Mercurial > projects > ddmd
annotate dmd/CallExp.d @ 130:60bb0fe4563e
dmdfe 2.037 first main iteration
| author | Eldar Insafutdinov <e.insafutdinov@gmail.com> |
|---|---|
| date | Thu, 09 Sep 2010 22:51:44 +0100 |
| parents | e28b18c23469 |
| children | af1bebfd96a4 |
| rev | line source |
|---|---|
| 72 | 1 module dmd.CallExp; |
| 2 | |
| 114 | 3 import dmd.common; |
| 79 | 4 import dmd.ErrorExp; |
| 72 | 5 import dmd.Expression; |
| 6 import dmd.Cast; | |
| 7 import dmd.WANT; | |
| 8 import dmd.BUILTIN; | |
| 9 import dmd.TypeFunction; | |
| 10 import dmd.ScopeDsymbol; | |
| 11 import dmd.CastExp; | |
| 12 import dmd.GlobalExpressions; | |
| 13 import dmd.TypePointer; | |
| 14 import dmd.ThisExp; | |
| 15 import dmd.OverExp; | |
| 16 import dmd.Dsymbol; | |
| 17 import dmd.CSX; | |
| 18 import dmd.AggregateDeclaration; | |
| 19 import dmd.TypeDelegate; | |
| 20 import dmd.ClassDeclaration; | |
| 21 import dmd.DsymbolExp; | |
| 22 import dmd.DotExp; | |
| 23 import dmd.TemplateExp; | |
| 24 import dmd.TypeStruct; | |
| 25 import dmd.TypeClass; | |
| 26 import dmd.Identifier; | |
| 27 import dmd.Lexer; | |
| 28 import dmd.VarDeclaration; | |
| 29 import dmd.DeclarationExp; | |
| 30 import dmd.CtorDeclaration; | |
| 31 import dmd.PtrExp; | |
| 32 import dmd.TemplateDeclaration; | |
| 33 import dmd.StructLiteralExp; | |
| 34 import dmd.StructDeclaration; | |
| 35 import dmd.DotTemplateExp; | |
| 36 import dmd.CommaExp; | |
| 37 import dmd.AggregateDeclaration; | |
| 38 import dmd.FuncDeclaration; | |
| 39 import dmd.Type; | |
| 40 import dmd.ScopeExp; | |
| 41 import dmd.VarExp; | |
| 42 import dmd.STC; | |
| 43 import dmd.LINK; | |
| 44 import dmd.Global; | |
| 45 import dmd.DotTemplateInstanceExp; | |
| 46 import dmd.TemplateInstance; | |
| 47 import dmd.DelegateExp; | |
| 48 import dmd.IdentifierExp; | |
| 49 import dmd.DotVarExp; | |
| 50 import dmd.DotIdExp; | |
| 51 import dmd.TY; | |
|
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52 import dmd.TRUST; |
| 72 | 53 import dmd.Id; |
| 54 import dmd.TypeAArray; | |
| 55 import dmd.RemoveExp; | |
| 56 import dmd.backend.elem; | |
| 57 import dmd.UnaExp; | |
| 58 import dmd.InterState; | |
| 59 import dmd.OutBuffer; | |
| 60 import dmd.Loc; | |
| 61 import dmd.Scope; | |
| 62 import dmd.InlineCostState; | |
| 63 import dmd.IRState; | |
| 64 import dmd.InlineDoState; | |
| 65 import dmd.HdrGenState; | |
| 66 import dmd.InlineScanState; | |
| 67 import dmd.ArrayTypes; | |
| 68 import dmd.TOK; | |
| 69 import dmd.PREC; | |
| 70 import dmd.expression.Util; | |
| 71 import dmd.backend.Symbol; | |
| 72 import dmd.backend.TYPE; | |
| 73 import dmd.backend.Util; | |
| 74 import dmd.backend.TYM; | |
| 75 import dmd.codegen.Util; | |
| 76 | |
| 77 import std.stdio; | |
| 78 | |
| 0 | 79 class CallExp : UnaExp |
| 80 { | |
| 81 Expressions arguments; | |
| 82 | |
| 83 this(Loc loc, Expression e, Expressions exps) | |
| 84 { | |
| 72 | 85 super(loc, TOK.TOKcall, CallExp.sizeof, e); |
| 0 | 86 this.arguments = exps; |
| 87 } | |
| 88 | |
| 89 this(Loc loc, Expression e) | |
| 90 { | |
| 91 super(loc, TOK.TOKcall, CallExp.sizeof, e); | |
| 92 } | |
| 93 | |
| 94 this(Loc loc, Expression e, Expression earg1) | |
| 95 { | |
| 72 | 96 super(loc, TOK.TOKcall, CallExp.sizeof, e); |
| 97 | |
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98 auto arguments = new Expressions(); |
| 96 | 99 if (earg1) |
| 73 | 100 { |
| 101 arguments.setDim(1); | |
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102 arguments[0] = earg1; |
| 73 | 103 } |
| 0 | 104 this.arguments = arguments; |
| 105 } | |
| 106 | |
| 107 this(Loc loc, Expression e, Expression earg1, Expression earg2) | |
| 72 | 108 { |
| 109 super(loc, TOK.TOKcall, CallExp.sizeof, e); | |
| 66 | 110 |
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111 auto arguments = new Expressions(); |
| 72 | 112 arguments.setDim(2); |
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113 arguments[0] = earg1; |
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114 arguments[1] = earg2; |
| 72 | 115 |
| 66 | 116 this.arguments = arguments; |
| 0 | 117 } |
| 118 | |
| 72 | 119 override Expression syntaxCopy() |
| 0 | 120 { |
| 121 return new CallExp(loc, e1.syntaxCopy(), arraySyntaxCopy(arguments)); | |
| 122 } | |
| 123 | |
| 72 | 124 override Expression semantic(Scope sc) |
| 125 { | |
| 126 TypeFunction tf; | |
| 127 FuncDeclaration f; | |
| 128 Type t1; | |
| 129 int istemp; | |
| 130 Objects targsi; // initial list of template arguments | |
| 131 TemplateInstance tierror; | |
| 132 | |
| 79 | 133 version (LOGSEMANTIC) |
| 134 { | |
| 72 | 135 printf("CallExp.semantic() %s\n", toChars()); |
| 136 } | |
| 137 if (type) | |
| 138 return this; // semantic() already run | |
| 139 | |
| 79 | 140 static if (false) |
| 141 { | |
| 72 | 142 if (arguments && arguments.dim) |
| 143 { | |
| 144 Expression earg = cast(Expression)arguments.data[0]; | |
| 145 earg.print(); | |
| 146 if (earg.type) earg.type.print(); | |
| 147 } | |
| 148 } | |
| 149 | |
| 150 if (e1.op == TOK.TOKdelegate) | |
| 151 { | |
| 152 DelegateExp de = cast(DelegateExp)e1; | |
| 153 | |
| 154 e1 = new DotVarExp(de.loc, de.e1, de.func); | |
| 155 return semantic(sc); | |
| 156 } | |
| 157 | |
| 158 /* Transform: | |
| 159 * array.id(args) into .id(array,args) | |
| 160 * aa.remove(arg) into delete aa[arg] | |
| 161 */ | |
| 162 if (e1.op == TOK.TOKdot) | |
| 163 { | |
| 164 // BUG: we should handle array.a.b.c.e(args) too | |
| 165 | |
| 166 DotIdExp dotid = cast(DotIdExp)(e1); | |
| 167 dotid.e1 = dotid.e1.semantic(sc); | |
| 168 assert(dotid.e1); | |
| 169 if (dotid.e1.type) | |
| 170 { | |
| 171 TY e1ty = dotid.e1.type.toBasetype().ty; | |
| 172 if (e1ty == TY.Taarray && dotid.ident == Id.remove) | |
| 173 { | |
| 174 if (!arguments || arguments.dim != 1) | |
| 175 { | |
| 176 error("expected key as argument to aa.remove()"); | |
| 177 goto Lagain; | |
| 178 } | |
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179 auto key = arguments[0]; |
| 72 | 180 key = key.semantic(sc); |
| 181 key = resolveProperties(sc, key); | |
| 182 key.rvalue(); | |
| 183 | |
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184 auto taa = cast(TypeAArray)dotid.e1.type.toBasetype(); |
| 72 | 185 key = key.implicitCastTo(sc, taa.index); |
| 186 | |
| 187 return new RemoveExp(loc, dotid.e1, key); | |
| 188 } | |
| 109 | 189 else if (e1ty == TY.Tarray || e1ty == TY.Tsarray || |
| 190 (e1ty == Taarray && dotid.ident != Id.apply && dotid.ident != Id.applyReverse)) | |
| 72 | 191 { |
| 192 if (!arguments) | |
| 193 arguments = new Expressions(); | |
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194 arguments.shift(dotid.e1); |
| 72 | 195 version (DMDV2) { |
| 196 e1 = new DotIdExp(dotid.loc, new IdentifierExp(dotid.loc, Id.empty), dotid.ident); | |
| 197 } else { | |
| 198 e1 = new IdentifierExp(dotid.loc, dotid.ident); | |
| 199 } | |
| 200 } | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 static if (true) { | |
| 205 /* This recognizes: | |
| 206 * foo!(tiargs)(funcargs) | |
| 207 */ | |
| 208 if (e1.op == TOK.TOKimport && !e1.type) | |
| 209 { | |
| 210 ScopeExp se = cast(ScopeExp)e1; | |
| 211 TemplateInstance ti = se.sds.isTemplateInstance(); | |
| 212 if (ti && !ti.semanticRun) | |
| 213 { | |
| 214 /* Attempt to instantiate ti. If that works, go with it. | |
| 215 * If not, go with partial explicit specialization. | |
| 216 */ | |
| 217 ti.semanticTiargs(sc); | |
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218 if (ti.needsTypeInference(sc)) |
| 72 | 219 { |
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220 /* Go with partial explicit specialization |
| 72 | 221 */ |
| 222 targsi = ti.tiargs; | |
| 223 tierror = ti; // for error reporting | |
| 224 e1 = new IdentifierExp(loc, ti.name); | |
| 225 } | |
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226 else |
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227 { |
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228 ti.semantic(sc); |
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229 } |
| 72 | 230 } |
| 231 } | |
| 232 | |
| 233 /* This recognizes: | |
| 234 * expr.foo!(tiargs)(funcargs) | |
| 235 */ | |
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236 Ldotti: |
| 72 | 237 if (e1.op == TOK.TOKdotti && !e1.type) |
| 238 { | |
| 239 DotTemplateInstanceExp se = cast(DotTemplateInstanceExp)e1; | |
| 240 TemplateInstance ti = se.ti; | |
| 241 if (!ti.semanticRun) | |
| 242 { | |
| 243 /* Attempt to instantiate ti. If that works, go with it. | |
| 244 * If not, go with partial explicit specialization. | |
| 245 */ | |
| 246 ti.semanticTiargs(sc); | |
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247 static if (false) { |
| 72 | 248 Expression etmp = e1.trySemantic(sc); |
| 249 if (etmp) | |
| 250 e1 = etmp; // it worked | |
| 251 else // didn't work | |
| 252 { | |
| 253 targsi = ti.tiargs; | |
| 254 tierror = ti; // for error reporting | |
| 255 e1 = new DotIdExp(loc, se.e1, ti.name); | |
| 256 } | |
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257 } else { |
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258 if (!ti.tempdecl) |
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259 { |
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260 se.getTempdecl(sc); |
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261 } |
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262 if (ti.tempdecl && ti.needsTypeInference(sc)) |
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263 { |
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264 /* Go with partial explicit specialization |
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265 */ |
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266 targsi = ti.tiargs; |
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267 tierror = ti; // for error reporting |
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268 e1 = new DotIdExp(loc, se.e1, ti.name); |
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269 } |
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270 else |
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271 { |
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272 e1 = e1.semantic(sc); |
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273 } |
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274 } |
| 72 | 275 } |
| 276 } | |
| 277 } | |
| 278 | |
| 279 istemp = 0; | |
| 280 Lagain: | |
| 281 //printf("Lagain: %s\n", toChars()); | |
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282 //printf("test1 %s\n", toChars()); |
| 72 | 283 f = null; |
| 284 if (e1.op == TOK.TOKthis || e1.op == TOK.TOKsuper) | |
| 285 { | |
| 286 // semantic() run later for these | |
| 287 } | |
| 288 else | |
| 289 { | |
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290 if (e1.op == TOK.TOKdot) |
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291 { |
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292 auto die = cast(DotIdExp)e1; |
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293 e1 = die.semantic(sc, 1); |
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294 /* Look for e1 having been rewritten to expr.opDispatch!(string) |
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295 * We handle such earlier, so go back. |
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296 * Note that in the rewrite, we carefully did not run semantic() on e1 |
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297 */ |
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298 if (e1.op == TOK.TOKdotti && !e1.type) |
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299 { |
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300 goto Ldotti; |
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301 } |
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302 } |
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303 else |
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304 UnaExp.semantic(sc); |
| 72 | 305 |
| 306 /* Look for e1 being a lazy parameter | |
| 307 */ | |
| 308 if (e1.op == TOK.TOKvar) | |
| 309 { | |
| 310 VarExp ve = cast(VarExp)e1; | |
| 311 | |
| 312 if (ve.var.storage_class & STC.STClazy) | |
| 313 { | |
| 314 TypeFunction tff = new TypeFunction(null, ve.var.type, 0, LINK.LINKd); | |
| 315 TypeDelegate t = new TypeDelegate(tff); | |
| 316 ve.type = t.semantic(loc, sc); | |
| 317 } | |
| 318 } | |
| 319 | |
| 320 if (e1.op == TOK.TOKimport) | |
| 321 { | |
| 322 // Perhaps this should be moved to ScopeExp.semantic() | |
| 323 ScopeExp se = cast(ScopeExp)e1; | |
| 324 e1 = new DsymbolExp(loc, se.sds); | |
| 325 e1 = e1.semantic(sc); | |
| 326 } | |
| 327 ///static if (true) { // patch for #540 by Oskar Linde | |
| 328 else if (e1.op == TOK.TOKdotexp) | |
| 329 { | |
| 330 DotExp de = cast(DotExp)e1; | |
| 331 | |
| 332 if (de.e2.op == TOK.TOKimport) | |
| 333 { | |
| 334 // This should *really* be moved to ScopeExp.semantic() | |
| 335 ScopeExp se = cast(ScopeExp)de.e2; | |
| 336 de.e2 = new DsymbolExp(loc, se.sds); | |
| 337 de.e2 = de.e2.semantic(sc); | |
| 338 } | |
| 339 | |
| 340 if (de.e2.op == TOK.TOKtemplate) | |
| 341 { | |
| 342 TemplateExp te = cast(TemplateExp)de.e2; | |
| 343 e1 = new DotTemplateExp(loc,de.e1,te.td); | |
| 344 } | |
| 345 } | |
| 346 ///} | |
| 347 } | |
| 348 | |
| 349 if (e1.op == TOK.TOKcomma) | |
| 350 { | |
| 351 CommaExp ce = cast(CommaExp)e1; | |
| 352 | |
| 353 e1 = ce.e2; | |
| 354 e1.type = ce.type; | |
| 355 ce.e2 = this; | |
| 356 ce.type = null; | |
| 357 return ce.semantic(sc); | |
| 358 } | |
| 359 | |
| 360 t1 = null; | |
| 361 if (e1.type) | |
| 362 t1 = e1.type.toBasetype(); | |
| 363 | |
| 364 // Check for call operator overload | |
| 365 if (t1) | |
| 366 { | |
| 367 AggregateDeclaration ad; | |
| 368 | |
| 369 if (t1.ty == TY.Tstruct) | |
| 370 { | |
| 371 ad = (cast(TypeStruct)t1).sym; | |
| 372 version (DMDV2) { | |
| 373 // First look for constructor | |
| 374 if (ad.ctor && arguments && arguments.dim) | |
| 375 { | |
| 376 // Create variable that will get constructed | |
| 377 Identifier idtmp = Lexer.uniqueId("__ctmp"); | |
| 378 VarDeclaration tmp = new VarDeclaration(loc, t1, idtmp, null); | |
| 379 Expression av = new DeclarationExp(loc, tmp); | |
| 380 av = new CommaExp(loc, av, new VarExp(loc, tmp)); | |
| 381 | |
| 382 Expression e; | |
| 383 CtorDeclaration cf = ad.ctor.isCtorDeclaration(); | |
| 384 if (cf) | |
| 385 e = new DotVarExp(loc, av, cf, 1); | |
| 386 else | |
| 387 { | |
| 388 TemplateDeclaration td = ad.ctor.isTemplateDeclaration(); | |
| 389 assert(td); | |
| 390 e = new DotTemplateExp(loc, av, td); | |
| 391 } | |
| 392 e = new CallExp(loc, e, arguments); | |
| 393 version (STRUCTTHISREF) { | |
| 394 } else { | |
| 395 /* Constructors return a pointer to the instance | |
| 396 */ | |
| 397 e = new PtrExp(loc, e); | |
| 398 } | |
| 399 e = e.semantic(sc); | |
| 400 return e; | |
| 401 } | |
| 402 } | |
| 403 // No constructor, look for overload of opCall | |
| 404 if (search_function(ad, Id.call)) | |
| 405 goto L1; // overload of opCall, therefore it's a call | |
| 406 | |
| 407 if (e1.op != TOK.TOKtype) | |
| 408 error("%s %s does not overload ()", ad.kind(), ad.toChars()); | |
| 409 | |
| 410 /* It's a struct literal | |
| 411 */ | |
| 412 Expression e = new StructLiteralExp(loc, cast(StructDeclaration)ad, arguments); | |
| 413 e = e.semantic(sc); | |
| 414 e.type = e1.type; // in case e1.type was a typedef | |
| 415 return e; | |
| 416 } | |
| 417 else if (t1.ty == TY.Tclass) | |
| 418 { | |
| 419 ad = (cast(TypeClass)t1).sym; | |
| 420 goto L1; | |
| 421 L1: | |
| 422 // Rewrite as e1.call(arguments) | |
| 423 Expression e = new DotIdExp(loc, e1, Id.call); | |
| 424 e = new CallExp(loc, e, arguments); | |
| 425 e = e.semantic(sc); | |
| 426 return e; | |
| 427 } | |
| 428 } | |
| 429 | |
| 430 arrayExpressionSemantic(arguments, sc); | |
|
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|
431 preFunctionParameters(loc, sc, arguments); |
| 72 | 432 |
| 433 if (e1.op == TOK.TOKdotvar && t1.ty == TY.Tfunction || | |
| 434 e1.op == TOK.TOKdottd) | |
| 435 { | |
| 436 DotVarExp dve; | |
| 437 DotTemplateExp dte; | |
| 438 AggregateDeclaration ad; | |
| 439 UnaExp ue = cast(UnaExp)e1; | |
| 440 | |
| 441 if (e1.op == TOK.TOKdotvar) | |
| 442 { | |
| 443 // Do overload resolution | |
| 444 dve = cast(DotVarExp)e1; | |
| 445 | |
| 446 f = dve.var.isFuncDeclaration(); | |
| 447 assert(f); | |
| 448 f = f.overloadResolve(loc, ue.e1, arguments); | |
| 449 | |
| 450 ad = f.toParent().isAggregateDeclaration(); | |
| 451 } | |
| 452 else | |
| 453 { | |
| 454 dte = cast(DotTemplateExp)e1; | |
| 455 TemplateDeclaration td = dte.td; | |
| 456 assert(td); | |
| 457 | |
| 458 if (!arguments) | |
| 459 // Should fix deduceFunctionTemplate() so it works on null argument | |
| 460 arguments = new Expressions(); | |
| 461 | |
| 462 f = td.deduceFunctionTemplate(sc, loc, targsi, ue.e1, arguments); | |
| 463 if (!f) | |
| 464 { | |
| 465 type = Type.terror; | |
| 466 return this; | |
| 467 } | |
| 468 ad = td.toParent().isAggregateDeclaration(); | |
| 469 } | |
| 470 | |
| 471 if (f.needThis()) | |
| 472 { | |
| 473 ue.e1 = getRightThis(loc, sc, ad, ue.e1, f); | |
| 474 } | |
| 475 | |
| 476 /* Cannot call public functions from inside invariant | |
| 477 * (because then the invariant would have infinite recursion) | |
| 478 */ | |
| 479 if (sc.func && sc.func.isInvariantDeclaration() && | |
| 480 ue.e1.op == TOK.TOKthis && f.addPostInvariant()) | |
| 481 { | |
| 482 error("cannot call public/export function %s from invariant", f.toChars()); | |
| 483 } | |
| 484 | |
| 485 checkDeprecated(sc, f); | |
| 486 version (DMDV2) { | |
| 487 checkPurity(sc, f); | |
|
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488 checkSafety(sc, f); |
| 72 | 489 } |
| 490 accessCheck(loc, sc, ue.e1, f); | |
| 491 if (!f.needThis()) | |
| 492 { | |
| 493 VarExp ve = new VarExp(loc, f); | |
| 494 e1 = new CommaExp(loc, ue.e1, ve); | |
| 495 e1.type = f.type; | |
| 496 } | |
| 497 else | |
| 498 { | |
| 499 if (e1.op == TOK.TOKdotvar) | |
| 500 dve.var = f; | |
| 501 else | |
| 502 e1 = new DotVarExp(loc, dte.e1, f); | |
| 503 | |
| 504 e1.type = f.type; | |
| 505 static if (false) { | |
| 506 printf("ue.e1 = %s\n", ue.e1.toChars()); | |
| 507 printf("f = %s\n", f.toChars()); | |
| 508 printf("t = %s\n", t.toChars()); | |
| 509 printf("e1 = %s\n", e1.toChars()); | |
| 510 printf("e1.type = %s\n", e1.type.toChars()); | |
| 511 } | |
| 512 // Const member function can take const/immutable/mutable this | |
| 513 if (!(f.type.isConst())) | |
| 514 { | |
| 515 // Check for const/immutable compatibility | |
| 516 Type tthis = ue.e1.type.toBasetype(); | |
| 517 if (tthis.ty == TY.Tpointer) | |
| 518 tthis = tthis.nextOf().toBasetype(); | |
| 519 | |
| 520 static if (false) { // this checking should have been already done | |
| 521 if (f.type.isInvariant()) | |
| 522 { | |
| 523 if (tthis.mod != MOD.MODinvariant) | |
| 524 error("%s can only be called with an immutable object", e1.toChars()); | |
| 525 } | |
| 526 else if (f.type.isShared()) | |
| 527 { | |
| 528 if (tthis.mod != MOD.MODinvariant && tthis.mod != MOD.MODshared && tthis.mod != (MOD.MODshared | MOD.MODconst)) | |
| 529 error("shared %s can only be called with a shared or immutable object", e1.toChars()); | |
| 530 } | |
| 531 else | |
| 532 { | |
| 533 if (tthis.mod != MOD.MODundefined) | |
| 534 { | |
| 535 //printf("mod = %x\n", tthis.mod); | |
| 536 error("%s can only be called with a mutable object, not %s", e1.toChars(), tthis.toChars()); | |
| 537 } | |
| 538 } | |
| 539 } | |
| 540 /* Cannot call mutable method on a final struct | |
| 541 */ | |
| 542 if (tthis.ty == TY.Tstruct && | |
| 543 ue.e1.op == TOK.TOKvar) | |
| 544 { | |
| 545 VarExp v = cast(VarExp)ue.e1; | |
| 546 if (v.var.storage_class & STC.STCfinal) | |
| 547 error("cannot call mutable method on final struct"); | |
| 548 } | |
| 549 } | |
| 550 | |
| 551 // See if we need to adjust the 'this' pointer | |
| 552 AggregateDeclaration add = f.isThis(); | |
| 553 ClassDeclaration cd = ue.e1.type.isClassHandle(); | |
| 554 if (add && cd && add.isClassDeclaration() && add != cd && ue.e1.op != TOK.TOKsuper) | |
| 555 { | |
| 556 ue.e1 = ue.e1.castTo(sc, add.type); //new CastExp(loc, ue.e1, add.type); | |
| 557 ue.e1 = ue.e1.semantic(sc); | |
| 558 } | |
| 559 } | |
| 560 t1 = e1.type; | |
| 561 } | |
| 562 else if (e1.op == TOK.TOKsuper) | |
| 563 { | |
| 564 // Base class constructor call | |
| 565 ClassDeclaration cd = null; | |
| 566 | |
| 567 if (sc.func) | |
| 568 cd = sc.func.toParent().isClassDeclaration(); | |
| 569 if (!cd || !cd.baseClass || !sc.func.isCtorDeclaration()) | |
| 570 { | |
| 571 error("super class constructor call must be in a constructor"); | |
| 572 type = Type.terror; | |
| 573 return this; | |
| 574 } | |
| 575 else | |
| 576 { | |
| 577 if (!cd.baseClass.ctor) | |
| 578 { | |
| 579 error("no super class constructor for %s", cd.baseClass.toChars()); | |
| 580 type = Type.terror; | |
| 581 return this; | |
| 582 } | |
| 583 else | |
| 584 { | |
| 585 if (!sc.intypeof) | |
| 586 { | |
| 587 static if (false) { | |
| 588 if (sc.callSuper & (CSX.CSXthis | CSX.CSXsuper)) | |
| 589 error("reference to this before super()"); | |
| 590 } | |
| 591 if (sc.noctor || sc.callSuper & CSX.CSXlabel) | |
| 592 error("constructor calls not allowed in loops or after labels"); | |
| 593 if (sc.callSuper & (CSX.CSXsuper_ctor | CSX.CSXthis_ctor)) | |
| 594 error("multiple constructor calls"); | |
| 595 sc.callSuper |= CSX.CSXany_ctor | CSX.CSXsuper_ctor; | |
| 596 } | |
| 597 | |
| 598 f = resolveFuncCall(sc, loc, cd.baseClass.ctor, null, null, arguments, 0); | |
| 599 checkDeprecated(sc, f); | |
| 600 version (DMDV2) { | |
| 601 checkPurity(sc, f); | |
|
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diff
changeset
|
602 checkSafety(sc, f); |
| 72 | 603 } |
| 604 e1 = new DotVarExp(e1.loc, e1, f); | |
| 605 e1 = e1.semantic(sc); | |
| 606 t1 = e1.type; | |
| 607 } | |
| 608 } | |
| 609 } | |
| 610 else if (e1.op == TOK.TOKthis) | |
| 611 { | |
| 612 // same class constructor call | |
| 613 AggregateDeclaration cd = null; | |
| 614 | |
| 615 if (sc.func) | |
| 616 cd = sc.func.toParent().isAggregateDeclaration(); | |
| 617 if (!cd || !sc.func.isCtorDeclaration()) | |
| 618 { | |
| 619 error("constructor call must be in a constructor"); | |
| 620 type = Type.terror; | |
| 621 return this; | |
| 622 } | |
| 623 else | |
| 624 { | |
| 625 if (!sc.intypeof) | |
| 626 { | |
| 627 static if (false) { | |
| 628 if (sc.callSuper & (CSXthis | CSXsuper)) | |
| 629 error("reference to this before super()"); | |
| 630 } | |
| 631 if (sc.noctor || sc.callSuper & CSX.CSXlabel) | |
| 632 error("constructor calls not allowed in loops or after labels"); | |
| 633 if (sc.callSuper & (CSX.CSXsuper_ctor | CSX.CSXthis_ctor)) | |
| 634 error("multiple constructor calls"); | |
| 635 sc.callSuper |= CSX.CSXany_ctor | CSX.CSXthis_ctor; | |
| 636 } | |
| 637 | |
| 638 f = resolveFuncCall(sc, loc, cd.ctor, null, null, arguments, 0); | |
| 639 checkDeprecated(sc, f); | |
| 640 version (DMDV2) { | |
| 641 checkPurity(sc, f); | |
|
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diff
changeset
|
642 checkSafety(sc, f); |
| 72 | 643 } |
| 644 e1 = new DotVarExp(e1.loc, e1, f); | |
| 645 e1 = e1.semantic(sc); | |
| 646 t1 = e1.type; | |
| 647 | |
| 648 // BUG: this should really be done by checking the static | |
| 649 // call graph | |
| 650 if (f == sc.func) | |
| 651 error("cyclic constructor call"); | |
| 652 } | |
| 653 } | |
| 654 else if (e1.op == TOK.TOKoverloadset) | |
| 655 { | |
| 656 OverExp eo = cast(OverExp)e1; | |
| 657 FuncDeclaration ff = null; | |
| 79 | 658 Dsymbol s = null; |
| 659 for(size_t i = 0; i<eo.vars.a.dim; i++) | |
| 660 { | |
| 661 s = eo.vars.a[i]; | |
| 72 | 662 FuncDeclaration f2 = s.isFuncDeclaration(); |
| 663 if (f2) | |
| 664 { | |
| 665 f2 = f2.overloadResolve(loc, null, arguments, 1); | |
| 666 } | |
| 667 else | |
| 668 { | |
| 669 TemplateDeclaration td = s.isTemplateDeclaration(); | |
| 670 assert(td); | |
| 671 f2 = td.deduceFunctionTemplate(sc, loc, targsi, null, arguments, 1); | |
| 672 } | |
| 673 if (f2) | |
| 674 { | |
| 675 if (ff) | |
| 676 /* Error if match in more than one overload set, | |
| 677 * even if one is a 'better' match than the other. | |
| 678 */ | |
| 679 ScopeDsymbol.multiplyDefined(loc, ff, f2); | |
| 680 else | |
| 681 ff = f2; | |
| 682 } | |
| 683 } | |
| 684 if (!ff) | |
| 79 | 685 { |
| 686 // No overload matches | |
| 687 error("no overload matches for %s", s.toChars()); | |
| 688 return new ErrorExp(); | |
| 72 | 689 } |
| 690 e1 = new VarExp(loc, ff); | |
| 691 goto Lagain; | |
| 692 } | |
| 693 else if (!t1) | |
| 694 { | |
| 695 error("function expected before (), not '%s'", e1.toChars()); | |
| 696 type = Type.terror; | |
| 697 return this; | |
| 698 } | |
| 699 else if (t1.ty != TY.Tfunction) | |
| 700 { | |
| 701 if (t1.ty == TY.Tdelegate) | |
| 702 { | |
| 703 TypeDelegate td = cast(TypeDelegate)t1; | |
| 704 assert(td.next.ty == TY.Tfunction); | |
| 705 tf = cast(TypeFunction)(td.next); | |
| 706 if (sc.func && sc.func.isPure() && !tf.ispure) | |
| 707 { | |
| 708 error("pure function '%s' cannot call impure delegate '%s'", sc.func.toChars(), e1.toChars()); | |
| 709 } | |
|
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diff
changeset
|
710 if (sc.func && sc.func.isSafe() && tf.trust <= TRUST.TRUSTsystem) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
711 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
712 error("safe function '%s' cannot call system delegate '%s'", sc.func.toChars(), e1.toChars()); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
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114
diff
changeset
|
713 } |
| 72 | 714 goto Lcheckargs; |
| 715 } | |
| 716 else if (t1.ty == TY.Tpointer && (cast(TypePointer)t1).next.ty == TY.Tfunction) | |
| 717 { | |
| 718 Expression e = new PtrExp(loc, e1); | |
| 719 t1 = (cast(TypePointer)t1).next; | |
| 720 if (sc.func && sc.func.isPure() && !(cast(TypeFunction)t1).ispure) | |
| 721 { | |
| 722 error("pure function '%s' cannot call impure function pointer '%s'", sc.func.toChars(), e1.toChars()); | |
| 723 } | |
|
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114
diff
changeset
|
724 if (sc.func && sc.func.isSafe() && !(cast(TypeFunction)t1).trust <= TRUST.TRUSTsystem) |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
725 { |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
726 error("safe function '%s' cannot call system function pointer '%s'", sc.func.toChars(), e1.toChars()); |
|
60bb0fe4563e
dmdfe 2.037 first main iteration
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
114
diff
changeset
|
727 } |
| 72 | 728 e.type = t1; |
| 729 e1 = e; | |
| 730 } | |
| 731 else if (e1.op == TOK.TOKtemplate) | |
| 732 { | |
| 733 TemplateExp te = cast(TemplateExp)e1; | |
| 734 f = te.td.deduceFunctionTemplate(sc, loc, targsi, null, arguments); | |
| 735 if (!f) | |
| 736 { | |
| 737 if (tierror) | |
| 738 tierror.error("errors instantiating template"); // give better error message | |
| 739 type = Type.terror; | |
| 740 return this; | |
| 741 } | |
| 742 if (f.needThis() && hasThis(sc)) | |
| 743 { | |
| 744 // Supply an implicit 'this', as in | |
| 745 // this.ident | |
| 746 | |
| 747 e1 = new DotTemplateExp(loc, (new ThisExp(loc)).semantic(sc), te.td); | |
| 748 goto Lagain; | |
| 749 } | |
| 750 | |
| 751 e1 = new VarExp(loc, f); | |
| 752 goto Lagain; | |
| 753 } | |
| 754 else | |
| 755 { | |
| 756 error("function expected before (), not %s of type %s", e1.toChars(), e1.type.toChars()); | |
|
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114
diff
changeset
|
757 return new ErrorExp(); |
| 72 | 758 } |
| 759 } | |
| 760 else if (e1.op == TOK.TOKvar) | |
| 761 { | |
| 762 // Do overload resolution | |
| 763 VarExp ve = cast(VarExp)e1; | |
| 764 | |
| 765 f = ve.var.isFuncDeclaration(); | |
| 766 assert(f); | |
| 767 | |
| 768 if (ve.hasOverloads) | |
| 769 f = f.overloadResolve(loc, null, arguments); | |
| 770 | |
| 771 checkDeprecated(sc, f); | |
| 772 version (DMDV2) { | |
| 773 checkPurity(sc, f); | |
|
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parents:
114
diff
changeset
|
774 checkSafety(sc, f); |
| 72 | 775 } |
| 776 | |
| 777 if (f.needThis() && hasThis(sc)) | |
| 778 { | |
| 779 // Supply an implicit 'this', as in | |
| 780 // this.ident | |
| 781 | |
| 782 e1 = new DotVarExp(loc, new ThisExp(loc), f); | |
| 783 goto Lagain; | |
| 784 } | |
| 785 | |
| 786 accessCheck(loc, sc, null, f); | |
| 787 | |
| 788 ve.var = f; | |
| 73 | 789 // ve.hasOverloads = false; |
| 72 | 790 ve.type = f.type; |
| 791 t1 = f.type; | |
| 792 } | |
| 793 assert(t1.ty == TY.Tfunction); | |
| 794 tf = cast(TypeFunction)t1; | |
| 795 | |
| 796 Lcheckargs: | |
| 797 assert(tf.ty == TY.Tfunction); | |
| 798 type = tf.next; | |
| 799 | |
| 800 if (!arguments) | |
| 801 arguments = new Expressions(); | |
| 802 | |
|
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Eldar Insafutdinov <e.insafutdinov@gmail.com>
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114
diff
changeset
|
803 functionParameters(loc, sc, tf, arguments); |
| 72 | 804 |
| 805 if (!type) | |
| 806 { | |
| 807 error("forward reference to inferred return type of function call %s", toChars()); | |
| 808 type = Type.terror; | |
| 809 } | |
| 810 | |
| 811 if (f && f.tintro) | |
| 812 { | |
| 813 Type t = type; | |
| 814 int offset = 0; | |
| 815 TypeFunction tff = cast(TypeFunction)f.tintro; | |
| 816 | |
| 817 if (tff.next.isBaseOf(t, &offset) && offset) | |
| 818 { | |
| 819 type = tff.next; | |
| 820 return castTo(sc, t); | |
| 821 } | |
| 822 } | |
| 823 | |
| 824 return this; | |
| 0 | 825 } |
| 826 | |
| 72 | 827 override Expression optimize(int result) |
| 0 | 828 { |
| 96 | 829 // writef("CallExp::optimize(result = %d) %s\n", result, toChars()); |
| 72 | 830 Expression e = this; |
| 831 | |
| 832 // Optimize parameters | |
| 833 if (arguments) | |
| 834 { | |
|
84
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Expressions -> Vector!Expression
Eldar Insafutdinov <e.insafutdinov@gmail.com>
parents:
79
diff
changeset
|
835 foreach (ref Expression ee; arguments) |
| 72 | 836 { |
| 837 ee = ee.optimize(WANT.WANTvalue); | |
| 838 } | |
| 839 } | |
| 840 | |
| 841 e1 = e1.optimize(result); | |
| 842 if (e1.op == TOK.TOKvar) | |
| 843 { | |
| 844 FuncDeclaration fd = (cast(VarExp)e1).var.isFuncDeclaration(); | |
| 845 if (fd) | |
| 846 { | |
| 847 BUILTIN b = fd.isBuiltin(); | |
| 848 if (b) | |
| 849 { | |
| 850 e = eval_builtin(b, arguments); | |
| 851 if (!e) // failed | |
| 852 e = this; // evaluate at runtime | |
| 853 } | |
| 854 else if (result & WANT.WANTinterpret) | |
| 855 { | |
| 856 Expression eresult = fd.interpret(null, arguments); | |
| 857 if (eresult && eresult !is EXP_VOID_INTERPRET) | |
| 858 e = eresult; | |
| 859 else | |
| 860 error("cannot evaluate %s at compile time", toChars()); | |
| 861 } | |
| 862 } | |
| 863 } | |
| 96 | 864 else if (e1.op == TOKdotvar && result & WANTinterpret) |
| 865 { | |
| 866 DotVarExp dve = cast(DotVarExp) e1; | |
| 867 FuncDeclaration fd = dve.var.isFuncDeclaration(); | |
| 868 if (fd) | |
| 869 { | |
| 870 Expression eresult = fd.interpret(null, arguments, dve.e1); | |
| 871 if (eresult && eresult != EXP_VOID_INTERPRET) | |
| 872 e = eresult; | |
| 873 else | |
| 874 error("cannot evaluate %s at compile time", toChars()); | |
| 875 } | |
| 876 } | |
| 72 | 877 |
| 0 | 878 return e; |
| 879 } | |
| 880 | |
| 72 | 881 override Expression interpret(InterState istate) |
| 0 | 882 { |
| 72 | 883 Expression e = EXP_CANT_INTERPRET; |
| 884 | |
| 885 version (LOG) { | |
| 886 printf("CallExp.interpret() %.*s\n", toChars()); | |
| 887 } | |
| 888 if (e1.op == TOKdotvar) | |
| 889 { | |
| 890 Expression pthis = (cast(DotVarExp)e1).e1; | |
| 891 FuncDeclaration fd = (cast(DotVarExp)e1).var.isFuncDeclaration(); | |
| 892 TypeFunction tf = fd ? cast(TypeFunction)fd.type : null; | |
| 893 if (tf) | |
| 894 { | |
| 895 // Member function call | |
| 896 if(pthis.op == TOKthis) | |
| 96 | 897 pthis = istate.localThis; |
| 72 | 898 Expression eresult = fd.interpret(istate, arguments, pthis); |
| 899 if (eresult) | |
| 900 e = eresult; | |
| 901 else if (fd.type.toBasetype().nextOf().ty == Tvoid && !global.errors) | |
| 902 e = EXP_VOID_INTERPRET; | |
| 903 else | |
| 904 error("cannot evaluate %s at compile time", toChars()); | |
| 905 return e; | |
| 906 } | |
| 907 error("cannot evaluate %s at compile time", toChars()); | |
| 908 return EXP_CANT_INTERPRET; | |
| 909 } | |
| 910 if (e1.op == TOKvar) | |
| 911 { | |
| 912 FuncDeclaration fd = (cast(VarExp)e1).var.isFuncDeclaration(); | |
| 913 if (fd) | |
| 914 { | |
| 915 ///version (DMDV2) { | |
| 916 BUILTIN b = fd.isBuiltin(); | |
| 917 if (b) | |
| 918 { | |
| 919 scope Expressions args = new Expressions(); | |
| 920 args.setDim(arguments.dim); | |
| 921 for (size_t i = 0; i < args.dim; i++) | |
| 922 { | |
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923 auto earg = arguments[i]; |
| 72 | 924 earg = earg.interpret(istate); |
| 925 if (earg == EXP_CANT_INTERPRET) | |
| 926 return earg; | |
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927 args[i] = earg; |
| 72 | 928 } |
| 929 e = eval_builtin(b, args); | |
| 930 if (!e) | |
| 931 e = EXP_CANT_INTERPRET; | |
| 932 } | |
| 933 else | |
| 934 ///} | |
| 935 // Inline .dup | |
| 936 if (fd.ident == Id.adDup && arguments && arguments.dim == 2) | |
| 937 { | |
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938 e = arguments[1]; |
| 72 | 939 e = e.interpret(istate); |
| 940 if (e !is EXP_CANT_INTERPRET) | |
| 941 { | |
| 942 e = expType(type, e); | |
| 943 } | |
| 944 } | |
| 945 else | |
| 946 { | |
| 947 Expression eresult = fd.interpret(istate, arguments); | |
| 948 if (eresult) | |
| 949 e = eresult; | |
| 950 else if (fd.type.toBasetype().nextOf().ty == Tvoid && !global.errors) | |
| 951 e = EXP_VOID_INTERPRET; | |
| 952 else | |
| 953 error("cannot evaluate %s at compile time", toChars()); | |
| 954 } | |
| 955 } | |
| 956 } | |
| 63 | 957 return e; |
| 0 | 958 } |
| 959 | |
| 72 | 960 override bool checkSideEffect(int flag) |
| 0 | 961 { |
| 72 | 962 version (DMDV2) { |
| 963 if (flag != 2) | |
| 964 return true; | |
| 965 | |
| 966 if (e1.checkSideEffect(2)) | |
| 967 return true; | |
| 968 | |
| 969 /* If any of the arguments have side effects, this expression does | |
| 970 */ | |
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971 foreach (e; arguments) |
| 72 | 972 { |
| 973 if (e.checkSideEffect(2)) | |
| 974 return true; | |
| 975 } | |
| 976 | |
| 977 /* If calling a function or delegate that is typed as pure, | |
| 978 * then this expression has no side effects. | |
| 979 */ | |
| 980 Type t = e1.type.toBasetype(); | |
| 981 if (t.ty == TY.Tfunction && (cast(TypeFunction)t).ispure) | |
| 982 return false; | |
| 983 if (t.ty == TY.Tdelegate && (cast(TypeFunction)(cast(TypeDelegate)t).next).ispure) | |
| 984 return false; | |
| 985 } | |
| 0 | 986 return true; |
| 987 } | |
| 988 | |
| 72 | 989 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 990 { |
| 72 | 991 int i; |
| 992 expToCBuffer(buf, hgs, e1, precedence[op]); | |
| 993 buf.writeByte('('); | |
| 994 argsToCBuffer(buf, arguments, hgs); | |
| 0 | 995 buf.writeByte(')'); |
| 996 } | |
| 997 | |
| 72 | 998 override void dump(int indent) |
| 0 | 999 { |
| 1000 assert(false); | |
| 1001 } | |
| 1002 | |
| 72 | 1003 override elem* toElem(IRState* irs) |
| 0 | 1004 { |
| 72 | 1005 //printf("CallExp::toElem('%s')\n", toChars()); |
| 1006 assert(e1.type); | |
| 1007 elem* ec; | |
| 1008 int directcall; | |
| 1009 FuncDeclaration fd; | |
| 1010 Type t1 = e1.type.toBasetype(); | |
| 1011 Type ectype = t1; | |
| 1012 | |
| 1013 elem* ehidden = irs.ehidden; | |
| 1014 irs.ehidden = null; | |
| 1015 | |
| 1016 directcall = 0; | |
| 1017 fd = null; | |
| 1018 if (e1.op == TOK.TOKdotvar && t1.ty != TY.Tdelegate) | |
| 1019 { | |
| 1020 DotVarExp dve = cast(DotVarExp)e1; | |
| 1021 | |
| 1022 fd = dve.var.isFuncDeclaration(); | |
| 1023 Expression ex = dve.e1; | |
| 1024 while (1) | |
| 1025 { | |
| 1026 switch (ex.op) | |
| 1027 { | |
| 1028 case TOK.TOKsuper: // super.member() calls directly | |
| 1029 case TOK.TOKdottype: // type.member() calls directly | |
| 1030 directcall = 1; | |
| 1031 break; | |
| 1032 | |
| 1033 case TOK.TOKcast: | |
| 1034 ex = (cast(CastExp)ex).e1; | |
| 1035 continue; | |
| 1036 | |
| 1037 default: | |
| 1038 //ex.dump(0); | |
| 1039 break; | |
| 1040 } | |
| 1041 break; | |
| 1042 } | |
| 1043 ec = dve.e1.toElem(irs); | |
| 1044 ectype = dve.e1.type.toBasetype(); | |
| 1045 } | |
| 1046 else if (e1.op == TOK.TOKvar) | |
| 1047 { | |
| 1048 fd = (cast(VarExp)e1).var.isFuncDeclaration(); | |
| 1049 | |
| 1050 if (fd && fd.ident == Id.alloca && !fd.fbody && fd.linkage == LINK.LINKc && arguments && arguments.dim == 1) | |
| 1051 { | |
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1052 auto arg = arguments[0]; |
| 72 | 1053 arg = arg.optimize(WANT.WANTvalue); |
| 1054 if (arg.isConst() && arg.type.isintegral()) | |
| 1055 { | |
| 1056 long sz = arg.toInteger(); | |
| 1057 if (sz > 0 && sz < 0x40000) | |
| 1058 { | |
| 1059 // It's an alloca(sz) of a fixed amount. | |
| 1060 // Replace with an array allocated on the stack | |
| 1061 // of the same size: char[sz] tmp; | |
| 1062 | |
| 1063 Symbol* stmp; | |
| 1064 .type* t; | |
| 1065 | |
| 1066 assert(!ehidden); | |
| 1067 t = type_allocn(TYM.TYarray, tschar); | |
| 1068 t.Tdim = cast(uint)sz; | |
| 1069 stmp = symbol_genauto(t); | |
| 1070 ec = el_ptr(stmp); | |
| 1071 el_setLoc(ec,loc); | |
| 1072 return ec; | |
| 1073 } | |
| 1074 } | |
| 1075 } | |
| 1076 | |
| 1077 ec = e1.toElem(irs); | |
| 1078 } | |
| 1079 else | |
| 1080 { | |
| 1081 ec = e1.toElem(irs); | |
| 1082 } | |
| 1083 ec = callfunc(loc, irs, directcall, type, ec, ectype, fd, t1, ehidden, arguments); | |
| 1084 el_setLoc(ec,loc); | |
| 0 | 1085 return ec; |
| 1086 } | |
| 1087 | |
| 72 | 1088 override void scanForNestedRef(Scope sc) |
| 0 | 1089 { |
| 72 | 1090 //printf("CallExp.scanForNestedRef(Scope *sc): %s\n", toChars()); |
| 1091 e1.scanForNestedRef(sc); | |
| 64 | 1092 arrayExpressionScanForNestedRef(sc, arguments); |
| 72 | 1093 } |
| 0 | 1094 |
| 1095 version (DMDV2) { | |
| 72 | 1096 override int isLvalue() |
| 0 | 1097 { |
| 96 | 1098 // if (type.toBasetype().ty == Tstruct) |
| 72 | 1099 // return 1; |
| 1100 Type tb = e1.type.toBasetype(); | |
| 1101 if (tb.ty == Tfunction && (cast(TypeFunction)tb).isref) | |
| 1102 return 1; // function returns a reference | |
| 0 | 1103 return 0; |
| 1104 } | |
| 1105 } | |
| 72 | 1106 override Expression toLvalue(Scope sc, Expression e) |
| 0 | 1107 { |
| 72 | 1108 if (isLvalue()) |
| 1109 return this; | |
| 0 | 1110 return Expression.toLvalue(sc, e); |
| 72 | 1111 } |
| 0 | 1112 |
| 1113 version (DMDV2) { | |
| 72 | 1114 override bool canThrow() |
| 0 | 1115 { |
| 72 | 1116 //printf("CallExp::canThrow() %s\n", toChars()); |
| 1117 if (e1.canThrow()) | |
| 1118 return true; | |
| 1119 | |
| 1120 /* If any of the arguments can throw, then this expression can throw | |
| 1121 */ | |
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changeset
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1122 foreach (e; arguments) |
| 72 | 1123 { |
| 1124 if (e && e.canThrow()) | |
| 1125 return true; | |
| 1126 } | |
| 1127 | |
| 1128 if (global.errors && !e1.type) | |
| 1129 return false; // error recovery | |
| 1130 | |
| 1131 /* If calling a function or delegate that is typed as nothrow, | |
| 1132 * then this expression cannot throw. | |
| 1133 * Note that pure functions can throw. | |
| 1134 */ | |
| 1135 Type t = e1.type.toBasetype(); | |
| 1136 if (t.ty == TY.Tfunction && (cast(TypeFunction)t).isnothrow) | |
| 1137 return false; | |
| 1138 if (t.ty == TY.Tdelegate && (cast(TypeFunction)(cast(TypeDelegate)t).next).isnothrow) | |
| 1139 return false; | |
| 1140 | |
| 0 | 1141 return true; |
| 1142 } | |
| 1143 } | |
| 72 | 1144 override int inlineCost(InlineCostState* ics) |
| 0 | 1145 { |
| 1146 return 1 + e1.inlineCost(ics) + arrayInlineCost(ics, arguments); | |
| 1147 } | |
| 1148 | |
| 72 | 1149 override Expression doInline(InlineDoState ids) |
| 0 | 1150 { |
| 72 | 1151 CallExp ce = cast(CallExp)copy(); |
| 1152 ce.e1 = e1.doInline(ids); | |
| 1153 ce.arguments = arrayExpressiondoInline(arguments, ids); | |
| 0 | 1154 return ce; |
| 1155 } | |
| 1156 | |
| 72 | 1157 override Expression inlineScan(InlineScanState* iss) |
| 0 | 1158 { |
| 72 | 1159 Expression e = this; |
| 1160 | |
| 1161 //printf("CallExp.inlineScan()\n"); | |
| 1162 e1 = e1.inlineScan(iss); | |
| 1163 arrayInlineScan(iss, arguments); | |
| 1164 | |
| 1165 if (e1.op == TOKvar) | |
| 1166 { | |
| 1167 VarExp ve = cast(VarExp)e1; | |
| 1168 FuncDeclaration fd = ve.var.isFuncDeclaration(); | |
| 1169 | |
| 1170 if (fd && fd != iss.fd && fd.canInline(0)) | |
| 1171 { | |
| 1172 e = fd.doInline(iss, null, arguments); | |
| 1173 } | |
| 1174 } | |
| 1175 else if (e1.op == TOKdotvar) | |
| 1176 { | |
| 1177 DotVarExp dve = cast(DotVarExp)e1; | |
| 1178 FuncDeclaration fd = dve.var.isFuncDeclaration(); | |
| 1179 | |
| 1180 if (fd && fd != iss.fd && fd.canInline(1)) | |
| 1181 { | |
| 1182 if (dve.e1.op == TOKcall && | |
| 1183 dve.e1.type.toBasetype().ty == Tstruct) | |
| 1184 { | |
| 1185 /* To create ethis, we'll need to take the address | |
| 1186 * of dve.e1, but this won't work if dve.e1 is | |
| 1187 * a function call. | |
| 1188 */ | |
| 1189 ; | |
| 1190 } | |
| 1191 else | |
| 1192 e = fd.doInline(iss, dve.e1, arguments); | |
| 1193 } | |
| 1194 } | |
| 1195 | |
| 0 | 1196 return e; |
| 1197 } | |
| 1198 } | |
| 1199 |