public JavaScriptAst Create()
{
CreateTokenStream();
var parser = new ES3Parser(tokenStream);
programReturn = parser.program();
return(new JavaScriptAst(tokenStream, programReturn.Tree as CommonTree));
}
public static IList <JsStatement> ParseProgram(string source)
{
var lex = new ES3Lexer(new ANTLRStringStream(source));
CommonTokenStream tokens = new CommonTokenStream(lex);
var parser = new ES3Parser(tokens);
var r = parser.program();
var tree = new ES3Walker(new CommonTreeNodeStream(r.Tree));
return(tree.program());
}
public static JsStatement ParseStatement(string source)
{
var lex = new ES3Lexer(new ANTLRStringStream(source.Trim()));
CommonTokenStream tokens = new CommonTokenStream(lex);
var parser = new ES3Parser(tokens);
var r = parser.sourceElement();
var tree = new ES3Walker(new CommonTreeNodeStream(r.Tree));
return(tree.statement());
}
public static JsExpression ParseExpression(string source)
{
var lex = new ES3Lexer(new ANTLRStringStream(source));
CommonTokenStream tokens = new CommonTokenStream(lex);
var parser = new ES3Parser(tokens);
var r = parser.expression();
var tree = new ES3Walker(new CommonTreeNodeStream(r.Tree));
return(tree.expression());
}
public static JsStatement ParseStatement(string source, bool allowCustomKeywords = false)
{
var lex = new ES3Lexer(new ANTLRStringStream(source.Trim()))
{
AllowCustomKeywords = allowCustomKeywords
};
var tokens = new CommonTokenStream(lex);
var parser = new ES3Parser(tokens);
var r = parser.sourceElement();
var tree = new ES3Walker(new CommonTreeNodeStream(r.Tree));
return(tree.statement());
}
public static JsExpression ParseExpression(string source, bool allowCustomKeywords = false)
{
var lex = new ES3Lexer(new ANTLRStringStream(source))
{
AllowCustomKeywords = allowCustomKeywords
};
var tokens = new CommonTokenStream(lex);
var parser = new ES3Parser(tokens);
var r = parser.expressionOnly();
var tree = new ES3Walker(new CommonTreeNodeStream(r.Tree));
return(tree.expression());
}
public static Program Compile(string source, bool debugInformation) {
Program program = null;
if (!string.IsNullOrEmpty(source)) {
var lexer = new ES3Lexer(new ANTLRStringStream(source));
var parser = new ES3Parser(new CommonTokenStream(lexer)) { DebugMode = debugInformation };
program = parser.program().value;
if (parser.Errors != null && parser.Errors.Count > 0) {
throw new JintException(String.Join(Environment.NewLine, parser.Errors.ToArray()));
}
}
return program;
}
public static Program Compile(string source, bool debugInformation)
{
Program program = (Program)null;
if (!string.IsNullOrEmpty(source))
{
ES3Parser es3Parser = new ES3Parser((ITokenStream) new CommonTokenStream((ITokenSource) new ES3Lexer((ICharStream) new ANTLRStringStream(source))))
{
DebugMode = debugInformation
};
program = es3Parser.program().value;
if (es3Parser.Errors != null && es3Parser.Errors.Count > 0)
{
throw new JintException(string.Join(Environment.NewLine, es3Parser.Errors.ToArray()));
}
}
return(program);
}
internal void Analyze(List<string> Codes)
{
RawLines.Clear();
StringBuilder CodeBuilder = new StringBuilder();
foreach (string C in Codes)
{
RawLines.AddRange(C.Split(new string[] { "\r\n" }, StringSplitOptions.None));
CodeBuilder.Append(C);
}
string Code = CodeBuilder.ToString();
if (Code.Length == 0) return;
JintEngine Eng = new JintEngine(Options.Ecmascript3);
ES3Lexer Lexer = new ES3Lexer(new ANTLRStringStream(Code));
ES3Parser Parser = new ES3Parser(new CommonTokenStream(Lexer)) { DebugMode = true };
Jint.Expressions.Program Prog = Parser.program().value;
JintStack.Clear();
Analyze(Prog.Statements);
}
internal static LinkedList<Statement> GetStatementsFromCode(List<string> Codes, bool IgnoreErrors)
{
StringBuilder CodeBuilder = new StringBuilder();
foreach (string C in Codes)
{
CodeBuilder.Append(C);
if (!C.EndsWith("\n"))
{
CodeBuilder.Append("\r\n");
}
}
string Code = CodeBuilder.ToString();
if (Code.Length == 0) return new LinkedList<Statement>();
JintEngine Eng = new JintEngine(Options.Ecmascript3);
ES3Lexer Lexer = new ES3Lexer(new ANTLRStringStream(Code));
ES3Parser Parser = new ES3Parser(new CommonTokenStream(Lexer)) { DebugMode = true };
Jint.Expressions.Program Prog = Parser.program().value;
if (Parser.Errors != null && Parser.Errors.Count > 0 && !IgnoreErrors)
{
throw new Exception("Invalid JavaScript Syntax");
}
return Prog.Statements;
}
