1/* Copyright JS Foundation and other contributors, http://js.foundation 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16#ifndef JS_PARSER_H 17#define JS_PARSER_H 18 19#include "ecma-globals.h" 20 21/** \addtogroup parser Parser 22 * @{ 23 * 24 * \addtogroup jsparser JavaScript 25 * @{ 26 * 27 * \addtogroup jsparser_parser Parser 28 * @{ 29 */ 30 31/** 32 * Error codes. 33 */ 34typedef enum 35{ 36 PARSER_ERR_NO_ERROR, /**< no error */ 37 38 PARSER_ERR_OUT_OF_MEMORY, /**< out of memory */ 39 PARSER_ERR_LITERAL_LIMIT_REACHED, /**< maximum number of literals reached */ 40 PARSER_ERR_SCOPE_STACK_LIMIT_REACHED, /**< maximum depth of scope stack reached */ 41 PARSER_ERR_ARGUMENT_LIMIT_REACHED, /**< maximum number of function arguments reached */ 42 PARSER_ERR_STACK_LIMIT_REACHED, /**< maximum function stack size reached */ 43 PARSER_ERR_JERRY_STACK_LIMIT_REACHED, /**< maximum jerry context stack limit reached */ 44 45 PARSER_ERR_INVALID_CHARACTER, /**< unexpected character */ 46 PARSER_ERR_INVALID_OCTAL_DIGIT, /**< invalid octal digit */ 47 PARSER_ERR_INVALID_HEX_DIGIT, /**< invalid hexadecimal digit */ 48#if ENABLED (JERRY_ES2015) 49 PARSER_ERR_INVALID_BIN_DIGIT, /**< invalid binary digit */ 50#endif /* ENABLED (JERRY_ES2015) */ 51 PARSER_ERR_INVALID_ESCAPE_SEQUENCE, /**< invalid escape sequence */ 52 PARSER_ERR_INVALID_UNICODE_ESCAPE_SEQUENCE, /**< invalid unicode escape sequence */ 53 PARSER_ERR_INVALID_IDENTIFIER_START, /**< character cannot be start of an identifier */ 54 PARSER_ERR_INVALID_IDENTIFIER_PART, /**< character cannot be part of an identifier */ 55 PARSER_ERR_INVALID_KEYWORD, /**< escape sequences are not allowed in keywords */ 56 57 PARSER_ERR_INVALID_NUMBER, /**< invalid number literal */ 58 PARSER_ERR_MISSING_EXPONENT, /**< missing exponent */ 59 PARSER_ERR_IDENTIFIER_AFTER_NUMBER, /**< identifier start after number */ 60 61 PARSER_ERR_INVALID_REGEXP, /**< invalid regular expression */ 62 PARSER_ERR_UNKNOWN_REGEXP_FLAG, /**< unknown regexp flag */ 63 PARSER_ERR_DUPLICATED_REGEXP_FLAG, /**< duplicated regexp flag */ 64 PARSER_ERR_UNSUPPORTED_REGEXP, /**< regular expression is not supported */ 65 66 PARSER_ERR_IDENTIFIER_TOO_LONG, /**< too long identifier */ 67 PARSER_ERR_STRING_TOO_LONG, /**< too long string literal */ 68 PARSER_ERR_NUMBER_TOO_LONG, /**< too long number literal */ 69 PARSER_ERR_REGEXP_TOO_LONG, /**< too long regexp literal */ 70 71 PARSER_ERR_UNTERMINATED_MULTILINE_COMMENT, /**< unterminated multiline comment */ 72 PARSER_ERR_UNTERMINATED_STRING, /**< unterminated string literal */ 73 PARSER_ERR_UNTERMINATED_REGEXP, /**< unterminated regexp literal */ 74 75 PARSER_ERR_NEWLINE_NOT_ALLOWED, /**< newline is not allowed */ 76 PARSER_ERR_OCTAL_NUMBER_NOT_ALLOWED, /**< octal numbers are not allowed in strict mode */ 77 PARSER_ERR_OCTAL_ESCAPE_NOT_ALLOWED, /**< octal escape sequences are not allowed in strict mode */ 78 PARSER_ERR_STRICT_IDENT_NOT_ALLOWED, /**< identifier name is reserved in strict mode */ 79 PARSER_ERR_EVAL_NOT_ALLOWED, /**< eval is not allowed here in strict mode */ 80 PARSER_ERR_ARGUMENTS_NOT_ALLOWED, /**< arguments is not allowed here in strict mode */ 81#if ENABLED (JERRY_ES2015) 82 PARSER_ERR_USE_STRICT_NOT_ALLOWED, /**< use strict directive is not allowed */ 83 PARSER_ERR_YIELD_NOT_ALLOWED, /**< yield expression is not allowed */ 84 PARSER_ERR_AWAIT_NOT_ALLOWED, /**< await expression is not allowed */ 85 PARSER_ERR_FOR_IN_OF_DECLARATION, /**< variable declaration in for-in or for-of loop */ 86 PARSER_ERR_DUPLICATED_PROTO, /**< duplicated __proto__ fields are not allowed */ 87#endif /* ENABLED (JERRY_ES2015) */ 88 PARSER_ERR_DELETE_IDENT_NOT_ALLOWED, /**< identifier delete is not allowed in strict mode */ 89 PARSER_ERR_EVAL_CANNOT_ASSIGNED, /**< eval cannot be assigned in strict mode */ 90 PARSER_ERR_ARGUMENTS_CANNOT_ASSIGNED, /**< arguments cannot be assigned in strict mode */ 91 PARSER_ERR_WITH_NOT_ALLOWED, /**< with statement is not allowed in strict mode */ 92 PARSER_ERR_MULTIPLE_DEFAULTS_NOT_ALLOWED, /**< multiple default cases are not allowed */ 93 PARSER_ERR_DEFAULT_NOT_IN_SWITCH, /**< default statement is not in switch block */ 94 PARSER_ERR_CASE_NOT_IN_SWITCH, /**< case statement is not in switch block */ 95 96 PARSER_ERR_LEFT_PAREN_EXPECTED, /**< left paren expected */ 97 PARSER_ERR_LEFT_BRACE_EXPECTED, /**< left brace expected */ 98 PARSER_ERR_RIGHT_PAREN_EXPECTED, /**< right paren expected */ 99 PARSER_ERR_RIGHT_SQUARE_EXPECTED, /**< right square expected */ 100 101 PARSER_ERR_COLON_EXPECTED, /**< colon expected */ 102 PARSER_ERR_COLON_FOR_CONDITIONAL_EXPECTED, /**< colon expected for conditional expression */ 103 PARSER_ERR_SEMICOLON_EXPECTED, /**< semicolon expected */ 104 PARSER_ERR_IN_EXPECTED, /**< in keyword expected */ 105 PARSER_ERR_WHILE_EXPECTED, /**< while expected for do-while loop */ 106 PARSER_ERR_CATCH_FINALLY_EXPECTED, /**< catch or finally expected */ 107 PARSER_ERR_ARRAY_ITEM_SEPARATOR_EXPECTED, /**< array item separator expected */ 108 PARSER_ERR_OBJECT_ITEM_SEPARATOR_EXPECTED, /**< object item separator expected */ 109 PARSER_ERR_IDENTIFIER_EXPECTED, /**< identifier expected */ 110 PARSER_ERR_EXPRESSION_EXPECTED, /**< expression expected */ 111 PARSER_ERR_PRIMARY_EXP_EXPECTED, /**< primary expression expected */ 112 PARSER_ERR_LEFT_HAND_SIDE_EXP_EXPECTED, /**< left-hand-side expression expected */ 113 PARSER_ERR_STATEMENT_EXPECTED, /**< statement expected */ 114 PARSER_ERR_PROPERTY_IDENTIFIER_EXPECTED, /**< property identifier expected */ 115 PARSER_ERR_ARGUMENT_LIST_EXPECTED, /**< argument list expected */ 116 PARSER_ERR_NO_ARGUMENTS_EXPECTED, /**< property getters must have no arguments */ 117 PARSER_ERR_ONE_ARGUMENT_EXPECTED, /**< property setters must have one argument */ 118 119 PARSER_ERR_INVALID_EXPRESSION, /**< invalid expression */ 120 PARSER_ERR_INVALID_SWITCH, /**< invalid switch body */ 121 PARSER_ERR_INVALID_BREAK, /**< break must be inside a loop or switch */ 122 PARSER_ERR_INVALID_BREAK_LABEL, /**< break target not found */ 123 PARSER_ERR_INVALID_CONTINUE, /**< continue must be inside a loop */ 124 PARSER_ERR_INVALID_CONTINUE_LABEL, /**< continue target not found */ 125 PARSER_ERR_INVALID_RETURN, /**< return must be inside a function */ 126 PARSER_ERR_INVALID_RIGHT_SQUARE, /**< right square must terminate a block */ 127 PARSER_ERR_DUPLICATED_LABEL, /**< duplicated label */ 128 PARSER_ERR_OBJECT_PROPERTY_REDEFINED, /**< property of object literal redefined */ 129#if ENABLED (JERRY_ES2015) 130 PARSER_ERR_VARIABLE_REDECLARED, /**< a variable redeclared */ 131 PARSER_ERR_LEXICAL_SINGLE_STATEMENT, /**< lexical declaration in single statement context */ 132 PARSER_ERR_LABELLED_FUNC_NOT_IN_BLOCK, /**< labelled functions are only allowed inside blocks */ 133 PARSER_ERR_LEXICAL_LET_BINDING, /**< let binding cannot be declared in let/const */ 134 PARSER_ERR_MISSING_ASSIGN_AFTER_CONST, /**< an assignment is required after a const declaration */ 135 136 PARSER_ERR_MULTIPLE_CLASS_CONSTRUCTORS, /**< multiple class constructor */ 137 PARSER_ERR_CLASS_CONSTRUCTOR_AS_ACCESSOR, /**< class constructor cannot be an accessor */ 138 PARSER_ERR_CLASS_CONSTRUCTOR_AS_GENERATOR, /**< class constructor cannot be a generator */ 139 PARSER_ERR_CLASS_STATIC_PROTOTYPE, /**< static method name 'prototype' is not allowed */ 140 PARSER_ERR_UNEXPECTED_SUPER_KEYWORD, /**< unexpected super keyword */ 141 142 PARSER_ERR_RIGHT_BRACE_EXPECTED, /**< right brace expected */ 143 PARSER_ERR_OF_EXPECTED, /**< of keyword expected */ 144 145 PARSER_ERR_ASSIGNMENT_EXPECTED, /**< assignment expression expected */ 146 PARSER_ERR_FORMAL_PARAM_AFTER_REST_PARAMETER, /**< formal parameter after rest parameter */ 147 PARSER_ERR_SETTER_REST_PARAMETER, /**< setter rest parameter */ 148 PARSER_ERR_REST_PARAMETER_DEFAULT_INITIALIZER, /**< rest parameter default initializer */ 149 PARSER_ERR_DUPLICATED_ARGUMENT_NAMES, /**< duplicated argument names */ 150 PARSER_ERR_INVALID_DESTRUCTURING_PATTERN, /**< invalid destructuring pattern */ 151 PARSER_ERR_ILLEGAL_PROPERTY_IN_DECLARATION, /**< illegal property in declaration context */ 152 PARSER_ERR_INVALID_EXPONENTIATION, /**< left operand of ** operator cannot be unary expression */ 153 PARSER_ERR_NEW_TARGET_EXPECTED, /**< expected new.target expression */ 154 PARSER_ERR_NEW_TARGET_NOT_ALLOWED, /**< new.target is not allowed in the given context */ 155#endif /* ENABLED (JERRY_ES2015) */ 156#if ENABLED (JERRY_ES2015_MODULE_SYSTEM) 157 PARSER_ERR_FILE_NOT_FOUND, /**< file not found*/ 158 PARSER_ERR_FROM_EXPECTED, /**< from expected */ 159 PARSER_ERR_FROM_COMMA_EXPECTED, /**< from or comma expected */ 160 PARSER_ERR_AS_EXPECTED, /**< as expected */ 161 PARSER_ERR_STRING_EXPECTED, /**< string literal expected */ 162 PARSER_ERR_MODULE_UNEXPECTED, /**< unexpected import or export statement */ 163 PARSER_ERR_LEFT_BRACE_MULTIPLY_LITERAL_EXPECTED, /**< left brace or multiply or literal expected */ 164 PARSER_ERR_LEFT_BRACE_MULTIPLY_EXPECTED, /**< left brace or multiply expected */ 165 PARSER_ERR_RIGHT_BRACE_COMMA_EXPECTED, /**< right brace or comma expected */ 166 PARSER_ERR_DUPLICATED_EXPORT_IDENTIFIER, /**< duplicated export identifier name */ 167 PARSER_ERR_DUPLICATED_IMPORT_BINDING, /**< duplicated import binding name */ 168#endif /* ENABLED (JERRY_ES2015_MODULE_SYSTEM) */ 169 170 PARSER_ERR_NON_STRICT_ARG_DEFINITION /**< non-strict argument definition */ 171} parser_error_t; 172 173/** 174 * Source code line counter type. 175 */ 176typedef uint32_t parser_line_counter_t; 177 178/** 179 * Error code location. 180 */ 181typedef struct 182{ 183 parser_error_t error; /**< error code */ 184 parser_line_counter_t line; /**< line where the error occured */ 185 parser_line_counter_t column; /**< column where the error occured */ 186} parser_error_location_t; 187 188/* Note: source must be a valid UTF-8 string */ 189ecma_value_t parser_parse_script (const uint8_t *arg_list_p, size_t arg_list_size, 190 const uint8_t *source_p, size_t source_size, 191 uint32_t parse_opts, ecma_compiled_code_t **bytecode_data_p); 192 193#if ENABLED (JERRY_ERROR_MESSAGES) 194const char *parser_error_to_string (parser_error_t); 195#endif /* ENABLED (JERRY_ERROR_MESSAGES) */ 196 197/** 198 * @} 199 * @} 200 * @} 201 */ 202 203#endif /* !JS_PARSER_H */ 204