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fix(core): don't panic on invalid arguments for Deno.core.print (#9834)

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Andrew Mitchell 2021-03-21 08:52:28 -04:00 committed by GitHub
parent dd12a668e7
commit c00872c0c0
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1 changed files with 7 additions and 4 deletions
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11
core/bindings.rs
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@ -315,16 +315,19 @@ fn print(
_rv: v8::ReturnValue,
) {
let arg_len = args.length();
assert!((0..=2).contains(&arg_len));
if !(0..=2).contains(&arg_len) {
return throw_type_error(scope, "Expected a maximum of 2 arguments.");
}
let obj = args.get(0);
let is_err_arg = args.get(1);
let mut is_err = false;
if arg_len == 2 {
let int_val = is_err_arg
.integer_value(scope)
.expect("Unable to convert to integer");
let int_val = match is_err_arg.integer_value(scope) {
Some(v) => v,
None => return throw_type_error(scope, "Invalid arugment. Argument 2 should indicate wheter or not to print to stderr."),
};
is_err = int_val != 0;
};
let tc_scope = &mut v8::TryCatch::new(scope);