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Comment: | See ticket [6efa4f571af052]. Reworked the Json/C code to use a bison-pased parser provided by Mikhail. No separate data structures to convert, just direct generation of Tcl structures. Changes compared to the original submission: - Use List, not Dict operations for objects, i.e. be Tcl 8.4 compatible. - Do not generate Int/Double objects, only strings. Conversion to actual int is lazy, when actually needed. Also ensures that compile-time Tcl version does not restrict range of integers, only runtime Tcl version. - Allow all values as toplevel json, not just array and object. - Currently no shared objects for the fixed values (null, true, false). Note that the RE-based json validation is still faster on even moderatly sized strings, even when just using a stripped C lexer not generating token values. Bumped jsonc to version 1.1 and tcllibc to version 0.3.12. |
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Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
11390a7baa2e7e878398c0ff1a360c51 |
User & Date: | andreask 2014-01-06 23:44:12 |
2014-01-07
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21:41 | See ticket [6efa4f571af052]. Worked around issues with the critcl v2 application the Tcllib C code is geared towards. Bumped json version to 1.3.1, jsonc to 1.1.1, and tcllibc to 0.3.13. check-in: 2d0b61da55 user: andreask tags: trunk | |
2014-01-06
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23:44 | See ticket [6efa4f571af052]. Reworked the Json/C code to use a bison-pased parser provided by Mikhail. No separate data structures to convert, just direct generation of Tcl structures. Changes compared to the original submission: - Use List, not Dict operations for objects, i.e. be Tcl 8.4 compatible. - Do not generate Int/Double objects, only strings. Conversion to actual int is lazy, when actually needed. Also ensures that compile-time Tcl version does not restrict range of integers, only runtime Tcl version. - Allow all values as toplevel json, not just array and object. - Currently no shared objects for the fixed values (null, true, false). Note that the RE-based json validation is still faster on even moderatly sized strings, even when just using a stripped C lexer not generating token values. Bumped jsonc to version 1.1 and tcllibc to version 0.3.12. check-in: 11390a7baa user: andreask tags: trunk | |
18:23 | Re-join split trunk check-in: dfdc7799cc user: andreask tags: trunk | |
Changes to modules/json/ChangeLog.
1 2 3 4 5 6 7 8 9 10 11 | 2013-12-11 Andreas Kupries <[email protected]> * c: [Ticket 6efa4f571a]: Integrated a critcl binding of * json.bench: the json-c parser. Moved to a standard * json.man: switchable setup. json2dict and manyy-json2dict * json.tcl: are now switchable to C. Everything else kept * json.test: to Tcl. Note especially that Tcl 'validate' * json.testsuite: (regexp-based) was still faster than json-c. * json_tcl.tcl: Which has no mode for pure syntax checking, * jsonc.tcl: thus overhead with construction of irelevant data * pkgIndex.tcl: structures. Extended testsuite. New benchmark | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | 2014-01-06 Andreas Kupries <[email protected]> See ticket [6efa4f571af052]. c: Removed json-parser files. c/json.y: New parser. c/json.tab.c: Generated parser code. c/json_y.h: Header to binding. jsonc.tcl: json_tcl.tcl: Reworked the Json/C code to use a bison-pased parser provided by Mikhail. No separate data structures to convert, just direct generation of Tcl structures. Changes compared to the original submission: - Use List, not Dict operations for objects, i.e. be Tcl 8.4 compatible. - Do not generate Int/Double objects, only strings. Conversion to actual int is lazy, when actually needed. Also ensures that compile-time Tcl version does not restrict range of integers, only runtime Tcl version. - Allow all values as toplevel json, not just array and object. - Currently no shared objects for the fixed values (null, true, false). Note that the RE-based json validation is still faster on even moderatly sized strings, even when just using a stripped C lexer not generating token values. Bumped jsonc to version 1.1 and tcllibc to version 0.3.12. 2013-12-11 Andreas Kupries <[email protected]> * c: [Ticket 6efa4f571a]: Integrated a critcl binding of * json.bench: the json-c parser. Moved to a standard * json.man: switchable setup. json2dict and manyy-json2dict * json.tcl: are now switchable to C. Everything else kept * json.test: to Tcl. Note especially that Tcl 'validate' * json.testsuite: (regexp-based) was still faster than json-c. * json_tcl.tcl: Which has no mode for pure syntax checking, * jsonc.tcl: thus overhead with construction of irelevant data * pkgIndex.tcl: structures. Extended testsuite. New benchmark * test-data: suite. Version bumped to 1.3. 2013-06-19 Andreas Kupries <[email protected]> * json.man: New command 'many-json2dict' to parse strings * json.pcx: containing more than one JSON entity. The existing * json.tcl: json2dict command will return only the first. Updated * json.test: documentation. Extended testsuite. Package version |
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1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 | /* A Bison parser, made by GNU Bison 2.0. */ /* Skeleton parser for Yacc-like parsing with Bison, Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 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 2, 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, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* As a special exception, when this file is copied by Bison into a Bison output file, you may use that output file without restriction. This special exception was added by the Free Software Foundation in version 1.24 of Bison. */ /* Written by Richard Stallman by simplifying the original so called ``semantic'' parser. */ /* 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. */ #define YYBISON 1 /* Skeleton name. */ #define YYSKELETON_NAME "yacc.c" /* Pure parsers. */ #define YYPURE 0 /* Using locations. */ #define YYLSP_NEEDED 0 /* Tokens. */ #ifndef YYTOKENTYPE # define YYTOKENTYPE /* Put the tokens into the symbol table, so that GDB and other debuggers know about them. */ enum yytokentype { STRING = 258, CONSTANT = 259 }; #endif #define STRING 258 #define CONSTANT 259 /* Copy the first part of user declarations. */ #line 6 "json.y" #include <tcl.h> #include <ctype.h> #include <math.h> #include <string.h> #include <stdlib.h> #include <assert.h> #include <json_y.h> #define TOKEN(tok) TRACE (("TOKEN %s\n", tok)) #define TOKEN1(tok) TRACE (("TOKEN %s (%s)\n", tok, Tcl_GetString(context->obj))) #define REDUCE(rule) TRACE (("REDUCE %s\n", rule)) #define TRUE_O (Tcl_NewStringObj("true", 4)) #define FALSE_O (Tcl_NewStringObj("false", 5)) #define NULL_O (Tcl_NewStringObj("null", 4)) static void jsonerror(struct context *, const char *); static int jsonlexp(struct context *context); #define YYPARSE_PARAM_TYPE void * #define YYPARSE_PARAM context #define YYPARSE_PARAM_DECL #define yylex() jsonlexp(context) #define yyerror(msg) jsonerror(context, msg) #ifndef YYBISON static int yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM); #endif /* Enabling traces. */ #ifndef YYDEBUG # define YYDEBUG 0 #endif /* Enabling verbose error messages. */ #ifdef YYERROR_VERBOSE # undef YYERROR_VERBOSE # define YYERROR_VERBOSE 1 #else # define YYERROR_VERBOSE 0 #endif #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) #line 40 "json.y" typedef union YYSTYPE { Tcl_Obj *obj; struct { Tcl_Obj *key; Tcl_Obj *val; } keyval; } YYSTYPE; /* Line 190 of yacc.c. */ #line 126 "json.tab.c" # define yystype YYSTYPE /* obsolescent; will be withdrawn */ # define YYSTYPE_IS_DECLARED 1 # define YYSTYPE_IS_TRIVIAL 1 #endif /* Copy the second part of user declarations. */ /* Line 213 of yacc.c. */ #line 138 "json.tab.c" #if ! defined (yyoverflow) || YYERROR_VERBOSE # ifndef YYFREE # define YYFREE free # endif # ifndef YYMALLOC # define YYMALLOC malloc # endif /* 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 # else # define YYSTACK_ALLOC alloca # endif # endif # endif # ifdef YYSTACK_ALLOC /* Pacify GCC's `empty if-body' warning. */ # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) # else # if defined (__STDC__) || defined (__cplusplus) # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ # define YYSIZE_T size_t # endif # define YYSTACK_ALLOC YYMALLOC # define YYSTACK_FREE YYFREE # endif #endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ #if (! defined (yyoverflow) \ && (! defined (__cplusplus) \ || (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL))) /* A type that is properly aligned for any stack member. */ union yyalloc { short int yyss; YYSTYPE yyvs; }; /* The size of the maximum gap between one aligned stack and the next. */ # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) /* The size of an array large to enough to hold all stacks, each with N elements. */ # define YYSTACK_BYTES(N) \ ((N) * (sizeof (short int) + sizeof (YYSTYPE)) \ + YYSTACK_GAP_MAXIMUM) /* Copy COUNT objects from FROM to TO. The source and destination do not overlap. */ # ifndef YYCOPY # if defined (__GNUC__) && 1 < __GNUC__ # define YYCOPY(To, From, Count) \ __builtin_memcpy (To, From, (Count) * sizeof (*(From))) # else # define YYCOPY(To, From, Count) \ do \ { \ register YYSIZE_T yyi; \ for (yyi = 0; yyi < (Count); yyi++) \ (To)[yyi] = (From)[yyi]; \ } \ while (0) # endif # endif /* 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) \ do \ { \ YYSIZE_T yynewbytes; \ YYCOPY (&yyptr->Stack, Stack, yysize); \ Stack = &yyptr->Stack; \ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ yyptr += yynewbytes / sizeof (*yyptr); \ } \ while (0) #endif #if defined (__STDC__) || defined (__cplusplus) typedef signed char yysigned_char; #else typedef short int yysigned_char; #endif /* YYFINAL -- State number of the termination state. */ #define YYFINAL 18 /* YYLAST -- Last index in YYTABLE. */ #define YYLAST 23 /* YYNTOKENS -- Number of terminals. */ #define YYNTOKENS 11 /* YYNNTS -- Number of nonterminals. */ #define YYNNTS 10 /* YYNRULES -- Number of rules. */ #define YYNRULES 17 /* YYNRULES -- Number of states. */ #define YYNSTATES 27 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ #define YYUNDEFTOK 2 #define YYMAXUTOK 259 #define YYTRANSLATE(YYX) \ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ static const unsigned char 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, 2, 2, 2, 2, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 10, 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, 7, 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, 5, 2, 6, 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 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in YYRHS. */ static const unsigned char yyprhs[] = { 0, 0, 3, 5, 7, 11, 14, 18, 21, 23, 27, 29, 33, 37, 39, 41, 43, 45 }; /* YYRHS -- A `-1'-separated list of the rules' RHS. */ static const yysigned_char yyrhs[] = { 12, 0, -1, 13, -1, 20, -1, 5, 17, 6, -1, 5, 6, -1, 7, 16, 8, -1, 7, 8, -1, 20, -1, 16, 9, 20, -1, 18, -1, 17, 9, 18, -1, 19, 10, 20, -1, 3, -1, 4, -1, 19, -1, 14, -1, 15, -1 }; /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ static const unsigned char yyrline[] = { 0, 62, 62, 74, 77, 81, 87, 91, 97, 101, 108, 114, 122, 129, 135, 139, 140, 141 }; #endif #if YYDEBUG || YYERROR_VERBOSE /* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { "$end", "error", "$undefined", "STRING", "CONSTANT", "'{'", "'}'", "'['", "']'", "','", "':'", "$accept", "tree", "json", "object", "list", "values", "members", "member", "string", "value", 0 }; #endif # ifdef YYPRINT /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to token YYLEX-NUM. */ static const unsigned short int yytoknum[] = { 0, 256, 257, 258, 259, 123, 125, 91, 93, 44, 58 }; # endif /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ static const unsigned char yyr1[] = { 0, 11, 12, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 19, 20, 20, 20, 20 }; /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ static const unsigned char yyr2[] = { 0, 2, 1, 1, 3, 2, 3, 2, 1, 3, 1, 3, 3, 1, 1, 1, 1, 1 }; /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state STATE-NUM when YYTABLE doesn't specify something else to do. Zero means the default is an error. */ static const unsigned char yydefact[] = { 0, 13, 14, 0, 0, 0, 2, 16, 17, 15, 3, 5, 0, 10, 0, 7, 0, 8, 1, 4, 0, 0, 6, 0, 11, 12, 9 }; /* YYDEFGOTO[NTERM-NUM]. */ static const yysigned_char yydefgoto[] = { -1, 5, 6, 7, 8, 16, 12, 13, 9, 10 }; /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing STATE-NUM. */ #define YYPACT_NINF -6 static const yysigned_char yypact[] = { 5, -6, -6, 8, -1, 15, -6, -6, -6, -6, -6, -6, 7, -6, -5, -6, 12, -6, -6, -6, 19, 5, -6, 5, -6, -6, -6 }; /* YYPGOTO[NTERM-NUM]. */ static const yysigned_char yypgoto[] = { -6, -6, -6, -6, -6, -6, -6, 3, -2, -4 }; /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If positive, shift that token. If negative, reduce the rule which number is the opposite. If zero, do what YYDEFACT says. If YYTABLE_NINF, syntax error. */ #define YYTABLE_NINF -1 static const unsigned char yytable[] = { 17, 14, 1, 2, 3, 21, 4, 15, 1, 2, 3, 1, 4, 19, 11, 18, 20, 25, 14, 26, 22, 23, 1, 24 }; static const unsigned char yycheck[] = { 4, 3, 3, 4, 5, 10, 7, 8, 3, 4, 5, 3, 7, 6, 6, 0, 9, 21, 20, 23, 8, 9, 3, 20 }; /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing symbol of state STATE-NUM. */ static const unsigned char yystos[] = { 0, 3, 4, 5, 7, 12, 13, 14, 15, 19, 20, 6, 17, 18, 19, 8, 16, 20, 0, 6, 9, 10, 8, 9, 18, 20, 20 }; #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) # define YYSIZE_T __SIZE_TYPE__ #endif #if ! defined (YYSIZE_T) && defined (size_t) # define YYSIZE_T size_t #endif #if ! defined (YYSIZE_T) # if defined (__STDC__) || defined (__cplusplus) # include <stddef.h> /* INFRINGES ON USER NAME SPACE */ # define YYSIZE_T size_t # endif #endif #if ! defined (YYSIZE_T) # define YYSIZE_T unsigned int #endif #define yyerrok (yyerrstatus = 0) #define yyclearin (yychar = YYEMPTY) #define YYEMPTY (-2) #define YYEOF 0 #define YYACCEPT goto yyacceptlab #define YYABORT goto yyabortlab #define YYERROR goto yyerrorlab /* Like YYERROR except do call yyerror. This remains here temporarily to ease the transition to the new meaning of YYERROR, for GCC. Once GCC version 2 has supplanted version 1, this can go. */ #define YYFAIL goto yyerrlab #define YYRECOVERING() (!!yyerrstatus) #define YYBACKUP(Token, Value) \ do \ if (yychar == YYEMPTY && yylen == 1) \ { \ yychar = (Token); \ yylval = (Value); \ yytoken = YYTRANSLATE (yychar); \ YYPOPSTACK; \ goto yybackup; \ } \ else \ { \ yyerror ("syntax error: cannot back up");\ YYERROR; \ } \ while (0) #define YYTERROR 1 #define YYERRCODE 256 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. If N is 0, then set CURRENT to the empty location which ends the previous symbol: RHS[0] (always defined). */ #define YYRHSLOC(Rhs, K) ((Rhs)[K]) #ifndef YYLLOC_DEFAULT # define YYLLOC_DEFAULT(Current, Rhs, N) \ do \ if (N) \ { \ (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ } \ else \ { \ (Current).first_line = (Current).last_line = \ YYRHSLOC (Rhs, 0).last_line; \ (Current).first_column = (Current).last_column = \ YYRHSLOC (Rhs, 0).last_column; \ } \ while (0) #endif /* YY_LOCATION_PRINT -- Print the location on the stream. This macro was not mandated originally: define only if we know we won't break user code: when these are the locations we know. */ #ifndef YY_LOCATION_PRINT # if YYLTYPE_IS_TRIVIAL # define YY_LOCATION_PRINT(File, Loc) \ fprintf (File, "%d.%d-%d.%d", \ (Loc).first_line, (Loc).first_column, \ (Loc).last_line, (Loc).last_column) # else # define YY_LOCATION_PRINT(File, Loc) ((void) 0) # endif #endif /* YYLEX -- calling `yylex' with the right arguments. */ #ifdef YYLEX_PARAM # define YYLEX yylex (YYLEX_PARAM) #else # define YYLEX yylex () #endif /* 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, Type, Value, Location) \ do { \ if (yydebug) \ { \ YYFPRINTF (stderr, "%s ", Title); \ yysymprint (stderr, \ Type, Value); \ YYFPRINTF (stderr, "\n"); \ } \ } while (0) /*------------------------------------------------------------------. | yy_stack_print -- Print the state stack from its BOTTOM up to its | | TOP (included). | `------------------------------------------------------------------*/ #if defined (__STDC__) || defined (__cplusplus) static void yy_stack_print (short int *bottom, short int *top) #else static void yy_stack_print (bottom, top) short int *bottom; short int *top; #endif { YYFPRINTF (stderr, "Stack now"); for (/* Nothing. */; bottom <= top; ++bottom) YYFPRINTF (stderr, " %d", *bottom); 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. | `------------------------------------------------*/ #if defined (__STDC__) || defined (__cplusplus) static void yy_reduce_print (int yyrule) #else static void yy_reduce_print (yyrule) int yyrule; #endif { int yyi; unsigned int yylno = yyrline[yyrule]; YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ", yyrule - 1, yylno); /* Print the symbols being reduced, and their result. */ for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++) YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]); YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]); } # define YY_REDUCE_PRINT(Rule) \ do { \ if (yydebug) \ yy_reduce_print (Rule); \ } while (0) /* Nonzero means print parse trace. It is left uninitialized so that multiple parsers can coexist. */ int yydebug; #else /* !YYDEBUG */ # define YYDPRINTF(Args) # define YY_SYMBOL_PRINT(Title, Type, 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 SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) evaluated with infinite-precision integer arithmetic. */ #ifndef YYMAXDEPTH # define YYMAXDEPTH 10000 #endif #if YYERROR_VERBOSE # ifndef yystrlen # if defined (__GLIBC__) && defined (_STRING_H) # define yystrlen strlen # else /* Return the length of YYSTR. */ static YYSIZE_T # if defined (__STDC__) || defined (__cplusplus) yystrlen (const char *yystr) # else yystrlen (yystr) const char *yystr; # endif { register const char *yys = yystr; while (*yys++ != '\0') continue; return yys - yystr - 1; } # endif # endif # ifndef yystpcpy # if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE) # define yystpcpy stpcpy # else /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in YYDEST. */ static char * # if defined (__STDC__) || defined (__cplusplus) yystpcpy (char *yydest, const char *yysrc) # else yystpcpy (yydest, yysrc) char *yydest; const char *yysrc; # endif { register char *yyd = yydest; register const char *yys = yysrc; while ((*yyd++ = *yys++) != '\0') continue; return yyd - 1; } # endif # endif #endif /* !YYERROR_VERBOSE */ #if YYDEBUG /*--------------------------------. | Print this symbol on YYOUTPUT. | `--------------------------------*/ #if defined (__STDC__) || defined (__cplusplus) static void yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep) #else static void yysymprint (yyoutput, yytype, yyvaluep) FILE *yyoutput; int yytype; YYSTYPE *yyvaluep; #endif { /* Pacify ``unused variable'' warnings. */ (void) yyvaluep; if (yytype < YYNTOKENS) YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); else YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); # ifdef YYPRINT if (yytype < YYNTOKENS) YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); # endif switch (yytype) { default: break; } YYFPRINTF (yyoutput, ")"); } #endif /* ! YYDEBUG */ /*-----------------------------------------------. | Release the memory associated to this symbol. | `-----------------------------------------------*/ #if defined (__STDC__) || defined (__cplusplus) static void yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) #else static void yydestruct (yymsg, yytype, yyvaluep) const char *yymsg; int yytype; YYSTYPE *yyvaluep; #endif { /* Pacify ``unused variable'' warnings. */ (void) yyvaluep; if (!yymsg) yymsg = "Deleting"; YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); switch (yytype) { default: break; } } /* Prevent warnings from -Wmissing-prototypes. */ #ifdef YYPARSE_PARAM # if defined (__STDC__) || defined (__cplusplus) int yyparse (void *YYPARSE_PARAM); # else int yyparse (); # endif #else /* ! YYPARSE_PARAM */ #if defined (__STDC__) || defined (__cplusplus) int yyparse (void); #else int yyparse (); #endif #endif /* ! YYPARSE_PARAM */ /* The look-ahead symbol. */ int yychar; /* The semantic value of the look-ahead symbol. */ YYSTYPE yylval; /* Number of syntax errors so far. */ int yynerrs; /*----------. | yyparse. | `----------*/ #ifdef YYPARSE_PARAM # if defined (__STDC__) || defined (__cplusplus) int yyparse (void *YYPARSE_PARAM) # else int yyparse (YYPARSE_PARAM) void *YYPARSE_PARAM; # endif #else /* ! YYPARSE_PARAM */ #if defined (__STDC__) || defined (__cplusplus) int yyparse (void) #else int yyparse () #endif #endif { register int yystate; register int yyn; int yyresult; /* Number of tokens to shift before error messages enabled. */ int yyerrstatus; /* Look-ahead token as an internal (translated) token number. */ int yytoken = 0; /* Three stacks and their tools: `yyss': related to states, `yyvs': related to semantic values, `yyls': related to locations. Refer to the stacks thru separate pointers, to allow yyoverflow to reallocate them elsewhere. */ /* The state stack. */ short int yyssa[YYINITDEPTH]; short int *yyss = yyssa; register short int *yyssp; /* The semantic value stack. */ YYSTYPE yyvsa[YYINITDEPTH]; YYSTYPE *yyvs = yyvsa; register YYSTYPE *yyvsp; #define YYPOPSTACK (yyvsp--, yyssp--) YYSIZE_T yystacksize = YYINITDEPTH; /* The variables used to return semantic value and location from the action routines. */ YYSTYPE yyval; /* When reducing, the number of symbols on the RHS of the reduced rule. */ int yylen; YYDPRINTF ((stderr, "Starting parse\n")); yystate = 0; yyerrstatus = 0; yynerrs = 0; yychar = YYEMPTY; /* Cause a token to be read. */ /* Initialize stack pointers. Waste one element of value and location stack so that they stay on the same level as the state stack. The wasted elements are never initialized. */ yyssp = yyss; yyvsp = yyvs; yyvsp[0] = yylval; 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: *yyssp = yystate; if (yyss + yystacksize - 1 <= yyssp) { /* Get the current used size of the three stacks, in elements. */ YYSIZE_T yysize = yyssp - yyss + 1; #ifdef 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. */ YYSTYPE *yyvs1 = yyvs; short int *yyss1 = yyss; /* 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 ("parser stack overflow", &yyss1, yysize * sizeof (*yyssp), &yyvs1, yysize * sizeof (*yyvsp), &yystacksize); yyss = yyss1; yyvs = yyvs1; } #else /* no yyoverflow */ # ifndef YYSTACK_RELOCATE goto yyoverflowlab; # else /* Extend the stack our own way. */ if (YYMAXDEPTH <= yystacksize) goto yyoverflowlab; yystacksize *= 2; if (YYMAXDEPTH < yystacksize) yystacksize = YYMAXDEPTH; { short int *yyss1 = yyss; union yyalloc *yyptr = (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); if (! yyptr) goto yyoverflowlab; YYSTACK_RELOCATE (yyss); YYSTACK_RELOCATE (yyvs); # undef YYSTACK_RELOCATE if (yyss1 != yyssa) YYSTACK_FREE (yyss1); } # endif #endif /* no yyoverflow */ yyssp = yyss + yysize - 1; yyvsp = yyvs + yysize - 1; YYDPRINTF ((stderr, "Stack size increased to %lu\n", (unsigned long int) yystacksize)); if (yyss + yystacksize - 1 <= yyssp) YYABORT; } YYDPRINTF ((stderr, "Entering state %d\n", yystate)); goto yybackup; /*-----------. | yybackup. | `-----------*/ yybackup: /* Do appropriate processing given the current state. */ /* Read a look-ahead token if we need one and don't already have one. */ /* yyresume: */ /* First try to decide what to do without reference to look-ahead token. */ yyn = yypact[yystate]; if (yyn == YYPACT_NINF) goto yydefault; /* Not known => get a look-ahead token if don't already have one. */ /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */ if (yychar == YYEMPTY) { YYDPRINTF ((stderr, "Reading a token: ")); yychar = YYLEX; } if (yychar <= YYEOF) { yychar = yytoken = YYEOF; YYDPRINTF ((stderr, "Now at end of input.\n")); } 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 (yyn == 0 || yyn == YYTABLE_NINF) goto yyerrlab; yyn = -yyn; goto yyreduce; } if (yyn == YYFINAL) YYACCEPT; /* Shift the look-ahead token. */ YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); /* Discard the token being shifted unless it is eof. */ if (yychar != YYEOF) yychar = YYEMPTY; *++yyvsp = yylval; /* Count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; yystate = yyn; 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: #line 63 "json.y" { struct context *c = context; REDUCE("TREE"); if (c->I) { Tcl_SetObjResult(c->I, (yyvsp[0].obj)); TRACE ((" RESULT (%s)\n", Tcl_GetString((yyvsp[0].obj)))); } c->result = TCL_OK; ;} break; case 4: #line 78 "json.y" { (yyval.obj) = (yyvsp[-1].obj); ;} break; case 5: #line 82 "json.y" { (yyval.obj) = Tcl_NewObj(); ;} break; case 6: #line 88 "json.y" { (yyval.obj) = (yyvsp[-1].obj); ;} break; case 7: #line 92 "json.y" { (yyval.obj) = Tcl_NewObj(); ;} break; case 8: #line 98 "json.y" { (yyval.obj) = Tcl_NewListObj(1, &(yyvsp[0].obj)); ;} break; case 9: #line 102 "json.y" { Tcl_ListObjAppendElement(NULL, (yyvsp[-2].obj), (yyvsp[0].obj)); (yyval.obj) = (yyvsp[-2].obj); ;} break; case 10: #line 109 "json.y" { (yyval.obj) = Tcl_NewListObj(0, NULL); Tcl_ListObjAppendElement(NULL, (yyval.obj), (yyvsp[0].keyval).key); Tcl_ListObjAppendElement(NULL, (yyval.obj), (yyvsp[0].keyval).val); ;} break; case 11: #line 115 "json.y" { Tcl_ListObjAppendElement(NULL, (yyvsp[-2].obj), (yyvsp[0].keyval).key); Tcl_ListObjAppendElement(NULL, (yyvsp[-2].obj), (yyvsp[0].keyval).val); (yyval.obj) = (yyvsp[-2].obj); ;} break; case 12: #line 123 "json.y" { (yyval.keyval).key = (yyvsp[-2].obj); (yyval.keyval).val = (yyvsp[0].obj); ;} break; case 13: #line 130 "json.y" { (yyval.obj) = ((struct context *)context)->obj; ;} break; case 14: #line 136 "json.y" { (yyval.obj) = ((struct context *)context)->obj; ;} break; } /* Line 1037 of yacc.c. */ #line 1148 "json.tab.c" yyvsp -= yylen; yyssp -= yylen; YY_STACK_PRINT (yyss, yyssp); *++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. */ yyn = yyr1[yyn]; yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else yystate = yydefgoto[yyn - YYNTOKENS]; goto yynewstate; /*------------------------------------. | yyerrlab -- here on detecting error | `------------------------------------*/ yyerrlab: /* If not already recovering from an error, report this error. */ if (!yyerrstatus) { ++yynerrs; #if YYERROR_VERBOSE yyn = yypact[yystate]; if (YYPACT_NINF < yyn && yyn < YYLAST) { YYSIZE_T yysize = 0; int yytype = YYTRANSLATE (yychar); const char* yyprefix; char *yymsg; int yyx; /* Start YYX at -YYN if negative to avoid negative indexes in YYCHECK. */ int yyxbegin = yyn < 0 ? -yyn : 0; /* Stay within bounds of both yycheck and yytname. */ int yychecklim = YYLAST - yyn; int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; int yycount = 0; yyprefix = ", expecting "; for (yyx = yyxbegin; yyx < yyxend; ++yyx) if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) { yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]); yycount += 1; if (yycount == 5) { yysize = 0; break; } } yysize += (sizeof ("syntax error, unexpected ") + yystrlen (yytname[yytype])); yymsg = (char *) YYSTACK_ALLOC (yysize); if (yymsg != 0) { char *yyp = yystpcpy (yymsg, "syntax error, unexpected "); yyp = yystpcpy (yyp, yytname[yytype]); if (yycount < 5) { yyprefix = ", expecting "; for (yyx = yyxbegin; yyx < yyxend; ++yyx) if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) { yyp = yystpcpy (yyp, yyprefix); yyp = yystpcpy (yyp, yytname[yyx]); yyprefix = " or "; } } yyerror (yymsg); YYSTACK_FREE (yymsg); } else yyerror ("syntax error; also virtual memory exhausted"); } else #endif /* YYERROR_VERBOSE */ yyerror ("syntax error"); } if (yyerrstatus == 3) { /* If just tried and failed to reuse look-ahead token after an error, discard it. */ if (yychar <= YYEOF) { /* If at end of input, pop the error token, then the rest of the stack, then return failure. */ if (yychar == YYEOF) for (;;) { YYPOPSTACK; if (yyssp == yyss) YYABORT; yydestruct ("Error: popping", yystos[*yyssp], yyvsp); } } else { yydestruct ("Error: discarding", yytoken, &yylval); yychar = YYEMPTY; } } /* Else will try to reuse look-ahead token after shifting the error token. */ goto yyerrlab1; /*---------------------------------------------------. | yyerrorlab -- error raised explicitly by YYERROR. | `---------------------------------------------------*/ yyerrorlab: #ifdef __GNUC__ /* Pacify GCC when the user code never invokes YYERROR and the label yyerrorlab therefore never appears in user code. */ if (0) goto yyerrorlab; #endif yyvsp -= yylen; yyssp -= yylen; yystate = *yyssp; goto yyerrlab1; /*-------------------------------------------------------------. | yyerrlab1 -- common code for both syntax error and YYERROR. | `-------------------------------------------------------------*/ yyerrlab1: yyerrstatus = 3; /* Each real token shifted decrements this. */ for (;;) { yyn = yypact[yystate]; if (yyn != YYPACT_NINF) { yyn += YYTERROR; if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) { 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", yystos[yystate], yyvsp); YYPOPSTACK; yystate = *yyssp; YY_STACK_PRINT (yyss, yyssp); } if (yyn == YYFINAL) YYACCEPT; *++yyvsp = yylval; /* Shift the error token. */ YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); yystate = yyn; goto yynewstate; /*-------------------------------------. | yyacceptlab -- YYACCEPT comes here. | `-------------------------------------*/ yyacceptlab: yyresult = 0; goto yyreturn; /*-----------------------------------. | yyabortlab -- YYABORT comes here. | `-----------------------------------*/ yyabortlab: yydestruct ("Error: discarding lookahead", yytoken, &yylval); yychar = YYEMPTY; yyresult = 1; goto yyreturn; #ifndef yyoverflow /*----------------------------------------------. | yyoverflowlab -- parser overflow comes here. | `----------------------------------------------*/ yyoverflowlab: yyerror ("parser stack overflow"); yyresult = 2; /* Fall through. */ #endif yyreturn: #ifndef yyoverflow if (yyss != yyssa) YYSTACK_FREE (yyss); #endif return yyresult; } #line 144 "json.y" #include <err.h> void jsonparse (struct context* context) { yyparse (context); } #define DRAIN(n) context->text += n, context->remaining -= n #define STORESTRINGSEGMENT() \ if (initialized) { \ if (context->text != bp) { \ Tcl_AppendToObj(context->obj, \ bp, context->text - bp); \ } \ } else { \ context->obj = Tcl_NewStringObj( \ bp, context->text - bp); \ initialized = 1; \ } void jsonskip(struct context *context) { while (context->remaining) { switch (*context->text) { case '\n': case ' ': case '\t': case '\r': DRAIN(1); continue; } break; } } static int jsonlexp(struct context *context) { const char *bp = NULL; /* Question: Why not plain numbers 1,2 for the states * but these specific hex patterns ? */ enum { PLAIN = 0x0000ff00, INSTR = 0x00ff0000 } lstate; double d; char *end; const char *p; int initialized = 0; /* * Do not auto-lex beyond a full json structure. */ if (context->result == TCL_OK) { TOKEN ("<<eof>>"); return 0; } /* * Quickly skip and ignore whitespace. */ while (context->remaining) { switch (*context->text) { case '\n': case ' ': case '\t': case '\r': DRAIN(1); continue; } break; } /* * Handle the token following the whitespace. Small state machine to * handle strings and escapes in them, and bare words (various * contants, and numbers). */ for (lstate = PLAIN; context->remaining > 0; DRAIN(1)) { if (lstate == INSTR) { if (*context->text == '"') { /* * End of quoted string */ STORESTRINGSEGMENT(); DRAIN(1); TOKEN1 ("STRING"); return STRING; } if (*context->text == '\\') { /* * Escaped sequence */ char buf[TCL_UTF_MAX]; int len, consumed; STORESTRINGSEGMENT(); /* * XXX Tcl_UtfBackslash() may be more * XXX permissive, than JSON standard. * XXX But that may be a good thing: * XXX "be generous in what you accept". */ len = Tcl_UtfBackslash(context->text, &consumed, buf); DRAIN(consumed - 1); bp = context->text + 1; Tcl_AppendToObj(context->obj, buf, len); } continue; } switch (*context->text) { case ',': case '{': case ':': case '}': case '[': case ']': DRAIN(1); TOKEN (context->text[-1]); return context->text[-1]; case 't': if ((context->remaining < 4) || strncmp("rue", context->text + 1, 3)) goto bareword; DRAIN(4); context->obj = TRUE_O; TOKEN1 ("CONSTANT"); return CONSTANT; case 'f': if ((context->remaining < 5) || strncmp("alse", context->text + 1, 4)) goto bareword; DRAIN(5); context->obj = FALSE_O; TOKEN1 ("CONSTANT"); return CONSTANT; case 'n': if ((context->remaining < 4) || strncmp("ull", context->text + 1, 3)) goto bareword; DRAIN(4); context->obj = NULL_O; TOKEN1 ("CONSTANT"); return CONSTANT; case '"': bp = context->text + 1; lstate = INSTR; continue; case '\\': yyerror("Escape character outside of string"); TOKEN ("escape error"); return -1; } /* * We already considered the null, true, and false * above, so it can only be a number now. * * NOTE: At this point we do not care about double * versus integer, nor about the possible integer * range. We generate a plain string Tcl_Obj and leave * it to the user of the generated structure to * convert to a number when actually needed. This * defered conversion also ensures that the Tcl and * platform we are building against does not matter * regarding integer range, only the abilities of the * Tcl at runtime. */ d = strtod(context->text, &end); if (end == context->text) goto bareword; /* Nothing parsed */ context->obj = Tcl_NewStringObj (context->text, end - context->text); context->remaining -= (end - context->text); context->text = end; TOKEN1 ("CONSTANT"); return CONSTANT; } TOKEN ("<<eof>>"); return 0; bareword: yyerror("Bare word encountered"); TOKEN ("bare word error"); return -1; } #if 0 int jsonlex(struct context *context) { const char *bp = NULL; /* Question: Why not plain numbers 1,2 for the states * but these specific hex patterns ? */ enum { PLAIN = 0x0000ff00, INSTR = 0x00ff0000 } lstate; double d; char *end; const char *p; int initialized = 0; while (context->remaining) { /* Iterate over the whole string and check all tokens. * Nothing else. */ /* * Quickly skip and ignore whitespace. */ while (context->remaining) { switch (*context->text) { case '\n': case ' ': case '\t': case '\r': DRAIN(1); continue; } break; } /* * Handle the token following the whitespace. Small state machine to * handle strings and escapes in them, and bare words (various * contants, and numbers). */ for (lstate = PLAIN; context->remaining > 0; DRAIN(1)) { if (lstate == INSTR) { if (*context->text == '"') { /* * End of quoted string */ DRAIN(1); goto next_token; } if (*context->text == '\\') { /* * Escaped sequence */ char buf[TCL_UTF_MAX]; int len, consumed; /* * XXX Tcl_UtfBackslash() may be more * XXX permissive, than JSON standard. * XXX But that may be a good thing: * XXX "be generous in what you accept". */ len = Tcl_UtfBackslash(context->text, &consumed, buf); DRAIN(consumed - 1); } continue; } switch (*context->text) { case ',': case '{': case ':': case '}': case '[': case ']': DRAIN(1); goto next_token; case 't': if ((context->remaining < 4) || strncmp("rue", context->text + 1, 3)) return -1; /* bare word */ DRAIN(4); goto next_token; case 'f': if ((context->remaining < 5) || strncmp("alse", context->text + 1, 4)) return -1; /* bare word */ DRAIN(5); goto next_token; case 'n': if ((context->remaining < 4) || strncmp("ull", context->text + 1, 3)) return -1; /* bare word */ DRAIN(4); goto next_token; case '"': bp = context->text + 1; lstate = INSTR; continue; case '\\': /* Escape outside string, abort. */ return -1; } /* * We already considered the null, true, and false * above, so it can only be a number now. * * NOTE: At this point we do not care about double * versus integer, nor about the possible integer * range. We generate a plain string Tcl_Obj and leave * it to the user of the generated structure to * convert to a number when actually needed. This * defered conversion also ensures that the Tcl and * platform we are building against does not matter * regarding integer range, only the abilities of the * Tcl at runtime. */ d = strtod(context->text, &end); if (end == context->text) return -1; /* bare word */ context->remaining -= (end - context->text); context->text = end; goto next_token; } return 0; next_token: continue; } } #endif static void jsonerror(struct context *context, const char *message) { char *fullmessage; char *yytext; int yyleng; if (context->obj) { yytext = Tcl_GetStringFromObj(context->obj, &yyleng); fullmessage = Tcl_Alloc(strlen(message) + 63 + yyleng); sprintf(fullmessage, "%s %d bytes before end, around ``%.*s''", message, context->remaining, yyleng, yytext); } else { fullmessage = Tcl_Alloc(strlen(message) + 63); sprintf(fullmessage, "%s %d bytes before end", message, context->remaining); } TRACE ((">>> %s\n",fullmessage)); Tcl_SetResult(context->I, fullmessage, TCL_DYNAMIC); } |
Added modules/json/c/json.y.
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Manual lexer. * Mikhail. */ %{ #include <tcl.h> #include <ctype.h> #include <math.h> #include <string.h> #include <stdlib.h> #include <assert.h> #include <json_y.h> #define TOKEN(tok) TRACE (("TOKEN %s\n", tok)) #define TOKEN1(tok) TRACE (("TOKEN %s (%s)\n", tok, Tcl_GetString(context->obj))) #define REDUCE(rule) TRACE (("REDUCE %s\n", rule)) #define TRUE_O (Tcl_NewStringObj("true", 4)) #define FALSE_O (Tcl_NewStringObj("false", 5)) #define NULL_O (Tcl_NewStringObj("null", 4)) static void jsonerror(struct context *, const char *); static int jsonlexp(struct context *context); #define YYPARSE_PARAM_TYPE void * #define YYPARSE_PARAM context #define YYPARSE_PARAM_DECL #define yylex() jsonlexp(context) #define yyerror(msg) jsonerror(context, msg) #ifndef YYBISON static int yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM); #endif %} %union { Tcl_Obj *obj; struct { Tcl_Obj *key; Tcl_Obj *val; } keyval; }; %token STRING CONSTANT %type <obj> tree %type <obj> json %type <obj> object %type <obj> list %type <obj> values %type <obj> members %type <obj> value %type <obj> string %type <keyval> member %% tree : json { struct context *c = context; REDUCE("TREE"); if (c->I) { Tcl_SetObjResult(c->I, $1); TRACE ((" RESULT (%s)\n", Tcl_GetString($1))); } c->result = TCL_OK; } ; json : value ; object : '{' members '}' { $$ = $2; } | '{' '}' { $$ = Tcl_NewObj(); } ; list : '[' values ']' { $$ = $2; } | '[' ']' { $$ = Tcl_NewObj(); } ; values : value { $$ = Tcl_NewListObj(1, &$1); } | values ',' value { Tcl_ListObjAppendElement(NULL, $1, $3); $$ = $1; } ; members : member { $$ = Tcl_NewListObj(0, NULL); Tcl_ListObjAppendElement(NULL, $$, $1.key); Tcl_ListObjAppendElement(NULL, $$, $1.val); } | members ',' member { Tcl_ListObjAppendElement(NULL, $1, $3.key); Tcl_ListObjAppendElement(NULL, $1, $3.val); $$ = $1; } ; member : string ':' value { $$.key = $1; $$.val = $3; } ; string : STRING { $$ = ((struct context *)context)->obj; } ; value : CONSTANT { $$ = ((struct context *)context)->obj; } | string | object | list ; %% #include <err.h> void jsonparse (struct context* context) { yyparse (context); } #define DRAIN(n) context->text += n, context->remaining -= n #define STORESTRINGSEGMENT() \ if (initialized) { \ if (context->text != bp) { \ Tcl_AppendToObj(context->obj, \ bp, context->text - bp); \ } \ } else { \ context->obj = Tcl_NewStringObj( \ bp, context->text - bp); \ initialized = 1; \ } void jsonskip(struct context *context) { while (context->remaining) { switch (*context->text) { case '\n': case ' ': case '\t': case '\r': DRAIN(1); continue; } break; } } static int jsonlexp(struct context *context) { const char *bp = NULL; /* Question: Why not plain numbers 1,2 for the states * but these specific hex patterns ? */ enum { PLAIN = 0x0000ff00, INSTR = 0x00ff0000 } lstate; double d; char *end; const char *p; int initialized = 0; /* * Do not auto-lex beyond a full json structure. */ if (context->result == TCL_OK) { TOKEN ("<<eof>>"); return 0; } /* * Quickly skip and ignore whitespace. */ while (context->remaining) { switch (*context->text) { case '\n': case ' ': case '\t': case '\r': DRAIN(1); continue; } break; } /* * Handle the token following the whitespace. Small state machine to * handle strings and escapes in them, and bare words (various * contants, and numbers). */ for (lstate = PLAIN; context->remaining > 0; DRAIN(1)) { if (lstate == INSTR) { if (*context->text == '"') { /* * End of quoted string */ STORESTRINGSEGMENT(); DRAIN(1); TOKEN1 ("STRING"); return STRING; } if (*context->text == '\\') { /* * Escaped sequence */ char buf[TCL_UTF_MAX]; int len, consumed; STORESTRINGSEGMENT(); /* * XXX Tcl_UtfBackslash() may be more * XXX permissive, than JSON standard. * XXX But that may be a good thing: * XXX "be generous in what you accept". */ len = Tcl_UtfBackslash(context->text, &consumed, buf); DRAIN(consumed - 1); bp = context->text + 1; Tcl_AppendToObj(context->obj, buf, len); } continue; } switch (*context->text) { case ',': case '{': case ':': case '}': case '[': case ']': DRAIN(1); TOKEN (context->text[-1]); return context->text[-1]; case 't': if ((context->remaining < 4) || strncmp("rue", context->text + 1, 3)) goto bareword; DRAIN(4); context->obj = TRUE_O; TOKEN1 ("CONSTANT"); return CONSTANT; case 'f': if ((context->remaining < 5) || strncmp("alse", context->text + 1, 4)) goto bareword; DRAIN(5); context->obj = FALSE_O; TOKEN1 ("CONSTANT"); return CONSTANT; case 'n': if ((context->remaining < 4) || strncmp("ull", context->text + 1, 3)) goto bareword; DRAIN(4); context->obj = NULL_O; TOKEN1 ("CONSTANT"); return CONSTANT; case '"': bp = context->text + 1; lstate = INSTR; continue; case '\\': yyerror("Escape character outside of string"); TOKEN ("escape error"); return -1; } /* * We already considered the null, true, and false * above, so it can only be a number now. * * NOTE: At this point we do not care about double * versus integer, nor about the possible integer * range. We generate a plain string Tcl_Obj and leave * it to the user of the generated structure to * convert to a number when actually needed. This * defered conversion also ensures that the Tcl and * platform we are building against does not matter * regarding integer range, only the abilities of the * Tcl at runtime. */ d = strtod(context->text, &end); if (end == context->text) goto bareword; /* Nothing parsed */ context->obj = Tcl_NewStringObj (context->text, end - context->text); context->remaining -= (end - context->text); context->text = end; TOKEN1 ("CONSTANT"); return CONSTANT; } TOKEN ("<<eof>>"); return 0; bareword: yyerror("Bare word encountered"); TOKEN ("bare word error"); return -1; } #if 0 int jsonlex(struct context *context) { const char *bp = NULL; /* Question: Why not plain numbers 1,2 for the states * but these specific hex patterns ? */ enum { PLAIN = 0x0000ff00, INSTR = 0x00ff0000 } lstate; double d; char *end; const char *p; int initialized = 0; while (context->remaining) { /* Iterate over the whole string and check all tokens. * Nothing else. */ /* * Quickly skip and ignore whitespace. */ while (context->remaining) { switch (*context->text) { case '\n': case ' ': case '\t': case '\r': DRAIN(1); continue; } break; } /* * Handle the token following the whitespace. Small state machine to * handle strings and escapes in them, and bare words (various * contants, and numbers). */ for (lstate = PLAIN; context->remaining > 0; DRAIN(1)) { if (lstate == INSTR) { if (*context->text == '"') { /* * End of quoted string */ DRAIN(1); goto next_token; } if (*context->text == '\\') { /* * Escaped sequence */ char buf[TCL_UTF_MAX]; int len, consumed; /* * XXX Tcl_UtfBackslash() may be more * XXX permissive, than JSON standard. * XXX But that may be a good thing: * XXX "be generous in what you accept". */ len = Tcl_UtfBackslash(context->text, &consumed, buf); DRAIN(consumed - 1); } continue; } switch (*context->text) { case ',': case '{': case ':': case '}': case '[': case ']': DRAIN(1); goto next_token; case 't': if ((context->remaining < 4) || strncmp("rue", context->text + 1, 3)) return -1; /* bare word */ DRAIN(4); goto next_token; case 'f': if ((context->remaining < 5) || strncmp("alse", context->text + 1, 4)) return -1; /* bare word */ DRAIN(5); goto next_token; case 'n': if ((context->remaining < 4) || strncmp("ull", context->text + 1, 3)) return -1; /* bare word */ DRAIN(4); goto next_token; case '"': bp = context->text + 1; lstate = INSTR; continue; case '\\': /* Escape outside string, abort. */ return -1; } /* * We already considered the null, true, and false * above, so it can only be a number now. * * NOTE: At this point we do not care about double * versus integer, nor about the possible integer * range. We generate a plain string Tcl_Obj and leave * it to the user of the generated structure to * convert to a number when actually needed. This * defered conversion also ensures that the Tcl and * platform we are building against does not matter * regarding integer range, only the abilities of the * Tcl at runtime. */ d = strtod(context->text, &end); if (end == context->text) return -1; /* bare word */ context->remaining -= (end - context->text); context->text = end; goto next_token; } return 0; next_token: continue; } } #endif static void jsonerror(struct context *context, const char *message) { char *fullmessage; char *yytext; int yyleng; if (context->obj) { yytext = Tcl_GetStringFromObj(context->obj, &yyleng); fullmessage = Tcl_Alloc(strlen(message) + 63 + yyleng); sprintf(fullmessage, "%s %d bytes before end, around ``%.*s''", message, context->remaining, yyleng, yytext); } else { fullmessage = Tcl_Alloc(strlen(message) + 63); sprintf(fullmessage, "%s %d bytes before end", message, context->remaining); } TRACE ((">>> %s\n",fullmessage)); Tcl_SetResult(context->I, fullmessage, TCL_DYNAMIC); } |
Deleted modules/json/c/json_c_version.c.
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| < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/json_c_version.h.
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| < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/json_config.h.
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| < < < < |
Deleted modules/json/c/json_inttypes.h.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/json_object.c.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/json_object.h.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/json_object_iterator.c.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/json_object_iterator.h.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/json_object_private.h.
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Deleted modules/json/c/json_tokener.c.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/json_tokener.h.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/json_util.c.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/json_util.h.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Added modules/json/c/json_y.h.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | /* * Data structures and declarations for yacc/bison based json parser. * External to .y file for communication and use within the binding layer. */ struct context { /* * General state. */ Tcl_Interp *I; /* Tcl interpreter we are in. */ int result; /* Tcl result of the parse. ** * NOTE: A value of TCL_OK (set when * successfully reducing the main rule) * causes the lexer to return <<EOF>> from * then on, preventing parsing beyond a * single json structure. */ /* * Lexer Input. */ const char *text; /* Text to parse */ int remaining; /* Number of characters left to parse. */ /* * Lexer -> Parser communication. */ Tcl_Obj *obj; /* Tcl value of the last returned token. */ }; /* * Note: The parser function automatically sets the Tcl_Interp (See * field "I") result to the parse result, or an error message. */ extern void jsonparse (struct context *); #if 0 extern int jsonlex(struct context *); #endif extern void jsonskip(struct context *); /* * Default: Tracing off. */ #ifndef JSON_DEBUG #define JSON_DEBUG 0 #endif #if JSON_DEBUG #define TRACE(x) do { printf x ; fflush (stdout); } while (0) #else #define TRACE(x) #endif |
Deleted modules/json/c/libjson.c.
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Deleted modules/json/c/linkhash.c.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/linkhash.h.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/printbuf.c.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Deleted modules/json/c/printbuf.h.
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| < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
Changes to modules/json/json_tcl.tcl.
︙ | ︙ | |||
256 257 258 259 260 261 262 | "\[" { return [parseArray $tokens $nrTokens tokenCursor] } "\"" { # quoted string return [unquoteUnescapeString $token] } | | < < < | < < < | | 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 | "\[" { return [parseArray $tokens $nrTokens tokenCursor] } "\"" { # quoted string return [unquoteUnescapeString $token] } "t" - "f" - "n" { # bare word: true, false, null (return as is) return $token } default { # number? if {[string is double -strict $token]} { return $token } else { |
︙ | ︙ |
Changes to modules/json/jsonc.tcl.
1 2 | # jsonc.tcl -- # | | | | > > < | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | < < < < | < < | < < < < < < | | < | < < < | | | < < < | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | # jsonc.tcl -- # # Implementation of a JSON parser in C. # Binding to a yacc/bison parser by Mikhail. # # Copyright (c) 2013 - critcl wrapper - Andreas Kupries <[email protected]> # Copyright (c) 2013 - C binding - [email protected] package require critcl # @sak notprovided jsonc package provide jsonc 1.1 package require Tcl 8.4 #critcl::cheaders -g #critcl::debug memory symbols critcl::cheaders -Ic c/*.h critcl::csources c/*.c # # ## ### Import base declarations, forwards ### ## # # critcl::ccode { #include <json_y.h> } # # ## ### Main Conversion ### ## # # namespace eval ::json { critcl::ccommand json2dict_critcl {dummy I objc objv} { struct context context = { NULL }; if (objc != 2) { Tcl_WrongNumArgs(I, 1, objv, "json"); return TCL_ERROR; } context.text = Tcl_GetStringFromObj(objv[1], &context.remaining); context.I = I; context.result = TCL_ERROR; jsonparse (&context); return context.result; } critcl::ccommand many-json2dict_critcl {dummy I objc objv} { struct context context = { NULL }; int max; int found; Tcl_Obj* result = Tcl_NewListObj(0, NULL); if ((objc < 2) || (objc > 3)) { Tcl_WrongNumArgs(I, 1, objv, "jsonText ?max?"); |
︙ | ︙ | |||
251 252 253 254 255 256 257 | return TCL_ERROR; } } else { max = -1; } | | | > | < < < < < | < | < | | | | < | > > | < | > | | < < < < < < | | > | > > | < | < < < < | < < < < < < < < < | | 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | return TCL_ERROR; } } else { max = -1; } context.text = Tcl_GetStringFromObj(objv[1], &context.remaining); context.I = I; found = 0; /* Iterate over the input until * - we have gotten all requested values. * - we have run out of input * - we have run into an error */ while ((max < 0) || max) { context.result = TCL_ERROR; jsonparse (&context); /* parse error, abort */ if (context.result != TCL_OK) { Tcl_DecrRefCount (result); return TCL_ERROR; } /* Proper value extracted, extend result */ found ++; Tcl_ListObjAppendElement(I, result, Tcl_GetObjResult (I)); /* Count down on the number of still missing * values, if not asking for all (-1) */ if (max > 0) max --; /* Jump over trailing whitespace for proper end-detection */ jsonskip (&context); /* Abort if we have consumed all input */ if (!context.remaining) break; /* Clear scratch pad before continuing */ context.obj = NULL; } /* While all parses were ok we reached end of * input without getting all requested values, * this is an error */ if (max > 0) { char buf [30]; sprintf (buf, "%d", found); Tcl_ResetResult (I); Tcl_AppendResult (I, "Bad limit ", Tcl_GetString (objv[2]), " of json entities to extract, found only ", buf, ".", NULL); Tcl_SetErrorCode (I, "JSON", "BAD-LIMIT", "TOO", "LARGE", NULL); Tcl_DecrRefCount (result); return TCL_ERROR; } /* We are good and done */ Tcl_SetObjResult(I, result); return TCL_OK; } if 0 {critcl::ccommand validate_critcl {dummy I objc objv} { struct context context = { NULL }; if (objc != 2) { Tcl_WrongNumArgs(I, 1, objv, "jsonText"); return TCL_ERROR; } context.text = Tcl_GetStringFromObj(objv[1], &context.remaining); context.I = I; context.result = TCL_ERROR; /* Iterate over the input until we have run * out of text, or encountered an error. We * use only the lexer here, and told it to not * create superfluous token values. */ while (context.remaining) { if (jsonlex (&context) == -1) { Tcl_SetObjResult(I, Tcl_NewBooleanObj (0)); return TCL_OK; } } /* We are good and done */ Tcl_SetObjResult(I, Tcl_NewBooleanObj (1)); return TCL_OK; }} } |
Changes to modules/json/test-data/glossary.result.
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| | | 1 | glossary {title {example glossary} mixlist {{a "" str} -0.09 null {} {member true}} GlossDiv {title S GlossList {{ID SGML GlossTerm {Standard \" Language} Acronym SGML\\ Abbrev {ISO 8879:1986} GlossDef {A meta-markup language, used ...} GlossSeeAlso {GML XML markup}}}}} |
Changes to modules/json/test_support.tcl.
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92 93 94 95 96 97 98 | } foreach f [TestFilesGlob test-data/*.err] { set name [file rootname [file tail $f]] set ERR($name) [tcltest::viewFile $f] } | > > > | | | | | | | | 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | } foreach f [TestFilesGlob test-data/*.err] { set name [file rootname [file tail $f]] set ERR($name) [tcltest::viewFile $f] } ## Tcl has strict escape checking. ## C uses Tcl_UtfBacklash, and allows lots of irregular escapes. # # set FAIL(escape1) {"\%"} # set ERR(escape1-tcl) {unexpected token "END" at position 0; expecting VALUE} # set ERR(escape1-critcl) {syntax error 0 bytes before end, around ``%''} # # set FAIL(escape2) {"\."} # set ERR(escape2-tcl) {unexpected token "END" at position 0; expecting VALUE} # set ERR(escape2-critcl) {syntax error 0 bytes before end, around ``.''} proc resultfor {name} { global TCL transform $TCL($name) $name } |
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Changes to modules/tcllibc.tcl.
1 2 3 4 | # Umbrella, i.e. Bundle, to put all of the critcl modules which are # found in Tcllib in one shared library. package require critcl | | | 1 2 3 4 5 6 7 8 9 10 11 12 | # Umbrella, i.e. Bundle, to put all of the critcl modules which are # found in Tcllib in one shared library. package require critcl package provide tcllibc 0.3.12 namespace eval ::tcllib { variable tcllibc_rcsid {$Id: tcllibc.tcl,v 1.13 2010/05/25 19:26:17 andreas_kupries Exp $} critcl::ccode { /* no code required in this file */ } } |