From 6d701ab62e978e24e575db256654763d5b1ebdc0 Mon Sep 17 00:00:00 2001
From: Daniel Pressnitz <daniel.pressnitz@ssi-schaefer.com>
Date: Thu, 1 Aug 2024 13:49:13 +0200
Subject: [PATCH] fix freezing of eclipse when typing '${...}' in working-dir

Fixes #81
---
 .../launching/validation/LcDslValidator.xtend | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/com.wamas.ide.launching/src/com/wamas/ide/launching/validation/LcDslValidator.xtend b/com.wamas.ide.launching/src/com/wamas/ide/launching/validation/LcDslValidator.xtend
index 95c9824..658758f 100644
--- a/com.wamas.ide.launching/src/com/wamas/ide/launching/validation/LcDslValidator.xtend
+++ b/com.wamas.ide.launching/src/com/wamas/ide/launching/validation/LcDslValidator.xtend
@@ -45,6 +45,7 @@ import org.eclipse.xtext.validation.Check
 
 import static com.wamas.ide.launching.lcDsl.LaunchConfigType.*
 import org.eclipse.jdt.core.IType
+import java.util.regex.Pattern
 
 /**
  * This class contains custom validation rules. 
@@ -325,8 +326,18 @@ class LcDslValidator extends AbstractLcDslValidator {
 	@Check
 	def checkPathExists(ExistingPath p) {
 		try {
+			val value = p.name.value
+			if(value.blank){
+				warning("No path entered", p, LC.path_Name)
+				return
+			}
+			
+			if(containsVariablePattern(value)){
+				return
+			}
+			
 			val x = p.name.expanded
-			val f = new File(x);
+			val f = new File(x)
 			if (!f.exists) {
 				warning("Path " + x + " does not exist", p, LC.path_Name)
 			}
@@ -334,6 +345,12 @@ class LcDslValidator extends AbstractLcDslValidator {
 			warning(e.message, LC.path_Name)
 		}
 	}
+	
+	def containsVariablePattern(String value) {
+        val pattern = '\\$\\{([^}]+)\\}'
+        val matcher = Pattern.compile(pattern).matcher(value)        
+        return matcher.find ? true : false
+    }
 
 	@Check
 	def checkTestContainer(LaunchConfig cfg) {