public void BuildWithDependency(string functionFileName)
{
// Compile
var environment = EnvironmentManager.CreateEnvironment(BASE_PATH, functionFileName);
var functionFile = environment.FunctionFile;
var projectFile = environment.ProjectFile;
var assemblyFile = environment.AssemblyFile;
var restorer = new DependencyRestorer(environment);
restorer.CopyAndRestore();
var compiler = new DefaultCompiler(new DefaultParser(), new WithDependencyReferencesManager());
var function = FunctionCreator.CreateFunction(functionFile, projectFile);
compiler.Compile(function);
// Invoke
var invoker = new DefaultInvoker();
var args = WebManager.GetHttpRequest();
object result = invoker.Execute(function, args);
}
public void BuildWithDependency(string functionFileName)
{
var environment = EnvironmentManager.CreateEnvironment(BASE_PATH, functionFileName);
var functionFile = environment.FunctionFile;
var projectFile = environment.ProjectFile;
var assemblyFile = environment.AssemblyFile;
Assert.True(File.Exists(functionFile));
Assert.True(File.Exists(projectFile));
Assert.False(File.Exists(assemblyFile));
var restorer = new DependencyRestorer(environment);
restorer.CopyAndRestore();
var compiler = new DefaultCompiler(new DefaultParser(), new WithDependencyReferencesManager());
var function = FunctionCreator.CreateFunction(functionFile, projectFile);
Assert.False(function.IsCompiled());
compiler.Compile(function);
Assert.True(function.IsCompiled());
Assert.True(File.Exists(assemblyFile));
Assert.NotEmpty(File.ReadAllBytes(assemblyFile));
}
public static void Main(string[] args)
{
var f = new FunctionCreator <int, int>();
f.CreateFunction(x => x * x, x => x < 0);
f.CreateFunction(y => y * 2 + 1, y => y > 0);
Console.WriteLine($"f(-2) = {f.Invoke(-2) } \n");
Console.WriteLine($"f(2) = {f.Invoke(2) }");
Console.ReadKey();
}
// Register an expression that will be used in a query
// An expression is the RHS of an attribute assignment (not just a function)
// Can only be Rename, Project, Open, Aggregate: only last two needed
public bool RegisterExpression(ExpressionEval expr, int naccum)
{
if (!(expr.IsOpen || expr.HasFold))
{
return(true);
}
// Check whether new registration or update (to new evaluator)
// TODO: check it's the same expr
var updating = ExprDict.ContainsKey(expr.Serial);
var name = SqlGen.FuncName(expr);
ExprDict[expr.Serial] = expr;
Logger.WriteLine(3, $"Register {name} upd={updating} nacc={naccum} expr={expr}");
if (updating)
{
return(true);
}
// notify database, set up callbacks
// may require sql to register (PG)
// FIX: would be better in PostgresDatabase, but does not have access to sql gen (and data types).
var args = expr.Lookup.Columns.Select(c => ToSqlCommon[c.DataType.BaseType]).ToArray();
var retn = ToSqlCommon[expr.ReturnType.BaseType];
if (expr.HasFold)
{
// note: type must match low level wrappers
var stype = DataTypes.Number;
var init = NumberValue.Zero;
var col0 = new DataColumn[] { DataColumn.Create("_state_", stype) };
OptionalExpressionSql(_sqlgen.CreateFunction(name, col0.Concat(expr.Lookup.Columns).ToArray(), stype));
OptionalExpressionSql(_sqlgen.CreateFunction(name + "F", col0, expr.ReturnType));
OptionalExpressionSql(_sqlgen.CreateAggregate(name, expr.Lookup.Columns, stype, init, name, name + "F"));
return(FunctionCreator.CreateAggFunction(name, expr.Serial, naccum, args, retn));
}
// expr.IsOpen
OptionalExpressionSql(_sqlgen.CreateFunction(name, expr.Lookup.Columns, expr.ReturnType));
return(FunctionCreator.CreateFunction(name, FuncTypes.Open, expr.Serial, args, retn));
}
private static IFunction GetCompiledFunctionWithDepedencies(string functionFileName)
{
// Creates Environment
var environment = EnvironmentManager.CreateEnvironment(BASE_PATH, functionFileName);
var functionFile = environment.FunctionFile;
var projectFile = environment.ProjectFile;
var assemblyFile = environment.AssemblyFile;
// Restore Dependencies
var restorer = new DependencyRestorer(environment);
restorer.CopyAndRestore();
// Compile
var compiler = new DefaultCompiler(new DefaultParser(), new WithDependencyReferencesManager());
var function = FunctionCreator.CreateFunction(functionFile, projectFile);
compiler.Compile(function);
return(function);
}
