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import sys
from rpython.rtyper.lltypesystem.lltype import *
from rpython.translator.translator import TranslationContext
from rpython.translator.c.database import LowLevelDatabase
from rpython.flowspace.model import Constant, Variable, SpaceOperation
from rpython.flowspace.model import Block, Link, FunctionGraph
from rpython.rtyper.lltypesystem.lltype import getfunctionptr
from rpython.rtyper.lltypesystem.rffi import VOIDP, INT_real, INT, CArrayPtr
def dump_on_stdout(database):
print '/*********************************/'
structdeflist = database.getstructdeflist()
for node in structdeflist:
for line in node.definition():
print line
print
for node in database.globalcontainers():
for line in node.forward_declaration():
print line
for node in database.globalcontainers():
print
for line in node.implementation():
print line
def test_primitive():
db = LowLevelDatabase()
assert db.get(5) == '5L'
assert db.get(True) == '1'
def test_struct():
db = LowLevelDatabase()
pfx = db.namespace.global_prefix + 'g_'
S = GcStruct('test', ('x', Signed))
s = malloc(S)
s.x = 42
assert db.get(s).startswith('(&'+pfx)
assert db.containernodes.keys() == [s._obj]
assert db.structdefnodes.keys() == [S]
def test_inlined_struct():
db = LowLevelDatabase()
pfx = db.namespace.global_prefix + 'g_'
S = GcStruct('test', ('x', Struct('subtest', ('y', Signed))))
s = malloc(S)
s.x.y = 42
assert db.get(s).startswith('(&'+pfx)
assert db.containernodes.keys() == [s._obj]
db.complete()
assert len(db.structdefnodes) == 2
assert S in db.structdefnodes
assert S.x in db.structdefnodes
def test_complete():
db = LowLevelDatabase()
pfx = db.namespace.global_prefix + 'g_'
T = GcStruct('subtest', ('y', Signed))
S = GcStruct('test', ('x', Ptr(T)))
s = malloc(S)
s.x = malloc(T)
s.x.y = 42
assert db.get(s).startswith('(&'+pfx)
assert db.containernodes.keys() == [s._obj]
db.complete()
assert len(db.containernodes) == 2
assert s._obj in db.containernodes
assert s.x._obj in db.containernodes
assert len(db.structdefnodes) == 2
assert S in db.structdefnodes
assert S.x.TO in db.structdefnodes
def test_codegen():
db = LowLevelDatabase()
U = Struct('inlined', ('z', Signed))
T = Struct('subtest', ('y', Signed))
S = Struct('test', ('x', Ptr(T)), ('u', U), ('p', Ptr(U)))
s = malloc(S, immortal=True)
s.x = malloc(T, immortal=True)
s.x.y = 42
s.u.z = -100
s.p = s.u
db.get(s)
db.complete()
dump_on_stdout(db)
def test_codegen_2():
db = LowLevelDatabase()
A = GcArray(('x', Signed))
S = GcStruct('test', ('aptr', Ptr(A)))
a = malloc(A, 3)
a[0].x = 100
a[1].x = 101
a[2].x = 102
s = malloc(S)
s.aptr = a
db.get(s)
db.complete()
dump_on_stdout(db)
def test_codegen_3():
db = LowLevelDatabase()
A = Struct('varsizedstuff', ('x', Signed), ('y', Array(('i', Signed))))
S = Struct('test', ('aptr', Ptr(A)),
('anitem', Ptr(A.y.OF)),
('anarray', Ptr(A.y)))
a = malloc(A, 3, immortal=True)
a.x = 99
a.y[0].i = 100
a.y[1].i = 101
a.y[2].i = 102
s = malloc(S, immortal=True)
s.aptr = a
s.anitem = a.y[1]
s.anarray = a.y
db.get(s)
db.complete()
dump_on_stdout(db)
def test_func_simple():
# -------------------- flowgraph building --------------------
# def f(x):
# return x+1
x = Variable("x")
x.concretetype = Signed
result = Variable("result")
result.concretetype = Signed
one = Constant(1)
one.concretetype = Signed
op = SpaceOperation("int_add", [x, one], result)
block = Block([x])
graph = FunctionGraph("f", block)
block.operations.append(op)
block.closeblock(Link([result], graph.returnblock))
graph.getreturnvar().concretetype = Signed
# -------------------- end --------------------
F = FuncType([Signed], Signed)
f = functionptr(F, "f", graph=graph)
db = LowLevelDatabase()
db.get(f)
db.complete()
dump_on_stdout(db)
S = GcStruct('testing', ('fptr', Ptr(F)))
s = malloc(S)
s.fptr = f
db = LowLevelDatabase()
db.get(s)
db.complete()
dump_on_stdout(db)
# ____________________________________________________________
def makegraph(func, argtypes):
t = TranslationContext()
t.buildannotator().build_types(func, [int])
t.buildrtyper().specialize()
bk = t.annotator.bookkeeper
graph = bk.getdesc(func).getuniquegraph()
return t, graph
def test_function_call():
def g(x, y):
return x-y
def f(x):
return g(1, x)
t, graph = makegraph(f, [int])
F = FuncType([Signed], Signed)
f = functionptr(F, "f", graph=graph)
db = LowLevelDatabase(t, exctransformer=t.getexceptiontransformer())
db.get(f)
db.complete()
dump_on_stdout(db)
def test_malloc():
S = GcStruct('testing', ('x', Signed), ('y', Signed))
def ll_f(x):
p = malloc(S)
p.x = x
p.y = x+1
return p.x * p.y
t, graph = makegraph(ll_f, [int])
db = LowLevelDatabase(t, exctransformer=t.getexceptiontransformer())
db.get(getfunctionptr(graph))
db.complete()
dump_on_stdout(db)
def test_multiple_malloc():
S1 = GcStruct('testing1', ('x', Signed), ('y', Signed))
S = GcStruct('testing', ('ptr1', Ptr(S1)),
('ptr2', Ptr(S1)),
('z', Signed))
def ll_f(x):
ptr1 = malloc(S1)
ptr1.x = x
ptr2 = malloc(S1)
ptr2.x = x+1
s = malloc(S)
s.ptr1 = ptr1
s.ptr2 = ptr2
return s.ptr1.x * s.ptr2.x
t, graph = makegraph(ll_f, [int])
db = LowLevelDatabase(t, exctransformer=t.getexceptiontransformer())
db.get(getfunctionptr(graph))
db.complete()
dump_on_stdout(db)
def test_array_of_char():
A = GcArray(Char)
a = malloc(A, 11)
for i, c in zip(range(11), 'hello world'):
a[i] = c
db = LowLevelDatabase()
db.get(a)
db.complete()
dump_on_stdout(db)
def test_voidp():
A = VOIDP
db = LowLevelDatabase()
assert db.gettype(A) == "void *@"
def test_intlong_unique():
A = INT_real
B = Signed
db = LowLevelDatabase()
assert db.gettype(A) == "int @"
assert db.gettype(B) == "Signed @"
def test_recursive_struct():
S = GcForwardReference()
S.become(GcStruct('testing', ('p', Ptr(S))))
p = malloc(S)
p.p = p
db = LowLevelDatabase()
db.get(p)
db.complete()
dump_on_stdout(db)
def test_typedef():
A = Typedef(Signed, 'test4')
db = LowLevelDatabase()
assert db.gettype(A) == "test4 @"
PA = CArrayPtr(A)
assert db.gettype(PA) == "test4 *@"
F = FuncType((A,), A)
assert db.gettype(F) == "test4 (@)(test4)"
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