Formatting: tabs -> spaces

src/main/java/edu/kit/typicalc/model/term/TermVisitorTree.java

@@ -11,12 +11,13 @@ public interface TermVisitorTree {
      * Returns an {@link edu.kit.typicalc.model.step.AppStep} suiting the given application (lambda term)
      * to type-infer and the type assumptions to consider.
      * Simultaneously assembles the tree's constraint list.
+     *
      * @param appTerm the application (lambda term) to build the inference step structure for,
-     * 					i.e. the lambda term in the conclusion of the returned inference step
+     * i.e. the lambda term in the conclusion of the returned inference step
      * @param typeAssumptions the type assumptions to consider,
-     * 					i.e. the type assumptions in the conclusion of the returned inference step
+     * i.e. the type assumptions in the conclusion of the returned inference step
      * @param conclusionType the type that the lambda term in the conclusion
-     * 					of the returned inference step will be assigned
+     * of the returned inference step will be assigned
      * @return an {@link edu.kit.typicalc.model.step.AppStep}
      */
     InferenceStep visit(AppTerm appTerm, Map<VarTerm, TypeAbstraction> typeAssumptions, Type conclusionType);
@@ -25,12 +26,13 @@ public interface TermVisitorTree {
      * Returns an {@link edu.kit.typicalc.model.step.AbsStep} suiting the given abstraction (lambda term)
      * to type-infer and the type assumptions to consider.
      * Simultaneously assembles the tree's constraint list.
+     *
      * @param absTerm the abstraction (lambda term) to build the inference step structure for,
-     * 					i.e. the lambda term in the conclusion of the returned inference step
+     * i.e. the lambda term in the conclusion of the returned inference step
      * @param typeAssumptions the type assumptions to consider,
-     * 					i.e. the type assumptions in the conclusion of the returned inference step
+     * i.e. the type assumptions in the conclusion of the returned inference step
      * @param conclusionType the type that the lambda term in the conclusion
-     * 					of the returned inference step will be assigned
+     * of the returned inference step will be assigned
      * @return an {@link edu.kit.typicalc.model.step.AbsStep}
      */
     InferenceStep visit(AbsTerm absTerm, Map<VarTerm, TypeAbstraction> typeAssumptions, Type conclusionType);
@@ -39,12 +41,13 @@ public interface TermVisitorTree {
      * Returns an {@link edu.kit.typicalc.model.step.LetStep} suiting the given let expression (lambda term)
      * to type-infer and the type assumptions to consider.
      * Simultaneously assembles the tree's constraint list.
+     *
      * @param letTerm the let expression (lambda term) to build the inference step structure for,
-     * 					i.e. the lambda term in the conclusion of the returned inference step
+     * i.e. the lambda term in the conclusion of the returned inference step
      * @param typeAssumptions the type assumptions to consider,
-     * 					i.e. the type assumptions in the conclusion of the returned inference step
+     * i.e. the type assumptions in the conclusion of the returned inference step
      * @param conclusionType the type that the lambda term in the conclusion
-     * 					of the returned inference step will be assigned
+     * of the returned inference step will be assigned
      * @return an {@link edu.kit.typicalc.model.step.LetStep}
      */
     InferenceStep visit(LetTerm letTerm, Map<VarTerm, TypeAbstraction> typeAssumptions, Type conclusionType);
@@ -53,12 +56,13 @@ public interface TermVisitorTree {
      * Returns an {@link edu.kit.typicalc.model.step.ConstStep} suiting the given constant
      * to type-infer and the type assumptions to consider.
      * Simultaneously assembles the tree's constraint list.
+     *
      * @param constTerm the constant to build the inference step structure for,
-     * 					i.e. the lambda term in the conclusion of the returned inference step
+     * i.e. the lambda term in the conclusion of the returned inference step
      * @param typeAssumptions the type assumptions to consider,
-     * 					i.e. the type assumptions in the conclusion of the returned inference step
+     * i.e. the type assumptions in the conclusion of the returned inference step
      * @param conclusionType the type that the lambda term in the conclusion
-     * 					of the returned inference step will be assigned
+     * of the returned inference step will be assigned
      * @return an {@link edu.kit.typicalc.model.step.ConstStep}
      */
     InferenceStep visit(ConstTerm constTerm, Map<VarTerm, TypeAbstraction> typeAssumptions, Type conclusionType);
@@ -67,12 +71,13 @@ public interface TermVisitorTree {
      * Returns an {@link edu.kit.typicalc.model.step.VarStep} suiting the given variable (lambda term)
      * to type-infer and the type assumptions to consider.
      * Simultaneously assembles the tree's constraint list.
+     *
      * @param varTerm the variable (lambda term) to build the inference step structure for,
-     * 					i.e. the lambda term in the conclusion of the returned inference step
+     * i.e. the lambda term in the conclusion of the returned inference step
      * @param typeAssumptions the type assumptions to consider,
-     * 					i.e. the type assumptions in the conclusion of the returned inference step
+     * i.e. the type assumptions in the conclusion of the returned inference step
      * @param conclusionType the type that the lambda term in the conclusion
-     * 					of the returned inference step will be assigned
+     * of the returned inference step will be assigned
      * @return an {@link edu.kit.typicalc.model.step.VarStep}
      */
     InferenceStep visit(VarTerm varTerm, Map<VarTerm, TypeAbstraction> typeAssumptions, Type conclusionType)

src/main/java/edu/kit/typicalc/model/type/NamedType.java

@@ -9,121 +9,121 @@ import java.util.Objects;
  * Models a simple named type.
  */
 public class NamedType extends Type {
-	/**
-	 * boolean type
-	 */
-	public static final NamedType BOOLEAN = new NamedType("boolean");
-	/**
-	 * int type
-	 */
-	public static final NamedType INT = new NamedType("int");
+    /**
+     * boolean type
+     */
+    public static final NamedType BOOLEAN = new NamedType("boolean");
+    /**
+     * int type
+     */
+    public static final NamedType INT = new NamedType("int");
 
-	private final String name;
+    private final String name;
 
-	/**
-	 * Initializes a new NamedType with the given name.
-	 * @param name the name of this type
-	 */
-	public NamedType(String name) {
-		this.name = name;
-	}
+    /**
+     * Initializes a new NamedType with the given name.
+     * @param name the name of this type
+     */
+    public NamedType(String name) {
+        this.name = name;
+    }
 
-	/**
-	 * Returns the name of the named type.
-	 * @return the name of this type
-	 */
-	public String getName() {
-		return name;
-	}
+    /**
+     * Returns the name of the named type.
+     * @return the name of this type
+     */
+    public String getName() {
+        return name;
+    }
 
-	/**
-	 * Checks whether some type occurs in this type.
-	 * @param x the type to look for
-	 * @return whether the specified type is equal to this type
-	 */
-	public boolean contains(Type x) {
-		return this.equals(x);
-	}
+    /**
+     * Checks whether some type occurs in this type.
+     * @param x the type to look for
+     * @return whether the specified type is equal to this type
+     */
+    public boolean contains(Type x) {
+        return this.equals(x);
+    }
 
-	/**
-	 * Substitutes a type variable for a different type.
-	 * @param a the type to replace
-	 * @param b the type to insert
-	 * @return itself, or b if a is equal to this object
-	 */
-	@Override
-	public Type substitute(TypeVariable a, Type b) {
-		return this;
-	}
+    /**
+     * Substitutes a type variable for a different type.
+     * @param a the type to replace
+     * @param b the type to insert
+     * @return itself, or b if a is equal to this object
+     */
+    @Override
+    public Type substitute(TypeVariable a, Type b) {
+        return this;
+    }
 
-	/**
-	 * Accepts a visitor.
-	 * @param typeVisitor the visitor that wants to visit this
-	 */
-	@Override
-	public void accept(TypeVisitor typeVisitor) {
-		typeVisitor.visit(this);
-	}
+    /**
+     * Accepts a visitor.
+     * @param typeVisitor the visitor that wants to visit this
+     */
+    @Override
+    public void accept(TypeVisitor typeVisitor) {
+        typeVisitor.visit(this);
+    }
 
-	/**
-	 * Computes the necessary constraints (and substitution) to unify this type with
-	 * another. This method uses the constrainEqualToNamedType method on the other
-	 * type.
-	 * @param type  the other type
-	 * @return unification steps necessary, or an error if that is impossible
-	 */
-	@Override
-	public Result<UnificationActions, UnificationError> constrainEqualTo(Type type) {
-		return type.constrainEqualToNamedType(this);
-	}
+    /**
+     * Computes the necessary constraints (and substitution) to unify this type with
+     * another. This method uses the constrainEqualToNamedType method on the other
+     * type.
+     * @param type  the other type
+     * @return unification steps necessary, or an error if that is impossible
+     */
+    @Override
+    public Result<UnificationActions, UnificationError> constrainEqualTo(Type type) {
+        return type.constrainEqualToNamedType(this);
+    }
 
-	/**
-	 * Computes the necessary constraints (and substitution) to unify this type with a
-	 * function type.
-	 * @param type the function type
-	 * @return unification steps necessary, or an error if that is impossible
-	 */
-	@Override
-	public Result<UnificationActions, UnificationError> constrainEqualToFunction(FunctionType type) {
-		return UnificationUtil.functionNamed(type, this);
-	}
+    /**
+     * Computes the necessary constraints (and substitution) to unify this type with a
+     * function type.
+     * @param type the function type
+     * @return unification steps necessary, or an error if that is impossible
+     */
+    @Override
+    public Result<UnificationActions, UnificationError> constrainEqualToFunction(FunctionType type) {
+        return UnificationUtil.functionNamed(type, this);
+    }
 
-	/**
-	 * Computes the necessary constraints (and substitution) to unify this type with a
-	 * named type.
-	 * @param type the named type
-	 * @return unification steps necessary, or an error if that is impossible
-	 */
-	@Override
-	public Result<UnificationActions, UnificationError> constrainEqualToNamedType(NamedType type) {
-		return UnificationUtil.namedNamed(this, type);
-	}
+    /**
+     * Computes the necessary constraints (and substitution) to unify this type with a
+     * named type.
+     * @param type the named type
+     * @return unification steps necessary, or an error if that is impossible
+     */
+    @Override
+    public Result<UnificationActions, UnificationError> constrainEqualToNamedType(NamedType type) {
+        return UnificationUtil.namedNamed(this, type);
+    }
 
-	/**
-	 * Computes the necessary constraints (and substitution) to unify this type with a
-	 * type variable.
-	 * @param type the type variable
-	 * @return the unification steps necessary, or an error if that is impossible
-	 */
-	@Override
-	public Result<UnificationActions, UnificationError> constrainEqualToVariable(TypeVariable type) {
-		return UnificationUtil.variableNamed(type, this);
-	}
+    /**
+     * Computes the necessary constraints (and substitution) to unify this type with a
+     * type variable.
+     * @param type the type variable
+     * @return the unification steps necessary, or an error if that is impossible
+     */
+    @Override
+    public Result<UnificationActions, UnificationError> constrainEqualToVariable(TypeVariable type) {
+        return UnificationUtil.variableNamed(type, this);
+    }
 
-	@Override
-	public boolean equals(Object o) {
-		if (this == o) {
-			return true;
-		}
-		if (o == null || getClass() != o.getClass()) {
-			return false;
-		}
-		NamedType namedType = (NamedType) o;
-		return Objects.equals(name, namedType.name);
-	}
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        NamedType namedType = (NamedType) o;
+        return Objects.equals(name, namedType.name);
+    }
 
-	@Override
-	public int hashCode() {
-		return Objects.hash(name);
-	}
+    @Override
+    public int hashCode() {
+        return Objects.hash(name);
+    }
 }

src/main/java/edu/kit/typicalc/model/type/TypeVisitor.java

@@ -4,21 +4,21 @@ package edu.kit.typicalc.model.type;
  * Can be implemented to process Type objects.
  */
 public interface TypeVisitor {
-	/**
-	 * Visit a named type.
-	 * @param named the type to be visited
-	 */
-	void visit(NamedType named);
+    /**
+     * Visit a named type.
+     * @param named the type to be visited
+     */
+    void visit(NamedType named);
 
-	/**
-	 * Visit a type variable
-	 * @param variable the variable to be visited
-	 */
-	void visit(TypeVariable variable);
+    /**
+     * Visit a type variable
+     * @param variable the variable to be visited
+     */
+    void visit(TypeVariable variable);
 
-	/**
-	 * Visit a function.
-	 * @param function the function to be visited
-	 */
-	void visit(FunctionType function);
+    /**
+     * Visit a function.
+     * @param function the function to be visited
+     */
+    void visit(FunctionType function);
 }

src/main/java/edu/kit/typicalc/view/main/DrawerContent.java

@@ -10,16 +10,16 @@ import com.vaadin.flow.i18n.LocaleChangeObserver;
 public class DrawerContent extends VerticalLayout implements LocaleChangeObserver {
 
     private static final long serialVersionUID = -5751275682270653335L;
-    
+
     /*
-     * Id's for the imported css-file
+     * IDs for the imported CSS file
      */
     private static final String RULE_CONTAINER_ID = "ruleContainer";
     private static final String DRAWER_CONTENT_ID = "drawerContent";
 
     private final H3 heading;
     private final VerticalLayout ruleContainer;
-    
+
     public DrawerContent() {
         heading = new H3(getTranslation("root.inferenceRules"));
         ruleContainer = new VerticalLayout();
@@ -28,18 +28,18 @@ public class DrawerContent extends VerticalLayout implements LocaleChangeObserve
         add(heading, ruleContainer);
         setId(DRAWER_CONTENT_ID);
     }
-    
+
     private void initRuleContainer() {
-	//TODO just demo content, exchange with correct rules
-	ruleContainer.add(new InferenceRuleField(getTranslation("abs-rule"), "root.absRule"));
-	ruleContainer.add(new InferenceRuleField(getTranslation("abs-rule"), "root.absRule"));
-	ruleContainer.add(new InferenceRuleField(getTranslation("abs-rule"), "root.absRule"));
-	ruleContainer.add(new InferenceRuleField(getTranslation("abs-rule"), "root.absRule"));
-	ruleContainer.add(new InferenceRuleField(getTranslation("abs-rule"), "root.absRule"));
+        //TODO just demo content, exchange with correct rules
+        ruleContainer.add(new InferenceRuleField(getTranslation("abs-rule"), "root.absRule"));
+        ruleContainer.add(new InferenceRuleField(getTranslation("abs-rule"), "root.absRule"));
+        ruleContainer.add(new InferenceRuleField(getTranslation("abs-rule"), "root.absRule"));
+        ruleContainer.add(new InferenceRuleField(getTranslation("abs-rule"), "root.absRule"));
+        ruleContainer.add(new InferenceRuleField(getTranslation("abs-rule"), "root.absRule"));
     }
 
     @Override
     public void localeChange(LocaleChangeEvent event) {
-	heading.setText(getTranslation("root.inferenceRules"));
+        heading.setText(getTranslation("root.inferenceRules"));
     }
 }

src/main/java/edu/kit/typicalc/view/main/HelpDialog.java

@@ -11,34 +11,33 @@ import com.vaadin.flow.i18n.LocaleChangeObserver;
 
 @CssImport("./styles/view/main/help-dialog.css")
 public class HelpDialog extends Dialog implements LocaleChangeObserver {
-
     private static final long serialVersionUID = 4470277770276296164L;
-    
+
     /*
-     * Id's for the imported css-file
+     * IDs for the imported CSS file
      */
     private static final String HEADING_LAYOUT_ID = "headingLayout";
     private static final String CONTENT_LAYOUT_ID = "contentLayout";
-    
+
     private final H3 heading;
     private final H5 inputSyntax;
-    
+
     public HelpDialog() {
-	final HorizontalLayout headingLayout = new HorizontalLayout();
-	heading = new H3(getTranslation("root.operatingHelp"));
-	headingLayout.setId(HEADING_LAYOUT_ID);
-	headingLayout.add(heading);
-	
-	final VerticalLayout contentLayout = new VerticalLayout();
-	inputSyntax = new H5(getTranslation("root.inputSyntax"));
-	contentLayout.setId(CONTENT_LAYOUT_ID);
-	contentLayout.add(inputSyntax);
-	add(headingLayout, contentLayout);
+        final HorizontalLayout headingLayout = new HorizontalLayout();
+        heading = new H3(getTranslation("root.operatingHelp"));
+        headingLayout.setId(HEADING_LAYOUT_ID);
+        headingLayout.add(heading);
+
+        final VerticalLayout contentLayout = new VerticalLayout();
+        inputSyntax = new H5(getTranslation("root.inputSyntax"));
+        contentLayout.setId(CONTENT_LAYOUT_ID);
+        contentLayout.add(inputSyntax);
+        add(headingLayout, contentLayout);
     }
 
     @Override
     public void localeChange(LocaleChangeEvent event) {
-	heading.setText(getTranslation("root.operatingHelp"));
-	inputSyntax.setText(getTranslation("root.inputSyntax"));
+        heading.setText(getTranslation("root.operatingHelp"));
+        inputSyntax.setText(getTranslation("root.inputSyntax"));
     }
 }

src/main/java/edu/kit/typicalc/view/main/InputBar.java

@@ -24,15 +24,14 @@ import com.vaadin.flow.i18n.LocaleChangeObserver;
  */
 @CssImport("./styles/view/main/input-bar.css")
 public class InputBar extends HorizontalLayout implements LocaleChangeObserver {
-
     private static final long serialVersionUID = -6099700300418752958L;
-   
+
     /*
      * Id's for the imported css-file
      */
     private static final String INPUT_FIELD_ID = "inputField";
     private static final String INPUT_BAR_ID = "inputBar";
-    
+
     private final Tooltip infoTooltip;
     private final Icon infoIcon;
     private final Button exampleButton;
@@ -42,17 +41,17 @@ public class InputBar extends HorizontalLayout implements LocaleChangeObserver {
 
     /**
      * Creates an InputBar with a Consumer-object to call the inferType()-method in UpperBar.
-     *  The current user input is passed as the methods argument.
+     * The current user input is passed as the methods argument.
      *
      * @param callback Consumer to call the inferType()-method in UpperBar
      */
     protected InputBar(final Consumer<String> callback) {
-        infoIcon =  new Icon(VaadinIcon.INFO_CIRCLE);
+        infoIcon = new Icon(VaadinIcon.INFO_CIRCLE);
         // TODO: where is this tooltip supposed to show up? next to icon, currently not working
         infoTooltip = new Tooltip(infoIcon, TooltipPosition.LEFT, TooltipAlignment.LEFT);
         infoTooltip.add(new H5("Hallo"));
         initInfoTooltip();
-        
+
         inputField = new TextField();
         inputField.setId(INPUT_FIELD_ID);
         inputField.setClearButtonVisible(true);
@@ -93,7 +92,7 @@ public class InputBar extends HorizontalLayout implements LocaleChangeObserver {
     }
 
     private void initInfoTooltip() {
-	infoTooltip.add(new H5("Hallo"));
+        infoTooltip.add(new H5("Hallo"));
     }
 
     @Override

src/main/java/edu/kit/typicalc/view/main/MainViewImpl.java

@@ -20,7 +20,7 @@ import edu.kit.typicalc.view.content.typeinferencecontent.TypeInferenceView;
 
 /**
  * Contains all the displayed components and builds the applications user interface (UI).
- * Vaadins app layout provides the rough structure of the UI. Using this structure the UI always
+ * Vaadin's app layout provides the rough structure of the UI. Using this structure the UI always
  * consists of an upper bar at the top of the screen and a drawer on the left side of
  * the screen.
  */
@@ -28,7 +28,6 @@ import edu.kit.typicalc.view.content.typeinferencecontent.TypeInferenceView;
 @JsModule("./styles/shared-styles.js")
 @JavaScript("./src/tex-svg-full.js")
 public class MainViewImpl extends AppLayout implements MainView {
-
     private static final long serialVersionUID = -2411433187835906976L;
 
     /**
@@ -48,8 +47,8 @@ public class MainViewImpl extends AppLayout implements MainView {
 
     @Override
     public void displayError(final ParseError error) {
-	//TODO add error keys to bundle
-	final VerticalLayout container = new VerticalLayout();
+        //TODO add error keys to bundle
+        final VerticalLayout container = new VerticalLayout();
         final Span errorText = new Span(getTranslation("root." + error.toString()));
         final Notification errorNotification = new Notification();
         final Button closeButton = new Button(getTranslation("root.close"), event -> errorNotification.close());