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.lexer;
018    
019    import com.intellij.psi.TokenType;
020    import com.intellij.psi.tree.IElementType;
021    import com.intellij.psi.tree.TokenSet;
022    import org.jetbrains.kotlin.kdoc.lexer.KDocTokens;
023    import org.jetbrains.kotlin.psi.KtPsiUtil;
024    
025    public interface KtTokens {
026        KtToken EOF   = new KtToken("EOF");
027    
028        KtToken RESERVED    = new KtToken("RESERVED");
029    
030        KtToken BLOCK_COMMENT     = new KtToken("BLOCK_COMMENT");
031        KtToken EOL_COMMENT       = new KtToken("EOL_COMMENT");
032        KtToken SHEBANG_COMMENT   = new KtToken("SHEBANG_COMMENT");
033    
034        //KtToken DOC_COMMENT   = new KtToken("DOC_COMMENT");
035        IElementType DOC_COMMENT   = KDocTokens.KDOC;
036    
037        IElementType WHITE_SPACE = TokenType.WHITE_SPACE;
038    
039        KtToken INTEGER_LITERAL    = new KtToken("INTEGER_LITERAL");
040        KtToken FLOAT_LITERAL      = new KtToken("FLOAT_CONSTANT");
041        KtToken CHARACTER_LITERAL  = new KtToken("CHARACTER_LITERAL");
042    
043        KtToken CLOSING_QUOTE = new KtToken("CLOSING_QUOTE");
044        KtToken OPEN_QUOTE = new KtToken("OPEN_QUOTE");
045        KtToken REGULAR_STRING_PART = new KtToken("REGULAR_STRING_PART");
046        KtToken ESCAPE_SEQUENCE = new KtToken("ESCAPE_SEQUENCE");
047        KtToken SHORT_TEMPLATE_ENTRY_START = new KtToken("SHORT_TEMPLATE_ENTRY_START");
048        KtToken LONG_TEMPLATE_ENTRY_START = new KtToken("LONG_TEMPLATE_ENTRY_START");
049        KtToken LONG_TEMPLATE_ENTRY_END = new KtToken("LONG_TEMPLATE_ENTRY_END");
050        KtToken DANGLING_NEWLINE = new KtToken("DANGLING_NEWLINE");
051    
052        KtKeywordToken PACKAGE_KEYWORD          = KtKeywordToken.keyword("package");
053        KtKeywordToken AS_KEYWORD               = KtKeywordToken.keyword("as");
054        KtKeywordToken TYPE_ALIAS_KEYWORD       = KtKeywordToken.keyword("typealias");
055        KtKeywordToken CLASS_KEYWORD            = KtKeywordToken.keyword("class");
056        KtKeywordToken THIS_KEYWORD             = KtKeywordToken.keyword("this");
057        KtKeywordToken SUPER_KEYWORD            = KtKeywordToken.keyword("super");
058        KtKeywordToken VAL_KEYWORD              = KtKeywordToken.keyword("val");
059        KtKeywordToken VAR_KEYWORD              = KtKeywordToken.keyword("var");
060        KtKeywordToken FUN_KEYWORD              = KtKeywordToken.keyword("fun");
061        KtKeywordToken FOR_KEYWORD              = KtKeywordToken.keyword("for");
062        KtKeywordToken NULL_KEYWORD             = KtKeywordToken.keyword("null");
063        KtKeywordToken TRUE_KEYWORD             = KtKeywordToken.keyword("true");
064        KtKeywordToken FALSE_KEYWORD            = KtKeywordToken.keyword("false");
065        KtKeywordToken IS_KEYWORD               = KtKeywordToken.keyword("is");
066        KtModifierKeywordToken IN_KEYWORD       = KtModifierKeywordToken.keywordModifier("in");
067        KtKeywordToken THROW_KEYWORD            = KtKeywordToken.keyword("throw");
068        KtKeywordToken RETURN_KEYWORD           = KtKeywordToken.keyword("return");
069        KtKeywordToken BREAK_KEYWORD            = KtKeywordToken.keyword("break");
070        KtKeywordToken CONTINUE_KEYWORD         = KtKeywordToken.keyword("continue");
071        KtKeywordToken OBJECT_KEYWORD           = KtKeywordToken.keyword("object");
072        KtKeywordToken IF_KEYWORD               = KtKeywordToken.keyword("if");
073        KtKeywordToken TRY_KEYWORD              = KtKeywordToken.keyword("try");
074        KtKeywordToken ELSE_KEYWORD             = KtKeywordToken.keyword("else");
075        KtKeywordToken WHILE_KEYWORD            = KtKeywordToken.keyword("while");
076        KtKeywordToken DO_KEYWORD               = KtKeywordToken.keyword("do");
077        KtKeywordToken WHEN_KEYWORD             = KtKeywordToken.keyword("when");
078        KtKeywordToken INTERFACE_KEYWORD        = KtKeywordToken.keyword("interface");
079    
080        // Reserved for future use:
081        KtKeywordToken YIELD_KEYWORD            = KtKeywordToken.keyword("yield");
082        KtKeywordToken TYPEOF_KEYWORD           = KtKeywordToken.keyword("typeof");
083    
084        KtToken AS_SAFE = KtKeywordToken.keyword("AS_SAFE");//new KtToken("as?");
085    
086        KtToken IDENTIFIER = new KtToken("IDENTIFIER");
087    
088        KtToken FIELD_IDENTIFIER = new KtToken("FIELD_IDENTIFIER");
089        KtSingleValueToken LBRACKET    = new KtSingleValueToken("LBRACKET", "[");
090        KtSingleValueToken RBRACKET    = new KtSingleValueToken("RBRACKET", "]");
091        KtSingleValueToken LBRACE      = new KtSingleValueToken("LBRACE", "{");
092        KtSingleValueToken RBRACE      = new KtSingleValueToken("RBRACE", "}");
093        KtSingleValueToken LPAR        = new KtSingleValueToken("LPAR", "(");
094        KtSingleValueToken RPAR        = new KtSingleValueToken("RPAR", ")");
095        KtSingleValueToken DOT         = new KtSingleValueToken("DOT", ".");
096        KtSingleValueToken PLUSPLUS    = new KtSingleValueToken("PLUSPLUS", "++");
097        KtSingleValueToken MINUSMINUS  = new KtSingleValueToken("MINUSMINUS", "--");
098        KtSingleValueToken MUL         = new KtSingleValueToken("MUL", "*");
099        KtSingleValueToken PLUS        = new KtSingleValueToken("PLUS", "+");
100        KtSingleValueToken MINUS       = new KtSingleValueToken("MINUS", "-");
101        KtSingleValueToken EXCL        = new KtSingleValueToken("EXCL", "!");
102        KtSingleValueToken DIV         = new KtSingleValueToken("DIV", "/");
103        KtSingleValueToken PERC        = new KtSingleValueToken("PERC", "%");
104        KtSingleValueToken LT          = new KtSingleValueToken("LT", "<");
105        KtSingleValueToken GT          = new KtSingleValueToken("GT", ">");
106        KtSingleValueToken LTEQ        = new KtSingleValueToken("LTEQ", "<=");
107        KtSingleValueToken GTEQ        = new KtSingleValueToken("GTEQ", ">=");
108        KtSingleValueToken EQEQEQ      = new KtSingleValueToken("EQEQEQ", "===");
109        KtSingleValueToken ARROW       = new KtSingleValueToken("ARROW", "->");
110        KtSingleValueToken DOUBLE_ARROW       = new KtSingleValueToken("DOUBLE_ARROW", "=>");
111        KtSingleValueToken EXCLEQEQEQ  = new KtSingleValueToken("EXCLEQEQEQ", "!==");
112        KtSingleValueToken EQEQ        = new KtSingleValueToken("EQEQ", "==");
113        KtSingleValueToken EXCLEQ      = new KtSingleValueToken("EXCLEQ", "!=");
114        KtSingleValueToken EXCLEXCL    = new KtSingleValueToken("EXCLEXCL", "!!");
115        KtSingleValueToken ANDAND      = new KtSingleValueToken("ANDAND", "&&");
116        KtSingleValueToken OROR        = new KtSingleValueToken("OROR", "||");
117        KtSingleValueToken SAFE_ACCESS = new KtSingleValueToken("SAFE_ACCESS", "?.");
118        KtSingleValueToken ELVIS       = new KtSingleValueToken("ELVIS", "?:");
119        KtSingleValueToken QUEST       = new KtSingleValueToken("QUEST", "?");
120        KtSingleValueToken COLONCOLON  = new KtSingleValueToken("COLONCOLON", "::");
121        KtSingleValueToken COLON       = new KtSingleValueToken("COLON", ":");
122        KtSingleValueToken SEMICOLON   = new KtSingleValueToken("SEMICOLON", ";");
123        KtSingleValueToken DOUBLE_SEMICOLON   = new KtSingleValueToken("DOUBLE_SEMICOLON", ";;");
124        KtSingleValueToken RANGE       = new KtSingleValueToken("RANGE", "..");
125        KtSingleValueToken EQ          = new KtSingleValueToken("EQ", "=");
126        KtSingleValueToken MULTEQ      = new KtSingleValueToken("MULTEQ", "*=");
127        KtSingleValueToken DIVEQ       = new KtSingleValueToken("DIVEQ", "/=");
128        KtSingleValueToken PERCEQ      = new KtSingleValueToken("PERCEQ", "%=");
129        KtSingleValueToken PLUSEQ      = new KtSingleValueToken("PLUSEQ", "+=");
130        KtSingleValueToken MINUSEQ     = new KtSingleValueToken("MINUSEQ", "-=");
131        KtKeywordToken NOT_IN      = KtKeywordToken.keyword("NOT_IN", "!in");
132        KtKeywordToken NOT_IS      = KtKeywordToken.keyword("NOT_IS", "!is");
133        KtSingleValueToken HASH        = new KtSingleValueToken("HASH", "#");
134        KtSingleValueToken AT          = new KtSingleValueToken("AT", "@");
135    
136        KtSingleValueToken COMMA       = new KtSingleValueToken("COMMA", ",");
137    
138        KtToken EOL_OR_SEMICOLON   = new KtToken("EOL_OR_SEMICOLON");
139        KtKeywordToken FILE_KEYWORD    = KtKeywordToken.softKeyword("file");
140        KtKeywordToken FIELD_KEYWORD     = KtKeywordToken.softKeyword("field");
141        KtKeywordToken PROPERTY_KEYWORD     = KtKeywordToken.softKeyword("property");
142        KtKeywordToken RECEIVER_KEYWORD     = KtKeywordToken.softKeyword("receiver");
143        KtKeywordToken PARAM_KEYWORD     = KtKeywordToken.softKeyword("param");
144        KtKeywordToken SETPARAM_KEYWORD  = KtKeywordToken.softKeyword("setparam");
145        KtKeywordToken IMPORT_KEYWORD    = KtKeywordToken.softKeyword("import");
146        KtKeywordToken WHERE_KEYWORD     = KtKeywordToken.softKeyword("where");
147        KtKeywordToken BY_KEYWORD        = KtKeywordToken.softKeyword("by");
148        KtKeywordToken GET_KEYWORD       = KtKeywordToken.softKeyword("get");
149        KtKeywordToken SET_KEYWORD       = KtKeywordToken.softKeyword("set");
150        KtKeywordToken CONSTRUCTOR_KEYWORD = KtKeywordToken.softKeyword("constructor");
151        KtKeywordToken INIT_KEYWORD        = KtKeywordToken.softKeyword("init");
152    
153        KtModifierKeywordToken ABSTRACT_KEYWORD  = KtModifierKeywordToken.softKeywordModifier("abstract");
154        KtModifierKeywordToken ENUM_KEYWORD      = KtModifierKeywordToken.softKeywordModifier("enum");
155        KtModifierKeywordToken OPEN_KEYWORD      = KtModifierKeywordToken.softKeywordModifier("open");
156        KtModifierKeywordToken INNER_KEYWORD     = KtModifierKeywordToken.softKeywordModifier("inner");
157        KtModifierKeywordToken OVERRIDE_KEYWORD  = KtModifierKeywordToken.softKeywordModifier("override");
158        KtModifierKeywordToken PRIVATE_KEYWORD   = KtModifierKeywordToken.softKeywordModifier("private");
159        KtModifierKeywordToken PUBLIC_KEYWORD    = KtModifierKeywordToken.softKeywordModifier("public");
160        KtModifierKeywordToken INTERNAL_KEYWORD  = KtModifierKeywordToken.softKeywordModifier("internal");
161        KtModifierKeywordToken PROTECTED_KEYWORD = KtModifierKeywordToken.softKeywordModifier("protected");
162        KtKeywordToken CATCH_KEYWORD     = KtKeywordToken.softKeyword("catch");
163        KtModifierKeywordToken OUT_KEYWORD       = KtModifierKeywordToken.softKeywordModifier("out");
164        KtModifierKeywordToken VARARG_KEYWORD    = KtModifierKeywordToken.softKeywordModifier("vararg");
165        KtModifierKeywordToken REIFIED_KEYWORD   = KtModifierKeywordToken.softKeywordModifier("reified");
166        KtKeywordToken DYNAMIC_KEYWORD   = KtKeywordToken.softKeyword("dynamic");
167        KtModifierKeywordToken COMPANION_KEYWORD = KtModifierKeywordToken.softKeywordModifier("companion");
168        KtModifierKeywordToken SEALED_KEYWORD    = KtModifierKeywordToken.softKeywordModifier("sealed");
169    
170        KtModifierKeywordToken DEFAULT_VISIBILITY_KEYWORD = PUBLIC_KEYWORD;
171    
172        KtKeywordToken FINALLY_KEYWORD   = KtKeywordToken.softKeyword("finally");
173        KtModifierKeywordToken FINAL_KEYWORD     = KtModifierKeywordToken.softKeywordModifier("final");
174    
175        KtModifierKeywordToken LATEINIT_KEYWORD = KtModifierKeywordToken.softKeywordModifier("lateinit");
176    
177        KtModifierKeywordToken DATA_KEYWORD    = KtModifierKeywordToken.softKeywordModifier("data");
178        KtModifierKeywordToken INLINE_KEYWORD    = KtModifierKeywordToken.softKeywordModifier("inline");
179        KtModifierKeywordToken NOINLINE_KEYWORD    = KtModifierKeywordToken.softKeywordModifier("noinline");
180        KtModifierKeywordToken TAILREC_KEYWORD    = KtModifierKeywordToken.softKeywordModifier("tailrec");
181        KtModifierKeywordToken EXTERNAL_KEYWORD    = KtModifierKeywordToken.softKeywordModifier("external");
182        KtModifierKeywordToken ANNOTATION_KEYWORD    = KtModifierKeywordToken.softKeywordModifier("annotation");
183        KtModifierKeywordToken CROSSINLINE_KEYWORD    = KtModifierKeywordToken.softKeywordModifier("crossinline");
184        KtModifierKeywordToken OPERATOR_KEYWORD = KtModifierKeywordToken.softKeywordModifier("operator");
185        KtModifierKeywordToken INFIX_KEYWORD = KtModifierKeywordToken.softKeywordModifier("infix");
186    
187        KtModifierKeywordToken CONST_KEYWORD = KtModifierKeywordToken.softKeywordModifier("const");
188    
189        TokenSet KEYWORDS = TokenSet.create(PACKAGE_KEYWORD, AS_KEYWORD, TYPE_ALIAS_KEYWORD, CLASS_KEYWORD, INTERFACE_KEYWORD,
190                                            THIS_KEYWORD, SUPER_KEYWORD, VAL_KEYWORD, VAR_KEYWORD, FUN_KEYWORD, FOR_KEYWORD,
191                                            NULL_KEYWORD,
192                                            TRUE_KEYWORD, FALSE_KEYWORD, IS_KEYWORD,
193                                            IN_KEYWORD, THROW_KEYWORD, RETURN_KEYWORD, BREAK_KEYWORD, CONTINUE_KEYWORD, OBJECT_KEYWORD, IF_KEYWORD,
194                                            ELSE_KEYWORD, WHILE_KEYWORD, DO_KEYWORD, TRY_KEYWORD, WHEN_KEYWORD,
195                                            NOT_IN, NOT_IS, AS_SAFE,
196                                            YIELD_KEYWORD,
197                                            TYPEOF_KEYWORD
198        );
199    
200        TokenSet SOFT_KEYWORDS = TokenSet.create(FILE_KEYWORD, IMPORT_KEYWORD, WHERE_KEYWORD, BY_KEYWORD, GET_KEYWORD,
201                                                 SET_KEYWORD, ABSTRACT_KEYWORD, ENUM_KEYWORD, OPEN_KEYWORD, INNER_KEYWORD,
202                                                 OVERRIDE_KEYWORD, PRIVATE_KEYWORD, PUBLIC_KEYWORD, INTERNAL_KEYWORD, PROTECTED_KEYWORD,
203                                                 CATCH_KEYWORD, FINALLY_KEYWORD, OUT_KEYWORD, FINAL_KEYWORD, VARARG_KEYWORD, REIFIED_KEYWORD,
204                                                 DYNAMIC_KEYWORD, COMPANION_KEYWORD, CONSTRUCTOR_KEYWORD, INIT_KEYWORD, SEALED_KEYWORD,
205                                                 FIELD_KEYWORD, PROPERTY_KEYWORD, RECEIVER_KEYWORD, PARAM_KEYWORD, SETPARAM_KEYWORD,
206                                                 LATEINIT_KEYWORD,
207                                                 DATA_KEYWORD, INLINE_KEYWORD, NOINLINE_KEYWORD, TAILREC_KEYWORD, EXTERNAL_KEYWORD,
208                                                 ANNOTATION_KEYWORD, CROSSINLINE_KEYWORD, CONST_KEYWORD, OPERATOR_KEYWORD, INFIX_KEYWORD
209        );
210    
211        /*
212            This array is used in stub serialization:
213            1. Do not change order.
214            2. If you add an entry or change order, increase stub version.
215         */
216        KtModifierKeywordToken[] MODIFIER_KEYWORDS_ARRAY =
217                new KtModifierKeywordToken[] {
218                        ABSTRACT_KEYWORD, ENUM_KEYWORD, OPEN_KEYWORD, INNER_KEYWORD, OVERRIDE_KEYWORD, PRIVATE_KEYWORD,
219                        PUBLIC_KEYWORD, INTERNAL_KEYWORD, PROTECTED_KEYWORD, OUT_KEYWORD, IN_KEYWORD, FINAL_KEYWORD, VARARG_KEYWORD,
220                        REIFIED_KEYWORD, COMPANION_KEYWORD, SEALED_KEYWORD, LATEINIT_KEYWORD,
221                        DATA_KEYWORD, INLINE_KEYWORD, NOINLINE_KEYWORD, TAILREC_KEYWORD, EXTERNAL_KEYWORD, ANNOTATION_KEYWORD, CROSSINLINE_KEYWORD,
222                        CONST_KEYWORD, OPERATOR_KEYWORD, INFIX_KEYWORD
223                };
224    
225        TokenSet MODIFIER_KEYWORDS = TokenSet.create(MODIFIER_KEYWORDS_ARRAY);
226    
227        TokenSet VISIBILITY_MODIFIERS = TokenSet.create(PRIVATE_KEYWORD, PUBLIC_KEYWORD, INTERNAL_KEYWORD, PROTECTED_KEYWORD);
228    
229        TokenSet WHITESPACES = TokenSet.create(TokenType.WHITE_SPACE);
230    
231        /**
232         * Don't add KDocTokens to COMMENTS TokenSet, because it is used in KotlinParserDefinition.getCommentTokens(),
233         * and therefor all COMMENTS tokens will be ignored by PsiBuilder.
234         *
235         * @see KtPsiUtil#isInComment(com.intellij.psi.PsiElement)
236         */
237        TokenSet COMMENTS = TokenSet.create(EOL_COMMENT, BLOCK_COMMENT, DOC_COMMENT, SHEBANG_COMMENT);
238        TokenSet WHITE_SPACE_OR_COMMENT_BIT_SET = TokenSet.orSet(COMMENTS, WHITESPACES);
239    
240        TokenSet STRINGS = TokenSet.create(CHARACTER_LITERAL, REGULAR_STRING_PART);
241        TokenSet OPERATIONS = TokenSet.create(AS_KEYWORD, AS_SAFE, IS_KEYWORD, IN_KEYWORD, DOT, PLUSPLUS, MINUSMINUS, EXCLEXCL, MUL, PLUS,
242                                              MINUS, EXCL, DIV, PERC, LT, GT, LTEQ, GTEQ, EQEQEQ, EXCLEQEQEQ, EQEQ, EXCLEQ, ANDAND, OROR,
243                                              SAFE_ACCESS, ELVIS,
244                                              RANGE, EQ, MULTEQ, DIVEQ, PERCEQ, PLUSEQ, MINUSEQ,
245                                              NOT_IN, NOT_IS,
246                                              IDENTIFIER);
247    
248        TokenSet BINARY_OPERATIONS = TokenSet.create(AS_KEYWORD, AS_SAFE, IS_KEYWORD, IN_KEYWORD, MUL, PLUS,
249                                                     MINUS, DIV, PERC, LT, GT, LTEQ, GTEQ, EQEQEQ, EXCLEQEQEQ, EQEQ, EXCLEQ, ANDAND, OROR,
250                                                     ELVIS, RANGE, EQ, MULTEQ, DIVEQ, PERCEQ, PLUSEQ, MINUSEQ,
251                                                     NOT_IN, NOT_IS);
252    
253        TokenSet AUGMENTED_ASSIGNMENTS = TokenSet.create(PLUSEQ, MINUSEQ, MULTEQ, PERCEQ, DIVEQ);
254        TokenSet ALL_ASSIGNMENTS = TokenSet.create(EQ, PLUSEQ, MINUSEQ, MULTEQ, PERCEQ, DIVEQ);
255    }