Move these keys to constants.

headius · headius · commit 5dccc5addbc4 · 2017-09-06T16:34:14.000-05:00
diff --git a/core/src/main/java/org/jruby/RubyException.java b/core/src/main/java/org/jruby/RubyException.java
@@ -339,6 +339,10 @@ public IRubyObject allocate(Ruby runtime, RubyClass klass) {
         }
     };
 
+    public static final String MESSAGE_KEY = "mesg";
+    public static final String BACKTRACE_KEY = "bt";
+    public static final String ERRNO_KEY = "errno";
+
     private static final ObjectMarshal EXCEPTION_MARSHAL = new ObjectMarshal() {
         @Override
         public void marshalTo(Ruby runtime, Object obj, RubyClass type,
@@ -347,8 +351,8 @@ public void marshalTo(Ruby runtime, Object obj, RubyClass type,
 
             marshalStream.registerLinkTarget(exc);
             List<Variable<Object>> attrs = exc.getVariableList();
-            attrs.add(new VariableEntry<Object>("mesg", exc.getMessage()));
-            attrs.add(new VariableEntry<Object>("bt", exc.getBacktrace()));
+            attrs.add(new VariableEntry<Object>(MESSAGE_KEY, exc.getMessage()));
+            attrs.add(new VariableEntry<Object>(BACKTRACE_KEY, exc.getBacktrace()));
             marshalStream.dumpVariables(attrs);
         }
 
@@ -362,8 +366,8 @@ public Object unmarshalFrom(Ruby runtime, RubyClass type,
             // just use real vars all the time for these?
             unmarshalStream.defaultVariablesUnmarshal(exc);
 
-            exc.setMessage((IRubyObject)exc.removeInternalVariable("mesg"));
-            exc.set_backtrace((IRubyObject)exc.removeInternalVariable("bt"));
+            exc.setMessage((IRubyObject)exc.removeInternalVariable(MESSAGE_KEY));
+            exc.set_backtrace((IRubyObject)exc.removeInternalVariable(BACKTRACE_KEY));
 
             return exc;
         }
diff --git a/core/src/main/java/org/jruby/RubySystemCallError.java b/core/src/main/java/org/jruby/RubySystemCallError.java
@@ -146,9 +146,9 @@ public void marshalTo(Ruby runtime, Object obj, RubyClass type,
             
             List<Variable<Object>> attrs = exc.getVariableList();
             attrs.add(new VariableEntry<Object>(
-                    "mesg", exc.message == null ? runtime.getNil() : exc.message));
-            attrs.add(new VariableEntry<Object>("errno", exc.errno));
-            attrs.add(new VariableEntry<Object>("bt", exc.getBacktrace()));
+                    MESSAGE_KEY, exc.message == null ? runtime.getNil() : exc.message));
+            attrs.add(new VariableEntry<Object>(ERRNO_KEY, exc.errno));
+            attrs.add(new VariableEntry<Object>(BACKTRACE_KEY, exc.getBacktrace()));
             marshalStream.dumpVariables(attrs);
         }
 
@@ -162,9 +162,9 @@ public Object unmarshalFrom(Ruby runtime, RubyClass type,
             // just use real vars all the time for these?
             unmarshalStream.defaultVariablesUnmarshal(exc);
             
-            exc.message = (IRubyObject)exc.removeInternalVariable("mesg");
-            exc.errno = (IRubyObject)exc.removeInternalVariable("errno");
-            exc.set_backtrace((IRubyObject)exc.removeInternalVariable("bt"));
+            exc.message = (IRubyObject)exc.removeInternalVariable(MESSAGE_KEY);
+            exc.errno = (IRubyObject)exc.removeInternalVariable(ERRNO_KEY);
+            exc.set_backtrace((IRubyObject)exc.removeInternalVariable(BACKTRACE_KEY));
             
             return exc;
         }
diff --git a/core/src/main/java/org/jruby/exceptions/Exception.java b/core/src/main/java/org/jruby/exceptions/Exception.java
@@ -0,0 +1,7 @@
+package org.jruby.exceptions;
+
+/**
+ * Created by headius on 9/6/17.
+ */
+public class Exception {
+}
diff --git a/core/src/main/java/org/jruby/exceptions/IOError.java b/core/src/main/java/org/jruby/exceptions/IOError.java
@@ -0,0 +1,7 @@
+package org.jruby.exceptions;
+
+/**
+ * Created by headius on 9/6/17.
+ */
+public class IOError {
+}
diff --git a/core/src/main/java/org/jruby/exceptions/StandardError.java b/core/src/main/java/org/jruby/exceptions/StandardError.java
@@ -0,0 +1,7 @@
+package org.jruby.exceptions;
+
+/**
+ * Created by headius on 9/6/17.
+ */
+public class StandardError {
+}
