1 files changed, 60 insertions, 0 deletions
diff --git a/plugins/org.eclipse.dltk.sh.ui/src/org/eclipse/dltk/sh/ui/text/ShellPartitionScanner.java b/plugins/org.eclipse.dltk.sh.ui/src/org/eclipse/dltk/sh/ui/text/ShellPartitionScanner.java
new file mode 100644
index 0000000..d3be4aa
--- /dev/null
+++ b/plugins/org.eclipse.dltk.sh.ui/src/org/eclipse/dltk/sh/ui/text/ShellPartitionScanner.java
@@ -0,0 +1,60 @@
+/*******************************************************************************
+ * Copyright (c) 2009 Red Hat Inc. 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
+ *
+ * Contributors:
+ *     Alexander Kurtakov - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.dltk.sh.ui.text;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.jface.text.rules.EndOfLineRule;
+import org.eclipse.jface.text.rules.IPredicateRule;
+import org.eclipse.jface.text.rules.IRule;
+import org.eclipse.jface.text.rules.RuleBasedPartitionScanner;
+import org.eclipse.jface.text.rules.SingleLineRule;
+import org.eclipse.jface.text.rules.Token;
+
+public class ShellPartitionScanner extends RuleBasedPartitionScanner {
+
+	public ShellPartitionScanner() {
+		super();
+
+		List<IRule> rules = new ArrayList<>();
+		// Add rule for single line comments.
+		rules.add(new EndOfLineRule("#!", new Token(IShellPartitions.HASHBANG_CONTENT_TYPE)));
+		/*
+		 * There are 2 comment rules in order to correctly support # in
+		 * variables.
+		 */
+		// This rule recognizes only comments starting from the beginning of
+		// line.
+		EndOfLineRule commentRule = new EndOfLineRule("#", new Token(IShellPartitions.COMMENT_CONTENT_TYPE));
+		commentRule.setColumnConstraint(0);
+		rules.add(commentRule);
+		// This rule recognizes only comments which has space in front of it
+		commentRule = new EndOfLineRule(" #", new Token(IShellPartitions.COMMENT_CONTENT_TYPE));
+		rules.add(commentRule);
+		commentRule = new EndOfLineRule("\t#", new Token(IShellPartitions.COMMENT_CONTENT_TYPE));
+		rules.add(commentRule);
+
+		rules.add(new DollarBraceCountingRule('(', ')', new Token(IShellPartitions.EVAL_CONTENT_TYPE), '\\'));
+		rules.add(new DollarBraceCountingRule('{', '}', new Token(IShellPartitions.PARAM_CONTENT_TYPE), '\\'));
+		rules.add(new SingleLineRule("`", "`", new Token(IShellPartitions.EVAL_CONTENT_TYPE), '\\', false, true));
+		rules.add(new SingleLineRule("\"", "\"", new Token(IShellPartitions.DOUBLE_QUOTE_CONTENT_TYPE), '\\', false,
+				true));
+		rules.add(
+				new SingleLineRule("'", "'", new Token(IShellPartitions.SINGLE_QUOTE_CONTENT_TYPE), '\\', false, true));
+
+		IPredicateRule[] result = new IPredicateRule[rules.size()];
+		rules.toArray(result);
+		setPredicateRules(result);
+	}
+
+}