static void Ap_filter(js_State *J) { int hasthis = js_gettop(J) >= 3; int k, to, len; if (!js_iscallable(J, 1)) js_typeerror(J, "callback is not a function"); js_newarray(J); to = 0; len = js_getlength(J, 0); for (k = 0; k < len; ++k) { if (js_hasindex(J, 0, k)) { js_copy(J, 1); if (hasthis) js_copy(J, 2); else js_pushundefined(J); js_copy(J, -3); js_pushnumber(J, k); js_copy(J, 0); js_call(J, 3); if (js_toboolean(J, -1)) { js_pop(J, 1); js_setindex(J, -2, to++); } else { js_pop(J, 2); } } } }
static void Ap_forEach(js_State *J) { int hasthis = js_gettop(J) >= 3; int k, len; if (!js_iscallable(J, 1)) js_typeerror(J, "callback is not a function"); len = js_getlength(J, 0); for (k = 0; k < len; ++k) { if (js_hasindex(J, 0, k)) { js_copy(J, 1); if (hasthis) js_copy(J, 2); else js_pushundefined(J); js_copy(J, -3); js_pushnumber(J, k); js_copy(J, 0); js_call(J, 3); js_pop(J, 2); } } js_pushundefined(J); }
static int jsR_hasproperty(js_State *J, js_Object *obj, const char *name) { js_Property *ref; unsigned int k; if (obj->type == JS_CARRAY) { if (!strcmp(name, "length")) { js_pushnumber(J, obj->u.a.length); return 1; } } if (obj->type == JS_CSTRING) { if (!strcmp(name, "length")) { js_pushnumber(J, obj->u.s.length); return 1; } if (js_isarrayindex(J, name, &k)) { js_pushrune(J, js_runeat(J, obj->u.s.string, k)); return 1; } } if (obj->type == JS_CREGEXP) { if (!strcmp(name, "source")) { js_pushliteral(J, obj->u.r.source); return 1; } if (!strcmp(name, "global")) { js_pushboolean(J, obj->u.r.flags & JS_REGEXP_G); return 1; } if (!strcmp(name, "ignoreCase")) { js_pushboolean(J, obj->u.r.flags & JS_REGEXP_I); return 1; } if (!strcmp(name, "multiline")) { js_pushboolean(J, obj->u.r.flags & JS_REGEXP_M); return 1; } if (!strcmp(name, "lastIndex")) { js_pushnumber(J, obj->u.r.last); return 1; } } ref = jsV_getproperty(J, obj, name); if (ref) { if (ref->getter) { js_pushobject(J, ref->getter); js_pushobject(J, obj); js_call(J, 0); } else { js_pushvalue(J, ref->value); } return 1; } return 0; }
static void js_setvar(js_State *J, const char *name) { js_Environment *E = J->E; do { js_Property *ref = jsV_getproperty(J, E->variables, name); if (ref) { if (ref->setter) { js_pushobject(J, ref->setter); js_pushobject(J, E->variables); js_copy(J, -3); js_call(J, 1); js_pop(J, 1); return; } if (!(ref->atts & JS_READONLY)) ref->value = *stackidx(J, -1); else if (J->strict) js_typeerror(J, "'%s' is read-only", name); return; } E = E->outer; } while (E); if (J->strict) js_referenceerror(J, "assignment to undeclared variable '%s'", name); jsR_setproperty(J, J->G, name, stackidx(J, -1)); }
static int compare(js_State *J, unsigned int x, unsigned int y, int *hasx, int *hasy, int hasfn) { const char *sx, *sy; int c; *hasx = js_hasindex(J, 0, x); *hasy = js_hasindex(J, 0, y); if (*hasx && *hasy) { int unx = js_isundefined(J, -2); int uny = js_isundefined(J, -1); if (unx && uny) return 0; if (unx) return 1; if (uny) return -1; if (hasfn) { js_copy(J, 1); /* copy function */ js_pushundefinedthis(J); /* set this object */ js_copy(J, -4); /* copy x */ js_copy(J, -4); /* copy y */ js_call(J, 2); c = js_tonumber(J, -1); js_pop(J, 1); return c; } sx = js_tostring(J, -2); sy = js_tostring(J, -1); return strcmp(sx, sy); } if (*hasx) return -1; if (*hasy) return 1; return 0; }
static int sortcmp(const void *avoid, const void *bvoid) { const struct sortslot *aslot = avoid, *bslot = bvoid; const js_Value *a = &aslot->v, *b = &bslot->v; js_State *J = aslot->J; const char *sx, *sy; int c; int unx = (a->type == JS_TUNDEFINED); int uny = (b->type == JS_TUNDEFINED); if (unx) return !uny; if (uny) return -1; if (js_iscallable(J, 1)) { js_copy(J, 1); /* copy function */ js_pushundefined(J); js_pushvalue(J, *a); js_pushvalue(J, *b); js_call(J, 2); c = js_tonumber(J, -1); js_pop(J, 1); } else { js_pushvalue(J, *a); js_pushvalue(J, *b); sx = js_tostring(J, -2); sy = js_tostring(J, -1); c = strcmp(sx, sy); js_pop(J, 2); } return c; }
int js_pcall(js_State *J, int n) { if (js_try(J)) return 1; js_call(J, n); js_endtry(J); return 0; }
static void Sp_replace_string(js_State *J) { const char *source, *needle, *s, *r; js_Buffer *sb = NULL; int n; source = js_tostring(J, 0); needle = js_tostring(J, 1); s = strstr(source, needle); if (!s) { js_copy(J, 0); return; } n = strlen(needle); if (js_iscallable(J, 2)) { js_copy(J, 2); js_pushglobal(J); js_pushlstring(J, s, n); /* arg 1: substring that matched */ js_pushnumber(J, s - source); /* arg 2: offset within search string */ js_copy(J, 0); /* arg 3: search string */ js_call(J, 3); r = js_tostring(J, -1); js_putm(J, &sb, source, s); js_puts(J, &sb, r); js_puts(J, &sb, s + n); js_putc(J, &sb, 0); js_pop(J, 1); } else { r = js_tostring(J, 2); js_putm(J, &sb, source, s); while (*r) { if (*r == '$') { switch (*(++r)) { case '$': js_putc(J, &sb, '$'); break; case '&': js_putm(J, &sb, s, s + n); break; case '`': js_putm(J, &sb, source, s); break; case '\'': js_puts(J, &sb, s + n); break; default: js_putc(J, &sb, '$'); js_putc(J, &sb, *r); break; } ++r; } else { js_putc(J, &sb, *r++); } } js_puts(J, &sb, s + n); js_putc(J, &sb, 0); } if (js_try(J)) { js_free(J, sb); js_throw(J); } js_pushstring(J, sb ? sb->s : ""); js_endtry(J); js_free(J, sb); }
void js_eval(js_State *J) { if (!js_isstring(J, -1)) return; js_loadeval(J, "(eval)", js_tostring(J, -1)); js_rot2pop1(J); js_copy(J, 0); /* copy 'this' */ js_call(J, 0); }
static void jsB_eval(js_State *J) { if (!js_isstring(J, -1)) { js_copy(J, 1); return; } js_loadstring(J, "(eval)", js_tostring(J, -1)); js_pushglobal(J); js_call(J, 0); }
static VAL js_object_base_default_value(js_value_t* obj, js_type_t preferred_type) { VAL fn, ret, this = js_value_make_pointer(obj); if(!preferred_type) { preferred_type = JS_T_NUMBER; } if(preferred_type == JS_T_STRING) { fn = js_object_get(this, js_cstring("toString")); if(js_value_get_type(fn) == JS_T_FUNCTION) { ret = js_call(fn, this, 0, NULL); if(js_value_is_primitive(ret)) { return ret; } } fn = js_object_get(this, js_cstring("valueOf")); if(js_value_get_type(fn) == JS_T_FUNCTION) { ret = js_call(fn, this, 0, NULL); if(js_value_is_primitive(ret)) { return ret; } } // @TODO throw exception js_panic("could not convert object to string"); } else if(preferred_type == JS_T_NUMBER) { fn = js_object_get(this, js_cstring("valueOf")); if(js_value_get_type(fn) == JS_T_FUNCTION) { ret = js_call(fn, this, 0, NULL); if(js_value_is_primitive(ret)) { return ret; } } fn = js_object_get(this, js_cstring("toString")); if(js_value_get_type(fn) == JS_T_FUNCTION) { ret = js_call(fn, this, 0, NULL); if(js_value_is_primitive(ret)) { return ret; } } // @TODO throw exception js_panic("could not convert object to string"); } js_panic("could not convert object to string"); }
static void jsB_load(js_State *J) { int i, n = js_gettop(J); for (i = 1; i < n; ++i) { js_loadfile(J, js_tostring(J, i)); js_pushundefined(J); js_call(J, 0); js_pop(J, 1); } js_pushundefined(J); }
static void Fp_call(js_State *J) { unsigned int i, top = js_gettop(J); if (!js_iscallable(J, 0)) js_typeerror(J, "not a function"); for (i = 0; i < top; ++i) js_copy(J, i); js_call(J, top - 2); }
int js_dostring(js_State *J, const char *source) { if (js_try(J)) { fprintf(stderr, "%s\n", js_tostring(J, -1)); js_pop(J, 1); return 1; } js_loadstring(J, "[string]", source); js_pushglobal(J); js_call(J, 0); js_pop(J, 1); js_endtry(J); return 0; }
int js_dofile(js_State *J, const char *filename) { if (js_try(J)) { fprintf(stderr, "libjs: %s\n", js_tostring(J, -1)); js_pop(J, 1); return 1; } js_loadfile(J, filename); js_pushglobal(J); js_call(J, 0); js_pop(J, 1); js_endtry(J); return 0; }
void js_construct(js_State *J, int n) { js_Object *obj; js_Object *prototype; js_Object *newobj; if (!js_iscallable(J, -n-1)) js_typeerror(J, "called object is not a function"); obj = js_toobject(J, -n-1); /* built-in constructors create their own objects, give them a 'null' this */ if (obj->type == JS_CCFUNCTION && obj->u.c.constructor) { int savebot = BOT; js_pushnull(J); if (n > 0) js_rot(J, n + 1); BOT = TOP - n - 1; jsR_pushtrace(J, obj->u.c.name, "[C]", 0); jsR_callcfunction(J, n, obj->u.c.length, obj->u.c.constructor); --J->tracetop; BOT = savebot; return; } /* extract the function object's prototype property */ js_getproperty(J, -n - 1, "prototype"); if (js_isobject(J, -1)) prototype = js_toobject(J, -1); else prototype = J->Object_prototype; js_pop(J, 1); /* create a new object with above prototype, and shift it into the 'this' slot */ newobj = jsV_newobject(J, JS_COBJECT, prototype); js_pushobject(J, newobj); if (n > 0) js_rot(J, n + 1); /* call the function */ js_call(J, n); /* if result is not an object, return the original object we created */ if (!js_isobject(J, -1)) { js_pop(J, 1); js_pushobject(J, newobj); } }
/* obj.valueOf() */ static int jsV_valueOf(js_State *J, js_Object *obj) { js_pushobject(J, obj); js_getproperty(J, -1, "valueOf"); if (js_iscallable(J, -1)) { js_rot2(J); js_call(J, 0); if (js_isprimitive(J, -1)) return 1; js_pop(J, 1); return 0; } js_pop(J, 2); return 0; }
int js_dostring(js_State *J, const char *source, int report) { if (js_try(J)) { fprintf(stderr, "libjs: %s\n", js_tostring(J, -1)); js_pop(J, 1); return 1; } js_loadstring(J, "(string)", source); js_pushglobal(J); js_call(J, 0); if (report) printf("%s\n", js_tostring(J, -1)); js_pop(J, 1); js_endtry(J); return 0; }
jsval call_js_handler(const char *cmd) { int i; char handler_name[9]; strcpy(handler_name, "smtp"); handler_name[4] = toupper((unsigned char) cmd[0]); for (i = 5; i < 8; i++) { handler_name[i] = tolower((unsigned char) cmd[i - 4]); } handler_name[8] = '\0'; return js_call("smtpServer", handler_name, JSVAL_NULL); }
static void Fp_apply(js_State *J) { int i, n; if (!js_iscallable(J, 0)) js_typeerror(J, "not a function"); js_copy(J, 0); js_copy(J, 1); n = js_getlength(J, 2); for (i = 0; i < n; ++i) js_getindex(J, 2, i); js_call(J, n); }
jsval call_js_handler_with_arg(const char *cmd, char *arg) { int i; char handler_name[9]; strcpy(handler_name, "smtp"); handler_name[4] = toupper((unsigned char) cmd[0]); for (i = 5; i < 8; i++) { handler_name[i] = tolower((unsigned char) cmd[i - 4]); } handler_name[8] = '\0'; jsval js_arg = STRING_TO_JSVAL(JS_InternString(js_context, arg)); return js_call("smtpServer", handler_name, js_arg, JSVAL_NULL); }
static int js_hasvar(js_State *J, const char *name) { js_Environment *E = J->E; do { js_Property *ref = jsV_getproperty(J, E->variables, name); if (ref) { if (ref->getter) { js_pushobject(J, ref->getter); js_pushobject(J, E->variables); js_call(J, 0); } else { js_pushvalue(J, ref->value); } return 1; } E = E->outer; } while (E); return 0; }
static VAL js_object_base_get(js_value_t* obj, js_string_t* prop) { js_property_descriptor_t* descr = NULL; js_value_t* this = obj; while(!st_lookup(obj->object.properties, (st_data_t)prop, (st_data_t*)&descr)) { /* if not in object, look in prototype */ if(js_value_is_primitive(obj->object.prototype)) { /* do not attempt if prototype is primitive */ return js_value_undefined(); } obj = js_value_get_pointer(obj->object.prototype); } if(!descr->is_accessor) { return descr->data.value; } else { if(js_value_get_type(descr->accessor.get) == JS_T_FUNCTION) { return js_call(descr->accessor.get, js_value_make_pointer(this), 0, NULL); } return js_value_undefined(); } }
static void Ap_reduceRight(js_State *J) { int hasinitial = js_gettop(J) >= 3; int k, len; if (!js_iscallable(J, 1)) js_typeerror(J, "callback is not a function"); len = js_getlength(J, 0); k = len - 1; if (len == 0 && !hasinitial) js_typeerror(J, "no initial value"); /* initial value of accumulator */ if (hasinitial) js_copy(J, 2); else { while (k >= 0) if (js_hasindex(J, 0, k--)) break; if (k < 0) js_typeerror(J, "no initial value"); } while (k >= 0) { if (js_hasindex(J, 0, k)) { js_copy(J, 1); js_pushundefined(J); js_rot(J, 4); /* accumulator on top */ js_rot(J, 4); /* property on top */ js_pushnumber(J, k); js_copy(J, 0); js_call(J, 4); /* calculate new accumulator */ } --k; } /* return accumulator */ }
static void callbound(js_State *J) { unsigned int top = js_gettop(J); unsigned int i, fun, args, n; fun = js_gettop(J); js_currentfunction(J); js_getproperty(J, fun, "__TargetFunction__"); js_getproperty(J, fun, "__BoundThis__"); args = js_gettop(J); js_getproperty(J, fun, "__BoundArguments__"); n = js_getlength(J, args); for (i = 0; i < n; ++i) js_getindex(J, args, i); js_remove(J, args); for (i = 1; i < top; ++i) js_copy(J, i); js_call(J, n + top - 1); }
static void js_object_base_put(js_value_t* obj, js_string_t* prop, VAL value) { js_property_descriptor_t* descr = NULL; if(st_lookup(obj->object.properties, (st_data_t)prop, (st_data_t*)&descr)) { if(!descr->is_accessor) { if(descr->data.writable) { descr->data.value = value; } } else { if(js_value_get_type(descr->accessor.set) == JS_T_FUNCTION) { js_call(descr->accessor.set, js_value_make_pointer(obj), 1, &value); } } return; } descr = js_alloc(sizeof(js_property_descriptor_t)); descr->is_accessor = false; descr->enumerable = true; descr->configurable = true; descr->data.value = value; descr->data.writable = true; st_insert(obj->object.properties, (st_data_t)prop, (st_data_t)descr); }
static void Sp_replace_regexp(js_State *J) { js_Regexp *re; const char *source, *s, *r; js_Buffer *sb = NULL; unsigned int n, x; Resub m; source = js_tostring(J, 0); re = js_toregexp(J, 1); if (js_regexec(re->prog, source, &m, 0)) { js_copy(J, 0); return; } re->last = 0; loop: s = m.sub[0].sp; n = m.sub[0].ep - m.sub[0].sp; if (js_iscallable(J, 2)) { js_copy(J, 2); js_pushglobal(J); for (x = 0; m.sub[x].sp; ++x) /* arg 0..x: substring and subexps that matched */ js_pushlstring(J, m.sub[x].sp, m.sub[x].ep - m.sub[x].sp); js_pushnumber(J, s - source); /* arg x+2: offset within search string */ js_copy(J, 0); /* arg x+3: search string */ js_call(J, 2 + x); r = js_tostring(J, -1); js_putm(J, &sb, source, s); js_puts(J, &sb, r); js_pop(J, 1); } else { r = js_tostring(J, 2); js_putm(J, &sb, source, s); while (*r) { if (*r == '$') { switch (*(++r)) { case '$': js_putc(J, &sb, '$'); break; case '`': js_putm(J, &sb, source, s); break; case '\'': js_puts(J, &sb, s + n); break; case '&': js_putm(J, &sb, s, s + n); break; case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': x = *r - '0'; if (r[1] >= '0' && r[1] <= '9') x = x * 10 + *(++r) - '0'; if (x > 0 && x < m.nsub) { js_putm(J, &sb, m.sub[x].sp, m.sub[x].ep); } else { js_putc(J, &sb, '$'); if (x > 10) { js_putc(J, &sb, '0' + x / 10); js_putc(J, &sb, '0' + x % 10); } else { js_putc(J, &sb, '0' + x); } } break; default: js_putc(J, &sb, '$'); js_putc(J, &sb, *r); break; } ++r; } else { js_putc(J, &sb, *r++); } } } if (re->flags & JS_REGEXP_G) { source = m.sub[0].ep; if (n == 0) { if (*source) js_putc(J, &sb, *source++); else goto end; } if (!js_regexec(re->prog, source, &m, REG_NOTBOL)) goto loop; } end: js_puts(J, &sb, s + n); js_putc(J, &sb, 0); if (js_try(J)) { js_free(J, sb); js_throw(J); } js_pushstring(J, sb ? sb->s : ""); js_endtry(J); js_free(J, sb); }
static void jsR_setproperty(js_State *J, js_Object *obj, const char *name, js_Value *value) { js_Property *ref; unsigned int k; int own; if (obj->type == JS_CARRAY) { if (!strcmp(name, "length")) { double rawlen = jsV_tonumber(J, value); unsigned int newlen = jsV_numbertouint32(rawlen); if (newlen != rawlen) js_rangeerror(J, "array length"); jsV_resizearray(J, obj, newlen); return; } if (js_isarrayindex(J, name, &k)) if (k >= obj->u.a.length) obj->u.a.length = k + 1; } if (obj->type == JS_CSTRING) { if (!strcmp(name, "length")) goto readonly; if (js_isarrayindex(J, name, &k)) if (js_runeat(J, obj->u.s.string, k)) goto readonly; } if (obj->type == JS_CREGEXP) { if (!strcmp(name, "source")) goto readonly; if (!strcmp(name, "global")) goto readonly; if (!strcmp(name, "ignoreCase")) goto readonly; if (!strcmp(name, "multiline")) goto readonly; if (!strcmp(name, "lastIndex")) { obj->u.r.last = jsV_tointeger(J, value); return; } } /* First try to find a setter in prototype chain */ ref = jsV_getpropertyx(J, obj, name, &own); if (ref && ref->setter) { js_pushobject(J, ref->setter); js_pushobject(J, obj); js_pushvalue(J, *value); js_call(J, 1); js_pop(J, 1); return; } /* Property not found on this object, so create one */ if (!ref || !own) ref = jsV_setproperty(J, obj, name); if (ref) { if (!(ref->atts & JS_READONLY)) ref->value = *value; else goto readonly; } return; readonly: if (J->strict) js_typeerror(J, "'%s' is read-only", name); }
static void jsR_run(js_State *J, js_Function *F) { js_Function **FT = F->funtab; double *NT = F->numtab; const char **ST = F->strtab; js_Instruction *pcstart = F->code; js_Instruction *pc = F->code; enum js_OpCode opcode; int offset; const char *str; js_Object *obj; double x, y; unsigned int ux, uy; int ix, iy, okay; int b; while (1) { if (J->gccounter > JS_GCLIMIT) { J->gccounter = 0; js_gc(J, 0); } opcode = *pc++; switch (opcode) { case OP_POP: js_pop(J, 1); break; case OP_DUP: js_dup(J); break; case OP_DUP2: js_dup2(J); break; case OP_ROT2: js_rot2(J); break; case OP_ROT3: js_rot3(J); break; case OP_ROT4: js_rot4(J); break; case OP_NUMBER_0: js_pushnumber(J, 0); break; case OP_NUMBER_1: js_pushnumber(J, 1); break; case OP_NUMBER_POS: js_pushnumber(J, *pc++); break; case OP_NUMBER_NEG: js_pushnumber(J, -(*pc++)); break; case OP_NUMBER: js_pushnumber(J, NT[*pc++]); break; case OP_STRING: js_pushliteral(J, ST[*pc++]); break; case OP_CLOSURE: js_newfunction(J, FT[*pc++], J->E); break; case OP_NEWOBJECT: js_newobject(J); break; case OP_NEWARRAY: js_newarray(J); break; case OP_NEWREGEXP: js_newregexp(J, ST[pc[0]], pc[1]); pc += 2; break; case OP_UNDEF: js_pushundefined(J); break; case OP_NULL: js_pushnull(J); break; case OP_TRUE: js_pushboolean(J, 1); break; case OP_FALSE: js_pushboolean(J, 0); break; case OP_THIS: js_copy(J, 0); break; case OP_GLOBAL: js_pushobject(J, J->G); break; case OP_CURRENT: js_currentfunction(J); break; case OP_INITLOCAL: STACK[BOT + *pc++] = STACK[--TOP]; break; case OP_GETLOCAL: CHECKSTACK(1); STACK[TOP++] = STACK[BOT + *pc++]; break; case OP_SETLOCAL: STACK[BOT + *pc++] = STACK[TOP-1]; break; case OP_DELLOCAL: ++pc; js_pushboolean(J, 0); break; case OP_INITVAR: js_initvar(J, ST[*pc++], -1); js_pop(J, 1); break; case OP_DEFVAR: js_defvar(J, ST[*pc++]); break; case OP_GETVAR: str = ST[*pc++]; if (!js_hasvar(J, str)) js_referenceerror(J, "'%s' is not defined", str); break; case OP_HASVAR: if (!js_hasvar(J, ST[*pc++])) js_pushundefined(J); break; case OP_SETVAR: js_setvar(J, ST[*pc++]); break; case OP_DELVAR: b = js_delvar(J, ST[*pc++]); js_pushboolean(J, b); break; case OP_IN: str = js_tostring(J, -2); if (!js_isobject(J, -1)) js_typeerror(J, "operand to 'in' is not an object"); b = js_hasproperty(J, -1, str); js_pop(J, 2 + b); js_pushboolean(J, b); break; case OP_INITPROP: obj = js_toobject(J, -3); str = js_tostring(J, -2); jsR_setproperty(J, obj, str, stackidx(J, -1)); js_pop(J, 2); break; case OP_INITGETTER: obj = js_toobject(J, -3); str = js_tostring(J, -2); jsR_defproperty(J, obj, str, 0, NULL, jsR_tofunction(J, -1), NULL); js_pop(J, 2); break; case OP_INITSETTER: obj = js_toobject(J, -3); str = js_tostring(J, -2); jsR_defproperty(J, obj, str, 0, NULL, NULL, jsR_tofunction(J, -1)); js_pop(J, 2); break; case OP_GETPROP: str = js_tostring(J, -1); obj = js_toobject(J, -2); jsR_getproperty(J, obj, str); js_rot3pop2(J); break; case OP_GETPROP_S: str = ST[*pc++]; obj = js_toobject(J, -1); jsR_getproperty(J, obj, str); js_rot2pop1(J); break; case OP_SETPROP: str = js_tostring(J, -2); obj = js_toobject(J, -3); jsR_setproperty(J, obj, str, stackidx(J, -1)); js_rot3pop2(J); break; case OP_SETPROP_S: str = ST[*pc++]; obj = js_toobject(J, -2); jsR_setproperty(J, obj, str, stackidx(J, -1)); js_rot2pop1(J); break; case OP_DELPROP: str = js_tostring(J, -1); obj = js_toobject(J, -2); b = jsR_delproperty(J, obj, str); js_pop(J, 2); js_pushboolean(J, b); break; case OP_DELPROP_S: str = ST[*pc++]; obj = js_toobject(J, -1); b = jsR_delproperty(J, obj, str); js_pop(J, 1); js_pushboolean(J, b); break; case OP_ITERATOR: if (!js_isundefined(J, -1) && !js_isnull(J, -1)) { obj = jsV_newiterator(J, js_toobject(J, -1), 0); js_pop(J, 1); js_pushobject(J, obj); } break; case OP_NEXTITER: obj = js_toobject(J, -1); str = jsV_nextiterator(J, obj); if (str) { js_pushliteral(J, str); js_pushboolean(J, 1); } else { js_pop(J, 1); js_pushboolean(J, 0); } break; /* Function calls */ case OP_EVAL: js_eval(J); break; case OP_CALL: js_call(J, *pc++); break; case OP_NEW: js_construct(J, *pc++); break; /* Unary operators */ case OP_TYPEOF: str = js_typeof(J, -1); js_pop(J, 1); js_pushliteral(J, str); break; case OP_POS: x = js_tonumber(J, -1); js_pop(J, 1); js_pushnumber(J, x); break; case OP_NEG: x = js_tonumber(J, -1); js_pop(J, 1); js_pushnumber(J, -x); break; case OP_BITNOT: ix = js_toint32(J, -1); js_pop(J, 1); js_pushnumber(J, ~ix); break; case OP_LOGNOT: b = js_toboolean(J, -1); js_pop(J, 1); js_pushboolean(J, !b); break; case OP_INC: x = js_tonumber(J, -1); js_pop(J, 1); js_pushnumber(J, x + 1); break; case OP_DEC: x = js_tonumber(J, -1); js_pop(J, 1); js_pushnumber(J, x - 1); break; case OP_POSTINC: x = js_tonumber(J, -1); js_pop(J, 1); js_pushnumber(J, x + 1); js_pushnumber(J, x); break; case OP_POSTDEC: x = js_tonumber(J, -1); js_pop(J, 1); js_pushnumber(J, x - 1); js_pushnumber(J, x); break; /* Multiplicative operators */ case OP_MUL: x = js_tonumber(J, -2); y = js_tonumber(J, -1); js_pop(J, 2); js_pushnumber(J, x * y); break; case OP_DIV: x = js_tonumber(J, -2); y = js_tonumber(J, -1); js_pop(J, 2); js_pushnumber(J, x / y); break; case OP_MOD: x = js_tonumber(J, -2); y = js_tonumber(J, -1); js_pop(J, 2); js_pushnumber(J, fmod(x, y)); break; /* Additive operators */ case OP_ADD: js_concat(J); break; case OP_SUB: x = js_tonumber(J, -2); y = js_tonumber(J, -1); js_pop(J, 2); js_pushnumber(J, x - y); break; /* Shift operators */ case OP_SHL: ix = js_toint32(J, -2); uy = js_touint32(J, -1); js_pop(J, 2); js_pushnumber(J, ix << (uy & 0x1F)); break; case OP_SHR: ix = js_toint32(J, -2); uy = js_touint32(J, -1); js_pop(J, 2); js_pushnumber(J, ix >> (uy & 0x1F)); break; case OP_USHR: ux = js_touint32(J, -2); uy = js_touint32(J, -1); js_pop(J, 2); js_pushnumber(J, ux >> (uy & 0x1F)); break; /* Relational operators */ case OP_LT: b = js_compare(J, &okay); js_pop(J, 2); js_pushboolean(J, okay && b < 0); break; case OP_GT: b = js_compare(J, &okay); js_pop(J, 2); js_pushboolean(J, okay && b > 0); break; case OP_LE: b = js_compare(J, &okay); js_pop(J, 2); js_pushboolean(J, okay && b <= 0); break; case OP_GE: b = js_compare(J, &okay); js_pop(J, 2); js_pushboolean(J, okay && b >= 0); break; case OP_INSTANCEOF: b = js_instanceof(J); js_pop(J, 2); js_pushboolean(J, b); break; /* Equality */ case OP_EQ: b = js_equal(J); js_pop(J, 2); js_pushboolean(J, b); break; case OP_NE: b = js_equal(J); js_pop(J, 2); js_pushboolean(J, !b); break; case OP_STRICTEQ: b = js_strictequal(J); js_pop(J, 2); js_pushboolean(J, b); break; case OP_STRICTNE: b = js_strictequal(J); js_pop(J, 2); js_pushboolean(J, !b); break; case OP_JCASE: offset = *pc++; b = js_strictequal(J); if (b) { js_pop(J, 2); pc = pcstart + offset; } else { js_pop(J, 1); } break; /* Binary bitwise operators */ case OP_BITAND: ix = js_toint32(J, -2); iy = js_toint32(J, -1); js_pop(J, 2); js_pushnumber(J, ix & iy); break; case OP_BITXOR: ix = js_toint32(J, -2); iy = js_toint32(J, -1); js_pop(J, 2); js_pushnumber(J, ix ^ iy); break; case OP_BITOR: ix = js_toint32(J, -2); iy = js_toint32(J, -1); js_pop(J, 2); js_pushnumber(J, ix | iy); break; /* Try and Catch */ case OP_THROW: js_throw(J); case OP_TRY: offset = *pc++; if (js_trypc(J, pc)) { pc = J->trybuf[J->trytop].pc; } else { pc = pcstart + offset; } break; case OP_ENDTRY: js_endtry(J); break; case OP_CATCH: str = ST[*pc++]; obj = jsV_newobject(J, JS_COBJECT, NULL); js_pushobject(J, obj); js_rot2(J); js_setproperty(J, -2, str); J->E = jsR_newenvironment(J, obj, J->E); js_pop(J, 1); break; case OP_ENDCATCH: J->E = J->E->outer; break; /* With */ case OP_WITH: obj = js_toobject(J, -1); J->E = jsR_newenvironment(J, obj, J->E); js_pop(J, 1); break; case OP_ENDWITH: J->E = J->E->outer; break; /* Branching */ case OP_DEBUGGER: js_trap(J, (int)(pc - pcstart) - 1); break; case OP_JUMP: pc = pcstart + *pc; break; case OP_JTRUE: offset = *pc++; b = js_toboolean(J, -1); js_pop(J, 1); if (b) pc = pcstart + offset; break; case OP_JFALSE: offset = *pc++; b = js_toboolean(J, -1); js_pop(J, 1); if (!b) pc = pcstart + offset; break; case OP_RETURN: return; case OP_LINE: J->trace[J->tracetop].line = *pc++; break; } } }