| // Copyright 2020 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/tint/ast/function.h" |
| |
| #include "src/tint/ast/stage_attribute.h" |
| #include "src/tint/ast/workgroup_attribute.h" |
| #include "src/tint/program_builder.h" |
| |
| TINT_INSTANTIATE_TYPEINFO(tint::ast::Function); |
| |
| namespace tint::ast { |
| |
| Function::Function(ProgramID pid, |
| NodeID nid, |
| const Source& src, |
| Symbol sym, |
| ParameterList parameters, |
| const Type* return_ty, |
| const BlockStatement* b, |
| AttributeList attrs, |
| AttributeList return_type_attrs) |
| : Base(pid, nid, src), |
| symbol(sym), |
| params(std::move(parameters)), |
| return_type(return_ty), |
| body(b), |
| attributes(std::move(attrs)), |
| return_type_attributes(std::move(return_type_attrs)) { |
| TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, symbol, program_id); |
| TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, body, program_id); |
| for (auto* param : params) { |
| TINT_ASSERT(AST, tint::Is<Parameter>(param)); |
| TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, param, program_id); |
| } |
| TINT_ASSERT(AST, symbol.IsValid()); |
| TINT_ASSERT(AST, return_type); |
| for (auto* attr : attributes) { |
| TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, attr, program_id); |
| } |
| for (auto* attr : return_type_attributes) { |
| TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, attr, program_id); |
| } |
| } |
| |
| Function::Function(Function&&) = default; |
| |
| Function::~Function() = default; |
| |
| PipelineStage Function::PipelineStage() const { |
| if (auto* stage = GetAttribute<StageAttribute>(attributes)) { |
| return stage->stage; |
| } |
| return PipelineStage::kNone; |
| } |
| |
| const Function* Function::Clone(CloneContext* ctx) const { |
| // Clone arguments outside of create() call to have deterministic ordering |
| auto src = ctx->Clone(source); |
| auto sym = ctx->Clone(symbol); |
| auto p = ctx->Clone(params); |
| auto* ret = ctx->Clone(return_type); |
| auto* b = ctx->Clone(body); |
| auto attrs = ctx->Clone(attributes); |
| auto ret_attrs = ctx->Clone(return_type_attributes); |
| return ctx->dst->create<Function>(src, sym, p, ret, b, attrs, ret_attrs); |
| } |
| |
| const Function* FunctionList::Find(Symbol sym) const { |
| for (auto* func : *this) { |
| if (func->symbol == sym) { |
| return func; |
| } |
| } |
| return nullptr; |
| } |
| |
| const Function* FunctionList::Find(Symbol sym, PipelineStage stage) const { |
| for (auto* func : *this) { |
| if (func->symbol == sym && func->PipelineStage() == stage) { |
| return func; |
| } |
| } |
| return nullptr; |
| } |
| |
| bool FunctionList::HasStage(ast::PipelineStage stage) const { |
| for (auto* func : *this) { |
| if (func->PipelineStage() == stage) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| } // namespace tint::ast |