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 COMPILER_TRANSLATOR_COMMON_H_
8#define COMPILER_TRANSLATOR_COMMON_H_
9
10#include <map>
11#include <sstream>
12#include <string>
13#include <vector>
14#include <limits>
15#include <stdio.h>
16
17#include "common/angleutils.h"
18#include "common/debug.h"
19#include "compiler/translator/PoolAlloc.h"
20
21struct 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//
44typedef pool_allocator<char> TStringAllocator;
45typedef std::basic_string <char, std::char_traits<char>, TStringAllocator> TString;
46typedef std::basic_ostringstream<char, std::char_traits<char>, TStringAllocator> TStringStream;
47inline 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//
63template <class T> class TVector : public std::vector<T, pool_allocator<T> > {
64public:
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
71template <class K, class D, class CMP = std::less<K> >
72class TMap : public std::map<K, D, CMP, pool_allocator<std::pair<const K, D> > > {
73public:
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
82template <typename T>
83inline 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 // COMPILER_TRANSLATOR_COMMON_H_
93