Implement Symbol.matchAll (#4082)

The following methods were implemented:
- String.prototype.matchAll based on ECMA-262 v11, 21.1.3.12
- RegExp.prototype[@@matchAll] based on ECMA-262 v11, 21.2.5.8
- RegExp String Iterator Object based on 21.2.7

JerryScript-DCO-1.0-Signed-off-by: Adam Szilagyi aszilagy@inf.u-szeged.hu

jerry-core/lit/lit-char-helpers.c

@@ -981,3 +981,36 @@ lit_char_fold_to_upper (lit_code_point_t cp) /**< code point */
 #endif /* ENABLED (JERRY_UNICODE_CASE_CONVERSION) */
 } /* lit_char_fold_to_upper */
 #endif /* ENABLED (JERRY_ESNEXT) */
+
+/**
+ * Helper method to find a specific character in a string
+ *
+ * Used by:
+ *         ecma_builtin_string_prototype_object_replace_helper
+ *
+ * @return true - if the given character is in the string
+ *         false - otherwise
+ */
+bool
+lit_find_char_in_string (ecma_string_t *str_p, /**< source string */
+                         lit_utf8_byte_t c) /**< character to find*/
+{
+  ECMA_STRING_TO_UTF8_STRING (str_p, start_p, start_size);
+
+  const lit_utf8_byte_t *str_curr_p = start_p;
+  const lit_utf8_byte_t *str_end_p = start_p + start_size;
+  bool have_char = false;
+
+  while (str_curr_p < str_end_p)
+  {
+    if (*str_curr_p++ == c)
+    {
+      have_char = true;
+      break;
+    }
+  }
+
+  ECMA_FINALIZE_UTF8_STRING (start_p, start_size);
+
+  return have_char;
+} /* lit_find_char_in_string */

jerry-core/lit/lit-char-helpers.h

@@ -231,6 +231,7 @@ size_t lit_code_point_get_cesu8_length (lit_code_point_t code_point);
 void lit_four_byte_utf8_char_to_cesu8 (uint8_t *dst_p, const uint8_t *source_p);
 uint32_t lit_char_hex_lookup (const lit_utf8_byte_t *buf_p, const lit_utf8_byte_t *const buf_end_p, uint32_t lookup);
 uint32_t lit_parse_decimal (const lit_utf8_byte_t **buffer_p, const lit_utf8_byte_t *const buffer_end_p);
+bool lit_find_char_in_string (ecma_string_t *str_p, lit_utf8_byte_t c);
 
 /**
  * Null character

jerry-core/lit/lit-magic-strings.h

@@ -55,7 +55,8 @@ typedef enum
   LIT_GLOBAL_SYMBOL_TO_PRIMITIVE, /**< @@toPrimitive well known symbol */
   LIT_GLOBAL_SYMBOL_TO_STRING_TAG, /**< @@toStringTag well known symbol */
   LIT_GLOBAL_SYMBOL_UNSCOPABLES, /**< @@unscopables well known symbol */
-  LIT_GLOBAL_SYMBOL__LAST = LIT_GLOBAL_SYMBOL_UNSCOPABLES, /**< last global symbol */
+  LIT_GLOBAL_SYMBOL_MATCH_ALL, /**< @@matchAll well known symbol */
+  LIT_GLOBAL_SYMBOL__LAST = LIT_GLOBAL_SYMBOL_MATCH_ALL, /**< last global symbol */
 
   LIT_INTERNAL_MAGIC_STRING_DELETED, /**< special value for deleted properties */
   LIT_INTERNAL_MAGIC_STRING_INTERNAL_OBJECT, /**< Internal object ID for internal properties */

jerry-core/lit/lit-magic-strings.inc.h

@@ -585,6 +585,7 @@ LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_IS_FROZEN_UL, "isFrozen")
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_IS_SEALED_UL, "isSealed")
 #if ENABLED (JERRY_ESNEXT)
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_ITERATOR, "iterator")
+LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_MATCH_ALL, "matchAll")
 #endif
 #if ENABLED (JERRY_BUILTIN_STRING) && ENABLED (JERRY_ESNEXT)
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_PAD_START, "padStart")
@@ -661,7 +662,8 @@ LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_GET_UINT32_UL, "getUint32")
 #if ENABLED (JERRY_ESNEXT)
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_IS_INTEGER, "isInteger")
 #endif
-#if ENABLED (JERRY_BUILTIN_REGEXP)
+#if ENABLED (JERRY_BUILTIN_REGEXP) \
+|| ENABLED (JERRY_ESNEXT)
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_LASTINDEX_UL, "lastIndex")
 #endif
 #if !ENABLED (JERRY_ESNEXT) && ENABLED (JERRY_BUILTIN_REGEXP) \
@@ -978,6 +980,7 @@ LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_PROPERTY_IS_ENUMERABLE_UL, "propertyIsEnu
 #if ENABLED (JERRY_ESNEXT)
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_GET_OWN_PROPERTY_SYMBOLS_UL, "getOwnPropertySymbols")
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_ASYNC_GENERATOR_FUNCTION_UL, "AsyncGeneratorFunction")
+LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_REGEXP_STRING_ITERATOR_UL, "RegExp String Iterator")
 #endif
 LIT_MAGIC_STRING_DEF (LIT_MAGIC_STRING_GET_OWN_PROPERTY_DESCRIPTOR_UL, "getOwnPropertyDescriptor")
 #if ENABLED (JERRY_ESNEXT)

jerry-core/lit/lit-magic-strings.ini

@@ -219,6 +219,7 @@ LIT_MAGIC_STRING_RUNNABLE_UL = "Runnable"
 LIT_MAGIC_STRING_DATAVIEW_UL = "DataView"
 LIT_MAGIC_STRING_FUNCTION_UL = "Function"
 LIT_MAGIC_STRING_INFINITY_UL = "Infinity"
+LIT_MAGIC_STRING_MATCH_ALL = "matchAll"
 LIT_MAGIC_STRING_URI_ERROR_UL = "URIError"
 LIT_MAGIC_STRING_ENDS_WITH = "endsWith"
 LIT_MAGIC_STRING_FUNCTION = "function"
@@ -394,6 +395,7 @@ LIT_MAGIC_STRING_TO_LOCALE_TIME_STRING_UL = "toLocaleTimeString"
 LIT_MAGIC_STRING_GET_OWN_PROPERTY_NAMES_UL = "getOwnPropertyNames"
 LIT_MAGIC_STRING_PROPERTY_IS_ENUMERABLE_UL = "propertyIsEnumerable"
 LIT_MAGIC_STRING_GET_OWN_PROPERTY_SYMBOLS_UL = "getOwnPropertySymbols"
+LIT_MAGIC_STRING_REGEXP_STRING_ITERATOR_UL = "RegExp String Iterator"
 LIT_MAGIC_STRING_ASYNC_GENERATOR_FUNCTION_UL = "AsyncGeneratorFunction"
 LIT_MAGIC_STRING_GET_OWN_PROPERTY_DESCRIPTOR_UL = "getOwnPropertyDescriptor"
 LIT_MAGIC_STRING_GET_OWN_PROPERTY_DESCRIPTORS_UL = "getOwnPropertyDescriptors"