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1   /*
2    * Themis: Java Project Framework
3    * Copyright 2012-2026. Tony Washer
4    *
5    * Licensed under the Apache License, Version 2.0 (the "License"); you may not
6    * use this file except in compliance with the License.  You may obtain a copy
7    * of the License at
8    *
9    *   http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
13   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
14   * License for the specific language governing permissions and limitations under
15   * the License.
16   */
17  package io.github.tonywasher.joceanus.themis.parser.stmt;
18  
19  import com.github.javaparser.ast.stmt.Statement;
20  import io.github.tonywasher.joceanus.oceanus.base.OceanusException;
21  import io.github.tonywasher.joceanus.themis.parser.base.ThemisInstance.ThemisId;
22  import io.github.tonywasher.joceanus.themis.parser.base.ThemisParserDef;
23  
24  import java.util.function.Predicate;
25  
26  /**
27   * Analysis StatementType.
28   */
29  public enum ThemisStatement
30          implements ThemisId {
31      /**
32       * Assert.
33       */
34      ASSERT(Statement::isAssertStmt),
35  
36      /**
37       * Block.
38       */
39      BLOCK(Statement::isBlockStmt),
40  
41      /**
42       * Break.
43       */
44      BREAK(Statement::isBreakStmt),
45  
46      /**
47       * Continue.
48       */
49      CONTINUE(Statement::isContinueStmt),
50  
51      /**
52       * Constructor.
53       */
54      CONSTRUCTOR(Statement::isExplicitConstructorInvocationStmt),
55  
56      /**
57       * Do.
58       */
59      DO(Statement::isDoStmt),
60  
61      /**
62       * Empty.
63       */
64      EMPTY(Statement::isEmptyStmt),
65  
66      /**
67       * Expression.
68       */
69      EXPRESSION(Statement::isExpressionStmt),
70  
71      /**
72       * For.
73       */
74      FOR(Statement::isForStmt),
75  
76      /**
77       * ForEach.
78       */
79      FOREACH(Statement::isForEachStmt),
80  
81      /**
82       * If.
83       */
84      IF(Statement::isIfStmt),
85  
86      /**
87       * Labeled.
88       */
89      LABELED(Statement::isLabeledStmt),
90  
91      /**
92       * LocalClass.
93       */
94      LOCALCLASS(Statement::isLocalClassDeclarationStmt),
95  
96      /**
97       * LocalRecord.
98       */
99      LOCALRECORD(Statement::isLocalRecordDeclarationStmt),
100 
101     /**
102      * Return.
103      */
104     RETURN(Statement::isReturnStmt),
105 
106     /**
107      * ForEach.
108      */
109     SWITCH(Statement::isSwitchStmt),
110 
111     /**
112      * Synchronized.
113      */
114     SYNCHRONIZED(Statement::isSynchronizedStmt),
115 
116     /**
117      * Throw.
118      */
119     THROW(Statement::isThrowStmt),
120 
121     /**
122      * Try.
123      */
124     TRY(Statement::isTryStmt),
125 
126     /**
127      * While.
128      */
129     WHILE(Statement::isWhileStmt),
130 
131     /**
132      * Yield.
133      */
134     YIELD(Statement::isYieldStmt);
135 
136     /**
137      * The test.
138      */
139     private final Predicate<Statement> theTester;
140 
141     /**
142      * Constructor.
143      *
144      * @param pTester the test method
145      */
146     ThemisStatement(final Predicate<Statement> pTester) {
147         theTester = pTester;
148     }
149 
150     /**
151      * Determine type of statement.
152      *
153      * @param pParser    the parser
154      * @param pStatement the statement
155      * @return the StatementType
156      * @throws OceanusException on error
157      */
158     public static ThemisStatement determineStatement(final ThemisParserDef pParser,
159                                                      final Statement pStatement) throws OceanusException {
160         /* Loop testing each statement type */
161         for (ThemisStatement myType : values()) {
162             if (myType.theTester.test(pStatement)) {
163                 return myType;
164             }
165         }
166 
167         /* Unrecognised statementType */
168         throw pParser.buildException("Unexpected Statement", pStatement);
169     }
170 }