LCOV - code coverage report
Current view: directory - gfx/angle/src/compiler - InfoSink.h (source / functions) Found Hit Coverage
Test: app.info Lines: 35 0 0.0 %
Date: 2012-06-02 Functions: 14 0 0.0 %

       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               0 : inline float fractionalPart(float f) {
      15               0 :   float intPart = 0.0f;
      16               0 :   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               0 : class TInfoSinkBase {
      39                 : public:
      40               0 :     TInfoSinkBase() {}
      41                 : 
      42                 :     template <typename T>
      43               0 :     TInfoSinkBase& operator<<(const T& t) {
      44               0 :         TPersistStringStream stream;
      45               0 :         stream << t;
      46               0 :         sink.append(stream.str());
      47               0 :         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               0 :     TInfoSinkBase& operator<<(const char* str) {
      56               0 :         sink.append(str);
      57               0 :         return *this;
      58                 :     }
      59                 :     TInfoSinkBase& operator<<(const TPersistString& str) {
      60                 :         sink.append(str);
      61                 :         return *this;
      62                 :     }
      63               0 :     TInfoSinkBase& operator<<(const TString& str) {
      64               0 :         sink.append(str.c_str());
      65               0 :         return *this;
      66                 :     }
      67                 :     // Make sure floats are written with correct precision.
      68               0 :     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               0 :         TPersistStringStream stream;
      74               0 :         if (fractionalPart(f) == 0.0f) {
      75               0 :             stream.precision(1);
      76               0 :             stream << std::showpoint << std::fixed << f;
      77                 :         } else {
      78               0 :             stream.unsetf(std::ios::fixed);
      79               0 :             stream.unsetf(std::ios::scientific);
      80               0 :             stream.precision(8);
      81               0 :             stream << f;
      82                 :         }
      83               0 :         sink.append(stream.str());
      84               0 :         return *this;
      85                 :     }
      86                 :     // Write boolean values as their names instead of integral value.
      87               0 :     TInfoSinkBase& operator<<(bool b) {
      88               0 :         const char* str = b ? "true" : "false";
      89               0 :         sink.append(str);
      90               0 :         return *this;
      91                 :     }
      92                 : 
      93               0 :     void erase() { sink.clear(); }
      94               0 :     int size() { return static_cast<int>(sink.size()); }
      95                 : 
      96                 :     const TPersistString& str() const { return sink; }
      97               0 :     const char* c_str() const { return sink.c_str(); }
      98                 : 
      99                 :     void prefix(TPrefixType message);
     100                 :     void location(TSourceLoc loc);
     101                 :     void message(TPrefixType message, const char* s);
     102                 :     void message(TPrefixType message, const char* s, TSourceLoc loc);
     103                 : 
     104                 : private:
     105                 :     TPersistString sink;
     106                 : };
     107                 : 
     108               0 : class TInfoSink {
     109                 : public:
     110                 :     TInfoSinkBase info;
     111                 :     TInfoSinkBase debug;
     112                 :     TInfoSinkBase obj;
     113                 : };
     114                 : 
     115                 : #endif // _INFOSINK_INCLUDED_

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