PropertyAST parseStaticProperty(CodePostion parentPostion)
{
PropertyAST ast = new PropertyAST();
if (CurrentKind != TokenKind.Ident)
{
error("不是正确的名称");
}
else
{
ast.TypeToken = CurrentToken;
}
MoveNext();
match(TokenKind.Colon);
if (CurrentKind != TokenKind.Ident)
{
error("不是正确的变量名称");
}
else
{
ast.NameToken = CurrentToken;
}
MoveNext();
if (CurrentKind == TokenKind.Assign)
{
MoveNext();
Exp exp = parseExp();
ast.ValueExp = exp;
}
matchSemiOrNewLine();//match(TokenKind.Semi);
return(ast);
}
void parseStaticPropertyPart()
{
Token tempToken = CurrentToken;
MoveNext(); //跳过"属性"
MoveNext(); //跳过":"
while (CurrentToken.Kind != TokenKind.EOF && CurrentToken.Col > tempToken.Col)
{
PropertyAST ast = parseStaticProperty(tempToken.Postion);
prog.Add(ast);
}
}
private SectionProperties ParseProperties()
{
SectionProperties ast = new SectionProperties();
Token headFistToken = tape.Current;
string headFirstText = headFistToken.GetText();
if (headFirstText.Length > 2)
{
string baseTypeName = headFirstText.Substring(0, headFirstText.Length - 2);
ast.TypeToken = new Token(baseTypeName, TokenKind.Ident, headFistToken.Line, headFistToken.Col);
ast.KeyToken = new Token("属性", TokenKind.Ident, headFistToken.Line, headFistToken.Col + headFirstText.Length - 2);
}
else
{
ast.KeyToken = headFistToken;
}
tape.MoveNext();
tape.Match(TokenKind.Colon);
while (tape.CurrentKind != TokenKind.EOF && tape.CurrentKind != TokenKind.NewLine)
{
if (tape.CurrentKind == TokenKind.Ident)
{
PropertyAST property = ParseProperty();
if (property != null)
{
ast.AddProperty(property);
}
}
else if (tape.CurrentKind == TokenKind.Comma)
{
tape.MoveNext();
}
else
{
tape.error(string.Format("类型'{0}'不是正确的属性", tape.Current.GetText()));
tape.MoveNext();
}
}
SkipNewLine();
return(ast);
}
private PropertyAST ParseProperty( )
{
PropertyAST property = new PropertyAST();
//property.SetFileContext(this.filem.FileContext);//.FileContext = this.filem.FileContext;
property.FileContext = this.fileMY.FileContext;
property.NameToken = tape.Current;
tape.MoveNext();
if (tape.CurrentKind == TokenKind.Assign)
{
tape.MoveNext();
Exp exp = ParseRawExpPropertyValue();
if (exp != null)
{
property.PropertyValue = exp;
}
}
return(property);
}
