private ExecutionContext(Block block, object[] arguments)
{
this.block = block;
this.Stack = new ArrayList(5);
this.arguments = arguments;
if (this.block.NoLocals > 0)
this.locals = new object[this.block.NoLocals];
else
this.locals = null;
// TODO refactor to no copy of arguments and locals
this.arguments = arguments;
if (block.Closure != null)
{
this.self = block.Closure.Self;
this.nativeSelf = block.Closure.NativeSelf;
int nlocs = block.NoLocals - block.Closure.NoLocals;
if (nlocs > 0)
this.locals = new object[nlocs];
else
this.locals = null;
}
else
{
if (this.block.NoLocals > 0)
this.locals = new object[this.block.NoLocals];
else
this.locals = null;
}
}
public ExecutionContext(Machine machine, IObject self, Block block, object[] arguments)
: this(block, arguments)
{
// this.self = receiver; // TODO review
this.machine = machine;
this.self = self;
}
public void BeCreated()
{
Machine machine = new Machine();
IClass cls = machine.CreateClass("TestClass");
IBlock block = new Block();
Assert.IsNotNull(block);
}
public Block CompileBlock(string text)
{
ModelParser parser = new ModelParser(text);
var expr = parser.ParseBlock();
Block block = new Block(text);
BytecodeCompiler compiler = new BytecodeCompiler(block);
compiler.CompileExpression(expr);
return block;
}
public void NewProcess()
{
Machine machine = new Machine();
Block block = new Block();
Process process = new Process(block, null, machine);
Assert.AreSame(machine, process.Machine);
Assert.AreSame(block, process.Block);
Assert.IsNull(process.Arguments);
}
public void DecompileGetIntegerConstantAsString()
{
Block block = new Block();
block.CompileGetConstant(1);
BlockDecompiler decompiler = new BlockDecompiler(block);
var result = decompiler.DecompileAsString();
Assert.IsNotNull(result);
Assert.AreEqual("{ GetConstant 1 }", result);
}
public void ValidateBlock(Block block)
{
BlockDecompiler decompiler = new BlockDecompiler(block);
var result = decompiler.Decompile();
Assert.IsNotNull(result);
Assert.AreEqual(this.compiled.Count, result.Count, this.text);
for (int k = 0; k < this.compiled.Count; k++)
Assert.AreEqual(this.compiled[k], result[k], this.text);
}
public void DecompileGetIntegerConstant()
{
Block block = new Block();
block.CompileGetConstant(1);
BlockDecompiler decompiler = new BlockDecompiler(block);
var result = decompiler.Decompile();
Assert.IsNotNull(result);
Assert.AreEqual(1, result.Count);
Assert.AreEqual("GetConstant 1", result[0]);
}
public void DecompileGetGlobalVariable()
{
Block block = new Block();
block.CompileGet("foo");
BlockDecompiler decompiler = new BlockDecompiler(block);
var result = decompiler.Decompile();
Assert.IsNotNull(result);
Assert.AreEqual(1, result.Count);
Assert.AreEqual("GetGlobalVariable foo", result[0]);
}
public void CompileExpressions()
{
IList<ExpressionResult> results = ExpressionResult.LoadExpressionResults("Expressions.txt");
foreach (var result in results)
{
ModelParser parser = new ModelParser(result.Text);
Block block = new Block();
BytecodeCompiler compiler = new BytecodeCompiler(block);
compiler.CompileExpression(parser.ParseExpression());
result.ValidateBlock(block);
}
}
public void CompileAndExecuteGetDotNetType()
{
Block block;
block = new Block();
block.CompileGetDotNetType("System.IO.FileInfo");
block.CompileByteCode(ByteCode.ReturnPop);
object obj = block.Execute(null, null);
Assert.IsNotNull(obj);
Assert.IsInstanceOfType(obj, typeof(System.Type));
}
public void DecompileGetConstants()
{
Block block = new Block();
block.CompileGetConstant(1);
block.CompileGetConstant("foo");
BlockDecompiler decompiler = new BlockDecompiler(block);
var result = decompiler.Decompile();
Assert.IsNotNull(result);
Assert.AreEqual(2, result.Count);
Assert.AreEqual("GetConstant 1", result[0]);
Assert.AreEqual("GetConstant \"foo\"", result[1]);
}
public Block CompileBlock()
{
this.block = new Block(this.source, this.outer);
this.CompileBlockArguments();
this.CompileLocals();
// TODO review why to use this.locals instead of this.block.CompileLocal directly
foreach (string argname in this.arguments)
this.block.CompileArgument(argname);
foreach (string locname in this.locals)
this.block.CompileLocal(locname);
this.CompileBody();
return this.block;
}
public void CreateAndInvokeAgentUsingInterpreter()
{
Machine machine = new Machine();
Block block = new Block();
AjTalk.Language.ExecutionContext context = new AjTalk.Language.ExecutionContext(machine, null, block, null);
Interpreter interpreter = new Interpreter(context);
ManualResetEvent handle = new ManualResetEvent(false);
bool executed = false;
AgentObject agent = new AgentObject();
agent.ExecuteMethod(
interpreter,
new FunctionalMethod((x, y, args) =>
{
executed = true;
return handle.Set();
}),
null);
handle.WaitOne();
Assert.IsTrue(executed);
}
public void CompilePharoCoreRectangle()
{
ChunkReader chunkCoreReader = new ChunkReader(@"PharoCoreKernelObjects.st");
CodeReader coreReader = new CodeReader(chunkCoreReader);
ChunkReader chunkReader = new ChunkReader(@"PharoCoreRectangle.st");
CodeReader reader = new CodeReader(chunkReader);
CodeModel model = new CodeModel();
coreReader.Process(model);
reader.Process(model);
foreach (var element in model.Elements)
{
Block block = new Block();
BytecodeCompiler compiler = new BytecodeCompiler(block);
element.Visit(compiler);
if (element is MethodModel && ((MethodModel)element).Body == null)
continue;
Assert.IsNotNull(block.ByteCodes);
}
}
public Block(string sourcecode, Block outer)
{
this.sourcecode = sourcecode;
this.outer = outer;
}
private void CompileMethod(IBehavior cls)
{
this.CompileArguments();
this.CompileLocals();
this.block = new Method(cls, this.methodname, this.source);
foreach (string argname in this.arguments)
{
this.block.CompileArgument(argname);
}
foreach (string locname in this.locals)
{
this.block.CompileLocal(locname);
}
this.CompileBody();
}
public void CompileJumpAt()
{
Block block = new Block();
block.CompileByteCode((ByteCode)1);
block.CompileByteCode((ByteCode)2);
block.CompileByteCode((ByteCode)3);
block.CompileInsert(1, 3);
block.CompileJumpByteCodeAt(ByteCode.Jump, 10, 1);
Assert.AreEqual(6, block.Bytecodes.Length);
Assert.AreEqual(1, block.Bytecodes[0]);
Assert.AreEqual((byte)ByteCode.Jump, block.Bytecodes[1]);
Assert.AreEqual(0, block.Bytecodes[2]);
Assert.AreEqual(10, block.Bytecodes[3]);
Assert.AreEqual(2, block.Bytecodes[4]);
Assert.AreEqual(3, block.Bytecodes[5]);
}
public ExecutionContext(Machine machine, object nativeself, Block block, object[] arguments)
: this(block, arguments)
{
this.machine = machine;
this.nativeSelf = nativeself;
}
public override void Visit(BlockExpression expression)
{
Block newblock = new Block(null, this.block);
// TODO Review is the copy of argument and local names is needed
foreach (var parname in this.block.ParameterNames)
newblock.CompileArgument(parname);
foreach (var locname in this.block.LocalNames)
newblock.CompileLocal(locname);
if (expression.ParameterNames != null)
foreach (var parname in expression.ParameterNames)
newblock.CompileArgument(parname);
if (expression.LocalVariables != null)
foreach (var locname in expression.LocalVariables)
newblock.CompileLocal(locname);
var compiler = new BytecodeCompiler(newblock);
compiler.Visit(expression.Body);
this.block.CompileGetBlock(newblock);
}
public BytecodeCompiler(Block block)
{
this.block = block;
}
public void CompileWithLocals()
{
Machine machine = new Machine();
IClass cls = machine.CreateClass("TestClass");
cls.DefineInstanceVariable("x");
Block block;
block = new Block();
block.CompileArgument("newX");
block.CompileLocal("l");
block.CompileGet("newX");
block.CompileSet("l");
Assert.AreEqual(1, block.NoLocals);
Assert.IsNotNull(block.ByteCodes);
Assert.IsTrue(block.ByteCodes.Length > 0);
}
public void CompileJumps()
{
Block block = new Block();
block.CompileJumpByteCode(ByteCode.Jump, 10);
block.CompileJumpByteCode(ByteCode.JumpIfFalse, 256);
block.CompileJumpByteCode(ByteCode.JumpIfTrue, 1024);
Assert.AreEqual(9, block.Bytecodes.Length);
Assert.AreEqual((byte)ByteCode.Jump, block.Bytecodes[0]);
Assert.AreEqual(0, block.Bytecodes[1]);
Assert.AreEqual(10, block.Bytecodes[2]);
Assert.AreEqual((byte)ByteCode.JumpIfFalse, block.Bytecodes[3]);
Assert.AreEqual(1, block.Bytecodes[4]);
Assert.AreEqual(0, block.Bytecodes[5]);
Assert.AreEqual((byte)ByteCode.JumpIfTrue, block.Bytecodes[6]);
Assert.AreEqual(4, block.Bytecodes[7]);
Assert.AreEqual(0, block.Bytecodes[8]);
}
public void CompileAndRun()
{
Machine machine = new Machine();
Block block;
block = new Block();
block.CompileArgument("newX");
block.CompileGet("newX");
block.CompileSet("GlobalX");
block.Execute(machine, new object[] { 10 });
Assert.AreEqual(10, machine.GetGlobalObject("GlobalX"));
}
public void ExecuteEmptyBlock()
{
Block block;
block = new Block();
object obj = block.Execute((Machine)null, null);
Assert.IsNull(obj);
}
public void Setup()
{
this.block = new Block();
this.compiler = new BytecodeCompiler(this.block);
}
public void GetInstanceVariableOffsetWithOuter()
{
Machine machine = new Machine();
IClass cls = machine.CreateClass("TestClass");
cls.DefineInstanceVariable("x");
Method method = new Method(cls, "mymethod");
Block block = new Block("x", method);
Assert.AreEqual(0, block.GetInstanceVariableOffset("x"));
}
public void GetInstanceVariableOffset()
{
Block block = new Block();
Assert.AreEqual(-1, block.GetInstanceVariableOffset("x"));
}
internal static void CompileFile(string filename)
{
ChunkReader chunkReader = new ChunkReader(filename);
CodeReader reader = new CodeReader(chunkReader);
CodeModel model = new CodeModel();
reader.Process(model);
foreach (var element in model.Elements)
{
Block block = new Block();
BytecodeCompiler compiler = new BytecodeCompiler(block);
element.Visit(compiler);
if (element is MethodModel && ((MethodModel)element).Body == null)
continue;
Assert.IsNotNull(block.ByteCodes);
}
}
public void CompileAndExecuteNewDotNetObject()
{
Block block;
block = new Block();
block.CompileGetDotNetType("System.IO.FileInfo");
block.CompileGetConstant("FooBar.txt");
block.CompileSend("!new:");
block.CompileByteCode(ByteCode.ReturnPop);
object obj = block.Execute(null, null);
Assert.IsNotNull(obj);
Assert.IsInstanceOfType(obj, typeof(System.IO.FileInfo));
}