cindex/Python: Add full support for Diagnostic and FixIt objects, available via TranslationUnit.diagnostics.

Several important FIXMEs remain:
  - We aren't getting all the notes?
  - There is still no way to get diagnostics for invalid inputs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94933 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 48 insertions, 0 deletions

diff --git a/bindings/python/tests/cindex/test_diagnostics.py b/bindings/python/tests/cindex/test_diagnostics.py
new file mode 100644
index 0000000000..58fd9e5384
--- /dev/null
+++ b/bindings/python/tests/cindex/test_diagnostics.py
@@ -0,0 +1,48 @@
+from clang.cindex import *
+
+def tu_from_source(source):
+    index = Index.create()
+    tu = index.parse('INPUT.c', unsaved_files = [('INPUT.c', source)])
+    # FIXME: Remove the need for this.
+    tu.index = index
+    return tu
+
+# FIXME: We need support for invalid translation units to test better.
+
+def test_diagnostic_warning():
+    tu = tu_from_source("""int f0() {}\n""")
+    assert len(tu.diagnostics) == 1
+    assert tu.diagnostics[0].severity == Diagnostic.Warning
+    assert tu.diagnostics[0].location.line == 1
+    assert tu.diagnostics[0].location.column == 11
+    assert (tu.diagnostics[0].spelling ==
+            'control reaches end of non-void function')
+
+def test_diagnostic_note():
+    # FIXME: We aren't getting notes here for some reason.
+    index = Index.create()
+    tu = tu_from_source("""#define A x\nvoid *A = 1;\n""")
+    assert len(tu.diagnostics) == 1
+    assert tu.diagnostics[0].severity == Diagnostic.Warning
+    assert tu.diagnostics[0].location.line == 2
+    assert tu.diagnostics[0].location.column == 7
+    assert 'incompatible' in tu.diagnostics[0].spelling
+#    assert tu.diagnostics[1].severity == Diagnostic.Note
+#    assert tu.diagnostics[1].location.line == 1
+#    assert tu.diagnostics[1].location.column == 11
+#    assert tu.diagnostics[1].spelling == 'instantiated from'
+
+def test_diagnostic_fixit():
+    index = Index.create()
+    tu = tu_from_source("""struct { int f0; } x = { f0 : 1 };""")
+    assert len(tu.diagnostics) == 1
+    assert tu.diagnostics[0].severity == Diagnostic.Warning
+    assert tu.diagnostics[0].location.line == 1
+    assert tu.diagnostics[0].location.column == 31
+    assert tu.diagnostics[0].spelling.startswith('use of GNU old-style')
+    assert len(tu.diagnostics[0].fixits) == 1
+    assert tu.diagnostics[0].fixits[0].range.start.line == 1
+    assert tu.diagnostics[0].fixits[0].range.start.column == 26
+    assert tu.diagnostics[0].fixits[0].range.end.line == 1
+    assert tu.diagnostics[0].fixits[0].range.end.column == 29
+    assert tu.diagnostics[0].fixits[0].value == '.f0 = '