JavaScriptCore-7601.1.46.3.tar.gz

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

diff --git a/runtime/ErrorInstance.h b/runtime/ErrorInstance.h
index 6f9d262ea72364c6f5375de0264c9ce9caed494d..3f584a99f072e84d87c1a1a51ba030b15cf62e32 100644 (file)
--- a/runtime/ErrorInstance.h
+++ b/runtime/ErrorInstance.h
@@ -21,17 +21,59 @@
 #ifndef ErrorInstance_h
 #define ErrorInstance_h
 
-#include "JSObject.h"
+#include "Interpreter.h"
+#include "RuntimeType.h"
+#include "SourceProvider.h"
+#include <wtf/Vector.h>
 
 namespace JSC {
 
-    class ErrorInstance : public JSObject {
-    public:
-        explicit ErrorInstance(PassRefPtr<Structure>);
+class ErrorInstance : public JSNonFinalObject {
+public:
+    typedef JSNonFinalObject Base;
 
-        virtual const ClassInfo* classInfo() const { return &info; }
-        static const ClassInfo info;
-    };
+    enum SourceTextWhereErrorOccurred { FoundExactSource, FoundApproximateSource };
+    typedef String (*SourceAppender) (const String& originalMessage, const String& sourceText, RuntimeType, SourceTextWhereErrorOccurred);
+
+    DECLARE_INFO;
+
+    static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+    {
+        return Structure::create(vm, globalObject, prototype, TypeInfo(ErrorInstanceType, StructureFlags), info());
+    }
+
+    static ErrorInstance* create(ExecState* exec, VM& vm, Structure* structure, const String& message, SourceAppender appender = nullptr, RuntimeType type = TypeNothing, bool useCurrentFrame = true)
+    {
+        ErrorInstance* instance = new (NotNull, allocateCell<ErrorInstance>(vm.heap)) ErrorInstance(vm, structure);
+        instance->m_sourceAppender = appender;
+        instance->m_runtimeTypeForCause = type;
+        instance->finishCreation(exec, vm, message, useCurrentFrame);
+        return instance;
+    }
+
+    static ErrorInstance* create(ExecState* exec, Structure* structure, JSValue message, SourceAppender appender = nullptr, RuntimeType type = TypeNothing, bool useCurrentFrame = true)
+    {
+        return create(exec, exec->vm(), structure, message.isUndefined() ? String() : message.toString(exec)->value(exec), appender, type, useCurrentFrame);
+    }
+
+    static void addErrorInfo(ExecState*, VM&, JSObject*, bool = true);
+
+    bool hasSourceAppender() const { return !!m_sourceAppender; }
+    SourceAppender sourceAppender() const { return m_sourceAppender; }
+    void setSourceAppender(SourceAppender appender) { m_sourceAppender = appender; }
+    void clearSourceAppender() { m_sourceAppender = nullptr; }
+    void setRuntimeTypeForCause(RuntimeType type) { m_runtimeTypeForCause = type; }
+    RuntimeType runtimeTypeForCause() const { return m_runtimeTypeForCause; }
+    void clearRuntimeTypeForCause() { m_runtimeTypeForCause = TypeNothing; }
+
+protected:
+    explicit ErrorInstance(VM&, Structure*);
+
+    void finishCreation(ExecState*, VM&, const String&, bool useCurrentFrame = true);
+
+    SourceAppender m_sourceAppender { nullptr };
+    RuntimeType m_runtimeTypeForCause { TypeNothing };
+};
 
 } // namespace JSC