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import os
from clang.cindex import Config, CursorKind, SourceLocation, SourceRange, TokenKind
if "CLANG_LIBRARY_PATH" in os.environ:
Config.set_library_path(os.environ["CLANG_LIBRARY_PATH"])
import unittest
from .util import get_tu
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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