fix CLI, add option --ast for scope4j

scope4j/build.gradle

@@ -140,6 +140,9 @@ jastadd {
 
 run {
     mainClassName = 'org.extendj.ScopeAnalysis'
+    if (project.hasProperty("appArgs")) {
+        args Eval.me(appArgs)
+    }
 }
 
 task preprocess(type: JavaExec) {

scope4m/build.gradle

@@ -105,6 +105,9 @@ jastadd {
 
 run {
     mainClassName = 'org.jmodelica.SimpleMain'
+    if (project.hasProperty("appArgs")) {
+        args Eval.me(appArgs)
+    }
 }
 
 task preprocess(type: JavaExec) {

scope4m/src/main/java/org/jmodelica/ScopeAnalysis.java

@@ -35,15 +35,16 @@ public class ScopeAnalysis {
     boolean debug = arguments.isEmpty() || arguments.remove("--debug");
     boolean tree = arguments.remove("--tree");
     boolean warnings = arguments.remove("--warnings");
+    boolean ast = arguments.remove("--ast");
 
     if (arguments.size() > 1) {
-      System.out.println("usage: ScopeAnalysis [--debug] [--tree] [--warnings] <directory with modelica files>");
+      System.out.println("usage: ScopeAnalysis [--debug] [--tree] [--warnings] [--ast] <directory with modelica files>");
       System.exit(-1);
     }
-    String path = arguments.isEmpty() ? "../testprograms/modelica/simple" : arguments.get(arguments.size() - 1);
+    String path = arguments.isEmpty() ? "../testprograms/modelica/simple" : arguments.get(0);
 
     if (debug) {
-      new ScopeAnalysis().analyze(path, tree, warnings);
+      new ScopeAnalysis().analyze(path, tree, warnings, ast);
     } else {
       new ScopeAnalysis().analyzeTimed(path);
     }
@@ -97,7 +98,7 @@ public class ScopeAnalysis {
   }
 
 
-  public Set<AbstractFinding> analyze(String path, boolean tree, boolean warnings) {
+  public Set<AbstractFinding> analyze(String path, boolean tree, boolean warnings, boolean ast) {
     try {
       List<String> files = Files.walk(Paths.get(path))
           .filter(Files::isRegularFile)
@@ -112,8 +113,9 @@ public class ScopeAnalysis {
 
       }
 
-      // TODO just temp debug output:
+      if (ast) {
         sourceRoot.printAST();
+      }
 
       if (warnings) {
         // TODO find out if there are compiler warnings in JModelica