void GenerateToString(Class @class, Block block, Method method)
{
needsStreamInclude = true;
block.WriteLine("std::ostringstream os;");
block.WriteLine("os << *NativePtr;");
block.Write("return clix::marshalString<clix::E_UTF8>(os.str());");
}
void GenerateEquals(Class @class, Block block, Method method)
{
var cliTypePrinter = new CLITypePrinter(Driver);
var classCliType = @class.Visit(cliTypePrinter);
block.WriteLine("if (!object) return false;");
block.WriteLine("auto obj = dynamic_cast<{0}>({1});",
classCliType, method.Parameters[0].Name);
block.NewLine();
block.WriteLine("if (!obj) return false;");
block.Write("return __Instance == obj->__Instance;");
}
public void AddBlock(Block block)
{
if (Text.StringBuilder.Length != 0 || hasIndentChanged)
{
hasIndentChanged = false;
var newBlock = new Block { Text = Text.Clone(), isSubBlock = true };
Text.StringBuilder.Clear();
AddBlock(newBlock);
}
block.Parent = this;
Blocks.Add(block);
}
private void VisitMethod(Method method, Block block)
{
if (!method.IsSynthetized)
return;
var @class = (Class)method.Namespace;
if (method.Name == "GetHashCode" && method.Parameters.Count == 0)
GenerateGetHashCode(block);
if (method.Name == "Equals" && method.Parameters.Count == 1)
GenerateEquals(@class, block, method);
if (method.Name == "ToString" && method.Parameters.Count == 0)
GenerateToString(@class, block, method);
}
private void OnUnitGenerated(GeneratorOutput generatorOutput)
{
var blocks = (from template in generatorOutput.Templates
from block in template.FindBlocks(CSharpBlockKind.Method)
where this.events.Contains(block.Declaration)
select block).ToList();
foreach (var block in blocks)
{
var method = (Function) block.Declaration;
var @event = char.ToUpperInvariant(method.OriginalName[0]) + method.OriginalName.Substring(1);
var blockIndex = block.Parent.Blocks.IndexOf(block);
var eventBlock = new Block(CSharpBlockKind.Event);
eventBlock.WriteLine("public event global::System.Action<object, {0}> {1};",
method.Parameters[0].Type, @event);
eventBlock.NewLine();
const string eventHandler = @"__eventHandler";
var raiseEvent = string.Format(
@" var {0} = {1};
if ({0} != null)
{0}(this, {2});
", eventHandler, @event, method.Parameters[0].Name);
if (block.Blocks.Count > 0 && block.Blocks[0].Kind == BlockKind.BlockComment)
{
eventBlock.Blocks.Add(block.Blocks[0]);
}
block.Parent.Blocks.Insert(blockIndex, eventBlock);
var stringBuilder = block.Text.StringBuilder;
if (method.OriginalReturnType.Type.IsPrimitiveType(PrimitiveType.Void))
{
stringBuilder.Insert(stringBuilder.Length - 1 - Environment.NewLine.Length, raiseEvent);
}
else
{
const string @return = " return ";
stringBuilder.Replace(@return, raiseEvent + @return);
}
}
}
void GenerateGetHashCode(Block block)
{
block.Write("return (int)NativePtr;");
}
public void PushBlock(Block block)
{
block.Parent = ActiveBlock;
ActiveBlock.AddBlock(block);
ActiveBlock = block;
}
public void PushBlock(int kind, Declaration decl = null)
{
var block = new Block { Kind = kind, Declaration = decl };
PushBlock(block);
}
public void AddBlock(Block block)
{
ActiveBlock.AddBlock(block);
}
protected Template(BindingContext context, IEnumerable<TranslationUnit> units)
{
Context = context;
TranslationUnits = new List<TranslationUnit>(units);
RootBlock = new Block();
ActiveBlock = RootBlock;
}
protected Template(Driver driver, TranslationUnit unit)
{
Driver = driver;
Options = driver.Options;
TranslationUnit = unit;
RootBlock = new Block();
ActiveBlock = RootBlock;
}
private void OnUnitGenerated(GeneratorOutput generatorOutput)
{
var blocks = (from template in generatorOutput.Templates
from block in template.FindBlocks(CSharpBlockKind.Method)
where this.events.Contains(block.Declaration)
select block).ToList();
foreach (var block in blocks)
{
var method = (Function) block.Declaration;
string @event;
if (((Class) method.Namespace).Methods.Any(m => m != method && m.OriginalName == method.OriginalName))
{
@event = method.OriginalName;
}
else
{
@event = char.ToUpperInvariant(method.OriginalName[0]) + method.OriginalName.Substring(1);
}
var blockIndex = block.Parent.Blocks.IndexOf(block);
var eventBlock = new Block(CSharpBlockKind.Event);
eventBlock.WriteLine("public event global::System.Action<object, {0}> {1};",
method.Parameters[0].Type, @event);
eventBlock.NewLine();
const string eventHandler = @"__eventHandler";
var raiseEvent = string.Format(
@"var {0} = {1};
if ({0} != null)
{0}(this, {2});
if ({2}.Handled)
return{3};
",
eventHandler, @event, method.Parameters[0].Name,
method.OriginalReturnType.Type.IsPrimitiveType(PrimitiveType.Void) ? string.Empty : " true");
if (block.Blocks.Count > 0 && block.Blocks[0].Kind == BlockKind.BlockComment)
{
eventBlock.Blocks.Add(block.Blocks[0]);
}
block.Parent.Blocks.Insert(blockIndex, eventBlock);
block.Text.StringBuilder.Replace("var __slot", raiseEvent + " var __slot");
}
}
protected Template(Driver driver, IEnumerable<TranslationUnit> units)
{
Driver = driver;
Options = driver.Options;
TranslationUnits = new List<TranslationUnit>(units);
RootBlock = new Block();
ActiveBlock = RootBlock;
}
void VisitMethodBody(Block block)
{
var method = block.Declaration as Method;
var @class = (Class) method.Namespace;
if (method.Name == "GetHashCode" && method.Parameters.Count == 0)
GenerateGetHashCode(@class, block);
if (method.Name == "Equals" && method.Parameters.Count == 1)
GenerateEquals(@class, block, method);
}
void GenerateGetHashCode(Class @class, Block block)
{
var hashcodeOverride = @class.Methods.FirstOrDefault(m =>
{
var expansions = m.PreprocessedEntities.OfType<MacroExpansion>();
return expansions.Any(e => e.Text == "FLD_HASHCODE");
});
if (hashcodeOverride == null)
return;
var cppTypePrinter = new CppTypePrinter(Driver.TypeDatabase);
var classCppType = @class.Visit(cppTypePrinter);
block.Text.StringBuilder.Clear();
block.WriteLine("return (({0}*)NativePtr)->{1}();",
classCppType, hashcodeOverride.OriginalName);
}
void GenerateEquals(Class @class, Block block, Method method)
{
var equalsOverride = @class.Methods.FirstOrDefault(m =>
{
var expansions = m.PreprocessedEntities.OfType<MacroExpansion>();
return expansions.Any(e => e.Text == "FLD_EQUALS");
});
if (equalsOverride == null)
return;
var cliTypePrinter = new CLITypePrinter(Driver);
var cppTypePrinter = new CppTypePrinter(Driver.TypeDatabase);
var paramCppType = equalsOverride.Parameters[0].Visit(cppTypePrinter);
var classCppType = @class.Visit(cppTypePrinter);
var classCliType = @class.Visit(cliTypePrinter);
block.Text.StringBuilder.Clear();
block.WriteLine("if (!object) return false;");
block.WriteLine("auto obj = dynamic_cast<{0}>({1});",
classCliType, method.Parameters[0].Name);
block.NewLine();
block.WriteLine("if (!obj) return false;");
block.WriteLine("auto param = ({0})obj->NativePtr;", paramCppType);
block.WriteLine("return (({0}*)NativePtr)->{1}(param);",
classCppType, equalsOverride.OriginalName);
}