ScopeModule.java
- package org.jruby.ir.operands;
- import org.jruby.ir.IRVisitor;
- import org.jruby.ir.transformations.inlining.CloneInfo;
- import org.jruby.parser.StaticScope;
- import org.jruby.runtime.DynamicScope;
- import org.jruby.runtime.Helpers;
- import org.jruby.runtime.ThreadContext;
- import org.jruby.runtime.builtin.IRubyObject;
- import java.util.List;
- /**
- * Wrap a scope for the purpose of finding live module which happens to be associated with it.
- */
- public class ScopeModule extends Operand {
- // First four scopes are so common and this operand is immutable so we share them.
- public static final ScopeModule[] SCOPE_MODULE = {
- new ScopeModule(0), new ScopeModule(1), new ScopeModule(2), new ScopeModule(3), new ScopeModule(4)
- };
- public static ScopeModule ModuleFor(int depth) {
- return depth < SCOPE_MODULE.length ? SCOPE_MODULE[depth] : new ScopeModule(depth);
- }
-
- private final int scopeModuleDepth;
- public ScopeModule(int scopeModuleDepth) {
- super(OperandType.SCOPE_MODULE);
- this.scopeModuleDepth = scopeModuleDepth;
- }
- @Override
- public void addUsedVariables(List<Variable> l) {
- /* Do nothing */
- }
- @Override
- public Operand cloneForInlining(CloneInfo ii) {
- return this;
- }
- @Override
- public int hashCode() {
- return scopeModuleDepth;
- }
- public int getScopeModuleDepth() {
- return scopeModuleDepth;
- }
- @Override
- public boolean equals(Object other) {
- return other instanceof ScopeModule && scopeModuleDepth == ((ScopeModule) other).scopeModuleDepth;
- }
- @Override
- public boolean canCopyPropagate() {
- return true;
- }
- @Override
- public String toString() {
- return "module<" + scopeModuleDepth + ">";
- }
- @Override
- public Object retrieve(ThreadContext context, IRubyObject self, StaticScope currScope, DynamicScope currDynScope, Object[] temp) {
- return Helpers.getNthScopeModule(currScope, scopeModuleDepth);
- }
- @Override
- public void visit(IRVisitor visitor) {
- visitor.ScopeModule(this);
- }
- }