/// <summary>
/// Simple static helper to evaluate an expression (typically a pure expression without side effects).
/// </summary>
/// <param name="e">The expression to evaluate.</param>
/// <param name="ctx">The <see cref="GlobalContext"/>. When null, a new default GlobalContext is used.</param>
/// <returns>The result of the evaluation.</returns>
public static RuntimeObj Evaluate( Expr e, GlobalContext ctx = null )
{
EvalVisitor v = new EvalVisitor( ctx ?? new GlobalContext() );
return v.VisitExpr( e ).Result;
}
/// <summary>
/// Initializes a new <see cref="ScriptEngine"/>, optionally bound to an existing <see cref="GlobalContext"/>.
/// </summary>
/// <param name="ctx">Optional global context to use.</param>
/// <param name="breakPointManager">Optional <see cref="BreakpointManager"/> instance to use.</param>
/// <param name="scopeManager">Optional <see cref="DynamicScope"/> to use.</param>
public ScriptEngine( GlobalContext ctx = null, BreakpointManager breakPointManager = null, DynamicScope scopeManager = null )
{
_breakpoints = breakPointManager ?? new BreakpointManager();
_globalContext = ctx ?? new GlobalContext();
_visitor = new EvalVisitor( _globalContext, _breakpoints.MustBreak, scopeManager );
}
/// <summary>
/// Simple static helper to evaluate a string (typically a pure expression without side effects).
/// </summary>
/// <param name="s">The string to evaluate.</param>
/// <param name="ctx">The <see cref="GlobalContext"/>. When null, a new default GlobalContext is used.</param>
/// <returns>The result of the evaluation.</returns>
public static RuntimeObj Evaluate( string s, GlobalContext ctx = null )
{
return Evaluate( ExprAnalyser.AnalyseString( s ) );
}
public override object ToNative(GlobalContext c) => _value;
/// <summary>
/// Initializes a new <see cref="ScriptEngine"/>, optionally bound to an existing <see cref="GlobalContext"/>.
/// </summary>
/// <param name="ctx">Optional global context to use.</param>
/// <param name="breakPointManager">Optional <see cref="BreakpointManager"/> instance to use.</param>
/// <param name="scopeManager">Optional <see cref="DynamicScope"/> to use.</param>
public ScriptEngine(GlobalContext ctx = null, BreakpointManager breakPointManager = null, DynamicScope scopeManager = null)
{
_breakpoints = breakPointManager ?? new BreakpointManager();
_globalContext = ctx ?? new GlobalContext();
_visitor = new EvalVisitor(_globalContext, _breakpoints.MustBreak, scopeManager);
}
/// <summary>
/// Simple static helper to evaluate an expression (typically a pure expression without side effects).
/// </summary>
/// <param name="e">The expression to evaluate.</param>
/// <param name="ctx">The <see cref="GlobalContext"/>. When null, a new default GlobalContext is used.</param>
/// <returns>The result of the evaluation.</returns>
public static RuntimeObj Evaluate(Expr e, GlobalContext ctx = null)
{
EvalVisitor v = new EvalVisitor(ctx ?? new GlobalContext());
return(v.VisitExpr(e).Result);
}
/// <summary>
/// Simple static helper to evaluate a string (typically a pure expression without side effects).
/// </summary>
/// <param name="s">The string to evaluate.</param>
/// <param name="ctx">The <see cref="GlobalContext"/>. When null, a new default GlobalContext is used.</param>
/// <returns>The result of the evaluation.</returns>
public static RuntimeObj Evaluate(string s, GlobalContext ctx = null)
{
return(Evaluate(ExprAnalyser.AnalyseString(s)));
}