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Comparing cvsroot/libcpjit/cpjit.h.in (file contents):
Revision 1.2 by root, Fri Oct 14 23:40:24 2005 UTC vs.
Revision 1.3 by root, Mon Oct 17 18:27:05 2005 UTC

… …
23*/ 23*/
24 24
25#include <string> 25#include <string>
26#include <sstream> 26#include <sstream>
27#include <map> 27#include <map>
28#include <set>
28#include <vector> 29#include <vector>
29 30
30#include <inttypes.h> 31#include <inttypes.h>
31 32
32namespace cpjit 33namespace cpjit
33{ 34{
34 35
35#define CPJIT_MAX_ARGS «$max_args» 36#define CPJIT_MAX_ARGS «$max_args»
36#define CPJIT_NULLID "" 37#define CPJIT_NULLID ""
37
38// environment for persistent or temporary storage
39struct env
40{
41 std::string path, idxpath;
42 bool temporary;
43 int idxfd;
44 long idxstamp;
45 int nextid;
46
47 void dolock (bool lock);
48 void lock ();
49 void unlock ();
50
51 bool load_index ();
52 void save_index ();
53
54 std::map<std::string, std::string> id2file; // id to object/sofile mapping (or empty)
55 std::map<std::string, void *> file2so; // file to loaded so handle
56 std::vector< std::pair<std::string, std::string> > fragments; // not-yet-compiled sources
57
58 void register_fragment (const std::string &id, const std::string &source);
59 void *dlsym (const std::string &id, const char *symbol);
60 void *sym (const std::string &id, const char *symbol);
61
62public:
63 env (const std::string &path = CPJIT_NULLID, bool temporary = false);
64 ~env ();
65
66 // compact all fragments && invalidate ALL pointers
67 void compact ();
68 // completely delete the environment on disk
69 void clear ();
70};
71
72struct fun
73{
74 env &e;
75 std::string id;
76 void *funptr;
77
78 fun (env &e, const std::string &id, const std::string &source);
79
80 // is compiled function available?
81 bool compiled ()
82 {
83 return funptr;
84 }
85
86 // returns the function pointer
87 void *ptr ();
88};
89
90struct funbuild : std::ostringstream
91{
92 env &e;
93 std::string retlist, arglist;
94
95 funbuild (env &e, const char *rettype, ...);
96 void finish (std::string &id, std::string &source);
97};
98 38
99typedef unsigned char U8; 39typedef unsigned char U8;
100typedef signed char I8; 40typedef signed char I8;
101typedef uint16_t U16; 41typedef uint16_t U16;
102typedef int16_t I16; 42typedef int16_t I16;
… …
130template<> struct typestr<I32 *> { static const char str[]; }; 70template<> struct typestr<I32 *> { static const char str[]; };
131template<> struct typestr<I64 *> { static const char str[]; }; 71template<> struct typestr<I64 *> { static const char str[]; };
132template<> struct typestr<FLT *> { static const char str[]; }; 72template<> struct typestr<FLT *> { static const char str[]; };
133template<> struct typestr<DBL *> { static const char str[]; }; 73template<> struct typestr<DBL *> { static const char str[]; };
134 74
135«repeat» 75typedef std::string funid;
136template<typename R«, typename A$_|»> 76
137struct fun«$_» : fun 77 // the source of a function
78struct funsrc {
79 funid id; // the unique id (md5 of source)
80
81 std::set<std::string> hdrlist; // any unique headers
82
83 std::string retlist; // the return type
84 std::string arglist; // the argument declaration
85 std::string body; // the function body
86
87 funsrc ();
88 void update_id (const char *pfx);
89};
90
91struct fun
138{ 92{
139 fun«$_» (env &e, const std::string &id, const std::string &source) 93 struct env &e;
140 : fun(e, id, source) 94 funid id;
95
96 void *funptr;
97
98 fun (env &e, const funid &id);
99
100 // is compiled function available?
101 bool compiled ()
141 { 102 {
103 return funptr;
142 } 104 }
143 105
144 int operator ()(«A$_ a$_|, ») 106 // returns the function pointer
107 void *ptr ();
108
109 «repeat»
110 template<typename R«, typename A$_|»>
111 R call («A$_ a$_|, »)
145 { 112 {
146 return ((R (*)(«A$_|, »)) ptr ())(«a$_|, »); 113 return ((R (*)(«A$_|, »)) ptr ())(«a$_|, »);
147 } 114 }
115 «end»
116
117 «repeat»
118 template<typename R«, typename A$_|»>
119 R operator ()(«A$_ a$_|, »)
120 {
121 call<R«, A$_|»> («a$_|, »);
122 }
123 «end»
148}; 124};
149«end» 125
126// environment for persistent or temporary storage
127struct env
128{
129 std::string path, idxpath;
130 bool temporary;
131 int idxfd;
132 long idxstamp;
133 int nextid;
134
135 void dolock (bool lock);
136 void lock ();
137 void unlock ();
138
139 bool load_index ();
140 void save_index ();
141
142 std::map<funid, std::string> id2file; // id to object/sofile mapping (or empty)
143 std::map<std::string, void *> file2so; // file to loaded so handle
144 std::vector<funsrc> fragments; // not-yet-compiled sources
145// std::set<fun> funs; // should go away
146
147 void register_fragment (const funsrc &frag);
148 void *dlsym (const std::string &id, const char *symbol);
149 void *sym (const std::string &id, const char *symbol);
150
151public:
152 env (const std::string &path = CPJIT_NULLID, bool temporary = false);
153 ~env ();
154
155 struct fun *get (funid id);
156
157 // compact all fragments && invalidate ALL pointers
158 void compact ();
159 // completely delete the environment on disk
160 void clear ();
161};
162
163struct funbuild : funsrc
164{
165 std::ostringstream bodystream;
166 env &e;
167
168 funbuild (env &e, const char *rettype, ...);
169
170 void header (const std::string &hdr);
171
172 funbuild &operator <<(const char *src);
173 funbuild &operator <<(const std::string &src);
174
175 fun *get ();
176};
150 177
151«repeat» 178«repeat»
152template<typename R«, typename A$_|»> 179template<typename R«, typename A$_|»>
153struct funbuild«$_» : funbuild 180struct funbuild«$_» : funbuild
154{ 181{
155 funbuild«$_» (env &e) 182 funbuild«$_» (env &e)
156 : funbuild(e, typestr<R>::str«, typestr<A$_>::str|», (const char *)0) 183 : funbuild(e, typestr<R>::str«, typestr<A$_>::str|», (const char *)0)
157 { 184 {
158 } 185 }
159
160 fun«$_»<R«, A$_|»> *get ()
161 {
162 std::string id, source;
163 finish (id, source);
164 return new fun«$_»<R«, A$_|»> (e, id, source);
165 }
166}; 186};
167«end» 187«end»
168 188
169} 189}
170 190

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