Tue, 25 Sep 2012 13:11:05 -0700
7196464: upgrade JavaCompiler.shouldStopPolicy to accomodate policies in face of error and no error
Reviewed-by: mcimadamore
duke@1 | 1 | /* |
jjg@1210 | 2 | * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@554 | 7 | * published by the Free Software Foundation. Oracle designates this |
duke@1 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@554 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
duke@1 | 10 | * |
duke@1 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 15 | * accompanied this code). |
duke@1 | 16 | * |
duke@1 | 17 | * You should have received a copy of the GNU General Public License version |
duke@1 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 20 | * |
ohair@554 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 23 | * questions. |
duke@1 | 24 | */ |
duke@1 | 25 | |
duke@1 | 26 | package com.sun.tools.javac.api; |
duke@1 | 27 | |
duke@1 | 28 | import java.io.IOException; |
jjg@1210 | 29 | |
duke@1 | 30 | import javax.annotation.processing.ProcessingEnvironment; |
duke@1 | 31 | import javax.lang.model.element.AnnotationMirror; |
duke@1 | 32 | import javax.lang.model.element.AnnotationValue; |
duke@1 | 33 | import javax.lang.model.element.Element; |
duke@1 | 34 | import javax.lang.model.element.ExecutableElement; |
duke@1 | 35 | import javax.lang.model.element.TypeElement; |
duke@1 | 36 | import javax.lang.model.type.DeclaredType; |
jjg@988 | 37 | import javax.lang.model.type.TypeKind; |
duke@1 | 38 | import javax.lang.model.type.TypeMirror; |
jjg@308 | 39 | import javax.tools.Diagnostic; |
duke@1 | 40 | import javax.tools.JavaCompiler; |
duke@1 | 41 | import javax.tools.JavaFileObject; |
duke@1 | 42 | |
jjg@988 | 43 | import com.sun.source.tree.CatchTree; |
duke@1 | 44 | import com.sun.source.tree.CompilationUnitTree; |
duke@1 | 45 | import com.sun.source.tree.Scope; |
duke@1 | 46 | import com.sun.source.tree.Tree; |
jjg@1210 | 47 | import com.sun.source.util.JavacTask; |
duke@1 | 48 | import com.sun.source.util.SourcePositions; |
duke@1 | 49 | import com.sun.source.util.TreePath; |
duke@1 | 50 | import com.sun.source.util.Trees; |
jjg@672 | 51 | import com.sun.tools.javac.code.Flags; |
jjg@1210 | 52 | import com.sun.tools.javac.code.Symbol; |
duke@1 | 53 | import com.sun.tools.javac.code.Symbol.ClassSymbol; |
duke@1 | 54 | import com.sun.tools.javac.code.Symbol.TypeSymbol; |
jjg@988 | 55 | import com.sun.tools.javac.code.Type.UnionClassType; |
duke@1 | 56 | import com.sun.tools.javac.comp.Attr; |
duke@1 | 57 | import com.sun.tools.javac.comp.AttrContext; |
duke@1 | 58 | import com.sun.tools.javac.comp.Enter; |
duke@1 | 59 | import com.sun.tools.javac.comp.Env; |
duke@1 | 60 | import com.sun.tools.javac.comp.MemberEnter; |
duke@1 | 61 | import com.sun.tools.javac.comp.Resolve; |
duke@1 | 62 | import com.sun.tools.javac.model.JavacElements; |
jjg@1280 | 63 | import com.sun.tools.javac.tree.EndPosTable; |
duke@1 | 64 | import com.sun.tools.javac.processing.JavacProcessingEnvironment; |
jjg@1210 | 65 | import com.sun.tools.javac.tree.JCTree; |
duke@1 | 66 | import com.sun.tools.javac.tree.JCTree.*; |
duke@1 | 67 | import com.sun.tools.javac.tree.TreeCopier; |
duke@1 | 68 | import com.sun.tools.javac.tree.TreeInfo; |
duke@1 | 69 | import com.sun.tools.javac.tree.TreeMaker; |
jjg@1090 | 70 | import com.sun.tools.javac.util.Assert; |
duke@1 | 71 | import com.sun.tools.javac.util.Context; |
jjg@308 | 72 | import com.sun.tools.javac.util.JCDiagnostic; |
duke@1 | 73 | import com.sun.tools.javac.util.List; |
duke@1 | 74 | import com.sun.tools.javac.util.Log; |
duke@1 | 75 | import com.sun.tools.javac.util.Pair; |
duke@1 | 76 | |
duke@1 | 77 | /** |
duke@1 | 78 | * Provides an implementation of Trees. |
duke@1 | 79 | * |
jjg@581 | 80 | * <p><b>This is NOT part of any supported API. |
duke@1 | 81 | * If you write code that depends on this, you do so at your own |
duke@1 | 82 | * risk. This code and its internal interfaces are subject to change |
duke@1 | 83 | * or deletion without notice.</b></p> |
duke@1 | 84 | * |
duke@1 | 85 | * @author Peter von der Ahé |
duke@1 | 86 | */ |
duke@1 | 87 | public class JavacTrees extends Trees { |
duke@1 | 88 | |
jjg@696 | 89 | // in a world of a single context per compilation, these would all be final |
jjg@696 | 90 | private Resolve resolve; |
jjg@696 | 91 | private Enter enter; |
jjg@696 | 92 | private Log log; |
jjg@696 | 93 | private MemberEnter memberEnter; |
jjg@696 | 94 | private Attr attr; |
jjg@696 | 95 | private TreeMaker treeMaker; |
jjg@696 | 96 | private JavacElements elements; |
jjg@696 | 97 | private JavacTaskImpl javacTaskImpl; |
duke@1 | 98 | |
jjg@1210 | 99 | // called reflectively from Trees.instance(CompilationTask task) |
duke@1 | 100 | public static JavacTrees instance(JavaCompiler.CompilationTask task) { |
duke@1 | 101 | if (!(task instanceof JavacTaskImpl)) |
duke@1 | 102 | throw new IllegalArgumentException(); |
duke@1 | 103 | return instance(((JavacTaskImpl)task).getContext()); |
duke@1 | 104 | } |
duke@1 | 105 | |
jjg@1210 | 106 | // called reflectively from Trees.instance(ProcessingEnvironment env) |
duke@1 | 107 | public static JavacTrees instance(ProcessingEnvironment env) { |
duke@1 | 108 | if (!(env instanceof JavacProcessingEnvironment)) |
duke@1 | 109 | throw new IllegalArgumentException(); |
duke@1 | 110 | return instance(((JavacProcessingEnvironment)env).getContext()); |
duke@1 | 111 | } |
duke@1 | 112 | |
duke@1 | 113 | public static JavacTrees instance(Context context) { |
duke@1 | 114 | JavacTrees instance = context.get(JavacTrees.class); |
duke@1 | 115 | if (instance == null) |
duke@1 | 116 | instance = new JavacTrees(context); |
duke@1 | 117 | return instance; |
duke@1 | 118 | } |
duke@1 | 119 | |
ksrini@1327 | 120 | protected JavacTrees(Context context) { |
duke@1 | 121 | context.put(JavacTrees.class, this); |
jjg@696 | 122 | init(context); |
jjg@696 | 123 | } |
jjg@696 | 124 | |
jjg@696 | 125 | public void updateContext(Context context) { |
jjg@696 | 126 | init(context); |
jjg@696 | 127 | } |
jjg@696 | 128 | |
jjg@696 | 129 | private void init(Context context) { |
duke@1 | 130 | attr = Attr.instance(context); |
duke@1 | 131 | enter = Enter.instance(context); |
duke@1 | 132 | elements = JavacElements.instance(context); |
duke@1 | 133 | log = Log.instance(context); |
duke@1 | 134 | resolve = Resolve.instance(context); |
duke@1 | 135 | treeMaker = TreeMaker.instance(context); |
duke@1 | 136 | memberEnter = MemberEnter.instance(context); |
jjg@1210 | 137 | |
jjg@1210 | 138 | JavacTask t = context.get(JavacTask.class); |
jjg@1210 | 139 | if (t instanceof JavacTaskImpl) |
jjg@1210 | 140 | javacTaskImpl = (JavacTaskImpl) t; |
duke@1 | 141 | } |
duke@1 | 142 | |
duke@1 | 143 | public SourcePositions getSourcePositions() { |
duke@1 | 144 | return new SourcePositions() { |
duke@1 | 145 | public long getStartPosition(CompilationUnitTree file, Tree tree) { |
duke@1 | 146 | return TreeInfo.getStartPos((JCTree) tree); |
duke@1 | 147 | } |
duke@1 | 148 | |
duke@1 | 149 | public long getEndPosition(CompilationUnitTree file, Tree tree) { |
ksrini@1138 | 150 | EndPosTable endPosTable = ((JCCompilationUnit) file).endPositions; |
ksrini@1138 | 151 | return TreeInfo.getEndPos((JCTree) tree, endPosTable); |
duke@1 | 152 | } |
duke@1 | 153 | }; |
duke@1 | 154 | } |
duke@1 | 155 | |
duke@1 | 156 | public JCClassDecl getTree(TypeElement element) { |
duke@1 | 157 | return (JCClassDecl) getTree((Element) element); |
duke@1 | 158 | } |
duke@1 | 159 | |
duke@1 | 160 | public JCMethodDecl getTree(ExecutableElement method) { |
duke@1 | 161 | return (JCMethodDecl) getTree((Element) method); |
duke@1 | 162 | } |
duke@1 | 163 | |
duke@1 | 164 | public JCTree getTree(Element element) { |
duke@1 | 165 | Symbol symbol = (Symbol) element; |
duke@1 | 166 | TypeSymbol enclosing = symbol.enclClass(); |
duke@1 | 167 | Env<AttrContext> env = enter.getEnv(enclosing); |
duke@1 | 168 | if (env == null) |
duke@1 | 169 | return null; |
duke@1 | 170 | JCClassDecl classNode = env.enclClass; |
duke@1 | 171 | if (classNode != null) { |
duke@1 | 172 | if (TreeInfo.symbolFor(classNode) == element) |
duke@1 | 173 | return classNode; |
duke@1 | 174 | for (JCTree node : classNode.getMembers()) |
duke@1 | 175 | if (TreeInfo.symbolFor(node) == element) |
duke@1 | 176 | return node; |
duke@1 | 177 | } |
duke@1 | 178 | return null; |
duke@1 | 179 | } |
duke@1 | 180 | |
duke@1 | 181 | public JCTree getTree(Element e, AnnotationMirror a) { |
duke@1 | 182 | return getTree(e, a, null); |
duke@1 | 183 | } |
duke@1 | 184 | |
duke@1 | 185 | public JCTree getTree(Element e, AnnotationMirror a, AnnotationValue v) { |
duke@1 | 186 | Pair<JCTree, JCCompilationUnit> treeTopLevel = elements.getTreeAndTopLevel(e, a, v); |
duke@1 | 187 | if (treeTopLevel == null) |
duke@1 | 188 | return null; |
duke@1 | 189 | return treeTopLevel.fst; |
duke@1 | 190 | } |
duke@1 | 191 | |
duke@1 | 192 | public TreePath getPath(CompilationUnitTree unit, Tree node) { |
duke@1 | 193 | return TreePath.getPath(unit, node); |
duke@1 | 194 | } |
duke@1 | 195 | |
duke@1 | 196 | public TreePath getPath(Element e) { |
duke@1 | 197 | return getPath(e, null, null); |
duke@1 | 198 | } |
duke@1 | 199 | |
duke@1 | 200 | public TreePath getPath(Element e, AnnotationMirror a) { |
duke@1 | 201 | return getPath(e, a, null); |
duke@1 | 202 | } |
duke@1 | 203 | |
duke@1 | 204 | public TreePath getPath(Element e, AnnotationMirror a, AnnotationValue v) { |
duke@1 | 205 | final Pair<JCTree, JCCompilationUnit> treeTopLevel = elements.getTreeAndTopLevel(e, a, v); |
duke@1 | 206 | if (treeTopLevel == null) |
duke@1 | 207 | return null; |
duke@1 | 208 | return TreePath.getPath(treeTopLevel.snd, treeTopLevel.fst); |
duke@1 | 209 | } |
duke@1 | 210 | |
duke@1 | 211 | public Element getElement(TreePath path) { |
jjg@672 | 212 | JCTree tree = (JCTree) path.getLeaf(); |
jjg@672 | 213 | Symbol sym = TreeInfo.symbolFor(tree); |
jjg@672 | 214 | if (sym == null && TreeInfo.isDeclaration(tree)) { |
jjg@672 | 215 | for (TreePath p = path; p != null; p = p.getParentPath()) { |
jjg@672 | 216 | JCTree t = (JCTree) p.getLeaf(); |
jjg@1127 | 217 | if (t.hasTag(JCTree.Tag.CLASSDEF)) { |
jjg@672 | 218 | JCClassDecl ct = (JCClassDecl) t; |
jjg@672 | 219 | if (ct.sym != null) { |
jjg@672 | 220 | if ((ct.sym.flags_field & Flags.UNATTRIBUTED) != 0) { |
jjg@672 | 221 | attr.attribClass(ct.pos(), ct.sym); |
jjg@672 | 222 | sym = TreeInfo.symbolFor(tree); |
jjg@672 | 223 | } |
jjg@672 | 224 | break; |
jjg@672 | 225 | } |
jjg@672 | 226 | } |
jjg@672 | 227 | } |
jjg@672 | 228 | } |
jjg@672 | 229 | return sym; |
duke@1 | 230 | } |
duke@1 | 231 | |
duke@1 | 232 | public TypeMirror getTypeMirror(TreePath path) { |
duke@1 | 233 | Tree t = path.getLeaf(); |
duke@1 | 234 | return ((JCTree)t).type; |
duke@1 | 235 | } |
duke@1 | 236 | |
duke@1 | 237 | public JavacScope getScope(TreePath path) { |
duke@1 | 238 | return new JavacScope(getAttrContext(path)); |
duke@1 | 239 | } |
duke@1 | 240 | |
jjg@783 | 241 | public String getDocComment(TreePath path) { |
jjg@783 | 242 | CompilationUnitTree t = path.getCompilationUnit(); |
jjg@1280 | 243 | Tree leaf = path.getLeaf(); |
jjg@1280 | 244 | if (t instanceof JCTree.JCCompilationUnit && leaf instanceof JCTree) { |
jjg@783 | 245 | JCCompilationUnit cu = (JCCompilationUnit) t; |
jjg@783 | 246 | if (cu.docComments != null) { |
jjg@1280 | 247 | return cu.docComments.getCommentText((JCTree) leaf); |
jjg@783 | 248 | } |
jjg@783 | 249 | } |
jjg@783 | 250 | return null; |
jjg@783 | 251 | } |
jjg@783 | 252 | |
duke@1 | 253 | public boolean isAccessible(Scope scope, TypeElement type) { |
duke@1 | 254 | if (scope instanceof JavacScope && type instanceof ClassSymbol) { |
duke@1 | 255 | Env<AttrContext> env = ((JavacScope) scope).env; |
mcimadamore@741 | 256 | return resolve.isAccessible(env, (ClassSymbol)type, true); |
duke@1 | 257 | } else |
duke@1 | 258 | return false; |
duke@1 | 259 | } |
duke@1 | 260 | |
duke@1 | 261 | public boolean isAccessible(Scope scope, Element member, DeclaredType type) { |
duke@1 | 262 | if (scope instanceof JavacScope |
duke@1 | 263 | && member instanceof Symbol |
duke@1 | 264 | && type instanceof com.sun.tools.javac.code.Type) { |
duke@1 | 265 | Env<AttrContext> env = ((JavacScope) scope).env; |
mcimadamore@741 | 266 | return resolve.isAccessible(env, (com.sun.tools.javac.code.Type)type, (Symbol)member, true); |
duke@1 | 267 | } else |
duke@1 | 268 | return false; |
duke@1 | 269 | } |
duke@1 | 270 | |
duke@1 | 271 | private Env<AttrContext> getAttrContext(TreePath path) { |
duke@1 | 272 | if (!(path.getLeaf() instanceof JCTree)) // implicit null-check |
duke@1 | 273 | throw new IllegalArgumentException(); |
duke@1 | 274 | |
jjg@1090 | 275 | // if we're being invoked from a Tree API client via parse/enter/analyze, |
jjg@1090 | 276 | // we need to make sure all the classes have been entered; |
jjg@1090 | 277 | // if we're being invoked from JSR 199 or JSR 269, then the classes |
jjg@1090 | 278 | // will already have been entered. |
duke@1 | 279 | if (javacTaskImpl != null) { |
duke@1 | 280 | try { |
duke@1 | 281 | javacTaskImpl.enter(null); |
duke@1 | 282 | } catch (IOException e) { |
duke@1 | 283 | throw new Error("unexpected error while entering symbols: " + e); |
duke@1 | 284 | } |
duke@1 | 285 | } |
duke@1 | 286 | |
duke@1 | 287 | |
duke@1 | 288 | JCCompilationUnit unit = (JCCompilationUnit) path.getCompilationUnit(); |
ksrini@1327 | 289 | Copier copier = createCopier(treeMaker.forToplevel(unit)); |
duke@1 | 290 | |
duke@1 | 291 | Env<AttrContext> env = null; |
duke@1 | 292 | JCMethodDecl method = null; |
duke@1 | 293 | JCVariableDecl field = null; |
duke@1 | 294 | |
duke@1 | 295 | List<Tree> l = List.nil(); |
duke@1 | 296 | TreePath p = path; |
duke@1 | 297 | while (p != null) { |
duke@1 | 298 | l = l.prepend(p.getLeaf()); |
duke@1 | 299 | p = p.getParentPath(); |
duke@1 | 300 | } |
duke@1 | 301 | |
duke@1 | 302 | for ( ; l.nonEmpty(); l = l.tail) { |
duke@1 | 303 | Tree tree = l.head; |
duke@1 | 304 | switch (tree.getKind()) { |
duke@1 | 305 | case COMPILATION_UNIT: |
duke@1 | 306 | // System.err.println("COMP: " + ((JCCompilationUnit)tree).sourcefile); |
duke@1 | 307 | env = enter.getTopLevelEnv((JCCompilationUnit)tree); |
duke@1 | 308 | break; |
jjg@727 | 309 | case ANNOTATION_TYPE: |
duke@1 | 310 | case CLASS: |
jjg@727 | 311 | case ENUM: |
jjg@682 | 312 | case INTERFACE: |
duke@1 | 313 | // System.err.println("CLASS: " + ((JCClassDecl)tree).sym.getSimpleName()); |
duke@1 | 314 | env = enter.getClassEnv(((JCClassDecl)tree).sym); |
duke@1 | 315 | break; |
duke@1 | 316 | case METHOD: |
duke@1 | 317 | // System.err.println("METHOD: " + ((JCMethodDecl)tree).sym.getSimpleName()); |
duke@1 | 318 | method = (JCMethodDecl)tree; |
duke@1 | 319 | break; |
duke@1 | 320 | case VARIABLE: |
duke@1 | 321 | // System.err.println("FIELD: " + ((JCVariableDecl)tree).sym.getSimpleName()); |
duke@1 | 322 | field = (JCVariableDecl)tree; |
duke@1 | 323 | break; |
duke@1 | 324 | case BLOCK: { |
duke@1 | 325 | // System.err.println("BLOCK: "); |
jjg@1090 | 326 | if (method != null) { |
jjg@1090 | 327 | try { |
jjg@1090 | 328 | Assert.check(method.body == tree); |
jjg@1090 | 329 | method.body = copier.copy((JCBlock)tree, (JCTree) path.getLeaf()); |
jjg@1090 | 330 | env = memberEnter.getMethodEnv(method, env); |
jjg@1090 | 331 | env = attribStatToTree(method.body, env, copier.leafCopy); |
jjg@1090 | 332 | } finally { |
jjg@1090 | 333 | method.body = (JCBlock) tree; |
jjg@1090 | 334 | } |
jjg@1090 | 335 | } else { |
jjg@1090 | 336 | JCBlock body = copier.copy((JCBlock)tree, (JCTree) path.getLeaf()); |
jjg@1090 | 337 | env = attribStatToTree(body, env, copier.leafCopy); |
jjg@1090 | 338 | } |
duke@1 | 339 | return env; |
duke@1 | 340 | } |
duke@1 | 341 | default: |
duke@1 | 342 | // System.err.println("DEFAULT: " + tree.getKind()); |
duke@1 | 343 | if (field != null && field.getInitializer() == tree) { |
duke@1 | 344 | env = memberEnter.getInitEnv(field, env); |
duke@1 | 345 | JCExpression expr = copier.copy((JCExpression)tree, (JCTree) path.getLeaf()); |
duke@1 | 346 | env = attribExprToTree(expr, env, copier.leafCopy); |
duke@1 | 347 | return env; |
duke@1 | 348 | } |
duke@1 | 349 | } |
duke@1 | 350 | } |
jjg@1090 | 351 | return (field != null) ? memberEnter.getInitEnv(field, env) : env; |
duke@1 | 352 | } |
duke@1 | 353 | |
duke@1 | 354 | private Env<AttrContext> attribStatToTree(JCTree stat, Env<AttrContext>env, JCTree tree) { |
duke@1 | 355 | JavaFileObject prev = log.useSource(env.toplevel.sourcefile); |
duke@1 | 356 | try { |
duke@1 | 357 | return attr.attribStatToTree(stat, env, tree); |
duke@1 | 358 | } finally { |
duke@1 | 359 | log.useSource(prev); |
duke@1 | 360 | } |
duke@1 | 361 | } |
duke@1 | 362 | |
duke@1 | 363 | private Env<AttrContext> attribExprToTree(JCExpression expr, Env<AttrContext>env, JCTree tree) { |
duke@1 | 364 | JavaFileObject prev = log.useSource(env.toplevel.sourcefile); |
duke@1 | 365 | try { |
duke@1 | 366 | return attr.attribExprToTree(expr, env, tree); |
duke@1 | 367 | } finally { |
duke@1 | 368 | log.useSource(prev); |
duke@1 | 369 | } |
duke@1 | 370 | } |
duke@1 | 371 | |
duke@1 | 372 | /** |
duke@1 | 373 | * Makes a copy of a tree, noting the value resulting from copying a particular leaf. |
duke@1 | 374 | **/ |
ksrini@1327 | 375 | protected static class Copier extends TreeCopier<JCTree> { |
duke@1 | 376 | JCTree leafCopy = null; |
duke@1 | 377 | |
ksrini@1327 | 378 | protected Copier(TreeMaker M) { |
duke@1 | 379 | super(M); |
duke@1 | 380 | } |
duke@1 | 381 | |
jjg@696 | 382 | @Override |
duke@1 | 383 | public <T extends JCTree> T copy(T t, JCTree leaf) { |
duke@1 | 384 | T t2 = super.copy(t, leaf); |
duke@1 | 385 | if (t == leaf) |
duke@1 | 386 | leafCopy = t2; |
duke@1 | 387 | return t2; |
duke@1 | 388 | } |
duke@1 | 389 | } |
jjg@110 | 390 | |
ksrini@1327 | 391 | protected Copier createCopier(TreeMaker maker) { |
ksrini@1327 | 392 | return new Copier(maker); |
ksrini@1327 | 393 | } |
ksrini@1327 | 394 | |
jjg@110 | 395 | /** |
jjg@110 | 396 | * Gets the original type from the ErrorType object. |
jjg@110 | 397 | * @param errorType The errorType for which we want to get the original type. |
jjg@110 | 398 | * @returns TypeMirror corresponding to the original type, replaced by the ErrorType. |
jjg@110 | 399 | * noType (type.tag == NONE) is returned if there is no original type. |
jjg@110 | 400 | */ |
jjg@110 | 401 | public TypeMirror getOriginalType(javax.lang.model.type.ErrorType errorType) { |
jjg@110 | 402 | if (errorType instanceof com.sun.tools.javac.code.Type.ErrorType) { |
jjg@110 | 403 | return ((com.sun.tools.javac.code.Type.ErrorType)errorType).getOriginalType(); |
jjg@110 | 404 | } |
jjg@110 | 405 | |
jjg@110 | 406 | return com.sun.tools.javac.code.Type.noType; |
jjg@110 | 407 | } |
jjg@308 | 408 | |
jjg@308 | 409 | /** |
jjg@308 | 410 | * Prints a message of the specified kind at the location of the |
jjg@308 | 411 | * tree within the provided compilation unit |
jjg@308 | 412 | * |
jjg@308 | 413 | * @param kind the kind of message |
jjg@308 | 414 | * @param msg the message, or an empty string if none |
jjg@308 | 415 | * @param t the tree to use as a position hint |
jjg@308 | 416 | * @param root the compilation unit that contains tree |
jjg@308 | 417 | */ |
jjg@308 | 418 | public void printMessage(Diagnostic.Kind kind, CharSequence msg, |
jjg@308 | 419 | com.sun.source.tree.Tree t, |
jjg@308 | 420 | com.sun.source.tree.CompilationUnitTree root) { |
jjg@308 | 421 | JavaFileObject oldSource = null; |
jjg@308 | 422 | JavaFileObject newSource = null; |
jjg@308 | 423 | JCDiagnostic.DiagnosticPosition pos = null; |
jjg@308 | 424 | |
jjg@308 | 425 | newSource = root.getSourceFile(); |
jjg@308 | 426 | if (newSource != null) { |
jjg@308 | 427 | oldSource = log.useSource(newSource); |
jjg@308 | 428 | pos = ((JCTree) t).pos(); |
jjg@308 | 429 | } |
jjg@308 | 430 | |
jjg@308 | 431 | try { |
jjg@308 | 432 | switch (kind) { |
jjg@308 | 433 | case ERROR: |
jjg@308 | 434 | boolean prev = log.multipleErrors; |
jjg@308 | 435 | try { |
jjg@308 | 436 | log.error(pos, "proc.messager", msg.toString()); |
jjg@308 | 437 | } finally { |
jjg@308 | 438 | log.multipleErrors = prev; |
jjg@308 | 439 | } |
jjg@308 | 440 | break; |
jjg@308 | 441 | |
jjg@308 | 442 | case WARNING: |
jjg@308 | 443 | log.warning(pos, "proc.messager", msg.toString()); |
jjg@308 | 444 | break; |
jjg@308 | 445 | |
jjg@308 | 446 | case MANDATORY_WARNING: |
jjg@308 | 447 | log.mandatoryWarning(pos, "proc.messager", msg.toString()); |
jjg@308 | 448 | break; |
jjg@308 | 449 | |
jjg@308 | 450 | default: |
jjg@308 | 451 | log.note(pos, "proc.messager", msg.toString()); |
jjg@308 | 452 | } |
jjg@308 | 453 | } finally { |
jjg@308 | 454 | if (oldSource != null) |
jjg@308 | 455 | log.useSource(oldSource); |
jjg@308 | 456 | } |
jjg@308 | 457 | } |
jjg@988 | 458 | |
jjg@988 | 459 | @Override |
jjg@988 | 460 | public TypeMirror getLub(CatchTree tree) { |
jjg@988 | 461 | JCCatch ct = (JCCatch) tree; |
jjg@988 | 462 | JCVariableDecl v = ct.param; |
jjg@988 | 463 | if (v.type != null && v.type.getKind() == TypeKind.UNION) { |
jjg@988 | 464 | UnionClassType ut = (UnionClassType) v.type; |
jjg@988 | 465 | return ut.getLub(); |
jjg@988 | 466 | } else { |
jjg@988 | 467 | return v.type; |
jjg@988 | 468 | } |
jjg@988 | 469 | } |
duke@1 | 470 | } |