local converter for local namespaces

lang/src/main/antlr/edu/kit/iti/formal/psdbg/parser/ScriptLanguage.g4

@@ -46,6 +46,7 @@ assignment
     |   variable=ID (COLON type=ID)? ASSIGN expression SEMICOLON
     ;
 
+
 expression
     :
       expression MUL expression #exprMultiplication
@@ -56,6 +57,7 @@ expression
     | expression AND expression   #exprAnd
     | expression OR expression    #exprOr
     | expression IMP expression   #exprIMP
+    | expression USING LBRACKET argList RBRACKET #namespaceset
     //|   expression EQUIV expression already covered by EQ/NEQ
     | expression LBRACKET substExpressionList RBRACKET #exprSubst
     | ID LPAREN  (expression (',' expression)*)? RPAREN  #function

lang/src/main/java/edu/kit/iti/formal/psdbg/parser/ASTTraversal.java

@@ -226,4 +226,11 @@ public interface ASTTraversal<T> extends Visitor<T> {
         relaxBlock.getBody().accept(this);
         return null;
     }
+
+    @Override
+    default T visit(NamespaceSetExpression nss) {
+        nss.getExpression().accept(this);
+        nss.getSignature().accept(this);
+        return null;
+    }
 }

lang/src/main/java/edu/kit/iti/formal/psdbg/parser/DefaultASTVisitor.java

@@ -176,5 +176,10 @@ public class DefaultASTVisitor<T> implements Visitor<T> {
     public T visit(RelaxBlock relaxBlock) {
         return defaultVisit(relaxBlock);
     }
+
+    @Override
+    public T visit(NamespaceSetExpression nss) {
+        return defaultVisit(nss);
+    }
 }
 

lang/src/main/java/edu/kit/iti/formal/psdbg/parser/TransformAst.java

@@ -244,6 +244,14 @@ public class TransformAst implements ScriptLanguageVisitor<Object> {
         return ctx.matchPattern().accept(this);
     }
 
+    @Override
+    public Object visitNamespaceset(ScriptLanguageParser.NamespacesetContext ctx) {
+        NamespaceSetExpression nse = new NamespaceSetExpression();
+        nse.setExpression((Expression) ctx.expression().accept(this));
+        nse.setSignature((Signature) ctx.argList().accept(this));
+        return nse;
+    }
+
     @Override
     public Object visitExprIMP(ScriptLanguageParser.ExprIMPContext ctx) {
         return createBinaryExpression(ctx, ctx.expression(), Operator.IMPLICATION);

lang/src/main/java/edu/kit/iti/formal/psdbg/parser/Visitor.java

@@ -90,4 +90,5 @@ public interface Visitor<T> {
 
     T visit(RelaxBlock relaxBlock);
 
+    T visit(NamespaceSetExpression nss);
 }

lang/src/main/java/edu/kit/iti/formal/psdbg/parser/ast/NamespaceSetExpression.java

+package edu.kit.iti.formal.psdbg.parser.ast;
+
+import edu.kit.iti.formal.psdbg.parser.NotWelldefinedException;
+import edu.kit.iti.formal.psdbg.parser.ScriptLanguageParser;
+import edu.kit.iti.formal.psdbg.parser.Visitor;
+import edu.kit.iti.formal.psdbg.parser.types.Type;
+import lombok.Getter;
+import lombok.Setter;
+
+public class NamespaceSetExpression extends Expression<ScriptLanguageParser.NamespacesetContext>{
+
+    @Getter @Setter
+    private Expression expression;
+
+    @Getter @Setter
+    private Signature signature = new Signature();
+
+    @Override
+    public <T> T accept(Visitor<T> visitor) {
+        return visitor.visit(this);
+    }
+
+    @Override
+    public boolean hasMatchExpression() {
+        return expression.hasMatchExpression();
+    }
+
+    @Override
+    public int getPrecedence() {
+        return 5;
+    }
+
+    @Override
+    public NamespaceSetExpression copy() {
+        NamespaceSetExpression nse = new NamespaceSetExpression();
+        nse.expression = expression.copy();
+        nse.signature = signature.copy();
+        return nse;
+    }
+
+    @Override
+    public Type getType(Signature signature) throws NotWelldefinedException {
+        return expression.getType(signature);
+    }
+}

lang/src/main/java/edu/kit/iti/formal/psdbg/parser/data/Value.java

@@ -2,6 +2,7 @@ package edu.kit.iti.formal.psdbg.parser.data;
 
 import edu.kit.iti.formal.psdbg.parser.ast.*;
 import edu.kit.iti.formal.psdbg.parser.types.SimpleType;
+import edu.kit.iti.formal.psdbg.parser.types.TermType;
 import edu.kit.iti.formal.psdbg.parser.types.Type;
 import edu.kit.iti.formal.psdbg.parser.types.TypeFacade;
 import lombok.Getter;

lang/src/main/java/edu/kit/iti/formal/psdbg/parser/types/SimpleType.java

@@ -23,27 +23,52 @@ package edu.kit.iti.formal.psdbg.parser.types;
  */
 
 
+import javax.annotation.Nullable;
+
 /**
  * Represents the possible types (including scriptVarTypes).
  * <p>
  * Created at 30.04.2017
- *
+ *     INT("\\term int"),
+ BOOL("\\term bool"),
+ ANY("\\term any"),
+ INT_ARRAY("\\term int[]"),
+ OBJECT("\\term Object"),
+ HEAP("\\term Heap"),
+ FIELD("\\term Field"),
+ LOCSET("\\term LocSet"),
+ FORMULA("\\formula"),
+ SEQ("\\term Seq");
  * @author Sarah Grebing
  */
 public enum SimpleType implements Type {
-    STRING("string"), ANY("any"),
-    PATTERN("pattern"),
-    INT("int"), BOOL("bool"), INT_ARRAY("int[]"), OBJECT("object"),
-    HEAP("heap"), FIELD("field"), LOCSET("locset"), NULL("null"), FORMULA("formula"), SEQ("Seq");
+    STRING("string", "string"),
+    //ANY("any", "any"),
+    PATTERN("pattern", null),
+    INT("int", "int"),
+    BOOL("bool", "bool"),
+    /*NULL("null", interpreterSort),
+    FORMULA("formula", interpreterSort),
+    SEQ("Seq", interpreterSort)*/;
+
 
     private final String symbol;
+    private @Nullable  final String interpreterSort;
 
-    SimpleType(String symbol) {
+    SimpleType(String symbol, @Nullable String interpreterSort) {
         this.symbol = symbol;
+        this.interpreterSort = interpreterSort;
     }
 
+
+
     @Override
     public String symbol() {
         return symbol;
     }
+
+    @Override
+    public String interpreterSort() {
+        return interpreterSort;
+    }
 }

lang/src/main/java/edu/kit/iti/formal/psdbg/parser/types/TermType.java

@@ -29,4 +29,8 @@ public class TermType implements Type {
                 + ">";
     }
 
+    @Override
+    public String interpreterSort() {
+        return argTypes.get(0).interpreterSort();
+    }
 }

lang/src/main/java/edu/kit/iti/formal/psdbg/parser/types/Type.java

@@ -6,4 +6,5 @@ package edu.kit.iti.formal.psdbg.parser.types;
  */
 public interface Type {
     String symbol();
+    String interpreterSort();
 }

rt-key/src/main/java/edu/kit/iti/formal/psdbg/ValueInjector.java

+package edu.kit.iti.formal.psdbg;
+
+import de.uka.ilkd.key.java.Services;
+import de.uka.ilkd.key.logic.*;
+import de.uka.ilkd.key.logic.sort.Sort;
+import de.uka.ilkd.key.macros.scripts.ProofScriptCommand;
+import de.uka.ilkd.key.macros.scripts.ScriptException;
+import de.uka.ilkd.key.macros.scripts.meta.*;
+import de.uka.ilkd.key.parser.DefaultTermParser;
+import de.uka.ilkd.key.parser.ParserException;
+import de.uka.ilkd.key.pp.AbbrevMap;
+import de.uka.ilkd.key.proof.Goal;
+import de.uka.ilkd.key.proof.Node;
+import de.uka.ilkd.key.proof.Proof;
+import edu.kit.iti.formal.psdbg.interpreter.data.TermValue;
+import jdk.nashorn.internal.objects.annotations.Getter;
+import jdk.nashorn.internal.objects.annotations.Setter;
+import lombok.RequiredArgsConstructor;
+import lombok.Value;
+import sun.security.jca.GetInstance;
+
+import java.io.StringReader;
+import java.lang.annotation.Retention;
+import java.lang.reflect.Method;
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author Alexander Weigl
+ * @version 1 (29.03.17)
+ */
+public class ValueInjector {
+    /**
+     * A default instance
+     *
+     * @see #getInstance()
+     */
+    private static ValueInjector instance;
+
+    /**
+     * A mapping between desired types and suitable @{@link StringConverter}.
+     * <p>
+     * Should be <pre>T --> StringConverter<T></pre>
+     */
+    private List<ConverterWrapper> converters = new ArrayList<>();
+
+
+    public static <T> T injection(ProofScriptCommand command, T obj, Map<String, Object> arguments)
+            throws ArgumentRequiredException, InjectionReflectionException,
+            NoSpecifiedConverterException, ConversionException {
+        return getInstance().inject(command, obj, arguments);
+    }
+
+    /**
+     * Returns the default instance of a {@link ValueInjector}
+     * Use with care. No multi-threading.
+     *
+     * @return a static reference to the default converter.
+     * @see #createDefault()
+     */
+    public static ValueInjector getInstance() {
+        if (instance == null) {
+            instance = createDefault();
+        }
+        return instance;
+    }
+
+    /**
+     * Returns a fresh instance of a {@link ValueInjector} with the support
+     * for basic primitive data types.
+     *
+     * @return a fresh instance
+     */
+    public static ValueInjector createDefault() {
+        ValueInjector vi = new ValueInjector();
+        vi.addConverter(Integer.class, Integer::parseInt);
+        vi.addConverter(Long.class, Long::parseLong);
+        vi.addConverter(Boolean.class, Boolean::parseBoolean);
+        vi.addConverter(Double.class, Double::parseDouble);
+        vi.addConverter(String.class, (String s) -> s);
+        vi.addConverter(Boolean.TYPE, Boolean::parseBoolean);
+        vi.addConverter(Byte.TYPE, Byte::parseByte);
+        vi.addConverter(Character.TYPE, s -> s.charAt(0));
+        vi.addConverter(Short.TYPE, Short::parseShort);
+        vi.addConverter(Integer.TYPE, Integer::parseInt);
+        vi.addConverter(Long.TYPE, Long::parseLong);
+        vi.addConverter(Double.TYPE, Double::parseDouble);
+        vi.addConverter(Float.TYPE, Float::parseFloat);
+        vi.addConverter(BigInteger.class,Integer.class, (BigInteger b) -> b.intValue());
+        vi.addConverter(BigInteger.class,Integer.TYPE, (BigInteger b) -> b.intValue());
+
+        return vi;
+    }
+
+    public static ValueInjector createDefault(Node node) {
+        ValueInjector valueInjector = createDefault();
+        TermConverter termConverter = new TermConverter(node);
+        valueInjector.addConverter(Term.class, termConverter);
+        valueInjector.addConverter(Sort.class, new SortConverter(node.proof()));
+        valueInjector.addConverter(TermValue.class, Term.class, new TermValueConverter(node));
+        return valueInjector;
+    }
+
+    @Value
+    public static class TermValueConverter implements Converter<TermValue, Term> {
+        private Node node;
+
+        @Override
+        public Term convert(TermValue s) throws Exception {
+            if (s.getTerm() != null) {
+                return s.getTerm();
+            } else {
+                TermConverter converter = new TermConverter(node);
+                Term t = converter.convert(s.getTermRepr());
+                s.setTerm(t);
+                return t;
+            }
+        }
+    }
+
+    @RequiredArgsConstructor
+    public static class TermConverter implements Converter<String, Term> {
+        private final Node node;
+        private final static DefaultTermParser PARSER = new DefaultTermParser();
+        private NamespaceSet additionalNamespace;
+
+        @Override
+        public Term convert(String string) throws ParserException {
+            StringReader reader = new StringReader(string);
+            Services services = node.proof().getServices();
+
+            //TODO check if local namespace is needed
+            NamespaceSet ns;
+            Goal g = node.proof().getGoal(node);
+            if (g != null) {
+                ns = g.getLocalNamespaces();
+            } else {
+                ns = node.proof().getNamespaces();
+            }
+
+            if(additionalNamespace!=null) {
+                ns = ns.copy();
+                ns.add(additionalNamespace);
+            }
+
+            Term formula = PARSER.parse(reader, null, services, ns, node.proof().abbreviations());
+            return formula;
+        }
+    }
+
+    @Value public static class SortConverter implements Converter<String, Sort>{
+        private Proof proof;
+
+        @Override
+        public Sort convert(String sortName) {
+            return proof.getServices().getNamespaces().sorts().lookup(sortName);
+        }
+    }
+
+
+    /**
+     * Injects the converted version of the given {@code arguments} in the given {@code obj}.
+     *
+     * @param command   a proof script command
+     * @param obj       a non-null instance of a parameter class (with annotation)
+     * @param arguments a non-null string map
+     * @param <T>       type safety
+     * @return the same object as {@code obj}
+     * @throws ArgumentRequiredException     a required argument was not given in {@code arguments}
+     * @throws InjectionReflectionException  an access on some reflection methods occured
+     * @throws NoSpecifiedConverterException unknown type for the current converter map
+     * @throws ConversionException           an converter could not translage the given value
+     *                                       in {@arguments}
+     * @see Option
+     * @see Flag
+     */
+    public <T> T inject(ProofScriptCommand command, T obj, Map<String, Object> arguments)
+            throws ConversionException, InjectionReflectionException, NoSpecifiedConverterException,
+            ArgumentRequiredException {
+        List<ProofScriptArgument> meta = ArgumentsLifter
+                .inferScriptArguments(obj.getClass(), command);
+        List<ProofScriptArgument> varArgs = new ArrayList<>(meta.size());
+
+        List<String> usedKeys = new ArrayList<>();
+
+        for (ProofScriptArgument arg : meta) {
+            if (arg.hasVariableArguments()) {
+                varArgs.add(arg);
+            } else {
+                injectIntoField(arg, arguments, obj);
+                usedKeys.add(arg.getName());
+            }
+        }
+
+        for (ProofScriptArgument vararg : varArgs) {
+            final Map map = getStringMap(obj, vararg);
+            final int prefixLength = vararg.getName().length();
+            for (Map.Entry<String, Object> e : arguments.entrySet()) {
+                String k = e.getKey();
+                Object v = e.getValue();
+                if (!usedKeys.contains(k) && k.startsWith(vararg.getName())) {
+                    map.put(k.substring(prefixLength), convert(vararg, v));
+                    usedKeys.add(k);
+                }
+            }
+        }
+
+        return obj;
+    }
+
+    private Map getStringMap(Object obj, ProofScriptArgument vararg)
+            throws InjectionReflectionException {
+        try {
+            Map map = (Map) vararg.getField().get(obj);
+            if (map == null) {
+                map = new HashMap();
+                vararg.getField().set(obj, map);
+            }
+            return map;
+        } catch (IllegalAccessException e) {
+            throw new InjectionReflectionException(
+                    "Error on using reflection on class " + obj.getClass(), e, vararg);
+        }
+    }
+
+    private void injectIntoField(ProofScriptArgument meta, Map<String, Object> args, Object obj)
+            throws InjectionReflectionException, ArgumentRequiredException,
+            ConversionException, NoSpecifiedConverterException {
+        final Object val = args.get(meta.getName());
+        if (val == null) {
+            if (meta.isRequired()) {
+                throw new ArgumentRequiredException(
+                        String.format("Argument %s:%s is required, but %s was given. " +
+                                        "For comamnd class: '%s'",
+                                meta.getName(), meta.getField().getType(), val,
+                                meta.getCommand().getClass()), meta);
+            }
+        } else {
+            Object value = convert(meta, val);
+            try {
+                //if (meta.getType() != value.getClass())
+                //    throw new ConversionException("The typed returned '" + val.getClass()
+                //            + "' from the converter mismtached with the
+                // type of the field " + meta.getType(), meta);
+                meta.getField().set(obj, value);
+            } catch (IllegalAccessException e) {
+                throw new InjectionReflectionException("Could not inject values via reflection",
+                        e, meta);
+            }
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    private Object convert(ProofScriptArgument meta, Object val)
+            throws NoSpecifiedConverterException, ConversionException {
+        Converter converter = getConverter(val.getClass(), meta.getType());
+        if (converter == null) {
+            throw new NoSpecifiedConverterException("No converter registered for class: " +
+                    meta.getField().getType(), meta);
+        }
+        try {
+            return converter.convert(val);
+        } catch (Exception e) {
+            throw new ConversionException(
+                    String.format("Could not convert value %s to type %s",
+                            val, meta.getField().getType()), e, meta);
+        }
+    }
+
+    /**
+     * Registers the given converter for the specified class.
+     *
+     * @param clazz a class
+     * @param conv  a converter for the given class
+     * @param <T>   an arbitrary type
+     */
+    public <T,R> void addConverter(Class<T> from, Class<R> to, Converter<T,R> conv) {
+        converters.add(new ConverterWrapper<T,R>(from, to, conv));
+    }
+
+    public <R> void addConverter(Class<R> to, Converter<String,R> conv) {
+        addConverter(String.class, to, conv);
+    }
+
+    public <T,R> void addConverter(Converter<T,R> conv) {
+        Method[] ms = conv.getClass().getMethods();
+        for (Method m : ms) {
+            if (m.getParameterCount() == 1) {
+                Class<T> t = (Class<T>) m.getParameterTypes()[0];
+                Class<R> c = (Class<R>) m.getReturnType();
+                addConverter(t,c, conv);
+            }
+        }
+
+    }
+
+    /**
+     * Finds a converter for the given class.
+     * @return null or a suitable converter (registered) converter for the requested class.
+     */
+    @SuppressWarnings("unchecked")
+    public <T,R> Converter<T,R> getConverter(Class<T> from, Class<R> to) {
+        for (ConverterWrapper c: converters) {
+                if(c.getFrom().equals(from) && c.getTo().equals(to))
+                    return c.getConverter();
+       }
+        throw new RuntimeException("Could not find a suitable converter for types " + from + " to " + to);
+    }
+
+
+    @Value
+    private static class ConverterWrapper<T,R> {
+        Class<T> from;
+        Class<R> to;
+        Converter<T,R> converter;
+    }
+
+    interface  Converter<T, R> {
+        R convert(T o) throws Exception;
+    }
+}

rt-key/src/main/java/edu/kit/iti/formal/psdbg/interpreter/KeyEvaluator.java

+package edu.kit.iti.formal.psdbg.interpreter;
+
+import de.uka.ilkd.key.logic.Name;
+import de.uka.ilkd.key.logic.NamespaceSet;
+import de.uka.ilkd.key.logic.Term;
+import de.uka.ilkd.key.logic.op.LogicVariable;
+import de.uka.ilkd.key.logic.op.QuantifiableVariable;
+import de.uka.ilkd.key.logic.sort.Sort;
+import de.uka.ilkd.key.proof.Goal;
+import edu.kit.iti.formal.psdbg.interpreter.data.GoalNode;
+import edu.kit.iti.formal.psdbg.interpreter.data.KeyData;
+import edu.kit.iti.formal.psdbg.interpreter.data.TermValue;
+import edu.kit.iti.formal.psdbg.interpreter.data.VariableAssignment;
+import edu.kit.iti.formal.psdbg.parser.ast.Expression;
+import edu.kit.iti.formal.psdbg.parser.ast.NamespaceSetExpression;
+import edu.kit.iti.formal.psdbg.parser.ast.SubstituteExpression;
+import edu.kit.iti.formal.psdbg.parser.ast.Variable;
+import edu.kit.iti.formal.psdbg.parser.data.Value;
+import edu.kit.iti.formal.psdbg.parser.types.SimpleType;
+import edu.kit.iti.formal.psdbg.parser.types.TermType;
+import edu.kit.iti.formal.psdbg.parser.types.Type;
+import edu.kit.iti.formal.psdbg.parser.types.TypeFacade;
+import org.key_project.util.collection.ImmutableArray;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class KeyEvaluator extends Evaluator<KeyData> {
+    public KeyEvaluator(VariableAssignment assignments, GoalNode<KeyData> g) {
+        super(assignments, g);
+    }
+
+    @Override
+    public Value visit(NamespaceSetExpression nss) {
+        Value term = (Value) nss.getExpression().accept(this);
+        if (term.getType() instanceof TermType) {
+            TermValue data = ((TermValue) term.getData()).copy();
+            nss.getSignature().forEach((v,s) -> {
+                Sort sort = asKeySort(s, getGoal().getData().getGoal());
+                data.getNs().variables().add(new LogicVariable(new Name(v.getIdentifier()), sort));
+            });
+            return new Value(term.getType(), data);
+        }else {
+            throw new IllegalStateException("Try to apply substitute on a non-term value.");
+        }
+    }
+
+    private Sort asKeySort(Type symbol, Goal g) {
+        NamespaceSet global = g.proof().getServices().getNamespaces();
+        Sort s = global.sorts().lookup(symbol.interpreterSort());
+        if(s!=null)
+            return s;
+        return g.getLocalNamespaces().sorts().lookup(symbol.interpreterSort());
+    }
+