static ejsval
_ejs_Process_get_env (ejsval env, ejsval _this, uint32_t argc, ejsval *args)
{
ejsval env_obj = _ejs_object_new(_ejs_null, &_ejs_Object_specops);
char** p = environ;
while (*p) {
char *env_entry = strdup(*p);
char *eq = strchr(env_entry, '=');
if (!eq) {
free (env_entry);
p++;
continue;
}
*eq = '\0';
ejsval k = _ejs_string_new_utf8(env_entry);
ejsval v = _ejs_string_new_utf8(eq+1);
_ejs_object_define_value_property (env_obj, k, v, EJS_PROP_ENUMERABLE | EJS_PROP_NOT_CONFIGURABLE | EJS_PROP_NOT_WRITABLE);
free (env_entry);
p++;
}
return env_obj;
}
ejsval
Function_prototype_get_name(ejsval env, ejsval _this, int argc, ejsval *args)
{
Function* fun = ((Function*)EJSVAL_TO_OBJECT(_this));
std::string fun_name = fun->llvm_fun->getName();
return _ejs_string_new_utf8(fun_name.c_str());
}
static EJS_NATIVE_FUNC(ArrayType_prototype_toString) {
std::string str;
llvm::raw_string_ostream str_ostream(str);
((ArrayType*)EJSVAL_TO_OBJECT(*_this))->type->print(str_ostream);
return _ejs_string_new_utf8(trim(str_ostream.str()).c_str());
}
ejsval _ejs_function_new_utf8 (ejsval env, const char *name, EJSClosureFunc func)
{
ejsval function_name = _ejs_string_new_utf8 (name);
ejsval rv = _ejs_function_new (env, function_name, func);
return rv;
}
static EJS_NATIVE_FUNC(GlobalVariable_prototype_toString) {
std::string str;
llvm::raw_string_ostream str_ostream(str);
((GlobalVariable*)EJSVAL_TO_OBJECT(*_this))->llvm_global->print(str_ostream);
return _ejs_string_new_utf8(trim(str_ostream.str()).c_str());
}
static EJS_NATIVE_FUNC(_ejs_Process_cwd) {
char cwd[MAXPATHLEN];
getcwd(cwd, MAXPATHLEN);
return _ejs_string_new_utf8(cwd);
}
void
_ejs_process_init(ejsval global, uint32_t argc, char **argv)
{
_ejs_Process = _ejs_object_new (_ejs_null, &_ejs_Object_specops);
_ejs_object_setprop (global, _ejs_atom_process, _ejs_Process);
ejsval _argv = _ejs_array_new (argc, EJS_FALSE);
_ejs_object_setprop (_ejs_Process, _ejs_atom_argv, _argv);
for (int i = 0; i < argc; i ++)
_ejs_object_setprop (_argv, NUMBER_TO_EJSVAL(i), _ejs_string_new_utf8(argv[i]));
#define OBJ_PROP(x) EJS_INSTALL_ATOM_GETTER(_ejs_Process, x, _ejs_Process_get_##x)
#define OBJ_METHOD(x) EJS_INSTALL_ATOM_FUNCTION(_ejs_Process, x, _ejs_Process_##x)
OBJ_PROP(env);
OBJ_METHOD(exit);
OBJ_METHOD(chdir);
OBJ_METHOD(cwd);
#undef OBJ_PROP
#undef OBJ_METHOD
}
static ejsval
_ejs_path_resolve (ejsval env, ejsval _this, uint32_t argc, ejsval* args)
{
// FIXME node's implementation is a lot more flexible. we just combine the paths with a / between them.
ejsval from = args[0];
ejsval to = args[1];
return _ejs_string_concat (from, _ejs_string_concat (_ejs_string_new_utf8("/"), to));
}
static EJSBool
json_value_to_ejsval(JSON_Value *v, ejsval *rv)
{
switch (json_value_get_type (v)) {
case JSONNull:
*rv = _ejs_null;
return EJS_TRUE;
case JSONString:
*rv = _ejs_string_new_utf8 (json_value_get_string(v));
return EJS_TRUE;
case JSONNumber:
*rv = NUMBER_TO_EJSVAL(json_value_get_number(v));
return EJS_TRUE;
case JSONObject: {
JSON_Object *obj = json_value_get_object (v);
*rv = _ejs_object_create (_ejs_null);
int count = json_object_get_count (obj);
for (int i = 0; i < count; i ++) {
const char *propkey = json_object_get_name (obj, i);
ejsval propval;
if (!json_value_to_ejsval (json_object_get_value (obj, propkey), &propval))
return EJS_FALSE;
_ejs_object_setprop_utf8 (*rv, propkey, propval);
}
return EJS_TRUE;
}
case JSONArray: {
JSON_Array *arr = json_value_get_array (v);
int count = json_array_get_count (arr);
*rv = _ejs_array_new (count, EJS_FALSE);
for (int i = 0; i < count; i ++) {
ejsval propkey = _ejs_number_new (i);
ejsval propval;
if (!json_value_to_ejsval (json_array_get_value (arr, i), &propval))
return EJS_FALSE;
_ejs_object_setprop (*rv, propkey, propval);
}
return EJS_TRUE;
}
case JSONBoolean:
*rv = BOOLEAN_TO_EJSVAL(json_value_get_boolean(v));
return EJS_TRUE;
case JSONError:
EJS_NOT_IMPLEMENTED();
return EJS_FALSE;
}
}
ejsval
AllocaInst_prototype_toString(ejsval env, ejsval *_this, uint32_t argc, ejsval *args, ejsval newTarget)
{
std::string str;
llvm::raw_string_ostream str_ostream(str);
((AllocaInst*)EJSVAL_TO_OBJECT(*_this))->llvm_alloca->print(str_ostream);
return _ejs_string_new_utf8(trim(str_ostream.str()).c_str());
}
ejsval
FunctionType_prototype_toString(ejsval env, ejsval _this, int argc, ejsval *args)
{
std::string str;
llvm::raw_string_ostream str_ostream(str);
((FunctionType*)EJSVAL_TO_OBJECT(_this))->type->print(str_ostream);
return _ejs_string_new_utf8(trim(str_ostream.str()).c_str());
}
ejsval
LoadInst_prototype_toString(ejsval env, ejsval _this, int argc, ejsval *args)
{
std::string str;
llvm::raw_string_ostream str_ostream(str);
((LoadInst*)EJSVAL_TO_OBJECT(_this))->llvm_load->print(str_ostream);
return _ejs_string_new_utf8(trim(str_ostream.str()).c_str());
}
void
_ejs_uri_init (ejsval global)
{
/* 18.2.6.1 URI Syntax and Semantics */
/* a 'funny' thing is that we are flatting the string whenever we are encoding it. It would be nice to have it
* in that state always! */
char *uriUnescaped = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.!~*'()";
_ejs_uriUnescaped = _ejs_string_new_utf8 (uriUnescaped);
}
ejsval
GlobalVariable_prototype_toString(ejsval env, ejsval _this, int argc, ejsval *args)
{
std::string str;
llvm::raw_string_ostream str_ostream(str);
((GlobalVariable*)EJSVAL_TO_OBJECT(_this))->llvm_global->print(str_ostream);
return _ejs_string_new_utf8(trim(str_ostream.str()).c_str());
}
ejsval
Call_prototype_toString(ejsval env, ejsval _this, int argc, ejsval *args)
{
std::string str;
llvm::raw_string_ostream str_ostream(str);
((Call*)EJSVAL_TO_OBJECT(_this))->llvm_call->print(str_ostream, NULL);
return _ejs_string_new_utf8(trim(str_ostream.str()).c_str());
}
static ejsval
_ejs_Process_cwd (ejsval env, ejsval _this, uint32_t argc, ejsval* args)
{
char cwd[MAXPATHLEN];
getcwd(cwd, MAXPATHLEN);
return _ejs_string_new_utf8(cwd);
}
static ejsval
_ejs_path_basename (ejsval env, ejsval _this, uint32_t argc, ejsval* args)
{
ejsval path = args[0];
// FIXME node's implementation allows a second arg to strip the extension, but the compiler doesn't use it.
char *utf8_path = ucs2_to_utf8(EJSVAL_TO_FLAT_STRING(path));
ejsval rv = _ejs_string_new_utf8(basename (utf8_path));
free (utf8_path);
return rv;
}
// ECMA262: 19.4.3.2 Symbol.prototype.toString ()
static EJS_NATIVE_FUNC(_ejs_Symbol_prototype_toString) {
// 1. Let s be the this value.
ejsval s = *_this;
EJSPrimSymbol* sym;
// 2. If Type(s) is Symbol, then let sym be s.
if (EJSVAL_IS_SYMBOL(s)) {
sym = EJSVAL_TO_SYMBOL(s);
}
// 3. Else,
else {
// a. If s does not have a [[SymbolData]] internal slot, then throw a TypeError exception.
if (!EJSVAL_IS_SYMBOL_OBJECT(s)) {
_ejs_throw_nativeerror_utf8 (EJS_TYPE_ERROR, "Symbol.prototype.toString called with non-symbol this");
}
// b. Let sym be the value of s’s [[SymbolData]] internal slot.
sym = EJSVAL_TO_SYMBOL(EJSVAL_TO_SYMBOL_OBJECT(s)->primSymbol);
}
// 4. Let desc be the value of sym’s [[Description]] attribute.
ejsval desc = sym->description;
// 5. If desc is undefined, then let desc be the empty string.
if (EJSVAL_IS_UNDEFINED(desc))
desc = _ejs_atom_empty;
// 6. Assert: Type(desc) is String.
// 7. Let result be the result of concatenating the strings "Symbol(", desc, and ")".
ejsval result = _ejs_string_concatv (_ejs_atom_Symbol,
_ejs_string_new_utf8("("),
desc,
_ejs_string_new_utf8(")"),
_ejs_null);
// 8. Return result.
return result;
}
ejsval NumberToString(double d)
{
int32_t i;
if (EJSDOUBLE_IS_INT32(d, &i)) {
if (i >=0 && i <= 200)
return *builtin_numbers_atoms[i];
jschar int_buf[UINT32_CHAR_BUFFER_LENGTH+1];
jschar *cp = IntToUCS2(int_buf, i, 10);
return _ejs_string_new_ucs2 (cp);
}
char num_buf[256];
snprintf (num_buf, sizeof(num_buf), EJS_NUMBER_FORMAT, d);
return _ejs_string_new_utf8 (num_buf);
}
ejsval
_ejs_function_new_utf8_with_proto (ejsval env, const char* name, EJSClosureFunc func, ejsval prototype)
{
ejsval function_name = _ejs_string_new_utf8 (name);
EJSFunction *rv = _ejs_gc_new(EJSFunction);
_ejs_init_object ((EJSObject*)rv, _ejs_Function_prototype, &_ejs_Function_specops);
rv->func = func;
rv->env = env;
ejsval fun = OBJECT_TO_EJSVAL(rv);
_ejs_object_define_value_property (fun, _ejs_atom_name, function_name, EJS_PROP_NOT_ENUMERABLE | EJS_PROP_NOT_CONFIGURABLE | EJS_PROP_NOT_WRITABLE);
_ejs_object_define_value_property (fun, _ejs_atom_prototype, prototype, EJS_PROP_NOT_ENUMERABLE | EJS_PROP_CONFIGURABLE | EJS_PROP_WRITABLE);
return fun;
}
static EJS_NATIVE_FUNC(_ejs_Error_prototype_toString) {
ejsval O = *_this;
if (!EJSVAL_IS_OBJECT(O)) {
_ejs_throw_nativeerror_utf8 (EJS_TYPE_ERROR, "Error.prototype.toString called on non-object");
}
EJSObject *_thisobj = EJSVAL_TO_OBJECT(O);
ejsval name = OP(_thisobj,Get)(O, _ejs_atom_name, O);
if (EJSVAL_IS_NULL_OR_UNDEFINED(name))
name = _ejs_atom_Error;
ejsval message = OP(_thisobj,Get)(O, _ejs_atom_message, O);
if (EJSVAL_IS_NULL_OR_UNDEFINED(message))
return name;
ejsval sep = _ejs_string_new_utf8(": ");
return _ejs_string_concatv (name, sep, message, _ejs_null);
}
// ECMA262 15.3.4.2
static ejsval
_ejs_Function_prototype_toString (ejsval env, ejsval _this, uint32_t argc, ejsval *args)
{
char terrible_fixed_buffer[256];
if (!EJSVAL_IS_FUNCTION(_this))
_ejs_throw_nativeerror_utf8 (EJS_TYPE_ERROR, "Function.prototype.toString is not generic.");
ejsval func_name = _ejs_object_getprop (_this, _ejs_atom_name);
char *utf8_funcname = ucs2_to_utf8(EJSVAL_TO_FLAT_STRING(func_name));
snprintf (terrible_fixed_buffer, sizeof (terrible_fixed_buffer), "function %s() {}", utf8_funcname);
free (utf8_funcname);
return _ejs_string_new_utf8(terrible_fixed_buffer);
}
static ejsval
_ejs_Error_prototype_toString (ejsval env, ejsval _this, uint32_t argc, ejsval *args)
{
if (!EJSVAL_IS_OBJECT(_this)) {
_ejs_throw_nativeerror_utf8 (EJS_TYPE_ERROR, "Error.prototype.toString called on non-object");
}
EJSObject *_thisobj = EJSVAL_TO_OBJECT(_this);
ejsval name = OP(_thisobj,Get)(_this, _ejs_atom_name, _this);
if (EJSVAL_IS_NULL_OR_UNDEFINED(name))
name = _ejs_atom_Error;
ejsval message = OP(_thisobj,Get)(_this, _ejs_atom_message, _this);
if (EJSVAL_IS_NULL_OR_UNDEFINED(message))
return name;
ejsval sep = _ejs_string_new_utf8(": ");
return _ejs_string_concatv (name, sep, message, _ejs_null);
}
static ejsval
_ejs_path_resolve (ejsval env, ejsval _this, uint32_t argc, ejsval* args)
{
char** paths_utf8 = (char**)calloc(argc + 1, sizeof(char*));
int num_paths = 0;
char cwd[MAXPATHLEN];
getcwd(cwd, MAXPATHLEN);
paths_utf8[num_paths++] = strdup(cwd);
for (int i = 0; i < argc; i ++) {
ejsval arg = args[i];
if (!EJSVAL_IS_STRING(arg)) {
for (int j = 0; j < num_paths; j ++) free(paths_utf8[j]);
free (paths_utf8);
_ejs_throw_nativeerror_utf8 (EJS_TYPE_ERROR, "Arguments to path.resolve must be strings");
}
paths_utf8[num_paths++] = ucs2_to_utf8(EJSVAL_TO_FLAT_STRING(arg));
}
int start_path;
for (start_path = num_paths-1; start_path >= 0; start_path --) {
if (paths_utf8[start_path][0] == '/')
break;
}
// at this point paths_utf8[start_path] is our "root" for
// resolving. it is either the right-most absolute path in the
// argument list, or $cwd if there wasn't an absolute path in the
// args.
char* resolved = resolvev(&paths_utf8[start_path], num_paths - start_path);
ejsval rv = _ejs_string_new_utf8(resolved);
free (resolved);
for (int j = 0; j < num_paths; j ++) free(paths_utf8[j]);
free (paths_utf8);
return rv;
}
static EJS_NATIVE_FUNC(_ejs_Process_get_env) {
ejsval env_obj = _ejs_object_new(_ejs_null, &_ejs_Object_specops);
char** p = environ;
while (*p) {
char *env_entry = *p;
char *eq = strchr(env_entry, '=');
if (!eq) {
p++;
continue;
}
ejsval k = _ejs_string_new_utf8_len(env_entry, eq - env_entry);
ejsval v = _ejs_string_new_utf8(eq+1);
_ejs_object_define_value_property (env_obj, k, v, EJS_PROP_ENUMERABLE | EJS_PROP_NOT_CONFIGURABLE | EJS_PROP_NOT_WRITABLE);
p++;
}
return env_obj;
}
void
_ejs_regexp_init(ejsval global)
{
_ejs_RegExp = _ejs_function_new_without_proto (_ejs_null, _ejs_atom_RegExp, (EJSClosureFunc)_ejs_RegExp_impl);
_ejs_object_setprop (global, _ejs_atom_RegExp, _ejs_RegExp);
_ejs_gc_add_root (&_ejs_RegExp_prototype);
_ejs_RegExp_prototype = _ejs_object_new(_ejs_null, &_ejs_RegExp_specops);
EJSRegExp* re_proto = (EJSRegExp*)EJSVAL_TO_OBJECT(_ejs_RegExp_prototype);
re_proto->pattern = _ejs_string_new_utf8("(?:)");
re_proto->flags = _ejs_atom_empty;
_ejs_object_setprop (_ejs_RegExp, _ejs_atom_prototype, _ejs_RegExp_prototype);
#define OBJ_METHOD(x) EJS_INSTALL_ATOM_FUNCTION(_ejs_RegExp, x, _ejs_RegExp_##x)
#define PROTO_METHOD(x) EJS_INSTALL_ATOM_FUNCTION(_ejs_RegExp_prototype, x, _ejs_RegExp_prototype_##x)
#define PROTO_METHOD_VAL(x) EJS_INSTALL_ATOM_FUNCTION_VAL(_ejs_RegExp_prototype, x, _ejs_RegExp_prototype_##x)
#define PROTO_GETTER(x) EJS_INSTALL_ATOM_GETTER(_ejs_RegExp_prototype, x, _ejs_RegExp_prototype_get_##x)
_ejs_gc_add_root (&_ejs_RegExp_prototype_exec_closure);
_ejs_RegExp_prototype_exec_closure = PROTO_METHOD_VAL(exec);
PROTO_METHOD(test);
PROTO_METHOD(toString);
PROTO_GETTER(global);
PROTO_GETTER(ignoreCase);
PROTO_GETTER(lastIndex);
PROTO_GETTER(multiline);
PROTO_GETTER(source);
PROTO_GETTER(sticky);
PROTO_GETTER(unicode);
#undef OBJ_METHOD
#undef PROTO_METHOD
EJS_INSTALL_SYMBOL_FUNCTION_FLAGS (_ejs_RegExp, create, _ejs_RegExp_create, EJS_PROP_NOT_ENUMERABLE);
}
static ejsval
Encode (ejsval string, ejsval unescaped)
{
EJSPrimString *stringObj = EJSVAL_TO_STRING(string);
jschar *unescapedStr = EJSVAL_TO_FLAT_STRING(unescaped);
/* 1. Let strLen be the number of code units in string. */
int32_t strLen = stringObj->length;
/* 2. Let R be the empty String. */
ejsval R = _ejs_atom_empty;
/* 3. Let k be 0. */
int32_t k = 0;
/* 4. Repeat. */
for (;;) {
/* a. If k equals strLen, return R. */
if (k == strLen)
return R;
/* b. Let C be the code unit at index k within string. */
jschar C = _ejs_string_ucs2_at (stringObj, k);
jschar C_arr [2] = { C, 0 };
/* c. If C is in unescapedSet, then */
jschar *p = ucs2_strstr (unescapedStr, C_arr);
if (p) {
/* i. Let S be a String containing only the code unit C. */
ejsval S = _ejs_string_new_substring (string, k, 1);
/* ii. Let R be a new String value computed by concatenating the previous value of R and S. */
R = _ejs_string_concat (R, S);
}
/* d. Else C is not in unescapedSet, */
else {
/* i. If the code unit value of C is not less than 0xDC00 and not greater than 0xDFFF, throw a URIError exception. */
if (C >= 0xDC00 && C <= 0xDFFF)
_ejs_throw_nativeerror_utf8 (EJS_URI_ERROR, "URI malformed");
/* ii. If the code unit value of C is less than 0xD800 or greater than 0xDBFF, then Let V be the code unit value of C. */
jschar V;
if (C < 0xD800 || C > 0xDBFF)
V = C;
/* iii. Else, */
else {
/* 1. Increase k by 1. */
k++;
/* 2. If k equals strLen, throw a URIError exception. */
if (k == strLen)
_ejs_throw_nativeerror_utf8 (EJS_URI_ERROR, "URI malformed");
/* 3. Let kChar be the code unit value of the code unit at index k within string. */
jschar kChar = _ejs_string_ucs2_at (stringObj, k);
/* 4. If kChar is less than 0xDC00 or greater than 0xDFFF, throw a URIError exception. */
if (kChar < 0xDC00 || kChar > 0xDFFF)
_ejs_throw_nativeerror_utf8 (EJS_URI_ERROR, "URI malformed");
/* 5. Let V be (((the code unit value of C) – 0xD800) × 0x400 + (kChar – 0xDC00) + 0x10000). */
V = (C - 0xD800) * 0x400 + (kChar - 0xDC00) + 0x10000;
}
/* iv. Let Octets be the array of octets resulting by applying the UTF-8 transformation to V, and let L be the array size. */
char octets[4];
int32_t L = ucs2_to_utf8_char (V, octets);
/* v. Let j be 0. */
int32_t j = 0;
/* vi. Repeat, while j < L. */
while (j < L) {
/* 1. Let jOctet be the value at index j within Octets. */
char jOctet = octets [j];
/* 2. Let S be a String containing three code units “%XY” where XY are two uppercase hexadecimal
* digits encoding the value of jOctet. */
char buff[4];
sprintf(buff, "%%%X", jOctet);
ejsval S = _ejs_string_new_utf8 (buff);
/* 3. Let R be a new String value computed by concatenating the previous value of R and S. */
R = _ejs_string_concat (R, S);
/* 4. Increase j by 1. */
j++;
}
}
/* e. Increase k by 1. */
k++;
}
}
static ejsval
_ejs_path_relative (ejsval env, ejsval _this, uint32_t argc, ejsval* args)
{
ejsval from = _ejs_undefined;
ejsval to = _ejs_undefined;
if (argc > 0) from = args[0];
if (argc > 1) to = args[1];
if (!EJSVAL_IS_STRING(from) || !EJSVAL_IS_STRING(to))
_ejs_throw_nativeerror_utf8 (EJS_TYPE_ERROR, "Arguments to path.relative must be strings");
char *from_utf8 = ucs2_to_utf8(EJSVAL_TO_FLAT_STRING(from));
char *to_utf8 = ucs2_to_utf8(EJSVAL_TO_FLAT_STRING(to));
if (from_utf8[0] != '/') from_utf8 = make_absolute(from_utf8);
if (to_utf8[0] != '/') to_utf8 = make_absolute(to_utf8);
char* p = to_utf8 + strlen(to_utf8) - 1;
int up = 0;
EJSBool seen_slash = EJS_FALSE;
while (p != to_utf8) {
if (*p == '/') {
if (seen_slash) continue; // skip adjacent slashes
seen_slash = EJS_TRUE;
char* prefix = strndup(to_utf8, p - to_utf8);
if (!strcmp(from_utf8, prefix)) {
up = -1;
free (prefix);
goto done;
}
if (strstr(from_utf8, prefix) == from_utf8) {
free (prefix);
goto done;
}
free (prefix);
up ++;
}
else {
seen_slash = EJS_FALSE;
}
p--;
}
// we made it all the way to the end, fall through to building up our string
done:
{
ejsval dotdotslash = _ejs_string_new_utf8("../");
ejsval rv = _ejs_string_new_utf8(p+1);
while (up >= 0) {
rv = _ejs_string_concat(dotdotslash, rv);
up--;
}
free (from_utf8);
free (to_utf8);
return rv;
}
}
ejsval
BasicBlock_prototype_get_name(ejsval env, ejsval _this, int argc, ejsval *args)
{
BasicBlock* bb = ((BasicBlock*)EJSVAL_TO_OBJECT(_this));
return _ejs_string_new_utf8(bb->llvm_bb->getName().data());
}
ejsval
_ejs_nativeerror_new_utf8 (EJSNativeErrorType err_type, const char *message)
{
ejsval msg = _ejs_string_new_utf8 (message);
return _ejs_nativeerror_new (err_type, msg);
}
