Function classifyLeadingTriviaAndGetTokenStart

test/fixtures/snapshot/typescript.js:130521–130571

(token)

            result.push(type);
        }
        function classifyLeadingTriviaAndGetTokenStart(token) {
            triviaScanner.setTextPos(token.pos);
            while (true) {
                var start = triviaScanner.getTextPos();
                // only bother scanning if we have something that could be trivia.
                if (!ts.couldStartTrivia(sourceFile.text, start)) {
                    return start;
                }
                var kind = triviaScanner.scan();
                var end = triviaScanner.getTextPos();
                var width = end - start;
                // The moment we get something that isn't trivia, then stop processing.
                if (!ts.isTrivia(kind)) {
                    return start;
                }
                switch (kind) {
                    case 4 /* SyntaxKind.NewLineTrivia */:
                    case 5 /* SyntaxKind.WhitespaceTrivia */:
                        // Don't bother with newlines/whitespace.
                        continue;
                    case 2 /* SyntaxKind.SingleLineCommentTrivia */:
                    case 3 /* SyntaxKind.MultiLineCommentTrivia */:
                        // Only bother with the trivia if it at least intersects the span of interest.
                        classifyComment(token, kind, start, width);
                        // Classifying a comment might cause us to reuse the trivia scanner
                        // (because of jsdoc comments).  So after we classify the comment make
                        // sure we set the scanner position back to where it needs to be.
                        triviaScanner.setTextPos(end);
                        continue;
                    case 7 /* SyntaxKind.ConflictMarkerTrivia */:
                        var text = sourceFile.text;
                        var ch = text.charCodeAt(start);
                        // for the <<<<<<< and >>>>>>> markers, we just add them in as comments
                        // in the classification stream.
                        if (ch === 60 /* CharacterCodes.lessThan */ || ch === 62 /* CharacterCodes.greaterThan */) {
                            pushClassification(start, width, 1 /* ClassificationType.comment */);
                            continue;
                        }
                        // for the ||||||| and ======== markers, add a comment for the first line,
                        // and then lex all subsequent lines up until the end of the conflict marker.
                        ts.Debug.assert(ch === 124 /* CharacterCodes.bar */ || ch === 61 /* CharacterCodes.equals */);
                        classifyDisabledMergeCode(text, start, end);
                        break;
                    case 6 /* SyntaxKind.ShebangTrivia */:
                        // TODO: Maybe we should classify these.
                        break;
                    default:
                        ts.Debug.assertNever(kind);
                }
            }
        }
        function classifyComment(token, kind, start, width) {
            if (kind === 3 /* SyntaxKind.MultiLineCommentTrivia */) {
                // See if this is a doc comment.  If so, we'll classify certain portions of it