[mypyc] Add LoadAddress op for PyFloat_Type & PyTuple_Type

- Fixes mypyc/mypyc#924
- Fixes mypyc/mypyc#926
- Fixes mypyc/mypyc#935

This is a follow-up of commit 7811f08.

Author: ichard26

mypyc/primitives/float_ops.py

@@ -2,12 +2,18 @@
 
 from mypyc.ir.ops import ERR_MAGIC
 from mypyc.ir.rtypes import (
-    str_rprimitive, float_rprimitive
+    str_rprimitive, float_rprimitive, object_rprimitive
 )
 from mypyc.primitives.registry import (
-    function_op
+    load_address_op, function_op
 )
 
+# Get the 'builtins.float' type object.
+load_address_op(
+    name='builtins.float',
+    type=object_rprimitive,
+    src='PyFloat_Type')
+
 # float(str)
 function_op(
     name='builtins.float',

mypyc/primitives/tuple_ops.py

@@ -9,8 +9,13 @@
     tuple_rprimitive, int_rprimitive, list_rprimitive, object_rprimitive,
     c_pyssize_t_rprimitive, bit_rprimitive
 )
-from mypyc.primitives.registry import method_op, function_op, custom_op
+from mypyc.primitives.registry import load_address_op, method_op, function_op, custom_op
 
+# Get the 'builtins.tuple' type object.
+load_address_op(
+    name='builtins.tuple',
+    type=object_rprimitive,
+    src='PyTuple_Type')
 
 # tuple[index] (for an int index)
 tuple_get_item_op = method_op(

mypyc/test-data/irbuild-dunders.test

@@ -175,16 +175,13 @@ L0:
 def f(c):
     c :: __main__.C
     r0, r1 :: int
-    r2, r3, r4 :: object
-    r5 :: str
-    r6, r7 :: object
+    r2, r3, r4, r5 :: object
 L0:
     r0 = c.__neg__()
     r1 = c.__invert__()
     r2 = load_address PyLong_Type
     r3 = PyObject_CallFunctionObjArgs(r2, c, 0)
-    r4 = builtins :: module
-    r5 = 'float'
-    r6 = CPyObject_GetAttr(r4, r5)
-    r7 = PyObject_CallFunctionObjArgs(r6, c, 0)
+    r4 = load_address PyFloat_Type
+    r5 = PyObject_CallFunctionObjArgs(r4, c, 0)
     return 1
+

mypyc/test-data/run-python37.test

@@ -70,6 +70,7 @@ class Person4:
 
 @dataclass
 class Person5:
+    weight: float
     friends: Set[str] = field(default_factory=set)
     parents: FrozenSet[str] = frozenset()
 
@@ -122,7 +123,8 @@ assert i8 > i9
 
 assert Person1.__annotations__ == {'age': int, 'name': str}
 assert Person2.__annotations__ == {'age': int, 'name': str}
-assert Person5.__annotations__ == {'friends': set, 'parents': frozenset}
+assert Person5.__annotations__ == {'weight': float, 'friends': set,
+                                       'parents': frozenset}
 
 [file driver.py]
 import sys

mypyc/test-data/run-tuples.test

@@ -95,6 +95,73 @@ class Sub(NT):
     pass
 assert f(Sub(3, 2)) == 3
 
+-- Ref: https://github.com/mypyc/mypyc/issues/924
+[case testNamedTupleClassSyntax]
+from typing import Dict, List, NamedTuple, Optional, Tuple, Union
+
+class FileData(NamedTuple):
+    st_mtime: float
+    st_size: int
+    hash: str
+
+class SearchPaths(NamedTuple):
+    python_path: Tuple[str, ...]
+    mypy_path: Tuple[str, ...]
+    package_path: Tuple[str, ...]
+    typeshed_path: Tuple[str, ...]
+
+class ClassIR: pass
+
+class FuncIR: pass
+
+class VTableMethod(NamedTuple):
+    cls: 'ClassIR'
+    name: str
+    method: FuncIR
+    shadow_method: Optional[FuncIR]
+
+class DeserMaps(NamedTuple):
+    classes: Dict[str, 'ClassIR']
+    functions: Dict[str, 'FuncIR']
+
+StealsDescription = Union[bool, List[bool]]
+
+class RType: pass
+
+class CFunctionDescription(NamedTuple):
+    name: str
+    arg_types: List[RType]
+    return_type: RType
+    var_arg_type: Optional[RType]
+    truncated_type: Optional[RType]
+    c_function_name: str
+    error_kind: int
+    steals: StealsDescription
+    is_borrowed: bool
+    ordering: Optional[List[int]]
+    extra_int_constants: List[Tuple[int, RType]]
+    priority: int
+
+class IntComparisonOpDescription(NamedTuple):
+    binary_op_variant: int
+    c_func_description: CFunctionDescription
+    c_func_negated: bool
+    c_func_swap_operands: bool
+
+class LoadAddressDescription(NamedTuple):
+    name: str
+    type: RType
+    src: str
+
+[file driver.py]
+from native import FileData, SearchPaths, DeserMaps, LoadAddressDescription, RType
+
+assert FileData.__annotations__ == {'st_mtime': float, 'st_size': int, 'hash': str}
+assert SearchPaths.__annotations__ == {'python_path': tuple, 'mypy_path': tuple,
+                                           'package_path': tuple, 'typeshed_path': tuple}
+assert DeserMaps.__annotations__ == {'classes': dict, 'functions': dict}
+assert LoadAddressDescription.__annotations__ == {'name': str, 'type': RType, 'src': str}
+
 [case testTupleOps]
 from typing import Tuple, List, Any, Optional
 from typing_extensions import Final