mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-06-05 06:03:34 +00:00
5585f0789c
Generates a new unnamed symbol. Useful for creating temporaries in transforms. Change-Id: I3aa037e4a6b2d400f24e01bbb3555af68da26748 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/41480 Reviewed-by: dan sinclair <dsinclair@chromium.org> Commit-Queue: Ben Clayton <bclayton@google.com>
67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
// 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/symbol_table.h"
|
|
|
|
namespace tint {
|
|
|
|
SymbolTable::SymbolTable() = default;
|
|
|
|
SymbolTable::SymbolTable(const SymbolTable&) = default;
|
|
|
|
SymbolTable::SymbolTable(SymbolTable&&) = default;
|
|
|
|
SymbolTable::~SymbolTable() = default;
|
|
|
|
SymbolTable& SymbolTable::operator=(const SymbolTable& other) = default;
|
|
|
|
SymbolTable& SymbolTable::operator=(SymbolTable&&) = default;
|
|
|
|
Symbol SymbolTable::Register(const std::string& name) {
|
|
if (name == "")
|
|
return Symbol();
|
|
|
|
auto it = name_to_symbol_.find(name);
|
|
if (it != name_to_symbol_.end())
|
|
return it->second;
|
|
|
|
Symbol sym(next_symbol_);
|
|
++next_symbol_;
|
|
|
|
name_to_symbol_[name] = sym;
|
|
symbol_to_name_[sym] = name;
|
|
|
|
return sym;
|
|
}
|
|
|
|
Symbol SymbolTable::Get(const std::string& name) const {
|
|
auto it = name_to_symbol_.find(name);
|
|
return it != name_to_symbol_.end() ? it->second : Symbol();
|
|
}
|
|
|
|
std::string SymbolTable::NameFor(const Symbol symbol) const {
|
|
auto it = symbol_to_name_.find(symbol);
|
|
if (it == symbol_to_name_.end()) {
|
|
return symbol.to_str();
|
|
}
|
|
|
|
return it->second;
|
|
}
|
|
|
|
Symbol SymbolTable::New() {
|
|
return Symbol(next_symbol_++);
|
|
}
|
|
|
|
} // namespace tint
|