Delint the shell_words.dart file. (dart-lang/io#25)
diff --git a/pkgs/io/lib/src/shell_words.dart b/pkgs/io/lib/src/shell_words.dart
index 1fb1306..12e5d7e 100644
--- a/pkgs/io/lib/src/shell_words.dart
+++ b/pkgs/io/lib/src/shell_words.dart
@@ -2,6 +2,8 @@
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
+// ignore_for_file: comment_references
+
import 'package:charcode/charcode.dart';
import 'package:string_scanner/string_scanner.dart';
@@ -20,9 +22,9 @@
///
/// Throws a [FormatException] if [command] isn't a valid shell command.
List<String> shellSplit(String command) {
- var scanner = new StringScanner(command);
- var results = <String>[];
- var token = new StringBuffer();
+ final scanner = new StringScanner(command);
+ final results = <String>[];
+ final token = new StringBuffer();
// Whether a token is being parsed, as opposed to a separator character. This
// is different than just [token.isEmpty], because empty quoted tokens can
@@ -30,7 +32,7 @@
var hasToken = false;
while (!scanner.isDone) {
- var next = scanner.readChar();
+ final next = scanner.readChar();
switch (next) {
case $backslash:
// Section 2.2.1: A <backslash> that is not quoted shall preserve the
@@ -51,7 +53,7 @@
// Section 2.2.2: Enclosing characters in single-quotes ( '' ) shall
// preserve the literal value of each character within the
// single-quotes. A single-quote cannot occur within single-quotes.
- var firstQuote = scanner.position - 1;
+ final firstQuote = scanner.position - 1;
while (!scanner.scanChar($single_quote)) {
_checkUnmatchedQuote(scanner, firstQuote);
token.writeCharCode(scanner.readChar());
@@ -68,7 +70,7 @@
// (Note that this code doesn't preserve special behavior of backquote
// or dollar sign within double quotes, since those are dynamic
// features.)
- var firstQuote = scanner.position - 1;
+ final firstQuote = scanner.position - 1;
while (!scanner.scanChar($double_quote)) {
_checkUnmatchedQuote(scanner, firstQuote);
@@ -80,7 +82,7 @@
// by one of the following characters when considered special:
//
// $ ` " \ <newline>
- var next = scanner.readChar();
+ final next = scanner.readChar();
if (next == $lf) continue;
if (next == $dollar ||
next == $backquote ||
@@ -88,8 +90,7 @@
next == $backslash) {
token.writeCharCode(next);
} else {
- token.writeCharCode($backslash);
- token.writeCharCode(next);
+ token..writeCharCode($backslash)..writeCharCode(next);
}
} else {
token.writeCharCode(scanner.readChar());
@@ -116,6 +117,7 @@
case $space:
case $tab:
case $lf:
+ // ignore: invariant_booleans
if (hasToken) results.add(token.toString());
hasToken = false;
token.clear();
@@ -136,7 +138,7 @@
/// quote matching the one at position [openingQuote] is missing.
void _checkUnmatchedQuote(StringScanner scanner, int openingQuote) {
if (!scanner.isDone) return;
- var type = scanner.substring(openingQuote, openingQuote + 1) == '"'
+ final type = scanner.substring(openingQuote, openingQuote + 1) == '"'
? "double"
: "single";
scanner.error("Unmatched $type quote.", position: openingQuote, length: 1);
