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 _COMMON_INCLUDED_ 8 #define _COMMON_INCLUDED_ 9 10 #include <map> 11 #include <sstream> 12 #include <string> 13 #include <vector> 14 #include <limits> 15 #include <stdio.h> 16 17 #include "compiler/translator/PoolAlloc.h" 18 #include "compiler/translator/compilerdebug.h" 19 #include "common/angleutils.h" 20 21 struct TSourceLoc { 22 int first_file; 23 int first_line; 24 int last_file; 25 int last_line; 26 }; 27 28 // 29 // Put POOL_ALLOCATOR_NEW_DELETE in base classes to make them use this scheme. 30 // 31 #define POOL_ALLOCATOR_NEW_DELETE() \ 32 void* operator new(size_t s) { return GetGlobalPoolAllocator()->allocate(s); } \ 33 void* operator new(size_t, void *_Where) { return (_Where); } \ 34 void operator delete(void*) { } \ 35 void operator delete(void *, void *) { } \ 36 void* operator new[](size_t s) { return GetGlobalPoolAllocator()->allocate(s); } \ 37 void* operator new[](size_t, void *_Where) { return (_Where); } \ 38 void operator delete[](void*) { } \ 39 void operator delete[](void *, void *) { } 40 41 // 42 // Pool version of string. 43 // 44 typedef pool_allocator<char> TStringAllocator; 45 typedef std::basic_string <char, std::char_traits<char>, TStringAllocator> TString; 46 typedef std::basic_ostringstream<char, std::char_traits<char>, TStringAllocator> TStringStream; 47 inline TString* NewPoolTString(const char* s) 48 { 49 void* memory = GetGlobalPoolAllocator()->allocate(sizeof(TString)); 50 return new(memory) TString(s); 51 } 52 53 // 54 // Persistent string memory. Should only be used for strings that survive 55 // across compiles. 56 // 57 #define TPersistString std::string 58 #define TPersistStringStream std::ostringstream 59 60 // 61 // Pool allocator versions of vectors, lists, and maps 62 // 63 template <class T> class TVector : public std::vector<T, pool_allocator<T> > { 64 public: 65 typedef typename std::vector<T, pool_allocator<T> >::size_type size_type; 66 TVector() : std::vector<T, pool_allocator<T> >() {} 67 TVector(const pool_allocator<T>& a) : std::vector<T, pool_allocator<T> >(a) {} 68 TVector(size_type i): std::vector<T, pool_allocator<T> >(i) {} 69 }; 70 71 template <class K, class D, class CMP = std::less<K> > 72 class TMap : public std::map<K, D, CMP, pool_allocator<std::pair<const K, D> > > { 73 public: 74 typedef pool_allocator<std::pair<const K, D> > tAllocator; 75 76 TMap() : std::map<K, D, CMP, tAllocator>() {} 77 // use correct two-stage name lookup supported in gcc 3.4 and above 78 TMap(const tAllocator& a) : std::map<K, D, CMP, tAllocator>(std::map<K, D, CMP, tAllocator>::key_compare(), a) {} 79 }; 80 81 // Integer to TString conversion 82 template <typename T> 83 inline TString str(T i) 84 { 85 ASSERT(std::numeric_limits<T>::is_integer); 86 char buffer[((8 * sizeof(T)) / 3) + 3]; 87 const char *formatStr = std::numeric_limits<T>::is_signed ? "%d" : "%u"; 88 snprintf(buffer, sizeof(buffer), formatStr, i); 89 return buffer; 90 } 91 92 #endif // _COMMON_INCLUDED_ 93
