TKTArgModel parseFnArg()
{
TKTArgModel argt = new TKTArgModel();
if (CurrentKind == TokenKind.Ident)
{
argt.ArgType = CurrentToken.GetText();
MoveNext();
if (CurrentKind == TokenKind.Colon)
{
MoveNext();
if (CurrentKind == TokenKind.Ident)
{
argt.ArgName = CurrentToken.GetText();
MoveNext();
return(argt);
}
else
{
//error("参数名称不正确");
}
}
else
{
//error("应该是':'");
}
}
else
{
//error("参数类型不正确");
MoveNext();
}
return(null);
}
TKTPropertyModel parseProperty(CodePostion parentPostion)
{
TKTPropertyModel ast = new TKTPropertyModel();
ast.Postion = CurrentToken.Postion;
if (CurrentKind != TokenKind.Ident)
{
//error("不是正确的名称");
}
else
{
ast.PropertyType = CurrentToken.GetText();
}
MoveNext();
match(TokenKind.Colon);
if (CurrentKind != TokenKind.Ident)
{
//error("不是正确的变量名称");
}
else
{
ast.PropertyName = CurrentToken.GetText();
}
MoveNext();
if (CurrentKind == TokenKind.Assign)
{
MoveNext();
skipToSemi();
//Exp exp = parseExp();
//ast.ValueExp = exp;
}
match(TokenKind.Semi);
return(ast);
}
string parseFnText()
{
string text = CurrentToken.GetText();
MoveNext();
return(text);
}
string parseFnText()
{
string text = CurrentToken.GetText();
//FnText textterm = new FnText ();
//textterm.TextToken = CurrentToken;
MoveNext();
return(text);
}
TKTProcModel parseFnName()
{
TKTProcModel fname = new TKTProcModel();
fname.Postion = CurrentToken.Postion;
var curline = CurrentToken.Line;
while (CurrentToken.Kind != TokenKind.EOF && curline == CurrentToken.Line)
{
if (CurrentKind == TokenKind.LBS)
{
var arg = parseFnMuArg();
if (arg != null)
{
fname.Elements.Add(arg);
}
}
else if (CurrentKind == TokenKind.Ident)
{
var textt = parseFnText();
if (textt != null)
{
fname.Elements.Add(textt);
}
}
else if (CurrentKind == TokenKind.AssignTo)
{
if (fname.Elements == null || fname.Elements.Count == 0)
{
//error("过程没有名称");
MoveNext();
}
else
{
MoveNext();
if (CurrentKind == TokenKind.Ident)
{
fname.RetType = CurrentToken.GetText();
MoveNext();
}
else
{
//error("错误的过程结果");
MoveNext();
}
}
}
else
{
//error("错误的过程名称");
MoveNext();
}
}
return(fname);
}
public FileAST ParseFile()
{
prog = new FileAST();
while (CurrentToken.Kind != TokenKind.EOF)
{
if (CurrentToken.IsKeyIdent("使用包" /*,"使用类型","简略使用"*/) && NextToken.Kind == TokenKind.Colon)
{
var ast = ParseImport();
prog.Add(ast);
}
if (CurrentToken.IsKeyIdent("简略使用") && NextToken.Kind == TokenKind.Colon)
{
var ast = ParseSimpleUse();
prog.Add(ast);
}
if (CurrentKind == TokenKind.Ident && CurrentText == "过程" && NextToken.Kind == TokenKind.Colon)
{
MethodAST ast = ParseMethod();
prog.Add(ast);
}
else if (CurrentKind == TokenKind.Ident && CurrentText == "属性" && NextToken.Kind == TokenKind.Colon)
{
parseStaticPropertyPart();
}
else if (CurrentToken.IsKeyIdent("属于") && NextToken.Kind == TokenKind.Colon)
{
parseExtends();
}
else if (CurrentToken.IsKeyIdent("名称") && NextToken.Kind == TokenKind.Colon)
{
parseName();
}
else if (CurrentToken.IsKeyIdent("约定") && NextToken.Kind == TokenKind.Colon)
{
parseAgreement();
}
else
{
error("无法识别'" + CurrentToken.GetText() + "'");
MoveNext();
}
}
return(prog);
}
public TKTClassModel Parse(List <Token> tokens)
{
this.srcTokens = tokens;
tktclass = new TKTClassModel();
this.srcTokens.Add(Token.EOF);
this.srcTokens.Add(Token.EOF);
this.srcTokens.Add(Token.EOF);
this.index = 0;
while (CurrentToken.Kind != TokenKind.EOF)
{
/*while (CurrentToken.IsKeyIdent("使用包","使用类型","简略使用")&& NextToken.Kind == TokenKind.Colon)
* {
* ParseImport();
* }*/
if (CurrentToken.IsKeyIdent("导入") && NextToken.Kind == TokenKind.Colon)
{
ParseImport();
}
if (CurrentToken.IsKeyIdent("使用") && NextToken.Kind == TokenKind.Colon)
{
ParseSimpleUse();
}
if (CurrentToken.GetText().EndsWith("类型") && CurrentToken.Kind == TokenKind.Ident && NextToken.Kind == TokenKind.Colon)
{
parseExtends();
}
else if (CurrentToken.IsKeyIdent("名称") && NextToken.Kind == TokenKind.Colon)
{
parseName();
}
else if (CurrentKind == TokenKind.Ident && CurrentText == "过程" && NextToken.Kind == TokenKind.Colon)
{
var ast = ParseMethod();
string typeName = tktclass.GetTypeName();
if (ast.IsContruct())
{
tktclass.ContructList.Add(ast.ToContruct());
}
else if (!string.IsNullOrEmpty(typeName) && ast.IsContruct(typeName))
{
tktclass.ContructList.Add(ast.ToContruct());
}
else
{
tktclass.ProcList.Add(ast);
}
//tktclass. //prog.Add(ast);
}
else if (CurrentKind == TokenKind.Ident && CurrentText == "属性" && NextToken.Kind == TokenKind.Colon)
{
parsePropertyPart();
}
else if (CurrentToken.IsKeyIdent("约定") && NextToken.Kind == TokenKind.Colon)
{
parseAgreement();
}
else
{
//error("无法识别'"+CurrentToken.GetText()+"'");
MoveNext();
}
}
return(tktclass);
}