shithub: libmujs

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Handle try stack errors like stack overflow errors.

Don't create a new object, because that may cause a cascade of
other errors since we're at the limit.

--- a/jsrun.c

+++ b/jsrun.c

@@ -13,6 +13,14 @@

 #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 @@

 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_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;