1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/classes/com/sun/tools/javac/comp/MemberEnter.java Sat Dec 01 00:00:00 2007 +0000 1.3 @@ -0,0 +1,1107 @@ 1.4 +/* 1.5 + * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. Sun designates this 1.11 + * particular file as subject to the "Classpath" exception as provided 1.12 + * by Sun in the LICENSE file that accompanied this code. 1.13 + * 1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.17 + * version 2 for more details (a copy is included in the LICENSE file that 1.18 + * accompanied this code). 1.19 + * 1.20 + * You should have received a copy of the GNU General Public License version 1.21 + * 2 along with this work; if not, write to the Free Software Foundation, 1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.23 + * 1.24 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 1.25 + * CA 95054 USA or visit www.sun.com if you need additional information or 1.26 + * have any questions. 1.27 + */ 1.28 + 1.29 +package com.sun.tools.javac.comp; 1.30 + 1.31 +import java.util.*; 1.32 +import java.util.Set; 1.33 +import javax.tools.JavaFileObject; 1.34 + 1.35 +import com.sun.tools.javac.code.*; 1.36 +import com.sun.tools.javac.jvm.*; 1.37 +import com.sun.tools.javac.tree.*; 1.38 +import com.sun.tools.javac.util.*; 1.39 +import com.sun.tools.javac.util.List; 1.40 + 1.41 +import com.sun.tools.javac.code.Type.*; 1.42 +import com.sun.tools.javac.code.Symbol.*; 1.43 +import com.sun.tools.javac.tree.JCTree.*; 1.44 + 1.45 +import static com.sun.tools.javac.code.Flags.*; 1.46 +import static com.sun.tools.javac.code.Kinds.*; 1.47 +import static com.sun.tools.javac.code.TypeTags.*; 1.48 +import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; 1.49 + 1.50 +/** This is the second phase of Enter, in which classes are completed 1.51 + * by entering their members into the class scope using 1.52 + * MemberEnter.complete(). See Enter for an overview. 1.53 + * 1.54 + * <p><b>This is NOT part of any API supported by Sun Microsystems. If 1.55 + * you write code that depends on this, you do so at your own risk. 1.56 + * This code and its internal interfaces are subject to change or 1.57 + * deletion without notice.</b> 1.58 + */ 1.59 +public class MemberEnter extends JCTree.Visitor implements Completer { 1.60 + protected static final Context.Key<MemberEnter> memberEnterKey = 1.61 + new Context.Key<MemberEnter>(); 1.62 + 1.63 + /** A switch to determine whether we check for package/class conflicts 1.64 + */ 1.65 + final static boolean checkClash = true; 1.66 + 1.67 + private final Name.Table names; 1.68 + private final Enter enter; 1.69 + private final Log log; 1.70 + private final Check chk; 1.71 + private final Attr attr; 1.72 + private final Symtab syms; 1.73 + private final TreeMaker make; 1.74 + private final ClassReader reader; 1.75 + private final Todo todo; 1.76 + private final Annotate annotate; 1.77 + private final Types types; 1.78 + private final Target target; 1.79 + 1.80 + private final boolean skipAnnotations; 1.81 + 1.82 + public static MemberEnter instance(Context context) { 1.83 + MemberEnter instance = context.get(memberEnterKey); 1.84 + if (instance == null) 1.85 + instance = new MemberEnter(context); 1.86 + return instance; 1.87 + } 1.88 + 1.89 + protected MemberEnter(Context context) { 1.90 + context.put(memberEnterKey, this); 1.91 + names = Name.Table.instance(context); 1.92 + enter = Enter.instance(context); 1.93 + log = Log.instance(context); 1.94 + chk = Check.instance(context); 1.95 + attr = Attr.instance(context); 1.96 + syms = Symtab.instance(context); 1.97 + make = TreeMaker.instance(context); 1.98 + reader = ClassReader.instance(context); 1.99 + todo = Todo.instance(context); 1.100 + annotate = Annotate.instance(context); 1.101 + types = Types.instance(context); 1.102 + target = Target.instance(context); 1.103 + skipAnnotations = 1.104 + Options.instance(context).get("skipAnnotations") != null; 1.105 + } 1.106 + 1.107 + /** A queue for classes whose members still need to be entered into the 1.108 + * symbol table. 1.109 + */ 1.110 + ListBuffer<Env<AttrContext>> halfcompleted = new ListBuffer<Env<AttrContext>>(); 1.111 + 1.112 + /** Set to true only when the first of a set of classes is 1.113 + * processed from the halfcompleted queue. 1.114 + */ 1.115 + boolean isFirst = true; 1.116 + 1.117 + /** A flag to disable completion from time to time during member 1.118 + * enter, as we only need to look up types. This avoids 1.119 + * unnecessarily deep recursion. 1.120 + */ 1.121 + boolean completionEnabled = true; 1.122 + 1.123 + /* ---------- Processing import clauses ---------------- 1.124 + */ 1.125 + 1.126 + /** Import all classes of a class or package on demand. 1.127 + * @param pos Position to be used for error reporting. 1.128 + * @param tsym The class or package the members of which are imported. 1.129 + * @param toScope The (import) scope in which imported classes 1.130 + * are entered. 1.131 + */ 1.132 + private void importAll(int pos, 1.133 + final TypeSymbol tsym, 1.134 + Env<AttrContext> env) { 1.135 + // Check that packages imported from exist (JLS ???). 1.136 + if (tsym.kind == PCK && tsym.members().elems == null && !tsym.exists()) { 1.137 + // If we can't find java.lang, exit immediately. 1.138 + if (((PackageSymbol)tsym).fullname.equals(names.java_lang)) { 1.139 + JCDiagnostic msg = JCDiagnostic.fragment("fatal.err.no.java.lang"); 1.140 + throw new FatalError(msg); 1.141 + } else { 1.142 + log.error(pos, "doesnt.exist", tsym); 1.143 + } 1.144 + } 1.145 + final Scope fromScope = tsym.members(); 1.146 + final Scope toScope = env.toplevel.starImportScope; 1.147 + for (Scope.Entry e = fromScope.elems; e != null; e = e.sibling) { 1.148 + if (e.sym.kind == TYP && !toScope.includes(e.sym)) 1.149 + toScope.enter(e.sym, fromScope); 1.150 + } 1.151 + } 1.152 + 1.153 + /** Import all static members of a class or package on demand. 1.154 + * @param pos Position to be used for error reporting. 1.155 + * @param tsym The class or package the members of which are imported. 1.156 + * @param toScope The (import) scope in which imported classes 1.157 + * are entered. 1.158 + */ 1.159 + private void importStaticAll(int pos, 1.160 + final TypeSymbol tsym, 1.161 + Env<AttrContext> env) { 1.162 + final JavaFileObject sourcefile = env.toplevel.sourcefile; 1.163 + final Scope toScope = env.toplevel.starImportScope; 1.164 + final PackageSymbol packge = env.toplevel.packge; 1.165 + final TypeSymbol origin = tsym; 1.166 + 1.167 + // enter imported types immediately 1.168 + new Object() { 1.169 + Set<Symbol> processed = new HashSet<Symbol>(); 1.170 + void importFrom(TypeSymbol tsym) { 1.171 + if (tsym == null || !processed.add(tsym)) 1.172 + return; 1.173 + 1.174 + // also import inherited names 1.175 + importFrom(types.supertype(tsym.type).tsym); 1.176 + for (Type t : types.interfaces(tsym.type)) 1.177 + importFrom(t.tsym); 1.178 + 1.179 + final Scope fromScope = tsym.members(); 1.180 + for (Scope.Entry e = fromScope.elems; e != null; e = e.sibling) { 1.181 + Symbol sym = e.sym; 1.182 + if (sym.kind == TYP && 1.183 + (sym.flags() & STATIC) != 0 && 1.184 + staticImportAccessible(sym, packge) && 1.185 + sym.isMemberOf(origin, types) && 1.186 + !toScope.includes(sym)) 1.187 + toScope.enter(sym, fromScope, origin.members()); 1.188 + } 1.189 + } 1.190 + }.importFrom(tsym); 1.191 + 1.192 + // enter non-types before annotations that might use them 1.193 + annotate.earlier(new Annotate.Annotator() { 1.194 + Set<Symbol> processed = new HashSet<Symbol>(); 1.195 + 1.196 + public String toString() { 1.197 + return "import static " + tsym + ".*" + " in " + sourcefile; 1.198 + } 1.199 + void importFrom(TypeSymbol tsym) { 1.200 + if (tsym == null || !processed.add(tsym)) 1.201 + return; 1.202 + 1.203 + // also import inherited names 1.204 + importFrom(types.supertype(tsym.type).tsym); 1.205 + for (Type t : types.interfaces(tsym.type)) 1.206 + importFrom(t.tsym); 1.207 + 1.208 + final Scope fromScope = tsym.members(); 1.209 + for (Scope.Entry e = fromScope.elems; e != null; e = e.sibling) { 1.210 + Symbol sym = e.sym; 1.211 + if (sym.isStatic() && sym.kind != TYP && 1.212 + staticImportAccessible(sym, packge) && 1.213 + !toScope.includes(sym) && 1.214 + sym.isMemberOf(origin, types)) { 1.215 + toScope.enter(sym, fromScope, origin.members()); 1.216 + } 1.217 + } 1.218 + } 1.219 + public void enterAnnotation() { 1.220 + importFrom(tsym); 1.221 + } 1.222 + }); 1.223 + } 1.224 + 1.225 + // is the sym accessible everywhere in packge? 1.226 + boolean staticImportAccessible(Symbol sym, PackageSymbol packge) { 1.227 + int flags = (int)(sym.flags() & AccessFlags); 1.228 + switch (flags) { 1.229 + default: 1.230 + case PUBLIC: 1.231 + return true; 1.232 + case PRIVATE: 1.233 + return false; 1.234 + case 0: 1.235 + case PROTECTED: 1.236 + return sym.packge() == packge; 1.237 + } 1.238 + } 1.239 + 1.240 + /** Import statics types of a given name. Non-types are handled in Attr. 1.241 + * @param pos Position to be used for error reporting. 1.242 + * @param tsym The class from which the name is imported. 1.243 + * @param name The (simple) name being imported. 1.244 + * @param env The environment containing the named import 1.245 + * scope to add to. 1.246 + */ 1.247 + private void importNamedStatic(final DiagnosticPosition pos, 1.248 + final TypeSymbol tsym, 1.249 + final Name name, 1.250 + final Env<AttrContext> env) { 1.251 + if (tsym.kind != TYP) { 1.252 + log.error(pos, "static.imp.only.classes.and.interfaces"); 1.253 + return; 1.254 + } 1.255 + 1.256 + final Scope toScope = env.toplevel.namedImportScope; 1.257 + final PackageSymbol packge = env.toplevel.packge; 1.258 + final TypeSymbol origin = tsym; 1.259 + 1.260 + // enter imported types immediately 1.261 + new Object() { 1.262 + Set<Symbol> processed = new HashSet<Symbol>(); 1.263 + void importFrom(TypeSymbol tsym) { 1.264 + if (tsym == null || !processed.add(tsym)) 1.265 + return; 1.266 + 1.267 + // also import inherited names 1.268 + importFrom(types.supertype(tsym.type).tsym); 1.269 + for (Type t : types.interfaces(tsym.type)) 1.270 + importFrom(t.tsym); 1.271 + 1.272 + for (Scope.Entry e = tsym.members().lookup(name); 1.273 + e.scope != null; 1.274 + e = e.next()) { 1.275 + Symbol sym = e.sym; 1.276 + if (sym.isStatic() && 1.277 + sym.kind == TYP && 1.278 + staticImportAccessible(sym, packge) && 1.279 + sym.isMemberOf(origin, types) && 1.280 + chk.checkUniqueStaticImport(pos, sym, toScope)) 1.281 + toScope.enter(sym, sym.owner.members(), origin.members()); 1.282 + } 1.283 + } 1.284 + }.importFrom(tsym); 1.285 + 1.286 + // enter non-types before annotations that might use them 1.287 + annotate.earlier(new Annotate.Annotator() { 1.288 + Set<Symbol> processed = new HashSet<Symbol>(); 1.289 + boolean found = false; 1.290 + 1.291 + public String toString() { 1.292 + return "import static " + tsym + "." + name; 1.293 + } 1.294 + void importFrom(TypeSymbol tsym) { 1.295 + if (tsym == null || !processed.add(tsym)) 1.296 + return; 1.297 + 1.298 + // also import inherited names 1.299 + importFrom(types.supertype(tsym.type).tsym); 1.300 + for (Type t : types.interfaces(tsym.type)) 1.301 + importFrom(t.tsym); 1.302 + 1.303 + for (Scope.Entry e = tsym.members().lookup(name); 1.304 + e.scope != null; 1.305 + e = e.next()) { 1.306 + Symbol sym = e.sym; 1.307 + if (sym.isStatic() && 1.308 + staticImportAccessible(sym, packge) && 1.309 + sym.isMemberOf(origin, types)) { 1.310 + found = true; 1.311 + if (sym.kind == MTH || 1.312 + sym.kind != TYP && chk.checkUniqueStaticImport(pos, sym, toScope)) 1.313 + toScope.enter(sym, sym.owner.members(), origin.members()); 1.314 + } 1.315 + } 1.316 + } 1.317 + public void enterAnnotation() { 1.318 + JavaFileObject prev = log.useSource(env.toplevel.sourcefile); 1.319 + try { 1.320 + importFrom(tsym); 1.321 + if (!found) { 1.322 + log.error(pos, "cant.resolve.location", 1.323 + JCDiagnostic.fragment("kindname.static"), 1.324 + name, "", "", Resolve.typeKindName(tsym.type), 1.325 + tsym.type); 1.326 + } 1.327 + } finally { 1.328 + log.useSource(prev); 1.329 + } 1.330 + } 1.331 + }); 1.332 + } 1.333 + /** Import given class. 1.334 + * @param pos Position to be used for error reporting. 1.335 + * @param tsym The class to be imported. 1.336 + * @param env The environment containing the named import 1.337 + * scope to add to. 1.338 + */ 1.339 + private void importNamed(DiagnosticPosition pos, Symbol tsym, Env<AttrContext> env) { 1.340 + if (tsym.kind == TYP && 1.341 + chk.checkUniqueImport(pos, tsym, env.toplevel.namedImportScope)) 1.342 + env.toplevel.namedImportScope.enter(tsym, tsym.owner.members()); 1.343 + } 1.344 + 1.345 + /** Construct method type from method signature. 1.346 + * @param typarams The method's type parameters. 1.347 + * @param params The method's value parameters. 1.348 + * @param res The method's result type, 1.349 + * null if it is a constructor. 1.350 + * @param thrown The method's thrown exceptions. 1.351 + * @param env The method's (local) environment. 1.352 + */ 1.353 + Type signature(List<JCTypeParameter> typarams, 1.354 + List<JCVariableDecl> params, 1.355 + JCTree res, 1.356 + List<JCExpression> thrown, 1.357 + Env<AttrContext> env) { 1.358 + 1.359 + // Enter and attribute type parameters. 1.360 + List<Type> tvars = enter.classEnter(typarams, env); 1.361 + attr.attribTypeVariables(typarams, env); 1.362 + 1.363 + // Enter and attribute value parameters. 1.364 + ListBuffer<Type> argbuf = new ListBuffer<Type>(); 1.365 + for (List<JCVariableDecl> l = params; l.nonEmpty(); l = l.tail) { 1.366 + memberEnter(l.head, env); 1.367 + argbuf.append(l.head.vartype.type); 1.368 + } 1.369 + 1.370 + // Attribute result type, if one is given. 1.371 + Type restype = res == null ? syms.voidType : attr.attribType(res, env); 1.372 + 1.373 + // Attribute thrown exceptions. 1.374 + ListBuffer<Type> thrownbuf = new ListBuffer<Type>(); 1.375 + for (List<JCExpression> l = thrown; l.nonEmpty(); l = l.tail) { 1.376 + Type exc = attr.attribType(l.head, env); 1.377 + if (exc.tag != TYPEVAR) 1.378 + exc = chk.checkClassType(l.head.pos(), exc); 1.379 + thrownbuf.append(exc); 1.380 + } 1.381 + Type mtype = new MethodType(argbuf.toList(), 1.382 + restype, 1.383 + thrownbuf.toList(), 1.384 + syms.methodClass); 1.385 + return tvars.isEmpty() ? mtype : new ForAll(tvars, mtype); 1.386 + } 1.387 + 1.388 +/* ******************************************************************** 1.389 + * Visitor methods for member enter 1.390 + *********************************************************************/ 1.391 + 1.392 + /** Visitor argument: the current environment 1.393 + */ 1.394 + protected Env<AttrContext> env; 1.395 + 1.396 + /** Enter field and method definitions and process import 1.397 + * clauses, catching any completion failure exceptions. 1.398 + */ 1.399 + protected void memberEnter(JCTree tree, Env<AttrContext> env) { 1.400 + Env<AttrContext> prevEnv = this.env; 1.401 + try { 1.402 + this.env = env; 1.403 + tree.accept(this); 1.404 + } catch (CompletionFailure ex) { 1.405 + chk.completionError(tree.pos(), ex); 1.406 + } finally { 1.407 + this.env = prevEnv; 1.408 + } 1.409 + } 1.410 + 1.411 + /** Enter members from a list of trees. 1.412 + */ 1.413 + void memberEnter(List<? extends JCTree> trees, Env<AttrContext> env) { 1.414 + for (List<? extends JCTree> l = trees; l.nonEmpty(); l = l.tail) 1.415 + memberEnter(l.head, env); 1.416 + } 1.417 + 1.418 + /** Enter members for a class. 1.419 + */ 1.420 + void finishClass(JCClassDecl tree, Env<AttrContext> env) { 1.421 + if ((tree.mods.flags & Flags.ENUM) != 0 && 1.422 + (types.supertype(tree.sym.type).tsym.flags() & Flags.ENUM) == 0) { 1.423 + addEnumMembers(tree, env); 1.424 + } 1.425 + memberEnter(tree.defs, env); 1.426 + } 1.427 + 1.428 + /** Add the implicit members for an enum type 1.429 + * to the symbol table. 1.430 + */ 1.431 + private void addEnumMembers(JCClassDecl tree, Env<AttrContext> env) { 1.432 + JCExpression valuesType = make.Type(new ArrayType(tree.sym.type, syms.arrayClass)); 1.433 + 1.434 + // public static T[] values() { return ???; } 1.435 + JCMethodDecl values = make. 1.436 + MethodDef(make.Modifiers(Flags.PUBLIC|Flags.STATIC), 1.437 + names.values, 1.438 + valuesType, 1.439 + List.<JCTypeParameter>nil(), 1.440 + List.<JCVariableDecl>nil(), 1.441 + List.<JCExpression>nil(), // thrown 1.442 + null, //make.Block(0, Tree.emptyList.prepend(make.Return(make.Ident(names._null)))), 1.443 + null); 1.444 + memberEnter(values, env); 1.445 + 1.446 + // public static T valueOf(String name) { return ???; } 1.447 + JCMethodDecl valueOf = make. 1.448 + MethodDef(make.Modifiers(Flags.PUBLIC|Flags.STATIC), 1.449 + names.valueOf, 1.450 + make.Type(tree.sym.type), 1.451 + List.<JCTypeParameter>nil(), 1.452 + List.of(make.VarDef(make.Modifiers(Flags.PARAMETER), 1.453 + names.fromString("name"), 1.454 + make.Type(syms.stringType), null)), 1.455 + List.<JCExpression>nil(), // thrown 1.456 + null, //make.Block(0, Tree.emptyList.prepend(make.Return(make.Ident(names._null)))), 1.457 + null); 1.458 + memberEnter(valueOf, env); 1.459 + 1.460 + // the remaining members are for bootstrapping only 1.461 + if (!target.compilerBootstrap(tree.sym)) return; 1.462 + 1.463 + // public final int ordinal() { return ???; } 1.464 + JCMethodDecl ordinal = make.at(tree.pos). 1.465 + MethodDef(make.Modifiers(Flags.PUBLIC|Flags.FINAL), 1.466 + names.ordinal, 1.467 + make.Type(syms.intType), 1.468 + List.<JCTypeParameter>nil(), 1.469 + List.<JCVariableDecl>nil(), 1.470 + List.<JCExpression>nil(), 1.471 + null, 1.472 + null); 1.473 + memberEnter(ordinal, env); 1.474 + 1.475 + // public final String name() { return ???; } 1.476 + JCMethodDecl name = make. 1.477 + MethodDef(make.Modifiers(Flags.PUBLIC|Flags.FINAL), 1.478 + names._name, 1.479 + make.Type(syms.stringType), 1.480 + List.<JCTypeParameter>nil(), 1.481 + List.<JCVariableDecl>nil(), 1.482 + List.<JCExpression>nil(), 1.483 + null, 1.484 + null); 1.485 + memberEnter(name, env); 1.486 + 1.487 + // public int compareTo(E other) { return ???; } 1.488 + MethodSymbol compareTo = new 1.489 + MethodSymbol(Flags.PUBLIC, 1.490 + names.compareTo, 1.491 + new MethodType(List.of(tree.sym.type), 1.492 + syms.intType, 1.493 + List.<Type>nil(), 1.494 + syms.methodClass), 1.495 + tree.sym); 1.496 + memberEnter(make.MethodDef(compareTo, null), env); 1.497 + } 1.498 + 1.499 + public void visitTopLevel(JCCompilationUnit tree) { 1.500 + if (tree.starImportScope.elems != null) { 1.501 + // we must have already processed this toplevel 1.502 + return; 1.503 + } 1.504 + 1.505 + // check that no class exists with same fully qualified name as 1.506 + // toplevel package 1.507 + if (checkClash && tree.pid != null) { 1.508 + Symbol p = tree.packge; 1.509 + while (p.owner != syms.rootPackage) { 1.510 + p.owner.complete(); // enter all class members of p 1.511 + if (syms.classes.get(p.getQualifiedName()) != null) { 1.512 + log.error(tree.pos, 1.513 + "pkg.clashes.with.class.of.same.name", 1.514 + p); 1.515 + } 1.516 + p = p.owner; 1.517 + } 1.518 + } 1.519 + 1.520 + // process package annotations 1.521 + annotateLater(tree.packageAnnotations, env, tree.packge); 1.522 + 1.523 + // Import-on-demand java.lang. 1.524 + importAll(tree.pos, reader.enterPackage(names.java_lang), env); 1.525 + 1.526 + // Process all import clauses. 1.527 + memberEnter(tree.defs, env); 1.528 + } 1.529 + 1.530 + // process the non-static imports and the static imports of types. 1.531 + public void visitImport(JCImport tree) { 1.532 + JCTree imp = tree.qualid; 1.533 + Name name = TreeInfo.name(imp); 1.534 + TypeSymbol p; 1.535 + 1.536 + // Create a local environment pointing to this tree to disable 1.537 + // effects of other imports in Resolve.findGlobalType 1.538 + Env<AttrContext> localEnv = env.dup(tree); 1.539 + 1.540 + // Attribute qualifying package or class. 1.541 + JCFieldAccess s = (JCFieldAccess) imp; 1.542 + p = attr. 1.543 + attribTree(s.selected, 1.544 + localEnv, 1.545 + tree.staticImport ? TYP : (TYP | PCK), 1.546 + Type.noType).tsym; 1.547 + if (name == names.asterisk) { 1.548 + // Import on demand. 1.549 + chk.checkCanonical(s.selected); 1.550 + if (tree.staticImport) 1.551 + importStaticAll(tree.pos, p, env); 1.552 + else 1.553 + importAll(tree.pos, p, env); 1.554 + } else { 1.555 + // Named type import. 1.556 + if (tree.staticImport) { 1.557 + importNamedStatic(tree.pos(), p, name, localEnv); 1.558 + chk.checkCanonical(s.selected); 1.559 + } else { 1.560 + TypeSymbol c = attribImportType(imp, localEnv).tsym; 1.561 + chk.checkCanonical(imp); 1.562 + importNamed(tree.pos(), c, env); 1.563 + } 1.564 + } 1.565 + } 1.566 + 1.567 + public void visitMethodDef(JCMethodDecl tree) { 1.568 + Scope enclScope = enter.enterScope(env); 1.569 + MethodSymbol m = new MethodSymbol(0, tree.name, null, enclScope.owner); 1.570 + m.flags_field = chk.checkFlags(tree.pos(), tree.mods.flags, m, tree); 1.571 + tree.sym = m; 1.572 + Env<AttrContext> localEnv = methodEnv(tree, env); 1.573 + 1.574 + // Compute the method type 1.575 + m.type = signature(tree.typarams, tree.params, 1.576 + tree.restype, tree.thrown, 1.577 + localEnv); 1.578 + 1.579 + // Set m.params 1.580 + ListBuffer<VarSymbol> params = new ListBuffer<VarSymbol>(); 1.581 + JCVariableDecl lastParam = null; 1.582 + for (List<JCVariableDecl> l = tree.params; l.nonEmpty(); l = l.tail) { 1.583 + JCVariableDecl param = lastParam = l.head; 1.584 + assert param.sym != null; 1.585 + params.append(param.sym); 1.586 + } 1.587 + m.params = params.toList(); 1.588 + 1.589 + // mark the method varargs, if necessary 1.590 + if (lastParam != null && (lastParam.mods.flags & Flags.VARARGS) != 0) 1.591 + m.flags_field |= Flags.VARARGS; 1.592 + 1.593 + localEnv.info.scope.leave(); 1.594 + if (chk.checkUnique(tree.pos(), m, enclScope)) { 1.595 + enclScope.enter(m); 1.596 + } 1.597 + annotateLater(tree.mods.annotations, localEnv, m); 1.598 + if (tree.defaultValue != null) 1.599 + annotateDefaultValueLater(tree.defaultValue, localEnv, m); 1.600 + } 1.601 + 1.602 + /** Create a fresh environment for method bodies. 1.603 + * @param tree The method definition. 1.604 + * @param env The environment current outside of the method definition. 1.605 + */ 1.606 + Env<AttrContext> methodEnv(JCMethodDecl tree, Env<AttrContext> env) { 1.607 + Env<AttrContext> localEnv = 1.608 + env.dup(tree, env.info.dup(env.info.scope.dupUnshared())); 1.609 + localEnv.enclMethod = tree; 1.610 + localEnv.info.scope.owner = tree.sym; 1.611 + if ((tree.mods.flags & STATIC) != 0) localEnv.info.staticLevel++; 1.612 + return localEnv; 1.613 + } 1.614 + 1.615 + public void visitVarDef(JCVariableDecl tree) { 1.616 + Env<AttrContext> localEnv = env; 1.617 + if ((tree.mods.flags & STATIC) != 0 || 1.618 + (env.info.scope.owner.flags() & INTERFACE) != 0) { 1.619 + localEnv = env.dup(tree, env.info.dup()); 1.620 + localEnv.info.staticLevel++; 1.621 + } 1.622 + attr.attribType(tree.vartype, localEnv); 1.623 + Scope enclScope = enter.enterScope(env); 1.624 + VarSymbol v = 1.625 + new VarSymbol(0, tree.name, tree.vartype.type, enclScope.owner); 1.626 + v.flags_field = chk.checkFlags(tree.pos(), tree.mods.flags, v, tree); 1.627 + tree.sym = v; 1.628 + if (tree.init != null) { 1.629 + v.flags_field |= HASINIT; 1.630 + if ((v.flags_field & FINAL) != 0 && tree.init.getTag() != JCTree.NEWCLASS) 1.631 + v.setLazyConstValue(initEnv(tree, env), log, attr, tree.init); 1.632 + } 1.633 + if (chk.checkUnique(tree.pos(), v, enclScope)) { 1.634 + chk.checkTransparentVar(tree.pos(), v, enclScope); 1.635 + enclScope.enter(v); 1.636 + } 1.637 + annotateLater(tree.mods.annotations, localEnv, v); 1.638 + v.pos = tree.pos; 1.639 + } 1.640 + 1.641 + /** Create a fresh environment for a variable's initializer. 1.642 + * If the variable is a field, the owner of the environment's scope 1.643 + * is be the variable itself, otherwise the owner is the method 1.644 + * enclosing the variable definition. 1.645 + * 1.646 + * @param tree The variable definition. 1.647 + * @param env The environment current outside of the variable definition. 1.648 + */ 1.649 + Env<AttrContext> initEnv(JCVariableDecl tree, Env<AttrContext> env) { 1.650 + Env<AttrContext> localEnv = env.dupto(new AttrContextEnv(tree, env.info.dup())); 1.651 + if (tree.sym.owner.kind == TYP) { 1.652 + localEnv.info.scope = new Scope.DelegatedScope(env.info.scope); 1.653 + localEnv.info.scope.owner = tree.sym; 1.654 + } 1.655 + if ((tree.mods.flags & STATIC) != 0 || 1.656 + (env.enclClass.sym.flags() & INTERFACE) != 0) 1.657 + localEnv.info.staticLevel++; 1.658 + return localEnv; 1.659 + } 1.660 + 1.661 + /** Default member enter visitor method: do nothing 1.662 + */ 1.663 + public void visitTree(JCTree tree) { 1.664 + } 1.665 + 1.666 + 1.667 + public void visitErroneous(JCErroneous tree) { 1.668 + memberEnter(tree.errs, env); 1.669 + } 1.670 + 1.671 + public Env<AttrContext> getMethodEnv(JCMethodDecl tree, Env<AttrContext> env) { 1.672 + Env<AttrContext> mEnv = methodEnv(tree, env); 1.673 + mEnv.info.lint = mEnv.info.lint.augment(tree.sym.attributes_field, tree.sym.flags()); 1.674 + for (List<JCTypeParameter> l = tree.typarams; l.nonEmpty(); l = l.tail) 1.675 + mEnv.info.scope.enterIfAbsent(l.head.type.tsym); 1.676 + for (List<JCVariableDecl> l = tree.params; l.nonEmpty(); l = l.tail) 1.677 + mEnv.info.scope.enterIfAbsent(l.head.sym); 1.678 + return mEnv; 1.679 + } 1.680 + 1.681 + public Env<AttrContext> getInitEnv(JCVariableDecl tree, Env<AttrContext> env) { 1.682 + Env<AttrContext> iEnv = initEnv(tree, env); 1.683 + return iEnv; 1.684 + } 1.685 + 1.686 +/* ******************************************************************** 1.687 + * Type completion 1.688 + *********************************************************************/ 1.689 + 1.690 + Type attribImportType(JCTree tree, Env<AttrContext> env) { 1.691 + assert completionEnabled; 1.692 + try { 1.693 + // To prevent deep recursion, suppress completion of some 1.694 + // types. 1.695 + completionEnabled = false; 1.696 + return attr.attribType(tree, env); 1.697 + } finally { 1.698 + completionEnabled = true; 1.699 + } 1.700 + } 1.701 + 1.702 +/* ******************************************************************** 1.703 + * Annotation processing 1.704 + *********************************************************************/ 1.705 + 1.706 + /** Queue annotations for later processing. */ 1.707 + void annotateLater(final List<JCAnnotation> annotations, 1.708 + final Env<AttrContext> localEnv, 1.709 + final Symbol s) { 1.710 + if (annotations.isEmpty()) return; 1.711 + if (s.kind != PCK) s.attributes_field = null; // mark it incomplete for now 1.712 + annotate.later(new Annotate.Annotator() { 1.713 + public String toString() { 1.714 + return "annotate " + annotations + " onto " + s + " in " + s.owner; 1.715 + } 1.716 + public void enterAnnotation() { 1.717 + assert s.kind == PCK || s.attributes_field == null; 1.718 + JavaFileObject prev = log.useSource(localEnv.toplevel.sourcefile); 1.719 + try { 1.720 + if (s.attributes_field != null && 1.721 + s.attributes_field.nonEmpty() && 1.722 + annotations.nonEmpty()) 1.723 + log.error(annotations.head.pos, 1.724 + "already.annotated", 1.725 + Resolve.kindName(s), s); 1.726 + enterAnnotations(annotations, localEnv, s); 1.727 + } finally { 1.728 + log.useSource(prev); 1.729 + } 1.730 + } 1.731 + }); 1.732 + } 1.733 + 1.734 + /** 1.735 + * Check if a list of annotations contains a reference to 1.736 + * java.lang.Deprecated. 1.737 + **/ 1.738 + private boolean hasDeprecatedAnnotation(List<JCAnnotation> annotations) { 1.739 + for (List<JCAnnotation> al = annotations; al.nonEmpty(); al = al.tail) { 1.740 + JCAnnotation a = al.head; 1.741 + if (a.annotationType.type == syms.deprecatedType && a.args.isEmpty()) 1.742 + return true; 1.743 + } 1.744 + return false; 1.745 + } 1.746 + 1.747 + 1.748 + /** Enter a set of annotations. */ 1.749 + private void enterAnnotations(List<JCAnnotation> annotations, 1.750 + Env<AttrContext> env, 1.751 + Symbol s) { 1.752 + ListBuffer<Attribute.Compound> buf = 1.753 + new ListBuffer<Attribute.Compound>(); 1.754 + Set<TypeSymbol> annotated = new HashSet<TypeSymbol>(); 1.755 + if (!skipAnnotations) 1.756 + for (List<JCAnnotation> al = annotations; al.nonEmpty(); al = al.tail) { 1.757 + JCAnnotation a = al.head; 1.758 + Attribute.Compound c = annotate.enterAnnotation(a, 1.759 + syms.annotationType, 1.760 + env); 1.761 + if (c == null) continue; 1.762 + buf.append(c); 1.763 + // Note: @Deprecated has no effect on local variables and parameters 1.764 + if (!c.type.isErroneous() 1.765 + && s.owner.kind != MTH 1.766 + && types.isSameType(c.type, syms.deprecatedType)) 1.767 + s.flags_field |= Flags.DEPRECATED; 1.768 + if (!annotated.add(a.type.tsym)) 1.769 + log.error(a.pos, "duplicate.annotation"); 1.770 + } 1.771 + s.attributes_field = buf.toList(); 1.772 + } 1.773 + 1.774 + /** Queue processing of an attribute default value. */ 1.775 + void annotateDefaultValueLater(final JCExpression defaultValue, 1.776 + final Env<AttrContext> localEnv, 1.777 + final MethodSymbol m) { 1.778 + annotate.later(new Annotate.Annotator() { 1.779 + public String toString() { 1.780 + return "annotate " + m.owner + "." + 1.781 + m + " default " + defaultValue; 1.782 + } 1.783 + public void enterAnnotation() { 1.784 + JavaFileObject prev = log.useSource(localEnv.toplevel.sourcefile); 1.785 + try { 1.786 + enterDefaultValue(defaultValue, localEnv, m); 1.787 + } finally { 1.788 + log.useSource(prev); 1.789 + } 1.790 + } 1.791 + }); 1.792 + } 1.793 + 1.794 + /** Enter a default value for an attribute method. */ 1.795 + private void enterDefaultValue(final JCExpression defaultValue, 1.796 + final Env<AttrContext> localEnv, 1.797 + final MethodSymbol m) { 1.798 + m.defaultValue = annotate.enterAttributeValue(m.type.getReturnType(), 1.799 + defaultValue, 1.800 + localEnv); 1.801 + } 1.802 + 1.803 +/* ******************************************************************** 1.804 + * Source completer 1.805 + *********************************************************************/ 1.806 + 1.807 + /** Complete entering a class. 1.808 + * @param sym The symbol of the class to be completed. 1.809 + */ 1.810 + public void complete(Symbol sym) throws CompletionFailure { 1.811 + // Suppress some (recursive) MemberEnter invocations 1.812 + if (!completionEnabled) { 1.813 + // Re-install same completer for next time around and return. 1.814 + assert (sym.flags() & Flags.COMPOUND) == 0; 1.815 + sym.completer = this; 1.816 + return; 1.817 + } 1.818 + 1.819 + ClassSymbol c = (ClassSymbol)sym; 1.820 + ClassType ct = (ClassType)c.type; 1.821 + Env<AttrContext> env = enter.typeEnvs.get(c); 1.822 + JCClassDecl tree = (JCClassDecl)env.tree; 1.823 + boolean wasFirst = isFirst; 1.824 + isFirst = false; 1.825 + 1.826 + JavaFileObject prev = log.useSource(env.toplevel.sourcefile); 1.827 + try { 1.828 + // Save class environment for later member enter (2) processing. 1.829 + halfcompleted.append(env); 1.830 + 1.831 + // If this is a toplevel-class, make sure any preceding import 1.832 + // clauses have been seen. 1.833 + if (c.owner.kind == PCK) { 1.834 + memberEnter(env.toplevel, env.enclosing(JCTree.TOPLEVEL)); 1.835 + todo.append(env); 1.836 + } 1.837 + 1.838 + // Mark class as not yet attributed. 1.839 + c.flags_field |= UNATTRIBUTED; 1.840 + 1.841 + if (c.owner.kind == TYP) 1.842 + c.owner.complete(); 1.843 + 1.844 + // create an environment for evaluating the base clauses 1.845 + Env<AttrContext> baseEnv = baseEnv(tree, env); 1.846 + 1.847 + // Determine supertype. 1.848 + Type supertype = 1.849 + (tree.extending != null) 1.850 + ? attr.attribBase(tree.extending, baseEnv, true, false, true) 1.851 + : ((tree.mods.flags & Flags.ENUM) != 0 && !target.compilerBootstrap(c)) 1.852 + ? attr.attribBase(enumBase(tree.pos, c), baseEnv, 1.853 + true, false, false) 1.854 + : (c.fullname == names.java_lang_Object) 1.855 + ? Type.noType 1.856 + : syms.objectType; 1.857 + ct.supertype_field = supertype; 1.858 + 1.859 + // Determine interfaces. 1.860 + ListBuffer<Type> interfaces = new ListBuffer<Type>(); 1.861 + Set<Type> interfaceSet = new HashSet<Type>(); 1.862 + List<JCExpression> interfaceTrees = tree.implementing; 1.863 + if ((tree.mods.flags & Flags.ENUM) != 0 && target.compilerBootstrap(c)) { 1.864 + // add interface Comparable<T> 1.865 + interfaceTrees = 1.866 + interfaceTrees.prepend(make.Type(new ClassType(syms.comparableType.getEnclosingType(), 1.867 + List.of(c.type), 1.868 + syms.comparableType.tsym))); 1.869 + // add interface Serializable 1.870 + interfaceTrees = 1.871 + interfaceTrees.prepend(make.Type(syms.serializableType)); 1.872 + } 1.873 + for (JCExpression iface : interfaceTrees) { 1.874 + Type i = attr.attribBase(iface, baseEnv, false, true, true); 1.875 + if (i.tag == CLASS) { 1.876 + interfaces.append(i); 1.877 + chk.checkNotRepeated(iface.pos(), types.erasure(i), interfaceSet); 1.878 + } 1.879 + } 1.880 + if ((c.flags_field & ANNOTATION) != 0) 1.881 + ct.interfaces_field = List.of(syms.annotationType); 1.882 + else 1.883 + ct.interfaces_field = interfaces.toList(); 1.884 + 1.885 + if (c.fullname == names.java_lang_Object) { 1.886 + if (tree.extending != null) { 1.887 + chk.checkNonCyclic(tree.extending.pos(), 1.888 + supertype); 1.889 + ct.supertype_field = Type.noType; 1.890 + } 1.891 + else if (tree.implementing.nonEmpty()) { 1.892 + chk.checkNonCyclic(tree.implementing.head.pos(), 1.893 + ct.interfaces_field.head); 1.894 + ct.interfaces_field = List.nil(); 1.895 + } 1.896 + } 1.897 + 1.898 + // Annotations. 1.899 + // In general, we cannot fully process annotations yet, but we 1.900 + // can attribute the annotation types and then check to see if the 1.901 + // @Deprecated annotation is present. 1.902 + attr.attribAnnotationTypes(tree.mods.annotations, baseEnv); 1.903 + if (hasDeprecatedAnnotation(tree.mods.annotations)) 1.904 + c.flags_field |= DEPRECATED; 1.905 + annotateLater(tree.mods.annotations, baseEnv, c); 1.906 + 1.907 + attr.attribTypeVariables(tree.typarams, baseEnv); 1.908 + 1.909 + chk.checkNonCyclic(tree.pos(), c.type); 1.910 + 1.911 + // Add default constructor if needed. 1.912 + if ((c.flags() & INTERFACE) == 0 && 1.913 + !TreeInfo.hasConstructors(tree.defs)) { 1.914 + List<Type> argtypes = List.nil(); 1.915 + List<Type> typarams = List.nil(); 1.916 + List<Type> thrown = List.nil(); 1.917 + long ctorFlags = 0; 1.918 + boolean based = false; 1.919 + if (c.name.len == 0) { 1.920 + JCNewClass nc = (JCNewClass)env.next.tree; 1.921 + if (nc.constructor != null) { 1.922 + Type superConstrType = types.memberType(c.type, 1.923 + nc.constructor); 1.924 + argtypes = superConstrType.getParameterTypes(); 1.925 + typarams = superConstrType.getTypeArguments(); 1.926 + ctorFlags = nc.constructor.flags() & VARARGS; 1.927 + if (nc.encl != null) { 1.928 + argtypes = argtypes.prepend(nc.encl.type); 1.929 + based = true; 1.930 + } 1.931 + thrown = superConstrType.getThrownTypes(); 1.932 + } 1.933 + } 1.934 + JCTree constrDef = DefaultConstructor(make.at(tree.pos), c, 1.935 + typarams, argtypes, thrown, 1.936 + ctorFlags, based); 1.937 + tree.defs = tree.defs.prepend(constrDef); 1.938 + } 1.939 + 1.940 + // If this is a class, enter symbols for this and super into 1.941 + // current scope. 1.942 + if ((c.flags_field & INTERFACE) == 0) { 1.943 + VarSymbol thisSym = 1.944 + new VarSymbol(FINAL | HASINIT, names._this, c.type, c); 1.945 + thisSym.pos = Position.FIRSTPOS; 1.946 + env.info.scope.enter(thisSym); 1.947 + if (ct.supertype_field.tag == CLASS) { 1.948 + VarSymbol superSym = 1.949 + new VarSymbol(FINAL | HASINIT, names._super, 1.950 + ct.supertype_field, c); 1.951 + superSym.pos = Position.FIRSTPOS; 1.952 + env.info.scope.enter(superSym); 1.953 + } 1.954 + } 1.955 + 1.956 + // check that no package exists with same fully qualified name, 1.957 + // but admit classes in the unnamed package which have the same 1.958 + // name as a top-level package. 1.959 + if (checkClash && 1.960 + c.owner.kind == PCK && c.owner != syms.unnamedPackage && 1.961 + reader.packageExists(c.fullname)) 1.962 + { 1.963 + log.error(tree.pos, "clash.with.pkg.of.same.name", c); 1.964 + } 1.965 + 1.966 + } catch (CompletionFailure ex) { 1.967 + chk.completionError(tree.pos(), ex); 1.968 + } finally { 1.969 + log.useSource(prev); 1.970 + } 1.971 + 1.972 + // Enter all member fields and methods of a set of half completed 1.973 + // classes in a second phase. 1.974 + if (wasFirst) { 1.975 + try { 1.976 + while (halfcompleted.nonEmpty()) { 1.977 + finish(halfcompleted.next()); 1.978 + } 1.979 + } finally { 1.980 + isFirst = true; 1.981 + } 1.982 + 1.983 + // commit pending annotations 1.984 + annotate.flush(); 1.985 + } 1.986 + } 1.987 + 1.988 + private Env<AttrContext> baseEnv(JCClassDecl tree, Env<AttrContext> env) { 1.989 + Scope typaramScope = new Scope(tree.sym); 1.990 + if (tree.typarams != null) 1.991 + for (List<JCTypeParameter> typarams = tree.typarams; 1.992 + typarams.nonEmpty(); 1.993 + typarams = typarams.tail) 1.994 + typaramScope.enter(typarams.head.type.tsym); 1.995 + Env<AttrContext> outer = env.outer; // the base clause can't see members of this class 1.996 + Env<AttrContext> localEnv = outer.dup(tree, outer.info.dup(typaramScope)); 1.997 + localEnv.baseClause = true; 1.998 + localEnv.outer = outer; 1.999 + localEnv.info.isSelfCall = false; 1.1000 + return localEnv; 1.1001 + } 1.1002 + 1.1003 + /** Enter member fields and methods of a class 1.1004 + * @param env the environment current for the class block. 1.1005 + */ 1.1006 + private void finish(Env<AttrContext> env) { 1.1007 + JavaFileObject prev = log.useSource(env.toplevel.sourcefile); 1.1008 + try { 1.1009 + JCClassDecl tree = (JCClassDecl)env.tree; 1.1010 + finishClass(tree, env); 1.1011 + } finally { 1.1012 + log.useSource(prev); 1.1013 + } 1.1014 + } 1.1015 + 1.1016 + /** Generate a base clause for an enum type. 1.1017 + * @param pos The position for trees and diagnostics, if any 1.1018 + * @param c The class symbol of the enum 1.1019 + */ 1.1020 + private JCExpression enumBase(int pos, ClassSymbol c) { 1.1021 + JCExpression result = make.at(pos). 1.1022 + TypeApply(make.QualIdent(syms.enumSym), 1.1023 + List.<JCExpression>of(make.Type(c.type))); 1.1024 + return result; 1.1025 + } 1.1026 + 1.1027 +/* *************************************************************************** 1.1028 + * tree building 1.1029 + ****************************************************************************/ 1.1030 + 1.1031 + /** Generate default constructor for given class. For classes different 1.1032 + * from java.lang.Object, this is: 1.1033 + * 1.1034 + * c(argtype_0 x_0, ..., argtype_n x_n) throws thrown { 1.1035 + * super(x_0, ..., x_n) 1.1036 + * } 1.1037 + * 1.1038 + * or, if based == true: 1.1039 + * 1.1040 + * c(argtype_0 x_0, ..., argtype_n x_n) throws thrown { 1.1041 + * x_0.super(x_1, ..., x_n) 1.1042 + * } 1.1043 + * 1.1044 + * @param make The tree factory. 1.1045 + * @param c The class owning the default constructor. 1.1046 + * @param argtypes The parameter types of the constructor. 1.1047 + * @param thrown The thrown exceptions of the constructor. 1.1048 + * @param based Is first parameter a this$n? 1.1049 + */ 1.1050 + JCTree DefaultConstructor(TreeMaker make, 1.1051 + ClassSymbol c, 1.1052 + List<Type> typarams, 1.1053 + List<Type> argtypes, 1.1054 + List<Type> thrown, 1.1055 + long flags, 1.1056 + boolean based) { 1.1057 + List<JCVariableDecl> params = make.Params(argtypes, syms.noSymbol); 1.1058 + List<JCStatement> stats = List.nil(); 1.1059 + if (c.type != syms.objectType) 1.1060 + stats = stats.prepend(SuperCall(make, typarams, params, based)); 1.1061 + if ((c.flags() & ENUM) != 0 && 1.1062 + (types.supertype(c.type).tsym == syms.enumSym || 1.1063 + target.compilerBootstrap(c))) { 1.1064 + // constructors of true enums are private 1.1065 + flags = (flags & ~AccessFlags) | PRIVATE | GENERATEDCONSTR; 1.1066 + } else 1.1067 + flags |= (c.flags() & AccessFlags) | GENERATEDCONSTR; 1.1068 + if (c.name.len == 0) flags |= ANONCONSTR; 1.1069 + JCTree result = make.MethodDef( 1.1070 + make.Modifiers(flags), 1.1071 + names.init, 1.1072 + null, 1.1073 + make.TypeParams(typarams), 1.1074 + params, 1.1075 + make.Types(thrown), 1.1076 + make.Block(0, stats), 1.1077 + null); 1.1078 + return result; 1.1079 + } 1.1080 + 1.1081 + /** Generate call to superclass constructor. This is: 1.1082 + * 1.1083 + * super(id_0, ..., id_n) 1.1084 + * 1.1085 + * or, if based == true 1.1086 + * 1.1087 + * id_0.super(id_1,...,id_n) 1.1088 + * 1.1089 + * where id_0, ..., id_n are the names of the given parameters. 1.1090 + * 1.1091 + * @param make The tree factory 1.1092 + * @param params The parameters that need to be passed to super 1.1093 + * @param typarams The type parameters that need to be passed to super 1.1094 + * @param based Is first parameter a this$n? 1.1095 + */ 1.1096 + JCExpressionStatement SuperCall(TreeMaker make, 1.1097 + List<Type> typarams, 1.1098 + List<JCVariableDecl> params, 1.1099 + boolean based) { 1.1100 + JCExpression meth; 1.1101 + if (based) { 1.1102 + meth = make.Select(make.Ident(params.head), names._super); 1.1103 + params = params.tail; 1.1104 + } else { 1.1105 + meth = make.Ident(names._super); 1.1106 + } 1.1107 + List<JCExpression> typeargs = typarams.nonEmpty() ? make.Types(typarams) : null; 1.1108 + return make.Exec(make.Apply(typeargs, meth, make.Idents(params))); 1.1109 + } 1.1110 +}