properties.c

Go to the documentation of this file.

 
#line 3 "<stdout>"
 
#define  YY_INT_ALIGNED short int
 
/* A lexical scanner generated by flex */
 
#define yy_create_buffer prop__create_buffer
#define yy_delete_buffer prop__delete_buffer
#define yy_scan_buffer prop__scan_buffer
#define yy_scan_string prop__scan_string
#define yy_scan_bytes prop__scan_bytes
#define yy_init_buffer prop__init_buffer
#define yy_flush_buffer prop__flush_buffer
#define yy_load_buffer_state prop__load_buffer_state
#define yy_switch_to_buffer prop__switch_to_buffer
#define yypush_buffer_state prop_push_buffer_state
#define yypop_buffer_state prop_pop_buffer_state
#define yyensure_buffer_stack prop_ensure_buffer_stack
#define yy_flex_debug prop__flex_debug
#define yyin prop_in
#define yyleng prop_leng
#define yylex prop_lex
#define yylineno prop_lineno
#define yyout prop_out
#define yyrestart prop_restart
#define yytext prop_text
#define yywrap prop_wrap
#define yyalloc prop_alloc
#define yyrealloc prop_realloc
#define yyfree prop_free
 
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 6
#define YY_FLEX_SUBMINOR_VERSION 4
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif
 
#ifdef yy_create_buffer
#define prop__create_buffer_ALREADY_DEFINED
#else
#define yy_create_buffer prop__create_buffer
#endif
 
#ifdef yy_delete_buffer
#define prop__delete_buffer_ALREADY_DEFINED
#else
#define yy_delete_buffer prop__delete_buffer
#endif
 
#ifdef yy_scan_buffer
#define prop__scan_buffer_ALREADY_DEFINED
#else
#define yy_scan_buffer prop__scan_buffer
#endif
 
#ifdef yy_scan_string
#define prop__scan_string_ALREADY_DEFINED
#else
#define yy_scan_string prop__scan_string
#endif
 
#ifdef yy_scan_bytes
#define prop__scan_bytes_ALREADY_DEFINED
#else
#define yy_scan_bytes prop__scan_bytes
#endif
 
#ifdef yy_init_buffer
#define prop__init_buffer_ALREADY_DEFINED
#else
#define yy_init_buffer prop__init_buffer
#endif
 
#ifdef yy_flush_buffer
#define prop__flush_buffer_ALREADY_DEFINED
#else
#define yy_flush_buffer prop__flush_buffer
#endif
 
#ifdef yy_load_buffer_state
#define prop__load_buffer_state_ALREADY_DEFINED
#else
#define yy_load_buffer_state prop__load_buffer_state
#endif
 
#ifdef yy_switch_to_buffer
#define prop__switch_to_buffer_ALREADY_DEFINED
#else
#define yy_switch_to_buffer prop__switch_to_buffer
#endif
 
#ifdef yypush_buffer_state
#define prop_push_buffer_state_ALREADY_DEFINED
#else
#define yypush_buffer_state prop_push_buffer_state
#endif
 
#ifdef yypop_buffer_state
#define prop_pop_buffer_state_ALREADY_DEFINED
#else
#define yypop_buffer_state prop_pop_buffer_state
#endif
 
#ifdef yyensure_buffer_stack
#define prop_ensure_buffer_stack_ALREADY_DEFINED
#else
#define yyensure_buffer_stack prop_ensure_buffer_stack
#endif
 
#ifdef yylex
#define prop_lex_ALREADY_DEFINED
#else
#define yylex prop_lex
#endif
 
#ifdef yyrestart
#define prop_restart_ALREADY_DEFINED
#else
#define yyrestart prop_restart
#endif
 
#ifdef yylex_init
#define prop_lex_init_ALREADY_DEFINED
#else
#define yylex_init prop_lex_init
#endif
 
#ifdef yylex_init_extra
#define prop_lex_init_extra_ALREADY_DEFINED
#else
#define yylex_init_extra prop_lex_init_extra
#endif
 
#ifdef yylex_destroy
#define prop_lex_destroy_ALREADY_DEFINED
#else
#define yylex_destroy prop_lex_destroy
#endif
 
#ifdef yyget_debug
#define prop_get_debug_ALREADY_DEFINED
#else
#define yyget_debug prop_get_debug
#endif
 
#ifdef yyset_debug
#define prop_set_debug_ALREADY_DEFINED
#else
#define yyset_debug prop_set_debug
#endif
 
#ifdef yyget_extra
#define prop_get_extra_ALREADY_DEFINED
#else
#define yyget_extra prop_get_extra
#endif
 
#ifdef yyset_extra
#define prop_set_extra_ALREADY_DEFINED
#else
#define yyset_extra prop_set_extra
#endif
 
#ifdef yyget_in
#define prop_get_in_ALREADY_DEFINED
#else
#define yyget_in prop_get_in
#endif
 
#ifdef yyset_in
#define prop_set_in_ALREADY_DEFINED
#else
#define yyset_in prop_set_in
#endif
 
#ifdef yyget_out
#define prop_get_out_ALREADY_DEFINED
#else
#define yyget_out prop_get_out
#endif
 
#ifdef yyset_out
#define prop_set_out_ALREADY_DEFINED
#else
#define yyset_out prop_set_out
#endif
 
#ifdef yyget_leng
#define prop_get_leng_ALREADY_DEFINED
#else
#define yyget_leng prop_get_leng
#endif
 
#ifdef yyget_text
#define prop_get_text_ALREADY_DEFINED
#else
#define yyget_text prop_get_text
#endif
 
#ifdef yyget_lineno
#define prop_get_lineno_ALREADY_DEFINED
#else
#define yyget_lineno prop_get_lineno
#endif
 
#ifdef yyset_lineno
#define prop_set_lineno_ALREADY_DEFINED
#else
#define yyset_lineno prop_set_lineno
#endif
 
#ifdef yywrap
#define prop_wrap_ALREADY_DEFINED
#else
#define yywrap prop_wrap
#endif
 
#ifdef yyalloc
#define prop_alloc_ALREADY_DEFINED
#else
#define yyalloc prop_alloc
#endif
 
#ifdef yyrealloc
#define prop_realloc_ALREADY_DEFINED
#else
#define yyrealloc prop_realloc
#endif
 
#ifdef yyfree
#define prop_free_ALREADY_DEFINED
#else
#define yyfree prop_free
#endif
 
#ifdef yytext
#define prop_text_ALREADY_DEFINED
#else
#define yytext prop_text
#endif
 
#ifdef yyleng
#define prop_leng_ALREADY_DEFINED
#else
#define yyleng prop_leng
#endif
 
#ifdef yyin
#define prop_in_ALREADY_DEFINED
#else
#define yyin prop_in
#endif
 
#ifdef yyout
#define prop_out_ALREADY_DEFINED
#else
#define yyout prop_out
#endif
 
#ifdef yy_flex_debug
#define prop__flex_debug_ALREADY_DEFINED
#else
#define yy_flex_debug prop__flex_debug
#endif
 
#ifdef yylineno
#define prop_lineno_ALREADY_DEFINED
#else
#define yylineno prop_lineno
#endif
 
/* First, we deal with  platform-specific or compiler-specific issues. */
 
/* begin standard C headers. */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
 
/* end standard C headers. */
 
/* flex integer type definitions */
 
#ifndef FLEXINT_H
#define FLEXINT_H
 
/* C99 systems have <inttypes.h>. 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 <inttypes.h>
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
 
#ifndef SIZE_MAX
#define SIZE_MAX               (~(size_t)0)
#endif
 
#endif /* ! C99 */
 
#endif /* ! FLEXINT_H */
 
/* begin standard C++ headers. */
 
/* TODO: this is always defined, so inline it */
#define yyconst const
 
#if defined(__GNUC__) && __GNUC__ >= 3
#define yynoreturn __attribute__((__noreturn__))
#else
#define yynoreturn
#endif
 
/* Returned upon end-of-file. */
#define YY_NULL 0
 
/* Promotes a possibly negative, possibly signed char to an
 *   integer in range [0..255] for use as an array index.
 */
#define YY_SC_TO_UI(c) ((YY_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
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k.
 * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
 * Ditto for the __ia64__ case accordingly.
 */
#define YY_BUF_SIZE 32768
#else
#define YY_BUF_SIZE 16384
#endif /* __ia64__ */
#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 size_t;
#endif
 
extern int 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)
    #define YY_LINENO_REWIND_TO(ptr)
    
/* 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.
         */
        int yy_buf_size;
 
        /* Number of characters read into yy_ch_buf, not including EOB
         * characters.
         */
        int yy_n_chars;
 
        /* Whether we "own" the buffer - i.e., we know we created it,
         * and can 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 = NULL; /**< 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 int yy_n_chars;          /* number of characters read into yy_ch_buf */
int yyleng;
 
/* Points to current character in buffer. */
static char *yy_c_buf_p = NULL;
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, size_t size  );
YY_BUFFER_STATE yy_scan_string ( const char *yy_str  );
YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len  );
 
void *yyalloc ( size_t  );
void *yyrealloc ( void *, 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 flex_uint8_t YY_CHAR;
 
FILE *yyin , *yyout ;
 
typedef int yy_state_type;
 
extern int yylineno;
int yylineno = 1;
 
extern char *yytext;
#ifdef yytext_ptr
#undef yytext_ptr
#endif
#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 yynoreturn yy_fatal_error ( const 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 = (int) (yy_cp - yy_bp); \
        (yy_hold_char) = *yy_cp; \
        *yy_cp = '\0'; \
        (yy_c_buf_p) = yy_cp;
#define YY_NUM_RULES 10
#define YY_END_OF_BUFFER 11
/* 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 const flex_int16_t yy_accept[34] =
    {   0,
        7,    7,   11,    9,    7,    7,    9,    4,    3,    8,
        4,    4,    4,    7,    9,    7,    0,    5,    4,    3,
        3,    4,    4,    7,    0,    0,    6,    4,    4,    4,
        1,    2,    0
    } ;
 
static const YY_CHAR yy_ec[256] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    2,    1,    4,    5,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    6,    1,    1,    7,    7,    7,
        7,    7,    7,    7,    7,    7,    7,    1,    1,    1,
        8,    1,    1,    1,    9,   10,   10,   10,   11,   12,
       10,   10,   10,   10,   10,   13,   10,   10,   10,   10,
       10,   14,   15,   16,   17,   10,   10,   10,   10,   10,
        1,    1,    1,    1,   10,    1,   10,   10,   10,   10,
 
       10,   10,   10,   10,   10,   10,   10,   10,   10,   10,
       10,   10,   10,   10,   10,   10,   10,   10,   10,   10,
       10,   10,    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,    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,
        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,    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
    } ;
 
static const YY_CHAR yy_meta[18] =
    {   0,
        1,    1,    1,    1,    1,    2,    2,    1,    2,    2,
        2,    2,    2,    2,    2,    2,    2
    } ;
 
static const flex_int16_t yy_base[37] =
    {   0,
        0,   16,   50,   51,   17,   20,   45,   41,   40,   51,
        0,   37,   31,   22,   41,   26,   39,   51,    0,   35,
       34,   27,   22,    0,   35,   34,   51,   21,   24,   23,
        0,    0,   51,   29,   24,   31
    } ;
 
static const flex_int16_t yy_def[37] =
    {   0,
       33,    1,   33,   33,   33,   33,   34,   35,   33,   33,
       35,   35,   35,   33,   36,   33,   34,   33,   35,   35,
       33,   35,   35,   14,   36,   36,   33,   35,   35,   35,
       35,   35,    0,   33,   33,   33
    } ;
 
static const flex_int16_t yy_nxt[69] =
    {   0,
        4,    5,    6,    7,    4,    8,    9,   10,   11,   11,
       11,   12,   11,   11,   11,   13,   11,   14,   16,   16,
       15,   16,   16,   24,   16,   19,   25,   16,   16,   17,
       17,   26,   26,   32,   31,   30,   27,   27,   29,   28,
       21,   20,   18,   27,   23,   22,   21,   20,   18,   33,
        3,   33,   33,   33,   33,   33,   33,   33,   33,   33,
       33,   33,   33,   33,   33,   33,   33,   33
    } ;
 
static const flex_int16_t yy_chk[69] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    2,    5,    5,
        2,    6,    6,   14,   14,   35,   14,   16,   16,   34,
       34,   36,   36,   30,   29,   28,   26,   25,   23,   22,
       21,   20,   17,   15,   13,   12,    9,    8,    7,    3,
       33,   33,   33,   33,   33,   33,   33,   33,   33,   33,
       33,   33,   33,   33,   33,   33,   33,   33
    } ;
 
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 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
/*
 
  $Id: properties.l 23385 2017-06-15 09:11:36Z guillou $
 
  Copyright 1989-2016 MINES ParisTech
 
  This file is part of PIPS.
 
  PIPS 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
  any later version.
 
  PIPS 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 PIPS.  If not, see <http://www.gnu.org/licenses/>.
 
*/
#define YY_NO_INPUT 1
#line 28 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
#ifdef HAVE_CONFIG_H
    #include "pips_config.h"
#endif
/*
 * - 01/1996: PIPS_PROPERTIESRC added. FC.
 * - 09/1997: save/load properties in database. FC.
 */
 
/* The syntax of a property list. */
 
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
 
#include "genC.h"
#include "misc.h" // user_error stuff
#include "constants.h" // PROPERTIES_RC & OLD_PROPERTIES_RC
#include "naming.h" // get_script_directory_name
#include "properties.h"
 
/* FC 2015-07-19
 * #include "pipsdbm.h"
 * avoid include cycle pipsdbm -> properties -> pipsdbm
 * there is still a link cycle.
 */
string db_get_meta_data_directory(void);
 
#define TTRUE   10
#define TFALSE  11
#define TIDENT   12
#define TNUMB   13
#define TSTRING  14
#define ENDOFLINE 15
 
/* properties are stored in this hash table (string -> property)
 * for fast accesses.
 */
static hash_table pl = (hash_table) NULL;
static bool update_property = false;
 
/* A flag used to avoid infinite recursion in the case of use error here */
static size_t pending_errors = false;
 
 
/* Call pips_user_error and notice it first */  \
#define property_user_error(...) do {           \
  pending_errors++;                             \
  user_error(__FUNCTION__, __VA_ARGS__);        \
} while(0)
 
#ifdef FLEX_SCANNER
 
/* We may parse strings or files...
 */
static char * string_to_parse = (char*) 0; /* shared pointer! */
 
#define YY_INPUT(buffer, result, max_size)              \
{                                                       \
  unsigned int i = 0;                                   \
  if (string_to_parse) /* we're parsing a string */     \
  {                                                     \
    while (i<(unsigned int)max_size                     \
           && *string_to_parse)                 \
      buffer[i++] = *string_to_parse++;         \
  }                                                     \
  else /* it's a file */                                \
  {                                                     \
    int c;                                              \
    while (i<(unsigned int)max_size                     \
           && (c=getc(yyin))!=EOF)                      \
      buffer[i++] = (char) c;                           \
  }                                                     \
  result = i==0? YY_NULL: i;                            \
}
 
static void parse_properties(bool processing_p);
 
void parse_properties_string(char *s, bool processing_p)
{
    yyrestart(NULL); // In case, lex has been interrupted by an error
    update_property = true;
    string_to_parse = s;
    parse_properties(processing_p);
    string_to_parse = (char *) 0;
    update_property = false;
}
 
#else /* ATT/POSIX just seem to like parsing yyin... */
 
void parse_properties_string(char *s, bool processing_p)
{
    property_user_error("cannot parse string (%s) without flex\n", s);
}
 
#endif /* FLEX_SCANNER */
 
#line 843 "<stdout>"
#line 844 "<stdout>"
 
#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 <unistd.h>
#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  );
 
                        int 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 YY_NO_UNPUT
    
#endif
 
#ifndef yytext_ptr
static void yy_flex_strncpy ( char *, const char *, int );
#endif
 
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen ( const 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
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k */
#define YY_READ_BUF_SIZE 16384
#else
#define YY_READ_BUF_SIZE 8192
#endif /* __ia64__ */
#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, (size_t) 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 = '*'; \
                int 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 = (int) fread(buf, 1, (size_t) 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 /*LINTED*/break;
#endif
 
#define YY_RULE_SETUP \
        if ( yyleng > 0 ) \
                YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \
                                (yytext[yyleng - 1] == '\n'); \
        YY_USER_ACTION
 
/** The main scanner function which does all the work.
 */
YY_DECL
{
        yy_state_type yy_current_state;
        char *yy_cp, *yy_bp;
        int yy_act;
    
        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(  );
                }
 
        {
#line 126 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
 
#line 1064 "<stdout>"
 
        while ( /*CONSTCOND*/1 )                /* loops until end-of-file is reached */
                {
                yy_cp = (yy_c_buf_p);
 
                /* Support of yytext. */
                *yy_cp = (yy_hold_char);
 
                /* yy_bp points to the position in yy_ch_buf of the start of
                 * the current run.
                 */
                yy_bp = yy_cp;
 
                yy_current_state = (yy_start);
                yy_current_state += YY_AT_BOL();
yy_match:
                do
                        {
                        YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
                        if ( yy_accept[yy_current_state] )
                                {
                                (yy_last_accepting_state) = yy_current_state;
                                (yy_last_accepting_cpos) = yy_cp;
                                }
                        while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
                                {
                                yy_current_state = (int) yy_def[yy_current_state];
                                if ( yy_current_state >= 34 )
                                        yy_c = yy_meta[yy_c];
                                }
                        yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
                        ++yy_cp;
                        }
                while ( yy_base[yy_current_state] != 51 );
 
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 127 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
{ return(TTRUE); }
        YY_BREAK
case 2:
YY_RULE_SETUP
#line 128 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
{ return(TFALSE); }
        YY_BREAK
case 3:
YY_RULE_SETUP
#line 129 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
{ return(TNUMB); }
        YY_BREAK
case 4:
YY_RULE_SETUP
#line 130 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
{ return(TIDENT); }
        YY_BREAK
case 5:
/* rule 5 can match eol */
YY_RULE_SETUP
#line 131 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
{ return(TSTRING); }
        YY_BREAK
case 6:
*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */
(yy_c_buf_p) = yy_cp -= 1;
YY_DO_BEFORE_ACTION; /* set up yytext again */
YY_RULE_SETUP
#line 132 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
{ /* comments are skipped. */ }
        YY_BREAK
case 7:
/* rule 7 can match eol */
YY_RULE_SETUP
#line 133 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
{ /* blanks are skipped. */ }
        YY_BREAK
case 8:
YY_RULE_SETUP
#line 134 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
{ /* ignore =: foo=bla same as foo bla */ }
        YY_BREAK
case 9:
YY_RULE_SETUP
#line 135 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
{ fprintf(stderr, "skipping unexpected char %c (%d)\n",
                                  *yytext, *yytext);
                        }
        YY_BREAK
case 10:
YY_RULE_SETUP
#line 138 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
ECHO;
        YY_BREAK
#line 1179 "<stdout>"
case YY_STATE_EOF(INITIAL):
        yyterminate();
 
        case YY_END_OF_BUFFER:
                {
                /* Amount of text matched not including the EOB char. */
                int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
 
                /* Undo the effects of YY_DO_BEFORE_ACTION. */
                *yy_cp = (yy_hold_char);
                YY_RESTORE_YY_MORE_OFFSET
 
                if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
                        {
                        /* We're scanning a new file or input source.  It's
                         * possible that this happened because the user
                         * just pointed yyin at a new source and called
                         * yylex().  If so, then we have to assure
                         * consistency between YY_CURRENT_BUFFER and our
                         * globals.  Here is the right place to do so, because
                         * this is the first action (other than possibly a
                         * back-up) that will match for the new input source.
                         */
                        (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
                        YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
                        YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
                        }
 
                /* Note that here we test for yy_c_buf_p "<=" to the position
                 * of the first EOB in the buffer, since yy_c_buf_p will
                 * already have been incremented past the NUL character
                 * (since all states make transitions on EOB to the
                 * end-of-buffer state).  Contrast this with the test
                 * in input().
                 */
                if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
                        { /* This was really a NUL. */
                        yy_state_type yy_next_state;
 
                        (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
 
                        yy_current_state = yy_get_previous_state(  );
 
                        /* Okay, we're now positioned to make the NUL
                         * transition.  We couldn't have
                         * yy_get_previous_state() go ahead and do it
                         * for us because it doesn't know how to deal
                         * with the possibility of jamming (and we don't
                         * want to build jamming into it because then it
                         * will run more slowly).
                         */
 
                        yy_next_state = yy_try_NUL_trans( yy_current_state );
 
                        yy_bp = (yytext_ptr) + YY_MORE_ADJ;
 
                        if ( yy_next_state )
                                {
                                /* Consume the NUL. */
                                yy_cp = ++(yy_c_buf_p);
                                yy_current_state = yy_next_state;
                                goto yy_match;
                                }
 
                        else
                                {
                                yy_cp = (yy_c_buf_p);
                                goto yy_find_action;
                                }
                        }
 
                else switch ( yy_get_next_buffer(  ) )
                        {
                        case EOB_ACT_END_OF_FILE:
                                {
                                (yy_did_buffer_switch_on_eof) = 0;
 
                                if ( yywrap(  ) )
                                        {
                                        /* Note: because we've taken care in
                                         * yy_get_next_buffer() to have set up
                                         * yytext, we can now set up
                                         * yy_c_buf_p so that if some total
                                         * hoser (like flex itself) wants to
                                         * call the scanner after we return the
                                         * YY_NULL, it'll still work - another
                                         * YY_NULL will get returned.
                                         */
                                        (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
 
                                        yy_act = YY_STATE_EOF(YY_START);
                                        goto do_action;
                                        }
 
                                else
                                        {
                                        if ( ! (yy_did_buffer_switch_on_eof) )
                                                YY_NEW_FILE;
                                        }
                                break;
                                }
 
                        case EOB_ACT_CONTINUE_SCAN:
                                (yy_c_buf_p) =
                                        (yytext_ptr) + yy_amount_of_matched_text;
 
                                yy_current_state = yy_get_previous_state(  );
 
                                yy_cp = (yy_c_buf_p);
                                yy_bp = (yytext_ptr) + YY_MORE_ADJ;
                                goto yy_match;
 
                        case EOB_ACT_LAST_MATCH:
                                (yy_c_buf_p) =
                                &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
 
                                yy_current_state = yy_get_previous_state(  );
 
                                yy_cp = (yy_c_buf_p);
                                yy_bp = (yytext_ptr) + YY_MORE_ADJ;
                                goto yy_find_action;
                        }
                break;
                }
 
        default:
                YY_FATAL_ERROR(
                        "fatal flex scanner internal error--no action found" );
        } /* end of action switch */
                } /* end of scanning one token */
        } /* end of user's declarations */
} /* end of yylex */
 
/* yy_get_next_buffer - try to read in a new buffer
 *
 * Returns a code representing an action:
 *      EOB_ACT_LAST_MATCH -
 *      EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 *      EOB_ACT_END_OF_FILE - end of file
 */
static int yy_get_next_buffer (void)
{
        char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
        char *source = (yytext_ptr);
        int number_to_move, i;
        int ret_val;
 
        if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
                YY_FATAL_ERROR(
                "fatal flex scanner internal error--end of buffer missed" );
 
        if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
                { /* Don't try to fill the buffer, so this is an EOF. */
                if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
                        {
                        /* We matched a single character, the EOB, so
                         * treat this as a final EOF.
                         */
                        return EOB_ACT_END_OF_FILE;
                        }
 
                else
                        {
                        /* We matched some text prior to the EOB, first
                         * process it.
                         */
                        return EOB_ACT_LAST_MATCH;
                        }
                }
 
        /* Try to read more data. */
 
        /* First move last chars to start of buffer. */
        number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr) - 1);
 
        for ( i = 0; i < number_to_move; ++i )
                *(dest++) = *(source++);
 
        if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
                /* don't do the read, it's not guaranteed to return an EOF,
                 * just force an EOF
                 */
                YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
 
        else
                {
                        int num_to_read =
                        YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
 
                while ( num_to_read <= 0 )
                        { /* Not enough room in the buffer - grow it. */
 
                        /* just a shorter name for the current buffer */
                        YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
 
                        int yy_c_buf_p_offset =
                                (int) ((yy_c_buf_p) - b->yy_ch_buf);
 
                        if ( b->yy_is_our_buffer )
                                {
                                int new_size = b->yy_buf_size * 2;
 
                                if ( new_size <= 0 )
                                        b->yy_buf_size += b->yy_buf_size / 8;
                                else
                                        b->yy_buf_size *= 2;
 
                                b->yy_ch_buf = (char *)
                                        /* Include room in for 2 EOB chars. */
                                        yyrealloc( (void *) b->yy_ch_buf,
                                                         (size_t) (b->yy_buf_size + 2)  );
                                }
                        else
                                /* Can't grow it, we don't own it. */
                                b->yy_ch_buf = NULL;
 
                        if ( ! b->yy_ch_buf )
                                YY_FATAL_ERROR(
                                "fatal error - scanner input buffer overflow" );
 
                        (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
 
                        num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
                                                number_to_move - 1;
 
                        }
 
                if ( num_to_read > YY_READ_BUF_SIZE )
                        num_to_read = YY_READ_BUF_SIZE;
 
                /* Read in more data. */
                YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
                        (yy_n_chars), num_to_read );
 
                YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
                }
 
        if ( (yy_n_chars) == 0 )
                {
                if ( number_to_move == YY_MORE_ADJ )
                        {
                        ret_val = EOB_ACT_END_OF_FILE;
                        yyrestart( yyin  );
                        }
 
                else
                        {
                        ret_val = EOB_ACT_LAST_MATCH;
                        YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
                                YY_BUFFER_EOF_PENDING;
                        }
                }
 
        else
                ret_val = EOB_ACT_CONTINUE_SCAN;
 
        if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
                /* Extend the array by 50%, plus the number we really need. */
                int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
                YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
                        (void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (size_t) new_size  );
                if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
                        YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
                /* "- 2" to take care of EOB's */
                YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2);
        }
 
        (yy_n_chars) += number_to_move;
        YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
        YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
 
        (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
 
        return ret_val;
}
 
/* yy_get_previous_state - get the state just before the EOB char was reached */
 
    static yy_state_type yy_get_previous_state (void)
{
        yy_state_type yy_current_state;
        char *yy_cp;
    
        yy_current_state = (yy_start);
        yy_current_state += YY_AT_BOL();
 
        for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
                {
                YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
                if ( yy_accept[yy_current_state] )
                        {
                        (yy_last_accepting_state) = yy_current_state;
                        (yy_last_accepting_cpos) = yy_cp;
                        }
                while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
                        {
                        yy_current_state = (int) yy_def[yy_current_state];
                        if ( yy_current_state >= 34 )
                                yy_c = yy_meta[yy_c];
                        }
                yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
                }
 
        return yy_current_state;
}
 
/* yy_try_NUL_trans - try to make a transition on the NUL character
 *
 * synopsis
 *      next_state = yy_try_NUL_trans( current_state );
 */
    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
{
        int yy_is_jam;
        char *yy_cp = (yy_c_buf_p);
 
        YY_CHAR yy_c = 1;
        if ( yy_accept[yy_current_state] )
                {
                (yy_last_accepting_state) = yy_current_state;
                (yy_last_accepting_cpos) = yy_cp;
                }
        while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
                {
                yy_current_state = (int) yy_def[yy_current_state];
                if ( yy_current_state >= 34 )
                        yy_c = yy_meta[yy_c];
                }
        yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
        yy_is_jam = (yy_current_state == 33);
 
                return yy_is_jam ? 0 : yy_current_state;
}
 
#ifndef YY_NO_UNPUT
 
#endif
 
#ifndef YY_NO_INPUT
#ifdef __cplusplus
    static int yyinput (void)
#else
    static int input  (void)
#endif
 
{
        int c;
    
        *(yy_c_buf_p) = (yy_hold_char);
 
        if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
                {
                /* yy_c_buf_p now points to the character we want to return.
                 * If this occurs *before* the EOB characters, then it's a
                 * valid NUL; if not, then we've hit the end of the buffer.
                 */
                if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
                        /* This was really a NUL. */
                        *(yy_c_buf_p) = '\0';
 
                else
                        { /* need more input */
                        int offset = (int) ((yy_c_buf_p) - (yytext_ptr));
                        ++(yy_c_buf_p);
 
                        switch ( yy_get_next_buffer(  ) )
                                {
                                case EOB_ACT_LAST_MATCH:
                                        /* This happens because yy_g_n_b()
                                         * sees that we've accumulated a
                                         * token and flags that we need to
                                         * try matching the token before
                                         * proceeding.  But for input(),
                                         * there's no matching to consider.
                                         * So convert the EOB_ACT_LAST_MATCH
                                         * to EOB_ACT_END_OF_FILE.
                                         */
 
                                        /* Reset buffer status. */
                                        yyrestart( yyin );
 
                                        /*FALLTHROUGH*/
 
                                case EOB_ACT_END_OF_FILE:
                                        {
                                        if ( yywrap(  ) )
                                                return 0;
 
                                        if ( ! (yy_did_buffer_switch_on_eof) )
                                                YY_NEW_FILE;
#ifdef __cplusplus
                                        return yyinput();
#else
                                        return input();
#endif
                                        }
 
                                case EOB_ACT_CONTINUE_SCAN:
                                        (yy_c_buf_p) = (yytext_ptr) + offset;
                                        break;
                                }
                        }
                }
 
        c = *(unsigned char *) (yy_c_buf_p);    /* cast for 8-bit char's */
        *(yy_c_buf_p) = '\0';   /* preserve yytext */
        (yy_hold_char) = *++(yy_c_buf_p);
 
        YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n');
 
        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( (size_t) (b->yy_buf_size + 2)  );
        if ( ! b->yy_ch_buf )
                YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
 
        b->yy_is_our_buffer = 1;
 
        yy_init_buffer( b, file );
 
        return b;
}
 
/** Destroy the buffer.
 * @param b a buffer created with yy_create_buffer()
 * 
 */
    void yy_delete_buffer (YY_BUFFER_STATE  b )
{
    
        if ( ! b )
                return;
 
        if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
                YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
 
        if ( b->yy_is_our_buffer )
                yyfree( (void *) b->yy_ch_buf  );
 
        yyfree( (void *) b  );
}
 
/* Initializes or reinitializes a buffer.
 * This function is sometimes called more than once on the same buffer,
 * such as during a yyrestart() or at EOF.
 */
    static void yy_init_buffer  (YY_BUFFER_STATE  b, FILE * file )
 
{
        int oerrno = errno;
    
        yy_flush_buffer( b );
 
        b->yy_input_file = file;
        b->yy_fill_buffer = 1;
 
    /* If b is the current buffer, then yy_init_buffer was _probably_
     * called from yyrestart() or through yy_get_next_buffer.
     * In that case, we don't want to reset the lineno or column.
     */
    if (b != YY_CURRENT_BUFFER){
        b->yy_bs_lineno = 1;
        b->yy_bs_column = 0;
    }
 
        b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
    
        errno = oerrno;
}
 
/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
 * 
 */
    void yy_flush_buffer (YY_BUFFER_STATE  b )
{
        if ( ! b )
                return;
 
        b->yy_n_chars = 0;
 
        /* We always need two end-of-buffer characters.  The first causes
         * a transition to the end-of-buffer state.  The second causes
         * a jam in that state.
         */
        b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
        b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
 
        b->yy_buf_pos = &b->yy_ch_buf[0];
 
        b->yy_at_bol = 1;
        b->yy_buffer_status = YY_BUFFER_NEW;
 
        if ( b == YY_CURRENT_BUFFER )
                yy_load_buffer_state(  );
}
 
/** Pushes the new state onto the stack. The new state becomes
 *  the current state. This function will allocate the stack
 *  if necessary.
 *  @param new_buffer The new state.
 *  
 */
void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
{
        if (new_buffer == NULL)
                return;
 
        yyensure_buffer_stack();
 
        /* This block is copied from yy_switch_to_buffer. */
        if ( YY_CURRENT_BUFFER )
                {
                /* Flush out information for old buffer. */
                *(yy_c_buf_p) = (yy_hold_char);
                YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
                YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
                }
 
        /* Only push if top exists. Otherwise, replace top. */
        if (YY_CURRENT_BUFFER)
                (yy_buffer_stack_top)++;
        YY_CURRENT_BUFFER_LVALUE = new_buffer;
 
        /* copied from yy_switch_to_buffer. */
        yy_load_buffer_state(  );
        (yy_did_buffer_switch_on_eof) = 1;
}
 
/** Removes and deletes the top of the stack, if present.
 *  The next element becomes the new top.
 *  
 */
void yypop_buffer_state (void)
{
        if (!YY_CURRENT_BUFFER)
                return;
 
        yy_delete_buffer(YY_CURRENT_BUFFER );
        YY_CURRENT_BUFFER_LVALUE = NULL;
        if ((yy_buffer_stack_top) > 0)
                --(yy_buffer_stack_top);
 
        if (YY_CURRENT_BUFFER) {
                yy_load_buffer_state(  );
                (yy_did_buffer_switch_on_eof) = 1;
        }
}
 
/* Allocates the stack if it does not exist.
 *  Guarantees space for at least one push.
 */
static void yyensure_buffer_stack (void)
{
        size_t num_to_alloc;
    
        if (!(yy_buffer_stack)) {
 
                /* First allocation is just for 2 elements, since we don't know if this
                 * scanner will even need a stack. We use 2 instead of 1 to avoid an
                 * immediate realloc on the next call.
         */
      num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
                (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
                                                                (num_to_alloc * sizeof(struct yy_buffer_state*)
                                                                );
                if ( ! (yy_buffer_stack) )
                        YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
 
                memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
 
                (yy_buffer_stack_max) = num_to_alloc;
                (yy_buffer_stack_top) = 0;
                return;
        }
 
        if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
 
                /* Increase the buffer to prepare for a possible push. */
                size_t grow_size = 8 /* arbitrary grow size */;
 
                num_to_alloc = (yy_buffer_stack_max) + grow_size;
                (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
                                                                ((yy_buffer_stack),
                                                                num_to_alloc * sizeof(struct yy_buffer_state*)
                                                                );
                if ( ! (yy_buffer_stack) )
                        YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
 
                /* zero only the new slots.*/
                memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
                (yy_buffer_stack_max) = num_to_alloc;
        }
}
 
/** Setup the input buffer state to scan directly from a user-specified character buffer.
 * @param base the character buffer
 * @param size the size in bytes of the character buffer
 * 
 * @return the newly allocated buffer state object.
 */
YY_BUFFER_STATE yy_scan_buffer  (char * base, size_t  size )
{
        YY_BUFFER_STATE b;
    
        if ( size < 2 ||
             base[size-2] != YY_END_OF_BUFFER_CHAR ||
             base[size-1] != YY_END_OF_BUFFER_CHAR )
                /* They forgot to leave room for the EOB's. */
                return NULL;
 
        b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state )  );
        if ( ! b )
                YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
 
        b->yy_buf_size = (int) (size - 2);      /* "- 2" to take care of EOB's */
        b->yy_buf_pos = b->yy_ch_buf = base;
        b->yy_is_our_buffer = 0;
        b->yy_input_file = NULL;
        b->yy_n_chars = b->yy_buf_size;
        b->yy_is_interactive = 0;
        b->yy_at_bol = 1;
        b->yy_fill_buffer = 0;
        b->yy_buffer_status = YY_BUFFER_NEW;
 
        yy_switch_to_buffer( b  );
 
        return b;
}
 
/** Setup the input buffer state to scan a string. The next call to yylex() will
 * scan from a @e copy of @a str.
 * @param yystr a NUL-terminated string to scan
 * 
 * @return the newly allocated buffer state object.
 * @note If you want to scan bytes that may contain NUL values, then use
 *       yy_scan_bytes() instead.
 */
YY_BUFFER_STATE yy_scan_string (const char * yystr )
{
    
        return yy_scan_bytes( yystr, (int) strlen(yystr) );
}
 
/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
 * scan from a @e copy of @a bytes.
 * @param yybytes the byte buffer to scan
 * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
 * 
 * @return the newly allocated buffer state object.
 */
YY_BUFFER_STATE yy_scan_bytes  (const char * yybytes, int  _yybytes_len )
{
        YY_BUFFER_STATE b;
        char *buf;
        size_t n;
        int i;
    
        /* Get memory for full buffer, including space for trailing EOB's. */
        n = (size_t) (_yybytes_len + 2);
        buf = (char *) yyalloc( n  );
        if ( ! buf )
                YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
 
        for ( i = 0; i < _yybytes_len; ++i )
                buf[i] = yybytes[i];
 
        buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
 
        b = yy_scan_buffer( buf, n );
        if ( ! b )
                YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
 
        /* It's okay to grow etc. this buffer, and we should throw it
         * away when we're done.
         */
        b->yy_is_our_buffer = 1;
 
        return b;
}
 
#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif
 
static void yynoreturn yy_fatal_error (const char* msg )
{
                        fprintf( stderr, "%s\n", msg );
        exit( YY_EXIT_FAILURE );
}
 
/* Redefine yyless() so it works in section 3 code. */
 
#undef yyless
#define yyless(n) \
        do \
                { \
                /* Undo effects of setting up yytext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
                yytext[yyleng] = (yy_hold_char); \
                (yy_c_buf_p) = yytext + yyless_macro_arg; \
                (yy_hold_char) = *(yy_c_buf_p); \
                *(yy_c_buf_p) = '\0'; \
                yyleng = yyless_macro_arg; \
                } \
        while ( 0 )
 
/* Accessor  methods (get/set functions) to struct members. */
 
/** Get the current line number.
 * 
 */
int yyget_lineno  (void)
{
    
    return yylineno;
}
 
/** Get the input stream.
 * 
 */
FILE *yyget_in  (void)
{
        return yyin;
}
 
/** Get the output stream.
 * 
 */
FILE *yyget_out  (void)
{
        return yyout;
}
 
/** Get the length of the current token.
 * 
 */
int yyget_leng  (void)
{
        return yyleng;
}
 
/** Get the current token.
 * 
 */
 
char *yyget_text  (void)
{
        return yytext;
}
 
/** Set the current line number.
 * @param _line_number line number
 * 
 */
void yyset_lineno (int  _line_number )
{
    
    yylineno = _line_number;
}
 
/** Set the input stream. This does not discard the current
 * input buffer.
 * @param _in_str A readable stream.
 * 
 * @see yy_switch_to_buffer
 */
void yyset_in (FILE *  _in_str )
{
        yyin = _in_str ;
}
 
void yyset_out (FILE *  _out_str )
{
        yyout = _out_str ;
}
 
int yyget_debug  (void)
{
        return yy_flex_debug;
}
 
void yyset_debug (int  _bdebug )
{
        yy_flex_debug = _bdebug ;
}
 
static int yy_init_globals (void)
{
        /* Initialization is the same as for the non-reentrant scanner.
     * This function is called from yylex_destroy(), so don't allocate here.
     */
 
    (yy_buffer_stack) = NULL;
    (yy_buffer_stack_top) = 0;
    (yy_buffer_stack_max) = 0;
    (yy_c_buf_p) = NULL;
    (yy_init) = 0;
    (yy_start) = 0;
 
/* Defined in main.c */
#ifdef YY_STDINIT
    yyin = stdin;
    yyout = stdout;
#else
    yyin = NULL;
    yyout = NULL;
#endif
 
    /* For future reference: Set errno on error, since we are called by
     * yylex_init()
     */
    return 0;
}
 
/* yylex_destroy is for both reentrant and non-reentrant scanners. */
int yylex_destroy  (void)
{
    
    /* Pop the buffer stack, destroying each element. */
        while(YY_CURRENT_BUFFER){
                yy_delete_buffer( YY_CURRENT_BUFFER  );
                YY_CURRENT_BUFFER_LVALUE = NULL;
                yypop_buffer_state();
        }
 
        /* Destroy the stack itself. */
        yyfree((yy_buffer_stack) );
        (yy_buffer_stack) = NULL;
 
    /* Reset the globals. This is important in a non-reentrant scanner so the next time
     * yylex() is called, initialization will occur. */
    yy_init_globals( );
 
    return 0;
}
 
/*
 * Internal utility routines.
 */
 
#ifndef yytext_ptr
static void yy_flex_strncpy (char* s1, const char * s2, int n )
{
                
        int i;
        for ( i = 0; i < n; ++i )
                s1[i] = s2[i];
}
#endif
 
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (const char * s )
{
        int n;
        for ( n = 0; s[n]; ++n )
                ;
 
        return n;
}
#endif
 
void *yyalloc (size_t  size )
{
                        return malloc(size);
}
 
void *yyrealloc  (void * ptr, size_t  size )
{
                
        /* The cast to (char *) in the following accommodates both
         * implementations that use char* generic pointers, and those
         * that use void* generic pointers.  It works with the latter
         * because both ANSI C and C++ allow castless assignment from
         * any pointer type to void*, and deal with argument conversions
         * as though doing an assignment.
         */
        return realloc(ptr, size);
}
 
void yyfree (void * ptr )
{
                        free( (char *) ptr );   /* see yyrealloc() for (char *) cast */
}
 
#define YYTABLES_NAME "yytables"
 
#line 138 "/home/fabien/NIGHT/prod/pips/src/Libs/properties/properties.l"
 
 
int yywrap(void)
{ return 1;}
 
static bool property_equal_p(property p1, property p2)
{
    bool equal_p = (property_tag(p1)==property_tag(p2));
 
    if(equal_p) {
        switch(property_tag(p1)) {
        case is_property_int:
            equal_p = (property_int(p1)==property_int(p2));
            break;
        case is_property_bool:
            equal_p = (property_bool(p1)==property_bool(p2));
            break;
        case is_property_string:
            equal_p = (strcmp(property_string(p1),property_string(p2))==0);
            break;
        default:
            property_user_error("illegal tag %d\n", property_tag(p1));
        }
    }
 
    return equal_p;
}
 
static string property_tag_to_string(tag t)
{
    switch (t) {
    case is_property_int: return "int";
    case is_property_bool: return "bool";
    case is_property_string: return "string";
    default: return "UNKNOW property type";
    }
}
 
static void parse_properties(bool processing_p)
{
    int tok;
    property pr = property_undefined, opr;
 
    if (!pl) pl = hash_table_make(hash_string, 0); /* lazy init */
 
    while ((tok = yylex()))
    {
        string n;
 
        if (tok != TIDENT) {
            property_user_error("Syntax error: ident expected, got %d for -%s-.\n", tok, yytext);
            return;
        }
 
        n = strdup(yytext);
 
        if (update_property && property_undefined_p(get_property(n, true))) {
          // property_user_error("Unknown property \"%s\" to update\n", n);
          pending_errors++;                             \
          user_error(__FUNCTION__, "Unknown property \"%s\" to update\n", n);
          free(n);
          return;
        }
 
        switch (tok = yylex())
        {
        case TTRUE:
            pr = make_property_bool(true);
            break;
        case TFALSE:
            pr = make_property_bool(false);
            break;
        case TNUMB:
            pr = make_property_int(atol(yytext));
            break;
        case TSTRING: {
            /* GO: We need to free(s) so the skeep now
               the quote and do not use s+1 anymore*/
            char *s = strdup(yytext + 1);
            char *q = strrchr(s, '"'); // "
                        if (q == NULL) {
                                property_user_error("Ill. string : \"%s\".\n", yytext);
                                free(n);
                                return;
                        }
            *q = '\0';
            pr = make_property_string(s);
            break;
        }
        default:
            property_user_error("Unknown value \"%s\" for property \"%s\". Check the tpips script that is used.\n", yytext, n);
            return;
        }
 
        if ((opr = (property) hash_get(pl, n)) !=
            (property) HASH_UNDEFINED_VALUE)
        {
            if (property_tag(opr)!=property_tag(pr))
            {
              property_user_error("cannot change type from %s to %s "
                                  "when updating property %s\n",
                                  property_tag_to_string(property_tag(opr)),
                                  property_tag_to_string(property_tag(pr)),
                                  n);
              free_property(pr);
            }
            else if(processing_p
                    && strcmp(n, "CONSISTENCY_ENFORCED_P")==0
                    && !property_equal_p(pr, opr))
            {
            property_user_error("Property %s cannot be redefined when "
                                "processing is started because consistenty "
                                "can no longer be enforced. Move the set "
                                "property command earlier in the compilaton "
                                "process.\n", n);
              free_property(pr);
            }
            else
            {
              hash_update(pl, n, (char *) pr);
              if(!property_equal_p(pr, opr))
                pips_debug(1,"property %s redefined\n", n);
              free_property(opr);
            }
        }
        else
            hash_put(pl, n, (char *) pr);
                free(n);
    }
}
 
static void parse_properties_file(FILE * fd)
{
    string_to_parse = NULL;
    update_property = false; // FI: Tpips/property.tpips, to survive
                             // the open after the close
    yyrestart(fd);
    // FI: we assume no PIPS database is open when parsing a property file
    parse_properties(false);
}
 
static void read_properties(void)
{
  _UNUSED_ void * ignore_me = (void*) prop_get_leng;
 
  // avoid unused function warning...
    FILE * old_prop = NULL;
 
    if (pl != (hash_table) NULL)
    return;
    /* else */
    pl = hash_table_make(hash_string, 0);
    update_property = false;
 
    /* Default properties:
     *
     * if the variable PIPS_PROPERTIESRC is defined in the environment,
     * it contains the absolute property file name to use;
     *
     * else: ${PIPS_ROOT}/etc/properties.rc
     */
    if( (prop_in = fopen_config(PROPERTIES_RC,NULL,"PIPS_PROPERTIESRC")) )
    {
        parse_properties_file(prop_in);
        fclose(prop_in), prop_in = (FILE*) NULL;
    }
 
    /* An older version of properties.rc might be useful for the current
     * PIPS execution. This is used to maintain backward compatibility
     * for old non-regression tests.
     */
    string pfn = string_undefined;
    string sdn = get_script_directory_name();
    pfn = strdup(concatenate(sdn, "/", OLD_PROPERTIES_RC, NULL));
    if ((old_prop = fopen(pfn, "r")) != NULL) {
      char opfn[100];
      int stat = fscanf(old_prop, "%s", opfn);
      assert(stat != EOF);
 
      if ((prop_in = fopen_config(opfn, NULL, NULL)) != NULL) {
        parse_properties_file(prop_in);
        fclose(prop_in), prop_in = (FILE*) NULL;
      }
      fclose(old_prop), old_prop = (FILE*) NULL;
    }
    free(pfn);
 
    /* Update the standard properties with a locally defined ./properties.rc
     * Is . the cwd or the directory where the .tpips script has been found?
     */
    if ((prop_in = fopen(PROPERTIES_RC, "r")) != NULL) {
    parse_properties_file(prop_in);
    fclose(prop_in), prop_in = (FILE*) NULL;
    }
}
 
bool properties_initialized_p(void)
{
  return pl != NULL;
}
 
/* Test if we have too many property errors pending
 
   It is useful in pips_user_error to avoid infinite recursion where
   properties are used there to change the behaviour of pips_user_error...
   */
bool too_many_property_errors_pending_p()
{
  /* Well, this limit should depend on the actual implementation of
     user_error, that may change in tpips, pyps, wpips... It should be
     configurable... */
  return pending_errors > 3;
}
 
 
/* Reset the pending stuff in case we where able to cope with... */
void reset_property_error() {
  pending_errors = 0;
}
 
 
/* Get a property
 
   @param[in] name is the name of the property to look-up
 
   @param[in] cool is a bool setting the behaviour if the property does
   not exist. If the property does not exist and cool is true, it return
   property_undefined but if false it aborts
 
   @return the property or abort() if it does not exist and cool is false
*/
property get_property(const char* name, bool cool)
{
    property p = property_undefined;
    property u = (property) HASH_UNDEFINED_VALUE;
 
    if (!pl)
       read_properties(); /* rather lazy... */
 
    p = (property) hash_get(pl, name);
 
    if (p == u) {
        if (!cool) {
          property_user_error("unknown property: --%s--\n", name);
        }
        /* else since error does not return */
        p = property_undefined;
    }
    return p;
}
 
 
/* Get the value of a bool property
 
   @param[in] name is the name of the property to look-up
 
   @return the bool value
*/
bool get_bool_property(const char* name)
{
    property p = get_property(name, false);
    if (! property_bool_p(p)) {
      // FI: Could be an internal error...
      property_user_error("Property \"%s\" is not boolean.\n", name);
    }
    return(property_bool(p));
}
 
 
/* Set the value of a bool property
 
   @param[in] name is the name of the property to set
 
   @param[in] b is the value to store in the property
*/
void set_bool_property(const char* name, bool b)
{
    property p = get_property(name, false);
    if (! property_bool_p(p))
        property_user_error("property %s is not bool\n", name);
    property_bool(p) = b;
}
 
 
/* Get the value of a string property
 
   @param[in] name is the name of the property to look-up
 
   @return the string value, not to be freed
*/
const char* get_string_property(const char* name)
{
    property p = get_property(name, false);
    if (! property_string_p(p))
        property_user_error("property %s is not string\n", name);
    return property_string(p);
}
 
 
/* Get the value of a string property or ask to the user if it does not
   has a non null string value
 
   @param[in] name is the name of the property to look-up
 
   @param[in] question is the sentence to display when asking for a value
   because the property has no valid string value
 
   @return the string value, not to be freed
*/
const char* get_string_property_or_ask(const char* name,const char question[])
{
    property p = get_property(name, false);
    if (! property_string_p(p))
        property_user_error("property %s is not string\n", name);
    string s = property_string(p);
    while(!s || string_undefined_p(s) || s[0] == '\0' )
        s = user_request(question);
 
    return s;
}
 
 
/* Set the value of a string property
 
   @param[in] name is the name of the property to set
 
   @param[in] s is the value to store in the property. This string is
   strdup()ed in this function
*/
void set_string_property(const char* name, const char* s)
{
    property p = get_property(name, false);
    if (! property_string_p(p))
        property_user_error("property %s is not string\n", name);
    free(property_string(p));
    property_string(p) = strdup(s);
}
 
 
/* Get the value of an integer property
 
   @param[in] name is the name of the property to look-up
 
   @return the integer value
*/
int
get_int_property(const char* name)
{
    property p = get_property(name, false);
    if (! property_int_p(p))
        property_user_error("property %s is not int\n", name);
    return property_int(p);
}
 
 
/* Set the value of an integer property
 
   @param[in] name is the name of the property to set
 
   @param[in] i is the value to store in the property
*/
void set_int_property(const char* name, int i)
{
    property p = get_property(name, false);
    if (! property_int_p(p))
        property_user_error("property %s is not int\n", name);
    property_int(p) = i;
}
 
void fprint_property_direct(FILE * fd, const char* pname)
{
    property p = get_property(pname, true);
    if (property_undefined_p(p))
        fprintf(fd, "# undefined property %s\n", pname);
    else
        switch (property_tag(p)) {
        case is_property_bool:
            fprintf(fd, "%s", property_bool(p)? "TRUE": "FALSE");
            break;
        case is_property_int:
            fprintf(fd, "%td", property_int(p));
            break;
        case is_property_string:
            fprintf(fd, "%s", property_string(p));
            break;
        default:
            fprintf(fd, "# bad property type for %s\n", pname);
        }
 
}
 
void fprint_property(FILE * fd, const char* pname)
{
    property p = get_property(pname, true);
    if (property_undefined_p(p))
        fprintf(fd, "# undefined property %s\n", pname);
    else
        switch (property_tag(p)) {
        case is_property_bool:
            fprintf(fd, "%s %s\n", pname, property_bool(p)? "TRUE": "FALSE");
            break;
        case is_property_int:
            fprintf(fd, "%s %td\n", pname, property_int(p));
            break;
        case is_property_string:
            fprintf(fd, "%s \"%s\"\n", pname, property_string(p));
            break;
        default:
            fprintf(fd, "# bad property type for %s\n", pname);
        }
}
 
void fprint_properties(FILE * fd)
{
  if (pl)
  { // dump all sorted properties in fd.
    gen_array_t array = gen_array_make(0);
    fprintf(fd, "# PIPS PROPERTIES\n");
    HASH_MAP(name, p, gen_array_dupappend(array, name), pl);
    gen_array_sort(array);
    GEN_ARRAY_FOREACH(string, name, array)
      fprint_property(fd, name);
    gen_array_full_free(array);
  }
  else fprintf(fd, "# NO PIPS PROPERTIES...\n");
}
 
/******************************************************* TOP-LEVEL INTERFACE */
 
static string get_property_file_name(void)
{
    string dir_name = db_get_meta_data_directory(),name;
    int stat = asprintf(&name,"%s/properties",dir_name);
    assert(stat != -1);
    free(dir_name); return name;
}
 
/* when opening a workspace, retrieve the properties.
 * @return whether okay
 */
bool open_properties(void)
{
    string file_name = get_property_file_name();
    FILE * file = check_fopen(file_name, "r");
    if (!file) return false;
    if (pl) hash_table_free(pl), pl = (hash_table) NULL; /* lazy clean... */
    parse_properties_file(file);
    safe_fclose(file, file_name);
    free(file_name);
    return true;
}
 
/* on close, save the properties in the current workspace.
 * this is called from close_workspace, so there is some current one.
 */
void save_properties(void)
{
    string file_name = get_property_file_name();
    FILE * file = safe_fopen(file_name, "w");
    fprint_properties(file);
    safe_fclose(file, file_name);
    free(file_name);
}
 
/* the creation is demand driven from get_property...
 */