public static INode snippetParser_Parse(this string code)
{
if(code.notValid())
return null;
var snippetParser = new SnippetParser(SupportedLanguage.CSharp);
return snippetParser.Parse(code);
}
public JsFile GetJsFileFromCodeSnippet(string codeSnippet, SupportedLanguage language)
{
var file = new JsFile();
var snippetParser = new SnippetParser(language);
var jsFile = new JsFile
{
FullPath = string.Empty
};
var parsedNode = snippetParser.Parse(codeSnippet);
if (parsedNode.Children.Count > 0)
{
var visitor = new AstVisitor
{
Model = jsFile
};
parsedNode.AcceptVisitor(visitor, null);
file = visitor.Model;
return file;
}
return null;
}
INode Parse(SupportedLanguage sourceLanguage, string sourceCode, out string error)
{
project = new DefaultProjectContent();
project.ReferencedContents.AddRange(ReferencedContents);
if (sourceLanguage == SupportedLanguage.VBNet) {
project.Language = LanguageProperties.VBNet;
project.DefaultImports = new DefaultUsing(project);
project.DefaultImports.Usings.AddRange(DefaultImportsToAdd);
} else {
project.Language = LanguageProperties.CSharp;
}
SnippetParser parser = new SnippetParser(sourceLanguage);
INode result = parser.Parse(sourceCode);
error = parser.Errors.ErrorOutput;
specials = parser.Specials;
if (parser.Errors.Count != 0)
return null;
wasExpression = parser.SnippetType == SnippetType.Expression;
if (wasExpression) {
// Special case 'Expression': expressions may be replaced with other statements in the AST by the ConvertVisitor,
// but we need to return a 'stable' node so that the correct transformed AST is returned.
// Thus, we wrap any expressions into a statement block.
result = MakeBlockFromExpression((Expression)result);
}
// now create a dummy compilation unit around the snippet result
switch (parser.SnippetType) {
case SnippetType.CompilationUnit:
compilationUnit = (CompilationUnit)result;
break;
case SnippetType.Expression:
case SnippetType.Statements:
compilationUnit = MakeCompilationUnitFromTypeMembers(
MakeMethodFromBlock(
(BlockStatement)result
));
break;
case SnippetType.TypeMembers:
compilationUnit = MakeCompilationUnitFromTypeMembers(result.Children);
break;
default:
throw new NotSupportedException("Unknown snippet type: " + parser.SnippetType);
}
// convert NRefactory CU in DOM CU
NRefactoryASTConvertVisitor visitor = new NRefactoryASTConvertVisitor(project);
visitor.VisitCompilationUnit(compilationUnit, null);
visitor.Cu.FileName = sourceLanguage == SupportedLanguage.CSharp ? "a.cs" : "a.vb";
// and register the compilation unit in the DOM
foreach (IClass c in visitor.Cu.Classes) {
project.AddClassToNamespaceList(c);
}
parseInfo = new ParseInformation();
parseInfo.SetCompilationUnit(visitor.Cu);
return result;
}
public static string ast_CSharp_CreateCompilableClass(this string codeSnippet)
{
var snippetParser = new SnippetParser(SupportedLanguage.CSharp);
var iNode = snippetParser.Parse(codeSnippet);
return iNode.cast<BlockStatement>()
.ast_CSharp_CreateCompilableClass(snippetParser, codeSnippet);
}
INode Parse(SupportedLanguage sourceLanguage, string sourceCode, out string error)
{
project = new DefaultProjectContent();
project.ReferencedContents.AddRange(ReferencedContents);
if (sourceLanguage == SupportedLanguage.VBNet) {
project.DefaultImports = new DefaultUsing(project);
project.DefaultImports.Usings.AddRange(DefaultImportsToAdd);
}
SnippetParser parser = new SnippetParser(sourceLanguage);
INode result = parser.Parse(sourceCode);
error = parser.Errors.ErrorOutput;
specials = parser.Specials;
if (parser.Errors.Count != 0)
return null;
// now create a dummy compilation unit around the snippet result
switch (parser.SnippetType) {
case SnippetType.CompilationUnit:
compilationUnit = (CompilationUnit)result;
break;
case SnippetType.Expression:
compilationUnit = MakeCompilationUnitFromTypeMembers(
MakeMethodFromBlock(
MakeBlockFromExpression(
(Expression)result
)));
break;
case SnippetType.Statements:
compilationUnit = MakeCompilationUnitFromTypeMembers(
MakeMethodFromBlock(
(BlockStatement)result
));
break;
case SnippetType.TypeMembers:
compilationUnit = MakeCompilationUnitFromTypeMembers(result.Children);
break;
default:
throw new NotSupportedException("Unknown snippet type: " + parser.SnippetType);
}
// convert NRefactory CU in DOM CU
NRefactoryASTConvertVisitor visitor = new NRefactoryASTConvertVisitor(project);
visitor.VisitCompilationUnit(compilationUnit, null);
visitor.Cu.FileName = sourceLanguage == SupportedLanguage.CSharp ? "a.cs" : "a.vb";
// and register the compilation unit in the DOM
foreach (IClass c in visitor.Cu.Classes) {
project.AddClassToNamespaceList(c);
}
parseInfo = new ParseInformation();
parseInfo.SetCompilationUnit(visitor.Cu);
return result;
}
public static string ast_CSharp_CreateCompilableClass(this BlockStatement blockStatement, SnippetParser snippetParser, string codeSnippet)
{
if (blockStatement.isNull() || snippetParser.isNull() || codeSnippet.notValid())
return null;
var compilerOptions = new CSharp_FastCompiler_CompilerOptions ();
var compilerArtifacts = new CSharp_FastCompiler_CompilerArtifacts();
var executionOptions = new CSharp_FastCompiler_ExecutionOptions ();
var csharpCode = blockStatement.ast_CSharp_CreateCompilableClass(snippetParser, codeSnippet,
compilerOptions, compilerArtifacts, executionOptions);
return csharpCode;
}
public static string ast_CSharp_CreateCompilableClass(this BlockStatement blockStatement, SnippetParser snippetParser, string codeSnippet,
CSharp_FastCompiler_CompilerOptions compilerOptions,
CSharp_FastCompiler_CompilerArtifacts compilerArtifacts,
CSharp_FastCompiler_ExecutionOptions executionOptions)
{
if (blockStatement.isNull() || compilerOptions.isNull())
return null;
var compilationUnit= compilerArtifacts.CompilationUnit = new CompilationUnit();
compilationUnit.add_Type(compilerOptions.default_TypeName)
.add_Method(compilerOptions.default_MethodName, executionOptions.InvocationParameters,
compilerOptions.ResolveInvocationParametersType, blockStatement);
// remove comments from parsed code
var astCSharp = compilerArtifacts.AstCSharp = new Ast_CSharp(compilerArtifacts.CompilationUnit, snippetParser.Specials);
// add references included in the original source code file
compilerArtifacts.AstCSharp.mapCodeO2References(compilerOptions);
astCSharp.mapAstDetails();
astCSharp.ExtraSpecials.Clear();
var method = compilationUnit.method(compilerOptions.default_MethodName);
var returntype = method.returnType();
var type = compilationUnit.type(compilerOptions.default_TypeName);
type.Children.Clear();
var tempBlockStatement = new BlockStatement();
tempBlockStatement.add_Variable("a", 0);
method.Body = tempBlockStatement;
var newMethod = type.add_Method(compilerOptions.default_MethodName, executionOptions.InvocationParameters,
compilerOptions.ResolveInvocationParametersType, tempBlockStatement);
newMethod.TypeReference = returntype;
if(blockStatement.returnStatements().size() >1)
astCSharp.methodDeclarations().first().remove_LastReturnStatement();
astCSharp.mapAstDetails();
var codeToReplace = "Int32 a = 0;";
var csharpCode = astCSharp.AstDetails.CSharpCode
.replace("\t\t{0}".format(codeToReplace), codeToReplace) // remove tabs
.replace("Int32 a = 0;", codeSnippet); // put the actual code (this should be done via AST, but it was affectting code complete)
return csharpCode;
}
/// <returns> Returned value or null for statements </returns>
public static Value Evaluate(string code, SupportedLanguage language, StackFrame context)
{
SnippetParser parser = new SnippetParser(language);
INode astRoot = parser.Parse(code);
if (parser.SnippetType == SnippetType.Expression ||
parser.SnippetType == SnippetType.Statements) {
if (parser.Errors.Count > 0) {
throw new GetValueException(parser.Errors.ErrorOutput);
}
try {
EvaluateAstVisitor visitor = new EvaluateAstVisitor(context);
return astRoot.AcceptVisitor(visitor, null) as Value;
} catch (NotImplementedException e) {
throw new GetValueException("Language feature not implemented: " + e.Message);
}
}
throw new GetValueException("Code must be expression or statement");
}
//this code needs to be completely rewritten
public string tryToCreateCSharpCodeWith_Class_Method_WithMethodText(string code)
{
if (code.empty())
return null;
code = code.line(); // make sure there is an empty line at the end
try
{
//handle special incudes in source code
var lines = code.fix_CRLF().lines();
foreach (var originalLine in lines)
{
string line = originalLine;
originalLine.starts("//O2Include:", (includeText) =>
{
var file = includeText;
var baseFile = SourceCodeFile ?? PublicDI.CurrentScript;
var parentFolder = baseFile.parentFolder();
if (parentFolder.notValid())
"[CSharpFastCompiled] in O2Include mapping, could not get parent folder of current script".error();
var resolvedFile = CompileEngine.findFileOnLocalScriptFolder(file,parentFolder);
if (resolvedFile.fileExists())
{
var fileContents = resolvedFile.contents();
code = code.Replace(line, line.line().add(fileContents).line());
}
else
"[CSharpFastCompiled] in O2Include mapping, could not a mapping for: {0}".error(includeText);
});
}
var snippetParser = new SnippetParser(SupportedLanguage.CSharp);
var parsedCode = snippetParser.Parse(code);
AstErrors = snippetParser.errors();
CompilationUnit = new CompilationUnit();
if (parsedCode is BlockStatement || parsedCode is CompilationUnit)
{
Ast_CSharp astCSharp;
if (parsedCode is BlockStatement)
{
// map parsedCode into a new type and method
var blockStatement = (BlockStatement)parsedCode;
CompilationUnit.add_Type(default_TypeName)
.add_Method(default_MethodName, InvocationParameters, this.ResolveInvocationParametersType, blockStatement);
// remove comments from parsed code
astCSharp = new Ast_CSharp(CompilationUnit, snippetParser.Specials);
// add references included in the original source code file
mapCodeO2References(astCSharp);
astCSharp.mapAstDetails();
astCSharp.ExtraSpecials.Clear();
var method = CompilationUnit.method(default_MethodName);
var returntype = method.returnType();
var type = CompilationUnit.type(default_TypeName);
type.Children.Clear();
var tempBlockStatement = new BlockStatement();
tempBlockStatement.add_Variable("a", 0);
method.Body = tempBlockStatement;
var newMethod = type.add_Method(default_MethodName, InvocationParameters, this.ResolveInvocationParametersType, tempBlockStatement);
newMethod.TypeReference = returntype;
astCSharp.mapAstDetails();
var csharpCode = astCSharp.AstDetails.CSharpCode
.replace("Int32 a = 0;", code);
AstDetails = new Ast_CSharp(csharpCode).AstDetails;
CreatedFromSnipptet = true;
DebugMode.ifDebug("Ast parsing was OK");
SourceCode = csharpCode;
onAstOK.invoke();
return csharpCode;
}
CompilationUnit = (CompilationUnit)parsedCode;
if (CompilationUnit.Children.Count == 0)
return null;
astCSharp = new Ast_CSharp(CompilationUnit, snippetParser.Specials);
// add the comments from the original code
mapCodeO2References(astCSharp);
CreatedFromSnipptet = false;
// create sourceCode using Ast_CSharp & AstDetails
if(CompilationUnit.Children.Count > 0)
{
// reset the astCSharp.AstDetails object
astCSharp.mapAstDetails();
// add the comments from the original code
astCSharp.ExtraSpecials.AddRange(snippetParser.Specials);
SourceCode = astCSharp.AstDetails.CSharpCode;
//once we have the created SourceCode we need to create a new AST with it
var tempAstDetails = new Ast_CSharp(SourceCode).AstDetails;
//note we should try to add back the specials here (so that comments make it to the generated code
AstDetails = tempAstDetails;
DebugMode.ifDebug("Ast parsing was OK");
onAstOK.invoke();
return SourceCode;
}
}
}
catch (Exception ex)
{
DebugMode.ifError("in createCSharpCodeWith_Class_Method_WithMethodText:{0}", ex.Message);
}
return null;
}
public string tryToCreateCSharpCodeWith_Class_Method_WithMethodText(string code)
{
if (code.empty())
return null;
code = code.line(); // make sure there is an empty line at the end
try
{
// handle special incudes in source code
foreach(var originalLine in code.lines())
originalLine.starts("//include", (includeText) =>
{
if (includeText.fileExists())
code = code.Replace(originalLine, originalLine.line().add(includeText.contents()));
});
var snippetParser = new SnippetParser(SupportedLanguage.CSharp);
var parsedCode = snippetParser.Parse(code);
AstErrors = snippetParser.errors();
CompilationUnit = new CompilationUnit();
if (parsedCode is BlockStatement || parsedCode is CompilationUnit)
{
Ast_CSharp astCSharp;
if (parsedCode is BlockStatement)
{
// map parsedCode into a new type and method
var blockStatement = (BlockStatement)parsedCode;
CompilationUnit.add_Type(default_TypeName)
.add_Method(default_MethodName, InvocationParameters, blockStatement);
astCSharp = new Ast_CSharp(CompilationUnit, snippetParser.Specials);
//astCSharp.AstDetails.mapSpecials();
// add references included in the original source code file
mapCodeO2References(astCSharp);
CreatedFromSnipptet = true;
}
else
{
CompilationUnit = (CompilationUnit)parsedCode;
if (CompilationUnit.Children.Count == 0)
return null;
astCSharp = new Ast_CSharp(CompilationUnit, snippetParser.Specials);
// add the comments from the original code
mapCodeO2References(astCSharp);
CreatedFromSnipptet = false;
}
// create sourceCode using Ast_CSharp & AstDetails
if(CompilationUnit.Children.Count > 0)
{
// reset the astCSharp.AstDetails object
astCSharp.mapAstDetails();
// add the comments from the original code
astCSharp.ExtraSpecials.AddRange(snippetParser.Specials);
SourceCode = astCSharp.AstDetails.CSharpCode;
//once we have the created SourceCode we need to create a new AST with it
var tempAstDetails = new Ast_CSharp(SourceCode).AstDetails;
//note we should try to add back the specials here (so that comments make it to the generated code
AstDetails = tempAstDetails;
DebugMode.ifDebug("Ast parsing was OK");
this.invoke(onAstOK);
return SourceCode;
}
}
}
catch (Exception ex)
{
DebugMode.ifError("in createCSharpCodeWith_Class_Method_WithMethodText:{0}", ex.Message);
}
return null;
}
///
/// <summary>
/// Returns a compilable C# file from and Snippet
///
/// Dev Note:this code needs to be refactored (since it is too big and complex)
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
public string tryToCreateCSharpCodeWith_Class_Method_WithMethodText(string code)
{
if (code.empty())
return null;
code = code.line(); // make sure there is an empty line at the end
try
{
//handle special incudes in source code
var lines = code.fix_CRLF().lines();
foreach (var originalLine in lines)
{
var line = originalLine;
if(originalLine.starts("//O2Include:"))
{
var includeText = line.subString_After("//O2Include:");
var file = includeText;
var baseFile = CompilerOptions.SourceCodeFile ?? PublicDI.CurrentScript;
var parentFolder = baseFile.parentFolder();
if (parentFolder.notValid())
"[CSharpFastCompiled] in O2Include mapping, could not get parent folder of current script".error();
var resolvedFile = CompileEngine.findFileOnLocalScriptFolder(file,parentFolder);
if (resolvedFile.fileExists())
{
var fileContents = resolvedFile.contents();
code = code.Replace(line, line.line().add(fileContents).line());
}
else
"[CSharpFastCompiled] in O2Include mapping, could not a mapping for: {0}".error(includeText);
};
}
var snippetParser = new SnippetParser(SupportedLanguage.CSharp);
var parsedCode = snippetParser.Parse(code);
this.astErrors(snippetParser.errors());
this.compilationUnit(new CompilationUnit());
if (parsedCode is BlockStatement || parsedCode is CompilationUnit)
{
Ast_CSharp astCSharp;
if (parsedCode is BlockStatement)
{
// map parsedCode into a new type and method
var blockStatement = (BlockStatement)parsedCode;
var csharpCode = blockStatement.ast_CSharp_CreateCompilableClass(snippetParser, code,
CompilerOptions, CompilerArtifacts, ExecutionOptions);
this.astDetails(new Ast_CSharp(csharpCode).AstDetails);
this.createdFromSnippet(true);
DebugMode.ifDebug("Ast parsing was OK");
this.sourceCode(csharpCode);
this.raise_OnAstOK();
return csharpCode;
}
this.compilationUnit((CompilationUnit)parsedCode);
if (this.compilationUnit().Children.Count == 0)
return null;
astCSharp = new Ast_CSharp(this.compilationUnit(), snippetParser.Specials);
// add the comments from the original code
astCSharp.mapCodeO2References(CompilerOptions);
this.createdFromSnippet(false);
// create sourceCode using Ast_CSharp & AstDetails
if(this.compilationUnit().Children.Count > 0)
{
// reset the astCSharp.AstDetails object
astCSharp.mapAstDetails();
// add the comments from the original code
astCSharp.ExtraSpecials.AddRange(snippetParser.Specials);
this.sourceCode(astCSharp.AstDetails.CSharpCode);
//once we have the created SourceCode we need to create a new AST with it
var tempAstDetails = new Ast_CSharp(this.sourceCode()).AstDetails;
//note we should try to add back the specials here (so that comments make it to the generated code
this.astDetails(tempAstDetails);
DebugMode.ifDebug("Ast parsing was OK");
this.raise_OnAstOK();
return this.sourceCode();
}
}
}
catch (Exception ex)
{
DebugMode.ifError("in createCSharpCodeWith_Class_Method_WithMethodText:{0}", ex.Message);
}
return null;
}
