/// <summary>
/// Reformats a block node. If the block has braces then the formatting will be updated
/// appropriately, if forceNewLine
/// </summary>
/// <param name="block"></param>
/// <param name="braceOnNewline"></param>
private void WalkBlock(Block block) {
Debug.Assert(block == null || block.Braces != BraceState.None);
if (block != null && block.Braces != BraceState.None) {
bool isMultiLine = ContainsLineFeed(block.GetStartIndex(_tree.LocationResolver), block.GetEndIndex(_tree.LocationResolver));
bool isComment = FollowedBySingleLineComment(block.GetStartIndex(_tree.LocationResolver), false);
if (block.Count > 0 && isMultiLine && !isComment) {
// multiline block statement, make sure the 1st statement
// starts on a new line. If this is a comment it can stay on the same line as the brace
EnsureNewLineFollowing(block.GetStartIndex(_tree.LocationResolver) + "{".Length);
}
var parent = block.Parent;
Indent();
WalkStatements(block, block.Statements, isMultiLine);
Dedent();
if (block.Braces == BraceState.StartAndEnd) {
if (isMultiLine) {
EnsureNewLinePreceeding(block.GetEndIndex(_tree.LocationResolver) - 1);
} else {
ReplacePreceedingWhiteSpaceMaybeMultiline(block.GetEndIndex(_tree.LocationResolver) - 1);
}
}
}
}
private void WalkFlowControlBlockWithOptionalParens(Block block, int startIndex, int previousExpressionEnd, bool inParens) {
if (block != null) {
if (block.Braces == BraceState.None) {
// braces are omitted...
// if (foo)
// blah
// vs
// if (foo) blah
// TODO: https://nodejstools.codeplex.com/workitem/1475 causes a failure as our end < start. Parser is failing and until fixed will cause a failure here.
bool multiLine = ContainsLineFeed(previousExpressionEnd, block.GetStartIndex(_tree.LocationResolver));
if (multiLine) {
// remove trailing whitespace at the end of this line
bool followedBySingleLineComment;
int startOfWhiteSpace, whiteSpaceCount;
ParseEndOfLine(previousExpressionEnd, inParens, out followedBySingleLineComment, out startOfWhiteSpace, out whiteSpaceCount);
if (startOfWhiteSpace != -1) {
_edits.Add(new Edit(startOfWhiteSpace, whiteSpaceCount, ""));
}
Indent();
}
WalkStatements(startIndex, block.Statements, false);
if (multiLine) {
Dedent();
}
} else {
var blockStart = block.GetStartIndex(_tree.LocationResolver);
if (_code[blockStart] == '{') {
ReplacePreceedingIncludingNewLines(blockStart, GetFlowControlBraceInsertion(previousExpressionEnd, false, blockStart));
} else {
ReplacePreceedingIncludingNewLines(blockStart, GetFlowControlBraceInsertion(previousExpressionEnd, false, -1));
}
WalkBlock(block);
}
}
}