45 /*

    45 /* This file includes the interface through which the main function accesses the stage1_2 services */

    46  * This file includes the interface through which the main function accesses the stage1_2 services 

    47  */

    50 

    48 int stage1_2(const char *filename, symbol_c **tree_root);

    51 typedef struct {

    52 		/******************************************************/

    53 		/* whether we are suporting safe extensions           */

    54 		/* as defined in PLCopen - Technical Committee 5      */

    55 		/* Safety Software Technical Specification,           */

    56 		/* Part 1: Concepts and Function Blocks,              */

    57 		/* Version 1.0 – Official Release                     */

    58 		/******************************************************/

    59 	bool safe_extensions;

    60 	bool full_token_loc;           /* error messages specify full token location */

    61 	bool conversion_functions;     /* Create a conversion function for derived datatype */

    62 	bool nested_comments;          /* Allow the use of nested comments. */

    63 	bool ref_standard_extensions;  /* Allow the use of REFerences (keywords REF_TO, REF, DREF, ^, NULL). */

    64 	bool ref_nonstand_extensions;  /* Allow the use of non-standard extensions to REF_TO datatypes: REF_TO ANY, and REF_TO in struct elements! */

    65 	const char *includedir;        /* Include directory, where included files will be searched for... */

    66 } stage1_2_options_t;

    67 

    68 

    69 int stage1_2(const char *filename, symbol_c **tree_root, stage1_2_options_t options);