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import os
from clang.cindex import Config
if 'CLANG_LIBRARY_PATH' in os.environ:
Config.set_library_path(os.environ['CLANG_LIBRARY_PATH'])
from clang.cindex import CursorKind
from clang.cindex import Index
from clang.cindex import SourceLocation
from clang.cindex import SourceRange
from clang.cindex import TokenKind
from .util import get_tu
import unittest
class TestTokens(unittest.TestCase):
def test_token_to_cursor(self):
"""Ensure we can obtain a Cursor from a Token instance."""
tu = get_tu('int i = 5;')
r = tu.get_extent('t.c', (0, 9))
tokens = list(tu.get_tokens(extent=r))
self.assertEqual(len(tokens), 4)
self.assertEqual(tokens[1].spelling, 'i')
self.assertEqual(tokens[1].kind, TokenKind.IDENTIFIER)
cursor = tokens[1].cursor
self.assertEqual(cursor.kind, CursorKind.VAR_DECL)
self.assertEqual(tokens[1].cursor, tokens[2].cursor)
def test_token_location(self):
"""Ensure Token.location works."""
tu = get_tu('int foo = 10;')
r = tu.get_extent('t.c', (0, 11))
tokens = list(tu.get_tokens(extent=r))
self.assertEqual(len(tokens), 4)
loc = tokens[1].location
self.assertIsInstance(loc, SourceLocation)
self.assertEqual(loc.line, 1)
self.assertEqual(loc.column, 5)
self.assertEqual(loc.offset, 4)
def test_token_extent(self):
"""Ensure Token.extent works."""
tu = get_tu('int foo = 10;')
r = tu.get_extent('t.c', (0, 11))
tokens = list(tu.get_tokens(extent=r))
self.assertEqual(len(tokens), 4)
extent = tokens[1].extent
self.assertIsInstance(extent, SourceRange)
self.assertEqual(extent.start.offset, 4)
self.assertEqual(extent.end.offset, 7)
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