smatch_expressions.c

   1 #include "smatch.h"
   2
   3 static struct position pos;
   4
   5 struct expression *zero_expr()
   6 {
   7         static struct expression *zero;
   8
   9         if (zero)
  10                 return zero;
  11
  12         zero = alloc_expression(pos, EXPR_VALUE);
  13         zero->value = 0;
  14         return zero;
  15 }
  16
  17 struct expression *value_expr(long long val)
  18 {
  19         struct expression *expr;
  20
  21         if (!val)
  22                 return zero_expr();
  23
  24         expr = alloc_expression(pos, EXPR_VALUE);
  25         expr->value = val;
  26         return expr;
  27 }