JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / runtime / JSCJSValue.h

diff --git a/runtime/JSCJSValue.h b/runtime/JSCJSValue.h
index 514c4d931c6140881f397a9ff6cde76af7d5e07e..039c14eb7a12aae6565dba7fa4fbdcbfaff31993 100644 (file)
--- a/runtime/JSCJSValue.h
+++ b/runtime/JSCJSValue.h
@@ -32,6 +32,7 @@
 #include <wtf/HashMap.h>
 #include <wtf/HashTraits.h>
 #include <wtf/MathExtras.h>
+#include <wtf/MediaTime.h>
 #include <wtf/StdLibExtras.h>
 #include <wtf/TriState.h>
 
@@ -45,9 +46,11 @@ class VM;
 class JSGlobalObject;
 class JSObject;
 class JSString;
+class Identifier;
 class PropertyName;
 class PropertySlot;
 class PutPropertySlot;
+class Structure;
 #if ENABLE(DFG_JIT)
 namespace DFG {
 class JITCompiler;
@@ -122,8 +125,15 @@ inline uint32_t toUInt32(double number)
 int64_t tryConvertToInt52(double);
 bool isInt52(double);
 
+enum class SourceCodeRepresentation {
+    Other,
+    Integer,
+    Double
+};
+
 class JSValue {
     friend struct EncodedJSValueHashTraits;
+    friend struct EncodedJSValueWithRepresentationHashTraits;
     friend class AssemblyHelpers;
     friend class JIT;
     friend class JITSlowPathCall;
@@ -185,8 +195,7 @@ public:
     explicit JSValue(long long);
     explicit JSValue(unsigned long long);
 
-    typedef void* (JSValue::*UnspecifiedBoolType);
-    operator UnspecifiedBoolType*() const;
+    explicit operator bool() const;
     bool operator==(const JSValue& other) const;
     bool operator!=(const JSValue& other) const;
 
@@ -215,6 +224,7 @@ public:
     bool isMachineInt() const;
     bool isNumber() const;
     bool isString() const;
+    bool isSymbol() const;
     bool isPrimitive() const;
     bool isGetterSetter() const;
     bool isCustomGetterSetter() const;
@@ -240,19 +250,19 @@ public:
     // been set in the ExecState already.
     double toNumber(ExecState*) const;
     JSString* toString(ExecState*) const;
+    Identifier toPropertyKey(ExecState*) const;
     WTF::String toWTFString(ExecState*) const;
-    WTF::String toWTFStringInline(ExecState*) const;
     JSObject* toObject(ExecState*) const;
     JSObject* toObject(ExecState*, JSGlobalObject*) const;
 
     // Integer conversions.
     JS_EXPORT_PRIVATE double toInteger(ExecState*) const;
-    double toIntegerPreserveNaN(ExecState*) const;
+    JS_EXPORT_PRIVATE double toIntegerPreserveNaN(ExecState*) const;
     int32_t toInt32(ExecState*) const;
     uint32_t toUInt32(ExecState*) const;
 
-    // Floating point conversions (this is a convenience method for webcore;
-    // signle precision float is not a representation used in JS or JSC).
+    // Floating point conversions (this is a convenience function for WebCore;
+    // single precision float is not a representation used in JS or JSC).
     float toFloat(ExecState* exec) const { return static_cast<float>(toNumber(exec)); }
 
     // Object operations, with the toObject operation included.
@@ -260,9 +270,12 @@ public:
     JSValue get(ExecState*, PropertyName, PropertySlot&) const;
     JSValue get(ExecState*, unsigned propertyName) const;
     JSValue get(ExecState*, unsigned propertyName, PropertySlot&) const;
+
+    bool getPropertySlot(ExecState*, PropertyName, PropertySlot&) const;
+
     void put(ExecState*, PropertyName, JSValue, PutPropertySlot&);
-    void putToPrimitive(ExecState*, PropertyName, JSValue, PutPropertySlot&);
-    void putToPrimitiveByIndex(ExecState*, unsigned propertyName, JSValue, bool shouldThrow);
+    JS_EXPORT_PRIVATE void putToPrimitive(ExecState*, PropertyName, JSValue, PutPropertySlot&);
+    JS_EXPORT_PRIVATE void putToPrimitiveByIndex(ExecState*, unsigned propertyName, JSValue, bool shouldThrow);
     void putByIndex(ExecState*, unsigned propertyName, JSValue, bool shouldThrow);
 
     JSValue toThis(ExecState*, ECMAMode) const;
@@ -283,9 +296,11 @@ public:
 
     JS_EXPORT_PRIVATE void dump(PrintStream&) const;
     void dumpInContext(PrintStream&, DumpContext*) const;
+    void dumpInContextAssumingStructure(PrintStream&, DumpContext*, Structure*) const;
     void dumpForBacktrace(PrintStream&) const;
 
     JS_EXPORT_PRIVATE JSObject* synthesizePrototype(ExecState*) const;
+    bool requireObjectCoercible(ExecState*) const;
 
     // Constants used for Int52. Int52 isn't part of JSValue right now, but JSValues may be
     // converted to Int52s and back again.
@@ -440,7 +455,26 @@ struct EncodedJSValueHashTraits : HashTraits<EncodedJSValue> {
 };
 #endif
 
-typedef HashMap<EncodedJSValue, unsigned, EncodedJSValueHash, EncodedJSValueHashTraits> JSValueMap;
+typedef std::pair<EncodedJSValue, SourceCodeRepresentation> EncodedJSValueWithRepresentation;
+
+struct EncodedJSValueWithRepresentationHashTraits : HashTraits<EncodedJSValueWithRepresentation> {
+    static const bool emptyValueIsZero = false;
+    static EncodedJSValueWithRepresentation emptyValue() { return std::make_pair(JSValue::encode(JSValue()), SourceCodeRepresentation::Other); }
+    static void constructDeletedValue(EncodedJSValueWithRepresentation& slot) { slot = std::make_pair(JSValue::encode(JSValue(JSValue::HashTableDeletedValue)), SourceCodeRepresentation::Other); }
+    static bool isDeletedValue(EncodedJSValueWithRepresentation value) { return value == std::make_pair(JSValue::encode(JSValue(JSValue::HashTableDeletedValue)), SourceCodeRepresentation::Other); }
+};
+
+struct EncodedJSValueWithRepresentationHash {
+    static unsigned hash(const EncodedJSValueWithRepresentation& value)
+    {
+        return WTF::pairIntHash(EncodedJSValueHash::hash(value.first), IntHash<SourceCodeRepresentation>::hash(value.second));
+    }
+    static bool equal(const EncodedJSValueWithRepresentation& a, const EncodedJSValueWithRepresentation& b)
+    {
+        return a == b;
+    }
+    static const bool safeToCompareToEmptyOrDeleted = true;
+};
 
 // Stand-alone helper functions.
 inline JSValue jsNull()
@@ -470,6 +504,11 @@ ALWAYS_INLINE JSValue jsNumber(double d)
     return JSValue(d);
 }
 
+ALWAYS_INLINE JSValue jsNumber(MediaTime t)
+{
+    return jsNumber(t.toDouble());
+}
+
 ALWAYS_INLINE JSValue jsNumber(char i)
 {
     return JSValue(i);