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Code Issues Releases Wiki Activity

Add try/catch to FunC (#560)

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* Add try-catch

* Fix 'return' bugs

* Update tests

* Fix 'SETCONTVARARGS' bug

* Fix 'SETCONTVARARGS' bug again

* Check deep stack

* Add throw_arg

Co-authored-by: legaii <jgates.ardux@gmail.com>
This commit is contained in:
EmelyanenkoK 2022-12-22 15:26:39 +03:00 • committed by GitHub
parent dd9cdba587
commit e1be988df5
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8 changed files with 365 additions and 0 deletions
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7
crypto/func/func.h
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@ -53,6 +53,8 @@ enum Keyword {
_Do,
_While,
_Until,
_Try,
_Catch,
_If,
_Ifnot,
_Then,
@ -537,6 +539,7 @@ struct Op {
_Until,
_Repeat,
_Again,
_TryCatch,
_SliceConst
};
int cl;
@ -1559,6 +1562,9 @@ struct Stack {
int find_outside(var_idx_t var, int from, int to) const;
void forget_const();
void validate(int i) const {
if (i > 255) {
throw src::Fatal{"Too deep stack"};
}
assert(i >= 0 && i < depth() && "invalid stack reference");
}
void modified() {
@ -1593,6 +1599,7 @@ struct Stack {
void apply_wrappers() {
if (o.retalt_) {
o.insert(0, "SAMEALTSAVE");
o.insert(0, "c2 SAVE");
if (mode & _InlineFunc) {
o.indent_all();
o.insert(0, "CONT:<{");