1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
from clang.cindex import CursorKind
from clang.cindex import Cursor
from clang.cindex import Index
from clang.cindex import TranslationUnitSaveError
from clang.cindex import TranslationUnit
from .util import get_cursor
from .util import get_tu
import os
kInputsDir = os.path.join(os.path.dirname(__file__), 'INPUTS')
def test_spelling():
path = os.path.join(kInputsDir, 'hello.cpp')
tu = TranslationUnit.from_source(path)
assert tu.spelling == path
def test_cursor():
path = os.path.join(kInputsDir, 'hello.cpp')
tu = get_tu(path)
c = tu.cursor
assert isinstance(c, Cursor)
assert c.kind is CursorKind.TRANSLATION_UNIT
def test_parse_arguments():
path = os.path.join(kInputsDir, 'parse_arguments.c')
tu = TranslationUnit.from_source(path, ['-DDECL_ONE=hello', '-DDECL_TWO=hi'])
spellings = [c.spelling for c in tu.cursor.get_children()]
assert spellings[-2] == 'hello'
assert spellings[-1] == 'hi'
def test_reparse_arguments():
path = os.path.join(kInputsDir, 'parse_arguments.c')
tu = TranslationUnit.from_source(path, ['-DDECL_ONE=hello', '-DDECL_TWO=hi'])
tu.reparse()
spellings = [c.spelling for c in tu.cursor.get_children()]
assert spellings[-2] == 'hello'
assert spellings[-1] == 'hi'
def test_unsaved_files():
tu = TranslationUnit.from_source('fake.c', ['-I./'], unsaved_files = [
('fake.c', """
#include "fake.h"
int x;
int SOME_DEFINE;
"""),
('./fake.h', """
#define SOME_DEFINE y
""")
])
spellings = [c.spelling for c in tu.cursor.get_children()]
assert spellings[-2] == 'x'
assert spellings[-1] == 'y'
def test_unsaved_files_2():
import StringIO
tu = TranslationUnit.from_source('fake.c', unsaved_files = [
('fake.c', StringIO.StringIO('int x;'))])
spellings = [c.spelling for c in tu.cursor.get_children()]
assert spellings[-1] == 'x'
def normpaths_equal(path1, path2):
""" Compares two paths for equality after normalizing them with
os.path.normpath
"""
return os.path.normpath(path1) == os.path.normpath(path2)
def test_includes():
def eq(expected, actual):
if not actual.is_input_file:
return normpaths_equal(expected[0], actual.source.name) and \
normpaths_equal(expected[1], actual.include.name)
else:
return normpaths_equal(expected[1], actual.include.name)
src = os.path.join(kInputsDir, 'include.cpp')
h1 = os.path.join(kInputsDir, "header1.h")
h2 = os.path.join(kInputsDir, "header2.h")
h3 = os.path.join(kInputsDir, "header3.h")
inc = [(src, h1), (h1, h3), (src, h2), (h2, h3)]
tu = TranslationUnit.from_source(src)
for i in zip(inc, tu.get_includes()):
assert eq(i[0], i[1])
def save_tu(tu):
"""Convenience API to save a TranslationUnit to a file.
Returns the filename it was saved to.
"""
# FIXME Generate a temp file path using system APIs.
base = 'TEMP_FOR_TRANSLATIONUNIT_SAVE.c'
path = os.path.join(kInputsDir, base)
# Just in case.
if os.path.exists(path):
os.unlink(path)
tu.save(path)
return path
def test_save():
"""Ensure TranslationUnit.save() works."""
tu = get_tu('int foo();')
path = save_tu(tu)
assert os.path.exists(path)
assert os.path.getsize(path) > 0
os.unlink(path)
def test_save_translation_errors():
"""Ensure that saving to an invalid directory raises."""
tu = get_tu('int foo();')
path = '/does/not/exist/llvm-test.ast'
assert not os.path.exists(os.path.dirname(path))
try:
tu.save(path)
assert False
except TranslationUnitSaveError as ex:
expected = TranslationUnitSaveError.ERROR_UNKNOWN
assert ex.save_error == expected
def test_load():
"""Ensure TranslationUnits can be constructed from saved files."""
tu = get_tu('int foo();')
assert len(tu.diagnostics) == 0
path = save_tu(tu)
assert os.path.exists(path)
assert os.path.getsize(path) > 0
tu2 = TranslationUnit.from_ast_file(filename=path)
assert len(tu2.diagnostics) == 0
foo = get_cursor(tu2, 'foo')
assert foo is not None
# Just in case there is an open file descriptor somewhere.
del tu2
os.unlink(path)
def test_index_parse():
path = os.path.join(kInputsDir, 'hello.cpp')
index = Index.create()
tu = index.parse(path)
assert isinstance(tu, TranslationUnit)
|
