expr.h 1.8 KB

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  1. /*
  2. * Expression Abstract Syntax Tree Functions
  3. *
  4. * Copyright 2002 Ove Kaaven
  5. * Copyright 2006-2008 Robert Shearman
  6. *
  7. * This library is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU Lesser General Public
  9. * License as published by the Free Software Foundation; either
  10. * version 2.1 of the License, or (at your option) any later version.
  11. *
  12. * This library is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with this library; if not, write to the Free Software
  19. * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20. */
  21. struct expr_loc
  22. {
  23. const var_t *v;
  24. const char *attr;
  25. };
  26. extern expr_t *make_expr(enum expr_type type);
  27. extern expr_t *make_exprl(enum expr_type type, int val);
  28. extern expr_t *make_exprd(enum expr_type type, double val);
  29. extern expr_t *make_exprs(enum expr_type type, char *val);
  30. extern expr_t *make_exprt(enum expr_type type, var_t *var, expr_t *expr);
  31. extern expr_t *make_expr1(enum expr_type type, expr_t *expr);
  32. extern expr_t *make_expr2(enum expr_type type, expr_t *exp1, expr_t *exp2);
  33. extern expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3);
  34. extern const type_t *expr_resolve_type(const struct expr_loc *expr_loc, const type_t *cont_type, const expr_t *expr);
  35. extern int compare_expr(const expr_t *a, const expr_t *b);
  36. extern void write_expr(FILE *h, const expr_t *e, int brackets, int toplevel, const char *toplevel_prefix,
  37. const type_t *cont_type, const char *local_var_prefix);