[pypy-svn] r47921 - pypy/dist/pypy/translator/goal

[arigo at codespeak.net]

Author: arigo
Date: Thu Oct 25 15:09:23 2007
New Revision: 47921

Added:
   pypy/dist/pypy/translator/goal/targetfibsmalltalk.py   (contents, props changed)
Log:
(arigo, all watching)
The target for running Fibonacci in the Smalltalk interpreter.


Added: pypy/dist/pypy/translator/goal/targetfibsmalltalk.py
==============================================================================
--- (empty file)
+++ pypy/dist/pypy/translator/goal/targetfibsmalltalk.py	Thu Oct 25 15:09:23 2007
@@ -0,0 +1,42 @@
+from pypy.lang.smalltalk import model, interpreter, primitives, shadow
+from pypy.lang.smalltalk import objtable
+from pypy.lang.smalltalk.objtable import wrap_int
+from pypy.lang.smalltalk import classtable
+from pypy.lang.smalltalk.test.test_interpreter import *
+
+mockclass = classtable.bootstrap_class
+
+def new_interpreter(bytes):
+    assert isinstance(bytes, str)
+    w_method = model.W_CompiledMethod(0, bytes=bytes)
+    w_frame = w_method.createFrame(objtable.w_nil, [])
+    interp = interpreter.Interpreter()
+    interp.w_active_context = w_frame
+    return interp
+
+
+bytecode = ''.join(map(chr, [ 16, 119, 178, 154, 118, 164, 11, 112, 16, 118, 177, 224, 112, 16, 119, 177, 224, 176, 124 ]))
+shadow = mockclass(0).as_class_get_shadow()
+method = model.W_CompiledMethod(1, bytecode, 1)
+method.literals = fakeliterals("fib:")
+shadow.installmethod("fib:", method)
+w_object = shadow.new()
+interp = new_interpreter(sendLiteralSelectorBytecode(16) + returnTopFromMethod)
+interp.w_active_context.method.literals = fakeliterals("fib:")
+
+
+def entry_point(argv):
+    if len(argv) > 1:
+        n = int(argv[1])
+    else:
+        n = 8
+    interp.w_active_context.push(w_object)
+    interp.w_active_context.push(wrap_int(n))
+    result = interp.interpret()
+    print primitives.unwrap_int(result)
+    return 0
+
+# _____ Define and setup target ___
+
+def target(*args):
+    return entry_point, None