diff --git a/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c b/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c
deleted file mode 100644
index a2f43ab..0000000
--- a/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c
+++ /dev/null
@@ -1,1340 +0,0 @@
-/* A Bison parser, made by GNU Bison 3.8.2. */
-
-/* Bison implementation for Yacc-like parsers in C
-
- Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation,
- Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <https://www.gnu.org/licenses/>. */
-
-/* As a special exception, you may create a larger work that contains
- part or all of the Bison parser skeleton and distribute that work
- under terms of your choice, so long as that work isn't itself a
- parser generator using the skeleton or a modified version thereof
- as a parser skeleton. Alternatively, if you modify or redistribute
- the parser skeleton itself, you may (at your option) remove this
- special exception, which will cause the skeleton and the resulting
- Bison output files to be licensed under the GNU General Public
- License without this special exception.
-
- This special exception was added by the Free Software Foundation in
- version 2.2 of Bison. */
-
-/* C LALR(1) parser skeleton written by Richard Stallman, by
- simplifying the original so-called "semantic" parser. */
-
-/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
- especially those whose name start with YY_ or yy_. They are
- private implementation details that can be changed or removed. */
-
-/* All symbols defined below should begin with yy or YY, to avoid
- infringing on user name space. This should be done even for local
- variables, as they might otherwise be expanded by user macros.
- There are some unavoidable exceptions within include files to
- define necessary library symbols; they are noted "INFRINGES ON
- USER NAME SPACE" below. */
-
-/* Identify Bison output, and Bison version. */
-#define YYBISON 30802
-
-/* Bison version string. */
-#define YYBISON_VERSION "3.8.2"
-
-/* Skeleton name. */
-#define YYSKELETON_NAME "yacc.c"
-
-/* Pure parsers. */
-#define YYPURE 0
-
-/* Push parsers. */
-#define YYPUSH 0
-
-/* Pull parsers. */
-#define YYPULL 1
-
-
-
-
-/* First part of user prologue. */
-#line 1 "src/monitor/sdb/addrexp.y"
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <stdint.h>
- extern int yylex(void);
- void yyerror(uint32_t *result, const char *s) {
- fprintf(stderr, "Error: %s\n", s);
- }
-
-#line 81 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
-
-# ifndef YY_CAST
-# ifdef __cplusplus
-# define YY_CAST(Type, Val) static_cast<Type> (Val)
-# define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast<Type> (Val)
-# else
-# define YY_CAST(Type, Val) ((Type) (Val))
-# define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val))
-# endif
-# endif
-# ifndef YY_NULLPTR
-# if defined __cplusplus
-# if 201103L <= __cplusplus
-# define YY_NULLPTR nullptr
-# else
-# define YY_NULLPTR 0
-# endif
-# else
-# define YY_NULLPTR ((void*)0)
-# endif
-# endif
-
-#include "addrexp.h"
-/* Symbol kind. */
-enum yysymbol_kind_t
-{
- YYSYMBOL_YYEMPTY = -2,
- YYSYMBOL_YYEOF = 0, /* "end of file" */
- YYSYMBOL_YYerror = 1, /* error */
- YYSYMBOL_YYUNDEF = 2, /* "invalid token" */
- YYSYMBOL_NUMBER = 3, /* NUMBER */
- YYSYMBOL_HEX_NUMBER = 4, /* HEX_NUMBER */
- YYSYMBOL_5_ = 5, /* '+' */
- YYSYMBOL_6_ = 6, /* '-' */
- YYSYMBOL_7_ = 7, /* '*' */
- YYSYMBOL_8_ = 8, /* '/' */
- YYSYMBOL_9_ = 9, /* '(' */
- YYSYMBOL_10_ = 10, /* ')' */
- YYSYMBOL_YYACCEPT = 11, /* $accept */
- YYSYMBOL_input = 12, /* input */
- YYSYMBOL_expression = 13, /* expression */
- YYSYMBOL_term = 14, /* term */
- YYSYMBOL_factor = 15 /* factor */
-};
-typedef enum yysymbol_kind_t yysymbol_kind_t;
-
-
-
-
-#ifdef short
-# undef short
-#endif
-
-/* On compilers that do not define __PTRDIFF_MAX__ etc., make sure
- <limits.h> and (if available) <stdint.h> are included
- so that the code can choose integer types of a good width. */
-
-#ifndef __PTRDIFF_MAX__
-# include <limits.h> /* INFRINGES ON USER NAME SPACE */
-# if defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
-# include <stdint.h> /* INFRINGES ON USER NAME SPACE */
-# define YY_STDINT_H
-# endif
-#endif
-
-/* Narrow types that promote to a signed type and that can represent a
- signed or unsigned integer of at least N bits. In tables they can
- save space and decrease cache pressure. Promoting to a signed type
- helps avoid bugs in integer arithmetic. */
-
-#ifdef __INT_LEAST8_MAX__
-typedef __INT_LEAST8_TYPE__ yytype_int8;
-#elif defined YY_STDINT_H
-typedef int_least8_t yytype_int8;
-#else
-typedef signed char yytype_int8;
-#endif
-
-#ifdef __INT_LEAST16_MAX__
-typedef __INT_LEAST16_TYPE__ yytype_int16;
-#elif defined YY_STDINT_H
-typedef int_least16_t yytype_int16;
-#else
-typedef short yytype_int16;
-#endif
-
-/* Work around bug in HP-UX 11.23, which defines these macros
- incorrectly for preprocessor constants. This workaround can likely
- be removed in 2023, as HPE has promised support for HP-UX 11.23
- (aka HP-UX 11i v2) only through the end of 2022; see Table 2 of
- <https://h20195.www2.hpe.com/V2/getpdf.aspx/4AA4-7673ENW.pdf>. */
-#ifdef __hpux
-# undef UINT_LEAST8_MAX
-# undef UINT_LEAST16_MAX
-# define UINT_LEAST8_MAX 255
-# define UINT_LEAST16_MAX 65535
-#endif
-
-#if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__
-typedef __UINT_LEAST8_TYPE__ yytype_uint8;
-#elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \
- && UINT_LEAST8_MAX <= INT_MAX)
-typedef uint_least8_t yytype_uint8;
-#elif !defined __UINT_LEAST8_MAX__ && UCHAR_MAX <= INT_MAX
-typedef unsigned char yytype_uint8;
-#else
-typedef short yytype_uint8;
-#endif
-
-#if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__
-typedef __UINT_LEAST16_TYPE__ yytype_uint16;
-#elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \
- && UINT_LEAST16_MAX <= INT_MAX)
-typedef uint_least16_t yytype_uint16;
-#elif !defined __UINT_LEAST16_MAX__ && USHRT_MAX <= INT_MAX
-typedef unsigned short yytype_uint16;
-#else
-typedef int yytype_uint16;
-#endif
-
-#ifndef YYPTRDIFF_T
-# if defined __PTRDIFF_TYPE__ && defined __PTRDIFF_MAX__
-# define YYPTRDIFF_T __PTRDIFF_TYPE__
-# define YYPTRDIFF_MAXIMUM __PTRDIFF_MAX__
-# elif defined PTRDIFF_MAX
-# ifndef ptrdiff_t
-# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
-# endif
-# define YYPTRDIFF_T ptrdiff_t
-# define YYPTRDIFF_MAXIMUM PTRDIFF_MAX
-# else
-# define YYPTRDIFF_T long
-# define YYPTRDIFF_MAXIMUM LONG_MAX
-# endif
-#endif
-
-#ifndef YYSIZE_T
-# ifdef __SIZE_TYPE__
-# define YYSIZE_T __SIZE_TYPE__
-# elif defined size_t
-# define YYSIZE_T size_t
-# elif defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
-# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
-# define YYSIZE_T size_t
-# else
-# define YYSIZE_T unsigned
-# endif
-#endif
-
-#define YYSIZE_MAXIMUM \
- YY_CAST (YYPTRDIFF_T, \
- (YYPTRDIFF_MAXIMUM < YY_CAST (YYSIZE_T, -1) \
- ? YYPTRDIFF_MAXIMUM \
- : YY_CAST (YYSIZE_T, -1)))
-
-#define YYSIZEOF(X) YY_CAST (YYPTRDIFF_T, sizeof (X))
-
-
-/* Stored state numbers (used for stacks). */
-typedef yytype_int8 yy_state_t;
-
-/* State numbers in computations. */
-typedef int yy_state_fast_t;
-
-#ifndef YY_
-# if defined YYENABLE_NLS && YYENABLE_NLS
-# if ENABLE_NLS
-# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
-# define YY_(Msgid) dgettext ("bison-runtime", Msgid)
-# endif
-# endif
-# ifndef YY_
-# define YY_(Msgid) Msgid
-# endif
-#endif
-
-
-#ifndef YY_ATTRIBUTE_PURE
-# if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__)
-# define YY_ATTRIBUTE_PURE __attribute__ ((__pure__))
-# else
-# define YY_ATTRIBUTE_PURE
-# endif
-#endif
-
-#ifndef YY_ATTRIBUTE_UNUSED
-# if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
-# define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__))
-# else
-# define YY_ATTRIBUTE_UNUSED
-# endif
-#endif
-
-/* Suppress unused-variable warnings by "using" E. */
-#if ! defined lint || defined __GNUC__
-# define YY_USE(E) ((void) (E))
-#else
-# define YY_USE(E) /* empty */
-#endif
-
-/* Suppress an incorrect diagnostic about yylval being uninitialized. */
-#if defined __GNUC__ && ! defined __ICC && 406 <= __GNUC__ * 100 + __GNUC_MINOR__
-# if __GNUC__ * 100 + __GNUC_MINOR__ < 407
-# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
- _Pragma ("GCC diagnostic push") \
- _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")
-# else
-# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
- _Pragma ("GCC diagnostic push") \
- _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") \
- _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
-# endif
-# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
- _Pragma ("GCC diagnostic pop")
-#else
-# define YY_INITIAL_VALUE(Value) Value
-#endif
-#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
-# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
-# define YY_IGNORE_MAYBE_UNINITIALIZED_END
-#endif
-#ifndef YY_INITIAL_VALUE
-# define YY_INITIAL_VALUE(Value) /* Nothing. */
-#endif
-
-#if defined __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__
-# define YY_IGNORE_USELESS_CAST_BEGIN \
- _Pragma ("GCC diagnostic push") \
- _Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"")
-# define YY_IGNORE_USELESS_CAST_END \
- _Pragma ("GCC diagnostic pop")
-#endif
-#ifndef YY_IGNORE_USELESS_CAST_BEGIN
-# define YY_IGNORE_USELESS_CAST_BEGIN
-# define YY_IGNORE_USELESS_CAST_END
-#endif
-
-
-#define YY_ASSERT(E) ((void) (0 && (E)))
-
-#if !defined yyoverflow
-
-/* The parser invokes alloca or malloc; define the necessary symbols. */
-
-# ifdef YYSTACK_USE_ALLOCA
-# if YYSTACK_USE_ALLOCA
-# ifdef __GNUC__
-# define YYSTACK_ALLOC __builtin_alloca
-# elif defined __BUILTIN_VA_ARG_INCR
-# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
-# elif defined _AIX
-# define YYSTACK_ALLOC __alloca
-# elif defined _MSC_VER
-# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
-# define alloca _alloca
-# else
-# define YYSTACK_ALLOC alloca
-# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
-# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
- /* Use EXIT_SUCCESS as a witness for stdlib.h. */
-# ifndef EXIT_SUCCESS
-# define EXIT_SUCCESS 0
-# endif
-# endif
-# endif
-# endif
-# endif
-
-# ifdef YYSTACK_ALLOC
- /* Pacify GCC's 'empty if-body' warning. */
-# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
-# ifndef YYSTACK_ALLOC_MAXIMUM
- /* The OS might guarantee only one guard page at the bottom of the stack,
- and a page size can be as small as 4096 bytes. So we cannot safely
- invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
- to allow for a few compiler-allocated temporary stack slots. */
-# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
-# endif
-# else
-# define YYSTACK_ALLOC YYMALLOC
-# define YYSTACK_FREE YYFREE
-# ifndef YYSTACK_ALLOC_MAXIMUM
-# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
-# endif
-# if (defined __cplusplus && ! defined EXIT_SUCCESS \
- && ! ((defined YYMALLOC || defined malloc) \
- && (defined YYFREE || defined free)))
-# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
-# ifndef EXIT_SUCCESS
-# define EXIT_SUCCESS 0
-# endif
-# endif
-# ifndef YYMALLOC
-# define YYMALLOC malloc
-# if ! defined malloc && ! defined EXIT_SUCCESS
-void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
-# endif
-# endif
-# ifndef YYFREE
-# define YYFREE free
-# if ! defined free && ! defined EXIT_SUCCESS
-void free (void *); /* INFRINGES ON USER NAME SPACE */
-# endif
-# endif
-# endif
-#endif /* !defined yyoverflow */
-
-#if (! defined yyoverflow \
- && (! defined __cplusplus \
- || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
-
-/* A type that is properly aligned for any stack member. */
-union yyalloc
-{
- yy_state_t yyss_alloc;
- YYSTYPE yyvs_alloc;
-};
-
-/* The size of the maximum gap between one aligned stack and the next. */
-# define YYSTACK_GAP_MAXIMUM (YYSIZEOF (union yyalloc) - 1)
-
-/* The size of an array large to enough to hold all stacks, each with
- N elements. */
-# define YYSTACK_BYTES(N) \
- ((N) * (YYSIZEOF (yy_state_t) + YYSIZEOF (YYSTYPE)) \
- + YYSTACK_GAP_MAXIMUM)
-
-# define YYCOPY_NEEDED 1
-
-/* Relocate STACK from its old location to the new one. The
- local variables YYSIZE and YYSTACKSIZE give the old and new number of
- elements in the stack, and YYPTR gives the new location of the
- stack. Advance YYPTR to a properly aligned location for the next
- stack. */
-# define YYSTACK_RELOCATE(Stack_alloc, Stack) \
- do \
- { \
- YYPTRDIFF_T yynewbytes; \
- YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
- Stack = &yyptr->Stack_alloc; \
- yynewbytes = yystacksize * YYSIZEOF (*Stack) + YYSTACK_GAP_MAXIMUM; \
- yyptr += yynewbytes / YYSIZEOF (*yyptr); \
- } \
- while (0)
-
-#endif
-
-#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
-/* Copy COUNT objects from SRC to DST. The source and destination do
- not overlap. */
-# ifndef YYCOPY
-# if defined __GNUC__ && 1 < __GNUC__
-# define YYCOPY(Dst, Src, Count) \
- __builtin_memcpy (Dst, Src, YY_CAST (YYSIZE_T, (Count)) * sizeof (*(Src)))
-# else
-# define YYCOPY(Dst, Src, Count) \
- do \
- { \
- YYPTRDIFF_T yyi; \
- for (yyi = 0; yyi < (Count); yyi++) \
- (Dst)[yyi] = (Src)[yyi]; \
- } \
- while (0)
-# endif
-# endif
-#endif /* !YYCOPY_NEEDED */
-
-/* YYFINAL -- State number of the termination state. */
-#define YYFINAL 11
-/* YYLAST -- Last index in YYTABLE. */
-#define YYLAST 17
-
-/* YYNTOKENS -- Number of terminals. */
-#define YYNTOKENS 11
-/* YYNNTS -- Number of nonterminals. */
-#define YYNNTS 5
-/* YYNRULES -- Number of rules. */
-#define YYNRULES 12
-/* YYNSTATES -- Number of states. */
-#define YYNSTATES 21
-
-/* YYMAXUTOK -- Last valid token kind. */
-#define YYMAXUTOK 259
-
-
-/* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM
- as returned by yylex, with out-of-bounds checking. */
-#define YYTRANSLATE(YYX) \
- (0 <= (YYX) && (YYX) <= YYMAXUTOK \
- ? YY_CAST (yysymbol_kind_t, yytranslate[YYX]) \
- : YYSYMBOL_YYUNDEF)
-
-/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
- as returned by yylex. */
-static const yytype_int8 yytranslate[] =
-{
- 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 9, 10, 7, 5, 2, 6, 2, 8, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 1, 2, 3, 4
-};
-
-#if YYDEBUG
-/* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
-static const yytype_int8 yyrline[] =
-{
- 0, 18, 18, 22, 23, 24, 28, 29, 30, 34,
- 35, 36, 37
-};
-#endif
-
-/** Accessing symbol of state STATE. */
-#define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State])
-
-#if YYDEBUG || 0
-/* The user-facing name of the symbol whose (internal) number is
- YYSYMBOL. No bounds checking. */
-static const char *yysymbol_name (yysymbol_kind_t yysymbol) YY_ATTRIBUTE_UNUSED;
-
-/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
- First, the terminals, then, starting at YYNTOKENS, nonterminals. */
-static const char *const yytname[] =
-{
- "\"end of file\"", "error", "\"invalid token\"", "NUMBER", "HEX_NUMBER",
- "'+'", "'-'", "'*'", "'/'", "'('", "')'", "$accept", "input",
- "expression", "term", "factor", YY_NULLPTR
-};
-
-static const char *
-yysymbol_name (yysymbol_kind_t yysymbol)
-{
- return yytname[yysymbol];
-}
-#endif
-
-#define YYPACT_NINF (-4)
-
-#define yypact_value_is_default(Yyn) \
- ((Yyn) == YYPACT_NINF)
-
-#define YYTABLE_NINF (-1)
-
-#define yytable_value_is_error(Yyn) \
- 0
-
-/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
- STATE-NUM. */
-static const yytype_int8 yypact[] =
-{
- -2, -4, -4, -2, -2, 15, 3, 6, -4, -4,
- 0, -4, -2, -2, -2, -2, -4, 6, 6, -4,
- -4
-};
-
-/* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
- Performed when YYTABLE does not specify something else to do. Zero
- means the default is an error. */
-static const yytype_int8 yydefact[] =
-{
- 0, 9, 10, 0, 0, 0, 2, 3, 6, 11,
- 0, 1, 0, 0, 0, 0, 12, 4, 5, 7,
- 8
-};
-
-/* YYPGOTO[NTERM-NUM]. */
-static const yytype_int8 yypgoto[] =
-{
- -4, -4, -1, 4, -3
-};
-
-/* YYDEFGOTO[NTERM-NUM]. */
-static const yytype_int8 yydefgoto[] =
-{
- 0, 5, 6, 7, 8
-};
-
-/* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If
- positive, shift that token. If negative, reduce the rule whose
- number is the opposite. If YYTABLE_NINF, syntax error. */
-static const yytype_int8 yytable[] =
-{
- 9, 1, 2, 10, 3, 12, 13, 4, 12, 13,
- 16, 19, 20, 14, 15, 11, 17, 18
-};
-
-static const yytype_int8 yycheck[] =
-{
- 3, 3, 4, 4, 6, 5, 6, 9, 5, 6,
- 10, 14, 15, 7, 8, 0, 12, 13
-};
-
-/* YYSTOS[STATE-NUM] -- The symbol kind of the accessing symbol of
- state STATE-NUM. */
-static const yytype_int8 yystos[] =
-{
- 0, 3, 4, 6, 9, 12, 13, 14, 15, 15,
- 13, 0, 5, 6, 7, 8, 10, 14, 14, 15,
- 15
-};
-
-/* YYR1[RULE-NUM] -- Symbol kind of the left-hand side of rule RULE-NUM. */
-static const yytype_int8 yyr1[] =
-{
- 0, 11, 12, 13, 13, 13, 14, 14, 14, 15,
- 15, 15, 15
-};
-
-/* YYR2[RULE-NUM] -- Number of symbols on the right-hand side of rule RULE-NUM. */
-static const yytype_int8 yyr2[] =
-{
- 0, 2, 1, 1, 3, 3, 1, 3, 3, 1,
- 1, 2, 3
-};
-
-
-enum { YYENOMEM = -2 };
-
-#define yyerrok (yyerrstatus = 0)
-#define yyclearin (yychar = YYEMPTY)
-
-#define YYACCEPT goto yyacceptlab
-#define YYABORT goto yyabortlab
-#define YYERROR goto yyerrorlab
-#define YYNOMEM goto yyexhaustedlab
-
-
-#define YYRECOVERING() (!!yyerrstatus)
-
-#define YYBACKUP(Token, Value) \
- do \
- if (yychar == YYEMPTY) \
- { \
- yychar = (Token); \
- yylval = (Value); \
- YYPOPSTACK (yylen); \
- yystate = *yyssp; \
- goto yybackup; \
- } \
- else \
- { \
- yyerror (result, YY_("syntax error: cannot back up")); \
- YYERROR; \
- } \
- while (0)
-
-/* Backward compatibility with an undocumented macro.
- Use YYerror or YYUNDEF. */
-#define YYERRCODE YYUNDEF
-
-
-/* Enable debugging if requested. */
-#if YYDEBUG
-
-# ifndef YYFPRINTF
-# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
-# define YYFPRINTF fprintf
-# endif
-
-# define YYDPRINTF(Args) \
-do { \
- if (yydebug) \
- YYFPRINTF Args; \
-} while (0)
-
-
-
-
-# define YY_SYMBOL_PRINT(Title, Kind, Value, Location) \
-do { \
- if (yydebug) \
- { \
- YYFPRINTF (stderr, "%s ", Title); \
- yy_symbol_print (stderr, \
- Kind, Value, result); \
- YYFPRINTF (stderr, "\n"); \
- } \
-} while (0)
-
-
-/*-----------------------------------.
-| Print this symbol's value on YYO. |
-`-----------------------------------*/
-
-static void
-yy_symbol_value_print (FILE *yyo,
- yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep, uint32_t *result)
-{
- FILE *yyoutput = yyo;
- YY_USE (yyoutput);
- YY_USE (result);
- if (!yyvaluep)
- return;
- YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
- YY_USE (yykind);
- YY_IGNORE_MAYBE_UNINITIALIZED_END
-}
-
-
-/*---------------------------.
-| Print this symbol on YYO. |
-`---------------------------*/
-
-static void
-yy_symbol_print (FILE *yyo,
- yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep, uint32_t *result)
-{
- YYFPRINTF (yyo, "%s %s (",
- yykind < YYNTOKENS ? "token" : "nterm", yysymbol_name (yykind));
-
- yy_symbol_value_print (yyo, yykind, yyvaluep, result);
- YYFPRINTF (yyo, ")");
-}
-
-/*------------------------------------------------------------------.
-| yy_stack_print -- Print the state stack from its BOTTOM up to its |
-| TOP (included). |
-`------------------------------------------------------------------*/
-
-static void
-yy_stack_print (yy_state_t *yybottom, yy_state_t *yytop)
-{
- YYFPRINTF (stderr, "Stack now");
- for (; yybottom <= yytop; yybottom++)
- {
- int yybot = *yybottom;
- YYFPRINTF (stderr, " %d", yybot);
- }
- YYFPRINTF (stderr, "\n");
-}
-
-# define YY_STACK_PRINT(Bottom, Top) \
-do { \
- if (yydebug) \
- yy_stack_print ((Bottom), (Top)); \
-} while (0)
-
-
-/*------------------------------------------------.
-| Report that the YYRULE is going to be reduced. |
-`------------------------------------------------*/
-
-static void
-yy_reduce_print (yy_state_t *yyssp, YYSTYPE *yyvsp,
- int yyrule, uint32_t *result)
-{
- int yylno = yyrline[yyrule];
- int yynrhs = yyr2[yyrule];
- int yyi;
- YYFPRINTF (stderr, "Reducing stack by rule %d (line %d):\n",
- yyrule - 1, yylno);
- /* The symbols being reduced. */
- for (yyi = 0; yyi < yynrhs; yyi++)
- {
- YYFPRINTF (stderr, " $%d = ", yyi + 1);
- yy_symbol_print (stderr,
- YY_ACCESSING_SYMBOL (+yyssp[yyi + 1 - yynrhs]),
- &yyvsp[(yyi + 1) - (yynrhs)], result);
- YYFPRINTF (stderr, "\n");
- }
-}
-
-# define YY_REDUCE_PRINT(Rule) \
-do { \
- if (yydebug) \
- yy_reduce_print (yyssp, yyvsp, Rule, result); \
-} while (0)
-
-/* Nonzero means print parse trace. It is left uninitialized so that
- multiple parsers can coexist. */
-int yydebug;
-#else /* !YYDEBUG */
-# define YYDPRINTF(Args) ((void) 0)
-# define YY_SYMBOL_PRINT(Title, Kind, Value, Location)
-# define YY_STACK_PRINT(Bottom, Top)
-# define YY_REDUCE_PRINT(Rule)
-#endif /* !YYDEBUG */
-
-
-/* YYINITDEPTH -- initial size of the parser's stacks. */
-#ifndef YYINITDEPTH
-# define YYINITDEPTH 200
-#endif
-
-/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
- if the built-in stack extension method is used).
-
- Do not make this value too large; the results are undefined if
- YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
- evaluated with infinite-precision integer arithmetic. */
-
-#ifndef YYMAXDEPTH
-# define YYMAXDEPTH 10000
-#endif
-
-
-
-
-
-
-/*-----------------------------------------------.
-| Release the memory associated to this symbol. |
-`-----------------------------------------------*/
-
-static void
-yydestruct (const char *yymsg,
- yysymbol_kind_t yykind, YYSTYPE *yyvaluep, uint32_t *result)
-{
- YY_USE (yyvaluep);
- YY_USE (result);
- if (!yymsg)
- yymsg = "Deleting";
- YY_SYMBOL_PRINT (yymsg, yykind, yyvaluep, yylocationp);
-
- YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
- YY_USE (yykind);
- YY_IGNORE_MAYBE_UNINITIALIZED_END
-}
-
-
-/* Lookahead token kind. */
-int yychar;
-
-/* The semantic value of the lookahead symbol. */
-YYSTYPE yylval;
-/* Number of syntax errors so far. */
-int yynerrs;
-
-
-
-
-/*----------.
-| yyparse. |
-`----------*/
-
-int
-yyparse (uint32_t *result)
-{
- yy_state_fast_t yystate = 0;
- /* Number of tokens to shift before error messages enabled. */
- int yyerrstatus = 0;
-
- /* Refer to the stacks through separate pointers, to allow yyoverflow
- to reallocate them elsewhere. */
-
- /* Their size. */
- YYPTRDIFF_T yystacksize = YYINITDEPTH;
-
- /* The state stack: array, bottom, top. */
- yy_state_t yyssa[YYINITDEPTH];
- yy_state_t *yyss = yyssa;
- yy_state_t *yyssp = yyss;
-
- /* The semantic value stack: array, bottom, top. */
- YYSTYPE yyvsa[YYINITDEPTH];
- YYSTYPE *yyvs = yyvsa;
- YYSTYPE *yyvsp = yyvs;
-
- int yyn;
- /* The return value of yyparse. */
- int yyresult;
- /* Lookahead symbol kind. */
- yysymbol_kind_t yytoken = YYSYMBOL_YYEMPTY;
- /* The variables used to return semantic value and location from the
- action routines. */
- YYSTYPE yyval;
-
-
-
-#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N))
-
- /* The number of symbols on the RHS of the reduced rule.
- Keep to zero when no symbol should be popped. */
- int yylen = 0;
-
- YYDPRINTF ((stderr, "Starting parse\n"));
-
- yychar = YYEMPTY; /* Cause a token to be read. */
-
- goto yysetstate;
-
-
-/*------------------------------------------------------------.
-| yynewstate -- push a new state, which is found in yystate. |
-`------------------------------------------------------------*/
-yynewstate:
- /* In all cases, when you get here, the value and location stacks
- have just been pushed. So pushing a state here evens the stacks. */
- yyssp++;
-
-
-/*--------------------------------------------------------------------.
-| yysetstate -- set current state (the top of the stack) to yystate. |
-`--------------------------------------------------------------------*/
-yysetstate:
- YYDPRINTF ((stderr, "Entering state %d\n", yystate));
- YY_ASSERT (0 <= yystate && yystate < YYNSTATES);
- YY_IGNORE_USELESS_CAST_BEGIN
- *yyssp = YY_CAST (yy_state_t, yystate);
- YY_IGNORE_USELESS_CAST_END
- YY_STACK_PRINT (yyss, yyssp);
-
- if (yyss + yystacksize - 1 <= yyssp)
-#if !defined yyoverflow && !defined YYSTACK_RELOCATE
- YYNOMEM;
-#else
- {
- /* Get the current used size of the three stacks, in elements. */
- YYPTRDIFF_T yysize = yyssp - yyss + 1;
-
-# if defined yyoverflow
- {
- /* Give user a chance to reallocate the stack. Use copies of
- these so that the &'s don't force the real ones into
- memory. */
- yy_state_t *yyss1 = yyss;
- YYSTYPE *yyvs1 = yyvs;
-
- /* Each stack pointer address is followed by the size of the
- data in use in that stack, in bytes. This used to be a
- conditional around just the two extra args, but that might
- be undefined if yyoverflow is a macro. */
- yyoverflow (YY_("memory exhausted"),
- &yyss1, yysize * YYSIZEOF (*yyssp),
- &yyvs1, yysize * YYSIZEOF (*yyvsp),
- &yystacksize);
- yyss = yyss1;
- yyvs = yyvs1;
- }
-# else /* defined YYSTACK_RELOCATE */
- /* Extend the stack our own way. */
- if (YYMAXDEPTH <= yystacksize)
- YYNOMEM;
- yystacksize *= 2;
- if (YYMAXDEPTH < yystacksize)
- yystacksize = YYMAXDEPTH;
-
- {
- yy_state_t *yyss1 = yyss;
- union yyalloc *yyptr =
- YY_CAST (union yyalloc *,
- YYSTACK_ALLOC (YY_CAST (YYSIZE_T, YYSTACK_BYTES (yystacksize))));
- if (! yyptr)
- YYNOMEM;
- YYSTACK_RELOCATE (yyss_alloc, yyss);
- YYSTACK_RELOCATE (yyvs_alloc, yyvs);
-# undef YYSTACK_RELOCATE
- if (yyss1 != yyssa)
- YYSTACK_FREE (yyss1);
- }
-# endif
-
- yyssp = yyss + yysize - 1;
- yyvsp = yyvs + yysize - 1;
-
- YY_IGNORE_USELESS_CAST_BEGIN
- YYDPRINTF ((stderr, "Stack size increased to %ld\n",
- YY_CAST (long, yystacksize)));
- YY_IGNORE_USELESS_CAST_END
-
- if (yyss + yystacksize - 1 <= yyssp)
- YYABORT;
- }
-#endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */
-
-
- if (yystate == YYFINAL)
- YYACCEPT;
-
- goto yybackup;
-
-
-/*-----------.
-| yybackup. |
-`-----------*/
-yybackup:
- /* Do appropriate processing given the current state. Read a
- lookahead token if we need one and don't already have one. */
-
- /* First try to decide what to do without reference to lookahead token. */
- yyn = yypact[yystate];
- if (yypact_value_is_default (yyn))
- goto yydefault;
-
- /* Not known => get a lookahead token if don't already have one. */
-
- /* YYCHAR is either empty, or end-of-input, or a valid lookahead. */
- if (yychar == YYEMPTY)
- {
- YYDPRINTF ((stderr, "Reading a token\n"));
- yychar = yylex ();
- }
-
- if (yychar <= YYEOF)
- {
- yychar = YYEOF;
- yytoken = YYSYMBOL_YYEOF;
- YYDPRINTF ((stderr, "Now at end of input.\n"));
- }
- else if (yychar == YYerror)
- {
- /* The scanner already issued an error message, process directly
- to error recovery. But do not keep the error token as
- lookahead, it is too special and may lead us to an endless
- loop in error recovery. */
- yychar = YYUNDEF;
- yytoken = YYSYMBOL_YYerror;
- goto yyerrlab1;
- }
- else
- {
- yytoken = YYTRANSLATE (yychar);
- YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
- }
-
- /* If the proper action on seeing token YYTOKEN is to reduce or to
- detect an error, take that action. */
- yyn += yytoken;
- if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
- goto yydefault;
- yyn = yytable[yyn];
- if (yyn <= 0)
- {
- if (yytable_value_is_error (yyn))
- goto yyerrlab;
- yyn = -yyn;
- goto yyreduce;
- }
-
- /* Count tokens shifted since error; after three, turn off error
- status. */
- if (yyerrstatus)
- yyerrstatus--;
-
- /* Shift the lookahead token. */
- YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
- yystate = yyn;
- YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
- *++yyvsp = yylval;
- YY_IGNORE_MAYBE_UNINITIALIZED_END
-
- /* Discard the shifted token. */
- yychar = YYEMPTY;
- goto yynewstate;
-
-
-/*-----------------------------------------------------------.
-| yydefault -- do the default action for the current state. |
-`-----------------------------------------------------------*/
-yydefault:
- yyn = yydefact[yystate];
- if (yyn == 0)
- goto yyerrlab;
- goto yyreduce;
-
-
-/*-----------------------------.
-| yyreduce -- do a reduction. |
-`-----------------------------*/
-yyreduce:
- /* yyn is the number of a rule to reduce with. */
- yylen = yyr2[yyn];
-
- /* If YYLEN is nonzero, implement the default value of the action:
- '$$ = $1'.
-
- Otherwise, the following line sets YYVAL to garbage.
- This behavior is undocumented and Bison
- users should not rely upon it. Assigning to YYVAL
- unconditionally makes the parser a bit smaller, and it avoids a
- GCC warning that YYVAL may be used uninitialized. */
- yyval = yyvsp[1-yylen];
-
-
- YY_REDUCE_PRINT (yyn);
- switch (yyn)
- {
- case 2: /* input: expression */
-#line 18 "src/monitor/sdb/addrexp.y"
- { printf("Final Result: %d\n", yyvsp[0]); *result = yyvsp[0]; }
-#line 1083 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
- break;
-
- case 3: /* expression: term */
-#line 22 "src/monitor/sdb/addrexp.y"
- { yyval = yyvsp[0]; }
-#line 1089 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
- break;
-
- case 4: /* expression: expression '+' term */
-#line 23 "src/monitor/sdb/addrexp.y"
- { yyval = yyvsp[-2] + yyvsp[0]; }
-#line 1095 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
- break;
-
- case 5: /* expression: expression '-' term */
-#line 24 "src/monitor/sdb/addrexp.y"
- { yyval = yyvsp[-2] - yyvsp[0]; }
-#line 1101 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
- break;
-
- case 6: /* term: factor */
-#line 28 "src/monitor/sdb/addrexp.y"
- { yyval = yyvsp[0]; }
-#line 1107 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
- break;
-
- case 7: /* term: term '*' factor */
-#line 29 "src/monitor/sdb/addrexp.y"
- { yyval = yyvsp[-2] * yyvsp[0]; }
-#line 1113 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
- break;
-
- case 8: /* term: term '/' factor */
-#line 30 "src/monitor/sdb/addrexp.y"
- { yyval = yyvsp[-2] / yyvsp[0]; }
-#line 1119 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
- break;
-
- case 9: /* factor: NUMBER */
-#line 34 "src/monitor/sdb/addrexp.y"
- { yyval = yyvsp[0]; }
-#line 1125 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
- break;
-
- case 10: /* factor: HEX_NUMBER */
-#line 35 "src/monitor/sdb/addrexp.y"
- { yyval = yyvsp[0]; }
-#line 1131 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
- break;
-
- case 11: /* factor: '-' factor */
-#line 36 "src/monitor/sdb/addrexp.y"
- { yyval = -yyvsp[0]; }
-#line 1137 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
- break;
-
- case 12: /* factor: '(' expression ')' */
-#line 37 "src/monitor/sdb/addrexp.y"
- { yyval = yyvsp[-1]; }
-#line 1143 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
- break;
-
-
-#line 1147 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.tag.c"
-
- default: break;
- }
- /* User semantic actions sometimes alter yychar, and that requires
- that yytoken be updated with the new translation. We take the
- approach of translating immediately before every use of yytoken.
- One alternative is translating here after every semantic action,
- but that translation would be missed if the semantic action invokes
- YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
- if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an
- incorrect destructor might then be invoked immediately. In the
- case of YYERROR or YYBACKUP, subsequent parser actions might lead
- to an incorrect destructor call or verbose syntax error message
- before the lookahead is translated. */
- YY_SYMBOL_PRINT ("-> $$ =", YY_CAST (yysymbol_kind_t, yyr1[yyn]), &yyval, &yyloc);
-
- YYPOPSTACK (yylen);
- yylen = 0;
-
- *++yyvsp = yyval;
-
- /* Now 'shift' the result of the reduction. Determine what state
- that goes to, based on the state we popped back to and the rule
- number reduced by. */
- {
- const int yylhs = yyr1[yyn] - YYNTOKENS;
- const int yyi = yypgoto[yylhs] + *yyssp;
- yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp
- ? yytable[yyi]
- : yydefgoto[yylhs]);
- }
-
- goto yynewstate;
-
-
-/*--------------------------------------.
-| yyerrlab -- here on detecting error. |
-`--------------------------------------*/
-yyerrlab:
- /* Make sure we have latest lookahead translation. See comments at
- user semantic actions for why this is necessary. */
- yytoken = yychar == YYEMPTY ? YYSYMBOL_YYEMPTY : YYTRANSLATE (yychar);
- /* If not already recovering from an error, report this error. */
- if (!yyerrstatus)
- {
- ++yynerrs;
- yyerror (result, YY_("syntax error"));
- }
-
- if (yyerrstatus == 3)
- {
- /* If just tried and failed to reuse lookahead token after an
- error, discard it. */
-
- if (yychar <= YYEOF)
- {
- /* Return failure if at end of input. */
- if (yychar == YYEOF)
- YYABORT;
- }
- else
- {
- yydestruct ("Error: discarding",
- yytoken, &yylval, result);
- yychar = YYEMPTY;
- }
- }
-
- /* Else will try to reuse lookahead token after shifting the error
- token. */
- goto yyerrlab1;
-
-
-/*---------------------------------------------------.
-| yyerrorlab -- error raised explicitly by YYERROR. |
-`---------------------------------------------------*/
-yyerrorlab:
- /* Pacify compilers when the user code never invokes YYERROR and the
- label yyerrorlab therefore never appears in user code. */
- if (0)
- YYERROR;
- ++yynerrs;
-
- /* Do not reclaim the symbols of the rule whose action triggered
- this YYERROR. */
- YYPOPSTACK (yylen);
- yylen = 0;
- YY_STACK_PRINT (yyss, yyssp);
- yystate = *yyssp;
- goto yyerrlab1;
-
-
-/*-------------------------------------------------------------.
-| yyerrlab1 -- common code for both syntax error and YYERROR. |
-`-------------------------------------------------------------*/
-yyerrlab1:
- yyerrstatus = 3; /* Each real token shifted decrements this. */
-
- /* Pop stack until we find a state that shifts the error token. */
- for (;;)
- {
- yyn = yypact[yystate];
- if (!yypact_value_is_default (yyn))
- {
- yyn += YYSYMBOL_YYerror;
- if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYSYMBOL_YYerror)
- {
- yyn = yytable[yyn];
- if (0 < yyn)
- break;
- }
- }
-
- /* Pop the current state because it cannot handle the error token. */
- if (yyssp == yyss)
- YYABORT;
-
-
- yydestruct ("Error: popping",
- YY_ACCESSING_SYMBOL (yystate), yyvsp, result);
- YYPOPSTACK (1);
- yystate = *yyssp;
- YY_STACK_PRINT (yyss, yyssp);
- }
-
- YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
- *++yyvsp = yylval;
- YY_IGNORE_MAYBE_UNINITIALIZED_END
-
-
- /* Shift the error token. */
- YY_SYMBOL_PRINT ("Shifting", YY_ACCESSING_SYMBOL (yyn), yyvsp, yylsp);
-
- yystate = yyn;
- goto yynewstate;
-
-
-/*-------------------------------------.
-| yyacceptlab -- YYACCEPT comes here. |
-`-------------------------------------*/
-yyacceptlab:
- yyresult = 0;
- goto yyreturnlab;
-
-
-/*-----------------------------------.
-| yyabortlab -- YYABORT comes here. |
-`-----------------------------------*/
-yyabortlab:
- yyresult = 1;
- goto yyreturnlab;
-
-
-/*-----------------------------------------------------------.
-| yyexhaustedlab -- YYNOMEM (memory exhaustion) comes here. |
-`-----------------------------------------------------------*/
-yyexhaustedlab:
- yyerror (result, YY_("memory exhausted"));
- yyresult = 2;
- goto yyreturnlab;
-
-
-/*----------------------------------------------------------.
-| yyreturnlab -- parsing is finished, clean up and return. |
-`----------------------------------------------------------*/
-yyreturnlab:
- if (yychar != YYEMPTY)
- {
- /* Make sure we have latest lookahead translation. See comments at
- user semantic actions for why this is necessary. */
- yytoken = YYTRANSLATE (yychar);
- yydestruct ("Cleanup: discarding lookahead",
- yytoken, &yylval, result);
- }
- /* Do not reclaim the symbols of the rule whose action triggered
- this YYABORT or YYACCEPT. */
- YYPOPSTACK (yylen);
- YY_STACK_PRINT (yyss, yyssp);
- while (yyssp != yyss)
- {
- yydestruct ("Cleanup: popping",
- YY_ACCESSING_SYMBOL (+*yyssp), yyvsp, result);
- YYPOPSTACK (1);
- }
-#ifndef yyoverflow
- if (yyss != yyssa)
- YYSTACK_FREE (yyss);
-#endif
-
- return yyresult;
-}
-
-#line 40 "src/monitor/sdb/addrexp.y"
-
diff --git a/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.yy.c b/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.yy.c
deleted file mode 100644
index 5b05720..0000000
--- a/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.yy.c
+++ /dev/null
@@ -1,1770 +0,0 @@
-#line 1 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.yy.c"
-
-#line 3 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.yy.c"
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-
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-
-
-#line 676 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.yy.c"
-
- while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */
- {
- yy_cp = (yy_c_buf_p);
-
- /* Support of yytext. */
- *yy_cp = (yy_hold_char);
-
- /* yy_bp points to the position in yy_ch_buf of the start of
- * the current run.
- */
- yy_bp = yy_cp;
-
- yy_current_state = (yy_start);
-yy_match:
- do
- {
- YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
- if ( yy_accept[yy_current_state] )
- {
- (yy_last_accepting_state) = yy_current_state;
- (yy_last_accepting_cpos) = yy_cp;
- }
- while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
- {
- yy_current_state = (int) yy_def[yy_current_state];
- if ( yy_current_state >= 15 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
- ++yy_cp;
- }
- while ( yy_base[yy_current_state] != 15 );
-
-yy_find_action:
- yy_act = yy_accept[yy_current_state];
- if ( yy_act == 0 )
- { /* have to back up */
- yy_cp = (yy_last_accepting_cpos);
- yy_current_state = (yy_last_accepting_state);
- yy_act = yy_accept[yy_current_state];
- }
-
- YY_DO_BEFORE_ACTION;
-
-do_action: /* This label is used only to access EOF actions. */
-
- switch ( yy_act )
- { /* beginning of action switch */
- case 0: /* must back up */
- /* undo the effects of YY_DO_BEFORE_ACTION */
- *yy_cp = (yy_hold_char);
- yy_cp = (yy_last_accepting_cpos);
- yy_current_state = (yy_last_accepting_state);
- goto yy_find_action;
-
-case 1:
-YY_RULE_SETUP
-#line 8 "src/monitor/sdb/addrexp.l"
-{ yylval = strtol(yytext, NULL, 16); return HEX_NUMBER; }
- YY_BREAK
-case 2:
-YY_RULE_SETUP
-#line 9 "src/monitor/sdb/addrexp.l"
-{ yylval = atoi(yytext); return NUMBER; }
- YY_BREAK
-case 3:
-YY_RULE_SETUP
-#line 10 "src/monitor/sdb/addrexp.l"
-{ return *yytext; }
- YY_BREAK
-case 4:
-YY_RULE_SETUP
-#line 11 "src/monitor/sdb/addrexp.l"
-{ }
- YY_BREAK
-case 5:
-YY_RULE_SETUP
-#line 12 "src/monitor/sdb/addrexp.l"
-{ printf("Unexpected character: %s\n", yytext); }
- YY_BREAK
-case 6:
-YY_RULE_SETUP
-#line 13 "src/monitor/sdb/addrexp.l"
-ECHO;
- YY_BREAK
-#line 763 "/home/xin/repo/ysyx-workbench/nemu/build/obj-riscv32-nemu-interpreter/src/monitor/sdb/addrexp.yy.c"
-case YY_STATE_EOF(INITIAL):
- yyterminate();
-
- case YY_END_OF_BUFFER:
- {
- /* Amount of text matched not including the EOB char. */
- int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
-
- /* Undo the effects of YY_DO_BEFORE_ACTION. */
- *yy_cp = (yy_hold_char);
- YY_RESTORE_YY_MORE_OFFSET
-
- if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
- {
- /* We're scanning a new file or input source. It's
- * possible that this happened because the user
- * just pointed yyin at a new source and called
- * yylex(). If so, then we have to assure
- * consistency between YY_CURRENT_BUFFER and our
- * globals. Here is the right place to do so, because
- * this is the first action (other than possibly a
- * back-up) that will match for the new input source.
- */
- (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
- YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
- YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
- }
-
- /* Note that here we test for yy_c_buf_p "<=" to the position
- * of the first EOB in the buffer, since yy_c_buf_p will
- * already have been incremented past the NUL character
- * (since all states make transitions on EOB to the
- * end-of-buffer state). Contrast this with the test
- * in input().
- */
- if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
- { /* This was really a NUL. */
- yy_state_type yy_next_state;
-
- (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
-
- yy_current_state = yy_get_previous_state( );
-
- /* Okay, we're now positioned to make the NUL
- * transition. We couldn't have
- * yy_get_previous_state() go ahead and do it
- * for us because it doesn't know how to deal
- * with the possibility of jamming (and we don't
- * want to build jamming into it because then it
- * will run more slowly).
- */
-
- yy_next_state = yy_try_NUL_trans( yy_current_state );
-
- yy_bp = (yytext_ptr) + YY_MORE_ADJ;
-
- if ( yy_next_state )
- {
- /* Consume the NUL. */
- yy_cp = ++(yy_c_buf_p);
- yy_current_state = yy_next_state;
- goto yy_match;
- }
-
- else
- {
- yy_cp = (yy_c_buf_p);
- goto yy_find_action;
- }
- }
-
- else switch ( yy_get_next_buffer( ) )
- {
- case EOB_ACT_END_OF_FILE:
- {
- (yy_did_buffer_switch_on_eof) = 0;
-
- if ( yywrap( ) )
- {
- /* Note: because we've taken care in
- * yy_get_next_buffer() to have set up
- * yytext, we can now set up
- * yy_c_buf_p so that if some total
- * hoser (like flex itself) wants to
- * call the scanner after we return the
- * YY_NULL, it'll still work - another
- * YY_NULL will get returned.
- */
- (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
-
- yy_act = YY_STATE_EOF(YY_START);
- goto do_action;
- }
-
- else
- {
- if ( ! (yy_did_buffer_switch_on_eof) )
- YY_NEW_FILE;
- }
- break;
- }
-
- case EOB_ACT_CONTINUE_SCAN:
- (yy_c_buf_p) =
- (yytext_ptr) + yy_amount_of_matched_text;
-
- yy_current_state = yy_get_previous_state( );
-
- yy_cp = (yy_c_buf_p);
- yy_bp = (yytext_ptr) + YY_MORE_ADJ;
- goto yy_match;
-
- case EOB_ACT_LAST_MATCH:
- (yy_c_buf_p) =
- &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
-
- yy_current_state = yy_get_previous_state( );
-
- yy_cp = (yy_c_buf_p);
- yy_bp = (yytext_ptr) + YY_MORE_ADJ;
- goto yy_find_action;
- }
- break;
- }
-
- default:
- YY_FATAL_ERROR(
- "fatal flex scanner internal error--no action found" );
- } /* end of action switch */
- } /* end of scanning one token */
- } /* end of user's declarations */
-} /* end of yylex */
-
-/* yy_get_next_buffer - try to read in a new buffer
- *
- * Returns a code representing an action:
- * EOB_ACT_LAST_MATCH -
- * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
- * EOB_ACT_END_OF_FILE - end of file
- */
-static int yy_get_next_buffer (void)
-{
- char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
- char *source = (yytext_ptr);
- int number_to_move, i;
- int ret_val;
-
- if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
- YY_FATAL_ERROR(
- "fatal flex scanner internal error--end of buffer missed" );
-
- if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
- { /* Don't try to fill the buffer, so this is an EOF. */
- if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
- {
- /* We matched a single character, the EOB, so
- * treat this as a final EOF.
- */
- return EOB_ACT_END_OF_FILE;
- }
-
- else
- {
- /* We matched some text prior to the EOB, first
- * process it.
- */
- return EOB_ACT_LAST_MATCH;
- }
- }
-
- /* Try to read more data. */
-
- /* First move last chars to start of buffer. */
- number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr) - 1);
-
- for ( i = 0; i < number_to_move; ++i )
- *(dest++) = *(source++);
-
- if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
- /* don't do the read, it's not guaranteed to return an EOF,
- * just force an EOF
- */
- YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
-
- else
- {
- int num_to_read =
- YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
-
- while ( num_to_read <= 0 )
- { /* Not enough room in the buffer - grow it. */
-
- /* just a shorter name for the current buffer */
- YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
-
- int yy_c_buf_p_offset =
- (int) ((yy_c_buf_p) - b->yy_ch_buf);
-
- if ( b->yy_is_our_buffer )
- {
- int new_size = b->yy_buf_size * 2;
-
- if ( new_size <= 0 )
- b->yy_buf_size += b->yy_buf_size / 8;
- else
- b->yy_buf_size *= 2;
-
- b->yy_ch_buf = (char *)
- /* Include room in for 2 EOB chars. */
- yyrealloc( (void *) b->yy_ch_buf,
- (yy_size_t) (b->yy_buf_size + 2) );
- }
- else
- /* Can't grow it, we don't own it. */
- b->yy_ch_buf = NULL;
-
- if ( ! b->yy_ch_buf )
- YY_FATAL_ERROR(
- "fatal error - scanner input buffer overflow" );
-
- (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
-
- num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
- number_to_move - 1;
-
- }
-
- if ( num_to_read > YY_READ_BUF_SIZE )
- num_to_read = YY_READ_BUF_SIZE;
-
- /* Read in more data. */
- YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
- (yy_n_chars), num_to_read );
-
- YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
- }
-
- if ( (yy_n_chars) == 0 )
- {
- if ( number_to_move == YY_MORE_ADJ )
- {
- ret_val = EOB_ACT_END_OF_FILE;
- yyrestart( yyin );
- }
-
- else
- {
- ret_val = EOB_ACT_LAST_MATCH;
- YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
- YY_BUFFER_EOF_PENDING;
- }
- }
-
- else
- ret_val = EOB_ACT_CONTINUE_SCAN;
-
- if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
- /* Extend the array by 50%, plus the number we really need. */
- int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
- YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
- (void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size );
- if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
- YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
- /* "- 2" to take care of EOB's */
- YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2);
- }
-
- (yy_n_chars) += number_to_move;
- YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
- YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
-
- (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
-
- return ret_val;
-}
-
-/* yy_get_previous_state - get the state just before the EOB char was reached */
-
- static yy_state_type yy_get_previous_state (void)
-{
- yy_state_type yy_current_state;
- char *yy_cp;
-
- yy_current_state = (yy_start);
-
- for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
- {
- YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
- if ( yy_accept[yy_current_state] )
- {
- (yy_last_accepting_state) = yy_current_state;
- (yy_last_accepting_cpos) = yy_cp;
- }
- while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
- {
- yy_current_state = (int) yy_def[yy_current_state];
- if ( yy_current_state >= 15 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
- }
-
- return yy_current_state;
-}
-
-/* yy_try_NUL_trans - try to make a transition on the NUL character
- *
- * synopsis
- * next_state = yy_try_NUL_trans( current_state );
- */
- static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
-{
- int yy_is_jam;
- char *yy_cp = (yy_c_buf_p);
-
- YY_CHAR yy_c = 1;
- if ( yy_accept[yy_current_state] )
- {
- (yy_last_accepting_state) = yy_current_state;
- (yy_last_accepting_cpos) = yy_cp;
- }
- while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
- {
- yy_current_state = (int) yy_def[yy_current_state];
- if ( yy_current_state >= 15 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
- yy_is_jam = (yy_current_state == 14);
-
- return yy_is_jam ? 0 : yy_current_state;
-}
-
-#ifndef YY_NO_UNPUT
-
- static void yyunput (int c, char * yy_bp )
-{
- char *yy_cp;
-
- yy_cp = (yy_c_buf_p);
-
- /* undo effects of setting up yytext */
- *yy_cp = (yy_hold_char);
-
- if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
- { /* need to shift things up to make room */
- /* +2 for EOB chars. */
- int number_to_move = (yy_n_chars) + 2;
- char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
- YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
- char *source =
- &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
-
- while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
- *--dest = *--source;
-
- yy_cp += (int) (dest - source);
- yy_bp += (int) (dest - source);
- YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
- (yy_n_chars) = (int) YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
-
- if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
- YY_FATAL_ERROR( "flex scanner push-back overflow" );
- }
-
- *--yy_cp = (char) c;
-
- (yytext_ptr) = yy_bp;
- (yy_hold_char) = *yy_cp;
- (yy_c_buf_p) = yy_cp;
-}
-
-#endif
-
-#ifndef YY_NO_INPUT
-#ifdef __cplusplus
- static int yyinput (void)
-#else
- static int input (void)
-#endif
-
-{
- int c;
-
- *(yy_c_buf_p) = (yy_hold_char);
-
- if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
- {
- /* yy_c_buf_p now points to the character we want to return.
- * If this occurs *before* the EOB characters, then it's a
- * valid NUL; if not, then we've hit the end of the buffer.
- */
- if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
- /* This was really a NUL. */
- *(yy_c_buf_p) = '\0';
-
- else
- { /* need more input */
- int offset = (int) ((yy_c_buf_p) - (yytext_ptr));
- ++(yy_c_buf_p);
-
- switch ( yy_get_next_buffer( ) )
- {
- case EOB_ACT_LAST_MATCH:
- /* This happens because yy_g_n_b()
- * sees that we've accumulated a
- * token and flags that we need to
- * try matching the token before
- * proceeding. But for input(),
- * there's no matching to consider.
- * So convert the EOB_ACT_LAST_MATCH
- * to EOB_ACT_END_OF_FILE.
- */
-
- /* Reset buffer status. */
- yyrestart( yyin );
-
- /*FALLTHROUGH*/
-
- case EOB_ACT_END_OF_FILE:
- {
- if ( yywrap( ) )
- return 0;
-
- if ( ! (yy_did_buffer_switch_on_eof) )
- YY_NEW_FILE;
-#ifdef __cplusplus
- return yyinput();
-#else
- return input();
-#endif
- }
-
- case EOB_ACT_CONTINUE_SCAN:
- (yy_c_buf_p) = (yytext_ptr) + offset;
- break;
- }
- }
- }
-
- c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */
- *(yy_c_buf_p) = '\0'; /* preserve yytext */
- (yy_hold_char) = *++(yy_c_buf_p);
-
- return c;
-}
-#endif /* ifndef YY_NO_INPUT */
-
-/** Immediately switch to a different input stream.
- * @param input_file A readable stream.
- *
- * @note This function does not reset the start condition to @c INITIAL .
- */
- void yyrestart (FILE * input_file )
-{
-
- if ( ! YY_CURRENT_BUFFER ){
- yyensure_buffer_stack ();
- YY_CURRENT_BUFFER_LVALUE =
- yy_create_buffer( yyin, YY_BUF_SIZE );
- }
-
- yy_init_buffer( YY_CURRENT_BUFFER, input_file );
- yy_load_buffer_state( );
-}
-
-/** Switch to a different input buffer.
- * @param new_buffer The new input buffer.
- *
- */
- void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )
-{
-
- /* TODO. We should be able to replace this entire function body
- * with
- * yypop_buffer_state();
- * yypush_buffer_state(new_buffer);
- */
- yyensure_buffer_stack ();
- if ( YY_CURRENT_BUFFER == new_buffer )
- return;
-
- if ( YY_CURRENT_BUFFER )
- {
- /* Flush out information for old buffer. */
- *(yy_c_buf_p) = (yy_hold_char);
- YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
- YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
- }
-
- YY_CURRENT_BUFFER_LVALUE = new_buffer;
- yy_load_buffer_state( );
-
- /* We don't actually know whether we did this switch during
- * EOF (yywrap()) processing, but the only time this flag
- * is looked at is after yywrap() is called, so it's safe
- * to go ahead and always set it.
- */
- (yy_did_buffer_switch_on_eof) = 1;
-}
-
-static void yy_load_buffer_state (void)
-{
- (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
- (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
- yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
- (yy_hold_char) = *(yy_c_buf_p);
-}
-
-/** Allocate and initialize an input buffer state.
- * @param file A readable stream.
- * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
- *
- * @return the allocated buffer state.
- */
- YY_BUFFER_STATE yy_create_buffer (FILE * file, int size )
-{
- YY_BUFFER_STATE b;
-
- b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) );
- if ( ! b )
- YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-
- b->yy_buf_size = size;
-
- /* yy_ch_buf has to be 2 characters longer than the size given because
- * we need to put in 2 end-of-buffer characters.
- */
- b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) );
- if ( ! b->yy_ch_buf )
- YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-
- b->yy_is_our_buffer = 1;
-
- yy_init_buffer( b, file );
-
- return b;
-}
-
-/** Destroy the buffer.
- * @param b a buffer created with yy_create_buffer()
- *
- */
- void yy_delete_buffer (YY_BUFFER_STATE b )
-{
-
- if ( ! b )
- return;
-
- if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
- YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
-
- if ( b->yy_is_our_buffer )
- yyfree( (void *) b->yy_ch_buf );
-
- yyfree( (void *) b );
-}
-
-/* Initializes or reinitializes a buffer.
- * This function is sometimes called more than once on the same buffer,
- * such as during a yyrestart() or at EOF.
- */
- static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )
-
-{
- int oerrno = errno;
-
- yy_flush_buffer( b );
-
- b->yy_input_file = file;
- b->yy_fill_buffer = 1;
-
- /* If b is the current buffer, then yy_init_buffer was _probably_
- * called from yyrestart() or through yy_get_next_buffer.
- * In that case, we don't want to reset the lineno or column.
- */
- if (b != YY_CURRENT_BUFFER){
- b->yy_bs_lineno = 1;
- b->yy_bs_column = 0;
- }
-
- b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
-
- errno = oerrno;
-}
-
-/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
- * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
- *
- */
- void yy_flush_buffer (YY_BUFFER_STATE b )
-{
- if ( ! b )
- return;
-
- b->yy_n_chars = 0;
-
- /* We always need two end-of-buffer characters. The first causes
- * a transition to the end-of-buffer state. The second causes
- * a jam in that state.
- */
- b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
- b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
-
- b->yy_buf_pos = &b->yy_ch_buf[0];
-
- b->yy_at_bol = 1;
- b->yy_buffer_status = YY_BUFFER_NEW;
-
- if ( b == YY_CURRENT_BUFFER )
- yy_load_buffer_state( );
-}
-
-/** Pushes the new state onto the stack. The new state becomes
- * the current state. This function will allocate the stack
- * if necessary.
- * @param new_buffer The new state.
- *
- */
-void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
-{
- if (new_buffer == NULL)
- return;
-
- yyensure_buffer_stack();
-
- /* This block is copied from yy_switch_to_buffer. */
- if ( YY_CURRENT_BUFFER )
- {
- /* Flush out information for old buffer. */
- *(yy_c_buf_p) = (yy_hold_char);
- YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
- YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
- }
-
- /* Only push if top exists. Otherwise, replace top. */
- if (YY_CURRENT_BUFFER)
- (yy_buffer_stack_top)++;
- YY_CURRENT_BUFFER_LVALUE = new_buffer;
-
- /* copied from yy_switch_to_buffer. */
- yy_load_buffer_state( );
- (yy_did_buffer_switch_on_eof) = 1;
-}
-
-/** Removes and deletes the top of the stack, if present.
- * The next element becomes the new top.
- *
- */
-void yypop_buffer_state (void)
-{
- if (!YY_CURRENT_BUFFER)
- return;
-
- yy_delete_buffer(YY_CURRENT_BUFFER );
- YY_CURRENT_BUFFER_LVALUE = NULL;
- if ((yy_buffer_stack_top) > 0)
- --(yy_buffer_stack_top);
-
- if (YY_CURRENT_BUFFER) {
- yy_load_buffer_state( );
- (yy_did_buffer_switch_on_eof) = 1;
- }
-}
-
-/* Allocates the stack if it does not exist.
- * Guarantees space for at least one push.
- */
-static void yyensure_buffer_stack (void)
-{
- yy_size_t num_to_alloc;
-
- if (!(yy_buffer_stack)) {
-
- /* First allocation is just for 2 elements, since we don't know if this
- * scanner will even need a stack. We use 2 instead of 1 to avoid an
- * immediate realloc on the next call.
- */
- num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
- (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
- (num_to_alloc * sizeof(struct yy_buffer_state*)
- );
- if ( ! (yy_buffer_stack) )
- YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
-
- memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
-
- (yy_buffer_stack_max) = num_to_alloc;
- (yy_buffer_stack_top) = 0;
- return;
- }
-
- if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
-
- /* Increase the buffer to prepare for a possible push. */
- yy_size_t grow_size = 8 /* arbitrary grow size */;
-
- num_to_alloc = (yy_buffer_stack_max) + grow_size;
- (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
- ((yy_buffer_stack),
- num_to_alloc * sizeof(struct yy_buffer_state*)
- );
- if ( ! (yy_buffer_stack) )
- YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
-
- /* zero only the new slots.*/
- memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
- (yy_buffer_stack_max) = num_to_alloc;
- }
-}
-
-/** Setup the input buffer state to scan directly from a user-specified character buffer.
- * @param base the character buffer
- * @param size the size in bytes of the character buffer
- *
- * @return the newly allocated buffer state object.
- */
-YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )
-{
- YY_BUFFER_STATE b;
-
- if ( size < 2 ||
- base[size-2] != YY_END_OF_BUFFER_CHAR ||
- base[size-1] != YY_END_OF_BUFFER_CHAR )
- /* They forgot to leave room for the EOB's. */
- return NULL;
-
- b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) );
- if ( ! b )
- YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
-
- b->yy_buf_size = (int) (size - 2); /* "- 2" to take care of EOB's */
- b->yy_buf_pos = b->yy_ch_buf = base;
- b->yy_is_our_buffer = 0;
- b->yy_input_file = NULL;
- b->yy_n_chars = b->yy_buf_size;
- b->yy_is_interactive = 0;
- b->yy_at_bol = 1;
- b->yy_fill_buffer = 0;
- b->yy_buffer_status = YY_BUFFER_NEW;
-
- yy_switch_to_buffer( b );
-
- return b;
-}
-
-/** Setup the input buffer state to scan a string. The next call to yylex() will
- * scan from a @e copy of @a str.
- * @param yystr a NUL-terminated string to scan
- *
- * @return the newly allocated buffer state object.
- * @note If you want to scan bytes that may contain NUL values, then use
- * yy_scan_bytes() instead.
- */
-YY_BUFFER_STATE yy_scan_string (const char * yystr )
-{
-
- return yy_scan_bytes( yystr, (int) strlen(yystr) );
-}
-
-/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
- * scan from a @e copy of @a bytes.
- * @param yybytes the byte buffer to scan
- * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
- *
- * @return the newly allocated buffer state object.
- */
-YY_BUFFER_STATE yy_scan_bytes (const char * yybytes, int _yybytes_len )
-{
- YY_BUFFER_STATE b;
- char *buf;
- yy_size_t n;
- int i;
-
- /* Get memory for full buffer, including space for trailing EOB's. */
- n = (yy_size_t) (_yybytes_len + 2);
- buf = (char *) yyalloc( n );
- if ( ! buf )
- YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
-
- for ( i = 0; i < _yybytes_len; ++i )
- buf[i] = yybytes[i];
-
- buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
-
- b = yy_scan_buffer( buf, n );
- if ( ! b )
- YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
-
- /* It's okay to grow etc. this buffer, and we should throw it
- * away when we're done.
- */
- b->yy_is_our_buffer = 1;
-
- return b;
-}
-
-#ifndef YY_EXIT_FAILURE
-#define YY_EXIT_FAILURE 2
-#endif
-
-static void yynoreturn yy_fatal_error (const char* msg )
-{
- fprintf( stderr, "%s\n", msg );
- exit( YY_EXIT_FAILURE );
-}
-
-/* Redefine yyless() so it works in section 3 code. */
-
-#undef yyless
-#define yyless(n) \
- do \
- { \
- /* Undo effects of setting up yytext. */ \
- int yyless_macro_arg = (n); \
- YY_LESS_LINENO(yyless_macro_arg);\
- yytext[yyleng] = (yy_hold_char); \
- (yy_c_buf_p) = yytext + yyless_macro_arg; \
- (yy_hold_char) = *(yy_c_buf_p); \
- *(yy_c_buf_p) = '\0'; \
- yyleng = yyless_macro_arg; \
- } \
- while ( 0 )
-
-/* Accessor methods (get/set functions) to struct members. */
-
-/** Get the current line number.
- *
- */
-int yyget_lineno (void)
-{
-
- return yylineno;
-}
-
-/** Get the input stream.
- *
- */
-FILE *yyget_in (void)
-{
- return yyin;
-}
-
-/** Get the output stream.
- *
- */
-FILE *yyget_out (void)
-{
- return yyout;
-}
-
-/** Get the length of the current token.
- *
- */
-int yyget_leng (void)
-{
- return yyleng;
-}
-
-/** Get the current token.
- *
- */
-
-char *yyget_text (void)
-{
- return yytext;
-}
-
-/** Set the current line number.
- * @param _line_number line number
- *
- */
-void yyset_lineno (int _line_number )
-{
-
- yylineno = _line_number;
-}
-
-/** Set the input stream. This does not discard the current
- * input buffer.
- * @param _in_str A readable stream.
- *
- * @see yy_switch_to_buffer
- */
-void yyset_in (FILE * _in_str )
-{
- yyin = _in_str ;
-}
-
-void yyset_out (FILE * _out_str )
-{
- yyout = _out_str ;
-}
-
-int yyget_debug (void)
-{
- return yy_flex_debug;
-}
-
-void yyset_debug (int _bdebug )
-{
- yy_flex_debug = _bdebug ;
-}
-
-static int yy_init_globals (void)
-{
- /* Initialization is the same as for the non-reentrant scanner.
- * This function is called from yylex_destroy(), so don't allocate here.
- */
-
- (yy_buffer_stack) = NULL;
- (yy_buffer_stack_top) = 0;
- (yy_buffer_stack_max) = 0;
- (yy_c_buf_p) = NULL;
- (yy_init) = 0;
- (yy_start) = 0;
-
-/* Defined in main.c */
-#ifdef YY_STDINIT
- yyin = stdin;
- yyout = stdout;
-#else
- yyin = NULL;
- yyout = NULL;
-#endif
-
- /* For future reference: Set errno on error, since we are called by
- * yylex_init()
- */
- return 0;
-}
-
-/* yylex_destroy is for both reentrant and non-reentrant scanners. */
-int yylex_destroy (void)
-{
-
- /* Pop the buffer stack, destroying each element. */
- while(YY_CURRENT_BUFFER){
- yy_delete_buffer( YY_CURRENT_BUFFER );
- YY_CURRENT_BUFFER_LVALUE = NULL;
- yypop_buffer_state();
- }
-
- /* Destroy the stack itself. */
- yyfree((yy_buffer_stack) );
- (yy_buffer_stack) = NULL;
-
- /* Reset the globals. This is important in a non-reentrant scanner so the next time
- * yylex() is called, initialization will occur. */
- yy_init_globals( );
-
- return 0;
-}
-
-/*
- * Internal utility routines.
- */
-
-#ifndef yytext_ptr
-static void yy_flex_strncpy (char* s1, const char * s2, int n )
-{
-
- int i;
- for ( i = 0; i < n; ++i )
- s1[i] = s2[i];
-}
-#endif
-
-#ifdef YY_NEED_STRLEN
-static int yy_flex_strlen (const char * s )
-{
- int n;
- for ( n = 0; s[n]; ++n )
- ;
-
- return n;
-}
-#endif
-
-void *yyalloc (yy_size_t size )
-{
- return malloc(size);
-}
-
-void *yyrealloc (void * ptr, yy_size_t size )
-{
-
- /* The cast to (char *) in the following accommodates both
- * implementations that use char* generic pointers, and those
- * that use void* generic pointers. It works with the latter
- * because both ANSI C and C++ allow castless assignment from
- * any pointer type to void*, and deal with argument conversions
- * as though doing an assignment.
- */
- return realloc(ptr, size);
-}
-
-void yyfree (void * ptr )
-{
- free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
-}
-
-#define YYTABLES_NAME "yytables"
-
-#line 13 "src/monitor/sdb/addrexp.l"
-
-
diff --git a/nemu/src/monitor/sdb/sdb.c b/nemu/src/monitor/sdb/sdb.c
index 5462143..156454b 100644
--- a/nemu/src/monitor/sdb/sdb.c
+++ b/nemu/src/monitor/sdb/sdb.c
@@ -24,6 +24,7 @@
#include <readline/readline.h>
#include <stdint.h>
#include <addrexp.h>
+#include <addrexp_lex.h>
static int is_batch_mode = false;
@@ -134,6 +135,7 @@ static paddr_t parse_expr(const char *arg, bool *success) {
// FIXME: We cannot use `parse_uint` here, it accept `-1234` as input
// paddr_t addr = parse_uint(arg, &res);
// *success = res;
+ yy_scan_string(arg);
paddr_t addr;
*success = yyparse(&addr);
return addr;