Package org.jruby.ir.operands

Examples of org.jruby.ir.operands.NthRef

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                // SSS FIXME:
                // - Can/should I use BEQInstr(new NthRef(n), manager.getNil(), undefLabel)? instead of .nil? & compare with flag?
                // - Or, even create a new IsNilInstr and NotNilInstr to represent optimized scenarios where
                //   the nil? method is not monkey-patched?
                // This matters because if String.nil? is monkey-patched, the two sequences can behave differently.
                s.addInstr(CallInstr.create(tmpVar, new MethAddr("nil?"), new NthRef(n), NO_ARGS, null));
                s.addInstr(BEQInstr.create(tmpVar, manager.getTrue(), undefLabel));
                return buildDefnCheckIfThenPaths(s, undefLabel, new StringLiteral("$" + n));
            }
            case COLON3NODE:
            case COLON2NODE: {
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        // Once the "next instruction" (closure-return) executes, control exits this scope
        return UnexecutableNil.U_NIL;
    }

    public Operand buildNthRef(NthRefNode nthRefNode, IRScope s) {
        return copyAndReturnValue(s, new NthRef(nthRefNode.getMatchNumber()));
    }
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                // SSS FIXME:
                // - Can/should I use BEQInstr(new NthRef(n), manager.getNil(), undefLabel)? instead of .nil? & compare with flag?
                // - Or, even create a new IsNilInstr and NotNilInstr to represent optimized scenarios where
                //   the nil? method is not monkey-patched?
                // This matters because if String.nil? is monkey-patched, the two sequences can behave differently.
                s.addInstr(CallInstr.create(tmpVar, new MethAddr("nil?"), new NthRef(n), NO_ARGS, null));
                s.addInstr(BEQInstr.create(tmpVar, manager.getTrue(), undefLabel));
                return buildDefnCheckIfThenPaths(s, undefLabel, new StringLiteral("global-variable"));
            }
            default: {
                return buildGenericGetDefinitionIR(node, s);
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Related Classes of org.jruby.ir.operands.NthRef

  • org.jruby.ir.IRBuilder
  • org.jruby.ir.IRBuilder19
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