protected override void ScanSpan(ref int i)
{
if (CSharpSyntaxMode.DisableConditionalHighlighting)
{
base.ScanSpan(ref i);
return;
}
int textOffset = i - StartOffset;
if (CurText.IsAt(textOffset, "#else"))
{
if (!spanStack.Any(s => s is IfBlockSpan || s is ElseIfBlockSpan))
{
base.ScanSpan(ref i);
return;
}
bool previousResult = false;
foreach (Span span in spanStack)
{
if (span is IfBlockSpan)
{
previousResult = ((IfBlockSpan)span).IsValid;
}
if (span is ElseIfBlockSpan)
{
previousResult |= ((ElseIfBlockSpan)span).IsValid;
}
}
// LineSegment line = doc.GetLineByOffset (i);
// int length = line.Offset + line.EditableLength - i;
while (spanStack.Count > 0 && !(CurSpan is IfBlockSpan || CurSpan is ElseIfBlockSpan))
{
spanStack.Pop();
}
IfBlockSpan ifBlock = CurSpan as IfBlockSpan;
ElseIfBlockSpan elseIfBlock = CurSpan as ElseIfBlockSpan;
ElseBlockSpan elseBlockSpan = new ElseBlockSpan(!previousResult);
if (ifBlock != null)
{
elseBlockSpan.Disabled = ifBlock.Disabled;
}
else if (elseIfBlock != null)
{
elseBlockSpan.Disabled = elseIfBlock.Disabled;
}
FoundSpanBegin(elseBlockSpan, i, "#else".Length);
i += "#else".Length;
// put pre processor eol span on stack, so that '#elif' gets the correct highlight
Span preprocessorSpan = CreatePreprocessorSpan();
FoundSpanBegin(preprocessorSpan, i, 0);
return;
}
if (CurRule.Name == "<root>" && CurText.IsAt(textOffset, "#if"))
{
int length = CurText.Length - textOffset;
string parameter = CurText.Substring(textOffset + 3, length - 3);
ICSharpCode.NRefactory.Parser.CSharp.Lexer lexer = new ICSharpCode.NRefactory.Parser.CSharp.Lexer(new System.IO.StringReader(parameter));
ICSharpCode.NRefactory.Ast.Expression expr = lexer.PPExpression();
bool result = false;
if (expr != null && !expr.IsNull)
{
object o = expr.AcceptVisitor(new ConditinalExpressionEvaluator(doc), null);
if (o is bool)
{
result = (bool)o;
}
}
IfBlockSpan ifBlockSpan = new IfBlockSpan(result);
foreach (Span span in spanStack)
{
if (span is AbstractBlockSpan)
{
AbstractBlockSpan parentBlock = (AbstractBlockSpan)span;
ifBlockSpan.Disabled = parentBlock.Disabled || !parentBlock.IsValid;
break;
}
}
FoundSpanBegin(ifBlockSpan, i, length);
i += length - 1;
return;
}
if (CurText.IsAt(textOffset, "#elif") && spanStack.Any(span => span is IfBlockSpan))
{
LineSegment line = doc.GetLineByOffset(i);
int length = line.Offset + line.EditableLength - i;
string parameter = doc.GetTextAt(i + 5, length - 5);
ICSharpCode.NRefactory.Parser.CSharp.Lexer lexer = new ICSharpCode.NRefactory.Parser.CSharp.Lexer(new System.IO.StringReader(parameter));
ICSharpCode.NRefactory.Ast.Expression expr = lexer.PPExpression();
bool result = !expr.IsNull ? (bool)expr.AcceptVisitor(new ConditinalExpressionEvaluator(doc), null) : false;
IfBlockSpan containingIf = null;
if (result)
{
bool previousResult = false;
foreach (Span span in spanStack)
{
if (span is IfBlockSpan)
{
containingIf = (IfBlockSpan)span;
previousResult = ((IfBlockSpan)span).IsValid;
break;
}
if (span is ElseIfBlockSpan)
{
previousResult |= ((ElseIfBlockSpan)span).IsValid;
}
}
result = !previousResult;
}
ElseIfBlockSpan elseIfBlockSpan = new ElseIfBlockSpan(result);
if (containingIf != null)
{
elseIfBlockSpan.Disabled = containingIf.Disabled;
}
FoundSpanBegin(elseIfBlockSpan, i, 0);
// put pre processor eol span on stack, so that '#elif' gets the correct highlight
Span preprocessorSpan = CreatePreprocessorSpan();
FoundSpanBegin(preprocessorSpan, i, 0);
//i += length - 1;
return;
}
if (CurRule.Name == "<root>" && CurText[textOffset] == '#')
{
Span preprocessorSpan = CreatePreprocessorSpan();
FoundSpanBegin(preprocessorSpan, i, 1);
}
base.ScanSpan(ref i);
}
protected override void ScanSpan (ref int i)
{
if (CSharpSyntaxMode.DisableConditionalHighlighting) {
base.ScanSpan (ref i);
return;
}
int textOffset = i - StartOffset;
if (CurText.IsAt (textOffset, "#else")) {
if (!spanStack.Any (s => s is IfBlockSpan || s is ElseIfBlockSpan)) {
base.ScanSpan (ref i);
return;
}
bool previousResult = false;
foreach (Span span in spanStack) {
if (span is IfBlockSpan) {
previousResult = ((IfBlockSpan)span).IsValid;
}
if (span is ElseIfBlockSpan) {
previousResult |= ((ElseIfBlockSpan)span).IsValid;
}
}
// LineSegment line = doc.GetLineByOffset (i);
// int length = line.Offset + line.EditableLength - i;
while (spanStack.Count > 0 && !(CurSpan is IfBlockSpan || CurSpan is ElseIfBlockSpan)) {
spanStack.Pop ();
}
IfBlockSpan ifBlock = CurSpan as IfBlockSpan;
ElseIfBlockSpan elseIfBlock = CurSpan as ElseIfBlockSpan;
ElseBlockSpan elseBlockSpan = new ElseBlockSpan (!previousResult);
if (ifBlock != null) {
elseBlockSpan.Disabled = ifBlock.Disabled;
} else if (elseIfBlock != null) {
elseBlockSpan.Disabled = elseIfBlock.Disabled;
}
FoundSpanBegin (elseBlockSpan, i, "#else".Length);
i += "#else".Length;
// put pre processor eol span on stack, so that '#elif' gets the correct highlight
Span preprocessorSpan = CreatePreprocessorSpan ();
FoundSpanBegin (preprocessorSpan, i, 0);
return;
}
if (CurRule.Name == "<root>" && CurText.IsAt (textOffset, "#if")) {
int length = CurText.Length - textOffset;
string parameter = CurText.Substring (textOffset + 3, length - 3);
ICSharpCode.NRefactory.Parser.CSharp.Lexer lexer = new ICSharpCode.NRefactory.Parser.CSharp.Lexer (new System.IO.StringReader (parameter));
ICSharpCode.NRefactory.Ast.Expression expr = lexer.PPExpression ();
bool result = false;
if (expr != null && !expr.IsNull) {
object o = expr.AcceptVisitor (new ConditinalExpressionEvaluator (doc), null);
if (o is bool)
result = (bool)o;
}
IfBlockSpan ifBlockSpan = new IfBlockSpan (result);
foreach (Span span in spanStack) {
if (span is AbstractBlockSpan) {
AbstractBlockSpan parentBlock = (AbstractBlockSpan)span;
ifBlockSpan.Disabled = parentBlock.Disabled || !parentBlock.IsValid;
break;
}
}
FoundSpanBegin (ifBlockSpan, i, length);
i += length - 1;
return;
}
if (CurText.IsAt (textOffset, "#elif") && spanStack.Any (span => span is IfBlockSpan)) {
LineSegment line = doc.GetLineByOffset (i);
int length = line.Offset + line.EditableLength - i;
string parameter = doc.GetTextAt (i + 5, length - 5);
ICSharpCode.NRefactory.Parser.CSharp.Lexer lexer = new ICSharpCode.NRefactory.Parser.CSharp.Lexer (new System.IO.StringReader (parameter));
ICSharpCode.NRefactory.Ast.Expression expr = lexer.PPExpression ();
bool result = !expr.IsNull ? (bool)expr.AcceptVisitor (new ConditinalExpressionEvaluator (doc), null) : false;
IfBlockSpan containingIf = null;
if (result) {
bool previousResult = false;
foreach (Span span in spanStack) {
if (span is IfBlockSpan) {
containingIf = (IfBlockSpan)span;
previousResult = ((IfBlockSpan)span).IsValid;
break;
}
if (span is ElseIfBlockSpan) {
previousResult |= ((ElseIfBlockSpan)span).IsValid;
}
}
result = !previousResult;
}
ElseIfBlockSpan elseIfBlockSpan = new ElseIfBlockSpan (result);
if (containingIf != null)
elseIfBlockSpan.Disabled = containingIf.Disabled;
FoundSpanBegin (elseIfBlockSpan, i, 0);
// put pre processor eol span on stack, so that '#elif' gets the correct highlight
Span preprocessorSpan = CreatePreprocessorSpan ();
FoundSpanBegin (preprocessorSpan, i, 0);
//i += length - 1;
return;
}
if (CurRule.Name == "<root>" && CurText[textOffset] == '#') {
Span preprocessorSpan = CreatePreprocessorSpan ();
FoundSpanBegin (preprocessorSpan, i, 1);
}
base.ScanSpan (ref i);
}
public override ParsedDocument Parse (ProjectDom dom, string fileName, string content)
{
lock (CompilerCallableEntryPoint.parseLock) {
if (string.IsNullOrEmpty (content))
return null;
List<string> compilerArguments = new List<string> ();
var unit = new MonoDevelop.Projects.Dom.CompilationUnit (fileName);;
var result = new ParsedDocument (fileName);
result.CompilationUnit = unit;
ICSharpCode.NRefactory.Parser.CSharp.Lexer lexer = new ICSharpCode.NRefactory.Parser.CSharp.Lexer (new StringReader (content));
lexer.SpecialCommentTags = ProjectDomService.SpecialCommentTags.GetNames ();
lexer.EvaluateConditionalCompilation = true;
if (dom != null && dom.Project != null && MonoDevelop.Ide.IdeApp.Workspace != null) {
DotNetProjectConfiguration configuration = dom.Project.GetConfiguration (MonoDevelop.Ide.IdeApp.Workspace.ActiveConfiguration) as DotNetProjectConfiguration;
CSharpCompilerParameters par = configuration != null ? configuration.CompilationParameters as CSharpCompilerParameters : null;
if (par != null) {
lexer.SetConditionalCompilationSymbols (par.DefineSymbols);
if (!string.IsNullOrEmpty (par.DefineSymbols)) {
compilerArguments.Add ("-define:" + string.Join (";", par.DefineSymbols.Split (';', ',', ' ', '\t')));
}
if (par.UnsafeCode)
compilerArguments.Add ("-unsafe");
if (par.TreatWarningsAsErrors)
compilerArguments.Add ("-warnaserror");
if (!string.IsNullOrEmpty (par.NoWarnings))
compilerArguments.Add ("-nowarn:"+ string.Join (",", par.NoWarnings.Split (';', ',', ' ', '\t')));
compilerArguments.Add ("-warn:" + par.WarningLevel);
compilerArguments.Add ("-langversion:" + GetLangString (par.LangVersion));
if (par.GenerateOverflowChecks)
compilerArguments.Add ("-checked");
}
}
// compilerArguments.ForEach (arg => Console.WriteLine (arg));
while (lexer.NextToken ().Kind != ICSharpCode.NRefactory.Parser.CSharp.Tokens.EOF)
;
CompilerCompilationUnit top;
ErrorReportPrinter errorReportPrinter = new ErrorReportPrinter ();
using (var stream = new MemoryStream (Encoding.Default.GetBytes (content))) {
top = CompilerCallableEntryPoint.ParseFile (compilerArguments.ToArray (), stream, fileName, errorReportPrinter);
}
if (top == null)
return null;
SpecialTracker tracker = new SpecialTracker (result);
foreach (ICSharpCode.NRefactory.ISpecial special in lexer.SpecialTracker.CurrentSpecials) {
special.AcceptVisitor (tracker, null);
}
// convert DOM
var conversionVisitor = new ConversionVisitor (top.LocationsBag, lexer.SpecialTracker.CurrentSpecials);
conversionVisitor.Dom = dom;
conversionVisitor.Unit = unit;
conversionVisitor.ParsedDocument = result;
top.UsingsBag.Global.Accept (conversionVisitor);
unit.Tag = top;
// parser errors
errorReportPrinter.Errors.ForEach (e => conversionVisitor.ParsedDocument.Add (e));
return result;
}
}
