123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566 |
- /*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #ifndef SKSL_SYMBOLTABLE
- #define SKSL_SYMBOLTABLE
- #include <unordered_map>
- #include <memory>
- #include <vector>
- #include "src/sksl/SkSLErrorReporter.h"
- #include "src/sksl/ir/SkSLSymbol.h"
- namespace SkSL {
- struct FunctionDeclaration;
- /**
- * Maps identifiers to symbols. Functions, in particular, are mapped to either FunctionDeclaration
- * or UnresolvedFunction depending on whether they are overloaded or not.
- */
- class SymbolTable {
- public:
- SymbolTable(ErrorReporter* errorReporter)
- : fErrorReporter(*errorReporter) {}
- SymbolTable(std::shared_ptr<SymbolTable> parent, ErrorReporter* errorReporter)
- : fParent(parent)
- , fErrorReporter(*errorReporter) {}
- const Symbol* operator[](StringFragment name);
- void add(StringFragment name, std::unique_ptr<Symbol> symbol);
- void addWithoutOwnership(StringFragment name, const Symbol* symbol);
- Symbol* takeOwnership(std::unique_ptr<Symbol> s);
- IRNode* takeOwnership(std::unique_ptr<IRNode> n);
- void markAllFunctionsBuiltin();
- std::unordered_map<StringFragment, const Symbol*>::iterator begin();
- std::unordered_map<StringFragment, const Symbol*>::iterator end();
- const std::shared_ptr<SymbolTable> fParent;
- private:
- static std::vector<const FunctionDeclaration*> GetFunctions(const Symbol& s);
- std::vector<std::unique_ptr<Symbol>> fOwnedSymbols;
- std::vector<std::unique_ptr<IRNode>> fOwnedNodes;
- std::unordered_map<StringFragment, const Symbol*> fSymbols;
- ErrorReporter& fErrorReporter;
- };
- } // namespace
- #endif
|