/// <summary>
///
/// </summary>
/// <param name="c">REG_DECL に依る一致結果を指定します。</param>
/// <param name="content">マクロの内容を指定します。</param>
public DefineMacro(Rgx.Capture c, string content)
{
this.name = c.Groups["name"].Last.Value;
int nParam = c.Groups["param"].Count;
this.parameters = new string[nParam];
for (int i = 0; i < nParam; i++)
{
parameters[i] = c.Groups["param"][i].Value;
}
this.content = content;
}
//============================================================
// マクロ処理
//============================================================
private DefineMacro ReadDefineMacro(Rgx.Capture c)
{
System.Text.StringBuilder buf = new System.Text.StringBuilder();
if (filename != null)
{
buf.AppendFormat("\r\n#line {0} {1}\r\n", wr.LineNumber + 1, filename);
}
int nest = 0;
while (wr.ReadNext())
{
switch (wr.CurrentType.value)
{
case WordType.vTag:
if (DefineMacro.REG_BEGIN.IsMatching(wr.CurrentWord))
{
nest++;
}
else if (DefineMacro.REG_END.IsMatching(wr.CurrentWord))
{
if (nest-- == 0)
{
goto break_loop;
}
}
goto default;
default:
buf.Append(wr.CurrentWord);
break;
}
}
break_loop:
string content = buf.ToString();
if (filename != null)
{
this.buf.AppendFormat("#line {0} {1}", wr.LineNumber + 1, filename);
}
return(new DefineMacro(c, content));
}
private void process(string text)
{
CppWordReader wr_orig = this.wr;
this.wr = new CppWordReader(text);
while (wr.ReadNext())
{
switch (wr.CurrentType.value)
{
case WordType.vKeyWord:
// @ マクロ
break;
case WordType.vTag:
// # マクロ
// #line
{
Rgx.Capture c = Rgx.Match(@"#:bline:b((?<line>\d+):b)?(?<filename>:"")", wr.CurrentWord);
if (c != null)
{
filename = c.Groups["filename"].Last.Value;
if (c.Groups["line"].Count > 0)
{
int line;
if (int.TryParse(c.Groups["line"].Last.Value, out line))
{
wr.LineNumber = line - 1;
}
}
buf.AppendFormat("#line {0} {1}", wr.LineNumber + 1, filename);
break;
}
}
// #pragma begin(define)
{
Rgx.Capture c = DefineMacro.REG_DECL.Match(wr.CurrentWord);
if (c != null)
{
DefineMacro macro = this.ReadDefineMacro(c);
if (!macros.ContainsKey(macro.Name))
{
macros.Add(macro.Name, macro);
break;
}
else
{
buf.AppendLine();
buf.AppendLine("#error マクロ " + macro.Name + " は既に定義されています");
buf.AppendFormat("#line {0} {1}", wr.LineNumber + 1, filename);
}
}
}
// #pragma undef
{
Rgx.Capture c = DefineMacro.REG_UNDEF.Match(wr.CurrentWord);
if (c != null)
{
string name = c.Groups["name"].Last.Value;
if (macros.Remove(name))
{
break;
}
buf.AppendLine("#error " + name + " は定義されていないマクロです");
buf.AppendFormat("#line {0} {1}\r\n", wr.LineNumber + 1, filename);
}
}
goto default;
case WordType.vIdentifier:
if (!macros.ContainsKey(wr.CurrentWord))
{
goto default;
}
this.ReadMacroRef(wr.CurrentWord);
break;
case WordType.vComment:
default:
buf.Append(wr.CurrentWord);
break;
}
}
this.wr = wr_orig;
}
