danog/dart-sass
1
0
Fork 0
mirror of https://github.com/danog/dart-sass.git synced 2024-11-30 04:39:03 +01:00
Code Issues Packages Projects Releases Wiki Activity

Refactor parse().

Browse Source
This commit is contained in:
Natalie Weizenbaum 2016-05-24 06:40:26 -07:00
parent 2f332b4bbc
commit 306d5998ef
1 changed files with 18 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
lib/src/parser.dart
View File

@ -35,17 +35,28 @@ class Parser {
var children = <AstNode>[];
do {
children.addAll(_comments());
var child = _tryVariableDeclaration() ??
_tryAtRule() ??
_tryDeclaration();
if (child != null) children.add(child);
switch (_scanner.peekChar()) {
case $dollar:
children.add(_variableDeclaration());
break;
case $at:
children.add(_atRule());
break;
case $semicolon: break;
default:
children.add(_declaration());
break;
}
} while (_scanner.scan(';'));
_scanner.expectDone();
return new StylesheetNode(children, span: _scanner.spanFrom(start));
}
VariableDeclarationNode _tryVariableDeclaration() {
VariableDeclarationNode _variableDeclaration() {
if (!_scanChar($dollar)) return null;
var start = _scanner.state;
@ -78,9 +89,9 @@ class Parser {
guarded: guarded, global: global, span: _scanner.spanFrom(start));
}
AstNode _tryAtRule() => null;
AstNode _atRule() => throw new UnimplementedError();
AstNode _tryDeclaration() => null;
AstNode _declaration() => throw new UnimplementedError();
/// Consumes whitespace if available and returns any comments it contained.
List<CommentNode> _comments() {