derek.holloway
7502bf64a4
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58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
from clang.cindex import CursorKind, SourceLocation, SourceRange, TokenKind
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import unittest
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from .util import get_tu
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class TestTokens(unittest.TestCase):
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def test_token_to_cursor(self):
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"""Ensure we can obtain a Cursor from a Token instance."""
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tu = get_tu("int i = 5;")
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r = tu.get_extent("t.c", (0, 9))
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tokens = list(tu.get_tokens(extent=r))
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self.assertEqual(len(tokens), 4)
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self.assertEqual(tokens[1].spelling, "i")
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self.assertEqual(tokens[1].kind, TokenKind.IDENTIFIER)
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cursor = tokens[1].cursor
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self.assertEqual(cursor.kind, CursorKind.VAR_DECL)
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self.assertEqual(tokens[1].cursor, tokens[2].cursor)
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def test_token_location(self):
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"""Ensure Token.location works."""
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tu = get_tu("int foo = 10;")
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r = tu.get_extent("t.c", (0, 11))
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tokens = list(tu.get_tokens(extent=r))
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self.assertEqual(len(tokens), 4)
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loc = tokens[1].location
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self.assertIsInstance(loc, SourceLocation)
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self.assertEqual(loc.line, 1)
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self.assertEqual(loc.column, 5)
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self.assertEqual(loc.offset, 4)
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def test_token_extent(self):
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"""Ensure Token.extent works."""
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tu = get_tu("int foo = 10;")
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r = tu.get_extent("t.c", (0, 11))
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tokens = list(tu.get_tokens(extent=r))
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self.assertEqual(len(tokens), 4)
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extent = tokens[1].extent
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self.assertIsInstance(extent, SourceRange)
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self.assertEqual(extent.start.offset, 4)
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self.assertEqual(extent.end.offset, 7)
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def test_null_cursor(self):
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"""Ensure that the cursor property converts null cursors to None"""
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tu = get_tu("int i = 5;")
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tokens = list(tu.get_tokens(extent=tu.cursor.extent))
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self.assertEqual(tokens[-1].cursor, None)
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