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Posted to dev@tapestry.apache.org by hl...@apache.org on 2011/04/06 21:12:25 UTC

svn commit: r1089588 - in /tapestry/tapestry5/trunk/plastic/src: main/java/org/apache/tapestry5/internal/plastic/ main/java/org/apache/tapestry5/plastic/ test/groovy/org/apache/tapestry5/plastic/ test/java/testsubjects/

Author: hlship
Date: Wed Apr  6 19:12:25 2011
New Revision: 1089588

URL: http://svn.apache.org/viewvc?rev=1089588&view=rev
Log:
TAP5-843: Handle wide primitive argument types correctly

(all plastic and ioc tests now pass)

Added:
    tapestry/tapestry5/trunk/plastic/src/test/java/testsubjects/WidePrimitives.java
Modified:
    tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/InstructionBuilderImpl.java
    tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/InstructionBuilderState.java
    tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/PrimitiveType.java
    tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/plastic/InstructionBuilder.java
    tapestry/tapestry5/trunk/plastic/src/test/groovy/org/apache/tapestry5/plastic/MethodAdviceTests.groovy

Modified: tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/InstructionBuilderImpl.java
URL: http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/InstructionBuilderImpl.java?rev=1089588&r1=1089587&r2=1089588&view=diff
==============================================================================
--- tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/InstructionBuilderImpl.java (original)
+++ tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/InstructionBuilderImpl.java Wed Apr  6 19:12:25 2011
@@ -118,9 +118,7 @@ public class InstructionBuilderImpl exte
 
         int opcode = type == null ? ALOAD : type.loadOpcode;
 
-        // TODO: May need to adjust offset for static (0) vs. instance (1) method.
-
-        v.visitVarInsn(opcode, index + 1);
+        v.visitVarInsn(state.argumentLoadOpcode[index], state.argumentIndex[index]);
 
         return this;
     }

Modified: tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/InstructionBuilderState.java
URL: http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/InstructionBuilderState.java?rev=1089588&r1=1089587&r2=1089588&view=diff
==============================================================================
--- tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/InstructionBuilderState.java (original)
+++ tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/InstructionBuilderState.java Wed Apr  6 19:12:25 2011
@@ -18,13 +18,14 @@ import java.util.Map;
 
 import org.apache.tapestry5.internal.plastic.asm.Label;
 import org.apache.tapestry5.internal.plastic.asm.MethodVisitor;
+import org.apache.tapestry5.internal.plastic.asm.Opcodes;
 import org.apache.tapestry5.plastic.MethodDescription;
 
 /**
  * Stores information about the method whose instructions are being constructed, to make it easier
  * to share data across multiple instances.
  */
-public class InstructionBuilderState
+public class InstructionBuilderState implements Opcodes
 {
     final MethodDescription description;
 
@@ -36,6 +37,12 @@ public class InstructionBuilderState
 
     final Map<String, LocalVariable> locals = PlasticInternalUtils.newMap();
 
+    /** Index for argument (0 is first true argument); allows for double-width primitive types. */
+    final int[] argumentIndex;
+
+    /** Opcode used to load argument (0 is first true argument). */
+    final int[] argumentLoadOpcode;
+
     protected InstructionBuilderState(MethodDescription description, MethodVisitor visitor, NameCache nameCache)
     {
         this.description = description;
@@ -44,7 +51,27 @@ public class InstructionBuilderState
 
         // TODO: Account for static methods?
 
-        localIndex = 1 + description.argumentTypes.length;
+        int argCount = description.argumentTypes.length;
+
+        argumentIndex = new int[argCount];
+        argumentLoadOpcode = new int[argCount];
+
+        // first argument index is for "this"
+
+        int offset = 1;
+
+        for (int i = 0; i < argCount; i++)
+        {
+            PrimitiveType type = PrimitiveType.getByName(description.argumentTypes[i]);
+
+            argumentIndex[i] = offset++;
+            argumentLoadOpcode[i] = type == null ? ALOAD : type.loadOpcode;
+
+            if (type != null && type.isWide())
+                offset++;
+        }
+
+        localIndex = offset;
     }
 
     Label newLabel()

Modified: tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/PrimitiveType.java
URL: http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/PrimitiveType.java?rev=1089588&r1=1089587&r2=1089588&view=diff
==============================================================================
--- tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/PrimitiveType.java (original)
+++ tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/PrimitiveType.java Wed Apr  6 19:12:25 2011
@@ -103,6 +103,11 @@ public enum PrimitiveType implements Opc
         }
     }
 
+    public boolean isWide()
+    {
+        return this == LONG || this == DOUBLE;
+    }
+
     /**
      * Returns the primitive type matching the given type name or null for a non-primitive type (an array type,
      * or an class name).

Modified: tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/plastic/InstructionBuilder.java
URL: http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/plastic/InstructionBuilder.java?rev=1089588&r1=1089587&r2=1089588&view=diff
==============================================================================
--- tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/plastic/InstructionBuilder.java (original)
+++ tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/plastic/InstructionBuilder.java Wed Apr  6 19:12:25 2011
@@ -47,7 +47,9 @@ public interface InstructionBuilder
     InstructionBuilder loadNull();
 
     /**
-     * Loads an argument onto the stack, using the opcode appropriate to the argument's type.
+     * Loads an argument onto the stack, using the opcode appropriate to the argument's type. In addition
+     * this automatically adjusts for arguments of primitive type long or double (which take up two
+     * local variable indexes, rather than one as for all other types)
      * 
      * @param index
      *            to argument (0 is the first argument, not this)

Modified: tapestry/tapestry5/trunk/plastic/src/test/groovy/org/apache/tapestry5/plastic/MethodAdviceTests.groovy
URL: http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/plastic/src/test/groovy/org/apache/tapestry5/plastic/MethodAdviceTests.groovy?rev=1089588&r1=1089587&r2=1089588&view=diff
==============================================================================
--- tapestry/tapestry5/trunk/plastic/src/test/groovy/org/apache/tapestry5/plastic/MethodAdviceTests.groovy (original)
+++ tapestry/tapestry5/trunk/plastic/src/test/groovy/org/apache/tapestry5/plastic/MethodAdviceTests.groovy Wed Apr  6 19:12:25 2011
@@ -99,4 +99,24 @@ class MethodAdviceTests extends Abstract
 
         thrown(SQLException)
     }
+
+    /**
+     * This is important because each double/long takes up two local variable slots.
+     * 
+     * @return
+     */
+    def "method with long and double parameters"() {
+        setup:
+
+        def mgr = createMgr({ PlasticClass pc ->
+            findMethod(pc, "doMath").addAdvice(new NoopAdvice())
+        } as PlasticClassTransformer)
+
+        def o = mgr.getClassInstantiator("testsubjects.WidePrimitives").newInstance()
+
+        expect:
+        "The interceptor builds proper bytecode to pass the values through"
+
+        o.doMath(2l, 4.0d, 5, 6l) == 38d
+    }
 }

Added: tapestry/tapestry5/trunk/plastic/src/test/java/testsubjects/WidePrimitives.java
URL: http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/plastic/src/test/java/testsubjects/WidePrimitives.java?rev=1089588&view=auto
==============================================================================
--- tapestry/tapestry5/trunk/plastic/src/test/java/testsubjects/WidePrimitives.java (added)
+++ tapestry/tapestry5/trunk/plastic/src/test/java/testsubjects/WidePrimitives.java Wed Apr  6 19:12:25 2011
@@ -0,0 +1,9 @@
+package testsubjects;
+
+public class WidePrimitives
+{
+    public double doMath(long first, double second, int third, long fourth)
+    {
+        return first * second + third * fourth;
+    }
+}