stage1_2/stage1_2.cc
changeset 946 c012a64dc2fa
parent 934 2a42a68f4b59
child 952 e984cfdf3b10
equal deleted inserted replaced
945:477393b00f95 946:c012a64dc2fa
    41 
    41 
    42 /* file with declaration of absyntax classes... */
    42 /* file with declaration of absyntax classes... */
    43 #include "../absyntax/absyntax.hh"
    43 #include "../absyntax/absyntax.hh"
    44 
    44 
    45 
    45 
       
    46 #include "../main.hh"
    46 #include "stage1_2.hh"
    47 #include "stage1_2.hh"
    47 #include "iec_bison.hh"
    48 #include "iec_bison.hh"
    48 #include "stage1_2_priv.hh"
    49 #include "stage1_2_priv.hh"
    49 #include "create_enumtype_conversion_functions.hh"
    50 #include "create_enumtype_conversion_functions.hh"
    50 
    51 
    51 
    52 
    52 
    53 
    53 
    54 
    54 static stage1_2_options_t options_;
       
    55 
    55 
    56 /******************************************************/
    56 /******************************************************/
    57 /* whether we are supporting safe extensions          */
    57 /* whether we are supporting safe extensions          */
    58 /* as defined in PLCopen - Technical Committee 5      */
    58 /* as defined in PLCopen - Technical Committee 5      */
    59 /* Safety Software Technical Specification,           */
    59 /* Safety Software Technical Specification,           */
    60 /* Part 1: Concepts and Function Blocks,              */
    60 /* Part 1: Concepts and Function Blocks,              */
    61 /* Version 1.0 – Official Release                   */
    61 /* Version 1.0 – Official Release                   */
    62 /******************************************************/
    62 /******************************************************/
    63 bool get_opt_safe_extensions() {return options_.safe_extensions;}
    63 bool get_opt_safe_extensions() {return runtime_options.safe_extensions;}
    64 
    64 
    65 /************************************/
    65 /************************************/
    66 /* whether to allow nested comments */
    66 /* whether to allow nested comments */
    67 /************************************/
    67 /************************************/
    68 bool get_opt_nested_comments() {return options_.nested_comments;}
    68 bool get_opt_nested_comments() {return runtime_options.nested_comments;}
    69 
    69 
    70 /**************************************************************************/
    70 /**************************************************************************/
    71 /* whether to allow REF(), DREF(), REF_TO, NULL and ^ operators/keywords  */
    71 /* whether to allow REF(), DREF(), REF_TO, NULL and ^ operators/keywords  */
    72 /**************************************************************************/
    72 /**************************************************************************/
    73 bool get_opt_ref_standard_extensions() {return options_.ref_standard_extensions;}
    73 bool get_opt_ref_standard_extensions() {return runtime_options.ref_standard_extensions;}
    74 
    74 
    75 
    75 
    76 
    76 
    77 /****************************************************/
    77 /****************************************************/
    78 /* Controlling the entry to the body_state in flex. */
    78 /* Controlling the entry to the body_state in flex. */
   224 /***********************************************************************/
   224 /***********************************************************************/
   225 /***********************************************************************/
   225 /***********************************************************************/
   226 /***********************************************************************/
   226 /***********************************************************************/
   227 
   227 
   228 int stage2__(const char *filename, 
   228 int stage2__(const char *filename, 
   229              symbol_c **tree_root_ref,
   229              symbol_c **tree_root_ref
   230              stage1_2_options_t options
       
   231             );
   230             );
   232 
   231 
   233 
   232 
   234 int stage1_2(const char *filename, symbol_c **tree_root_ref, stage1_2_options_t options) {
   233 int stage1_2(const char *filename, symbol_c **tree_root_ref) {
   235       /* NOTE: we only call stage2 (bison - syntax analysis) directly, as stage 2 will itself call stage1 (flex - lexical analysis)
   234       /* NOTE: we only call stage2 (bison - syntax analysis) directly, as stage 2 will itself call stage1 (flex - lexical analysis)
   236        *       automatically as needed
   235        *       automatically as needed
   237        */
   236        */
   238 
   237 
   239       /* NOTE: Since we do not call stage1__ (flex) directly, we cannot directly pass any parameters to that function either.
   238       /* NOTE: Since we do not call stage1__ (flex) directly, we cannot directly pass any parameters to that function either.
   240        *       In this case, we use callback functions, i.e. stage1__ (i.e. flex) will call functions defined in this file
   239        *       In this case, we use callback functions, i.e. stage1__ (i.e. flex) will call functions defined in this file
   241        *       whenever it needs info/parameters coming from stage1_2().
   240        *       whenever it needs info/parameters coming from stage1_2().
   242        *       These callback functions will get their data from local (to this file) global variables...
   241        *       These callback functions will get their data from local (to this file) global variables...
   243        *       We now set those variables...
   242        *       We now set those variables...
   244        */
   243        */
   245   options_ = options;
   244   return stage2__(filename, tree_root_ref);
   246   return stage2__(filename, tree_root_ref, options);
   245 }
   247 }
   246 
   248