null grid device added

com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/fastrGrid/FastRGridExternalLookup.java

@@ -35,6 +35,7 @@ import com.oracle.truffle.r.library.fastrGrid.grDevices.DevHoldFlush;
 import com.oracle.truffle.r.library.fastrGrid.grDevices.DevOff;
 import com.oracle.truffle.r.library.fastrGrid.grDevices.DevSize;
 import com.oracle.truffle.r.library.fastrGrid.grDevices.InitWindowedDevice;
+import com.oracle.truffle.r.library.fastrGrid.grDevices.PDF;
 import com.oracle.truffle.r.library.fastrGrid.grDevices.SavePlot;
 import com.oracle.truffle.r.library.fastrGrid.graphics.CPar;
 import com.oracle.truffle.r.nodes.builtin.RExternalBuiltinNode;
@@ -64,7 +65,7 @@ public final class FastRGridExternalLookup {
             case "devoff":
                 return DevOff.create();
             case "PDF":
-                return new IgnoredGridExternal(RNull.instance);
+                return new PDF();
             case "devCairo":
                 return new DevCairo();
             default:

com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/fastrGrid/device/NullDevice.java

+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.truffle.r.library.fastrGrid.device;
+
+public class NullDevice implements GridDevice {
+
+    @Override
+    public void openNewPage() {
+    }
+
+    @Override
+    public void drawRect(DrawingContext ctx, double leftX, double bottomY, double width, double height, double rotationAnticlockWise) {
+    }
+
+    @Override
+    public void drawPolyLines(DrawingContext ctx, double[] x, double[] y, int startIndex, int length) {
+    }
+
+    @Override
+    public void drawPolygon(DrawingContext ctx, double[] x, double[] y, int startIndex, int length) {
+    }
+
+    @Override
+    public void drawCircle(DrawingContext ctx, double centerX, double centerY, double radius) {
+    }
+
+    @Override
+    public void drawRaster(double leftX, double bottomY, double width, double height, int[] pixels, int pixelsColumnsCount, ImageInterpolation interpolation) {
+    }
+
+    @Override
+    public void drawString(DrawingContext ctx, double leftX, double bottomY, double rotationAnticlockWise, String text) {
+    }
+
+    @Override
+    public double getWidth() {
+        return 0;
+    }
+
+    @Override
+    public double getHeight() {
+        return 0;
+    }
+
+    @Override
+    public int getNativeWidth() {
+        return 0;
+    }
+
+    @Override
+    public int getNativeHeight() {
+        return 0;
+    }
+
+    @Override
+    public double getStringWidth(DrawingContext ctx, String text) {
+        return 0;
+    }
+
+    @Override
+    public double getStringHeight(DrawingContext ctx, String text) {
+        return 0;
+    }
+
+}

com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/fastrGrid/grDevices/DevCairo.java

 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,6 +24,7 @@ package com.oracle.truffle.r.library.fastrGrid.grDevices;
 
 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
 import com.oracle.truffle.r.library.fastrGrid.GridContext;
+import com.oracle.truffle.r.library.fastrGrid.device.NullDevice;
 import com.oracle.truffle.r.library.fastrGrid.device.SVGDevice;
 import com.oracle.truffle.r.nodes.builtin.RExternalBuiltinNode;
 import com.oracle.truffle.r.runtime.RError.Message;
@@ -44,6 +45,11 @@ public class DevCairo extends RExternalBuiltinNode {
         }
 
         String filename = RRuntime.asString(args.getArgument(0));
+        if (filename == null) {
+            GridContext.getContext().setCurrentDevice("null", new NullDevice());
+            return RNull.instance;
+        }
+
         int witdh = RRuntime.asInteger(args.getArgument(2));
         int height = RRuntime.asInteger(args.getArgument(3));
         if (RRuntime.isNA(witdh) || RRuntime.isNA(height) || RRuntime.isNA(filename) || filename.isEmpty()) {

com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/fastrGrid/grDevices/PDF.java

+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.truffle.r.library.fastrGrid.grDevices;
+
+import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
+import com.oracle.truffle.r.library.fastrGrid.GridContext;
+import com.oracle.truffle.r.library.fastrGrid.device.NullDevice;
+import com.oracle.truffle.r.nodes.builtin.RExternalBuiltinNode;
+import com.oracle.truffle.r.runtime.RError.Message;
+import com.oracle.truffle.r.runtime.RRuntime;
+import com.oracle.truffle.r.runtime.data.RArgsValuesAndNames;
+import com.oracle.truffle.r.runtime.data.RNull;
+
+public class PDF extends RExternalBuiltinNode {
+    static {
+        Casts.noCasts(PDF.class);
+    }
+
+    @Override
+    @TruffleBoundary
+    protected Object call(RArgsValuesAndNames args) {
+        if (args.getLength() < 1) {
+            throw error(Message.ARGUMENTS_REQUIRED_COUNT, args.getLength(), "PDF", 1);
+        }
+
+        String filename = RRuntime.asString(args.getArgument(0));
+        if (filename == null) {
+            GridContext.getContext().setCurrentDevice("null", new NullDevice());
+        }
+
+        // TODO: only a null PDF device "supported"
+
+        return RNull.instance;
+    }
+}

com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/fastrGrid/graphics/CPar.java

@@ -114,6 +114,9 @@ public final class CPar extends RExternalBuiltinNode {
             case "ylog":
                 // TODO:
                 return RDataFactory.createLogicalVectorFromScalar(false);
+            case "page":
+                // TODO:
+                return RDataFactory.createLogicalVectorFromScalar(false);
             default:
                 if (!FastROptions.IgnoreGraphicsCalls.getBooleanValue()) {
                     throw RError.nyi(RError.NO_CALLER, "C_Par parameter '" + name + "'");