/** * Format the arguments of a given diagnostic. * * @param d diagnostic whose arguments are to be formatted * @param l locale object to be used for i18n * @return a Collection whose elements are the formatted arguments of the diagnostic */ protected Collection<String> formatArguments(JCDiagnostic d, Locale l) { ListBuffer<String> buf = new ListBuffer<String>(); for (Object o : d.getArgs()) { buf.append(formatArgument(d, o, l)); } return buf.toList(); }
/** Visitor method: enter classes of a list of trees, returning a list of types. */ <T extends JCTree> List<Type> classEnter(List<T> trees, Env<AttrContext> env) { ListBuffer<Type> ts = new ListBuffer<Type>(); for (List<T> l = trees; l.nonEmpty(); l = l.tail) { Type t = classEnter(l.head, env); if (t != null) ts.append(t); } return ts.toList(); }
/** * Main method: enter one class from a list of toplevel trees and place the rest on uncompleted * for later processing. * * @param trees The list of trees to be processed. * @param c The class symbol to be processed. */ public void complete(List<JCCompilationUnit> trees, ClassSymbol c) { annotate.enterStart(); ListBuffer<ClassSymbol> prevUncompleted = uncompleted; if (memberEnter.completionEnabled) uncompleted = new ListBuffer<ClassSymbol>(); try { // enter all classes, and construct uncompleted list classEnter(trees, null); // complete all uncompleted classes in memberEnter if (memberEnter.completionEnabled) { while (uncompleted.nonEmpty()) { ClassSymbol clazz = uncompleted.next(); if (c == null || c == clazz || prevUncompleted == null) clazz.complete(); else // defer prevUncompleted.append(clazz); } // if there remain any unimported toplevels (these must have // no classes at all), process their import statements as well. for (JCCompilationUnit tree : trees) { if (tree.starImportScope.elems == null) { JavaFileObject prev = log.useSource(tree.sourcefile); Env<AttrContext> env = typeEnvs.get(tree); if (env == null) env = topLevelEnv(tree); memberEnter.memberEnter(tree, env); log.useSource(prev); } } } } finally { uncompleted = prevUncompleted; annotate.enterDone(); } }
/** * Main method: compile a list of files, return all compiled classes * * @param filenames The names of all files to be compiled. */ public List<ClassSymbol> compile( List<String> filenames, Map<String, String> origOptions, ClassLoader aptCL, AnnotationProcessorFactory providedFactory, java.util.Set<Class<? extends AnnotationProcessorFactory>> productiveFactories, java.util.Set<java.io.File> aggregateGenFiles) throws Throwable { // as a JavaCompiler can only be used once, throw an exception if // it has been used before. assert !hasBeenUsed : "attempt to reuse JavaCompiler"; hasBeenUsed = true; this.aggregateGenFiles = aggregateGenFiles; long msec = System.currentTimeMillis(); ListBuffer<ClassSymbol> classes = new ListBuffer<ClassSymbol>(); try { JavacFileManager fm = (JavacFileManager) fileManager; // parse all files ListBuffer<JCCompilationUnit> trees = new ListBuffer<JCCompilationUnit>(); for (List<String> l = filenames; l.nonEmpty(); l = l.tail) { if (classesAsDecls) { if (!l.head.endsWith(".java")) { // process as class file ClassSymbol cs = reader.enterClass(names.fromString(l.head)); try { cs.complete(); } catch (Symbol.CompletionFailure cf) { bark.aptError("CantFindClass", l); continue; } classes.append(cs); // add to list of classes continue; } } JavaFileObject fo = fm.getJavaFileObjectsFromStrings(List.of(l.head)).iterator().next(); trees.append(parse(fo)); } // enter symbols for all files List<JCCompilationUnit> roots = trees.toList(); if (errorCount() == 0) { boolean prev = bark.setDiagnosticsIgnored(true); try { enter.main(roots); } finally { bark.setDiagnosticsIgnored(prev); } } if (errorCount() == 0) { apt.main(roots, classes, origOptions, aptCL, providedFactory, productiveFactories); genSourceFileNames.addAll(apt.getSourceFileNames()); genClassFileNames.addAll(apt.getClassFileNames()); } } catch (Abort ex) { } if (verbose) log.printVerbose("total", Long.toString(System.currentTimeMillis() - msec)); chk.reportDeferredDiagnostics(); printCount("error", errorCount()); printCount("warn", warningCount()); return classes.toList(); }
public void visitClassDef(JCClassDecl tree) { Symbol owner = env.info.scope.owner; Scope enclScope = enterScope(env); ClassSymbol c; if (owner.kind == PCK) { // We are seeing a toplevel class. PackageSymbol packge = (PackageSymbol) owner; for (Symbol q = packge; q != null && q.kind == PCK; q = q.owner) q.flags_field |= EXISTS; c = reader.enterClass(tree.name, packge); packge.members().enterIfAbsent(c); if ((tree.mods.flags & PUBLIC) != 0 && !classNameMatchesFileName(c, env)) { log.error(tree.pos(), "class.public.should.be.in.file", tree.name); } } else { if (!tree.name.isEmpty() && !chk.checkUniqueClassName(tree.pos(), tree.name, enclScope)) { result = null; return; } if (owner.kind == TYP) { // We are seeing a member class. c = reader.enterClass(tree.name, (TypeSymbol) owner); if ((owner.flags_field & INTERFACE) != 0) { tree.mods.flags |= PUBLIC | STATIC; } } else { // We are seeing a local class. c = reader.defineClass(tree.name, owner); c.flatname = chk.localClassName(c); if (!c.name.isEmpty()) chk.checkTransparentClass(tree.pos(), c, env.info.scope); } } tree.sym = c; // Enter class into `compiled' table and enclosing scope. if (chk.compiled.get(c.flatname) != null) { duplicateClass(tree.pos(), c); result = types.createErrorType(tree.name, (TypeSymbol) owner, Type.noType); tree.sym = (ClassSymbol) result.tsym; return; } chk.compiled.put(c.flatname, c); enclScope.enter(c); // Set up an environment for class block and store in `typeEnvs' // table, to be retrieved later in memberEnter and attribution. Env<AttrContext> localEnv = classEnv(tree, env); typeEnvs.put(c, localEnv); // Fill out class fields. c.completer = memberEnter; c.flags_field = chk.checkFlags(tree.pos(), tree.mods.flags, c, tree); c.sourcefile = env.toplevel.sourcefile; c.members_field = new Scope(c); ClassType ct = (ClassType) c.type; if (owner.kind != PCK && (c.flags_field & STATIC) == 0) { // We are seeing a local or inner class. // Set outer_field of this class to closest enclosing class // which contains this class in a non-static context // (its "enclosing instance class"), provided such a class exists. Symbol owner1 = owner; while ((owner1.kind & (VAR | MTH)) != 0 && (owner1.flags_field & STATIC) == 0) { owner1 = owner1.owner; } if (owner1.kind == TYP) { ct.setEnclosingType(owner1.type); } } // Enter type parameters. ct.typarams_field = classEnter(tree.typarams, localEnv); // Add non-local class to uncompleted, to make sure it will be // completed later. if (!c.isLocal() && uncompleted != null) uncompleted.append(c); // System.err.println("entering " + c.fullname + " in " + c.owner);//DEBUG // Recursively enter all member classes. classEnter(tree.defs, localEnv); result = c.type; }
public void later(Annotator a) { q.append(a); }
Attribute enterAttributeValue(Type expected, JCExpression tree, Env<AttrContext> env) { // first, try completing the attribution value sym - if a completion // error is thrown, we should recover gracefully, and display an // ordinary resolution diagnostic. try { expected.tsym.complete(); } catch (CompletionFailure e) { log.error(tree.pos(), "cant.resolve", Kinds.kindName(e.sym), e.sym); return new Attribute.Error(expected); } if (expected.isPrimitive() || types.isSameType(expected, syms.stringType)) { Type result = attr.attribExpr(tree, env, expected); if (result.isErroneous()) return new Attribute.Error(expected); if (result.constValue() == null) { log.error(tree.pos(), "attribute.value.must.be.constant"); return new Attribute.Error(expected); } result = cfolder.coerce(result, expected); return new Attribute.Constant(expected, result.constValue()); } if (expected.tsym == syms.classType.tsym) { Type result = attr.attribExpr(tree, env, expected); if (result.isErroneous()) return new Attribute.Error(expected); if (TreeInfo.name(tree) != names._class) { log.error(tree.pos(), "annotation.value.must.be.class.literal"); return new Attribute.Error(expected); } return new Attribute.Class(types, (((JCFieldAccess) tree).selected).type); } if ((expected.tsym.flags() & Flags.ANNOTATION) != 0 || types.isSameType(expected, syms.annotationType)) { if (tree.getTag() != JCTree.ANNOTATION) { log.error(tree.pos(), "annotation.value.must.be.annotation"); expected = syms.errorType; } return enterAnnotation((JCAnnotation) tree, expected, env); } if (expected.tag == TypeTags.ARRAY) { // should really be isArray() if (tree.getTag() != JCTree.NEWARRAY) { tree = make.at(tree.pos).NewArray(null, List.<JCExpression>nil(), List.of(tree)); } JCNewArray na = (JCNewArray) tree; if (na.elemtype != null) { log.error(na.elemtype.pos(), "new.not.allowed.in.annotation"); return new Attribute.Error(expected); } ListBuffer<Attribute> buf = new ListBuffer<Attribute>(); for (List<JCExpression> l = na.elems; l.nonEmpty(); l = l.tail) { buf.append(enterAttributeValue(types.elemtype(expected), l.head, env)); } na.type = expected; return new Attribute.Array(expected, buf.toArray(new Attribute[buf.length()])); } if (expected.tag == TypeTags.CLASS && (expected.tsym.flags() & Flags.ENUM) != 0) { attr.attribExpr(tree, env, expected); Symbol sym = TreeInfo.symbol(tree); if (sym == null || TreeInfo.nonstaticSelect(tree) || sym.kind != Kinds.VAR || (sym.flags() & Flags.ENUM) == 0) { log.error(tree.pos(), "enum.annotation.must.be.enum.constant"); return new Attribute.Error(expected); } VarSymbol enumerator = (VarSymbol) sym; return new Attribute.Enum(expected, enumerator); } if (!expected.isErroneous()) log.error(tree.pos(), "annotation.value.not.allowable.type"); return new Attribute.Error(attr.attribExpr(tree, env, expected)); }