public JsDirectivePrologue(string value, JsContext context, JsParser parser)
: base(value, JsPrimitiveType.String, context, parser)
{
// this is a "use strict" directive if the source context is EXACTLY "use strict"
// don't consider the quotes so it can be " or ' delimiters
UseStrict = string.CompareOrdinal(Context.Code, 1, "use strict", 0, 10) == 0;
}
private JsReorderScopeVisitor(JsParser parser)
{
// save the mods we care about
m_moveVarStatements = parser.Settings.ReorderScopeDeclarations && parser.Settings.IsModificationAllowed(JsTreeModifications.CombineVarStatementsToTopOfScope);
m_moveFunctionDecls = parser.Settings.ReorderScopeDeclarations && parser.Settings.IsModificationAllowed(JsTreeModifications.MoveFunctionToTopOfScope);
m_combineAdjacentVars = parser.Settings.IsModificationAllowed(JsTreeModifications.CombineVarStatements);
}
private void Form1_Shown(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
DialogResult result;
do
{
result = ofd.ShowDialog();
} while (result != DialogResult.OK || ofd.FileName == null);
string fileName = ofd.FileName;
FileInfo snakewareLogo = new FileInfo(fileName);
MessageBox.Show("Bytes before: " + snakewareLogo.Length);
ImageOptimizer optimizer = new ImageOptimizer();
optimizer.LosslessCompress(snakewareLogo);
snakewareLogo.Refresh();
MessageBox.Show("Bytes after: " + snakewareLogo.Length);
//Compressor
return;
AntlrFileStream inputStream = new AntlrFileStream(fileName);
IParseTree tree = null;
IVocabulary names = null;
string typeS = fileName.Substring(fileName.LastIndexOf('.') + 1);
switch (typeS.ToUpper())
{
case "CSS":
tree = new CssParser(new CommonTokenStream(new CssLexer(inputStream))).stylesheet();
names = CssParser.DefaultVocabulary;
break;
case "HTML":
tree = new HtmlParser(new CommonTokenStream(new HtmlLexer(inputStream))).htmlDocument();
names = HtmlParser.DefaultVocabulary;
break;
case "JS":
tree = new JsParser(new CommonTokenStream(new JsLexer(inputStream))).program();
names = JsParser.DefaultVocabulary;
break;
}
var node = treeView.Nodes.Add(ToText(tree, names));
RecursFn(tree, node, (i) => ToText(i, names));
/*var d = new CommonTokenStream(new HtmlLexer(inputStream));
* names = HtmlParser.DefaultVocabulary;
* d.Fill();
* foreach(var item in d.GetTokens()) {
* treeView.Nodes.Add(names.GetDisplayName(item.Type) + " --- " + item.ToString());
* }*/
}
protected JsAstNode(JsContext context, JsParser parser)
{
Parser = parser;
if (context != null)
{
Context = context;
}
else
{
// generate a bogus context
Context = new JsContext(parser);
}
}
public JsImportantComment(JsContext context, JsParser parser)
: base(context, parser)
{
if (parser != null && parser.Settings.OutputMode == MinifierOutputMode.SingleLine)
{
// if we are in single-line mode, we want to replace all CRLF pairs
// with just the LF to save output bytes.
Comment = Context.Code.Replace("\r\n", "\n");
}
else
{
// multi-line mode, just leave it as-is
Comment = Context.Code;
}
}
public JsImportantComment(JsContext context, JsParser parser)
: base(context, parser)
{
if (parser != null && parser.Settings.OutputMode == MinifierOutputMode.SingleLine)
{
// if we are in single-line mode, we want to replace all CRLF pairs
// with just the LF to save output bytes.
Comment = Context.Code.Replace("\r\n", "\n");
}
else
{
// multi-line mode, just leave it as-is
Comment = Context.Code;
}
}
public virtual ITokenSource Edit(ITokenSource tokens)
{
CommonTokenStream s = new CommonTokenStream(tokens);
JsParser parser = new JsParser(s);
s.Fill();
var program = parser.program();
visitor.Visit(program, s.GetTokens());
var source = new ListTokenSource(visitor.GetResult());
source.TokenFactory = tokens.TokenFactory;
return(source);
}
public ITokenSource Edit(ITokenSource tokens)
{
CommonTokenStream s = new CommonTokenStream(tokens);
JsParser parser = new JsParser(s);
s.Fill();
IVisitorTree v = new JsVisitorChangeLiteralString(factoryNames, tokens.TokenFactory);
var program = parser.program();
v.Visit(program, s.GetTokens());
var source = new ListTokenSource(v.GetResult());
source.TokenFactory = tokens.TokenFactory;
return(source);
}
public JsParameterDeclaration(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsFunctionObject(JsContext functionContext, JsParser parser)
: base(functionContext, parser)
{
}
public JsThisLiteral(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsConditionalCompilationElse(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsGroupingOperator(JsContext context, JsParser parser)
: base(context, parser)
{
}
protected JsConditionalCompilationStatement(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsVar(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsContinueNode(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsDebuggerNode(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsConditionalCompilationEnd(JsContext context, JsParser parser)
: base(context, parser)
{
}
protected JsConditionalCompilationStatement(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsThisLiteral(JsContext context, JsParser parser)
: base(context, parser)
{
}
public static void Apply(JsBlock block, JsParser parser)
{
// create a new instance of the visitor and apply it to the block
var visitor = new JsReorderScopeVisitor(parser);
block.Accept(visitor);
// if there were any module directive prologues we need to promote, do them first
var insertAt = 0;
if (visitor.m_moduleDirectives != null)
{
foreach (var directivePrologue in visitor.m_moduleDirectives)
{
insertAt = RelocateDirectivePrologue(block, insertAt, directivePrologue);
}
}
// Make sure that we skip over any remaining comments and directive prologues.
// we do NOT want to insert anything between the start of the scope and any directive prologues.
while (insertAt < block.Count &&
(block[insertAt] is JsDirectivePrologue || block[insertAt] is JsImportantComment))
{
++insertAt;
}
// first, we want to move all function declarations to the top of this block
if (visitor.m_functionDeclarations != null)
{
foreach (var funcDecl in visitor.m_functionDeclarations)
{
insertAt = RelocateFunction(block, insertAt, funcDecl);
}
}
// special case: if there is only one var statement in the entire scope,
// then just leave it alone because we will only add bytes by moving it around,
// or be byte-neutral at best (no initializers and not in a for-statement).
if (visitor.m_varStatements != null && visitor.m_varStatements.Count > 1)
{
// then we want to move all variable declarations after to the top (after the functions)
foreach (var varStatement in visitor.m_varStatements)
{
insertAt = RelocateVar(block, insertAt, varStatement);
}
}
// then we want to do the same thing for all child functions (declarations AND other)
if (visitor.m_functionDeclarations != null)
{
foreach (var funcDecl in visitor.m_functionDeclarations)
{
Apply(funcDecl.Body, parser);
}
}
if (visitor.m_functionExpressions != null)
{
foreach (var funcExpr in visitor.m_functionExpressions)
{
Apply(funcExpr.Body, parser);
}
}
}
public JsDocumentContext(JsParser parser)
{
m_parser = parser;
IsGenerated = true;
Source = "[generated code]";
}
public JsObjectLiteral(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsDocumentContext(JsParser parser, string source)
{
m_parser = parser;
Source = source;
}
public JsSwitchCase(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsLogicalNot(JsAstNode node, JsParser parser)
{
m_expression = node;
m_parser = parser;
}
public JsRegExpLiteral(JsContext context, JsParser parser)
: base(context, parser)
{
}
public static void Apply(JsAstNode node, JsParser parser)
{
var logicalNot = new JsLogicalNot(node, parser);
logicalNot.Apply();
}
public JsDoWhile(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsMember(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsBreak(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsContext(JsParser parser)
: this(new JsDocumentContext(parser))
{
}
public JsConstantWrapperPP(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsReturnNode(JsContext context, JsParser parser)
: base(context, parser)
{
}
public JsGetterSetter(String identifier, bool isGetter, JsContext context, JsParser parser)
: base(identifier, JsPrimitiveType.String, context, parser)
{
IsGetter = isGetter;
}
public JsBlock(JsContext context, JsParser parser)
: base(context, parser)
{
m_list = new List <JsAstNode>();
}