From 4b0ee5d209778694d7ee8514bfa9d38f07e39901 Mon Sep 17 00:00:00 2001 From: Ralph Boehme Date: Thu, 31 Jul 2014 18:01:34 +0200 Subject: [PATCH] s3-mdssvc: lexer and parser for Spotlight queries Add a lexer and parser for translating Spotlight query strings to SPARQL. Signed-off-by: Ralph Boehme Reviewed-by: Stefan Metzmacher --- source3/rpc_server/mdssvc/Makefile | 16 + source3/rpc_server/mdssvc/README | 14 + source3/rpc_server/mdssvc/mdssvc.c | 25 +- source3/rpc_server/mdssvc/mdssvc.h | 1 + source3/rpc_server/mdssvc/sparql_lexer.c | 1834 +++++++++++++++ source3/rpc_server/mdssvc/sparql_lexer.l | 57 + source3/rpc_server/mdssvc/sparql_parser.c | 1973 +++++++++++++++++ source3/rpc_server/mdssvc/sparql_parser.h | 98 + source3/rpc_server/mdssvc/sparql_parser.y | 479 ++++ .../rpc_server/mdssvc/sparql_parser_test.c | 38 + source3/rpc_server/wscript_build | 2 + source3/wscript_build | 10 + 12 files changed, 4541 insertions(+), 6 deletions(-) create mode 100644 source3/rpc_server/mdssvc/Makefile create mode 100644 source3/rpc_server/mdssvc/README create mode 100644 source3/rpc_server/mdssvc/sparql_lexer.c create mode 100644 source3/rpc_server/mdssvc/sparql_lexer.l create mode 100644 source3/rpc_server/mdssvc/sparql_parser.c create mode 100644 source3/rpc_server/mdssvc/sparql_parser.h create mode 100644 source3/rpc_server/mdssvc/sparql_parser.y create mode 100644 source3/rpc_server/mdssvc/sparql_parser_test.c diff --git a/source3/rpc_server/mdssvc/Makefile b/source3/rpc_server/mdssvc/Makefile new file mode 100644 index 00000000000..3b0983f8e67 --- /dev/null +++ b/source3/rpc_server/mdssvc/Makefile @@ -0,0 +1,16 @@ +BISON=bison +FLEX=flex +SED=sed + +PARSER=sparql_parser +LEXER=sparql_lexer + +all: $(PARSER).c $(LEXER).c + +$(PARSER).c: $(PARSER).y + $(BISON) -d -o $@ $< + +$(LEXER).c: $(LEXER).l + $(FLEX) -o $@ $< + $(SED) -i s/malloc/SMB_MALLOC/g $@ + $(SED) -i s/realloc/SMB_REALLOC/g $@ diff --git a/source3/rpc_server/mdssvc/README b/source3/rpc_server/mdssvc/README new file mode 100644 index 00000000000..7dff83e830a --- /dev/null +++ b/source3/rpc_server/mdssvc/README @@ -0,0 +1,14 @@ +Introduction: +============= +This directory contains source code for the metadata search service +aka Spotlight. + +Bison and flex: +=============== +Not yet integrated into the waf buildsystem, run these by hand: + +$ bison -d -o sparql_parser.c sparql_parser.y +$ flex -o sparql_lexer.c sparql_lexer.l + +or use the bundled Makefile. + diff --git a/source3/rpc_server/mdssvc/mdssvc.c b/source3/rpc_server/mdssvc/mdssvc.c index ba39e255f94..1143b4516a8 100644 --- a/source3/rpc_server/mdssvc/mdssvc.c +++ b/source3/rpc_server/mdssvc/mdssvc.c @@ -27,6 +27,7 @@ #include "lib/dbwrap/dbwrap_rbt.h" #include "libcli/security/dom_sid.h" #include "mdssvc.h" +#include "sparql_parser.h" #undef DBGC_CLASS #define DBGC_CLASS DBGC_RPC_SRV @@ -1250,16 +1251,28 @@ static bool slrpc_open_query(struct mds_ctx *mds_ctx, DLIST_ADD(mds_ctx->query_list, slq); - /* - * TODO: call the SPARQL translator here... - */ - goto error; + ok = map_spotlight_to_sparql_query(slq); + if (!ok) { + /* + * Two cases: + * + * 1) the query string is "false", the parser returns + * an error for that. We're supposed to return -1 + * here. + * + * 2) the parsing really failed, in that case we're + * probably supposed to return -1 too, this needs + * verification though + */ + SLQ_DEBUG(10, slq, "map failed"); + goto error; + } - DEBUG(10, ("SPARQL query: \"%s\"\n", sparql_query)); + DEBUG(10, ("SPARQL query: \"%s\"\n", slq->sparql_query)); g_main_context_push_thread_default(mds_ctx->gcontext); tracker_sparql_connection_query_async(mds_ctx->tracker_con, - sparql_query, + slq->sparql_query, slq->gcancellable, tracker_query_cb, slq); diff --git a/source3/rpc_server/mdssvc/mdssvc.h b/source3/rpc_server/mdssvc/mdssvc.h index 0ad1e489892..2c9dc833121 100644 --- a/source3/rpc_server/mdssvc/mdssvc.h +++ b/source3/rpc_server/mdssvc/mdssvc.h @@ -70,6 +70,7 @@ struct sl_query { uint64_t ctx2; /* client context 2 */ sl_array_t *reqinfo; /* array with requested metadata */ const char *query_string; /* the Spotlight query string */ + const char *sparql_query; /* the SPARQL query string */ uint64_t *cnids; /* restrict query to these CNIDs */ size_t cnids_num; /* Size of slq_cnids array */ const char *path_scope; /* path to directory to search */ diff --git a/source3/rpc_server/mdssvc/sparql_lexer.c b/source3/rpc_server/mdssvc/sparql_lexer.c new file mode 100644 index 00000000000..34bc0ca95b3 --- /dev/null +++ b/source3/rpc_server/mdssvc/sparql_lexer.c @@ -0,0 +1,1834 @@ +#line 2 "sparql_lexer.c" + +#line 4 "sparql_lexer.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 37 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include +#include +#include +#include + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have . Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! C99 */ + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart(yyin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +extern yy_size_t yyleng; + +extern FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, (yytext_ptr) ) + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + yy_size_t yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can SMB_REALLOC() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; +static yy_size_t yy_n_chars; /* number of characters read into yy_ch_buf */ +yy_size_t yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void yyrestart (FILE *input_file ); +void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); +void yy_delete_buffer (YY_BUFFER_STATE b ); +void yy_flush_buffer (YY_BUFFER_STATE b ); +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); +void yypop_buffer_state (void ); + +static void yyensure_buffer_stack (void ); +static void yy_load_buffer_state (void ); +static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); + +#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,yy_size_t len ); + +void *yyalloc (yy_size_t ); +void *yySMB_REALLOC (void *,yy_size_t ); +void yyfree (void * ); + +#define yy_new_buffer yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +typedef unsigned char YY_CHAR; + +FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; + +typedef int yy_state_type; + +extern int yylineno; + +int yylineno = 1; + +extern char *yytext; +#define yytext_ptr yytext + +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; + +#define YY_NUM_RULES 18 +#define YY_END_OF_BUFFER 19 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[57] = + { 0, + 0, 0, 19, 18, 17, 18, 5, 18, 18, 6, + 7, 16, 15, 13, 12, 14, 16, 16, 16, 18, + 18, 18, 18, 11, 0, 8, 16, 0, 0, 0, + 10, 16, 16, 16, 9, 0, 0, 0, 16, 16, + 16, 0, 0, 16, 16, 4, 0, 16, 3, 0, + 16, 0, 1, 0, 2, 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 3, 4, 1, 5, 1, 6, 1, 7, + 8, 9, 1, 10, 9, 11, 1, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 1, 12, + 13, 14, 1, 1, 9, 9, 9, 9, 9, 9, + 9, 9, 15, 9, 9, 9, 9, 9, 9, 9, + 9, 16, 9, 9, 9, 9, 9, 9, 9, 9, + 1, 1, 1, 1, 9, 1, 17, 9, 9, 9, + + 18, 19, 20, 9, 21, 9, 9, 22, 23, 24, + 25, 9, 9, 26, 27, 28, 29, 9, 9, 9, + 9, 9, 1, 30, 1, 1, 1, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, + 31, 1, 1, 32, 32, 32, 32, 32, 32, 32, + + 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 32, 33, 33, 33, 33, 33, 33, 33, + 33, 33, 33, 33, 33, 33, 33, 33, 33, 34, + 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[35] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, + 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, + 1, 2, 2, 2 + } ; + +static yyconst flex_int16_t yy_base[58] = + { 0, + 0, 0, 91, 92, 92, 77, 92, 61, 82, 92, + 92, 3, 92, 92, 74, 92, 14, 25, 15, 56, + 54, 53, 52, 92, 61, 92, 57, 49, 48, 47, + 92, 27, 28, 16, 92, 46, 45, 52, 36, 30, + 37, 43, 55, 48, 38, 47, 59, 39, 45, 47, + 40, 40, 42, 40, 92, 92, 42 + } ; + +static yyconst flex_int16_t yy_def[58] = + { 0, + 56, 1, 56, 56, 56, 56, 56, 56, 56, 56, + 56, 57, 56, 56, 56, 56, 57, 17, 17, 56, + 56, 56, 56, 56, 56, 56, 17, 56, 56, 56, + 56, 17, 17, 17, 56, 56, 56, 56, 17, 17, + 17, 56, 56, 17, 17, 17, 56, 17, 17, 56, + 17, 56, 17, 56, 56, 0, 56 + } ; + +static yyconst flex_int16_t yy_nxt[127] = + { 0, + 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, + 12, 14, 15, 16, 17, 12, 12, 12, 18, 12, + 12, 12, 12, 12, 12, 12, 12, 19, 12, 20, + 4, 21, 22, 23, 28, 29, 30, 32, 27, 27, + 34, 33, 39, 27, 41, 28, 29, 30, 27, 40, + 27, 27, 44, 27, 46, 49, 45, 53, 51, 27, + 27, 27, 27, 27, 55, 27, 54, 52, 27, 50, + 27, 48, 47, 27, 43, 42, 27, 37, 36, 27, + 27, 38, 37, 36, 27, 35, 31, 26, 25, 24, + 56, 3, 56, 56, 56, 56, 56, 56, 56, 56, + + 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56 + } ; + +static yyconst flex_int16_t yy_chk[127] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 12, 12, 12, 17, 19, 34, + 19, 18, 32, 57, 34, 17, 17, 17, 18, 33, + 32, 33, 39, 40, 41, 45, 40, 51, 48, 39, + 41, 45, 48, 51, 54, 53, 52, 50, 49, 47, + 46, 44, 43, 42, 38, 37, 36, 30, 29, 28, + 27, 25, 23, 22, 21, 20, 15, 9, 8, 6, + 3, 56, 56, 56, 56, 56, 56, 56, 56, 56, + + 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, + 56, 56, 56, 56, 56, 56 + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +extern int yy_flex_debug; +int yy_flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *yytext; +#line 1 "sparql_lexer.l" +/* + Unix SMB/CIFS implementation. + Main metadata server / Spotlight routines + + Copyright (C) Ralph Boehme 2012-2014 + + 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 . +*/ +#line 22 "sparql_lexer.l" +#include "includes.h" +#include "sparql_parser.h" + +#define YY_NO_INPUT +#line 519 "sparql_lexer.c" + +#define INITIAL 0 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals (void ); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int yylex_destroy (void ); + +int yyget_debug (void ); + +void yyset_debug (int debug_flag ); + +YY_EXTRA_TYPE yyget_extra (void ); + +void yyset_extra (YY_EXTRA_TYPE user_defined ); + +FILE *yyget_in (void ); + +void yyset_in (FILE * in_str ); + +FILE *yyget_out (void ); + +void yyset_out (FILE * out_str ); + +yy_size_t yyget_leng (void ); + +char *yyget_text (void ); + +int yyget_lineno (void ); + +void yyset_lineno (int line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap (void ); +#else +extern int yywrap (void ); +#endif +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (void ); +#else +static int input (void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + size_t n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int yylex (void); + +#define YY_DECL int yylex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + +#line 39 "sparql_lexer.l" + +#line 701 "sparql_lexer.c" + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_load_buffer_state( ); + } + + while ( 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 + { + register 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 >= 57 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 92 ); + +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 40 "sparql_lexer.l" +return FUNC_INRANGE; + YY_BREAK +case 2: +YY_RULE_SETUP +#line 41 "sparql_lexer.l" +return DATE_ISO; + YY_BREAK +case 3: +YY_RULE_SETUP +#line 42 "sparql_lexer.l" +{yylval.bval = false; return BOOL;} + YY_BREAK +case 4: +YY_RULE_SETUP +#line 43 "sparql_lexer.l" +{yylval.bval = true; return BOOL;} + YY_BREAK +case 5: +YY_RULE_SETUP +#line 44 "sparql_lexer.l" +return QUOTE; + YY_BREAK +case 6: +YY_RULE_SETUP +#line 45 "sparql_lexer.l" +return OBRACE; + YY_BREAK +case 7: +YY_RULE_SETUP +#line 46 "sparql_lexer.l" +return CBRACE; + YY_BREAK +case 8: +YY_RULE_SETUP +#line 47 "sparql_lexer.l" +return AND; + YY_BREAK +case 9: +YY_RULE_SETUP +#line 48 "sparql_lexer.l" +return OR; + YY_BREAK +case 10: +YY_RULE_SETUP +#line 49 "sparql_lexer.l" +return EQUAL; + YY_BREAK +case 11: +YY_RULE_SETUP +#line 50 "sparql_lexer.l" +return UNEQUAL; + YY_BREAK +case 12: +YY_RULE_SETUP +#line 51 "sparql_lexer.l" +return EQUAL; + YY_BREAK +case 13: +YY_RULE_SETUP +#line 52 "sparql_lexer.l" +return LT; + YY_BREAK +case 14: +YY_RULE_SETUP +#line 53 "sparql_lexer.l" +return GT; + YY_BREAK +case 15: +YY_RULE_SETUP +#line 54 "sparql_lexer.l" +return COMMA; + YY_BREAK +case 16: +YY_RULE_SETUP +#line 55 "sparql_lexer.l" +{yylval.sval = talloc_strdup(talloc_tos(), yytext); return WORD;} + YY_BREAK +case 17: +/* rule 17 can match eol */ +YY_RULE_SETUP +#line 56 "sparql_lexer.l" +/* ignore */ + YY_BREAK +case 18: +YY_RULE_SETUP +#line 57 "sparql_lexer.l" +ECHO; + YY_BREAK +#line 875 "sparql_lexer.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 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) +{ + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = (yytext_ptr); + register 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 + { + yy_size_t 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 ) + { + yy_size_t 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. */ + yySMB_REALLOC((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + 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_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yySMB_REALLOC((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + (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) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + + yy_current_state = (yy_start); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + register 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 >= 57 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) 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 ) +{ + register int yy_is_jam; + register char *yy_cp = (yy_c_buf_p); + + register 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 >= 57 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 56); + + return yy_is_jam ? 0 : yy_current_state; +} + +#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 */ + yy_size_t offset = (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 EOF; + + 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(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 SMB_REALLOC on the next call. + */ + num_to_alloc = 1; + (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. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yySMB_REALLOC + ((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 0; + + 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 = 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 = 0; + 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 (yyconst char * yystr ) +{ + + return yy_scan_bytes(yystr,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 (yyconst char * yybytes, yy_size_t _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + yy_size_t i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _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 yy_fatal_error (yyconst char* msg ) +{ + (void) 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. + * + */ +yy_size_t yyget_leng (void) +{ + return yyleng; +} + +/** Get the current token. + * + */ + +char *yyget_text (void) +{ + return yytext; +} + +/** Set the current line number. + * @param 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) = 0; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = (char *) 0; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#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, yyconst char * s2, int n ) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *yyalloc (yy_size_t size ) +{ + return (void *) SMB_MALLOC( size ); +} + +void *yySMB_REALLOC (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 (void *) SMB_REALLOC( (char *) ptr, size ); +} + +void yyfree (void * ptr ) +{ + free( (char *) ptr ); /* see yySMB_REALLOC() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 57 "sparql_lexer.l" + + + diff --git a/source3/rpc_server/mdssvc/sparql_lexer.l b/source3/rpc_server/mdssvc/sparql_lexer.l new file mode 100644 index 00000000000..cbcd358d3f0 --- /dev/null +++ b/source3/rpc_server/mdssvc/sparql_lexer.l @@ -0,0 +1,57 @@ +/* + Unix SMB/CIFS implementation. + Main metadata server / Spotlight routines + + Copyright (C) Ralph Boehme 2012-2014 + + 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 . +*/ + +%{ +#include "includes.h" +#include "sparql_parser.h" + +#define YY_NO_INPUT +%} + +%option nounput + +ASC [a-zA-Z0-9_\*\:\-\.] +U [\x80-\xbf] +U2 [\xc2-\xdf] +U3 [\xe0-\xef] +U4 [\xf0-\xf4] + +UANY {ASC}|{U2}{U}|{U3}{U}{U}|{U4}{U}{U}{U} +UONLY {U2}{U}|{U3}{U}{U}|{U4}{U}{U}{U} + +%% +InRange return FUNC_INRANGE; +\$time\.iso return DATE_ISO; +false {yylval.bval = false; return BOOL;} +true {yylval.bval = true; return BOOL;} +\" return QUOTE; +\( return OBRACE; +\) return CBRACE; +\&\& return AND; +\|\| return OR; +\=\= return EQUAL; +\!\= return UNEQUAL; +\= return EQUAL; +\< return LT; +\> return GT; +\, return COMMA; +{UANY}+ {yylval.sval = talloc_strdup(talloc_tos(), yytext); return WORD;} +[ \t\n] /* ignore */ +%% diff --git a/source3/rpc_server/mdssvc/sparql_parser.c b/source3/rpc_server/mdssvc/sparql_parser.c new file mode 100644 index 00000000000..81702907ffd --- /dev/null +++ b/source3/rpc_server/mdssvc/sparql_parser.c @@ -0,0 +1,1973 @@ +/* A Bison parser, made by GNU Bison 3.0.2. */ + +/* Bison implementation for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2013 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 . */ + +/* 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. */ + +/* 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 + +/* Bison version. */ +#define YYBISON_VERSION "3.0.2" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + + + + +/* Copy the first part of user declarations. */ +#line 21 "sparql_parser.y" /* yacc.c:339 */ + + #include "includes.h" + #include "mdssvc.h" + #include "sparql_parser.h" + #include "sparql_mapping.h" + + #define YYMALLOC SMB_MALLOC + #define YYREALLOC SMB_REALLOC + + struct yy_buffer_state; + typedef struct yy_buffer_state *YY_BUFFER_STATE; + extern int yylex (void); + extern void yyerror (char const *); + extern void *yyterminate(void); + extern YY_BUFFER_STATE yy_scan_string( const char *str); + extern void yy_delete_buffer ( YY_BUFFER_STATE buffer ); + + /* forward declarations */ + static const char *map_expr(const char *attr, char op, const char *val); + static const char *map_daterange(const char *dateattr, + time_t date1, time_t date2); + static time_t isodate2unix(const char *s); + + /* global vars, eg needed by the lexer */ + struct sparql_parser_state { + TALLOC_CTX *frame; + YY_BUFFER_STATE s; + char var; + const char *result; + } *global_sparql_parser_state; + +#line 98 "sparql_parser.c" /* yacc.c:339 */ + +# ifndef YY_NULLPTR +# if defined __cplusplus && 201103L <= __cplusplus +# define YY_NULLPTR nullptr +# else +# define YY_NULLPTR 0 +# endif +# endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 1 +#endif + +/* In a future release of Bison, this section will be replaced + by #include "sparql_parser.h". */ +#ifndef YY_YY_SPARQL_PARSER_H_INCLUDED +# define YY_YY_SPARQL_PARSER_H_INCLUDED +/* Debug traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif +#if YYDEBUG +extern int yydebug; +#endif + +/* Token type. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + enum yytokentype + { + WORD = 258, + BOOL = 259, + FUNC_INRANGE = 260, + DATE_ISO = 261, + OBRACE = 262, + CBRACE = 263, + EQUAL = 264, + UNEQUAL = 265, + GT = 266, + LT = 267, + COMMA = 268, + QUOTE = 269, + AND = 270, + OR = 271 + }; +#endif + +/* Value type. */ +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE YYSTYPE; +union YYSTYPE +{ +#line 61 "sparql_parser.y" /* yacc.c:355 */ + + int ival; + const char *sval; + bool bval; + time_t tval; + +#line 162 "sparql_parser.c" /* yacc.c:355 */ +}; +# define YYSTYPE_IS_TRIVIAL 1 +# define YYSTYPE_IS_DECLARED 1 +#endif + + +extern YYSTYPE yylval; + +int yyparse (void); +/* "%code provides" blocks. */ +#line 53 "sparql_parser.y" /* yacc.c:355 */ + + #include + #include "mdssvc.h" + #define SPRAW_TIME_OFFSET 978307200 + extern int yywrap(void); + extern bool map_spotlight_to_sparql_query(struct sl_query *slq); + +#line 181 "sparql_parser.c" /* yacc.c:355 */ + +#endif /* !YY_YY_SPARQL_PARSER_H_INCLUDED */ + +/* Copy the second part of user declarations. */ + +#line 187 "sparql_parser.c" /* yacc.c:358 */ + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#else +typedef signed char yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include /* 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 +# if (defined __GNUC__ \ + && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__))) \ + || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C +# define YY_ATTRIBUTE(Spec) __attribute__(Spec) +# else +# define YY_ATTRIBUTE(Spec) /* empty */ +# endif +#endif + +#ifndef YY_ATTRIBUTE_PURE +# define YY_ATTRIBUTE_PURE YY_ATTRIBUTE ((__pure__)) +#endif + +#ifndef YY_ATTRIBUTE_UNUSED +# define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__)) +#endif + +#if !defined _Noreturn \ + && (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112) +# if defined _MSC_VER && 1200 <= _MSC_VER +# define _Noreturn __declspec (noreturn) +# else +# define _Noreturn YY_ATTRIBUTE ((__noreturn__)) +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(E) ((void) (E)) +#else +# define YYUSE(E) /* empty */ +#endif + +#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__ +/* Suppress an incorrect diagnostic about yylval being uninitialized. */ +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\ + _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"") +# 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 yyoverflow || YYERROR_VERBOSE + +/* 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 /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS +# include /* 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 /* 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 || 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 +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* 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 (yytype_int16) + sizeof (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 \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*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, (Count) * sizeof (*(Src))) +# else +# define YYCOPY(Dst, Src, Count) \ + do \ + { \ + YYSIZE_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 2 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 52 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 17 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 7 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 22 +/* YYNSTATES -- Number of states. */ +#define YYNSTATES 51 + +/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned + by yylex, with out-of-bounds checking. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 271 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM + as returned by yylex, without out-of-bounds checking. */ +static const yytype_uint8 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, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 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, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16 +}; + +#if YYDEBUG + /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ +static const yytype_uint8 yyrline[] = +{ + 0, 83, 83, 85, 89, 95, 118, 125, 128, 131, + 134, 137, 147, 151, 155, 159, 163, 167, 171, 175, + 182, 189, 190 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || 1 +/* YYTNAME[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", "WORD", "BOOL", "FUNC_INRANGE", + "DATE_ISO", "OBRACE", "CBRACE", "EQUAL", "UNEQUAL", "GT", "LT", "COMMA", + "QUOTE", "AND", "OR", "$accept", "input", "line", "expr", "match", + "function", "date", YY_NULLPTR +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[NUM] -- (External) token number corresponding to the + (internal) symbol number NUM (which must be that of a token). */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 269, 270, 271 +}; +# endif + +#define YYPACT_NINF -10 + +#define yypact_value_is_default(Yystate) \ + (!!((Yystate) == (-10))) + +#define YYTABLE_NINF -1 + +#define yytable_value_is_error(Yytable_value) \ + 0 + + /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +static const yytype_int8 yypact[] = +{ + -10, 10, -10, 9, -10, -2, -1, -10, 8, -9, + -10, 2, 12, 13, 14, 26, -7, -1, -1, 27, + 28, 29, 30, 31, 22, -10, 20, -10, -10, 23, + 24, 25, 32, 19, 37, 38, 39, 40, -10, 41, + 34, -10, -10, -10, -10, 42, 19, 36, 43, -10, + -10 +}; + + /* 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_uint8 yydefact[] = +{ + 2, 0, 1, 0, 5, 0, 0, 3, 4, 7, + 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 9, 10, 11, 6, 0, + 0, 0, 0, 0, 12, 13, 15, 14, 22, 0, + 0, 16, 17, 19, 18, 0, 0, 0, 0, 21, + 20 +}; + + /* YYPGOTO[NTERM-NUM]. */ +static const yytype_int8 yypgoto[] = +{ + -10, -10, -10, -6, 33, -10, 3 +}; + + /* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int8 yydefgoto[] = +{ + -1, 1, 7, 8, 9, 10, 40 +}; + + /* 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_uint8 yytable[] = +{ + 16, 25, 3, 4, 5, 15, 6, 19, 17, 18, + 2, 26, 27, 3, 4, 5, 20, 6, 11, 12, + 13, 14, 38, 17, 18, 39, 21, 22, 23, 24, + 3, 29, 30, 31, 32, 33, 18, 34, 35, 36, + 41, 42, 43, 44, 49, 47, 37, 46, 45, 48, + 0, 50, 28 +}; + +static const yytype_int8 yycheck[] = +{ + 6, 8, 3, 4, 5, 7, 7, 16, 15, 16, + 0, 17, 18, 3, 4, 5, 14, 7, 9, 10, + 11, 12, 3, 15, 16, 6, 14, 14, 14, 3, + 3, 3, 3, 3, 3, 13, 16, 14, 14, 14, + 3, 3, 3, 3, 8, 3, 14, 13, 7, 46, + -1, 8, 19 +}; + + /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 18, 0, 3, 4, 5, 7, 19, 20, 21, + 22, 9, 10, 11, 12, 7, 20, 15, 16, 16, + 14, 14, 14, 14, 3, 8, 20, 20, 21, 3, + 3, 3, 3, 13, 14, 14, 14, 14, 3, 6, + 23, 3, 3, 3, 3, 7, 13, 3, 23, 8, + 8 +}; + + /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 17, 18, 18, 19, 20, 20, 20, 20, 20, + 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, + 22, 23, 23 +}; + + /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 0, 2, 1, 1, 3, 1, 1, 3, + 3, 3, 5, 5, 5, 5, 6, 6, 6, 6, + 8, 4, 1 +}; + + +#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 + + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + YYPOPSTACK (yylen); \ + yystate = *yyssp; \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (0) + +/* Error token number */ +#define YYTERROR 1 +#define YYERRCODE 256 + + + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) + +/* This macro is provided for backward compatibility. */ +#ifndef YY_LOCATION_PRINT +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +#endif + + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (0) + + +/*----------------------------------------. +| Print this symbol's value on YYOUTPUT. | +`----------------------------------------*/ + +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +{ + FILE *yyo = yyoutput; + YYUSE (yyo); + if (!yyvaluep) + return; +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# endif + YYUSE (yytype); +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +{ + YYFPRINTF (yyoutput, "%s %s (", + yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]); + + yy_symbol_value_print (yyoutput, yytype, yyvaluep); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *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 (yytype_int16 *yyssp, YYSTYPE *yyvsp, int yyrule) +{ + unsigned long int yylno = yyrline[yyrule]; + int yynrhs = yyr2[yyrule]; + int yyi; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, + yystos[yyssp[yyi + 1 - yynrhs]], + &(yyvsp[(yyi + 1) - (yynrhs)]) + ); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyssp, yyvsp, 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 + YYSTACK_ALLOC_MAXIMUM < 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 +yystrlen (const char *yystr) +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# 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 * +yystpcpy (char *yydest, const char *yysrc) +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message + about the unexpected token YYTOKEN for the state stack whose top is + YYSSP. + + Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is + not large enough to hold the message. In that case, also set + *YYMSG_ALLOC to the required number of bytes. Return 2 if the + required number of bytes is too large to store. */ +static int +yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, + yytype_int16 *yyssp, int yytoken) +{ + YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]); + YYSIZE_T yysize = yysize0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + /* Internationalized format string. */ + const char *yyformat = YY_NULLPTR; + /* Arguments of yyformat. */ + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + /* Number of reported tokens (one for the "unexpected", one per + "expected"). */ + int yycount = 0; + + /* There are many possibilities here to consider: + - If this state is a consistent state with a default action, then + the only way this function was invoked is if the default action + is an error action. In that case, don't check for expected + tokens because there are none. + - The only way there can be no lookahead present (in yychar) is if + this state is a consistent state with a default action. Thus, + detecting the absence of a lookahead is sufficient to determine + that there is no unexpected or expected token to report. In that + case, just report a simple "syntax error". + - Don't assume there isn't a lookahead just because this state is a + consistent state with a default action. There might have been a + previous inconsistent state, consistent state with a non-default + action, or user semantic action that manipulated yychar. + - Of course, the expected token list depends on states to have + correct lookahead information, and it depends on the parser not + to perform extra reductions after fetching a lookahead from the + scanner and before detecting a syntax error. Thus, state merging + (from LALR or IELR) and default reductions corrupt the expected + token list. However, the list is correct for canonical LR with + one exception: it will still contain any token that will not be + accepted due to an error action in a later state. + */ + if (yytoken != YYEMPTY) + { + int yyn = yypact[*yyssp]; + yyarg[yycount++] = yytname[yytoken]; + if (!yypact_value_is_default (yyn)) + { + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. In other words, skip the first -YYN actions for + this state because they are default actions. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yyx; + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR + && !yytable_value_is_error (yytable[yyx + yyn])) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + break; + } + yyarg[yycount++] = yytname[yyx]; + { + YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]); + if (! (yysize <= yysize1 + && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + } + } + } + } + + switch (yycount) + { +# define YYCASE_(N, S) \ + case N: \ + yyformat = S; \ + break + YYCASE_(0, YY_("syntax error")); + YYCASE_(1, YY_("syntax error, unexpected %s")); + YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s")); + YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s")); + YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s")); + YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s")); +# undef YYCASE_ + } + + { + YYSIZE_T yysize1 = yysize + yystrlen (yyformat); + if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + } + + if (*yymsg_alloc < yysize) + { + *yymsg_alloc = 2 * yysize; + if (! (yysize <= *yymsg_alloc + && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) + *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; + return 1; + } + + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + { + char *yyp = *yymsg; + int yyi = 0; + while ((*yyp = *yyformat) != '\0') + if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyformat += 2; + } + else + { + yyp++; + yyformat++; + } + } + return 0; +} +#endif /* YYERROR_VERBOSE */ + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) +{ + YYUSE (yyvaluep); + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + YYUSE (yytype); + YY_IGNORE_MAYBE_UNINITIALIZED_END +} + + + + +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; +/* Number of syntax errors so far. */ +int yynerrs; + + +/*----------. +| yyparse. | +`----------*/ + +int +yyparse (void) +{ + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + 'yyss': related to states. + 'yyvs': related to semantic values. + + Refer to the stacks through separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken = 0; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#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; + + yyssp = yyss = yyssa; + yyvsp = yyvs = yyvsa; + yystacksize = YYINITDEPTH; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + 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: + *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; + yytype_int16 *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 (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, 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)); + + 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 YYEMPTY or YYEOF or a valid lookahead 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 (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); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + *++yyvsp = yylval; + YY_IGNORE_MAYBE_UNINITIALIZED_END + + 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 4: +#line 89 "sparql_parser.y" /* yacc.c:1646 */ + { + global_sparql_parser_state->result = (yyvsp[0].sval); +} +#line 1290 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 5: +#line 95 "sparql_parser.y" /* yacc.c:1646 */ + { + /* + * We can't properly handle these in expressions, fortunately this + * is probably only ever used by OS X as sole element in an + * expression ie "False" (when Finder window selected our share + * but no search string entered yet). Packet traces showed that OS + * X Spotlight server then returns a failure (ie -1) which is what + * we do here too by calling YYABORT. + */ + YYABORT; +} +#line 1306 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 6: +#line 118 "sparql_parser.y" /* yacc.c:1646 */ + { + if (strcmp((yyvsp[-2].sval), (yyvsp[0].sval)) != 0) { + (yyval.sval) = talloc_asprintf(talloc_tos(), "{ %s } UNION { %s }", (yyvsp[-2].sval), (yyvsp[0].sval)); + } else { + (yyval.sval) = talloc_asprintf(talloc_tos(), "%s", (yyvsp[-2].sval)); + } +} +#line 1318 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 7: +#line 125 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = (yyvsp[0].sval); +} +#line 1326 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 8: +#line 128 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = (yyvsp[0].sval); +} +#line 1334 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 9: +#line 131 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = talloc_asprintf(talloc_tos(), "%s", (yyvsp[-1].sval)); +} +#line 1342 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 10: +#line 134 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = talloc_asprintf(talloc_tos(), "%s . %s", (yyvsp[-2].sval), (yyvsp[0].sval)); +} +#line 1350 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 11: +#line 137 "sparql_parser.y" /* yacc.c:1646 */ + { + if (strcmp((yyvsp[-2].sval), (yyvsp[0].sval)) != 0) { + (yyval.sval) = talloc_asprintf(talloc_tos(), "{ %s } UNION { %s }", (yyvsp[-2].sval), (yyvsp[0].sval)); + } else { + (yyval.sval) = talloc_asprintf(talloc_tos(), "%s", (yyvsp[-2].sval)); + } +} +#line 1362 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 12: +#line 147 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = map_expr((yyvsp[-4].sval), '=', (yyvsp[-1].sval)); + if ((yyval.sval) == NULL) YYABORT; +} +#line 1371 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 13: +#line 151 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = map_expr((yyvsp[-4].sval), '!', (yyvsp[-1].sval)); + if ((yyval.sval) == NULL) YYABORT; +} +#line 1380 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 14: +#line 155 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = map_expr((yyvsp[-4].sval), '<', (yyvsp[-1].sval)); + if ((yyval.sval) == NULL) YYABORT; +} +#line 1389 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 15: +#line 159 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = map_expr((yyvsp[-4].sval), '>', (yyvsp[-1].sval)); + if ((yyval.sval) == NULL) YYABORT; +} +#line 1398 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 16: +#line 163 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = map_expr((yyvsp[-5].sval), '=', (yyvsp[-2].sval)); + if ((yyval.sval) == NULL) YYABORT; +} +#line 1407 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 17: +#line 167 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = map_expr((yyvsp[-5].sval), '!', (yyvsp[-2].sval)); + if ((yyval.sval) == NULL) YYABORT; +} +#line 1416 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 18: +#line 171 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = map_expr((yyvsp[-5].sval), '<', (yyvsp[-2].sval)); + if ((yyval.sval) == NULL) YYABORT; +} +#line 1425 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 19: +#line 175 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = map_expr((yyvsp[-5].sval), '>', (yyvsp[-2].sval)); + if ((yyval.sval) == NULL) YYABORT; +} +#line 1434 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 20: +#line 182 "sparql_parser.y" /* yacc.c:1646 */ + { + (yyval.sval) = map_daterange((yyvsp[-5].sval), (yyvsp[-3].tval), (yyvsp[-1].tval)); + if ((yyval.sval) == NULL) YYABORT; +} +#line 1443 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 21: +#line 189 "sparql_parser.y" /* yacc.c:1646 */ + {(yyval.tval) = isodate2unix((yyvsp[-1].sval));} +#line 1449 "sparql_parser.c" /* yacc.c:1646 */ + break; + + case 22: +#line 190 "sparql_parser.y" /* yacc.c:1646 */ + {(yyval.tval) = atoi((yyvsp[0].sval)) + SPRAW_TIME_OFFSET;} +#line 1455 "sparql_parser.c" /* yacc.c:1646 */ + break; + + +#line 1459 "sparql_parser.c" /* yacc.c:1646 */ + 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 ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + 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: + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar); + + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (YY_("syntax error")); +#else +# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \ + yyssp, yytoken) + { + char const *yymsgp = YY_("syntax error"); + int yysyntax_error_status; + yysyntax_error_status = YYSYNTAX_ERROR; + if (yysyntax_error_status == 0) + yymsgp = yymsg; + else if (yysyntax_error_status == 1) + { + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc); + if (!yymsg) + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + yysyntax_error_status = 2; + } + else + { + yysyntax_error_status = YYSYNTAX_ERROR; + yymsgp = yymsg; + } + } + yyerror (yymsgp); + if (yysyntax_error_status == 2) + goto yyexhaustedlab; + } +# undef YYSYNTAX_ERROR +#endif + } + + + + 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); + 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 like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + /* 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. */ + + for (;;) + { + yyn = yypact[yystate]; + if (!yypact_value_is_default (yyn)) + { + 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 (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", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined yyoverflow || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + 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); + } + /* 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", + yystos[*yyssp], yyvsp); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + return yyresult; +} +#line 193 "sparql_parser.y" /* yacc.c:1906 */ + + +static time_t isodate2unix(const char *s) +{ + struct tm tm; + const char *p; + + p = strptime(s, "%Y-%m-%dT%H:%M:%SZ", &tm); + if (p == NULL) { + return (time_t)-1; + } + return mktime(&tm); +} + +static const char *map_daterange(const char *dateattr, + time_t date1, time_t date2) +{ + struct sparql_parser_state *s = global_sparql_parser_state; + int result = 0; + char *sparql = NULL; + const struct sl_attr_map *p; + struct tm *tmp; + char buf1[64], buf2[64]; + + if (s->var == 'z') { + return NULL; + } + + tmp = localtime(&date1); + if (tmp == NULL) { + return NULL; + } + result = strftime(buf1, sizeof(buf1), "%Y-%m-%dT%H:%M:%SZ", tmp); + if (result == 0) { + return NULL; + } + + tmp = localtime(&date2); + if (tmp == NULL) { + return NULL; + } + result = strftime(buf2, sizeof(buf2), "%Y-%m-%dT%H:%M:%SZ", tmp); + if (result == 0) { + return NULL; + } + + p = sl_attr_map_by_spotlight(dateattr); + if (p == NULL) { + return NULL; + } + + sparql = talloc_asprintf(talloc_tos(), + "?obj %s ?%c FILTER (?%c > '%s' && ?%c < '%s')", + p->sparql_attr, + s->var, + s->var, + buf1, + s->var, + buf2); + if (sparql == NULL) { + return NULL; + } + + s->var++; + return sparql; +} + +static char *map_type_search(const char *attr, char op, const char *val) +{ + char *result = NULL; + const char *sparqlAttr; + const struct sl_type_map *p; + + p = sl_type_map_by_spotlight(val); + if (p == NULL) { + return NULL; + } + + switch (p->type) { + case kMDTypeMapRDF: + sparqlAttr = "rdf:type"; + break; + case kMDTypeMapMime: + sparqlAttr = "nie:mimeType"; + break; + default: + return NULL; + } + + result = talloc_asprintf(talloc_tos(), "?obj %s '%s'", + sparqlAttr, + p->sparql_type); + if (result == NULL) { + return NULL; + } + + return result; +} + +static const char *map_expr(const char *attr, char op, const char *val) +{ + struct sparql_parser_state *s = global_sparql_parser_state; + int result = 0; + char *sparql = NULL; + const struct sl_attr_map *p; + time_t t; + struct tm *tmp; + char buf1[64]; + char *q; + const char *start; + + if (s->var == 'z') { + return NULL; + } + + p = sl_attr_map_by_spotlight(attr); + if (p == NULL) { + return NULL; + } + + if ((p->type != ssmt_type) && (p->sparql_attr == NULL)) { + yyerror("unsupported Spotlight attribute"); + return NULL; + } + + switch (p->type) { + case ssmt_bool: + sparql = talloc_asprintf(talloc_tos(), "?obj %s '%s'", + p->sparql_attr, val); + if (sparql == NULL) { + return NULL; + } + break; + + case ssmt_num: + sparql = talloc_asprintf(talloc_tos(), + "?obj %s ?%c FILTER(?%c %c%c '%s')", + p->sparql_attr, + s->var, + s->var, + op, + /* append '=' to '!' */ + op == '!' ? '=' : ' ', + val); + if (sparql == NULL) { + return NULL; + } + s->var++; + break; + + case ssmt_str: + q = talloc_strdup(talloc_tos(), ""); + if (q == NULL) { + return NULL; + } + start = val; + while (*val) { + if (*val != '*') { + val++; + continue; + } + if (val > start) { + q = talloc_strndup_append(q, start, val - start); + if (q == NULL) { + return NULL; + } + } + q = talloc_strdup_append(q, ".*"); + if (q == NULL) { + return NULL; + } + val++; + start = val; + } + if (val > start) { + q = talloc_strndup_append(q, start, val - start); + if (q == NULL) { + return NULL; + } + } + sparql = talloc_asprintf(talloc_tos(), + "?obj %s ?%c " + "FILTER(regex(?%c, '^%s$', 'i'))", + p->sparql_attr, + s->var, + s->var, + q); + TALLOC_FREE(q); + if (sparql == NULL) { + return NULL; + } + s->var++; + break; + + case ssmt_fts: + sparql = talloc_asprintf(talloc_tos(), "?obj %s '%s'", + p->sparql_attr, val); + if (sparql == NULL) { + return NULL; + } + break; + + case ssmt_date: + t = atoi(val) + SPRAW_TIME_OFFSET; + tmp = localtime(&t); + if (tmp == NULL) { + return NULL; + } + result = strftime(buf1, sizeof(buf1), + "%Y-%m-%dT%H:%M:%SZ", tmp); + if (result == 0) { + return NULL; + } + sparql = talloc_asprintf(talloc_tos(), + "?obj %s ?%c FILTER(?%c %c '%s')", + p->sparql_attr, + s->var, + s->var, + op, + buf1); + if (sparql == NULL) { + return NULL; + } + s->var++; + break; + + case ssmt_type: + sparql = map_type_search(attr, op, val); + if (sparql == NULL) { + return NULL; + } + break; + + default: + return NULL; + } + + return sparql; +} + +void yyerror(const char *str) +{ + DEBUG(1, ("yyerror: %s\n", str)); +} + +int yywrap(void) +{ + return 1; +} + +/** + * Map a Spotlight RAW query string to a SPARQL query string + **/ +bool map_spotlight_to_sparql_query(struct sl_query *slq) +{ + struct sparql_parser_state s = { + .frame = talloc_stackframe(), + .var = 'a', + }; + int result; + + s.s = yy_scan_string(slq->query_string); + if (s.s == NULL) { + TALLOC_FREE(s.frame); + return false; + } + global_sparql_parser_state = &s; + result = yyparse(); + global_sparql_parser_state = NULL; + yy_delete_buffer(s.s); + + if (result != 0) { + TALLOC_FREE(s.frame); + return false; + } + + slq->sparql_query = talloc_asprintf(slq, + "SELECT ?url WHERE { %s . ?obj nie:url ?url . " + "FILTER(tracker:uri-is-descendant('file://%s/', ?url)) }", + s.result, slq->path_scope); + TALLOC_FREE(s.frame); + if (slq->sparql_query == NULL) { + return false; + } + + return true; +} diff --git a/source3/rpc_server/mdssvc/sparql_parser.h b/source3/rpc_server/mdssvc/sparql_parser.h new file mode 100644 index 00000000000..943ad9a8ecf --- /dev/null +++ b/source3/rpc_server/mdssvc/sparql_parser.h @@ -0,0 +1,98 @@ +/* A Bison parser, made by GNU Bison 3.0.2. */ + +/* Bison interface for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2013 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 . */ + +/* 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. */ + +#ifndef YY_YY_SPARQL_PARSER_H_INCLUDED +# define YY_YY_SPARQL_PARSER_H_INCLUDED +/* Debug traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif +#if YYDEBUG +extern int yydebug; +#endif + +/* Token type. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + enum yytokentype + { + WORD = 258, + BOOL = 259, + FUNC_INRANGE = 260, + DATE_ISO = 261, + OBRACE = 262, + CBRACE = 263, + EQUAL = 264, + UNEQUAL = 265, + GT = 266, + LT = 267, + COMMA = 268, + QUOTE = 269, + AND = 270, + OR = 271 + }; +#endif + +/* Value type. */ +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE YYSTYPE; +union YYSTYPE +{ +#line 61 "sparql_parser.y" /* yacc.c:1909 */ + + int ival; + const char *sval; + bool bval; + time_t tval; + +#line 78 "sparql_parser.h" /* yacc.c:1909 */ +}; +# define YYSTYPE_IS_TRIVIAL 1 +# define YYSTYPE_IS_DECLARED 1 +#endif + + +extern YYSTYPE yylval; + +int yyparse (void); +/* "%code provides" blocks. */ +#line 53 "sparql_parser.y" /* yacc.c:1909 */ + + #include + #include "mdssvc.h" + #define SPRAW_TIME_OFFSET 978307200 + extern int yywrap(void); + extern bool map_spotlight_to_sparql_query(struct sl_query *slq); + +#line 97 "sparql_parser.h" /* yacc.c:1909 */ + +#endif /* !YY_YY_SPARQL_PARSER_H_INCLUDED */ diff --git a/source3/rpc_server/mdssvc/sparql_parser.y b/source3/rpc_server/mdssvc/sparql_parser.y new file mode 100644 index 00000000000..7a151dc4a41 --- /dev/null +++ b/source3/rpc_server/mdssvc/sparql_parser.y @@ -0,0 +1,479 @@ +/* + Unix SMB/CIFS implementation. + Main metadata server / Spotlight routines + + Copyright (C) Ralph Boehme 2012-2014 + + 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 . +*/ + +%{ + #include "includes.h" + #include "mdssvc.h" + #include "sparql_parser.h" + #include "sparql_mapping.h" + + #define YYMALLOC SMB_MALLOC + #define YYREALLOC SMB_REALLOC + + struct yy_buffer_state; + typedef struct yy_buffer_state *YY_BUFFER_STATE; + extern int yylex (void); + extern void yyerror (char const *); + extern void *yyterminate(void); + extern YY_BUFFER_STATE yy_scan_string( const char *str); + extern void yy_delete_buffer ( YY_BUFFER_STATE buffer ); + + /* forward declarations */ + static const char *map_expr(const char *attr, char op, const char *val); + static const char *map_daterange(const char *dateattr, + time_t date1, time_t date2); + static time_t isodate2unix(const char *s); + + /* global vars, eg needed by the lexer */ + struct sparql_parser_state { + TALLOC_CTX *frame; + YY_BUFFER_STATE s; + char var; + const char *result; + } *global_sparql_parser_state; +%} + +%code provides { + #include + #include "mdssvc.h" + #define SPRAW_TIME_OFFSET 978307200 + extern int yywrap(void); + extern bool map_spotlight_to_sparql_query(struct sl_query *slq); +} + +%union { + int ival; + const char *sval; + bool bval; + time_t tval; +} + +%expect 5 +%error-verbose + +%type match expr line function +%type date + +%token WORD +%token BOOL +%token FUNC_INRANGE +%token DATE_ISO +%token OBRACE CBRACE EQUAL UNEQUAL GT LT COMMA QUOTE +%left AND +%left OR +%% + +input: +/* empty */ +| input line +; + +line: +expr { + global_sparql_parser_state->result = $1; +} +; + +expr: +BOOL { + /* + * We can't properly handle these in expressions, fortunately this + * is probably only ever used by OS X as sole element in an + * expression ie "False" (when Finder window selected our share + * but no search string entered yet). Packet traces showed that OS + * X Spotlight server then returns a failure (ie -1) which is what + * we do here too by calling YYABORT. + */ + YYABORT; +} +/* + * We have "match OR match" and "expr OR expr", because the former is + * supposed to catch and coalesque expressions of the form + * + * MDSattribute1="hello"||MDSattribute2="hello" + * + * into a single SPARQL expression for the case where both + * MDSattribute1 and MDSattribute2 map to the same SPARQL attibute, + * which is eg the case for "*" and "kMDItemTextContent" which both + * map to SPARQL "fts:match". + */ + +| match OR match { + if (strcmp($1, $3) != 0) { + $$ = talloc_asprintf(talloc_tos(), "{ %s } UNION { %s }", $1, $3); + } else { + $$ = talloc_asprintf(talloc_tos(), "%s", $1); + } +} +| match { + $$ = $1; +} +| function { + $$ = $1; +} +| OBRACE expr CBRACE { + $$ = talloc_asprintf(talloc_tos(), "%s", $2); +} +| expr AND expr { + $$ = talloc_asprintf(talloc_tos(), "%s . %s", $1, $3); +} +| expr OR expr { + if (strcmp($1, $3) != 0) { + $$ = talloc_asprintf(talloc_tos(), "{ %s } UNION { %s }", $1, $3); + } else { + $$ = talloc_asprintf(talloc_tos(), "%s", $1); + } +} +; + +match: +WORD EQUAL QUOTE WORD QUOTE { + $$ = map_expr($1, '=', $4); + if ($$ == NULL) YYABORT; +} +| WORD UNEQUAL QUOTE WORD QUOTE { + $$ = map_expr($1, '!', $4); + if ($$ == NULL) YYABORT; +} +| WORD LT QUOTE WORD QUOTE { + $$ = map_expr($1, '<', $4); + if ($$ == NULL) YYABORT; +} +| WORD GT QUOTE WORD QUOTE { + $$ = map_expr($1, '>', $4); + if ($$ == NULL) YYABORT; +} +| WORD EQUAL QUOTE WORD QUOTE WORD { + $$ = map_expr($1, '=', $4); + if ($$ == NULL) YYABORT; +} +| WORD UNEQUAL QUOTE WORD QUOTE WORD { + $$ = map_expr($1, '!', $4); + if ($$ == NULL) YYABORT; +} +| WORD LT QUOTE WORD QUOTE WORD { + $$ = map_expr($1, '<', $4); + if ($$ == NULL) YYABORT; +} +| WORD GT QUOTE WORD QUOTE WORD { + $$ = map_expr($1, '>', $4); + if ($$ == NULL) YYABORT; +} +; + +function: +FUNC_INRANGE OBRACE WORD COMMA date COMMA date CBRACE { + $$ = map_daterange($3, $5, $7); + if ($$ == NULL) YYABORT; +} +; + +date: +DATE_ISO OBRACE WORD CBRACE {$$ = isodate2unix($3);} +| WORD {$$ = atoi($1) + SPRAW_TIME_OFFSET;} +; + +%% + +static time_t isodate2unix(const char *s) +{ + struct tm tm; + const char *p; + + p = strptime(s, "%Y-%m-%dT%H:%M:%SZ", &tm); + if (p == NULL) { + return (time_t)-1; + } + return mktime(&tm); +} + +static const char *map_daterange(const char *dateattr, + time_t date1, time_t date2) +{ + struct sparql_parser_state *s = global_sparql_parser_state; + int result = 0; + char *sparql = NULL; + const struct sl_attr_map *p; + struct tm *tmp; + char buf1[64], buf2[64]; + + if (s->var == 'z') { + return NULL; + } + + tmp = localtime(&date1); + if (tmp == NULL) { + return NULL; + } + result = strftime(buf1, sizeof(buf1), "%Y-%m-%dT%H:%M:%SZ", tmp); + if (result == 0) { + return NULL; + } + + tmp = localtime(&date2); + if (tmp == NULL) { + return NULL; + } + result = strftime(buf2, sizeof(buf2), "%Y-%m-%dT%H:%M:%SZ", tmp); + if (result == 0) { + return NULL; + } + + p = sl_attr_map_by_spotlight(dateattr); + if (p == NULL) { + return NULL; + } + + sparql = talloc_asprintf(talloc_tos(), + "?obj %s ?%c FILTER (?%c > '%s' && ?%c < '%s')", + p->sparql_attr, + s->var, + s->var, + buf1, + s->var, + buf2); + if (sparql == NULL) { + return NULL; + } + + s->var++; + return sparql; +} + +static char *map_type_search(const char *attr, char op, const char *val) +{ + char *result = NULL; + const char *sparqlAttr; + const struct sl_type_map *p; + + p = sl_type_map_by_spotlight(val); + if (p == NULL) { + return NULL; + } + + switch (p->type) { + case kMDTypeMapRDF: + sparqlAttr = "rdf:type"; + break; + case kMDTypeMapMime: + sparqlAttr = "nie:mimeType"; + break; + default: + return NULL; + } + + result = talloc_asprintf(talloc_tos(), "?obj %s '%s'", + sparqlAttr, + p->sparql_type); + if (result == NULL) { + return NULL; + } + + return result; +} + +static const char *map_expr(const char *attr, char op, const char *val) +{ + struct sparql_parser_state *s = global_sparql_parser_state; + int result = 0; + char *sparql = NULL; + const struct sl_attr_map *p; + time_t t; + struct tm *tmp; + char buf1[64]; + char *q; + const char *start; + + if (s->var == 'z') { + return NULL; + } + + p = sl_attr_map_by_spotlight(attr); + if (p == NULL) { + return NULL; + } + + if ((p->type != ssmt_type) && (p->sparql_attr == NULL)) { + yyerror("unsupported Spotlight attribute"); + return NULL; + } + + switch (p->type) { + case ssmt_bool: + sparql = talloc_asprintf(talloc_tos(), "?obj %s '%s'", + p->sparql_attr, val); + if (sparql == NULL) { + return NULL; + } + break; + + case ssmt_num: + sparql = talloc_asprintf(talloc_tos(), + "?obj %s ?%c FILTER(?%c %c%c '%s')", + p->sparql_attr, + s->var, + s->var, + op, + /* append '=' to '!' */ + op == '!' ? '=' : ' ', + val); + if (sparql == NULL) { + return NULL; + } + s->var++; + break; + + case ssmt_str: + q = talloc_strdup(talloc_tos(), ""); + if (q == NULL) { + return NULL; + } + start = val; + while (*val) { + if (*val != '*') { + val++; + continue; + } + if (val > start) { + q = talloc_strndup_append(q, start, val - start); + if (q == NULL) { + return NULL; + } + } + q = talloc_strdup_append(q, ".*"); + if (q == NULL) { + return NULL; + } + val++; + start = val; + } + if (val > start) { + q = talloc_strndup_append(q, start, val - start); + if (q == NULL) { + return NULL; + } + } + sparql = talloc_asprintf(talloc_tos(), + "?obj %s ?%c " + "FILTER(regex(?%c, '^%s$', 'i'))", + p->sparql_attr, + s->var, + s->var, + q); + TALLOC_FREE(q); + if (sparql == NULL) { + return NULL; + } + s->var++; + break; + + case ssmt_fts: + sparql = talloc_asprintf(talloc_tos(), "?obj %s '%s'", + p->sparql_attr, val); + if (sparql == NULL) { + return NULL; + } + break; + + case ssmt_date: + t = atoi(val) + SPRAW_TIME_OFFSET; + tmp = localtime(&t); + if (tmp == NULL) { + return NULL; + } + result = strftime(buf1, sizeof(buf1), + "%Y-%m-%dT%H:%M:%SZ", tmp); + if (result == 0) { + return NULL; + } + sparql = talloc_asprintf(talloc_tos(), + "?obj %s ?%c FILTER(?%c %c '%s')", + p->sparql_attr, + s->var, + s->var, + op, + buf1); + if (sparql == NULL) { + return NULL; + } + s->var++; + break; + + case ssmt_type: + sparql = map_type_search(attr, op, val); + if (sparql == NULL) { + return NULL; + } + break; + + default: + return NULL; + } + + return sparql; +} + +void yyerror(const char *str) +{ + DEBUG(1, ("yyerror: %s\n", str)); +} + +int yywrap(void) +{ + return 1; +} + +/** + * Map a Spotlight RAW query string to a SPARQL query string + **/ +bool map_spotlight_to_sparql_query(struct sl_query *slq) +{ + struct sparql_parser_state s = { + .frame = talloc_stackframe(), + .var = 'a', + }; + int result; + + s.s = yy_scan_string(slq->query_string); + if (s.s == NULL) { + TALLOC_FREE(s.frame); + return false; + } + global_sparql_parser_state = &s; + result = yyparse(); + global_sparql_parser_state = NULL; + yy_delete_buffer(s.s); + + if (result != 0) { + TALLOC_FREE(s.frame); + return false; + } + + slq->sparql_query = talloc_asprintf(slq, + "SELECT ?url WHERE { %s . ?obj nie:url ?url . " + "FILTER(tracker:uri-is-descendant('file://%s/', ?url)) }", + s.result, slq->path_scope); + TALLOC_FREE(s.frame); + if (slq->sparql_query == NULL) { + return false; + } + + return true; +} diff --git a/source3/rpc_server/mdssvc/sparql_parser_test.c b/source3/rpc_server/mdssvc/sparql_parser_test.c new file mode 100644 index 00000000000..8e4789d2ba1 --- /dev/null +++ b/source3/rpc_server/mdssvc/sparql_parser_test.c @@ -0,0 +1,38 @@ +#include "includes.h" +#include "mdssvc.h" +#include "sparql_parser.h" + +/* + * Examples: + * + * $ ./spotlight2sparql '_kMDItemGroupId=="11"' + * ... + * $ ./spotlight2sparql '*=="test*"cwd||kMDItemTextContent=="test*"cwd' + * ... + */ + +int main(int argc, char **argv) +{ + bool ok; + struct sl_query *slq; + + if (argc != 2) { + printf("usage: %s QUERY\n", argv[0]); + return 1; + } + + slq = talloc_zero(NULL, struct sl_query); + if (slq == NULL) { + printf("talloc error\n"); + return 1; + } + + slq->query_string = argv[1]; + slq->path_scope = "/foo/bar"; + + ok = map_spotlight_to_sparql_query(slq); + printf("%s\n", ok ? slq->sparql_query : "*mapping failed*"); + + talloc_free(slq); + return ok ? 0 : 1; +} diff --git a/source3/rpc_server/wscript_build b/source3/rpc_server/wscript_build index 1da41f205f3..99e2b062695 100755 --- a/source3/rpc_server/wscript_build +++ b/source3/rpc_server/wscript_build @@ -133,6 +133,8 @@ bld.SAMBA3_SUBSYSTEM('RPC_MDSSVC', mdssvc/dalloc.c mdssvc/marshalling.c mdssvc/sparql_mapping.c + mdssvc/sparql_parser.c + mdssvc/sparql_lexer.c mdssvc/srv_mdssvc_nt.c ../../librpc/gen_ndr/srv_mdssvc.c''', deps='samba-util ' + bld.env['libtracker'], diff --git a/source3/wscript_build b/source3/wscript_build index 231f1c0328c..79a0158218e 100755 --- a/source3/wscript_build +++ b/source3/wscript_build @@ -1496,6 +1496,16 @@ bld.SAMBA3_BINARY('samba-regedit', deps='ncurses menu panel form registry param popt_samba3 smbregistry', enabled=bld.env.build_regedit) +bld.SAMBA3_BINARY('spotlight2sparql', + source=''' + rpc_server/mdssvc/sparql_parser_test.c + rpc_server/mdssvc/sparql_parser.c + rpc_server/mdssvc/sparql_lexer.c + rpc_server/mdssvc/sparql_mapping.c''', + deps='samba3-util talloc ' + bld.env['libtracker'], + enabled=bld.env.with_spotlight, + install=False) + ########################## INCLUDES ################################# bld.RECURSE('auth') -- 2.34.1