SDC: Add period and waveform format error checks
Signed-off-by: Tomasz Michalak <tmichalak@antmicro.com>
diff --git a/sdc-plugin/clocks.cc b/sdc-plugin/clocks.cc
index 5ac2819..cd2b5f2 100644
--- a/sdc-plugin/clocks.cc
+++ b/sdc-plugin/clocks.cc
@@ -54,8 +54,13 @@
"Period has not been specified\n Default value 0 will be used\n");
return 0;
}
- return std::stof(
- clock_wire->get_string_attribute(RTLIL::escape_id("PERIOD")));
+ float period(0);
+ try {
+ period = std::stof(clock_wire->get_string_attribute(RTLIL::escape_id("PERIOD")));
+ } catch (const std::invalid_argument& e) {
+ log_cmd_error("Incorrect PERIOD format\n");
+ }
+ return period;
}
std::pair<float, float> Clock::Waveform(RTLIL::Wire* clock_wire) {
@@ -78,7 +83,9 @@
float falling_edge(0);
std::string waveform(
clock_wire->get_string_attribute(RTLIL::escape_id("WAVEFORM")));
- std::sscanf(waveform.c_str(), "%f %f", &rising_edge, &falling_edge);
+ if (std::sscanf(waveform.c_str(), "%f %f", &rising_edge, &falling_edge) != 2) {
+ log_cmd_error("Incorrect WAVEFORM format\n");
+ }
return std::make_pair(rising_edge, falling_edge);
}
