本文整理汇总了C#中IronPython.Compiler.Ast.Expression.CheckAssign方法的典型用法代码示例。如果您正苦于以下问题:C# Expression.CheckAssign方法的具体用法?C# Expression.CheckAssign怎么用?C# Expression.CheckAssign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.Expression
的用法示例。
在下文中一共展示了Expression.CheckAssign方法的2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: FinishAssignments
private Statement FinishAssignments(Expression right) {
List<Expression> left = null;
Expression singleLeft = null;
while (MaybeEat(TokenKind.Assign)) {
string assignError = right.CheckAssign();
if (assignError != null) {
ReportSyntaxError(right.StartIndex, right.EndIndex, assignError, ErrorCodes.SyntaxError | ErrorCodes.NoCaret);
}
if (singleLeft == null) {
singleLeft = right;
} else {
if (left == null) {
left = new List<Expression>();
left.Add(singleLeft);
}
left.Add(right);
}
if (MaybeEat(TokenKind.KeywordYield)) {
right = ParseYieldExpression();
} else {
right = ParseTestListAsExpr();
}
}
if (left != null) {
Debug.Assert(left.Count > 0);
AssignmentStatement assign = new AssignmentStatement(left.ToArray(), right);
assign.SetLoc(_globalParent, left[0].StartIndex, right.EndIndex);
return assign;
} else {
Debug.Assert(singleLeft != null);
AssignmentStatement assign = new AssignmentStatement(new[] { singleLeft }, right);
assign.SetLoc(_globalParent, singleLeft.StartIndex, right.EndIndex);
return assign;
}
}
示例2: FinishAssignments
private Statement FinishAssignments(Expression right) {
List<Expression> left = new List<Expression>();
while (MaybeEat(TokenKind.Assign)) {
string assignError = right.CheckAssign();
if (assignError != null) {
ReportSyntaxError(right.Span.Start, right.Span.End, assignError, ErrorCodes.SyntaxError);
}
left.Add(right);
if (MaybeEat(TokenKind.KeywordYield)) {
right = ParseYieldExpression();
} else {
bool trailingComma;
var exprs = ParseExpressionList(out trailingComma);
if (exprs.Count == 0) {
ReportSyntaxError(left[0].Start, left[0].End, "invalid syntax");
}
right = MakeTupleOrExpr(exprs, trailingComma);
}
}
Debug.Assert(left.Count > 0);
AssignmentStatement assign = new AssignmentStatement(left.ToArray(), right);
assign.SetLoc(left[0].Start, right.End);
return assign;
}