xaiger: update help text
[yosys.git] / kernel / log.cc
index c5ba0d10d8dee003c50cb0ae949c045be8581bf3..a21ba480a6d6313fe6c0d1c743aba664d9d09770 100644 (file)
@@ -41,9 +41,12 @@ YOSYS_NAMESPACE_BEGIN
 std::vector<FILE*> log_files;
 std::vector<std::ostream*> log_streams;
 std::map<std::string, std::set<std::string>> log_hdump;
-std::vector<std::regex> log_warn_regexes, log_nowarn_regexes, log_werror_regexes;
-std::set<std::string> log_warnings;
+std::vector<YS_REGEX_TYPE> log_warn_regexes, log_nowarn_regexes, log_werror_regexes;
+std::vector<std::pair<YS_REGEX_TYPE,LogExpectedItem>> log_expect_log, log_expect_warning, log_expect_error;
+std::set<std::string> log_warnings, log_experimentals, log_experimentals_ignored;
 int log_warnings_count = 0;
+int log_warnings_count_noexpect = 0;
+bool log_expect_no_warnings = false;
 bool log_hdump_all = false;
 FILE *log_errfile = NULL;
 SHA1 *log_hasher = NULL;
@@ -68,6 +71,8 @@ int string_buf_index = -1;
 static struct timeval initial_tv = { 0, 0 };
 static bool next_print_log = false;
 static int log_newline_count = 0;
+static bool check_expected_logs = true;
+static bool display_error_log_msg = true;
 
 static void log_id_cache_clear()
 {
@@ -162,7 +167,7 @@ void logv(const char *format, va_list ap)
        {
                log_warn_regex_recusion_guard = true;
 
-               if (log_warn_regexes.empty())
+               if (log_warn_regexes.empty() && log_expect_log.empty())
                {
                        linebuffer.clear();
                }
@@ -172,8 +177,13 @@ void logv(const char *format, va_list ap)
 
                        if (!linebuffer.empty() && linebuffer.back() == '\n') {
                                for (auto &re : log_warn_regexes)
-                                       if (std::regex_search(linebuffer, re))
+                                       if (YS_REGEX_NS::regex_search(linebuffer, re))
                                                log_warning("Found log message matching -W regex:\n%s", str.c_str());
+
+                               for (auto &item : log_expect_log)
+                                       if (YS_REGEX_NS::regex_search(linebuffer, item.first))
+                                               item.second.current_count++;
+
                                linebuffer.clear();
                        }
                }
@@ -228,7 +238,7 @@ static void logv_warning_with_prefix(const char *prefix,
        bool suppressed = false;
 
        for (auto &re : log_nowarn_regexes)
-               if (std::regex_search(message, re))
+               if (YS_REGEX_NS::regex_search(message, re))
                        suppressed = true;
 
        if (suppressed)
@@ -241,9 +251,16 @@ static void logv_warning_with_prefix(const char *prefix,
                log_make_debug = 0;
 
                for (auto &re : log_werror_regexes)
-                       if (std::regex_search(message, re))
+                       if (YS_REGEX_NS::regex_search(message, re))
                                log_error("%s",  message.c_str());
 
+               bool warning_match = false;
+               for (auto &item : log_expect_warning)
+                       if (YS_REGEX_NS::regex_search(message, item.first)) {
+                               item.second.current_count++;
+                               warning_match = true;
+                       }
+
                if (log_warnings.count(message))
                {
                        log("%s%s", prefix, message.c_str());
@@ -263,6 +280,8 @@ static void logv_warning_with_prefix(const char *prefix,
                        log_warnings.insert(message);
                }
 
+               if (!warning_match)
+                       log_warnings_count_noexpect++;
                log_warnings_count++;
                log_make_debug = bak_log_make_debug;
        }
@@ -320,7 +339,8 @@ static void logv_error_with_prefix(const char *prefix,
                                f = stderr;
 
        log_last_error = vstringf(format, ap);
-       log("%s%s", prefix, log_last_error.c_str());
+       if (display_error_log_msg)
+               log("%s%s", prefix, log_last_error.c_str());
        log_flush();
 
        log_make_debug = bak_log_make_debug;
@@ -328,6 +348,15 @@ static void logv_error_with_prefix(const char *prefix,
        if (log_error_atexit)
                log_error_atexit();
 
+       for (auto &item : log_expect_error)
+               if (YS_REGEX_NS::regex_search(log_last_error, item.first))
+                       item.second.current_count++;
+
+       if (check_expected_logs)
+               log_check_expected();
+
+       YS_DEBUGTRAP_IF_DEBUGGING;
+
 #ifdef EMSCRIPTEN
        log_files = backup_log_files;
        throw 0;
@@ -377,6 +406,19 @@ void log_warning(const char *format, ...)
        va_end(ap);
 }
 
+void log_experimental(const char *format, ...)
+{
+       va_list ap;
+       va_start(ap, format);
+       string s = vstringf(format, ap);
+       va_end(ap);
+
+       if (log_experimentals_ignored.count(s) == 0 && log_experimentals.count(s) == 0) {
+               log_warning("Feature '%s' is experimental.\n", s.c_str());
+               log_experimentals.insert(s);
+       }
+}
+
 void log_warning_noprefix(const char *format, ...)
 {
        va_list ap;
@@ -623,6 +665,52 @@ void log_wire(RTLIL::Wire *wire, std::string indent)
        log("%s", buf.str().c_str());
 }
 
+void log_check_expected()
+{
+       check_expected_logs = false;
+
+       for (auto &item : log_expect_warning) {
+               if (item.second.current_count == 0) {
+                       log_warn_regexes.clear();
+                       log_error("Expected warning pattern '%s' not found !\n", item.second.pattern.c_str());
+               }
+               if (item.second.current_count != item.second.expected_count) {
+                       log_warn_regexes.clear();
+                       log_error("Expected warning pattern '%s' found %d time(s), instead of %d time(s) !\n",
+                               item.second.pattern.c_str(), item.second.current_count, item.second.expected_count);
+               }
+       }
+
+       for (auto &item : log_expect_log) {
+               if (item.second.current_count == 0) {
+                       log_warn_regexes.clear();
+                       log_error("Expected log pattern '%s' not found !\n", item.second.pattern.c_str());
+               }
+               if (item.second.current_count != item.second.expected_count) {
+                       log_warn_regexes.clear();
+                       log_error("Expected log pattern '%s' found %d time(s), instead of %d time(s) !\n",
+                               item.second.pattern.c_str(), item.second.current_count, item.second.expected_count);
+               }
+       }
+
+       for (auto &item : log_expect_error)
+               if (item.second.current_count == item.second.expected_count) {
+                       log_warn_regexes.clear();
+                       log("Expected error pattern '%s' found !!!\n", item.second.pattern.c_str());
+                       #ifdef EMSCRIPTEN
+                               throw 0;
+                       #elif defined(_MSC_VER)
+                               _exit(0);
+                       #else
+                               _Exit(0);
+                       #endif
+               } else {
+                       display_error_log_msg = false;
+                       log_warn_regexes.clear();
+                       log_error("Expected error pattern '%s' not found !\n", item.second.pattern.c_str());
+               }
+}
+
 // ---------------------------------------------------
 // This is the magic behind the code coverage counters
 // ---------------------------------------------------