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// Copyright 2021 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/wgsl/ast/module.h"
#include <utility>
#include "src/tint/lang/wgsl/ast/builder.h"
#include "src/tint/lang/wgsl/ast/clone_context.h"
#include "src/tint/lang/wgsl/ast/type_decl.h"
#include "src/tint/utils/rtti/switch.h"
TINT_INSTANTIATE_TYPEINFO(tint::ast::Module);
namespace tint::ast {
Module::Module(GenerationID pid, NodeID nid, const Source& src) : Base(pid, nid, src) {}
Module::Module(GenerationID pid, NodeID nid, const Source& src, VectorRef<const Node*> global_decls)
: Base(pid, nid, src), global_declarations_(std::move(global_decls)) {
for (auto* decl : global_declarations_) {
if (decl == nullptr) {
continue;
}
BinGlobalDeclaration(decl);
}
}
Module::~Module() = default;
const TypeDecl* Module::LookupType(Symbol name) const {
for (auto* ty : TypeDecls()) {
if (ty->name->symbol == name) {
return ty;
}
}
return nullptr;
}
void Module::AddGlobalDeclaration(const tint::ast::Node* decl) {
BinGlobalDeclaration(decl);
global_declarations_.Push(decl);
}
void Module::BinGlobalDeclaration(const tint::ast::Node* decl) {
Switch(
decl, //
[&](const TypeDecl* type) {
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(type, generation_id);
type_decls_.Push(type);
},
[&](const Function* func) {
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(func, generation_id);
functions_.Push(func);
},
[&](const Variable* var) {
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(var, generation_id);
global_variables_.Push(var);
},
[&](const DiagnosticDirective* diagnostic) {
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(diagnostic, generation_id);
diagnostic_directives_.Push(diagnostic);
},
[&](const Enable* enable) {
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(enable, generation_id);
enables_.Push(enable);
},
[&](const ast::Requires* req) {
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(req, generation_id);
requires_.Push(req);
},
[&](const ConstAssert* assertion) {
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(assertion, generation_id);
const_asserts_.Push(assertion);
}, //
TINT_ICE_ON_NO_MATCH);
}
void Module::AddDiagnosticDirective(const DiagnosticDirective* directive) {
TINT_ASSERT(directive);
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(directive, generation_id);
global_declarations_.Push(directive);
diagnostic_directives_.Push(directive);
}
void Module::AddEnable(const Enable* enable) {
TINT_ASSERT(enable);
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(enable, generation_id);
global_declarations_.Push(enable);
enables_.Push(enable);
}
void Module::AddRequires(const ast::Requires* req) {
TINT_ASSERT(req);
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(req, generation_id);
global_declarations_.Push(req);
requires_.Push(req);
}
void Module::AddGlobalVariable(const Variable* var) {
TINT_ASSERT(var);
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(var, generation_id);
global_variables_.Push(var);
global_declarations_.Push(var);
}
void Module::AddConstAssert(const ConstAssert* assertion) {
TINT_ASSERT(assertion);
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(assertion, generation_id);
const_asserts_.Push(assertion);
global_declarations_.Push(assertion);
}
void Module::AddTypeDecl(const TypeDecl* type) {
TINT_ASSERT(type);
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(type, generation_id);
type_decls_.Push(type);
global_declarations_.Push(type);
}
void Module::AddFunction(const Function* func) {
TINT_ASSERT(func);
TINT_ASSERT_GENERATION_IDS_EQUAL_IF_VALID(func, generation_id);
functions_.Push(func);
global_declarations_.Push(func);
}
bool Module::HasOverrides() const {
for (auto* var : global_variables_) {
if (var->As<ast::Override>()) {
return true;
}
}
return false;
}
const Module* Module::Clone(CloneContext& ctx) const {
auto* out = ctx.dst->create<Module>();
out->Copy(ctx, this);
return out;
}
void Module::Copy(CloneContext& ctx, const Module* src) {
ctx.Clone(global_declarations_, src->global_declarations_);
// During the clone, declarations may have been placed into the module.
// Clear everything out, as we're about to re-bin the declarations.
type_decls_.Clear();
functions_.Clear();
global_variables_.Clear();
enables_.Clear();
diagnostic_directives_.Clear();
for (auto* decl : global_declarations_) {
if (TINT_UNLIKELY(!decl)) {
TINT_ICE() << "src global declaration was nullptr";
continue;
}
BinGlobalDeclaration(decl);
}
}
} // namespace tint::ast