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[IDEA][xtend] Provided support for brace pairs matching

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Change-Id: Icef7d4a31e95ea8094f96fe2c62027a628a21744
Signed-off-by: akosyakov <anton.kosyakov@itemis.de>
This commit is contained in:
akosyakov 2015-01-05 14:17:14 +01:00
parent 8562203200
commit 0325dff423
5 changed files with 124 additions and 0 deletions
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7
plugins/org.eclipse.xtext.ide/META-INF/MANIFEST.MF
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@ -17,6 +17,13 @@ Export-Package: org.eclipse.xtext.ide;
org.eclipse.emf.mwe2.language.ui,
org.eclipse.xtext.xtext.ui,
org.eclipse.xtend.ide.common",
org.eclipse.xtext.ide.editor.bracketmatching;
x-friends:="org.eclipse.xtext.ui,
org.eclipse.xtext.xbase.ui,
org.eclipse.xtend.ide,
org.eclipse.emf.mwe2.language.ui,
org.eclipse.xtext.xtext.ui,
org.eclipse.xtend.ide.common",
org.eclipse.xtext.ide.editor.contentassist;
x-friends:="org.eclipse.xtext.ui,
org.eclipse.xtext.xbase.ui,

36
plugins/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/editor/bracketmatching/BracePair.xtend Normal file
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@ -0,0 +1,36 @@
/*******************************************************************************
* Copyright (c) 2015 itemis AG (http://www.itemis.eu) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.xtext.ide.editor.bracketmatching
import org.eclipse.xtend.lib.annotations.Data
/**
* Defines a single pair of braces which need to be matched when editing code.
*
* @author kosyakov - Initial contribution and API
*/
@Data
class BracePair {
/**
* The length of a left brace should be one character for Eclipse.
*/
val String leftBrace
/**
* The length of a right brace should be one character for Eclipse.
*/
val String rightBrace
/**
* True if the brace is structural. Structural braces have higher priority than regular braces:
* they are matched with each other even if there are unmatched braces of other types between them,
* and an opening non-structural brace is not matched with a closing one if one of them is outside a pair
* of matched structural braces and another is outside. In Java code, the curly braces are structural.
*
* It is ignored by Eclipse.
*/
val boolean structural
}

31
plugins/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/editor/bracketmatching/DefaultBracePairProvider.xtend Normal file
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@ -0,0 +1,31 @@
/*******************************************************************************
* Copyright (c) 2015 itemis AG (http://www.itemis.eu) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.xtext.ide.editor.bracketmatching
import java.util.Set
import org.eclipse.xtend.lib.annotations.Accessors
import org.eclipse.xtend.lib.annotations.FinalFieldsConstructor
/**
* @author kosyakov - Initial contribution and API
*/
@Accessors
@FinalFieldsConstructor
class DefaultBracePairProvider implements IBracePairProvider {
val Set<BracePair> pairs
new() {
this(#{
new BracePair("(", ")", false),
new BracePair("{", "}", true),
new BracePair("[", "]", false)
})
}
}

28
plugins/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/editor/bracketmatching/IBracePairProvider.xtend Normal file
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@ -0,0 +1,28 @@
/*******************************************************************************
* Copyright (c) 2015 itemis AG (http://www.itemis.eu) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.xtext.ide.editor.bracketmatching
import java.util.Set
/**
* <p>
* Provides a set of definitions for brace pairs that need to be matched when
* editing code.
* </p>
*
* @author kosyakov - Initial contribution and API
*/
interface IBracePairProvider {
/**
* Returns a set of definitions for brace pairs that need to be matched when
* editing code.
*/
def Set<BracePair> getPairs()
}

22
plugins/org.eclipse.xtext.ide/src/org/eclipse/xtext/ide/editor/bracketmatching/XtextBracePairProvider.xtend Normal file
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@ -0,0 +1,22 @@
/*******************************************************************************
* Copyright (c) 2015 itemis AG (http://www.itemis.eu) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.xtext.ide.editor.bracketmatching
/**
* @author kosyakov - Initial contribution and API
*/
class XtextBracePairProvider extends DefaultBracePairProvider {
new() {
super(#{
new BracePair(":", ";", true),
new BracePair("(", ")", false),
new BracePair("{", "}", true),
new BracePair("[", "]", false)
})
}
}