/*
* matiec - a compiler for the programming languages defined in IEC 61131-3
* Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt)
* Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant
*
* 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 .
*
*
* This code is made available on the understanding that it will not be
* used in safety-critical situations without a full and competent review.
*/
/*
* An IEC 61131-3 compiler.
*
* Based on the
* FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
*
*/
#ifndef _MAIN_HH
#define _MAIN_HH
/* Compiler options, specified at runtime on the command line */
typedef struct {
/* options specific to stage1_2 */
bool allow_void_datatype; /* Allow declaration of functions returning VOID */
bool allow_missing_var_in; /* Allow definition and invocation of POUs with no input, output and in_out parameters! */
bool disable_implicit_en_eno; /* Disable the generation of implicit EN and ENO parameters on functions and Function Blocks */
bool pre_parsing; /* Support forward references (Run a pre-parsing phase before the defintive parsing phase that builds the AST) */
bool safe_extensions; /* support SAFE_* datatypes defined in PLCOpen TC5 "Safety Software Technical Specification - Part 1" v1.0 */
bool full_token_loc; /* error messages specify full token location */
bool conversion_functions; /* Create a conversion function for derived datatype */
bool nested_comments; /* Allow the use of nested comments. */
bool ref_standard_extensions; /* Allow the use of REFerences (keywords REF_TO, REF, DREF, ^, NULL). */
bool ref_nonstand_extensions; /* Allow the use of non-standard extensions to REF_TO datatypes: REF_TO ANY, and REF_TO in struct elements! */
bool nonliteral_in_array_size; /* Allow the use of constant non-literals when specifying size of arrays (ARRAY [1..max] OF INT) */
const char *includedir; /* Include directory, where included files will be searched for... */
/* options specific to stage3 */
bool relaxed_datatype_model; /* Use the relaxed datatype equivalence model, instead of the default strict equivalence model */
} runtime_options_t;
extern runtime_options_t runtime_options;
/* Function used throughout the code --> used to report failed assertions (i.e. internal compiler errors)! */
#include /* required for NULL */
#define ERROR error_exit(__FILE__,__LINE__)
#define ERROR_MSG(msg, ...) error_exit(__FILE__,__LINE__, msg, ## __VA_ARGS__)
extern void error_exit(const char *file_name, int line_no, const char *errmsg = NULL, ...);
/* Get the definition of INT16_MAX, INT16_MIN, UINT64_MAX, INT64_MAX, INT64_MIN, ... */
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS /* required to have UINTxx_MAX defined when including stdint.h from C++ source code. */
#endif
#include
#include
#ifndef UINT64_MAX
#define UINT64_MAX (std::numeric_limits< uint64_t >::max())
#endif
#ifndef INT64_MAX
#define INT64_MAX (std::numeric_limits< int64_t >::max())
#endif
#ifndef INT64_MIN
#define INT64_MIN (std::numeric_limits< int64_t >::min())
#endif
/* Determine, for the current platform, which datas types (float, double or long double) use 64 and 32 bits. */
/* NOTE: We cant use sizeof() in pre-processor directives, so we have to do it another way... */
/* CURIOSITY: We can use sizeof() and offsetof() inside static_assert() but:
* - this only allows us to make assertions, and not #define new macros
* - is only available in the C standard [ISO/IEC 9899:2011] and the C++ 0X draft standard [Becker 2008]. It is not available in C99.
* https://www.securecoding.cert.org/confluence/display/seccode/DCL03-C.+Use+a+static+assertion+to+test+the+value+of+a+constant+expression
* struct {int a, b, c, d} header_t;
* e.g.: static_assert(offsetof(struct header_t, c) == 8, "Compile time error message.");
*/
#include
#if (LDBL_MANT_DIG == 53) /* NOTE: 64 bit IEC559 real has 53 bits for mantissa! */
#define real64_tX long_double /* so we can later use #if (real64_t == long_double) directives in the code! */
#define real64_t long double /* NOTE: no underscore '_' between 'long' and 'double' */
#define REAL64_MAX LDBL_MAX
#elif ( DBL_MANT_DIG == 53) /* NOTE: 64 bit IEC559 real has 53 bits for mantissa! */
#define real64_tX double
#define real64_t double
#define REAL64_MAX DBL_MAX
#elif ( FLT_MANT_DIG == 53) /* NOTE: 64 bit IEC559 real has 53 bits for mantissa! */
#define real64_tX float
#define real64_t float
#define REAL64_MAX FLT_MAX
#else
#error Could not find a 64 bit floating point data type on this platform. Aborting...
#endif
#if (LDBL_MANT_DIG == 24) /* NOTE: 32 bit IEC559 real has 24 bits for mantissa! */
#define real32_tX long_double /* so we can later use #if (real32_t == long_double) directives in the code! */
#define real32_t long double /* NOTE: no underscore '_' between 'long' and 'double' */
#define REAL32_MAX LDBL_MAX
#elif ( DBL_MANT_DIG == 24) /* NOTE: 32 bit IEC559 real has 24 bits for mantissa! */
#define real32_tX double
#define real32_t double
#define REAL32_MAX DBL_MAX
#elif ( FLT_MANT_DIG == 24) /* NOTE: 32 bit IEC559 real has 24 bits for mantissa! */
#define real32_tX float
#define real32_t float
#define REAL32_MAX FLT_MAX
#else
#error Could not find a 32 bit floating point data type on this platform. Aborting...
#endif
#include
#ifndef INFINITY
#error Could not find the macro that defines the value for INFINITY in the current platform.
#endif
#ifndef NAN
#error Could not find the macro that defines the value for NAN in the current platform.
#endif
/* get the printf format macros for printing variables of fixed data size
* e.g. int64_t v; printf("value=%"PRId64" !!\n", v);
* e.g. uint64_t v; printf("value=%"PRIu64" !!\n", v);
* e.g. uint64_t v; printf("value=%"PRIx64" !!\n", v); // hexadecimal format
*/
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#include
#endif // #ifndef _MAIN_HH