[Truffle] String#byte_append.

Author: chrisseaton

spec/truffle/tags/rubysl/rubysl-stringio/spec/append_tags.txt

@@ -6,5 +6,3 @@ fails:StringIO#<< when passed [Object] taints self's String when the passed argu
 fails:StringIO#<< when passed [Object] does not taint self when the passed argument is tainted
 fails:StringIO#<< when passed [Object] updates self's position
 fails:StringIO#<< when passed [Object] tries to convert the passed argument to a String using #to_s
-fails:StringIO#<< when in append mode appends the passed argument to the end of self, ignoring current position
-fails:StringIO#<< when in append mode correctly updates self's position

spec/truffle/tags/rubysl/rubysl-stringio/spec/initialize_copy_tags.txt

@@ -2,5 +2,3 @@ fails:StringIO#printf returns nil
 fails:StringIO#printf pads self with \000 when the current position is after the end
 fails:StringIO#printf performs format conversion
 fails:StringIO#printf updates the current position
-fails:StringIO#printf when in append mode appends the passed argument to the end of self
-fails:StringIO#printf when in append mode correctly updates self's position

spec/truffle/tags/rubysl/rubysl-stringio/spec/printf_tags.txt

@@ -6,4 +6,3 @@ fails:StringIO#putc when passed [String] writes a byte into the io
 fails:StringIO#putc when passed [Object] it writes the passed Integer % 256 to self
 fails:StringIO#putc when passed [Object] pads self with \000 when the current position is after the end
 fails:StringIO#putc when passed [Object] tries to convert the passed argument to an Integer using #to_int
-fails:StringIO#putc when in append mode appends to the end of self

spec/truffle/tags/rubysl/rubysl-stringio/spec/putc_tags.txt

@@ -13,6 +13,3 @@ fails:StringIO#puts when passed 1 or more objects prints a newline when passed n
 fails:StringIO#puts when passed no arguments returns nil
 fails:StringIO#puts when passed no arguments prints a newline
 fails:StringIO#puts when passed no arguments does not honor the global output record separator $\
-fails:StringIO#puts when in append mode appends the passed argument to the end of self
-fails:StringIO#puts when in append mode correctly updates self's position
-fails:StringIO#puts when passed an encoded string stores the bytes unmodified

spec/truffle/tags/rubysl/rubysl-stringio/spec/puts_tags.txt

@@ -7,6 +7,4 @@ fails:StringIO#reopen when passed [Object, Integer] raises a TypeError when tryi
 fails:StringIO#reopen when passed [Object, Integer] raises a RuntimeError when trying to reopen self with a frozen String in truncate-mode
 fails:StringIO#reopen when passed [Object, Integer] does not raise IOError when passed a frozen String in read-mode
 fails:StringIO#reopen reopens a stream when given a String argument
-fails:StringIO#reopen reopens a stream in append mode when flagged as such
-fails:StringIO#reopen reopens and truncate when reopened in write mode
 fails:StringIO#reopen does not truncate the content even when the StringIO argument is in the truncate mode

spec/truffle/tags/rubysl/rubysl-stringio/spec/reopen_tags.txt

@@ -8,5 +8,3 @@ fails:StringIO#syswrite when passed [String] does not taint self when the passed
 fails:StringIO#syswrite when passed [String] writes binary data into the io
 fails:StringIO#syswrite when passed [String] retains the original encoding
 fails:StringIO#syswrite when passed [String] pads multibyte characters properly
-fails:StringIO#syswrite when in append mode appends the passed argument to the end of self
-fails:StringIO#syswrite when in append mode correctly updates self's position

spec/truffle/tags/rubysl/rubysl-stringio/spec/syswrite_tags.txt

@@ -8,5 +8,3 @@ fails:StringIO#write_nonblock when passed [String] does not taint self when the
 fails:StringIO#write_nonblock when passed [String] writes binary data into the io
 fails:StringIO#write_nonblock when passed [String] retains the original encoding
 fails:StringIO#write_nonblock when passed [String] pads multibyte characters properly
-fails:StringIO#write_nonblock when in append mode appends the passed argument to the end of self
-fails:StringIO#write_nonblock when in append mode correctly updates self's position

spec/truffle/tags/rubysl/rubysl-stringio/spec/write_nonblock_tags.txt

@@ -8,5 +8,3 @@ fails:StringIO#write when passed [String] does not taint self when the passed ar
 fails:StringIO#write when passed [String] writes binary data into the io
 fails:StringIO#write when passed [String] retains the original encoding
 fails:StringIO#write when passed [String] pads multibyte characters properly
-fails:StringIO#write when in append mode appends the passed argument to the end of self
-fails:StringIO#write when in append mode correctly updates self's position

spec/truffle/tags/rubysl/rubysl-stringio/spec/write_tags.txt

@@ -687,4 +687,24 @@ public Object stringToInum(RubyString string, int fixBase, boolean strict) {
 
     }
 
+    @RubiniusPrimitive(name = "string_byte_append")
+    public static abstract class StringByteAppendPrimitiveNode extends RubiniusPrimitiveNode {
+
+        public StringByteAppendPrimitiveNode(RubyContext context, SourceSection sourceSection) {
+            super(context, sourceSection);
+        }
+
+        public StringByteAppendPrimitiveNode(StringByteAppendPrimitiveNode prev) {
+            super(prev);
+        }
+
+        @Specialization
+        public RubyString stringByteAppend(RubyString string, RubyString other) {
+            notDesignedForCompilation();
+            string.getByteList().append(other.getByteList());
+            return string;
+        }
+
+    }
+
 }