Fix emit API. Fix several JS wrappers.

classlib/src/main/java/org/teavm/classlib/java/util/TDate.java

@@ -67,7 +67,7 @@ public class TDate implements TComparable<TDate> {
 
     @Deprecated
     public static long parse(String s) {
-        double value = JSDate.parse(s).getTime();
+        double value = JSDate.parse(s);
         if (Double.isNaN(value)) {
             throw new IllegalArgumentException("Can't parse date: " + s);
         }

core/src/main/java/org/teavm/model/emit/ChooseEmitter.java

@@ -42,6 +42,7 @@ public class ChooseEmitter {
         pe.enter(entry.getTarget());
         pe.emitAndJump(fragment, joinBlock);
         pe.enter(joinBlock);
+        insn.getEntries().add(entry);
         return this;
     }
 

core/src/main/java/org/teavm/model/emit/ProgramEmitter.java

@@ -453,6 +453,7 @@ public final class ProgramEmitter {
     public ChooseEmitter choice(ValueEmitter value) {
         SwitchInstruction insn = new SwitchInstruction();
         insn.setCondition(value.getVariable());
+        addInstruction(insn);
         return new ChooseEmitter(this, insn, prepareBlock());
     }
 

jso/apis/src/main/java/org/teavm/jso/browser/History.java

@@ -42,4 +42,8 @@ public interface History extends JSObject {
     void replaceState(JSObject data, String title);
 
     void replaceState(JSObject data, String title, String url);
+
+    static History current() {
+        return Window.current().getHistory();
+    }
 }

jso/apis/src/main/java/org/teavm/jso/browser/Window.java

@@ -47,6 +47,9 @@ public abstract class Window implements JSObject, WindowEventTarget, StorageProv
     @JSProperty
     public abstract Location getLocation();
 
+    @JSProperty
+    public abstract History getHistory();
+
     @JSProperty
     public abstract HTMLElement getFrameElement();
 

jso/apis/src/main/java/org/teavm/jso/core/JSDate.java

@@ -55,7 +55,7 @@ public abstract class JSDate implements JSObject {
     public static native double now();
 
     @JSBody(params = "stringValue", script = "return Date.parse(stringValue);")
-    public static native JSDate parse(String stringValue);
+    public static native double parse(String stringValue);
 
     @JSBody(params = { "year", "month" }, script = "return Date.UTC(year, month);")
     public static native double UTC(int year, int month);