public _PC GetLookAhead(bool start)
{
_PC result = this.GetLookAhead();
if (start)
{
result.EnsureStarted();
}
return(result);
}
static CodeStatementCollection _ParseStatements(_PC pc, bool includeComments = false)
{
var result = new CodeStatementCollection();
pc.EnsureStarted();
while (!pc.IsEnded && ST.rbrace != pc.SymbolId)
{
result.Add(_ParseStatement(pc, includeComments));
}
return(result);
}
/// <summary>
/// Parses a <see cref="CodeTypeDeclaration"/> from the specified input
/// </summary>
/// <param name="input">The input to parse</param>
/// <returns>A <see cref="CodeTypeDeclaration"/> representing the parsed code</returns>
public static CodeTypeDeclaration ParseType(IEnumerable <char> input)
{
using (var e = new ST(input).GetEnumerator())
{
var pc = new _PC(e);
pc.EnsureStarted();
var result = _ParseType(pc);
if (!pc.IsEnded)
{
throw new ArgumentException("Unrecognized remainder in type declaration", "input");
}
return(result);
}
}
/// <summary>
/// Parses a <see cref="CodeStatement"/> from the specified input
/// </summary>
/// <param name="input">The input to parse</param>
/// <param name="includeComments">True to return parsed comments as statements, or false to skip them</param>
/// <returns>A <see cref="CodeStatement"/> representing the parsed code</returns>
public static CodeStatement ParseStatement(IEnumerable <char> input, bool includeComments = false)
{
using (var e = new ST(input).GetEnumerator())
{
var pc = new _PC(e);
pc.EnsureStarted();
var result = _ParseStatement(pc, includeComments);
if (!pc.IsEnded)
{
throw new ArgumentException("Unrecognized remainder in statement", "input");
}
return(result);
}
}
/// <summary>
/// Parses a <see cref="CodeCompileUnit"/> from the specified input
/// </summary>
/// <param name="input">The input to parse</param>
/// <returns>A <see cref="CodeCompileUnit"/> representing the parsed code</returns>
public static CodeCompileUnit ParseCompileUnit(IEnumerable <char> input)
{
using (var e = new ST(input).GetEnumerator())
{
var pc = new _PC(e);
pc.EnsureStarted();
var result = _ParseCompileUnit(pc);
// should never happen
if (!pc.IsEnded)
{
throw new ArgumentException("Unrecognized remainder in namespace", "input");
}
return(result);
}
}
static KeyValuePair <CodeTypeReference, string> _ParsePrivateImplementationType(_PC pc)
{
// i really hate this routine
_SkipComments(pc);
CodeTypeReference ptr = null;
string name = null;
_PC pc2 = pc.GetLookAhead();
pc2.EnsureStarted();
try
{
ptr = _ParseTypeRef(pc2, true);
}
catch { ptr = null; }
if (ptr != null)
{
if (ST.dot == pc2.SymbolId) // we didn't finish parsing the next field. This is probably what we wanted to begin with so yay
{
_ParseTypeRef(pc);
pc.Advance();
_SkipComments(pc);
if (pc.IsEnded)
{
throw new ArgumentException("Unterminated private member declaration");
}
var s = pc.Value;
pc.Advance();
return(new KeyValuePair <CodeTypeReference, string>(ptr, s));
}
// HACK: it will have parsed the name as part of the typeref, so we just trim it off.
var idx = ptr.BaseType.LastIndexOfAny(new char[] { '.', '+' });
if (0 > idx)
{
pc.Advance();
if (ST.dot != pc.SymbolId)
{
// the entire thing is the name. There is no private implementation type
if (0 < ptr.TypeArguments.Count)
{
throw new ArgumentException("Missing member name on private member declaration", "input");
}
return(new KeyValuePair <CodeTypeReference, string>(null, ptr.BaseType));
}
else // this is probably a "this"
{
pc.Advance();
_SkipComments(pc);
if (ST.keyword == pc.SymbolId && "this" == pc.Value)
{
pc.Advance();
return(new KeyValuePair <CodeTypeReference, string>(ptr, "this"));
}
throw new ArgumentException("Illegal private member implementation type.", "input");
}
}
name = ptr.BaseType.Substring(idx + 1);
ptr.BaseType = ptr.BaseType.Substring(0, idx);
_ParseTypeRef(pc, false); // advance
return(new KeyValuePair <CodeTypeReference, string>(ptr, name));
}
var n = pc.Value;
pc.Advance();
return(new KeyValuePair <CodeTypeReference, string>(null, n));
//throw new ArgumentException("Expecting identifier on private member declaration", "input");
}