kc3-lang/angle/src/compiler/Common.h

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• Hash : acc51130
  Author :
  Date : 2010-03-17T13:12:17
  

  mv Compiler/* -> src/compiler/*
  Trac #11406
  Signed-off-by: Nicolas Capens
  
  git-svn-id: https://angleproject.googlecode.com/svn/trunk@37 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/compiler/Common.h

• //
  // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  #ifndef _COMMON_INCLUDED_
  #define _COMMON_INCLUDED_
  
  #ifdef _WIN32
      #include <basetsd.h>
  #elif defined (solaris)
      #include <sys/int_types.h>
      #define UINT_PTR uintptr_t
  #else
      #include <stdint.h>
      #define UINT_PTR uintptr_t
  #endif
  
  /* windows only pragma */
  #ifdef _MSC_VER
      #pragma warning(disable : 4786) // Don't warn about too long identifiers
      #pragma warning(disable : 4514) // unused inline method
      #pragma warning(disable : 4201) // nameless union
  #endif
  
  //
  // Doing the push and pop below for warnings does not leave the warning state
  // the way it was.  This seems like a defect in the compiler.  We would like
  // to do this, but since it does not work correctly right now, it is turned
  // off.
  //
  //??#pragma warning(push, 3)
  
  	#include <set>
      #include <vector>
      #include <map>
      #include <list>
      #include <string>
      #include <stdio.h>
  
  //??#pragma warning(pop)
  
  typedef int TSourceLoc;
  
  	#include <assert.h>
  
  #include "PoolAlloc.h"
  
  //
  // Put POOL_ALLOCATOR_NEW_DELETE in base classes to make them use this scheme.
  //
  #define POOL_ALLOCATOR_NEW_DELETE(A)                                  \
      void* operator new(size_t s) { return (A).allocate(s); }          \
      void* operator new(size_t, void *_Where) { return (_Where);	}     \
      void operator delete(void*) { }                                   \
      void operator delete(void *, void *) { }                          \
      void* operator new[](size_t s) { return (A).allocate(s); }        \
      void* operator new[](size_t, void *_Where) { return (_Where);	} \
      void operator delete[](void*) { }                                 \
      void operator delete[](void *, void *) { }
  
  #define TBaseMap std::map
  #define TBaseList std::list
  #define TBaseSet std::set
  
  //
  // Pool version of string.
  //
  typedef pool_allocator<char> TStringAllocator;
  typedef std::basic_string <char, std::char_traits<char>, TStringAllocator > TString;
  inline TString* NewPoolTString(const char* s)
  {
  	void* memory = GlobalPoolAllocator.allocate(sizeof(TString));
  	return new(memory) TString(s);
  }
  
  //
  // Pool allocator versions of vectors, lists, and maps
  //
  template <class T> class TVector : public std::vector<T, pool_allocator<T> > {
  public:
      typedef typename std::vector<T, pool_allocator<T> >::size_type size_type;
      TVector() : std::vector<T, pool_allocator<T> >() {}
      TVector(const pool_allocator<T>& a) : std::vector<T, pool_allocator<T> >(a) {}
      TVector(size_type i): std::vector<T, pool_allocator<T> >(i) {}
  };
  
  template <class T> class TList   : public TBaseList  <T, pool_allocator<T> > {
  public:
      typedef typename TBaseList<T, pool_allocator<T> >::size_type size_type;
      TList() : TBaseList<T, pool_allocator<T> >() {}
      TList(const pool_allocator<T>& a) : TBaseList<T, pool_allocator<T> >(a) {}
      TList(size_type i): TBaseList<T, pool_allocator<T> >(i) {}
  };
  
  // This is called TStlSet, because TSet is taken by an existing compiler class.
  template <class T, class CMP> class TStlSet : public std::set<T, CMP, pool_allocator<T> > {
      // No pool allocator versions of constructors in std::set.
  };
  
  
  template <class K, class D, class CMP = std::less<K> > 
  class TMap : public TBaseMap<K, D, CMP, pool_allocator<std::pair<K, D> > > {
  public:
      typedef pool_allocator<std::pair <K, D> > tAllocator;
  
      TMap() : TBaseMap<K, D, CMP, tAllocator >() {}
      // use correct two-stage name lookup supported in gcc 3.4 and above
      TMap(const tAllocator& a) : TBaseMap<K, D, CMP, tAllocator>(TBaseMap<K, D, CMP, tAllocator >::key_compare(), a) {}
  };
  
  //
  // Persistent string memory.  Should only be used for strings that survive
  // across compiles/links.
  //
  typedef std::basic_string<char> TPersistString;
  
  //
  // templatized min and max functions.
  //
  template <class T> T Min(const T a, const T b) { return a < b ? a : b; }
  template <class T> T Max(const T a, const T b) { return a > b ? a : b; }
  
  //
  // Create a TString object from an integer.
  //
  inline const TString String(const int i, const int base = 10)
  {
      char text[16];     // 32 bit ints are at most 10 digits in base 10
      
      #ifdef _WIN32
          _itoa(i, text, base);
      #else
          // we assume base 10 for all cases
          sprintf(text, "%d", i);
      #endif
  
      return text;
  }
  
  const unsigned int SourceLocLineMask = 0xffff;
  const unsigned int SourceLocStringShift = 16;
  
  __inline TPersistString FormatSourceLoc(const TSourceLoc loc)
  {
      char locText[64];
  
      int string = loc >> SourceLocStringShift;
      int line = loc & SourceLocLineMask;
  
      if (line)
          sprintf(locText, "%d:%d", string, line);
      else
          sprintf(locText, "%d:? ", string);
  
      return TPersistString(locText);
  }
  
  
  typedef TMap<TString, TString> TPragmaTable;
  typedef TMap<TString, TString>::tAllocator TPragmaTableAllocator;
  
  #endif // _COMMON_INCLUDED_
  

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