public void Expressions_with_larger_long_casts_should_not_crash()
{
var y = 65536;
var yn1 = y + 1;
Assert.IsTrue(ExpressionCompiler.Compile(() => yn1 != (long)y)());
}
public void Expressions_with_small_long_casts_should_not_crash()
{
var x = 65535;
var y = 65535;
Assert.IsTrue(ExpressionCompiler.Compile(() => x == (long)y)());
}
public void TestCompilePerformance()
{
for (int i = 0; i < 100000; i++)
{
ExpressionCompiler.Compile <Z, string>(z => z.Q[22].Qzz);
}
}
public void Expressions_with_max_uint_constant()
{
const uint maxuint = UInt32.MaxValue;
Assert.IsFalse(maxuint == -1);
Assert.IsFalse(ExpressionCompiler.Compile(() => maxuint == -1)());
}
/// <summary>
/// Compiles the specified code
/// </summary>
/// <param name="code">MuteScript code to compile</param>
/// <returns>Returns a <see cref="CompilationResult" /></returns>
public CompilationResult Compile(string code)
{
var lexer = new MuteGrammarLexer(new AntlrInputStream(code));
var parser = new MuteGrammarParser(new BufferedTokenStream(lexer));
var errorListener = new TokenErrorListener {
Messages = parser.Messages
};
parser.RemoveErrorListeners();
parser.AddErrorListener(errorListener);
parser.NamespaceLookup = this.NamespaceLookup;
parser.UsingTypes = this.ImplicitImports;
var ctx = parser.compileUnit();
if (parser.Messages.Count(x => x.Severity == MessageSeverity.Error) > 0)
{
return(new CompilationResult(null, parser.Messages));
}
var cmp = new ExpressionCompiler();
var result = cmp.Compile(ctx.module);
return(new CompilationResult(result, parser.Messages));
}
private Action <SprocCall, T, UpdateBatch, DocumentMapping, Guid?, Guid, string> buildSprocWriter(DocumentMapping mapping)
{
var call = Expression.Parameter(typeof(SprocCall), "call");
var doc = Expression.Parameter(typeof(T), "doc");
var batch = Expression.Parameter(typeof(UpdateBatch), "batch");
var mappingParam = Expression.Parameter(typeof(DocumentMapping), "mapping");
var currentVersion = Expression.Parameter(typeof(Guid?), "currentVersion");
var newVersion = Expression.Parameter(typeof(Guid), "newVersion");
var tenantId = Expression.Parameter(typeof(string), "tenantId");
var arguments = new UpsertFunction(mapping).OrderedArguments().Select(x =>
{
return(x.CompileUpdateExpression(_mapping.DuplicatedFieldEnumStorage, call, doc, batch, mappingParam, currentVersion, newVersion, tenantId, true));
});
var block = Expression.Block(arguments);
var lambda = Expression.Lambda <Action <SprocCall, T, UpdateBatch, DocumentMapping, Guid?, Guid, string> >(block,
new ParameterExpression[]
{
call, doc, batch, mappingParam, currentVersion, newVersion, tenantId
});
return(ExpressionCompiler.Compile <Action <SprocCall, T, UpdateBatch, DocumentMapping, Guid?, Guid, string> >(lambda));
}
private Action <SprocCall, T, UpdateBatch, DocumentMapping, Guid?, Guid> buildSprocWriter(DocumentMapping mapping)
{
var call = Expression.Parameter(typeof(SprocCall), "call");
var doc = Expression.Parameter(typeof(T), "doc");
var batch = Expression.Parameter(typeof(UpdateBatch), "batch");
var mappingParam = Expression.Parameter(typeof(DocumentMapping), "mapping");
var currentVersion = Expression.Parameter(typeof(Guid?), "currentVersion");
var newVersion = Expression.Parameter(typeof(Guid), "newVersion");
var arguments = new UpsertFunction(mapping).OrderedArguments().Select(x =>
{
return(x.CompileUpdateExpression(_serializer.EnumStorage, call, doc, batch, mappingParam, currentVersion, newVersion, _useCharBufferPooling));
});
var block = Expression.Block(arguments);
var lambda = Expression.Lambda <Action <SprocCall, T, UpdateBatch, DocumentMapping, Guid?, Guid> >(block,
new ParameterExpression[]
{
call, doc, batch, mappingParam, currentVersion, newVersion
});
return(ExpressionCompiler.Compile <Action <SprocCall, T, UpdateBatch, DocumentMapping, Guid?, Guid> >(lambda));
}
public BulkLoader(ISerializer serializer, DocumentMapping mapping, IdAssignment <T> assignment)
{
_mapping = mapping;
_assignment = assignment;
var upsertFunction = new UpsertFunction(mapping);
_tempTableName = mapping.Table.Name + "_temp";
var writer = Expression.Parameter(typeof(NpgsqlBinaryImporter), "writer");
var document = Expression.Parameter(typeof(T), "document");
var alias = Expression.Parameter(typeof(string), "alias");
var serializerParam = Expression.Parameter(typeof(ISerializer), "serializer");
var textWriter = Expression.Parameter(typeof(CharArrayTextWriter), "writer");
var tenantId = Expression.Parameter(typeof(string), "tenantId");
var arguments = upsertFunction.OrderedArguments().Where(x => !(x is CurrentVersionArgument)).ToArray();
var expressions =
arguments.Select(
x => x.CompileBulkImporter(mapping, serializer.EnumStorage, writer, document, alias, serializerParam, textWriter, tenantId));
var columns = arguments.Select(x => $"\"{x.Column}\"").Join(", ");
_baseSql = $"COPY %TABLE%({columns}) FROM STDIN BINARY";
_sql = _baseSql.Replace("%TABLE%", mapping.Table.QualifiedName);
var block = Expression.Block(expressions);
var lambda = Expression.Lambda <Action <T, string, ISerializer, NpgsqlBinaryImporter, CharArrayTextWriter, string> >(block, document, alias,
serializerParam, writer, textWriter, tenantId);
_transferData = ExpressionCompiler.Compile <Action <T, string, ISerializer, NpgsqlBinaryImporter, CharArrayTextWriter, string> >(lambda);
}
public void Should_compile_manually_composed_expr_with_parameters()
{
var manualExpr = ComposeManualExprWithParams();
var lambda = ExpressionCompiler.Compile <Func <B, X> >(manualExpr);
Assert.IsInstanceOf <X>(lambda(new B()));
}
public void Compile()
{
var compiler = new ExpressionCompiler();
compiler.Compile(this);
Verify();
}
public void Should_compile_manually_composed_expr()
{
var manualExpr = ComposeManualExpr();
var lambda = ExpressionCompiler.Compile(manualExpr);
Assert.IsInstanceOf <X>(lambda());
}
static Action <T, TProperty> GetSetMethod(PropertyInfo property)
{
var instance = Expression.Parameter(typeof(T), "instance");
var value = Expression.Parameter(typeof(TProperty), "value");
var call = Expression.Call(instance, property.SetMethod, value);
return(ExpressionCompiler.Compile <Action <T, TProperty> >(Expression.Lambda <Action <T, TProperty> >(call, instance, value)));
}
static Func <TContext, Task> GenerateFunc <TContext, TStep>(IReadOnlyList <TStep> steps, string processMethodName)
where TContext : StepContext
where TStep : IStep
{
var expression = GenerateExpression <TContext, TStep>(steps, processMethodName, 0);
return(ExpressionCompiler.Compile <Func <TContext, Task> >(expression));
//return expression.Compile();
}
protected static Action <TVisitor, PropertyInfo> CompileCallMethod(MethodInfo methodType)
{
var visitor = Expression.Parameter(typeof(TVisitor), "visitor");
var propertyInfo = Expression.Parameter(typeof(PropertyInfo), "property");
var call = Expression.Call(visitor, methodType, propertyInfo);
var lambda = Expression.Lambda <Action <TVisitor, PropertyInfo> >(call, visitor, propertyInfo);
return(ExpressionCompiler.Compile <Action <TVisitor, PropertyInfo> >(lambda));
}
public static string FormatCode(string code)
{
var ast = new NodeTypeBinder().Process(Reduce(code, out _));
var compiler = new ExpressionCompiler();
var expression = compiler.Compile(ast as EntryNode);
var codeGenerator = new XzaarScriptCodeFormatter();
return(codeGenerator.Visit(expression).TrimEnd('\r', '\n'));
}
static Func <TContext, Task> GenerateFunc <TContext, TStep>(IReadOnlyList <TStep> steps, string processMethodName)
where TContext : StepContext
where TStep : IStep
{
var expression = GenerateExpression <TContext, TStep>(steps, processMethodName);
// use Dadhi's fast expression compiler because he's awesome - https://github.com/dadhi
return(ExpressionCompiler.Compile <Func <TContext, Task> >(expression));
}
/// <summary>
/// Initializes a new instance of the <see cref="SimpleQuery{TResult}"/> class.
/// </summary>
/// <param name="operationDefinition">The GraphQL operation definition.</param>
/// <param name="resultBuilder">
/// A function which transforms JSON data into the final result.
/// </param>
public SimpleQuery(
OperationDefinition operationDefinition,
Expression <Func <JObject, TResult> > resultBuilder)
{
var serializer = new QuerySerializer();
OperationDefinition = operationDefinition;
Query = serializer.Serialize(operationDefinition);
ResultBuilder = ExpressionCompiler.Compile(resultBuilder);
}
public void TestCases(ArgumentMismatchTestCase testCase)
{
var tokens = Lexer.Process(DemoUtility.OperatorMap, testCase.Infix);
var node = AstParser.Parse(DemoUtility.OperatorMap, tokens);
var ex = Assert.Throws <OverloadMismatchException>(() => ExpressionCompiler.Compile <double>(DemoUtility.CompilerFunctions, node));
Assert.AreEqual(testCase.ExpectedOperator, ex.OperatorNode.OperatorInfo.Keyword);
Assert.AreEqual(testCase.ActualArguments, ex.OperatorNode.Children.Count);
}
public static XzaarExpression CompileExpression(this EntryNode node)
{
var compiler = new ExpressionCompiler();
var expression = compiler.Compile(node);
if (compiler.Errors.Count > 0)
{
throw new Exception(string.Join(Environment.NewLine, compiler.Errors.ToArray()));
}
return(expression);
}
public void Should_compile_nested_lambda()
{
var a = new A();
Expression <Func <X> > getXExpr = () => X.Get(it => new X(it), new Lazy <A>(() => a));
var getX = ExpressionCompiler.Compile(getXExpr);
var x = getX();
Assert.AreSame(a, x.A);
}
public static Func <TTarget, TField> GetField <TTarget, TField>(FieldInfo field)
{
var target = Expression.Parameter(typeof(TTarget), "target");
var fieldAccess = Expression.Field(target, field);
var lambda = field.FieldType == typeof(TField)
? Expression.Lambda <Func <TTarget, TField> >(fieldAccess, target)
: Expression.Lambda <Func <TTarget, TField> >(Expression.Convert(fieldAccess, typeof(TField)), target);
return(ExpressionCompiler.Compile <Func <TTarget, TField> >(lambda));
}
public void TestCases(End2EndTestCase <double> testCase)
{
var tokens = Lexer.Process(DemoUtility.OperatorMap, testCase.Infix);
var node = AstParser.Parse(DemoUtility.OperatorMap, tokens);
Assert.AreEqual(testCase.ExpectedNodeString, node.ToString());
var functionActual = ExpressionCompiler.Compile <Context <double>, double>(DemoUtility.CompilerFunctions, node);
Assert.AreEqual(testCase.ExpectedFunction(s_ctx), functionActual(s_ctx));
}
/// <summary>
/// Initializes a new instance of the <see cref="SimpleQuery{TResult}"/> class.
/// </summary>
/// <param name="masterQuery">The master query.</param>
/// <param name="subqueries">The sub-queries.</param>
/// <param name="parentIds">
/// A function which given the data from the master query, returns the IDs of the
/// entities which can be auto-paged.
/// </param>
/// <param name="pageInfo">
/// A function which given the data from the sub-query, returns the paging info.
/// </param>
/// <param name="parentPageInfo">
/// A function which given the data from the master query, returns the paging info
/// for all entities which can be auto-paged.
/// </param>
public PagedSubquery(
SimpleQuery <TResult> masterQuery,
IEnumerable <ISubquery> subqueries,
Expression <Func <JObject, IEnumerable <JToken> > > parentIds,
Expression <Func <JObject, JToken> > pageInfo,
Expression <Func <JObject, IEnumerable <JToken> > > parentPageInfo)
: base(masterQuery, subqueries)
{
ParentIds = ExpressionCompiler.Compile(parentIds);
PageInfo = ExpressionCompiler.Compile(pageInfo);
ParentPageInfo = ExpressionCompiler.Compile(parentPageInfo);
}
private static MondProgram CompileImpl(Expression expression, MondCompilerOptions options, string debugSourceCode = null)
{
expression = expression.Simplify();
expression.SetParent(null);
//using (var printer = new ExpressionPrintVisitor(Console.Out))
// expression.Accept(printer);
var compiler = new ExpressionCompiler(options);
return(compiler.Compile(expression, debugSourceCode));
}
public void Add(MethodCollection methods, MethodInfo method, Type aggregateType, IList <ParameterExpression> parameters)
{
Expression body = Expression.Call(parameters[0], method, parameters.OfType <Expression>().Skip(1).ToArray());
var expression = Expression.Lambda <T>(body, parameters);
var lambda = ExpressionCompiler.Compile <T>(expression);
var eventType = method.GetEventType(aggregateType);
methods.AddLambda(lambda, eventType);
}
public static Action <TTarget, TField> SetField <TTarget, TField>(FieldInfo field)
{
var target = Expression.Parameter(typeof(TTarget), "target");
var value = Expression.Parameter(typeof(TField), "value");
var fieldAccess = Expression.Field(target, field);
var fieldSetter = Expression.Assign(fieldAccess, value);
var lambda = Expression.Lambda <Action <TTarget, TField> >(fieldSetter, target, value);
return(ExpressionCompiler.Compile <Action <TTarget, TField> >(lambda));
}
static void Main(string[] args)
{
string infix = string.Join(' ', args);
Console.WriteLine(infix);
var tokens = Lexer.Process(DemoUtility.OperatorMap, infix);
var node = AstParser.Parse(DemoUtility.OperatorMap, tokens);
var func = ExpressionCompiler.Compile <double>(DemoUtility.CompilerFunctions, node);
Console.WriteLine(func());
}
/// <summary>
/// Initializes a new instance of the <see cref="SimpleQuery{TResult}"/> class.
/// </summary>
/// <param name="operationDefinition">The GraphQL operation definition.</param>
/// <param name="resultBuilder">
/// A function which transforms JSON data into the final result.
/// </param>
/// <param name="parentIds">
/// A function which given the data from the master query, returns the IDs of the
/// entities which can be auto-paged.
/// </param>
/// <param name="pageInfo">
/// A function which given the data from the sub-query, returns the paging info.
/// </param>
/// <param name="parentPageInfo">
/// A function which given the data from the master query, returns the paging info
/// for all entities which can be auto-paged.
/// </param>
public SimpleSubquery(
OperationDefinition operationDefinition,
Expression <Func <JObject, TResult> > resultBuilder,
Expression <Func <JObject, IEnumerable <JToken> > > parentIds,
Expression <Func <JObject, JToken> > pageInfo,
Expression <Func <JObject, IEnumerable <JToken> > > parentPageInfo)
: base(operationDefinition, resultBuilder)
{
ParentIds = ExpressionCompiler.Compile(parentIds);
PageInfo = ExpressionCompiler.Compile(pageInfo);
ParentPageInfo = ExpressionCompiler.Compile(parentPageInfo);
}
public AggregateFinder()
{
var idMember = DocumentMapping.FindIdMember(typeof(T));
var docParam = Expression.Parameter(typeof(T), "doc");
var idParam = Expression.Parameter(typeof(Guid), "id");
var member = Expression.PropertyOrField(docParam, idMember.Name);
var assign = Expression.Assign(member, idParam);
var lambda = Expression.Lambda <Action <T, Guid> >(assign, docParam, idParam);
_setId = ExpressionCompiler.Compile <Action <T, Guid> >(lambda);
}
private static MondProgram CompileImpl(Expression expression, MondCompilerOptions options)
{
options = options ?? new MondCompilerOptions();
expression.SetParent(null);
expression.Simplify();
//using (var writer = new IndentTextWriter(Console.Out, " "))
// expression.Print(writer);
var compiler = new ExpressionCompiler(options);
return(compiler.Compile(expression));
}
private void EvaluateCommand_Click(object sender, EventArgs e)
{
try
{
var compiler = new ExpressionCompiler();
var function = compiler.Compile(ScriptInput.Text);
var input = compiler.LastExpressionParams.ToArray();
var form = new ValuesInputForm(input);
if (form.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
var result = function(form.Values);
MessageBox.Show(string.Format("The result is: {0}", result), "Result");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}