[pypy-svn] r26953 - in pypy/dist/pypy: rpython translator/c/test translator/stackless translator/stackless/test

arigo at codespeak.net arigo at codespeak.net
Sun May 7 21:23:50 CEST 2006


Author: arigo
Date: Sun May  7 21:23:48 2006
New Revision: 26953

Modified:
   pypy/dist/pypy/rpython/extfunctable.py
   pypy/dist/pypy/translator/c/test/test_stackless.py
   pypy/dist/pypy/translator/stackless/code.py
   pypy/dist/pypy/translator/stackless/test/test_yield_current_frame_to_caller.py
   pypy/dist/pypy/translator/stackless/transform.py
Log:
(pedronis, arigo)
Finished the basic yield_current_frame_to_caller() and switch() on top
of the stackless transformer.


Modified: pypy/dist/pypy/rpython/extfunctable.py
==============================================================================
--- pypy/dist/pypy/rpython/extfunctable.py	(original)
+++ pypy/dist/pypy/rpython/extfunctable.py	Sun May  7 21:23:48 2006
@@ -28,12 +28,14 @@
 
 
 class ExtTypeInfo:
-    def __init__(self, typ, tag, methods, needs_container=True):
+    def __init__(self, typ, tag, methods,
+                 needs_container=True, needs_gc=False):
         self.typ = typ
         self.tag = tag
         self._TYPE = None
         self.methods = methods     # {'name': ExtFuncInfo()}
         self.needs_container = needs_container
+        self.needs_gc = needs_gc
 
     def get_annotation(self, methodname):
         return self.methods[methodname].annotation
@@ -50,7 +52,10 @@
     def get_lltype(self):
         if self._TYPE is None:
             from pypy.rpython.lltypesystem import lltype
-            OPAQUE = lltype.OpaqueType(self.tag)
+            if self.needs_gc:
+                OPAQUE = lltype.GcOpaqueType(self.tag)
+            else:
+                OPAQUE = lltype.OpaqueType(self.tag)
             OPAQUE._exttypeinfo = self
             if self.needs_container:
                 STRUCT = lltype.GcStruct(self.tag, ('obj', OPAQUE))
@@ -93,7 +98,7 @@
     return info
 
 typetable = {}
-def declaretype1(typ, tag, methodsdecl, needs_container):
+def declaretype1(typ, tag, methodsdecl, needs_container, needs_gc=False):
     assert isinstance(typ, type)
     methods = {}
     for name, args in methodsdecl.items():
@@ -105,7 +110,7 @@
         else:
             func = None   # failed (typical for old-style C types), ignore it
         methods[name] = declare(func, *args)
-    info = ExtTypeInfo(typ, tag, methods, needs_container)
+    info = ExtTypeInfo(typ, tag, methods, needs_container, needs_gc)
     typetable[typ] = info
     for callback in table_callbacks:
         callback()
@@ -117,6 +122,10 @@
 def declareptrtype(typ, tag, **methodsdecl):
     return declaretype1(typ, tag, methodsdecl, needs_container=False)
 
+def declaregcptrtype(typ, tag, **methodsdecl):
+    return declaretype1(typ, tag, methodsdecl, needs_container=False,
+                        needs_gc=True)
+
 # _____________________________________________________________
 
 def record_call(func, args_s, symbol):
@@ -242,7 +251,7 @@
 declare(rstack.stack_too_big, bool, 'll_stack/too_big')
 declare(rstack.stack_check, noneannotation, 'll_stack/check')
 declare(rstack.stack_unwind, noneannotation, 'll_stack/unwind')
-frametop_type_info = declareptrtype(rstack.frame_stack_top, 'frame_stack_top',
+frametop_type_info = declaregcptrtype(rstack.frame_stack_top,'frame_stack_top',
                                         switch = (rstack.frame_stack_top,
                                                   'll_stackless/switch'))
 

Modified: pypy/dist/pypy/translator/c/test/test_stackless.py
==============================================================================
--- pypy/dist/pypy/translator/c/test/test_stackless.py	(original)
+++ pypy/dist/pypy/translator/c/test/test_stackless.py	Sun May  7 21:23:48 2006
@@ -13,7 +13,14 @@
 
 class TestStackless(object):
     gcpolicy = None # Refcounting
-    
+
+    def setup_class(cls):
+        # to re-enable this, remove the two characters 'gc' in the
+        # declaregcptrtype(rstack.frame_stack_top,...) call in
+        # rpython/extfunctable.  Doing so breaks translator/stackless/.
+        import py
+        py.test.skip("stackless + refcounting doesn't work any more for now")
+
     def wrap_stackless_function(self, fn):
         def entry_point(argv):
             os.write(1, str(fn())+"\n")

Modified: pypy/dist/pypy/translator/stackless/code.py
==============================================================================
--- pypy/dist/pypy/translator/stackless/code.py	(original)
+++ pypy/dist/pypy/translator/stackless/code.py	Sun May  7 21:23:48 2006
@@ -1,5 +1,6 @@
 from pypy.rpython.lltypesystem import lltype, llmemory, lloperation
 from pypy.rpython import rarithmetic
+from pypy.rpython import extfunctable
 
 
 def ll_frame_switch(state):
@@ -29,7 +30,7 @@
         global_state.top = null_state
         global_state.restart_substate = 0
         origin_state = llmemory.cast_adr_to_ptr(fetch_retval_void_p(),
-                                                lltype.Ptr(STATE_HEADER))
+                                                OPAQUE_STATE_HEADER_PTR)
         return origin_state
 ll_frame_switch.stackless_explicit = True
 
@@ -43,6 +44,9 @@
 
 null_state = lltype.nullptr(STATE_HEADER)
 
+OPAQUE_STATE_HEADER_PTR = lltype.Ptr(
+    extfunctable.frametop_type_info.get_lltype())
+
 ##def decode_state(currentframe): 
 ##    return (currentframe.function,
 ##            currentframe.retval_type,
@@ -88,7 +92,7 @@
         global_state.top = null_state
         global_state.restart_substate = 0
         origin_state = llmemory.cast_adr_to_ptr(fetch_retval_void_p(),
-                                                lltype.Ptr(STATE_HEADER))
+                                                OPAQUE_STATE_HEADER_PTR)
         return origin_state
     else:
         global_state.restart_substate = 0

Modified: pypy/dist/pypy/translator/stackless/test/test_yield_current_frame_to_caller.py
==============================================================================
--- pypy/dist/pypy/translator/stackless/test/test_yield_current_frame_to_caller.py	(original)
+++ pypy/dist/pypy/translator/stackless/test/test_yield_current_frame_to_caller.py	Sun May  7 21:23:48 2006
@@ -1,58 +1,75 @@
 from pypy.translator.stackless.test.test_transform import \
      llinterp_stackless_function, run_stackless_function
 from pypy.translator.stackless import code
+from pypy.rpython import rstack
 import py
 import os
 
-#py.test.skip('in progress')
 
-def test_simple():
-    def f(ignored):
-        c = g()
-        return 1
-    def g():
-        code.yield_current_frame_to_caller()
-
-    data = llinterp_stackless_function(f)
-    assert data == 1
-
-
-def test_switch():
-    def f(ignored):
-        c = g()
-        c.switch()
-        return 1
-    def g():
-        d = code.yield_current_frame_to_caller()
-        return d
-
-    data = llinterp_stackless_function(f)
-    assert data == 1
-
-
-def test_yield_frame():
-
-    def g(lst):
-        lst.append(2)
-        frametop_before_5 = code.yield_current_frame_to_caller()
-        lst.append(4)
-        frametop_before_7 = frametop_before_5.switch()
-        lst.append(6)
-        return frametop_before_7
-
-    def f(ignored):
-        lst = [1]
-        frametop_before_4 = g(lst)
-        lst.append(3)
-        frametop_before_6 = frametop_before_4.switch()
-        lst.append(5)
-        frametop_after_return = frametop_before_6.switch()
-        lst.append(7)
-        assert bool(frametop_after_return)
-        n = 0
-        for i in lst:
-            n = n*10 + i
-        return n
-
-    data = llinterp_stackless_function(f)
-    assert data == 1234567
+class TestFromCode:
+    yield_current_frame_to_caller = staticmethod(
+        code.yield_current_frame_to_caller)
+    switch = staticmethod(code.ll_frame_switch)
+
+    def _freeze_(self):
+        return True
+
+    def test_simple(self):
+        def f(ignored):
+            c = g()
+            return 1
+        def g():
+            self.yield_current_frame_to_caller()
+
+        data = llinterp_stackless_function(f)
+        assert data == 1
+
+
+    def test_switch(self):
+        def f(ignored):
+            c = g()
+            self.switch(c)
+            return 1
+        def g():
+            d = self.yield_current_frame_to_caller()
+            return d
+
+        data = llinterp_stackless_function(f)
+        assert data == 1
+
+
+    def test_yield_frame(self):
+
+        def g(lst):
+            lst.append(2)
+            frametop_before_5 = self.yield_current_frame_to_caller()
+            lst.append(4)
+            frametop_before_7 = self.switch(frametop_before_5)
+            lst.append(6)
+            return frametop_before_7
+
+        def f(ignored):
+            lst = [1]
+            frametop_before_4 = g(lst)
+            lst.append(3)
+            frametop_before_6 = self.switch(frametop_before_4)
+            lst.append(5)
+            frametop_after_return = self.switch(frametop_before_6)
+            lst.append(7)
+            assert bool(frametop_after_return)
+            n = 0
+            for i in lst:
+                n = n*10 + i
+            return n
+
+        data = llinterp_stackless_function(f)
+        assert data == 1234567
+
+
+class TestFromRStack(TestFromCode):
+    yield_current_frame_to_caller = staticmethod(
+        rstack.yield_current_frame_to_caller)
+
+    def switch(state):
+        return state.switch()
+    switch = staticmethod(switch)

Modified: pypy/dist/pypy/translator/stackless/transform.py
==============================================================================
--- pypy/dist/pypy/translator/stackless/transform.py	(original)
+++ pypy/dist/pypy/translator/stackless/transform.py	Sun May  7 21:23:48 2006
@@ -118,13 +118,13 @@
         self.fetch_retval_void_p_ptr = mixlevelannotator.constfunc(
             code.fetch_retval_void_p, [], annmodel.SomeAddress())
 
-        s_StatePtr = annmodel.SomePtr(lltype.Ptr(code.STATE_HEADER))
+        s_StatePtr = annmodel.SomePtr(code.OPAQUE_STATE_HEADER_PTR)
         self.stack_frames_depth_ptr = mixlevelannotator.constfunc(
             code.stack_frames_depth, [], annmodel.SomeInteger())
-##        self.yield_current_frame_to_caller_ptr = mixlevelannotator.constfunc(
-##            code.yield_current_frame_to_caller, [], s_StatePtr)
-##        self.ll_frame_switch_ptr = mixlevelannotator.constfunc(
-##            code.ll_frame_switch, [s_StatePtr], s_StatePtr)
+        self.yield_current_frame_to_caller_ptr = mixlevelannotator.constfunc(
+            code.yield_current_frame_to_caller, [], s_StatePtr)
+        self.ll_frame_switch_ptr = mixlevelannotator.constfunc(
+            code.ll_frame_switch, [s_StatePtr], s_StatePtr)
 
         mixlevelannotator.finish()
 
@@ -328,18 +328,26 @@
         edata = self.translator.rtyper.getexceptiondata()
         etype = edata.lltype_of_exception_type
         evalue = edata.lltype_of_exception_value
-        
+
+        def replace_with_call(fnptr):
+            args = [fnptr] + op.args[1:]
+            newop = model.SpaceOperation('direct_call', args, op.result)
+            block.operations[i] = newop
+            return newop
+
         while i < len(block.operations):
             op = block.operations[i]
+            if op.opname == 'yield_current_frame_to_caller':
+                op = replace_with_call(self.yield_current_frame_to_caller_ptr)
+
             if op.opname in ('direct_call', 'indirect_call'):
                 # trap calls to stackless-related suggested primitives
                 if op.opname == 'direct_call':
                     func = getattr(op.args[0].value._obj, '_callable', None)
                     if func is ll_stackless.ll_stackless_stack_frames_depth:
-                        op = model.SpaceOperation(
-                            'direct_call', [self.stack_frames_depth_ptr],
-                            op.result)
-                        block.operations[i] = op
+                        op = replace_with_call(self.stack_frames_depth_ptr)
+                    elif func is ll_stackless.ll_stackless_switch:
+                        op = replace_with_call(self.ll_frame_switch_ptr)
 
                 if i == len(block.operations) - 1 \
                        and block.exitswitch == model.c_last_exception:



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