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Add (crude) workaround for _DEBUGGER_STEP_INTO #line in MSVC

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Fixes #46.
This commit is contained in:
Jonathan Müller 2018-03-19 21:41:28 +01:00
commit 2004780ea6
1 changed files with 13 additions and 4 deletions
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17
src/libclang/preprocessor.cpp
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@ -88,7 +88,8 @@ namespace
}
// parse and log diagnostic
void log_diagnostic(const diagnostic_logger& logger, const std::string& msg)
// returns true if a diagnostic was logged due to a bug, but it is otherwise harmless
bool log_diagnostic(const diagnostic_logger& logger, const std::string& msg)
{
auto ptr = msg.c_str();
@ -104,7 +105,13 @@ namespace
while (*ptr && *ptr != '\n')
message.push_back(*ptr++);
// see https://github.com/foonathan/cppast/issues/46
auto harmless_diag =
message.find("invalid filename for #line directive") != std::string::npos;
logger.log("preprocessor", diagnostic{std::move(message), std::move(loc), sev});
return harmless_diag;
}
// parses missing header file diagnostic and returns the file name,
@ -349,6 +356,8 @@ namespace
std::string write_macro_file(const libclang_compile_config& c, const std::string& full_path,
const diagnostic_logger& logger)
{
auto expect_bad_exit_code = false;
std::string diagnostic;
auto diagnostic_logger = [&](const char* str, std::size_t n) {
diagnostic.reserve(diagnostic.size() + n);
@ -358,7 +367,7 @@ namespace
else if (*str == '\n')
{
// consume current diagnostic
log_diagnostic(logger, diagnostic);
expect_bad_exit_code |= log_diagnostic(logger, diagnostic);
diagnostic.clear();
}
else
@ -381,7 +390,7 @@ namespace
auto exit_code = process.get_exit_status();
DEBUG_ASSERT(diagnostic.empty(), detail::assert_handler{});
if (exit_code != 0)
if (exit_code != 0 && !expect_bad_exit_code)
throw libclang_error("preprocessor (macro): command '" + cmd
+ "' exited with non-zero exit code (" + std::to_string(exit_code)
+ ")");
@ -423,7 +432,7 @@ namespace
expect_bad_exit_code = true;
}
else
log_diagnostic(logger, diagnostic);
expect_bad_exit_code |= log_diagnostic(logger, diagnostic);
diagnostic.clear();
}