linearize.h

   1 #ifndef LINEARIZE_H
   2 #define LINEARIZE_H
   3
   4 #include "lib.h"
   5 #include "token.h"
   6 #include "parse.h"
   7 #include "symbol.h"
   8
   9 struct basic_block_list;
  10
  11 /*
  12  * Basic block flags. Right now we only have one, which keeps
  13  * track (at build time) whether the basic block has been branched
  14  * out of yet.
  15  */
  16 #define BB_HASBRANCH    0x00000001
  17
  18 struct basic_block {
  19         unsigned long flags;            /* BB status flags */
  20         struct symbol *this;            /* Points to the symbol that owns "this" basic block - NULL if unreachable */
  21         struct statement_list *stmts;   /* Linear list of statements */
  22         struct symbol *next;            /* Points to the symbol that describes the fallthrough */
  23 };
  24
  25 static inline void add_bb(struct basic_block_list **list, struct basic_block *bb)
  26 {
  27         add_ptr_list((struct ptr_list **)list, bb);
  28 }
  29
  30 struct entrypoint {
  31         struct symbol *name;
  32         struct symbol_list *syms;
  33         struct basic_block_list *bbs;
  34         struct basic_block *active;
  35 };
  36
  37 void linearize_symbol(struct symbol *sym);
  38
  39 #endif /* LINEARIZE_H */
  40