private void Parse(Grammar grammar, string script, bool expectError) {
var compiler = new Compiler(grammar);
var context = new CompilerContext(compiler);
var source = new SourceStream(script, "source");
AstNode root = compiler.Parse(context, source);
compiler.AnalyzeCode(root, context);
if (!expectError && context.Errors.Count > 0)
Assert.Fail("Unexpected source error(s) found: " + context.Errors[0].Message);
}
private void Evaluate(Grammar grammar, string script, bool expectError, object result) {
var compiler = new Compiler(grammar);
var context = new CompilerContext(compiler);
var source = new SourceStream(script, "source");
AstNode root = compiler.Parse(context, source);
compiler.AnalyzeCode(root, context);
if (!expectError && context.Errors.Count > 0)
Assert.Fail("Unexpected source error(s) found: " + context.Errors[0].Message);
var evalContext = new EvaluationContext(context.Runtime, root);
root.Evaluate(evalContext);
Assert.AreEqual(evalContext.CurrentResult, result, "Evaluation result is null, expected " + result);
}
public ScriptEngine(Grammar grammar) {
Compiler = new Compiler(grammar);
Language = Compiler.Language;
}
internal static void ClearCurrentGrammar() {
_currentGrammar = null;
}
public Scanner(ScannerData data) {
_data = data;
_grammar = _data.GrammarData.Grammar;
}
public LanguageData(Grammar grammar) {
Grammar = grammar;
}
public Scanner(ScannerData data)
{
_data = data;
_grammar = _data.GrammarData.Grammar;
}
