| Clover coverage report - DrJava Test Coverage (drjava-20120304-r5456) |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| ReducedModelState.java | 100% | 100% | 100% | 100% |
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| 1 | /*BEGIN_COPYRIGHT_BLOCK | |
| 2 | * | |
| 3 | * Copyright (c) 2001-2010, JavaPLT group at Rice University (drjava@rice.edu) | |
| 4 | * All rights reserved. | |
| 5 | * | |
| 6 | * Redistribution and use in source and binary forms, with or without | |
| 7 | * modification, are permitted provided that the following conditions are met: | |
| 8 | * * Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * * Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the | |
| 14 | * names of its contributors may be used to endorse or promote products | |
| 15 | * derived from this software without specific prior written permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 21 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 22 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 24 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 25 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 26 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 28 | * | |
| 29 | * This software is Open Source Initiative approved Open Source Software. | |
| 30 | * Open Source Initative Approved is a trademark of the Open Source Initiative. | |
| 31 | * | |
| 32 | * This file is part of DrJava. Download the current version of this project | |
| 33 | * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/ | |
| 34 | * | |
| 35 | * END_COPYRIGHT_BLOCK*/ | |
| 36 | ||
| 37 | package edu.rice.cs.drjava.model.definitions.reducedmodel; | |
| 38 | ||
| 39 | import static edu.rice.cs.drjava.model.definitions.reducedmodel.ReducedModelStates.*; | |
| 40 | ||
| 41 | /** Represents the bstract notion of a shadowing state. The shadowing state of text is simply its interpretation during | |
| 42 | * compilation. Commented text is ignored; quoted text is accumulated into string constants. This classification | |
| 43 | * supports accurate highlighting, indenting, and other analyses of program text. | |
| 44 | * @version $Id: ReducedModelState.java 5175 2010-01-20 08:46:32Z mgricken $ | |
| 45 | */ | |
| 46 | public abstract class ReducedModelState { | |
| 47 | ||
| 48 | abstract ReducedModelState update(TokenList.Iterator copyCursor); | |
| 49 | ||
| 50 | /** Combines the current and next braces if they match the given types. If we have braces of first and second in | |
| 51 | * immediate succession, and if second's gap is 0, combine them into first+second. The cursor remains on the same | |
| 52 | * block after this method is called. | |
| 53 | * @param first the first half of a multiple char brace | |
| 54 | * @param second the second half of a multiple char brace | |
| 55 | * @return true if we combined two braces or false if not | |
| 56 | */ | |
| 57 | 63586 | boolean _combineCurrentAndNextIfFind(String first, String second, TokenList.Iterator copyCursor) { |
| 58 | 63586 | if (copyCursor.atStart() || copyCursor.atEnd() || copyCursor.atLastItem() || |
| 59 | !copyCursor.current().getType().equals(first)) | |
| 60 | 61859 | return false; |
| 61 | ||
| 62 | 1727 | copyCursor.next(); // move to second one to check if we can combine |
| 63 | ||
| 64 | // The second one is eligible to combine if it exists (atLast is false), | |
| 65 | // if it has the right brace type, and if it has no gap. | |
| 66 | 1727 | if (copyCursor.current().getType().equals(second)) { |
| 67 | 51 | if (copyCursor.current().getType().equals("") && copyCursor.prevItem().getType().equals("")) { |
| 68 | // delete first Gap and augment the second | |
| 69 | 1 | copyCursor.prev(); |
| 70 | 1 | int growth = copyCursor.current().getSize(); |
| 71 | 1 | copyCursor.remove(); |
| 72 | 1 | copyCursor.current().grow(growth); |
| 73 | } | |
| 74 | 50 | else if (copyCursor.current().getType().length() == 2) { |
| 75 | 3 | String tail = copyCursor.current().getType().substring(1,2); |
| 76 | 3 | String head = copyCursor.prevItem().getType() + |
| 77 | copyCursor.current().getType().substring(0,1); | |
| 78 | 3 | copyCursor.current().setType(tail); |
| 79 | 3 | copyCursor.prev(); |
| 80 | 3 | copyCursor.current().setType(head); |
| 81 | 3 | copyCursor.current().setState(FREE); |
| 82 | } | |
| 83 | else { | |
| 84 | // delete the first Brace and augment the second | |
| 85 | 47 | copyCursor.prev(); |
| 86 | 47 | copyCursor.remove(); |
| 87 | 47 | copyCursor.current().setType(first + second); |
| 88 | } | |
| 89 | 51 | return true; |
| 90 | } | |
| 91 | else { | |
| 92 | // we couldn't combine, so move back and return | |
| 93 | 1676 | copyCursor.prev(); |
| 94 | 1676 | return false; |
| 95 | } | |
| 96 | } | |
| 97 | ||
| 98 | 6158 | boolean _combineCurrentAndNextIfEscape(TokenList.Iterator copyCursor) { |
| 99 | 6158 | boolean combined = _combineCurrentAndNextIfFind("\\","\\",copyCursor); // \-\ |
| 100 | 6158 | combined = combined || _combineCurrentAndNextIfFind("\\","\'",copyCursor); // \-' |
| 101 | 6158 | combined = combined || _combineCurrentAndNextIfFind("\\","\\'",copyCursor);// \-\' |
| 102 | 6158 | combined = combined || _combineCurrentAndNextIfFind("\\","\"",copyCursor); // \-" |
| 103 | 6158 | combined = combined || _combineCurrentAndNextIfFind("\\","\\\"",copyCursor);// \-\" |
| 104 | 6158 | combined = combined || _combineCurrentAndNextIfFind("\\","\\\\",copyCursor);// \-\\ |
| 105 | 6158 | return combined; |
| 106 | } | |
| 107 | } |
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