encounter
/
dawn-cmake
mirror of https://github.com/encounter/dawn-cmake.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

tint: Improve the output of DependencyGraph 

Add ResolvedIdentifier to hold the resolved AST node, sem::BuiltinType
or type::Builtin.

Reduces duplicate builtin symbol lookups in Resolver.

Bug: tint:1810
Change-Id: Idde2b5f6fa22804b5019adc14c717bebd8342475
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/119041
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
This commit is contained in:
Ben Clayton 2023-02-08 15:18:43 +00:00 committed by Dawn LUCI CQ
parent 9e36723497
commit cf0e9301b2
12 changed files with 704 additions and 294 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/tint/program_builder.h
View File

@ -879,8 +879,7 @@ class ProgramBuilder {
/// @returns the type name
template <typename NAME, typename... ARGS, typename _ = DisableIfSource<NAME>>
const ast::TypeName* operator()(NAME&& name, ARGS&&... args) const {
return builder->create<ast::TypeName>(
builder->Ident(std::forward<NAME>(name), std::forward<ARGS>(args)...));
return (*this)(builder->source_, std::forward<NAME>(name), std::forward<ARGS>(args)...);
}
/// Creates a type name
@ -891,7 +890,8 @@ class ProgramBuilder {
template <typename NAME, typename... ARGS>
const ast::TypeName* operator()(const Source& source, NAME&& name, ARGS&&... args) const {
return builder->create<ast::TypeName>(
source, builder->Ident(std::forward<NAME>(name), std::forward<ARGS>(args)...));
source,
builder->Ident(source, std::forward<NAME>(name), std::forward<ARGS>(args)...));
}
/// Creates an alias type

4
src/tint/resolver/builtin_validation_test.cc
View File

@ -210,7 +210,7 @@ TEST_F(ResolverBuiltinValidationTest, BuiltinRedeclaredAsAliasUsedAsVariable) {
WrapInFunction(Decl(Var("v", Expr(Source{{56, 78}}, "mix"))));
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(), R"(56:78 error: missing '(' for builtin call)");
EXPECT_EQ(r()->error(), R"(56:78 error: missing '(' for type initializer or cast)");
}
TEST_F(ResolverBuiltinValidationTest, BuiltinRedeclaredAsAliasUsedAsType) {
@ -242,7 +242,7 @@ TEST_F(ResolverBuiltinValidationTest, BuiltinRedeclaredAsStructUsedAsVariable) {
WrapInFunction(Decl(Var("v", Expr(Source{{12, 34}}, "mix"))));
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(), R"(12:34 error: missing '(' for builtin call)");
EXPECT_EQ(r()->error(), R"(12:34 error: missing '(' for type initializer or cast)");
}
TEST_F(ResolverBuiltinValidationTest, BuiltinRedeclaredAsStructUsedAsType) {

55
src/tint/resolver/dependency_graph.cc
View File

@ -354,7 +354,8 @@ class DependencyScanner {
Switch(
expr,
[&](const ast::IdentifierExpression* ident) {
AddDependency(ident, ident->identifier->symbol, "identifier", "references");
AddDependency(ident->identifier, ident->identifier->symbol, "identifier",
"references");
},
[&](const ast::CallExpression* call) {
if (call->target.name) {
@ -392,7 +393,7 @@ class DependencyScanner {
TraverseType(ptr->type);
},
[&](const ast::TypeName* tn) { //
AddDependency(tn, tn->name->symbol, "type", "references");
AddDependency(tn->name, tn->name->symbol, "type", "references");
},
[&](const ast::Vector* vec) { //
TraverseType(vec->type);
@ -468,15 +469,25 @@ class DependencyScanner {
UnhandledNode(diagnostics_, attr);
}
/// Adds the dependency from `from` to `to`, erroring if `to` cannot be
/// resolved.
void AddDependency(const ast::Node* from, Symbol to, const char* use, const char* action) {
/// Adds the dependency from @p from to @p to, erroring if @p to cannot be resolved.
void AddDependency(const ast::Identifier* from,
Symbol to,
const char* use,
const char* action) {
auto* resolved = scope_stack_.Get(to);
if (!resolved) {
if (!IsBuiltin(to)) {
UnknownSymbol(to, from->source, use);
auto s = symbols_.NameFor(to);
if (auto builtin_fn = sem::ParseBuiltinType(s); builtin_fn != sem::BuiltinType::kNone) {
graph_.resolved_identifiers.Add(from, ResolvedIdentifier(builtin_fn));
return;
}
if (auto builtin_ty = type::ParseBuiltin(s); builtin_ty != type::Builtin::kUndefined) {
graph_.resolved_identifiers.Add(from, ResolvedIdentifier(builtin_ty));
return;
}
UnknownSymbol(to, from->source, use);
return;
}
if (auto global = globals_.Find(to); global && (*global)->node == resolved) {
@ -486,17 +497,7 @@ class DependencyScanner {
}
}
graph_.resolved_symbols.Add(from, resolved);
}
/// @returns true if `name` is the name of a builtin function, or builtin type alias
bool IsBuiltin(Symbol name) const {
auto s = symbols_.NameFor(name);
if (sem::ParseBuiltinType(s) != sem::BuiltinType::kNone ||
type::ParseBuiltin(s) != type::Builtin::kUndefined) {
return true;
}
return false;
graph_.resolved_identifiers.Add(from, ResolvedIdentifier(resolved));
}
/// Appends an error to the diagnostics that the given symbol cannot be
@ -529,7 +530,7 @@ struct DependencyAnalysis {
/// @returns true if analysis found no errors, otherwise false.
bool Run(const ast::Module& module) {
// Reserve container memory
graph_.resolved_symbols.Reserve(module.GlobalDeclarations().Length());
graph_.resolved_identifiers.Reserve(module.GlobalDeclarations().Length());
sorted_.Reserve(module.GlobalDeclarations().Length());
// Collect all the named globals from the AST module
@ -821,4 +822,20 @@ bool DependencyGraph::Build(const ast::Module& module,
return da.Run(module);
}
std::ostream& operator<<(std::ostream& out, const ResolvedIdentifier& ri) {
if (!ri) {
return out << "<unresolved symbol>";
}
if (auto* node = ri.Node()) {
return out << "'" << node->TypeInfo().name << "' at " << node->source;
}
if (auto builtin_fn = ri.BuiltinFunction(); builtin_fn != sem::BuiltinType::kNone) {
return out << "builtin function '" << builtin_fn << "'";
}
if (auto builtin_ty = ri.BuiltinType(); builtin_ty != type::Builtin::kUndefined) {
return out << "builtin function '" << builtin_ty << "'";
}
return out << "<unhandled ResolvedIdentifier value>";
}
} // namespace tint::resolver

78
src/tint/resolver/dependency_graph.h
View File

@ -19,10 +19,83 @@
#include "src/tint/ast/module.h"
#include "src/tint/diagnostic/diagnostic.h"
#include "src/tint/sem/builtin_type.h"
#include "src/tint/type/builtin.h"
#include "src/tint/utils/hashmap.h"
namespace tint::resolver {
/// ResolvedIdentifier holds the resolution of an ast::Identifier.
/// Can hold one of:
/// - const ast::TypeDecl* (as const ast::Node*)
/// - const ast::Variable* (as const ast::Node*)
/// - const ast::Function* (as const ast::Node*)
/// - sem::BuiltinType
/// - type::Builtin
class ResolvedIdentifier {
public:
ResolvedIdentifier() = default;
/// Constructor
/// @param value the resolved identifier value
template <typename T>
ResolvedIdentifier(T value) : value_(value) {} // NOLINT(runtime/explicit)
/// @return true if the ResolvedIdentifier holds a value (successfully resolved)
operator bool() const { return !std::holds_alternative<std::monostate>(value_); }
/// @return the node pointer if the ResolvedIdentifier holds an AST node, otherwise nullptr
const ast::Node* Node() const {
if (auto n = std::get_if<const ast::Node*>(&value_)) {
return *n;
}
return nullptr;
}
/// @return the builtin function if the ResolvedIdentifier holds sem::BuiltinType, otherwise
/// sem::BuiltinType::kNone
sem::BuiltinType BuiltinFunction() const {
if (auto n = std::get_if<sem::BuiltinType>(&value_)) {
return *n;
}
return sem::BuiltinType::kNone;
}
/// @return the builtin type if the ResolvedIdentifier holds type::Builtin, otherwise
/// type::Builtin::kUndefined
type::Builtin BuiltinType() const {
if (auto n = std::get_if<type::Builtin>(&value_)) {
return *n;
}
return type::Builtin::kUndefined;
}
/// @param value the value to compare the ResolvedIdentifier to
/// @return true if the ResolvedIdentifier is equal to @p value
template <typename T>
bool operator==(const T& value) const {
if (auto n = std::get_if<T>(&value_)) {
return *n == value;
}
return false;
}
/// @param other the other value to compare to this
/// @return true if this ResolvedIdentifier and @p other are not equal
template <typename T>
bool operator!=(const T& other) const {
return !(*this == other);
}
private:
std::variant<std::monostate, const ast::Node*, sem::BuiltinType, type::Builtin> value_;
};
/// @param out the std::ostream to write to
/// @param ri the ResolvedIdentifier
/// @returns `out` so calls can be chained
std::ostream& operator<<(std::ostream& out, const ResolvedIdentifier& ri);
/// DependencyGraph holds information about module-scope declaration dependency
/// analysis and symbol resolutions.
struct DependencyGraph {
@ -48,9 +121,8 @@ struct DependencyGraph {
/// All globals in dependency-sorted order.
utils::Vector<const ast::Node*, 32> ordered_globals;
/// Map of ast::IdentifierExpression or ast::TypeName to a type, function, or
/// variable that declares the symbol.
utils::Hashmap<const ast::Node*, const ast::Node*, 64> resolved_symbols;
/// Map of ast::Identifier to a ResolvedIdentifier
utils::Hashmap<const ast::Identifier*, ResolvedIdentifier, 64> resolved_identifiers;
/// Map of ast::Variable to a type, function, or variable that is shadowed by
/// the variable key. A declaration (X) shadows another (Y) if X and Y use

306
src/tint/resolver/dependency_graph_test.cc
View File

@ -103,8 +103,7 @@ static constexpr SymbolDeclKind kFuncDeclKinds[] = {
SymbolDeclKind::Function,
};
/// SymbolUseKind is used by parameterized tests to enumerate the different
/// kinds of symbol uses.
/// SymbolUseKind is used by parameterized tests to enumerate the different kinds of symbol uses.
enum class SymbolUseKind {
GlobalVarType,
GlobalVarArrayElemType,
@ -400,19 +399,19 @@ struct SymbolTestHelper {
/// Destructor.
~SymbolTestHelper();
/// Declares a symbol with the given kind
/// @param kind the kind of symbol declaration
/// Declares an identifier with the given kind
/// @param kind the kind of identifier declaration
/// @param symbol the symbol to use for the declaration
/// @param source the source of the declaration
/// @returns the declaration node
/// @returns the identifier node
const ast::Node* Add(SymbolDeclKind kind, Symbol symbol, Source source);
/// Declares a use of a symbol with the given kind
/// Declares a use of an identifier with the given kind
/// @param kind the kind of symbol use
/// @param symbol the declaration symbol to use
/// @param source the source of the use
/// @returns the use node
const ast::Node* Add(SymbolUseKind kind, Symbol symbol, Source source);
const ast::Identifier* Add(SymbolUseKind kind, Symbol symbol, Source source);
/// Builds a function, if any parameter or local declarations have been added
void Build();
@ -422,7 +421,7 @@ SymbolTestHelper::SymbolTestHelper(ProgramBuilder* b) : builder(b) {}
SymbolTestHelper::~SymbolTestHelper() {}
const ast::Node* SymbolTestHelper::Add(SymbolDeclKind kind, Symbol symbol, Source source) {
const ast::Node* SymbolTestHelper::Add(SymbolDeclKind kind, Symbol symbol, Source source = {}) {
auto& b = *builder;
switch (kind) {
case SymbolDeclKind::GlobalVar:
@ -464,88 +463,90 @@ const ast::Node* SymbolTestHelper::Add(SymbolDeclKind kind, Symbol symbol, Sourc
return nullptr;
}
const ast::Node* SymbolTestHelper::Add(SymbolUseKind kind, Symbol symbol, Source source) {
const ast::Identifier* SymbolTestHelper::Add(SymbolUseKind kind,
Symbol symbol,
Source source = {}) {
auto& b = *builder;
switch (kind) {
case SymbolUseKind::GlobalVarType: {
auto* node = b.ty(source, symbol);
b.GlobalVar(b.Sym(), node, type::AddressSpace::kPrivate);
return node;
return node->name;
}
case SymbolUseKind::GlobalVarArrayElemType: {
auto* node = b.ty(source, symbol);
b.GlobalVar(b.Sym(), b.ty.array(node, 4_i), type::AddressSpace::kPrivate);
return node;
return node->name;
}
case SymbolUseKind::GlobalVarArraySizeValue: {
auto* node = b.Expr(source, symbol);
b.GlobalVar(b.Sym(), b.ty.array(b.ty.i32(), node), type::AddressSpace::kPrivate);
return node;
return node->identifier;
}
case SymbolUseKind::GlobalVarVectorElemType: {
auto* node = b.ty(source, symbol);
b.GlobalVar(b.Sym(), b.ty.vec3(node), type::AddressSpace::kPrivate);
return node;
return node->name;
}
case SymbolUseKind::GlobalVarMatrixElemType: {
auto* node = b.ty(source, symbol);
b.GlobalVar(b.Sym(), b.ty.mat3x4(node), type::AddressSpace::kPrivate);
return node;
return node->name;
}
case SymbolUseKind::GlobalVarSampledTexElemType: {
auto* node = b.ty(source, symbol);
b.GlobalVar(b.Sym(), b.ty.sampled_texture(type::TextureDimension::k2d, node));
return node;
return node->name;
}
case SymbolUseKind::GlobalVarMultisampledTexElemType: {
auto* node = b.ty(source, symbol);
b.GlobalVar(b.Sym(), b.ty.multisampled_texture(type::TextureDimension::k2d, node));
return node;
return node->name;
}
case SymbolUseKind::GlobalVarValue: {
auto* node = b.Expr(source, symbol);
b.GlobalVar(b.Sym(), b.ty.i32(), type::AddressSpace::kPrivate, node);
return node;
return node->identifier;
}
case SymbolUseKind::GlobalConstType: {
auto* node = b.ty(source, symbol);
b.GlobalConst(b.Sym(), node, b.Expr(1_i));
return node;
return node->name;
}
case SymbolUseKind::GlobalConstArrayElemType: {
auto* node = b.ty(source, symbol);
b.GlobalConst(b.Sym(), b.ty.array(node, 4_i), b.Expr(1_i));
return node;
return node->name;
}
case SymbolUseKind::GlobalConstArraySizeValue: {
auto* node = b.Expr(source, symbol);
b.GlobalConst(b.Sym(), b.ty.array(b.ty.i32(), node), b.Expr(1_i));
return node;
return node->identifier;
}
case SymbolUseKind::GlobalConstVectorElemType: {
auto* node = b.ty(source, symbol);
b.GlobalConst(b.Sym(), b.ty.vec3(node), b.Expr(1_i));
return node;
return node->name;
}
case SymbolUseKind::GlobalConstMatrixElemType: {
auto* node = b.ty(source, symbol);
b.GlobalConst(b.Sym(), b.ty.mat3x4(node), b.Expr(1_i));
return node;
return node->name;
}
case SymbolUseKind::GlobalConstValue: {
auto* node = b.Expr(source, symbol);
b.GlobalConst(b.Sym(), b.ty.i32(), node);
return node;
return node->identifier;
}
case SymbolUseKind::AliasType: {
auto* node = b.ty(source, symbol);
b.Alias(b.Sym(), node);
return node;
return node->name;
}
case SymbolUseKind::StructMemberType: {
auto* node = b.ty(source, symbol);
b.Structure(b.Sym(), utils::Vector{b.Member("m", node)});
return node;
return node->name;
}
case SymbolUseKind::CallFunction: {
auto* node = b.Ident(source, symbol);
@ -555,72 +556,72 @@ const ast::Node* SymbolTestHelper::Add(SymbolUseKind kind, Symbol symbol, Source
case SymbolUseKind::ParameterType: {
auto* node = b.ty(source, symbol);
parameters.Push(b.Param(b.Sym(), node));
return node;
return node->name;
}
case SymbolUseKind::LocalVarType: {
auto* node = b.ty(source, symbol);
statements.Push(b.Decl(b.Var(b.Sym(), node)));
return node;
return node->name;
}
case SymbolUseKind::LocalVarArrayElemType: {
auto* node = b.ty(source, symbol);
statements.Push(b.Decl(b.Var(b.Sym(), b.ty.array(node, 4_u), b.Expr(1_i))));
return node;
return node->name;
}
case SymbolUseKind::LocalVarArraySizeValue: {
auto* node = b.Expr(source, symbol);
statements.Push(b.Decl(b.Var(b.Sym(), b.ty.array(b.ty.i32(), node), b.Expr(1_i))));
return node;
return node->identifier;
}
case SymbolUseKind::LocalVarVectorElemType: {
auto* node = b.ty(source, symbol);
statements.Push(b.Decl(b.Var(b.Sym(), b.ty.vec3(node))));
return node;
return node->name;
}
case SymbolUseKind::LocalVarMatrixElemType: {
auto* node = b.ty(source, symbol);
statements.Push(b.Decl(b.Var(b.Sym(), b.ty.mat3x4(node))));
return node;
return node->name;
}
case SymbolUseKind::LocalVarValue: {
auto* node = b.Expr(source, symbol);
statements.Push(b.Decl(b.Var(b.Sym(), b.ty.i32(), node)));
return node;
return node->identifier;
}
case SymbolUseKind::LocalLetType: {
auto* node = b.ty(source, symbol);
statements.Push(b.Decl(b.Let(b.Sym(), node, b.Expr(1_i))));
return node;
return node->name;
}
case SymbolUseKind::LocalLetValue: {
auto* node = b.Expr(source, symbol);
statements.Push(b.Decl(b.Let(b.Sym(), b.ty.i32(), node)));
return node;
return node->identifier;
}
case SymbolUseKind::NestedLocalVarType: {
auto* node = b.ty(source, symbol);
nested_statements.Push(b.Decl(b.Var(b.Sym(), node)));
return node;
return node->name;
}
case SymbolUseKind::NestedLocalVarValue: {
auto* node = b.Expr(source, symbol);
nested_statements.Push(b.Decl(b.Var(b.Sym(), b.ty.i32(), node)));
return node;
return node->identifier;
}
case SymbolUseKind::NestedLocalLetType: {
auto* node = b.ty(source, symbol);
nested_statements.Push(b.Decl(b.Let(b.Sym(), node, b.Expr(1_i))));
return node;
return node->name;
}
case SymbolUseKind::NestedLocalLetValue: {
auto* node = b.Expr(source, symbol);
nested_statements.Push(b.Decl(b.Let(b.Sym(), b.ty.i32(), node)));
return node;
return node->identifier;
}
case SymbolUseKind::WorkgroupSizeValue: {
auto* node = b.Expr(source, symbol);
func_attrs.Push(b.WorkgroupSize(1_i, node, 2_i));
return node;
return node->identifier;
}
}
return nullptr;
@ -641,7 +642,7 @@ void SymbolTestHelper::Build() {
}
////////////////////////////////////////////////////////////////////////////////
// Used-before-declarated tests
// Used-before-declared tests
////////////////////////////////////////////////////////////////////////////////
namespace used_before_decl_tests {
@ -1103,14 +1104,14 @@ TEST_F(ResolverDependencyGraphOrderedGlobalsTest, DirectiveFirst) {
} // namespace ordered_globals
////////////////////////////////////////////////////////////////////////////////
// Resolved symbols tests
// Resolve to user-declaration tests
////////////////////////////////////////////////////////////////////////////////
namespace resolved_symbols {
namespace resolve_to_user_decl {
using ResolverDependencyGraphResolvedSymbolTest =
using ResolverDependencyGraphResolveToUserDeclTest =
ResolverDependencyGraphTestWithParam<std::tuple<SymbolDeclKind, SymbolUseKind>>;
TEST_P(ResolverDependencyGraphResolvedSymbolTest, Test) {
TEST_P(ResolverDependencyGraphResolveToUserDeclTest, Test) {
const Symbol symbol = Sym("SYMBOL");
const auto decl_kind = std::get<0>(GetParam());
const auto use_kind = std::get<1>(GetParam());
@ -1128,41 +1129,209 @@ TEST_P(ResolverDependencyGraphResolvedSymbolTest, Test) {
if (expect_pass) {
// Check that the use resolves to the declaration
auto resolved_symbol = graph.resolved_symbols.Find(use);
ASSERT_TRUE(resolved_symbol);
EXPECT_EQ(*resolved_symbol, decl)
<< "resolved: " << (*resolved_symbol ? (*resolved_symbol)->TypeInfo().name : "<null>")
<< "\n"
auto resolved_identifier = graph.resolved_identifiers.Find(use);
ASSERT_TRUE(resolved_identifier);
auto* resolved_node = resolved_identifier->Node();
EXPECT_EQ(resolved_node, decl)
<< "resolved: " << (resolved_node ? resolved_node->TypeInfo().name : "<null>") << "\n"
<< "decl: " << decl->TypeInfo().name;
}
}
INSTANTIATE_TEST_SUITE_P(Types,
ResolverDependencyGraphResolvedSymbolTest,
ResolverDependencyGraphResolveToUserDeclTest,
testing::Combine(testing::ValuesIn(kTypeDeclKinds),
testing::ValuesIn(kTypeUseKinds)));
INSTANTIATE_TEST_SUITE_P(Values,
ResolverDependencyGraphResolvedSymbolTest,
ResolverDependencyGraphResolveToUserDeclTest,
testing::Combine(testing::ValuesIn(kValueDeclKinds),
testing::ValuesIn(kValueUseKinds)));
INSTANTIATE_TEST_SUITE_P(Functions,
ResolverDependencyGraphResolvedSymbolTest,
ResolverDependencyGraphResolveToUserDeclTest,
testing::Combine(testing::ValuesIn(kFuncDeclKinds),
testing::ValuesIn(kFuncUseKinds)));
} // namespace resolved_symbols
} // namespace resolve_to_user_decl
////////////////////////////////////////////////////////////////////////////////
// Resolve to builtin func tests
////////////////////////////////////////////////////////////////////////////////
namespace resolve_to_builtin_func {
using ResolverDependencyGraphResolveToBuiltinFunc =
ResolverDependencyGraphTestWithParam<std::tuple<SymbolUseKind, sem::BuiltinType>>;
TEST_P(ResolverDependencyGraphResolveToBuiltinFunc, Resolve) {
const auto use = std::get<0>(GetParam());
const auto builtin = std::get<1>(GetParam());
const auto symbol = Symbols().New(utils::ToString(builtin));
SymbolTestHelper helper(this);
auto* ident = helper.Add(use, symbol);
helper.Build();
auto resolved = Build().resolved_identifiers.Get(ident);
ASSERT_TRUE(resolved);
EXPECT_EQ(resolved->BuiltinFunction(), builtin) << *resolved;
}
TEST_P(ResolverDependencyGraphResolveToBuiltinFunc, ShadowedByGlobalVar) {
const auto use = std::get<0>(GetParam());
const auto builtin = std::get<1>(GetParam());
const auto symbol = Symbols().New(utils::ToString(builtin));
SymbolTestHelper helper(this);
auto* decl = helper.Add(SymbolDeclKind::GlobalVar, symbol);
auto* ident = helper.Add(use, symbol);
helper.Build();
auto resolved = Build().resolved_identifiers.Get(ident);
ASSERT_TRUE(resolved);
EXPECT_EQ(resolved->Node(), decl) << *resolved;
}
TEST_P(ResolverDependencyGraphResolveToBuiltinFunc, ShadowedByStruct) {
const auto use = std::get<0>(GetParam());
const auto builtin = std::get<1>(GetParam());
const auto symbol = Symbols().New(utils::ToString(builtin));
SymbolTestHelper helper(this);
auto* decl = helper.Add(SymbolDeclKind::Struct, symbol);
auto* ident = helper.Add(use, symbol);
helper.Build();
auto resolved = Build().resolved_identifiers.Get(ident);
ASSERT_TRUE(resolved);
EXPECT_EQ(resolved->Node(), decl) << *resolved;
}
TEST_P(ResolverDependencyGraphResolveToBuiltinFunc, ShadowedByFunc) {
const auto use = std::get<0>(GetParam());
const auto builtin = std::get<1>(GetParam());
const auto symbol = Symbols().New(utils::ToString(builtin));
SymbolTestHelper helper(this);
auto* decl = helper.Add(SymbolDeclKind::Function, symbol);
auto* ident = helper.Add(use, symbol);
helper.Build();
auto resolved = Build().resolved_identifiers.Get(ident);
ASSERT_TRUE(resolved);
EXPECT_EQ(resolved->Node(), decl) << *resolved;
}
INSTANTIATE_TEST_SUITE_P(Types,
ResolverDependencyGraphResolveToBuiltinFunc,
testing::Combine(testing::ValuesIn(kTypeUseKinds),
testing::ValuesIn(sem::kBuiltinTypes)));
INSTANTIATE_TEST_SUITE_P(Values,
ResolverDependencyGraphResolveToBuiltinFunc,
testing::Combine(testing::ValuesIn(kValueUseKinds),
testing::ValuesIn(sem::kBuiltinTypes)));
INSTANTIATE_TEST_SUITE_P(Functions,
ResolverDependencyGraphResolveToBuiltinFunc,
testing::Combine(testing::ValuesIn(kFuncUseKinds),
testing::ValuesIn(sem::kBuiltinTypes)));
} // namespace resolve_to_builtin_func
////////////////////////////////////////////////////////////////////////////////
// Resolve to builtin type tests
////////////////////////////////////////////////////////////////////////////////
namespace resolve_to_builtin_type {
using ResolverDependencyGraphResolveToBuiltinType =
ResolverDependencyGraphTestWithParam<std::tuple<SymbolUseKind, const char*>>;
TEST_P(ResolverDependencyGraphResolveToBuiltinType, Resolve) {
const auto use = std::get<0>(GetParam());
const auto name = std::get<1>(GetParam());
const auto symbol = Symbols().New(name);
SymbolTestHelper helper(this);
auto* ident = helper.Add(use, symbol);
helper.Build();
auto resolved = Build().resolved_identifiers.Get(ident);
ASSERT_TRUE(resolved);
EXPECT_EQ(resolved->BuiltinType(), type::ParseBuiltin(name)) << *resolved;
}
TEST_P(ResolverDependencyGraphResolveToBuiltinType, ShadowedByGlobalVar) {
const auto use = std::get<0>(GetParam());
const auto name = std::get<1>(GetParam());
const auto symbol = Symbols().New(name);
SymbolTestHelper helper(this);
auto* decl = helper.Add(SymbolDeclKind::GlobalVar, symbol);
auto* ident = helper.Add(use, symbol);
helper.Build();
auto resolved = Build().resolved_identifiers.Get(ident);
ASSERT_TRUE(resolved);
EXPECT_EQ(resolved->Node(), decl) << *resolved;
}
TEST_P(ResolverDependencyGraphResolveToBuiltinType, ShadowedByStruct) {
const auto use = std::get<0>(GetParam());
const auto name = std::get<1>(GetParam());
const auto symbol = Symbols().New(name);
SymbolTestHelper helper(this);
auto* decl = helper.Add(SymbolDeclKind::Struct, symbol);
auto* ident = helper.Add(use, symbol);
helper.Build();
auto resolved = Build().resolved_identifiers.Get(ident);
ASSERT_TRUE(resolved);
EXPECT_EQ(resolved->Node(), decl) << *resolved;
}
TEST_P(ResolverDependencyGraphResolveToBuiltinType, ShadowedByFunc) {
const auto use = std::get<0>(GetParam());
const auto name = std::get<1>(GetParam());
const auto symbol = Symbols().New(name);
SymbolTestHelper helper(this);
auto* decl = helper.Add(SymbolDeclKind::Function, symbol);
auto* ident = helper.Add(use, symbol);
helper.Build();
auto resolved = Build().resolved_identifiers.Get(ident);
ASSERT_TRUE(resolved);
EXPECT_EQ(resolved->Node(), decl) << *resolved;
}
INSTANTIATE_TEST_SUITE_P(Types,
ResolverDependencyGraphResolveToBuiltinType,
testing::Combine(testing::ValuesIn(kTypeUseKinds),
testing::ValuesIn(type::kBuiltinStrings)));
INSTANTIATE_TEST_SUITE_P(Values,
ResolverDependencyGraphResolveToBuiltinType,
testing::Combine(testing::ValuesIn(kValueUseKinds),
testing::ValuesIn(type::kBuiltinStrings)));
INSTANTIATE_TEST_SUITE_P(Functions,
ResolverDependencyGraphResolveToBuiltinType,
testing::Combine(testing::ValuesIn(kFuncUseKinds),
testing::ValuesIn(type::kBuiltinStrings)));
} // namespace resolve_to_builtin_type
////////////////////////////////////////////////////////////////////////////////
// Shadowing tests
////////////////////////////////////////////////////////////////////////////////
namespace shadowing {
using ResolverDependencyShadowTest =
using ResolverDependencyGraphShadowTest =
ResolverDependencyGraphTestWithParam<std::tuple<SymbolDeclKind, SymbolDeclKind>>;
TEST_P(ResolverDependencyShadowTest, Test) {
TEST_P(ResolverDependencyGraphShadowTest, Test) {
const Symbol symbol = Sym("SYMBOL");
const auto outer_kind = std::get<0>(GetParam());
const auto inner_kind = std::get<1>(GetParam());
@ -1185,12 +1354,12 @@ TEST_P(ResolverDependencyShadowTest, Test) {
}
INSTANTIATE_TEST_SUITE_P(LocalShadowGlobal,
ResolverDependencyShadowTest,
ResolverDependencyGraphShadowTest,
testing::Combine(testing::ValuesIn(kGlobalDeclKinds),
testing::ValuesIn(kLocalDeclKinds)));
INSTANTIATE_TEST_SUITE_P(NestedLocalShadowLocal,
ResolverDependencyShadowTest,
ResolverDependencyGraphShadowTest,
testing::Combine(testing::Values(SymbolDeclKind::Parameter,
SymbolDeclKind::LocalVar,
SymbolDeclKind::LocalLet),
@ -1204,6 +1373,18 @@ INSTANTIATE_TEST_SUITE_P(NestedLocalShadowLocal,
////////////////////////////////////////////////////////////////////////////////
namespace ast_traversal {
static const ast::Identifier* IdentifierOf(const ast::IdentifierExpression* expr) {
return expr->identifier;
}
static const ast::Identifier* IdentifierOf(const ast::TypeName* ty) {
return ty->name;
}
static const ast::Identifier* IdentifierOf(const ast::Identifier* ident) {
return ident;
}
using ResolverDependencyGraphTraversalTest = ResolverDependencyGraphTest;
TEST_F(ResolverDependencyGraphTraversalTest, SymbolsReached) {
@ -1217,7 +1398,7 @@ TEST_F(ResolverDependencyGraphTraversalTest, SymbolsReached) {
struct SymbolUse {
const ast::Node* decl = nullptr;
const ast::Node* use = nullptr;
const ast::Identifier* use = nullptr;
std::string where;
};
@ -1225,7 +1406,8 @@ TEST_F(ResolverDependencyGraphTraversalTest, SymbolsReached) {
auto add_use = [&](const ast::Node* decl, auto* use, int line, const char* kind) {
symbol_uses.Push(
SymbolUse{decl, use, std::string(__FILE__) + ":" + std::to_string(line) + ": " + kind});
SymbolUse{decl, IdentifierOf(use),
std::string(__FILE__) + ":" + std::to_string(line) + ": " + kind});
return use;
};
#define V add_use(value_decl, Expr(value_sym), __LINE__, "V()")
@ -1310,9 +1492,9 @@ TEST_F(ResolverDependencyGraphTraversalTest, SymbolsReached) {
auto graph = Build();
for (auto use : symbol_uses) {
auto resolved_symbol = graph.resolved_symbols.Find(use.use);
ASSERT_TRUE(resolved_symbol) << use.where;
EXPECT_EQ(*resolved_symbol, use.decl) << use.where;
auto resolved_identifier = graph.resolved_identifiers.Find(use.use);
ASSERT_TRUE(resolved_identifier) << use.where;
EXPECT_EQ(*resolved_identifier, use.decl) << use.where;
}
}

224
src/tint/resolver/resolver.cc
View File

@ -105,7 +105,7 @@ Resolver::Resolver(ProgramBuilder* builder)
diagnostics_(builder->Diagnostics()),
const_eval_(*builder),
intrinsic_table_(IntrinsicTable::Create(*builder)),
sem_(builder, dependencies_),
sem_(builder),
validator_(builder,
sem_,
enabled_extensions_,
@ -332,22 +332,21 @@ type::Type* Resolver::Type(const ast::Type* ty) {
TINT_UNREACHABLE(Resolver, builder_->Diagnostics()) << "TODO(crbug.com/tint/1810)";
}
auto* resolved = sem_.ResolvedSymbol(t);
if (resolved == nullptr) {
if (IsBuiltin(t->name->symbol)) {
auto name = builder_->Symbols().NameFor(t->name->symbol);
AddError("cannot use builtin '" + name + "' as type", ty->source);
auto resolved = dependencies_.resolved_identifiers.Get(t->name);
if (!resolved) {
TINT_ICE(Resolver, builder_->Diagnostics()) << "identifier was not resolved";
return nullptr;
}
return BuiltinType(t->name->symbol, t->source);
}
if (auto* ast_node = resolved->Node()) {
auto* resolved_node = sem_.Get(ast_node);
return Switch(
resolved, //
resolved_node, //
[&](type::Type* type) { return type; },
[&](sem::Variable* var) {
auto name = builder_->Symbols().NameFor(var->Declaration()->symbol);
[&](sem::Variable* variable) {
auto name = builder_->Symbols().NameFor(variable->Declaration()->symbol);
AddError("cannot use variable '" + name + "' as type", ty->source);
AddNote("'" + name + "' declared here", var->Declaration()->source);
AddNote("'" + name + "' declared here", variable->Declaration()->source);
return nullptr;
},
[&](sem::Function* func) {
@ -355,18 +354,23 @@ type::Type* Resolver::Type(const ast::Type* ty) {
AddError("cannot use function '" + name + "' as type", ty->source);
AddNote("'" + name + "' declared here", func->Declaration()->source);
return nullptr;
},
[&](Default) -> type::Type* {
TINT_UNREACHABLE(Resolver, diagnostics_)
<< "Unhandled resolved type '"
<< (resolved ? resolved->TypeInfo().name : "<null>")
<< "' resolved from ast::Type '" << ty->TypeInfo().name << "'";
return nullptr;
});
},
[&](Default) {
}
if (auto builtin_ty = resolved->BuiltinType();
builtin_ty != type::Builtin::kUndefined) {
return BuiltinType(builtin_ty, t->name);
}
if (auto builtin_fn = resolved->BuiltinFunction();
builtin_fn != sem::BuiltinType::kNone) {
auto name = builder_->Symbols().NameFor(t->name->symbol);
AddError("cannot use builtin '" + name + "' as type", ty->source);
return nullptr;
}
TINT_UNREACHABLE(Resolver, diagnostics_)
<< "Unhandled type: '" << ty->TypeInfo().name << "'";
<< "unhandled resolved identifier: " << *resolved;
return nullptr;
});
@ -947,7 +951,8 @@ sem::GlobalVariable* Resolver::GlobalVariable(const ast::Variable* v) {
return nullptr;
}
// Track the pipeline-overridable constants that are transitively referenced by this variable.
// Track the pipeline-overridable constants that are transitively referenced by this
// variable.
for (auto* var : transitively_referenced_overrides) {
builder_->Sem().AddTransitivelyReferencedOverride(sem, var);
}
@ -1176,8 +1181,8 @@ bool Resolver::WorkgroupSize(const ast::Function* func) {
"abstract-integer, i32 or u32";
for (size_t i = 0; i < 3; i++) {
// Each argument to this attribute can either be a literal, an identifier for a module-scope
// constants, a const-expression, or nullptr if not specified.
// Each argument to this attribute can either be a literal, an identifier for a
// module-scope constants, a const-expression, or nullptr if not specified.
auto* value = values[i];
if (!value) {
break;
@ -1604,8 +1609,8 @@ sem::ValueExpression* Resolver::Expression(const ast::Expression* root) {
return sem_expr;
}
// If we just processed the lhs of a constexpr logical binary expression, mark the rhs for
// short-circuiting.
// If we just processed the lhs of a constexpr logical binary expression, mark the rhs
// for short-circuiting.
if (sem_expr->ConstantValue()) {
if (auto binary = logical_binary_lhs_to_parent_.Find(expr)) {
const bool lhs_is_true = sem_expr->ConstantValue()->ValueAs<bool>();
@ -1678,7 +1683,8 @@ bool Resolver::AliasAnalysis(const sem::Call* call) {
auto& target_info = alias_analysis_infos_[target];
auto& caller_info = alias_analysis_infos_[current_function_];
// Track the set of root identifiers that are read and written by arguments passed in this call.
// Track the set of root identifiers that are read and written by arguments passed in this
// call.
std::unordered_map<const sem::Variable*, const sem::ValueExpression*> arg_reads;
std::unordered_map<const sem::Variable*, const sem::ValueExpression*> arg_writes;
for (size_t i = 0; i < args.Length(); i++) {
@ -1715,8 +1721,8 @@ bool Resolver::AliasAnalysis(const sem::Call* call) {
},
[&](const sem::Parameter* param) { caller_info.parameter_writes.insert(param); });
} else if (target_info.parameter_reads.count(target->Parameters()[i])) {
// Arguments that are read from can alias with arguments or module-scope variables that
// are written to.
// Arguments that are read from can alias with arguments or module-scope variables
// that are written to.
if (arg_writes.count(root)) {
return make_error(arg, {arg_writes.at(root), Alias::Argument, "write"});
}
@ -2101,8 +2107,8 @@ sem::Call* Resolver::Call(const ast::CallExpression* expr) {
// Constant evaluation failed.
// Can happen for expressions that will fail validation (later).
// Use the kRuntime EvaluationStage, as kConstant will trigger an assertion in
// the sem::ValueExpression initializer, which checks that kConstant is paired with
// a constant value.
// the sem::ValueExpression initializer, which checks that kConstant is paired
// with a constant value.
stage = sem::EvaluationStage::kRuntime;
}
}
@ -2310,37 +2316,46 @@ sem::Call* Resolver::Call(const ast::CallExpression* expr) {
// conversion.
auto* ident = expr->target.name;
Mark(ident);
if (auto* resolved = sem_.ResolvedSymbol<type::Type>(ident)) {
// A type initializer or conversions.
// Note: Unlike the code path where we're resolving the call target from an
// ast::Type, all types must already have the element type explicitly specified,
// so there's no need to infer element types.
return ty_init_or_conv(resolved);
auto resolved = dependencies_.resolved_identifiers.Get(ident);
if (!resolved) {
TINT_ICE(Resolver, builder_->Diagnostics()) << "identifier was not resolved";
return nullptr;
}
auto* resolved = sem_.ResolvedSymbol<sem::Node>(ident);
call = Switch<sem::Call*>(
resolved, //
if (auto* ast_node = resolved->Node()) {
auto* resolved_node = sem_.Get(ast_node);
return Switch(
resolved_node, //
[&](const type::Type* ty) {
// A type initializer or conversions.
// Note: Unlike the code path where we're resolving the call target from an
// ast::Type, all types must already have the element type explicitly
// specified, so there's no need to infer element types.
return ty_init_or_conv(ty);
},
[&](sem::Function* func) { return FunctionCall(expr, func, args, arg_behaviors); },
[&](sem::Variable* var) {
auto name = builder_->Symbols().NameFor(var->Declaration()->symbol);
AddError("cannot call variable '" + name + "'", ident->source);
AddNote("'" + name + "' declared here", var->Declaration()->source);
return nullptr;
},
[&](Default) -> sem::Call* {
auto name = builder_->Symbols().NameFor(ident->symbol);
if (auto builtin_type = sem::ParseBuiltinType(name);
builtin_type != sem::BuiltinType::kNone) {
return BuiltinCall(expr, builtin_type, args);
}
if (auto* alias = BuiltinType(ident->symbol, ident->source)) {
return ty_init_or_conv(alias);
}
return nullptr;
});
}
if (auto builtin_fn = resolved->BuiltinFunction(); builtin_fn != sem::BuiltinType::kNone) {
return BuiltinCall(expr, builtin_fn, args);
}
if (auto builtin_ty = resolved->BuiltinType(); builtin_ty != type::Builtin::kUndefined) {
auto* ty = BuiltinType(builtin_ty, expr->target.name);
return ty ? ty_init_or_conv(ty) : nullptr;
}
TINT_UNREACHABLE(Resolver, diagnostics_) << "unhandled resolved identifier: " << *resolved;
return nullptr;
}
if (!call) {
return nullptr;
}
@ -2438,13 +2453,12 @@ sem::Call* Resolver::BuiltinCall(const ast::CallExpression* expr,
return call;
}
type::Type* Resolver::BuiltinType(Symbol sym, const Source& source) const {
auto name = builder_->Symbols().NameFor(sym);
type::Type* Resolver::BuiltinType(type::Builtin builtin_ty, const ast::Identifier* ident) const {
auto& b = *builder_;
auto vec_f32 = [&](uint32_t n) { return b.create<type::Vector>(b.create<type::F32>(), n); };
auto vec_f16 = [&](uint32_t n) { return b.create<type::Vector>(b.create<type::F16>(), n); };
switch (type::ParseBuiltin(name)) {
switch (builtin_ty) {
case type::Builtin::kMat2X2F:
return b.create<type::Matrix>(vec_f32(2u), 2u);
case type::Builtin::kMat2X3F:
@ -2464,31 +2478,40 @@ type::Type* Resolver::BuiltinType(Symbol sym, const Source& source) const {
case type::Builtin::kMat4X4F:
return b.create<type::Matrix>(vec_f32(4u), 4u);
case type::Builtin::kMat2X2H:
return validator_.CheckF16Enabled(source) ? b.create<type::Matrix>(vec_f16(2u), 2u)
return validator_.CheckF16Enabled(ident->source)
? b.create<type::Matrix>(vec_f16(2u), 2u)
: nullptr;
case type::Builtin::kMat2X3H:
return validator_.CheckF16Enabled(source) ? b.create<type::Matrix>(vec_f16(3u), 2u)
return validator_.CheckF16Enabled(ident->source)
? b.create<type::Matrix>(vec_f16(3u), 2u)
: nullptr;
case type::Builtin::kMat2X4H:
return validator_.CheckF16Enabled(source) ? b.create<type::Matrix>(vec_f16(4u), 2u)
return validator_.CheckF16Enabled(ident->source)
? b.create<type::Matrix>(vec_f16(4u), 2u)
: nullptr;
case type::Builtin::kMat3X2H:
return validator_.CheckF16Enabled(source) ? b.create<type::Matrix>(vec_f16(2u), 3u)
return validator_.CheckF16Enabled(ident->source)
? b.create<type::Matrix>(vec_f16(2u), 3u)
: nullptr;
case type::Builtin::kMat3X3H:
return validator_.CheckF16Enabled(source) ? b.create<type::Matrix>(vec_f16(3u), 3u)
return validator_.CheckF16Enabled(ident->source)
? b.create<type::Matrix>(vec_f16(3u), 3u)
: nullptr;
case type::Builtin::kMat3X4H:
return validator_.CheckF16Enabled(source) ? b.create<type::Matrix>(vec_f16(4u), 3u)
return validator_.CheckF16Enabled(ident->source)
? b.create<type::Matrix>(vec_f16(4u), 3u)
: nullptr;
case type::Builtin::kMat4X2H:
return validator_.CheckF16Enabled(source) ? b.create<type::Matrix>(vec_f16(2u), 4u)
return validator_.CheckF16Enabled(ident->source)
? b.create<type::Matrix>(vec_f16(2u), 4u)
: nullptr;
case type::Builtin::kMat4X3H:
return validator_.CheckF16Enabled(source) ? b.create<type::Matrix>(vec_f16(3u), 4u)
return validator_.CheckF16Enabled(ident->source)
? b.create<type::Matrix>(vec_f16(3u), 4u)
: nullptr;
case type::Builtin::kMat4X4H:
return validator_.CheckF16Enabled(source) ? b.create<type::Matrix>(vec_f16(4u), 4u)
return validator_.CheckF16Enabled(ident->source)
? b.create<type::Matrix>(vec_f16(4u), 4u)
: nullptr;
case type::Builtin::kVec2F:
return vec_f32(2u);
@ -2497,11 +2520,11 @@ type::Type* Resolver::BuiltinType(Symbol sym, const Source& source) const {
case type::Builtin::kVec4F:
return vec_f32(4u);
case type::Builtin::kVec2H:
return validator_.CheckF16Enabled(source) ? vec_f16(2u) : nullptr;
return validator_.CheckF16Enabled(ident->source) ? vec_f16(2u) : nullptr;
case type::Builtin::kVec3H:
return validator_.CheckF16Enabled(source) ? vec_f16(3u) : nullptr;
return validator_.CheckF16Enabled(ident->source) ? vec_f16(3u) : nullptr;
case type::Builtin::kVec4H:
return validator_.CheckF16Enabled(source) ? vec_f16(4u) : nullptr;
return validator_.CheckF16Enabled(ident->source) ? vec_f16(4u) : nullptr;
case type::Builtin::kVec2I:
return b.create<type::Vector>(b.create<type::I32>(), 2u);
case type::Builtin::kVec3I:
@ -2518,7 +2541,8 @@ type::Type* Resolver::BuiltinType(Symbol sym, const Source& source) const {
break;
}
TINT_ICE(Resolver, diagnostics_) << source << " unhandled builtin type '" << name << "'";
auto name = builder_->Symbols().NameFor(ident->symbol);
TINT_ICE(Resolver, diagnostics_) << ident->source << " unhandled builtin type '" << name << "'";
return nullptr;
}
@ -2685,18 +2709,31 @@ sem::ValueExpression* Resolver::Literal(const ast::LiteralExpression* literal) {
sem::ValueExpression* Resolver::Identifier(const ast::IdentifierExpression* expr) {
Mark(expr->identifier);
auto resolved = dependencies_.resolved_identifiers.Get(expr->identifier);
if (!resolved) {
TINT_ICE(Resolver, builder_->Diagnostics()) << "identifier was not resolved";
return nullptr;
}
if (auto* ast_node = resolved->Node()) {
auto* resolved_node = sem_.Get(ast_node);
return Switch(
resolved_node, //
[&](sem::Variable* variable) -> sem::VariableUser* {
auto symbol = expr->identifier->symbol;
auto* sem_resolved = sem_.ResolvedSymbol<sem::Node>(expr);
if (auto* variable = As<sem::Variable>(sem_resolved)) {
auto* user = builder_->create<sem::VariableUser>(expr, current_statement_, variable);
auto* user =
builder_->create<sem::VariableUser>(expr, current_statement_, variable);
if (current_statement_) {
// If identifier is part of a loop continuing block, make sure it
// doesn't refer to a variable that is bypassed by a continue statement
// in the loop's body block.
if (auto* continuing_block =
current_statement_->FindFirstParent<sem::LoopContinuingBlockStatement>()) {
auto* loop_block = continuing_block->FindFirstParent<sem::LoopBlockStatement>();
current_statement_
->FindFirstParent<sem::LoopContinuingBlockStatement>()) {
auto* loop_block =
continuing_block->FindFirstParent<sem::LoopBlockStatement>();
if (loop_block->FirstContinue()) {
// If our identifier is in loop_block->decls, make sure its index is
// less than first_continue
@ -2744,7 +2781,8 @@ sem::ValueExpression* Resolver::Identifier(const ast::IdentifierExpression* expr
} else if (variable->Declaration()->Is<ast::Var>()) {
// Use of a module-scope 'var' outside of a function.
// Note: The spec is currently vague around the rules here. See
// https://github.com/gpuweb/gpuweb/issues/3081. Remove this comment when resolved.
// https://github.com/gpuweb/gpuweb/issues/3081. Remove this comment when
// resolved.
std::string desc = "var '" + builder_->Symbols().NameFor(symbol) + "' ";
AddError(desc + "cannot be referenced at module-scope", expr->source);
AddNote(desc + "declared here", variable->Declaration()->source);
@ -2753,29 +2791,28 @@ sem::ValueExpression* Resolver::Identifier(const ast::IdentifierExpression* expr
variable->AddUser(user);
return user;
}
if (Is<sem::Function>(sem_resolved)) {
},
[&](const type::Type*) {
AddError("missing '(' for type initializer or cast", expr->source.End());
return nullptr;
},
[&](const sem::Function*) {
AddError("missing '(' for function call", expr->source.End());
return nullptr;
});
}
if (IsBuiltin(symbol)) {
AddError("missing '(' for builtin call", expr->source.End());
return nullptr;
}
if (sem_.ResolvedSymbol<type::Type>(expr) ||
type::ParseBuiltin(builder_->Symbols().NameFor(symbol)) != type::Builtin::kUndefined) {
if (resolved->BuiltinType() != type::Builtin::kUndefined) {
AddError("missing '(' for type initializer or cast", expr->source.End());
return nullptr;
}
// The dependency graph should have errored on this unresolved identifier before reaching here.
TINT_ICE(Resolver, diagnostics_)
<< expr->source << " unresolved identifier:\n"
<< "resolved: " << (sem_resolved ? sem_resolved->TypeInfo().name : "<null>") << "\n"
<< "name: " << builder_->Symbols().NameFor(symbol);
if (resolved->BuiltinFunction() != sem::BuiltinType::kNone) {
AddError("missing '(' for builtin call", expr->source.End());
return nullptr;
}
TINT_UNREACHABLE(Resolver, diagnostics_) << "unhandled resolved identifier: " << *resolved;
return nullptr;
}
@ -2977,8 +3014,8 @@ sem::ValueExpression* Resolver::Binary(const ast::BinaryExpression* expr) {
return nullptr;
}
} else {
// The arguments have constant values, but the operator cannot be const-evaluated. This
// can only be evaluated at runtime.
// The arguments have constant values, but the operator cannot be const-evaluated.
// This can only be evaluated at runtime.
stage = sem::EvaluationStage::kRuntime;
}
}
@ -3966,9 +4003,4 @@ void Resolver::AddNote(const std::string& msg, const Source& source) const {
diagnostics_.add_note(diag::System::Resolver, msg, source);
}
bool Resolver::IsBuiltin(Symbol symbol) const {
std::string name = builder_->Symbols().NameFor(symbol);
return sem::ParseBuiltinType(name) != sem::BuiltinType::kNone;
}
} // namespace tint::resolver

7
src/tint/resolver/resolver.h
View File

@ -428,12 +428,9 @@ class Resolver {
/// Adds the given note message to the diagnostics
void AddNote(const std::string& msg, const Source& source) const;
/// @returns true if the symbol is the name of a builtin function.
bool IsBuiltin(Symbol) const;
/// @returns the builtin type for the symbol @p symbol at @p source
/// @returns the type::Type for the builtin type @p builtin_ty with the identifier @p ident
/// @note: Will raise an ICE if @p symbol is not a builtin type.
type::Type* BuiltinType(Symbol symbol, const Source& source) const;
type::Type* BuiltinType(type::Builtin builtin_ty, const ast::Identifier* ident) const;
// ArrayInitializerSig represents a unique array initializer signature.
// It is a tuple of the array type, number of arguments provided and earliest evaluation stage.

3
src/tint/resolver/sem_helper.cc
View File

@ -18,8 +18,7 @@
namespace tint::resolver {
SemHelper::SemHelper(ProgramBuilder* builder, DependencyGraph& dependencies)
: builder_(builder), dependencies_(dependencies) {}
SemHelper::SemHelper(ProgramBuilder* builder) : builder_(builder) {}
SemHelper::~SemHelper() = default;

16
src/tint/resolver/sem_helper.h
View File

@ -29,8 +29,7 @@ class SemHelper {
public:
/// Constructor
/// @param builder the program builder
/// @param dependencies the program dependency graph
explicit SemHelper(ProgramBuilder* builder, DependencyGraph& dependencies);
explicit SemHelper(ProgramBuilder* builder);
~SemHelper();
/// Get is a helper for obtaining the semantic node for the given AST node.
@ -76,18 +75,6 @@ class SemHelper {
}
}
/// @returns the resolved symbol (function, type or variable) for the given ast::Identifier or
/// ast::TypeName cast to the given semantic type.
/// @param node the node to retrieve
template <typename SEM = sem::Info::InferFromAST>
sem::Info::GetResultType<SEM, ast::Node>* ResolvedSymbol(const ast::Node* node) const {
if (auto resolved = dependencies_.resolved_symbols.Find(node)) {
auto* sem = builder_->Sem().Get<SEM>(*resolved);
return const_cast<sem::Info::GetResultType<SEM, ast::Node>*>(sem);
}
return nullptr;
}
/// @returns the resolved type of the ast::Expression `expr`
/// @param expr the expression
type::Type* TypeOf(const ast::Expression* expr) const;
@ -104,7 +91,6 @@ class SemHelper {
private:
ProgramBuilder* builder_;
DependencyGraph& dependencies_;
};
} // namespace tint::resolver

8
src/tint/resolver/validator.cc
View File

@ -2344,8 +2344,8 @@ bool Validator::Assignment(const ast::Statement* a, const type::Type* rhs_ty) co
// https://gpuweb.github.io/gpuweb/wgsl/#assignment-statement
auto const* lhs_ty = sem_.TypeOf(lhs);
if (auto* variable = sem_.ResolvedSymbol<sem::Variable>(lhs)) {
auto* v = variable->Declaration();
if (auto* var_user = sem_.Get<sem::VariableUser>(lhs)) {
auto* v = var_user->Variable()->Declaration();
const char* err = Switch(
v, //
[&](const ast::Parameter*) { return "cannot assign to function parameter"; },
@ -2392,8 +2392,8 @@ bool Validator::IncrementDecrementStatement(const ast::IncrementDecrementStateme
// https://gpuweb.github.io/gpuweb/wgsl/#increment-decrement
if (auto* variable = sem_.ResolvedSymbol<sem::Variable>(lhs)) {
auto* v = variable->Declaration();
if (auto* var_user = sem_.Get<sem::VariableUser>(lhs)) {
auto* v = var_user->Variable()->Declaration();
const char* err = Switch(
v, //
[&](const ast::Parameter*) { return "cannot modify function parameter"; },

118
src/tint/sem/builtin_type.h
View File

@ -161,6 +161,124 @@ const char* str(BuiltinType i);
/// matches the name in the WGSL spec.
std::ostream& operator<<(std::ostream& out, BuiltinType i);
/// All builtin types
constexpr BuiltinType kBuiltinTypes[] = {
BuiltinType::kAbs,
BuiltinType::kAcos,
BuiltinType::kAcosh,
BuiltinType::kAll,
BuiltinType::kAny,
BuiltinType::kArrayLength,
BuiltinType::kAsin,
BuiltinType::kAsinh,
BuiltinType::kAtan,
BuiltinType::kAtan2,
BuiltinType::kAtanh,
BuiltinType::kCeil,
BuiltinType::kClamp,
BuiltinType::kCos,
BuiltinType::kCosh,
BuiltinType::kCountLeadingZeros,
BuiltinType::kCountOneBits,
BuiltinType::kCountTrailingZeros,
BuiltinType::kCross,
BuiltinType::kDegrees,
BuiltinType::kDeterminant,
BuiltinType::kDistance,
BuiltinType::kDot,
BuiltinType::kDot4I8Packed,
BuiltinType::kDot4U8Packed,
BuiltinType::kDpdx,
BuiltinType::kDpdxCoarse,
BuiltinType::kDpdxFine,
BuiltinType::kDpdy,
BuiltinType::kDpdyCoarse,
BuiltinType::kDpdyFine,
BuiltinType::kExp,
BuiltinType::kExp2,
BuiltinType::kExtractBits,
BuiltinType::kFaceForward,
BuiltinType::kFirstLeadingBit,
BuiltinType::kFirstTrailingBit,
BuiltinType::kFloor,
BuiltinType::kFma,
BuiltinType::kFract,
BuiltinType::kFrexp,
BuiltinType::kFwidth,
BuiltinType::kFwidthCoarse,
BuiltinType::kFwidthFine,
BuiltinType::kInsertBits,
BuiltinType::kInverseSqrt,
BuiltinType::kLdexp,
BuiltinType::kLength,
BuiltinType::kLog,
BuiltinType::kLog2,
BuiltinType::kMax,
BuiltinType::kMin,
BuiltinType::kMix,
BuiltinType::kModf,
BuiltinType::kNormalize,
BuiltinType::kPack2X16Float,
BuiltinType::kPack2X16Snorm,
BuiltinType::kPack2X16Unorm,
BuiltinType::kPack4X8Snorm,
BuiltinType::kPack4X8Unorm,
BuiltinType::kPow,
BuiltinType::kQuantizeToF16,
BuiltinType::kRadians,
BuiltinType::kReflect,
BuiltinType::kRefract,
BuiltinType::kReverseBits,
BuiltinType::kRound,
BuiltinType::kSaturate,
BuiltinType::kSelect,
BuiltinType::kSign,
BuiltinType::kSin,
BuiltinType::kSinh,
BuiltinType::kSmoothstep,
BuiltinType::kSqrt,
BuiltinType::kStep,
BuiltinType::kStorageBarrier,
BuiltinType::kTan,
BuiltinType::kTanh,
BuiltinType::kTranspose,
BuiltinType::kTrunc,
BuiltinType::kUnpack2X16Float,
BuiltinType::kUnpack2X16Snorm,
BuiltinType::kUnpack2X16Unorm,
BuiltinType::kUnpack4X8Snorm,
BuiltinType::kUnpack4X8Unorm,
BuiltinType::kWorkgroupBarrier,
BuiltinType::kWorkgroupUniformLoad,
BuiltinType::kTextureDimensions,
BuiltinType::kTextureGather,
BuiltinType::kTextureGatherCompare,
BuiltinType::kTextureNumLayers,
BuiltinType::kTextureNumLevels,
BuiltinType::kTextureNumSamples,
BuiltinType::kTextureSample,
BuiltinType::kTextureSampleBias,
BuiltinType::kTextureSampleCompare,
BuiltinType::kTextureSampleCompareLevel,
BuiltinType::kTextureSampleGrad,
BuiltinType::kTextureSampleLevel,
BuiltinType::kTextureSampleBaseClampToEdge,
BuiltinType::kTextureStore,
BuiltinType::kTextureLoad,
BuiltinType::kAtomicLoad,
BuiltinType::kAtomicStore,
BuiltinType::kAtomicAdd,
BuiltinType::kAtomicSub,
BuiltinType::kAtomicMax,
BuiltinType::kAtomicMin,
BuiltinType::kAtomicAnd,
BuiltinType::kAtomicOr,
BuiltinType::kAtomicXor,
BuiltinType::kAtomicExchange,
BuiltinType::kAtomicCompareExchangeWeak,
BuiltinType::kTintMaterialize,
};
} // namespace tint::sem
#endif // SRC_TINT_SEM_BUILTIN_TYPE_H_

7
src/tint/sem/builtin_type.h.tmpl
View File

@ -41,6 +41,13 @@ const char* str(BuiltinType i);
/// matches the name in the WGSL spec.
std::ostream& operator<<(std::ostream& out, BuiltinType i);
/// All builtin types
constexpr BuiltinType kBuiltinTypes[] = {
{{- range Sem.Builtins }}
BuiltinType::k{{PascalCase .Name}},
{{- end }}
};
} // namespace tint::sem
#endif // SRC_TINT_SEM_BUILTIN_TYPE_H_