ast_opt_array_dimensions_print(bool is_array, const ast_array_specifier *array_specifier)
ast_opt_array_dimensions_print(const ast_array_specifier *array_specifier)
{
if (is_array) {
if (array_specifier)
array_specifier->print();
}
if (array_specifier)
array_specifier->print();
}
@ -1018,7 +1016,7 @@ ast_parameter_declarator::print(void) const
type->print();
if (identifier)
printf("%s ", identifier);
ast_opt_array_dimensions_print(is_array, array_specifier);
ast_opt_array_dimensions_print(array_specifier);
}
@ -1034,7 +1032,7 @@ void
ast_declaration::print(void) const
{
printf("%s ", identifier);
ast_opt_array_dimensions_print(is_array, array_specifier);
ast_opt_array_dimensions_print(array_specifier);
if (initializer) {
printf("= ");
@ -1043,12 +1041,11 @@ ast_declaration::print(void) const
}
ast_declaration::ast_declaration(const char *identifier, bool is_array,
ast_declaration::ast_declaration(const char *identifier,
ast_array_specifier *array_specifier,
ast_expression *initializer)
{
this->identifier = identifier;
this->is_array = is_array;
this->array_specifier = array_specifier;
this->initializer = initializer;
}