private void EnsureTracingTarget() {
if (_tracingTarget == null) {
PythonContext pc = (PythonContext)_context.SourceUnit.LanguageContext;
var debugProperties = new PythonDebuggingPayload(null, _loopAndFinallyLocations, _handlerLocations);
var debugInfo = new Microsoft.Scripting.Debugging.CompilerServices.DebugLambdaInfo(
null, // IDebugCompilerSupport
null, // lambda alias
false, // optimize for leaf frames
null, // hidden variables
null, // variable aliases
debugProperties // custom payload
);
_tracingTarget = CompileBody((Expression<Func<CodeContext/*!*/, FunctionCode/*!*/, object>>)pc.DebugContext.TransformLambda(_lambda, debugInfo));
debugProperties.Code = EnsureFunctionCode(_tracingTarget);
}
}
private void EnsureTracingTarget() {
if (_tracingTarget == null) {
PythonContext pc = (PythonContext)Ast.CompilerContext.SourceUnit.LanguageContext;
var debugProperties = new PythonDebuggingPayload(null);
var debugInfo = new Microsoft.Scripting.Debugging.CompilerServices.DebugLambdaInfo(
null, // IDebugCompilerSupport
null, // lambda alias
false, // optimize for leaf frames
null, // hidden variables
null, // variable aliases
debugProperties // custom payload
);
var lambda = (Expression<LookupCompilationDelegate>)pc.DebugContext.TransformLambda((MSAst.LambdaExpression)Ast.GetLambda().Reduce(), debugInfo);
LookupCompilationDelegate func;
if (ShouldInterpret(pc)) {
func = (LookupCompilationDelegate)CompilerHelpers.LightCompile(lambda, pc.Options.CompilationThreshold);
} else {
func = (LookupCompilationDelegate)lambda.Compile(pc.EmitDebugSymbols(Ast.CompilerContext.SourceUnit));
}
_tracingTarget = func;
debugProperties.Code = EnsureFunctionCode(_tracingTarget, true, true);
}
}
/// <summary>
/// Gets the LambdaExpression for tracing.
///
/// If this is a generator function code then the lambda gets tranformed into the correct generator code.
/// </summary>
private LambdaExpression GetGeneratorOrNormalLambdaTracing(PythonContext context) {
var debugProperties = new PythonDebuggingPayload(this);
var debugInfo = new Microsoft.Scripting.Debugging.CompilerServices.DebugLambdaInfo(
null, // IDebugCompilerSupport
null, // lambda alias
false, // optimize for leaf frames
null, // hidden variables
null, // variable aliases
debugProperties // custom payload
);
if ((Flags & FunctionAttributes.Generator) == 0) {
return context.DebugContext.TransformLambda((LambdaExpression)Compiler.Ast.Node.RemoveFrame(_lambda.GetLambda()), debugInfo);
}
return Expression.Lambda(
Code.Type,
new GeneratorRewriter(
_lambda.Name,
Compiler.Ast.Node.RemoveFrame(Code.Body)
).Reduce(
_lambda.ShouldInterpret,
_lambda.EmitDebugSymbols,
context.Options.CompilationThreshold,
Code.Parameters,
x => (Expression<Func<MutableTuple, object>>)context.DebugContext.TransformLambda(x, debugInfo)
),
Code.Name,
Code.Parameters
);
}
/// <summary>
/// Gets the LambdaExpression for tracing.
///
/// If this is a generator function code then the lambda gets tranformed into the correct generator code.
/// </summary>
private LambdaExpression GetGeneratorOrNormalLambdaTracing(PythonContext context) {
var debugProperties = new PythonDebuggingPayload(this, _loopAndFinallyLocations, _handlerLocations);
var debugInfo = new Microsoft.Scripting.Debugging.CompilerServices.DebugLambdaInfo(
null, // IDebugCompilerSupport
null, // lambda alias
false, // optimize for leaf frames
null, // hidden variables
null, // variable aliases
debugProperties // custom payload
);
if ((_flags & FunctionAttributes.Generator) == 0) {
return context.DebugContext.TransformLambda(_lambda, debugInfo);
}
return Expression.Lambda(
Code.Type,
new GeneratorRewriter(
_name,
Code.Body
).Reduce(
_shouldInterpret,
_debuggable,
Code.Parameters,
x => (Expression<Func<MutableTuple, object>>)context.DebugContext.TransformLambda(x, debugInfo)
),
Code.Name,
Code.Parameters
);
}
