Mercurial > projects > ddmd
annotate dmd/OutBuffer.d @ 168:ceed63f310fb
stringtable, stringbuffer and freelist moved to Global
| author | korDen |
|---|---|
| date | Thu, 30 Sep 2010 12:57:13 +0400 |
| parents | e28b18c23469 |
| children | 94b6033c07f3 |
| rev | line source |
|---|---|
| 0 | 1 module dmd.OutBuffer; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import std.stdarg; |
| 34 | 5 import std.exception; |
| 0 | 6 |
| 7 import core.stdc.stdlib; | |
| 8 import core.stdc.string; | |
| 9 | |
| 4 | 10 import core.memory; |
|
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63623152e82a
Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents:
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changeset
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11 import core.stdc.stdlib; |
| 2 | 12 |
| 0 | 13 class OutBuffer |
| 14 { | |
| 15 ubyte* data; | |
| 16 uint offset; | |
| 17 uint size; | |
| 18 | |
| 19 this() | |
| 20 { | |
| 21 // do nothing | |
| 22 } | |
| 23 | |
| 24 final void* extractData() | |
| 25 { | |
| 26 void* p = cast(void*)data; | |
| 27 | |
| 28 data = null; | |
| 29 offset = 0; | |
| 30 size = 0; | |
| 31 | |
| 32 return p; | |
| 33 } | |
| 34 | |
| 35 void mark() | |
| 36 { | |
| 37 assert(false); | |
| 38 } | |
| 39 | |
| 40 final void reserve(uint nbytes) | |
| 41 { | |
| 42 //printf("OutBuffer::reserve: size = %d, offset = %d, nbytes = %d\n", size, offset, nbytes); | |
| 43 if (size - offset < nbytes) | |
| 44 { | |
| 45 size = (offset + nbytes) * 2; | |
|
5
63623152e82a
Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents:
4
diff
changeset
|
46 data = cast(ubyte*)realloc(data, size); |
| 0 | 47 } |
| 48 } | |
| 49 | |
| 50 final void setsize(uint size) | |
| 51 { | |
| 52 assert(false); | |
| 53 } | |
| 54 | |
| 55 final void reset() | |
| 56 { | |
| 57 offset = 0; | |
| 58 } | |
| 59 | |
| 60 final void write(const(void)* data, uint nbytes) | |
| 61 { | |
| 62 reserve(nbytes); | |
| 63 memcpy(this.data + offset, data, nbytes); | |
| 64 offset += nbytes; | |
| 65 } | |
| 66 | |
| 67 final void writebstring(ubyte* string_) | |
| 68 { | |
| 69 assert(false); | |
| 70 } | |
| 71 | |
| 72 final void writestring(const(char)[] string_) | |
| 73 { | |
| 74 write(string_.ptr , string_.length); | |
| 75 } | |
| 76 | |
| 77 final void writedstring(const(char)* string_) | |
| 78 { | |
| 79 assert(false); | |
| 80 } | |
| 81 | |
| 82 final void writedstring(const(wchar)* string_) | |
| 83 { | |
| 84 assert(false); | |
| 85 } | |
| 86 | |
| 87 final void prependstring(const(char)[] string_) | |
| 88 { | |
| 89 uint len = string_.length; | |
| 90 reserve(len); | |
| 91 memmove(data + len, data, offset); | |
| 92 memcpy(data, string_.ptr, len); | |
| 93 offset += len; | |
| 94 } | |
| 95 | |
| 96 final void writenl() // write newline | |
| 97 { | |
| 114 | 98 version (Windows) |
|
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parents:
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99 { |
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df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
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100 version (M_UNICODE) |
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df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
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101 { |
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final bits of codegen implementation to compile Phobos
korDen
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102 write4(0x000A000D); // newline is CR,LF on Microsoft OS's |
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df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
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103 } |
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df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
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104 else |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
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105 { |
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68
ee3a9f34dc48
final bits of codegen implementation to compile Phobos
korDen
parents:
34
diff
changeset
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106 writeword(0x0A0D); // newline is CR,LF on Microsoft OS's |
|
ee3a9f34dc48
final bits of codegen implementation to compile Phobos
korDen
parents:
34
diff
changeset
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107 } |
|
93
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
|
108 } |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
|
109 else |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
|
110 { |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
|
111 version (M_UNICODE) |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
|
112 { |
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68
ee3a9f34dc48
final bits of codegen implementation to compile Phobos
korDen
parents:
34
diff
changeset
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113 writeword('\n'); |
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93
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
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114 } |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
|
115 else |
|
df6d0f967680
implemented a whole bunch of methods to make phobos 2.035 compile
Trass3r
parents:
68
diff
changeset
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116 { |
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ee3a9f34dc48
final bits of codegen implementation to compile Phobos
korDen
parents:
34
diff
changeset
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117 writeByte('\n'); |
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ee3a9f34dc48
final bits of codegen implementation to compile Phobos
korDen
parents:
34
diff
changeset
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118 } |
|
ee3a9f34dc48
final bits of codegen implementation to compile Phobos
korDen
parents:
34
diff
changeset
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119 } |
| 0 | 120 } |
| 121 | |
| 122 final void writeByte(uint b) | |
| 123 { | |
| 124 reserve(1); | |
| 125 this.data[offset] = cast(ubyte)b; | |
| 126 offset++; | |
| 127 } | |
| 128 | |
| 129 final void writebyte(uint b) { writeByte(b); } | |
| 130 | |
| 131 final void writeUTF8(uint b) | |
| 132 { | |
| 133 reserve(6); | |
| 134 if (b <= 0x7F) | |
| 135 { | |
| 136 this.data[offset] = cast(ubyte)b; | |
| 137 offset++; | |
| 138 } | |
| 139 else if (b <= 0x7FF) | |
| 140 { | |
| 141 this.data[offset + 0] = cast(ubyte)((b >> 6) | 0xC0); | |
| 142 this.data[offset + 1] = cast(ubyte)((b & 0x3F) | 0x80); | |
| 143 offset += 2; | |
| 144 } | |
| 145 else if (b <= 0xFFFF) | |
| 146 { | |
| 147 this.data[offset + 0] = cast(ubyte)((b >> 12) | 0xE0); | |
| 148 this.data[offset + 1] = cast(ubyte)(((b >> 6) & 0x3F) | 0x80); | |
| 149 this.data[offset + 2] = cast(ubyte)((b & 0x3F) | 0x80); | |
| 150 offset += 3; | |
| 151 } | |
| 152 else if (b <= 0x1FFFFF) | |
| 153 { | |
| 154 this.data[offset + 0] = cast(ubyte)((b >> 18) | 0xF0); | |
| 155 this.data[offset + 1] = cast(ubyte)(((b >> 12) & 0x3F) | 0x80); | |
| 156 this.data[offset + 2] = cast(ubyte)(((b >> 6) & 0x3F) | 0x80); | |
| 157 this.data[offset + 3] = cast(ubyte)((b & 0x3F) | 0x80); | |
| 158 offset += 4; | |
| 159 } | |
| 160 else if (b <= 0x3FFFFFF) | |
| 161 { | |
| 162 this.data[offset + 0] = cast(ubyte)((b >> 24) | 0xF8); | |
| 163 this.data[offset + 1] = cast(ubyte)(((b >> 18) & 0x3F) | 0x80); | |
| 164 this.data[offset + 2] = cast(ubyte)(((b >> 12) & 0x3F) | 0x80); | |
| 165 this.data[offset + 3] = cast(ubyte)(((b >> 6) & 0x3F) | 0x80); | |
| 166 this.data[offset + 4] = cast(ubyte)((b & 0x3F) | 0x80); | |
| 167 offset += 5; | |
| 168 } | |
| 169 else if (b <= 0x7FFFFFFF) | |
| 170 { | |
| 171 this.data[offset + 0] = cast(ubyte)((b >> 30) | 0xFC); | |
| 172 this.data[offset + 1] = cast(ubyte)(((b >> 24) & 0x3F) | 0x80); | |
| 173 this.data[offset + 2] = cast(ubyte)(((b >> 18) & 0x3F) | 0x80); | |
| 174 this.data[offset + 3] = cast(ubyte)(((b >> 12) & 0x3F) | 0x80); | |
| 175 this.data[offset + 4] = cast(ubyte)(((b >> 6) & 0x3F) | 0x80); | |
| 176 this.data[offset + 5] = cast(ubyte)((b & 0x3F) | 0x80); | |
| 177 offset += 6; | |
| 178 } | |
| 179 else | |
| 180 assert(0); | |
| 181 } | |
| 182 | |
| 183 final void writedchar(uint b) | |
| 184 { | |
| 185 assert(false); | |
| 186 } | |
| 187 | |
| 188 final void prependbyte(uint b) | |
| 189 { | |
| 190 assert(false); | |
| 191 } | |
| 192 | |
| 193 final void writeword(uint w) | |
| 194 { | |
| 195 reserve(2); | |
| 196 *cast(ushort*)(this.data + offset) = cast(ushort)w; | |
| 197 offset += 2; | |
| 198 } | |
| 199 | |
| 200 final void writeUTF16(uint w) | |
| 201 { | |
| 202 reserve(4); | |
| 203 if (w <= 0xFFFF) | |
| 204 { | |
| 205 *cast(ushort*)(this.data + offset) = cast(ushort)w; | |
| 206 offset += 2; | |
| 207 } | |
| 208 else if (w <= 0x10FFFF) | |
| 209 { | |
| 210 *cast(ushort*)(this.data + offset) = cast(ushort)((w >> 10) + 0xD7C0); | |
| 211 *cast(ushort*)(this.data + offset + 2) = cast(ushort)((w & 0x3FF) | 0xDC00); | |
| 212 offset += 4; | |
| 213 } | |
| 214 else | |
| 215 assert(0); | |
| 216 } | |
| 217 | |
| 218 final void write4(uint w) | |
| 219 { | |
|
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*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
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220 reserve(4); |
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*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
parents:
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221 *cast(uint*)(this.data + offset) = w; |
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832f71e6f96c
*Exp and *AssignExp arrayOp implementation added (might be a bit incomplete)
korDen
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diff
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222 offset += 4; |
| 0 | 223 } |
| 224 | |
| 225 final void write(OutBuffer buf) | |
| 226 { | |
| 227 if (buf) | |
| 228 { | |
| 229 reserve(buf.offset); | |
| 230 memcpy(data + offset, buf.data, buf.offset); | |
| 231 offset += buf.offset; | |
| 232 } | |
| 233 } | |
| 234 | |
| 235 final void write(Object obj) | |
| 236 { | |
| 237 assert(false); | |
| 238 } | |
| 239 | |
| 240 final void fill0(uint nbytes) | |
| 241 { | |
| 242 reserve(nbytes); | |
| 243 memset(data + offset, 0, nbytes); | |
| 244 offset += nbytes; | |
| 245 } | |
| 246 | |
| 247 final void align_(uint size) | |
| 248 { | |
| 249 assert(false); | |
| 250 } | |
| 251 | |
| 252 void vprintf(const(char)* format, va_list args) | |
| 253 { | |
| 254 assert(false); | |
| 255 } | |
| 256 | |
| 257 void printf(T...)(string format, T t) | |
| 258 { | |
| 259 string s = std.string.format(format, t); | |
| 260 writestring(s); | |
| 261 } | |
| 262 | |
| 263 version (M_UNICODE) { | |
| 264 /// void vprintf(const uint short *format, va_list args); | |
| 265 /// void printf(const uint short *format, ...); | |
| 266 } | |
| 267 final void bracket(char left, char right) | |
| 268 { | |
| 269 assert(false); | |
| 270 } | |
| 271 | |
| 272 final uint bracket(uint i, const(char)* left, uint j, const(char)* right) | |
| 273 { | |
| 274 assert(false); | |
| 275 } | |
| 276 | |
| 277 final void spread(uint offset, uint nbytes) | |
| 278 { | |
| 279 assert(false); | |
| 280 } | |
| 281 | |
| 282 final uint insert(uint offset, const(void)* data, uint nbytes) | |
| 283 { | |
| 284 assert(false); | |
| 285 } | |
| 286 | |
| 287 final void remove(uint offset, uint nbytes) | |
| 288 { | |
| 289 assert(false); | |
| 290 } | |
| 291 | |
| 292 string toChars() | |
| 293 { | |
|
5
63623152e82a
Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents:
4
diff
changeset
|
294 char[] s = getString(); |
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63623152e82a
Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents:
4
diff
changeset
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295 char* copy = cast(char*)malloc(s.length); |
|
63623152e82a
Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents:
4
diff
changeset
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296 memcpy(copy, s.ptr, s.length); |
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63623152e82a
Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents:
4
diff
changeset
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297 return assumeUnique(copy[0..s.length]); |
|
63623152e82a
Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents:
4
diff
changeset
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298 |
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63623152e82a
Fixed memory corruption bug which was introduced when attempting to restore GC functionality
dkoroskin <>
parents:
4
diff
changeset
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299 //return getString().idup; |
| 0 | 300 } |
| 301 | |
| 302 final string extractString() | |
| 303 { | |
| 304 char[] s = getString(); | |
| 305 data = null; | |
| 306 offset = 0; | |
| 307 size = 0; | |
| 308 | |
| 309 return assumeUnique(s); | |
| 310 } | |
| 311 | |
| 312 final char[] getString() | |
| 313 { | |
| 314 char* s = cast(char*)data; | |
| 315 return s[0..offset]; | |
| 316 } | |
| 317 } |