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
15 #include "compiler/PoolAlloc.h"
16
17 struct TSourceLoc {
18 int first_file;
19 int first_line;
20 int last_file;
21 int last_line;
22 };
23
24 //
25 // Put POOL_ALLOCATOR_NEW_DELETE in base classes to make them use this scheme.
26 //
27 #define POOL_ALLOCATOR_NEW_DELETE() \
28 void* operator new(size_t s) { return GetGlobalPoolAllocator()->allocate(s); } \
29 void* operator new(size_t, void *_Where) { return (_Where); } \
30 void operator delete(void*) { } \
31 void operator delete(void *, void *) { } \
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
37 //
38 // Pool version of string.
39 //
40 typedef pool_allocator<char> TStringAllocator;
41 typedef std::basic_string <char, std::char_traits<char>, TStringAllocator> TString;
42 typedef std::basic_ostringstream<char, std::char_traits<char>, TStringAllocator> TStringStream;
NewPoolTString(const char * s)43 inline TString* NewPoolTString(const char* s)
44 {
45 void* memory = GetGlobalPoolAllocator()->allocate(sizeof(TString));
46 return new(memory) TString(s);
47 }
48
49 //
50 // Persistent string memory. Should only be used for strings that survive
51 // across compiles.
52 //
53 #define TPersistString std::string
54 #define TPersistStringStream std::ostringstream
55
56 //
57 // Pool allocator versions of vectors, lists, and maps
58 //
59 template <class T> class TVector : public std::vector<T, pool_allocator<T> > {
60 public:
61 typedef typename std::vector<T, pool_allocator<T> >::size_type size_type;
TVector()62 TVector() : std::vector<T, pool_allocator<T> >() {}
TVector(const pool_allocator<T> & a)63 TVector(const pool_allocator<T>& a) : std::vector<T, pool_allocator<T> >(a) {}
TVector(size_type i)64 TVector(size_type i): std::vector<T, pool_allocator<T> >(i) {}
65 };
66
67 template <class K, class D, class CMP = std::less<K> >
68 class TMap : public std::map<K, D, CMP, pool_allocator<std::pair<const K, D> > > {
69 public:
70 typedef pool_allocator<std::pair<const K, D> > tAllocator;
71
TMap()72 TMap() : std::map<K, D, CMP, tAllocator>() {}
73 // use correct two-stage name lookup supported in gcc 3.4 and above
TMap(const tAllocator & a)74 TMap(const tAllocator& a) : std::map<K, D, CMP, tAllocator>(std::map<K, D, CMP, tAllocator>::key_compare(), a) {}
75 };
76
77 #endif // _COMMON_INCLUDED_
78