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comparison: gfx/angle/src/compiler/InfoSink.h
gfx/angle/src/compiler/InfoSink.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:cbcf06b25d99 |
|---|---|
| 1 // | |
| 2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved. | |
| 3 // Use of this source code is governed by a BSD-style license that can be | |
| 4 // found in the LICENSE file. | |
| 5 // | |
| 6 | |
| 7 #ifndef _INFOSINK_INCLUDED_ | |
| 8 #define _INFOSINK_INCLUDED_ | |
| 9 | |
| 10 #include <math.h> | |
| 11 #include "compiler/Common.h" | |
| 12 | |
| 13 // Returns the fractional part of the given floating-point number. | |
| 14 inline float fractionalPart(float f) { | |
| 15 float intPart = 0.0f; | |
| 16 return modff(f, &intPart); | |
| 17 } | |
| 18 | |
| 19 // | |
| 20 // TPrefixType is used to centralize how info log messages start. | |
| 21 // See below. | |
| 22 // | |
| 23 enum TPrefixType { | |
| 24 EPrefixNone, | |
| 25 EPrefixWarning, | |
| 26 EPrefixError, | |
| 27 EPrefixInternalError, | |
| 28 EPrefixUnimplemented, | |
| 29 EPrefixNote | |
| 30 }; | |
| 31 | |
| 32 // | |
| 33 // Encapsulate info logs for all objects that have them. | |
| 34 // | |
| 35 // The methods are a general set of tools for getting a variety of | |
| 36 // messages and types inserted into the log. | |
| 37 // | |
| 38 class TInfoSinkBase { | |
| 39 public: | |
| 40 TInfoSinkBase() {} | |
| 41 | |
| 42 template <typename T> | |
| 43 TInfoSinkBase& operator<<(const T& t) { | |
| 44 TPersistStringStream stream; | |
| 45 stream << t; | |
| 46 sink.append(stream.str()); | |
| 47 return *this; | |
| 48 } | |
| 49 // Override << operator for specific types. It is faster to append strings | |
| 50 // and characters directly to the sink. | |
| 51 TInfoSinkBase& operator<<(char c) { | |
| 52 sink.append(1, c); | |
| 53 return *this; | |
| 54 } | |
| 55 TInfoSinkBase& operator<<(const char* str) { | |
| 56 sink.append(str); | |
| 57 return *this; | |
| 58 } | |
| 59 TInfoSinkBase& operator<<(const TPersistString& str) { | |
| 60 sink.append(str); | |
| 61 return *this; | |
| 62 } | |
| 63 TInfoSinkBase& operator<<(const TString& str) { | |
| 64 sink.append(str.c_str()); | |
| 65 return *this; | |
| 66 } | |
| 67 // Make sure floats are written with correct precision. | |
| 68 TInfoSinkBase& operator<<(float f) { | |
| 69 // Make sure that at least one decimal point is written. If a number | |
| 70 // does not have a fractional part, the default precision format does | |
| 71 // not write the decimal portion which gets interpreted as integer by | |
| 72 // the compiler. | |
| 73 TPersistStringStream stream; | |
| 74 if (fractionalPart(f) == 0.0f) { | |
| 75 stream.precision(1); | |
| 76 stream << std::showpoint << std::fixed << f; | |
| 77 } else { | |
| 78 stream.unsetf(std::ios::fixed); | |
| 79 stream.unsetf(std::ios::scientific); | |
| 80 stream.precision(8); | |
| 81 stream << f; | |
| 82 } | |
| 83 sink.append(stream.str()); | |
| 84 return *this; | |
| 85 } | |
| 86 // Write boolean values as their names instead of integral value. | |
| 87 TInfoSinkBase& operator<<(bool b) { | |
| 88 const char* str = b ? "true" : "false"; | |
| 89 sink.append(str); | |
| 90 return *this; | |
| 91 } | |
| 92 | |
| 93 void erase() { sink.clear(); } | |
| 94 int size() { return static_cast<int>(sink.size()); } | |
| 95 | |
| 96 const TPersistString& str() const { return sink; } | |
| 97 const char* c_str() const { return sink.c_str(); } | |
| 98 | |
| 99 void prefix(TPrefixType p); | |
| 100 void location(int file, int line); | |
| 101 void location(const TSourceLoc& loc); | |
| 102 void message(TPrefixType p, const TSourceLoc& loc, const char* m); | |
| 103 | |
| 104 private: | |
| 105 TPersistString sink; | |
| 106 }; | |
| 107 | |
| 108 class TInfoSink { | |
| 109 public: | |
| 110 TInfoSinkBase info; | |
| 111 TInfoSinkBase debug; | |
| 112 TInfoSinkBase obj; | |
| 113 }; | |
| 114 | |
| 115 #endif // _INFOSINK_INCLUDED_ |
