Rename "toCss" to "serialize"

This matches the filename and the name of the visitor.

lib/src/ast/css/node.dart

@@ -55,7 +55,7 @@ abstract class CssNode extends AstNode {
     _parent = null;
   }
 
-  String toString() => toCss(this, inspect: true);
+  String toString() => serialize(this, inspect: true);
 }
 
 // NOTE: New at-rule implementations should add themselves to [AtRootRule]'s

lib/src/ast/selector.dart

@@ -33,5 +33,5 @@ abstract class Selector {
   /// Calls the appropriate visit method on [visitor].
   T accept<T>(SelectorVisitor<T> visitor);
 
-  String toString() => selectorToCss(this, inspect: true);
+  String toString() => serializeSelector(this, inspect: true);
 }

lib/src/compile.dart

@@ -48,7 +48,7 @@ String compileString(String source,
       : new Stylesheet.parseScss(source, url: url, color: color);
   var cssTree = evaluate(sassTree,
       color: color, packageResolver: packageResolver, loadPaths: loadPaths);
-  return toCss(cssTree,
+  return serialize(cssTree,
       style: style,
       useSpaces: useSpaces,
       indentWidth: indentWidth,

lib/src/value.dart

@@ -301,14 +301,14 @@ abstract class Value {
   /// isn't valid CSS.
   ///
   /// If [quote] is `false`, quoted strings are emitted without quotes.
-  String toCssString({bool quote: true}) => valueToCss(this, quote: quote);
+  String toCssString({bool quote: true}) => serializeValue(this, quote: quote);
 
   /// Returns a string representation of [this].
   ///
   /// Note that this is equivalent to calling `inspect()` on the value, and thus
   /// won't reflect the user's output settings. [toCssString] should be used
   /// instead to convert [this] to CSS.
-  String toString() => valueToCss(this, inspect: true);
+  String toString() => serializeValue(this, inspect: true);
 
   /// Throws a [SassScriptException] with the given [message].
   SassScriptException _exception(String message, [String name]) =>

lib/src/visitor/evaluate.dart

@@ -938,7 +938,7 @@ class _EvaluateVisitor
       var value = node.expression.accept(this);
       var string = value is SassString
           ? value.text
-          : _toCss(value, node.expression.span);
+          : _serialize(value, node.expression.span);
       stderr.writeln("WARNING: $string");
     });
 
@@ -1016,8 +1016,8 @@ class _EvaluateVisitor
           var right = node.right.accept(this);
           var result = left.dividedBy(right);
           if (node.allowsSlash && left is SassNumber && right is SassNumber) {
-            var leftSlash = left.asSlash ?? _toCss(left, node.left.span);
-            var rightSlash = right.asSlash ?? _toCss(right, node.left.span);
+            var leftSlash = left.asSlash ?? _serialize(left, node.left.span);
+            var rightSlash = right.asSlash ?? _serialize(right, node.left.span);
             return (result as SassNumber).withSlash("$leftSlash/$rightSlash");
           } else {
             return result;
@@ -1212,7 +1212,7 @@ class _EvaluateVisitor
       var rest = arguments.rest?.accept(this);
       if (rest != null) {
         if (!first) buffer.write(", ");
-        buffer.write(_toCss(rest, arguments.rest.span));
+        buffer.write(_serialize(rest, arguments.rest.span));
       }
       buffer.writeCharCode($rparen);
 
@@ -1461,7 +1461,7 @@ class _EvaluateVisitor
           var result = expression.accept(this);
           return result is SassString
               ? result.text
-              : _toCss(result, expression.span, quote: false);
+              : _serialize(result, expression.span, quote: false);
         }).join(),
         quotes: node.hasQuotes);
   }
@@ -1530,7 +1530,7 @@ class _EvaluateVisitor
             expression.span);
       }
 
-      return _toCss(result, expression.span, quote: false);
+      return _serialize(result, expression.span, quote: false);
     }).join();
   }
 
@@ -1541,11 +1541,11 @@ class _EvaluateVisitor
   /// Evaluates [expression] and calls `toCssString()` and wraps a
   /// [SassScriptException] to associate it with [span].
   String _evaluateToCss(Expression expression, {bool quote: true}) =>
-      _toCss(expression.accept(this), expression.span, quote: quote);
+      _serialize(expression.accept(this), expression.span, quote: quote);
 
   /// Calls `value.toCssString()` and wraps a [SassScriptException] to associate
   /// it with [span].
-  String _toCss(Value value, FileSpan span, {bool quote: true}) =>
+  String _serialize(Value value, FileSpan span, {bool quote: true}) =>
       _addExceptionSpan(span, () => value.toCssString(quote: quote));
 
   /// Adds [node] as a child of the current parent, then runs [callback] with

lib/src/visitor/serialize.dart

@@ -28,14 +28,14 @@ import 'interface/value.dart';
 /// source structure. Note however that, although this will be valid SCSS, it
 /// may not be valid CSS. If [inspect] is `false` and [node] contains any values
 /// that can't be represented in plain CSS, throws a [SassException].
-String toCss(CssNode node,
+String serialize(CssNode node,
     {OutputStyle style,
     bool inspect: false,
     bool useSpaces: true,
     int indentWidth,
     LineFeed lineFeed}) {
   indentWidth ??= 2;
-  var visitor = new _SerializeCssVisitor(
+  var visitor = new _SerializeVisitor(
       style: style,
       inspect: inspect,
       useSpaces: useSpaces,
@@ -57,8 +57,8 @@ String toCss(CssNode node,
 /// represented in plain CSS, throws a [SassScriptException].
 ///
 /// If [quote] is `false`, quoted strings are emitted without quotes.
-String valueToCss(Value value, {bool inspect: false, bool quote: true}) {
-  var visitor = new _SerializeCssVisitor(inspect: inspect, quote: quote);
+String serializeValue(Value value, {bool inspect: false, bool quote: true}) {
+  var visitor = new _SerializeVisitor(inspect: inspect, quote: quote);
   value.accept(visitor);
   return visitor._buffer.toString();
 }
@@ -69,15 +69,14 @@ String valueToCss(Value value, {bool inspect: false, bool quote: true}) {
 /// source structure. Note however that, although this will be valid SCSS, it
 /// may not be valid CSS. If [inspect] is `false` and [selector] can't be
 /// represented in plain CSS, throws a [SassScriptException].
-String selectorToCss(Selector selector, {bool inspect: false}) {
-  var visitor = new _SerializeCssVisitor(inspect: inspect);
+String serializeSelector(Selector selector, {bool inspect: false}) {
+  var visitor = new _SerializeVisitor(inspect: inspect);
   selector.accept(visitor);
   return visitor._buffer.toString();
 }
 
 /// A visitor that converts CSS syntax trees to plain strings.
-class _SerializeCssVisitor
-    implements CssVisitor, ValueVisitor, SelectorVisitor {
+class _SerializeVisitor implements CssVisitor, ValueVisitor, SelectorVisitor {
   /// A buffer that contains the CSS produced so far.
   final _buffer = new StringBuffer();
 
@@ -100,7 +99,7 @@ class _SerializeCssVisitor
   /// The characters to use for a line feed.
   final LineFeed _lineFeed;
 
-  _SerializeCssVisitor(
+  _SerializeVisitor(
       {OutputStyle style,
       bool inspect: false,
       bool quote: true,

test/dart_script_test.dart

@@ -20,7 +20,8 @@ main() {
     var resolver = new SyncPackageResolver.config(
         {"fake_package": p.toUri(p.join(d.sandbox, 'subdir'))});
 
-    var css = compile(p.join(d.sandbox, "test.scss"), packageResolver: resolver);
+    var css =
+        compile(p.join(d.sandbox, "test.scss"), packageResolver: resolver);
     expect(css, equals("a {\n  b: 3;\n}"));
   });