Thu, 28 Mar 2013 10:49:39 -0700
8006346: doclint should make allowance for headers generated by standard doclet
Reviewed-by: mcimadamore
jjg@1455 | 1 | /* |
jjg@1495 | 2 | * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
jjg@1455 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jjg@1455 | 4 | * |
jjg@1455 | 5 | * This code is free software; you can redistribute it and/or modify it |
jjg@1455 | 6 | * under the terms of the GNU General Public License version 2 only, as |
jjg@1455 | 7 | * published by the Free Software Foundation. Oracle designates this |
jjg@1455 | 8 | * particular file as subject to the "Classpath" exception as provided |
jjg@1455 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
jjg@1455 | 10 | * |
jjg@1455 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jjg@1455 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jjg@1455 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jjg@1455 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
jjg@1455 | 15 | * accompanied this code). |
jjg@1455 | 16 | * |
jjg@1455 | 17 | * You should have received a copy of the GNU General Public License version |
jjg@1455 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
jjg@1455 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jjg@1455 | 20 | * |
jjg@1455 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
jjg@1455 | 22 | * or visit www.oracle.com if you need additional information or have any |
jjg@1455 | 23 | * questions. |
jjg@1455 | 24 | */ |
jjg@1455 | 25 | |
jjg@1455 | 26 | package com.sun.tools.doclint; |
jjg@1455 | 27 | |
jjg@1650 | 28 | import java.io.IOException; |
jjg@1650 | 29 | import java.io.StringWriter; |
jjg@1455 | 30 | import java.net.URI; |
jjg@1650 | 31 | import java.net.URISyntaxException; |
jjg@1455 | 32 | import java.util.Deque; |
jjg@1455 | 33 | import java.util.EnumSet; |
jjg@1455 | 34 | import java.util.HashSet; |
jjg@1455 | 35 | import java.util.LinkedList; |
jjg@1455 | 36 | import java.util.List; |
jjg@1455 | 37 | import java.util.Set; |
jjg@1650 | 38 | import java.util.regex.Matcher; |
jjg@1650 | 39 | import java.util.regex.Pattern; |
jjg@1455 | 40 | |
jjg@1455 | 41 | import javax.lang.model.element.Element; |
jjg@1455 | 42 | import javax.lang.model.element.ElementKind; |
jjg@1455 | 43 | import javax.lang.model.element.ExecutableElement; |
jjg@1455 | 44 | import javax.lang.model.element.Name; |
jjg@1455 | 45 | import javax.lang.model.element.TypeElement; |
jjg@1455 | 46 | import javax.lang.model.type.TypeKind; |
jjg@1455 | 47 | import javax.lang.model.type.TypeMirror; |
jjg@1455 | 48 | import javax.tools.Diagnostic.Kind; |
jjg@1455 | 49 | |
jjg@1455 | 50 | import com.sun.source.doctree.AttributeTree; |
jjg@1455 | 51 | import com.sun.source.doctree.AuthorTree; |
jjg@1455 | 52 | import com.sun.source.doctree.DocCommentTree; |
jjg@1650 | 53 | import com.sun.source.doctree.DocRootTree; |
jjg@1455 | 54 | import com.sun.source.doctree.DocTree; |
jjg@1455 | 55 | import com.sun.source.doctree.EndElementTree; |
jjg@1455 | 56 | import com.sun.source.doctree.EntityTree; |
jjg@1455 | 57 | import com.sun.source.doctree.ErroneousTree; |
jjg@1455 | 58 | import com.sun.source.doctree.IdentifierTree; |
jjg@1455 | 59 | import com.sun.source.doctree.InheritDocTree; |
jjg@1650 | 60 | import com.sun.source.doctree.LinkTree; |
jjg@1650 | 61 | import com.sun.source.doctree.LiteralTree; |
jjg@1455 | 62 | import com.sun.source.doctree.ParamTree; |
jjg@1455 | 63 | import com.sun.source.doctree.ReferenceTree; |
jjg@1455 | 64 | import com.sun.source.doctree.ReturnTree; |
jjg@1455 | 65 | import com.sun.source.doctree.SerialDataTree; |
jjg@1455 | 66 | import com.sun.source.doctree.SerialFieldTree; |
jjg@1455 | 67 | import com.sun.source.doctree.SinceTree; |
jjg@1455 | 68 | import com.sun.source.doctree.StartElementTree; |
jjg@1455 | 69 | import com.sun.source.doctree.TextTree; |
jjg@1455 | 70 | import com.sun.source.doctree.ThrowsTree; |
jjg@1650 | 71 | import com.sun.source.doctree.ValueTree; |
jjg@1455 | 72 | import com.sun.source.doctree.VersionTree; |
jjg@1455 | 73 | import com.sun.source.util.DocTreeScanner; |
jjg@1455 | 74 | import com.sun.source.util.TreePath; |
jjg@1455 | 75 | import com.sun.tools.doclint.HtmlTag.AttrKind; |
jjg@1650 | 76 | import com.sun.tools.javac.tree.DocPretty; |
jjg@1455 | 77 | import static com.sun.tools.doclint.Messages.Group.*; |
jjg@1455 | 78 | |
jjg@1455 | 79 | |
jjg@1455 | 80 | /** |
jjg@1455 | 81 | * Validate a doc comment. |
jjg@1455 | 82 | * |
jjg@1455 | 83 | * <p><b>This is NOT part of any supported API. |
jjg@1455 | 84 | * If you write code that depends on this, you do so at your own |
jjg@1455 | 85 | * risk. This code and its internal interfaces are subject to change |
jjg@1455 | 86 | * or deletion without notice.</b></p> |
jjg@1455 | 87 | */ |
jjg@1455 | 88 | public class Checker extends DocTreeScanner<Void, Void> { |
jjg@1455 | 89 | final Env env; |
jjg@1455 | 90 | |
jjg@1455 | 91 | Set<Element> foundParams = new HashSet<Element>(); |
jjg@1455 | 92 | Set<TypeMirror> foundThrows = new HashSet<TypeMirror>(); |
jjg@1455 | 93 | Set<String> foundAnchors = new HashSet<String>(); |
jjg@1455 | 94 | boolean foundInheritDoc = false; |
jjg@1455 | 95 | boolean foundReturn = false; |
jjg@1455 | 96 | |
jjg@1506 | 97 | public enum Flag { |
jjg@1455 | 98 | TABLE_HAS_CAPTION, |
jjg@1455 | 99 | HAS_ELEMENT, |
jjg@1650 | 100 | HAS_INLINE_TAG, |
jjg@1507 | 101 | HAS_TEXT, |
jjg@1507 | 102 | REPORTED_BAD_INLINE |
jjg@1455 | 103 | } |
jjg@1455 | 104 | |
jjg@1455 | 105 | static class TagStackItem { |
jjg@1455 | 106 | final DocTree tree; // typically, but not always, StartElementTree |
jjg@1455 | 107 | final HtmlTag tag; |
jjg@1455 | 108 | final Set<HtmlTag.Attr> attrs; |
jjg@1455 | 109 | final Set<Flag> flags; |
jjg@1455 | 110 | TagStackItem(DocTree tree, HtmlTag tag) { |
jjg@1455 | 111 | this.tree = tree; |
jjg@1455 | 112 | this.tag = tag; |
jjg@1455 | 113 | attrs = EnumSet.noneOf(HtmlTag.Attr.class); |
jjg@1455 | 114 | flags = EnumSet.noneOf(Flag.class); |
jjg@1455 | 115 | } |
jjg@1455 | 116 | @Override |
jjg@1455 | 117 | public String toString() { |
jjg@1455 | 118 | return String.valueOf(tag); |
jjg@1455 | 119 | } |
jjg@1455 | 120 | } |
jjg@1455 | 121 | |
jjg@1455 | 122 | private Deque<TagStackItem> tagStack; // TODO: maybe want to record starting tree as well |
jjg@1455 | 123 | private HtmlTag currHeaderTag; |
jjg@1455 | 124 | |
jjg@1668 | 125 | private final int implicitHeaderLevel; |
jjg@1668 | 126 | |
jjg@1455 | 127 | // <editor-fold defaultstate="collapsed" desc="Top level"> |
jjg@1455 | 128 | |
jjg@1455 | 129 | Checker(Env env) { |
jjg@1455 | 130 | env.getClass(); |
jjg@1455 | 131 | this.env = env; |
jjg@1455 | 132 | tagStack = new LinkedList<TagStackItem>(); |
jjg@1668 | 133 | implicitHeaderLevel = env.implicitHeaderLevel; |
jjg@1455 | 134 | } |
jjg@1455 | 135 | |
jjg@1455 | 136 | public Void scan(DocCommentTree tree, TreePath p) { |
jjg@1455 | 137 | env.setCurrent(p, tree); |
jjg@1455 | 138 | |
jjg@1455 | 139 | boolean isOverridingMethod = !env.currOverriddenMethods.isEmpty(); |
jjg@1455 | 140 | |
jjg@1455 | 141 | if (tree == null) { |
jjg@1455 | 142 | if (!isSynthetic() && !isOverridingMethod) |
jjg@1455 | 143 | reportMissing("dc.missing.comment"); |
jjg@1455 | 144 | return null; |
jjg@1455 | 145 | } |
jjg@1455 | 146 | |
jjg@1455 | 147 | tagStack.clear(); |
jjg@1455 | 148 | currHeaderTag = null; |
jjg@1455 | 149 | |
jjg@1455 | 150 | foundParams.clear(); |
jjg@1455 | 151 | foundThrows.clear(); |
jjg@1455 | 152 | foundInheritDoc = false; |
jjg@1455 | 153 | foundReturn = false; |
jjg@1455 | 154 | |
jjg@1455 | 155 | scan(tree, (Void) null); |
jjg@1455 | 156 | |
jjg@1455 | 157 | if (!isOverridingMethod) { |
jjg@1455 | 158 | switch (env.currElement.getKind()) { |
jjg@1455 | 159 | case METHOD: |
jjg@1455 | 160 | case CONSTRUCTOR: { |
jjg@1455 | 161 | ExecutableElement ee = (ExecutableElement) env.currElement; |
jjg@1455 | 162 | checkParamsDocumented(ee.getTypeParameters()); |
jjg@1455 | 163 | checkParamsDocumented(ee.getParameters()); |
jjg@1455 | 164 | switch (ee.getReturnType().getKind()) { |
jjg@1455 | 165 | case VOID: |
jjg@1455 | 166 | case NONE: |
jjg@1455 | 167 | break; |
jjg@1455 | 168 | default: |
jjg@1455 | 169 | if (!foundReturn |
jjg@1455 | 170 | && !foundInheritDoc |
jjg@1455 | 171 | && !env.types.isSameType(ee.getReturnType(), env.java_lang_Void)) { |
jjg@1455 | 172 | reportMissing("dc.missing.return"); |
jjg@1455 | 173 | } |
jjg@1455 | 174 | } |
jjg@1455 | 175 | checkThrowsDocumented(ee.getThrownTypes()); |
jjg@1455 | 176 | } |
jjg@1455 | 177 | } |
jjg@1455 | 178 | } |
jjg@1455 | 179 | |
jjg@1455 | 180 | return null; |
jjg@1455 | 181 | } |
jjg@1455 | 182 | |
jjg@1455 | 183 | private void reportMissing(String code, Object... args) { |
jjg@1455 | 184 | env.messages.report(MISSING, Kind.WARNING, env.currPath.getLeaf(), code, args); |
jjg@1455 | 185 | } |
jjg@1455 | 186 | |
jjg@1455 | 187 | @Override |
jjg@1455 | 188 | public Void visitDocComment(DocCommentTree tree, Void ignore) { |
jjg@1455 | 189 | super.visitDocComment(tree, ignore); |
jjg@1455 | 190 | for (TagStackItem tsi: tagStack) { |
jjg@1455 | 191 | if (tsi.tree.getKind() == DocTree.Kind.START_ELEMENT |
jjg@1455 | 192 | && tsi.tag.endKind == HtmlTag.EndKind.REQUIRED) { |
jjg@1455 | 193 | StartElementTree t = (StartElementTree) tsi.tree; |
jjg@1455 | 194 | env.messages.error(HTML, t, "dc.tag.not.closed", t.getName()); |
jjg@1455 | 195 | } |
jjg@1455 | 196 | } |
jjg@1455 | 197 | return null; |
jjg@1455 | 198 | } |
jjg@1455 | 199 | // </editor-fold> |
jjg@1455 | 200 | |
jjg@1455 | 201 | // <editor-fold defaultstate="collapsed" desc="Text and entities."> |
jjg@1455 | 202 | |
jjg@1455 | 203 | @Override |
jjg@1455 | 204 | public Void visitText(TextTree tree, Void ignore) { |
jjg@1507 | 205 | if (hasNonWhitespace(tree)) { |
jjg@1507 | 206 | checkAllowsText(tree); |
jjg@1455 | 207 | markEnclosingTag(Flag.HAS_TEXT); |
jjg@1455 | 208 | } |
jjg@1455 | 209 | return null; |
jjg@1455 | 210 | } |
jjg@1455 | 211 | |
jjg@1455 | 212 | @Override |
jjg@1455 | 213 | public Void visitEntity(EntityTree tree, Void ignore) { |
jjg@1507 | 214 | checkAllowsText(tree); |
jjg@1455 | 215 | markEnclosingTag(Flag.HAS_TEXT); |
jjg@1455 | 216 | String name = tree.getName().toString(); |
jjg@1455 | 217 | if (name.startsWith("#")) { |
jjg@1455 | 218 | int v = name.toLowerCase().startsWith("#x") |
jjg@1455 | 219 | ? Integer.parseInt(name.substring(2), 16) |
jjg@1455 | 220 | : Integer.parseInt(name.substring(1), 10); |
jjg@1455 | 221 | if (!Entity.isValid(v)) { |
jjg@1455 | 222 | env.messages.error(HTML, tree, "dc.entity.invalid", name); |
jjg@1455 | 223 | } |
jjg@1455 | 224 | } else if (!Entity.isValid(name)) { |
jjg@1455 | 225 | env.messages.error(HTML, tree, "dc.entity.invalid", name); |
jjg@1455 | 226 | } |
jjg@1455 | 227 | return null; |
jjg@1455 | 228 | } |
jjg@1455 | 229 | |
jjg@1507 | 230 | void checkAllowsText(DocTree tree) { |
jjg@1507 | 231 | TagStackItem top = tagStack.peek(); |
jjg@1507 | 232 | if (top != null |
jjg@1507 | 233 | && top.tree.getKind() == DocTree.Kind.START_ELEMENT |
jjg@1507 | 234 | && !top.tag.acceptsText()) { |
jjg@1507 | 235 | if (top.flags.add(Flag.REPORTED_BAD_INLINE)) { |
jjg@1507 | 236 | env.messages.error(HTML, tree, "dc.text.not.allowed", |
jjg@1507 | 237 | ((StartElementTree) top.tree).getName()); |
jjg@1507 | 238 | } |
jjg@1507 | 239 | } |
jjg@1507 | 240 | } |
jjg@1507 | 241 | |
jjg@1455 | 242 | // </editor-fold> |
jjg@1455 | 243 | |
jjg@1455 | 244 | // <editor-fold defaultstate="collapsed" desc="HTML elements"> |
jjg@1455 | 245 | |
jjg@1455 | 246 | @Override |
jjg@1455 | 247 | public Void visitStartElement(StartElementTree tree, Void ignore) { |
jjg@1455 | 248 | markEnclosingTag(Flag.HAS_ELEMENT); |
jjg@1455 | 249 | final Name treeName = tree.getName(); |
jjg@1455 | 250 | final HtmlTag t = HtmlTag.get(treeName); |
jjg@1455 | 251 | if (t == null) { |
jjg@1455 | 252 | env.messages.error(HTML, tree, "dc.tag.unknown", treeName); |
jjg@1455 | 253 | } else { |
jjg@1552 | 254 | boolean done = false; |
jjg@1507 | 255 | for (TagStackItem tsi: tagStack) { |
jjg@1507 | 256 | if (tsi.tag.accepts(t)) { |
jjg@1507 | 257 | while (tagStack.peek() != tsi) tagStack.pop(); |
jjg@1552 | 258 | done = true; |
jjg@1507 | 259 | break; |
jjg@1552 | 260 | } else if (tsi.tag.endKind != HtmlTag.EndKind.OPTIONAL) { |
jjg@1552 | 261 | done = true; |
jjg@1507 | 262 | break; |
jjg@1552 | 263 | } |
jjg@1552 | 264 | } |
jjg@1552 | 265 | if (!done && HtmlTag.BODY.accepts(t)) { |
jjg@1552 | 266 | tagStack.clear(); |
jjg@1507 | 267 | } |
jjg@1507 | 268 | |
jjg@1507 | 269 | checkStructure(tree, t); |
jjg@1507 | 270 | |
jjg@1455 | 271 | // tag specific checks |
jjg@1455 | 272 | switch (t) { |
jjg@1455 | 273 | // check for out of sequence headers, such as <h1>...</h1> <h3>...</h3> |
jjg@1455 | 274 | case H1: case H2: case H3: case H4: case H5: case H6: |
jjg@1455 | 275 | checkHeader(tree, t); |
jjg@1455 | 276 | break; |
jjg@1455 | 277 | } |
jjg@1455 | 278 | |
jjg@1455 | 279 | if (t.flags.contains(HtmlTag.Flag.NO_NEST)) { |
jjg@1455 | 280 | for (TagStackItem i: tagStack) { |
jjg@1455 | 281 | if (t == i.tag) { |
jjg@1455 | 282 | env.messages.warning(HTML, tree, "dc.tag.nested.not.allowed", treeName); |
jjg@1455 | 283 | break; |
jjg@1455 | 284 | } |
jjg@1455 | 285 | } |
jjg@1455 | 286 | } |
jjg@1455 | 287 | } |
jjg@1455 | 288 | |
jjg@1455 | 289 | // check for self closing tags, such as <a id="name"/> |
jjg@1455 | 290 | if (tree.isSelfClosing()) { |
jjg@1455 | 291 | env.messages.error(HTML, tree, "dc.tag.self.closing", treeName); |
jjg@1455 | 292 | } |
jjg@1455 | 293 | |
jjg@1455 | 294 | try { |
jjg@1455 | 295 | TagStackItem parent = tagStack.peek(); |
jjg@1455 | 296 | TagStackItem top = new TagStackItem(tree, t); |
jjg@1455 | 297 | tagStack.push(top); |
jjg@1455 | 298 | |
jjg@1455 | 299 | super.visitStartElement(tree, ignore); |
jjg@1455 | 300 | |
jjg@1455 | 301 | // handle attributes that may or may not have been found in start element |
jjg@1455 | 302 | if (t != null) { |
jjg@1455 | 303 | switch (t) { |
jjg@1455 | 304 | case CAPTION: |
jjg@1455 | 305 | if (parent != null && parent.tag == HtmlTag.TABLE) |
jjg@1455 | 306 | parent.flags.add(Flag.TABLE_HAS_CAPTION); |
jjg@1455 | 307 | break; |
jjg@1455 | 308 | |
jjg@1455 | 309 | case IMG: |
jjg@1455 | 310 | if (!top.attrs.contains(HtmlTag.Attr.ALT)) |
jjg@1455 | 311 | env.messages.error(ACCESSIBILITY, tree, "dc.no.alt.attr.for.image"); |
jjg@1455 | 312 | break; |
jjg@1455 | 313 | } |
jjg@1455 | 314 | } |
jjg@1455 | 315 | |
jjg@1455 | 316 | return null; |
jjg@1455 | 317 | } finally { |
jjg@1455 | 318 | |
jjg@1455 | 319 | if (t == null || t.endKind == HtmlTag.EndKind.NONE) |
jjg@1455 | 320 | tagStack.pop(); |
jjg@1455 | 321 | } |
jjg@1455 | 322 | } |
jjg@1455 | 323 | |
jjg@1507 | 324 | private void checkStructure(StartElementTree tree, HtmlTag t) { |
jjg@1507 | 325 | Name treeName = tree.getName(); |
jjg@1507 | 326 | TagStackItem top = tagStack.peek(); |
jjg@1507 | 327 | switch (t.blockType) { |
jjg@1507 | 328 | case BLOCK: |
jjg@1507 | 329 | if (top == null || top.tag.accepts(t)) |
jjg@1507 | 330 | return; |
jjg@1507 | 331 | |
jjg@1507 | 332 | switch (top.tree.getKind()) { |
jjg@1507 | 333 | case START_ELEMENT: { |
jjg@1507 | 334 | if (top.tag.blockType == HtmlTag.BlockType.INLINE) { |
jjg@1507 | 335 | Name name = ((StartElementTree) top.tree).getName(); |
jjg@1507 | 336 | env.messages.error(HTML, tree, "dc.tag.not.allowed.inline.element", |
jjg@1507 | 337 | treeName, name); |
jjg@1507 | 338 | return; |
jjg@1507 | 339 | } |
jjg@1507 | 340 | } |
jjg@1507 | 341 | break; |
jjg@1507 | 342 | |
jjg@1507 | 343 | case LINK: |
jjg@1507 | 344 | case LINK_PLAIN: { |
jjg@1507 | 345 | String name = top.tree.getKind().tagName; |
jjg@1507 | 346 | env.messages.error(HTML, tree, "dc.tag.not.allowed.inline.tag", |
jjg@1507 | 347 | treeName, name); |
jjg@1507 | 348 | return; |
jjg@1507 | 349 | } |
jjg@1507 | 350 | } |
jjg@1507 | 351 | break; |
jjg@1507 | 352 | |
jjg@1507 | 353 | case INLINE: |
jjg@1507 | 354 | if (top == null || top.tag.accepts(t)) |
jjg@1507 | 355 | return; |
jjg@1507 | 356 | break; |
jjg@1507 | 357 | |
jjg@1507 | 358 | case LIST_ITEM: |
jjg@1507 | 359 | case TABLE_ITEM: |
jjg@1507 | 360 | if (top != null) { |
jjg@1507 | 361 | // reset this flag so subsequent bad inline content gets reported |
jjg@1507 | 362 | top.flags.remove(Flag.REPORTED_BAD_INLINE); |
jjg@1507 | 363 | if (top.tag.accepts(t)) |
jjg@1507 | 364 | return; |
jjg@1507 | 365 | } |
jjg@1507 | 366 | break; |
jjg@1507 | 367 | |
jjg@1507 | 368 | case OTHER: |
jjg@1507 | 369 | env.messages.error(HTML, tree, "dc.tag.not.allowed", treeName); |
jjg@1507 | 370 | return; |
jjg@1507 | 371 | } |
jjg@1507 | 372 | |
jjg@1507 | 373 | env.messages.error(HTML, tree, "dc.tag.not.allowed.here", treeName); |
jjg@1507 | 374 | } |
jjg@1507 | 375 | |
jjg@1455 | 376 | private void checkHeader(StartElementTree tree, HtmlTag tag) { |
jjg@1455 | 377 | // verify the new tag |
jjg@1455 | 378 | if (getHeaderLevel(tag) > getHeaderLevel(currHeaderTag) + 1) { |
jjg@1455 | 379 | if (currHeaderTag == null) { |
jjg@1455 | 380 | env.messages.error(ACCESSIBILITY, tree, "dc.tag.header.sequence.1", tag); |
jjg@1455 | 381 | } else { |
jjg@1455 | 382 | env.messages.error(ACCESSIBILITY, tree, "dc.tag.header.sequence.2", |
jjg@1455 | 383 | tag, currHeaderTag); |
jjg@1455 | 384 | } |
jjg@1455 | 385 | } |
jjg@1455 | 386 | |
jjg@1455 | 387 | currHeaderTag = tag; |
jjg@1455 | 388 | } |
jjg@1455 | 389 | |
jjg@1455 | 390 | private int getHeaderLevel(HtmlTag tag) { |
jjg@1455 | 391 | if (tag == null) |
jjg@1668 | 392 | return implicitHeaderLevel; |
jjg@1455 | 393 | switch (tag) { |
jjg@1455 | 394 | case H1: return 1; |
jjg@1455 | 395 | case H2: return 2; |
jjg@1455 | 396 | case H3: return 3; |
jjg@1455 | 397 | case H4: return 4; |
jjg@1455 | 398 | case H5: return 5; |
jjg@1455 | 399 | case H6: return 6; |
jjg@1455 | 400 | default: throw new IllegalArgumentException(); |
jjg@1455 | 401 | } |
jjg@1455 | 402 | } |
jjg@1455 | 403 | |
jjg@1455 | 404 | @Override |
jjg@1455 | 405 | public Void visitEndElement(EndElementTree tree, Void ignore) { |
jjg@1455 | 406 | final Name treeName = tree.getName(); |
jjg@1455 | 407 | final HtmlTag t = HtmlTag.get(treeName); |
jjg@1455 | 408 | if (t == null) { |
jjg@1455 | 409 | env.messages.error(HTML, tree, "dc.tag.unknown", treeName); |
jjg@1455 | 410 | } else if (t.endKind == HtmlTag.EndKind.NONE) { |
jjg@1455 | 411 | env.messages.error(HTML, tree, "dc.tag.end.not.permitted", treeName); |
jjg@1455 | 412 | } else { |
jjg@1499 | 413 | boolean done = false; |
jjg@1455 | 414 | while (!tagStack.isEmpty()) { |
jjg@1455 | 415 | TagStackItem top = tagStack.peek(); |
jjg@1455 | 416 | if (t == top.tag) { |
jjg@1455 | 417 | switch (t) { |
jjg@1455 | 418 | case TABLE: |
jjg@1455 | 419 | if (!top.attrs.contains(HtmlTag.Attr.SUMMARY) |
jjg@1455 | 420 | && !top.flags.contains(Flag.TABLE_HAS_CAPTION)) { |
jjg@1455 | 421 | env.messages.error(ACCESSIBILITY, tree, |
jjg@1455 | 422 | "dc.no.summary.or.caption.for.table"); |
jjg@1455 | 423 | } |
jjg@1455 | 424 | } |
jjg@1455 | 425 | if (t.flags.contains(HtmlTag.Flag.EXPECT_CONTENT) |
jjg@1455 | 426 | && !top.flags.contains(Flag.HAS_TEXT) |
jjg@1650 | 427 | && !top.flags.contains(Flag.HAS_ELEMENT) |
jjg@1650 | 428 | && !top.flags.contains(Flag.HAS_INLINE_TAG)) { |
jjg@1455 | 429 | env.messages.warning(HTML, tree, "dc.tag.empty", treeName); |
jjg@1455 | 430 | } |
jjg@1455 | 431 | tagStack.pop(); |
jjg@1499 | 432 | done = true; |
jjg@1455 | 433 | break; |
jjg@1455 | 434 | } else if (top.tag == null || top.tag.endKind != HtmlTag.EndKind.REQUIRED) { |
jjg@1455 | 435 | tagStack.pop(); |
jjg@1455 | 436 | } else { |
jjg@1455 | 437 | boolean found = false; |
jjg@1455 | 438 | for (TagStackItem si: tagStack) { |
jjg@1455 | 439 | if (si.tag == t) { |
jjg@1455 | 440 | found = true; |
jjg@1455 | 441 | break; |
jjg@1455 | 442 | } |
jjg@1455 | 443 | } |
jjg@1455 | 444 | if (found && top.tree.getKind() == DocTree.Kind.START_ELEMENT) { |
jjg@1455 | 445 | env.messages.error(HTML, top.tree, "dc.tag.start.unmatched", |
jjg@1455 | 446 | ((StartElementTree) top.tree).getName()); |
jjg@1455 | 447 | tagStack.pop(); |
jjg@1455 | 448 | } else { |
jjg@1455 | 449 | env.messages.error(HTML, tree, "dc.tag.end.unexpected", treeName); |
jjg@1499 | 450 | done = true; |
jjg@1455 | 451 | break; |
jjg@1455 | 452 | } |
jjg@1455 | 453 | } |
jjg@1455 | 454 | } |
jjg@1499 | 455 | |
jjg@1499 | 456 | if (!done && tagStack.isEmpty()) { |
jjg@1499 | 457 | env.messages.error(HTML, tree, "dc.tag.end.unexpected", treeName); |
jjg@1499 | 458 | } |
jjg@1455 | 459 | } |
jjg@1455 | 460 | |
jjg@1455 | 461 | return super.visitEndElement(tree, ignore); |
jjg@1455 | 462 | } |
jjg@1455 | 463 | // </editor-fold> |
jjg@1455 | 464 | |
jjg@1455 | 465 | // <editor-fold defaultstate="collapsed" desc="HTML attributes"> |
jjg@1455 | 466 | |
jjg@1455 | 467 | @Override @SuppressWarnings("fallthrough") |
jjg@1455 | 468 | public Void visitAttribute(AttributeTree tree, Void ignore) { |
jjg@1455 | 469 | HtmlTag currTag = tagStack.peek().tag; |
jjg@1455 | 470 | if (currTag != null) { |
jjg@1455 | 471 | Name name = tree.getName(); |
jjg@1455 | 472 | HtmlTag.Attr attr = currTag.getAttr(name); |
jjg@1455 | 473 | if (attr != null) { |
jjg@1455 | 474 | boolean first = tagStack.peek().attrs.add(attr); |
jjg@1455 | 475 | if (!first) |
jjg@1455 | 476 | env.messages.error(HTML, tree, "dc.attr.repeated", name); |
jjg@1455 | 477 | } |
jjg@1455 | 478 | AttrKind k = currTag.getAttrKind(name); |
jjg@1455 | 479 | switch (k) { |
jjg@1455 | 480 | case OK: |
jjg@1455 | 481 | break; |
jjg@1455 | 482 | |
jjg@1455 | 483 | case INVALID: |
jjg@1455 | 484 | env.messages.error(HTML, tree, "dc.attr.unknown", name); |
jjg@1455 | 485 | break; |
jjg@1455 | 486 | |
jjg@1455 | 487 | case OBSOLETE: |
jjg@1455 | 488 | env.messages.warning(ACCESSIBILITY, tree, "dc.attr.obsolete", name); |
jjg@1455 | 489 | break; |
jjg@1455 | 490 | |
jjg@1455 | 491 | case USE_CSS: |
jjg@1455 | 492 | env.messages.warning(ACCESSIBILITY, tree, "dc.attr.obsolete.use.css", name); |
jjg@1455 | 493 | break; |
jjg@1455 | 494 | } |
jjg@1455 | 495 | |
jjg@1455 | 496 | if (attr != null) { |
jjg@1455 | 497 | switch (attr) { |
jjg@1455 | 498 | case NAME: |
jjg@1455 | 499 | if (currTag != HtmlTag.A) { |
jjg@1455 | 500 | break; |
jjg@1455 | 501 | } |
jjg@1495 | 502 | // fallthrough |
jjg@1455 | 503 | case ID: |
jjg@1455 | 504 | String value = getAttrValue(tree); |
jjg@1495 | 505 | if (value == null) { |
jjg@1495 | 506 | env.messages.error(HTML, tree, "dc.anchor.value.missing"); |
jjg@1495 | 507 | } else { |
jjg@1495 | 508 | if (!validName.matcher(value).matches()) { |
jjg@1495 | 509 | env.messages.error(HTML, tree, "dc.invalid.anchor", value); |
jjg@1495 | 510 | } |
jjg@1495 | 511 | if (!foundAnchors.add(value)) { |
jjg@1495 | 512 | env.messages.error(HTML, tree, "dc.anchor.already.defined", value); |
jjg@1495 | 513 | } |
jjg@1455 | 514 | } |
jjg@1455 | 515 | break; |
jjg@1455 | 516 | |
jjg@1455 | 517 | case HREF: |
jjg@1455 | 518 | if (currTag == HtmlTag.A) { |
jjg@1455 | 519 | String v = getAttrValue(tree); |
jjg@1455 | 520 | if (v == null || v.isEmpty()) { |
jjg@1455 | 521 | env.messages.error(HTML, tree, "dc.attr.lacks.value"); |
jjg@1455 | 522 | } else { |
jjg@1455 | 523 | Matcher m = docRoot.matcher(v); |
jjg@1455 | 524 | if (m.matches()) { |
jjg@1455 | 525 | String rest = m.group(2); |
jjg@1455 | 526 | if (!rest.isEmpty()) |
jjg@1455 | 527 | checkURI(tree, rest); |
jjg@1455 | 528 | } else { |
jjg@1455 | 529 | checkURI(tree, v); |
jjg@1455 | 530 | } |
jjg@1455 | 531 | } |
jjg@1455 | 532 | } |
jjg@1455 | 533 | break; |
jjg@1455 | 534 | } |
jjg@1455 | 535 | } |
jjg@1455 | 536 | } |
jjg@1455 | 537 | |
jjg@1455 | 538 | // TODO: basic check on value |
jjg@1455 | 539 | |
jjg@1455 | 540 | return super.visitAttribute(tree, ignore); |
jjg@1455 | 541 | } |
jjg@1455 | 542 | |
jjg@1455 | 543 | // http://www.w3.org/TR/html401/types.html#type-name |
jjg@1455 | 544 | private static final Pattern validName = Pattern.compile("[A-Za-z][A-Za-z0-9-_:.]*"); |
jjg@1455 | 545 | |
jjg@1455 | 546 | // pattern to remove leading {@docRoot}/? |
jjg@1455 | 547 | private static final Pattern docRoot = Pattern.compile("(?i)(\\{@docRoot *\\}/?)?(.*)"); |
jjg@1455 | 548 | |
jjg@1455 | 549 | private String getAttrValue(AttributeTree tree) { |
jjg@1455 | 550 | if (tree.getValue() == null) |
jjg@1455 | 551 | return null; |
jjg@1455 | 552 | |
jjg@1455 | 553 | StringWriter sw = new StringWriter(); |
jjg@1455 | 554 | try { |
jjg@1455 | 555 | new DocPretty(sw).print(tree.getValue()); |
jjg@1455 | 556 | } catch (IOException e) { |
jjg@1455 | 557 | // cannot happen |
jjg@1455 | 558 | } |
jjg@1455 | 559 | // ignore potential use of entities for now |
jjg@1455 | 560 | return sw.toString(); |
jjg@1455 | 561 | } |
jjg@1455 | 562 | |
jjg@1455 | 563 | private void checkURI(AttributeTree tree, String uri) { |
jjg@1455 | 564 | try { |
jjg@1455 | 565 | URI u = new URI(uri); |
jjg@1455 | 566 | } catch (URISyntaxException e) { |
jjg@1455 | 567 | env.messages.error(HTML, tree, "dc.invalid.uri", uri); |
jjg@1455 | 568 | } |
jjg@1455 | 569 | } |
jjg@1455 | 570 | // </editor-fold> |
jjg@1455 | 571 | |
jjg@1455 | 572 | // <editor-fold defaultstate="collapsed" desc="javadoc tags"> |
jjg@1455 | 573 | |
jjg@1455 | 574 | @Override |
jjg@1455 | 575 | public Void visitAuthor(AuthorTree tree, Void ignore) { |
jjg@1455 | 576 | warnIfEmpty(tree, tree.getName()); |
jjg@1455 | 577 | return super.visitAuthor(tree, ignore); |
jjg@1455 | 578 | } |
jjg@1455 | 579 | |
jjg@1455 | 580 | @Override |
jjg@1650 | 581 | public Void visitDocRoot(DocRootTree tree, Void ignore) { |
jjg@1650 | 582 | markEnclosingTag(Flag.HAS_INLINE_TAG); |
jjg@1650 | 583 | return super.visitDocRoot(tree, ignore); |
jjg@1650 | 584 | } |
jjg@1650 | 585 | |
jjg@1650 | 586 | @Override |
jjg@1455 | 587 | public Void visitInheritDoc(InheritDocTree tree, Void ignore) { |
jjg@1650 | 588 | markEnclosingTag(Flag.HAS_INLINE_TAG); |
jjg@1455 | 589 | // TODO: verify on overridden method |
jjg@1455 | 590 | foundInheritDoc = true; |
jjg@1455 | 591 | return super.visitInheritDoc(tree, ignore); |
jjg@1455 | 592 | } |
jjg@1455 | 593 | |
jjg@1455 | 594 | @Override |
jjg@1455 | 595 | public Void visitLink(LinkTree tree, Void ignore) { |
jjg@1650 | 596 | markEnclosingTag(Flag.HAS_INLINE_TAG); |
jjg@1455 | 597 | // simulate inline context on tag stack |
jjg@1455 | 598 | HtmlTag t = (tree.getKind() == DocTree.Kind.LINK) |
jjg@1455 | 599 | ? HtmlTag.CODE : HtmlTag.SPAN; |
jjg@1455 | 600 | tagStack.push(new TagStackItem(tree, t)); |
jjg@1455 | 601 | try { |
jjg@1455 | 602 | return super.visitLink(tree, ignore); |
jjg@1455 | 603 | } finally { |
jjg@1455 | 604 | tagStack.pop(); |
jjg@1455 | 605 | } |
jjg@1455 | 606 | } |
jjg@1455 | 607 | |
jjg@1455 | 608 | @Override |
jjg@1499 | 609 | public Void visitLiteral(LiteralTree tree, Void ignore) { |
jjg@1650 | 610 | markEnclosingTag(Flag.HAS_INLINE_TAG); |
jjg@1499 | 611 | if (tree.getKind() == DocTree.Kind.CODE) { |
jjg@1499 | 612 | for (TagStackItem tsi: tagStack) { |
jjg@1499 | 613 | if (tsi.tag == HtmlTag.CODE) { |
jjg@1502 | 614 | env.messages.warning(HTML, tree, "dc.tag.code.within.code"); |
jjg@1499 | 615 | break; |
jjg@1499 | 616 | } |
jjg@1499 | 617 | } |
jjg@1499 | 618 | } |
jjg@1499 | 619 | return super.visitLiteral(tree, ignore); |
jjg@1499 | 620 | } |
jjg@1499 | 621 | |
jjg@1499 | 622 | @Override |
jjg@1455 | 623 | public Void visitParam(ParamTree tree, Void ignore) { |
jjg@1455 | 624 | boolean typaram = tree.isTypeParameter(); |
jjg@1455 | 625 | IdentifierTree nameTree = tree.getName(); |
jjg@1455 | 626 | Element e = env.currElement; |
jjg@1455 | 627 | switch (e.getKind()) { |
jjg@1455 | 628 | case METHOD: case CONSTRUCTOR: { |
jjg@1455 | 629 | ExecutableElement ee = (ExecutableElement) e; |
jjg@1455 | 630 | checkParamDeclared(nameTree, typaram ? ee.getTypeParameters() : ee.getParameters()); |
jjg@1455 | 631 | break; |
jjg@1455 | 632 | } |
jjg@1455 | 633 | |
jjg@1455 | 634 | case CLASS: case INTERFACE: { |
jjg@1455 | 635 | TypeElement te = (TypeElement) e; |
jjg@1455 | 636 | if (typaram) { |
jjg@1455 | 637 | checkParamDeclared(nameTree, te.getTypeParameters()); |
jjg@1455 | 638 | } else { |
jjg@1455 | 639 | env.messages.error(REFERENCE, tree, "dc.invalid.param"); |
jjg@1455 | 640 | } |
jjg@1455 | 641 | break; |
jjg@1455 | 642 | } |
jjg@1455 | 643 | |
jjg@1455 | 644 | default: |
jjg@1455 | 645 | env.messages.error(REFERENCE, tree, "dc.invalid.param"); |
jjg@1455 | 646 | break; |
jjg@1455 | 647 | } |
jjg@1455 | 648 | warnIfEmpty(tree, tree.getDescription()); |
jjg@1455 | 649 | return super.visitParam(tree, ignore); |
jjg@1455 | 650 | } |
jjg@1455 | 651 | // where |
jjg@1455 | 652 | private void checkParamDeclared(IdentifierTree nameTree, List<? extends Element> list) { |
jjg@1455 | 653 | Name name = nameTree.getName(); |
jjg@1455 | 654 | boolean found = false; |
jjg@1455 | 655 | for (Element e: list) { |
jjg@1455 | 656 | if (name.equals(e.getSimpleName())) { |
jjg@1455 | 657 | foundParams.add(e); |
jjg@1455 | 658 | found = true; |
jjg@1455 | 659 | } |
jjg@1455 | 660 | } |
jjg@1455 | 661 | if (!found) |
jjg@1455 | 662 | env.messages.error(REFERENCE, nameTree, "dc.param.name.not.found"); |
jjg@1455 | 663 | } |
jjg@1455 | 664 | |
jjg@1455 | 665 | private void checkParamsDocumented(List<? extends Element> list) { |
jjg@1455 | 666 | if (foundInheritDoc) |
jjg@1455 | 667 | return; |
jjg@1455 | 668 | |
jjg@1455 | 669 | for (Element e: list) { |
jjg@1455 | 670 | if (!foundParams.contains(e)) { |
jjg@1455 | 671 | CharSequence paramName = (e.getKind() == ElementKind.TYPE_PARAMETER) |
jjg@1455 | 672 | ? "<" + e.getSimpleName() + ">" |
jjg@1455 | 673 | : e.getSimpleName(); |
jjg@1455 | 674 | reportMissing("dc.missing.param", paramName); |
jjg@1455 | 675 | } |
jjg@1455 | 676 | } |
jjg@1455 | 677 | } |
jjg@1455 | 678 | |
jjg@1455 | 679 | @Override |
jjg@1455 | 680 | public Void visitReference(ReferenceTree tree, Void ignore) { |
jjg@1455 | 681 | Element e = env.trees.getElement(env.currPath, tree); |
jjg@1455 | 682 | if (e == null) |
jjg@1455 | 683 | env.messages.error(REFERENCE, tree, "dc.ref.not.found"); |
jjg@1455 | 684 | return super.visitReference(tree, ignore); |
jjg@1455 | 685 | } |
jjg@1455 | 686 | |
jjg@1455 | 687 | @Override |
jjg@1455 | 688 | public Void visitReturn(ReturnTree tree, Void ignore) { |
jjg@1455 | 689 | Element e = env.trees.getElement(env.currPath); |
jjg@1455 | 690 | if (e.getKind() != ElementKind.METHOD |
jjg@1455 | 691 | || ((ExecutableElement) e).getReturnType().getKind() == TypeKind.VOID) |
jjg@1455 | 692 | env.messages.error(REFERENCE, tree, "dc.invalid.return"); |
jjg@1455 | 693 | foundReturn = true; |
jjg@1455 | 694 | warnIfEmpty(tree, tree.getDescription()); |
jjg@1455 | 695 | return super.visitReturn(tree, ignore); |
jjg@1455 | 696 | } |
jjg@1455 | 697 | |
jjg@1455 | 698 | @Override |
jjg@1455 | 699 | public Void visitSerialData(SerialDataTree tree, Void ignore) { |
jjg@1455 | 700 | warnIfEmpty(tree, tree.getDescription()); |
jjg@1455 | 701 | return super.visitSerialData(tree, ignore); |
jjg@1455 | 702 | } |
jjg@1455 | 703 | |
jjg@1455 | 704 | @Override |
jjg@1455 | 705 | public Void visitSerialField(SerialFieldTree tree, Void ignore) { |
jjg@1455 | 706 | warnIfEmpty(tree, tree.getDescription()); |
jjg@1455 | 707 | return super.visitSerialField(tree, ignore); |
jjg@1455 | 708 | } |
jjg@1455 | 709 | |
jjg@1455 | 710 | @Override |
jjg@1455 | 711 | public Void visitSince(SinceTree tree, Void ignore) { |
jjg@1455 | 712 | warnIfEmpty(tree, tree.getBody()); |
jjg@1455 | 713 | return super.visitSince(tree, ignore); |
jjg@1455 | 714 | } |
jjg@1455 | 715 | |
jjg@1455 | 716 | @Override |
jjg@1455 | 717 | public Void visitThrows(ThrowsTree tree, Void ignore) { |
jjg@1455 | 718 | ReferenceTree exName = tree.getExceptionName(); |
jjg@1455 | 719 | Element ex = env.trees.getElement(env.currPath, exName); |
jjg@1455 | 720 | if (ex == null) { |
jjg@1455 | 721 | env.messages.error(REFERENCE, tree, "dc.ref.not.found"); |
jjg@1455 | 722 | } else if (ex.asType().getKind() == TypeKind.DECLARED |
jjg@1455 | 723 | && env.types.isAssignable(ex.asType(), env.java_lang_Throwable)) { |
jjg@1455 | 724 | switch (env.currElement.getKind()) { |
jjg@1455 | 725 | case CONSTRUCTOR: |
jjg@1455 | 726 | case METHOD: |
jjg@1455 | 727 | if (isCheckedException(ex.asType())) { |
jjg@1455 | 728 | ExecutableElement ee = (ExecutableElement) env.currElement; |
jjg@1455 | 729 | checkThrowsDeclared(exName, ex.asType(), ee.getThrownTypes()); |
jjg@1455 | 730 | } |
jjg@1455 | 731 | break; |
jjg@1455 | 732 | default: |
jjg@1455 | 733 | env.messages.error(REFERENCE, tree, "dc.invalid.throws"); |
jjg@1455 | 734 | } |
jjg@1455 | 735 | } else { |
jjg@1455 | 736 | env.messages.error(REFERENCE, tree, "dc.invalid.throws"); |
jjg@1455 | 737 | } |
jjg@1455 | 738 | warnIfEmpty(tree, tree.getDescription()); |
jjg@1455 | 739 | return scan(tree.getDescription(), ignore); |
jjg@1455 | 740 | } |
jjg@1455 | 741 | |
jjg@1455 | 742 | private void checkThrowsDeclared(ReferenceTree tree, TypeMirror t, List<? extends TypeMirror> list) { |
jjg@1455 | 743 | boolean found = false; |
jjg@1455 | 744 | for (TypeMirror tl : list) { |
jjg@1455 | 745 | if (env.types.isAssignable(t, tl)) { |
jjg@1455 | 746 | foundThrows.add(tl); |
jjg@1455 | 747 | found = true; |
jjg@1455 | 748 | } |
jjg@1455 | 749 | } |
jjg@1455 | 750 | if (!found) |
jjg@1455 | 751 | env.messages.error(REFERENCE, tree, "dc.exception.not.thrown", t); |
jjg@1455 | 752 | } |
jjg@1455 | 753 | |
jjg@1455 | 754 | private void checkThrowsDocumented(List<? extends TypeMirror> list) { |
jjg@1455 | 755 | if (foundInheritDoc) |
jjg@1455 | 756 | return; |
jjg@1455 | 757 | |
jjg@1455 | 758 | for (TypeMirror tl: list) { |
jjg@1455 | 759 | if (isCheckedException(tl) && !foundThrows.contains(tl)) |
jjg@1455 | 760 | reportMissing("dc.missing.throws", tl); |
jjg@1455 | 761 | } |
jjg@1455 | 762 | } |
jjg@1455 | 763 | |
jjg@1455 | 764 | @Override |
jjg@1650 | 765 | public Void visitValue(ValueTree tree, Void ignore) { |
jjg@1650 | 766 | markEnclosingTag(Flag.HAS_INLINE_TAG); |
jjg@1650 | 767 | return super.visitValue(tree, ignore); |
jjg@1650 | 768 | } |
jjg@1650 | 769 | |
jjg@1650 | 770 | @Override |
jjg@1455 | 771 | public Void visitVersion(VersionTree tree, Void ignore) { |
jjg@1455 | 772 | warnIfEmpty(tree, tree.getBody()); |
jjg@1455 | 773 | return super.visitVersion(tree, ignore); |
jjg@1455 | 774 | } |
jjg@1455 | 775 | |
jjg@1455 | 776 | @Override |
jjg@1455 | 777 | public Void visitErroneous(ErroneousTree tree, Void ignore) { |
jjg@1455 | 778 | env.messages.error(SYNTAX, tree, null, tree.getDiagnostic().getMessage(null)); |
jjg@1455 | 779 | return null; |
jjg@1455 | 780 | } |
jjg@1455 | 781 | // </editor-fold> |
jjg@1455 | 782 | |
jjg@1455 | 783 | // <editor-fold defaultstate="collapsed" desc="Utility methods"> |
jjg@1455 | 784 | |
jjg@1455 | 785 | private boolean isCheckedException(TypeMirror t) { |
jjg@1455 | 786 | return !(env.types.isAssignable(t, env.java_lang_Error) |
jjg@1455 | 787 | || env.types.isAssignable(t, env.java_lang_RuntimeException)); |
jjg@1455 | 788 | } |
jjg@1455 | 789 | |
jjg@1455 | 790 | private boolean isSynthetic() { |
jjg@1455 | 791 | switch (env.currElement.getKind()) { |
jjg@1455 | 792 | case CONSTRUCTOR: |
jjg@1455 | 793 | // A synthetic default constructor has the same pos as the |
jjg@1455 | 794 | // enclosing class |
jjg@1455 | 795 | TreePath p = env.currPath; |
jjg@1455 | 796 | return env.getPos(p) == env.getPos(p.getParentPath()); |
jjg@1455 | 797 | } |
jjg@1455 | 798 | return false; |
jjg@1455 | 799 | } |
jjg@1455 | 800 | |
jjg@1455 | 801 | void markEnclosingTag(Flag flag) { |
jjg@1455 | 802 | TagStackItem top = tagStack.peek(); |
jjg@1455 | 803 | if (top != null) |
jjg@1455 | 804 | top.flags.add(flag); |
jjg@1455 | 805 | } |
jjg@1455 | 806 | |
jjg@1455 | 807 | String toString(TreePath p) { |
jjg@1455 | 808 | StringBuilder sb = new StringBuilder("TreePath["); |
jjg@1455 | 809 | toString(p, sb); |
jjg@1455 | 810 | sb.append("]"); |
jjg@1455 | 811 | return sb.toString(); |
jjg@1455 | 812 | } |
jjg@1455 | 813 | |
jjg@1455 | 814 | void toString(TreePath p, StringBuilder sb) { |
jjg@1455 | 815 | TreePath parent = p.getParentPath(); |
jjg@1455 | 816 | if (parent != null) { |
jjg@1455 | 817 | toString(parent, sb); |
jjg@1455 | 818 | sb.append(","); |
jjg@1455 | 819 | } |
jjg@1455 | 820 | sb.append(p.getLeaf().getKind()).append(":").append(env.getPos(p)).append(":S").append(env.getStartPos(p)); |
jjg@1455 | 821 | } |
jjg@1455 | 822 | |
jjg@1455 | 823 | void warnIfEmpty(DocTree tree, List<? extends DocTree> list) { |
jjg@1455 | 824 | for (DocTree d: list) { |
jjg@1455 | 825 | switch (d.getKind()) { |
jjg@1455 | 826 | case TEXT: |
jjg@1507 | 827 | if (hasNonWhitespace((TextTree) d)) |
jjg@1455 | 828 | return; |
jjg@1455 | 829 | break; |
jjg@1455 | 830 | default: |
jjg@1455 | 831 | return; |
jjg@1455 | 832 | } |
jjg@1455 | 833 | } |
jjg@1455 | 834 | env.messages.warning(SYNTAX, tree, "dc.empty", tree.getKind().tagName); |
jjg@1455 | 835 | } |
jjg@1507 | 836 | |
jjg@1507 | 837 | boolean hasNonWhitespace(TextTree tree) { |
jjg@1507 | 838 | String s = tree.getBody(); |
jjg@1507 | 839 | for (int i = 0; i < s.length(); i++) { |
jjg@1507 | 840 | if (!Character.isWhitespace(s.charAt(i))) |
jjg@1507 | 841 | return true; |
jjg@1507 | 842 | } |
jjg@1507 | 843 | return false; |
jjg@1507 | 844 | } |
jjg@1507 | 845 | |
jjg@1455 | 846 | // </editor-fold> |
jjg@1455 | 847 | |
jjg@1455 | 848 | } |