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Handle try stack errors like stack overflow errors.

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Don't create a new object, because that may cause a cascade of
other errors since we're at the limit.
This commit is contained in:
Tor Andersson
2021-07-23 11:42:35 +02:00
parent 2a1804ea26
commit a9d88e54af
1 changed files with 10 additions and 2 deletions
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12
jsrun.c
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@@ -13,6 +13,14 @@ static void jsR_run(js_State *J, js_Function *F);
#define TOP (J->top)
#define BOT (J->bot)
static void js_trystackoverflow(js_State *J)
{
STACK[TOP].type = JS_TLITSTR;
STACK[TOP].u.litstr = "try stack overflow";
++TOP;
js_throw(J);
}
static void js_stackoverflow(js_State *J)
{
STACK[TOP].type = JS_TLITSTR;
@@ -1226,7 +1234,7 @@ int js_pcall(js_State *J, int n)
void *js_savetrypc(js_State *J, js_Instruction *pc)
{
if (J->trytop == JS_TRYLIMIT)
js_error(J, "try: exception stack overflow");
js_trystackoverflow(J);
J->trybuf[J->trytop].E = J->E;
J->trybuf[J->trytop].envtop = J->envtop;
J->trybuf[J->trytop].tracetop = J->tracetop;
@@ -1240,7 +1248,7 @@ void *js_savetrypc(js_State *J, js_Instruction *pc)
void *js_savetry(js_State *J)
{
if (J->trytop == JS_TRYLIMIT)
js_error(J, "try: exception stack overflow");
js_trystackoverflow(J);
J->trybuf[J->trytop].E = J->E;
J->trybuf[J->trytop].envtop = J->envtop;
J->trybuf[J->trytop].tracetop = J->tracetop;