org.jruby.ir.targets.JVMVisitor Maven / Gradle / Ivy
package org.jruby.ir.targets;
import com.headius.invokebinder.Signature;
import org.jcodings.Encoding;
import org.jruby.*;
import org.jruby.compiler.NotCompilableException;
import org.jruby.compiler.impl.SkinnyMethodAdapter;
import org.jruby.exceptions.RaiseException;
import org.jruby.internal.runtime.GlobalVariables;
import org.jruby.internal.runtime.methods.DynamicMethod;
import org.jruby.ir.*;
import org.jruby.ir.instructions.*;
import org.jruby.ir.instructions.boxing.*;
import org.jruby.ir.instructions.defined.GetErrorInfoInstr;
import org.jruby.ir.instructions.defined.RestoreErrorInfoInstr;
import org.jruby.ir.instructions.specialized.OneFixnumArgNoBlockCallInstr;
import org.jruby.ir.instructions.specialized.OneFloatArgNoBlockCallInstr;
import org.jruby.ir.operands.*;
import org.jruby.ir.operands.Boolean;
import org.jruby.ir.operands.Float;
import org.jruby.ir.operands.Label;
import org.jruby.ir.persistence.IRDumper;
import org.jruby.ir.representations.BasicBlock;
import org.jruby.ir.runtime.IRRuntimeHelpers;
import org.jruby.ir.targets.IRBytecodeAdapter.BlockPassType;
import org.jruby.parser.StaticScope;
import org.jruby.runtime.*;
import org.jruby.runtime.builtin.IRubyObject;
import org.jruby.runtime.callsite.RefinedCachingCallSite;
import org.jruby.runtime.scope.DynamicScopeGenerator;
import org.jruby.util.ByteList;
import org.jruby.util.ClassDefiningClassLoader;
import org.jruby.util.JavaNameMangler;
import org.jruby.util.KeyValuePair;
import org.jruby.util.RegexpOptions;
import org.jruby.util.StringSupport;
import org.jruby.util.cli.Options;
import org.jruby.util.collections.IntHashMap;
import org.jruby.util.log.Logger;
import org.jruby.util.log.LoggerFactory;
import org.objectweb.asm.Handle;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
import org.objectweb.asm.commons.Method;
import java.io.ByteArrayOutputStream;
import java.lang.invoke.MethodType;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import static org.jruby.util.CodegenUtils.*;
/**
* Implementation of IRCompiler for the JVM.
*/
public class JVMVisitor extends IRVisitor {
private static final Logger LOG = LoggerFactory.getLogger(JVMVisitor.class);
public static final String DYNAMIC_SCOPE = "$dynamicScope";
private static final boolean DEBUG = false;
public static final String BLOCK_ARG_NAME = "blockArg";
public static final String SELF_BLOCK_NAME = "selfBlock";
public static final String SUPER_NAME_NAME = "superName";
private static final Signature METHOD_SIGNATURE_BASE = Signature
.returning(IRubyObject.class)
.appendArgs(new String[]{"context", "scope", "self", BLOCK_ARG_NAME, "class", "superName"}, ThreadContext.class, StaticScope.class, IRubyObject.class, Block.class, RubyModule.class, String.class);
private static final Signature METHOD_SIGNATURE_VARARGS = METHOD_SIGNATURE_BASE.insertArg(BLOCK_ARG_NAME, "args", IRubyObject[].class);
public static final Signature CLOSURE_SIGNATURE = Signature
.returning(IRubyObject.class)
.appendArgs(new String[]{"context", SELF_BLOCK_NAME, "scope", "self", "args", BLOCK_ARG_NAME}, ThreadContext.class, Block.class, StaticScope.class, IRubyObject.class, IRubyObject[].class, Block.class);
public JVMVisitor(Ruby runtime) {
this.jvm = Options.COMPILE_INVOKEDYNAMIC.load() ? new JVM7() : new JVM6();
this.methodIndex = 0;
this.scopeMap = new HashMap();
this.runtime = runtime;
}
public Class compile(IRScope scope, ClassDefiningClassLoader jrubyClassLoader) {
file = scope.getFile();
lastLine = -1;
JVMVisitorMethodContext context = new JVMVisitorMethodContext();
return defineFromBytecode(scope, compileToBytecode(scope, context), jrubyClassLoader);
}
public byte[] compileToBytecode(IRScope scope, JVMVisitorMethodContext context) {
file = scope.getFile();
lastLine = -1;
codegenScope(scope, context);
return code();
}
public Class defineFromBytecode(IRScope scope, byte[] code, ClassDefiningClassLoader jrubyClassLoader) {
file = scope.getFile();
lastLine = -1;
Class result = jrubyClassLoader.defineClass(c(JVM.scriptToClass(file)), code);
for (Map.Entry entry : scopeMap.entrySet()) {
try {
result.getField(entry.getKey()).set(null, entry.getValue());
} catch (Exception e) {
throw new NotCompilableException(e);
}
}
return result;
}
public byte[] code() {
return jvm.code();
}
protected void codegenScope(IRScope scope, JVMVisitorMethodContext context) {
if (scope instanceof IRScriptBody) {
codegenScriptBody((IRScriptBody)scope);
} else if (scope instanceof IRMethod) {
emitMethodJIT((IRMethod)scope, context);
} else if (scope instanceof IRClosure) {
emitBlockJIT((IRClosure) scope, context);
} else if (scope instanceof IRModuleBody) {
emitModuleBodyJIT((IRModuleBody)scope);
} else {
throw new NotCompilableException("don't know how to JIT: " + scope);
}
}
protected void codegenScriptBody(IRScriptBody script) {
emitScriptBody(script);
}
protected void emitScope(IRScope scope, String name, Signature signature, boolean specificArity, boolean print) {
// We record this name so we can reference the unique scope field name for profiled callsites since we
// want the live IRScope instance of the callers scope.
String savedScopeName = currentScopeName;
currentScopeName = name + "_IRScope";
BasicBlock[] bbs = scope.prepareForCompilation();
if (print && IRRuntimeHelpers.shouldPrintIR(runtime)) {
ByteArrayOutputStream baos = IRDumper.printIR(scope, true);
LOG.info("Printing JIT IR for " + scope.getId() + ":\n" + new String(baos.toByteArray()));
}
Map exceptionTable = scope.buildJVMExceptionTable();
emitClosures(scope, print);
jvm.pushmethod(name, scope, signature, specificArity);
// store IRScope in map for insertion into class later
String scopeField = currentScopeName;
if (scopeMap.get(scopeField) == null) {
scopeMap.put(scopeField, scope);
jvm.cls().visitField(Opcodes.ACC_STATIC | Opcodes.ACC_PUBLIC | Opcodes.ACC_VOLATILE, scopeField, ci(IRScope.class), null, null).visitEnd();
}
if (!scope.hasExplicitCallProtocol()) {
// No call protocol, dynscope has been prepared for us
jvmMethod().loadContext();
jvmMethod().invokeVirtual(Type.getType(ThreadContext.class), Method.getMethod("org.jruby.runtime.DynamicScope getCurrentScope()"));
jvmStoreLocal(DYNAMIC_SCOPE);
} else if (scope instanceof IRClosure) {
// // just load scope from context
// // FIXME: don't do this if we won't need the scope
// jvmMethod().loadContext();
// jvmAdapter().invokevirtual(p(ThreadContext.class), "getCurrentScope", sig(DynamicScope.class));
// just load null so it is initialized; if we need it, we'll set it later
jvmAdapter().aconst_null();
jvmStoreLocal(DYNAMIC_SCOPE);
}
IRBytecodeAdapter m = jvmMethod();
Label currentRescue = null;
Label currentRegionStart = null;
Label currentBlockStart = null;
Map rescueEndForStart = new HashMap<>();
Map syntheticEndForStart = new HashMap<>();
for (BasicBlock bb: bbs) {
currentBlockStart = bb.getLabel();
Label rescueLabel = exceptionTable.get(bb);
// not in a region at all (null-null) or in a region (a-a) but not at a boundary of the region.
if (rescueLabel == currentRescue) continue;
if (currentRescue != null) { // end of active region
rescueEndForStart.put(currentRegionStart, jvm.methodData().getLabel(bb.getLabel()));
}
if (rescueLabel != null) { // new region
currentRescue = rescueLabel;
currentRegionStart = bb.getLabel();
} else { // end of active region but no new region
currentRescue = null;
currentRegionStart = null;
}
}
// handle unclosed final region
if (currentRegionStart != null) {
org.objectweb.asm.Label syntheticEnd = new org.objectweb.asm.Label();
rescueEndForStart.put(currentRegionStart, syntheticEnd);
syntheticEndForStart.put(currentBlockStart, syntheticEnd);
}
if (scope instanceof IRMethod) {
if (scope.receivesKeywordArgs()) {
// pre-frobnicate the args on the way in
m.loadContext();
m.loadArgs();
m.adapter.pushInt(scope.getStaticScope().getSignature().required());
m.invokeIRHelper("frobnicateKwargsArgument", sig(IRubyObject[].class, ThreadContext.class, IRubyObject[].class, int.class));
m.storeArgs();
}
}
for (BasicBlock bb: bbs) {
org.objectweb.asm.Label start = jvm.methodData().getLabel(bb.getLabel());
Label rescueLabel = exceptionTable.get(bb);
m.mark(start);
// if this is the start of a rescued region, emit trycatch
org.objectweb.asm.Label end;
if (rescueLabel != null && (end = rescueEndForStart.get(bb.getLabel())) != null) {
// first entry into a rescue region, do the try/catch
org.objectweb.asm.Label rescue = jvm.methodData().getLabel(rescueLabel);
jvmAdapter().trycatch(start, end, rescue, p(Throwable.class));
}
// ensure there's at least one instr per block
/* FIXME: (CON 20150507) This used to filter blocks that had no instructions and only emit nop for them,
but this led to BBs with no *bytecode-emitting* instructions failing to have a nop and triggering
verification errors when we attached an exception-handling range to them (because the leading
label failed to anchor anywhere, or anchored the same place as the trailing label). Until we can
detect that a BB will not emit any code, we return to always emitting the nop. */
m.adapter.nop();
// visit remaining instrs
for (Instr instr : bb.getInstrs()) {
visit(instr);
}
org.objectweb.asm.Label syntheticEnd = syntheticEndForStart.get(bb.getLabel());
if (syntheticEnd != null) {
m.mark(syntheticEnd);
}
}
jvm.popmethod();
currentScopeName = savedScopeName;
}
protected void emitVarargsMethodWrapper(IRScope scope, String variableName, String specificName, Signature variableSignature, Signature specificSignature) {
jvm.pushmethod(variableName, scope, variableSignature, false);
IRBytecodeAdapter m = jvmMethod();
// check arity
org.jruby.runtime.Signature scopeSig = scope.getStaticScope().getSignature();
checkArity(scopeSig.required(), scopeSig.opt(), scopeSig.hasRest(), scopeSig.hasKwargs(), scopeSig.keyRest());
// push leading args
m.loadContext();
m.loadStaticScope();
m.loadSelf();
// unwrap specific args
if (scopeSig.required() > 0) {
for (int i = 0; i < scopeSig.required(); i++) {
m.loadArgs();
jvmAdapter().pushInt(i);
jvmAdapter().aaload();
}
}
// push trailing args
m.loadBlock();
m.loadFrameClass();
m.loadFrameName();
// invoke specific-arity version and return
Method specificMethod = new Method(specificName, Type.getType(specificSignature.type().returnType()), IRRuntimeHelpers.typesFromSignature(specificSignature));
jvmAdapter().invokestatic(m.getClassData().clsName, specificName, specificMethod.getDescriptor());
jvmAdapter().areturn();
jvm.popmethod();
}
protected static final Signature signatureFor(IRScope method, boolean aritySplit) {
if (aritySplit) {
StaticScope argScope = method.getStaticScope();
if (argScope.isArgumentScope() &&
argScope.getSignature().isFixed() &&
!argScope.getSignature().hasKwargs()) {
// we have only required arguments...emit a signature appropriate to that arity
String[] args = new String[argScope.getSignature().required()];
Class[] types = new Class[args.length]; // Class...
for (int i = 0; i < args.length; i++) {
args[i] = "arg" + i;
types[i] = IRubyObject.class;
}
return METHOD_SIGNATURE_BASE.insertArgs(BLOCK_ARG_NAME, args, types);
}
// we can't do an specific-arity signature
return null;
}
// normal boxed arg list signature
return METHOD_SIGNATURE_BASE.insertArgs(BLOCK_ARG_NAME, new String[]{"args"}, IRubyObject[].class);
}
protected void emitScriptBody(IRScriptBody script) {
// Note: no index attached because there should be at most one script body per .class
String name = JavaNameMangler.encodeScopeForBacktrace(script);
String clsName = jvm.scriptToClass(script.getFile());
jvm.pushscript(clsName, script.getFile());
emitScope(script, name, signatureFor(script, false), false, true);
jvm.cls().visitEnd();
jvm.popclass();
}
protected void emitMethod(IRMethod method, JVMVisitorMethodContext context) {
String name = JavaNameMangler.encodeScopeForBacktrace(method) + '$' + methodIndex++;
emitWithSignatures(method, context, name);
}
protected void emitMethodJIT(IRMethod method, JVMVisitorMethodContext context) {
String clsName = jvm.scriptToClass(method.getFile());
String name = JavaNameMangler.encodeScopeForBacktrace(method) + '$' + methodIndex++;
jvm.pushscript(clsName, method.getFile());
emitWithSignatures(method, context, name);
jvm.cls().visitEnd();
jvm.popclass();
}
protected void emitBlockJIT(IRClosure closure, JVMVisitorMethodContext context) {
String clsName = jvm.scriptToClass(closure.getFile());
String name = JavaNameMangler.encodeScopeForBacktrace(closure) + '$' + methodIndex++;
jvm.pushscript(clsName, closure.getFile());
emitScope(closure, name, CLOSURE_SIGNATURE, false, true);
context.setBaseName(name);
context.setVariableName(name);
jvm.cls().visitEnd();
jvm.popclass();
}
private void emitWithSignatures(IRMethod method, JVMVisitorMethodContext context, String name) {
context.setBaseName(name);
Signature specificSig = signatureFor(method, true);
if (specificSig == null) {
// only varargs, so use name as is
context.setVariableName(name);
Signature signature = signatureFor(method, false);
emitScope(method, name, signature, false, true);
context.addNativeSignature(-1, signature.type());
} else {
String specificName = name;
context.setSpecificName(specificName);
emitScope(method, specificName, specificSig, true, true);
context.addNativeSignature(method.getStaticScope().getSignature().required(), specificSig.type());
// specific arity path, so mangle the dummy varargs wrapper
String variableName = name + JavaNameMangler.VARARGS_MARKER;
context.setVariableName(variableName);
emitVarargsMethodWrapper(method, variableName, specificName, METHOD_SIGNATURE_VARARGS, specificSig);
context.addNativeSignature(-1, METHOD_SIGNATURE_VARARGS.type());
}
}
protected Handle emitModuleBodyJIT(IRModuleBody method) {
String name = JavaNameMangler.encodeScopeForBacktrace(method) + '$' + methodIndex++;
String clsName = jvm.scriptToClass(method.getFile());
jvm.pushscript(clsName, method.getFile());
Signature signature = signatureFor(method, false);
emitScope(method, name, signature, false, true);
Handle handle = new Handle(
Opcodes.H_INVOKESTATIC,
jvm.clsData().clsName,
name,
sig(signature.type().returnType(), signature.type().parameterArray()),
false);
jvm.cls().visitEnd();
jvm.popclass();
return handle;
}
private void emitClosures(IRScope s, boolean print) {
// Emit code for all nested closures
for (IRClosure c: s.getClosures()) {
c.setHandle(emitClosure(c, print));
}
}
protected Handle emitClosure(IRClosure closure, boolean print) {
/* Compile the closure like a method */
String name = JavaNameMangler.encodeScopeForBacktrace(closure) + '$' + methodIndex++;
emitScope(closure, name, CLOSURE_SIGNATURE, false, print);
return new Handle(
Opcodes.H_INVOKESTATIC,
jvm.clsData().clsName,
name,
sig(CLOSURE_SIGNATURE.type().returnType(), CLOSURE_SIGNATURE.type().parameterArray()),
false);
}
protected Handle emitModuleBody(IRModuleBody method) {
String name = JavaNameMangler.encodeScopeForBacktrace(method) + '$' + methodIndex++;
Signature signature = signatureFor(method, false);
emitScope(method, name, signature, false, true);
return new Handle(
Opcodes.H_INVOKESTATIC,
jvm.clsData().clsName,
name,
sig(signature.type().returnType(), signature.type().parameterArray()),
false);
}
public void visit(Instr instr) {
if (DEBUG) { // debug will skip emitting actual file line numbers
jvmAdapter().line(++jvmMethod().ipc);
}
instr.visit(this);
}
public void visit(Operand operand) {
operand.visit(this);
}
private int getJVMLocalVarIndex(Variable variable) {
if (variable instanceof TemporaryLocalVariable) {
switch (((TemporaryLocalVariable)variable).getType()) {
case FLOAT: return jvm.methodData().local(variable, JVM.DOUBLE_TYPE);
case FIXNUM: return jvm.methodData().local(variable, JVM.LONG_TYPE);
case BOOLEAN: return jvm.methodData().local(variable, JVM.BOOLEAN_TYPE);
default: return jvm.methodData().local(variable);
}
} else {
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) {
if (variable instanceof LocalVariable) {
jvmLoadLocal(DYNAMIC_SCOPE);
jvmAdapter().swap();
genSetValue((LocalVariable) variable);
} else if (variable instanceof TemporaryLocalVariable) {
switch (((TemporaryLocalVariable)variable).getType()) {
case FLOAT: jvmAdapter().dstore(getJVMLocalVarIndex(variable)); break;
case FIXNUM: jvmAdapter().lstore(getJVMLocalVarIndex(variable)); break;
case BOOLEAN: jvmAdapter().istore(getJVMLocalVarIndex(variable)); break;
default: jvmMethod().storeLocal(getJVMLocalVarIndex(variable)); break;
}
} else {
jvmMethod().storeLocal(getJVMLocalVarIndex(variable));
}
}
private void jvmStoreLocal(Runnable source, Variable variable) {
if (variable instanceof LocalVariable) {
jvmLoadLocal(DYNAMIC_SCOPE);
source.run();
genSetValue((LocalVariable) variable);
} else if (variable instanceof TemporaryLocalVariable) {
source.run();
switch (((TemporaryLocalVariable)variable).getType()) {
case FLOAT: jvmAdapter().dstore(getJVMLocalVarIndex(variable)); break;
case FIXNUM: jvmAdapter().lstore(getJVMLocalVarIndex(variable)); break;
case BOOLEAN: jvmAdapter().istore(getJVMLocalVarIndex(variable)); break;
default: jvmMethod().storeLocal(getJVMLocalVarIndex(variable)); break;
}
} else {
source.run();
jvmMethod().storeLocal(getJVMLocalVarIndex(variable));
}
}
private void genSetValue(LocalVariable localvariable) {
int depth = localvariable.getScopeDepth();
int location = localvariable.getLocation();
String baseName = p(DynamicScope.class);
if (depth == 0) {
if (location < DynamicScopeGenerator.SPECIALIZED_SETS.size()) {
jvmAdapter().invokevirtual(baseName, DynamicScopeGenerator.SPECIALIZED_SETS.get(location), sig(void.class, IRubyObject.class));
} else {
jvmAdapter().pushInt(location);
jvmAdapter().invokevirtual(baseName, "setValueDepthZeroVoid", sig(void.class, IRubyObject.class, int.class));
}
} else {
jvmAdapter().pushInt(location);
jvmAdapter().pushInt(depth);
jvmAdapter().invokevirtual(baseName, "setValueVoid", sig(void.class, IRubyObject.class, int.class, int.class));
}
}
private void jvmStoreLocal(String specialVar) {
jvmMethod().storeLocal(getJVMLocalVarIndex(specialVar));
}
private void jvmLoadLocal(Variable variable) {
if (variable instanceof TemporaryLocalVariable) {
switch (((TemporaryLocalVariable)variable).getType()) {
case FLOAT: jvmAdapter().dload(getJVMLocalVarIndex(variable)); break;
case FIXNUM: jvmAdapter().lload(getJVMLocalVarIndex(variable)); break;
case BOOLEAN: jvmAdapter().iload(getJVMLocalVarIndex(variable)); break;
default: jvmMethod().loadLocal(getJVMLocalVarIndex(variable)); break;
}
} else {
jvmMethod().loadLocal(getJVMLocalVarIndex(variable));
}
}
private void jvmLoadLocal(String specialVar) {
jvmMethod().loadLocal(getJVMLocalVarIndex(specialVar));
}
// 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)?
// SSS FIXME: Needs an update to reflect instr. change
@Override
public void AliasInstr(AliasInstr aliasInstr) {
IRBytecodeAdapter m = jvm.method();
m.loadContext();
m.loadSelf();
jvmLoadLocal(DYNAMIC_SCOPE);
visit(aliasInstr.getNewName());
visit(aliasInstr.getOldName());
m.invokeIRHelper("defineAlias", sig(void.class, ThreadContext.class, IRubyObject.class, DynamicScope.class, IRubyObject.class, IRubyObject.class));
}
@Override
public void ArgScopeDepthInstr(ArgScopeDepthInstr instr) {
jvmMethod().loadContext();
jvmMethod().loadStaticScope();
jvmMethod().invokeIRHelper("getArgScopeDepth", sig(RubyFixnum.class, ThreadContext.class, StaticScope.class));
jvmStoreLocal(instr.getResult());
}
@Override
public void AttrAssignInstr(AttrAssignInstr attrAssignInstr) {
compileCallCommon(jvmMethod(), attrAssignInstr);
}
@Override
public void ArrayDerefInstr(ArrayDerefInstr arrayderefinstr) {
jvmMethod().loadContext();
jvmMethod().loadSelf();
visit(arrayderefinstr.getReceiver());
visit(arrayderefinstr.getKey());
jvmMethod().invokeArrayDeref(file, lastLine, arrayderefinstr);
jvmStoreLocal(arrayderefinstr.getResult());
}
@Override
public void BFalseInstr(BFalseInstr bFalseInstr) {
Operand arg1 = bFalseInstr.getArg1();
// this is a gross hack because we don't have distinction in boolean instrs between boxed and unboxed
if (arg1 instanceof TemporaryBooleanVariable || arg1 instanceof UnboxedBoolean) {
// no need to unbox
visit(arg1);
jvmMethod().bfalse(getJVMLabel(bFalseInstr.getJumpTarget()));
} else if ((arg1 instanceof Boolean && ((Boolean) arg1).isTrue()) || arg1 instanceof UnboxedFixnum || arg1 instanceof UnboxedFloat) {
// always true, don't branch
} else if ((arg1 instanceof Boolean && ((Boolean) arg1).isFalse()) || arg1 instanceof UnboxedFixnum || arg1 instanceof UnboxedFloat) {
// always false, always branch
jvmAdapter().go_to(getJVMLabel(bFalseInstr.getJumpTarget()));
} else {
// unbox
visit(arg1);
jvmAdapter().invokeinterface(p(IRubyObject.class), "isTrue", sig(boolean.class));
jvmMethod().bfalse(getJVMLabel(bFalseInstr.getJumpTarget()));
}
}
@Override
public void BlockGivenInstr(BlockGivenInstr blockGivenInstr) {
jvmMethod().loadContext();
visit(blockGivenInstr.getBlockArg());
jvmMethod().invokeIRHelper("isBlockGiven", sig(RubyBoolean.class, ThreadContext.class, Object.class));
jvmStoreLocal(blockGivenInstr.getResult());
}
private void loadFloatArg(Operand arg) {
if (arg instanceof Variable) {
visit(arg);
} else {
double val;
if (arg instanceof Float) {
val = ((Float)arg).value;
} else if (arg instanceof Fixnum) {
val = (double)((Fixnum)arg).value;
} else {
// Should not happen -- so, forcing an exception.
throw new NotCompilableException("Non-float/fixnum in loadFloatArg!" + arg);
}
jvmAdapter().ldc(val);
}
}
private void loadFixnumArg(Operand arg) {
if (arg instanceof Variable) {
visit(arg);
} else {
long val;
if (arg instanceof Float) {
val = (long)((Float)arg).value;
} else if (arg instanceof Fixnum) {
val = ((Fixnum)arg).value;
} else {
// Should not happen -- so, forcing an exception.
throw new NotCompilableException("Non-float/fixnum in loadFixnumArg!" + arg);
}
jvmAdapter().ldc(val);
}
}
private void loadBooleanArg(Operand arg) {
if (arg instanceof Variable) {
visit(arg);
} else {
boolean val;
if (arg instanceof UnboxedBoolean) {
val = ((UnboxedBoolean)arg).isTrue();
} else {
// Should not happen -- so, forcing an exception.
throw new NotCompilableException("Non-float/fixnum in loadFixnumArg!" + arg);
}
jvmAdapter().ldc(val);
}
}
@Override
public void BoxFloatInstr(BoxFloatInstr instr) {
IRBytecodeAdapter m = jvmMethod();
SkinnyMethodAdapter a = m.adapter;
// Load runtime
m.loadContext();
a.getfield(p(ThreadContext.class), "runtime", ci(Ruby.class));
// Get unboxed float
loadFloatArg(instr.getValue());
// Box the float
a.invokevirtual(p(Ruby.class), "newFloat", sig(RubyFloat.class, double.class));
// Store it
jvmStoreLocal(instr.getResult());
}
@Override
public void BoxFixnumInstr(BoxFixnumInstr instr) {
IRBytecodeAdapter m = jvmMethod();
SkinnyMethodAdapter a = m.adapter;
// Load runtime
m.loadContext();
a.getfield(p(ThreadContext.class), "runtime", ci(Ruby.class));
// Get unboxed fixnum
loadFixnumArg(instr.getValue());
// Box the fixnum
a.invokevirtual(p(Ruby.class), "newFixnum", sig(RubyFixnum.class, long.class));
// Store it
jvmStoreLocal(instr.getResult());
}
@Override
public void BoxBooleanInstr(BoxBooleanInstr instr) {
IRBytecodeAdapter m = jvmMethod();
SkinnyMethodAdapter a = m.adapter;
// Load runtime
m.loadContext();
a.getfield(p(ThreadContext.class), "runtime", ci(Ruby.class));
// Get unboxed boolean
loadBooleanArg(instr.getValue());
// Box the fixnum
a.invokevirtual(p(Ruby.class), "newBoolean", sig(RubyBoolean.class, boolean.class));
// Store it
jvmStoreLocal(instr.getResult());
}
@Override
public void UnboxFloatInstr(UnboxFloatInstr instr) {
// Load boxed value
visit(instr.getValue());
// Unbox it
jvmMethod().invokeIRHelper("unboxFloat", sig(double.class, IRubyObject.class));
// Store it
jvmStoreLocal(instr.getResult());
}
@Override
public void UnboxFixnumInstr(UnboxFixnumInstr instr) {
// Load boxed value
visit(instr.getValue());
// Unbox it
jvmMethod().invokeIRHelper("unboxFixnum", sig(long.class, IRubyObject.class));
// Store it
jvmStoreLocal(instr.getResult());
}
@Override
public void UnboxBooleanInstr(UnboxBooleanInstr instr) {
// Load boxed value
visit(instr.getValue());
// Unbox it
jvmMethod().invokeIRHelper("unboxBoolean", sig(boolean.class, IRubyObject.class));
// Store it
jvmStoreLocal(instr.getResult());
}
public void AluInstr(AluInstr instr) {
IRBytecodeAdapter m = jvmMethod();
SkinnyMethodAdapter a = m.adapter;
// Load args
visit(instr.getArg1());
visit(instr.getArg2());
// Compute result
switch (instr.getOperation()) {
case FADD: a.dadd(); break;
case FSUB: a.dsub(); break;
case FMUL: a.dmul(); break;
case FDIV: a.ddiv(); break;
case FLT: m.invokeIRHelper("flt", sig(boolean.class, double.class, double.class)); break; // annoying to have to do it in a method
case FGT: m.invokeIRHelper("fgt", sig(boolean.class, double.class, double.class)); break; // annoying to have to do it in a method
case FEQ: m.invokeIRHelper("feq", sig(boolean.class, double.class, double.class)); break; // annoying to have to do it in a method
case IADD: a.ladd(); break;
case ISUB: a.lsub(); break;
case IMUL: a.lmul(); break;
case IDIV: a.ldiv(); break;
case ILT: m.invokeIRHelper("ilt", sig(boolean.class, long.class, long.class)); break; // annoying to have to do it in a method
case IGT: m.invokeIRHelper("igt", sig(boolean.class, long.class, long.class)); break; // annoying to have to do it in a method
case IOR: a.lor(); break;
case IAND: a.land(); break;
case IXOR: a.lxor(); break;
case ISHL: a.lshl(); break;
case ISHR: a.lshr(); break;
case IEQ: m.invokeIRHelper("ilt", sig(boolean.class, long.class, long.class)); break; // annoying to have to do it in a method
default: throw new NotCompilableException("UNHANDLED!");
}
// Store it
jvmStoreLocal(instr.getResult());
}
@Override
public void BNEInstr(BNEInstr bneinstr) {
jvmMethod().loadContext();
visit(bneinstr.getArg1());
visit(bneinstr.getArg2());
jvmMethod().invokeHelper("BNE", boolean.class, ThreadContext.class, IRubyObject.class, IRubyObject.class);
jvmAdapter().iftrue(getJVMLabel(bneinstr.getJumpTarget()));
}
@Override
public void BNilInstr(BNilInstr bnilinstr) {
visit(bnilinstr.getArg1());
jvmMethod().branchIfNil(getJVMLabel(bnilinstr.getJumpTarget()));
}
@Override
public void BreakInstr(BreakInstr breakInstr) {
jvmMethod().loadContext();
jvmLoadLocal(DYNAMIC_SCOPE);
visit(breakInstr.getReturnValue());
jvmMethod().loadSelfBlock();
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "initiateBreak", sig(IRubyObject.class, ThreadContext.class, DynamicScope.class, IRubyObject.class, Block.class));
jvmMethod().returnValue();
}
// max (case) values span that generates a tableswitch instruction
// case 0, 2, 4, 8, 16, 32 still generates a tableswitch (filling in holes)
// case 0, 10, 100 fallbacks to generating a lookupswitch
private static final int MAX_TABLE_SWITCH_SIZE = 32 + 1;
public void BSwitchInstr(BSwitchInstr bswitchinstr) {
visit(bswitchinstr.getCaseOperand());
jvmAdapter().dup();
jvmAdapter().instance_of(p(RubyFixnum.class));
org.objectweb.asm.Label rubyCaseLabel = getJVMLabel(bswitchinstr.getRubyCaseLabel());
org.objectweb.asm.Label notFixnum = new org.objectweb.asm.Label();
jvmAdapter().iffalse(notFixnum);
jvmAdapter().checkcast(p(RubyFixnum.class));
jvmAdapter().invokevirtual(p(RubyFixnum.class), "getIntValue", sig(int.class));
Label[] targets = bswitchinstr.getTargets();
org.objectweb.asm.Label[] jvmTargets = new org.objectweb.asm.Label[targets.length];
for (int i = 0; i < targets.length; i++) jvmTargets[i] = getJVMLabel(targets[i]);
org.objectweb.asm.Label defaultTarget = getJVMLabel(bswitchinstr.getElseTarget());
// if jump table is all contiguous values, use a tableswitch
int[] jumps = bswitchinstr.getJumps(); // always ordered e.g. [2, 3, 4]
int low = jumps[0]; // 2
int high = jumps[jumps.length - 1]; // 4
int span = high - low + 1;
if (span == jumps.length) { // perfectly compact - no "holes"
jvmAdapter().tableswitch(low, high, defaultTarget, jvmTargets);
} else if (span <= MAX_TABLE_SWITCH_SIZE) { // an imperfect switch
org.objectweb.asm.Label[] realTargets = jvmTargets;
jvmTargets = new org.objectweb.asm.Label[span];
jvmTargets[0] = realTargets[0]; int p = jumps[0] + 1; int t = 1;
for (int i = 1; i < jumps.length; i++) {
int cj = jumps[i];
if (cj == p) {
jvmTargets[t++] = realTargets[i]; p = cj + 1;
}
else { // fill in holes with cases to jump to else part
while (cj > p++) jvmTargets[t++] = defaultTarget;
jvmTargets[t++] = realTargets[i];
}
}
jvmAdapter().tableswitch(low, high, defaultTarget, jvmTargets);
} else {
jvmAdapter().lookupswitch(defaultTarget, bswitchinstr.getJumps(), jvmTargets);
}
jvmAdapter().label(notFixnum);
jvmAdapter().pop();
jvmAdapter().label(rubyCaseLabel);
}
@Override
public void BTrueInstr(BTrueInstr btrueinstr) {
Operand arg1 = btrueinstr.getArg1();
// this is a gross hack because we don't have distinction in boolean instrs between boxed and unboxed
if (arg1 instanceof TemporaryBooleanVariable || arg1 instanceof UnboxedBoolean) {
// no need to unbox, just branch
visit(arg1);
jvmMethod().btrue(getJVMLabel(btrueinstr.getJumpTarget()));
} else if ((arg1 instanceof Boolean && ((Boolean) arg1).isTrue()) || arg1 instanceof UnboxedFixnum || arg1 instanceof UnboxedFloat) {
// always true, always branch
jvmMethod().goTo(getJVMLabel(btrueinstr.getJumpTarget()));
} else if ((arg1 instanceof Boolean && ((Boolean) arg1).isFalse()) || arg1 instanceof UnboxedFixnum || arg1 instanceof UnboxedFloat) {
// always false, never branch
} else {
// unbox and branch
visit(arg1);
jvmMethod().branchIfTruthy(getJVMLabel(btrueinstr.getJumpTarget()));
}
}
@Override
public void BUndefInstr(BUndefInstr bundefinstr) {
visit(bundefinstr.getArg1());
jvmMethod().pushUndefined();
jvmAdapter().if_acmpeq(getJVMLabel(bundefinstr.getJumpTarget()));
}
@Override
public void BuildBackrefInstr(BuildBackrefInstr instr) {
jvmMethod().loadContext();
switch (instr.type) {
case '&':
jvmAdapter().invokevirtual(p(ThreadContext.class), "last_match", sig(IRubyObject.class));
break;
case '`':
jvmAdapter().invokevirtual(p(ThreadContext.class), "match_pre", sig(IRubyObject.class));
break;
case '\'':
jvmAdapter().invokevirtual(p(ThreadContext.class), "match_post", sig(IRubyObject.class));
break;
case '+':
jvmAdapter().invokevirtual(p(ThreadContext.class), "match_last", sig(IRubyObject.class));
break;
default:
assert false: "backref with invalid type";
}
jvmStoreLocal(instr.getResult());
}
@Override
public void BuildCompoundArrayInstr(BuildCompoundArrayInstr instr) {
if (instr.isArgsPush()) {
visit(instr.getAppendingArg());
visit(instr.getAppendedArg());
jvmMethod().invokeHelper("argsPush", RubyArray.class, IRubyObject.class, IRubyObject.class);
} else {
jvmMethod().loadContext();
visit(instr.getAppendingArg());
visit(instr.getAppendedArg());
jvmMethod().invokeHelper("argsCat", RubyArray.class, ThreadContext.class, IRubyObject.class, IRubyObject.class);
}
jvmStoreLocal(instr.getResult());
}
@Override
public void BuildCompoundStringInstr(BuildCompoundStringInstr compoundstring) {
ByteList csByteList = new ByteList();
csByteList.setEncoding(compoundstring.getEncoding());
jvmMethod().pushString(csByteList, StringSupport.CR_UNKNOWN);
for (Operand p : compoundstring.getPieces()) {
visit(p);
if (p instanceof StringLiteral) {
// append19 with a RubyString ends up in cat19, so we skip the type checks
jvmAdapter().invokevirtual(p(RubyString.class), "cat19", sig(RubyString.class, RubyString.class));
} else {
jvmAdapter().invokevirtual(p(RubyString.class), "append19", sig(RubyString.class, IRubyObject.class));
}
}
if (compoundstring.isFrozen()) {
if (runtime.getInstanceConfig().isDebuggingFrozenStringLiteral()) {
jvmMethod().loadContext();
jvmAdapter().ldc(compoundstring.getFile());
jvmAdapter().ldc(compoundstring.getLine());
jvmMethod().invokeIRHelper("freezeLiteralString", sig(RubyString.class, RubyString.class, ThreadContext.class, String.class, int.class));
} else {
jvmMethod().invokeIRHelper("freezeLiteralString", sig(RubyString.class, RubyString.class));
}
}
jvmStoreLocal(compoundstring.getResult());
}
@Override
public void BuildDynRegExpInstr(BuildDynRegExpInstr instr) {
final IRBytecodeAdapter m = jvmMethod();
if (instr.getOptions().isOnce() && instr.getRegexp() != null) {
visit(new Regexp(instr.getRegexp().source().convertToString().getByteList(), instr.getOptions()));
jvmStoreLocal(instr.getResult());
return;
}
RegexpOptions options = instr.getOptions();
final Operand[] operands = instr.getPieces();
Runnable r = new Runnable() {
@Override
public void run() {
m.loadContext();
for (int i = 0; i < operands.length; i++) {
Operand operand = operands[i];
visit(operand);
}
}
};
m.pushDRegexp(r, options, operands.length);
jvmStoreLocal(instr.getResult());
}
@Override
public void BuildRangeInstr(BuildRangeInstr instr) {
jvmMethod().loadContext();
visit(instr.getBegin());
visit(instr.getEnd());
jvmAdapter().ldc(instr.isExclusive());
jvmAdapter().invokestatic(p(RubyRange.class), "newRange", sig(RubyRange.class, ThreadContext.class, IRubyObject.class, IRubyObject.class, boolean.class));
jvmStoreLocal(instr.getResult());
}
@Override
public void BuildSplatInstr(BuildSplatInstr instr) {
jvmMethod().loadContext();
visit(instr.getArray());
jvmAdapter().ldc(instr.getDup());
jvmMethod().invokeIRHelper("splatArray", sig(RubyArray.class, ThreadContext.class, IRubyObject.class, boolean.class));
jvmStoreLocal(instr.getResult());
}
@Override
public void CallInstr(CallInstr callInstr) {
if (callInstr instanceof OneFixnumArgNoBlockCallInstr) {
oneFixnumArgNoBlockCallInstr((OneFixnumArgNoBlockCallInstr) callInstr);
return;
} else if (callInstr instanceof OneFloatArgNoBlockCallInstr) {
oneFloatArgNoBlockCallInstr((OneFloatArgNoBlockCallInstr) callInstr);
return;
}
// JIT does not support refinements yet
if (callInstr.getCallSite() instanceof RefinedCachingCallSite) {
throw new NotCompilableException("refinements are unsupported in JIT");
}
compileCallCommon(jvmMethod(), callInstr);
}
private void compileCallCommon(IRBytecodeAdapter m, CallBase call) {
Operand[] args = call.getCallArgs();
BlockPassType blockPassType = BlockPassType.fromIR(call);
m.loadContext();
m.loadSelf(); // caller
visit(call.getReceiver());
int arity = args.length;
if (args.length == 1 && args[0] instanceof Splat) {
visit(args[0]);
m.adapter.invokevirtual(p(RubyArray.class), "toJavaArray", sig(IRubyObject[].class));
arity = -1;
} else if (CallBase.containsArgSplat(args)) {
throw new NotCompilableException("splat in non-initial argument for normal call is unsupported in JIT");
} else {
for (Operand operand : args) {
visit(operand);
}
}
if (blockPassType.given()) {
m.loadContext();
visit(call.getClosureArg());
m.invokeIRHelper("getBlockFromObject", sig(Block.class, ThreadContext.class, Object.class));
}
switch (call.getCallType()) {
case FUNCTIONAL:
case VARIABLE:
m.invokeSelf(file, lastLine, currentScopeName, call, arity);
break;
case NORMAL:
m.invokeOther(file, lastLine, currentScopeName, call, arity);
break;
}
Variable result = call.getResult();
if (result != null) {
jvmStoreLocal(result);
} else {
// still need to drop, since all dyncalls return something (FIXME)
m.adapter.pop();
}
}
@Override
public void CheckArgsArrayArityInstr(CheckArgsArrayArityInstr checkargsarrayarityinstr) {
jvmMethod().loadContext();
visit(checkargsarrayarityinstr.getArgsArray());
jvmAdapter().pushInt(checkargsarrayarityinstr.required);
jvmAdapter().pushInt(checkargsarrayarityinstr.opt);
jvmAdapter().pushBoolean(checkargsarrayarityinstr.rest);
jvmMethod().invokeStatic(Type.getType(Helpers.class), Method.getMethod("void irCheckArgsArrayArity(org.jruby.runtime.ThreadContext, org.jruby.RubyArray, int, int, boolean)"));
}
@Override
public void CheckArityInstr(CheckArityInstr checkarityinstr) {
if (jvm.methodData().specificArity >= 0) {
// no arity check in specific arity path
} else {
checkArity(checkarityinstr.required, checkarityinstr.opt, checkarityinstr.rest, checkarityinstr.receivesKeywords, checkarityinstr.restKey);
}
}
private void checkArity(int required, int opt, boolean rest, boolean receivesKeywords, int restKey) {
jvmMethod().loadContext();
jvmMethod().loadStaticScope();
jvmMethod().loadArgs();
// TODO: pack these, e.g. in a constant pool String
jvmAdapter().ldc(required);
jvmAdapter().ldc(opt);
jvmAdapter().ldc(rest);
jvmAdapter().ldc(receivesKeywords);
jvmAdapter().ldc(restKey);
jvmMethod().loadSelfBlock();
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "checkArity", sig(void.class, ThreadContext.class, StaticScope.class, Object[].class, int.class, int.class, boolean.class, boolean.class, int.class, Block.class));
}
@Override
public void CheckForLJEInstr(CheckForLJEInstr checkForljeinstr) {
jvmMethod().loadContext();
jvmLoadLocal(DYNAMIC_SCOPE);
jvmAdapter().ldc(checkForljeinstr.isDefinedWithinMethod());
jvmMethod().loadSelfBlock();
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "checkForLJE", sig(void.class, ThreadContext.class, DynamicScope.class, boolean.class, Block.class));
}
@Override
public void ClassSuperInstr(ClassSuperInstr classsuperinstr) {
String name = classsuperinstr.getId();
Operand[] args = classsuperinstr.getCallArgs();
Operand definingModule = classsuperinstr.getDefiningModule();
boolean[] splatMap = classsuperinstr.splatMap();
Operand closure = classsuperinstr.getClosureArg(null);
superCommon(name, classsuperinstr, args, definingModule, splatMap, closure);
}
@Override
public void ConstMissingInstr(ConstMissingInstr constmissinginstr) {
visit(constmissinginstr.getReceiver());
jvmAdapter().checkcast("org/jruby/RubyModule");
jvmMethod().loadContext();
jvmAdapter().ldc("const_missing");
jvmMethod().pushSymbol(constmissinginstr.getMissingConst().getBytes());
jvmMethod().invokeVirtual(Type.getType(RubyModule.class), Method.getMethod("org.jruby.runtime.builtin.IRubyObject callMethod(org.jruby.runtime.ThreadContext, java.lang.String, org.jruby.runtime.builtin.IRubyObject)"));
jvmStoreLocal(constmissinginstr.getResult());
}
@Override
public void CopyInstr(CopyInstr copyinstr) {
Operand src = copyinstr.getSource();
Variable res = copyinstr.getResult();
storeHeapOrStack(src, res);
}
private void storeHeapOrStack(final Operand value, final Variable res) {
jvmStoreLocal(new Runnable() {
@Override
public void run() {
if (res instanceof TemporaryFloatVariable) {
loadFloatArg(value);
} else if (res instanceof TemporaryFixnumVariable) {
loadFixnumArg(value);
} else {
visit(value);
}
}
}, res);
}
@Override
public void DefineClassInstr(DefineClassInstr defineclassinstr) {
IRClassBody newIRClassBody = defineclassinstr.getNewIRClassBody();
jvmMethod().loadContext();
Handle handle = emitModuleBody(newIRClassBody);
jvmMethod().pushHandle(handle);
jvmAdapter().getstatic(jvm.clsData().clsName, handle.getName() + "_IRScope", ci(IRScope.class));
visit(defineclassinstr.getContainer());
visit(defineclassinstr.getSuperClass());
jvmMethod().invokeIRHelper("newCompiledClassBody", sig(DynamicMethod.class, ThreadContext.class, java.lang.invoke.MethodHandle.class, IRScope.class, Object.class, Object.class));
jvmStoreLocal(defineclassinstr.getResult());
}
@Override
public void DefineClassMethodInstr(DefineClassMethodInstr defineclassmethodinstr) {
IRMethod method = defineclassmethodinstr.getMethod();
jvmMethod().loadContext();
JVMVisitorMethodContext context = new JVMVisitorMethodContext();
emitMethod(method, context);
String defSignature = pushHandlesForDef(
context.getVariableName(),
context.getSpecificName(),
context.getNativeSignaturesExceptVariable(),
METHOD_SIGNATURE_VARARGS.type(),
sig(void.class, ThreadContext.class, java.lang.invoke.MethodHandle.class, IRScope.class, IRubyObject.class),
sig(void.class, ThreadContext.class, java.lang.invoke.MethodHandle.class, java.lang.invoke.MethodHandle.class, int.class, IRScope.class, IRubyObject.class));
jvmAdapter().getstatic(jvm.clsData().clsName, context.getBaseName() + "_IRScope", ci(IRScope.class));
visit(defineclassmethodinstr.getContainer());
// add method
jvmMethod().adapter.invokestatic(p(IRRuntimeHelpers.class), "defCompiledClassMethod", defSignature);
}
// SSS FIXME: Needs an update to reflect instr. change
@Override
public void DefineInstanceMethodInstr(DefineInstanceMethodInstr defineinstancemethodinstr) {
IRMethod method = defineinstancemethodinstr.getMethod();
JVMVisitorMethodContext context = new JVMVisitorMethodContext();
IRBytecodeAdapter m = jvmMethod();
SkinnyMethodAdapter a = m.adapter;
m.loadContext();
emitMethod(method, context);
MethodType variable = context.getNativeSignature(-1); // always a variable arity handle
assert(variable != null);
String defSignature = pushHandlesForDef(
context.getVariableName(),
context.getSpecificName(),
context.getNativeSignaturesExceptVariable(),
variable,
sig(void.class, ThreadContext.class, java.lang.invoke.MethodHandle.class, IRScope.class, DynamicScope.class, IRubyObject.class),
sig(void.class, ThreadContext.class, java.lang.invoke.MethodHandle.class, java.lang.invoke.MethodHandle.class, int.class, IRScope.class, DynamicScope.class, IRubyObject.class));
a.getstatic(jvm.clsData().clsName, context.getBaseName() + "_IRScope", ci(IRScope.class));
jvmLoadLocal(DYNAMIC_SCOPE);
jvmMethod().loadSelf();
// add method
a.invokestatic(p(IRRuntimeHelpers.class), "defCompiledInstanceMethod", defSignature);
}
private String pushHandlesForDef(String variableName, String specificName, IntHashMap signaturesExceptVariable, MethodType variable, String variableOnly, String variableAndSpecific) {
String defSignature;
jvmMethod().pushHandle(new Handle(
Opcodes.H_INVOKESTATIC,
jvm.clsData().clsName,
variableName,
sig(variable.returnType(), variable.parameterArray()),
false));
if (signaturesExceptVariable.size() == 0) {
defSignature = variableOnly;
} else {
defSignature = variableAndSpecific;
for (IntHashMap.Entry entry : signaturesExceptVariable.entrySet()) {
jvmMethod().pushHandle(new Handle(
Opcodes.H_INVOKESTATIC,
jvm.clsData().clsName,
specificName,
sig(entry.getValue().returnType(), entry.getValue().parameterArray()),
false));
jvmAdapter().pushInt(entry.getKey());
break; // FIXME: only supports one arity
}
}
return defSignature;
}
@Override
public void DefineMetaClassInstr(DefineMetaClassInstr definemetaclassinstr) {
IRModuleBody metaClassBody = definemetaclassinstr.getMetaClassBody();
jvmMethod().loadContext();
Handle handle = emitModuleBody(metaClassBody);
jvmMethod().pushHandle(handle);
jvmAdapter().getstatic(jvm.clsData().clsName, handle.getName() + "_IRScope", ci(IRScope.class));
visit(definemetaclassinstr.getObject());
jvmMethod().invokeIRHelper("newCompiledMetaClass", sig(DynamicMethod.class, ThreadContext.class, java.lang.invoke.MethodHandle.class, IRScope.class, IRubyObject.class));
jvmStoreLocal(definemetaclassinstr.getResult());
}
@Override
public void DefineModuleInstr(DefineModuleInstr definemoduleinstr) {
IRModuleBody newIRModuleBody = definemoduleinstr.getNewIRModuleBody();
jvmMethod().loadContext();
Handle handle = emitModuleBody(newIRModuleBody);
jvmMethod().pushHandle(handle);
jvmAdapter().getstatic(jvm.clsData().clsName, handle.getName() + "_IRScope", ci(IRScope.class));
visit(definemoduleinstr.getContainer());
jvmMethod().invokeIRHelper("newCompiledModuleBody", sig(DynamicMethod.class, ThreadContext.class, java.lang.invoke.MethodHandle.class, IRScope.class, Object.class));
jvmStoreLocal(definemoduleinstr.getResult());
}
@Override
public void EQQInstr(EQQInstr eqqinstr) {
if (!eqqinstr.isSplattedValue() && !(eqqinstr.getArg1() instanceof UndefinedValue)) {
compileCallCommon(jvmMethod(), eqqinstr);
} else {
jvmMethod().loadContext();
visit(eqqinstr.getReceiver());
visit(eqqinstr.getArg1());
jvmMethod().callEqq(eqqinstr);
jvmStoreLocal(eqqinstr.getResult());
}
}
@Override
public void ExceptionRegionEndMarkerInstr(ExceptionRegionEndMarkerInstr exceptionregionendmarkerinstr) {
throw new NotCompilableException("Marker instructions shouldn't reach compiler: " + exceptionregionendmarkerinstr);
}
@Override
public void ExceptionRegionStartMarkerInstr(ExceptionRegionStartMarkerInstr exceptionregionstartmarkerinstr) {
throw new NotCompilableException("Marker instructions shouldn't reach compiler: " + exceptionregionstartmarkerinstr);
}
@Override
public void GetClassVarContainerModuleInstr(GetClassVarContainerModuleInstr getclassvarcontainermoduleinstr) {
jvmMethod().loadContext();
visit(getclassvarcontainermoduleinstr.getStartingScope());
if (getclassvarcontainermoduleinstr.getObject() != null) {
visit(getclassvarcontainermoduleinstr.getObject());
} else {
jvmAdapter().aconst_null();
}
jvmMethod().invokeIRHelper("getModuleFromScope", sig(RubyModule.class, ThreadContext.class, StaticScope.class, IRubyObject.class));
jvmStoreLocal(getclassvarcontainermoduleinstr.getResult());
}
@Override
public void GetClassVariableInstr(GetClassVariableInstr getclassvariableinstr) {
visit(getclassvariableinstr.getSource());
jvmAdapter().checkcast(p(RubyModule.class));
jvmAdapter().ldc(getclassvariableinstr.getId());
jvmAdapter().invokevirtual(p(RubyModule.class), "getClassVar", sig(IRubyObject.class, String.class));
jvmStoreLocal(getclassvariableinstr.getResult());
}
@Override
public void GetFieldInstr(GetFieldInstr getfieldinstr) {
visit(getfieldinstr.getSource());
jvmMethod().getField(getfieldinstr.getId());
jvmStoreLocal(getfieldinstr.getResult());
}
@Override
public void GetGlobalVariableInstr(GetGlobalVariableInstr getglobalvariableinstr) {
jvmMethod().getGlobalVariable(getglobalvariableinstr.getTarget().getId(), file, lastLine);
jvmStoreLocal(getglobalvariableinstr.getResult());
}
@Override
public void GVarAliasInstr(GVarAliasInstr gvaraliasinstr) {
jvmMethod().loadRuntime();
jvmAdapter().invokevirtual(p(Ruby.class), "getGlobalVariables", sig(GlobalVariables.class));
visit(gvaraliasinstr.getNewName());
jvmAdapter().invokevirtual(p(Object.class), "toString", sig(String.class));
visit(gvaraliasinstr.getOldName());
jvmAdapter().invokevirtual(p(Object.class), "toString", sig(String.class));
jvmAdapter().invokevirtual(p(GlobalVariables.class), "alias", sig(void.class, String.class, String.class));
}
@Override
public void InheritanceSearchConstInstr(InheritanceSearchConstInstr inheritancesearchconstinstr) {
jvmMethod().loadContext();
visit(inheritancesearchconstinstr.getCurrentModule());
jvmMethod().inheritanceSearchConst(inheritancesearchconstinstr.getId(), false);
jvmStoreLocal(inheritancesearchconstinstr.getResult());
}
@Override
public void InstanceSuperInstr(InstanceSuperInstr instancesuperinstr) {
String name = instancesuperinstr.getId();
Operand[] args = instancesuperinstr.getCallArgs();
Operand definingModule = instancesuperinstr.getDefiningModule();
boolean[] splatMap = instancesuperinstr.splatMap();
Operand closure = instancesuperinstr.getClosureArg(null);
superCommon(name, instancesuperinstr, args, definingModule, splatMap, closure);
}
private void superCommon(String name, CallInstr instr, Operand[] args, Operand definingModule, boolean[] splatMap, Operand closure) {
IRBytecodeAdapter m = jvmMethod();
Operation operation = instr.getOperation();
m.loadContext();
m.loadSelf(); // TODO: get rid of caller
m.loadSelf();
if (definingModule == UndefinedValue.UNDEFINED) {
jvmAdapter().aconst_null();
} else {
visit(definingModule);
}
// TODO: CON: is this safe?
jvmAdapter().checkcast(p(RubyClass.class));
// process args
for (int i = 0; i < args.length; i++) {
Operand operand = args[i];
visit(operand);
}
boolean hasClosure = closure != null;
if (hasClosure) {
m.loadContext();
visit(closure);
m.invokeIRHelper("getBlockFromObject", sig(Block.class, ThreadContext.class, Object.class));
}
switch (operation) {
case INSTANCE_SUPER:
m.invokeInstanceSuper(file, lastLine, name, args.length, hasClosure, splatMap);
break;
case CLASS_SUPER:
m.invokeClassSuper(file, lastLine, name, args.length, hasClosure, splatMap);
break;
case UNRESOLVED_SUPER:
m.invokeUnresolvedSuper(file, lastLine, name, args.length, hasClosure, splatMap);
break;
case ZSUPER:
m.invokeZSuper(file, lastLine, name, args.length, hasClosure, splatMap);
break;
default:
throw new NotCompilableException("unknown super type " + operation + " in " + instr);
}
jvmStoreLocal(instr.getResult());
}
@Override
public void JumpInstr(JumpInstr jumpinstr) {
jvmMethod().goTo(getJVMLabel(jumpinstr.getJumpTarget()));
}
@Override
public void LabelInstr(LabelInstr labelinstr) {
}
@Override
public void LexicalSearchConstInstr(LexicalSearchConstInstr lexicalsearchconstinstr) {
jvmMethod().loadContext();
visit(lexicalsearchconstinstr.getDefiningScope());
jvmMethod().lexicalSearchConst(lexicalsearchconstinstr.getId());
jvmStoreLocal(lexicalsearchconstinstr.getResult());
}
@Override
public void LineNumberInstr(LineNumberInstr linenumberinstr) {
if (DEBUG) return; // debug mode uses IPC for line numbers
lastLine = linenumberinstr.getLineNumber() + 1;
jvmAdapter().line(lastLine);
}
@Override
public void LoadLocalVarInstr(LoadLocalVarInstr loadlocalvarinstr) {
LocalVariable(loadlocalvarinstr.getLocalVar());
jvmStoreLocal(loadlocalvarinstr.getResult());
}
@Override
public void LoadImplicitClosure(LoadImplicitClosureInstr loadimplicitclosureinstr) {
jvmMethod().loadBlock();
jvmStoreLocal(loadimplicitclosureinstr.getResult());
}
@Override
public void LoadFrameClosure(LoadFrameClosureInstr loadframeclosureinstr) {
jvmMethod().loadContext();
jvmAdapter().invokevirtual(p(ThreadContext.class), "getFrameBlock", sig(Block.class));
jvmStoreLocal(loadframeclosureinstr.getResult());
}
@Override
public void MatchInstr(MatchInstr matchInstr) {
compileCallCommon(jvmMethod(), matchInstr);
}
@Override
public void ModuleVersionGuardInstr(ModuleVersionGuardInstr moduleversionguardinstr) {
// SSS FIXME: Unused at this time
//throw new NotCompilableException("Unsupported instruction: " + moduleversionguardinstr);
}
@Override
public void NopInstr(NopInstr nopinstr) {
// do nothing
}
@Override
public void NoResultCallInstr(NoResultCallInstr noResultCallInstr) {
compileCallCommon(jvmMethod(), noResultCallInstr);
}
public void oneFixnumArgNoBlockCallInstr(OneFixnumArgNoBlockCallInstr oneFixnumArgNoBlockCallInstr) {
IRBytecodeAdapter m = jvmMethod();
long fixnum = oneFixnumArgNoBlockCallInstr.getFixnumArg();
Operand receiver = oneFixnumArgNoBlockCallInstr.getReceiver();
Variable result = oneFixnumArgNoBlockCallInstr.getResult();
m.loadContext();
// for visibility checking without requiring frame self
// TODO: don't bother passing when fcall or vcall, and adjust callsite appropriately
m.loadSelf(); // caller
visit(receiver);
m.invokeOtherOneFixnum(file, lastLine, oneFixnumArgNoBlockCallInstr, fixnum);
if (result != null) {
jvmStoreLocal(result);
} else {
// still need to drop, since all dyncalls return something (FIXME)
m.adapter.pop();
}
}
public void oneFloatArgNoBlockCallInstr(OneFloatArgNoBlockCallInstr oneFloatArgNoBlockCallInstr) {
IRBytecodeAdapter m = jvmMethod();
String name = oneFloatArgNoBlockCallInstr.getId();
double flote = oneFloatArgNoBlockCallInstr.getFloatArg();
Operand receiver = oneFloatArgNoBlockCallInstr.getReceiver();
Variable result = oneFloatArgNoBlockCallInstr.getResult();
m.loadContext();
// for visibility checking without requiring frame self
// TODO: don't bother passing when fcall or vcall, and adjust callsite appropriately
m.loadSelf(); // caller
visit(receiver);
m.invokeOtherOneFloat(file, lastLine, oneFloatArgNoBlockCallInstr, flote);
if (result != null) {
jvmStoreLocal(result);
} else {
// still need to drop, since all dyncalls return something (FIXME)
m.adapter.pop();
}
}
@Override
public void OptArgMultipleAsgnInstr(OptArgMultipleAsgnInstr optargmultipleasgninstr) {
visit(optargmultipleasgninstr.getArray());
jvmAdapter().checkcast(p(RubyArray.class));
jvmAdapter().ldc(optargmultipleasgninstr.getMinArgsLength());
jvmAdapter().ldc(optargmultipleasgninstr.getIndex());
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "extractOptionalArgument", sig(IRubyObject.class, RubyArray.class, int.class, int.class));
jvmStoreLocal(optargmultipleasgninstr.getResult());
}
@Override
public void PopBindingInstr(PopBindingInstr popbindinginstr) {
jvmMethod().loadContext();
jvmMethod().invokeVirtual(Type.getType(ThreadContext.class), Method.getMethod("void popScope()"));
}
@Override
public void PopBlockFrameInstr(PopBlockFrameInstr instr) {
jvmMethod().loadContext();
visit(instr.getFrame());
jvmAdapter().invokevirtual(p(ThreadContext.class), "postYieldNoScope", sig(void.class, Frame.class));
}
@Override
public void PopMethodFrameInstr(PopMethodFrameInstr popframeinstr) {
jvmMethod().loadContext();
jvmMethod().invokeVirtual(Type.getType(ThreadContext.class), Method.getMethod("void postMethodFrameOnly()"));
}
@Override
public void PopBackrefFrameInstr(PopBackrefFrameInstr popframeinstr) {
jvmMethod().loadContext();
jvmMethod().invokeVirtual(Type.getType(ThreadContext.class), Method.getMethod("void postBackrefMethod()"));
}
@Override
public void PrepareBlockArgsInstr(PrepareBlockArgsInstr instr) {
jvmMethod().loadContext();
jvmMethod().loadSelfBlock();
jvmMethod().loadArgs();
jvmAdapter().ldc(((IRClosure)jvm.methodData().scope).receivesKeywordArgs());
jvmMethod().invokeIRHelper("prepareBlockArgs", sig(IRubyObject[].class, ThreadContext.class, Block.class, IRubyObject[].class, boolean.class));
jvmMethod().storeArgs();
}
@Override
public void PrepareFixedBlockArgsInstr(PrepareFixedBlockArgsInstr instr) {
jvmMethod().loadContext();
jvmMethod().loadSelfBlock();
jvmMethod().loadArgs();
jvmMethod().invokeIRHelper("prepareFixedBlockArgs", sig(IRubyObject[].class, ThreadContext.class, Block.class, IRubyObject[].class));
jvmMethod().storeArgs();
}
@Override
public void PrepareSingleBlockArgInstr(PrepareSingleBlockArgInstr instr) {
jvmMethod().loadContext();
jvmMethod().loadSelfBlock();
jvmMethod().loadArgs();
jvmMethod().invokeIRHelper("prepareSingleBlockArgs", sig(IRubyObject[].class, ThreadContext.class, Block.class, IRubyObject[].class));
jvmMethod().storeArgs();
}
@Override
public void PrepareNoBlockArgsInstr(PrepareNoBlockArgsInstr instr) {
jvmMethod().loadContext();
jvmMethod().loadSelfBlock();
jvmMethod().loadArgs();
jvmMethod().invokeIRHelper("prepareNoBlockArgs", sig(IRubyObject[].class, ThreadContext.class, Block.class, IRubyObject[].class));
jvmMethod().storeArgs();
}
@Override
public void ProcessModuleBodyInstr(ProcessModuleBodyInstr processmodulebodyinstr) {
jvmMethod().loadContext();
visit(processmodulebodyinstr.getModuleBody());
visit(processmodulebodyinstr.getBlock());
jvmMethod().invokeIRHelper("invokeModuleBody", sig(IRubyObject.class, ThreadContext.class, DynamicMethod.class, Block.class));
jvmStoreLocal(processmodulebodyinstr.getResult());
}
@Override
public void PushBlockBindingInstr(PushBlockBindingInstr instr) {
IRScope scope = jvm.methodData().scope;
// FIXME: Centralize this out of InterpreterContext
boolean reuseParentDynScope = scope.getExecutionContext().getFlags().contains(IRFlags.REUSE_PARENT_DYNSCOPE);
boolean pushNewDynScope = !scope.getExecutionContext().getFlags().contains(IRFlags.DYNSCOPE_ELIMINATED) && !reuseParentDynScope;
jvmMethod().loadContext();
jvmMethod().loadSelfBlock();
jvmAdapter().ldc(pushNewDynScope);
jvmAdapter().ldc(reuseParentDynScope);
jvmMethod().invokeIRHelper("pushBlockDynamicScopeIfNeeded", sig(DynamicScope.class, ThreadContext.class, Block.class, boolean.class, boolean.class));
jvmStoreLocal(DYNAMIC_SCOPE);
}
@Override
public void PushBlockFrameInstr(PushBlockFrameInstr instr) {
jvmMethod().loadContext();
jvmMethod().loadSelfBlock();
jvmAdapter().invokevirtual(p(Block.class), "getBinding", sig(Binding.class));
jvmAdapter().invokevirtual(p(ThreadContext.class), "preYieldNoScope", sig(Frame.class, Binding.class));
jvmStoreLocal(instr.getResult());
}
@Override
public void PushMethodBindingInstr(PushMethodBindingInstr pushbindinginstr) {
IRScope scope = jvm.methodData().scope;
if (scope.isScriptScope() &&
scope.getRootLexicalScope() != null) {
// script scope, so we don't push a new scope; instead we push the top-level scope it provides
jvmMethod().loadContext();
jvmMethod().loadStaticScope();
jvmMethod().invokeIRHelper("prepareScriptScope", sig(DynamicScope.class, ThreadContext.class, StaticScope.class));
jvmStoreLocal(DYNAMIC_SCOPE);
return;
} else {
jvmMethod().loadContext();
jvmMethod().loadStaticScope();
jvmAdapter().invokestatic(p(DynamicScope.class), "newDynamicScope", sig(DynamicScope.class, StaticScope.class));
jvmAdapter().dup();
jvmStoreLocal(DYNAMIC_SCOPE);
jvmMethod().invokeVirtual(Type.getType(ThreadContext.class), Method.getMethod("void pushScope(org.jruby.runtime.DynamicScope)"));
}
}
@Override
public void RaiseRequiredKeywordArgumentErrorInstr(RaiseRequiredKeywordArgumentError instr) {
jvmMethod().loadContext();
jvmAdapter().ldc(instr.getId());
jvmMethod().invokeIRHelper("newRequiredKeywordArgumentError", sig(RaiseException.class, ThreadContext.class, String.class));
jvmAdapter().athrow();
}
@Override
public void PushMethodFrameInstr(PushMethodFrameInstr pushframeinstr) {
jvmMethod().loadContext();
jvmMethod().loadFrameClass();
jvmMethod().loadFrameName();
jvmMethod().loadSelf();
jvmMethod().loadBlock();
jvmMethod().invokeVirtual(Type.getType(ThreadContext.class), Method.getMethod("void preMethodFrameOnly(org.jruby.RubyModule, String, org.jruby.runtime.builtin.IRubyObject, org.jruby.runtime.Block)"));
// FIXME: this should be part of explicit call protocol only when needed, optimizable, and correct for the scope
// See also CompiledIRMethod.call
jvmMethod().loadContext();
jvmAdapter().getstatic(p(Visibility.class), pushframeinstr.getVisibility().name(), ci(Visibility.class));
jvmAdapter().invokevirtual(p(ThreadContext.class), "setCurrentVisibility", sig(void.class, Visibility.class));
}
@Override
public void PushBackrefFrameInstr(PushBackrefFrameInstr pushframeinstr) {
jvmMethod().loadContext();
jvmMethod().invokeVirtual(Type.getType(ThreadContext.class), Method.getMethod("void preBackrefMethod()"));
}
@Override
public void PutClassVariableInstr(PutClassVariableInstr putclassvariableinstr) {
visit(putclassvariableinstr.getValue());
visit(putclassvariableinstr.getTarget());
// don't understand this logic; duplicated from interpreter
if (putclassvariableinstr.getValue() instanceof CurrentScope) {
jvmAdapter().pop2();
return;
}
// hmm.
jvmAdapter().checkcast(p(RubyModule.class));
jvmAdapter().swap();
jvmAdapter().ldc(putclassvariableinstr.getId());
jvmAdapter().swap();
jvmAdapter().invokevirtual(p(RubyModule.class), "setClassVar", sig(IRubyObject.class, String.class, IRubyObject.class));
jvmAdapter().pop();
}
@Override
public void PutConstInstr(PutConstInstr putconstinstr) {
IRBytecodeAdapter m = jvmMethod();
visit(putconstinstr.getTarget());
m.adapter.checkcast(p(RubyModule.class));
m.adapter.ldc(putconstinstr.getId());
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());
jvmMethod().putField(putfieldinstr.getId());
}
@Override
public void PutGlobalVarInstr(PutGlobalVarInstr putglobalvarinstr) {
visit(putglobalvarinstr.getValue());
jvmMethod().setGlobalVariable(putglobalvarinstr.getTarget().getId(), file, lastLine);
}
@Override
public void ReifyClosureInstr(ReifyClosureInstr reifyclosureinstr) {
jvmMethod().loadRuntime();
jvmLoadLocal("$blockArg");
jvmMethod().invokeIRHelper("newProc", sig(IRubyObject.class, Ruby.class, Block.class));
jvmStoreLocal(reifyclosureinstr.getResult());
}
@Override
public void ReceiveRubyExceptionInstr(ReceiveRubyExceptionInstr receiveexceptioninstr) {
// exception should be on stack from try/catch, so unwrap and store it
jvmStoreLocal(receiveexceptioninstr.getResult());
}
@Override
public void ReceiveJRubyExceptionInstr(ReceiveJRubyExceptionInstr receiveexceptioninstr) {
// exception should be on stack from try/catch, so just store it
jvmStoreLocal(receiveexceptioninstr.getResult());
}
@Override
public void ReceiveKeywordArgInstr(ReceiveKeywordArgInstr instr) {
jvmMethod().loadContext();
jvmMethod().loadArgs();
jvmAdapter().pushInt(instr.required);
jvmAdapter().ldc(instr.getId());
jvmAdapter().ldc(jvm.methodData().scope.receivesKeywordArgs());
jvmMethod().invokeIRHelper("receiveKeywordArg", sig(IRubyObject.class, ThreadContext.class, IRubyObject[].class, int.class, String.class, boolean.class));
jvmStoreLocal(instr.getResult());
}
@Override
public void ReceiveKeywordRestArgInstr(ReceiveKeywordRestArgInstr instr) {
jvmMethod().loadContext();
jvmMethod().loadArgs();
jvmAdapter().pushInt(instr.required);
jvmAdapter().ldc(jvm.methodData().scope.receivesKeywordArgs());
jvmMethod().invokeIRHelper("receiveKeywordRestArg", sig(IRubyObject.class, ThreadContext.class, IRubyObject[].class, int.class, boolean.class));
jvmStoreLocal(instr.getResult());
}
@Override
public void ReceiveOptArgInstr(ReceiveOptArgInstr instr) {
jvmMethod().loadContext();
jvmMethod().loadArgs();
jvmAdapter().pushInt(instr.requiredArgs);
jvmAdapter().pushInt(instr.preArgs);
jvmAdapter().pushInt(instr.getArgIndex());
jvmAdapter().ldc(jvm.methodData().scope.receivesKeywordArgs());
jvmMethod().invokeIRHelper("receiveOptArg", sig(IRubyObject.class, ThreadContext.class, IRubyObject[].class, int.class, int.class, int.class, boolean.class));
jvmStoreLocal(instr.getResult());
}
@Override
public void ReceivePreReqdArgInstr(ReceivePreReqdArgInstr instr) {
if (jvm.methodData().specificArity >= 0 &&
instr.getArgIndex() < jvm.methodData().specificArity) {
jvmAdapter().aload(jvm.methodData().signature.argOffset("arg" + instr.getArgIndex()));
} else {
jvmMethod().loadContext();
jvmMethod().loadArgs();
jvmAdapter().pushInt(instr.getArgIndex());
jvmMethod().invokeIRHelper("getPreArgSafe", sig(IRubyObject.class, ThreadContext.class, IRubyObject[].class, int.class));
}
jvmStoreLocal(instr.getResult());
}
@Override
public void ReceivePostReqdArgInstr(ReceivePostReqdArgInstr instr) {
jvmMethod().loadContext();
jvmMethod().loadArgs();
jvmAdapter().pushInt(instr.preReqdArgsCount);
jvmAdapter().pushInt(instr.optArgsCount);
jvmAdapter().pushBoolean(instr.restArg);
jvmAdapter().pushInt(instr.postReqdArgsCount);
jvmAdapter().pushInt(instr.getArgIndex());
jvmAdapter().ldc(jvm.methodData().scope.receivesKeywordArgs());
jvmMethod().invokeIRHelper("receivePostReqdArg", sig(IRubyObject.class, ThreadContext.class, IRubyObject[].class, int.class, int.class, boolean.class, int.class, int.class, boolean.class));
jvmStoreLocal(instr.getResult());
}
@Override
public void ReceiveRestArgInstr(ReceiveRestArgInstr instr) {
jvmMethod().loadContext();
jvmMethod().loadArgs();
jvmAdapter().pushInt(instr.required);
jvmAdapter().pushInt(instr.getArgIndex());
jvmAdapter().ldc(jvm.methodData().scope.receivesKeywordArgs());
jvmMethod().invokeIRHelper("receiveRestArg", sig(IRubyObject.class, ThreadContext.class, Object[].class, int.class, int.class, boolean.class));
jvmStoreLocal(instr.getResult());
}
@Override
public void ReceiveSelfInstr(ReceiveSelfInstr receiveselfinstr) {
// noop...self is passed in
}
@Override
public void RecordEndBlockInstr(RecordEndBlockInstr recordEndBlockInstr) {
jvmMethod().loadContext();
jvmMethod().loadContext();
visit(recordEndBlockInstr.getEndBlockClosure());
jvmMethod().invokeIRHelper("getBlockFromObject", sig(Block.class, ThreadContext.class, Object.class));
jvmMethod().invokeIRHelper("pushExitBlock", sig(void.class, ThreadContext.class, Block.class));
}
@Override
public void ReqdArgMultipleAsgnInstr(ReqdArgMultipleAsgnInstr reqdargmultipleasgninstr) {
jvmMethod().loadContext();
visit(reqdargmultipleasgninstr.getArray());
jvmAdapter().checkcast(p(RubyArray.class));
jvmAdapter().pushInt(reqdargmultipleasgninstr.getPreArgsCount());
jvmAdapter().pushInt(reqdargmultipleasgninstr.getIndex());
jvmAdapter().pushInt(reqdargmultipleasgninstr.getPostArgsCount());
jvmMethod().invokeIRHelper("irReqdArgMultipleAsgn", sig(IRubyObject.class, ThreadContext.class, RubyArray.class, int.class, int.class, int.class));
jvmStoreLocal(reqdargmultipleasgninstr.getResult());
}
@Override
public void RescueEQQInstr(RescueEQQInstr rescueeqqinstr) {
jvmMethod().loadContext();
visit(rescueeqqinstr.getArg1());
visit(rescueeqqinstr.getArg2());
jvmMethod().invokeIRHelper("isExceptionHandled", sig(IRubyObject.class, ThreadContext.class, IRubyObject.class, Object.class));
jvmStoreLocal(rescueeqqinstr.getResult());
}
@Override
public void RestArgMultipleAsgnInstr(RestArgMultipleAsgnInstr restargmultipleasgninstr) {
jvmMethod().loadContext();
visit(restargmultipleasgninstr.getArray());
jvmAdapter().checkcast(p(RubyArray.class));
jvmAdapter().pushInt(restargmultipleasgninstr.getPreArgsCount());
jvmAdapter().pushInt(restargmultipleasgninstr.getPostArgsCount());
jvmAdapter().invokestatic(p(Helpers.class), "viewArgsArray", sig(RubyArray.class, ThreadContext.class, RubyArray.class, int.class, int.class));
jvmStoreLocal(restargmultipleasgninstr.getResult());
}
@Override
public void RestoreBindingVisibilityInstr(RestoreBindingVisibilityInstr instr) {
jvmMethod().loadSelfBlock();
jvmAdapter().invokevirtual(p(Block.class), "getBinding", sig(Binding.class));
jvmAdapter().invokevirtual(p(Binding.class), "getFrame", sig(Frame.class));
visit(instr.getVisibility());
jvmAdapter().invokevirtual(p(Frame.class), "setVisibility", sig(void.class, Visibility.class));
}
@Override
public void ReturnOrRethrowSavedExcInstr(ReturnOrRethrowSavedExcInstr instr) {
jvmMethod().loadContext();
visit(instr.getReturnValue());
jvmMethod().invokeIRHelper("returnOrRethrowSavedException", sig(IRubyObject.class, ThreadContext.class, IRubyObject.class));
jvmMethod().returnValue();
}
@Override
public void RuntimeHelperCall(RuntimeHelperCall runtimehelpercall) {
switch (runtimehelpercall.getHelperMethod()) {
case HANDLE_PROPAGATED_BREAK:
jvmMethod().loadContext();
jvmLoadLocal(DYNAMIC_SCOPE);
visit(runtimehelpercall.getArgs()[0]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "handlePropagatedBreak", sig(IRubyObject.class, ThreadContext.class, DynamicScope.class, Object.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case HANDLE_NONLOCAL_RETURN:
jvmLoadLocal(DYNAMIC_SCOPE);
visit(runtimehelpercall.getArgs()[0]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "handleNonlocalReturn", sig(IRubyObject.class, DynamicScope.class, Object.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case HANDLE_BREAK_AND_RETURNS_IN_LAMBDA:
jvmMethod().loadContext();
jvmLoadLocal(DYNAMIC_SCOPE);
visit(runtimehelpercall.getArgs()[0]);
jvmMethod().loadSelfBlock();
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "handleBreakAndReturnsInLambdas", sig(IRubyObject.class, ThreadContext.class, DynamicScope.class, Object.class, Block.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case IS_DEFINED_BACKREF:
jvmMethod().loadContext();
visit(runtimehelpercall.getArgs()[0]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "isDefinedBackref", sig(IRubyObject.class, ThreadContext.class, IRubyObject.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case IS_DEFINED_CALL:
jvmMethod().loadContext();
jvmMethod().loadSelf();
visit(runtimehelpercall.getArgs()[0]);
jvmAdapter().ldc(((Stringable) runtimehelpercall.getArgs()[1]).getString());
visit(runtimehelpercall.getArgs()[2]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "isDefinedCall", sig(IRubyObject.class, ThreadContext.class, IRubyObject.class, IRubyObject.class, String.class, IRubyObject.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case IS_DEFINED_CONSTANT_OR_METHOD:
jvmMethod().loadContext();
visit(runtimehelpercall.getArgs()[0]);
jvmAdapter().ldc(((Stringable)runtimehelpercall.getArgs()[1]).getString());
visit(runtimehelpercall.getArgs()[2]);
visit(runtimehelpercall.getArgs()[3]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "isDefinedConstantOrMethod", sig(IRubyObject.class, ThreadContext.class, IRubyObject.class, String.class, IRubyObject.class, IRubyObject.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case IS_DEFINED_NTH_REF:
jvmMethod().loadContext();
jvmAdapter().ldc((int)((Fixnum)runtimehelpercall.getArgs()[0]).getValue());
visit(runtimehelpercall.getArgs()[1]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "isDefinedNthRef", sig(IRubyObject.class, ThreadContext.class, int.class, IRubyObject.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case IS_DEFINED_GLOBAL:
jvmMethod().loadContext();
jvmAdapter().ldc(((Stringable)runtimehelpercall.getArgs()[0]).getString());
visit(runtimehelpercall.getArgs()[1]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "isDefinedGlobal", sig(IRubyObject.class, ThreadContext.class, String.class, IRubyObject.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case IS_DEFINED_INSTANCE_VAR:
jvmMethod().loadContext();
visit(runtimehelpercall.getArgs()[0]);
jvmAdapter().ldc(((Stringable)runtimehelpercall.getArgs()[1]).getString());
visit(runtimehelpercall.getArgs()[2]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "isDefinedInstanceVar", sig(IRubyObject.class, ThreadContext.class, IRubyObject.class, String.class, IRubyObject.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case IS_DEFINED_CLASS_VAR:
jvmMethod().loadContext();
visit(runtimehelpercall.getArgs()[0]);
jvmAdapter().checkcast(p(RubyModule.class));
jvmAdapter().ldc(((Stringable)runtimehelpercall.getArgs()[1]).getString());
visit(runtimehelpercall.getArgs()[2]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "isDefinedClassVar", sig(IRubyObject.class, ThreadContext.class, RubyModule.class, String.class, IRubyObject.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case IS_DEFINED_SUPER:
jvmMethod().loadContext();
visit(runtimehelpercall.getArgs()[0]);
jvmMethod().loadFrameName();
jvmMethod().loadFrameClass();
visit(runtimehelpercall.getArgs()[1]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "isDefinedSuper", sig(IRubyObject.class, ThreadContext.class, IRubyObject.class, String.class, RubyModule.class, IRubyObject.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case IS_DEFINED_METHOD:
jvmMethod().loadContext();
visit(runtimehelpercall.getArgs()[0]);
jvmAdapter().ldc(((Stringable) runtimehelpercall.getArgs()[1]).getString());
jvmAdapter().ldc(((Boolean)runtimehelpercall.getArgs()[2]).isTrue());
visit(runtimehelpercall.getArgs()[3]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "isDefinedMethod", sig(IRubyObject.class, ThreadContext.class, IRubyObject.class, String.class, boolean.class, IRubyObject.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
case MERGE_KWARGS:
jvmMethod().loadContext();
visit(runtimehelpercall.getArgs()[0]);
visit(runtimehelpercall.getArgs()[1]);
jvmAdapter().invokestatic(p(IRRuntimeHelpers.class), "mergeKeywordArguments", sig(IRubyObject.class, ThreadContext.class, IRubyObject.class, IRubyObject.class));
jvmStoreLocal(runtimehelpercall.getResult());
break;
default:
throw new NotCompilableException("Unknown IR runtime helper method: " + runtimehelpercall.getHelperMethod() + "; INSTR: " + this);
}
}
@Override
public void SaveBindingVisibilityInstr(SaveBindingVisibilityInstr instr) {
jvmMethod().loadSelfBlock();
jvmAdapter().invokevirtual(p(Block.class), "getBinding", sig(Binding.class));
jvmAdapter().invokevirtual(p(Binding.class), "getFrame", sig(Frame.class));
jvmAdapter().invokevirtual(p(Frame.class), "getVisibility", sig(Visibility.class));
jvmStoreLocal(instr.getResult());
}
@Override
public void ToggleBacktraceInstr(ToggleBacktraceInstr instr) {
jvmMethod().loadContext();
jvmAdapter().pushBoolean(instr.requiresBacktrace());
jvmAdapter().invokevirtual(p(ThreadContext.class), "setExceptionRequiresBacktrace", sig(void.class, boolean.class));
}
@Override
public void NonlocalReturnInstr(NonlocalReturnInstr returninstr) {
jvmMethod().loadContext();
jvmLoadLocal(DYNAMIC_SCOPE);
jvmMethod().loadSelfBlock();
visit(returninstr.getReturnValue());
jvmMethod().invokeIRHelper("initiateNonLocalReturn", sig(IRubyObject.class, ThreadContext.class, DynamicScope.class, Block.class, IRubyObject.class));
jvmMethod().returnValue();
}
@Override
public void ReturnInstr(ReturnInstr returninstr) {
visit(returninstr.getReturnValue());
jvmMethod().returnValue();
}
@Override
public void SearchConstInstr(SearchConstInstr searchconstinstr) {
jvmMethod().loadContext();
visit(searchconstinstr.getStartingScope());
jvmMethod().searchConst(searchconstinstr.getId(), searchconstinstr.isNoPrivateConsts());
jvmStoreLocal(searchconstinstr.getResult());
}
@Override
public void SearchModuleForConstInstr(SearchModuleForConstInstr instr) {
jvmMethod().loadContext();
visit(instr.getCurrentModule());
jvmMethod().searchModuleForConst(instr.getId(), instr.isNoPrivateConsts(), instr.callConstMissing());
jvmStoreLocal(instr.getResult());
}
@Override
public void SetCapturedVarInstr(SetCapturedVarInstr instr) {
jvmMethod().loadContext();
visit(instr.getMatch2Result());
jvmAdapter().ldc(instr.getId());
jvmMethod().invokeIRHelper("setCapturedVar", sig(IRubyObject.class, ThreadContext.class, IRubyObject.class, String.class));
jvmStoreLocal(instr.getResult());
}
@Override
public void StoreLocalVarInstr(StoreLocalVarInstr storelocalvarinstr) {
IRBytecodeAdapter m = jvmMethod();
jvmLoadLocal(DYNAMIC_SCOPE);
int depth = storelocalvarinstr.getLocalVar().getScopeDepth();
int location = storelocalvarinstr.getLocalVar().getLocation();
Operand storeValue = storelocalvarinstr.getValue();
switch (depth) {
case 0:
switch (location) {
case 0:
storeValue.visit(this);
m.adapter.invokevirtual(p(DynamicScope.class), "setValueZeroDepthZero", sig(IRubyObject.class, IRubyObject.class));
m.adapter.pop();
return;
case 1:
storeValue.visit(this);
m.adapter.invokevirtual(p(DynamicScope.class), "setValueOneDepthZero", sig(IRubyObject.class, IRubyObject.class));
m.adapter.pop();
return;
case 2:
storeValue.visit(this);
m.adapter.invokevirtual(p(DynamicScope.class), "setValueTwoDepthZero", sig(IRubyObject.class, IRubyObject.class));
m.adapter.pop();
return;
case 3:
storeValue.visit(this);
m.adapter.invokevirtual(p(DynamicScope.class), "setValueThreeDepthZero", sig(IRubyObject.class, IRubyObject.class));
m.adapter.pop();
return;
default:
storeValue.visit(this);
m.adapter.pushInt(location);
m.adapter.invokevirtual(p(DynamicScope.class), "setValueDepthZero", sig(IRubyObject.class, IRubyObject.class, int.class));
m.adapter.pop();
return;
}
default:
m.adapter.pushInt(location);
storeValue.visit(this);
m.adapter.pushInt(depth);
m.adapter.invokevirtual(p(DynamicScope.class), "setValue", sig(IRubyObject.class, int.class, IRubyObject.class, int.class));
m.adapter.pop();
}
}
@Override
public void ThreadPollInstr(ThreadPollInstr threadpollinstr) {
jvmMethod().checkpoint();
}
@Override
public void ThrowExceptionInstr(ThrowExceptionInstr throwexceptioninstr) {
visit(throwexceptioninstr.getException());
jvmAdapter().athrow();
}
@Override
public void ToAryInstr(ToAryInstr toaryinstr) {
jvmMethod().loadContext();
visit(toaryinstr.getArray());
jvmMethod().invokeIRHelper("irToAry", sig(IRubyObject.class, ThreadContext.class, IRubyObject.class));
jvmStoreLocal(toaryinstr.getResult());
}
@Override
public void TraceInstr(TraceInstr traceInstr) {
jvmMethod().loadContext();
jvmAdapter().getstatic(p(RubyEvent.class), traceInstr.getEvent().name(), ci(RubyEvent.class));
String name = traceInstr.getName();
if (name == null) {
jvmAdapter().aconst_null();
} else {
jvmAdapter().ldc(name);
}
jvmAdapter().ldc(traceInstr.getFilename());
jvmAdapter().ldc(traceInstr.getLinenumber());
jvmMethod().invokeIRHelper("callTrace", sig(void.class, ThreadContext.class, RubyEvent.class, String.class, String.class, int.class));
}
@Override
public void UndefMethodInstr(UndefMethodInstr undefmethodinstr) {
jvmMethod().loadContext();
visit(undefmethodinstr.getMethodName());
jvmLoadLocal(DYNAMIC_SCOPE);
jvmMethod().loadSelf();
jvmMethod().invokeIRHelper("undefMethod", sig(IRubyObject.class, ThreadContext.class, Object.class, DynamicScope.class, IRubyObject.class));
jvmStoreLocal(undefmethodinstr.getResult());
}
@Override
public void UnresolvedSuperInstr(UnresolvedSuperInstr unresolvedsuperinstr) {
String name = unresolvedsuperinstr.getId();
Operand[] args = unresolvedsuperinstr.getCallArgs();
// this would be getDefiningModule but that is not used for unresolved super
Operand definingModule = UndefinedValue.UNDEFINED;
boolean[] splatMap = unresolvedsuperinstr.splatMap();
Operand closure = unresolvedsuperinstr.getClosureArg(null);
superCommon(name, unresolvedsuperinstr, args, definingModule, splatMap, closure);
}
@Override
public void UpdateBlockExecutionStateInstr (UpdateBlockExecutionStateInstr instr) {
jvmMethod().loadSelfBlock();
jvmMethod().loadSelf();
jvmMethod().invokeIRHelper("updateBlockState", sig(IRubyObject.class, Block.class, IRubyObject.class));
jvmMethod().storeSelf();
}
@Override
public void YieldInstr(YieldInstr yieldinstr) {
jvmMethod().loadContext();
visit(yieldinstr.getBlockArg());
if (yieldinstr.getYieldArg() == UndefinedValue.UNDEFINED) {
jvmMethod().yieldSpecific();
} else {
Operand yieldOp = yieldinstr.getYieldArg();
if (yieldinstr.isUnwrapArray() && yieldOp instanceof Array && ((Array) yieldOp).size() > 1) {
Array yieldValues = (Array) yieldOp;
for (Operand yieldValue : yieldValues) {
visit(yieldValue);
}
jvmMethod().yieldValues(yieldValues.size());
} else {
visit(yieldinstr.getYieldArg());
jvmMethod().yield(yieldinstr.isUnwrapArray());
}
}
jvmStoreLocal(yieldinstr.getResult());
}
@Override
public void ZSuperInstr(ZSuperInstr zsuperinstr) {
String name = zsuperinstr.getId();
Operand[] args = zsuperinstr.getCallArgs();
// this would be getDefiningModule but that is not used for unresolved super
Operand definingModule = UndefinedValue.UNDEFINED;
boolean[] splatMap = zsuperinstr.splatMap();
Operand closure = zsuperinstr.getClosureArg(null);
superCommon(name, zsuperinstr, args, definingModule, splatMap, closure);
}
@Override
public void GetErrorInfoInstr(GetErrorInfoInstr geterrorinfoinstr) {
jvmMethod().loadContext();
jvmAdapter().invokevirtual(p(ThreadContext.class), "getErrorInfo", sig(IRubyObject.class));
jvmStoreLocal(geterrorinfoinstr.getResult());
}
@Override
public void RestoreErrorInfoInstr(RestoreErrorInfoInstr restoreerrorinfoinstr) {
jvmMethod().loadContext();
visit(restoreerrorinfoinstr.getArg());
jvmAdapter().invokevirtual(p(ThreadContext.class), "setErrorInfo", sig(IRubyObject.class, IRubyObject.class));
jvmAdapter().pop();
}
// ruby 1.9 specific
@Override
public void BuildLambdaInstr(BuildLambdaInstr buildlambdainstr) {
jvmMethod().loadRuntime();
IRClosure body = ((WrappedIRClosure)buildlambdainstr.getLambdaBody()).getClosure();
if (body == null) {
jvmMethod().pushNil();
} else {
visit(buildlambdainstr.getLambdaBody());
}
jvmAdapter().getstatic(p(Block.Type.class), "LAMBDA", ci(Block.Type.class));
jvmAdapter().ldc(buildlambdainstr.getFile());
jvmAdapter().pushInt(buildlambdainstr.getLine());
jvmAdapter().invokestatic(p(RubyProc.class), "newProc", sig(RubyProc.class, Ruby.class, Block.class, Block.Type.class, String.class, int.class));
jvmStoreLocal(buildlambdainstr.getResult());
}
@Override
public void GetEncodingInstr(GetEncodingInstr getencodinginstr) {
jvmMethod().loadContext();
jvmMethod().pushEncoding(getencodinginstr.getEncoding());
jvmStoreLocal(getencodinginstr.getResult());
}
// operands
@Override
public void Array(Array array) {
jvmMethod().loadContext();
for (Operand operand : array.getElts()) {
visit(operand);
}
jvmMethod().array(array.getElts().length);
}
@Override
public void AsString(AsString asstring) {
visit(asstring.getSource());
jvmAdapter().invokeinterface(p(IRubyObject.class), "asString", sig(RubyString.class));
}
@Override
public void Bignum(Bignum bignum) {
jvmMethod().pushBignum(bignum.value);
}
@Override
public void Boolean(org.jruby.ir.operands.Boolean booleanliteral) {
jvmMethod().pushBoolean(booleanliteral.isTrue());
}
@Override
public void UnboxedBoolean(org.jruby.ir.operands.UnboxedBoolean bool) {
jvmAdapter().ldc(bool.isTrue());
}
@Override
public void ClosureLocalVariable(ClosureLocalVariable closurelocalvariable) {
LocalVariable(closurelocalvariable);
}
@Override
public void Complex(Complex complex) {
jvmMethod().loadRuntime();
jvmMethod().pushFixnum(0);
visit(complex.getNumber());
jvmAdapter().invokestatic(p(RubyComplex.class), "newComplexRaw", sig(RubyComplex.class, Ruby.class, IRubyObject.class, IRubyObject.class));
}
@Override
public void CurrentScope(CurrentScope currentscope) {
jvmMethod().loadStaticScope();
}
@Override
public void DynamicSymbol(DynamicSymbol dynamicsymbol) {
jvmMethod().loadRuntime();
visit(dynamicsymbol.getSymbolName());
jvmAdapter().dup();
// get symbol name
jvmAdapter().invokeinterface(p(IRubyObject.class), "asJavaString", sig(String.class));
jvmAdapter().swap();
// get encoding of symbol name
jvmAdapter().invokeinterface(p(IRubyObject.class), "asString", sig(RubyString.class));
jvmAdapter().invokevirtual(p(RubyString.class), "getByteList", sig(ByteList.class));
jvmAdapter().invokevirtual(p(ByteList.class), "getEncoding", sig(Encoding.class));
// keeps encoding of symbol name
jvmAdapter().invokevirtual(p(Ruby.class), "newSymbol", sig(RubySymbol.class, String.class, Encoding.class));
}
@Override
public void Filename(Filename filename) {
jvmMethod().loadContext();
jvmMethod().loadStaticScope();
jvmMethod().invokeIRHelper("getFileNameStringFromScope", sig(RubyString.class, ThreadContext.class, StaticScope.class));
}
@Override
public void Fixnum(Fixnum fixnum) {
jvmMethod().pushFixnum(fixnum.getValue());
}
@Override
public void FrozenString(FrozenString frozen) {
jvmMethod().pushFrozenString(frozen.getByteList(), frozen.getCodeRange(), frozen.getFile(), frozen.getLine());
}
@Override
public void UnboxedFixnum(UnboxedFixnum fixnum) {
jvmAdapter().ldc(fixnum.getValue());
}
@Override
public void Float(org.jruby.ir.operands.Float flote) {
jvmMethod().pushFloat(flote.getValue());
}
@Override
public void UnboxedFloat(org.jruby.ir.operands.UnboxedFloat flote) {
jvmAdapter().ldc(flote.getValue());
}
@Override
public void Hash(Hash hash) {
List> pairs = hash.getPairs();
Iterator> iter = pairs.iterator();
boolean kwargs = hash.isKWArgsHash && pairs.get(0).getKey() == Symbol.KW_REST_ARG_DUMMY;
jvmMethod().loadContext();
if (kwargs) {
visit(pairs.get(0).getValue());
jvmAdapter().checkcast(p(RubyHash.class));
iter.next();
}
for (; iter.hasNext() ;) {
KeyValuePair pair = iter.next();
visit(pair.getKey());
visit(pair.getValue());
}
if (kwargs) {
jvmMethod().kwargsHash(pairs.size() - 1);
} else {
jvmMethod().hash(pairs.size());
}
}
@Override
public void LocalVariable(LocalVariable localvariable) {
IRBytecodeAdapter m = jvmMethod();
int depth = localvariable.getScopeDepth();
int location = localvariable.getLocation();
// We can only use the fast path with no null checking in methods, since closures may JIT independently
// atop methods that do not guarantee all scoped vars are initialized. See jruby/jruby#4235.
if (jvm.methodData().scope instanceof IRMethod) {
jvmLoadLocal(DYNAMIC_SCOPE);
if (depth == 0) {
if (location < DynamicScopeGenerator.SPECIALIZED_GETS.size()) {
m.adapter.invokevirtual(p(DynamicScope.class), DynamicScopeGenerator.SPECIALIZED_GETS.get(location), sig(IRubyObject.class));
} else {
m.adapter.pushInt(location);
m.adapter.invokevirtual(p(DynamicScope.class), "getValueDepthZero", sig(IRubyObject.class, int.class));
}
} else {
m.adapter.pushInt(location);
m.adapter.pushInt(depth);
m.adapter.invokevirtual(p(DynamicScope.class), "getValue", sig(IRubyObject.class, int.class, int.class));
}
} else {
jvmLoadLocal(DYNAMIC_SCOPE);
if (depth == 0) {
if (location < DynamicScopeGenerator.SPECIALIZED_GETS_OR_NIL.size()) {
m.pushNil();
m.adapter.invokevirtual(p(DynamicScope.class), DynamicScopeGenerator.SPECIALIZED_GETS_OR_NIL.get(location), sig(IRubyObject.class, IRubyObject.class));
} else {
m.adapter.pushInt(location);
m.pushNil();
m.adapter.invokevirtual(p(DynamicScope.class), "getValueDepthZeroOrNil", sig(IRubyObject.class, int.class, IRubyObject.class));
}
} else {
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 Nil(Nil nil) {
jvmMethod().pushNil();
}
@Override
public void NthRef(NthRef nthref) {
jvmMethod().loadContext();
jvmAdapter().pushInt(nthref.matchNumber);
jvmMethod().invokeIRHelper("nthMatch", sig(IRubyObject.class, ThreadContext.class, int.class));
}
@Override
public void NullBlock(NullBlock nullblock) {
jvmAdapter().getstatic(p(Block.class), "NULL_BLOCK", ci(Block.class));
}
@Override
public void ObjectClass(ObjectClass objectclass) {
jvmMethod().pushObjectClass();
}
@Override
public void Rational(Rational rational) {
jvmMethod().loadRuntime();
visit(rational.getNumerator());
visit(rational.getDenominator());
jvmAdapter().invokestatic(p(RubyRational.class), "newRationalRaw", sig(RubyRational.class, Ruby.class, IRubyObject.class, IRubyObject.class));
}
@Override
public void Regexp(Regexp regexp) {
jvmMethod().pushRegexp(regexp.getSource(), regexp.options.toEmbeddedOptions());
}
@Override
public void Scope(Scope scope) {
IRScope irScope = scope.getScope();
String name = JavaNameMangler.encodeScopeForBacktrace(irScope) + '$' + methodIndex++ + "_IRSCope";
if (scopeMap.get(name) == null) {
scopeMap.put(name, irScope);
jvm.cls().visitField(Opcodes.ACC_STATIC | Opcodes.ACC_PUBLIC | Opcodes.ACC_VOLATILE, name, ci(IRScope.class), null, null).visitEnd();
}
jvmAdapter().getstatic(jvm.clsData().clsName, name, ci(IRScope.class));
jvmAdapter().invokestatic(p(Helpers.class), "getStaticScope", sig(StaticScope.class, IRScope.class));
}
@Override
public void ScopeModule(ScopeModule scopemodule) {
jvmMethod().loadStaticScope();
jvmAdapter().pushInt(scopemodule.getScopeModuleDepth());
jvmAdapter().invokestatic(p(Helpers.class), "getNthScopeModule", sig(RubyModule.class, StaticScope.class, int.class));
}
@Override
public void Self(Self self) {
jvmMethod().loadSelf();
}
@Override
public void Splat(Splat splat) {
visit(splat.getArray());
// Splat is now only used in call arg lists where it is guaranteed that
// the splat-arg is an array.
//
// It is:
// - either a result of a args-cat/args-push (which generate an array),
// - or a result of a BuildSplatInstr (which also generates an array),
// - or a rest-arg that has been received (which also generates an array)
// and is being passed via zsuper.
//
// In addition, since this only shows up in call args, the array itself is
// never modified. The array elements are extracted out and inserted into
// a java array. So, a dup is not required either.
//
// So, besides retrieving the array, nothing more to be done here!
}
@Override
public void StandardError(StandardError standarderror) {
jvmMethod().loadRuntime();
jvmAdapter().invokevirtual(p(Ruby.class), "getStandardError", sig(RubyClass.class));
}
@Override
public void StringLiteral(StringLiteral stringliteral) {
jvmMethod().pushString(stringliteral.getByteList(), stringliteral.getCodeRange());
}
@Override
public void SValue(SValue svalue) {
visit(svalue.getArray());
jvmAdapter().dup();
jvmAdapter().instance_of(p(RubyArray.class));
org.objectweb.asm.Label after = new org.objectweb.asm.Label();
jvmAdapter().iftrue(after);
jvmAdapter().pop();
jvmMethod().pushNil();
jvmAdapter().label(after);
}
@Override
public void Symbol(Symbol symbol) {
jvmMethod().pushSymbol(symbol.getBytes());
}
@Override
public void SymbolProc(SymbolProc symbolproc) {
jvmMethod().pushSymbolProc(symbolproc.getId());
}
@Override
public void TemporaryVariable(TemporaryVariable temporaryvariable) {
jvmLoadLocal(temporaryvariable);
}
@Override
public void TemporaryLocalVariable(TemporaryLocalVariable temporarylocalvariable) {
jvmLoadLocal(temporarylocalvariable);
}
@Override
public void TemporaryFloatVariable(TemporaryFloatVariable temporaryfloatvariable) {
jvmLoadLocal(temporaryfloatvariable);
}
@Override
public void TemporaryFixnumVariable(TemporaryFixnumVariable temporaryfixnumvariable) {
jvmLoadLocal(temporaryfixnumvariable);
}
@Override
public void TemporaryBooleanVariable(TemporaryBooleanVariable temporarybooleanvariable) {
jvmLoadLocal(temporarybooleanvariable);
}
@Override
public void UndefinedValue(UndefinedValue undefinedvalue) {
jvmMethod().pushUndefined();
}
@Override
public void UnexecutableNil(UnexecutableNil unexecutablenil) {
throw new NotCompilableException(this.getClass().getSimpleName() + " should never be directly executed!");
}
@Override
public void WrappedIRClosure(WrappedIRClosure wrappedirclosure) {
IRClosure closure = wrappedirclosure.getClosure();
jvmMethod().loadContext();
visit(closure.getSelf());
jvmLoadLocal(DYNAMIC_SCOPE);
jvmMethod().prepareBlock(closure.getHandle(), closure.getSignature(), jvm.clsData().clsName);
}
private SkinnyMethodAdapter jvmAdapter() {
return jvmMethod().adapter;
}
private IRBytecodeAdapter jvmMethod() {
return jvm.method();
}
private final JVM jvm;
private final Ruby runtime;
private int methodIndex;
private String currentScopeName;
private Map scopeMap;
private String file;
private int lastLine = -1;
}
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