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Not part of build, for the js testsuite only: add clone shell function to clone a function object (for 127557 regression testing, a=shaver).

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brendan%mozilla.org 2002-03-06 04:45:32 +00:00
parent 549d3562ad
commit 4047cc7888
1 changed files with 39 additions and 14 deletions
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53
js/src/js.c
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@ -1414,6 +1414,29 @@ Intern(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
return JS_TRUE;
}
static JSBool
Clone(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
JSFunction *fun;
JSObject *funobj, *parent, *clone;
fun = JS_ValueToFunction(cx, argv[0]);
if (!fun)
return JS_FALSE;
funobj = JS_GetFunctionObject(fun);
if (argc > 1) {
if (!JS_ValueToObject(cx, argv[1], &parent))
return JS_FALSE;
} else {
parent = JS_GetParent(cx, funobj);
}
clone = JS_CloneFunctionObject(cx, funobj, parent);
if (!clone)
return JS_FALSE;
*rval = OBJECT_TO_JSVAL(clone);
return JS_TRUE;
}
static JSFunctionSpec shell_functions[] = {
{"version", Version, 0},
{"options", Options, 0},
@ -1434,7 +1457,7 @@ static JSFunctionSpec shell_functions[] = {
{"stats", DumpStats, 1},
#endif
#ifdef TEST_EXPORT
{"doexp", DoExport, 2},
{"xport", DoExport, 2},
#endif
#ifdef TEST_CVTARGS
{"cvtargs", ConvertArgs, 0, 0, 12},
@ -1442,6 +1465,7 @@ static JSFunctionSpec shell_functions[] = {
{"build", BuildDate, 0},
{"clear", Clear, 0},
{"intern", Intern, 1},
{"clone", Clone, 1},
{0}
};
@ -1451,14 +1475,14 @@ static char *shell_help_messages[] = {
"version([number]) Get or set JavaScript version number",
"options([option ...]) Get or toggle JavaScript options",
"load(['foo.js' ...]) Load files named by string arguments",
"print([expr ...]) Evaluate and print expressions",
"print([exp ...]) Evaluate and print expressions",
"help([name ...]) Display usage and help messages",
"quit() Quit the shell",
"gc() Run the garbage collector",
"trap([fun] [pc] expr) Trap bytecode execution",
"untrap([fun] [pc]) Remove a trap",
"line2pc([fun] line) Map line number to PC",
"pc2line([fun] [pc]) Map PC to line number",
"trap([fun, [pc,]] exp) Trap bytecode execution",
"untrap(fun[, pc]) Remove a trap",
"line2pc([fun,] line) Map line number to PC",
"pc2line(fun[, pc]) Map PC to line number",
#ifdef DEBUG
"dis([fun]) Disassemble functions into bytecodes",
"dissrc([fun]) Disassemble functions with source lines",
@ -1467,7 +1491,7 @@ static char *shell_help_messages[] = {
"stats([string ...]) Dump 'arena', 'atom', 'global' stats",
#endif
#ifdef TEST_EXPORT
"doexp(obj, id) Export identified property from object",
"xport(obj, id) Export identified property from object",
#endif
#ifdef TEST_CVTARGS
"cvtargs(b, c, ...) Test JS_ConvertArguments",
@ -1475,6 +1499,7 @@ static char *shell_help_messages[] = {
"build() Show build date and time",
"clear([obj]) Clear properties of object",
"intern(str) Internalize str in the atom table",
"clone(fun[, scope]) Clone function object",
0
};
@ -1554,12 +1579,12 @@ enum its_tinyid {
};
static JSPropertySpec its_props[] = {
{"color", ITS_COLOR, JSPROP_ENUMERATE},
{"height", ITS_HEIGHT, JSPROP_ENUMERATE},
{"width", ITS_WIDTH, JSPROP_ENUMERATE},
{"funny", ITS_FUNNY, JSPROP_ENUMERATE},
{"array", ITS_ARRAY, JSPROP_ENUMERATE},
{"rdonly", ITS_RDONLY, JSPROP_READONLY},
{"color", ITS_COLOR, JSPROP_ENUMERATE},
{"height", ITS_HEIGHT, JSPROP_ENUMERATE},
{"width", ITS_WIDTH, JSPROP_ENUMERATE},
{"funny", ITS_FUNNY, JSPROP_ENUMERATE},
{"array", ITS_ARRAY, JSPROP_ENUMERATE},
{"rdonly", ITS_RDONLY, JSPROP_READONLY},
{0}
};
@ -1860,7 +1885,7 @@ Exec(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
exit(127);
default:
while (waitpid(pid, &status, 0) < 0 && errno == EINTR)
;
continue;
break;
}
JS_free(cx, nargv);