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