1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/compiler/InfoSink.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,115 @@
1.4 +//
1.5 +// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +#ifndef _INFOSINK_INCLUDED_
1.11 +#define _INFOSINK_INCLUDED_
1.12 +
1.13 +#include <math.h>
1.14 +#include "compiler/Common.h"
1.15 +
1.16 +// Returns the fractional part of the given floating-point number.
1.17 +inline float fractionalPart(float f) {
1.18 + float intPart = 0.0f;
1.19 + return modff(f, &intPart);
1.20 +}
1.21 +
1.22 +//
1.23 +// TPrefixType is used to centralize how info log messages start.
1.24 +// See below.
1.25 +//
1.26 +enum TPrefixType {
1.27 + EPrefixNone,
1.28 + EPrefixWarning,
1.29 + EPrefixError,
1.30 + EPrefixInternalError,
1.31 + EPrefixUnimplemented,
1.32 + EPrefixNote
1.33 +};
1.34 +
1.35 +//
1.36 +// Encapsulate info logs for all objects that have them.
1.37 +//
1.38 +// The methods are a general set of tools for getting a variety of
1.39 +// messages and types inserted into the log.
1.40 +//
1.41 +class TInfoSinkBase {
1.42 +public:
1.43 + TInfoSinkBase() {}
1.44 +
1.45 + template <typename T>
1.46 + TInfoSinkBase& operator<<(const T& t) {
1.47 + TPersistStringStream stream;
1.48 + stream << t;
1.49 + sink.append(stream.str());
1.50 + return *this;
1.51 + }
1.52 + // Override << operator for specific types. It is faster to append strings
1.53 + // and characters directly to the sink.
1.54 + TInfoSinkBase& operator<<(char c) {
1.55 + sink.append(1, c);
1.56 + return *this;
1.57 + }
1.58 + TInfoSinkBase& operator<<(const char* str) {
1.59 + sink.append(str);
1.60 + return *this;
1.61 + }
1.62 + TInfoSinkBase& operator<<(const TPersistString& str) {
1.63 + sink.append(str);
1.64 + return *this;
1.65 + }
1.66 + TInfoSinkBase& operator<<(const TString& str) {
1.67 + sink.append(str.c_str());
1.68 + return *this;
1.69 + }
1.70 + // Make sure floats are written with correct precision.
1.71 + TInfoSinkBase& operator<<(float f) {
1.72 + // Make sure that at least one decimal point is written. If a number
1.73 + // does not have a fractional part, the default precision format does
1.74 + // not write the decimal portion which gets interpreted as integer by
1.75 + // the compiler.
1.76 + TPersistStringStream stream;
1.77 + if (fractionalPart(f) == 0.0f) {
1.78 + stream.precision(1);
1.79 + stream << std::showpoint << std::fixed << f;
1.80 + } else {
1.81 + stream.unsetf(std::ios::fixed);
1.82 + stream.unsetf(std::ios::scientific);
1.83 + stream.precision(8);
1.84 + stream << f;
1.85 + }
1.86 + sink.append(stream.str());
1.87 + return *this;
1.88 + }
1.89 + // Write boolean values as their names instead of integral value.
1.90 + TInfoSinkBase& operator<<(bool b) {
1.91 + const char* str = b ? "true" : "false";
1.92 + sink.append(str);
1.93 + return *this;
1.94 + }
1.95 +
1.96 + void erase() { sink.clear(); }
1.97 + int size() { return static_cast<int>(sink.size()); }
1.98 +
1.99 + const TPersistString& str() const { return sink; }
1.100 + const char* c_str() const { return sink.c_str(); }
1.101 +
1.102 + void prefix(TPrefixType p);
1.103 + void location(int file, int line);
1.104 + void location(const TSourceLoc& loc);
1.105 + void message(TPrefixType p, const TSourceLoc& loc, const char* m);
1.106 +
1.107 +private:
1.108 + TPersistString sink;
1.109 +};
1.110 +
1.111 +class TInfoSink {
1.112 +public:
1.113 + TInfoSinkBase info;
1.114 + TInfoSinkBase debug;
1.115 + TInfoSinkBase obj;
1.116 +};
1.117 +
1.118 +#endif // _INFOSINK_INCLUDED_
