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Only print backtrace if frames are detected

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This commit is contained in:
losfair 2019-07-01 21:12:19 +08:00
parent 614b3b9918
commit adada7e751
1 changed files with 10 additions and 7 deletions
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17
lib/runtime-core/src/alternative_stack.rs
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@ -230,13 +230,16 @@ extern "C" fn signal_trap_handler(
unwind_result = Box::new(image);
} else {
use colored::*;
eprintln!(
"\n{}",
"Wasmer encountered an error while running your WebAssembly program."
.bold()
.red()
);
es_image.print_backtrace_if_needed();
if es_image.frames.len() > 0 {
eprintln!(
"\n{}",
"Wasmer encountered an error while running your WebAssembly program."
.bold()
.red()
);
es_image.print_backtrace_if_needed();
}
// Just let the error propagate otherrwise
}
true