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WIP: use indy to improve block dispatch
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core/src/main/java/org/jruby/ir/targets/BlockArgsSite.java
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| package org.jruby.ir.targets; | ||
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| import com.headius.invokebinder.Binder; | ||
| import org.jruby.ir.runtime.IRRuntimeHelpers; | ||
| import org.jruby.runtime.Block; | ||
| import org.jruby.runtime.CompiledIRBlockBody; | ||
| import org.jruby.runtime.ThreadContext; | ||
| import org.jruby.runtime.builtin.IRubyObject; | ||
| import org.objectweb.asm.Handle; | ||
| import org.objectweb.asm.Opcodes; | ||
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| import java.lang.invoke.CallSite; | ||
| import java.lang.invoke.MethodHandle; | ||
| import java.lang.invoke.MethodHandles; | ||
| import java.lang.invoke.MethodType; | ||
| import java.lang.invoke.MutableCallSite; | ||
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| import static org.jruby.util.CodegenUtils.p; | ||
| import static org.jruby.util.CodegenUtils.sig; | ||
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| public class BlockArgsSite extends MutableCallSite { | ||
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| public static final MethodHandles.Lookup LOOKUP = MethodHandles.publicLookup(); | ||
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| public BlockArgsSite(MethodType type) { | ||
| super(type); | ||
| } | ||
| // | ||
| // public static final Handle BOOTSTRAP = new Handle( | ||
| // Opcodes.H_INVOKESTATIC, p(BlockArgsSite.class), | ||
| // "bootstrap", | ||
| // sig(CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class), | ||
| // false); | ||
| // | ||
| // public static CallSite bootstrap(MethodHandles.Lookup lookup, String name, MethodType type) throws Throwable { | ||
| // BlockArgsSite site = new BlockArgsSite(type); | ||
| // | ||
| // MethodHandle handle; | ||
| // switch (name) { | ||
| // case "prepareNoBlockArgs": | ||
| // handle = Binder.from(type) | ||
| // .prepend(BlockArgsSite.class, site) | ||
| // .invokeVirtual(lookup, name); | ||
| // break; | ||
| // default: | ||
| // throw new RuntimeException("invalid block args type: " + name); | ||
| // } | ||
| // | ||
| // site.setTarget(handle); | ||
| // | ||
| // return site; | ||
| // } | ||
| // | ||
| // public IRubyObject[] prepareNoBlockArgs(ThreadContext context, Block block, IRubyObject[] args) { | ||
| // Binder prepBinder = Binder.from(type()); | ||
| //// .filter(2, nullToArgs); | ||
| // | ||
| // if (block.isLambda()) { | ||
| // prepBinder = prepBinder.foldVoid( | ||
| // b -> b | ||
| // .dropFirst(2) | ||
| // .prepend(block.getSignature(), context.runtime) | ||
| // .invokeVirtualQuiet(LOOKUP, "checkArity")); | ||
| // } | ||
| // | ||
| // setTarget(prepBinder.dropFirst(2).identity()); | ||
| // | ||
| // return IRRuntimeHelpers.prepareNoBlockArgs(context, block, args); | ||
| // } | ||
| // | ||
| // private static final MethodHandle nullToArgs = Binder | ||
| // .from(IRubyObject[].class, IRubyObject[].class) | ||
| // .invokeStaticQuiet(LOOKUP, BlockArgsSite.class, "nullToArgs"); | ||
| // | ||
| // public static IRubyObject[] nullToArgs(IRubyObject[] args) { | ||
| // return args == null ? IRubyObject.NULL_ARRAY : args; | ||
| // } | ||
| } |