/// <summary>
/// Converts a value to the required type.
/// </summary>
/// <param name="value">The value to convert.</param>
/// <param name="targetType">The required targt type.</param>
public Value Convert(Value value, Type targetType)
{
if (value.ValueType == targetType)
{
return(value);
}
if (value.ValueType.IsValueType || value.ValueType.IsTreatedAsPtr())
{
return(BlockHost.CreateConversion(value, targetType));
}
else
{
Debug.Assert(!targetType.IsValueType);
return(BlockHost.CreateCastClass(value, targetType));
}
}
/// <summary>
/// Peeks a value recursively. This method only retrieves a value
/// from a predecessor but does not build any phi nodes.
/// </summary>
/// <param name="var"></param>
/// <returns></returns>
private Value?PeekValue(VariableRef var)
{
if (values.TryGetValue(var, out Value value))
{
return(value);
}
foreach (var preprocessor in predecessors)
{
Value?result;
if (BlockHost.IsProcessed(preprocessor) &&
(result = preprocessor.PeekValue(var)) != null)
{
return(result);
}
}
return(null);
}
internal void GenDelegatePlumbing(DelegateType d)
{
if (!DelegatesSeen.ContainsKey(d))
{
DelegateSanityCheck(d);
var converted = new ForeignMacroExpr(d, Convert, Helpers);
var entrypointName = Convert.Name.GenNativeMethodName(d);
// Generate c++ entrypoint
BlockHost.AddCppEntrypoint(converted, entrypointName);
BlockHost.Include(d);
// Generate java native method
BlockHost.NativeJavaMethods.Add(converted.GenJavaNativeMethod(entrypointName));
// Generate java runnable/callable class
DelegatesSeen.Add(d, GenJavaDelegateCode(d, converted, entrypointName));
}
}
string InterceptCallToUno(Function func, object callArgs)
{
var ufunc = new ForeignMacroExpr(func, Convert, Helpers);
var entrypointName = Convert.Name.GenNativeMethodName(func);
// Add requirements
BlockHost.RequireMember(func);
BlockHost.Include(ufunc.EntrypointIncludes);
// Generate c++ entrypoint
BlockHost.AddCppEntrypoint(ufunc, entrypointName);
// Generate java native method
BlockHost.NativeJavaMethods.Add(ufunc.GenJavaNativeMethod(entrypointName));
// Generate java call to java native method
var args = (List <string>)callArgs;
var castedArgs = ufunc.Params.Zip(args, (x, y) => x.JavaArgCast + y);
return(ufunc.GenCallToNativeMethod(entrypointName, new List <string>(castedArgs)));
}
string InterceptProperty(string macroText, string expansionResult, Property property, object callArgs)
{
var isGetter = !macroText.Contains(":Set(");
var ufunc = new ForeignMacroExpr(property, isGetter, Convert, Helpers);
var entrypointName = Convert.Name.GenNativePropertyName(property, isGetter);
// Add requirements
BlockHost.RequireMember(property);
BlockHost.Include(property.DeclaringType);
BlockHost.Include(ufunc.EntrypointIncludes);
// Generate c++ entrypoint
BlockHost.AddCppEntrypoint(ufunc, entrypointName);
// Generate java native method
BlockHost.NativeJavaMethods.Add(ufunc.GenJavaNativeMethod(entrypointName));
// Generate java call to java native method
var args = callArgs == null ? new List <string>() : new List <string>((List <string>)callArgs);
return(ufunc.GenCallToNativeMethod(entrypointName, args));
}