001    /*
002     * Copyright 2010-2015 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.kotlin;
018    
019    import com.intellij.lang.ASTNode;
020    import com.intellij.lang.Language;
021    import com.intellij.lang.PsiBuilder;
022    import com.intellij.lang.PsiBuilderFactory;
023    import com.intellij.lexer.Lexer;
024    import com.intellij.openapi.project.Project;
025    import com.intellij.psi.tree.IElementType;
026    import com.intellij.psi.tree.IErrorCounterReparseableElementType;
027    import com.intellij.psi.tree.IFileElementType;
028    import org.jetbrains.annotations.Nullable;
029    import org.jetbrains.kotlin.idea.KotlinLanguage;
030    import org.jetbrains.kotlin.lexer.KotlinLexer;
031    import org.jetbrains.kotlin.lexer.KtTokens;
032    import org.jetbrains.kotlin.parsing.KotlinParser;
033    import org.jetbrains.kotlin.psi.*;
034    import org.jetbrains.kotlin.psi.stubs.elements.KtStubElementTypes;
035    
036    public interface KtNodeTypes {
037        IFileElementType KT_FILE = new IFileElementType(KotlinLanguage.INSTANCE);
038    
039        IElementType CLASS     = KtStubElementTypes.CLASS;
040        IElementType FUN       = KtStubElementTypes.FUNCTION;
041        IElementType PROPERTY  = KtStubElementTypes.PROPERTY;
042        IElementType DESTRUCTURING_DECLARATION = new KtNodeType("DESTRUCTURING_DECLARATION", KtDestructuringDeclaration.class);
043        IElementType DESTRUCTURING_DECLARATION_ENTRY = new KtNodeType("DESTRUCTURING_DECLARATION_ENTRY", KtDestructuringDeclarationEntry.class);
044    
045        IElementType OBJECT_DECLARATION = KtStubElementTypes.OBJECT_DECLARATION;
046        IElementType TYPEALIAS = KtStubElementTypes.TYPEALIAS;
047    
048        IElementType ENUM_ENTRY            = KtStubElementTypes.ENUM_ENTRY;
049        IElementType CLASS_INITIALIZER = KtStubElementTypes.CLASS_INITIALIZER;
050        IElementType SCRIPT_INITIALIZER    = new KtNodeType("SCRIPT_INITIALIZER", KtScriptInitializer.class);
051        IElementType SECONDARY_CONSTRUCTOR  = KtStubElementTypes.SECONDARY_CONSTRUCTOR;
052        IElementType PRIMARY_CONSTRUCTOR    = KtStubElementTypes.PRIMARY_CONSTRUCTOR;
053    
054        IElementType TYPE_PARAMETER_LIST                 = KtStubElementTypes.TYPE_PARAMETER_LIST;
055        IElementType TYPE_PARAMETER                      = KtStubElementTypes.TYPE_PARAMETER;
056        IElementType SUPER_TYPE_LIST                     = KtStubElementTypes.SUPER_TYPE_LIST;
057        IElementType DELEGATED_SUPER_TYPE_ENTRY          = KtStubElementTypes.DELEGATED_SUPER_TYPE_ENTRY;
058        IElementType SUPER_TYPE_CALL_ENTRY               = KtStubElementTypes.SUPER_TYPE_CALL_ENTRY;
059        IElementType SUPER_TYPE_ENTRY                    = KtStubElementTypes.SUPER_TYPE_ENTRY;
060        KtNodeType PROPERTY_DELEGATE                    = new KtNodeType("PROPERTY_DELEGATE", KtPropertyDelegate.class);
061        IElementType CONSTRUCTOR_CALLEE                  = KtStubElementTypes.CONSTRUCTOR_CALLEE;
062        IElementType VALUE_PARAMETER_LIST               = KtStubElementTypes.VALUE_PARAMETER_LIST;
063        IElementType VALUE_PARAMETER                    = KtStubElementTypes.VALUE_PARAMETER;
064    
065        IElementType CLASS_BODY                         = KtStubElementTypes.CLASS_BODY;
066        IElementType IMPORT_LIST                        = KtStubElementTypes.IMPORT_LIST;
067        IElementType FILE_ANNOTATION_LIST               = KtStubElementTypes.FILE_ANNOTATION_LIST;
068        IElementType IMPORT_DIRECTIVE                   = KtStubElementTypes.IMPORT_DIRECTIVE;
069        IElementType MODIFIER_LIST                      = KtStubElementTypes.MODIFIER_LIST;
070        IElementType ANNOTATION                         = KtStubElementTypes.ANNOTATION;
071        IElementType ANNOTATION_ENTRY                   = KtStubElementTypes.ANNOTATION_ENTRY;
072        IElementType ANNOTATION_TARGET                  = KtStubElementTypes.ANNOTATION_TARGET;
073    
074        IElementType TYPE_ARGUMENT_LIST                 = KtStubElementTypes.TYPE_ARGUMENT_LIST;
075        KtNodeType VALUE_ARGUMENT_LIST                 = new KtNodeType("VALUE_ARGUMENT_LIST", KtValueArgumentList.class);
076        KtNodeType VALUE_ARGUMENT                      = new KtNodeType("VALUE_ARGUMENT", KtValueArgument.class);
077        KtNodeType LAMBDA_ARGUMENT                     = new KtNodeType("LAMBDA_ARGUMENT", KtLambdaArgument.class);
078        KtNodeType VALUE_ARGUMENT_NAME                 = new KtNodeType("VALUE_ARGUMENT_NAME", KtValueArgumentName.class);
079        IElementType TYPE_REFERENCE                     = KtStubElementTypes.TYPE_REFERENCE;
080    
081        IElementType USER_TYPE                = KtStubElementTypes.USER_TYPE;
082        IElementType DYNAMIC_TYPE             = KtStubElementTypes.DYNAMIC_TYPE;
083        IElementType FUNCTION_TYPE            = KtStubElementTypes.FUNCTION_TYPE;
084        IElementType FUNCTION_TYPE_RECEIVER   = KtStubElementTypes.FUNCTION_TYPE_RECEIVER;
085        KtNodeType SELF_TYPE     = new KtNodeType("SELF_TYPE", KtSelfType.class);
086        IElementType NULLABLE_TYPE            = KtStubElementTypes.NULLABLE_TYPE;
087        IElementType TYPE_PROJECTION          = KtStubElementTypes.TYPE_PROJECTION;
088    
089        // TODO: review
090        IElementType PROPERTY_ACCESSOR       = KtStubElementTypes.PROPERTY_ACCESSOR;
091        IElementType INITIALIZER_LIST        = KtStubElementTypes.INITIALIZER_LIST;
092        IElementType TYPE_CONSTRAINT_LIST    = KtStubElementTypes.TYPE_CONSTRAINT_LIST;
093        IElementType TYPE_CONSTRAINT         = KtStubElementTypes.TYPE_CONSTRAINT;
094    
095        IElementType CONSTRUCTOR_DELEGATION_CALL = new KtNodeType.KtLeftBoundNodeType("CONSTRUCTOR_DELEGATION_CALL", KtConstructorDelegationCall.class);
096        KtNodeType CONSTRUCTOR_DELEGATION_REFERENCE = new KtNodeType.KtLeftBoundNodeType("CONSTRUCTOR_DELEGATION_REFERENCE", KtConstructorDelegationReferenceExpression.class);
097    
098        // TODO: Not sure if we need separate NT for each kind of constants
099        KtNodeType NULL               = new KtNodeType("NULL", KtConstantExpression.class);
100        KtNodeType BOOLEAN_CONSTANT   = new KtNodeType("BOOLEAN_CONSTANT", KtConstantExpression.class);
101        KtNodeType FLOAT_CONSTANT     = new KtNodeType("FLOAT_CONSTANT", KtConstantExpression.class);
102        KtNodeType CHARACTER_CONSTANT = new KtNodeType("CHARACTER_CONSTANT", KtConstantExpression.class);
103        KtNodeType INTEGER_CONSTANT   = new KtNodeType("INTEGER_CONSTANT", KtConstantExpression.class);
104    
105        KtNodeType STRING_TEMPLATE    = new KtNodeType("STRING_TEMPLATE", KtStringTemplateExpression.class);
106        KtNodeType LONG_STRING_TEMPLATE_ENTRY = new KtNodeType("LONG_STRING_TEMPLATE_ENTRY", KtBlockStringTemplateEntry.class);
107        KtNodeType SHORT_STRING_TEMPLATE_ENTRY = new KtNodeType("SHORT_STRING_TEMPLATE_ENTRY", KtSimpleNameStringTemplateEntry.class);
108        KtNodeType LITERAL_STRING_TEMPLATE_ENTRY = new KtNodeType("LITERAL_STRING_TEMPLATE_ENTRY", KtLiteralStringTemplateEntry.class);
109        KtNodeType ESCAPE_STRING_TEMPLATE_ENTRY = new KtNodeType("ESCAPE_STRING_TEMPLATE_ENTRY", KtEscapeStringTemplateEntry.class);
110    
111        KtNodeType PARENTHESIZED             = new KtNodeType("PARENTHESIZED", KtParenthesizedExpression.class);
112        KtNodeType RETURN                    = new KtNodeType("RETURN", KtReturnExpression.class);
113        KtNodeType THROW                     = new KtNodeType("THROW", KtThrowExpression.class);
114        KtNodeType CONTINUE                  = new KtNodeType("CONTINUE", KtContinueExpression.class);
115        KtNodeType BREAK                     = new KtNodeType("BREAK", KtBreakExpression.class);
116        KtNodeType IF                        = new KtNodeType("IF", KtIfExpression.class);
117        KtNodeType CONDITION                 = new KtNodeType("CONDITION", KtContainerNode.class);
118        KtNodeType THEN                      = new KtNodeType("THEN", KtContainerNodeForControlStructureBody.class);
119        KtNodeType ELSE                      = new KtNodeType("ELSE", KtContainerNodeForControlStructureBody.class);
120        KtNodeType TRY                       = new KtNodeType("TRY", KtTryExpression.class);
121        KtNodeType CATCH                     = new KtNodeType("CATCH", KtCatchClause.class);
122        KtNodeType FINALLY                   = new KtNodeType("FINALLY", KtFinallySection.class);
123        KtNodeType FOR                       = new KtNodeType("FOR", KtForExpression.class);
124        KtNodeType WHILE                     = new KtNodeType("WHILE", KtWhileExpression.class);
125        KtNodeType DO_WHILE                  = new KtNodeType("DO_WHILE", KtDoWhileExpression.class);
126        KtNodeType LOOP_RANGE                = new KtNodeType("LOOP_RANGE", KtContainerNode.class);
127        KtNodeType BODY                      = new KtNodeType("BODY", KtContainerNodeForControlStructureBody.class);
128        KtNodeType BLOCK                     = new KtNodeType("BLOCK", KtBlockExpression.class);
129    
130        IElementType LAMBDA_EXPRESSION = new IErrorCounterReparseableElementType("LAMBDA_EXPRESSION", KotlinLanguage.INSTANCE) {
131            @Override
132            public ASTNode parseContents(ASTNode chameleon) {
133                Project project = chameleon.getPsi().getProject();
134                PsiBuilder builder = PsiBuilderFactory.getInstance().createBuilder(project, chameleon, null, KotlinLanguage.INSTANCE, chameleon.getChars());
135                return KotlinParser.parseLambdaExpression(builder).getFirstChildNode();
136            }
137    
138            @Nullable
139            @Override
140            public ASTNode createNode(CharSequence text) {
141                return new KtLambdaExpression(text);
142            }
143    
144            @Override
145            public int getErrorsCount(CharSequence seq, Language fileLanguage, Project project) {
146                Lexer lexer = new KotlinLexer();
147    
148                lexer.start(seq);
149                if (lexer.getTokenType() != KtTokens.LBRACE) return IErrorCounterReparseableElementType.FATAL_ERROR;
150                lexer.advance();
151                int balance = 1;
152                while (true) {
153                    IElementType type = lexer.getTokenType();
154                    if (type == null) break;
155                    if (balance == 0) {
156                        return IErrorCounterReparseableElementType.FATAL_ERROR;
157                    }
158                    if (type == KtTokens.LBRACE) {
159                        balance++;
160                    }
161                    else if (type == KtTokens.RBRACE) {
162                        balance--;
163                    }
164                    lexer.advance();
165                }
166                return balance;
167            }
168        };
169    
170    
171        KtNodeType FUNCTION_LITERAL          = new KtNodeType("FUNCTION_LITERAL", KtFunctionLiteral.class);
172        KtNodeType ANNOTATED_EXPRESSION      = new KtNodeType("ANNOTATED_EXPRESSION", KtAnnotatedExpression.class);
173    
174        IElementType REFERENCE_EXPRESSION     = KtStubElementTypes.REFERENCE_EXPRESSION;
175        IElementType ENUM_ENTRY_SUPERCLASS_REFERENCE_EXPRESSION = KtStubElementTypes.ENUM_ENTRY_SUPERCLASS_REFERENCE_EXPRESSION;
176        KtNodeType OPERATION_REFERENCE       = new KtNodeType("OPERATION_REFERENCE", KtOperationReferenceExpression.class);
177        KtNodeType LABEL                     = new KtNodeType("LABEL", KtLabelReferenceExpression.class);
178    
179        KtNodeType LABEL_QUALIFIER           = new KtNodeType("LABEL_QUALIFIER", KtContainerNode.class);
180    
181        KtNodeType THIS_EXPRESSION           = new KtNodeType("THIS_EXPRESSION", KtThisExpression.class);
182        KtNodeType SUPER_EXPRESSION          = new KtNodeType("SUPER_EXPRESSION", KtSuperExpression.class);
183        KtNodeType BINARY_EXPRESSION         = new KtNodeType("BINARY_EXPRESSION", KtBinaryExpression.class);
184        KtNodeType BINARY_WITH_TYPE          = new KtNodeType("BINARY_WITH_TYPE", KtBinaryExpressionWithTypeRHS.class);
185        KtNodeType IS_EXPRESSION = new KtNodeType("IS_EXPRESSION", KtIsExpression.class); // TODO:
186        KtNodeType PREFIX_EXPRESSION         = new KtNodeType("PREFIX_EXPRESSION", KtPrefixExpression.class);
187        KtNodeType POSTFIX_EXPRESSION        = new KtNodeType("POSTFIX_EXPRESSION", KtPostfixExpression.class);
188        KtNodeType LABELED_EXPRESSION         = new KtNodeType("LABELED_EXPRESSION", KtLabeledExpression.class);
189        KtNodeType CALL_EXPRESSION           = new KtNodeType("CALL_EXPRESSION", KtCallExpression.class);
190        KtNodeType ARRAY_ACCESS_EXPRESSION   = new KtNodeType("ARRAY_ACCESS_EXPRESSION", KtArrayAccessExpression.class);
191        KtNodeType INDICES                   = new KtNodeType("INDICES", KtContainerNode.class);
192        IElementType DOT_QUALIFIED_EXPRESSION = KtStubElementTypes.DOT_QUALIFIED_EXPRESSION;
193        KtNodeType CALLABLE_REFERENCE_EXPRESSION = new KtNodeType("CALLABLE_REFERENCE_EXPRESSION", KtCallableReferenceExpression.class);
194        KtNodeType CLASS_LITERAL_EXPRESSION  = new KtNodeType("CLASS_LITERAL_EXPRESSION", KtClassLiteralExpression.class);
195        KtNodeType SAFE_ACCESS_EXPRESSION    = new KtNodeType("SAFE_ACCESS_EXPRESSION", KtSafeQualifiedExpression.class);
196    
197        KtNodeType OBJECT_LITERAL            = new KtNodeType("OBJECT_LITERAL", KtObjectLiteralExpression.class);
198    
199        KtNodeType WHEN                      = new KtNodeType("WHEN", KtWhenExpression.class);
200        KtNodeType WHEN_ENTRY                = new KtNodeType("WHEN_ENTRY", KtWhenEntry.class);
201    
202        KtNodeType WHEN_CONDITION_IN_RANGE   = new KtNodeType("WHEN_CONDITION_IN_RANGE", KtWhenConditionInRange.class);
203        KtNodeType WHEN_CONDITION_IS_PATTERN = new KtNodeType("WHEN_CONDITION_IS_PATTERN", KtWhenConditionIsPattern.class);
204        KtNodeType WHEN_CONDITION_EXPRESSION = new KtNodeType("WHEN_CONDITION_WITH_EXPRESSION", KtWhenConditionWithExpression.class);
205    
206        IElementType PACKAGE_DIRECTIVE = KtStubElementTypes.PACKAGE_DIRECTIVE;
207    
208        IElementType SCRIPT = KtStubElementTypes.SCRIPT;
209    
210        IFileElementType TYPE_CODE_FRAGMENT = new KtTypeCodeFragmentType();
211        IFileElementType EXPRESSION_CODE_FRAGMENT = new KtExpressionCodeFragmentType();
212        IFileElementType BLOCK_CODE_FRAGMENT = new KtBlockCodeFragmentType();
213    }