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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SKSL_SYMBOLTABLE | 8 #ifndef SKSL_SYMBOLTABLE |
9 #define SKSL_SYMBOLTABLE | 9 #define SKSL_SYMBOLTABLE |
10 | 10 |
11 #include <memory> | 11 #include <memory> |
12 #include <unordered_map> | 12 #include <unordered_map> |
13 #include <vector> | |
14 #include "SkSLErrorReporter.h" | 13 #include "SkSLErrorReporter.h" |
15 #include "SkSLSymbol.h" | 14 #include "SkSLSymbol.h" |
| 15 #include "SkSLUnresolvedFunction.h" |
16 | 16 |
17 namespace SkSL { | 17 namespace SkSL { |
18 | 18 |
19 struct FunctionDeclaration; | |
20 | |
21 /** | 19 /** |
22 * Maps identifiers to symbols. Functions, in particular, are mapped to either F
unctionDeclaration | 20 * Maps identifiers to symbols. Functions, in particular, are mapped to either F
unctionDeclaration |
23 * or UnresolvedFunction depending on whether they are overloaded or not. | 21 * or UnresolvedFunction depending on whether they are overloaded or not. |
24 */ | 22 */ |
25 class SymbolTable { | 23 class SymbolTable { |
26 public: | 24 public: |
27 SymbolTable(ErrorReporter& errorReporter) | 25 SymbolTable(ErrorReporter& errorReporter) |
28 : fErrorReporter(errorReporter) {} | 26 : fErrorReporter(errorReporter) {} |
29 | 27 |
30 SymbolTable(std::shared_ptr<SymbolTable> parent, ErrorReporter& errorReporte
r) | 28 SymbolTable(std::shared_ptr<SymbolTable> parent, ErrorReporter& errorReporte
r) |
31 : fParent(parent) | 29 : fParent(parent) |
32 , fErrorReporter(errorReporter) {} | 30 , fErrorReporter(errorReporter) {} |
33 | 31 |
34 const Symbol* operator[](const std::string& name); | 32 std::shared_ptr<Symbol> operator[](const std::string& name); |
35 | 33 |
36 void add(const std::string& name, std::unique_ptr<Symbol> symbol); | 34 void add(const std::string& name, std::shared_ptr<Symbol> symbol); |
37 | |
38 void addWithoutOwnership(const std::string& name, const Symbol* symbol); | |
39 | |
40 Symbol* takeOwnership(Symbol* s); | |
41 | 35 |
42 const std::shared_ptr<SymbolTable> fParent; | 36 const std::shared_ptr<SymbolTable> fParent; |
43 | 37 |
44 private: | 38 private: |
45 static std::vector<const FunctionDeclaration*> GetFunctions(const Symbol& s)
; | 39 static std::vector<std::shared_ptr<FunctionDeclaration>> GetFunctions( |
| 40 const std::sha
red_ptr<Symbol>& s); |
46 | 41 |
47 std::vector<std::unique_ptr<Symbol>> fOwnedPointers; | 42 std::unordered_map<std::string, std::shared_ptr<Symbol>> fSymbols; |
48 | |
49 std::unordered_map<std::string, const Symbol*> fSymbols; | |
50 | 43 |
51 ErrorReporter& fErrorReporter; | 44 ErrorReporter& fErrorReporter; |
52 }; | 45 }; |
53 | 46 |
54 } // namespace | 47 } // namespace |
55 | 48 |
56 #endif | 49 #endif |
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