static void ToPropertyDescriptor(js_State *J, js_Object *obj, const char *name, js_Object *desc) { int haswritable = 0; int hasvalue = 0; int enumerable = 0; int configurable = 0; int writable = 0; int atts = 0; js_pushobject(J, obj); js_pushobject(J, desc); if (js_hasproperty(J, -1, "writable")) { haswritable = 1; writable = js_toboolean(J, -1); js_pop(J, 1); } if (js_hasproperty(J, -1, "enumerable")) { enumerable = js_toboolean(J, -1); js_pop(J, 1); } if (js_hasproperty(J, -1, "configurable")) { configurable = js_toboolean(J, -1); js_pop(J, 1); } if (js_hasproperty(J, -1, "value")) { hasvalue = 1; js_setproperty(J, -3, name); } if (!writable) atts |= JS_READONLY; if (!enumerable) atts |= JS_DONTENUM; if (!configurable) atts |= JS_DONTCONF; if (js_hasproperty(J, -1, "get")) { if (haswritable || hasvalue) js_typeerror(J, "value/writable and get/set attributes are exclusive"); } else { js_pushundefined(J); } if (js_hasproperty(J, -2, "set")) { if (haswritable || hasvalue) js_typeerror(J, "value/writable and get/set attributes are exclusive"); } else { js_pushundefined(J); } js_defaccessor(J, -4, name, atts); js_pop(J, 2); }
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_some(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); if (js_toboolean(J, -1)) return; js_pop(J, 2); } } js_pushboolean(J, 0); }
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; } } }
JsonNode * js_util_tojsonnode(js_State *state, int idx) { const char *s; JsonNode *node; JsonNode *tmp; JsonObject *object; JsonArray *array; unsigned int i, length; node = json_node_alloc(); if (js_isstring(state, idx)) { json_node_init_string(node, js_tostring(state, idx)); } else if (js_isnumber(state, idx)) { json_node_init_int(node, js_tointeger(state, idx)); } else if (js_isboolean(state, idx)) { json_node_init_boolean(node, js_toboolean(state, idx)); } else if (js_isarray(state, idx)) { length = js_getlength(state, idx); array = json_array_new(); json_node_init_array(node, array); for (i = 0; i < length; i++) { js_getindex(state, idx, i); tmp = js_util_tojsonnode(state, -1); if (tmp) json_array_add_element(array, tmp); js_pop(state, 1); } json_array_unref(array); } else if (js_isobject(state, idx)) { object = json_object_new(); json_node_init_object(node, object); js_pushiterator(state, idx, 1); while((s = js_nextiterator(state, -1)) != NULL) { if (idx > 0) js_getproperty(state, idx, s); else js_getproperty(state, idx - 1, s); tmp = js_util_tojsonnode(state, -1); if (tmp) json_object_set_member(object, s, tmp); js_pop(state, 1); } js_pop(state, 1); json_object_unref(object); } else { json_node_free(node); return NULL; } return node; }
static void jsB_Boolean(js_State *J) { js_pushboolean(J, js_toboolean(J, 1)); }
static void jsB_new_Boolean(js_State *J) { js_newboolean(J, js_toboolean(J, 1)); }
static void jsB_gc(js_State *J) { int report = js_toboolean(J, 1); js_gc(J, report); js_pushundefined(J); }