private LookupCompilationDelegate CompileBody(LightExpression <LookupCompilationDelegate> lambda)
{
LookupCompilationDelegate func;
var extractConstant = ExtractConstant(lambda);
if (extractConstant != null)
{
// skip compiling for really simple code
object value = extractConstant.Value;
return((codeCtx, functionCode) => value);
}
PythonContext pc = (PythonContext)Ast.CompilerContext.SourceUnit.LanguageContext;
if (ShouldInterpret(pc))
{
func = lambda.Compile(pc.Options.CompilationThreshold);
}
else
{
func = lambda.ReduceToLambda().Compile(pc.EmitDebugSymbols(Ast.CompilerContext.SourceUnit));
}
return(func);
}
public TotemScriptCode(
TotemEngine engine,
LightExpression<Func<TotemEngine, IDynamicMetaObjectProvider, object>> lambda,
SourceUnit sourceUnit)
: base(sourceUnit)
{
this.lambda = lambda;
this.engine = engine;
}
private static PythonConstantExpression ExtractConstant(LightExpression <LookupCompilationDelegate> lambda)
{
if (!(lambda.Body is BlockExpression body) ||
body.Expressions.Count != 2 ||
!(body.Expressions[0] is DebugInfoExpression) ||
body.Expressions[1].NodeType != ExpressionType.Convert ||
!(((MSAst.UnaryExpression)body.Expressions[1]).Operand is PythonConstantExpression))
{
return(null);
}
return((PythonConstantExpression)((MSAst.UnaryExpression)body.Expressions[1]).Operand);
}
private static PythonConstantExpression ExtractConstant(LightExpression<LookupCompilationDelegate> lambda) {
var body = lambda.Body as BlockExpression;
if (body == null ||
body.Expressions.Count != 2 ||
!(body.Expressions[0] is DebugInfoExpression) ||
body.Expressions[1].NodeType != ExpressionType.Convert ||
!(((MSAst.UnaryExpression)body.Expressions[1]).Operand is PythonConstantExpression)) {
return null;
}
return (PythonConstantExpression)((MSAst.UnaryExpression)body.Expressions[1]).Operand;
}
private LookupCompilationDelegate CompileBody(LightExpression<LookupCompilationDelegate> lambda) {
LookupCompilationDelegate func;
var extractConstant = ExtractConstant(lambda);
if (extractConstant != null) {
// skip compiling for really simple code
object value = extractConstant.Value;
return (codeCtx, functionCode) => value;
}
PythonContext pc = (PythonContext)Ast.CompilerContext.SourceUnit.LanguageContext;
if (ShouldInterpret(pc)) {
func = lambda.Compile(pc.Options.CompilationThreshold);
} else {
func = lambda.ReduceToLambda().Compile(pc.EmitDebugSymbols(Ast.CompilerContext.SourceUnit));
}
return func;
}
