本文整理汇总了C#中IronPython.Compiler.Ast.AstGenerator.Invoke方法的典型用法代码示例。如果您正苦于以下问题：C# AstGenerator.Invoke方法的具体用法？C# AstGenerator.Invoke怎么用？C# AstGenerator.Invoke使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IronPython.Compiler.Ast.AstGenerator的用法示例。
在下文中一共展示了AstGenerator.Invoke方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Transform
internal override MSAst.Expression Transform(AstGenerator ag, Type type) {
MSAst.Expression func = _function.TransformToFunctionExpression(ag);
return ag.Invoke(
typeof(object),
new CallSignature(1),
func,
ag.TransformAsObject(_iterable)
);
}示例2: Transform
internal override MSAst.Expression Transform(AstGenerator ag, Type type) {
MSAst.Expression[] values = new MSAst.Expression[_args.Length + 2];
Argument[] kinds = new Argument[_args.Length];
values[0] = ag.LocalContext;
values[1] = ag.Transform(_target);
for (int i = 0; i < _args.Length; i++) {
kinds[i] = _args[i].Transform(ag, out values[i + 2]);
}
return ag.Invoke(
type,
new CallSignature(kinds),
ArrayUtils.RemoveFirst(values)
);
}示例3: Transform
/// <summary>
/// WithStatement is translated to the DLR AST equivalent to
/// the following Python code snippet (from with statement spec):
///
/// mgr = (EXPR)
/// exit = mgr.__exit__ # Not calling it yet
/// value = mgr.__enter__()
/// exc = True
/// try:
/// VAR = value # Only if "as VAR" is present
/// BLOCK
/// except:
/// # The exceptional case is handled here
/// exc = False
/// if not exit(*sys.exc_info()):
/// raise
/// # The exception is swallowed if exit() returns true
/// finally:
/// # The normal and non-local-goto cases are handled here
/// if exc:
/// exit(None, None, None)
///
/// </summary>
internal override MSAst.Expression Transform(AstGenerator ag) {
MSAst.ParameterExpression lineUpdated = ag.GetTemporary("$lineUpdated_with", typeof(bool));
// Five statements in the result...
MSAst.Expression[] statements = new MSAst.Expression[6];
//******************************************************************
// 1. mgr = (EXPR)
//******************************************************************
MSAst.ParameterExpression manager = ag.GetTemporary("with_manager");
statements[0] = ag.MakeAssignment(
manager,
ag.Transform(_contextManager),
new SourceSpan(Start, _header)
);
//******************************************************************
// 2. exit = mgr.__exit__ # Not calling it yet
//******************************************************************
MSAst.ParameterExpression exit = ag.GetTemporary("with_exit");
statements[1] = ag.MakeAssignment(
exit,
ag.Get(
typeof(object),
"__exit__",
manager
)
);
//******************************************************************
// 3. value = mgr.__enter__()
//******************************************************************
MSAst.ParameterExpression value = ag.GetTemporary("with_value");
statements[2] = ag.AddDebugInfo(
ag.MakeAssignment(
value,
ag.Invoke(
typeof(object),
new CallSignature(0),
ag.Get(
typeof(object),
"__enter__",
manager
)
)
),
new SourceSpan(Start, _header)
);
//******************************************************************
// 4. exc = True
//******************************************************************
MSAst.ParameterExpression exc = ag.GetTemporary("with_exc", typeof(bool));
statements[3] = ag.MakeAssignment(
exc,
AstUtils.Constant(true)
);
//******************************************************************
// 5. The final try statement:
//
// try:
// VAR = value # Only if "as VAR" is present
// BLOCK
// except:
// # The exceptional case is handled here
// exc = False
// if not exit(*sys.exc_info()):
// raise
// # The exception is swallowed if exit() returns true
// finally:
// # The normal and non-local-goto cases are handled here
// if exc:
// exit(None, None, None)
//******************************************************************
MSAst.ParameterExpression exception = ag.GetTemporary("exception", typeof(Exception));
MSAst.ParameterExpression nestedFrames = ag.GetTemporary("$nestedFrames", typeof(List<DynamicStackFrame>));
//.........这里部分代码省略.........
示例4: MakeExitCall
private MSAst.Expression MakeExitCall(AstGenerator ag, MSAst.ParameterExpression exit, MSAst.Expression exception) {
// The 'with' statement's exceptional clause explicitly does not set the thread's current exception information.
// So while the pseudo code says:
// exit(*sys.exc_info())
// we'll actually do:
// exit(*PythonOps.GetExceptionInfoLocal($exception))
return ag.Convert(
typeof(bool),
ConversionResultKind.ExplicitCast,
ag.Invoke(
typeof(object),
new CallSignature(ArgumentType.List),
exit,
Ast.Call(
AstGenerator.GetHelperMethod("GetExceptionInfoLocal"),
ag.LocalContext,
exception
)
)
);
}