//with_stmt: 'with' with_item (',' with_item)* ':' suite
//with_item: test ['as' expr]
private WithStatement ParseWithStmt() {
Eat(TokenKind.KeywordWith);
var withItem = ParseWithItem();
List<WithItem> items = null;
while (MaybeEat(TokenKind.Comma)) {
if (items == null) {
items = new List<WithItem>();
}
items.Add(ParseWithItem());
}
var header = GetEnd();
Statement body = ParseSuite();
if (items != null) {
for (int i = items.Count - 1; i >= 0; i--) {
var curItem = items[i];
var innerWith = new WithStatement(curItem.ContextManager, curItem.Variable, body);
innerWith.HeaderIndex = header;
innerWith.SetLoc(_globalParent, withItem.Start, GetEnd());
body = innerWith;
header = GetEnd();
}
}
WithStatement ret = new WithStatement(withItem.ContextManager, withItem.Variable, body);
ret.HeaderIndex = header;
ret.SetLoc(_globalParent, withItem.Start, GetEnd());
return ret;
}
//with_stmt: 'with' expression [ 'as' with_var ] ':' suite
private WithStatement ParseWithStmt() {
SkipName(Symbols.With);
SourceLocation start = GetStart();
Expression contextManager = ParseExpression();
Expression var = null;
if (PeekName(Symbols.As)) {
SkipName(Symbols.As);
var = ParseExpression();
}
SourceLocation header = GetEnd();
Statement body = ParseSuite();
WithStatement ret = new WithStatement(contextManager, var, body);
ret.Header = header;
ret.SetLoc(start, GetEnd());
return ret;
}
//with_stmt: 'with' expression [ 'as' with_var ] ':' suite
private WithStatement ParseWithStmt() {
Eat(TokenKind.KeywordWith);
SourceLocation start = GetStart();
Expression contextManager = ParseExpression();
Expression var = null;
if (MaybeEat(TokenKind.KeywordAs)) {
var = ParseExpression();
}
SourceLocation header = GetEnd();
Statement body = ParseSuite();
WithStatement ret = new WithStatement(contextManager, var, body);
ret.Header = header;
ret.SetLoc(start, GetEnd());
return ret;
}
//with_stmt: 'with' test [ 'as' with_var ] ':' suite
private WithStatement ParseWithStmt()
{
EatName(SymbolTable.With);
Location start = GetStart();
Expression contextManager = ParseTest();
Expression var = null;
if (PeekName(SymbolTable.As)) {
EatName(SymbolTable.As);
var = ParseTest();
}
Location header = GetEnd();
Statement body = ParseSuite();
WithStatement ret = new WithStatement(contextManager, var, body);
ret.Header = header;
ret.SetLoc(GetExternal(), start, GetEnd());
return ret;
}
