private void GenerateProxyMethodModifiers(CodeBuilder code)
{
// modifiers
code.AddHeader("\t");
if (_methodInfo.CodeGenProps.AccessLevel == AccessLevel.CopyExisting)
{
code.AddHeader(_methodInfo.MethodSyntax.Modifiers.ToFullString().Trim());
}
else
{
code.AddHeader(_methodInfo.CodeGenProps.GetAccessLevelModifierString() + " ");
foreach (var modifier in _methodInfo.MethodSyntax.Modifiers)
{
switch (modifier.Kind())
{
case SyntaxKind.PublicKeyword:
case SyntaxKind.PrivateKeyword:
case SyntaxKind.ProtectedKeyword:
case SyntaxKind.InternalKeyword:
// do not copy access modifiers
break;
default:
code.AddHeader(modifier + " ");
break;
}
}
}
}
/// <summary>
/// Create cil source-code representation of a <see cref="EnumDefinition"/>.
/// </summary>
/// <exception cref="Exceptions.InvalidAssemblyNameException">
/// Thrown when a invalid assembly name is given.
/// </exception>
/// <exception cref="Exceptions.InvalidNamespaceException">
/// Thrown when a invalid namespace identifier is given.
/// </exception>
/// <exception cref="Exceptions.OutOfBoundsValueException">
/// Thrown when enum value does not fit in given storage-type.
/// </exception>
/// <param name="enumDefinition">Enum to generate cil source-code for</param>
/// <param name="assemblyName">Name of the assembly to generate</param>
/// <param name="namespace">Optional namespace to add the enum to</param>
/// <param name="headerMode">Mode to use when adding a header</param>
/// <param name="indentMode">Mode to use for indenting</param>
/// <param name="spaceIndentSize">When indenting with spaces this controls how many</param>
/// <param name="newlineMode">Mode to use for ending lines</param>
/// <param name="storageType">Underlying enum storage-type to use</param>
/// <param name="curlyBracketMode">Mode to use when writing curly brackets</param>
/// <returns>String containing the genenerated cil sourcecode</returns>
public static string ExportCil(
this EnumDefinition enumDefinition,
string assemblyName,
string @namespace = null,
HeaderMode headerMode = HeaderMode.Default,
CodeBuilder.IndentMode indentMode = CodeBuilder.IndentMode.Spaces,
int spaceIndentSize = 4,
CodeBuilder.NewlineMode newlineMode = CodeBuilder.NewlineMode.Unix,
StorageType storageType = StorageType.Implicit,
CurlyBracketMode curlyBracketMode = CurlyBracketMode.NewLine)
{
if (enumDefinition == null)
{
throw new ArgumentNullException(nameof(enumDefinition));
}
if (string.IsNullOrEmpty(assemblyName) || !IdentifierValidator.Validate(assemblyName))
{
throw new InvalidAssemblyNameException(assemblyName);
}
if (!string.IsNullOrEmpty(@namespace) && !IdentifierValidator.ValidateNamespace(@namespace))
{
throw new InvalidNamespaceException(@namespace);
}
foreach (var oobEntry in enumDefinition.Entries.Where(e => !storageType.Validate(e.Value)))
{
throw new OutOfBoundsValueException(storageType, oobEntry.Value);
}
var builder = new CodeBuilder(indentMode, spaceIndentSize, newlineMode);
if (headerMode != HeaderMode.None)
{
builder.AddHeader();
builder.WriteEndLine();
}
// Add reference to mscorlib.
builder.WriteLine(".assembly extern mscorlib { }");
builder.WriteEndLine();
// Add assembly info.
builder.Write($".assembly {assemblyName}");
StartScope(builder, curlyBracketMode);
builder.WriteLine(".ver 1:0:0:0");
EndScope(builder);
builder.WriteEndLine();
// Add module info.
builder.WriteLine($".module {assemblyName}.dll");
builder.WriteEndLine();
// Add enum class.
builder.AddEnum(enumDefinition, storageType, curlyBracketMode, @namespace);
return(builder.Build());
}
/// <summary>
/// Create csharp source-code representation of a <see cref="EnumDefinition"/>.
/// </summary>
/// <exception cref="Exceptions.InvalidNamespaceException">
/// Thrown when a invalid namespace identifier is given.
/// </exception>
/// <exception cref="Exceptions.OutOfBoundsValueException">
/// Thrown when enum value does not fit in given storage-type.
/// </exception>
/// <param name="enumDefinition">Enum to generate csharp source-code for</param>
/// <param name="namespace">Optional namespace to add the enum to</param>
/// <param name="headerMode">Mode to use when adding a header</param>
/// <param name="indentMode">Mode to use for indenting</param>
/// <param name="spaceIndentSize">When indenting with spaces this controls how many</param>
/// <param name="newlineMode">Mode to use for ending lines</param>
/// <param name="storageType">Underlying enum storage-type to use</param>
/// <param name="curlyBracketMode">Mode to use when writing curly brackets</param>
/// <returns>String containing the genenerated csharp sourcecode</returns>
public static string ExportCSharp(
this EnumDefinition enumDefinition,
string @namespace = null,
HeaderMode headerMode = HeaderMode.Default,
CodeBuilder.IndentMode indentMode = CodeBuilder.IndentMode.Spaces,
int spaceIndentSize = 4,
CodeBuilder.NewlineMode newlineMode = CodeBuilder.NewlineMode.Unix,
StorageType storageType = StorageType.Implicit,
CurlyBracketMode curlyBracketMode = CurlyBracketMode.NewLine)
{
if (enumDefinition == null)
{
throw new ArgumentNullException(nameof(enumDefinition));
}
if (!string.IsNullOrEmpty(@namespace) && !IdentifierValidator.ValidateNamespace(@namespace))
{
throw new InvalidNamespaceException(@namespace);
}
foreach (var oobEntry in enumDefinition.Entries.Where(e => !storageType.Validate(e.Value)))
{
throw new OutOfBoundsValueException(storageType, oobEntry.Value);
}
var builder = new CodeBuilder(indentMode, spaceIndentSize, newlineMode);
if (headerMode != HeaderMode.None)
{
builder.AddHeader();
builder.WriteEndLine();
}
builder.WriteLine("using System.CodeDom.Compiler;");
builder.WriteEndLine();
if (string.IsNullOrEmpty(@namespace))
{
builder.AddEnum(enumDefinition, storageType, curlyBracketMode);
}
else
{
builder.AddNamespace(
@namespace,
b => b.AddEnum(enumDefinition, storageType, curlyBracketMode),
curlyBracketMode);
}
return(builder.Build());
}
private void GenerateProxyMethodBody(CodeBuilder code)
{
// method body
code.AddBlockHeader("\t");
// create the initial CallParams struct
code.AddHeader($"\t\tvar {ParamsVarName} = new {_methodInfo.MethodParamsStructName}{_methodInfo.GenericParams} (")
.AddHeader(string.Join(", ",
_methodInfo.MethodSyntax.ParameterList.Parameters.Select(parameterSyntax => _methodInfo.MethodModel.GetDeclaredSymbol(parameterSyntax).Name)))
.AddHeaderLine(");");
code.AddHeaderLine($"\t\tvar runner = new {_calculatorClassInfo.CalculatorClassName}{_calculatorClassInfo.GenericParams}();");
code.AddHeaderLine($"\t\trunner.RunRecursion({ParamsVarName});");
if (_methodInfo.ShouldGenerateReturnField)
{
code.AddHeaderLine($"\t\treturn runner.{_methodInfo.ReturnFieldName};");
}
}
private void GenerateProxyMethodSignature(CodeBuilder code)
{
code.AddHeader(" ");
code.AddHeader(_methodInfo.ReturnType);
code.AddHeader(_methodInfo.MethodName);
code.AddHeader(_methodInfo.GenericParams);
code.AddHeader(GetProxyMethodParamsList().ToFullString());
if (!string.IsNullOrEmpty(_methodInfo.ConstraintClauses))
{
code.AddHeader("\t\t");
code.AddHeaderLine(_methodInfo.ConstraintClauses);
}
}
internal string GenerateCalculatorMethodBody(TargetMethodsInfo targetMethods)
{
var code = new CodeBuilder();
// unpack params
code.AddHeaderLine("\t\t// unpack params");
code.AddHeaderLine(string.Join("\n",
_methodInfo.MethodSyntax.ParameterList.Parameters.Select(parameterSyntax =>
{
var paramSymbol = _methodInfo.MethodModel.GetDeclaredSymbol(parameterSyntax);
return($"\t\tvar {paramSymbol.Name} = {ParamsVarName}.{paramSymbol.Name};");
})));
// find all recursive invocations
var nodesToReplace = CollectInvocationsWalker.CollectInvocations(_context, _methodInfo, targetMethods);
if (nodesToReplace.ContainsCriticalFailure)
{
_context.Log(_methodInfo.MethodSyntax.GetLocation(), $"An unsupported code was found for '{_methodInfo.MethodSymbol.Name}'. Abort processing.");
return(null);
}
_context.Log(_methodInfo.MethodSyntax.GetLocation(), $"'{_methodInfo.MethodSymbol.Name}':" +
$" {nodesToReplace.VoidCalls.Count} void call(s)" +
$" {nodesToReplace.Assignments.Count} assignment(s)" +
$", {nodesToReplace.DeclarationAndAssignments.Count} var declaration(s)" +
$", {nodesToReplace.ReturnsRecursive.Count} recursive call(s) in return(s)" +
$", {nodesToReplace.Returns.Count} return(s)");
// process all supported kinds of recursive invocations
var allNodesToReplace = nodesToReplace.Returns.Cast <StatementSyntax>()
.Concat(nodesToReplace.ReturnsRecursive)
.Concat(nodesToReplace.VoidCalls.Select(t => t.containingStatement))
.Concat(nodesToReplace.Assignments.Select((t) => t.containingStatement))
.Concat(nodesToReplace.DeclarationAndAssignments.Select(t => t.containingStatement));
var newRoot = _methodInfo.MethodSyntax.Body.ReplaceNodes(allNodesToReplace, (origNode, curNode) =>
{
// _context.Log("!! " + origNode.Kind() + " " + origNode.ToFullStringTrimmed());
switch (origNode.Kind())
{
case SyntaxKind.ReturnStatement:
return(ReplaceReturn(targetMethods, (ReturnStatementSyntax)origNode, (ReturnStatementSyntax)curNode));
case SyntaxKind.ExpressionStatement:
var origExpressionNode = (ExpressionStatementSyntax)origNode;
var expression = origExpressionNode.Expression;
switch (expression.Kind())
{
case SyntaxKind.InvocationExpression:
return(ReplaceVoidCall(targetMethods, origExpressionNode, (ExpressionStatementSyntax)curNode));
case SyntaxKind.SimpleAssignmentExpression:
return(ReplaceAssignment(targetMethods, origExpressionNode, (ExpressionStatementSyntax)curNode));
default:
throw new AntiSOGenException($"Unexpected expression kind {expression.Kind()} to replace {origNode.ToFullStringTrimmed()}");
}
case SyntaxKind.LocalDeclarationStatement:
return(ReplaceLocalVarDeclrAssignment(targetMethods, (LocalDeclarationStatementSyntax)origNode, (LocalDeclarationStatementSyntax)curNode));
default:
throw new AntiSOGenException($"Unexpected statement kind {origNode.Kind()} to replace {origNode.ToFullStringTrimmed()}");
}
});
code.AddHeaderLine("\t\t// method body");
code.AddHeader(newRoot.ToFullString());
return(code.BuildString());
}
/// <summary>
/// Create fsharp source-code representation of a <see cref="EnumDefinition"/>.
/// </summary>
/// <exception cref="Exceptions.InvalidNamespaceException">
/// Thrown when a invalid namespace identifier is given.
/// </exception>
/// <exception cref="Exceptions.OutOfBoundsValueException">
/// Thrown when enum value does not fit in given storage-type.
/// </exception>
/// <param name="enumDefinition">Enum to generate fsharp source-code for</param>
/// <param name="namespace">Namespace to add the enum to</param>
/// <param name="headerMode">Mode to use when adding a header</param>
/// <param name="indentSize">How many spaces should be used for indents</param>
/// <param name="newlineMode">Mode to use for ending lines</param>
/// <param name="storageType">Underlying enum storage-type to use</param>
/// <returns>String containing the genenerated fsharp sourcecode</returns>
public static string ExportFSharp(
this EnumDefinition enumDefinition,
string @namespace,
HeaderMode headerMode = HeaderMode.Default,
int indentSize = 4,
CodeBuilder.NewlineMode newlineMode = CodeBuilder.NewlineMode.Unix,
StorageType storageType = StorageType.Implicit)
{
if (enumDefinition == null)
{
throw new ArgumentNullException(nameof(enumDefinition));
}
if (!IdentifierValidator.ValidateNamespace(@namespace))
{
throw new InvalidNamespaceException(@namespace);
}
foreach (var oobEntry in enumDefinition.Entries.Where(e => !storageType.Validate(e.Value)))
{
throw new OutOfBoundsValueException(storageType, oobEntry.Value);
}
var builder = new CodeBuilder(CodeBuilder.IndentMode.Spaces, indentSize, newlineMode);
if (headerMode != HeaderMode.None)
{
builder.AddHeader();
builder.WriteEndLine();
}
// Add namespace.
builder.WriteLine($"namespace {@namespace}");
builder.WriteEndLine();
// Open System.CodeDom.Compiler (for the 'GeneratedCode' attribute)
builder.WriteLine("open System.CodeDom.Compiler");
builder.WriteEndLine();
// Add type comment.
if (!string.IsNullOrEmpty(enumDefinition.Comment))
{
builder.AddSummary(enumDefinition.Comment);
}
// Add enum definition.
var assemblyName = typeof(FSharpExporter).Assembly.GetName();
builder.WriteLine($"[<GeneratedCode(\"{assemblyName.Name}\", \"{assemblyName.Version}\")>]");
builder.WriteLine($"type {enumDefinition.Identifier} =");
// Add entries.
foreach (var entry in enumDefinition.Entries)
{
var literalSuffix = storageType == StorageType.Implicit ?
string.Empty :
storageType.GetFSharpLiteralSuffix();
builder.WriteLine($"| {entry.Name} = {entry.Value}{literalSuffix}", additionalIndent: 1);
}
return(builder.Build());
}