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JVMVisitor.java
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JVMVisitor.java
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package org.jruby.ir.targets;
import org.jruby.Ruby;
import org.jruby.RubyBoolean;
import org.jruby.RubyClass;
import org.jruby.RubyModule;
import org.jruby.RubyString;
import org.jruby.compiler.impl.SkinnyMethodAdapter;
import org.jruby.internal.runtime.methods.CompiledIRMethod;
import org.jruby.ir.IRClassBody;
import org.jruby.ir.IRVisitor;
import org.jruby.ir.IRMetaClassBody;
import org.jruby.ir.IRClosure;
import org.jruby.ir.IRMethod;
import org.jruby.ir.IRModuleBody;
import org.jruby.ir.IRScope;
import org.jruby.ir.IRScriptBody;
import org.jruby.ir.Tuple;
import org.jruby.ir.instructions.*;
import org.jruby.ir.instructions.defined.BackrefIsMatchDataInstr;
import org.jruby.ir.instructions.defined.ClassVarIsDefinedInstr;
import org.jruby.ir.instructions.defined.GetBackrefInstr;
import org.jruby.ir.instructions.defined.GetDefinedConstantOrMethodInstr;
import org.jruby.ir.instructions.defined.GetErrorInfoInstr;
import org.jruby.ir.instructions.defined.GlobalIsDefinedInstr;
import org.jruby.ir.instructions.defined.HasInstanceVarInstr;
import org.jruby.ir.instructions.defined.IsMethodBoundInstr;
import org.jruby.ir.instructions.defined.MethodDefinedInstr;
import org.jruby.ir.instructions.defined.MethodIsPublicInstr;
import org.jruby.ir.instructions.defined.RestoreErrorInfoInstr;
import org.jruby.ir.instructions.defined.SuperMethodBoundInstr;
import org.jruby.ir.instructions.ruby18.ReceiveOptArgInstr18;
import org.jruby.ir.instructions.ruby18.ReceiveRestArgInstr18;
import org.jruby.ir.instructions.ruby19.BuildLambdaInstr;
import org.jruby.ir.instructions.ruby19.GetEncodingInstr;
import org.jruby.ir.instructions.ruby19.ReceiveOptArgInstr19;
import org.jruby.ir.instructions.ruby19.ReceivePostReqdArgInstr;
import org.jruby.ir.instructions.ruby19.ReceiveRestArgInstr19;
import org.jruby.ir.operands.Array;
import org.jruby.ir.operands.AsString;
import org.jruby.ir.operands.Backref;
import org.jruby.ir.operands.BacktickString;
import org.jruby.ir.operands.Bignum;
import org.jruby.ir.operands.BooleanLiteral;
import org.jruby.ir.operands.ClosureLocalVariable;
import org.jruby.ir.operands.CompoundArray;
import org.jruby.ir.operands.CompoundString;
import org.jruby.ir.operands.CurrentScope;
import org.jruby.ir.operands.DynamicSymbol;
import org.jruby.ir.operands.Fixnum;
import org.jruby.ir.operands.GlobalVariable;
import org.jruby.ir.operands.Hash;
import org.jruby.ir.operands.IRException;
import org.jruby.ir.operands.Label;
import org.jruby.ir.operands.MethAddr;
import org.jruby.ir.operands.MethodHandle;
import org.jruby.ir.operands.Nil;
import org.jruby.ir.operands.NthRef;
import org.jruby.ir.operands.ObjectClass;
import org.jruby.ir.operands.Operand;
import org.jruby.ir.operands.Range;
import org.jruby.ir.operands.Regexp;
import org.jruby.ir.operands.SValue;
import org.jruby.ir.operands.ScopeModule;
import org.jruby.ir.operands.Self;
import org.jruby.ir.operands.Splat;
import org.jruby.ir.operands.StandardError;
import org.jruby.ir.operands.StringLiteral;
import org.jruby.ir.operands.Symbol;
import org.jruby.ir.operands.TemporaryClosureVariable;
import org.jruby.ir.operands.TemporaryVariable;
import org.jruby.ir.operands.UndefinedValue;
import org.jruby.ir.operands.UnexecutableNil;
import org.jruby.ir.operands.Variable;
import org.jruby.ir.operands.WrappedIRClosure;
import org.jruby.runtime.Helpers;
import org.jruby.parser.StaticScope;
import org.jruby.runtime.Block;
import org.jruby.runtime.CallType;
import org.jruby.runtime.DynamicScope;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.Visibility;
import org.jruby.runtime.builtin.IRubyObject;
import org.jruby.runtime.builtin.InstanceVariables;
import org.jruby.util.JRubyClassLoader;
import java.util.Map;
import org.jruby.RubyArray;
import org.jruby.RubyRange;
import org.jruby.ast.util.ArgsUtil;
import static org.jruby.util.CodegenUtils.ci;
import static org.jruby.util.CodegenUtils.p;
import static org.jruby.util.CodegenUtils.sig;
import org.objectweb.asm.Type;
import org.objectweb.asm.commons.Method;
/**
* Implementation of IRCompiler for the JVM.
*/
public class JVMVisitor extends IRVisitor {
public static final String DYNAMIC_SCOPE = "$dynamicScope";
public JVMVisitor() {
this.jvm = new JVM();
}
public static Class compile(Ruby ruby, IRScope scope, JRubyClassLoader jrubyClassLoader) {
// run compiler
JVMVisitor target = new JVMVisitor();
target.codegen(scope);
// try {
// FileOutputStream fos = new FileOutputStream("tmp.class");
// fos.write(target.code());
// fos.close();
// } catch (Exception e) {
// e.printStackTrace();
// }
return jrubyClassLoader.defineClass(JVM.scriptToClass(scope.getName()), target.code());
}
public byte[] code() {
return jvm.code();
}
public void codegen(IRScope scope) {
if (scope instanceof IRScriptBody) {
codegen((IRScriptBody)scope);
}
}
public void codegen(IRScriptBody script) {
this.script = script;
emit(script);
}
public String emitScope(IRScope scope, String name, int arity) {
this.currentScope = scope;
name = name + scope.getLineNumber();
jvm.pushmethod(name, arity);
Tuple<Instr[], Map<Integer,Label[]>> t = scope.prepareForCompilation();
Instr[] instrs = t.a;
Map<Integer, Label[]> jumpTable = t.b;
IRBytecodeAdapter m = jvm.method();
for (int i = 0; i < instrs.length; i++) {
Instr instr = instrs[i];
if (jumpTable.get(i) != null) {
for (Label label : jumpTable.get(i)) m.mark(jvm.methodData().getLabel(label));
}
visit(instr);
}
jvm.popmethod();
return name;
}
public void emit(IRScriptBody script) {
String clsName = jvm.scriptToClass(script.getName());
jvm.pushscript(clsName, script.getFileName());
emitScope(script, "__script__", 0);
jvm.cls().visitEnd();
jvm.popclass();
}
public void emit(IRMethod method) {
String name = emitScope(method, method.getName(), method.getCallArgs().length);
// push a method handle for binding purposes
jvm.method().pushHandle(jvm.clsData().clsName, name, method.getStaticScope().getRequiredArgs());
}
public void emit(IRModuleBody method) {
String name = method.getName();
if (name.indexOf("DUMMY_MC") != -1) {
name = "METACLASS";
}
name = emitScope(method, name, 0);
// push a method handle for binding purposes
jvm.method().pushHandle(jvm.clsData().clsName, name, method.getStaticScope().getRequiredArgs());
}
@Override
public void visit(Instr instr) {
instr.visit(this);
}
@Override
public void visit(Operand operand) {
if (operand.hasKnownValue()) {
operand.visit(this);
} else if (operand instanceof Variable) {
emitVariable((Variable)operand);
} else {
operand.visit(this);
}
}
private int getJVMLocalVarIndex(Variable variable) {
return jvm.methodData().local(variable);
}
private int getJVMLocalVarIndex(String specialVar) {
return jvm.methodData().local(specialVar);
}
private org.objectweb.asm.Label getJVMLabel(Label label) {
return jvm.methodData().getLabel(label);
}
private void jvmStoreLocal(Variable variable) {
jvm.method().storeLocal(getJVMLocalVarIndex(variable));
}
private void jvmStoreLocal(String specialVar) {
jvm.method().storeLocal(getJVMLocalVarIndex(specialVar));
}
private void jvmLoadLocal(Variable variable) {
jvm.method().loadLocal(getJVMLocalVarIndex(variable));
}
private void jvmLoadLocal(String specialVar) {
jvm.method().loadLocal(getJVMLocalVarIndex(specialVar));
}
public void emitVariable(Variable variable) {
// System.out.println("variable: " + variable);
int index = getJVMLocalVarIndex(variable);
// System.out.println("index: " + index);
jvm.method().loadLocal(index);
}
// JVM maintains a stack of ClassData (for nested classes being compiled)
// Each class maintains a stack of MethodData (for methods being compiled in the class)
// MethodData wraps a IRBytecodeAdapter which wraps a SkinnyMethodAdapter which has a ASM MethodVisitor which emits bytecode
// A long chain of indirection: JVM -> MethodData -> IRBytecodeAdapter -> SkinnyMethodAdapter -> ASM.MethodVisitor
// In some places, methods reference JVM -> MethodData -> IRBytecodeAdapter (via jvm.method()) and ask it to walk the last 2 links
// In other places, methods reference JVM -> MethodData -> IRBytecodeAdapter -> SkinnyMethodAdapter (via jvm.method().adapter) and ask it to walk the last link
// Can this be cleaned up to either (a) get rid of IRBytecodeAdapter OR (b) implement passthru' methods for SkinnyMethodAdapter methods (like the others it implements)?
@Override
public void AliasInstr(AliasInstr aliasInstr) {
IRBytecodeAdapter m = jvm.method();
m.loadLocal(0);
m.loadLocal(getJVMLocalVarIndex(aliasInstr.getReceiver()));
m.adapter.ldc(((StringLiteral) aliasInstr.getNewName()).string);
m.adapter.ldc(((StringLiteral) aliasInstr.getOldName()).string);
m.invokeHelper("defineAlias", IRubyObject.class, ThreadContext.class, IRubyObject.class, Object.class, Object.class);
m.adapter.pop();
}
@Override
public void AttrAssignInstr(AttrAssignInstr attrAssignInstr) {
jvm.method().loadLocal(0);
visit(attrAssignInstr.getReceiver());
for (Operand operand : attrAssignInstr.getCallArgs()) {
visit(operand);
}
jvm.method().invokeOther(attrAssignInstr.getMethodAddr().getName(), attrAssignInstr.getCallArgs().length);
jvm.method().adapter.pop();
}
@Override
public void BEQInstr(BEQInstr beqInstr) {
Operand[] args = beqInstr.getOperands();
jvm.method().loadLocal(0);
visit(args[0]);
visit(args[1]);
jvm.method().invokeHelper("BEQ", boolean.class, ThreadContext.class, IRubyObject.class, IRubyObject.class);
jvm.method().adapter.iftrue(getJVMLabel(beqInstr.getJumpTarget()));
}
@Override
public void BFalseInstr(BFalseInstr bFalseInstr) {
visit(bFalseInstr.getArg1());
jvm.method().isTrue();
jvm.method().bfalse(getJVMLabel(bFalseInstr.getJumpTarget()));
}
@Override
public void BlockGivenInstr(BlockGivenInstr blockGivenInstr) {
jvm.method().loadRuntime();
visit(blockGivenInstr.getBlockArg());
jvm.method().invokeVirtual(Type.getType(Block.class), Method.getMethod("boolean isGiven()"));
jvm.method().invokeVirtual(Type.getType(Ruby.class), Method.getMethod("org.jruby.RubyBoolean newBoolean(boolean)"));
jvmStoreLocal(blockGivenInstr.getResult());
}
@Override
public void BNEInstr(BNEInstr bneinstr) {
Operand[] args = bneinstr.getOperands();
jvm.method().loadLocal(0);
visit(args[0]);
visit(args[1]);
jvm.method().invokeHelper("BNE", boolean.class, ThreadContext.class, IRubyObject.class, IRubyObject.class);
jvm.method().adapter.iftrue(getJVMLabel(bneinstr.getJumpTarget()));
}
@Override
public void BNilInstr(BNilInstr bnilinstr) {
visit(bnilinstr.getArg1());
jvm.method().isNil();
jvm.method().btrue(getJVMLabel(bnilinstr.getJumpTarget()));
}
@Override
public void BreakInstr(BreakInstr breakInstr) {
IRBytecodeAdapter m = jvm.method();
SkinnyMethodAdapter a = m.adapter;
m.loadLocal(0); // context
a.aload(1); // current scope
// FIXME: emit a constant-pool referencing breakInstr.scopeToReturnTo.some_id and load it here
// Also requires fixing up initiateBreak to accept StaticScope and extract IRScope and its id
// and compare them instead of the scope.
visit(breakInstr.getReturnValue());
// FIXME: emit block-type for the scope that is currently executing
a.invokestatic(p(IRubyObject.class), "initiateBreak", sig(ThreadContext.class, IRScope.class, IRScope.class, IRubyObject.class, Block.Type.class));
}
@Override
public void BTrueInstr(BTrueInstr btrueinstr) {
visit(btrueinstr.getArg1());
jvm.method().isTrue();
jvm.method().btrue(getJVMLabel(btrueinstr.getJumpTarget()));
}
@Override
public void BUndefInstr(BUndefInstr bundefinstr) {
visit(bundefinstr.getArg1());
jvm.method().pushUndefined();
jvm.method().adapter.if_acmpeq(getJVMLabel(bundefinstr.getJumpTarget()));
}
@Override
public void CallInstr(CallInstr callInstr) {
IRBytecodeAdapter m = jvm.method();
String name = callInstr.getMethodAddr().getName();
Operand[] args = callInstr.getCallArgs();
int numArgs = args.length;
if ( (name.equals("+") || name.equals("-") || name.equals("*") || name.equals("/"))
&& numArgs == 1
&& args[0] instanceof Fixnum
&& callInstr.getCallType() == CallType.NORMAL) {
m.loadLocal(0);
m.loadLocal(2); // dummy to satisfy signature of existing target linker (MathLinker)
visit(callInstr.getReceiver());
m.invokeFixnumOp(name, ((Fixnum)args[0]).value);
} else {
m.loadLocal(0);
visit(callInstr.getReceiver());
for (Operand operand : args) {
visit(operand);
}
switch (callInstr.getCallType()) {
case FUNCTIONAL:
case VARIABLE:
m.invokeSelf(name, numArgs);
break;
case NORMAL:
m.invokeOther(name, numArgs);
break;
case SUPER:
m.invokeSuper(name, numArgs);
break;
}
}
jvmStoreLocal(callInstr.getResult());
}
@Override
public void CheckArgsArrayArityInstr(CheckArgsArrayArityInstr checkargsarrayarityinstr) {
jvm.method().loadContext();
visit(checkargsarrayarityinstr.getArgsArray());
jvm.method().adapter.pushInt(checkargsarrayarityinstr.required);
jvm.method().adapter.pushInt(checkargsarrayarityinstr.opt);
jvm.method().adapter.pushInt(checkargsarrayarityinstr.rest);
jvm.method().invokeStatic(Type.getType(Helpers.class), Method.getMethod("void irCheckArgsArrayArity(org.jruby.runtime.ThreadContext, org.jruby.RubyArray, int, int, int)"));
}
@Override
public void CheckArityInstr(CheckArityInstr checkarityinstr) {
// no-op for now
}
@Override
public void ClassSuperInstr(ClassSuperInstr classsuperinstr) {
super.ClassSuperInstr(classsuperinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void ConstMissingInstr(ConstMissingInstr constmissinginstr) {
visit(constmissinginstr.getReceiver());
jvm.method().adapter.checkcast("org/jruby/RubyModule");
jvm.method().loadContext();
jvm.method().adapter.ldc("const_missing");
jvm.method().pushSymbol(constmissinginstr.getMissingConst());
final Method invokeVirtualMethod = Method.getMethod("org.jruby.runtime.builtin.IRubyObject callMethod(org.jruby.runtime.ThreadContext, java.lang.String, org.jruby.runtime.builtin.IRubyObject)");
jvm.method().invokeVirtual(Type.getType(RubyModule.class), invokeVirtualMethod);
}
@Override
public void CopyInstr(CopyInstr copyinstr) {
int index = getJVMLocalVarIndex(copyinstr.getResult());
visit(copyinstr.getSource());
jvm.method().storeLocal(index);
}
@Override
public void DefineClassInstr(DefineClassInstr defineclassinstr) {
IRClassBody newIRClassBody = defineclassinstr.getNewIRClassBody();
StaticScope scope = newIRClassBody.getStaticScope();
if (scope.getRequiredArgs() > 3 || scope.getRestArg() >= 0 || scope.getOptionalArgs() != 0) {
throw new RuntimeException("can't compile variable method: " + this);
}
String scopeString = Helpers.encodeScope(scope);
IRBytecodeAdapter m = jvm.method();
SkinnyMethodAdapter a = m.adapter;
// new CompiledIRMethod
a.newobj(p(CompiledIRMethod.class));
a.dup();
// emit method body and get handle
emit(newIRClassBody); // handle
// add'l args for CompiledIRMethod constructor
a.ldc(newIRClassBody.getName());
a.ldc(newIRClassBody.getFileName());
a.ldc(newIRClassBody.getLineNumber());
// construct class with Helpers.newClassForIR
a.aload(0); // ThreadContext
a.ldc(newIRClassBody.getName()); // class name
m.loadLocal(2); // self
// create class
m.loadLocal(0);
visit(defineclassinstr.getContainer());
m.invokeHelper("checkIsRubyModule", RubyModule.class, ThreadContext.class, Object.class);
// superclass
if (defineclassinstr.getSuperClass() instanceof Nil) {
a.aconst_null();
} else {
visit(defineclassinstr.getSuperClass());
}
// is meta?
a.ldc(newIRClassBody instanceof IRMetaClassBody);
m.invokeHelper("newClassForIR", RubyClass.class, ThreadContext.class,
String.class, IRubyObject.class, RubyModule.class, Object.class, boolean.class);
//// static scope
a.aload(0);
a.aload(1);
a.ldc(scopeString);
a.invokestatic(p(Helpers.class), "decodeScope",
"(Lorg/jruby/runtime/ThreadContext;Lorg/jruby/parser/StaticScope;Ljava/lang/String;)Lorg/jruby/parser/StaticScope;");
a.swap();
// set into StaticScope
a.dup2();
a.invokevirtual(p(StaticScope.class), "setModule", sig(void.class, RubyModule.class));
a.getstatic(p(Visibility.class), "PUBLIC", ci(Visibility.class));
a.swap();
// invoke constructor
a.invokespecial(p(CompiledIRMethod.class), "<init>", "(Ljava/lang/invoke/MethodHandle;Ljava/lang/String;Ljava/lang/String;ILorg/jruby/parser/StaticScope;Lorg/jruby/runtime/Visibility;Lorg/jruby/RubyModule;)V");
// store
jvmStoreLocal(defineclassinstr.getResult());
}
@Override
public void DefineClassMethodInstr(DefineClassMethodInstr defineclassmethodinstr) {
super.DefineClassMethodInstr(defineclassmethodinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void DefineInstanceMethodInstr(DefineInstanceMethodInstr defineinstancemethodinstr) {
IRMethod method = defineinstancemethodinstr.getMethod();
StaticScope scope = method.getStaticScope();
if (scope.getRequiredArgs() > 3 || scope.getRestArg() >= 0 || scope.getOptionalArgs() != 0) {
throw new RuntimeException("can't compile variable method: " + this);
}
String scopeString = Helpers.encodeScope(scope);
IRBytecodeAdapter m = jvm.method();
SkinnyMethodAdapter a = m.adapter;
// preamble for addMethod below
a.aload(0);
a.invokevirtual(p(ThreadContext.class), "getRubyClass", "()Lorg/jruby/RubyModule;");
a.ldc(method.getName());
// new CompiledIRMethod
a.newobj(p(CompiledIRMethod.class));
a.dup();
// emit method body and get handle
emit(method); // handle
// add'l args for CompiledIRMethod constructor
a.ldc(method.getName());
a.ldc(method.getFileName());
a.ldc(method.getLineNumber());
a.aload(0);
a.aload(1);
a.ldc(scopeString);
a.invokestatic(p(Helpers.class), "decodeScope", "(Lorg/jruby/runtime/ThreadContext;Lorg/jruby/parser/StaticScope;Ljava/lang/String;)Lorg/jruby/parser/StaticScope;");
a.aload(0);
a.invokevirtual(p(ThreadContext.class), "getCurrentVisibility", "()Lorg/jruby/runtime/Visibility;");
a.aload(0);
a.invokevirtual(p(ThreadContext.class), "getRubyClass", "()Lorg/jruby/RubyModule;");
// invoke constructor
a.invokespecial(p(CompiledIRMethod.class), "<init>", "(Ljava/lang/invoke/MethodHandle;Ljava/lang/String;Ljava/lang/String;ILorg/jruby/parser/StaticScope;Lorg/jruby/runtime/Visibility;Lorg/jruby/RubyModule;)V");
// add method
a.invokevirtual(p(RubyModule.class), "addMethod", "(Ljava/lang/String;Lorg/jruby/internal/runtime/methods/DynamicMethod;)V");
}
@Override
public void DefineMetaClassInstr(DefineMetaClassInstr definemetaclassinstr) {
IRModuleBody metaClassBody = definemetaclassinstr.getMetaClassBody();
StaticScope scope = metaClassBody.getStaticScope();
if (scope.getRequiredArgs() > 3 || scope.getRestArg() >= 0 || scope.getOptionalArgs() != 0) {
throw new RuntimeException("can't compile variable method: " + this);
}
String scopeString = Helpers.encodeScope(scope);
IRBytecodeAdapter m = jvm.method();
SkinnyMethodAdapter a = m.adapter;
// new CompiledIRMethod
a.newobj(p(CompiledIRMethod.class));
a.dup();
// emit method body and get handle
emit(metaClassBody); // handle
// add'l args for CompiledIRMethod constructor
a.ldc(metaClassBody.getName());
a.ldc(metaClassBody.getFileName());
a.ldc(metaClassBody.getLineNumber());
//// static scope
a.aload(0);
a.aload(1);
a.ldc(scopeString);
a.invokestatic(p(Helpers.class), "decodeScope", "(Lorg/jruby/runtime/ThreadContext;Lorg/jruby/parser/StaticScope;Ljava/lang/String;)Lorg/jruby/parser/StaticScope;");
// get singleton class
m.loadRuntime();
visit(definemetaclassinstr.getObject());
m.invokeHelper("getSingletonClass", RubyClass.class, Ruby.class, IRubyObject.class);
// set into StaticScope
a.dup2();
a.invokevirtual(p(StaticScope.class), "setModule", sig(void.class, RubyModule.class));
a.getstatic(p(Visibility.class), "PUBLIC", ci(Visibility.class));
a.swap();
// invoke constructor
a.invokespecial(p(CompiledIRMethod.class), "<init>", "(Ljava/lang/invoke/MethodHandle;Ljava/lang/String;Ljava/lang/String;ILorg/jruby/parser/StaticScope;Lorg/jruby/runtime/Visibility;Lorg/jruby/RubyModule;)V");
// store
jvmStoreLocal(definemetaclassinstr.getResult());
}
@Override
public void DefineModuleInstr(DefineModuleInstr definemoduleinstr) {
IRModuleBody newIRModuleBody = definemoduleinstr.getNewIRModuleBody();
StaticScope scope = newIRModuleBody.getStaticScope();
if (scope.getRequiredArgs() > 3 || scope.getRestArg() >= 0 || scope.getOptionalArgs() != 0) {
throw new RuntimeException("can't compile variable method: " + this);
}
String scopeString = Helpers.encodeScope(scope);
IRBytecodeAdapter m = jvm.method();
SkinnyMethodAdapter a = m.adapter;
// new CompiledIRMethod
a.newobj(p(CompiledIRMethod.class));
a.dup();
// emit method body and get handle
emit(newIRModuleBody); // handle
// add'l args for CompiledIRMethod constructor
a.ldc(newIRModuleBody.getName());
a.ldc(newIRModuleBody.getFileName());
a.ldc(newIRModuleBody.getLineNumber());
a.aload(0);
a.aload(1);
a.ldc(scopeString);
a.invokestatic(p(Helpers.class), "decodeScope", "(Lorg/jruby/runtime/ThreadContext;Lorg/jruby/parser/StaticScope;Ljava/lang/String;)Lorg/jruby/parser/StaticScope;");
// create module
m.loadLocal(0);
visit(definemoduleinstr.getContainer());
m.invokeHelper("checkIsRubyModule", RubyModule.class, ThreadContext.class, Object.class);
a.ldc(newIRModuleBody.getName());
a.invokevirtual(p(RubyModule.class), "defineOrGetModuleUnder", sig(RubyModule.class, String.class));
// set into StaticScope
a.dup2();
a.invokevirtual(p(StaticScope.class), "setModule", sig(void.class, RubyModule.class));
a.getstatic(p(Visibility.class), "PUBLIC", ci(Visibility.class));
a.swap();
// invoke constructor
a.invokespecial(p(CompiledIRMethod.class), "<init>", "(Ljava/lang/invoke/MethodHandle;Ljava/lang/String;Ljava/lang/String;ILorg/jruby/parser/StaticScope;Lorg/jruby/runtime/Visibility;Lorg/jruby/RubyModule;)V");
// store
jvmStoreLocal(definemoduleinstr.getResult());
}
@Override
public void EnsureRubyArrayInstr(EnsureRubyArrayInstr ensurerubyarrayinstr) {
visit(ensurerubyarrayinstr.getObject());
jvm.method().adapter.dup();
org.objectweb.asm.Label after = new org.objectweb.asm.Label();
jvm.method().adapter.instance_of("org/jruby/RubyArray");
jvm.method().adapter.iftrue(after);
jvm.method().adapter.swap();
jvm.method().loadRuntime();
jvm.method().adapter.ldc(false);
jvm.method().invokeStatic(Type.getType(ArgsUtil.class), Method.getMethod("org.jruby.RubyArray convertToRubyArray(org.jruby.Ruby, org.jruby.runtime.builtin.IRubyObject, boolean)"));
jvm.method().adapter.label(after);
jvmStoreLocal(ensurerubyarrayinstr.getResult());
}
@Override
public void EQQInstr(EQQInstr eqqinstr) {
super.EQQInstr(eqqinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void ExceptionRegionEndMarkerInstr(ExceptionRegionEndMarkerInstr exceptionregionendmarkerinstr) {
throw new RuntimeException("Marker instructions shouldn't reach compiler: " + exceptionregionendmarkerinstr);
}
@Override
public void ExceptionRegionStartMarkerInstr(ExceptionRegionStartMarkerInstr exceptionregionstartmarkerinstr) {
throw new RuntimeException("Marker instructions shouldn't reach compiler: " + exceptionregionstartmarkerinstr);
}
@Override
public void GetClassVarContainerModuleInstr(GetClassVarContainerModuleInstr getclassvarcontainermoduleinstr) {
super.GetClassVarContainerModuleInstr(getclassvarcontainermoduleinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void GetClassVariableInstr(GetClassVariableInstr getclassvariableinstr) {
super.GetClassVariableInstr(getclassvariableinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void GetFieldInstr(GetFieldInstr getfieldinstr) {
visit(getfieldinstr.getSource());
jvm.method().getField(getfieldinstr.getRef());
jvmStoreLocal(getfieldinstr.getResult());
}
@Override
public void GetGlobalVariableInstr(GetGlobalVariableInstr getglobalvariableinstr) {
super.GetGlobalVariableInstr(getglobalvariableinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void GVarAliasInstr(GVarAliasInstr gvaraliasinstr) {
super.GVarAliasInstr(gvaraliasinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void InheritanceSearchConstInstr(InheritanceSearchConstInstr inheritancesearchconstinstr) {
jvm.method().loadLocal(0);
visit(inheritancesearchconstinstr.getCurrentModule());
// TODO: private consts
jvm.method().inheritanceSearchConst(inheritancesearchconstinstr.getConstName());
jvmStoreLocal(inheritancesearchconstinstr.getResult());
}
@Override
public void InstanceSuperInstr(InstanceSuperInstr instancesuperinstr) {
super.InstanceSuperInstr(instancesuperinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void JumpIndirectInstr(JumpIndirectInstr jumpindirectinstr) {
super.JumpIndirectInstr(jumpindirectinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void JumpInstr(JumpInstr jumpinstr) {
jvm.method().goTo(getJVMLabel(jumpinstr.getJumpTarget()));
}
@Override
public void LabelInstr(LabelInstr labelinstr) {
jvm.method().mark(getJVMLabel(labelinstr.getLabel()));
}
@Override
public void LexicalSearchConstInstr(LexicalSearchConstInstr lexicalsearchconstinstr) {
super.LexicalSearchConstInstr(lexicalsearchconstinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void LineNumberInstr(LineNumberInstr linenumberinstr) {
jvm.method().adapter.line(linenumberinstr.getLineNumber());
}
@Override
public void LoadLocalVarInstr(LoadLocalVarInstr loadlocalvarinstr) {
IRBytecodeAdapter m = jvm.method();
jvmLoadLocal(DYNAMIC_SCOPE);
int depth = loadlocalvarinstr.getLocalVar().getScopeDepth();
// TODO should not have to subtract 1
int location = loadlocalvarinstr.getLocalVar().getLocation() - 1;
// TODO if we can avoid loading nil unnecessarily, it could be a big win
switch (depth) {
case 0:
switch (location) {
case 0:
m.pushNil();
m.adapter.invokevirtual(p(DynamicScope.class), "getValueZeroDepthZeroOrNil", sig(IRubyObject.class, IRubyObject.class));
return;
case 1:
m.pushNil();
m.adapter.invokevirtual(p(DynamicScope.class), "getValueOneDepthZeroOrNil", sig(IRubyObject.class, IRubyObject.class));
return;
case 2:
m.pushNil();
m.adapter.invokevirtual(p(DynamicScope.class), "getValueTwoDepthZeroOrNil", sig(IRubyObject.class, IRubyObject.class));
return;
case 3:
m.pushNil();
m.adapter.invokevirtual(p(DynamicScope.class), "getValueThreeDepthZeroOrNil", sig(IRubyObject.class, IRubyObject.class));
return;
default:
m.adapter.pushInt(location);
m.pushNil();
m.adapter.invokevirtual(p(DynamicScope.class), "getValueDepthZeroOrNil", sig(IRubyObject.class, int.class, IRubyObject.class));
return;
}
default:
m.adapter.pushInt(location);
m.adapter.pushInt(depth);
m.pushNil();
m.adapter.invokevirtual(p(DynamicScope.class), "getValueOrNil", sig(IRubyObject.class, int.class, int.class, IRubyObject.class));
}
}
@Override
public void Match2Instr(Match2Instr match2instr) {
super.Match2Instr(match2instr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void Match3Instr(Match3Instr match3instr) {
super.Match3Instr(match3instr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void MatchInstr(MatchInstr matchinstr) {
super.MatchInstr(matchinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void MethodLookupInstr(MethodLookupInstr methodlookupinstr) {
// SSS FIXME: Unused at this time
throw new RuntimeException("Unsupported instruction: " + methodlookupinstr);
}
@Override
public void ModuleVersionGuardInstr(ModuleVersionGuardInstr moduleversionguardinstr) {
// SSS FIXME: Unused at this time
throw new RuntimeException("Unsupported instruction: " + moduleversionguardinstr);
}
@Override
public void NopInstr(NopInstr nopinstr) {
// do nothing
}
@Override
public void NoResultCallInstr(NoResultCallInstr noResultCallInstr) {
IRBytecodeAdapter m = jvm.method();
m.loadLocal(0);
visit(noResultCallInstr.getReceiver());
for (Operand operand : noResultCallInstr.getCallArgs()) {
visit(operand);
}
switch (noResultCallInstr.getCallType()) {
case FUNCTIONAL:
case VARIABLE:
m.invokeSelf(noResultCallInstr.getMethodAddr().getName(), noResultCallInstr.getCallArgs().length);
break;
case NORMAL:
m.invokeOther(noResultCallInstr.getMethodAddr().getName(), noResultCallInstr.getCallArgs().length);
break;
case SUPER:
m.invokeSuper(noResultCallInstr.getMethodAddr().getName(), noResultCallInstr.getCallArgs().length);
break;
}
m.adapter.pop();
}
@Override
public void NotInstr(NotInstr notinstr) {
super.NotInstr(notinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void OptArgMultipleAsgnInstr(OptArgMultipleAsgnInstr optargmultipleasgninstr) {
super.OptArgMultipleAsgnInstr(optargmultipleasgninstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void PopBindingInstr(PopBindingInstr popbindinginstr) {
// TODO pop
}
@Override
public void ProcessModuleBodyInstr(ProcessModuleBodyInstr processmodulebodyinstr) {
jvm.method().loadLocal(0);
visit(processmodulebodyinstr.getModuleBody());
jvm.method().invokeHelper("invokeModuleBody", IRubyObject.class, ThreadContext.class, CompiledIRMethod.class);
jvmStoreLocal(processmodulebodyinstr.getResult());
}
@Override
public void PushBindingInstr(PushBindingInstr pushbindinginstr) {
jvm.method().loadStaticScope();
jvm.method().adapter.invokestatic(p(DynamicScope.class), "newDynamicScope", sig(DynamicScope.class, StaticScope.class));
jvmStoreLocal(DYNAMIC_SCOPE);
// TODO push
}
@Override
public void PutClassVariableInstr(PutClassVariableInstr putclassvariableinstr) {
super.PutClassVariableInstr(putclassvariableinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void PutConstInstr(PutConstInstr putconstinstr) {
IRBytecodeAdapter m = jvm.method();
visit(putconstinstr.getTarget());
m.adapter.checkcast(p(RubyModule.class));
m.adapter.ldc(putconstinstr.getRef());
visit(putconstinstr.getValue());
m.adapter.invokevirtual(p(RubyModule.class), "setConstant", sig(IRubyObject.class, String.class, IRubyObject.class));
m.adapter.pop();
}
@Override
public void PutFieldInstr(PutFieldInstr putfieldinstr) {
visit(putfieldinstr.getTarget());
visit(putfieldinstr.getValue());
jvm.method().putField(putfieldinstr.getRef());
}
@Override
public void PutGlobalVarInstr(PutGlobalVarInstr putglobalvarinstr) {
super.PutGlobalVarInstr(putglobalvarinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void RaiseArgumentErrorInstr(RaiseArgumentErrorInstr raiseargumenterrorinstr) {
super.RaiseArgumentErrorInstr(raiseargumenterrorinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void ReceiveClosureInstr(ReceiveClosureInstr receiveclosureinstr) {
// -- NOP --
// The JVM always sets up $block to be at the same lvar index where it comes in.
// jvmLoadLocal("$block");
// jvmStoreLocal(receiveclosureinstr.getResult());
}
@Override
public void ReceiveExceptionInstr(ReceiveExceptionInstr receiveexceptioninstr) {
// TODO implement
}
@Override
public void ReceivePreReqdArgInstr(ReceivePreReqdArgInstr receiveprereqdarginstr) {
int index = getJVMLocalVarIndex(receiveprereqdarginstr.getResult());
jvm.method().loadLocal(3 + receiveprereqdarginstr.getArgIndex());
jvm.method().storeLocal(index);
}
@Override
public void ReceiveSelfInstr(ReceiveSelfInstr receiveselfinstr) {
throw new RuntimeException("Self instr should have been stripped: " + receiveselfinstr);
}
@Override
public void RecordEndBlockInstr(RecordEndBlockInstr recordendblockinstr) {
super.RecordEndBlockInstr(recordendblockinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void ReqdArgMultipleAsgnInstr(ReqdArgMultipleAsgnInstr reqdargmultipleasgninstr) {
jvm.method().loadContext();
visit(reqdargmultipleasgninstr.getArrayArg());
jvm.method().adapter.checkcast("org/jruby/RubyArray");
jvm.method().adapter.pushInt(reqdargmultipleasgninstr.getPreArgsCount());
jvm.method().adapter.pushInt(reqdargmultipleasgninstr.getIndex());
jvm.method().adapter.pushInt(reqdargmultipleasgninstr.getPostArgsCount());
jvm.method().invokeHelper("irReqdArgMultipleAsgn", IRubyObject.class, ThreadContext.class, RubyArray.class, int.class, int.class, int.class);
jvmStoreLocal(reqdargmultipleasgninstr.getResult());
}
@Override
public void RescueEQQInstr(RescueEQQInstr rescueeqqinstr) {
super.RescueEQQInstr(rescueeqqinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void RestArgMultipleAsgnInstr(RestArgMultipleAsgnInstr restargmultipleasgninstr) {
super.RestArgMultipleAsgnInstr(restargmultipleasgninstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void NonlocalReturnInstr(NonlocalReturnInstr returninstr) {
if (this.currentScope instanceof IRClosure) {
/* generate run-time call to check non-local-return, errors, etc */
SkinnyMethodAdapter a = jvm.method().adapter;
a.aload(0); // 1. ThreadContext
a.aload(1); // 2. current scope
// 3. ref. to returnInstr.methodToReturnFrom
visit(returninstr.getReturnValue()); // 4. return value
// boolean about whether we are in a closure or not
// call to handle non-local return
} else if (returninstr.methodToReturnFrom != null) {
// methodtoReturnFrom will not be null for explicit returns from class/module/sclass bodies
/* throw IR-return-jump */
} else {
visit(returninstr.getReturnValue());
jvm.method().returnValue();
}
}
@Override
public void ReturnInstr(ReturnInstr returninstr) {
visit(returninstr.getReturnValue());
jvm.method().returnValue();
}
@Override
public void SearchConstInstr(SearchConstInstr searchconstinstr) {
// TODO: private consts
jvm.method().loadLocal(0);
visit(searchconstinstr.getStartingScope());
jvm.method().searchConst(searchconstinstr.getConstName());
jvmStoreLocal(searchconstinstr.getResult());
}
@Override
public void SetReturnAddressInstr(SetReturnAddressInstr setreturnaddressinstr) {
super.SetReturnAddressInstr(setreturnaddressinstr); //To change body of overridden methods use File | Settings | File Templates.
}
@Override
public void StoreLocalVarInstr(StoreLocalVarInstr storelocalvarinstr) {