[61] | 1 | /* |
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| 2 | * generated by Xtext |
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[64] | 3 | */
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| 4 | package de.ugoe.cs.swe.bnftools.ui.quickfix
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| 5 |
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| 6 | import org.eclipse.xtext.ui.editor.quickfix.Fix
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| 7 | import org.eclipse.xtext.ui.editor.quickfix.IssueResolutionAcceptor
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| 8 | import org.eclipse.xtext.validation.Issue
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| 9 | import de.ugoe.cs.swe.bnftools.validation.EbnfValidator
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| 10 | import org.eclipse.xtext.ui.editor.model.IXtextDocument
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| 11 | import org.eclipse.emf.ecore.EObject
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| 12 | import de.ugoe.cs.swe.bnftools.ebnf.Rule
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| 13 | import de.ugoe.cs.swe.bnftools.ebnf.EbnfFactory
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| 14 | import org.eclipse.xtext.nodemodel.util.NodeModelUtils
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| 15 | import org.eclipse.xtext.nodemodel.INode
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| 16 | import de.ugoe.cs.swe.bnftools.validation.EbnfAnalysisUtils
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| 17 | import java.util.List
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| 18 | import de.ugoe.cs.swe.bnftools.ebnf.RuleReference
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| 19 | import org.eclipse.xtext.nodemodel.ICompositeNode
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| 20 | import de.ugoe.cs.swe.bnftools.ebnf.EtsiBnf
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| 21 | import java.util.ArrayList
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| 22 |
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[61] | 23 | /** |
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| 24 | * Custom quickfixes. |
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| 25 | * |
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| 26 | * see http://www.eclipse.org/Xtext/documentation.html#quickfixes |
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[64] | 27 | */
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| 28 | class EbnfQuickfixProvider extends org.eclipse.xtext.ui.editor.quickfix.DefaultQuickfixProvider {
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[65] | 29 |
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| 30 | //***************************************************************************************** |
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[64] | 31 | //works
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| 32 | @Fix(EbnfValidator.ruleReferencedOneDescription)
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| 33 | def void fixInlineRuleReferencedOnce(Issue issue, IssueResolutionAcceptor acceptor) {
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| 34 | acceptor.accept(
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| 35 | issue,
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| 36 | "Inline the rule",
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| 37 | "Delete the rule and replace its single reference by the rule's right side",
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| 38 | "upcase.png"
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| 39 | ) [ element, context |
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[65] | 40 | var Rule rule = element as Rule; |
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| 41 |
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[64] | 42 | var IXtextDocument xtextDocument = context.getXtextDocument();
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| 43 | var ICompositeNode node = NodeModelUtils.findActualNodeFor(rule);
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| 44 | var String nodeText = node.text;
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| 45 | var int textLength = nodeText.length - 2;
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| 46 | var int offset = node.textRegion.offset;
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| 47 | //rename references |
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| 48 | var ICompositeNode dList = NodeModelUtils.findActualNodeFor(rule.definitionList);
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| 49 | var String refText = "(" + dList.text + ")";
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| 50 | var int refLength = rule.name.length;
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| 51 | var List<RuleReference> references = EbnfAnalysisUtils.findReferences(rule);
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| 52 | //is the reference in the rule itself?
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| 53 | var boolean foundRule = false;
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[65] | 54 | var EObject r = references.get(0) as EObject;
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| 55 | var Rule containingRule = null;
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[64] | 56 | while (!foundRule) {
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| 57 | r = r.eContainer;
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| 58 | if (r instanceof Rule) {
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| 59 | containingRule = r as Rule;
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| 60 | foundRule = true;
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| 61 | }
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| 62 | }
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| 63 | if (!rule.equals(containingRule)) {
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| 64 | for (ruleRef : references) {
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| 65 | var ICompositeNode refNode = NodeModelUtils.findActualNodeFor(ruleRef);
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| 66 | var int refOffset = refNode.textRegion.offset;
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| 67 |
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| 68 | xtextDocument.replace(refOffset, refLength, refText);
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| 69 | if (refOffset < offset) {
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| 70 | offset += refText.length - refLength;
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| 71 | }
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| 72 | }
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| 73 | }
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[65] | 74 | // delete rule |
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| 75 | xtextDocument.replace(offset, textLength, "");
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[64] | 76 | ]
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| 77 |
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| 78 | }
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[65] | 79 |
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| 80 | //***************************************************************************************** |
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| 81 |
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| 82 | // @Fix(EbnfValidator.passthroughRuleDescription)
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| 83 | // def void fixRemovePassthroughRule(Issue issue, IssueResolutionAcceptor acceptor) {
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| 84 | // acceptor.accept(
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| 85 | // issue,
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| 86 | // "Remove passthrough rule",
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| 87 | // "Delete the passthrough rule and replace its references with its right side",
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| 88 | // "upcase.png",
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| 89 | // [ element, context |
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| 90 | // var Rule rule = element as Rule;
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| 91 | // var IXtextDocument xtextDocument = context.getXtextDocument();
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| 92 | // var ICompositeNode node = NodeModelUtils.findActualNodeFor(rule);
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| 93 | // var String nodeText = node.text;
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| 94 | // var int textLength = nodeText.length - 2;
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| 95 | // var int offset = node.textRegion.offset;
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| 96 | // var ICompositeNode dList = NodeModelUtils.findActualNodeFor(rule.definitionList);
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| 97 | // var String refText = "(" + dList.text + ")";
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| 98 | // var int refLength = rule.name.length;
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| 99 | // var List<RuleReference> references = EbnfAnalysisUtils.findReferences(rule); |
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| 100 | // //sort references by offset |
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| 101 | // var int i = 0; |
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| 102 | // var List<RuleReference> referenceHleper = new ArrayList<RuleReference>(); |
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| 103 | // while(i<references.length){ |
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| 104 | // |
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| 105 | // i++; |
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| 106 | // }
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| 107 | // for (ruleRef : references) {
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| 108 | // var ICompositeNode refNode = NodeModelUtils.findActualNodeFor(ruleRef);
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| 109 | // var int refOffset = refNode.textRegion.offset;
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| 110 | //
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| 111 | // xtextDocument.replace(refOffset, refLength, refText);
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| 112 | // if (refOffset < offset) {
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| 113 | // offset += refText.length - refLength;
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| 114 | // }
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| 115 | // }
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| 116 | // ]
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| 117 | // );
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| 118 | // } |
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| 119 |
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| 120 | //***************************************************************************************** |
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[64] | 121 | //works
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[65] | 122 | @Fix(EbnfValidator.unusedRuleDescription)
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[64] | 123 | def void fixUnusedRule(Issue issue, IssueResolutionAcceptor acceptor) {
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| 124 |
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| 125 | acceptor.accept(issue, "Remove unused rule", "Delete the unused rule", "upcase.png",
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| 126 | [ element, context |
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| 127 | var Rule rule = element as Rule;
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| 128 | var IXtextDocument xtextDocument = context.getXtextDocument();
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| 129 | var ICompositeNode node = NodeModelUtils.findActualNodeFor(rule);
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| 130 | var int offset = node.textRegion.offset;
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| 131 | var String nodeText = node.text;
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| 132 | var int textLength = nodeText.length - 2;
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| 133 | xtextDocument.replace(offset, textLength, "");
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| 134 | ])
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| 135 | }
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| 136 | }
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