Generate parser error messages (#4836)

Support parser error messages generation in tools/gen-strings.py.

JerryScript-DCO-1.0-Signed-off-by: Csaba Repasi repasics@inf.u-szeged.hu

jerry-core/parser/js/parser-errors.h

@@ -0,0 +1,40 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef PARSER_ERRORS_H
+#define PARSER_ERRORS_H
+
+#include "lit-globals.h"
+
+typedef enum
+{
+  PARSER_ERR_EMPTY,
+/** @cond doxygen_suppress */
+#if JERRY_ERROR_MESSAGES
+#define PARSER_ERROR_DEF(id, ascii_zt_string) id,
+#else /* !JERRY_ERROR_MESSAGES */
+#define PARSER_ERROR_DEF(id, ascii_zt_string) id = PARSER_ERR_EMPTY,
+#endif /* JERRY_ERROR_MESSAGES */
+#include "parser-error-messages.inc.h"
+#undef PARSER_ERROR_DEF
+  /** @endcond */
+  PARSER_ERR_OUT_OF_MEMORY,
+  PARSER_ERR_INVALID_REGEXP,
+} parser_error_msg_t;
+
+const lit_utf8_byte_t* parser_get_error_utf8 (uint32_t id);
+lit_utf8_size_t parser_get_error_size (uint32_t id);
+
+#endif /* !PARSER_ERRORS_H */