// TODO: avoid pre-computing line starts, can tss use SourceFiles instead?
/* @internal, from scanner.ts */
function computeLineStarts(text) {
var result = new Array();
var pos = 0;
var lineStart = 0;
while (pos < text.length) {
var ch = text.charCodeAt(pos++);
switch (ch) {
case 0x0D:
if (text.charCodeAt(pos) === 0x0A) {
pos++;
}
case 0x0A:
result.push(lineStart);
lineStart = pos;
break;
default:
if (ch > 0x7F && ts.isLineBreak(ch)) {
result.push(lineStart);
lineStart = pos;
}
break;
}
}
result.push(lineStart);
return result;
}
/**
* Calculates the index after the newline following pos, or the beginning of the next token, whichever comes first.
* See also getSplitIndexes.
* This method is a modified version of TypeScript's internal iterateCommentRanges function.
*/
function getNextSplitIndex(text, pos) {
scan: while (pos >= 0 && pos < text.length) {
var ch = text.charCodeAt(pos);
switch (ch) {
case 13 /* carriageReturn */:
if (text.charCodeAt(pos + 1) === 10 /* lineFeed */) {
pos++;
}
// falls through
case 10 /* lineFeed */:
pos++;
// split is after new line
return pos;
case 9 /* tab */:
case 11 /* verticalTab */:
case 12 /* formFeed */:
case 32 /* space */:
// skip whitespace
pos++;
continue;
case 47 /* slash */:
var nextChar = text.charCodeAt(pos + 1);
if (nextChar === 47 /* slash */ || nextChar === 42 /* asterisk */) {
var isSingleLineComment = nextChar === 47 /* slash */;
pos += 2;
if (isSingleLineComment) {
while (pos < text.length) {
if (ts.isLineBreak(text.charCodeAt(pos))) {
// the comment ends here, go back to default logic to handle parsing new line and result
continue scan;
}
pos++;
}
}
else {
while (pos < text.length) {
if (text.charCodeAt(pos) === 42 /* asterisk */ && text.charCodeAt(pos + 1) === 47 /* slash */) {
pos += 2;
continue scan;
}
pos++;
}
}
// if we arrive here, it's because pos == text.length
return pos;
}
break scan;
default:
// skip whitespace:
if (ch > 127 /* maxAsciiCharacter */ && (ts.isWhiteSpaceLike(ch))) {
pos++;
continue;
}
break scan;
}
}
return pos;
}
TypedefWhitespaceWalker.prototype.checkLeft = function (colonStart, option, key) {
var pos = colonStart;
var text = this.sourceFile.text;
var current = text.charCodeAt(pos - 1);
while (ts.isWhiteSpaceSingleLine(current)) {
--pos;
current = text.charCodeAt(pos - 1);
}
if (ts.isLineBreak(current)) {
return;
}
return this.validateWhitespace(pos, colonStart, option, "before", key);
};
TypedefWhitespaceWalker.prototype.checkRight = function (colonEnd, option, key) {
var pos = colonEnd;
var text = this.sourceFile.text;
var current = text.charCodeAt(pos);
if (ts.isLineBreak(current)) {
return;
}
while (ts.isWhiteSpaceSingleLine(current)) {
++pos;
current = text.charCodeAt(pos);
}
return this.validateWhitespace(colonEnd, pos, option, "after", key);
};