Example #1
0
        public void ComparesGreaterThan([Range(0, 10)] int op1, [Range(0, 10)] int op2)
        {
            using (var module = LLVMModuleRef.CreateWithName("test_greaterthan"))
            {
                var def = module.AddFunction(
                    LLVMTypeRef.Int1, "greaterthan", new[] { LLVMTypeRef.Int32, LLVMTypeRef.Int32 }, (f, b) =>
                {
                    var p1  = f.Params[0];
                    var p2  = f.Params[1];
                    var cmp = b.BuildICmp(LLVMIntPredicate.LLVMIntSGT, p1, p2);
                    var r   = b.BuildBitCast(cmp, f.TypeOf.ReturnType.ReturnType);
                    var ret = b.BuildRet(r);
                });
                module.Verify(LLVMVerifierFailureAction.LLVMPrintMessageAction);

                LLVM.InitializeNativeTarget();
                LLVM.InitializeNativeAsmParser();
                LLVM.InitializeNativeAsmPrinter();

                var engine = module.CreateMCJITCompiler();
                var func   = engine.GetPointerToGlobal <Int32Int32Int8Delegate>(def);
                var result = op1 > op2 ? 1 : 0;
                Assert.AreEqual(result, func(op1, op2));
            }
        }
Example #2
0
        public void AddsSigned()
        {
            var op1 = 0;
            var op2 = 0;

            using (var module = LLVMModuleRef.CreateWithName("test_add"))
            {
                var def = module.AddFunction(
                    LLVMTypeRef.Int32, "add", new[] { LLVMTypeRef.Int32, LLVMTypeRef.Int32 }, (f, b) =>
                {
                    var p1  = f.Params[0];
                    var p2  = f.Params[1];
                    var add = b.BuildAdd(p1, p2);
                    var ret = b.BuildRet(add);
                });
                module.Verify(LLVMVerifierFailureAction.LLVMPrintMessageAction);

                LLVM.InitializeNativeTarget();
                LLVM.InitializeNativeAsmParser();
                LLVM.InitializeNativeAsmPrinter();

                var engine = module.CreateMCJITCompiler();
                var func   = engine.GetPointerToGlobal <Int32Int32Int32Delegate>(def);
                var result = op1 + op2;
                Assert.AreEqual(result, func(op1, op2));
            }
        }
Example #3
0
        public unsafe CompilationUnit(CompilerConfiguration compilerConfiguration, string name)
        {
            CompilerConfiguration = compilerConfiguration;
            Name = name;

            Module = LLVMModuleRef.CreateWithName(name);
        }
Example #4
0
        public GamaGlobalContext(string name)
        {
            ModuleName = $"{ name }.mod";

            ErrorList = new GamaErrorCollection();

            Module  = LLVMModuleRef.CreateWithName(ModuleName);
            Context = Module.Context;

            Root       = new GamaNamespace("[root]", this);
            Namespaces = new List <GamaNamespace>();

            ImportedFiles = new List <string>();

            // I know this is 'unsafe', but these methods are not implemeted to their OOP counterparts yet
            // So I am stuck with this for now
            unsafe
            {
                LLVM.SetDataLayout(Module, "e-m:w-i64:64-f80:128-n8:16:32:64-S128".GetSbytePtr());
                if (Environment.OSVersion.Platform == PlatformID.Unix)
                {
                    LLVM.SetTarget(Module, "x86_64-pc-linux-gnu".GetSbytePtr());
                }
                else
                {
                    LLVM.SetTarget(Module, "x86_64-pc-windows".GetSbytePtr());
                }
            }
        }
Example #5
0
        public void Intro()
        {
            using var module = LLVMModuleRef.CreateWithName("LLVMSharpIntro");

            var def = module.AddFunction(
                LLVMTypeRef.Int32, "sum", new[] { LLVMTypeRef.Int32, LLVMTypeRef.Int32 }, (f, b) =>
            {
                var p1  = f.Params[0];
                var p2  = f.Params[1];
                var add = b.BuildAdd(p1, p2);
                var ret = b.BuildRet(add);
            });

            module.Verify(LLVMVerifierFailureAction.LLVMPrintMessageAction);

            LLVM.InitializeNativeTarget();
            LLVM.InitializeNativeAsmParser();
            LLVM.InitializeNativeAsmPrinter();

            var engine   = module.CreateMCJITCompiler();
            var function = engine.GetPointerToGlobal <BinaryInt32Operation>(def);
            var result   = function(2, 2);

            Assert.AreEqual(4, result);
        }
Example #6
0
        public void ShiftsRight([Range(0, 256)] int op1, [Range(0, 8)] int op2)
        {
            using var module = LLVMModuleRef.CreateWithName("test_lshift");

            var def = module.AddFunction(
                LLVMTypeRef.Int32, "lshift", new[] { LLVMTypeRef.Int32, LLVMTypeRef.Int32 }, (f, b) =>
            {
                var p1    = f.Params[0];
                var p2    = f.Params[1];
                var shift = b.BuildLShr(p1, p2);
                var ret   = b.BuildRet(shift);
            });

            module.Verify(LLVMVerifierFailureAction.LLVMPrintMessageAction);

            LLVM.InitializeNativeTarget();
            LLVM.InitializeNativeAsmParser();
            LLVM.InitializeNativeAsmPrinter();

            var engine = module.CreateMCJITCompiler();
            var func   = engine.GetPointerToGlobal <Int32Int32Int32Delegate>(def);
            var result = op1 >> op2;

            Assert.AreEqual(result, func(op1, op2));
        }
Example #7
0
        public void CallsFunction([Range(0, 10)] int op1, [Range(0, 10)] int op2)
        {
            using (var module = LLVMModuleRef.CreateWithName("test_call"))
            {
                var defAdd = module.AddFunction(
                    LLVMTypeRef.Int32, "add", new[] { LLVMTypeRef.Int32, LLVMTypeRef.Int32 }, (f, b) =>
                {
                    var p1  = f.Params[0];
                    var p2  = f.Params[1];
                    var add = b.BuildAdd(p1, p2);
                    var ret = b.BuildRet(add);
                });
                var defEntry = module.AddFunction(
                    LLVMTypeRef.Int32, "entry", new[] { LLVMTypeRef.Int32, LLVMTypeRef.Int32 }, (f, b) =>
                {
                    var p1   = f.Params[0];
                    var p2   = f.Params[1];
                    var call = b.BuildCall(defAdd, new[] { p1, p2 });
                    var ret  = b.BuildRet(call);
                });
                module.Verify(LLVMVerifierFailureAction.LLVMPrintMessageAction);

                LLVM.InitializeNativeTarget();
                LLVM.InitializeNativeAsmParser();
                LLVM.InitializeNativeAsmPrinter();

                var engine = module.CreateMCJITCompiler();
                var func   = engine.GetPointerToGlobal <Int32Int32Int32Delegate>(defEntry);
                var result = op1 + op2;
                Assert.AreEqual(result, func(op1, op2));
            }
        }
        internal WebAssemblyCodegenCompilation(
            DependencyAnalyzerBase <NodeFactory> dependencyGraph,
            WebAssemblyCodegenNodeFactory nodeFactory,
            IEnumerable <ICompilationRootProvider> roots,
            ILProvider ilProvider,
            DebugInformationProvider debugInformationProvider,
            Logger logger,
            WebAssemblyCodegenConfigProvider options)
            : base(dependencyGraph, nodeFactory, GetCompilationRoots(roots, nodeFactory), ilProvider, debugInformationProvider, null, logger)
        {
            NodeFactory = nodeFactory;
            LLVMModuleRef m = LLVMModuleRef.CreateWithName("netscripten");

            m.Target = "wasm32-unknown-unknown-wasm";
            // https://llvm.org/docs/LangRef.html#langref-datalayout
            // e litte endian, mangled names
            // m:e ELF mangling
            // p:32:32 pointer size 32, abi 32
            // i64:64 64 ints aligned 64
            // n:32:64 native widths
            // S128 natural alignment of stack
            m.DataLayout = "e-m:e-p:32:32-i64:64-n32:64-S128";
            Module       = m;

            Options          = options;
            DIBuilder        = Module.CreateDIBuilder();
            DebugMetadataMap = new Dictionary <string, DebugMetadata>();
        }
Example #9
0
        public void CreateDebugLocation()
        {
            string        fileName  = Path.GetFileName("DIBuilder.c");
            string        directory = Path.GetDirectoryName(".");
            LLVMModuleRef module    = LLVMModuleRef.CreateWithName("netscripten");

            module.Target = "asmjs-unknown-emscripten";
            var             dIBuilder    = module.CreateDIBuilder();
            var             builder      = module.Context.CreateBuilder();
            LLVMMetadataRef fileMetadata = dIBuilder.CreateFile(fileName, directory);

            LLVMMetadataRef compileUnitMetadata = dIBuilder.CreateCompileUnit(
                LLVMDWARFSourceLanguage.LLVMDWARFSourceLanguageC,
                fileMetadata, "ILC", 0 /* Optimized */, String.Empty, 1, String.Empty,
                LLVMDWARFEmissionKind.LLVMDWARFEmissionFull, 0, 0, 0);

            module.AddNamedMetadataOperand("llvm.dbg.cu", compileUnitMetadata);

            LLVMMetadataRef functionMetaType = dIBuilder.CreateSubroutineType(fileMetadata,
                                                                              ReadOnlySpan <LLVMMetadataRef> .Empty, LLVMDIFlags.LLVMDIFlagZero);

            uint lineNumber    = 1;
            var  debugFunction = dIBuilder.CreateFunction(fileMetadata, "CreateDebugLocation", "CreateDebugLocation",
                                                          fileMetadata,
                                                          lineNumber, functionMetaType, 1, 1, lineNumber, 0, 0);
            LLVMMetadataRef currentLine =
                module.Context.CreateDebugLocation(lineNumber, 0, debugFunction, default(LLVMMetadataRef));

            LLVMTypeRef[] FooParamTys = { LLVMTypeRef.Int64, LLVMTypeRef.Int64, };
            LLVMTypeRef   FooFuncTy   = LLVMTypeRef.CreateFunction(LLVMTypeRef.Int64, FooParamTys);
            LLVMValueRef  FooFunction = module.AddFunction("foo", FooFuncTy);

            var funcBlock = module.Context.AppendBasicBlock(FooFunction, "foo");

            builder.PositionAtEnd(funcBlock);
            builder.BuildRet(LLVMValueRef.CreateConstInt(LLVMTypeRef.Int64, 0));
            builder.CurrentDebugLocation = module.Context.MetadataAsValue(currentLine);
            var dwarfVersion = LLVMValueRef.CreateMDNode(new[]
            {
                LLVMValueRef.CreateConstInt(LLVMTypeRef.Int32, 2), module.Context.GetMDString("Dwarf Version", 13),
                LLVMValueRef.CreateConstInt(LLVMTypeRef.Int32, 4)
            });
            var dwarfSchemaVersion = LLVMValueRef.CreateMDNode(new[]
            {
                LLVMValueRef.CreateConstInt(LLVMTypeRef.Int32, 2),
                module.Context.GetMDString("Debug Info Version", 18),
                LLVMValueRef.CreateConstInt(LLVMTypeRef.Int32, 3)
            });

            module.AddNamedMetadataOperand("llvm.module.flags", dwarfVersion);
            module.AddNamedMetadataOperand("llvm.module.flags", dwarfSchemaVersion);
            dIBuilder.DIBuilderFinalize();

            module.TryVerify(LLVMVerifierFailureAction.LLVMPrintMessageAction, out string message);

            Assert.AreEqual("", message);
        }
Example #10
0
        public void SetsAndGetsDataLayout()
        {
            var module = LLVMModuleRef.CreateWithName("test");

            {
                const string ExampleDataLayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128";
                module.DataLayout = ExampleDataLayout;
                Assert.AreEqual(ExampleDataLayout, module.DataLayout);
            }
            module.Dispose();
        }
Example #11
0
        public void SetsAndGetsTarget()
        {
            var module = LLVMModuleRef.CreateWithName("test");

            {
                const string ExampleTarget = "x86_64-pc-windows-msvc";
                module.Target = ExampleTarget;
                Assert.AreEqual(ExampleTarget, module.Target);
            }
            module.Dispose();
        }
Example #12
0
        public Module(string name, DirectoryInfo rootDirectory, GlobalCompilationContext context)
        {
            Name          = name;
            Context       = context;
            LlvmModule    = LLVMModuleRef.CreateWithName(name);
            StrConstants  = new Dictionary <string, Value>();
            Constants     = new Dictionary <LLVMValueRef, Value>();
            RootNamespace = new Namespace(this, rootDirectory);

            _foreignFunctions = new Dictionary <Function, Function>();
        }
Example #13
0
        public void SizeTest()
        {
            LLVMModuleRef          m          = LLVMModuleRef.CreateWithName("netscripten");
            LLVMExecutionEngineRef engineRef  = m.CreateExecutionEngine();
            LLVMTargetDataRef      target     = engineRef.TargetData;
            LLVMTypeRef            testStruct = LLVMTypeRef.CreateStruct(
                new[]
            {
                LLVMTypeRef.Int16,
                LLVMTypeRef.Int32
            }, true);

            Assert.AreEqual(48, target.SizeOfTypeInBits(testStruct));
            Assert.AreEqual(6, target.StoreSizeOfType(testStruct));
            Assert.AreEqual(6, target.ABISizeOfType(testStruct));
        }
Example #14
0
        public void TestMethod1()
        {
            LLVM.LinkInMCJIT();
            LLVM.InitializeX86TargetMC();
            LLVM.InitializeX86Target();
            LLVM.InitializeX86TargetInfo();
            LLVM.InitializeX86AsmParser();
            LLVM.InitializeX86AsmPrinter();
            var mod     = LLVMModuleRef.CreateWithName("Test1");
            var options = LLVMMCJITCompilerOptions.Create();

            options.NoFramePointerElim = 1;
            var engine = mod.CreateMCJITCompiler(ref options);

            LLVMTypeRef[] paramsType = { LLVMTypeRef.Int32 };
            var           funcType   = LLVMTypeRef.CreateFunction(LLVMTypeRef.Int32, paramsType, false);
            var           acc        = mod.AddFunction("acc", funcType);
            var           gs         = mod.AddGlobal(LLVMTypeRef.Int32, "gs");
            var           entry      = acc.AppendBasicBlock("entry");
            var           builder    = mod.Context.CreateBuilder();

            builder.PositionAtEnd(entry);
            var tmp  = builder.BuildLoad(gs);
            var tmp2 = builder.BuildMul(tmp, acc.GetParam(0), "".AsSpan());

            builder.BuildStore(tmp2, gs);
            builder.BuildRet(tmp2);
            if (!mod.TryVerify(LLVMVerifierFailureAction.LLVMPrintMessageAction, out var error))
            {
                Trace.WriteLine(error);
            }
            builder.Dispose();
            object gsActual = 1;
            var    handle   = GCHandle.Alloc(gsActual, GCHandleType.Pinned);

            engine.AddGlobalMapping(gs, handle.AddrOfPinnedObject());
            var accMethod = engine.GetPointerToGlobal <Add>(acc);
            var gsAddr    = engine.GetPointerToGlobal(gs);

            Assert.AreEqual(2, accMethod(2));
            Assert.AreEqual(8, accMethod(4));
            Assert.AreEqual(8, gsActual);
            Trace.WriteLine(mod.PrintToString());
            engine.Dispose();
            handle.Free();
        }
Example #15
0
        public void OffsetTest()
        {
            LLVMModuleRef          m          = LLVMModuleRef.CreateWithName("netscripten");
            LLVMExecutionEngineRef engineRef  = m.CreateExecutionEngine();
            LLVMTargetDataRef      target     = engineRef.TargetData;
            LLVMTypeRef            testStruct = LLVMTypeRef.CreateStruct(
                new[]
            {
                LLVMTypeRef.Int16,
                LLVMTypeRef.Int32
            }, true);

            Assert.AreEqual(0, target.OffsetOfElement(testStruct, 0));
            Assert.AreEqual(2, target.OffsetOfElement(testStruct, 1));

            Assert.AreEqual(target.ElementAtOffset(testStruct, 0), 0);
            Assert.AreEqual(target.ElementAtOffset(testStruct, 2), 1);
        }
Example #16
0
        public void ReturnsSizeOf()
        {
            using (var module = LLVMModuleRef.CreateWithName("test_sizeof"))
            {
                var str = LLVMTypeRef.CreateStruct(new[] { LLVMTypeRef.Int32, LLVMTypeRef.Int32 }, true);
                var def = module.AddFunction(
                    LLVMTypeRef.Int32, "structure", Array.Empty <LLVMTypeRef>(), (f, b) =>
                {
                    var sz   = str.SizeOf;
                    var sz32 = b.BuildBitCast(sz, LLVMTypeRef.Int32);
                    var ret  = b.BuildRet(sz32);
                });
                module.Verify(LLVMVerifierFailureAction.LLVMPrintMessageAction);

                LLVM.InitializeNativeTarget();
                LLVM.InitializeNativeAsmParser();
                LLVM.InitializeNativeAsmPrinter();

                var engine = module.CreateMCJITCompiler();
                var func   = engine.GetPointerToGlobal <Int32Delegate>(def);
                Assert.AreEqual(8, func());
            }
        }
Example #17
0
        public void AlignmentTest()
        {
            LLVMModuleRef m = LLVMModuleRef.CreateWithName("netscripten");

            m.Target     = "wasm32-unknown-unknown-wasm";
            m.DataLayout = "e-m:e-p:32:32-i64:64-n32:64-S128";
            LLVMExecutionEngineRef engineRef  = m.CreateExecutionEngine();
            LLVMTargetDataRef      target     = engineRef.TargetData;
            LLVMTypeRef            testStruct = LLVMTypeRef.CreateStruct(
                new[]
            {
                LLVMTypeRef.Int16,
                LLVMTypeRef.Int32
            }, true);

            Assert.AreEqual(1, target.ABIAlignmentOfType(testStruct));
            Assert.AreEqual(1, target.CallFrameAlignmentOfType(testStruct));
            Assert.AreEqual(8, target.PreferredAlignmentOfType(testStruct));

            LLVMValueRef global = m.AddGlobal(LLVMTypeRef.CreatePointer(LLVMTypeRef.Int8, 0), "someGlobal");

            Assert.AreEqual(4, target.PreferredAlignmentOfGlobal(global));
        }
Example #18
0
        public void ReturnsConstant([Range(0, 10)] int input)
        {
            var uInput = (uint)input;

            using (var module = LLVMModuleRef.CreateWithName("test_constant"))
            {
                var def = module.AddFunction(
                    LLVMTypeRef.Int32, "constant", Array.Empty <LLVMTypeRef>(), (f, b) =>
                {
                    var value = LLVMValueRef.CreateConstInt(LLVMTypeRef.Int32, uInput);
                    var ret   = b.BuildRet(value);
                });
                module.Verify(LLVMVerifierFailureAction.LLVMPrintMessageAction);

                LLVM.InitializeNativeTarget();
                LLVM.InitializeNativeAsmParser();
                LLVM.InitializeNativeAsmPrinter();

                var engine = module.CreateMCJITCompiler();
                var func   = engine.GetPointerToGlobal <Int32Delegate>(def);
                Assert.AreEqual(input, func());
            }
        }
Example #19
0
        private void ExecuteCode()
        {
            var                    globals = new Dictionary <string, GCHandle>();
            LLVMModuleRef          mod;
            LLVMExecutionEngineRef engine = null;

            try {
                SymbolTable.IsReadOnly = true;
                mod = LLVMModuleRef.CreateWithName("main");
                var options = LLVMMCJITCompilerOptions.Create();
                engine = mod.CreateMCJITCompiler(ref options);
                var builder      = mod.Context.CreateBuilder();
                var globalSource = SymbolTable.ItemsSource as ICollection <SymbolEntry>;
                var globalStore  = new Dictionary <string, object>();
                foreach (var k in globalSource)
                {
                    globalStore.Add(k.Name, k.Value);
                }

                foreach (var kv in globalStore)
                {
                    globals.Add(kv.Key, GCHandle.Alloc(kv.Value, GCHandleType.Pinned));
                }

                var fpm = mod.CreateFunctionPassManager();
                fpm.AddPromoteMemoryToRegisterPass();
                fpm.AddInstructionCombiningPass();
                fpm.AddReassociatePass();
                fpm.AddGVNPass();
                fpm.AddCFGSimplificationPass();
                fpm.InitializeFunctionPassManager();
                var symT     = ProcessGlobals(mod, engine, globals);
                var lexicals = new List <LexicalElement>();
                try {
                    using (var ms = new MemoryStream()) {
                        var writer = new StreamWriter(ms);
                        writer.Write(Editor.Document.CurrentSnapshot.GetText(LineTerminator.Newline));
                        writer.Flush();
                        ms.Seek(0L, SeekOrigin.Begin);
                        var reader = new StreamReader(ms);
                        var l      = new LexerStateMachine(reader);
                        l.AdvanceChar();
                        LexicalElement t;
                        while ((t = l.NextToken()) != null)
                        {
                            if (t is LineFeedElement)
                            {
                                continue;
                            }
                            lexicals.Add(t);
                        }
                    }
                } catch (Exception ex) {
                    MessageBox.Show(ex.Message, "词法错误", MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }

                var        exceptions = new List <SyntaxException>();
                SyntaxNode treeRoot;
                try {
                    treeRoot = slr1Driver.Parse(new Queue <LexicalElement>(lexicals),
                                                CommonUtils.Closure(
                                                    new HashSet <Item>()
                    {
                        new Item()
                        {
                            ProductionRule = PascalDefinition.ProductionRules[0], Cursor = 0
                        }
                    },
                                                    generator.ProductionDict), typeof(SNode), null, exceptions);
                    if (exceptions.Count > 0)
                    {
                        StringBuilder sb = new StringBuilder();
                        sb.Append($"语法分析器共检测到{exceptions.Count}个错误\n\n");
                        foreach (var exception in exceptions)
                        {
                            sb.Append(exception.Message);
                            sb.Append('\n');
                        }

                        MessageBox.Show(sb.ToString(), "错误", MessageBoxButton.OK, MessageBoxImage.Error);
                        return;
                    }
                } catch (SyntaxException ex) {
                    StringBuilder sb = new StringBuilder();
                    sb.Append($"语法分析器共检测到{exceptions.Count}个错误,无法恢复\n\n");
                    foreach (var exception in exceptions)
                    {
                        sb.Append(exception.Message);
                        sb.Append('\n');
                    }

                    MessageBox.Show(sb.ToString(), $"语法分析错误", MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }

                var translator = new LLVMTranslator.LLVMTranslator(mod, engine, builder, symT);
                translator.Visit(treeRoot);
                fpm.RunFunctionPassManager(translator.func);
                IrBox.Text = mod.PrintToString();
                PM main = engine.GetPointerToGlobal <PM>(translator.func);
                main();
                foreach (var symbolEntry in globalSource)
                {
                    symbolEntry.Value = (int)globalStore[symbolEntry.Name];
                }
            } catch (Exception e) {
                MessageBox.Show(e.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
            } finally {
                SymbolTable.IsReadOnly = false;
                if (engine != null)
                {
                    engine.Dispose();
                }
                foreach (var kv in globals)
                {
                    kv.Value.Free();
                }
            }
        }
Example #20
0
        public void LLVMTest2()
        {
            LLVM.LinkInMCJIT();
            LLVM.InitializeX86TargetMC();
            LLVM.InitializeX86Target();
            LLVM.InitializeX86TargetInfo();
            LLVM.InitializeX86AsmParser();
            LLVM.InitializeX86AsmPrinter();
            var mod     = LLVMModuleRef.CreateWithName("Test1");
            var options = LLVMMCJITCompilerOptions.Create();

            options.NoFramePointerElim = 1;
            var engine   = mod.CreateMCJITCompiler(ref options);
            var builder  = mod.Context.CreateBuilder();
            var lexicals = new List <LexicalElement>();
            var globals  = new LLVMSymbolTable(null);

            globals.Add("z", mod.AddGlobal(LLVMTypeRef.Int32, "z"));
            object z      = 0;
            var    handle = GCHandle.Alloc(z, GCHandleType.Pinned);

            engine.AddGlobalMapping(globals["z"], handle.AddrOfPinnedObject());
            using (var fs = new FileStream("D:\\Repos\\PascalCompiler\\SyntaxAnalyzerTest\\test_source2.txt", FileMode.Open)) {
                using (var ss = new StreamReader(fs)) {
                    var l = new LexerStateMachine(ss);
                    l.AdvanceChar();
                    LexicalElement t;
                    while ((t = l.NextToken()) != null)
                    {
                        if (t is LineFeedElement)
                        {
                            continue;
                        }
                        lexicals.Add(t);
                    }
                }
            }
            var        history    = new List <ParserConfiguration>();
            var        exceptions = new List <SyntaxException>();
            SyntaxNode treeRoot;
            var        generator = new Generator(PascalDefinition.ProductionRules);
            var        slr1Table = generator.Generate(PascalDefinition.NonTerminalKey.Start);

            slr1Table.AllowedErrorRecoveryKey.Add(PascalDefinition.NonTerminalKey.Statement, () => new StatementNode(new SyntaxNode[0]));
            var slr1Driver = new Slr1Driver(slr1Table);

            treeRoot = slr1Driver.Parse(new Queue <LexicalElement>(lexicals),
                                        CommonUtils.Closure(
                                            new HashSet <Item>()
            {
                new Item()
                {
                    ProductionRule = PascalDefinition.ProductionRules[0], Cursor = 0
                }
            },
                                            generator.ProductionDict), typeof(SNode), history, exceptions);
            var translator =
                new LLVMTranslator.LLVMTranslator(mod, engine, builder, globals);

            translator.Visit(treeRoot);
            if (!mod.TryVerify(LLVMVerifierFailureAction.LLVMPrintMessageAction, out var error))
            {
                Trace.WriteLine(error);
            }
            Trace.WriteLine(mod.PrintToString());
            PM a = engine.GetPointerToGlobal <PM>(translator.func);

            a();
            builder.Dispose();
            engine.Dispose();
            handle.Free();
        }