| /* |
| * Copyright (c) 2009, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| |
| package com.sun.tools.javac.comp; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.EnumSet; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.LinkedHashMap; |
| import java.util.LinkedHashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.function.Consumer; |
| import java.util.function.Predicate; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import javax.lang.model.SourceVersion; |
| import javax.tools.JavaFileManager; |
| import javax.tools.JavaFileManager.Location; |
| import javax.tools.JavaFileObject; |
| import javax.tools.JavaFileObject.Kind; |
| import javax.tools.StandardLocation; |
| |
| import com.sun.source.tree.ModuleTree.ModuleKind; |
| import com.sun.tools.javac.code.ClassFinder; |
| import com.sun.tools.javac.code.DeferredLintHandler; |
| import com.sun.tools.javac.code.Directive; |
| import com.sun.tools.javac.code.Directive.ExportsDirective; |
| import com.sun.tools.javac.code.Directive.ExportsFlag; |
| import com.sun.tools.javac.code.Directive.OpensDirective; |
| import com.sun.tools.javac.code.Directive.OpensFlag; |
| import com.sun.tools.javac.code.Directive.RequiresDirective; |
| import com.sun.tools.javac.code.Directive.RequiresFlag; |
| import com.sun.tools.javac.code.Directive.UsesDirective; |
| import com.sun.tools.javac.code.Flags; |
| import com.sun.tools.javac.code.Lint.LintCategory; |
| import com.sun.tools.javac.code.ModuleFinder; |
| import com.sun.tools.javac.code.Source; |
| import com.sun.tools.javac.code.Symbol; |
| import com.sun.tools.javac.code.Symbol.ClassSymbol; |
| import com.sun.tools.javac.code.Symbol.Completer; |
| import com.sun.tools.javac.code.Symbol.CompletionFailure; |
| import com.sun.tools.javac.code.Symbol.MethodSymbol; |
| import com.sun.tools.javac.code.Symbol.ModuleFlags; |
| import com.sun.tools.javac.code.Symbol.ModuleSymbol; |
| import com.sun.tools.javac.code.Symbol.PackageSymbol; |
| import com.sun.tools.javac.code.Symtab; |
| import com.sun.tools.javac.code.Type; |
| import com.sun.tools.javac.code.Types; |
| import com.sun.tools.javac.jvm.ClassWriter; |
| import com.sun.tools.javac.jvm.JNIWriter; |
| import com.sun.tools.javac.main.Option; |
| import com.sun.tools.javac.resources.CompilerProperties.Errors; |
| import com.sun.tools.javac.resources.CompilerProperties.Warnings; |
| import com.sun.tools.javac.tree.JCTree; |
| import com.sun.tools.javac.tree.JCTree.JCCompilationUnit; |
| import com.sun.tools.javac.tree.JCTree.JCDirective; |
| import com.sun.tools.javac.tree.JCTree.JCExports; |
| import com.sun.tools.javac.tree.JCTree.JCExpression; |
| import com.sun.tools.javac.tree.JCTree.JCModuleDecl; |
| import com.sun.tools.javac.tree.JCTree.JCOpens; |
| import com.sun.tools.javac.tree.JCTree.JCProvides; |
| import com.sun.tools.javac.tree.JCTree.JCRequires; |
| import com.sun.tools.javac.tree.JCTree.JCUses; |
| import com.sun.tools.javac.tree.JCTree.Tag; |
| import com.sun.tools.javac.tree.TreeInfo; |
| import com.sun.tools.javac.util.Abort; |
| import com.sun.tools.javac.util.Assert; |
| import com.sun.tools.javac.util.Context; |
| import com.sun.tools.javac.util.JCDiagnostic; |
| import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; |
| import com.sun.tools.javac.util.List; |
| import com.sun.tools.javac.util.ListBuffer; |
| import com.sun.tools.javac.util.Log; |
| import com.sun.tools.javac.util.Name; |
| import com.sun.tools.javac.util.Names; |
| import com.sun.tools.javac.util.Options; |
| import com.sun.tools.javac.util.Position; |
| |
| import static com.sun.tools.javac.code.Flags.ABSTRACT; |
| import static com.sun.tools.javac.code.Flags.ENUM; |
| import static com.sun.tools.javac.code.Flags.PUBLIC; |
| import static com.sun.tools.javac.code.Flags.UNATTRIBUTED; |
| import com.sun.tools.javac.code.Kinds; |
| import static com.sun.tools.javac.code.Kinds.Kind.ERR; |
| import static com.sun.tools.javac.code.Kinds.Kind.MDL; |
| import static com.sun.tools.javac.code.Kinds.Kind.MTH; |
| import com.sun.tools.javac.code.Symbol.ModuleResolutionFlags; |
| import static com.sun.tools.javac.code.TypeTag.CLASS; |
| |
| /** |
| * TODO: fill in |
| * |
| * <p><b>This is NOT part of any supported API. |
| * If you write code that depends on this, you do so at your own risk. |
| * This code and its internal interfaces are subject to change or |
| * deletion without notice.</b> |
| */ |
| public class Modules extends JCTree.Visitor { |
| private static final String ALL_SYSTEM = "ALL-SYSTEM"; |
| private static final String ALL_MODULE_PATH = "ALL-MODULE-PATH"; |
| |
| private final Log log; |
| private final Names names; |
| private final Symtab syms; |
| private final Attr attr; |
| private final Check chk; |
| private final DeferredLintHandler deferredLintHandler; |
| private final TypeEnvs typeEnvs; |
| private final Types types; |
| private final JavaFileManager fileManager; |
| private final ModuleFinder moduleFinder; |
| private final Source source; |
| private final boolean allowModules; |
| private final boolean allowAccessIntoSystem; |
| |
| public final boolean multiModuleMode; |
| |
| private final Name java_se; |
| private final Name java_; |
| |
| ModuleSymbol defaultModule; |
| |
| private final String addExportsOpt; |
| private Map<ModuleSymbol, Set<ExportsDirective>> addExports; |
| private final String addReadsOpt; |
| private Map<ModuleSymbol, Set<RequiresDirective>> addReads; |
| private final String addModsOpt; |
| private final Set<String> extraAddMods = new HashSet<>(); |
| private final String limitModsOpt; |
| private final Set<String> extraLimitMods = new HashSet<>(); |
| private final String moduleVersionOpt; |
| |
| private final boolean lintOptions; |
| |
| private Set<ModuleSymbol> rootModules = null; |
| private final Set<ModuleSymbol> warnedMissing = new HashSet<>(); |
| |
| public PackageNameFinder findPackageInFile; |
| |
| public static Modules instance(Context context) { |
| Modules instance = context.get(Modules.class); |
| if (instance == null) |
| instance = new Modules(context); |
| return instance; |
| } |
| |
| protected Modules(Context context) { |
| context.put(Modules.class, this); |
| log = Log.instance(context); |
| names = Names.instance(context); |
| syms = Symtab.instance(context); |
| attr = Attr.instance(context); |
| chk = Check.instance(context); |
| deferredLintHandler = DeferredLintHandler.instance(context); |
| typeEnvs = TypeEnvs.instance(context); |
| moduleFinder = ModuleFinder.instance(context); |
| types = Types.instance(context); |
| fileManager = context.get(JavaFileManager.class); |
| source = Source.instance(context); |
| allowModules = source.allowModules(); |
| Options options = Options.instance(context); |
| |
| allowAccessIntoSystem = options.isUnset(Option.RELEASE); |
| lintOptions = options.isUnset(Option.XLINT_CUSTOM, "-" + LintCategory.OPTIONS.option); |
| |
| multiModuleMode = fileManager.hasLocation(StandardLocation.MODULE_SOURCE_PATH); |
| ClassWriter classWriter = ClassWriter.instance(context); |
| classWriter.multiModuleMode = multiModuleMode; |
| JNIWriter jniWriter = JNIWriter.instance(context); |
| jniWriter.multiModuleMode = multiModuleMode; |
| |
| java_se = names.fromString("java.se"); |
| java_ = names.fromString("java."); |
| |
| addExportsOpt = options.get(Option.ADD_EXPORTS); |
| addReadsOpt = options.get(Option.ADD_READS); |
| addModsOpt = options.get(Option.ADD_MODULES); |
| limitModsOpt = options.get(Option.LIMIT_MODULES); |
| moduleVersionOpt = options.get(Option.MODULE_VERSION); |
| } |
| //where |
| private static final String XMODULES_PREFIX = "-Xmodule:"; |
| |
| int depth = -1; |
| private void dprintln(String msg) { |
| for (int i = 0; i < depth; i++) |
| System.err.print(" "); |
| System.err.println(msg); |
| } |
| |
| public void addExtraAddModules(String... extras) { |
| extraAddMods.addAll(Arrays.asList(extras)); |
| } |
| |
| public void addExtraLimitModules(String... extras) { |
| extraLimitMods.addAll(Arrays.asList(extras)); |
| } |
| |
| boolean inInitModules; |
| public void initModules(List<JCCompilationUnit> trees) { |
| Assert.check(!inInitModules); |
| try { |
| inInitModules = true; |
| Assert.checkNull(rootModules); |
| enter(trees, modules -> { |
| Assert.checkNull(rootModules); |
| Assert.checkNull(allModules); |
| this.rootModules = modules; |
| setupAllModules(); //initialize the module graph |
| Assert.checkNonNull(allModules); |
| inInitModules = false; |
| }, null); |
| } finally { |
| inInitModules = false; |
| } |
| } |
| |
| public boolean enter(List<JCCompilationUnit> trees, ClassSymbol c) { |
| Assert.check(rootModules != null || inInitModules || !allowModules); |
| return enter(trees, modules -> {}, c); |
| } |
| |
| private boolean enter(List<JCCompilationUnit> trees, Consumer<Set<ModuleSymbol>> init, ClassSymbol c) { |
| if (!allowModules) { |
| for (JCCompilationUnit tree: trees) { |
| tree.modle = syms.noModule; |
| } |
| defaultModule = syms.noModule; |
| return true; |
| } |
| |
| int startErrors = log.nerrors; |
| |
| depth++; |
| try { |
| // scan trees for module defs |
| Set<ModuleSymbol> roots = enterModules(trees, c); |
| |
| setCompilationUnitModules(trees, roots, c); |
| |
| init.accept(roots); |
| |
| for (ModuleSymbol msym: roots) { |
| msym.complete(); |
| } |
| } catch (CompletionFailure ex) { |
| log.error(JCDiagnostic.DiagnosticFlag.NON_DEFERRABLE, Position.NOPOS, "cant.access", ex.sym, ex.getDetailValue()); |
| if (ex instanceof ClassFinder.BadClassFile) throw new Abort(); |
| } finally { |
| depth--; |
| } |
| |
| return (log.nerrors == startErrors); |
| } |
| |
| public Completer getCompleter() { |
| return mainCompleter; |
| } |
| |
| public ModuleSymbol getDefaultModule() { |
| return defaultModule; |
| } |
| |
| public boolean modulesInitialized() { |
| return allModules != null; |
| } |
| |
| private Set<ModuleSymbol> enterModules(List<JCCompilationUnit> trees, ClassSymbol c) { |
| Set<ModuleSymbol> modules = new LinkedHashSet<>(); |
| for (JCCompilationUnit tree : trees) { |
| JavaFileObject prev = log.useSource(tree.sourcefile); |
| try { |
| enterModule(tree, c, modules); |
| } finally { |
| log.useSource(prev); |
| } |
| } |
| return modules; |
| } |
| |
| |
| private void enterModule(JCCompilationUnit toplevel, ClassSymbol c, Set<ModuleSymbol> modules) { |
| boolean isModuleInfo = toplevel.sourcefile.isNameCompatible("module-info", Kind.SOURCE); |
| boolean isModuleDecl = toplevel.getModuleDecl() != null; |
| if (isModuleDecl) { |
| JCModuleDecl decl = toplevel.getModuleDecl(); |
| if (!isModuleInfo) { |
| log.error(decl.pos(), Errors.ModuleDeclSbInModuleInfoJava); |
| } |
| Name name = TreeInfo.fullName(decl.qualId); |
| ModuleSymbol sym; |
| if (c != null) { |
| sym = (ModuleSymbol) c.owner; |
| Assert.checkNonNull(sym.name); |
| Name treeName = TreeInfo.fullName(decl.qualId); |
| if (sym.name != treeName) { |
| log.error(decl.pos(), Errors.ModuleNameMismatch(name, sym.name)); |
| } |
| } else { |
| sym = syms.enterModule(name); |
| if (sym.module_info.sourcefile != null && sym.module_info.sourcefile != toplevel.sourcefile) { |
| log.error(decl.pos(), Errors.DuplicateModule(sym)); |
| return; |
| } |
| } |
| sym.completer = getSourceCompleter(toplevel); |
| sym.module_info.sourcefile = toplevel.sourcefile; |
| decl.sym = sym; |
| |
| if (multiModuleMode || modules.isEmpty()) { |
| modules.add(sym); |
| } else { |
| log.error(toplevel.pos(), Errors.TooManyModules); |
| } |
| |
| Env<AttrContext> provisionalEnv = new Env<>(decl, null); |
| |
| provisionalEnv.toplevel = toplevel; |
| typeEnvs.put(sym, provisionalEnv); |
| } else if (isModuleInfo) { |
| if (multiModuleMode) { |
| JCTree tree = toplevel.defs.isEmpty() ? toplevel : toplevel.defs.head; |
| log.error(tree.pos(), Errors.ExpectedModule); |
| } |
| } |
| } |
| |
| private void setCompilationUnitModules(List<JCCompilationUnit> trees, Set<ModuleSymbol> rootModules, ClassSymbol c) { |
| // update the module for each compilation unit |
| if (multiModuleMode) { |
| checkNoAllModulePath(); |
| for (JCCompilationUnit tree: trees) { |
| if (tree.defs.isEmpty()) { |
| tree.modle = syms.unnamedModule; |
| continue; |
| } |
| |
| JavaFileObject prev = log.useSource(tree.sourcefile); |
| try { |
| Location msplocn = getModuleLocation(tree); |
| Location plocn = fileManager.hasLocation(StandardLocation.PATCH_MODULE_PATH) ? |
| fileManager.getLocationForModule(StandardLocation.PATCH_MODULE_PATH, |
| tree.sourcefile) : |
| null; |
| |
| if (plocn != null) { |
| Name name = names.fromString(fileManager.inferModuleName(plocn)); |
| ModuleSymbol msym = moduleFinder.findModule(name); |
| tree.modle = msym; |
| rootModules.add(msym); |
| |
| if (msplocn != null) { |
| Name mspname = names.fromString(fileManager.inferModuleName(msplocn)); |
| if (name != mspname) { |
| log.error(tree.pos(), Errors.FilePatchedAndMsp(name, mspname)); |
| } |
| } |
| } else if (msplocn != null) { |
| if (tree.getModuleDecl() != null) { |
| JavaFileObject canonical = |
| fileManager.getJavaFileForInput(msplocn, "module-info", Kind.SOURCE); |
| if (canonical == null || !fileManager.isSameFile(canonical, tree.sourcefile)) { |
| log.error(tree.pos(), Errors.ModuleNotFoundOnModuleSourcePath); |
| } |
| } |
| Name name = names.fromString(fileManager.inferModuleName(msplocn)); |
| ModuleSymbol msym; |
| JCModuleDecl decl = tree.getModuleDecl(); |
| if (decl != null) { |
| msym = decl.sym; |
| if (msym.name != name) { |
| log.error(decl.qualId, Errors.ModuleNameMismatch(msym.name, name)); |
| } |
| } else { |
| if (tree.getPackage() == null) { |
| log.error(tree.pos(), Errors.UnnamedPkgNotAllowedNamedModules); |
| } |
| msym = syms.enterModule(name); |
| } |
| if (msym.sourceLocation == null) { |
| msym.sourceLocation = msplocn; |
| if (fileManager.hasLocation(StandardLocation.PATCH_MODULE_PATH)) { |
| msym.patchLocation = fileManager.getLocationForModule( |
| StandardLocation.PATCH_MODULE_PATH, msym.name.toString()); |
| } |
| if (fileManager.hasLocation(StandardLocation.CLASS_OUTPUT)) { |
| Location outputLocn = fileManager.getLocationForModule( |
| StandardLocation.CLASS_OUTPUT, msym.name.toString()); |
| if (msym.patchLocation == null) { |
| msym.classLocation = outputLocn; |
| } else { |
| msym.patchOutputLocation = outputLocn; |
| } |
| } |
| } |
| tree.modle = msym; |
| rootModules.add(msym); |
| } else if (c != null && c.packge().modle == syms.unnamedModule) { |
| tree.modle = syms.unnamedModule; |
| } else { |
| if (tree.getModuleDecl() != null) { |
| log.error(tree.pos(), Errors.ModuleNotFoundOnModuleSourcePath); |
| } else { |
| log.error(tree.pos(), Errors.NotInModuleOnModuleSourcePath); |
| } |
| tree.modle = syms.errModule; |
| } |
| } catch (IOException e) { |
| throw new Error(e); // FIXME |
| } finally { |
| log.useSource(prev); |
| } |
| } |
| if (syms.unnamedModule.sourceLocation == null) { |
| syms.unnamedModule.completer = getUnnamedModuleCompleter(); |
| syms.unnamedModule.sourceLocation = StandardLocation.SOURCE_PATH; |
| syms.unnamedModule.classLocation = StandardLocation.CLASS_PATH; |
| } |
| defaultModule = syms.unnamedModule; |
| } else { |
| ModuleSymbol module = null; |
| if (defaultModule == null) { |
| String moduleOverride = singleModuleOverride(trees); |
| switch (rootModules.size()) { |
| case 0: |
| defaultModule = moduleFinder.findSingleModule(); |
| if (defaultModule == syms.unnamedModule) { |
| if (moduleOverride != null) { |
| checkNoAllModulePath(); |
| defaultModule = moduleFinder.findModule(names.fromString(moduleOverride)); |
| defaultModule.patchOutputLocation = StandardLocation.CLASS_OUTPUT; |
| } else { |
| // Question: why not do findAllModules and initVisiblePackages here? |
| // i.e. body of unnamedModuleCompleter |
| defaultModule.completer = getUnnamedModuleCompleter(); |
| defaultModule.sourceLocation = StandardLocation.SOURCE_PATH; |
| defaultModule.classLocation = StandardLocation.CLASS_PATH; |
| } |
| } else { |
| checkNoAllModulePath(); |
| defaultModule.complete(); |
| // Question: why not do completeModule here? |
| defaultModule.completer = sym -> completeModule((ModuleSymbol) sym); |
| defaultModule.sourceLocation = StandardLocation.SOURCE_PATH; |
| } |
| rootModules.add(defaultModule); |
| break; |
| case 1: |
| checkNoAllModulePath(); |
| defaultModule = rootModules.iterator().next(); |
| defaultModule.sourceLocation = StandardLocation.SOURCE_PATH; |
| if (fileManager.hasLocation(StandardLocation.PATCH_MODULE_PATH)) { |
| try { |
| defaultModule.patchLocation = fileManager.getLocationForModule( |
| StandardLocation.PATCH_MODULE_PATH, defaultModule.name.toString()); |
| } catch (IOException ex) { |
| throw new Error(ex); |
| } |
| } |
| if (defaultModule.patchLocation == null) { |
| defaultModule.classLocation = StandardLocation.CLASS_OUTPUT; |
| } else { |
| defaultModule.patchOutputLocation = StandardLocation.CLASS_OUTPUT; |
| } |
| break; |
| default: |
| Assert.error("too many modules"); |
| } |
| } else if (rootModules.size() == 1) { |
| module = rootModules.iterator().next(); |
| module.complete(); |
| module.completer = sym -> completeModule((ModuleSymbol) sym); |
| } else { |
| Assert.check(rootModules.isEmpty()); |
| String moduleOverride = singleModuleOverride(trees); |
| if (moduleOverride != null) { |
| module = moduleFinder.findModule(names.fromString(moduleOverride)); |
| } else { |
| module = defaultModule; |
| } |
| rootModules.add(module); |
| } |
| |
| if (defaultModule != syms.unnamedModule) { |
| syms.unnamedModule.completer = getUnnamedModuleCompleter(); |
| syms.unnamedModule.classLocation = StandardLocation.CLASS_PATH; |
| } |
| |
| if (module == null) { |
| module = defaultModule; |
| } |
| |
| for (JCCompilationUnit tree : trees) { |
| if (defaultModule != syms.unnamedModule |
| && defaultModule.sourceLocation == StandardLocation.SOURCE_PATH |
| && fileManager.hasLocation(StandardLocation.SOURCE_PATH)) { |
| checkSourceLocation(tree, module); |
| } |
| tree.modle = module; |
| } |
| } |
| } |
| |
| private void checkSourceLocation(JCCompilationUnit tree, ModuleSymbol msym) { |
| try { |
| JavaFileObject fo = tree.sourcefile; |
| if (fileManager.contains(msym.sourceLocation, fo)) { |
| return; |
| } |
| if (msym.patchLocation != null && fileManager.contains(msym.patchLocation, fo)) { |
| return; |
| } |
| if (fileManager.hasLocation(StandardLocation.SOURCE_OUTPUT)) { |
| if (fileManager.contains(StandardLocation.SOURCE_OUTPUT, fo)) { |
| return; |
| } |
| } else { |
| if (fileManager.contains(StandardLocation.CLASS_OUTPUT, fo)) { |
| return; |
| } |
| } |
| } catch (IOException e) { |
| throw new Error(e); |
| } |
| |
| JavaFileObject prev = log.useSource(tree.sourcefile); |
| try { |
| log.error(tree.pos(), "file.sb.on.source.or.patch.path.for.module"); |
| } finally { |
| log.useSource(prev); |
| } |
| } |
| |
| private String singleModuleOverride(List<JCCompilationUnit> trees) { |
| if (!fileManager.hasLocation(StandardLocation.PATCH_MODULE_PATH)) { |
| return null; |
| } |
| |
| Set<String> override = new LinkedHashSet<>(); |
| for (JCCompilationUnit tree : trees) { |
| JavaFileObject fo = tree.sourcefile; |
| |
| try { |
| Location loc = |
| fileManager.getLocationForModule(StandardLocation.PATCH_MODULE_PATH, fo); |
| |
| if (loc != null) { |
| override.add(fileManager.inferModuleName(loc)); |
| } |
| } catch (IOException ex) { |
| throw new Error(ex); |
| } |
| } |
| |
| switch (override.size()) { |
| case 0: return null; |
| case 1: return override.iterator().next(); |
| default: |
| log.error(Errors.TooManyPatchedModules(override)); |
| return null; |
| } |
| } |
| |
| /** |
| * Determine the location for the module on the module source path |
| * or source output directory which contains a given CompilationUnit. |
| * If the source output directory is unset, the class output directory |
| * will be checked instead. |
| * {@code null} is returned if no such module can be found. |
| * @param tree the compilation unit tree |
| * @return the location for the enclosing module |
| * @throws IOException if there is a problem while searching for the module. |
| */ |
| private Location getModuleLocation(JCCompilationUnit tree) throws IOException { |
| JavaFileObject fo = tree.sourcefile; |
| |
| Location loc = |
| fileManager.getLocationForModule(StandardLocation.MODULE_SOURCE_PATH, fo); |
| if (loc == null) { |
| Location sourceOutput = fileManager.hasLocation(StandardLocation.SOURCE_OUTPUT) ? |
| StandardLocation.SOURCE_OUTPUT : StandardLocation.CLASS_OUTPUT; |
| loc = |
| fileManager.getLocationForModule(sourceOutput, fo); |
| } |
| return loc; |
| } |
| |
| private void checkNoAllModulePath() { |
| if (addModsOpt != null && Arrays.asList(addModsOpt.split(",")).contains(ALL_MODULE_PATH)) { |
| log.error(Errors.AddmodsAllModulePathInvalid); |
| } |
| } |
| |
| private final Completer mainCompleter = new Completer() { |
| @Override |
| public void complete(Symbol sym) throws CompletionFailure { |
| ModuleSymbol msym = moduleFinder.findModule((ModuleSymbol) sym); |
| |
| if (msym.kind == ERR) { |
| //make sure the module is initialized: |
| msym.directives = List.nil(); |
| msym.exports = List.nil(); |
| msym.provides = List.nil(); |
| msym.requires = List.nil(); |
| msym.uses = List.nil(); |
| } else if ((msym.flags_field & Flags.AUTOMATIC_MODULE) != 0) { |
| setupAutomaticModule(msym); |
| } else { |
| msym.module_info.complete(); |
| } |
| |
| // If module-info comes from a .java file, the underlying |
| // call of classFinder.fillIn will have called through the |
| // source completer, to Enter, and then to Modules.enter, |
| // which will call completeModule. |
| // But, if module-info comes from a .class file, the underlying |
| // call of classFinder.fillIn will just call ClassReader to read |
| // the .class file, and so we call completeModule here. |
| if (msym.module_info.classfile == null || msym.module_info.classfile.getKind() == Kind.CLASS) { |
| completeModule(msym); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "mainCompleter"; |
| } |
| }; |
| |
| private void setupAutomaticModule(ModuleSymbol msym) throws CompletionFailure { |
| try { |
| ListBuffer<Directive> directives = new ListBuffer<>(); |
| ListBuffer<ExportsDirective> exports = new ListBuffer<>(); |
| Set<String> seenPackages = new HashSet<>(); |
| |
| for (JavaFileObject clazz : fileManager.list(msym.classLocation, "", EnumSet.of(Kind.CLASS), true)) { |
| String binName = fileManager.inferBinaryName(msym.classLocation, clazz); |
| String pack = binName.lastIndexOf('.') != (-1) ? binName.substring(0, binName.lastIndexOf('.')) : ""; //unnamed package???? |
| if (seenPackages.add(pack)) { |
| ExportsDirective d = new ExportsDirective(syms.enterPackage(msym, names.fromString(pack)), null); |
| //TODO: opens? |
| directives.add(d); |
| exports.add(d); |
| } |
| } |
| |
| msym.exports = exports.toList(); |
| msym.provides = List.nil(); |
| msym.requires = List.nil(); |
| msym.uses = List.nil(); |
| msym.directives = directives.toList(); |
| msym.flags_field |= Flags.ACYCLIC; |
| } catch (IOException ex) { |
| throw new IllegalStateException(ex); |
| } |
| } |
| |
| private void completeAutomaticModule(ModuleSymbol msym) throws CompletionFailure { |
| ListBuffer<Directive> directives = new ListBuffer<>(); |
| |
| directives.addAll(msym.directives); |
| |
| ListBuffer<RequiresDirective> requires = new ListBuffer<>(); |
| |
| for (ModuleSymbol ms : allModules()) { |
| if (ms == syms.unnamedModule || ms == msym) |
| continue; |
| Set<RequiresFlag> flags = (ms.flags_field & Flags.AUTOMATIC_MODULE) != 0 ? |
| EnumSet.of(RequiresFlag.TRANSITIVE) : EnumSet.noneOf(RequiresFlag.class); |
| RequiresDirective d = new RequiresDirective(ms, flags); |
| directives.add(d); |
| requires.add(d); |
| } |
| |
| RequiresDirective requiresUnnamed = new RequiresDirective(syms.unnamedModule); |
| directives.add(requiresUnnamed); |
| requires.add(requiresUnnamed); |
| |
| msym.requires = requires.toList(); |
| msym.directives = directives.toList(); |
| } |
| |
| private Completer getSourceCompleter(JCCompilationUnit tree) { |
| return new Completer() { |
| @Override |
| public void complete(Symbol sym) throws CompletionFailure { |
| ModuleSymbol msym = (ModuleSymbol) sym; |
| msym.flags_field |= UNATTRIBUTED; |
| ModuleVisitor v = new ModuleVisitor(); |
| JavaFileObject prev = log.useSource(tree.sourcefile); |
| JCModuleDecl moduleDecl = tree.getModuleDecl(); |
| DiagnosticPosition prevLintPos = deferredLintHandler.setPos(moduleDecl.pos()); |
| |
| try { |
| moduleDecl.accept(v); |
| completeModule(msym); |
| checkCyclicDependencies(moduleDecl); |
| } finally { |
| log.useSource(prev); |
| deferredLintHandler.setPos(prevLintPos); |
| msym.flags_field &= ~UNATTRIBUTED; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "SourceCompleter: " + tree.sourcefile.getName(); |
| } |
| |
| }; |
| } |
| |
| public boolean isRootModule(ModuleSymbol module) { |
| Assert.checkNonNull(rootModules); |
| return rootModules.contains(module); |
| } |
| |
| public Set<ModuleSymbol> getRootModules() { |
| Assert.checkNonNull(rootModules); |
| return rootModules; |
| } |
| |
| class ModuleVisitor extends JCTree.Visitor { |
| private ModuleSymbol sym; |
| private final Set<ModuleSymbol> allRequires = new HashSet<>(); |
| private final Map<PackageSymbol,List<ExportsDirective>> allExports = new HashMap<>(); |
| private final Map<PackageSymbol,List<OpensDirective>> allOpens = new HashMap<>(); |
| |
| @Override |
| public void visitModuleDef(JCModuleDecl tree) { |
| sym = Assert.checkNonNull(tree.sym); |
| |
| if (tree.getModuleType() == ModuleKind.OPEN) { |
| sym.flags.add(ModuleFlags.OPEN); |
| } |
| sym.flags_field |= (tree.mods.flags & Flags.DEPRECATED); |
| |
| sym.requires = List.nil(); |
| sym.exports = List.nil(); |
| sym.opens = List.nil(); |
| tree.directives.forEach(t -> t.accept(this)); |
| sym.requires = sym.requires.reverse(); |
| sym.exports = sym.exports.reverse(); |
| sym.opens = sym.opens.reverse(); |
| ensureJavaBase(); |
| } |
| |
| @Override |
| public void visitRequires(JCRequires tree) { |
| ModuleSymbol msym = lookupModule(tree.moduleName); |
| if (msym.kind != MDL) { |
| log.error(tree.moduleName.pos(), Errors.ModuleNotFound(msym)); |
| warnedMissing.add(msym); |
| } else if (allRequires.contains(msym)) { |
| log.error(tree.moduleName.pos(), Errors.DuplicateRequires(msym)); |
| } else { |
| allRequires.add(msym); |
| Set<RequiresFlag> flags = EnumSet.noneOf(RequiresFlag.class); |
| if (tree.isTransitive) |
| flags.add(RequiresFlag.TRANSITIVE); |
| if (tree.isStaticPhase) |
| flags.add(RequiresFlag.STATIC_PHASE); |
| RequiresDirective d = new RequiresDirective(msym, flags); |
| tree.directive = d; |
| sym.requires = sym.requires.prepend(d); |
| } |
| } |
| |
| @Override |
| public void visitExports(JCExports tree) { |
| Name name = TreeInfo.fullName(tree.qualid); |
| PackageSymbol packge = syms.enterPackage(sym, name); |
| attr.setPackageSymbols(tree.qualid, packge); |
| |
| List<ExportsDirective> exportsForPackage = allExports.computeIfAbsent(packge, p -> List.nil()); |
| for (ExportsDirective d : exportsForPackage) { |
| reportExportsConflict(tree, packge); |
| } |
| |
| List<ModuleSymbol> toModules = null; |
| if (tree.moduleNames != null) { |
| Set<ModuleSymbol> to = new LinkedHashSet<>(); |
| for (JCExpression n: tree.moduleNames) { |
| ModuleSymbol msym = lookupModule(n); |
| chk.checkModuleExists(n.pos(), msym); |
| for (ExportsDirective d : exportsForPackage) { |
| checkDuplicateExportsToModule(n, msym, d); |
| } |
| if (!to.add(msym)) { |
| reportExportsConflictToModule(n, msym); |
| } |
| } |
| toModules = List.from(to); |
| } |
| |
| if (toModules == null || !toModules.isEmpty()) { |
| Set<ExportsFlag> flags = EnumSet.noneOf(ExportsFlag.class); |
| ExportsDirective d = new ExportsDirective(packge, toModules, flags); |
| sym.exports = sym.exports.prepend(d); |
| tree.directive = d; |
| |
| allExports.put(packge, exportsForPackage.prepend(d)); |
| } |
| } |
| |
| private void reportExportsConflict(JCExports tree, PackageSymbol packge) { |
| log.error(tree.qualid.pos(), Errors.ConflictingExports(packge)); |
| } |
| |
| private void checkDuplicateExportsToModule(JCExpression name, ModuleSymbol msym, |
| ExportsDirective d) { |
| if (d.modules != null) { |
| for (ModuleSymbol other : d.modules) { |
| if (msym == other) { |
| reportExportsConflictToModule(name, msym); |
| } |
| } |
| } |
| } |
| |
| private void reportExportsConflictToModule(JCExpression name, ModuleSymbol msym) { |
| log.error(name.pos(), Errors.ConflictingExportsToModule(msym)); |
| } |
| |
| @Override |
| public void visitOpens(JCOpens tree) { |
| Name name = TreeInfo.fullName(tree.qualid); |
| PackageSymbol packge = syms.enterPackage(sym, name); |
| attr.setPackageSymbols(tree.qualid, packge); |
| |
| if (sym.flags.contains(ModuleFlags.OPEN)) { |
| log.error(tree.pos(), Errors.NoOpensUnlessStrong); |
| } |
| List<OpensDirective> opensForPackage = allOpens.computeIfAbsent(packge, p -> List.nil()); |
| for (OpensDirective d : opensForPackage) { |
| reportOpensConflict(tree, packge); |
| } |
| |
| List<ModuleSymbol> toModules = null; |
| if (tree.moduleNames != null) { |
| Set<ModuleSymbol> to = new LinkedHashSet<>(); |
| for (JCExpression n: tree.moduleNames) { |
| ModuleSymbol msym = lookupModule(n); |
| chk.checkModuleExists(n.pos(), msym); |
| for (OpensDirective d : opensForPackage) { |
| checkDuplicateOpensToModule(n, msym, d); |
| } |
| if (!to.add(msym)) { |
| reportOpensConflictToModule(n, msym); |
| } |
| } |
| toModules = List.from(to); |
| } |
| |
| if (toModules == null || !toModules.isEmpty()) { |
| Set<OpensFlag> flags = EnumSet.noneOf(OpensFlag.class); |
| OpensDirective d = new OpensDirective(packge, toModules, flags); |
| sym.opens = sym.opens.prepend(d); |
| tree.directive = d; |
| |
| allOpens.put(packge, opensForPackage.prepend(d)); |
| } |
| } |
| |
| private void reportOpensConflict(JCOpens tree, PackageSymbol packge) { |
| log.error(tree.qualid.pos(), Errors.ConflictingOpens(packge)); |
| } |
| |
| private void checkDuplicateOpensToModule(JCExpression name, ModuleSymbol msym, |
| OpensDirective d) { |
| if (d.modules != null) { |
| for (ModuleSymbol other : d.modules) { |
| if (msym == other) { |
| reportOpensConflictToModule(name, msym); |
| } |
| } |
| } |
| } |
| |
| private void reportOpensConflictToModule(JCExpression name, ModuleSymbol msym) { |
| log.error(name.pos(), Errors.ConflictingOpensToModule(msym)); |
| } |
| |
| @Override |
| public void visitProvides(JCProvides tree) { } |
| |
| @Override |
| public void visitUses(JCUses tree) { } |
| |
| private void ensureJavaBase() { |
| if (sym.name == names.java_base) |
| return; |
| |
| for (RequiresDirective d: sym.requires) { |
| if (d.module.name == names.java_base) |
| return; |
| } |
| |
| ModuleSymbol java_base = syms.enterModule(names.java_base); |
| Directive.RequiresDirective d = |
| new Directive.RequiresDirective(java_base, |
| EnumSet.of(Directive.RequiresFlag.MANDATED)); |
| sym.requires = sym.requires.prepend(d); |
| } |
| |
| private ModuleSymbol lookupModule(JCExpression moduleName) { |
| Name name = TreeInfo.fullName(moduleName); |
| ModuleSymbol msym = moduleFinder.findModule(name); |
| TreeInfo.setSymbol(moduleName, msym); |
| return msym; |
| } |
| } |
| |
| public Completer getUsesProvidesCompleter() { |
| return sym -> { |
| ModuleSymbol msym = (ModuleSymbol) sym; |
| |
| msym.complete(); |
| |
| Env<AttrContext> env = typeEnvs.get(msym); |
| UsesProvidesVisitor v = new UsesProvidesVisitor(msym, env); |
| JavaFileObject prev = log.useSource(env.toplevel.sourcefile); |
| JCModuleDecl decl = env.toplevel.getModuleDecl(); |
| DiagnosticPosition prevLintPos = deferredLintHandler.setPos(decl.pos()); |
| |
| try { |
| decl.accept(v); |
| } finally { |
| log.useSource(prev); |
| deferredLintHandler.setPos(prevLintPos); |
| } |
| }; |
| } |
| |
| class UsesProvidesVisitor extends JCTree.Visitor { |
| private final ModuleSymbol msym; |
| private final Env<AttrContext> env; |
| |
| private final Set<ClassSymbol> allUses = new HashSet<>(); |
| private final Map<ClassSymbol, Set<ClassSymbol>> allProvides = new HashMap<>(); |
| |
| public UsesProvidesVisitor(ModuleSymbol msym, Env<AttrContext> env) { |
| this.msym = msym; |
| this.env = env; |
| } |
| |
| @Override @SuppressWarnings("unchecked") |
| public void visitModuleDef(JCModuleDecl tree) { |
| msym.directives = List.nil(); |
| msym.provides = List.nil(); |
| msym.uses = List.nil(); |
| tree.directives.forEach(t -> t.accept(this)); |
| msym.directives = msym.directives.reverse(); |
| msym.provides = msym.provides.reverse(); |
| msym.uses = msym.uses.reverse(); |
| |
| if (msym.requires.nonEmpty() && msym.requires.head.flags.contains(RequiresFlag.MANDATED)) |
| msym.directives = msym.directives.prepend(msym.requires.head); |
| |
| msym.directives = msym.directives.appendList(List.from(addReads.getOrDefault(msym, Collections.emptySet()))); |
| |
| checkForCorrectness(); |
| } |
| |
| @Override |
| public void visitExports(JCExports tree) { |
| Iterable<Symbol> packageContent = tree.directive.packge.members().getSymbols(); |
| List<JavaFileObject> filesToCheck = List.nil(); |
| boolean packageNotEmpty = false; |
| for (Symbol sym : packageContent) { |
| if (sym.kind != Kinds.Kind.TYP) |
| continue; |
| ClassSymbol csym = (ClassSymbol) sym; |
| if (sym.completer.isTerminal() || |
| csym.classfile.getKind() == Kind.CLASS) { |
| packageNotEmpty = true; |
| filesToCheck = List.nil(); |
| break; |
| } |
| if (csym.classfile.getKind() == Kind.SOURCE) { |
| filesToCheck = filesToCheck.prepend(csym.classfile); |
| } |
| } |
| for (JavaFileObject jfo : filesToCheck) { |
| if (findPackageInFile.findPackageNameOf(jfo) == tree.directive.packge.fullname) { |
| packageNotEmpty = true; |
| break; |
| } |
| } |
| if (!packageNotEmpty) { |
| log.error(tree.qualid.pos(), Errors.PackageEmptyOrNotFound(tree.directive.packge)); |
| } |
| msym.directives = msym.directives.prepend(tree.directive); |
| } |
| |
| @Override |
| public void visitOpens(JCOpens tree) { |
| chk.checkPackageExistsForOpens(tree.qualid, tree.directive.packge); |
| msym.directives = msym.directives.prepend(tree.directive); |
| } |
| |
| MethodSymbol noArgsConstructor(ClassSymbol tsym) { |
| for (Symbol sym : tsym.members().getSymbolsByName(names.init)) { |
| MethodSymbol mSym = (MethodSymbol)sym; |
| if (mSym.params().isEmpty()) { |
| return mSym; |
| } |
| } |
| return null; |
| } |
| |
| MethodSymbol factoryMethod(ClassSymbol tsym) { |
| for (Symbol sym : tsym.members().getSymbolsByName(names.provider, sym -> sym.kind == MTH)) { |
| MethodSymbol mSym = (MethodSymbol)sym; |
| if (mSym.isStatic() && (mSym.flags() & Flags.PUBLIC) != 0 && mSym.params().isEmpty()) { |
| return mSym; |
| } |
| } |
| return null; |
| } |
| |
| Map<Directive.ProvidesDirective, JCProvides> directiveToTreeMap = new HashMap<>(); |
| |
| @Override |
| public void visitProvides(JCProvides tree) { |
| Type st = attr.attribType(tree.serviceName, env, syms.objectType); |
| ClassSymbol service = (ClassSymbol) st.tsym; |
| if (allProvides.containsKey(service)) { |
| log.error(tree.serviceName.pos(), Errors.RepeatedProvidesForService(service)); |
| } |
| ListBuffer<ClassSymbol> impls = new ListBuffer<>(); |
| for (JCExpression implName : tree.implNames) { |
| Type it; |
| boolean prevVisitingServiceImplementation = env.info.visitingServiceImplementation; |
| try { |
| env.info.visitingServiceImplementation = true; |
| it = attr.attribType(implName, env, syms.objectType); |
| } finally { |
| env.info.visitingServiceImplementation = prevVisitingServiceImplementation; |
| } |
| ClassSymbol impl = (ClassSymbol) it.tsym; |
| if ((impl.flags_field & PUBLIC) == 0) { |
| log.error(implName.pos(), Errors.NotDefPublic(impl, impl.location())); |
| } |
| //find provider factory: |
| MethodSymbol factory = factoryMethod(impl); |
| if (factory != null) { |
| Type returnType = factory.type.getReturnType(); |
| if (!types.isSubtype(returnType, st)) { |
| log.error(implName.pos(), Errors.ServiceImplementationProviderReturnMustBeSubtypeOfServiceInterface); |
| } |
| } else { |
| if (!types.isSubtype(it, st)) { |
| log.error(implName.pos(), Errors.ServiceImplementationMustBeSubtypeOfServiceInterface); |
| } else if ((impl.flags() & ABSTRACT) != 0) { |
| log.error(implName.pos(), Errors.ServiceImplementationIsAbstract(impl)); |
| } else if (impl.isInner()) { |
| log.error(implName.pos(), Errors.ServiceImplementationIsInner(impl)); |
| } else { |
| MethodSymbol constr = noArgsConstructor(impl); |
| if (constr == null) { |
| log.error(implName.pos(), Errors.ServiceImplementationDoesntHaveANoArgsConstructor(impl)); |
| } else if ((constr.flags() & PUBLIC) == 0) { |
| log.error(implName.pos(), Errors.ServiceImplementationNoArgsConstructorNotPublic(impl)); |
| } |
| } |
| } |
| if (it.hasTag(CLASS)) { |
| if (allProvides.computeIfAbsent(service, s -> new HashSet<>()).add(impl)) { |
| impls.append(impl); |
| } else { |
| log.error(implName.pos(), Errors.DuplicateProvides(service, impl)); |
| } |
| } |
| } |
| if (st.hasTag(CLASS) && !impls.isEmpty()) { |
| Directive.ProvidesDirective d = new Directive.ProvidesDirective(service, impls.toList()); |
| msym.provides = msym.provides.prepend(d); |
| msym.directives = msym.directives.prepend(d); |
| directiveToTreeMap.put(d, tree); |
| } |
| } |
| |
| @Override |
| public void visitRequires(JCRequires tree) { |
| if (tree.directive != null && allModules().contains(tree.directive.module)) { |
| chk.checkDeprecated(tree.moduleName.pos(), msym, tree.directive.module); |
| chk.checkModuleRequires(tree.moduleName.pos(), tree.directive); |
| msym.directives = msym.directives.prepend(tree.directive); |
| } |
| } |
| |
| @Override |
| public void visitUses(JCUses tree) { |
| Type st = attr.attribType(tree.qualid, env, syms.objectType); |
| Symbol sym = TreeInfo.symbol(tree.qualid); |
| if ((sym.flags() & ENUM) != 0) { |
| log.error(tree.qualid.pos(), Errors.ServiceDefinitionIsEnum(st.tsym)); |
| } else if (st.hasTag(CLASS)) { |
| ClassSymbol service = (ClassSymbol) st.tsym; |
| if (allUses.add(service)) { |
| Directive.UsesDirective d = new Directive.UsesDirective(service); |
| msym.uses = msym.uses.prepend(d); |
| msym.directives = msym.directives.prepend(d); |
| } else { |
| log.error(tree.pos(), Errors.DuplicateUses(service)); |
| } |
| } |
| } |
| |
| private void checkForCorrectness() { |
| for (Directive.ProvidesDirective provides : msym.provides) { |
| JCProvides tree = directiveToTreeMap.get(provides); |
| for (ClassSymbol impl : provides.impls) { |
| /* The implementation must be defined in the same module as the provides directive |
| * (else, error) |
| */ |
| PackageSymbol implementationDefiningPackage = impl.packge(); |
| if (implementationDefiningPackage.modle != msym) { |
| // TODO: should use tree for the implentation name, not the entire provides tree |
| // TODO: should improve error message to identify the implementation type |
| log.error(tree.pos(), Errors.ServiceImplementationNotInRightModule(implementationDefiningPackage.modle)); |
| } |
| |
| /* There is no inherent requirement that module that provides a service should actually |
| * use it itself. However, it is a pointless declaration if the service package is not |
| * exported and there is no uses for the service. |
| */ |
| PackageSymbol interfaceDeclaringPackage = provides.service.packge(); |
| boolean isInterfaceDeclaredInCurrentModule = interfaceDeclaringPackage.modle == msym; |
| boolean isInterfaceExportedFromAReadableModule = |
| msym.visiblePackages.get(interfaceDeclaringPackage.fullname) == interfaceDeclaringPackage; |
| if (isInterfaceDeclaredInCurrentModule && !isInterfaceExportedFromAReadableModule) { |
| // ok the interface is declared in this module. Let's check if it's exported |
| boolean warn = true; |
| for (ExportsDirective export : msym.exports) { |
| if (interfaceDeclaringPackage == export.packge) { |
| warn = false; |
| break; |
| } |
| } |
| if (warn) { |
| for (UsesDirective uses : msym.uses) { |
| if (provides.service == uses.service) { |
| warn = false; |
| break; |
| } |
| } |
| } |
| if (warn) { |
| log.warning(tree.pos(), Warnings.ServiceProvidedButNotExportedOrUsed(provides.service)); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| private Set<ModuleSymbol> allModules; |
| |
| public Set<ModuleSymbol> allModules() { |
| Assert.checkNonNull(allModules); |
| return allModules; |
| } |
| |
| private void setupAllModules() { |
| Assert.checkNonNull(rootModules); |
| Assert.checkNull(allModules); |
| |
| Set<ModuleSymbol> observable; |
| |
| if (limitModsOpt == null && extraLimitMods.isEmpty()) { |
| observable = null; |
| } else { |
| Set<ModuleSymbol> limitMods = new HashSet<>(); |
| if (limitModsOpt != null) { |
| for (String limit : limitModsOpt.split(",")) { |
| if (!isValidName(limit)) |
| continue; |
| limitMods.add(syms.enterModule(names.fromString(limit))); |
| } |
| } |
| for (String limit : extraLimitMods) { |
| limitMods.add(syms.enterModule(names.fromString(limit))); |
| } |
| observable = computeTransitiveClosure(limitMods, rootModules, null); |
| observable.addAll(rootModules); |
| if (lintOptions) { |
| for (ModuleSymbol msym : limitMods) { |
| if (!observable.contains(msym)) { |
| log.warning(LintCategory.OPTIONS, |
| Warnings.ModuleForOptionNotFound(Option.LIMIT_MODULES, msym)); |
| } |
| } |
| } |
| } |
| |
| Predicate<ModuleSymbol> observablePred = sym -> |
| (observable == null) ? (moduleFinder.findModule(sym).kind != ERR) : observable.contains(sym); |
| Predicate<ModuleSymbol> systemModulePred = sym -> (sym.flags() & Flags.SYSTEM_MODULE) != 0; |
| Predicate<ModuleSymbol> noIncubatorPred = sym -> { |
| sym.complete(); |
| return !sym.resolutionFlags.contains(ModuleResolutionFlags.DO_NOT_RESOLVE_BY_DEFAULT); |
| }; |
| Set<ModuleSymbol> enabledRoot = new LinkedHashSet<>(); |
| |
| if (rootModules.contains(syms.unnamedModule)) { |
| ModuleSymbol javaSE = syms.getModule(java_se); |
| Predicate<ModuleSymbol> jdkModulePred; |
| |
| if (javaSE != null && (observable == null || observable.contains(javaSE))) { |
| jdkModulePred = sym -> { |
| sym.complete(); |
| return !sym.name.startsWith(java_) |
| && sym.exports.stream().anyMatch(e -> e.modules == null); |
| }; |
| enabledRoot.add(javaSE); |
| } else { |
| jdkModulePred = sym -> true; |
| } |
| |
| for (ModuleSymbol sym : new HashSet<>(syms.getAllModules())) { |
| if (systemModulePred.test(sym) && observablePred.test(sym) && jdkModulePred.test(sym) && noIncubatorPred.test(sym)) { |
| enabledRoot.add(sym); |
| } |
| } |
| } |
| |
| enabledRoot.addAll(rootModules); |
| |
| if (addModsOpt != null || !extraAddMods.isEmpty()) { |
| Set<String> fullAddMods = new HashSet<>(); |
| fullAddMods.addAll(extraAddMods); |
| |
| if (addModsOpt != null) { |
| fullAddMods.addAll(Arrays.asList(addModsOpt.split(","))); |
| } |
| |
| for (String added : fullAddMods) { |
| Stream<ModuleSymbol> modules; |
| switch (added) { |
| case ALL_SYSTEM: |
| modules = new HashSet<>(syms.getAllModules()) |
| .stream() |
| .filter(systemModulePred.and(observablePred)); |
| break; |
| case ALL_MODULE_PATH: |
| modules = new HashSet<>(syms.getAllModules()) |
| .stream() |
| .filter(systemModulePred.negate().and(observablePred)); |
| break; |
| default: |
| if (!isValidName(added)) |
| continue; |
| modules = Stream.of(syms.enterModule(names.fromString(added))); |
| break; |
| } |
| modules.forEach(sym -> { |
| enabledRoot.add(sym); |
| if (observable != null) |
| observable.add(sym); |
| }); |
| } |
| } |
| |
| Set<ModuleSymbol> result = computeTransitiveClosure(enabledRoot, rootModules, observable); |
| |
| result.add(syms.unnamedModule); |
| |
| boolean hasAutomatic = result.stream().anyMatch(IS_AUTOMATIC); |
| |
| if (hasAutomatic) { |
| syms.getAllModules() |
| .stream() |
| .filter(IS_AUTOMATIC) |
| .forEach(result::add); |
| } |
| |
| String incubatingModules = result.stream() |
| .filter(msym -> msym.resolutionFlags.contains(ModuleResolutionFlags.WARN_INCUBATING)) |
| .map(msym -> msym.name.toString()) |
| .collect(Collectors.joining(",")); |
| |
| if (!incubatingModules.isEmpty()) { |
| log.warning(Warnings.IncubatingModules(incubatingModules)); |
| } |
| |
| allModules = result; |
| |
| //add module versions from options, if any: |
| if (moduleVersionOpt != null) { |
| Name version = names.fromString(moduleVersionOpt); |
| rootModules.forEach(m -> m.version = version); |
| } |
| } |
| //where: |
| private static final Predicate<ModuleSymbol> IS_AUTOMATIC = |
| m -> (m.flags_field & Flags.AUTOMATIC_MODULE) != 0; |
| |
| public boolean isInModuleGraph(ModuleSymbol msym) { |
| return allModules == null || allModules.contains(msym); |
| } |
| |
| private Set<ModuleSymbol> computeTransitiveClosure(Set<? extends ModuleSymbol> base, |
| Set<? extends ModuleSymbol> rootModules, |
| Set<ModuleSymbol> observable) { |
| List<ModuleSymbol> primaryTodo = List.nil(); |
| List<ModuleSymbol> secondaryTodo = List.nil(); |
| |
| for (ModuleSymbol ms : base) { |
| if (rootModules.contains(ms)) { |
| primaryTodo = primaryTodo.prepend(ms); |
| } else { |
| secondaryTodo = secondaryTodo.prepend(ms); |
| } |
| } |
| |
| Set<ModuleSymbol> result = new LinkedHashSet<>(); |
| result.add(syms.java_base); |
| |
| while (primaryTodo.nonEmpty() || secondaryTodo.nonEmpty()) { |
| ModuleSymbol current; |
| boolean isPrimaryTodo; |
| if (primaryTodo.nonEmpty()) { |
| current = primaryTodo.head; |
| primaryTodo = primaryTodo.tail; |
| isPrimaryTodo = true; |
| } else { |
| current = secondaryTodo.head; |
| secondaryTodo = secondaryTodo.tail; |
| isPrimaryTodo = false; |
| } |
| if (observable != null && !observable.contains(current)) |
| continue; |
| if (!result.add(current) || current == syms.unnamedModule || ((current.flags_field & Flags.AUTOMATIC_MODULE) != 0)) |
| continue; |
| current.complete(); |
| if (current.kind == ERR && (isPrimaryTodo || base.contains(current)) && warnedMissing.add(current)) { |
| log.error(Errors.ModuleNotFound(current)); |
| } |
| for (RequiresDirective rd : current.requires) { |
| if (rd.module == syms.java_base) continue; |
| if ((rd.isTransitive() && isPrimaryTodo) || rootModules.contains(current)) { |
| primaryTodo = primaryTodo.prepend(rd.module); |
| } else { |
| secondaryTodo = secondaryTodo.prepend(rd.module); |
| } |
| } |
| } |
| |
| return result; |
| } |
| |
| public ModuleSymbol getObservableModule(Name name) { |
| ModuleSymbol mod = syms.getModule(name); |
| |
| if (allModules().contains(mod)) { |
| return mod; |
| } |
| |
| return null; |
| } |
| |
| private Completer getUnnamedModuleCompleter() { |
| moduleFinder.findAllModules(); |
| return new Symbol.Completer() { |
| @Override |
| public void complete(Symbol sym) throws CompletionFailure { |
| if (inInitModules) { |
| sym.completer = this; |
| return ; |
| } |
| ModuleSymbol msym = (ModuleSymbol) sym; |
| Set<ModuleSymbol> allModules = new HashSet<>(allModules()); |
| allModules.remove(syms.unnamedModule); |
| for (ModuleSymbol m : allModules) { |
| m.complete(); |
| } |
| initVisiblePackages(msym, allModules); |
| } |
| |
| @Override |
| public String toString() { |
| return "unnamedModule Completer"; |
| } |
| }; |
| } |
| |
| private final Map<ModuleSymbol, Set<ModuleSymbol>> requiresTransitiveCache = new HashMap<>(); |
| |
| private void completeModule(ModuleSymbol msym) { |
| if (inInitModules) { |
| msym.completer = sym -> completeModule(msym); |
| return ; |
| } |
| |
| if ((msym.flags_field & Flags.AUTOMATIC_MODULE) != 0) { |
| completeAutomaticModule(msym); |
| } |
| |
| Assert.checkNonNull(msym.requires); |
| |
| initAddReads(); |
| |
| msym.requires = msym.requires.appendList(List.from(addReads.getOrDefault(msym, Collections.emptySet()))); |
| |
| List<RequiresDirective> requires = msym.requires; |
| |
| while (requires.nonEmpty()) { |
| if (!allModules().contains(requires.head.module)) { |
| Env<AttrContext> env = typeEnvs.get(msym); |
| if (env != null) { |
| JavaFileObject origSource = log.useSource(env.toplevel.sourcefile); |
| try { |
| log.error(/*XXX*/env.tree, Errors.ModuleNotFound(requires.head.module)); |
| } finally { |
| log.useSource(origSource); |
| } |
| } else { |
| Assert.check((msym.flags() & Flags.AUTOMATIC_MODULE) == 0); |
| } |
| msym.requires = List.filter(msym.requires, requires.head); |
| } |
| requires = requires.tail; |
| } |
| |
| Set<ModuleSymbol> readable = new LinkedHashSet<>(); |
| Set<ModuleSymbol> requiresTransitive = new HashSet<>(); |
| |
| for (RequiresDirective d : msym.requires) { |
| d.module.complete(); |
| readable.add(d.module); |
| Set<ModuleSymbol> s = retrieveRequiresTransitive(d.module); |
| Assert.checkNonNull(s, () -> "no entry in cache for " + d.module); |
| readable.addAll(s); |
| if (d.flags.contains(RequiresFlag.TRANSITIVE)) { |
| requiresTransitive.add(d.module); |
| requiresTransitive.addAll(s); |
| } |
| } |
| |
| requiresTransitiveCache.put(msym, requiresTransitive); |
| initVisiblePackages(msym, readable); |
| for (ExportsDirective d: msym.exports) { |
| if (d.packge != null) { |
| d.packge.modle = msym; |
| } |
| } |
| |
| if (!allowAccessIntoSystem && (msym.flags() & Flags.SYSTEM_MODULE) != 0 && |
| msym.patchLocation != null) { |
| log.error(Errors.PatchModuleWithRelease(msym)); |
| } |
| } |
| |
| private Set<ModuleSymbol> retrieveRequiresTransitive(ModuleSymbol msym) { |
| Set<ModuleSymbol> requiresTransitive = requiresTransitiveCache.get(msym); |
| |
| if (requiresTransitive == null) { |
| //the module graph may contain cycles involving automatic modules or --add-reads edges |
| requiresTransitive = new HashSet<>(); |
| |
| Set<ModuleSymbol> seen = new HashSet<>(); |
| List<ModuleSymbol> todo = List.of(msym); |
| |
| while (todo.nonEmpty()) { |
| ModuleSymbol current = todo.head; |
| todo = todo.tail; |
| if (!seen.add(current)) |
| continue; |
| requiresTransitive.add(current); |
| current.complete(); |
| Iterable<? extends RequiresDirective> requires; |
| if (current != syms.unnamedModule) { |
| Assert.checkNonNull(current.requires, () -> current + ".requires == null; " + msym); |
| requires = current.requires; |
| for (RequiresDirective rd : requires) { |
| if (rd.isTransitive()) |
| todo = todo.prepend(rd.module); |
| } |
| } else { |
| for (ModuleSymbol mod : allModules()) { |
| todo = todo.prepend(mod); |
| } |
| } |
| } |
| |
| requiresTransitive.remove(msym); |
| } |
| |
| return requiresTransitive; |
| } |
| |
| private void initVisiblePackages(ModuleSymbol msym, Collection<ModuleSymbol> readable) { |
| initAddExports(); |
| |
| msym.visiblePackages = new LinkedHashMap<>(); |
| msym.readModules = new HashSet<>(readable); |
| |
| Map<Name, ModuleSymbol> seen = new HashMap<>(); |
| |
| for (ModuleSymbol rm : readable) { |
| if (rm == syms.unnamedModule) |
| continue; |
| addVisiblePackages(msym, seen, rm, rm.exports); |
| } |
| |
| addExports.forEach((exportsFrom, exports) -> { |
| addVisiblePackages(msym, seen, exportsFrom, exports); |
| }); |
| } |
| |
| private void addVisiblePackages(ModuleSymbol msym, |
| Map<Name, ModuleSymbol> seenPackages, |
| ModuleSymbol exportsFrom, |
| Collection<ExportsDirective> exports) { |
| for (ExportsDirective d : exports) { |
| if (d.modules == null || d.modules.contains(msym)) { |
| Name packageName = d.packge.fullname; |
| ModuleSymbol previousModule = seenPackages.get(packageName); |
| |
| if (previousModule != null && previousModule != exportsFrom) { |
| Env<AttrContext> env = typeEnvs.get(msym); |
| JavaFileObject origSource = env != null ? log.useSource(env.toplevel.sourcefile) |
| : null; |
| DiagnosticPosition pos = env != null ? env.tree.pos() : null; |
| try { |
| if (msym.isUnnamed()) { |
| log.error(pos, Errors.PackageClashFromRequiresInUnnamed(packageName, |
| previousModule, exportsFrom)); |
| } else { |
| log.error(pos, Errors.PackageClashFromRequires(msym, packageName, |
| previousModule, exportsFrom)); |
| } |
| } finally { |
| if (env != null) |
| log.useSource(origSource); |
| } |
| continue; |
| } |
| |
| seenPackages.put(packageName, exportsFrom); |
| msym.visiblePackages.put(d.packge.fullname, d.packge); |
| } |
| } |
| } |
| |
| private void initAddExports() { |
| if (addExports != null) |
| return; |
| |
| addExports = new LinkedHashMap<>(); |
| Set<ModuleSymbol> unknownModules = new HashSet<>(); |
| |
| if (addExportsOpt == null) |
| return; |
| |
| Pattern ep = Pattern.compile("([^/]+)/([^=]+)=(.*)"); |
| for (String s: addExportsOpt.split("\0+")) { |
| if (s.isEmpty()) |
| continue; |
| Matcher em = ep.matcher(s); |
| if (!em.matches()) { |
| continue; |
| } |
| |
| // Terminology comes from |
| // --add-exports module/package=target,... |
| // Compare to |
| // module module { exports package to target, ... } |
| String moduleName = em.group(1); |
| String packageName = em.group(2); |
| String targetNames = em.group(3); |
| |
| if (!isValidName(moduleName)) |
| continue; |
| |
| ModuleSymbol msym = syms.enterModule(names.fromString(moduleName)); |
| if (!isKnownModule(msym, unknownModules)) |
| continue; |
| |
| if (!isValidName(packageName)) |
| continue; |
| |
| if (!allowAccessIntoSystem && (msym.flags() & Flags.SYSTEM_MODULE) != 0) { |
| log.error(Errors.AddExportsWithRelease(msym)); |
| continue; |
| } |
| |
| PackageSymbol p = syms.enterPackage(msym, names.fromString(packageName)); |
| p.modle = msym; // TODO: do we need this? |
| |
| List<ModuleSymbol> targetModules = List.nil(); |
| for (String toModule : targetNames.split("[ ,]+")) { |
| ModuleSymbol m; |
| if (toModule.equals("ALL-UNNAMED")) { |
| m = syms.unnamedModule; |
| } else { |
| if (!isValidName(toModule)) |
| continue; |
| m = syms.enterModule(names.fromString(toModule)); |
| if (!isKnownModule(m, unknownModules)) |
| continue; |
| } |
| targetModules = targetModules.prepend(m); |
| } |
| |
| Set<ExportsDirective> extra = addExports.computeIfAbsent(msym, _x -> new LinkedHashSet<>()); |
| ExportsDirective d = new ExportsDirective(p, targetModules); |
| extra.add(d); |
| } |
| } |
| |
| private boolean isKnownModule(ModuleSymbol msym, Set<ModuleSymbol> unknownModules) { |
| if (allModules.contains(msym)) { |
| return true; |
| } |
| |
| if (!unknownModules.contains(msym)) { |
| if (lintOptions) { |
| log.warning(LintCategory.OPTIONS, |
| Warnings.ModuleForOptionNotFound(Option.ADD_EXPORTS, msym)); |
| } |
| unknownModules.add(msym); |
| } |
| return false; |
| } |
| |
| private void initAddReads() { |
| if (addReads != null) |
| return; |
| |
| addReads = new LinkedHashMap<>(); |
| |
| if (addReadsOpt == null) |
| return; |
| |
| Pattern rp = Pattern.compile("([^=]+)=(.*)"); |
| for (String s : addReadsOpt.split("\0+")) { |
| if (s.isEmpty()) |
| continue; |
| Matcher rm = rp.matcher(s); |
| if (!rm.matches()) { |
| continue; |
| } |
| |
| // Terminology comes from |
| // --add-reads source-module=target-module,... |
| // Compare to |
| // module source-module { requires target-module; ... } |
| String sourceName = rm.group(1); |
| String targetNames = rm.group(2); |
| |
| if (!isValidName(sourceName)) |
| continue; |
| |
| ModuleSymbol msym = syms.enterModule(names.fromString(sourceName)); |
| if (!allModules.contains(msym)) { |
| if (lintOptions) { |
| log.warning(Warnings.ModuleForOptionNotFound(Option.ADD_READS, msym)); |
| } |
| continue; |
| } |
| |
| if (!allowAccessIntoSystem && (msym.flags() & Flags.SYSTEM_MODULE) != 0) { |
| log.error(Errors.AddReadsWithRelease(msym)); |
| continue; |
| } |
| |
| for (String targetName : targetNames.split("[ ,]+", -1)) { |
| ModuleSymbol targetModule; |
| if (targetName.equals("ALL-UNNAMED")) { |
| targetModule = syms.unnamedModule; |
| } else { |
| if (!isValidName(targetName)) |
| continue; |
| targetModule = syms.enterModule(names.fromString(targetName)); |
| if (!allModules.contains(targetModule)) { |
| if (lintOptions) { |
| log.warning(LintCategory.OPTIONS, Warnings.ModuleForOptionNotFound(Option.ADD_READS, targetModule)); |
| } |
| continue; |
| } |
| } |
| addReads.computeIfAbsent(msym, m -> new HashSet<>()) |
| .add(new RequiresDirective(targetModule, EnumSet.of(RequiresFlag.EXTRA))); |
| } |
| } |
| } |
| |
| private void checkCyclicDependencies(JCModuleDecl mod) { |
| for (JCDirective d : mod.directives) { |
| JCRequires rd; |
| if (!d.hasTag(Tag.REQUIRES) || (rd = (JCRequires) d).directive == null) |
| continue; |
| Set<ModuleSymbol> nonSyntheticDeps = new HashSet<>(); |
| List<ModuleSymbol> queue = List.of(rd.directive.module); |
| while (queue.nonEmpty()) { |
| ModuleSymbol current = queue.head; |
| queue = queue.tail; |
| if (!nonSyntheticDeps.add(current)) |
| continue; |
| current.complete(); |
| if ((current.flags() & Flags.ACYCLIC) != 0) |
| continue; |
| Assert.checkNonNull(current.requires, current::toString); |
| for (RequiresDirective dep : current.requires) { |
| if (!dep.flags.contains(RequiresFlag.EXTRA)) |
| queue = queue.prepend(dep.module); |
| } |
| } |
| if (nonSyntheticDeps.contains(mod.sym)) { |
| log.error(rd.moduleName.pos(), Errors.CyclicRequires(rd.directive.module)); |
| } |
| mod.sym.flags_field |= Flags.ACYCLIC; |
| } |
| } |
| |
| private boolean isValidName(CharSequence name) { |
| return SourceVersion.isName(name, Source.toSourceVersion(source)); |
| } |
| |
| // DEBUG |
| private String toString(ModuleSymbol msym) { |
| return msym.name + "[" |
| + "kind:" + msym.kind + ";" |
| + "locn:" + toString(msym.sourceLocation) + "," + toString(msym.classLocation) + ";" |
| + "info:" + toString(msym.module_info.sourcefile) + "," |
| + toString(msym.module_info.classfile) + "," |
| + msym.module_info.completer |
| + "]"; |
| } |
| |
| // DEBUG |
| String toString(Location locn) { |
| return (locn == null) ? "--" : locn.getName(); |
| } |
| |
| // DEBUG |
| String toString(JavaFileObject fo) { |
| return (fo == null) ? "--" : fo.getName(); |
| } |
| |
| public void newRound() { |
| allModules = null; |
| rootModules = null; |
| warnedMissing.clear(); |
| } |
| |
| public interface PackageNameFinder { |
| public Name findPackageNameOf(JavaFileObject jfo); |
| } |
| } |
