// add parentheses to calls that do not have them
public override void EnterICS_B_MemberProcedureCall([NotNull] VBAParser.ICS_B_MemberProcedureCallContext context)
{
if (!context.argsCall().IsEmpty)
{
Rewriter.InsertBefore(context.argsCall().Start, "(");
Rewriter.InsertAfter(context.argsCall().Stop, ")");
}
}
// we add initialization Sub for the current Structure
public override void ExitTypeStmt([NotNull] VBAParser.TypeStmtContext context)
{
var currentType = Types.Pop();
if (InitStructures.ContainsKey(currentType) && InitStructures[currentType].Text.Length > 0)
{
Rewriter.InsertBefore(context.Stop, InitStructures[currentType].Text);
StructuresWithInitializer.Add(currentType);
}
else
{
InitStructures.Remove(currentType);
}
}
// transform a Type in a Structure
public override void EnterTypeStmt(VBAParser.TypeStmtContext context)
{
var typeName = context.ambiguousIdentifier().GetText();
Types.Push(typeName);
InitStructures.Add(typeName, new StructureInitializer(typeName));
Rewriter.Replace(context.TYPE().Symbol, "Structure");
Rewriter.Replace(context.END_TYPE().Symbol, "End Structure");
string visibility = context.visibility().GetText();
foreach (var st in context.typeStmt_Element())
{
Rewriter.InsertBefore(st.Start, $"{visibility} ");
}
}
// wrap the VBA code with a Module
public override void ExitStartRule(VBAParser.StartRuleContext context)
{
// if an option is present it must before everything else
// therefore we have to check where to put the module start
var baseText = $"Imports System {Environment.NewLine}{Environment.NewLine}Imports Microsoft.VisualBasic{Environment.NewLine}Imports System.Math{Environment.NewLine}Imports System.Linq{Environment.NewLine}Imports System.Collections.Generic{Environment.NewLine}{Environment.NewLine}Module {FileName}{Environment.NewLine}";
if (TokenImport != null)
{
// add imports and module
Rewriter.InsertAfter(TokenImport, $"{Environment.NewLine}{baseText}");
}
else
{
// add imports and module
Rewriter.InsertBefore(context.Start, baseText);
}
Rewriter.InsertAfter(context.Stop.StopIndex, $"{Environment.NewLine}End Module");
}
// we search for the Main Sub
public override void EnterSubStmt([NotNull] VBAParser.SubStmtContext context)
{
if (context.ambiguousIdentifier().GetText().Trim() == "Main_Run" ||
context.ambiguousIdentifier().GetText().Trim() == "Main_Sub" ||
context.ambiguousIdentifier().GetText().Trim() == "Main")
{
MainFile = true;
Rewriter.Replace(context.ambiguousIdentifier().Start, "Main");
// Some function of VB.Net are culture-aware,
// this means, for instance, that when parsing a double from a
// string it searchs for the proper-culture decimal separator (e.g, ',' or '.'). So, we set a culture that ensure
// that VB.Net uses a decimal separator '.'
Rewriter.InsertBefore(context.block().Start, $"{Environment.NewLine}Dim sw As System.Diagnostics.Stopwatch = System.Diagnostics.Stopwatch.StartNew(){Environment.NewLine}");
Rewriter.InsertBefore(context.block().Start, $"{Environment.NewLine}System.Globalization.CultureInfo.CurrentCulture = System.Globalization.CultureInfo.InvariantCulture{Environment.NewLine}");
// make the program wait at the end
Rewriter.InsertBefore(context.block().Stop, $"{Environment.NewLine}Console.WriteLine(\"Press any key to exit the program\"){Environment.NewLine}Console.ReadKey(){Environment.NewLine}");
Rewriter.InsertBefore(context.block().Stop, $"{Environment.NewLine}sw.Stop(){Environment.NewLine}Console.WriteLine($\"Time elapsed {{sw.Elapsed}}\"){Environment.NewLine}");
}
}
public override object VisitConstructor_declaration(
[NotNull] CSharpParser.Constructor_declarationContext context)
{
if (GetCurrentNamespace() == _breadcrumbNamespace && GetCurrentClass() == _breadcrumbDeclaration.Identifier)
{
_hasBreadcrumbConstructor = true;
var preCtorWhitespace = Tokens.GetHiddenTokensToLeft(context.Start.TokenIndex, Lexer.Hidden);
int tabLevels = 1 + ((preCtorWhitespace?.Count ?? 0) > 0 ?
_stringUtilService.CalculateTabLevels(preCtorWhitespace[0]?.Text ?? string.Empty, _tabString) : 0);
var fixedParams = context?.constructor_declarator()?.formal_parameter_list()?.fixed_parameters()
?.fixed_parameter();
if (fixedParams != null)
{
foreach (var fixedParam in fixedParams)
{
var paramName = $"{fixedParam.type_().GetText()} {fixedParam.identifier().GetText()}";
if (_ctorParamDict.ContainsKey(paramName))
{
_ctorParamDict.Remove(paramName);
}
}
}
var ctorStatements = context?.constructor_body()?.block()?.statement_list();
if (ctorStatements != null)
{
foreach (var statement in ctorStatements.statement())
{
var minStatement = _cSharpParserService.GetTextWithWhitespaceMinified(Tokens, statement);
if (_ctorAssignmentDict.ContainsKey(minStatement))
{
_ctorAssignmentDict.Remove(minStatement);
}
}
}
if (_ctorParamDict.Keys.Count > 0)
{
// add params
var ctorParams = _ctorParamDict.Values.ToList();
var formalParamList = context?.constructor_declarator()?.formal_parameter_list();
var finalFixedParam = context?.constructor_declarator()
?.formal_parameter_list()
?.fixed_parameters()
?.fixed_parameter()
?.Last();
int fixedParamStopIndex = finalFixedParam?.Stop?.TokenIndex
?? context.constructor_declarator().OPEN_PARENS().Symbol.TokenIndex;
var paramStringBuilder = new StringBuilder();
if (finalFixedParam != null)
{
var preFinalParamWhitespace = Tokens.GetHiddenTokensToLeft(
finalFixedParam?.Start?.TokenIndex ?? -1, Lexer.Hidden);
int finalParamtabs = (preFinalParamWhitespace?.Count ?? 0) > 0 ?
_stringUtilService.CalculateTabLevels(preFinalParamWhitespace[0]?.Text ?? string.Empty, _tabString) : 0;
if (finalParamtabs > 0)
{
paramStringBuilder.Append(_cSharpParserService.GenerateFixedParameters(
ctorParams,
tabLevels,
_tabString));
if (formalParamList?.parameter_array() != null)
{
var preParamArrayWhitespaceArray = Tokens.GetHiddenTokensToLeft(
formalParamList.parameter_array().Start.TokenIndex, Lexer.Hidden);
string preParamArrayWhitespace =
preParamArrayWhitespaceArray.Count > 0 ?
preParamArrayWhitespaceArray[0].Text : string.Empty;
if (!Regex.IsMatch(preParamArrayWhitespace, @"\r?\n"))
{
IsModified = true;
Rewriter.InsertBefore(
formalParamList.parameter_array().Start.TokenIndex,
"\r\n" +
_stringUtilService.TabString(string.Empty, finalParamtabs, _tabString));
}
}
}
else
{
paramStringBuilder.Append(_cSharpParserService.GenerateFixedParameters(
ctorParams,
tabLevels,
_tabString,
false,
true));
}
}
else
{
paramStringBuilder.Append(_cSharpParserService.GenerateFixedParameters(
ctorParams,
tabLevels,
_tabString,
true));
if (formalParamList?.parameter_array() != null)
{
var preParamArrayWhitespaceArray = Tokens.GetHiddenTokensToLeft(
formalParamList.parameter_array().Start.TokenIndex, Lexer.Hidden);
string preParamArrayWhitespace =
preParamArrayWhitespaceArray.Count > 0 ?
preParamArrayWhitespaceArray[0].Text : string.Empty;
if (!Regex.IsMatch(preParamArrayWhitespace, $"\r?\n"))
{
IsModified = true;
Rewriter.InsertBefore(
formalParamList.parameter_array().Start.TokenIndex,
"\r\n" + _stringUtilService.TabString(string.Empty, tabLevels, _tabString));
}
}
}
var paramString = paramStringBuilder.ToString();
if (paramString.Length > 0)
{
IsModified = true;
Rewriter.InsertAfter(fixedParamStopIndex, paramString);
}
}
if (_ctorAssignmentDict.Keys.Count > 0)
{
var ctorAssignments = _ctorAssignmentDict.Values.ToList();
var assignmentsString = _cSharpParserService.GenerateSimpleAssignments(
ctorAssignments,
tabLevels,
_tabString);
var constructorBody = context?.constructor_body();
if (constructorBody.SEMICOLON() != null)
{
var conBodyBuilder = new StringBuilder();
conBodyBuilder.Append("\r\n");
conBodyBuilder.Append(_stringUtilService.TabString("{", tabLevels - 1, _tabString));
conBodyBuilder.Append(assignmentsString);
conBodyBuilder.Append("\r\n");
conBodyBuilder.Append(_stringUtilService.TabString("}", tabLevels - 1, _tabString));
IsModified = true;
Rewriter.Replace(constructorBody.SEMICOLON().Symbol.TokenIndex, conBodyBuilder.ToString());
}
else
{
var block = constructorBody.block();
int?finalAssignment = block.statement_list()?.statement()?.Last()?.Stop?.TokenIndex;
int assignmentStopIndex = finalAssignment
?? block.OPEN_BRACE().Symbol.TokenIndex;
var assignmentStringBuilder = new StringBuilder();
assignmentStringBuilder.Append(assignmentsString);
var postAssignmentStopWhitespaceArray = Tokens.GetHiddenTokensToRight(
assignmentStopIndex, Lexer.Hidden);
string postAssignmentStopWhitespace =
postAssignmentStopWhitespaceArray.Count > 0 ?
postAssignmentStopWhitespaceArray[0].Text : string.Empty;
if (!Regex.IsMatch(postAssignmentStopWhitespace, @"\r?\n"))
{
assignmentStringBuilder.Append("\r\n");
}
var assignmentString = assignmentStringBuilder.ToString();
if (assignmentString.Length > 0)
{
IsModified = true;
Rewriter.InsertAfter(assignmentStopIndex, assignmentString);
}
}
}
}
VisitChildren(context);
return(null);
}
public override object VisitClass_declaration([NotNull] CSharpParser.Class_declarationContext context)
{
var currentNamespace = string.Join(".", _currentNamespace.ToArray().Reverse());
if (context.identifier().GetText() == _constructorClassName &&
currentNamespace == _constructorClassNamespace)
{
_isConstructorClassFound = true;
var preclassWhitespace = Tokens.GetHiddenTokensToLeft(context.Start.TokenIndex, Lexer.Hidden);
int classBodyTabLevels = 1 + ((preclassWhitespace?.Count ?? 0) > 0 ?
_stringUtilService.CalculateTabLevels(preclassWhitespace[0]?.Text ?? string.Empty, _tabString) : 0);
int ctorBodyTabLevels = classBodyTabLevels + 1;
int?finalConstantOrField = null;
int?finalField = null;
int?finalProperty = null;
CSharpParser.Constructor_declarationContext constructorContext = null;
bool hasServiceField = false;
bool hasCtorParam = false;
bool hasCtorAssignment = false;
var members = context?.class_body()?.class_member_declarations()?.class_member_declaration();
if (members != null)
{
foreach (var member in members)
{
if (member.constant_declaration() != null)
{
finalConstantOrField = member.constant_declaration().Stop.TokenIndex;
}
else if (member.field_declaration() != null)
{
var fieldDec = member.field_declaration();
finalField = fieldDec.Stop.TokenIndex;
finalConstantOrField = fieldDec.Stop.TokenIndex;
if (fieldDec.type_().GetText() == _serviceInterfaceType)
{
foreach (var varDec in fieldDec.variable_declarators().variable_declarator())
{
if (varDec.identifier().GetText() ==
$"_{_serviceIdentifier}")
{
hasServiceField = true;
break;
}
}
}
}
else if (member.property_declaration() != null)
{
finalProperty = member.property_declaration().Stop.TokenIndex;
}
else if (member.constructor_declaration() != null)
{
constructorContext ??= member.constructor_declaration();
}
}
}
int fieldStopIndex = finalField
?? finalConstantOrField
?? context.class_body().OPEN_BRACE().Symbol.TokenIndex;
int?constructorStopIndex = null;
var fieldStringBuilder = new StringBuilder();
StringBuilder constructorStringBuilder = null;
if (!hasServiceField)
{
fieldStringBuilder.Append(_cSharpParserService.GenerateFieldDeclaration(
_fieldDeclaration,
classBodyTabLevels,
_tabString));
}
if (constructorContext is null)
{
constructorStopIndex = finalProperty
?? finalConstantOrField
?? fieldStopIndex;
constructorStringBuilder = constructorStopIndex == fieldStopIndex
? fieldStringBuilder : new StringBuilder();
constructorStringBuilder.Append(
_cSharpParserService.GenerateConstructorDeclaration(
_constructorDeclaration,
classBodyTabLevels,
_tabString));
}
else
{
CSharpParser.Fixed_parameterContext finalFixedParam = null;
var formalParamList = constructorContext?.constructor_declarator()?.formal_parameter_list();
if (formalParamList != null)
{
var fixedParams = formalParamList.fixed_parameters();
if (fixedParams != null)
{
foreach (var fixedParam in fixedParams.fixed_parameter())
{
if (fixedParam.type_().GetText() == _serviceInterfaceType &&
fixedParam.identifier().GetText() == _serviceIdentifier)
{
hasCtorParam = true;
break;
}
}
finalFixedParam = fixedParams.fixed_parameter().Last();
}
}
if (!hasCtorParam)
{
var ctorParam = _cSharpCommonStgService.RenderFixedParameter(_constructorParameter);
int fixedParamStopIndex = finalFixedParam?.Stop?.TokenIndex
?? constructorContext.constructor_declarator().OPEN_PARENS().Symbol.TokenIndex;
var paramStringBuilder = new StringBuilder();
if (finalFixedParam != null)
{
var preFinalParamWhitespace = Tokens.GetHiddenTokensToLeft(
finalFixedParam?.Start?.TokenIndex ?? -1, Lexer.Hidden);
int finalParamtabs = (preFinalParamWhitespace?.Count ?? 0) > 0 ?
_stringUtilService.CalculateTabLevels(
preFinalParamWhitespace?[0]?.Text ?? string.Empty, _tabString) : 0;
if (finalParamtabs > 0)
{
paramStringBuilder.Append(",\r\n");
paramStringBuilder.Append(_stringUtilService.TabString(
ctorParam,
finalParamtabs,
_tabString));
if (formalParamList?.parameter_array() != null)
{
var preParamArrayWhitespaceArray = Tokens.GetHiddenTokensToLeft(
formalParamList.parameter_array().Start.TokenIndex, Lexer.Hidden);
string preParamArrayWhitespace =
preParamArrayWhitespaceArray.Count > 0 ?
preParamArrayWhitespaceArray[0].Text : string.Empty;
if (!Regex.IsMatch(preParamArrayWhitespace, @"\r?\n"))
{
_isRewritten = true;
Rewriter.InsertBefore(
formalParamList.parameter_array().Start.TokenIndex,
"\r\n" +
_stringUtilService.TabString(string.Empty, finalParamtabs, _tabString));
}
}
}
else
{
paramStringBuilder.Append(", ");
paramStringBuilder.Append(ctorParam);
}
}
else
{
paramStringBuilder.Append("\r\n");
paramStringBuilder.Append(
_stringUtilService.TabString(ctorParam, ctorBodyTabLevels, _tabString));
if (formalParamList?.parameter_array() != null)
{
var preParamArrayWhitespaceArray = Tokens.GetHiddenTokensToLeft(
formalParamList.parameter_array().Start.TokenIndex, Lexer.Hidden);
string preParamArrayWhitespace =
preParamArrayWhitespaceArray.Count > 0 ?
preParamArrayWhitespaceArray[0].Text : string.Empty;
if (!Regex.IsMatch(preParamArrayWhitespace, $"\r?\n"))
{
_isRewritten = true;
Rewriter.InsertBefore(
formalParamList.parameter_array().Start.TokenIndex,
"\r\n" +
_stringUtilService.TabString(string.Empty, ctorBodyTabLevels, _tabString));
}
}
}
var paramString = paramStringBuilder.ToString();
if (paramString.Length > 0)
{
_isRewritten = true;
Rewriter.InsertAfter(fixedParamStopIndex, paramString);
}
}
string ctorAssignString = _cSharpCommonStgService.RenderSimpleAssignment(_constructorAssignment);
var constructorBody = constructorContext?.constructor_body();
if (constructorBody.SEMICOLON() != null)
{
_isRewritten = true;
Rewriter.Replace(constructorBody.SEMICOLON().Symbol.TokenIndex, _stringUtilService.TabString(
$@"\r\n{{\r\n{_tabString}{ctorAssignString}\r\n}}",
classBodyTabLevels,
_tabString));
}
else
{
var block = constructorBody.block();
var statementList = block?.statement_list()?.GetText();
if (statementList != null)
{
var assignmentMatchString =
$@"[\s;{{]_{_serviceIdentifier}\s*=\s*{_serviceIdentifier}\s*;";
hasCtorAssignment = Regex.Match(statementList, assignmentMatchString).Success;
}
if (!hasCtorAssignment)
{
int?finalAssignment = block.statement_list().statement().Last().Stop.TokenIndex;
int assignmentStopIndex = finalAssignment
?? block.OPEN_BRACE().Symbol.TokenIndex;
var assignmentStringBuilder = new StringBuilder();
assignmentStringBuilder.Append("\r\n");
assignmentStringBuilder.Append(_stringUtilService.TabString(
ctorAssignString, ctorBodyTabLevels, _tabString));
var postAssignmentStopWhitespaceArray = Tokens.GetHiddenTokensToRight(
assignmentStopIndex, Lexer.Hidden);
string postAssignmentStopWhitespace =
postAssignmentStopWhitespaceArray.Count > 0 ?
postAssignmentStopWhitespaceArray[0].Text : string.Empty;
if (!Regex.IsMatch(postAssignmentStopWhitespace, @"\r?\n"))
{
assignmentStringBuilder.Append("\r\n");
}
var assignmentString = assignmentStringBuilder.ToString();
if (assignmentString.Length > 0)
{
_isRewritten = true;
Rewriter.InsertAfter(assignmentStopIndex, assignmentString);
}
}
}
}
var fieldString = fieldStringBuilder.ToString();
if (fieldString.Length > 0)
{
_isRewritten = true;
Rewriter.InsertAfter(fieldStopIndex, fieldString);
}
if (constructorStringBuilder != null &&
constructorStopIndex != fieldStopIndex)
{
var constructorString = constructorStringBuilder.ToString();
if (constructorString.Length > 0)
{
_isRewritten = true;
Rewriter.InsertAfter(Tokens.Get(constructorStopIndex ?? -1), constructorString);
}
}
}
VisitChildren(context);
return(null);
}
public override object VisitClass_member_declaration([NotNull] CSharpParser.Class_member_declarationContext context)
{
var method = context?.method_declaration();
// Find method "public void ConfigureServices(IServiceCollection services)"
if (method != null &&
method.method_header().member_name().identifier().GetText() == "ConfigureServices" &&
string.Join(".", _currentClass.ToArray().Reverse()) == "Startup" &&
string.Join(".", _currentNamespace.ToArray().Reverse()) == _rootNamespace
)
{
_isFoundConfigureServices = true;
var paramList = method?.method_header()?.formal_parameter_list()?.fixed_parameters()?.fixed_parameter();
if (paramList is null)
{
// throw
}
// Get name of IServiceCollection parameter (services)
string serviceCollectionName = null;
foreach (var param in paramList)
{
if (param.type_().GetText() == nameof(IServiceCollection))
{
serviceCollectionName = param.identifier().GetText();
break;
}
}
if (serviceCollectionName is null)
{
// throw
}
// Check each services.Add[Lifespan] method in the form
// If TypeParameters: services.AddScoped(typeof(IMyService<>), typeof(MyService<>));
// Else: services.AddScoped<IMyService, MyService>();
// If found and Lifespan in services.Add[Lifespan] == Service.Lifespan:
// No action taken
// Else if found and Lifespan in services.Add[Lifespan] != Service.Lifespan:
// Replace Add[Lifespan] with Add[Service.Lifespan] in token stream
// Else:
// Create StringTemplate for services.Add[Lifespan] statement
// If TypeParameters: services.AddScoped(typeof(IMyService<>), typeof(MyService<>));
// Else: services.AddScoped<IMyService, MyService>();
// Use rewriter to insert services.Add[Lifespan] into token stream
// Write parse tree as string to Startup.cs
var missingRegInfo = new List <StartupRegistrationInfo>();
var body = _cSharpParserService.GetTextWithWhitespace(Tokens, method.method_body());
foreach (var regInfo in _startupRegInfoList)
{
if (!Regex.Match(body, ServiceRegistrationMatchString(regInfo)).Success)
{
missingRegInfo.Add(regInfo);
}
}
if (missingRegInfo.Count > 0)
{
if (method?.method_body()?.block() is null)
{
// throw
}
else
{
var closeBranceIndex = method.method_body().block().CLOSE_BRACE().Symbol.TokenIndex;
var preclassWhitespace = Tokens.GetHiddenTokensToLeft(closeBranceIndex, Lexer.Hidden);
int tabLevels = (preclassWhitespace?.Count ?? 0) > 0 ?
_stringUtilService.CalculateTabLevels(preclassWhitespace[0]?.Text ?? string.Empty, _tabString) : 0;
var regCallStrings = new List <string>();
foreach (var regInfo in missingRegInfo)
{
var regCallString = _serviceCommandStgService.RenderServiceStartupRegistrationCall(
serviceClassType: regInfo.ServiceClassType,
serviceBaseType: regInfo.ServiceBaseType,
hasTypeParameters: regInfo.HasTypeParameters,
serviceLifespan: regInfo.ServiceLifespan.ToString());
regCallStrings.Add(serviceCollectionName + regCallString + ";");
}
var registrationStatement =
"\r\n" +
_stringUtilService.TabString(
string.Join("\r\n", regCallStrings), tabLevels + 1, _tabString) +
"\r\n" +
_stringUtilService.TabString(string.Empty, tabLevels, _tabString);
IsModified = true;
Rewriter.InsertBefore(closeBranceIndex, registrationStatement);
return(null);
}
}
}
VisitChildren(context);
return(null);
}