本文整理汇总了C#中Env.CreateChildEnv方法的典型用法代码示例。如果您正苦于以下问题：C# Env.CreateChildEnv方法的具体用法？C# Env.CreateChildEnv怎么用？C# Env.CreateChildEnv使用的例子？那么, 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Env的用法示例。
在下文中一共展示了Env.CreateChildEnv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: Evaluate
public Ruleset Evaluate(List<NamedArgument> args, Env env, List<Ruleset> closureContext)
{
var frame = EvaluateParams(env, args);
var frames = new[] { this, frame }.Concat(env.Frames).Concat(closureContext).Reverse();
var context = env.CreateChildEnv(new Stack<Ruleset>(frames));
var newRules = new NodeList();
foreach (var rule in Rules)
{
if (rule is MixinDefinition)
{
var mixin = rule as MixinDefinition;
var parameters = Enumerable.Concat(mixin.Params, frame.Rules.Cast<Rule>());
newRules.Add(new MixinDefinition(mixin.Name, new NodeList<Rule>(parameters), mixin.Rules, mixin.Condition));
}
else if (rule is Directive)
{
newRules.Add(rule);
}
else if (rule is Ruleset)
{
var ruleset = (rule as Ruleset);
context.Frames.Push(ruleset);
var rules = new NodeList(NodeHelper.NonDestructiveExpandNodes<MixinCall>(context, ruleset.Rules)
.Select(r => r.Evaluate(context)));
context.Frames.Pop();
newRules.Add(new Ruleset(ruleset.Selectors, rules));
}
else if (rule is MixinCall)
{
newRules.AddRange((NodeList)rule.Evaluate(context));
}
else
{
newRules.Add(rule.Evaluate(context));
}
}
return new Ruleset(null, newRules);
}示例2: Evaluate
public Ruleset Evaluate(List<NamedArgument> args, Env env, List<Ruleset> closureContext)
{
var frame = EvaluateParams(env, args);
var frames = new[] { this, frame }.Concat(env.Frames).Concat(closureContext).Reverse();
var context = env.CreateChildEnv(new Stack<Ruleset>(frames));
var newRules = new NodeList();
foreach (var rule in Rules)
{
if (rule is MixinDefinition)
{
var mixin = rule as MixinDefinition;
var parameters = Enumerable.Concat(mixin.Params, frame.Rules.Cast<Rule>());
newRules.Add(new MixinDefinition(mixin.Name, new NodeList<Rule>(parameters), mixin.Rules, mixin.Condition, mixin.Variadic));
}
else if (rule is Import)
{
var potentiolNodeList = rule.Evaluate(context);
var nodeList = potentiolNodeList as NodeList;
if (nodeList != null)
{
newRules.AddRange(nodeList);
}
else
{
newRules.Add(potentiolNodeList);
}
}
else if (rule is Directive || rule is Media)
{
newRules.Add(rule.Evaluate(context));
}
else if (rule is Ruleset)
{
var ruleset = (rule as Ruleset);
context.Frames.Push(ruleset);
newRules.Add(ruleset.Evaluate(context));
context.Frames.Pop();
}
else if (rule is MixinCall)
{
newRules.AddRange((NodeList)rule.Evaluate(context));
}
else
{
newRules.Add(rule.Evaluate(context));
}
}
return new Ruleset(null, newRules);
}示例3: Evaluate
public Ruleset Evaluate(List<NamedArgument> args, Env env)
{
var frame = EvaluateParams(env, args);
var context = env.CreateChildEnv();
context.Frames.Push(this);
context.Frames.Push(frame);
var result = EvaluateRulesForFrame(frame, context);
context.Frames.Pop();
context.Frames.Pop();
return result;
}示例4: Evaluate
public Ruleset Evaluate(List<NamedArgument> args, Env env, List<Ruleset> closureContext)
{
// if (args != null && args.Any())
// Guard.ExpectMaxArguments(Params.Count, args.Count, String.Format("'{0}'", Name), Index);
var arguments = new Dictionary<string, Node>();
args = args ?? new List<NamedArgument>();
var hasNamedArgs = false;
foreach (var arg in args)
{
if (!string.IsNullOrEmpty(arg.Name))
{
hasNamedArgs = true;
arguments[arg.Name] = new Rule(arg.Name, arg.Value.Evaluate(env)) { Index = arg.Value.Index };
}
else if (hasNamedArgs)
throw new ParsingException("Positional arguments must appear before all named arguments.", arg.Value.Index);
}
for (var i = 0; i < Params.Count; i++)
{
if (String.IsNullOrEmpty(Params[i].Name))
continue;
if (arguments.ContainsKey(Params[i].Name))
continue;
Node val;
if (i < args.Count && string.IsNullOrEmpty(args[i].Name))
val = args[i].Value;
else
val = Params[i].Value;
if (val)
arguments[Params[i].Name] = new Rule(Params[i].Name, val.Evaluate(env)) {Index = val.Index};
else
throw new ParsingException(
String.Format("wrong number of arguments for {0} ({1} for {2})", Name,
args != null ? args.Count : 0, _arity), Index);
}
var _arguments = new List<Node>();
for(var i = 0; i < Math.Max(Params.Count, args.Count); i++)
{
_arguments.Add(i < args.Count ? args[i].Value : Params[i].Value);
}
var frame = new Ruleset(null, new NodeList());
frame.Rules.Insert(0, new Rule("@arguments", new Expression(_arguments.Where(a => a != null)).Evaluate(env)));
foreach (var arg in arguments)
{
frame.Rules.Add(arg.Value);
}
var frames = new[] { this, frame }.Concat(env.Frames).Concat(closureContext).Reverse();
var context = env.CreateChildEnv(new Stack<Ruleset>(frames));
var newRules = new NodeList();
foreach (var rule in Rules)
{
if (rule is MixinDefinition)
{
var mixin = rule as MixinDefinition;
var parameters = Enumerable.Concat(mixin.Params, frame.Rules.Cast<Rule>());
newRules.Add(new MixinDefinition(mixin.Name, new NodeList<Rule>(parameters), mixin.Rules));
}
else if (rule is Directive)
{
newRules.Add(rule);
}
else if (rule is Ruleset)
{
var ruleset = (rule as Ruleset);
context.Frames.Push(ruleset);
var rules = new NodeList(NodeHelper.NonDestructiveExpandNodes<MixinCall>(context, ruleset.Rules)
.Select(r => r.Evaluate(context)));
context.Frames.Pop();
newRules.Add(new Ruleset(ruleset.Selectors, rules));
}
else if (rule is MixinCall)
{
newRules.AddRange((NodeList)rule.Evaluate(context));
}
else
{
newRules.Add(rule.Evaluate(context));
}
}
return new Ruleset(null, newRules);
//.........这里部分代码省略.........