etisserant@0: /* msousa@261: * matiec - a compiler for the programming languages defined in IEC 61131-3 msousa@261: * Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt) Edouard@279: * Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant msousa@261: * msousa@261: * This program is free software: you can redistribute it and/or modify msousa@261: * it under the terms of the GNU General Public License as published by msousa@261: * the Free Software Foundation, either version 3 of the License, or msousa@261: * (at your option) any later version. msousa@261: * msousa@261: * This program is distributed in the hope that it will be useful, msousa@261: * but WITHOUT ANY WARRANTY; without even the implied warranty of msousa@261: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the msousa@261: * GNU General Public License for more details. msousa@261: * msousa@261: * You should have received a copy of the GNU General Public License msousa@261: * along with this program. If not, see . msousa@261: * etisserant@0: * etisserant@0: * This code is made available on the understanding that it will not be etisserant@0: * used in safety-critical situations without a full and competent review. etisserant@0: */ etisserant@0: etisserant@0: /* msousa@261: * An IEC 61131-3 compiler. etisserant@0: * etisserant@0: * Based on the etisserant@0: * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10) etisserant@0: * etisserant@0: */ etisserant@0: etisserant@0: /* etisserant@0: * Definition of the Abstract Syntax data structure components etisserant@0: */ etisserant@0: etisserant@0: #include etisserant@0: #include /* required for exit() */ etisserant@0: #include etisserant@0: etisserant@0: #include "absyntax.hh" etisserant@0: //#include "../stage1_2/iec.hh" /* required for BOGUS_TOKEN_ID, etc... */ etisserant@0: #include "visitor.hh" etisserant@0: msousa@350: #define ERROR error_exit(__FILE__,__LINE__) msousa@350: /* function defined in main.cc */ msousa@350: extern void error_exit(const char *file_name, int line_no); msousa@350: msousa@350: #define ABORT(str) {printf("ERROR: %s\n", str); ERROR;} etisserant@0: etisserant@0: etisserant@0: etisserant@0: /* The base class of all symbols */ msousa@286: symbol_c::symbol_c( msousa@287: int first_line, int first_column, const char *ffile, long int first_order, msousa@287: int last_line, int last_column, const char *lfile, long int last_order ) { msousa@286: this->first_file = ffile, mario@69: this->first_line = first_line; mario@69: this->first_column = first_column; msousa@287: this->first_order = first_order; msousa@286: this->last_file = lfile, mario@69: this->last_line = last_line; mario@69: this->last_column = last_column; msousa@287: this->last_order = last_order; msousa@417: this->datatype = NULL; mario@69: } mario@69: mario@69: mario@69: msousa@286: token_c::token_c(const char *value, msousa@287: int fl, int fc, const char *ffile, long int forder, msousa@287: int ll, int lc, const char *lfile, long int lorder) msousa@287: :symbol_c(fl, fc, ffile, forder, ll, lc, lfile, lorder) { etisserant@0: this->value = value; etisserant@0: // printf("New token: %s\n", value); etisserant@0: } etisserant@0: etisserant@0: etisserant@0: etisserant@0: etisserant@0: etisserant@0: msousa@286: list_c::list_c( msousa@287: int fl, int fc, const char *ffile, long int forder, msousa@287: int ll, int lc, const char *lfile, long int lorder) msousa@287: :symbol_c(fl, fc, ffile, forder, ll, lc, lfile, lorder) { etisserant@0: n = 0; etisserant@0: elements = NULL; etisserant@0: } etisserant@0: msousa@286: list_c::list_c(symbol_c *elem, msousa@287: int fl, int fc, const char *ffile, long int forder, msousa@287: int ll, int lc, const char *lfile, long int lorder) msousa@287: :symbol_c(fl, fc, ffile, forder, ll, lc, lfile, lorder) { etisserant@0: n = 0; etisserant@0: elements = NULL; etisserant@0: add_element(elem); etisserant@0: } etisserant@0: msousa@350: /* append a new element to the end of the list */ etisserant@0: void list_c::add_element(symbol_c *elem) { etisserant@0: //printf("list_c::add_element()\n"); etisserant@0: n++; etisserant@0: elements = (symbol_c **)realloc(elements, n * sizeof(symbol_c *)); etisserant@0: if (elements == NULL) etisserant@0: ABORT("Out of memory"); etisserant@0: elements[n - 1] = elem; mario@69: mario@69: if (elem == NULL) mario@69: return; mario@69: mario@69: /* adjust the location parameters, taking into account the new element. */ mario@69: if ((first_line == elem->first_line) && mario@69: (first_column > elem->first_column)) { mario@69: first_column = elem->first_column; mario@69: } mario@69: if (first_line > elem->first_line) { mario@69: first_line = elem->first_line; mario@69: first_column = elem->first_column; mario@69: } mario@69: if ((last_line == elem->last_line) && mario@69: (last_column < elem->last_column)) { mario@69: last_column = elem->last_column; mario@69: } mario@69: if (last_line < elem->last_line) { mario@69: last_line = elem->last_line; mario@69: last_column = elem->last_column; mario@69: } mario@69: } etisserant@0: msousa@350: /* insert a new element before position pos. */ msousa@350: /* To insert into the begining of list, call with pos=0 */ msousa@350: /* To insert into the end of list, call with pos=list->n */ msousa@350: void list_c::insert_element(symbol_c *elem, int pos) { msousa@350: if (pos > n) ERROR; msousa@350: msousa@350: /* add new element to end of list. Basically alocate required memory... */ msousa@350: /* will also increment n by 1 ! */ msousa@350: add_element(elem); msousa@350: /* if not inserting into end position, shift all elements up one position, to open up a slot in pos for new element */ msousa@438: if (pos < (n-1)) for (int i = n-2; i >= pos; i--) elements[i+1] = elements[i]; msousa@350: elements[pos] = elem; msousa@350: } msousa@350: msousa@350: msousa@438: /* remove element at position pos. */ msousa@438: void list_c::remove_element(int pos) { msousa@438: if (pos > n) ERROR; msousa@438: msousa@438: /* Shift all elements down one position, starting at the entry to delete. */ msousa@438: for (int i = pos; i < n-1; i++) elements[i] = elements[i+1]; msousa@438: /* corrent the new size, and free unused memory */ msousa@438: n--; msousa@438: elements = (symbol_c **)realloc(elements, n * sizeof(symbol_c *)); msousa@438: } msousa@350: msousa@350: #define SYM_LIST(class_name_c, ...) \ msousa@286: class_name_c::class_name_c( \ msousa@287: int fl, int fc, const char *ffile, long int forder, \ msousa@287: int ll, int lc, const char *lfile, long int lorder) \ msousa@287: :list_c(fl, fc, ffile, forder, ll, lc, lfile, lorder) {} \ msousa@286: class_name_c::class_name_c(symbol_c *elem, \ msousa@287: int fl, int fc, const char *ffile, long int forder, \ msousa@287: int ll, int lc, const char *lfile, long int lorder) \ msousa@287: :list_c(elem, fl, fc, ffile, forder, ll, lc, lfile, lorder) {} \ msousa@286: void *class_name_c::accept(visitor_c &visitor) {return visitor.visit(this);} msousa@286: msousa@350: #define SYM_TOKEN(class_name_c, ...) \ msousa@286: class_name_c::class_name_c(const char *value, \ msousa@287: int fl, int fc, const char *ffile, long int forder, \ msousa@287: int ll, int lc, const char *lfile, long int lorder) \ msousa@287: :token_c(value, fl, fc, ffile, forder, ll, lc, lfile, lorder) {} \ msousa@286: void *class_name_c::accept(visitor_c &visitor) {return visitor.visit(this);} msousa@286: msousa@350: #define SYM_REF0(class_name_c, ...) \ msousa@286: class_name_c::class_name_c( \ msousa@287: int fl, int fc, const char *ffile, long int forder, \ msousa@287: int ll, int lc, const char *lfile, long int lorder) \ msousa@287: :symbol_c(fl, fc, ffile, forder, ll, lc, lfile, lorder) {} \ msousa@286: void *class_name_c::accept(visitor_c &visitor) {return visitor.visit(this);} msousa@286: msousa@286: msousa@350: #define SYM_REF1(class_name_c, ref1, ...) \ msousa@350: class_name_c::class_name_c(symbol_c *ref1, \ msousa@350: int fl, int fc, const char *ffile, long int forder, \ msousa@350: int ll, int lc, const char *lfile, long int lorder) \ msousa@350: :symbol_c(fl, fc, ffile, forder, ll, lc, lfile, lorder) { \ msousa@350: this->ref1 = ref1; \ msousa@350: } \ msousa@350: void *class_name_c::accept(visitor_c &visitor) {return visitor.visit(this);} msousa@350: msousa@350: msousa@350: #define SYM_REF2(class_name_c, ref1, ref2, ...) \ msousa@350: class_name_c::class_name_c(symbol_c *ref1, \ msousa@350: symbol_c *ref2, \ msousa@350: int fl, int fc, const char *ffile, long int forder, \ msousa@350: int ll, int lc, const char *lfile, long int lorder) \ msousa@350: :symbol_c(fl, fc, ffile, forder, ll, lc, lfile, lorder) { \ msousa@350: this->ref1 = ref1; \ msousa@350: this->ref2 = ref2; \ msousa@350: } \ msousa@350: void *class_name_c::accept(visitor_c &visitor) {return visitor.visit(this);} msousa@350: msousa@350: msousa@350: #define SYM_REF3(class_name_c, ref1, ref2, ref3, ...) \ msousa@350: class_name_c::class_name_c(symbol_c *ref1, \ msousa@350: symbol_c *ref2, \ msousa@350: symbol_c *ref3, \ msousa@350: int fl, int fc, const char *ffile, long int forder, \ msousa@350: int ll, int lc, const char *lfile, long int lorder) \ msousa@350: :symbol_c(fl, fc, ffile, forder, ll, lc, lfile, lorder) { \ msousa@350: this->ref1 = ref1; \ msousa@350: this->ref2 = ref2; \ msousa@350: this->ref3 = ref3; \ msousa@350: } \ msousa@350: void *class_name_c::accept(visitor_c &visitor) {return visitor.visit(this);} msousa@350: msousa@350: msousa@350: #define SYM_REF4(class_name_c, ref1, ref2, ref3, ref4, ...) \ msousa@286: class_name_c::class_name_c(symbol_c *ref1, \ msousa@286: symbol_c *ref2, \ msousa@286: symbol_c *ref3, \ msousa@286: symbol_c *ref4, \ msousa@287: int fl, int fc, const char *ffile, long int forder, \ msousa@287: int ll, int lc, const char *lfile, long int lorder) \ msousa@287: :symbol_c(fl, fc, ffile, forder, ll, lc, lfile, lorder) { \ msousa@286: this->ref1 = ref1; \ msousa@286: this->ref2 = ref2; \ msousa@286: this->ref3 = ref3; \ msousa@286: this->ref4 = ref4; \ msousa@286: } \ msousa@286: void *class_name_c::accept(visitor_c &visitor) {return visitor.visit(this);} msousa@286: msousa@286: msousa@350: #define SYM_REF5(class_name_c, ref1, ref2, ref3, ref4, ref5, ...) \ msousa@286: class_name_c::class_name_c(symbol_c *ref1, \ msousa@286: symbol_c *ref2, \ msousa@286: symbol_c *ref3, \ msousa@286: symbol_c *ref4, \ msousa@286: symbol_c *ref5, \ msousa@287: int fl, int fc, const char *ffile, long int forder, \ msousa@287: int ll, int lc, const char *lfile, long int lorder) \ msousa@287: :symbol_c(fl, fc, ffile, forder, ll, lc, lfile, lorder) { \ msousa@286: this->ref1 = ref1; \ msousa@286: this->ref2 = ref2; \ msousa@286: this->ref3 = ref3; \ msousa@286: this->ref4 = ref4; \ msousa@286: this->ref5 = ref5; \ msousa@286: } \ msousa@286: void *class_name_c::accept(visitor_c &visitor) {return visitor.visit(this);} msousa@286: msousa@286: msousa@286: msousa@350: #define SYM_REF6(class_name_c, ref1, ref2, ref3, ref4, ref5, ref6, ...) \ msousa@286: class_name_c::class_name_c(symbol_c *ref1, \ msousa@286: symbol_c *ref2, \ msousa@286: symbol_c *ref3, \ msousa@286: symbol_c *ref4, \ msousa@286: symbol_c *ref5, \ msousa@286: symbol_c *ref6, \ msousa@287: int fl, int fc, const char *ffile, long int forder, \ msousa@287: int ll, int lc, const char *lfile, long int lorder) \ msousa@287: :symbol_c(fl, fc, ffile, forder, ll, lc, lfile, lorder) { \ msousa@286: this->ref1 = ref1; \ msousa@286: this->ref2 = ref2; \ msousa@286: this->ref3 = ref3; \ msousa@286: this->ref4 = ref4; \ msousa@286: this->ref5 = ref5; \ msousa@286: this->ref6 = ref6; \ msousa@286: } \ etisserant@0: void *class_name_c::accept(visitor_c &visitor) {return visitor.visit(this);} etisserant@0: etisserant@0: etisserant@0: etisserant@0: #include "absyntax.def" etisserant@0: etisserant@0: etisserant@0: etisserant@0: etisserant@0: #undef SYM_LIST etisserant@0: #undef SYM_TOKEN etisserant@0: #undef SYM_TOKEN etisserant@0: #undef SYM_REF0 mario@69: #undef SYM_REF1 etisserant@0: #undef SYM_REF2 mario@69: #undef SYM_REF3 etisserant@0: #undef SYM_REF4 mario@69: #undef SYM_REF5 etisserant@0: #undef SYM_REF6 etisserant@0: etisserant@0: etisserant@0: etisserant@0: etisserant@0: