private static TemplateParam ParseParam(string strname, ref int pos)
{
ComplexTemplParam topComplex = null;
ComplexTemplParam currentComplex = null;
int state = 0;
bool signed = false;
bool unsigned = false;
int templParamUdtNameLen = 0;
for (; pos < strname.Length; pos++)
{
char ch = strname[pos];
switch (state)
{
case 0:
if (char.IsDigit(ch))
{
templParamUdtNameLen = (int)char.GetNumericValue(ch);
state = 1;
}
else
{
PrimitiveTemplParam prim = TryParsePrimitive(ch);
if (prim != null)
{
prim.Signed = signed;
prim.Unsigned = unsigned;
signed = false;
unsigned = false;
if (currentComplex != null)
{
currentComplex.Combine(prim);
return(topComplex);
}
else
{
return(prim);
}
}
else
{
switch (ch)
{
case 'u':
unsigned = true;
break;
case 'z':
signed = true;
break;
case 'x':
case 'w':
ModifierTemplParam newModifier = new ModifierTemplParam();
if (ch == 'x')
{
newModifier.Attributes |= ModifierAttributes.Const;
}
else if (ch == 'w')
{
newModifier.Attributes |= ModifierAttributes.Volatile;
}
if (topComplex == null)
{
topComplex = newModifier;
currentComplex = newModifier;
}
else
{
currentComplex.Combine(newModifier, out currentComplex);
}
break;
case 'p':
case 'r':
PointerTemplParam newPointer = new PointerTemplParam();
newPointer.IsReference = ch == 'r';
if (topComplex == null)
{
topComplex = newPointer;
currentComplex = newPointer;
}
else
{
currentComplex.Combine(newPointer, out currentComplex);
}
break;
case 'q':
pos++;
FuncTemplParam funcParam = ParseFuncParam(strname, ref pos);
if (currentComplex != null)
{
currentComplex.Combine(funcParam);
return(topComplex);
}
else
{
return(funcParam);
}
default:
pos--;
return(null);
}
}
}
break;
case 1:
if (char.IsDigit(ch))
{
templParamUdtNameLen *= 10;
templParamUdtNameLen += (int)char.GetNumericValue(ch);
}
else
{
if (strname.Length < pos + templParamUdtNameLen)
{
throw new ApplicationException("Invalid type name length: " + templParamUdtNameLen.ToString() + ", exceed name length: " + strname.Length.ToString());
}
TagTemplParam tagTemplParam = new TagTemplParam();
tagTemplParam.Tag = TranslateUdtNameV2(strname.Substring(pos, templParamUdtNameLen));
pos += templParamUdtNameLen - 1;
if (currentComplex != null)
{
currentComplex.Combine(tagTemplParam);
return(topComplex);
}
else
{
return(tagTemplParam);
}
}
break;
}
}
return(null);
}
private static Name TranslateUdtNameV1(string strname)
{
StringBuilder tag = new StringBuilder();
Name result = new Name();
List<TemplateParam> templateParams = null;
int state = 0;
//int param = 0;
//bool unsigned = false;
StringBuilder constTemplParam = null;
int templParamUdtNameLen = 0;
StringBuilder specialName = null;
int i = 0;
for (; i < strname.Length; i++)
{
char ch = strname[i];
switch (state)
{
case 0:
switch (ch)
{
case '@':
if (result.Namespaces == null)
result.Namespaces = new List<Name>();
Name currentName = new Name();
currentName.Tag = tag.ToString();
currentName.TemplateParameters = templateParams;
result.Namespaces.Add(currentName);
tag = new StringBuilder();
templateParams = null;
break;
case '%':
if (tag.Length == 0)
{
templateParams = new List<TemplateParam>();
state = 1;
}
else
{
throw new ApplicationException("Invalid character in state 0:" + ch);
}
break;
case '$':
if (tag.Length == 0)
state = 12; // special name
else
state = 14; // parameters
break;
default:
tag.Append(ch);
break;
}
break;
case 1:
switch (ch)
{
case '$':
state = 2;
break;
default:
tag.Append(ch);
break;
}
break;
case 2:
switch (ch)
{
case 'i':
state = 9;
break;
case 'u':
//unsigned = true;
break;
case 't':
templParamUdtNameLen = 0;
state = 8;
break;
case '%':
state = 0;
break;
default:
throw new ApplicationException("Invalid character while in state 2: " + ch + ", in string: " + strname);
}
break;
case 5: // constant in template
if (char.IsDigit(ch))
{
constTemplParam.Append(ch);
}
else
{
templateParams.Add(new ImmTemplParam(constTemplParam.ToString()));
state = 11;
i--;
}
break;
case 8:
if (char.IsDigit(ch))
{
templParamUdtNameLen *= 10;
templParamUdtNameLen += (int)char.GetNumericValue(ch);
}
else
{
//if (strname.Length < i + templParamUdtNameLen)
// throw new ApplicationException("Invalid type name length: " + templParamUdtNameLen.ToString() + ", exceed name length: " + strname.Length.ToString());
TagTemplParam tagpar = new TagTemplParam();
tagpar.Tag = TranslateUdtNameV1(strname.Substring(i, templParamUdtNameLen));
templateParams.Add(tagpar);
i += templParamUdtNameLen - 1;
state = 11;
}
break;
case 9:
switch (ch)
{
case 'c':
//param = 2;
state = 10;
break;
case 'u':
//unsigned = true;
break;
//default: ;
// throw new ApplicationException("Invalid character while in state 2: " + ch + ", in string: " + strname);
}
break;
case 10:
switch (ch)
{
case '$':
state = 5;
constTemplParam = new StringBuilder();
break;
default:
throw new ApplicationException("Invalid character while in state " + state.ToString() + ": " + ch + ", in string: " + strname);
}
break;
case 11:
switch (ch)
{
case '$':
state = 2;
break;
case '%':
state = 2;
i--;
break;
}
break;
case 12:
if (ch == 'b')
{
state = 13; // special name
specialName = new StringBuilder();
}
else
{
throw new ApplicationException("Invalid character in state 9: " + ch);
}
break;
case 13:
if (ch == '$')
{
result.IsSpecial = true;
result.SpecialName = StrToSpcName(specialName.ToString());
specialName = null;
state = 14;
break;
}
else
{
specialName.Append(ch);
}
break;
case 14:
// ignoring parameters
break;
default:
Debug.Fail("Invalid state: " + state.ToString());
break;
}
}
if (state != 0 && state != 14)
throw new ApplicationException("Unexpected end of name while in state: " + state.ToString());
result.Tag = tag.ToString();
result.TemplateParameters = templateParams;
return result;
}
private static Name TranslateUdtNameV1(string strname)
{
StringBuilder tag = new StringBuilder();
Name result = new Name();
List <TemplateParam> templateParams = null;
int state = 0;
//int param = 0;
//bool unsigned = false;
StringBuilder constTemplParam = null;
int templParamUdtNameLen = 0;
StringBuilder specialName = null;
int i = 0;
for (; i < strname.Length; i++)
{
char ch = strname[i];
switch (state)
{
case 0:
switch (ch)
{
case '@':
if (result.Namespaces == null)
{
result.Namespaces = new List <Name>();
}
Name currentName = new Name();
currentName.Tag = tag.ToString();
currentName.TemplateParameters = templateParams;
result.Namespaces.Add(currentName);
tag = new StringBuilder();
templateParams = null;
break;
case '%':
if (tag.Length == 0)
{
templateParams = new List <TemplateParam>();
state = 1;
}
else
{
throw new ApplicationException("Invalid character in state 0:" + ch);
}
break;
case '$':
if (tag.Length == 0)
{
state = 12; // special name
}
else
{
state = 14; // parameters
}
break;
default:
tag.Append(ch);
break;
}
break;
case 1:
switch (ch)
{
case '$':
state = 2;
break;
default:
tag.Append(ch);
break;
}
break;
case 2:
switch (ch)
{
case 'i':
state = 9;
break;
case 'u':
//unsigned = true;
break;
case 't':
templParamUdtNameLen = 0;
state = 8;
break;
case '%':
state = 0;
break;
default:
throw new ApplicationException("Invalid character while in state 2: " + ch + ", in string: " + strname);
}
break;
case 5: // constant in template
if (char.IsDigit(ch))
{
constTemplParam.Append(ch);
}
else
{
templateParams.Add(new ImmTemplParam(constTemplParam.ToString()));
state = 11;
i--;
}
break;
case 8:
if (char.IsDigit(ch))
{
templParamUdtNameLen *= 10;
templParamUdtNameLen += (int)char.GetNumericValue(ch);
}
else
{
//if (strname.Length < i + templParamUdtNameLen)
// throw new ApplicationException("Invalid type name length: " + templParamUdtNameLen.ToString() + ", exceed name length: " + strname.Length.ToString());
TagTemplParam tagpar = new TagTemplParam();
tagpar.Tag = TranslateUdtNameV1(strname.Substring(i, templParamUdtNameLen));
templateParams.Add(tagpar);
i += templParamUdtNameLen - 1;
state = 11;
}
break;
case 9:
switch (ch)
{
case 'c':
//param = 2;
state = 10;
break;
case 'u':
//unsigned = true;
break;
//default: ;
// throw new ApplicationException("Invalid character while in state 2: " + ch + ", in string: " + strname);
}
break;
case 10:
switch (ch)
{
case '$':
state = 5;
constTemplParam = new StringBuilder();
break;
default:
throw new ApplicationException("Invalid character while in state " + state.ToString() + ": " + ch + ", in string: " + strname);
}
break;
case 11:
switch (ch)
{
case '$':
state = 2;
break;
case '%':
state = 2;
i--;
break;
}
break;
case 12:
if (ch == 'b')
{
state = 13; // special name
specialName = new StringBuilder();
}
else
{
throw new ApplicationException("Invalid character in state 9: " + ch);
}
break;
case 13:
if (ch == '$')
{
result.IsSpecial = true;
result.SpecialName = StrToSpcName(specialName.ToString());
specialName = null;
state = 14;
break;
}
else
{
specialName.Append(ch);
}
break;
case 14:
// ignoring parameters
break;
default:
Debug.Fail("Invalid state: " + state.ToString());
break;
}
}
if (state != 0 && state != 14)
{
throw new ApplicationException("Unexpected end of name while in state: " + state.ToString());
}
result.Tag = tag.ToString();
result.TemplateParameters = templateParams;
return(result);
}
private static TemplateParam ParseParam(string strname, ref int pos)
{
ComplexTemplParam topComplex = null;
ComplexTemplParam currentComplex = null;
int state = 0;
bool signed = false;
bool unsigned = false;
int templParamUdtNameLen = 0;
for (; pos < strname.Length; pos++)
{
char ch = strname[pos];
switch (state)
{
case 0:
if (char.IsDigit(ch))
{
templParamUdtNameLen = (int)char.GetNumericValue(ch);
state = 1;
}
else
{
PrimitiveTemplParam prim = TryParsePrimitive(ch);
if (prim != null)
{
prim.Signed = signed;
prim.Unsigned = unsigned;
signed = false;
unsigned = false;
if (currentComplex != null)
{
currentComplex.Combine(prim);
return topComplex;
}
else
{
return prim;
}
}
else
{
switch (ch)
{
case 'u':
unsigned = true;
break;
case 'z':
signed = true;
break;
case 'x':
case 'w':
ModifierTemplParam newModifier = new ModifierTemplParam();
if (ch == 'x')
newModifier.Attributes |= ModifierAttributes.Const;
else if (ch == 'w')
newModifier.Attributes |= ModifierAttributes.Volatile;
if (topComplex == null)
{
topComplex = newModifier;
currentComplex = newModifier;
}
else
{
currentComplex.Combine(newModifier, out currentComplex);
}
break;
case 'p':
case 'r':
PointerTemplParam newPointer = new PointerTemplParam();
newPointer.IsReference = ch == 'r';
if (topComplex == null)
{
topComplex = newPointer;
currentComplex = newPointer;
}
else
{
currentComplex.Combine(newPointer, out currentComplex);
}
break;
case 'q':
pos++;
FuncTemplParam funcParam = ParseFuncParam(strname, ref pos);
if (currentComplex != null)
{
currentComplex.Combine(funcParam);
return topComplex;
}
else
{
return funcParam;
}
default:
pos--;
return null;
}
}
}
break;
case 1:
if (char.IsDigit(ch))
{
templParamUdtNameLen *= 10;
templParamUdtNameLen += (int)char.GetNumericValue(ch);
}
else
{
if (strname.Length < pos + templParamUdtNameLen)
throw new ApplicationException("Invalid type name length: " + templParamUdtNameLen.ToString() + ", exceed name length: " + strname.Length.ToString());
TagTemplParam tagTemplParam = new TagTemplParam();
tagTemplParam.Tag = TranslateUdtNameV2(strname.Substring(pos, templParamUdtNameLen));
pos += templParamUdtNameLen - 1;
if (currentComplex != null)
{
currentComplex.Combine(tagTemplParam);
return topComplex;
}
else
{
return tagTemplParam;
}
}
break;
}
}
return null;
}
