Add support of ReferenceError early error to parser.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
2015-07-13 21:58:38 +03:00
parent 06d0c1806d
commit 44b7b95781
11 changed files with 242 additions and 166 deletions
@@ -0,0 +1,93 @@
+/* Copyright 2014-2015 Samsung Electronics Co., Ltd.
+ *
+ * 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 JSP_EARLY_ERROR_H
+#define JSP_EARLY_ERROR_H
+
+#include "jrt-libc-includes.h"
+#include "lexer.h"
+#include "opcodes-dumper.h"
+
+#ifndef JERRY_NDEBUG
+#define PARSE_ERROR_PRINT_PLACE(TYPE, LOCUS) do { \
+  size_t line, column; \
+  lexer_locus_to_line_and_column ((LOCUS), &line, &column); \
+  lexer_dump_line (line); \
+  printf ("\n"); \
+  for (size_t i = 0; i < column; i++) { \
+    putchar (' '); \
+  } \
+  printf ("^\n"); \
+  printf ("%s: Ln %lu, Col %lu: ", TYPE, (unsigned long) (line + 1), (unsigned long) (column + 1)); \
+} while (0)
+#define PARSE_ERROR(type, MESSAGE, LOCUS) do { \
+  locus __loc = LOCUS; \
+  PARSE_ERROR_PRINT_PLACE ("ERROR", __loc); \
+  printf ("%s\n", MESSAGE); \
+  jsp_early_error_raise_error (type); \
+} while (0)
+#define PARSE_ERROR_VARG(type, MESSAGE, LOCUS, ...) do { \
+  locus __loc = LOCUS; \
+  PARSE_ERROR_PRINT_PLACE ("ERROR", __loc); \
+  printf (MESSAGE, __VA_ARGS__); \
+  printf ("\n"); \
+  jsp_early_error_raise_error (type); \
+} while (0)
+#else /* JERRY_NDEBUG */
+#define PARSE_ERROR(type, MESSAGE, LOCUS) do { \
+  jsp_early_error_raise_error (type); \
+} while (0)
+#define PARSE_ERROR_VARG(type, MESSAGE, LOCUS, ...) do { \
+  jsp_early_error_raise_error (type); \
+} while (0)
+#endif /* JERRY_NDEBUG */
+
+typedef enum __attr_packed___
+{
+  PROP_DATA,
+  PROP_SET,
+  PROP_GET,
+  VARG
+} prop_type;
+
+/**
+ * Early error types (ECMA-262 v5, 16)
+ */
+typedef enum
+{
+  JSP_EARLY_ERROR__NO_ERROR, /** initializer value (indicates that no error occured) */
+  JSP_EARLY_ERROR_SYNTAX, /**< SyntaxError */
+  JSP_EARLY_ERROR_REFERENCE /**< ReferenceError */
+} jsp_early_error_t;
+
+void jsp_early_error_init (void);
+void jsp_early_error_free (void);
+
+void jsp_early_error_start_checking_of_prop_names (void);
+void jsp_early_error_add_prop_name (operand, prop_type);
+void jsp_early_error_check_for_duplication_of_prop_names (bool, locus);
+
+void jsp_early_error_start_checking_of_vargs (void);
+void jsp_early_error_add_varg (operand);
+void jsp_early_error_check_for_eval_and_arguments_in_strict_mode (operand, bool, locus);
+void jsp_early_error_check_for_syntax_errors_in_formal_param_list (bool, locus);
+
+void jsp_early_error_check_delete (bool, locus);
+
+jmp_buf * jsp_early_error_get_early_error_longjmp_label (void);
+void __attribute__((noreturn)) jsp_early_error_raise_error (jsp_early_error_t type);
+jsp_early_error_t jsp_early_error_get_type (void);
+
+#endif /* JSP_EARLY_ERROR_H */