841 lines
27 KiB
Python
841 lines
27 KiB
Python
# Copyright 2019 Google LLC
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# https://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
"""Tests for code."""
|
|
|
|
from __future__ import absolute_import
|
|
from __future__ import division
|
|
from __future__ import print_function
|
|
from absl.testing import absltest
|
|
from absl.testing import parameterized
|
|
from clang import cindex
|
|
from com_google_sandboxed_api.sandboxed_api.tools.generator2 import code
|
|
from com_google_sandboxed_api.sandboxed_api.tools.generator2 import code_test_util
|
|
|
|
CODE = """
|
|
typedef int(fun*)(int,int);
|
|
extern "C" int function_a(int x, int y) { return x + y; }
|
|
extern "C" int function_b(int a, int b) { return a + b; }
|
|
|
|
struct a {
|
|
void (*fun_ptr)(char, long);
|
|
}
|
|
"""
|
|
|
|
|
|
def analyze_string(content, path='tmp.cc', limit_scan_depth=False):
|
|
"""Returns Analysis object for in memory content."""
|
|
return analyze_strings(path, [(path, content)], limit_scan_depth)
|
|
|
|
|
|
def analyze_strings(path, unsaved_files, limit_scan_depth=False):
|
|
"""Returns Analysis object for in memory content."""
|
|
return code.Analyzer._analyze_file_for_tu(path, None, False, unsaved_files,
|
|
limit_scan_depth)
|
|
|
|
|
|
class CodeAnalysisTest(parameterized.TestCase):
|
|
|
|
def testInMemoryFile(self):
|
|
translation_unit = analyze_string(CODE)
|
|
self.assertIsNotNone(translation_unit._tu.cursor)
|
|
|
|
def testSimpleASTTraversal(self):
|
|
translation_unit = analyze_string(CODE)
|
|
|
|
structs = 0
|
|
functions = 0
|
|
params = 0
|
|
typedefs = 0
|
|
|
|
for cursor in translation_unit._walk_preorder():
|
|
if cursor.kind == cindex.CursorKind.FUNCTION_DECL:
|
|
functions += 1
|
|
elif cursor.kind == cindex.CursorKind.STRUCT_DECL:
|
|
structs += 1
|
|
elif cursor.kind == cindex.CursorKind.PARM_DECL:
|
|
params += 1
|
|
elif cursor.kind == cindex.CursorKind.TYPEDEF_DECL:
|
|
typedefs += 1
|
|
|
|
self.assertEqual(functions, 2)
|
|
self.assertEqual(structs, 1)
|
|
self.assertEqual(params, 8)
|
|
self.assertEqual(typedefs, 1)
|
|
|
|
def testParseSkipFunctionBodies(self):
|
|
function_body = 'extern "C" int function(bool a1) { return a1 ? 1 : 2; }'
|
|
translation_unit = analyze_string(function_body)
|
|
for cursor in translation_unit._walk_preorder():
|
|
if cursor.kind == cindex.CursorKind.FUNCTION_DECL:
|
|
# cursor.get_definition() is None when we skip parsing function bodies
|
|
self.assertIsNone(cursor.get_definition())
|
|
|
|
def testExternC(self):
|
|
translation_unit = analyze_string('extern "C" int function(char* a);')
|
|
cursor_kinds = [
|
|
x.kind
|
|
for x in translation_unit._walk_preorder()
|
|
if x.kind != cindex.CursorKind.MACRO_DEFINITION
|
|
]
|
|
self.assertListEqual(cursor_kinds, [
|
|
cindex.CursorKind.TRANSLATION_UNIT, cindex.CursorKind.LINKAGE_SPEC,
|
|
cindex.CursorKind.FUNCTION_DECL, cindex.CursorKind.PARM_DECL
|
|
])
|
|
|
|
@parameterized.named_parameters(
|
|
('1:', '/tmp/test.h', 'tmp', 'tmp/test.h'),
|
|
('2:', '/a/b/c/d/tmp/test.h', 'c/d', 'c/d/tmp/test.h'),
|
|
('3:', '/tmp/test.h', None, '/tmp/test.h'),
|
|
('4:', '/tmp/test.h', '', '/tmp/test.h'),
|
|
('5:', '/tmp/test.h', 'xxx', 'xxx/test.h'),
|
|
)
|
|
def testGetIncludes(self, path, prefix, expected):
|
|
function_body = 'extern "C" int function(bool a1) { return a1 ? 1 : 2; }'
|
|
translation_unit = analyze_string(function_body)
|
|
for cursor in translation_unit._walk_preorder():
|
|
if cursor.kind == cindex.CursorKind.FUNCTION_DECL:
|
|
fn = code.Function(translation_unit, cursor)
|
|
fn.get_absolute_path = lambda: path
|
|
self.assertEqual(fn.get_include_path(prefix), expected)
|
|
|
|
def testCodeGeneratorOutput(self):
|
|
body = """
|
|
extern "C" {
|
|
int function_a(int x, int y) { return x + y; }
|
|
|
|
int types_1(bool a0, unsigned char a1, char a2, unsigned short a3, short a4);
|
|
int types_2(int a0, unsigned int a1, long a2, unsigned long a3);
|
|
int types_3(long long a0, unsigned long long a1, float a2, double a3);
|
|
int types_4(signed char a0, signed short a1, signed int a2, signed long a3);
|
|
int types_5(signed long long a0, long double a1);
|
|
void types_6(char* a0);
|
|
}
|
|
"""
|
|
functions = [
|
|
'function_a', 'types_1', 'types_2', 'types_3', 'types_4', 'types_5',
|
|
'types_6'
|
|
]
|
|
generator = code.Generator([analyze_string(body)])
|
|
result = generator.generate('Test', functions, 'sapi::Tests', None, None)
|
|
self.assertMultiLineEqual(code_test_util.CODE_GOLD, result)
|
|
|
|
def testElaboratedArgument(self):
|
|
body = """
|
|
struct x { int a; };
|
|
extern "C" int function(struct x a) { return a.a; }
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
with self.assertRaisesRegex(ValueError, r'Elaborate.*mapped.*'):
|
|
generator.generate('Test', ['function'], 'sapi::Tests', None, None)
|
|
|
|
def testElaboratedArgument2(self):
|
|
body = """
|
|
typedef struct { int a; char b; } x;
|
|
extern "C" int function(x a) { return a.a; }
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
with self.assertRaisesRegex(ValueError, r'Elaborate.*mapped.*'):
|
|
generator.generate('Test', ['function'], 'sapi::Tests', None, None)
|
|
|
|
def testGetMappedType(self):
|
|
body = """
|
|
typedef unsigned int uint;
|
|
typedef uint* uintp;
|
|
extern "C" uint function(uintp a) { return *a; }
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
result = generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
self.assertMultiLineEqual(code_test_util.CODE_GOLD_MAPPED, result)
|
|
|
|
@parameterized.named_parameters(
|
|
('1:', '/tmp/test.h', '_TMP_TEST_H_'),
|
|
('2:', 'tmp/te-st.h', 'TMP_TE_ST_H_'),
|
|
('3:', 'tmp/te-st.h.gen', 'TMP_TE_ST_H_'),
|
|
('4:', 'xx/genfiles/tmp/te-st.h', 'TMP_TE_ST_H_'),
|
|
('5:', 'xx/genfiles/tmp/te-st.h.gen', 'TMP_TE_ST_H_'),
|
|
('6:', 'xx/genfiles/.gen/tmp/te-st.h', '_GEN_TMP_TE_ST_H_'),
|
|
)
|
|
def testGetHeaderGuard(self, path, expected):
|
|
self.assertEqual(code.get_header_guard(path), expected)
|
|
|
|
@parameterized.named_parameters(
|
|
('function with return value and arguments',
|
|
'extern "C" int function(bool arg_bool, char* arg_ptr);',
|
|
['arg_bool', 'arg_ptr']),
|
|
('function without return value and no arguments',
|
|
'extern "C" void function();', []),
|
|
)
|
|
def testArgumentNames(self, body, names):
|
|
generator = code.Generator([analyze_string(body)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
self.assertLen(functions[0].argument_types, len(names))
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
for t in functions[0].argument_types:
|
|
self.assertIn(t.name, names)
|
|
|
|
def testStaticFunctions(self):
|
|
body = 'static int function() { return 7; };'
|
|
generator = code.Generator([analyze_string(body)])
|
|
self.assertEmpty(generator._get_functions())
|
|
|
|
def testEnumGeneration(self):
|
|
body = """
|
|
enum ProcessStatus {
|
|
OK = 0,
|
|
ERROR = 1,
|
|
};
|
|
|
|
extern "C" ProcessStatus ProcessDatapoint(ProcessStatus status) {
|
|
return status;
|
|
}
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
result = generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
self.assertMultiLineEqual(code_test_util.CODE_ENUM_GOLD, result)
|
|
|
|
def testTypeEq(self):
|
|
body = """
|
|
typedef unsigned int uint;
|
|
extern "C" void function(uint a1, uint a2, char a3);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
args = functions[0].arguments()
|
|
self.assertLen(args, 3)
|
|
self.assertEqual(args[0], args[1])
|
|
self.assertNotEqual(args[0], args[2])
|
|
self.assertNotEqual(args[1], args[2])
|
|
|
|
self.assertLen(set(args), 2)
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testTypedefRelatedTypes(self):
|
|
body = """
|
|
typedef unsigned int uint;
|
|
typedef uint* uint_p;
|
|
typedef uint_p* uint_pp;
|
|
|
|
typedef struct data {
|
|
int a;
|
|
int b;
|
|
} data_s;
|
|
typedef data_s* data_p;
|
|
|
|
extern "C" uint function_using_typedefs(uint_p a1, uint_pp a2, data_p a3);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
args = functions[0].arguments()
|
|
self.assertLen(args, 3)
|
|
|
|
types = args[0].get_related_types()
|
|
names = [t._clang_type.spelling for t in types]
|
|
self.assertLen(types, 2)
|
|
self.assertSameElements(names, ['uint_p', 'uint'])
|
|
|
|
types = args[1].get_related_types()
|
|
names = [t._clang_type.spelling for t in types]
|
|
self.assertLen(types, 3)
|
|
self.assertSameElements(names, ['uint_pp', 'uint_p', 'uint'])
|
|
|
|
types = args[2].get_related_types()
|
|
names = [t._clang_type.spelling for t in types]
|
|
self.assertLen(types, 2)
|
|
self.assertSameElements(names, ['data_s', 'data_p'])
|
|
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testTypedefDuplicateType(self):
|
|
body = """
|
|
typedef struct data {
|
|
int a;
|
|
int b;
|
|
} data_s;
|
|
|
|
struct s {
|
|
struct data* f1;
|
|
};
|
|
|
|
extern "C" uint function_using_typedefs(struct s* a1, data_s* a2);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
args = functions[0].arguments()
|
|
self.assertLen(args, 2)
|
|
|
|
types = generator._get_related_types()
|
|
self.assertLen(generator.translation_units[0].types_to_skip, 1)
|
|
|
|
names = [t._clang_type.spelling for t in types]
|
|
self.assertSameElements(['data_s', 's'], names)
|
|
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testStructureRelatedTypes(self):
|
|
body = """
|
|
typedef unsigned int uint;
|
|
|
|
typedef struct {
|
|
uint a;
|
|
struct {
|
|
int a;
|
|
int b;
|
|
} b;
|
|
} struct_1;
|
|
|
|
struct struct_2 {
|
|
uint a;
|
|
char b;
|
|
struct_1* c;
|
|
};
|
|
|
|
typedef struct a {
|
|
int b;
|
|
} struct_a;
|
|
|
|
extern "C" int function_using_structures(struct struct_2* a1, struct_1* a2,
|
|
struct_a* a3);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
args = functions[0].arguments()
|
|
self.assertLen(args, 3)
|
|
|
|
types = args[0].get_related_types()
|
|
names = [t._clang_type.spelling for t in types]
|
|
self.assertLen(types, 3)
|
|
self.assertSameElements(names, ['struct_2', 'uint', 'struct_1'])
|
|
|
|
types = args[1].get_related_types()
|
|
names = [t._clang_type.spelling for t in types]
|
|
self.assertLen(types, 2)
|
|
self.assertSameElements(names, ['struct_1', 'uint'])
|
|
|
|
names = [t._clang_type.spelling for t in generator._get_related_types()]
|
|
self.assertEqual(names, ['uint', 'struct_1', 'struct_2', 'struct_a'])
|
|
|
|
types = args[2].get_related_types()
|
|
self.assertLen(types, 1)
|
|
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testUnionRelatedTypes(self):
|
|
body = """
|
|
typedef unsigned int uint;
|
|
|
|
typedef union {
|
|
uint a;
|
|
union {
|
|
int a;
|
|
int b;
|
|
} b;
|
|
} union_1;
|
|
|
|
union union_2 {
|
|
uint a;
|
|
char b;
|
|
union_1* c;
|
|
};
|
|
|
|
extern "C" int function_using_unions(union union_2* a1, union_1* a2);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
args = functions[0].arguments()
|
|
self.assertLen(args, 2)
|
|
|
|
types = args[0].get_related_types()
|
|
names = [t._clang_type.spelling for t in types]
|
|
self.assertLen(types, 3)
|
|
self.assertSameElements(names, ['union_2', 'uint', 'union_1'])
|
|
|
|
types = args[1].get_related_types()
|
|
names = [t._clang_type.spelling for t in types]
|
|
self.assertLen(types, 2)
|
|
self.assertSameElements(names, ['union_1', 'uint'])
|
|
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testFunctionPointerRelatedTypes(self):
|
|
body = """
|
|
typedef unsigned int uint;
|
|
typedef unsigned char uchar;
|
|
typedef uint (*funcp)(uchar, uchar);
|
|
|
|
struct struct_1 {
|
|
uint (*func)(uchar);
|
|
int a;
|
|
};
|
|
|
|
extern "C" void function(struct struct_1* a1, funcp a2);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
args = functions[0].arguments()
|
|
self.assertLen(args, 2)
|
|
|
|
types = args[0].get_related_types()
|
|
names = [t._clang_type.spelling for t in types]
|
|
self.assertLen(types, 3)
|
|
self.assertSameElements(names, ['struct_1', 'uint', 'uchar'])
|
|
|
|
types = args[1].get_related_types()
|
|
names = [t._clang_type.spelling for t in types]
|
|
self.assertLen(types, 3)
|
|
self.assertSameElements(names, ['funcp', 'uint', 'uchar'])
|
|
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testForwardDeclaration(self):
|
|
body = """
|
|
struct struct_6_def;
|
|
typedef struct struct_6_def struct_6;
|
|
typedef struct_6* struct_6p;
|
|
typedef void (*function_p3)(struct_6p);
|
|
struct struct_6_def {
|
|
function_p3 fn;
|
|
};
|
|
|
|
extern "C" void function_using_type_loop(struct_6p a1);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
args = functions[0].arguments()
|
|
self.assertLen(args, 1)
|
|
|
|
types = args[0].get_related_types()
|
|
names = [t._clang_type.spelling for t in types]
|
|
self.assertLen(types, 4)
|
|
self.assertSameElements(
|
|
names, ['struct_6p', 'struct_6', 'struct_6_def', 'function_p3'])
|
|
|
|
self.assertLen(generator.translation_units, 1)
|
|
self.assertLen(generator.translation_units[0].forward_decls, 1)
|
|
|
|
t = next(
|
|
x for x in types if x._clang_type.spelling == 'struct_6_def')
|
|
self.assertIn(t, generator.translation_units[0].forward_decls)
|
|
|
|
names = [t._clang_type.spelling for t in generator._get_related_types()]
|
|
self.assertEqual(
|
|
names, ['struct_6', 'struct_6p', 'function_p3', 'struct_6_def'])
|
|
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
forward_decls = generator._get_forward_decls(generator._get_related_types())
|
|
self.assertLen(forward_decls, 1)
|
|
self.assertEqual(forward_decls[0], 'struct struct_6_def;')
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testEnumRelatedTypes(self):
|
|
body = """
|
|
enum Enumeration { ONE, TWO, THREE };
|
|
typedef enum Numbers { UNKNOWN, FIVE = 5, SE7EN = 7 } Nums;
|
|
typedef enum { SIX = 6, TEN = 10 } SixOrTen;
|
|
enum class Color : long long { RED, GREEN = 20, BLUE }; // NOLINT
|
|
enum struct Direction { LEFT = 'l', RIGHT = 'r' };
|
|
enum __rlimit_resource { RLIMIT_CPU = 0, RLIMIT_MEM = 1};
|
|
|
|
extern "C" int function_using_enums(Enumeration a1, SixOrTen a2, Color a3,
|
|
Direction a4, Nums a5, enum __rlimit_resource a6);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
args = functions[0].arguments()
|
|
self.assertLen(args, 6)
|
|
|
|
self.assertLen(args[0].get_related_types(), 1)
|
|
self.assertLen(args[1].get_related_types(), 1)
|
|
self.assertLen(args[2].get_related_types(), 1)
|
|
self.assertLen(args[3].get_related_types(), 1)
|
|
self.assertLen(args[4].get_related_types(), 1)
|
|
self.assertLen(args[5].get_related_types(), 1)
|
|
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testArrayAsParam(self):
|
|
body = """
|
|
extern "C" int function_using_enums(char a[10], char *const __argv[]);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
args = functions[0].arguments()
|
|
self.assertLen(args, 2)
|
|
|
|
@parameterized.named_parameters(
|
|
('uint < ushort ', 'assertLess', 1, 2),
|
|
('uint < chr ', 'assertLess', 1, 3),
|
|
('uint < uchar ', 'assertLess', 1, 4),
|
|
('uint < u32 ', 'assertLess', 1, 5),
|
|
('uint < ulong ', 'assertLess', 1, 6),
|
|
('ushort < chr ', 'assertLess', 2, 3),
|
|
('ushort < uchar ', 'assertLess', 2, 4),
|
|
('ushort < u32 ', 'assertLess', 2, 5),
|
|
('ushort < ulong ', 'assertLess', 2, 6),
|
|
('chr < uchar ', 'assertLess', 3, 4),
|
|
('chr < u32 ', 'assertLess', 3, 5),
|
|
('chr < ulong ', 'assertLess', 3, 6),
|
|
('uchar < u32 ', 'assertLess', 4, 5),
|
|
('uchar < ulong ', 'assertLess', 4, 6),
|
|
('u32 < ulong ', 'assertLess', 5, 6),
|
|
('ushort > uint ', 'assertGreater', 2, 1),
|
|
('chr > uint ', 'assertGreater', 3, 1),
|
|
('uchar > uint ', 'assertGreater', 4, 1),
|
|
('u32 > uint ', 'assertGreater', 5, 1),
|
|
('ulong > uint ', 'assertGreater', 6, 1),
|
|
('chr > ushort ', 'assertGreater', 3, 2),
|
|
('uchar > ushort ', 'assertGreater', 4, 2),
|
|
('u32 > ushort ', 'assertGreater', 5, 2),
|
|
('ulong > ushort ', 'assertGreater', 6, 2),
|
|
('uchar > chr ', 'assertGreater', 4, 3),
|
|
('u32 > chr ', 'assertGreater', 5, 3),
|
|
('ulong > chr ', 'assertGreater', 6, 3),
|
|
('u32 > uchar ', 'assertGreater', 5, 4),
|
|
('ulong > uchar ', 'assertGreater', 6, 4),
|
|
('ulong > u32 ', 'assertGreater', 6, 5),
|
|
)
|
|
def testTypeOrder(self, func, a1, a2):
|
|
"""Checks if comparison functions of Type class work properly.
|
|
|
|
This is necessary for Generator._get_related_types to return types in
|
|
proper order, ready to be emitted in the generated file. To be more
|
|
specific: emitted types will be ordered in a way that would allow
|
|
compilation ie. if structure field type is a typedef, typedef definition
|
|
will end up before structure definition.
|
|
|
|
Args:
|
|
func: comparison assert to call
|
|
a1: function argument number to take the type to compare
|
|
a2: function argument number to take the type to compare
|
|
"""
|
|
|
|
file1_code = """
|
|
typedef unsigned int uint;
|
|
#include "/f2.h"
|
|
typedef uint u32;
|
|
#include "/f3.h"
|
|
|
|
struct args {
|
|
u32 a;
|
|
uchar b;
|
|
ulong c;
|
|
ushort d;
|
|
chr e;
|
|
};
|
|
extern "C" int function(struct args* a0, uint a1, ushort a2, chr a3,
|
|
uchar a4, u32 a5, ulong a6, struct args* a7);
|
|
"""
|
|
file2_code = """
|
|
typedef unsigned short ushort;
|
|
#include "/f4.h"
|
|
typedef unsigned char uchar;"""
|
|
file3_code = 'typedef unsigned long ulong;'
|
|
file4_code = 'typedef char chr;'
|
|
files = [('f1.h', file1_code), ('/f2.h', file2_code), ('/f3.h', file3_code),
|
|
('/f4.h', file4_code)]
|
|
generator = code.Generator([analyze_strings('f1.h', files)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
args = functions[0].arguments()
|
|
getattr(self, func)(args[a1], args[a2])
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testFilterFunctionsFromInputFilesOnly(self):
|
|
file1_code = """
|
|
#include "/f2.h"
|
|
|
|
extern "C" int function1();
|
|
"""
|
|
file2_code = """
|
|
extern "C" int function2();
|
|
"""
|
|
|
|
files = [('f1.h', file1_code), ('/f2.h', file2_code)]
|
|
generator = code.Generator([analyze_strings('f1.h', files)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 2)
|
|
|
|
generator = code.Generator([analyze_strings('f1.h', files, True)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
def testTypeToString(self):
|
|
body = """
|
|
#define SIZE 1024
|
|
typedef unsigned int uint;
|
|
|
|
typedef struct {
|
|
#if SOME_DEFINE >= 12 \
|
|
&& SOME_OTHER == 13
|
|
uint a;
|
|
#else
|
|
uint aa;
|
|
#endif
|
|
struct {
|
|
uint a;
|
|
int b;
|
|
char c[SIZE];
|
|
} b;
|
|
} struct_1;
|
|
|
|
extern "C" int function_using_structures(struct_1* a1);
|
|
"""
|
|
|
|
# pylint: disable=trailing-whitespace
|
|
expected = """typedef struct {
|
|
#if SOME_DEFINE >= 12 && SOME_OTHER == 13
|
|
\tuint a ;
|
|
#else
|
|
\tuint aa ;
|
|
#endif
|
|
\tstruct {
|
|
\t\tuint a ;
|
|
\t\tint b ;
|
|
\t\tchar c [ SIZE ] ;
|
|
\t} b ;
|
|
} struct_1"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
types = generator._get_related_types()
|
|
self.assertLen(types, 2)
|
|
self.assertEqual('typedef unsigned int uint', types[0].stringify())
|
|
self.assertMultiLineEqual(expected, types[1].stringify())
|
|
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testCollectDefines(self):
|
|
body = """
|
|
#define SIZE 1024
|
|
#define NOT_USED 7
|
|
#define SIZE2 2*1024
|
|
#define SIZE3 1337
|
|
#define SIZE4 10
|
|
struct test {
|
|
int a[SIZE];
|
|
char b[SIZE2];
|
|
float c[777];
|
|
int (*d)[SIZE3*SIZE4];
|
|
};
|
|
extern "C" int function_1(struct test* a1);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
self.assertLen(generator.translation_units, 1)
|
|
|
|
generator._get_related_types()
|
|
tu = generator.translation_units[0]
|
|
tu._process()
|
|
|
|
self.assertLen(tu.required_defines, 4)
|
|
defines = generator._get_defines()
|
|
self.assertLen(defines, 4)
|
|
self.assertIn('#define SIZE 1024', defines)
|
|
self.assertIn('#define SIZE2 2 * 1024', defines)
|
|
self.assertIn('#define SIZE3 1337', defines)
|
|
self.assertIn('#define SIZE4 10', defines)
|
|
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testYaraCase(self):
|
|
body = """
|
|
#define YR_ALIGN(n) __attribute__((aligned(n)))
|
|
#define DECLARE_REFERENCE(type, name) union { \
|
|
type name; \
|
|
int64_t name##_; \
|
|
} YR_ALIGN(8)
|
|
struct YR_NAMESPACE {
|
|
int32_t t_flags[1337];
|
|
DECLARE_REFERENCE(char*, name);
|
|
};
|
|
|
|
extern "C" int function_1(struct YR_NAMESPACE* a1);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
self.assertLen(generator.translation_units, 1)
|
|
|
|
generator._get_related_types()
|
|
tu = generator.translation_units[0]
|
|
tu._process()
|
|
|
|
self.assertLen(tu.required_defines, 2)
|
|
defines = generator._get_defines()
|
|
# _get_defines will add dependant defines to tu.required_defines
|
|
self.assertLen(defines, 2)
|
|
gold = '#define DECLARE_REFERENCE('
|
|
# DECLARE_REFERENCE must be second to pass this test
|
|
self.assertTrue(defines[1].startswith(gold))
|
|
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testDoubleFunction(self):
|
|
body = """
|
|
extern "C" int function_1(int a);
|
|
extern "C" int function_1(int a) {
|
|
return a + 1;
|
|
};
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
self.assertLen(generator.translation_units, 1)
|
|
|
|
tu = generator.translation_units[0]
|
|
tu._process()
|
|
|
|
self.assertLen(tu.functions, 1)
|
|
|
|
# Extra check for generation, in case rendering throws error for this test.
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
def testDefineStructBody(self):
|
|
body = """
|
|
#define STRUCT_BODY \
|
|
int a; \
|
|
char b; \
|
|
long c
|
|
struct test {
|
|
STRUCT_BODY;
|
|
};
|
|
extern "C" void function(struct test* a1);
|
|
"""
|
|
|
|
generator = code.Generator([analyze_string(body)])
|
|
self.assertLen(generator.translation_units, 1)
|
|
|
|
# initialize all internal data
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
tu = generator.translation_units[0]
|
|
|
|
self.assertLen(tu.functions, 1)
|
|
self.assertLen(tu.required_defines, 1)
|
|
|
|
def testJpegTurboCase(self):
|
|
body = """
|
|
typedef short JCOEF;
|
|
#define DCTSIZE2 1024
|
|
typedef JCOEF JBLOCK[DCTSIZE2];
|
|
|
|
extern "C" void function(JBLOCK* a);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
self.assertLen(generator.translation_units, 1)
|
|
|
|
# initialize all internal data
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
tu = generator.translation_units[0]
|
|
self.assertLen(tu.functions, 1)
|
|
self.assertLen(generator._get_defines(), 1)
|
|
self.assertLen(generator._get_related_types(), 2)
|
|
|
|
def testMultipleTypesWhenConst(self):
|
|
body = """
|
|
struct Instance {
|
|
void* instance = nullptr;
|
|
void* state_memory = nullptr;
|
|
void* scratch_memory = nullptr;
|
|
};
|
|
|
|
extern "C" void function1(Instance* a);
|
|
extern "C" void function2(const Instance* a);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
self.assertLen(generator.translation_units, 1)
|
|
|
|
# Initialize all internal data
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
tu = generator.translation_units[0]
|
|
self.assertLen(tu.functions, 2)
|
|
self.assertLen(generator._get_related_types(), 1)
|
|
|
|
def testReference(self):
|
|
body = """
|
|
struct Instance {
|
|
int a;
|
|
};
|
|
|
|
void Function1(Instance& a, Instance&& a);
|
|
"""
|
|
generator = code.Generator([analyze_string(body)])
|
|
self.assertLen(generator.translation_units, 1)
|
|
|
|
# Initialize all internal data
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
tu = generator.translation_units[0]
|
|
self.assertLen(tu.functions, 1)
|
|
|
|
# this will return 0 related types because function will be mangled and
|
|
# filtered out by generator
|
|
self.assertEmpty(generator._get_related_types())
|
|
self.assertLen(next(iter(tu.functions)).get_related_types(), 1)
|
|
|
|
def testCppHeader(self):
|
|
path = 'tmp.h'
|
|
content = """
|
|
int sum(int a, float b);
|
|
|
|
extern "C" int sum(int a, float b);
|
|
"""
|
|
unsaved_files = [(path, content)]
|
|
generator = code.Generator([analyze_strings(path, unsaved_files)])
|
|
# Initialize all internal data
|
|
generator.generate('Test', [], 'sapi::Tests', None, None)
|
|
|
|
# generator should filter out mangled function
|
|
functions = generator._get_functions()
|
|
self.assertLen(functions, 1)
|
|
|
|
tu = generator.translation_units[0]
|
|
functions = tu.get_functions()
|
|
self.assertLen(functions, 2)
|
|
|
|
mangled_names = [f.cursor.mangled_name for f in functions]
|
|
self.assertSameElements(mangled_names, ['sum', '_Z3sumif'])
|
|
|
|
|
|
if __name__ == '__main__':
|
|
absltest.main()
|