//=====================================================================
/// <summary>
/// Processes a line which appears to define a global function.
/// identifier "(" identifierList ")"
/// </summary>
/// <param name="name">the name of the function, which has already been parsed</param>
private void ProcessFunction(String name, String line)
{
FunctionDef f = new FunctionDef(Path.GetFileName(CurrentFileName), LineNumber);
f.Name = name;
f.Description = LastComment;
LastComment = "";
if (! ParseArgList(ref line, f))
return;
this.SymbolTable.GlobalFunctions.Add(f);
this.CurrentSourceFile.GlobalFunctions.Add(f);
}
//=====================================================================
/// <summary>
/// Writes a global function description.
/// </summary>
public void WriteFunction(StreamWriter w, FunctionDef f)
{
this.WriteThingWithDescription(
w, f.Name, f.Parameters, null, f.Description,
false, f.Source, null, null, false);
}
//=====================================================================
/// <summary>
/// Destructively parses an argument list from the given string and
/// puts the arguments in the given FunctionDef.
/// </summary>
/// <returns>true on success, false on error</returns>
private bool ParseArgList(ref String line, FunctionDef f)
{
line = line.Trim();
for (;;)
{
// if we're out of text on this line, fetch another
if (line == "")
line = GetNextLine().Trim();
// check what we have next
String token = GetNextToken(ref line);
if (token == ")" || token == "{")
break;
if (token == "")
return false;
if (token == "[")
{
// [arglist] parameter - build the whole string
token = GetNextToken(ref line);
if (GetNextToken(ref line) == "]")
token = "[" + token + "]";
}
if (token == "?" && f.Parameters.Count != 0)
f.Parameters[f.Parameters.Count - 1] += "?";
else if (token != ",")
f.Parameters.Add(token);
}
return true;
}
