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1 //===- subzero/src/IceBrowserCompileServer.h - Browser server ---*- C++ -*-===// | 1 //===- subzero/src/IceBrowserCompileServer.h - Browser server ---*- C++ -*-===// |
2 // | 2 // |
3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
4 // | 4 // |
5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 // | 9 // |
10 // This file declares the browser-specific compile server. | 10 // This file declares the browser-specific compile server. |
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32 // The browser variant of the compile server. | 32 // The browser variant of the compile server. |
33 // Compared to the commandline version, this version gets compile | 33 // Compared to the commandline version, this version gets compile |
34 // requests over IPC. Each compile request will have a slimmed down | 34 // requests over IPC. Each compile request will have a slimmed down |
35 // version of argc, argv while other flags are set to defaults that | 35 // version of argc, argv while other flags are set to defaults that |
36 // make sense in the browser case. The output file is specified via | 36 // make sense in the browser case. The output file is specified via |
37 // a posix FD, and input bytes are pushed to the server. | 37 // a posix FD, and input bytes are pushed to the server. |
38 class BrowserCompileServer : public CompileServer { | 38 class BrowserCompileServer : public CompileServer { |
39 BrowserCompileServer() = delete; | 39 BrowserCompileServer() = delete; |
40 BrowserCompileServer(const BrowserCompileServer &) = delete; | 40 BrowserCompileServer(const BrowserCompileServer &) = delete; |
41 BrowserCompileServer &operator=(const BrowserCompileServer &) = delete; | 41 BrowserCompileServer &operator=(const BrowserCompileServer &) = delete; |
| 42 class StringStream; |
42 | 43 |
43 public: | 44 public: |
44 explicit BrowserCompileServer(Compiler &Comp) | 45 explicit BrowserCompileServer(Compiler &Comp) |
45 : CompileServer(Comp), InputStream(nullptr) {} | 46 : CompileServer(Comp), InputStream(nullptr) {} |
46 | 47 |
47 ~BrowserCompileServer() final; | 48 ~BrowserCompileServer() final; |
48 | 49 |
49 void run() final; | 50 void run() final; |
50 | 51 |
51 // Parse and set up the flags for compile jobs. | 52 // Parse and set up the flags for compile jobs. |
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67 CompileThread.join(); | 68 CompileThread.join(); |
68 LastError.assign(Ctx->getErrorStatus()->value()); | 69 LastError.assign(Ctx->getErrorStatus()->value()); |
69 // Reset some state. The InputStream is deleted by the compiler | 70 // Reset some state. The InputStream is deleted by the compiler |
70 // so only reset this to nullptr. Free and flush the rest | 71 // so only reset this to nullptr. Free and flush the rest |
71 // of the streams. | 72 // of the streams. |
72 InputStream = nullptr; | 73 InputStream = nullptr; |
73 EmitStream.reset(nullptr); | 74 EmitStream.reset(nullptr); |
74 ELFStream.reset(nullptr); | 75 ELFStream.reset(nullptr); |
75 } | 76 } |
76 | 77 |
| 78 StringStream &getErrorStream() { |
| 79 return *ErrorStream; |
| 80 } |
| 81 |
77 private: | 82 private: |
| 83 class StringStream { |
| 84 public: |
| 85 StringStream() : StrBuf(Buffer) {} |
| 86 const IceString &getContents() { return StrBuf.str(); } |
| 87 Ostream &getStream() { return StrBuf; } |
| 88 private: |
| 89 std::string Buffer; |
| 90 llvm::raw_string_ostream StrBuf; |
| 91 }; |
78 // This currently only handles a single compile request, hence one copy | 92 // This currently only handles a single compile request, hence one copy |
79 // of the state. | 93 // of the state. |
80 std::unique_ptr<GlobalContext> Ctx; | 94 std::unique_ptr<GlobalContext> Ctx; |
81 // A borrowed reference to the current InputStream. The compiler owns | 95 // A borrowed reference to the current InputStream. The compiler owns |
82 // the actual reference so the server must be careful not to access | 96 // the actual reference so the server must be careful not to access |
83 // after the compiler is done. | 97 // after the compiler is done. |
84 llvm::QueueStreamer *InputStream; | 98 llvm::QueueStreamer *InputStream; |
85 std::unique_ptr<Ostream> LogStream; | 99 std::unique_ptr<Ostream> LogStream; |
86 std::unique_ptr<llvm::raw_fd_ostream> EmitStream; | 100 std::unique_ptr<llvm::raw_fd_ostream> EmitStream; |
| 101 std::unique_ptr<StringStream> ErrorStream; |
87 std::unique_ptr<ELFStreamer> ELFStream; | 102 std::unique_ptr<ELFStreamer> ELFStream; |
88 ClFlags Flags; | 103 ClFlags Flags; |
89 ClFlagsExtra ExtraFlags; | 104 ClFlagsExtra ExtraFlags; |
90 std::thread CompileThread; | 105 std::thread CompileThread; |
91 }; | 106 }; |
92 | 107 |
93 } // end of namespace Ice | 108 } // end of namespace Ice |
94 | 109 |
95 #endif // SUBZERO_SRC_ICEBROWSERCOMPILESERVER_H | 110 #endif // SUBZERO_SRC_ICEBROWSERCOMPILESERVER_H |
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