Add the clang library to the repo (with some of my changes, too).

1 files changed, 86 insertions, 0 deletions

diff --git a/clang/bindings/python/tests/cindex/test_location.py b/clang/bindings/python/tests/cindex/test_location.py
new file mode 100644
index 0000000..528676e
--- /dev/null
+++ b/clang/bindings/python/tests/cindex/test_location.py
@@ -0,0 +1,86 @@
+from clang.cindex import Cursor
+from clang.cindex import File
+from clang.cindex import SourceLocation
+from clang.cindex import SourceRange
+from .util import get_cursor
+from .util import get_tu
+
+baseInput="int one;\nint two;\n"
+
+def assert_location(loc, line, column, offset):
+    assert loc.line == line
+    assert loc.column == column
+    assert loc.offset == offset
+
+def test_location():
+    tu = get_tu(baseInput)
+    one = get_cursor(tu, 'one')
+    two = get_cursor(tu, 'two')
+
+    assert one is not None
+    assert two is not None
+
+    assert_location(one.location,line=1,column=5,offset=4)
+    assert_location(two.location,line=2,column=5,offset=13)
+
+    # adding a linebreak at top should keep columns same
+    tu = get_tu('\n' + baseInput)
+    one = get_cursor(tu, 'one')
+    two = get_cursor(tu, 'two')
+
+    assert one is not None
+    assert two is not None
+
+    assert_location(one.location,line=2,column=5,offset=5)
+    assert_location(two.location,line=3,column=5,offset=14)
+
+    # adding a space should affect column on first line only
+    tu = get_tu(' ' + baseInput)
+    one = get_cursor(tu, 'one')
+    two = get_cursor(tu, 'two')
+
+    assert_location(one.location,line=1,column=6,offset=5)
+    assert_location(two.location,line=2,column=5,offset=14)
+
+    # define the expected location ourselves and see if it matches
+    # the returned location
+    tu = get_tu(baseInput)
+
+    file = File.from_name(tu, 't.c')
+    location = SourceLocation.from_position(tu, file, 1, 5)
+    cursor = Cursor.from_location(tu, location)
+
+    one = get_cursor(tu, 'one')
+    assert one is not None
+    assert one == cursor
+
+    # Ensure locations referring to the same entity are equivalent.
+    location2 = SourceLocation.from_position(tu, file, 1, 5)
+    assert location == location2
+    location3 = SourceLocation.from_position(tu, file, 1, 4)
+    assert location2 != location3
+
+def test_extent():
+    tu = get_tu(baseInput)
+    one = get_cursor(tu, 'one')
+    two = get_cursor(tu, 'two')
+
+    assert_location(one.extent.start,line=1,column=1,offset=0)
+    assert_location(one.extent.end,line=1,column=8,offset=7)
+    assert baseInput[one.extent.start.offset:one.extent.end.offset] == "int one"
+
+    assert_location(two.extent.start,line=2,column=1,offset=9)
+    assert_location(two.extent.end,line=2,column=8,offset=16)
+    assert baseInput[two.extent.start.offset:two.extent.end.offset] == "int two"
+
+    file = File.from_name(tu, 't.c')
+    location1 = SourceLocation.from_position(tu, file, 1, 1)
+    location2 = SourceLocation.from_position(tu, file, 1, 8)
+
+    range1 = SourceRange.from_locations(location1, location2)
+    range2 = SourceRange.from_locations(location1, location2)
+    assert range1 == range2
+
+    location3 = SourceLocation.from_position(tu, file, 1, 6)
+    range3 = SourceRange.from_locations(location1, location3)
+    assert range1 != range3