Mercurial > projects > ddmd
annotate dmd/Argument.d @ 114:e28b18c23469
added a module dmd.common for commonly used stuff
it currently holds code for consistency checking of predefined versions
also added a VisualD project file
| author | Trass3r |
|---|---|
| date | Wed, 01 Sep 2010 18:21:58 +0200 |
| parents | 51605de93870 |
| children | 1765f3ef917d |
| rev | line source |
|---|---|
| 0 | 1 module dmd.Argument; |
| 2 | |
| 114 | 3 import dmd.common; |
| 0 | 4 import dmd.Type; |
| 5 import dmd.Identifier; | |
| 56 | 6 import dmd.TypeArray; |
| 7 import dmd.TypeFunction; | |
| 8 import dmd.TypeDelegate; | |
| 0 | 9 import dmd.TypeTuple; |
| 10 import dmd.TY; | |
| 11 import dmd.Expression; | |
| 12 import dmd.OutBuffer; | |
| 13 import dmd.HdrGenState; | |
| 14 import dmd.ArrayTypes; | |
| 15 import dmd.StorageClassDeclaration; | |
| 16 import dmd.Global; | |
| 17 import dmd.MOD; | |
| 18 import dmd.CppMangleState; | |
| 19 import dmd.STC; | |
| 20 | |
| 21 class Argument | |
| 22 { | |
| 23 //enum InOut inout; | |
| 24 STC storageClass; | |
| 25 Type type; | |
| 26 Identifier ident; | |
| 27 Expression defaultArg; | |
| 28 | |
| 29 this(STC storageClass, Type type, Identifier ident, Expression defaultArg) | |
| 30 { | |
| 31 this.type = type; | |
| 32 this.ident = ident; | |
| 33 this.storageClass = storageClass; | |
| 34 this.defaultArg = defaultArg; | |
| 35 } | |
| 36 | |
| 37 Argument clone() | |
| 38 { | |
| 39 return new Argument(storageClass, type, ident, defaultArg); | |
| 40 } | |
| 41 | |
| 42 Argument syntaxCopy() | |
| 43 { | |
| 44 return new Argument(storageClass, type ? type.syntaxCopy() : null, ident, defaultArg ? defaultArg.syntaxCopy() : null); | |
| 45 } | |
| 46 | |
| 56 | 47 /**************************************************** |
| 48 * Determine if parameter is a lazy array of delegates. | |
| 49 * If so, return the return type of those delegates. | |
| 50 * If not, return null. | |
| 51 */ | |
| 0 | 52 Type isLazyArray() |
| 53 { | |
| 56 | 54 // if (inout == Lazy) |
| 55 { | |
| 56 Type tb = type.toBasetype(); | |
| 57 if (tb.ty == Tsarray || tb.ty == Tarray) | |
| 58 { | |
| 59 Type tel = (cast(TypeArray)tb).next.toBasetype(); | |
| 60 if (tel.ty == Tdelegate) | |
| 61 { | |
| 62 TypeDelegate td = cast(TypeDelegate)tel; | |
| 63 TypeFunction tf = cast(TypeFunction)td.next; | |
| 64 | |
| 65 if (!tf.varargs && Argument.dim(tf.parameters) == 0) | |
| 66 { | |
| 67 return tf.next; // return type of delegate | |
| 68 } | |
| 69 } | |
| 70 } | |
| 71 } | |
| 72 return null; | |
| 0 | 73 } |
| 74 | |
| 75 void toDecoBuffer(OutBuffer buf) | |
| 76 { | |
| 77 if (storageClass & STC.STCscope) | |
| 78 buf.writeByte('M'); | |
| 79 switch (storageClass & (STC.STCin | STC.STCout | STC.STCref | STC.STClazy)) | |
| 80 { | |
| 81 case STC.STCundefined: | |
| 82 case STC.STCin: | |
| 83 break; | |
| 84 case STC.STCout: | |
| 85 buf.writeByte('J'); | |
| 86 break; | |
| 87 case STC.STCref: | |
| 88 buf.writeByte('K'); | |
| 89 break; | |
| 90 case STC.STClazy: | |
| 91 buf.writeByte('L'); | |
| 92 break; | |
| 93 } | |
| 94 static if (false) { | |
| 95 int mod = 0x100; | |
| 96 if (type.toBasetype().ty == TY.Tclass) | |
| 97 mod = 0; | |
| 98 type.toDecoBuffer(buf, mod); | |
| 99 } else { | |
| 100 //type.toHeadMutable().toDecoBuffer(buf, 0); | |
| 101 type.toDecoBuffer(buf, 0); | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 static Arguments arraySyntaxCopy(Arguments args) | |
| 106 { | |
| 107 Arguments a = null; | |
| 108 | |
| 109 if (args) | |
| 110 { | |
| 111 a = new Arguments(); | |
| 112 a.setDim(args.dim); | |
| 113 | |
| 114 for (size_t i = 0; i < a.dim; i++) | |
| 115 { | |
| 116 Argument arg = cast(Argument)args.data[i]; | |
| 117 | |
| 118 arg = arg.syntaxCopy(); | |
| 119 a.data[i] = cast(void*)arg; | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 return a; | |
| 124 } | |
| 125 | |
| 126 static string argsTypesToChars(Arguments args, int varargs) | |
| 127 { | |
| 128 scope OutBuffer buf = new OutBuffer(); | |
| 129 | |
| 130 static if (true) { | |
| 131 HdrGenState hgs; | |
| 132 argsToCBuffer(buf, &hgs, args, varargs); | |
| 133 } else { | |
| 134 buf.writeByte('('); | |
| 135 if (args) | |
| 136 { | |
|
16
5c9b78899f5d
Implemented methods for Tuples, fixed some linking issues.
Robert Clipsham <robert@octarineparrot.com>
parents:
0
diff
changeset
|
137 OutBuffer argbuf = new OutBuffer(); |
| 0 | 138 HdrGenState hgs; |
| 139 | |
| 140 for (int i = 0; i < args.dim; i++) | |
| 141 { | |
| 142 if (i) | |
| 143 buf.writeByte(','); | |
| 144 Argument arg = cast(Argument)args.data[i]; | |
| 145 argbuf.reset(); | |
| 146 arg.type.toCBuffer2(&argbuf, &hgs, 0); | |
| 147 buf.write(&argbuf); | |
| 148 } | |
| 149 if (varargs) | |
| 150 { | |
| 151 if (i && varargs == 1) | |
| 152 buf.writeByte(','); | |
| 153 buf.writestring("..."); | |
| 154 } | |
| 155 } | |
| 156 buf.writeByte(')'); | |
| 157 } | |
| 158 return buf.toChars(); | |
| 159 } | |
| 160 | |
| 161 static void argsCppMangle(OutBuffer buf, CppMangleState* cms, Arguments arguments, int varargs) | |
| 162 { | |
| 163 assert(false); | |
| 164 } | |
| 165 | |
| 166 static void argsToCBuffer(OutBuffer buf, HdrGenState* hgs, Arguments arguments, int varargs) | |
| 167 { | |
| 168 buf.writeByte('('); | |
| 169 if (arguments) | |
| 170 { | |
| 171 int i; | |
| 172 scope OutBuffer argbuf = new OutBuffer(); | |
| 173 | |
| 174 for (i = 0; i < arguments.dim; i++) | |
| 175 { | |
| 176 if (i) | |
| 177 buf.writestring(", "); | |
| 178 Argument arg = cast(Argument)arguments.data[i]; | |
| 179 | |
| 180 if (arg.storageClass & STCout) | |
| 181 buf.writestring("out "); | |
| 182 else if (arg.storageClass & STCref) | |
| 183 buf.writestring((global.params.Dversion == 1) ? "inout " : "ref "); | |
| 184 else if (arg.storageClass & STCin) | |
| 185 buf.writestring("in "); | |
| 186 else if (arg.storageClass & STClazy) | |
| 187 buf.writestring("lazy "); | |
| 188 else if (arg.storageClass & STCalias) | |
| 189 buf.writestring("alias "); | |
| 190 else if (arg.storageClass & STCauto) | |
| 191 buf.writestring("auto "); | |
| 192 | |
| 193 uint stc = arg.storageClass; | |
| 194 if (arg.type && arg.type.mod & MODshared) | |
| 195 stc &= ~STCshared; | |
| 196 | |
| 197 StorageClassDeclaration.stcToCBuffer(buf, stc & (STCconst | STCimmutable | STCshared | STCscope)); | |
| 198 | |
| 199 argbuf.reset(); | |
| 200 if (arg.storageClass & STCalias) | |
| 201 { | |
| 202 if (arg.ident) | |
| 203 argbuf.writestring(arg.ident.toChars()); | |
| 204 } | |
| 205 else | |
| 206 arg.type.toCBuffer(argbuf, arg.ident, hgs); | |
| 207 if (arg.defaultArg) | |
| 208 { | |
| 209 argbuf.writestring(" = "); | |
| 210 arg.defaultArg.toCBuffer(argbuf, hgs); | |
| 211 } | |
| 212 buf.write(argbuf); | |
| 213 } | |
| 214 if (varargs) | |
| 215 { | |
| 216 if (i && varargs == 1) | |
| 217 buf.writeByte(','); | |
| 218 buf.writestring("..."); | |
| 219 } | |
| 220 } | |
| 221 buf.writeByte(')'); | |
| 222 } | |
| 223 | |
| 224 static void argsToDecoBuffer(OutBuffer buf, Arguments arguments) | |
| 225 { | |
| 226 //printf("Argument::argsToDecoBuffer()\n"); | |
| 227 | |
| 228 // Write argument types | |
| 229 if (arguments) | |
| 230 { | |
| 231 size_t dim = Argument.dim(arguments); | |
| 232 for (size_t i = 0; i < dim; i++) | |
| 233 { | |
| 234 Argument arg = Argument.getNth(arguments, i); | |
| 235 arg.toDecoBuffer(buf); | |
| 236 } | |
| 237 } | |
| 238 } | |
| 239 | |
| 240 static int isTPL(Arguments arguments) | |
| 241 { | |
| 242 assert(false); | |
| 243 } | |
| 244 | |
| 245 /*************************************** | |
| 246 * Determine number of arguments, folding in tuples. | |
| 247 */ | |
| 248 static size_t dim(Arguments args) | |
| 249 { | |
| 250 size_t n = 0; | |
| 251 if (args) | |
| 252 { | |
| 253 for (size_t i = 0; i < args.dim; i++) | |
| 254 { | |
| 255 Argument arg = cast(Argument)args.data[i]; | |
| 256 Type t = arg.type.toBasetype(); | |
| 257 | |
| 258 if (t.ty == TY.Ttuple) | |
| 259 { | |
| 260 TypeTuple tu = cast(TypeTuple)t; | |
| 261 n += dim(tu.arguments); | |
| 262 } | |
| 263 else | |
| 264 n++; | |
| 265 } | |
| 266 } | |
| 267 return n; | |
| 268 } | |
| 269 | |
| 270 /*************************************** | |
| 271 * Get nth Argument, folding in tuples. | |
| 272 * Returns: | |
| 273 * Argument nth Argument | |
| 274 * null not found, *pn gets incremented by the number | |
| 275 * of Arguments | |
| 276 */ | |
| 277 static Argument getNth(Arguments args, size_t nth, size_t* pn = null) | |
| 278 { | |
| 279 if (!args) | |
| 280 return null; | |
| 281 | |
| 282 size_t n = 0; | |
| 283 for (size_t i = 0; i < args.dim; i++) | |
| 284 { | |
| 285 Argument arg = cast(Argument)args.data[i]; | |
| 286 Type t = arg.type.toBasetype(); | |
| 287 | |
| 288 if (t.ty == TY.Ttuple) | |
| 289 { TypeTuple tu = cast(TypeTuple)t; | |
| 290 arg = getNth(tu.arguments, nth - n, &n); | |
| 291 if (arg) | |
| 292 return arg; | |
| 293 } | |
| 294 else if (n == nth) | |
| 295 return arg; | |
| 296 else | |
| 297 n++; | |
| 298 } | |
| 299 | |
| 300 if (pn) | |
| 301 *pn += n; | |
| 302 | |
| 303 return null; | |
| 304 } | |
|
16
5c9b78899f5d
Implemented methods for Tuples, fixed some linking issues.
Robert Clipsham <robert@octarineparrot.com>
parents:
0
diff
changeset
|
305 } |