PP: Rationalize return values of MacroExpand.

This results in better error recovery, including fewer crashes on badly formed PP input.
2018-07-02 13:47:31 -06:00
parent 9cc81de096
commit 802c62bca4
8 changed files with 78 additions and 32 deletions
--- a/gtests/Pp.FromFile.cpp
+++ b/gtests/Pp.FromFile.cpp
@@ -50,6 +50,7 @@ TEST_P(PreprocessingTest, FromFile)
 INSTANTIATE_TEST_CASE_P(
    Glsl, PreprocessingTest,
    ::testing::ValuesIn(std::vector<std::string>({
+        "preprocessor.bad_arg.vert",
        "preprocessor.cpp_style_line_directive.vert",
        "preprocessor.cpp_style___FILE__.vert",
        "preprocessor.edge_cases.vert",