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// Convert DMD CodeView debug information to PDB files
// Copyright (c) 2009-2010 by Rainer Schuetze, All Rights Reserved
//
// License for redistribution is given by the Artistic License 2.0
// see file LICENSE for further details
#include "cvutil.h"
bool isStruct(const codeview_type* cvtype)
{
switch(cvtype->common.id)
{
case LF_STRUCTURE_V1:
case LF_CLASS_V1:
case LF_STRUCTURE_V2:
case LF_CLASS_V2:
case LF_STRUCTURE_V3:
case LF_CLASS_V3:
return true;
}
return false;
}
bool isClass(const codeview_type* cvtype)
{
switch(cvtype->common.id)
{
case LF_CLASS_V1:
case LF_CLASS_V2:
case LF_CLASS_V3:
return true;
}
return false;
}
int getStructProperty(const codeview_type* cvtype)
{
switch(cvtype->common.id)
{
case LF_STRUCTURE_V1:
case LF_CLASS_V1:
return cvtype->struct_v1.property;
case LF_STRUCTURE_V2:
case LF_CLASS_V2:
return cvtype->struct_v2.property;
case LF_STRUCTURE_V3:
case LF_CLASS_V3:
return cvtype->struct_v3.property;
}
return 0;
}
int getStructFieldlist(const codeview_type* cvtype)
{
switch(cvtype->common.id)
{
case LF_STRUCTURE_V1:
case LF_CLASS_V1:
return cvtype->struct_v1.fieldlist;
case LF_STRUCTURE_V2:
case LF_CLASS_V2:
return cvtype->struct_v2.fieldlist;
case LF_STRUCTURE_V3:
case LF_CLASS_V3:
return cvtype->struct_v3.fieldlist;
}
return 0;
}
const BYTE* getStructName(const codeview_type* cvtype, bool &cstr)
{
int value, leaf_len;
switch(cvtype->common.id)
{
case LF_STRUCTURE_V1:
case LF_CLASS_V1:
cstr = false;
leaf_len = numeric_leaf(&value, &cvtype->struct_v1.structlen);
return (const BYTE*) &cvtype->struct_v1.structlen + leaf_len;
case LF_STRUCTURE_V2:
case LF_CLASS_V2:
cstr = false;
leaf_len = numeric_leaf(&value, &cvtype->struct_v2.structlen);
return (const BYTE*) &cvtype->struct_v2.structlen + leaf_len;
case LF_STRUCTURE_V3:
case LF_CLASS_V3:
cstr = true;
leaf_len = numeric_leaf(&value, &cvtype->struct_v3.structlen);
return (const BYTE*) &cvtype->struct_v3.structlen + leaf_len;
}
return 0;
}
bool cmpStructName(const codeview_type* cvtype, const BYTE* name, bool cstr)
{
bool cstr2;
const BYTE* name2 = getStructName(cvtype, cstr2);
if(!name || !name2)
return name == name2;
return dstrcmp(name, cstr, name2, cstr2);
}
bool isCompleteStruct(const codeview_type* type, const BYTE* name, bool cstr)
{
return isStruct(type)
&& !(getStructProperty(type) & kPropIncomplete)
&& cmpStructName(type, name, cstr);
}
int numeric_leaf(int* value, const void* leaf)
{
unsigned short int type = *(const unsigned short int*) leaf;
leaf = (const unsigned short int*) leaf + 1;
int length = 2;
*value = 0;
switch (type)
{
case LF_CHAR:
length += 1;
*value = *(const char*)leaf;
break;
case LF_SHORT:
length += 2;
*value = *(const short*)leaf;
break;
case LF_USHORT:
length += 2;
*value = *(const unsigned short*)leaf;
break;
case LF_LONG:
case LF_ULONG:
length += 4;
*value = *(const int*)leaf;
break;
case LF_COMPLEX64:
case LF_QUADWORD:
case LF_UQUADWORD:
case LF_REAL64:
length += 8;
break;
case LF_COMPLEX32:
case LF_REAL32:
length += 4;
break;
case LF_REAL48:
length += 6;
break;
case LF_COMPLEX80:
case LF_REAL80:
length += 10;
break;
case LF_COMPLEX128:
case LF_REAL128:
length += 16;
break;
case LF_VARSTRING:
length += 2 + *(const unsigned short*)leaf;
break;
default:
if (type < LF_NUMERIC)
*value = type;
else
{
length = 0; // error!
}
break;
}
return length;
}
int write_numeric_leaf(int value, void* leaf)
{
if(value >= 0 && value < LF_NUMERIC)
{
*(unsigned short int*) leaf = (unsigned short) value;
return 2;
}
unsigned short int* type = (unsigned short int*) leaf;
leaf = type + 1;
if (value >= -128 && value <= 127)
{
*type = LF_CHAR;
*(char*) leaf = (char)value;
return 3;
}
if (value >= -32768 && value <= 32767)
{
*type = LF_SHORT;
*(short*) leaf = (short)value;
return 4;
}
if (value >= 0 && value <= 65535)
{
*type = LF_USHORT;
*(unsigned short*) leaf = (unsigned short)value;
return 4;
}
*type = LF_LONG;
*(long*) leaf = (long)value;
return 6;
}
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