/* ToString() on a value */ const char *jsV_tostring(js_State *J, js_Value *v) { char buf[32]; const char *p; switch (v->type) { default: case JS_TSHRSTR: return v->u.shrstr; case JS_TUNDEFINED: return "undefined"; case JS_TNULL: return "null"; case JS_TBOOLEAN: return v->u.boolean ? "true" : "false"; case JS_TLITSTR: return v->u.litstr; case JS_TMEMSTR: return v->u.memstr->p; case JS_TNUMBER: p = jsV_numbertostring(J, buf, v->u.number); if (p == buf) { unsigned int n = strlen(p); if (n <= offsetof(js_Value, type)) { char *s = v->u.shrstr; while (n--) *s++ = *p++; *s = 0; v->type = JS_TSHRSTR; return v->u.shrstr; } else { v->type = JS_TMEMSTR; v->u.memstr = jsV_newmemstring(J, p, n); return v->u.memstr->p; } } return p; case JS_TOBJECT: jsV_toprimitive(J, v, JS_HSTRING); return jsV_tostring(J, v); } }
void js_pushlstring(js_State *J, const char *v, unsigned int n) { CHECKSTACK(1); if (n <= offsetof(js_Value, type)) { char *s = STACK[TOP].u.shrstr; while (n--) *s++ = *v++; *s = 0; STACK[TOP].type = JS_TSHRSTR; } else { STACK[TOP].type = JS_TMEMSTR; STACK[TOP].u.memstr = jsV_newmemstring(J, v, n); } ++TOP; }