| | 201 | private void popAll(int onStack) { |
| | 202 | if (onStack > 0) { |
| | 203 | for (; onStack > 1; onStack -= 2) { |
| | 204 | mv.visitInsn(Opcodes.POP2); |
| | 205 | } |
| | 206 | if (onStack==1) { |
| | 207 | mv.visitInsn(Opcodes.POP); |
| | 208 | } |
| | 209 | } |
| | 210 | } |
| | 211 | |
| | 212 | private void dumpDecls(List<Decl> decls) { |
| | 213 | debug("dumpDecls", decls); |
| | 214 | for (Decl d : decls) { |
| | 215 | if (!(d instanceof FnDecl)) { |
| | 216 | sayWhat(d); |
| | 217 | return; |
| | 218 | } |
| | 219 | d.accept(this); |
| | 220 | } |
| | 221 | } |
| | 222 | |
| | 223 | |
| | 224 | private void addLineNumberInfo(ASTNode x) { |
| | 225 | addLineNumberInfo(mv, x); |
| | 226 | } |
| | 227 | |
| | 228 | private void addLineNumberInfo(MethodVisitor m, ASTNode x) { |
| | 229 | org.objectweb.asm.Label bogus_label = new org.objectweb.asm.Label(); |
| | 230 | m.visitLabel(bogus_label); |
| | 231 | Span span = NodeUtil.getSpan(x); |
| | 232 | SourceLoc begin = span.getBegin(); |
| | 233 | SourceLoc end = span.getEnd(); |
| | 234 | String fileName = span.getFileName(); |
| | 235 | m.visitLineNumber(begin.getLine(), bogus_label); |
| | 236 | } |
| | 237 | |
| | 238 | public static String jvmSignatureFor(Function f) { |
| | 239 | String sig; |
| | 240 | List<Param> params = f.parameters(); |
| | 241 | sig = "("; |
| | 242 | for (Param p : params ) { |
| | 243 | Type ty = p.getIdType().unwrap(); |
| | 244 | String toType = NamingCzar.only.boxedImplDesc(ty); |
| | 245 | sig += toType; |
| | 246 | } |
| | 247 | sig += ")"; |
| | 248 | sig += NamingCzar.only.boxedImplDesc(f.getReturnType()); |
| | 249 | return sig; |
| | 250 | } |
| | 251 | |
| | 252 | |
| | 253 | /** |
| | 254 | * @param x |
| | 255 | * @param arrow |
| | 256 | * @param pkgAndClassName |
| | 257 | * @param methodName |
| | 258 | */ |
| | 259 | private void callStaticSingleOrOverloaded(FnRef x, |
| | 260 | com.sun.fortress.nodes.Type arrow, String pkgAndClassName, |
| | 261 | String methodName) { |
| | 262 | { |
| | 263 | debug("class = " + pkgAndClassName + " method = " + methodName ); |
| | 264 | |
| | 265 | if ( arrow instanceof ArrowType ) { |
| | 266 | addLineNumberInfo(x); |
| | 267 | mv.visitMethodInsn(Opcodes.INVOKESTATIC, pkgAndClassName, |
| | 268 | methodName, Naming.emitDesc(arrow)); |
| | 269 | } else if (arrow instanceof IntersectionType) { |
| | 270 | addLineNumberInfo(x); |
| | 271 | IntersectionType it = (IntersectionType) arrow; |
| | 272 | mv.visitMethodInsn(Opcodes.INVOKESTATIC, pkgAndClassName, |
| | 273 | OverloadSet.actuallyOverloaded(it, paramCount) ? |
| | 274 | OverloadSet.oMangle(methodName) :methodName, |
| | 275 | OverloadSet.getSignature(it, paramCount, ta)); |
| | 276 | } else { |
| | 277 | sayWhat( x, "Neither arrow nor intersection type: " + arrow ); |
| | 278 | } |
| | 279 | } |
| | 280 | |
| | 281 | } |
| | 282 | |
| | 283 | // paramCount communicates this information from call to function reference, |
| | 284 | // as it's needed to determine type descriptors for methods. |
| | 285 | private int paramCount = -1; |
| | 286 | |
| | 287 | /** |
| | 288 | * @param y |
| | 289 | */ |
| | 290 | private void pushInteger(int y) { |
| | 291 | switch (y) { |
| | 292 | case 0: |
| | 293 | mv.visitInsn(Opcodes.ICONST_0); |
| | 294 | break; |
| | 295 | case 1: |
| | 296 | mv.visitInsn(Opcodes.ICONST_1); |
| | 297 | break; |
| | 298 | case 2: |
| | 299 | mv.visitInsn(Opcodes.ICONST_2); |
| | 300 | break; |
| | 301 | case 3: |
| | 302 | mv.visitInsn(Opcodes.ICONST_3); |
| | 303 | break; |
| | 304 | case 4: |
| | 305 | mv.visitInsn(Opcodes.ICONST_4); |
| | 306 | break; |
| | 307 | case 5: |
| | 308 | mv.visitInsn(Opcodes.ICONST_5); |
| | 309 | break; |
| | 310 | default: |
| | 311 | mv.visitLdcInsn(y); |
| | 312 | break; |
| | 313 | } |
| | 314 | |
| | 315 | } |
| 219 | | public void forComponent(Component x) { |
| 220 | | debug("forComponent ",x.getName(),NodeUtil.getSpan(x)); |
| 221 | | cw = new ClassWriter(ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES ); |
| 222 | | cw.visitSource(packageAndClassName, null); |
| 223 | | boolean exportsExecutable = false; |
| 224 | | boolean exportsDefaultLibrary = false; |
| 225 | | |
| 226 | | for ( APIName export : x.getExports() ) { |
| 227 | | if ( WellKnownNames.exportsMain(export.getText()) ) |
| 228 | | exportsExecutable = true; |
| 229 | | if ( WellKnownNames.exportsDefaultLibrary(export.getText()) ) |
| 230 | | exportsDefaultLibrary = true; |
| 231 | | } |
| 232 | | |
| 233 | | cw.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, |
| 234 | | packageAndClassName, null, NamingCzar.fortressComponent, |
| 235 | | null); |
| 236 | | |
| 237 | | // Always generate the init method |
| 238 | | generateInitMethod(); |
| 239 | | |
| 240 | | // If this component exports an executable API, |
| 241 | | // generate a main method. |
| 242 | | if ( exportsExecutable ) { |
| 243 | | generateMainMethod(); |
| 244 | | } |
| 245 | | for ( Import i : x.getImports() ) { |
| 246 | | i.accept(this); |
| 247 | | } |
| 248 | | |
| 249 | | // determineOverloadedNames(x.getDecls() ); |
| 250 | | |
| 251 | | // Must do this first, to get local decls right. |
| 252 | | generateTopLevelOverloads(); |
| 253 | | |
| 254 | | for ( Decl d : x.getDecls() ) { |
| 255 | | d.accept(this); |
| 256 | | } |
| 257 | | |
| 258 | | |
| 259 | | |
| 260 | | dumpClass( packageAndClassName ); |
| 261 | | } |
| 262 | | |
| 263 | | /** |
| 264 | | * Creates overloaded functions for any overloads present at the top level |
| 265 | | * of this component. Top level overloads are those that might be exported; |
| 266 | | * Reference overloads are rewritten into _RewriteFnOverloadDecl nodes |
| 267 | | * and generated in the normal visits. |
| 268 | | */ |
| 269 | | private void generateTopLevelOverloads() { |
| 270 | | |
| 271 | | for (Map.Entry<IdOrOpOrAnonymousName, MultiMap<Integer, Function>> entry1 : topLevelOverloads.entrySet()) { |
| 272 | | IdOrOpOrAnonymousName name = entry1.getKey(); |
| 273 | | MultiMap<Integer, Function> partitionedByArgCount = entry1.getValue(); |
| 274 | | |
| 275 | | for (Map.Entry<Integer, Set<Function>> entry : partitionedByArgCount |
| 276 | | .entrySet()) { |
| 277 | | int i = entry.getKey(); |
| 278 | | Set<Function> fs = entry.getValue(); |
| 279 | | |
| 280 | | OverloadSet os = |
| 281 | | new OverloadSet.Local(ci.ast().getName(), name, |
| 282 | | ta, fs, i); |
| 283 | | |
| 284 | | os.split(true); |
| 285 | | |
| 286 | | String s = name.stringName(); |
| 287 | | |
| 288 | | os.generateAnOverloadDefinition(s, cw); |
| 289 | | |
| 290 | | for (Map.Entry<String, OverloadSet> o_entry : os.getOverloadSubsets().entrySet()) { |
| 291 | | String ss = o_entry.getKey(); |
| 292 | | ss = s + ss; |
| 293 | | overloadedNamesAndSigs.add(ss); |
| 294 | | } |
| 295 | | } |
| 296 | | } |
| 297 | | } |
| 298 | | |
| 299 | | Map<IdOrOpOrAnonymousName, MultiMap<Integer, Function>> |
| 300 | | sizePartitionedOverloads(Relation<IdOrOpOrAnonymousName, Function> fns) { |
| 301 | | |
| 302 | | Map<IdOrOpOrAnonymousName, MultiMap<Integer, Function>> result = |
| 303 | | new HashMap<IdOrOpOrAnonymousName, MultiMap<Integer, Function>>(); |
| 304 | | |
| 305 | | for (IdOrOpOrAnonymousName name : fns.firstSet()) { |
| 306 | | Set<Function> defs = fns.matchFirst(name); |
| 307 | | if (defs.size() <= 1) continue; |
| 308 | | |
| 309 | | MultiMap<Integer, Function> partitionedByArgCount = |
| 310 | | new MultiMap<Integer, Function>(); |
| 311 | | |
| 312 | | for (Function d : defs) { |
| 313 | | partitionedByArgCount.putItem(d.parameters().size(), d); |
| 314 | | } |
| 315 | | |
| 316 | | for (Function d : defs) { |
| 317 | | Set<Function> sf = partitionedByArgCount.get(d.parameters().size()); |
| 318 | | if (sf != null && sf.size() <= 1) |
| 319 | | partitionedByArgCount.remove(d.parameters().size()); |
| 320 | | } |
| 321 | | if (partitionedByArgCount.size() > 0) |
| 322 | | result.put(name, partitionedByArgCount); |
| 323 | | } |
| 324 | | |
| 325 | | return result; |
| 326 | | } |
| 327 | | |
| 328 | | public void forImportNames(ImportNames x) { |
| 329 | | debug("forImportNames", x); |
| 330 | | Option<String> foreign = x.getForeignLanguage(); |
| 331 | | if ( !foreign.isSome() ) return; |
| 332 | | if ( !foreign.unwrap().equals("java") ) { |
| 333 | | sayWhat(x, "Unrecognized foreign import type (only recognize java): "+ |
| 334 | | foreign.unwrap()); |
| 335 | | return; |
| 336 | | } |
| 337 | | String apiName = x.getApiName().getText(); |
| 338 | | for ( AliasedSimpleName n : x.getAliasedNames() ) { |
| 339 | | Option<IdOrOpOrAnonymousName> aliasId = n.getAlias(); |
| 340 | | if (!(aliasId.isSome())) continue; |
| 341 | | debug("forImportNames ", x, |
| 342 | | " aliasing ", NodeUtil.nameString(aliasId.unwrap()), |
| 343 | | " to ", NodeUtil.nameString(n.getName())); |
| 344 | | aliasTable.put(NodeUtil.nameString(aliasId.unwrap()), |
| 345 | | apiName + "." + NodeUtil.nameString(n.getName())); |
| 346 | | } |
| 347 | | } |
| 348 | | |
| | 333 | public void forBlock(Block x) { |
| | 334 | boolean oldInABlock = inABlock; |
| | 335 | inABlock = true; |
| | 336 | int onStack = 0; |
| | 337 | debug("forBlock ", x); |
| | 338 | for ( Expr e : x.getExprs() ) { |
| | 339 | popAll(onStack); |
| | 340 | e.accept(this); |
| | 341 | onStack = 1; |
| | 342 | // TODO: can we have multiple values on stack in future? |
| | 343 | // Whither primitive types? |
| | 344 | // May require some tracking of abstract stack state. |
| | 345 | // For now we always have 1 pointer on stack and this doesn't |
| | 346 | // matter. |
| | 347 | } |
| | 348 | inABlock=oldInABlock; |
| | 349 | } |
| 373 | | private void dumpSigs(List<Decl> decls) { |
| 374 | | debug("dumpSigs", decls); |
| 375 | | for (Decl d : decls) { |
| 376 | | debug("dumpSigs decl =", d); |
| 377 | | if (!(d instanceof FnDecl)) { |
| 378 | | sayWhat(d); |
| 379 | | return; |
| 380 | | } |
| 381 | | |
| 382 | | FnDecl f = (FnDecl) d; |
| 383 | | FnHeader h = f.getHeader(); |
| 384 | | IdOrOpOrAnonymousName xname = h.getName(); |
| 385 | | IdOrOp name = (IdOrOp) xname; |
| 386 | | String desc = Naming.generateTypeDescriptor(f); |
| 387 | | debug("about to call visitMethod with", name.getText(), |
| 388 | | " and desc ", desc); |
| 389 | | mv = cw.visitMethod(Opcodes.ACC_ABSTRACT + Opcodes.ACC_PUBLIC, |
| 390 | | NamingCzar.mangleIdentifier(name.getText()), desc, null, null); |
| | 418 | |
| | 419 | public void forDo(Do x) { |
| | 420 | debug("forDo ", x); |
| | 421 | int onStack = 0; |
| | 422 | for ( Block b : x.getFronts() ) { |
| | 423 | popAll(onStack); |
| | 424 | b.accept(this); |
| | 425 | onStack = 1; |
| | 426 | } |
| | 427 | } |
| | 428 | |
| | 429 | public void forFnDecl(FnDecl x) { |
| | 430 | debug("forFnDecl ", x ); |
| | 431 | FnHeader header = x.getHeader(); |
| | 432 | boolean canCompile = |
| | 433 | header.getStaticParams().isEmpty() && // no static parameter |
| | 434 | header.getWhereClause().isNone() && // no where clause |
| | 435 | header.getThrowsClause().isNone() && // no throws clause |
| | 436 | header.getContract().isNone() && // no contract |
| | 437 | header.getMods().isEmpty() && // no modifiers |
| | 438 | !inABlock; // no local functions |
| | 439 | |
| | 440 | if ( !canCompile ) sayWhat(x); |
| | 441 | |
| | 442 | Option<Expr> body = x.getBody(); |
| | 443 | IdOrOpOrAnonymousName name = header.getName(); |
| | 444 | List<Param> params = header.getParams(); |
| | 445 | boolean functionalMethod = false; |
| | 446 | boolean emitUnambiguous = false; |
| | 447 | |
| | 448 | for (Param p : params) { |
| | 449 | debug("iterating params looking for self : param = ", p); |
| | 450 | if (p.getName().getText() == "self") |
| | 451 | functionalMethod = true; |
| | 452 | } |
| | 453 | |
| | 454 | Option<com.sun.fortress.nodes.Type> returnType = header.getReturnType(); |
| | 455 | |
| | 456 | // For now every Fortress entity is made public, with |
| | 457 | // namespace management happening in Fortress-land. Right? |
| | 458 | int modifiers = Opcodes.ACC_PUBLIC; |
| | 459 | |
| | 460 | if ( body.isNone() ) |
| | 461 | sayWhat(x, "Abstract function declarations are not supported."); |
| | 462 | if ( returnType.isNone() ) |
| | 463 | sayWhat(x, "Return type is not inferred."); |
| | 464 | if ( !( name instanceof IdOrOp )) |
| | 465 | sayWhat(x, "Unhandled function name."); |
| | 466 | |
| | 467 | String nameString = ((IdOrOp)name).getText(); |
| | 468 | if ( name instanceof Id ) { |
| | 469 | Id id = (Id) name; |
| | 470 | debug("forId ", id, |
| | 471 | " class = ", Naming.getJavaClassForSymbol(id)); |
| | 472 | } else if ( name instanceof Op ) { |
| | 473 | Op op = (Op) name; |
| | 474 | Fixity fixity = op.getFixity(); |
| | 475 | boolean isEnclosing = op.isEnclosing(); |
| | 476 | Option<APIName> maybe_apiName = op.getApiName(); |
| | 477 | debug("forOp ", op, " fixity = ", fixity, |
| | 478 | " isEnclosing = ", isEnclosing, |
| | 479 | " class = ", Naming.getJavaClassForSymbol(op)); |
| | 480 | } else { |
| | 481 | sayWhat(x); |
| | 482 | } |
| | 483 | |
| | 484 | CodeGen cg = new CodeGen(this); |
| | 485 | cg.localsDepth = 0; |
| | 486 | |
| | 487 | if (!functionalMethod && (inAnObject || inATrait)) { |
| | 488 | // TODO: Add proper type information here based on the |
| | 489 | // enclosing trait/object decl. For now we can get away |
| | 490 | // with just stashing a null as we're not using it to |
| | 491 | // determine stack sizing or anything similarly crucial. |
| | 492 | cg.addLocalVar(new VarCodeGen.SelfVar(NodeUtil.getSpan(name), null)); |
| | 493 | } else if (!nameString.equals("run")) { |
| | 494 | // Top-level function or functional method |
| | 495 | |
| | 496 | // I'm a little puzzled about how else "run" might be called, |
| | 497 | // if it is not static. (DRC) |
| | 498 | modifiers += Opcodes.ACC_STATIC; |
| | 499 | } |
| | 500 | |
| | 501 | String mname = NamingCzar.mangleIdentifier(nameString); |
| | 502 | String sig = Naming.emitFnDeclDesc(NodeUtil.getParamType(x), |
| | 503 | returnType.unwrap()); |
| | 504 | |
| | 505 | if (overloadedNamesAndSigs.contains(mname+sig)) { |
| | 506 | mname = NamingCzar.only.mangleAwayFromOverload(mname); |
| | 507 | } |
| | 508 | |
| | 509 | cg.mv = cw.visitMethod(modifiers, |
| | 510 | mname, |
| | 511 | sig, |
| | 512 | null, null); |
| | 513 | |
| | 514 | // Now inside method body. Generate code for the method body. |
| | 515 | for (Param p : params) { |
| | 516 | VarCodeGen v = cg.addParam(p); |
| | 517 | // v.pushValue(cg.mv); |
| | 518 | } |
| | 519 | body.unwrap().accept(cg); |
| | 520 | |
| | 521 | // Method body is complete except for returning final result if any. |
| | 522 | // TODO: Fancy footwork here later on if we need to return a non-pointer; |
| | 523 | // for now every fortress functional returns a single pointer result. |
| | 524 | cg.mv.visitInsn(Opcodes.ARETURN); |
| | 525 | cg.mv.visitMaxs(NamingCzar.ignore,NamingCzar.ignore); |
| | 526 | cg.mv.visitEnd(); |
| | 527 | // Method body complete, cg now invalid. |
| | 528 | |
| | 529 | // Check to see if a wrapper is needed. |
| | 530 | if (topLevelOverloads.containsKey(name)) { |
| | 531 | |
| | 532 | } |
| | 533 | |
| | 534 | Option<IdOrOp> iun = x.getImplementsUnambiguousName(); |
| | 535 | |
| | 536 | if (iun.isSome()) { |
| | 537 | |
| | 538 | } |
| | 539 | } |
| | 540 | |
| | 541 | |
| | 542 | // Setting up the alias table which we will refer to at runtime. |
| | 543 | public void forFnRef(FnRef x) { |
| | 544 | debug("forFnRef ", x); |
| | 545 | String name = x.getOriginalName().getText(); |
| | 546 | Option<com.sun.fortress.nodes.Type> type = x.getInfo().getExprType(); |
| | 547 | if ( type.isNone() ) { |
| | 548 | sayWhat( x, "The type of this expression is not inferred." ); |
| | 549 | } |
| | 550 | /* Arrow, or perhaps an intersection if it is an overloaded function. */ |
| | 551 | com.sun.fortress.nodes.Type arrow = type.unwrap(); |
| | 552 | |
| | 553 | List<IdOrOp> names = x.getNames(); |
| | 554 | |
| | 555 | /* Note that after pre-processing in the overload rewriter, there is |
| | 556 | * only one name here; this is not an overload check. |
| | 557 | */ |
| | 558 | if ( names.size() == 1) { |
| | 559 | IdOrOp fnName = names.get(0); |
| | 560 | Option<APIName> apiName = fnName.getApiName(); |
| | 561 | if (apiName.isSome() && ForeignJava.only.definesApi(apiName.unwrap())) { |
| | 562 | |
| | 563 | if ( aliasTable.containsKey(name) ) { |
| | 564 | String n = aliasTable.get(name); |
| | 565 | // Cheating by assuming class is everything before the dot. |
| | 566 | int lastDot = n.lastIndexOf("."); |
| | 567 | String calleePackageAndClass = n.substring(0, lastDot).replace(".", "/"); |
| | 568 | String _method = n.substring(lastDot+1); |
| | 569 | |
| | 570 | |
| | 571 | callStaticSingleOrOverloaded(x, arrow, calleePackageAndClass, _method); |
| | 572 | } else { |
| | 573 | sayWhat(x, "Should be a foreign function in Alias table"); |
| | 574 | } |
| | 575 | |
| | 576 | } else { |
| | 577 | // NOT Foreign |
| | 578 | |
| | 579 | // deal with in component, or in imported api. |
| | 580 | String calleePackageAndClass = apiName.isSome() ? |
| | 581 | NamingCzar.fortressPackage + "/" + apiName.unwrap().getText() |
| | 582 | : packageAndClassName; |
| | 583 | String _method = fnName.getText(); |
| | 584 | |
| | 585 | callStaticSingleOrOverloaded(x, arrow, calleePackageAndClass, _method); |
| | 586 | |
| | 587 | |
| | 588 | } |
| | 589 | } else { |
| | 590 | // sayWhat(x, "Expected to see only one name here"); |
| | 591 | // } |
| | 592 | // } |
| | 593 | } |
| | 594 | } |
| | 595 | |
| | 596 | public void forIf(If x) { |
| | 597 | Debug.debug( Debug.Type.CODEGEN, 1,"forIf " + x); |
| | 598 | List<IfClause> clauses = x.getClauses(); |
| | 599 | Option<Block> elseClause = x.getElseClause(); |
| | 600 | if (clauses.size() > 1) throw new CompilerError(NodeUtil.getSpan(x), "Don't know how to compile multiple if clauses yet"); |
| | 601 | |
| | 602 | org.objectweb.asm.Label action = new org.objectweb.asm.Label(); |
| | 603 | org.objectweb.asm.Label done = new org.objectweb.asm.Label(); |
| | 604 | IfClause ifclause = clauses.get(0); |
| | 605 | GeneratorClause cond = ifclause.getTestClause(); |
| | 606 | |
| | 607 | if (!cond.getBind().isEmpty()) |
| | 608 | sayWhat(x, "Undesugared generalized if expression."); |
| | 609 | |
| | 610 | Expr testExpr = cond.getInit(); |
| | 611 | debug( "about to accept " + testExpr + " of class " + testExpr.getClass()); |
| | 612 | testExpr.accept(this); |
| | 613 | addLineNumberInfo(x); |
| | 614 | mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, NamingCzar.internalFortressBoolean, "getValue", |
| | 615 | NamingCzar.makeMethodDesc("", NamingCzar.descBoolean)); |
| | 616 | |
| | 617 | mv.visitJumpInsn(Opcodes.IFNE, action); |
| | 618 | Option<Block> maybe_else = x.getElseClause(); |
| | 619 | if (maybe_else.isSome()) { |
| | 620 | maybe_else.unwrap().accept(this); |
| | 621 | } |
| | 622 | mv.visitJumpInsn(Opcodes.GOTO, done); |
| | 623 | mv.visitLabel(action); |
| | 624 | ifclause.getBody().accept(this); |
| | 625 | mv.visitLabel(done); |
| | 626 | } |
| | 627 | |
| | 628 | public void forImportNames(ImportNames x) { |
| | 629 | debug("forImportNames", x); |
| | 630 | Option<String> foreign = x.getForeignLanguage(); |
| | 631 | if ( !foreign.isSome() ) return; |
| | 632 | if ( !foreign.unwrap().equals("java") ) { |
| | 633 | sayWhat(x, "Unrecognized foreign import type (only recognize java): "+ |
| | 634 | foreign.unwrap()); |
| | 635 | return; |
| | 636 | } |
| | 637 | String apiName = x.getApiName().getText(); |
| | 638 | for ( AliasedSimpleName n : x.getAliasedNames() ) { |
| | 639 | Option<IdOrOpOrAnonymousName> aliasId = n.getAlias(); |
| | 640 | if (!(aliasId.isSome())) continue; |
| | 641 | debug("forImportNames ", x, |
| | 642 | " aliasing ", NodeUtil.nameString(aliasId.unwrap()), |
| | 643 | " to ", NodeUtil.nameString(n.getName())); |
| | 644 | aliasTable.put(NodeUtil.nameString(aliasId.unwrap()), |
| | 645 | apiName + "." + NodeUtil.nameString(n.getName())); |
| | 646 | } |
| | 647 | } |
| | 648 | |
| | 649 | public void forIntLiteralExpr(IntLiteralExpr x) { |
| | 650 | debug("forIntLiteral ", x); |
| | 651 | BigInteger bi = x.getIntVal(); |
| | 652 | // This might not work. |
| | 653 | int l = bi.bitLength(); |
| | 654 | if (l < 32) { |
| | 655 | int y = bi.intValue(); |
| | 656 | addLineNumberInfo(x); |
| | 657 | pushInteger(y); |
| | 658 | addLineNumberInfo(x); |
| | 659 | |
| | 660 | mv.visitMethodInsn(Opcodes.INVOKESTATIC, |
| | 661 | NamingCzar.internalFortressZZ32, NamingCzar.make, |
| | 662 | NamingCzar.makeMethodDesc(NamingCzar.descInt, |
| | 663 | NamingCzar.descFortressZZ32)); |
| | 664 | } else if (l < 64) { |
| | 665 | long yy = bi.longValue(); |
| | 666 | addLineNumberInfo(x); |
| | 667 | mv.visitLdcInsn(yy); |
| | 668 | addLineNumberInfo(x); |
| | 669 | mv.visitMethodInsn(Opcodes.INVOKESTATIC, |
| | 670 | NamingCzar.internalFortressZZ64, NamingCzar.make, |
| | 671 | NamingCzar.makeMethodDesc(NamingCzar.descLong, |
| | 672 | NamingCzar.descFortressZZ64)); |
| | 673 | } |
| | 674 | } |
| | 675 | |
| | 676 | public void forObjectDecl(ObjectDecl x) { |
| | 677 | debug("forObjectDecl", x); |
| | 678 | TraitTypeHeader header = x.getHeader(); |
| | 679 | List<TraitTypeWhere> extendsC = header.getExtendsClause(); |
| | 680 | boolean canCompile = |
| | 681 | x.getParams().isNone() && // no parameters |
| | 682 | header.getStaticParams().isEmpty() && // no static parameter |
| | 683 | header.getWhereClause().isNone() && // no where clause |
| | 684 | header.getThrowsClause().isNone() && // no throws clause |
| | 685 | header.getContract().isNone() && // no contract |
| | 686 | // header.getDecls().isEmpty() && // no members |
| | 687 | header.getMods().isEmpty() && // no modifiers |
| | 688 | ( extendsC.size() <= 1 ); // 0 or 1 super trait |
| | 689 | if ( !canCompile ) sayWhat(x); |
| | 690 | inAnObject = true; |
| | 691 | String [] superInterfaces = NamingCzar.extendsClauseToInterfaces(extendsC); |
| | 692 | |
| | 693 | if (!header.getDecls().isEmpty()) { |
| | 694 | debug("header.getDecls:", header.getDecls()); |
| | 695 | |
| | 696 | cw.visitField(Opcodes.ACC_STATIC + Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, |
| | 697 | "default_args", |
| | 698 | "LCompilerSystem$args;", |
| | 699 | null, |
| | 700 | null); |
| | 701 | |
| | 702 | mv = cw.visitMethod(Opcodes.ACC_STATIC, |
| | 703 | "<clinit>", |
| | 704 | "()V", |
| | 705 | null, |
| | 706 | null); |
| | 707 | |
| | 708 | mv.visitTypeInsn(Opcodes.NEW, "CompilerSystem$args"); |
| | 709 | mv.visitInsn(Opcodes.DUP); |
| | 710 | mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "CompilerSystem$args", "<init>", NamingCzar.voidToVoid); |
| | 711 | mv.visitFieldInsn(Opcodes.PUTSTATIC, "CompilerSystem", "default_args", "LCompilerSystem$args;"); |
| | 712 | mv.visitInsn(Opcodes.RETURN); |
| 404 | | } |
| | 731 | // If we have a singleton object we can create a default_xxx accessor for it. |
| | 732 | if (d instanceof ObjectDecl) { |
| | 733 | } |
| | 734 | } |
| | 735 | dumpClass( classFile ); |
| | 736 | cw = prev; |
| | 737 | inAnObject = false; |
| | 738 | } |
| | 739 | |
| | 740 | public void forOpExpr(OpExpr x) { |
| | 741 | debug("forOpExpr ", x, " op = ", x.getOp(), |
| | 742 | " of class ", x.getOp().getClass(), " args = ", x.getArgs()); |
| | 743 | FunctionalRef op = x.getOp(); |
| | 744 | |
| | 745 | List<Expr> args = x.getArgs(); |
| | 746 | for (Expr arg : args) { |
| | 747 | arg.accept(this); |
| | 748 | } |
| | 749 | op.accept(this); |
| | 750 | } |
| | 751 | |
| | 752 | public void forOpRef(OpRef x) { |
| | 753 | debug("forOpRef " + x ); |
| | 754 | ExprInfo info = x.getInfo(); |
| | 755 | Option<com.sun.fortress.nodes.Type> exprType = info.getExprType(); |
| | 756 | List<StaticArg> staticArgs = x.getStaticArgs(); |
| | 757 | int lexicalDepth = x.getLexicalDepth(); |
| | 758 | IdOrOp originalName = x.getOriginalName(); |
| | 759 | List<IdOrOp> names = x.getNames(); |
| | 760 | Option<List<FunctionalRef>> overloadings = x.getOverloadings(); |
| | 761 | Option<com.sun.fortress.nodes.Type> overloadingType = x.getOverloadingType(); |
| | 762 | debug("forOpRef ", x, |
| | 763 | " info = ", info, "staticArgs = ", staticArgs, " exprType = ", exprType, |
| | 764 | " lexicalDepth = ", lexicalDepth, " originalName = ", originalName, |
| | 765 | " overloadings = ", overloadings, |
| | 766 | " overloadingType = ", overloadingType, " names = ", names); |
| | 767 | |
| | 768 | boolean canCompile = |
| | 769 | x.getStaticArgs().isEmpty() && |
| | 770 | x.getOverloadings().isNone() && |
| | 771 | names.size() == 1; |
| | 772 | |
| | 773 | if (canCompile) { |
| | 774 | String name = NamingCzar.mangleIdentifier(originalName.getText()); |
| | 775 | IdOrOp newName = names.get(0); |
| | 776 | Option<APIName> api = newName.getApiName(); |
| | 777 | |
| | 778 | addLineNumberInfo(x); |
| | 779 | |
| | 780 | if (api.isSome()) { |
| | 781 | APIName apiName = api.unwrap(); |
| | 782 | debug("forOpRef name = ", name, |
| | 783 | " api = ", apiName); |
| | 784 | if (exprType.isSome()) |
| | 785 | mv.visitMethodInsn(Opcodes.INVOKESTATIC, Naming.getJavaClassForSymbol(newName), |
| | 786 | NamingCzar.mangleIdentifier(newName.getText()), |
| | 787 | Naming.emitDesc(exprType.unwrap())); |
| | 788 | else |
| | 789 | mv.visitMethodInsn(Opcodes.INVOKESTATIC, |
| | 790 | NamingCzar.fortressPackage + "/" + api.unwrap().getText(), |
| | 791 | NamingCzar.mangleIdentifier(newName.getText()), |
| | 792 | symbols.getTypeSignatureForIdOrOp(newName, component)); |
| | 793 | |
| | 794 | } else { |
| | 795 | if (exprType.isSome()) |
| | 796 | mv.visitMethodInsn(Opcodes.INVOKESTATIC, packageAndClassName, NamingCzar.mangleIdentifier(name), |
| | 797 | Naming.emitDesc(exprType.unwrap())); |
| | 798 | else |
| | 799 | mv.visitMethodInsn(Opcodes.INVOKESTATIC, packageAndClassName, |
| | 800 | NamingCzar.mangleIdentifier(name), symbols.getTypeSignatureForIdOrOp(newName, component)); |
| | 801 | } |
| | 802 | } else |
| | 803 | debug("forOpRef can't compile staticArgs ", |
| | 804 | x.getStaticArgs().isEmpty(), " overloadings ", |
| | 805 | x.getOverloadings().isNone()); |
| | 806 | |
| | 807 | } |
| | 808 | |
| | 809 | public void forStringLiteralExpr(StringLiteralExpr x) { |
| | 810 | // This is cheating, but the best we can do for now. |
| | 811 | // We make a FString and push it on the stack. |
| | 812 | debug("forStringLiteral ", x); |
| | 813 | addLineNumberInfo(x); |
| | 814 | mv.visitLdcInsn(x.getText()); |
| | 815 | addLineNumberInfo(x); |
| | 816 | mv.visitMethodInsn(Opcodes.INVOKESTATIC, NamingCzar.internalFortressString, NamingCzar.make, |
| | 817 | NamingCzar.makeMethodDesc(NamingCzar.descString, NamingCzar.descFortressString)); |
| | 818 | } |
| | 819 | |
| | 820 | public void forSubscriptExpr(SubscriptExpr x) { |
| | 821 | debug("forSubscriptExpr ", x); |
| | 822 | Expr obj = x.getObj(); |
| | 823 | List<Expr> subs = x.getSubs(); |
| | 824 | Option<Op> maybe_op = x.getOp(); |
| | 825 | List<StaticArg> staticArgs = x.getStaticArgs(); |
| | 826 | boolean canCompile = staticArgs.isEmpty() && maybe_op.isSome() && (obj instanceof VarRef); |
| | 827 | if (!canCompile) { sayWhat(x); return; } |
| | 828 | Op op = maybe_op.unwrap(); |
| | 829 | VarRef var = (VarRef) obj; |
| | 830 | Id id = var.getVarId(); |
| | 831 | |
| | 832 | debug("ForSubscriptExpr ", x, "obj = ", obj, |
| | 833 | " subs = ", subs, " op = ", op, " static args = ", staticArgs, |
| | 834 | " varRef = ", id.getText()); |
| | 835 | |
| | 836 | addLineNumberInfo(x); |
| | 837 | mv.visitFieldInsn(Opcodes.GETSTATIC, Naming.getJavaClassForSymbol(id) , "default_" + id.getText(), |
| | 838 | "L" + Naming.getJavaClassForSymbol(id) + "$" + id.getText() + ";"); |
| | 839 | |
| | 840 | |
| | 841 | |
| | 842 | for (Expr e : subs) { |
| | 843 | debug("calling accept on ", e); |
| | 844 | e.accept(this); |
| | 845 | } |
| | 846 | addLineNumberInfo(x); |
| | 847 | mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, |
| | 848 | Naming.getJavaClassForSymbol(id) + "$" + id.getText(), |
| | 849 | NamingCzar.mangleIdentifier(op.getText()), |
| | 850 | "(Lcom/sun/fortress/compiler/runtimeValues/FZZ32;)Lcom/sun/fortress/compiler/runtimeValues/FString;"); |
| 461 | | public void forObjectDecl(ObjectDecl x) { |
| 462 | | debug("forObjectDecl", x); |
| 463 | | TraitTypeHeader header = x.getHeader(); |
| 464 | | List<TraitTypeWhere> extendsC = header.getExtendsClause(); |
| 465 | | boolean canCompile = |
| 466 | | x.getParams().isNone() && // no parameters |
| 467 | | header.getStaticParams().isEmpty() && // no static parameter |
| 468 | | header.getWhereClause().isNone() && // no where clause |
| 469 | | header.getThrowsClause().isNone() && // no throws clause |
| 470 | | header.getContract().isNone() && // no contract |
| 471 | | // header.getDecls().isEmpty() && // no members |
| 472 | | header.getMods().isEmpty() && // no modifiers |
| 473 | | ( extendsC.size() <= 1 ); // 0 or 1 super trait |
| 474 | | if ( !canCompile ) sayWhat(x); |
| 475 | | inAnObject = true; |
| 476 | | String [] superInterfaces = NamingCzar.extendsClauseToInterfaces(extendsC); |
| 477 | | |
| 478 | | if (!header.getDecls().isEmpty()) { |
| 479 | | debug("header.getDecls:", header.getDecls()); |
| 480 | | |
| 481 | | cw.visitField(Opcodes.ACC_STATIC + Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, |
| 482 | | "default_args", |
| 483 | | "LCompilerSystem$args;", |
| 484 | | null, |
| 485 | | null); |
| 486 | | |
| 487 | | mv = cw.visitMethod(Opcodes.ACC_STATIC, |
| 488 | | "<clinit>", |
| 489 | | "()V", |
| 490 | | null, |
| 491 | | null); |
| 492 | | |
| 493 | | mv.visitTypeInsn(Opcodes.NEW, "CompilerSystem$args"); |
| 494 | | mv.visitInsn(Opcodes.DUP); |
| 495 | | mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "CompilerSystem$args", "<init>", NamingCzar.voidToVoid); |
| 496 | | mv.visitFieldInsn(Opcodes.PUTSTATIC, "CompilerSystem", "default_args", "LCompilerSystem$args;"); |
| 497 | | mv.visitInsn(Opcodes.RETURN); |
| 498 | | mv.visitMaxs(NamingCzar.ignore, NamingCzar.ignore); |
| 499 | | mv.visitEnd(); |
| 500 | | } |
| 501 | | |
| 502 | | String classFile = Naming.makeClassName(packageAndClassName, x); |
| 503 | | ClassWriter prev = cw; |
| 504 | | cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES); |
| 505 | | cw.visitSource(classFile, null); |
| 506 | | // Until we resolve the directory hierarchy problem. |
| 507 | | // cw.visit( Opcodes.V1_5, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER+ Opcodes.ACC_FINAL, |
| 508 | | // classFile, null, NamingCzar.internalObject, new String[] { parent }); |
| 509 | | cw.visit( Opcodes.V1_5, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER+ Opcodes.ACC_FINAL, |
| 510 | | classFile, null, NamingCzar.internalObject, superInterfaces); |
| 511 | | |
| 512 | | generateInitMethod(); |
| 513 | | |
| 514 | | for (Decl d : header.getDecls()) { |
| 515 | | d.accept(this); |
| 516 | | // If we have a singleton object we can create a default_xxx accessor for it. |
| 517 | | if (d instanceof ObjectDecl) { |
| 518 | | } |
| 519 | | } |
| 520 | | dumpClass( classFile ); |
| 521 | | cw = prev; |
| 522 | | inAnObject = false; |
| 523 | | } |
| 524 | | |
| 525 | | public void forOpExpr(OpExpr x) { |
| 526 | | debug("forOpExpr ", x, " op = ", x.getOp(), |
| 527 | | " of class ", x.getOp().getClass(), " args = ", x.getArgs()); |
| 528 | | FunctionalRef op = x.getOp(); |
| 529 | | |
| 530 | | List<Expr> args = x.getArgs(); |
| 531 | | for (Expr arg : args) { |
| 532 | | arg.accept(this); |
| 533 | | } |
| 534 | | op.accept(this); |
| 535 | | } |
| 536 | | |
| 537 | | private void addLineNumberInfo(ASTNode x) { |
| 538 | | addLineNumberInfo(mv, x); |
| 539 | | } |
| 540 | | |
| 541 | | private void addLineNumberInfo(MethodVisitor m, ASTNode x) { |
| 542 | | org.objectweb.asm.Label bogus_label = new org.objectweb.asm.Label(); |
| 543 | | m.visitLabel(bogus_label); |
| 544 | | Span span = NodeUtil.getSpan(x); |
| 545 | | SourceLoc begin = span.getBegin(); |
| 546 | | SourceLoc end = span.getEnd(); |
| 547 | | String fileName = span.getFileName(); |
| 548 | | m.visitLineNumber(begin.getLine(), bogus_label); |
| 549 | | } |
| 550 | | |
| 551 | | public static String jvmSignatureFor(Function f) { |
| 552 | | String sig; |
| 553 | | List<Param> params = f.parameters(); |
| 554 | | sig = "("; |
| 555 | | for (Param p : params ) { |
| 556 | | Type ty = p.getIdType().unwrap(); |
| 557 | | String toType = NamingCzar.only.boxedImplDesc(ty); |
| 558 | | sig += toType; |
| 559 | | } |
| 560 | | sig += ")"; |
| 561 | | sig += NamingCzar.only.boxedImplDesc(f.getReturnType()); |
| 562 | | return sig; |
| 563 | | } |
| 564 | | |
| 565 | | public void forOpRef(OpRef x) { |
| 566 | | debug("forOpRef " + x ); |
| 567 | | ExprInfo info = x.getInfo(); |
| 568 | | Option<com.sun.fortress.nodes.Type> exprType = info.getExprType(); |
| 569 | | List<StaticArg> staticArgs = x.getStaticArgs(); |
| 570 | | int lexicalDepth = x.getLexicalDepth(); |
| 571 | | IdOrOp originalName = x.getOriginalName(); |
| 572 | | List<IdOrOp> names = x.getNames(); |
| 573 | | Option<List<FunctionalRef>> overloadings = x.getOverloadings(); |
| 574 | | Option<com.sun.fortress.nodes.Type> overloadingType = x.getOverloadingType(); |
| 575 | | debug("forOpRef ", x, |
| 576 | | " info = ", info, "staticArgs = ", staticArgs, " exprType = ", exprType, |
| 577 | | " lexicalDepth = ", lexicalDepth, " originalName = ", originalName, |
| 578 | | " overloadings = ", overloadings, |
| 579 | | " overloadingType = ", overloadingType, " names = ", names); |
| 580 | | |
| 581 | | boolean canCompile = |
| 582 | | x.getStaticArgs().isEmpty() && |
| 583 | | x.getOverloadings().isNone() && |
| 584 | | names.size() == 1; |
| 585 | | |
| 586 | | if (canCompile) { |
| 587 | | String name = NamingCzar.mangleIdentifier(originalName.getText()); |
| 588 | | IdOrOp newName = names.get(0); |
| 589 | | Option<APIName> api = newName.getApiName(); |
| 590 | | |
| 591 | | addLineNumberInfo(x); |
| 592 | | |
| 593 | | if (api.isSome()) { |
| 594 | | APIName apiName = api.unwrap(); |
| 595 | | debug("forOpRef name = ", name, |
| 596 | | " api = ", apiName); |
| 597 | | if (exprType.isSome()) |
| 598 | | mv.visitMethodInsn(Opcodes.INVOKESTATIC, Naming.getJavaClassForSymbol(newName), |
| 599 | | NamingCzar.mangleIdentifier(newName.getText()), |
| 600 | | Naming.emitDesc(exprType.unwrap())); |
| 601 | | else |
| 602 | | mv.visitMethodInsn(Opcodes.INVOKESTATIC, |
| 603 | | NamingCzar.fortressPackage + "/" + api.unwrap().getText(), |
| 604 | | NamingCzar.mangleIdentifier(newName.getText()), |
| 605 | | symbols.getTypeSignatureForIdOrOp(newName, component)); |
| 606 | | |
| 607 | | } else { |
| 608 | | if (exprType.isSome()) |
| 609 | | mv.visitMethodInsn(Opcodes.INVOKESTATIC, packageAndClassName, NamingCzar.mangleIdentifier(name), |
| 610 | | Naming.emitDesc(exprType.unwrap())); |
| 611 | | else |
| 612 | | mv.visitMethodInsn(Opcodes.INVOKESTATIC, packageAndClassName, |
| 613 | | NamingCzar.mangleIdentifier(name), symbols.getTypeSignatureForIdOrOp(newName, component)); |
| 614 | | } |
| 615 | | } else |
| 616 | | debug("forOpRef can't compile staticArgs ", |
| 617 | | x.getStaticArgs().isEmpty(), " overloadings ", |
| 618 | | x.getOverloadings().isNone()); |
| 619 | | |
| 620 | | } |
| 621 | | |
| 622 | | public void for_RewriteFnOverloadDecl(_RewriteFnOverloadDecl x) { |
| 623 | | /* Note for refactoring -- this code does it the "right" way. |
| 624 | | * And also, this code NEEDS refactoring. |
| 625 | | */ |
| 626 | | List<IdOrOp> fns = x.getFns(); |
| 627 | | IdOrOp name = x.getName(); |
| 628 | | Option<com.sun.fortress.nodes.Type> ot = x.getType(); |
| 629 | | Relation<IdOrOpOrAnonymousName, Function> fnrl = ci.functions(); |
| 630 | | |
| 631 | | MultiMap<Integer, OverloadSet.TaggedFunctionName> byCount = |
| 632 | | new MultiMap<Integer,OverloadSet.TaggedFunctionName>(); |
| 633 | | |
| 634 | | for (IdOrOp fn : fns) { |
| 635 | | |
| 636 | | Option<APIName> fnapi = fn.getApiName(); |
| 637 | | PredicateSet<Function> set_of_f; |
| 638 | | APIName apiname; |
| 639 | | |
| 640 | | if (fnapi.isNone()) { |
| 641 | | apiname = ci.ast().getName(); |
| 642 | | set_of_f = fnrl.matchFirst(fn); |
| 643 | | } else { |
| 644 | | apiname = fnapi.unwrap(); |
| 645 | | ApiIndex ai = symbols.apis.get(apiname); |
| 646 | | IdOrOp fnnoapi = NodeFactory.makeLocalIdOrOp(fn); |
| 647 | | set_of_f = ai.functions().matchFirst(fnnoapi); |
| 648 | | } |
| 649 | | |
| 650 | | for (Function f : set_of_f) { |
| 651 | | OverloadSet.TaggedFunctionName tagged_f = new OverloadSet.TaggedFunctionName(apiname, f); |
| 652 | | byCount.putItem(f.parameters().size(), tagged_f); |
| 653 | | } |
| 654 | | |
| 655 | | for (Map.Entry<Integer, Set<OverloadSet.TaggedFunctionName>> entry : byCount |
| 656 | | .entrySet()) { |
| 657 | | int i = entry.getKey(); |
| 658 | | Set<OverloadSet.TaggedFunctionName> fs = entry.getValue(); |
| 659 | | if (fs.size() > 1) { |
| 660 | | OverloadSet os = new OverloadSet.AmongApis(name, |
| 661 | | ta, fs, i); |
| 662 | | |
| 663 | | os.split(false); |
| 664 | | os.generateAnOverloadDefinition(name.stringName(), cw); |
| 665 | | |
| 666 | | } |
| 667 | | } |
| 668 | | } |
| 669 | | } |
| 670 | | |
| 671 | | public void forFnDecl(FnDecl x) { |
| 672 | | debug("forFnDecl ", x ); |
| 673 | | FnHeader header = x.getHeader(); |
| 674 | | boolean canCompile = |
| 675 | | header.getStaticParams().isEmpty() && // no static parameter |
| 676 | | header.getWhereClause().isNone() && // no where clause |
| 677 | | header.getThrowsClause().isNone() && // no throws clause |
| 678 | | header.getContract().isNone() && // no contract |
| 679 | | header.getMods().isEmpty() && // no modifiers |
| 680 | | !inABlock; // no local functions |
| 681 | | |
| 682 | | if ( !canCompile ) sayWhat(x); |
| 683 | | |
| 684 | | Option<Expr> body = x.getBody(); |
| 685 | | IdOrOpOrAnonymousName name = header.getName(); |
| 686 | | List<Param> params = header.getParams(); |
| 687 | | boolean functionalMethod = false; |
| 688 | | boolean emitUnambiguous = false; |
| 689 | | |
| 690 | | for (Param p : params) { |
| 691 | | debug("iterating params looking for self : param = ", p); |
| 692 | | if (p.getName().getText() == "self") |
| 693 | | functionalMethod = true; |
| 694 | | } |
| 695 | | |
| 696 | | Option<com.sun.fortress.nodes.Type> returnType = header.getReturnType(); |
| 697 | | |
| 698 | | // For now every Fortress entity is made public, with |
| 699 | | // namespace management happening in Fortress-land. Right? |
| 700 | | int modifiers = Opcodes.ACC_PUBLIC; |
| 701 | | |
| 702 | | if ( body.isNone() ) |
| 703 | | sayWhat(x, "Abstract function declarations are not supported."); |
| 704 | | if ( returnType.isNone() ) |
| 705 | | sayWhat(x, "Return type is not inferred."); |
| 706 | | if ( !( name instanceof IdOrOp )) |
| 707 | | sayWhat(x, "Unhandled function name."); |
| 708 | | |
| 709 | | String nameString = ((IdOrOp)name).getText(); |
| 710 | | if ( name instanceof Id ) { |
| 711 | | Id id = (Id) name; |
| 712 | | debug("forId ", id, |
| 713 | | " class = ", Naming.getJavaClassForSymbol(id)); |
| 714 | | } else if ( name instanceof Op ) { |
| 715 | | Op op = (Op) name; |
| 716 | | Fixity fixity = op.getFixity(); |
| 717 | | boolean isEnclosing = op.isEnclosing(); |
| 718 | | Option<APIName> maybe_apiName = op.getApiName(); |
| 719 | | debug("forOp ", op, " fixity = ", fixity, |
| 720 | | " isEnclosing = ", isEnclosing, |
| 721 | | " class = ", Naming.getJavaClassForSymbol(op)); |
| 722 | | } else { |
| 723 | | sayWhat(x); |
| 724 | | } |
| 725 | | |
| 726 | | CodeGen cg = new CodeGen(this); |
| 727 | | cg.localsDepth = 0; |
| 728 | | |
| 729 | | if (!functionalMethod && (inAnObject || inATrait)) { |
| 730 | | // TODO: Add proper type information here based on the |
| 731 | | // enclosing trait/object decl. For now we can get away |
| 732 | | // with just stashing a null as we're not using it to |
| 733 | | // determine stack sizing or anything similarly crucial. |
| 734 | | cg.addLocalVar(new VarCodeGen.SelfVar(NodeUtil.getSpan(name), null)); |
| 735 | | } else if (!nameString.equals("run")) { |
| 736 | | // Top-level function or functional method |
| 737 | | |
| 738 | | // I'm a little puzzled about how else "run" might be called, |
| 739 | | // if it is not static. (DRC) |
| 740 | | modifiers += Opcodes.ACC_STATIC; |
| 741 | | } |
| 742 | | |
| 743 | | String mname = NamingCzar.mangleIdentifier(nameString); |
| 744 | | String sig = Naming.emitFnDeclDesc(NodeUtil.getParamType(x), |
| 745 | | returnType.unwrap()); |
| 746 | | |
| 747 | | if (overloadedNamesAndSigs.contains(mname+sig)) { |
| 748 | | mname = NamingCzar.only.mangleAwayFromOverload(mname); |
| 749 | | } |
| 750 | | |
| 751 | | cg.mv = cw.visitMethod(modifiers, |
| 752 | | mname, |
| 753 | | sig, |
| 754 | | null, null); |
| 755 | | |
| 756 | | // Now inside method body. Generate code for the method body. |
| 757 | | for (Param p : params) { |
| 758 | | VarCodeGen v = cg.addParam(p); |
| 759 | | // v.pushValue(cg.mv); |
| 760 | | } |
| 761 | | body.unwrap().accept(cg); |
| 762 | | |
| 763 | | // Method body is complete except for returning final result if any. |
| 764 | | // TODO: Fancy footwork here later on if we need to return a non-pointer; |
| 765 | | // for now every fortress functional returns a single pointer result. |
| 766 | | cg.mv.visitInsn(Opcodes.ARETURN); |
| 767 | | cg.mv.visitMaxs(NamingCzar.ignore,NamingCzar.ignore); |
| 768 | | cg.mv.visitEnd(); |
| 769 | | // Method body complete, cg now invalid. |
| 770 | | |
| 771 | | // Check to see if a wrapper is needed. |
| 772 | | if (topLevelOverloads.containsKey(name)) { |
| 773 | | |
| 774 | | } |
| 775 | | |
| 776 | | Option<IdOrOp> iun = x.getImplementsUnambiguousName(); |
| 777 | | |
| 778 | | if (iun.isSome()) { |
| 779 | | |
| 780 | | } |
| 781 | | } |
| 782 | | |
| 783 | | public void forIf(If x) { |
| 784 | | Debug.debug( Debug.Type.CODEGEN, 1,"forIf " + x); |
| 785 | | List<IfClause> clauses = x.getClauses(); |
| 786 | | Option<Block> elseClause = x.getElseClause(); |
| 787 | | if (clauses.size() > 1) throw new CompilerError(NodeUtil.getSpan(x), "Don't know how to compile multiple if clauses yet"); |
| 788 | | |
| 789 | | org.objectweb.asm.Label action = new org.objectweb.asm.Label(); |
| 790 | | org.objectweb.asm.Label done = new org.objectweb.asm.Label(); |
| 791 | | IfClause ifclause = clauses.get(0); |
| 792 | | GeneratorClause cond = ifclause.getTestClause(); |
| 793 | | |
| 794 | | if (!cond.getBind().isEmpty()) |
| 795 | | sayWhat(x, "Undesugared generalized if expression."); |
| 796 | | |
| 797 | | Expr testExpr = cond.getInit(); |
| 798 | | debug( "about to accept " + testExpr + " of class " + testExpr.getClass()); |
| 799 | | testExpr.accept(this); |
| | 907 | public void forVarRef(VarRef v) { |
| | 908 | debug("forVarRef ", v, " which had better be local (for the moment)"); |
| | 909 | if (v.getStaticArgs().size() > 0) { |
| | 910 | sayWhat(v,"varRef with static args! That requires non-local VarRefs"); |
| | 911 | } |
| | 912 | VarCodeGen vcg = getLocalVar(v.getVarId()); |
| | 913 | vcg.pushValue(mv); |
| | 914 | } |
| | 915 | |
| | 916 | public void forVoidLiteralExpr(VoidLiteralExpr x) { |
| | 917 | debug("forVoidLiteral ", x); |
| 801 | | mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, NamingCzar.internalFortressBoolean, "getValue", |
| 802 | | NamingCzar.makeMethodDesc("", NamingCzar.descBoolean)); |
| 803 | | |
| 804 | | mv.visitJumpInsn(Opcodes.IFNE, action); |
| 805 | | Option<Block> maybe_else = x.getElseClause(); |
| 806 | | if (maybe_else.isSome()) { |
| 807 | | maybe_else.unwrap().accept(this); |
| 808 | | } |
| 809 | | mv.visitJumpInsn(Opcodes.GOTO, done); |
| 810 | | mv.visitLabel(action); |
| 811 | | ifclause.getBody().accept(this); |
| 812 | | mv.visitLabel(done); |
| 813 | | } |
| 814 | | |
| 815 | | private void popAll(int onStack) { |
| 816 | | if (onStack > 0) { |
| 817 | | for (; onStack > 1; onStack -= 2) { |
| 818 | | mv.visitInsn(Opcodes.POP2); |
| 819 | | } |
| 820 | | if (onStack==1) { |
| 821 | | mv.visitInsn(Opcodes.POP); |
| 822 | | } |
| 823 | | } |
| 824 | | } |
| 825 | | |
| 826 | | public void forDo(Do x) { |
| 827 | | debug("forDo ", x); |
| 828 | | int onStack = 0; |
| 829 | | for ( Block b : x.getFronts() ) { |
| 830 | | popAll(onStack); |
| 831 | | b.accept(this); |
| 832 | | onStack = 1; |
| 833 | | } |
| 834 | | } |
| 835 | | |
| 836 | | public void forBlock(Block x) { |
| 837 | | boolean oldInABlock = inABlock; |
| 838 | | inABlock = true; |
| 839 | | int onStack = 0; |
| 840 | | debug("forBlock ", x); |
| 841 | | for ( Expr e : x.getExprs() ) { |
| 842 | | popAll(onStack); |
| 843 | | e.accept(this); |
| 844 | | onStack = 1; |
| 845 | | // TODO: can we have multiple values on stack in future? |
| 846 | | // Whither primitive types? |
| 847 | | // May require some tracking of abstract stack state. |
| 848 | | // For now we always have 1 pointer on stack and this doesn't |
| 849 | | // matter. |
| 850 | | } |
| 851 | | inABlock=oldInABlock; |
| 852 | | } |
| 853 | | |
| 854 | | // Setting up the alias table which we will refer to at runtime. |
| 855 | | public void forFnRef(FnRef x) { |
| 856 | | debug("forFnRef ", x); |
| 857 | | String name = x.getOriginalName().getText(); |
| 858 | | Option<com.sun.fortress.nodes.Type> type = x.getInfo().getExprType(); |
| 859 | | if ( type.isNone() ) { |
| 860 | | sayWhat( x, "The type of this expression is not inferred." ); |
| 861 | | } |
| 862 | | /* Arrow, or perhaps an intersection if it is an overloaded function. */ |
| 863 | | com.sun.fortress.nodes.Type arrow = type.unwrap(); |
| 864 | | |
| 865 | | List<IdOrOp> names = x.getNames(); |
| 866 | | |
| 867 | | /* Note that after pre-processing in the overload rewriter, there is |
| 868 | | * only one name here; this is not an overload check. |
| 869 | | */ |
| 870 | | if ( names.size() == 1) { |
| 871 | | IdOrOp fnName = names.get(0); |
| 872 | | Option<APIName> apiName = fnName.getApiName(); |
| 873 | | if (apiName.isSome() && ForeignJava.only.definesApi(apiName.unwrap())) { |
| 874 | | |
| 875 | | if ( aliasTable.containsKey(name) ) { |
| 876 | | String n = aliasTable.get(name); |
| 877 | | // Cheating by assuming class is everything before the dot. |
| 878 | | int lastDot = n.lastIndexOf("."); |
| 879 | | String calleePackageAndClass = n.substring(0, lastDot).replace(".", "/"); |
| 880 | | String _method = n.substring(lastDot+1); |
| 881 | | |
| 882 | | |
| 883 | | callStaticSingleOrOverloaded(x, arrow, calleePackageAndClass, _method); |
| 884 | | } else { |
| 885 | | sayWhat(x, "Should be a foreign function in Alias table"); |
| 886 | | } |
| 887 | | |
| 888 | | } else { |
| 889 | | // NOT Foreign |
| 890 | | |
| 891 | | // deal with in component, or in imported api. |
| 892 | | String calleePackageAndClass = apiName.isSome() ? |
| 893 | | NamingCzar.fortressPackage + "/" + apiName.unwrap().getText() |
| 894 | | : packageAndClassName; |
| 895 | | String _method = fnName.getText(); |
| 896 | | |
| 897 | | callStaticSingleOrOverloaded(x, arrow, calleePackageAndClass, _method); |
| 898 | | |
| 899 | | |
| 900 | | } |
| 901 | | } else { |
| 902 | | sayWhat(x, "Expected to see only one name here"); |
| 903 | | } |
| 904 | | } |
| 905 | | |
| 906 | | /** |
| 907 | | * @param x |
| 908 | | * @param arrow |
| 909 | | * @param pkgAndClassName |
| 910 | | * @param methodName |
| 911 | | */ |
| 912 | | private void callStaticSingleOrOverloaded(FnRef x, |
| 913 | | com.sun.fortress.nodes.Type arrow, String pkgAndClassName, |
| 914 | | String methodName) { |
| 915 | | { |
| 916 | | debug("class = " + pkgAndClassName + " method = " + methodName ); |
| 917 | | |
| 918 | | if ( arrow instanceof ArrowType ) { |
| 919 | | addLineNumberInfo(x); |
| 920 | | mv.visitMethodInsn(Opcodes.INVOKESTATIC, pkgAndClassName, |
| 921 | | methodName, Naming.emitDesc(arrow)); |
| 922 | | } else if (arrow instanceof IntersectionType) { |
| 923 | | addLineNumberInfo(x); |
| 924 | | IntersectionType it = (IntersectionType) arrow; |
| 925 | | mv.visitMethodInsn(Opcodes.INVOKESTATIC, pkgAndClassName, |
| 926 | | OverloadSet.actuallyOverloaded(it, paramCount) ? |
| 927 | | OverloadSet.oMangle(methodName) :methodName, |
| 928 | | OverloadSet.getSignature(it, paramCount, ta)); |
| 929 | | } else { |
| 930 | | sayWhat( x, "Neither arrow nor intersection type: " + arrow ); |
| 931 | | } |
| 932 | | } |
| 933 | | |
| 934 | | } |
| 935 | | |
| 936 | | // paramCount communicates this information from call to function reference, |
| 937 | | // as it's needed to determine type descriptors for methods. |
| 938 | | private int paramCount = -1; |
| | 919 | mv.visitMethodInsn(Opcodes.INVOKESTATIC, NamingCzar.internalFortressVoid, NamingCzar.make, |
| | 920 | NamingCzar.makeMethodDesc("", NamingCzar.descFortressVoid)); |
| | 921 | |
| | 922 | } |
| 967 | | public void forSubscriptExpr(SubscriptExpr x) { |
| 968 | | debug("forSubscriptExpr ", x); |
| 969 | | Expr obj = x.getObj(); |
| 970 | | List<Expr> subs = x.getSubs(); |
| 971 | | Option<Op> maybe_op = x.getOp(); |
| 972 | | List<StaticArg> staticArgs = x.getStaticArgs(); |
| 973 | | boolean canCompile = staticArgs.isEmpty() && maybe_op.isSome() && (obj instanceof VarRef); |
| 974 | | if (!canCompile) { sayWhat(x); return; } |
| 975 | | Op op = maybe_op.unwrap(); |
| 976 | | VarRef var = (VarRef) obj; |
| 977 | | Id id = var.getVarId(); |
| 978 | | |
| 979 | | debug("ForSubscriptExpr ", x, "obj = ", obj, |
| 980 | | " subs = ", subs, " op = ", op, " static args = ", staticArgs, |
| 981 | | " varRef = ", id.getText()); |
| 982 | | |
| 983 | | addLineNumberInfo(x); |
| 984 | | mv.visitFieldInsn(Opcodes.GETSTATIC, Naming.getJavaClassForSymbol(id) , "default_" + id.getText(), |
| 985 | | "L" + Naming.getJavaClassForSymbol(id) + "$" + id.getText() + ";"); |
| 986 | | |
| 987 | | |
| 988 | | |
| 989 | | for (Expr e : subs) { |
| 990 | | debug("calling accept on ", e); |
| 991 | | e.accept(this); |
| 992 | | } |
| 993 | | addLineNumberInfo(x); |
| 994 | | mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, |
| 995 | | Naming.getJavaClassForSymbol(id) + "$" + id.getText(), |
| 996 | | NamingCzar.mangleIdentifier(op.getText()), |
| 997 | | "(Lcom/sun/fortress/compiler/runtimeValues/FZZ32;)Lcom/sun/fortress/compiler/runtimeValues/FString;"); |
| 998 | | } |
| 999 | | |
| 1000 | | |
| 1001 | | public void forIntLiteralExpr(IntLiteralExpr x) { |
| 1002 | | debug("forIntLiteral ", x); |
| 1003 | | BigInteger bi = x.getIntVal(); |
| 1004 | | // This might not work. |
| 1005 | | int l = bi.bitLength(); |
| 1006 | | if (l < 32) { |
| 1007 | | int y = bi.intValue(); |
| 1008 | | addLineNumberInfo(x); |
| 1009 | | pushInteger(y); |
| 1010 | | addLineNumberInfo(x); |
| 1011 | | |
| 1012 | | mv.visitMethodInsn(Opcodes.INVOKESTATIC, |
| 1013 | | NamingCzar.internalFortressZZ32, NamingCzar.make, |
| 1014 | | NamingCzar.makeMethodDesc(NamingCzar.descInt, |
| 1015 | | NamingCzar.descFortressZZ32)); |
| 1016 | | } else if (l < 64) { |
| 1017 | | long yy = bi.longValue(); |
| 1018 | | addLineNumberInfo(x); |
| 1019 | | mv.visitLdcInsn(yy); |
| 1020 | | addLineNumberInfo(x); |
| 1021 | | mv.visitMethodInsn(Opcodes.INVOKESTATIC, |
| 1022 | | NamingCzar.internalFortressZZ64, NamingCzar.make, |
| 1023 | | NamingCzar.makeMethodDesc(NamingCzar.descLong, |
| 1024 | | NamingCzar.descFortressZZ64)); |
| 1025 | | } |
| 1026 | | } |
| 1027 | | |
| | 951 | public void for_RewriteFnOverloadDecl(_RewriteFnOverloadDecl x) { |
| | 952 | /* Note for refactoring -- this code does it the "right" way. |
| | 953 | * And also, this code NEEDS refactoring. |
| | 954 | */ |
| | 955 | List<IdOrOp> fns = x.getFns(); |
| | 956 | IdOrOp name = x.getName(); |
| | 957 | Option<com.sun.fortress.nodes.Type> ot = x.getType(); |
| | 958 | Relation<IdOrOpOrAnonymousName, Function> fnrl = ci.functions(); |
| | 959 | |
| | 960 | MultiMap<Integer, OverloadSet.TaggedFunctionName> byCount = |
| | 961 | new MultiMap<Integer,OverloadSet.TaggedFunctionName>(); |
| | 962 | |
| | 963 | for (IdOrOp fn : fns) { |
| | 964 | |
| | 965 | Option<APIName> fnapi = fn.getApiName(); |
| | 966 | PredicateSet<Function> set_of_f; |
| | 967 | APIName apiname; |
| | 968 | |
| | 969 | if (fnapi.isNone()) { |
| | 970 | apiname = ci.ast().getName(); |
| | 971 | set_of_f = fnrl.matchFirst(fn); |
| | 972 | } else { |
| | 973 | apiname = fnapi.unwrap(); |
| | 974 | ApiIndex ai = symbols.apis.get(apiname); |
| | 975 | IdOrOp fnnoapi = NodeFactory.makeLocalIdOrOp(fn); |
| | 976 | set_of_f = ai.functions().matchFirst(fnnoapi); |
| | 977 | } |
| | 978 | |
| | 979 | for (Function f : set_of_f) { |
| | 980 | OverloadSet.TaggedFunctionName tagged_f = new OverloadSet.TaggedFunctionName(apiname, f); |
| | 981 | byCount.putItem(f.parameters().size(), tagged_f); |
| | 982 | } |
| | 983 | |
| | 984 | for (Map.Entry<Integer, Set<OverloadSet.TaggedFunctionName>> entry : byCount |
| | 985 | .entrySet()) { |
| | 986 | int i = entry.getKey(); |
| | 987 | Set<OverloadSet.TaggedFunctionName> fs = entry.getValue(); |
| | 988 | if (fs.size() > 1) { |
| | 989 | OverloadSet os = new OverloadSet.AmongApis(name, |
| | 990 | ta, fs, i); |
| | 991 | |
| | 992 | os.split(false); |
| | 993 | os.generateAnOverloadDefinition(name.stringName(), cw); |
| | 994 | |
| | 995 | } |
| | 996 | } |
| | 997 | } |
| | 998 | } |
| | 999 | |
| | 1000 | |
| 1031 | | private void pushInteger(int y) { |
| 1032 | | switch (y) { |
| 1033 | | case 0: |
| 1034 | | mv.visitInsn(Opcodes.ICONST_0); |
| 1035 | | break; |
| 1036 | | case 1: |
| 1037 | | mv.visitInsn(Opcodes.ICONST_1); |
| 1038 | | break; |
| 1039 | | case 2: |
| 1040 | | mv.visitInsn(Opcodes.ICONST_2); |
| 1041 | | break; |
| 1042 | | case 3: |
| 1043 | | mv.visitInsn(Opcodes.ICONST_3); |
| 1044 | | break; |
| 1045 | | case 4: |
| 1046 | | mv.visitInsn(Opcodes.ICONST_4); |
| 1047 | | break; |
| 1048 | | case 5: |
| 1049 | | mv.visitInsn(Opcodes.ICONST_5); |
| 1050 | | break; |
| 1051 | | default: |
| 1052 | | mv.visitLdcInsn(y); |
| 1053 | | break; |
| 1054 | | } |
| 1055 | | |
| 1056 | | } |
| 1057 | | |
| 1058 | | |
| 1059 | | public void forStringLiteralExpr(StringLiteralExpr x) { |
| 1060 | | // This is cheating, but the best we can do for now. |
| 1061 | | // We make a FString and push it on the stack. |
| 1062 | | debug("forStringLiteral ", x); |
| 1063 | | addLineNumberInfo(x); |
| 1064 | | mv.visitLdcInsn(x.getText()); |
| 1065 | | addLineNumberInfo(x); |
| 1066 | | mv.visitMethodInsn(Opcodes.INVOKESTATIC, NamingCzar.internalFortressString, NamingCzar.make, |
| 1067 | | NamingCzar.makeMethodDesc(NamingCzar.descString, NamingCzar.descFortressString)); |
| 1068 | | } |
| 1069 | | |
| 1070 | | public void forVoidLiteralExpr(VoidLiteralExpr x) { |
| 1071 | | debug("forVoidLiteral ", x); |
| 1072 | | addLineNumberInfo(x); |
| 1073 | | mv.visitMethodInsn(Opcodes.INVOKESTATIC, NamingCzar.internalFortressVoid, NamingCzar.make, |
| 1074 | | NamingCzar.makeMethodDesc("", NamingCzar.descFortressVoid)); |
| 1075 | | |
| 1076 | | } |
| 1077 | | |
| 1078 | | public void forVarRef(VarRef v) { |
| 1079 | | debug("forVarRef ", v, " which had better be local (for the moment)"); |
| 1080 | | if (v.getStaticArgs().size() > 0) { |
| 1081 | | sayWhat(v,"varRef with static args! That requires non-local VarRefs"); |
| 1082 | | } |
| 1083 | | VarCodeGen vcg = getLocalVar(v.getVarId()); |
| 1084 | | vcg.pushValue(mv); |
| 1085 | | } |
| 1086 | | |
| | 1007 | private void generateTopLevelOverloads() { |
| | 1008 | |
| | 1009 | for (Map.Entry<IdOrOpOrAnonymousName, MultiMap<Integer, Function>> entry1 : topLevelOverloads.entrySet()) { |
| | 1010 | IdOrOpOrAnonymousName name = entry1.getKey(); |
| | 1011 | MultiMap<Integer, Function> partitionedByArgCount = entry1.getValue(); |
| | 1012 | |
| | 1013 | for (Map.Entry<Integer, Set<Function>> entry : partitionedByArgCount |
| | 1014 | .entrySet()) { |
| | 1015 | int i = entry.getKey(); |
| | 1016 | Set<Function> fs = entry.getValue(); |
| | 1017 | |
| | 1018 | OverloadSet os = |
| | 1019 | new OverloadSet.Local(ci.ast().getName(), name, |
| | 1020 | ta, fs, i); |
| | 1021 | |
| | 1022 | os.split(true); |
| | 1023 | |
| | 1024 | String s = name.stringName(); |
| | 1025 | |
| | 1026 | os.generateAnOverloadDefinition(s, cw); |
| | 1027 | |
| | 1028 | for (Map.Entry<String, OverloadSet> o_entry : os.getOverloadSubsets().entrySet()) { |
| | 1029 | String ss = o_entry.getKey(); |
| | 1030 | ss = s + ss; |
| | 1031 | overloadedNamesAndSigs.add(ss); |
| | 1032 | } |
| | 1033 | } |
| | 1034 | } |
| | 1035 | } |
| | 1036 | |
| | 1037 | Map<IdOrOpOrAnonymousName, MultiMap<Integer, Function>> |
| | 1038 | sizePartitionedOverloads(Relation<IdOrOpOrAnonymousName, Function> fns) { |
| | 1039 | |
| | 1040 | Map<IdOrOpOrAnonymousName, MultiMap<Integer, Function>> result = |
| | 1041 | new HashMap<IdOrOpOrAnonymousName, MultiMap<Integer, Function>>(); |
| | 1042 | |
| | 1043 | for (IdOrOpOrAnonymousName name : fns.firstSet()) { |
| | 1044 | Set<Function> defs = fns.matchFirst(name); |
| | 1045 | if (defs.size() <= 1) continue; |
| | 1046 | |
| | 1047 | MultiMap<Integer, Function> partitionedByArgCount = |
| | 1048 | new MultiMap<Integer, Function>(); |
| | 1049 | |
| | 1050 | for (Function d : defs) { |
| | 1051 | partitionedByArgCount.putItem(d.parameters().size(), d); |
| | 1052 | } |
| | 1053 | |
| | 1054 | for (Function d : defs) { |
| | 1055 | Set<Function> sf = partitionedByArgCount.get(d.parameters().size()); |
| | 1056 | if (sf != null && sf.size() <= 1) |
| | 1057 | partitionedByArgCount.remove(d.parameters().size()); |
| | 1058 | } |
| | 1059 | if (partitionedByArgCount.size() > 0) |
| | 1060 | result.put(name, partitionedByArgCount); |
| | 1061 | } |
| | 1062 | |
| | 1063 | return result; |
| | 1064 | } |
| | 1065 | |
| | 1066 | |
| | 1067 | |
| | 1068 | private void dumpSigs(List<Decl> decls) { |
| | 1069 | debug("dumpSigs", decls); |
| | 1070 | for (Decl d : decls) { |
| | 1071 | debug("dumpSigs decl =", d); |
| | 1072 | if (!(d instanceof FnDecl)) { |
| | 1073 | sayWhat(d); |
| | 1074 | return; |
| | 1075 | } |
| | 1076 | |
| | 1077 | FnDecl f = (FnDecl) d; |
| | 1078 | FnHeader h = f.getHeader(); |
| | 1079 | IdOrOpOrAnonymousName xname = h.getName(); |
| | 1080 | IdOrOp name = (IdOrOp) xname; |
| | 1081 | String desc = Naming.generateTypeDescriptor(f); |
| | 1082 | debug("about to call visitMethod with", name.getText(), |
| | 1083 | " and desc ", desc); |
| | 1084 | mv = cw.visitMethod(Opcodes.ACC_ABSTRACT + Opcodes.ACC_PUBLIC, |
| | 1085 | NamingCzar.mangleIdentifier(name.getText()), desc, null, null); |
| | 1086 | mv.visitMaxs(NamingCzar.ignore, NamingCzar.ignore); |
| | 1087 | mv.visitEnd(); |
| | 1088 | } |
| | 1089 | } |