added Matcher to VariableAssigmentWindow

ui/src/main/java/edu/kit/iti/formal/psdbg/gui/controller/DebuggerMain.java

@@ -183,6 +183,12 @@ public class DebuggerMain implements Initializable {
 
     @Subscribe
     public void handle(Events.ShowPostMortem spm) {
+        //No script executed yet
+        if (model.getDebuggerFramework() == null) {
+            Utils.showInfoDialog("No post mortem", "Can't show post mortem", "Please execute a script first.");
+            return;
+        }
+
         FindNearestASTNode fna = new FindNearestASTNode(spm.getPosition());
         List<PTreeNode<KeyData>> result =
                 model.getDebuggerFramework().getPtreeManager().getNodes()

ui/src/main/java/edu/kit/iti/formal/psdbg/gui/controls/VariableAssignmentWindow.java

@@ -5,6 +5,7 @@ import edu.kit.iti.formal.psdbg.gui.controls.Utils;
 import edu.kit.iti.formal.psdbg.gui.model.InspectionModel;
 import edu.kit.iti.formal.psdbg.interpreter.assignhook.DefaultAssignmentHook;
 import edu.kit.iti.formal.psdbg.interpreter.data.VariableAssignment;
+import edu.kit.iti.formal.psdbg.interpreter.matcher.KeyMatcherFacade;
 import edu.kit.iti.formal.psdbg.parser.ast.Variable;
 import edu.kit.iti.formal.psdbg.parser.types.Type;
 import javafx.beans.Observable;
@@ -12,26 +13,30 @@ import javafx.beans.property.SimpleStringProperty;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
-import javafx.scene.control.TabPane;
-import javafx.scene.control.TableColumn;
-import javafx.scene.control.TableView;
+import javafx.scene.control.*;
 import javafx.scene.control.cell.PropertyValueFactory;
 import javafx.scene.layout.BorderPane;
 import lombok.Getter;
 import lombok.Setter;
 
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Map;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+import java.util.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 
-public class VariableAssignmentWindow extends TabPane {
+public class VariableAssignmentWindow extends BorderPane {
     @FXML
     TableView declarative_tableView;
-
     @FXML
     TableView special_tableView;
 
+    @FXML
+    TextArea match_variables;
+
+    private VariableAssignment assignment;
 
     /** Non special Variables that don't start with __ **/
     private ObservableList<VariableModel> declarativeModel;
@@ -39,8 +44,18 @@ public class VariableAssignmentWindow extends TabPane {
     /** Variables that start with __ **/
     private ObservableList<VariableModel> specialModel;
 
+    private String numeric_matchexp;
+    private String var; //var in numeric_matchexp
+
+    private ScriptEngineManager mgr = new ScriptEngineManager();
+    private ScriptEngine engine = mgr.getEngineByName("JavaScript");
+
+    private List<VariableModel> matchlist_declarative = new ArrayList<>();
+    private List<VariableModel> matchlist_special = new ArrayList<>();
+
     public VariableAssignmentWindow(VariableAssignment assignment) {
 
+        //TODO: reduce size of constructor
         Utils.createWithFXML(this);
 
         if (assignment != null) {
@@ -96,11 +111,28 @@ public class VariableAssignmentWindow extends TabPane {
         special_tableView.setItems(specialModel);
         special_tableView.getColumns().addAll(spec_varCol, spec_typeCol, spec_valCol);
 
-        // TODO: set css for TableView
-
-        //declarative_tableView.getStyleClass().add("table_view");
-
+        //Row factory added
+        declarative_tableView.setRowFactory(tv -> new TableRow<VariableModel>() {
+            @Override
+            protected void updateItem(VariableModel vm, boolean empty) {
+                if (vm != null && matchlist_declarative != null && matchlist_declarative.contains(vm)) {
+                    setStyle("-fx-background-color: lightgreen;");
+                } else {
+                    setStyle("-fx-background-color: white;");
+                }
+            }
+        });
 
+        special_tableView.setRowFactory(tv -> new TableRow<VariableModel>() {
+            @Override
+            protected void updateItem(VariableModel vm, boolean empty) {
+                if (vm != null && matchlist_special != null && matchlist_special.contains(vm)) {
+                    setStyle("-fx-background-color: lightgreen;");
+                } else {
+                    setStyle("-fx-background-color: white;");
+                }
+            }
+        });
 }
 
     /**
@@ -134,6 +166,112 @@ public class VariableAssignmentWindow extends TabPane {
         specialModel = special_varmodel;
     }
 
+    @FXML
+    /**
+     * Match variables to expression in  TextArea match_variables
+     */
+    private void startMatch() {
+        clearHighlights();
+        numeric_matchexp = match_variables.getText();
+        if (numeric_matchexp.equals("")) return;
+
+        var = getVariable(numeric_matchexp);
+        if (var.equals("")) {
+            Utils.showInfoDialog("Variable not found", "Explicit variable not found",
+                    "Please declare exactly one variable starting with \"?\". ");
+            return;
+        }
+
+        matchlist_declarative = getVariableMatches(declarativeModel);
+        matchlist_special = getVariableMatches(specialModel);
+
+        highlight(matchlist_declarative);
+        highlight(matchlist_special);
+
+        //TODO: remove following after testing
+        if (matchlist_declarative != null)
+            System.out.println("matchlist_declarative = " + matchlist_declarative.size());
+        if (matchlist_special != null) System.out.println("matchlist_special = " + matchlist_special.size());
+    }
+
+    /**
+     * Highlight all varlist items in the view
+     *
+     * @param varlist
+     */
+    private void highlight(List<VariableModel> varlist) {
+        if (varlist == null) return;
+        declarative_tableView.refresh();
+        special_tableView.refresh();
+    }
+
+    /**
+     * Clear all highlights
+     */
+    private void clearHighlights() {
+        matchlist_declarative = new ArrayList<>();
+        matchlist_special = new ArrayList<>();
+
+        declarative_tableView.refresh();
+        special_tableView.refresh();
+    }
+
+    /**
+     * Extracts variable from given string, though only 1 variable is possibla
+     *
+     * @param expression string to extract variable
+     * @return variable starting with ? only if there's only 1 match, else ""
+     */
+    private String getVariable(String expression) {
+        Pattern pattern = Pattern.compile("\\?\\w+");
+        Matcher matcher = pattern.matcher(expression);
+
+        List<String> variables_matches = new ArrayList<>();
+        while (matcher.find()) {
+            if (!variables_matches.contains(matcher.group())) {
+                variables_matches.add(matcher.group());
+            }
+        }
+
+        //if there are multiple variables return null
+        if (variables_matches.size() != 1) {
+            return "";
+        }
+        return variables_matches.get(0);
+    }
+
+    /**
+     * Calculate matching results of matchexpression with given list
+     *
+     * @param varlist
+     * @return list of matching VariableModels
+     */
+    private List<VariableModel> getVariableMatches(ObservableList<VariableModel> varlist) {
+        //Contains numbers
+        if (!Pattern.compile("[0-9]+").matcher(numeric_matchexp).find()) return null;
+
+        List<VariableModel> matchlist = new ArrayList<>();
+
+        //append with \\ to escape '?' of variable declaration -> e.g.: \\?X
+        String new_var = "\\" + var;
+
+        for (VariableModel vm : varlist) {
+            String boolexpression = numeric_matchexp.replaceAll(new_var, vm.getVarval());
+            try {
+                if (vm.getVartype().equals("int")) {
+                    if ((Boolean) engine.eval(boolexpression.toLowerCase())) {
+                        matchlist.add(vm);
+                    }
+                }
+            } catch (ScriptException e) {
+                continue;
+            }
+        }
+
+        return matchlist;
+    }
+
+
     public static class VariableModel {
         @Getter
         private final String varname;

ui/src/main/resources/edu/kit/iti/formal/psdbg/examples/contraposition/script.kps

@@ -12,7 +12,7 @@ script full(){
 }
 
 
-script full(){
+script full2(){
   impRight;
   impRight;
   impLeft;

ui/src/main/resources/edu/kit/iti/formal/psdbg/gui/controls/ScriptAreaContextMenu.fxml

@@ -7,9 +7,9 @@
          xmlns="http://javafx.com/javafx"
          xmlns:fx="http://javafx.com/fxml" >
 <items>
-    <MenuItem text="Show post mortem" onAction="#showPostMortem"/>
-    <SeparatorMenuItem/>
     <MenuItem text="Set Main Script" onAction="#setMainScript"/>
+    <SeparatorMenuItem/>
+    <MenuItem text="Show post mortem" onAction="#showPostMortem"/>
     <!--<MenuItem text="Set Execution Marker" onAction="#setExecutionMarker" accelerator="Ctrl+m"/>
     -->
 </items>

ui/src/main/resources/edu/kit/iti/formal/psdbg/gui/controls/VariableAssignmentWindow.fxml

@@ -3,17 +3,39 @@
 
 <?import javafx.scene.control.*?>
 
+<?import javafx.scene.layout.BorderPane?>
 <fx:root xmlns="http://javafx.com/javafx"
          xmlns:fx="http://javafx.com/fxml"
          type="edu.kit.iti.formal.psdbg.gui.controls.VariableAssignmentWindow"
          prefHeight="400.0" prefWidth="600.0">
+    <top>
+        <BorderPane>
+            <top>
+                <Label text="Match Variables"></Label>
+            </top>
+            <center>
+                <TextArea fx:id="match_variables" minHeight="0.0" minWidth="0.0" prefHeight="30.0"
+                          prefWidth="639.0"
+                />
+            </center>
+            <bottom>
+                <Button mnemonicParsing="false" text="Start Matching"
+                        onMouseClicked="#startMatch"/>
+            </bottom>
+        </BorderPane>
+    </top>
+    <center>
+        <TabPane>
             <tabs>
                 <Tab text="Script Variables">
-            <TableView fx:id="declarative_tableView" ></TableView>
+                    <TableView fx:id="declarative_tableView"></TableView>
                 </Tab>
                 <Tab text="KeY Control Variables">
                     <TableView fx:id="special_tableView"></TableView>
                 </Tab>
             </tabs>
+        </TabPane>
+    </center>
+
 
 </fx:root>