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+//===-- Scalar.cpp ----------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Core/Scalar.h"
+
+#include <math.h>
+#include <inttypes.h>
+
+#include "lldb/Interpreter/Args.h"
+#include "lldb/Core/Error.h"
+#include "lldb/Core/Stream.h"
+#include "lldb/Core/DataExtractor.h"
+#include "lldb/Host/Endian.h"
+
+#include "Plugins/Process/Utility/InstructionUtils.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// Promote to max type currently follows the ANSI C rule for type
+// promotion in expressions.
+//----------------------------------------------------------------------
+static Scalar::Type
+PromoteToMaxType
+(
+ const Scalar& lhs, // The const left hand side object
+ const Scalar& rhs, // The const right hand side object
+ Scalar& temp_value, // A modifiable temp value than can be used to hold either the promoted lhs or rhs object
+ const Scalar* &promoted_lhs_ptr, // Pointer to the resulting possibly promoted value of lhs (at most one of lhs/rhs will get promoted)
+ const Scalar* &promoted_rhs_ptr // Pointer to the resulting possibly promoted value of rhs (at most one of lhs/rhs will get promoted)
+)
+{
+ Scalar result;
+ // Initialize the promoted values for both the right and left hand side values
+ // to be the objects themselves. If no promotion is needed (both right and left
+ // have the same type), then the temp_value will not get used.
+ promoted_lhs_ptr = &lhs;
+ promoted_rhs_ptr = &rhs;
+ // Extract the types of both the right and left hand side values
+ Scalar::Type lhs_type = lhs.GetType();
+ Scalar::Type rhs_type = rhs.GetType();
+
+ if (lhs_type > rhs_type)
+ {
+ // Right hand side need to be promoted
+ temp_value = rhs; // Copy right hand side into the temp value
+ if (temp_value.Promote(lhs_type)) // Promote it
+ promoted_rhs_ptr = &temp_value; // Update the pointer for the promoted right hand side
+ }
+ else if (lhs_type < rhs_type)
+ {
+ // Left hand side need to be promoted
+ temp_value = lhs; // Copy left hand side value into the temp value
+ if (temp_value.Promote(rhs_type)) // Promote it
+ promoted_lhs_ptr = &temp_value; // Update the pointer for the promoted left hand side
+ }
+
+ // Make sure our type promotion worked as exptected
+ if (promoted_lhs_ptr->GetType() == promoted_rhs_ptr->GetType())
+ return promoted_lhs_ptr->GetType(); // Return the resulting max type
+
+ // Return the void type (zero) if we fail to promote either of the values.
+ return Scalar::e_void;
+}
+
+
+//----------------------------------------------------------------------
+// Scalar constructor
+//----------------------------------------------------------------------
+Scalar::Scalar() :
+ m_type(e_void),
+ m_data()
+{
+}
+
+//----------------------------------------------------------------------
+// Scalar copy constructor
+//----------------------------------------------------------------------
+Scalar::Scalar(const Scalar& rhs) :
+ m_type(rhs.m_type),
+ m_data(rhs.m_data) // TODO: verify that for C++ this will correctly copy the union??
+{
+}
+
+//Scalar::Scalar(const RegisterValue& reg) :
+// m_type(e_void),
+// m_data()
+//{
+// switch (reg.info.encoding)
+// {
+// case eEncodingUint: // unsigned integer
+// switch (reg.info.byte_size)
+// {
+// case 1: m_type = e_uint; m_data.uint = reg.value.uint8; break;
+// case 2: m_type = e_uint; m_data.uint = reg.value.uint16; break;
+// case 4: m_type = e_uint; m_data.uint = reg.value.uint32; break;
+// case 8: m_type = e_ulonglong; m_data.ulonglong = reg.value.uint64; break;
+// break;
+// }
+// break;
+//
+// case eEncodingSint: // signed integer
+// switch (reg.info.byte_size)
+// {
+// case 1: m_type = e_sint; m_data.sint = reg.value.sint8; break;
+// case 2: m_type = e_sint; m_data.sint = reg.value.sint16; break;
+// case 4: m_type = e_sint; m_data.sint = reg.value.sint32; break;
+// case 8: m_type = e_slonglong; m_data.slonglong = reg.value.sint64; break;
+// break;
+// }
+// break;
+//
+// case eEncodingIEEE754: // float
+// switch (reg.info.byte_size)
+// {
+// case 4: m_type = e_float; m_data.flt = reg.value.float32; break;
+// case 8: m_type = e_double; m_data.dbl = reg.value.float64; break;
+// break;
+// }
+// break;
+// case eEncodingVector: // vector registers
+// break;
+// }
+//}
+
+bool
+Scalar::GetData (DataExtractor &data, size_t limit_byte_size) const
+{
+ size_t byte_size = GetByteSize();
+ if (byte_size > 0)
+ {
+ if (limit_byte_size < byte_size)
+ {
+ if (lldb::endian::InlHostByteOrder() == eByteOrderLittle)
+ {
+ // On little endian systems if we want fewer bytes from the
+ // current type we just specify fewer bytes since the LSByte
+ // is first...
+ data.SetData((uint8_t*)&m_data, limit_byte_size, lldb::endian::InlHostByteOrder());
+ }
+ else if (lldb::endian::InlHostByteOrder() == eByteOrderBig)
+ {
+ // On big endian systems if we want fewer bytes from the
+ // current type have to advance our initial byte pointer and
+ // trim down the number of bytes since the MSByte is first
+ data.SetData(((uint8_t*)&m_data) + byte_size - limit_byte_size, limit_byte_size, lldb::endian::InlHostByteOrder());
+ }
+ }
+ else
+ {
+ // We want all of the data
+ data.SetData((uint8_t*)&m_data, byte_size, lldb::endian::InlHostByteOrder());
+ }
+ return true;
+ }
+ data.Clear();
+ return false;
+}
+
+size_t
+Scalar::GetByteSize() const
+{
+ switch (m_type)
+ {
+ case e_void:
+ break;
+ case e_sint: return sizeof(m_data.sint);
+ case e_uint: return sizeof(m_data.uint);
+ case e_slong: return sizeof(m_data.slong);
+ case e_ulong: return sizeof(m_data.ulong);
+ case e_slonglong: return sizeof(m_data.slonglong);
+ case e_ulonglong: return sizeof(m_data.ulonglong);
+ case e_float: return sizeof(m_data.flt);
+ case e_double: return sizeof(m_data.dbl);
+ case e_long_double: return sizeof(m_data.ldbl);
+ }
+ return 0;
+}
+
+bool
+Scalar::IsZero() const
+{
+ switch (m_type)
+ {
+ case e_void:
+ break;
+ case e_sint: return m_data.sint == 0;
+ case e_uint: return m_data.uint == 0;
+ case e_slong: return m_data.slong == 0;
+ case e_ulong: return m_data.ulong == 0;
+ case e_slonglong: return m_data.slonglong == 0;
+ case e_ulonglong: return m_data.ulonglong == 0;
+ case e_float: return m_data.flt == 0.0f;
+ case e_double: return m_data.dbl == 0.0;
+ case e_long_double: return m_data.ldbl == 0.0;
+ }
+ return false;
+}
+
+void
+Scalar::GetValue (Stream *s, bool show_type) const
+{
+ if (show_type)
+ s->Printf("(%s) ", GetTypeAsCString());
+
+ switch (m_type)
+ {
+ case e_void:
+ break;
+ case e_sint: s->Printf("%i", m_data.sint); break;
+ case e_uint: s->Printf("0x%8.8x", m_data.uint); break;
+ case e_slong: s->Printf("%li", m_data.slong); break;
+ case e_ulong: s->Printf("0x%8.8lx", m_data.ulong); break;
+ case e_slonglong: s->Printf("%lli", m_data.slonglong); break;
+ case e_ulonglong: s->Printf("0x%16.16llx", m_data.ulonglong); break;
+ case e_float: s->Printf("%f", m_data.flt); break;
+ case e_double: s->Printf("%g", m_data.dbl); break;
+ case e_long_double: s->Printf("%Lg", m_data.ldbl); break;
+ }
+}
+
+const char *
+Scalar::GetTypeAsCString() const
+{
+ switch (m_type)
+ {
+ case e_void: return "void";
+ case e_sint: return "int";
+ case e_uint: return "unsigned int";
+ case e_slong: return "long";
+ case e_ulong: return "unsigned long";
+ case e_slonglong: return "long long";
+ case e_ulonglong: return "unsigned long long";
+ case e_float: return "float";
+ case e_double: return "double";
+ case e_long_double: return "long double";
+ }
+ return "<invalid Scalar type>";
+}
+
+
+
+//----------------------------------------------------------------------
+// Scalar copy constructor
+//----------------------------------------------------------------------
+Scalar&
+Scalar::operator=(const Scalar& rhs)
+{
+ if (this != &rhs)
+ {
+ m_type = rhs.m_type;
+ ::memcpy (&m_data, &rhs.m_data, sizeof(m_data));
+ }
+ return *this;
+}
+
+Scalar&
+Scalar::operator= (const int v)
+{
+ m_type = e_sint;
+ m_data.sint = v;
+ return *this;
+}
+
+
+Scalar&
+Scalar::operator= (unsigned int v)
+{
+ m_type = e_uint;
+ m_data.uint = v;
+ return *this;
+}
+
+Scalar&
+Scalar::operator= (long v)
+{
+ m_type = e_slong;
+ m_data.slong = v;
+ return *this;
+}
+
+Scalar&
+Scalar::operator= (unsigned long v)
+{
+ m_type = e_ulong;
+ m_data.ulong = v;
+ return *this;
+}
+
+Scalar&
+Scalar::operator= (long long v)
+{
+ m_type = e_slonglong;
+ m_data.slonglong = v;
+ return *this;
+}
+
+Scalar&
+Scalar::operator= (unsigned long long v)
+{
+ m_type = e_ulonglong;
+ m_data.ulonglong = v;
+ return *this;
+}
+
+Scalar&
+Scalar::operator= (float v)
+{
+ m_type = e_float;
+ m_data.flt = v;
+ return *this;
+}
+
+Scalar&
+Scalar::operator= (double v)
+{
+ m_type = e_double;
+ m_data.dbl = v;
+ return *this;
+}
+
+Scalar&
+Scalar::operator= (long double v)
+{
+ m_type = e_long_double;
+ m_data.ldbl = v;
+ return *this;
+}
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+Scalar::~Scalar()
+{
+}
+
+bool
+Scalar::Promote(Scalar::Type type)
+{
+ bool success = false;
+ switch (m_type)
+ {
+ case e_void:
+ break;
+
+ case e_sint:
+ switch (type)
+ {
+ case e_void: break;
+ case e_sint: success = true; break;
+ case e_uint: m_data.uint = m_data.sint; success = true; break;
+ case e_slong: m_data.slong = m_data.sint; success = true; break;
+ case e_ulong: m_data.ulong = m_data.sint; success = true; break;
+ case e_slonglong: m_data.slonglong = m_data.sint; success = true; break;
+ case e_ulonglong: m_data.ulonglong = m_data.sint; success = true; break;
+ case e_float: m_data.flt = m_data.sint; success = true; break;
+ case e_double: m_data.dbl = m_data.sint; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.sint; success = true; break;
+ }
+ break;
+
+ case e_uint:
+ switch (type)
+ {
+ case e_void:
+ case e_sint: break;
+ case e_uint: success = true; break;
+ case e_slong: m_data.slong = m_data.uint; success = true; break;
+ case e_ulong: m_data.ulong = m_data.uint; success = true; break;
+ case e_slonglong: m_data.slonglong = m_data.uint; success = true; break;
+ case e_ulonglong: m_data.ulonglong = m_data.uint; success = true; break;
+ case e_float: m_data.flt = m_data.uint; success = true; break;
+ case e_double: m_data.dbl = m_data.uint; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.uint; success = true; break;
+ }
+ break;
+
+ case e_slong:
+ switch (type)
+ {
+ case e_void:
+ case e_sint:
+ case e_uint: break;
+ case e_slong: success = true; break;
+ case e_ulong: m_data.ulong = m_data.slong; success = true; break;
+ case e_slonglong: m_data.slonglong = m_data.slong; success = true; break;
+ case e_ulonglong: m_data.ulonglong = m_data.slong; success = true; break;
+ case e_float: m_data.flt = m_data.slong; success = true; break;
+ case e_double: m_data.dbl = m_data.slong; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.slong; success = true; break;
+ }
+ break;
+
+ case e_ulong:
+ switch (type)
+ {
+ case e_void:
+ case e_sint:
+ case e_uint:
+ case e_slong: break;
+ case e_ulong: success = true; break;
+ case e_slonglong: m_data.slonglong = m_data.ulong; success = true; break;
+ case e_ulonglong: m_data.ulonglong = m_data.ulong; success = true; break;
+ case e_float: m_data.flt = m_data.ulong; success = true; break;
+ case e_double: m_data.dbl = m_data.ulong; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.ulong; success = true; break;
+ }
+ break;
+
+ case e_slonglong:
+ switch (type)
+ {
+ case e_void:
+ case e_sint:
+ case e_uint:
+ case e_slong:
+ case e_ulong: break;
+ case e_slonglong: success = true; break;
+ case e_ulonglong: m_data.ulonglong = m_data.slonglong; success = true; break;
+ case e_float: m_data.flt = m_data.slonglong; success = true; break;
+ case e_double: m_data.dbl = m_data.slonglong; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.slonglong; success = true; break;
+ }
+ break;
+
+ case e_ulonglong:
+ switch (type)
+ {
+ case e_void:
+ case e_sint:
+ case e_uint:
+ case e_slong:
+ case e_ulong:
+ case e_slonglong: break;
+ case e_ulonglong: success = true; break;
+ case e_float: m_data.flt = m_data.ulonglong; success = true; break;
+ case e_double: m_data.dbl = m_data.ulonglong; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.ulonglong; success = true; break;
+ }
+ break;
+
+ case e_float:
+ switch (type)
+ {
+ case e_void:
+ case e_sint:
+ case e_uint:
+ case e_slong:
+ case e_ulong:
+ case e_slonglong:
+ case e_ulonglong: break;
+ case e_float: success = true; break;
+ case e_double: m_data.dbl = m_data.flt; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.ulonglong; success = true; break;
+ }
+ break;
+
+ case e_double:
+ switch (type)
+ {
+ case e_void:
+ case e_sint:
+ case e_uint:
+ case e_slong:
+ case e_ulong:
+ case e_slonglong:
+ case e_ulonglong:
+ case e_float: break;
+ case e_double: success = true; break;
+ case e_long_double: m_data.ldbl = m_data.dbl; success = true; break;
+ }
+ break;
+
+ case e_long_double:
+ switch (type)
+ {
+ case e_void:
+ case e_sint:
+ case e_uint:
+ case e_slong:
+ case e_ulong:
+ case e_slonglong:
+ case e_ulonglong:
+ case e_float:
+ case e_double: break;
+ case e_long_double: success = true; break;
+ }
+ break;
+ }
+
+ if (success)
+ m_type = type;
+ return success;
+}
+
+const char *
+Scalar::GetValueTypeAsCString (Scalar::Type type)
+{
+ switch (type)
+ {
+ case e_void: return "void";
+ case e_sint: return "int";
+ case e_uint: return "unsigned int";
+ case e_slong: return "long";
+ case e_ulong: return "unsigned long";
+ case e_slonglong: return "long long";
+ case e_ulonglong: return "unsigned long long";
+ case e_float: return "float";
+ case e_double: return "double";
+ case e_long_double: return "long double";
+ }
+ return "???";
+}
+
+
+Scalar::Type
+Scalar::GetValueTypeForSignedIntegerWithByteSize (size_t byte_size)
+{
+ if (byte_size <= sizeof(sint_t))
+ return e_sint;
+ if (byte_size <= sizeof(slong_t))
+ return e_slong;
+ if (byte_size <= sizeof(slonglong_t))
+ return e_slonglong;
+ return e_void;
+}
+
+Scalar::Type
+Scalar::GetValueTypeForUnsignedIntegerWithByteSize (size_t byte_size)
+{
+ if (byte_size <= sizeof(uint_t))
+ return e_uint;
+ if (byte_size <= sizeof(ulong_t))
+ return e_ulong;
+ if (byte_size <= sizeof(ulonglong_t))
+ return e_ulonglong;
+ return e_void;
+}
+
+Scalar::Type
+Scalar::GetValueTypeForFloatWithByteSize (size_t byte_size)
+{
+ if (byte_size == sizeof(float_t))
+ return e_float;
+ if (byte_size == sizeof(double_t))
+ return e_double;
+ if (byte_size == sizeof(long_double_t))
+ return e_long_double;
+ return e_void;
+}
+
+bool
+Scalar::Cast(Scalar::Type type)
+{
+ bool success = false;
+ switch (m_type)
+ {
+ case e_void:
+ break;
+
+ case e_sint:
+ switch (type)
+ {
+ case e_void: break;
+ case e_sint: success = true; break;
+ case e_uint: m_data.uint = m_data.sint; success = true; break;
+ case e_slong: m_data.slong = m_data.sint; success = true; break;
+ case e_ulong: m_data.ulong = m_data.sint; success = true; break;
+ case e_slonglong: m_data.slonglong = m_data.sint; success = true; break;
+ case e_ulonglong: m_data.ulonglong = m_data.sint; success = true; break;
+ case e_float: m_data.flt = m_data.sint; success = true; break;
+ case e_double: m_data.dbl = m_data.sint; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.sint; success = true; break;
+ }
+ break;
+
+ case e_uint:
+ switch (type)
+ {
+ case e_void:
+ case e_sint: m_data.sint = m_data.uint; success = true; break;
+ case e_uint: success = true; break;
+ case e_slong: m_data.slong = m_data.uint; success = true; break;
+ case e_ulong: m_data.ulong = m_data.uint; success = true; break;
+ case e_slonglong: m_data.slonglong = m_data.uint; success = true; break;
+ case e_ulonglong: m_data.ulonglong = m_data.uint; success = true; break;
+ case e_float: m_data.flt = m_data.uint; success = true; break;
+ case e_double: m_data.dbl = m_data.uint; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.uint; success = true; break;
+ }
+ break;
+
+ case e_slong:
+ switch (type)
+ {
+ case e_void:
+ case e_sint: m_data.sint = (sint_t)m_data.slong; success = true; break;
+ case e_uint: m_data.uint = (uint_t)m_data.slong; success = true; break;
+ case e_slong: success = true; break;
+ case e_ulong: m_data.ulong = m_data.slong; success = true; break;
+ case e_slonglong: m_data.slonglong = m_data.slong; success = true; break;
+ case e_ulonglong: m_data.ulonglong = m_data.slong; success = true; break;
+ case e_float: m_data.flt = m_data.slong; success = true; break;
+ case e_double: m_data.dbl = m_data.slong; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.slong; success = true; break;
+ }
+ break;
+
+ case e_ulong:
+ switch (type)
+ {
+ case e_void:
+ case e_sint: m_data.sint = (sint_t)m_data.ulong; success = true; break;
+ case e_uint: m_data.uint = (uint_t)m_data.ulong; success = true; break;
+ case e_slong: m_data.slong = m_data.ulong; success = true; break;
+ case e_ulong: success = true; break;
+ case e_slonglong: m_data.slonglong = m_data.ulong; success = true; break;
+ case e_ulonglong: m_data.ulonglong = m_data.ulong; success = true; break;
+ case e_float: m_data.flt = m_data.ulong; success = true; break;
+ case e_double: m_data.dbl = m_data.ulong; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.ulong; success = true; break;
+ }
+ break;
+
+ case e_slonglong:
+ switch (type)
+ {
+ case e_void:
+ case e_sint: m_data.sint = (sint_t)m_data.slonglong; success = true; break;
+ case e_uint: m_data.uint = (uint_t)m_data.slonglong; success = true; break;
+ case e_slong: m_data.slong = m_data.slonglong; success = true; break;
+ case e_ulong: m_data.ulong = m_data.slonglong; success = true; break;
+ case e_slonglong: success = true; break;
+ case e_ulonglong: m_data.ulonglong = m_data.slonglong; success = true; break;
+ case e_float: m_data.flt = m_data.slonglong; success = true; break;
+ case e_double: m_data.dbl = m_data.slonglong; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.slonglong; success = true; break;
+ }
+ break;
+
+ case e_ulonglong:
+ switch (type)
+ {
+ case e_void:
+ case e_sint: m_data.sint = (sint_t)m_data.ulonglong; success = true; break;
+ case e_uint: m_data.uint = (uint_t)m_data.ulonglong; success = true; break;
+ case e_slong: m_data.slong = m_data.ulonglong; success = true; break;
+ case e_ulong: m_data.ulong = m_data.ulonglong; success = true; break;
+ case e_slonglong: m_data.slonglong = m_data.ulonglong; success = true; break;
+ case e_ulonglong: success = true; break;
+ case e_float: m_data.flt = m_data.ulonglong; success = true; break;
+ case e_double: m_data.dbl = m_data.ulonglong; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.ulonglong; success = true; break;
+ }
+ break;
+
+ case e_float:
+ switch (type)
+ {
+ case e_void:
+ case e_sint: m_data.sint = (sint_t)m_data.flt; success = true; break;
+ case e_uint: m_data.uint = (uint_t)m_data.flt; success = true; break;
+ case e_slong: m_data.slong = (slong_t)m_data.flt; success = true; break;
+ case e_ulong: m_data.ulong = (ulong_t)m_data.flt; success = true; break;
+ case e_slonglong: m_data.slonglong = (slonglong_t)m_data.flt; success = true; break;
+ case e_ulonglong: m_data.ulonglong = (ulonglong_t)m_data.flt; success = true; break;
+ case e_float: success = true; break;
+ case e_double: m_data.dbl = m_data.flt; success = true; break;
+ case e_long_double: m_data.ldbl = m_data.flt; success = true; break;
+ }
+ break;
+
+ case e_double:
+ switch (type)
+ {
+ case e_void:
+ case e_sint: m_data.sint = (sint_t)m_data.dbl; success = true; break;
+ case e_uint: m_data.uint = (uint_t)m_data.dbl; success = true; break;
+ case e_slong: m_data.slong = (slong_t)m_data.dbl; success = true; break;
+ case e_ulong: m_data.ulong = (ulong_t)m_data.dbl; success = true; break;
+ case e_slonglong: m_data.slonglong = (slonglong_t)m_data.dbl; success = true; break;
+ case e_ulonglong: m_data.ulonglong = (ulonglong_t)m_data.dbl; success = true; break;
+ case e_float: m_data.flt = (float_t)m_data.dbl; success = true; break;
+ case e_double: success = true; break;
+ case e_long_double: m_data.ldbl = m_data.dbl; success = true; break;
+ }
+ break;
+
+ case e_long_double:
+ switch (type)
+ {
+ case e_void:
+ case e_sint: m_data.sint = (sint_t)m_data.ldbl; success = true; break;
+ case e_uint: m_data.uint = (uint_t)m_data.ldbl; success = true; break;
+ case e_slong: m_data.slong = (slong_t)m_data.ldbl; success = true; break;
+ case e_ulong: m_data.ulong = (ulong_t)m_data.ldbl; success = true; break;
+ case e_slonglong: m_data.slonglong = (slonglong_t)m_data.ldbl; success = true; break;
+ case e_ulonglong: m_data.ulonglong = (ulonglong_t)m_data.ldbl; success = true; break;
+ case e_float: m_data.flt = (float_t)m_data.ldbl; success = true; break;
+ case e_double: m_data.dbl = (double_t)m_data.ldbl; success = true; break;
+ case e_long_double: success = true; break;
+ }
+ break;
+ }
+
+ if (success)
+ m_type = type;
+ return success;
+}
+
+bool
+Scalar::MakeSigned ()
+{
+ bool success = false;
+
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: success = true; break;
+ case e_uint: m_type = e_sint; success = true; break;
+ case e_slong: success = true; break;
+ case e_ulong: m_type = e_slong; success = true; break;
+ case e_slonglong: success = true; break;
+ case e_ulonglong: m_type = e_slonglong; success = true; break;
+ case e_float: success = true; break;
+ case e_double: success = true; break;
+ case e_long_double: success = true; break;
+ }
+
+ return success;
+}
+
+int
+Scalar::SInt(int fail_value) const
+{
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: return m_data.sint;
+ case e_uint: return (int)m_data.uint;
+ case e_slong: return (int)m_data.slong;
+ case e_ulong: return (int)m_data.ulong;
+ case e_slonglong: return (int)m_data.slonglong;
+ case e_ulonglong: return (int)m_data.ulonglong;
+ case e_float: return (int)m_data.flt;
+ case e_double: return (int)m_data.dbl;
+ case e_long_double: return (int)m_data.ldbl;
+ }
+ return fail_value;
+}
+
+unsigned int
+Scalar::UInt(unsigned int fail_value) const
+{
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: return (unsigned int)m_data.sint;
+ case e_uint: return (unsigned int)m_data.uint;
+ case e_slong: return (unsigned int)m_data.slong;
+ case e_ulong: return (unsigned int)m_data.ulong;
+ case e_slonglong: return (unsigned int)m_data.slonglong;
+ case e_ulonglong: return (unsigned int)m_data.ulonglong;
+ case e_float: return (unsigned int)m_data.flt;
+ case e_double: return (unsigned int)m_data.dbl;
+ case e_long_double: return (unsigned int)m_data.ldbl;
+ }
+ return fail_value;
+}
+
+
+long
+Scalar::SLong(long fail_value) const
+{
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: return (long)m_data.sint;
+ case e_uint: return (long)m_data.uint;
+ case e_slong: return (long)m_data.slong;
+ case e_ulong: return (long)m_data.ulong;
+ case e_slonglong: return (long)m_data.slonglong;
+ case e_ulonglong: return (long)m_data.ulonglong;
+ case e_float: return (long)m_data.flt;
+ case e_double: return (long)m_data.dbl;
+ case e_long_double: return (long)m_data.ldbl;
+ }
+ return fail_value;
+}
+
+
+
+unsigned long
+Scalar::ULong(unsigned long fail_value) const
+{
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: return (unsigned long)m_data.sint;
+ case e_uint: return (unsigned long)m_data.uint;
+ case e_slong: return (unsigned long)m_data.slong;
+ case e_ulong: return (unsigned long)m_data.ulong;
+ case e_slonglong: return (unsigned long)m_data.slonglong;
+ case e_ulonglong: return (unsigned long)m_data.ulonglong;
+ case e_float: return (unsigned long)m_data.flt;
+ case e_double: return (unsigned long)m_data.dbl;
+ case e_long_double: return (unsigned long)m_data.ldbl;
+ }
+ return fail_value;
+}
+
+uint64_t
+Scalar::GetRawBits64(uint64_t fail_value) const
+{
+ switch (m_type)
+ {
+ case e_void:
+ break;
+
+ case e_sint:
+ case e_uint:
+ return m_data.uint;
+
+ case e_slong:
+ case e_ulong:
+ return m_data.ulong;
+
+ case e_slonglong:
+ case e_ulonglong:
+ return m_data.ulonglong;
+
+ case e_float:
+ if (sizeof(m_data.flt) == sizeof(m_data.uint))
+ return m_data.uint;
+ else if (sizeof(m_data.flt) == sizeof(m_data.ulong))
+ return m_data.ulong;
+ else if (sizeof(m_data.flt) == sizeof(m_data.ulonglong))
+ return m_data.ulonglong;
+ break;
+
+ case e_double:
+ if (sizeof(m_data.dbl) == sizeof(m_data.uint))
+ return m_data.uint;
+ else if (sizeof(m_data.dbl) == sizeof(m_data.ulong))
+ return m_data.ulong;
+ else if (sizeof(m_data.dbl) == sizeof(m_data.ulonglong))
+ return m_data.ulonglong;
+ break;
+
+ case e_long_double:
+ if (sizeof(m_data.ldbl) == sizeof(m_data.uint))
+ return m_data.uint;
+ else if (sizeof(m_data.ldbl) == sizeof(m_data.ulong))
+ return m_data.ulong;
+ else if (sizeof(m_data.ldbl) == sizeof(m_data.ulonglong))
+ return m_data.ulonglong;
+ break;
+ }
+ return fail_value;
+}
+
+
+
+long long
+Scalar::SLongLong(long long fail_value) const
+{
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: return (long long)m_data.sint;
+ case e_uint: return (long long)m_data.uint;
+ case e_slong: return (long long)m_data.slong;
+ case e_ulong: return (long long)m_data.ulong;
+ case e_slonglong: return (long long)m_data.slonglong;
+ case e_ulonglong: return (long long)m_data.ulonglong;
+ case e_float: return (long long)m_data.flt;
+ case e_double: return (long long)m_data.dbl;
+ case e_long_double: return (long long)m_data.ldbl;
+ }
+ return fail_value;
+}
+
+
+unsigned long long
+Scalar::ULongLong(unsigned long long fail_value) const
+{
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: return (unsigned long long)m_data.sint;
+ case e_uint: return (unsigned long long)m_data.uint;
+ case e_slong: return (unsigned long long)m_data.slong;
+ case e_ulong: return (unsigned long long)m_data.ulong;
+ case e_slonglong: return (unsigned long long)m_data.slonglong;
+ case e_ulonglong: return (unsigned long long)m_data.ulonglong;
+ case e_float: return (unsigned long long)m_data.flt;
+ case e_double: return (unsigned long long)m_data.dbl;
+ case e_long_double: return (unsigned long long)m_data.ldbl;
+ }
+ return fail_value;
+}
+
+
+float
+Scalar::Float(float fail_value) const
+{
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: return (float)m_data.sint;
+ case e_uint: return (float)m_data.uint;
+ case e_slong: return (float)m_data.slong;
+ case e_ulong: return (float)m_data.ulong;
+ case e_slonglong: return (float)m_data.slonglong;
+ case e_ulonglong: return (float)m_data.ulonglong;
+ case e_float: return (float)m_data.flt;
+ case e_double: return (float)m_data.dbl;
+ case e_long_double: return (float)m_data.ldbl;
+ }
+ return fail_value;
+}
+
+
+double
+Scalar::Double(double fail_value) const
+{
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: return (double)m_data.sint;
+ case e_uint: return (double)m_data.uint;
+ case e_slong: return (double)m_data.slong;
+ case e_ulong: return (double)m_data.ulong;
+ case e_slonglong: return (double)m_data.slonglong;
+ case e_ulonglong: return (double)m_data.ulonglong;
+ case e_float: return (double)m_data.flt;
+ case e_double: return (double)m_data.dbl;
+ case e_long_double: return (double)m_data.ldbl;
+ }
+ return fail_value;
+}
+
+
+long double
+Scalar::LongDouble(long double fail_value) const
+{
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: return (long double)m_data.sint;
+ case e_uint: return (long double)m_data.uint;
+ case e_slong: return (long double)m_data.slong;
+ case e_ulong: return (long double)m_data.ulong;
+ case e_slonglong: return (long double)m_data.slonglong;
+ case e_ulonglong: return (long double)m_data.ulonglong;
+ case e_float: return (long double)m_data.flt;
+ case e_double: return (long double)m_data.dbl;
+ case e_long_double: return (long double)m_data.ldbl;
+ }
+ return fail_value;
+}
+
+
+Scalar&
+Scalar::operator+= (const Scalar& rhs)
+{
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ if ((m_type = PromoteToMaxType(*this, rhs, temp_value, a, b)) != Scalar::e_void)
+ {
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: m_data.sint = a->m_data.sint + b->m_data.sint; break;
+ case e_uint: m_data.uint = a->m_data.uint + b->m_data.uint; break;
+ case e_slong: m_data.slong = a->m_data.slong + b->m_data.slong; break;
+ case e_ulong: m_data.ulong = a->m_data.ulong + b->m_data.ulong; break;
+ case e_slonglong: m_data.slonglong = a->m_data.slonglong + b->m_data.slonglong; break;
+ case e_ulonglong: m_data.ulonglong = a->m_data.ulonglong + b->m_data.ulonglong; break;
+ case e_float: m_data.flt = a->m_data.flt + b->m_data.flt; break;
+ case e_double: m_data.dbl = a->m_data.dbl + b->m_data.dbl; break;
+ case e_long_double: m_data.ldbl = a->m_data.ldbl + b->m_data.ldbl; break;
+ }
+ }
+ return *this;
+}
+
+Scalar&
+Scalar::operator<<= (const Scalar& rhs)
+{
+ switch (m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+
+ case e_sint:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.sint <<= rhs.m_data.sint; break;
+ case e_uint: m_data.sint <<= rhs.m_data.uint; break;
+ case e_slong: m_data.sint <<= rhs.m_data.slong; break;
+ case e_ulong: m_data.sint <<= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.sint <<= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.sint <<= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_uint:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.uint <<= rhs.m_data.sint; break;
+ case e_uint: m_data.uint <<= rhs.m_data.uint; break;
+ case e_slong: m_data.uint <<= rhs.m_data.slong; break;
+ case e_ulong: m_data.uint <<= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.uint <<= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.uint <<= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_slong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.slong <<= rhs.m_data.sint; break;
+ case e_uint: m_data.slong <<= rhs.m_data.uint; break;
+ case e_slong: m_data.slong <<= rhs.m_data.slong; break;
+ case e_ulong: m_data.slong <<= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.slong <<= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.slong <<= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_ulong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.ulong <<= rhs.m_data.sint; break;
+ case e_uint: m_data.ulong <<= rhs.m_data.uint; break;
+ case e_slong: m_data.ulong <<= rhs.m_data.slong; break;
+ case e_ulong: m_data.ulong <<= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.ulong <<= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.ulong <<= rhs.m_data.ulonglong; break;
+ }
+ break;
+ case e_slonglong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.slonglong <<= rhs.m_data.sint; break;
+ case e_uint: m_data.slonglong <<= rhs.m_data.uint; break;
+ case e_slong: m_data.slonglong <<= rhs.m_data.slong; break;
+ case e_ulong: m_data.slonglong <<= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.slonglong <<= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.slonglong <<= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_ulonglong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.ulonglong <<= rhs.m_data.sint; break;
+ case e_uint: m_data.ulonglong <<= rhs.m_data.uint; break;
+ case e_slong: m_data.ulonglong <<= rhs.m_data.slong; break;
+ case e_ulong: m_data.ulonglong <<= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.ulonglong <<= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.ulonglong <<= rhs.m_data.ulonglong; break;
+ }
+ break;
+ }
+ return *this;
+}
+
+bool
+Scalar::ShiftRightLogical(const Scalar& rhs)
+{
+ switch (m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+
+ case e_sint:
+ case e_uint:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.uint >>= rhs.m_data.sint; break;
+ case e_uint: m_data.uint >>= rhs.m_data.uint; break;
+ case e_slong: m_data.uint >>= rhs.m_data.slong; break;
+ case e_ulong: m_data.uint >>= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.uint >>= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.uint >>= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_slong:
+ case e_ulong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.ulong >>= rhs.m_data.sint; break;
+ case e_uint: m_data.ulong >>= rhs.m_data.uint; break;
+ case e_slong: m_data.ulong >>= rhs.m_data.slong; break;
+ case e_ulong: m_data.ulong >>= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.ulong >>= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.ulong >>= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_slonglong:
+ case e_ulonglong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.ulonglong >>= rhs.m_data.sint; break;
+ case e_uint: m_data.ulonglong >>= rhs.m_data.uint; break;
+ case e_slong: m_data.ulonglong >>= rhs.m_data.slong; break;
+ case e_ulong: m_data.ulonglong >>= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.ulonglong >>= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.ulonglong >>= rhs.m_data.ulonglong; break;
+ }
+ break;
+ }
+ return m_type != e_void;
+}
+
+
+Scalar&
+Scalar::operator>>= (const Scalar& rhs)
+{
+ switch (m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+
+ case e_sint:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.sint >>= rhs.m_data.sint; break;
+ case e_uint: m_data.sint >>= rhs.m_data.uint; break;
+ case e_slong: m_data.sint >>= rhs.m_data.slong; break;
+ case e_ulong: m_data.sint >>= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.sint >>= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.sint >>= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_uint:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.uint >>= rhs.m_data.sint; break;
+ case e_uint: m_data.uint >>= rhs.m_data.uint; break;
+ case e_slong: m_data.uint >>= rhs.m_data.slong; break;
+ case e_ulong: m_data.uint >>= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.uint >>= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.uint >>= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_slong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.slong >>= rhs.m_data.sint; break;
+ case e_uint: m_data.slong >>= rhs.m_data.uint; break;
+ case e_slong: m_data.slong >>= rhs.m_data.slong; break;
+ case e_ulong: m_data.slong >>= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.slong >>= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.slong >>= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_ulong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.ulong >>= rhs.m_data.sint; break;
+ case e_uint: m_data.ulong >>= rhs.m_data.uint; break;
+ case e_slong: m_data.ulong >>= rhs.m_data.slong; break;
+ case e_ulong: m_data.ulong >>= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.ulong >>= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.ulong >>= rhs.m_data.ulonglong; break;
+ }
+ break;
+ case e_slonglong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.slonglong >>= rhs.m_data.sint; break;
+ case e_uint: m_data.slonglong >>= rhs.m_data.uint; break;
+ case e_slong: m_data.slonglong >>= rhs.m_data.slong; break;
+ case e_ulong: m_data.slonglong >>= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.slonglong >>= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.slonglong >>= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_ulonglong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.ulonglong >>= rhs.m_data.sint; break;
+ case e_uint: m_data.ulonglong >>= rhs.m_data.uint; break;
+ case e_slong: m_data.ulonglong >>= rhs.m_data.slong; break;
+ case e_ulong: m_data.ulonglong >>= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.ulonglong >>= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.ulonglong >>= rhs.m_data.ulonglong; break;
+ }
+ break;
+ }
+ return *this;
+}
+
+
+Scalar&
+Scalar::operator&= (const Scalar& rhs)
+{
+ switch (m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+
+ case e_sint:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.sint &= rhs.m_data.sint; break;
+ case e_uint: m_data.sint &= rhs.m_data.uint; break;
+ case e_slong: m_data.sint &= rhs.m_data.slong; break;
+ case e_ulong: m_data.sint &= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.sint &= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.sint &= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_uint:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.uint &= rhs.m_data.sint; break;
+ case e_uint: m_data.uint &= rhs.m_data.uint; break;
+ case e_slong: m_data.uint &= rhs.m_data.slong; break;
+ case e_ulong: m_data.uint &= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.uint &= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.uint &= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_slong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.slong &= rhs.m_data.sint; break;
+ case e_uint: m_data.slong &= rhs.m_data.uint; break;
+ case e_slong: m_data.slong &= rhs.m_data.slong; break;
+ case e_ulong: m_data.slong &= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.slong &= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.slong &= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_ulong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.ulong &= rhs.m_data.sint; break;
+ case e_uint: m_data.ulong &= rhs.m_data.uint; break;
+ case e_slong: m_data.ulong &= rhs.m_data.slong; break;
+ case e_ulong: m_data.ulong &= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.ulong &= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.ulong &= rhs.m_data.ulonglong; break;
+ }
+ break;
+ case e_slonglong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.slonglong &= rhs.m_data.sint; break;
+ case e_uint: m_data.slonglong &= rhs.m_data.uint; break;
+ case e_slong: m_data.slonglong &= rhs.m_data.slong; break;
+ case e_ulong: m_data.slonglong &= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.slonglong &= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.slonglong &= rhs.m_data.ulonglong; break;
+ }
+ break;
+
+ case e_ulonglong:
+ switch (rhs.m_type)
+ {
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ m_type = e_void;
+ break;
+ case e_sint: m_data.ulonglong &= rhs.m_data.sint; break;
+ case e_uint: m_data.ulonglong &= rhs.m_data.uint; break;
+ case e_slong: m_data.ulonglong &= rhs.m_data.slong; break;
+ case e_ulong: m_data.ulonglong &= rhs.m_data.ulong; break;
+ case e_slonglong: m_data.ulonglong &= rhs.m_data.slonglong; break;
+ case e_ulonglong: m_data.ulonglong &= rhs.m_data.ulonglong; break;
+ }
+ break;
+ }
+ return *this;
+}
+
+
+
+bool
+Scalar::AbsoluteValue()
+{
+ switch (m_type)
+ {
+ case e_void:
+ break;
+
+ case e_sint:
+ if (m_data.sint < 0)
+ m_data.sint = -m_data.sint;
+ return true;
+
+ case e_slong:
+ if (m_data.slong < 0)
+ m_data.slong = -m_data.slong;
+ return true;
+
+ case e_slonglong:
+ if (m_data.slonglong < 0)
+ m_data.slonglong = -m_data.slonglong;
+ return true;
+
+ case e_uint:
+ case e_ulong:
+ case e_ulonglong: return true;
+ case e_float: m_data.flt = fabsf(m_data.flt); return true;
+ case e_double: m_data.dbl = fabs(m_data.dbl); return true;
+ case e_long_double: m_data.ldbl = fabsl(m_data.ldbl); return true;
+ }
+ return false;
+}
+
+
+bool
+Scalar::UnaryNegate()
+{
+ switch (m_type)
+ {
+ case e_void: break;
+ case e_sint: m_data.sint = -m_data.sint; return true;
+ case e_uint: m_data.uint = -m_data.uint; return true;
+ case e_slong: m_data.slong = -m_data.slong; return true;
+ case e_ulong: m_data.ulong = -m_data.ulong; return true;
+ case e_slonglong: m_data.slonglong = -m_data.slonglong; return true;
+ case e_ulonglong: m_data.ulonglong = -m_data.ulonglong; return true;
+ case e_float: m_data.flt = -m_data.flt; return true;
+ case e_double: m_data.dbl = -m_data.dbl; return true;
+ case e_long_double: m_data.ldbl = -m_data.ldbl; return true;
+ }
+ return false;
+}
+
+bool
+Scalar::OnesComplement()
+{
+ switch (m_type)
+ {
+ case e_sint: m_data.sint = ~m_data.sint; return true;
+ case e_uint: m_data.uint = ~m_data.uint; return true;
+ case e_slong: m_data.slong = ~m_data.slong; return true;
+ case e_ulong: m_data.ulong = ~m_data.ulong; return true;
+ case e_slonglong: m_data.slonglong = ~m_data.slonglong; return true;
+ case e_ulonglong: m_data.ulonglong = ~m_data.ulonglong; return true;
+
+ case e_void:
+ case e_float:
+ case e_double:
+ case e_long_double:
+ break;
+ }
+ return false;
+}
+
+
+const Scalar
+lldb_private::operator+ (const Scalar& lhs, const Scalar& rhs)
+{
+ Scalar result;
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void)
+ {
+ switch (result.m_type)
+ {
+ case Scalar::e_void: break;
+ case Scalar::e_sint: result.m_data.sint = a->m_data.sint + b->m_data.sint; break;
+ case Scalar::e_uint: result.m_data.uint = a->m_data.uint + b->m_data.uint; break;
+ case Scalar::e_slong: result.m_data.slong = a->m_data.slong + b->m_data.slong; break;
+ case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong + b->m_data.ulong; break;
+ case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong + b->m_data.slonglong; break;
+ case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong + b->m_data.ulonglong; break;
+ case Scalar::e_float: result.m_data.flt = a->m_data.flt + b->m_data.flt; break;
+ case Scalar::e_double: result.m_data.dbl = a->m_data.dbl + b->m_data.dbl; break;
+ case Scalar::e_long_double: result.m_data.ldbl = a->m_data.ldbl + b->m_data.ldbl; break;
+ }
+ }
+ return result;
+}
+
+
+const Scalar
+lldb_private::operator- (const Scalar& lhs, const Scalar& rhs)
+{
+ Scalar result;
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void)
+ {
+ switch (result.m_type)
+ {
+ case Scalar::e_void: break;
+ case Scalar::e_sint: result.m_data.sint = a->m_data.sint - b->m_data.sint; break;
+ case Scalar::e_uint: result.m_data.uint = a->m_data.uint - b->m_data.uint; break;
+ case Scalar::e_slong: result.m_data.slong = a->m_data.slong - b->m_data.slong; break;
+ case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong - b->m_data.ulong; break;
+ case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong - b->m_data.slonglong; break;
+ case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong - b->m_data.ulonglong; break;
+ case Scalar::e_float: result.m_data.flt = a->m_data.flt - b->m_data.flt; break;
+ case Scalar::e_double: result.m_data.dbl = a->m_data.dbl - b->m_data.dbl; break;
+ case Scalar::e_long_double: result.m_data.ldbl = a->m_data.ldbl - b->m_data.ldbl; break;
+ }
+ }
+ return result;
+}
+
+const Scalar
+lldb_private::operator/ (const Scalar& lhs, const Scalar& rhs)
+{
+ Scalar result;
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void)
+ {
+ switch (result.m_type)
+ {
+ case Scalar::e_void: break;
+
+ case Scalar::e_sint: if (b->m_data.sint != 0) { result.m_data.sint = a->m_data.sint/ b->m_data.sint; return result; } break;
+ case Scalar::e_uint: if (b->m_data.uint != 0) { result.m_data.uint = a->m_data.uint / b->m_data.uint; return result; } break;
+ case Scalar::e_slong: if (b->m_data.slong != 0) { result.m_data.slong = a->m_data.slong / b->m_data.slong; return result; } break;
+ case Scalar::e_ulong: if (b->m_data.ulong != 0) { result.m_data.ulong = a->m_data.ulong / b->m_data.ulong; return result; } break;
+ case Scalar::e_slonglong: if (b->m_data.slonglong != 0) { result.m_data.slonglong = a->m_data.slonglong / b->m_data.slonglong; return result; } break;
+ case Scalar::e_ulonglong: if (b->m_data.ulonglong != 0) { result.m_data.ulonglong = a->m_data.ulonglong / b->m_data.ulonglong; return result; } break;
+ case Scalar::e_float: if (b->m_data.flt != 0.0f) { result.m_data.flt = a->m_data.flt / b->m_data.flt; return result; } break;
+ case Scalar::e_double: if (b->m_data.dbl != 0.0) { result.m_data.dbl = a->m_data.dbl / b->m_data.dbl; return result; } break;
+ case Scalar::e_long_double: if (b->m_data.ldbl != 0.0) { result.m_data.ldbl = a->m_data.ldbl / b->m_data.ldbl; return result; } break;
+ }
+ }
+ // For division only, the only way it should make it here is if a promotion failed,
+ // or if we are trying to do a divide by zero.
+ result.m_type = Scalar::e_void;
+ return result;
+}
+
+const Scalar
+lldb_private::operator* (const Scalar& lhs, const Scalar& rhs)
+{
+ Scalar result;
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void)
+ {
+ switch (result.m_type)
+ {
+ case Scalar::e_void: break;
+ case Scalar::e_sint: result.m_data.sint = a->m_data.sint * b->m_data.sint; break;
+ case Scalar::e_uint: result.m_data.uint = a->m_data.uint * b->m_data.uint; break;
+ case Scalar::e_slong: result.m_data.slong = a->m_data.slong * b->m_data.slong; break;
+ case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong * b->m_data.ulong; break;
+ case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong * b->m_data.slonglong; break;
+ case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong * b->m_data.ulonglong; break;
+ case Scalar::e_float: result.m_data.flt = a->m_data.flt * b->m_data.flt; break;
+ case Scalar::e_double: result.m_data.dbl = a->m_data.dbl * b->m_data.dbl; break;
+ case Scalar::e_long_double: result.m_data.ldbl = a->m_data.ldbl * b->m_data.ldbl; break;
+ }
+ }
+ return result;
+}
+
+const Scalar
+lldb_private::operator& (const Scalar& lhs, const Scalar& rhs)
+{
+ Scalar result;
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void)
+ {
+ switch (result.m_type)
+ {
+ case Scalar::e_sint: result.m_data.sint = a->m_data.sint & b->m_data.sint; break;
+ case Scalar::e_uint: result.m_data.uint = a->m_data.uint & b->m_data.uint; break;
+ case Scalar::e_slong: result.m_data.slong = a->m_data.slong & b->m_data.slong; break;
+ case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong & b->m_data.ulong; break;
+ case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong & b->m_data.slonglong; break;
+ case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong & b->m_data.ulonglong; break;
+
+ case Scalar::e_void:
+ case Scalar::e_float:
+ case Scalar::e_double:
+ case Scalar::e_long_double:
+ // No bitwise AND on floats, doubles of long doubles
+ result.m_type = Scalar::e_void;
+ break;
+ }
+ }
+ return result;
+}
+
+const Scalar
+lldb_private::operator| (const Scalar& lhs, const Scalar& rhs)
+{
+ Scalar result;
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void)
+ {
+ switch (result.m_type)
+ {
+ case Scalar::e_sint: result.m_data.sint = a->m_data.sint | b->m_data.sint; break;
+ case Scalar::e_uint: result.m_data.uint = a->m_data.uint | b->m_data.uint; break;
+ case Scalar::e_slong: result.m_data.slong = a->m_data.slong | b->m_data.slong; break;
+ case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong | b->m_data.ulong; break;
+ case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong | b->m_data.slonglong; break;
+ case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong | b->m_data.ulonglong; break;
+
+ case Scalar::e_void:
+ case Scalar::e_float:
+ case Scalar::e_double:
+ case Scalar::e_long_double:
+ // No bitwise AND on floats, doubles of long doubles
+ result.m_type = Scalar::e_void;
+ break;
+ }
+ }
+ return result;
+}
+
+const Scalar
+lldb_private::operator% (const Scalar& lhs, const Scalar& rhs)
+{
+ Scalar result;
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void)
+ {
+ switch (result.m_type)
+ {
+ default: break;
+ case Scalar::e_sint: if (b->m_data.sint != 0) { result.m_data.sint = a->m_data.sint % b->m_data.sint; return result; } break;
+ case Scalar::e_uint: if (b->m_data.uint != 0) { result.m_data.uint = a->m_data.uint % b->m_data.uint; return result; } break;
+ case Scalar::e_slong: if (b->m_data.slong != 0) { result.m_data.slong = a->m_data.slong % b->m_data.slong; return result; } break;
+ case Scalar::e_ulong: if (b->m_data.ulong != 0) { result.m_data.ulong = a->m_data.ulong % b->m_data.ulong; return result; } break;
+ case Scalar::e_slonglong: if (b->m_data.slonglong != 0) { result.m_data.slonglong = a->m_data.slonglong % b->m_data.slonglong; return result; } break;
+ case Scalar::e_ulonglong: if (b->m_data.ulonglong != 0) { result.m_data.ulonglong = a->m_data.ulonglong % b->m_data.ulonglong; return result; } break;
+ }
+ }
+ result.m_type = Scalar::e_void;
+ return result;
+}
+
+const Scalar
+lldb_private::operator^ (const Scalar& lhs, const Scalar& rhs)
+{
+ Scalar result;
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ if ((result.m_type = PromoteToMaxType(lhs, rhs, temp_value, a, b)) != Scalar::e_void)
+ {
+ switch (result.m_type)
+ {
+ case Scalar::e_sint: result.m_data.sint = a->m_data.sint ^ b->m_data.sint; break;
+ case Scalar::e_uint: result.m_data.uint = a->m_data.uint ^ b->m_data.uint; break;
+ case Scalar::e_slong: result.m_data.slong = a->m_data.slong ^ b->m_data.slong; break;
+ case Scalar::e_ulong: result.m_data.ulong = a->m_data.ulong ^ b->m_data.ulong; break;
+ case Scalar::e_slonglong: result.m_data.slonglong = a->m_data.slonglong ^ b->m_data.slonglong; break;
+ case Scalar::e_ulonglong: result.m_data.ulonglong = a->m_data.ulonglong ^ b->m_data.ulonglong; break;
+
+ case Scalar::e_void:
+ case Scalar::e_float:
+ case Scalar::e_double:
+ case Scalar::e_long_double:
+ // No bitwise AND on floats, doubles of long doubles
+ result.m_type = Scalar::e_void;
+ break;
+ }
+ }
+ return result;
+}
+
+const Scalar
+lldb_private::operator<< (const Scalar& lhs, const Scalar &rhs)
+{
+ Scalar result = lhs;
+ result <<= rhs;
+ return result;
+}
+
+const Scalar
+lldb_private::operator>> (const Scalar& lhs, const Scalar &rhs)
+{
+ Scalar result = lhs;
+ result >>= rhs;
+ return result;
+}
+
+// Return the raw unsigned integer without any casting or conversion
+unsigned int
+Scalar::RawUInt () const
+{
+ return m_data.uint;
+}
+
+// Return the raw unsigned long without any casting or conversion
+unsigned long
+Scalar::RawULong () const
+{
+ return m_data.ulong;
+}
+
+// Return the raw unsigned long long without any casting or conversion
+unsigned long long
+Scalar::RawULongLong () const
+{
+ return m_data.ulonglong;
+}
+
+
+Error
+Scalar::SetValueFromCString (const char *value_str, Encoding encoding, size_t byte_size)
+{
+ Error error;
+ if (value_str == NULL || value_str[0] == '\0')
+ {
+ error.SetErrorString ("Invalid c-string value string.");
+ return error;
+ }
+ bool success = false;
+ switch (encoding)
+ {
+ case eEncodingInvalid:
+ error.SetErrorString ("Invalid encoding.");
+ break;
+
+ case eEncodingUint:
+ if (byte_size <= sizeof (unsigned long long))
+ {
+ uint64_t uval64 = Args::StringToUInt64(value_str, UINT64_MAX, 0, &success);
+ if (!success)
+ error.SetErrorStringWithFormat ("'%s' is not a valid unsigned integer string value", value_str);
+ else if (!UIntValueIsValidForSize (uval64, byte_size))
+ error.SetErrorStringWithFormat ("value 0x%" PRIx64 " is too large to fit in a %zu byte unsigned integer value", uval64, byte_size);
+ else
+ {
+ m_type = Scalar::GetValueTypeForUnsignedIntegerWithByteSize (byte_size);
+ switch (m_type)
+ {
+ case e_uint: m_data.uint = (uint_t)uval64; break;
+ case e_ulong: m_data.ulong = (ulong_t)uval64; break;
+ case e_ulonglong: m_data.ulonglong = (ulonglong_t)uval64; break;
+ default:
+ error.SetErrorStringWithFormat ("unsupported unsigned integer byte size: %zu", byte_size);
+ break;
+ }
+ }
+ }
+ else
+ {
+ error.SetErrorStringWithFormat ("unsupported unsigned integer byte size: %zu", byte_size);
+ return error;
+ }
+ break;
+
+ case eEncodingSint:
+ if (byte_size <= sizeof (long long))
+ {
+ uint64_t sval64 = Args::StringToSInt64(value_str, INT64_MAX, 0, &success);
+ if (!success)
+ error.SetErrorStringWithFormat ("'%s' is not a valid signed integer string value", value_str);
+ else if (!SIntValueIsValidForSize (sval64, byte_size))
+ error.SetErrorStringWithFormat ("value 0x%" PRIx64 " is too large to fit in a %zu byte signed integer value", sval64, byte_size);
+ else
+ {
+ m_type = Scalar::GetValueTypeForSignedIntegerWithByteSize (byte_size);
+ switch (m_type)
+ {
+ case e_sint: m_data.sint = (sint_t)sval64; break;
+ case e_slong: m_data.slong = (slong_t)sval64; break;
+ case e_slonglong: m_data.slonglong = (slonglong_t)sval64; break;
+ default:
+ error.SetErrorStringWithFormat ("unsupported signed integer byte size: %zu", byte_size);
+ break;
+ }
+ }
+ }
+ else
+ {
+ error.SetErrorStringWithFormat ("unsupported signed integer byte size: %zu", byte_size);
+ return error;
+ }
+ break;
+
+ case eEncodingIEEE754:
+ if (byte_size == sizeof (float))
+ {
+ if (::sscanf (value_str, "%f", &m_data.flt) == 1)
+ m_type = e_float;
+ else
+ error.SetErrorStringWithFormat ("'%s' is not a valid float string value", value_str);
+ }
+ else if (byte_size == sizeof (double))
+ {
+ if (::sscanf (value_str, "%lf", &m_data.dbl) == 1)
+ m_type = e_double;
+ else
+ error.SetErrorStringWithFormat ("'%s' is not a valid float string value", value_str);
+ }
+ else if (byte_size == sizeof (long double))
+ {
+ if (::sscanf (value_str, "%Lf", &m_data.ldbl) == 1)
+ m_type = e_long_double;
+ else
+ error.SetErrorStringWithFormat ("'%s' is not a valid float string value", value_str);
+ }
+ else
+ {
+ error.SetErrorStringWithFormat ("unsupported float byte size: %zu", byte_size);
+ return error;
+ }
+ break;
+
+ case eEncodingVector:
+ error.SetErrorString ("vector encoding unsupported.");
+ break;
+ }
+ if (error.Fail())
+ m_type = e_void;
+
+ return error;
+}
+
+Error
+Scalar::SetValueFromData (DataExtractor &data, lldb::Encoding encoding, size_t byte_size)
+{
+ Error error;
+
+ switch (encoding)
+ {
+ case lldb::eEncodingInvalid:
+ error.SetErrorString ("invalid encoding");
+ break;
+ case lldb::eEncodingVector:
+ error.SetErrorString ("vector encoding unsupported");
+ break;
+ case lldb::eEncodingUint:
+ {
+ lldb::offset_t offset;
+
+ switch (byte_size)
+ {
+ case 1: operator=((uint8_t)data.GetU8(&offset)); break;
+ case 2: operator=((uint16_t)data.GetU16(&offset)); break;
+ case 4: operator=((uint32_t)data.GetU32(&offset)); break;
+ case 8: operator=((uint64_t)data.GetU64(&offset)); break;
+ default:
+ error.SetErrorStringWithFormat ("unsupported unsigned integer byte size: %zu", byte_size);
+ break;
+ }
+ }
+ break;
+ case lldb::eEncodingSint:
+ {
+ lldb::offset_t offset;
+
+ switch (byte_size)
+ {
+ case 1: operator=((int8_t)data.GetU8(&offset)); break;
+ case 2: operator=((int16_t)data.GetU16(&offset)); break;
+ case 4: operator=((int32_t)data.GetU32(&offset)); break;
+ case 8: operator=((int64_t)data.GetU64(&offset)); break;
+ default:
+ error.SetErrorStringWithFormat ("unsupported signed integer byte size: %zu", byte_size);
+ break;
+ }
+ }
+ break;
+ case lldb::eEncodingIEEE754:
+ {
+ lldb::offset_t offset;
+
+ if (byte_size == sizeof (float))
+ operator=((float)data.GetFloat(&offset));
+ else if (byte_size == sizeof (double))
+ operator=((double)data.GetDouble(&offset));
+ else if (byte_size == sizeof (long double))
+ operator=((long double)data.GetLongDouble(&offset));
+ else
+ error.SetErrorStringWithFormat ("unsupported float byte size: %zu", byte_size);
+ }
+ break;
+ }
+
+ return error;
+}
+
+bool
+Scalar::SignExtend (uint32_t sign_bit_pos)
+{
+ const uint32_t max_bit_pos = GetByteSize() * 8;
+
+ if (sign_bit_pos < max_bit_pos)
+ {
+ switch (m_type)
+ {
+ case Scalar::e_void:
+ case Scalar::e_float:
+ case Scalar::e_double:
+ case Scalar::e_long_double:
+ return false;
+
+ case Scalar::e_sint:
+ case Scalar::e_uint:
+ if (max_bit_pos == sign_bit_pos)
+ return true;
+ else if (sign_bit_pos < (max_bit_pos-1))
+ {
+ unsigned int sign_bit = 1u << sign_bit_pos;
+ if (m_data.uint & sign_bit)
+ {
+ const unsigned int mask = ~(sign_bit) + 1u;
+ m_data.uint |= mask;
+ }
+ return true;
+ }
+ break;
+
+ case Scalar::e_slong:
+ case Scalar::e_ulong:
+ if (max_bit_pos == sign_bit_pos)
+ return true;
+ else if (sign_bit_pos < (max_bit_pos-1))
+ {
+ unsigned long sign_bit = 1ul << sign_bit_pos;
+ if (m_data.ulong & sign_bit)
+ {
+ const unsigned long mask = ~(sign_bit) + 1ul;
+ m_data.ulong |= mask;
+ }
+ return true;
+ }
+ break;
+
+ case Scalar::e_slonglong:
+ case Scalar::e_ulonglong:
+ if (max_bit_pos == sign_bit_pos)
+ return true;
+ else if (sign_bit_pos < (max_bit_pos-1))
+ {
+ unsigned long long sign_bit = 1ull << sign_bit_pos;
+ if (m_data.ulonglong & sign_bit)
+ {
+ const unsigned long long mask = ~(sign_bit) + 1ull;
+ m_data.ulonglong |= mask;
+ }
+ return true;
+ }
+ break;
+ }
+ }
+ return false;
+}
+
+size_t
+Scalar::GetAsMemoryData (void *dst,
+ size_t dst_len,
+ lldb::ByteOrder dst_byte_order,
+ Error &error) const
+{
+ // Get a data extractor that points to the native scalar data
+ DataExtractor data;
+ if (!GetData(data))
+ {
+ error.SetErrorString ("invalid scalar value");
+ return 0;
+ }
+
+ const size_t src_len = data.GetByteSize();
+
+ // Prepare a memory buffer that contains some or all of the register value
+ const size_t bytes_copied = data.CopyByteOrderedData (0, // src offset
+ src_len, // src length
+ dst, // dst buffer
+ dst_len, // dst length
+ dst_byte_order); // dst byte order
+ if (bytes_copied == 0)
+ error.SetErrorString ("failed to copy data");
+
+ return bytes_copied;
+}
+
+bool
+Scalar::ExtractBitfield (uint32_t bit_size,
+ uint32_t bit_offset)
+{
+ if (bit_size == 0)
+ return true;
+
+ uint32_t msbit = bit_offset + bit_size - 1;
+ uint32_t lsbit = bit_offset;
+ switch (m_type)
+ {
+ case Scalar::e_void:
+ break;
+
+ case e_float:
+ if (sizeof(m_data.flt) == sizeof(sint_t))
+ m_data.sint = (sint_t)SignedBits (m_data.sint, msbit, lsbit);
+ else if (sizeof(m_data.flt) == sizeof(ulong_t))
+ m_data.slong = (slong_t)SignedBits (m_data.slong, msbit, lsbit);
+ else if (sizeof(m_data.flt) == sizeof(ulonglong_t))
+ m_data.slonglong = (slonglong_t)SignedBits (m_data.slonglong, msbit, lsbit);
+ else
+ return false;
+ return true;
+
+ case e_double:
+ if (sizeof(m_data.dbl) == sizeof(sint_t))
+ m_data.sint = SignedBits (m_data.sint, msbit, lsbit);
+ else if (sizeof(m_data.dbl) == sizeof(ulong_t))
+ m_data.slong = SignedBits (m_data.slong, msbit, lsbit);
+ else if (sizeof(m_data.dbl) == sizeof(ulonglong_t))
+ m_data.slonglong = SignedBits (m_data.slonglong, msbit, lsbit);
+ else
+ return false;
+ return true;
+
+ case e_long_double:
+ if (sizeof(m_data.ldbl) == sizeof(sint_t))
+ m_data.sint = SignedBits (m_data.sint, msbit, lsbit);
+ else if (sizeof(m_data.ldbl) == sizeof(ulong_t))
+ m_data.slong = SignedBits (m_data.slong, msbit, lsbit);
+ else if (sizeof(m_data.ldbl) == sizeof(ulonglong_t))
+ m_data.slonglong = SignedBits (m_data.slonglong, msbit, lsbit);
+ else
+ return false;
+ return true;
+
+ case Scalar::e_sint:
+ m_data.sint = (sint_t)SignedBits (m_data.sint, msbit, lsbit);
+ return true;
+
+ case Scalar::e_uint:
+ m_data.uint = (uint_t)UnsignedBits (m_data.uint, msbit, lsbit);
+ return true;
+
+ case Scalar::e_slong:
+ m_data.slong = (slong_t)SignedBits (m_data.slong, msbit, lsbit);
+ return true;
+
+ case Scalar::e_ulong:
+ m_data.ulong = (ulong_t)UnsignedBits (m_data.ulong, msbit, lsbit);
+ return true;
+
+ case Scalar::e_slonglong:
+ m_data.slonglong = (slonglong_t)SignedBits (m_data.slonglong, msbit, lsbit);
+ return true;
+
+ case Scalar::e_ulonglong:
+ m_data.ulonglong = (ulonglong_t)UnsignedBits (m_data.ulonglong, msbit, lsbit);
+ return true;
+ }
+ return false;
+}
+
+
+
+
+
+bool
+lldb_private::operator== (const Scalar& lhs, const Scalar& rhs)
+{
+ // If either entry is void then we can just compare the types
+ if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void)
+ return lhs.m_type == rhs.m_type;
+
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ switch (PromoteToMaxType(lhs, rhs, temp_value, a, b))
+ {
+ case Scalar::e_void: break;
+ case Scalar::e_sint: return a->m_data.sint == b->m_data.sint;
+ case Scalar::e_uint: return a->m_data.uint == b->m_data.uint;
+ case Scalar::e_slong: return a->m_data.slong == b->m_data.slong;
+ case Scalar::e_ulong: return a->m_data.ulong == b->m_data.ulong;
+ case Scalar::e_slonglong: return a->m_data.slonglong == b->m_data.slonglong;
+ case Scalar::e_ulonglong: return a->m_data.ulonglong == b->m_data.ulonglong;
+ case Scalar::e_float: return a->m_data.flt == b->m_data.flt;
+ case Scalar::e_double: return a->m_data.dbl == b->m_data.dbl;
+ case Scalar::e_long_double: return a->m_data.ldbl == b->m_data.ldbl;
+ }
+ return false;
+}
+
+bool
+lldb_private::operator!= (const Scalar& lhs, const Scalar& rhs)
+{
+ // If either entry is void then we can just compare the types
+ if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void)
+ return lhs.m_type != rhs.m_type;
+
+ Scalar temp_value; // A temp value that might get a copy of either promoted value
+ const Scalar* a;
+ const Scalar* b;
+ switch (PromoteToMaxType(lhs, rhs, temp_value, a, b))
+ {
+ case Scalar::e_void: break;
+ case Scalar::e_sint: return a->m_data.sint != b->m_data.sint;
+ case Scalar::e_uint: return a->m_data.uint != b->m_data.uint;
+ case Scalar::e_slong: return a->m_data.slong != b->m_data.slong;
+ case Scalar::e_ulong: return a->m_data.ulong != b->m_data.ulong;
+ case Scalar::e_slonglong: return a->m_data.slonglong != b->m_data.slonglong;
+ case Scalar::e_ulonglong: return a->m_data.ulonglong != b->m_data.ulonglong;
+ case Scalar::e_float: return a->m_data.flt != b->m_data.flt;
+ case Scalar::e_double: return a->m_data.dbl != b->m_data.dbl;
+ case Scalar::e_long_double: return a->m_data.ldbl != b->m_data.ldbl;
+ }
+ return true;
+}
+
+bool
+lldb_private::operator< (const Scalar& lhs, const Scalar& rhs)
+{
+ if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void)
+ return false;
+
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ switch (PromoteToMaxType(lhs, rhs, temp_value, a, b))
+ {
+ case Scalar::e_void: break;
+ case Scalar::e_sint: return a->m_data.sint < b->m_data.sint;
+ case Scalar::e_uint: return a->m_data.uint < b->m_data.uint;
+ case Scalar::e_slong: return a->m_data.slong < b->m_data.slong;
+ case Scalar::e_ulong: return a->m_data.ulong < b->m_data.ulong;
+ case Scalar::e_slonglong: return a->m_data.slonglong < b->m_data.slonglong;
+ case Scalar::e_ulonglong: return a->m_data.ulonglong < b->m_data.ulonglong;
+ case Scalar::e_float: return a->m_data.flt < b->m_data.flt;
+ case Scalar::e_double: return a->m_data.dbl < b->m_data.dbl;
+ case Scalar::e_long_double: return a->m_data.ldbl < b->m_data.ldbl;
+ }
+ return false;
+}
+
+bool
+lldb_private::operator<= (const Scalar& lhs, const Scalar& rhs)
+{
+ if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void)
+ return false;
+
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ switch (PromoteToMaxType(lhs, rhs, temp_value, a, b))
+ {
+ case Scalar::e_void: break;
+ case Scalar::e_sint: return a->m_data.sint <= b->m_data.sint;
+ case Scalar::e_uint: return a->m_data.uint <= b->m_data.uint;
+ case Scalar::e_slong: return a->m_data.slong <= b->m_data.slong;
+ case Scalar::e_ulong: return a->m_data.ulong <= b->m_data.ulong;
+ case Scalar::e_slonglong: return a->m_data.slonglong <= b->m_data.slonglong;
+ case Scalar::e_ulonglong: return a->m_data.ulonglong <= b->m_data.ulonglong;
+ case Scalar::e_float: return a->m_data.flt <= b->m_data.flt;
+ case Scalar::e_double: return a->m_data.dbl <= b->m_data.dbl;
+ case Scalar::e_long_double: return a->m_data.ldbl <= b->m_data.ldbl;
+ }
+ return false;
+}
+
+
+bool
+lldb_private::operator> (const Scalar& lhs, const Scalar& rhs)
+{
+ if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void)
+ return false;
+
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ switch (PromoteToMaxType(lhs, rhs, temp_value, a, b))
+ {
+ case Scalar::e_void: break;
+ case Scalar::e_sint: return a->m_data.sint > b->m_data.sint;
+ case Scalar::e_uint: return a->m_data.uint > b->m_data.uint;
+ case Scalar::e_slong: return a->m_data.slong > b->m_data.slong;
+ case Scalar::e_ulong: return a->m_data.ulong > b->m_data.ulong;
+ case Scalar::e_slonglong: return a->m_data.slonglong > b->m_data.slonglong;
+ case Scalar::e_ulonglong: return a->m_data.ulonglong > b->m_data.ulonglong;
+ case Scalar::e_float: return a->m_data.flt > b->m_data.flt;
+ case Scalar::e_double: return a->m_data.dbl > b->m_data.dbl;
+ case Scalar::e_long_double: return a->m_data.ldbl > b->m_data.ldbl;
+ }
+ return false;
+}
+
+bool
+lldb_private::operator>= (const Scalar& lhs, const Scalar& rhs)
+{
+ if (lhs.m_type == Scalar::e_void || rhs.m_type == Scalar::e_void)
+ return false;
+
+ Scalar temp_value;
+ const Scalar* a;
+ const Scalar* b;
+ switch (PromoteToMaxType(lhs, rhs, temp_value, a, b))
+ {
+ case Scalar::e_void: break;
+ case Scalar::e_sint: return a->m_data.sint >= b->m_data.sint;
+ case Scalar::e_uint: return a->m_data.uint >= b->m_data.uint;
+ case Scalar::e_slong: return a->m_data.slong >= b->m_data.slong;
+ case Scalar::e_ulong: return a->m_data.ulong >= b->m_data.ulong;
+ case Scalar::e_slonglong: return a->m_data.slonglong >= b->m_data.slonglong;
+ case Scalar::e_ulonglong: return a->m_data.ulonglong >= b->m_data.ulonglong;
+ case Scalar::e_float: return a->m_data.flt >= b->m_data.flt;
+ case Scalar::e_double: return a->m_data.dbl >= b->m_data.dbl;
+ case Scalar::e_long_double: return a->m_data.ldbl >= b->m_data.ldbl;
+ }
+ return false;
+}
+
+
+
+