public static RendererFunction GetFunctionHandle(string formula)
{
CompiledFunction fn = FunctionCompiler.Compile(2, formula);
return(new RendererFunction(delegate(double x, double y)
{
return fn(x, y);
}));
}
public void TestCompile()
{
var f = (Func <SeriesBase, double>)FunctionCompiler.Compile("x => (double)x.Mean()", new[] { typeof(SeriesBase), typeof(double) }, true);
var s = new Series(new[] { 1, 2, 3 });
var mean = f.Invoke(s);
Assert.Equal(2.0, mean);
}
private Tuple <object[], bool> PreprocessAggregators <T>(object[] aggregators)
{
var funcs = new object[aggregators.Length];
bool scriptBlockGiven = false;
for (var i = 0; i < aggregators.Length; ++i)
{
var agg = aggregators[i];
if (agg is ScriptBlock sb)
{
funcs[i] = agg;
scriptBlockGiven = true;
}
else if (agg is string st)
{
var match = _methodNameRegex.Match(st);
if (match.Success)
{
if (!match.Groups[1].Success)
{
// A bare word is given -- treats as a method name.
funcs[i] = st;
continue;
}
else
{
// We accept method name plus arguments for convinience.
st = "n => n." + st;
}
}
funcs[i] = (Func <T, object>)FunctionCompiler.Compile(
st, new[] { typeof(T), typeof(object) }, true, _dataMap, null);
}
else
{
throw new ArgumentException("Aggregators should be a ScriptBlock or string");
}
}
return(Tuple.Create(funcs, scriptBlockGiven));
}
public FunctionCompiler CreateFunctionCompiler(AmbientParser.Node methodNode)
{
int startOffset;
var functionBody = ParseFunctionBody(methodNode, out startOffset);
// Find the function we are inside
Function func = null;
int funcDist = int.MaxValue;
if (methodNode != null && _context.TypeOrNamespace is DataType)
{
foreach (var f in (_context.TypeOrNamespace as DataType).EnumerateFunctions()
.Where(m => m.Source.FullPath == _source.FullPath))
{
int dist = System.Math.Abs(f.Source.Offset - methodNode.StartOffset);
if (dist < funcDist)
{
func = f;
funcDist = dist;
}
}
}
// Construct a function compiler for the context
FunctionCompiler funcCompiler;
if (func != null)
{
funcCompiler = new FunctionCompiler(_compiler, func, _compiler.TypeBuilder.Parameterize(func.DeclaringType), functionBody);
try
{
funcCompiler.Compile();
}
catch (Exception) { }
}
else
{
funcCompiler = new FunctionCompiler(_compiler, _context.TypeOrNamespace);
}
return(funcCompiler);
}
static void Main(string[] args)
{
if (args.Length == 0)
{
throw new ArgumentException("Must specify the assembly file to build the functions from");
}
string inputAssemblyFile = args[0];
FunctionCompiler.TargetEnum target = FunctionCompiler.TargetEnum.NETStandard20;
if (args.Any(x => x.ToLower() == "--netcore21"))
{
target = FunctionCompiler.TargetEnum.NETCore21;
}
// TODO: convert the input to an absolute path if necessary
Assembly assembly = AssemblyLoadContext.Default.LoadFromAssemblyPath(inputAssemblyFile);
string outputBinaryDirectory = Path.GetDirectoryName(assembly.Location);
// Not sure why the AssemblyLoadContext doesn't deal with the below. I thought it did. Clearly not.
// TODO: Have a chat with someone who knows a bit more about this.
AssemblyLoadContext.Default.Resolving += (context, name) =>
{
string path = Path.Combine(outputBinaryDirectory, $"{name.Name}.dll");
//string path = $"{outputBinaryDirectory}\\{name.Name}.dll";
if (File.Exists(path))
{
Assembly referencedAssembly = context.LoadFromAssemblyPath(path);
return(referencedAssembly);
}
return(null);
};
FunctionCompiler compiler = new FunctionCompiler(assembly, outputBinaryDirectory, target);
compiler.Compile();
}
static void Main(string[] args)
{
if (args.Length == 0)
{
throw new ArgumentException("Must specify the assembly file to build the functions from");
}
string inputAssemblyFile = args[0];
bool outputProxiesJson = true;
if (args.Length > 1)
{
outputProxiesJson = bool.Parse(args[1]);
}
// TODO: convert the input to an absolute path if necessary
Assembly assembly = AssemblyLoadContext.Default.LoadFromAssemblyPath(inputAssemblyFile);
string outputBinaryDirectory = Path.GetDirectoryName(assembly.Location);
// Not sure why the AssemblyLoadContext doesn't deal with the below. I thought it did. Clearly not.
// TODO: Have a chat with someone who knows a bit more about this.
AssemblyLoadContext.Default.Resolving += (context, name) =>
{
string path = $"{outputBinaryDirectory}\\{name.Name}.dll";
if (File.Exists(path))
{
Assembly referencedAssembly = context.LoadFromAssemblyPath(path);
return(referencedAssembly);
}
return(null);
};
FunctionCompiler compiler = new FunctionCompiler(assembly, outputBinaryDirectory, outputProxiesJson);
compiler.Compile();
}
public ScriptBlock(string functionString)
{
_func = FunctionCompiler.Compile(functionString);
_toString = functionString;
}
static void Main(string[] args)
{
CompilerLog compilerLog = new CompilerLog();
compilerLog.Message("Compiler starting");
LogOutputType outputType = args.Any(x => x.ToLower() == "--jsonoutput")
? LogOutputType.Json
: LogOutputType.Console;
CompileTargetEnum target = args.Any(x => x.ToLower() == "--netcore21") ? CompileTargetEnum.NETCore21 : CompileTargetEnum.NETStandard20;
string outputBinaryDirectory = String.Empty;
compilerLog.Message($"Targeting {target}");
if (args.Length == 0)
{
compilerLog.Error("Must specify the assembly file to build the functions from");
}
else
{
try
{
string inputAssemblyFile = args[0];
compilerLog.Message($"Loading assembly {inputAssemblyFile}");
// TODO: convert the input to an absolute path if necessary
Assembly assembly = AssemblyLoadContext.Default.LoadFromAssemblyPath(inputAssemblyFile);
outputBinaryDirectory = Path.GetDirectoryName(assembly.Location);
// Not sure why the AssemblyLoadContext doesn't deal with the below. I thought it did. Clearly not.
// TODO: Have a chat with someone who knows a bit more about this.
AssemblyLoadContext.Default.Resolving += (context, name) =>
{
string path = Path.Combine(outputBinaryDirectory, $"{name.Name}.dll");
//string path = $"{outputBinaryDirectory}\\{name.Name}.dll";
if (File.Exists(path))
{
Assembly referencedAssembly = context.LoadFromAssemblyPath(path);
return(referencedAssembly);
}
return(null);
};
FunctionCompiler compiler = new FunctionCompiler(assembly, outputBinaryDirectory, target, compilerLog);
compiler.Compile();
}
catch (Exception e)
{
compilerLog.Error($"Unexpected error: {e.Message}");
}
}
compilerLog.Message("Compilation complete");
if (compilerLog.HasItems)
{
if (string.IsNullOrWhiteSpace(outputBinaryDirectory) && outputType == LogOutputType.Json)
{
compilerLog.Warning("Cannot write errors to output file as no output directory can be found, likely a missing assembly");
outputType = LogOutputType.Console;
}
if (outputType == LogOutputType.Console)
{
System.Console.WriteLine(compilerLog.ToConsole());
}
else
{
string outputPath = Path.Combine(outputBinaryDirectory, "__fm__errors.json");
File.WriteAllText(outputPath, compilerLog.ToJson());
}
}
}
public void TestCompile()
{
var f = FunctionCompiler.Compile("x => x * 2 + 1");
Assert.AreEqual(7, f.Invoke(3));
}
public ScriptBlock(string functionString, Type[] parameterTypes)
{
_func = FunctionCompiler.Compile(functionString, parameterTypes, true);
_toString = functionString;
}