/// <summary>
/// Converts a Mono.CSharpPs syntax tree into an NRefactory syntax tree.
/// </summary>
public SyntaxTree Parse(CompilerCompilationUnit top, string fileName)
{
if (top == null) {
return null;
}
PlayScriptParser.ConversionVisitor conversionVisitor = new ConversionVisitor (GenerateTypeSystemMode, top.LocationsBag);
top.ModuleCompiled.Accept(conversionVisitor);
conversionVisitor.Unit.FixOutOfOrderLocations(); // Reorder locations that are incorrect for PlayScript
InsertComments(top, conversionVisitor);
if (CompilationUnitCallback != null) {
CompilationUnitCallback(top);
}
if (top.LastYYValue is Mono.CSharpPs.Expression) {
conversionVisitor.Unit.TopExpression = ((Mono.CSharpPs.Expression)top.LastYYValue).Accept(conversionVisitor) as AstNode;
}
conversionVisitor.Unit.FileName = fileName;
conversionVisitor.Unit.ConditionalSymbols = top.Conditionals.Concat (compilerSettings.ConditionalSymbols).ToArray ();
return conversionVisitor.Unit;
}
SyntaxTree Parse(ITextSource program, string fileName, int initialLine, int initialColumn)
{
lock (parseLock) {
errorReportPrinter = new ErrorReportPrinter ("");
var ctx = new CompilerContext (compilerSettings.ToMono(), errorReportPrinter);
ctx.Settings.TabSize = 1;
var reader = new SeekableStreamReader (program);
var file = new SourceFile (fileName, fileName, 0);
Location.Initialize (new List<SourceFile> (new [] { file }));
var module = new ModuleContainer (ctx);
var session = new ParserSession ();
session.LocationsBag = new LocationsBag ();
var report = new Report (ctx, errorReportPrinter);
CompilerCompilationUnit top;
if (String.IsNullOrEmpty(fileName) || fileName.EndsWith(".play") || fileName.EndsWith(".as")) {
if (String.IsNullOrEmpty(fileName) || fileName.EndsWith(".play"))
file.PsExtended = true; // Assume playscript unless we have an actual file ext.
var parser = (Mono.PlayScript.PlayScriptParser)Driver.Parse(reader, file, module, session, report, initialLine - 1, initialColumn - 1);
top = new CompilerCompilationUnit() {
ModuleCompiled = module,
LocationsBag = session.LocationsBag,
SpecialsBag = parser.Lexer.sbag,
Conditionals = parser.Lexer.SourceFile.Conditionals
};
} else {
var parser = (Mono.CSharpPs.CSharpParser)Driver.Parse(reader, file, module, session, report, initialLine - 1, initialColumn - 1);
top = new CompilerCompilationUnit() {
ModuleCompiled = module,
LocationsBag = session.LocationsBag,
SpecialsBag = parser.Lexer.sbag,
Conditionals = parser.Lexer.SourceFile.Conditionals
};
}
var unit = Parse (top, fileName);
unit.Errors.AddRange (errorReportPrinter.Errors);
CompilerCallableEntryPoint.Reset ();
return unit;
}
}
static void InsertComments (CompilerCompilationUnit top, ConversionVisitor conversionVisitor)
{
var leaf = GetOuterLeft (conversionVisitor.Unit);
for (int i = 0; i < top.SpecialsBag.Specials.Count; i++) {
var special = top.SpecialsBag.Specials [i];
AstNode newLeaf = null;
var comment = special as SpecialsBag.Comment;
if (comment != null) {
// HACK: multiline documentation comment detection; better move this logic into the mcs tokenizer
bool isMultilineDocumentationComment = (
comment.CommentType == SpecialsBag.CommentType.Multi
&& comment.Content.StartsWith("*", StringComparison.Ordinal)
&& !comment.Content.StartsWith("**", StringComparison.Ordinal)
);
if (conversionVisitor.convertTypeSystemMode && !(comment.CommentType == SpecialsBag.CommentType.Documentation || isMultilineDocumentationComment))
continue;
var type = isMultilineDocumentationComment ? CommentType.MultiLineDocumentation : (CommentType)comment.CommentType;
var start = new TextLocation (comment.Line, comment.Col);
var end = new TextLocation (comment.EndLine, comment.EndCol);
newLeaf = new Comment (type, start, end) {
StartsLine = comment.StartsLine,
Content = isMultilineDocumentationComment ? comment.Content.Substring(1) : comment.Content
};
} else {
var directive = special as SpecialsBag.PreProcessorDirective;
if (directive != null) {
newLeaf = new PreProcessorDirective ((ICSharpCode.NRefactory.PlayScript.PreProcessorDirectiveType)((int)directive.Cmd & 0xF), new TextLocation (directive.Line, directive.Col), new TextLocation (directive.EndLine, directive.EndCol)) {
Argument = directive.Arg,
Take = directive.Take
};
} else {
/* var newLine = special as SpecialsBag.NewLineToken;
if (newLine != null) {
if (newLine.NewLine == SpecialsBag.NewLine.Unix) {
newLeaf = new UnixNewLine (new TextLocation (newLine.Line, newLine.Col));
} else {
newLeaf = new WindowsNewLine (new TextLocation (newLine.Line, newLine.Col));
}
}*/
}
}
if (newLeaf == null)
continue;
while (true) {
var nextLeaf = NextLeaf (leaf);
// insert comment at begin
if (newLeaf.StartLocation < leaf.StartLocation) {
var node = leaf.Parent ?? conversionVisitor.Unit;
while (node.Parent != null && node.FirstChild == leaf) {
leaf = node;
node = node.Parent;
}
if (newLeaf is NewLineNode) {
node.InsertChildBefore (leaf, (NewLineNode)newLeaf, Roles.NewLine);
} else if (newLeaf is Comment) {
node.InsertChildBefore (leaf, (Comment)newLeaf, Roles.Comment);
} else {
node.InsertChildBefore (leaf, (PreProcessorDirective)newLeaf, Roles.PreProcessorDirective);
}
leaf = newLeaf;
break;
}
// insert comment at the end
if (nextLeaf == null) {
var node = leaf.Parent ?? conversionVisitor.Unit;
if (newLeaf is NewLineNode) {
node.AddChild ((NewLineNode)newLeaf, Roles.NewLine);
} else if (newLeaf is Comment) {
node.AddChild ((Comment)newLeaf, Roles.Comment);
} else {
node.AddChild ((PreProcessorDirective)newLeaf, Roles.PreProcessorDirective);
}
leaf = newLeaf;
break;
}
// comment is between 2 nodes
if (leaf.EndLocation <= newLeaf.StartLocation && newLeaf.StartLocation <= nextLeaf.StartLocation) {
var node = leaf.Parent ?? conversionVisitor.Unit;
if (newLeaf is NewLineNode) {
node.InsertChildAfter (leaf, (NewLineNode)newLeaf, Roles.NewLine);
} else if (newLeaf is Comment) {
node.InsertChildAfter (leaf, (Comment)newLeaf, Roles.Comment);
} else {
node.InsertChildAfter (leaf, (PreProcessorDirective)newLeaf, Roles.PreProcessorDirective);
}
leaf = newLeaf;
break;
}
leaf = nextLeaf;
}
}
}
