private SectionBase ParseSection()
{
string headText = tape.Current.GetText();
if (headText.StartsWith("导入"))
{
SectionImport section = ParseImport();
return(section);
}
else if (headText.StartsWith("使用"))
{
SectionUse section = ParseUse();
return(section);
}
else if (headText.StartsWith("约定"))
{
SectionEnum section = ParseEnum();
return(section);
}
else if (headText.StartsWith("声明"))
{
SectionDim section = ParseDim();
return(section);
}
else if (headText.EndsWith("类型"))
{
SectionClassName section = ParseClass();
return(section);
}
else if (headText.EndsWith("属性"))
{
SectionProperties section = ParseProperties();
return(section);
}
else
{
SectionProc section = ParseProc();
if (section.NamePart.IsConstructor())
{
SectionConstructor constructor = new SectionConstructor(section);
return(constructor);
}
else
{
return(section);
}
//tape.error("错误的段落");
//tape.MoveNext();
//return null;
}
}
private SectionProc ParseProc()
{
SectionProc ast = new SectionProc();
//TokenTape nameTape = new TokenTape(sectionRaw.Content);
ast.NamePart = ParseProcName();
tape.Match(TokenKind.Colon);
ast.RetToken = ParseRetProc();
if (ast.NamePart == null)
{
return(null);
}
ast.Body = ParseProcBody();
return(ast);
}
public FileMutilType Parse(List <Token> tokens, ContextFile fileContext)
{
tape = new TokenTape(tokens, fileContext);
fileMY = new FileMutilType();
fileMY.FileContext = fileContext;
while (tape.CurrentKind != TokenKind.EOF)
{
TokenKind nkind = tape.Next.Kind;
if (nkind == TokenKind.Colon && tape.CurrentKind == TokenKind.Ident)
{
SectionBase section = ParseSection();
if (section != null)
{
fileMY.AddSection(section);
}
}
else if (tape.CurrentKind == TokenKind.NewLine)
{
SkipNewLine();
}
else
{
SectionProc section = ParseProc();
if (section != null)
{
if (section.NamePart.IsConstructor())
{
SectionConstructor constructor = new SectionConstructor(section);
fileMY.AddSection(constructor);
}
else
{
fileMY.AddSection(section);
}
}
}
}
return(fileMY);
}
