Examples of BranchCallback

Examples of org.jruby.compiler.BranchCallback

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    }

    public void isCaptured(final int number, final BranchCallback trueBranch, final BranchCallback falseBranch) {
        backref();
        method.dup();
        isInstanceOf(RubyMatchData.class, new BranchCallback() {

            public void branch(BodyCompiler context) {
                method.visitTypeInsn(CHECKCAST, p(RubyMatchData.class));
                method.dup();
                method.invokevirtual(p(RubyMatchData.class), "use", sig(void.class));
                method.pushInt(number);
                method.invokevirtual(p(RubyMatchData.class), "group", sig(IRubyObject.class, params(int.class)));
                method.invokeinterface(p(IRubyObject.class), "isNil", sig(boolean.class));
                Label isNil = new Label();
                Label after = new Label();

                method.ifne(isNil);
                trueBranch.branch(context);
                method.go_to(after);

                method.label(isNil);
                falseBranch.branch(context);
                method.label(after);
            }
        }, new BranchCallback() {

            public void branch(BodyCompiler context) {
                method.pop();
                falseBranch.branch(context);
            }
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Examples of org.jruby.compiler.BranchCallback

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    public void go(Object gotoToken) {
        method.go_to((Label) gotoToken);
    }

    public void isConstantBranch(final BranchCallback setup, final BranchCallback isConstant, final BranchCallback isMethod, final BranchCallback none, final String name) {
        rescue(new BranchCallback() {

            public void branch(BodyCompiler context) {
                setup.branch(BaseBodyCompiler.this);
                method.dup(); //[C,C]
                method.instance_of(p(RubyModule.class)); //[C, boolean]
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Examples of org.jruby.compiler.BranchCallback

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    }

    public void isCaptured(final int number, final BranchCallback trueBranch, final BranchCallback falseBranch) {
        backref();
        method.dup();
        isInstanceOf(RubyMatchData.class, new BranchCallback() {

            public void branch(BodyCompiler context) {
                method.visitTypeInsn(CHECKCAST, p(RubyMatchData.class));
                method.pushInt(number);
                method.invokevirtual(p(RubyMatchData.class), "group", sig(IRubyObject.class, params(int.class)));
                method.invokeinterface(p(IRubyObject.class), "isNil", sig(boolean.class));
                Label isNil = new Label();
                Label after = new Label();

                method.ifne(isNil);
                trueBranch.branch(context);
                method.go_to(after);

                method.label(isNil);
                falseBranch.branch(context);
                method.label(after);
            }
        }, new BranchCallback() {

            public void branch(BodyCompiler context) {
                method.pop();
                falseBranch.branch(context);
            }
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Examples of org.jruby.compiler.BranchCallback

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    public void go(Object gotoToken) {
        method.go_to((Label) gotoToken);
    }

    public void isConstantBranch(final BranchCallback setup, final String name) {
        BranchCallback catchCode = new BranchCallback() {
            public void branch(BodyCompiler context) {
                // restore the original exception
                loadThreadContext();
                method.aload(getPreviousExceptionIndex());
                invokeThreadContext("setErrorInfo", sig(IRubyObject.class, IRubyObject.class));
                method.pop();

                pushNull();
            }
        };
        BranchCallback regularCode = new BranchCallback() {
            public void branch(BodyCompiler context) {
                setup.branch(BaseBodyCompiler.this);
                method.ldc(name); //[C, C, String]
                invokeUtilityMethod("getDefinedConstantOrBoundMethod", sig(ByteList.class, IRubyObject.class, String.class));
            }
        };
        String mname = getNewRescueName();
        SkinnyMethodAdapter mv = new SkinnyMethodAdapter(
                script.getClassVisitor(),
                    ACC_PUBLIC | ACC_SYNTHETIC | ACC_STATIC,
                    mname,
                    sig(ByteList.class, "L" + script.getClassname() + ";", ThreadContext.class, IRubyObject.class, Block.class),
                    null,
                    null);
        SkinnyMethodAdapter old_method = null;
        SkinnyMethodAdapter var_old_method = null;
        SkinnyMethodAdapter inv_old_method = null;
        Label exitRescue = new Label();
        boolean oldWithinProtection = inNestedMethod;
        inNestedMethod = true;
        Label[] oldLoopLabels = currentLoopLabels;
        currentLoopLabels = null;
        int oldArgCount = argParamCount;
        argParamCount = 0; // synthetic methods always have zero arg parameters
        try {
            old_method = this.method;
            var_old_method = getVariableCompiler().getMethodAdapter();
            inv_old_method = getInvocationCompiler().getMethodAdapter();
            this.method = mv;
            getVariableCompiler().setMethodAdapter(mv);
            getInvocationCompiler().setMethodAdapter(mv);

            mv.start();

            // store previous exception for restoration if we rescue something
            loadThreadContext();
            invokeThreadContext("getErrorInfo", sig(IRubyObject.class));
            mv.astore(getPreviousExceptionIndex());

            mv.aload(StandardASMCompiler.THREADCONTEXT_INDEX);
            mv.invokevirtual(p(ThreadContext.class), "getCurrentScope", sig(DynamicScope.class));
            mv.astore(getDynamicScopeIndex());

            // if more than 4 vars, get values array too
            if (scope.getNumberOfVariables() > 4) {
                mv.aload(getDynamicScopeIndex());
                mv.invokevirtual(p(DynamicScope.class), "getValues", sig(IRubyObject[].class));
                mv.astore(getVarsArrayIndex());
            }

            Label beforeBody = new Label();
            Label afterBody = new Label();
            Label catchBlock = new Label();
            mv.trycatch(beforeBody, afterBody, catchBlock, p(JumpException.class));
            mv.label(beforeBody);

            regularCode.branch(this);

            mv.label(afterBody);
            mv.go_to(exitRescue);
            mv.label(catchBlock);
            mv.astore(getExceptionIndex());
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Examples of org.jruby.compiler.BranchCallback

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    }

    public void isCaptured(final int number, final BranchCallback trueBranch, final BranchCallback falseBranch) {
        backref();
        method.dup();
        isInstanceOf(RubyMatchData.class, new BranchCallback() {

            public void branch(BodyCompiler context) {
                method.visitTypeInsn(CHECKCAST, p(RubyMatchData.class));
                method.pushInt(number);
                method.invokevirtual(p(RubyMatchData.class), "group", sig(IRubyObject.class, params(int.class)));
                method.invokeinterface(p(IRubyObject.class), "isNil", sig(boolean.class));
                Label isNil = new Label();
                Label after = new Label();

                method.ifne(isNil);
                trueBranch.branch(context);
                method.go_to(after);

                method.label(isNil);
                falseBranch.branch(context);
                method.label(after);
            }
        }, new BranchCallback() {

            public void branch(BodyCompiler context) {
                method.pop();
                falseBranch.branch(context);
            }
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Examples of org.jruby.compiler.BranchCallback

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    public void go(Object gotoToken) {
        method.go_to((Label) gotoToken);
    }

    public void isConstantBranch(final BranchCallback setup, final String name) {
        BranchCallback catchCode = new BranchCallback() {
            public void branch(BodyCompiler context) {
                // restore the original exception
                loadThreadContext();
                method.aload(getPreviousExceptionIndex());
                invokeThreadContext("setErrorInfo", sig(IRubyObject.class, IRubyObject.class));
                method.pop();

                pushNull();
            }
        };
        BranchCallback regularCode = new BranchCallback() {
            public void branch(BodyCompiler context) {
                setup.branch(BaseBodyCompiler.this);
                method.ldc(name); //[C, C, String]
                invokeUtilityMethod("getDefinedConstantOrBoundMethod", sig(RubyString.class, IRubyObject.class, String.class));
            }
        };
        String mname = getNewRescueName();
        SkinnyMethodAdapter mv = new SkinnyMethodAdapter(
                script.getClassVisitor(),
                    ACC_PUBLIC | ACC_SYNTHETIC | ACC_STATIC,
                    mname,
                    sig(RubyString.class, "L" + script.getClassname() + ";", ThreadContext.class, IRubyObject.class, Block.class),
                    null,
                    null);
        SkinnyMethodAdapter old_method = null;
        SkinnyMethodAdapter var_old_method = null;
        SkinnyMethodAdapter inv_old_method = null;
        Label exitRescue = new Label();
        boolean oldWithinProtection = inNestedMethod;
        inNestedMethod = true;
        Label[] oldLoopLabels = currentLoopLabels;
        currentLoopLabels = null;
        int oldArgCount = argParamCount;
        argParamCount = 0; // synthetic methods always have zero arg parameters
        try {
            old_method = this.method;
            var_old_method = getVariableCompiler().getMethodAdapter();
            inv_old_method = getInvocationCompiler().getMethodAdapter();
            this.method = mv;
            getVariableCompiler().setMethodAdapter(mv);
            getInvocationCompiler().setMethodAdapter(mv);

            mv.start();

            // store previous exception for restoration if we rescue something
            loadThreadContext();
            invokeThreadContext("getErrorInfo", sig(IRubyObject.class));
            mv.astore(getPreviousExceptionIndex());

            mv.aload(StandardASMCompiler.THREADCONTEXT_INDEX);
            mv.invokevirtual(p(ThreadContext.class), "getCurrentScope", sig(DynamicScope.class));
            mv.astore(getDynamicScopeIndex());

            // if more than 4 vars, get values array too
            if (scope.getNumberOfVariables() > 4) {
                mv.aload(getDynamicScopeIndex());
                mv.invokevirtual(p(DynamicScope.class), "getValues", sig(IRubyObject[].class));
                mv.astore(getVarsArrayIndex());
            }

            Label beforeBody = new Label();
            Label afterBody = new Label();
            Label catchBlock = new Label();
            mv.trycatch(beforeBody, afterBody, catchBlock, p(JumpException.class));
            mv.label(beforeBody);

            regularCode.branch(this);

            mv.label(afterBody);
            mv.go_to(exitRescue);
            mv.label(catchBlock);
            mv.astore(getExceptionIndex());
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