private SectionRaw ParseSection()
{
string headText = tape.Current.FirstToken.Text;
bool secondIsColon = tape.Current.SecondToken.IsKind(TokenKindSymbol.Colon);
if (false)
{
//<<重新编写分析，同行换行都可以>>
}
else if (secondIsColon && headText == "导入包")
{
SectionImportRaw section = ParseImport();
return(section);
}
else if (secondIsColon && headText == "导入类")
{
SectionUseRaw section = ParseUse();
return(section);
}
//else if (secondIsColon && headText == "约定")
//{
// SectionEnum section = ParseEnum();
// return section;
//}
else if (secondIsColon && headText == "名称")
{
SectionNameRaw section = ParseClassName();
return(section);
}
else if (secondIsColon && headText == "属于")
{
SectionExtendsRaw section = ParseExtends();
return(section);
}
//else if (secondIsColon && headText == "声明" )
//{
// SectionDim section = ParseDim();
// return section;
//}
else if (secondIsColon && headText == "属性")
{
SectionPropertiesRaw section = ParseProperties();
return(section);
}
else
{
SectionProcRaw section = ParseProc();
return(section);
}
}
private void ParseUseClass(SectionUseRaw ast, List <LexToken> sourceTokens)
{
ImportPackageRawParser packageParser = new ImportPackageRawParser();
for (int i = 0; i < sourceTokens.Count; i++)
{
LexToken token = sourceTokens[i];
if (token.IsKind(TokenKindKeyword.Ident))
{
ast.Parts.Add((LexTokenText)token);
}
else if (token.IsKind(TokenKindSymbol.Comma))
{
}
else
{
error(token, string.Format("使用的'{0}'不是正确的类型名称", token.Text));
}
}
}
private SectionUseRaw ParseUse()
{
SectionUseRaw ast = new SectionUseRaw();
ast.KeyToken = (LexTokenText)tape.Current.FirstToken;
List <LexToken> tokens = tape.Current.GetSubs(2);
ParseUseClass(ast, tokens);
tape.MoveNext();
while (tape.HasCurrent)
{
if (IsSectionHead(tape.Current))
{
break;
}
List <LexToken> tokens2 = tape.Current.ToList();
ParseUseClass(ast, tokens2);
tape.MoveNext();
}
return(ast);
}
public SectionUse(SectionUseRaw raw)
{
Raw = raw;
}
public SectionUse(FileAST fileAST, SectionUseRaw raw)
{
ASTFile = fileAST;
Raw = raw;
}
