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Rename all type UnwrapXXX() methods

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Give them sensible names.
Make them act consistently.
Remove those that were not used.

Change-Id: Ib043a4093cfae9f81630643e1a0e4eae7bca2440
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/50305
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: James Price <jrprice@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
This commit is contained in:
Ben Clayton
2021-05-10 18:06:31 +00:00
committed by Commit Bot service account
parent fcda15ef67
commit f14e0e1c8c
17 changed files with 103 additions and 233 deletions
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4
src/sem/expression.cc
View File

@@ -22,9 +22,7 @@ namespace sem {
Expression::Expression(ast::Expression* declaration,
const sem::Type* type,
Statement* statement)
: declaration_(declaration),
type_(type->UnwrapIfNeeded()),
statement_(statement) {
: declaration_(declaration), type_(type), statement_(statement) {
TINT_ASSERT(type_);
}

8
src/sem/function.cc
View File

@@ -138,7 +138,7 @@ Function::VariableBindings Function::ReferencedStorageTextureVariables() const {
VariableBindings ret;
for (auto* var : ReferencedModuleVariables()) {
auto* unwrapped_type = var->Type()->UnwrapIfNeeded();
auto* unwrapped_type = var->Type()->UnwrapAccess();
auto* storage_texture = unwrapped_type->As<sem::StorageTexture>();
if (storage_texture == nullptr) {
continue;
@@ -155,7 +155,7 @@ Function::VariableBindings Function::ReferencedDepthTextureVariables() const {
VariableBindings ret;
for (auto* var : ReferencedModuleVariables()) {
auto* unwrapped_type = var->Type()->UnwrapIfNeeded();
auto* unwrapped_type = var->Type()->UnwrapAccess();
auto* storage_texture = unwrapped_type->As<sem::DepthTexture>();
if (storage_texture == nullptr) {
continue;
@@ -182,7 +182,7 @@ Function::VariableBindings Function::ReferencedSamplerVariablesImpl(
VariableBindings ret;
for (auto* var : ReferencedModuleVariables()) {
auto* unwrapped_type = var->Type()->UnwrapIfNeeded();
auto* unwrapped_type = var->Type()->UnwrapAccess();
auto* sampler = unwrapped_type->As<sem::Sampler>();
if (sampler == nullptr || sampler->kind() != kind) {
continue;
@@ -200,7 +200,7 @@ Function::VariableBindings Function::ReferencedSampledTextureVariablesImpl(
VariableBindings ret;
for (auto* var : ReferencedModuleVariables()) {
auto* unwrapped_type = var->Type()->UnwrapIfNeeded();
auto* unwrapped_type = var->Type()->UnwrapAccess();
auto* texture = unwrapped_type->As<sem::Texture>();
if (texture == nullptr) {
continue;

13
src/sem/type.cc
View File

@@ -36,7 +36,7 @@ Type::Type(Type&&) = default;
Type::~Type() = default;
const Type* Type::UnwrapPtrIfNeeded() const {
const Type* Type::UnwrapPtr() const {
auto* type = this;
while (auto* ptr = type->As<sem::Pointer>()) {
type = ptr->type();
@@ -44,7 +44,7 @@ const Type* Type::UnwrapPtrIfNeeded() const {
return type;
}
const Type* Type::UnwrapIfNeeded() const {
const Type* Type::UnwrapAccess() const {
auto* type = this;
while (auto* access = type->As<sem::AccessControl>()) {
type = access->type();
@@ -57,14 +57,13 @@ const Type* Type::UnwrapAll() const {
while (true) {
if (auto* ptr = type->As<sem::Pointer>()) {
type = ptr->type();
continue;
}
if (auto* access = type->As<sem::AccessControl>()) {
} else if (auto* access = type->As<sem::AccessControl>()) {
type = access->type();
continue;
} else {
break;
}
return type;
}
return type;
}
bool Type::is_scalar() const {

17
src/sem/type.h
View File

@@ -45,19 +45,16 @@ class Type : public Castable<Type, Node> {
/// declared in WGSL.
virtual std::string FriendlyName(const SymbolTable& symbols) const = 0;
/// @returns the pointee type if this is a pointer, `this` otherwise
const Type* UnwrapPtrIfNeeded() const;
/// @returns the inner most pointee type if this is a pointer, `this`
/// otherwise
const Type* UnwrapPtr() const;
/// Removes all levels of access control.
/// This is just enough to assist with WGSL translation
/// in that you want see through one level of pointer to get from an
/// identifier-like expression as an l-value to its corresponding r-value,
/// plus see through the wrappers on either side.
/// @returns the completely unaliased type.
const Type* UnwrapIfNeeded() const;
/// @returns the inner most type if this is an access control, `this`
/// otherwise
const Type* UnwrapAccess() const;
/// Returns the type found after removing all layers of access control and
/// pointer.
/// pointer
/// @returns the unwrapped type
const Type* UnwrapAll() const;