Merge branch 'tmp'

CMakeLists.txt

@@ -141,7 +141,8 @@ add_subdirectory(test/unittests)
 add_subdirectory(tools)
 
 add_executable(pyston $<TARGET_OBJECTS:PYSTON_MAIN_OBJECT> $<TARGET_OBJECTS:PYSTON_OBJECTS> $<TARGET_OBJECTS:FROM_CPYTHON>)
-target_link_libraries(pyston stdlib pthread m readline gmp unwind pypa double-conversion ${LLVM_LIBS} ${LIBLZMA_LIBRARIES})
+# Wrap the stdlib in --whole-archive to force all the symbols to be included and eventually exported
+target_link_libraries(pyston -Wl,--whole-archive stdlib -Wl,--no-whole-archive pthread m readline gmp unwind pypa double-conversion ${LLVM_LIBS} ${LIBLZMA_LIBRARIES})
 
 # copy the python standard library (lib_python/2.7) and src/codegen/parse_ast.py to the build directory
 add_custom_command(TARGET pyston POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_SOURCE_DIR}/lib_python/2.7 ${CMAKE_BINARY_DIR}/lib_python/2.7)

lib_python/2.7/UserDict.py

@@ -80,8 +80,9 @@ class IterableUserDict(UserDict):
     def __iter__(self):
         return iter(self.data)
 
-import _abcoll
-_abcoll.MutableMapping.register(IterableUserDict)
+# Pyston change: disable using the _abcoll module for now.
+# import _abcoll
+# _abcoll.MutableMapping.register(IterableUserDict)
 
 
 class DictMixin:

lib_python/2.7/_abcoll.py

 # Copyright 2007 Google, Inc. All Rights Reserved.
 # Licensed to PSF under a Contributor Agreement.
 
+# Pyston change: disable using the _abcoll module for now.
+raise NotImplementedError()
+
 """Abstract Base Classes (ABCs) for collections, according to PEP 3119.
 
 DON'T USE THIS MODULE DIRECTLY!  The classes here should be imported

lib_python/2.7/collections.py

 __all__ = ['Counter', 'deque', 'defaultdict', 'namedtuple', 'OrderedDict']
 # For bootstrapping reasons, the collection ABCs are defined in _abcoll.py.
 # They should however be considered an integral part of collections.py.
-from _abcoll import *
-import _abcoll
-__all__ += _abcoll.__all__
+# Pyston change: disable using the _abcoll module for now.
+# from _abcoll import *
+# import _abcoll
+# __all__ += _abcoll.__all__
 
 from _collections import deque, defaultdict
 from operator import itemgetter as _itemgetter, eq as _eq

src/capi/typeobject.cpp

@@ -877,6 +877,7 @@ extern "C" int PyType_Ready(PyTypeObject* cls) {
     }
 
     cls->gc_visit = &conservativeGCHandler;
+    cls->is_user_defined = true;
 
     // TODO not sure how we can handle extension types that manually
     // specify a dict...

src/core/threading.cpp

@@ -117,7 +117,7 @@ void popGenerator() {
 }
 
 static int signals_waiting(0);
-static std::vector<ThreadState> thread_states;
+static std::vector<ThreadGCState> thread_states;
 
 static void pushThreadState(pthread_t tid, ucontext_t* context) {
 #if STACK_GROWS_DOWN
@@ -128,10 +128,10 @@ static void pushThreadState(pthread_t tid, ucontext_t* context) {
     void* stack_end = (void*)(context->uc_mcontext.gregs[REG_RSP] + sizeof(void*));
 #endif
     assert(stack_start < stack_end);
-    thread_states.push_back(ThreadState(tid, context, stack_start, stack_end));
+    thread_states.push_back(ThreadGCState(tid, context, stack_start, stack_end));
 }
 
-std::vector<ThreadState> getAllThreadStates() {
+std::vector<ThreadGCState> getAllThreadStates() {
     // TODO need to prevent new threads from starting,
     // though I suppose that will have been taken care of
     // by the caller of this function.

src/core/threading.h

@@ -36,7 +36,7 @@ intptr_t start_thread(void* (*start_func)(Box*, Box*, Box*), Box* arg1, Box* arg
 void registerMainThread();
 void finishMainThread();
 
-struct ThreadState {
+struct ThreadGCState {
     pthread_t tid; // useful mostly for debugging
     ucontext_t* ucontext;
 
@@ -45,13 +45,13 @@ struct ThreadState {
     // in a generator, but those generators will be tracked separately.
     void* stack_start, *stack_end;
 
-    ThreadState(pthread_t tid, ucontext_t* ucontext, void* stack_start, void* stack_end)
+    ThreadGCState(pthread_t tid, ucontext_t* ucontext, void* stack_start, void* stack_end)
         : tid(tid), ucontext(ucontext), stack_start(stack_start), stack_end(stack_end) {}
 };
-// Gets a ThreadState per thread, not including the thread calling this function.
+// Gets a ThreadGCState per thread, not including the thread calling this function.
 // For this call to make sense, the threads all should be blocked;
 // as a corollary, this thread is very much not thread safe.
-std::vector<ThreadState> getAllThreadStates();
+std::vector<ThreadGCState> getAllThreadStates();
 
 // Get the stack "bottom" (ie first pushed data.  For stacks that grow down, this
 // will be the highest address).

src/gc/root_finder.cpp

@@ -47,9 +47,9 @@ void collectRoots(void* start, void* end, TraceStack* stack) {
 
 
 void collectOtherThreadsStacks(TraceStack* stack) {
-    std::vector<threading::ThreadState> threads = threading::getAllThreadStates();
+    std::vector<threading::ThreadGCState> threads = threading::getAllThreadStates();
 
-    for (threading::ThreadState& tstate : threads) {
+    for (threading::ThreadGCState& tstate : threads) {
         collectRoots(tstate.stack_start, tstate.stack_end, stack);
         collectRoots(tstate.ucontext, tstate.ucontext + 1, stack);
     }

src/runtime/builtin_modules/builtins.cpp

@@ -482,7 +482,7 @@ BoxedClass* BaseException, *Exception, *StandardError, *AssertionError, *Attribu
 }
 
 Box* exceptionNew1(BoxedClass* cls) {
-    return exceptionNew2(cls, boxStrConstant(""));
+    return exceptionNew(cls, EmptyTuple);
 }
 
 class BoxedException : public Box {
@@ -492,11 +492,29 @@ public:
 };
 
 Box* exceptionNew2(BoxedClass* cls, Box* message) {
-    assert(cls->tp_basicsize == sizeof(BoxedException));
-    Box* r = new BoxedException(cls);
-    // TODO: maybe this should be a MemberDescriptor?
-    r->giveAttr("message", message);
-    return r;
+    return exceptionNew(cls, new BoxedTuple({ message }));
+}
+
+Box* exceptionNew(BoxedClass* cls, BoxedTuple* args) {
+    if (!isSubclass(cls->cls, type_cls))
+        raiseExcHelper(TypeError, "exceptions.__new__(X): X is not a type object (%s)", getTypeName(cls)->c_str());
+
+    if (!isSubclass(cls, BaseException))
+        raiseExcHelper(TypeError, "BaseException.__new__(%s): %s is not a subtype of BaseException",
+                       getNameOfClass(cls)->c_str(), getNameOfClass(cls)->c_str());
+
+    assert(cls->tp_basicsize >= sizeof(BoxedException));
+    void* mem = gc_alloc(cls->tp_basicsize, gc::GCKind::PYTHON);
+    memset((char*)mem + sizeof(BoxedException), 0, cls->tp_basicsize - sizeof(BoxedException));
+    BoxedException* rtn = ::new (mem) BoxedException(cls);
+    initUserAttrs(rtn, cls);
+
+    // TODO: this should be a MemberDescriptor and set during init
+    if (args->elts.size() == 1)
+        rtn->giveAttr("message", args->elts[0]);
+    else
+        rtn->giveAttr("message", boxStrConstant(""));
+    return rtn;
 }
 
 Box* exceptionStr(Box* b) {
@@ -520,15 +538,16 @@ Box* exceptionRepr(Box* b) {
     return boxString(*getTypeName(b) + "(" + message_s->s + ",)");
 }
 
-static BoxedClass* makeBuiltinException(BoxedClass* base, const char* name) {
-    BoxedClass* cls
-        = new BoxedHeapClass(type_cls, base, NULL, offsetof(BoxedException, attrs), sizeof(BoxedException), false);
+static BoxedClass* makeBuiltinException(BoxedClass* base, const char* name, int size = 0) {
+    if (size == 0)
+        size = base->tp_basicsize;
+
+    BoxedClass* cls = new BoxedHeapClass(type_cls, base, NULL, offsetof(BoxedException, attrs), size, false);
     cls->giveAttr("__name__", boxStrConstant(name));
     cls->giveAttr("__module__", boxStrConstant("exceptions"));
 
     if (base == object_cls) {
-        cls->giveAttr("__new__", new BoxedFunction(boxRTFunction((void*)exceptionNew2, UNKNOWN, 2, 1, false, false),
-                                                   { boxStrConstant("") }));
+        cls->giveAttr("__new__", new BoxedFunction(boxRTFunction((void*)exceptionNew, UNKNOWN, 1, 0, true, true)));
         cls->giveAttr("__str__", new BoxedFunction(boxRTFunction((void*)exceptionStr, STR, 1)));
         cls->giveAttr("__repr__", new BoxedFunction(boxRTFunction((void*)exceptionRepr, STR, 1)));
     }
@@ -720,6 +739,23 @@ Box* pydump(void* p) {
     return None;
 }
 
+class BoxedEnvironmentError : public BoxedException {
+public:
+    // Box* args, *message, *myerrno, *strerror, *filename;
+    Box* myerrno, *strerror, *filename;
+
+    static Box* __init__(BoxedEnvironmentError* self, Box* errno_, Box* strerror, Box** _args) {
+        Box* filename = _args[0];
+
+        RELEASE_ASSERT(isSubclass(self->cls, EnvironmentError), "");
+
+        self->myerrno = errno_;
+        self->strerror = strerror;
+        self->filename = filename;
+        return None;
+    }
+};
+
 void setupBuiltins() {
     builtins_module = createModule("__builtin__", "__builtin__");
 
@@ -740,7 +776,7 @@ void setupBuiltins() {
     builtins_module->giveAttr("all", new BoxedFunction(boxRTFunction((void*)all, BOXED_BOOL, 1)));
     builtins_module->giveAttr("any", new BoxedFunction(boxRTFunction((void*)any, BOXED_BOOL, 1)));
 
-    BaseException = makeBuiltinException(object_cls, "BaseException");
+    BaseException = makeBuiltinException(object_cls, "BaseException", sizeof(BoxedException));
     Exception = makeBuiltinException(BaseException, "Exception");
     StandardError = makeBuiltinException(Exception, "StandardError");
     AssertionError = makeBuiltinException(StandardError, "AssertionError");
@@ -751,7 +787,7 @@ void setupBuiltins() {
     LookupError = makeBuiltinException(StandardError, "LookupError");
     KeyError = makeBuiltinException(LookupError, "KeyError");
     IndexError = makeBuiltinException(LookupError, "IndexError");
-    EnvironmentError = makeBuiltinException(StandardError, "EnvironmentError");
+    EnvironmentError = makeBuiltinException(StandardError, "EnvironmentError", sizeof(BoxedEnvironmentError));
     IOError = makeBuiltinException(EnvironmentError, "IOError");
     OSError = makeBuiltinException(EnvironmentError, "OSError");
     ArithmeticError = makeBuiltinException(StandardError, "ArithmeticError");
@@ -775,6 +811,10 @@ void setupBuiltins() {
     SystemError = makeBuiltinException(StandardError, "SystemError");
     NotImplementedError = makeBuiltinException(RuntimeError, "NotImplementedError");
 
+    EnvironmentError->giveAttr(
+        "__init__",
+        new BoxedFunction(boxRTFunction((void*)BoxedEnvironmentError::__init__, NONE, 4, 1, false, false), { None }));
+
     repr_obj = new BoxedFunction(boxRTFunction((void*)repr, UNKNOWN, 1));
     builtins_module->giveAttr("repr", repr_obj);
     len_obj = new BoxedFunction(boxRTFunction((void*)len, UNKNOWN, 1));

src/runtime/objmodel.cpp

@@ -19,6 +19,7 @@
 #include <cstdlib>
 #include <cstring>
 #include <memory>
+#include <sstream>
 #include <stdint.h>
 
 #include "asm_writing/icinfo.h"
@@ -351,6 +352,8 @@ BoxedClass::BoxedClass(BoxedClass* metaclass, BoxedClass* base, gcvisit_func gc_
     memset(&tp_name, 0, (char*)(&tp_version_tag + 1) - (char*)(&tp_name));
     tp_basicsize = instance_size;
 
+    tp_flags |= Py_TPFLAGS_HEAPTYPE;
+
     if (metaclass == NULL) {
         assert(type_cls == NULL);
     } else {
@@ -2313,7 +2316,16 @@ Box* callFunc(BoxedFunction* func, CallRewriteArgs* rewrite_args, ArgPassSpec ar
         Box* ovarargs = new BoxedTuple(unused_positional);
         getArg(varargs_idx, oarg1, oarg2, oarg3, oargs) = ovarargs;
     } else if (unused_positional.size()) {
-        raiseExcHelper(TypeError, "<function>() takes at most %d argument%s (%d given)", f->num_args,
+        std::string name = "<unknown function>";
+        if (f->source)
+            name = f->source->getName();
+        else if (f->versions.size()) {
+            std::ostringstream oss;
+            oss << "<function at " << f->versions[0]->code << ">";
+            name = oss.str();
+        }
+
+        raiseExcHelper(TypeError, "%s() takes at most %d argument%s (%d given)", name.c_str(), f->num_args,
                        (f->num_args == 1 ? "" : "s"), argspec.num_args + argspec.num_keywords + varargs.size());
     }
 

src/runtime/types.cpp

@@ -607,13 +607,14 @@ extern "C" int PySlice_GetIndicesEx(PySliceObject* r, Py_ssize_t length, Py_ssiz
 }
 
 Box* typeRepr(BoxedClass* self) {
-    if (isUserDefined(self)) {
     std::ostringstream os;
+    if ((self->tp_flags & Py_TPFLAGS_HEAPTYPE) && isUserDefined(self))
         os << "<class '";
+    else
+        os << "<type '";
 
     Box* m = self->getattr("__module__");
-        RELEASE_ASSERT(m, "");
-        if (m->cls == str_cls) {
+    if (m && m->cls == str_cls) {
         BoxedString* sm = static_cast<BoxedString*>(m);
         os << sm->s << '.';
     }
@@ -627,11 +628,6 @@ Box* typeRepr(BoxedClass* self) {
     os << "'>";
 
     return boxString(os.str());
-    } else {
-        char buf[80];
-        snprintf(buf, 80, "<type '%s'>", getNameOfClass(self)->c_str());
-        return boxStrConstant(buf);
-    }
 }
 
 Box* typeHash(BoxedClass* self) {

src/runtime/types.h

@@ -217,7 +217,7 @@ public:
 
     // Whether this class was defined by the user or is a builtin type.
     // this is used mostly for debugging.
-    const bool is_user_defined;
+    bool is_user_defined;
 
     // will need to update this once we support tp_getattr-style overriding:
     bool hasGenericGetattr() { return true; }
@@ -539,6 +539,7 @@ extern "C" void boxGCHandler(GCVisitor* v, Box* b);
 
 Box* exceptionNew1(BoxedClass* cls);
 Box* exceptionNew2(BoxedClass* cls, Box* message);
+Box* exceptionNew(BoxedClass* cls, BoxedTuple* args);
 
 extern "C" BoxedClass* Exception, *AssertionError, *AttributeError, *TypeError, *NameError, *KeyError, *IndexError,
     *IOError, *OSError, *ZeroDivisionError, *ValueError, *UnboundLocalError, *RuntimeError, *ImportError,

test/tests/os_test.py

@@ -12,3 +12,5 @@ print len(r1), len(r2), type(r1), type(r2), r1 == r2
 print type(os.stat("/dev/null"))
 
 print os.path.expanduser("~") == os.environ["HOME"]
+
+OSError(1, 2, 3)