[groovy] use generated parser for docs, i.e. break last dependency on old parser

plugins/groovy/groovy-psi/gen/org/jetbrains/plugins/groovy/lang/parser/GroovyGeneratedParser.java

@@ -2945,6 +2945,42 @@ public class GroovyGeneratedParser implements PsiParser, LightPsiParser {
     return r || p;
   }
 
+  /* ********************************************************** */
+  // short_code_reference doc_reference_tail*
+  public static boolean doc_reference(PsiBuilder b, int l) {
+    if (!recursion_guard_(b, l, "doc_reference")) return false;
+    boolean r;
+    Marker m = enter_section_(b, l, _COLLAPSE_, CODE_REFERENCE, "<doc reference>");
+    r = short_code_reference(b, l + 1);
+    r = r && doc_reference_1(b, l + 1);
+    exit_section_(b, l, m, r, false, null);
+    return r;
+  }
+
+  // doc_reference_tail*
+  private static boolean doc_reference_1(PsiBuilder b, int l) {
+    if (!recursion_guard_(b, l, "doc_reference_1")) return false;
+    while (true) {
+      int c = current_position_(b);
+      if (!doc_reference_tail(b, l + 1)) break;
+      if (!empty_element_parsed_guard_(b, "doc_reference_1", c)) break;
+    }
+    return true;
+  }
+
+  /* ********************************************************** */
+  // '.' code_reference_part
+  public static boolean doc_reference_tail(PsiBuilder b, int l) {
+    if (!recursion_guard_(b, l, "doc_reference_tail")) return false;
+    if (!nextTokenIs(b, T_DOT)) return false;
+    boolean r;
+    Marker m = enter_section_(b, l, _LEFT_, CODE_REFERENCE, null);
+    r = consumeToken(b, T_DOT);
+    r = r && code_reference_part(b, l + 1);
+    exit_section_(b, l, m, r, false, null);
+    return r;
+  }
+
   /* ********************************************************** */
   // DOLLAR_SLASHY_BEGIN fast_dollar_slashy_content? !'$' DOLLAR_SLASHY_END
   public static boolean dollar_slashy_literal(PsiBuilder b, int l) {

plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/groovydoc/parser/elements/GroovyDocTagValueTokenType.java

@@ -1,19 +1,4 @@
-/*
- * Copyright 2000-2014 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package org.jetbrains.plugins.groovy.lang.groovydoc.parser.elements;
 
 import com.intellij.lang.ASTNode;
@@ -22,7 +7,6 @@ import com.intellij.lang.PsiBuilderFactory;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.impl.source.tree.LeafPsiElement;
-import java.util.HashSet;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.plugins.groovy.lang.groovydoc.lexer.GroovyDocTokenTypes;
 import org.jetbrains.plugins.groovy.lang.groovydoc.lexer.IGroovyDocElementType;
@@ -31,9 +15,10 @@ import org.jetbrains.plugins.groovy.lang.groovydoc.psi.api.GrDocMemberReference;
 import org.jetbrains.plugins.groovy.lang.groovydoc.psi.api.GrDocMethodParameter;
 import org.jetbrains.plugins.groovy.lang.groovydoc.psi.api.GrDocTag;
 import org.jetbrains.plugins.groovy.lang.lexer.GroovyLexer;
-import org.jetbrains.plugins.groovy.lang.parser.parsing.statements.typeDefinitions.ReferenceElement;
+import org.jetbrains.plugins.groovy.lang.parser.GroovyParser;
 
 import java.util.Arrays;
+import java.util.HashSet;
 import java.util.Set;
 
 /**
@@ -106,8 +91,9 @@ public class GroovyDocTagValueTokenType extends GroovyDocChameleonElementType im
     PsiBuilder.Marker rootMarker = builder.mark();
     if (BUILT_IN_TYPES.contains(chameleon.getText())) {
       builder.advanceLexer();
-    } else {
-      ReferenceElement.parse(builder, false, false, false, false, false);
+    }
+    else {
+      new GroovyParser().parseDocReference(builder);
       while (!builder.eof()) {
         builder.advanceLexer();
       }

plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/parser/GroovyParser.java

@@ -1,5 +1,4 @@
 // Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
-
 package org.jetbrains.plugins.groovy.lang.parser;
 
 import com.intellij.lang.PsiBuilder;
@@ -22,6 +21,9 @@ import org.jetbrains.plugins.groovy.lang.parser.parsing.statements.imports.Impor
 import org.jetbrains.plugins.groovy.lang.parser.parsing.statements.typeDefinitions.TypeDefinition;
 import org.jetbrains.plugins.groovy.lang.parser.parsing.util.ParserUtils;
 
+import static org.jetbrains.plugins.groovy.lang.parser.GroovyGeneratedParserUtils.adapt_builder_;
+import static org.jetbrains.plugins.groovy.lang.psi.GroovyElementTypes.CODE_REFERENCE;
+
 /**
  * Parser for Groovy script files
  *
@@ -451,4 +453,9 @@ public class GroovyParser extends GroovyGeneratedParser {
     marker.done(GroovyElementTypes.LABELED_STATEMENT);
     return true;
   }
+
+  public void parseDocReference(PsiBuilder b) {
+    b = adapt_builder_(CODE_REFERENCE, b, this, EXTENDS_SETS_);
+    doc_reference(b, 0);
+  }
 }

plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/parser/groovy.bnf

@@ -1217,6 +1217,10 @@ private code_reference_identifiers_soft ::= 'def' | 'as' | 'in' | 'trait' { cons
 type_code_reference ::= code_reference { elementType = '' name = 'type' }
 
 private qualified_name ::= <<qualifiedName code_reference>>
+
+//noinspection BnfUnusedRule
+doc_reference ::= short_code_reference doc_reference_tail* { elementType = code_reference }
+left doc_reference_tail ::= '.' code_reference_part { elementType = code_reference }
 // endregion