+static struct value *const_var_ref (struct symbol *var);
+static struct value *const_expr (union exp_element **pc);
+static struct value *maybe_const_expr (union exp_element **pc);
+
+static void gen_traced_pop (struct agent_expr *, struct axs_value *);
+
+static void gen_sign_extend (struct agent_expr *, struct type *);
+static void gen_extend (struct agent_expr *, struct type *);
+static void gen_fetch (struct agent_expr *, struct type *);
+static void gen_left_shift (struct agent_expr *, int);
+
+
+static void gen_frame_args_address (struct agent_expr *);
+static void gen_frame_locals_address (struct agent_expr *);
+static void gen_offset (struct agent_expr *ax, int offset);
+static void gen_sym_offset (struct agent_expr *, struct symbol *);
+static void gen_var_ref (struct agent_expr *ax,
+ struct axs_value *value, struct symbol *var);
+
+
+static void gen_int_literal (struct agent_expr *ax,
+ struct axs_value *value,
+ LONGEST k, struct type *type);
+
+
+static void require_rvalue (struct agent_expr *ax, struct axs_value *value);
+static void gen_usual_unary (struct agent_expr *ax, struct axs_value *value);
+static int type_wider_than (struct type *type1, struct type *type2);
+static struct type *max_type (struct type *type1, struct type *type2);
+static void gen_conversion (struct agent_expr *ax,
+ struct type *from, struct type *to);
+static int is_nontrivial_conversion (struct type *from, struct type *to);
+static void gen_usual_arithmetic (struct agent_expr *ax,
+ struct axs_value *value1,
+ struct axs_value *value2);
+static void gen_integral_promotions (struct agent_expr *ax,
+ struct axs_value *value);
+static void gen_cast (struct agent_expr *ax,
+ struct axs_value *value, struct type *type);
+static void gen_scale (struct agent_expr *ax,
+ enum agent_op op, struct type *type);
+static void gen_add (struct agent_expr *ax,
+ struct axs_value *value,
+ struct axs_value *value1,
+ struct axs_value *value2, char *name);
+static void gen_sub (struct agent_expr *ax,
+ struct axs_value *value,
+ struct axs_value *value1, struct axs_value *value2);
+static void gen_binop (struct agent_expr *ax,
+ struct axs_value *value,
+ struct axs_value *value1,
+ struct axs_value *value2,
+ enum agent_op op,
+ enum agent_op op_unsigned, int may_carry, char *name);
+static void gen_logical_not (struct agent_expr *ax, struct axs_value *value);
+static void gen_complement (struct agent_expr *ax, struct axs_value *value);
+static void gen_deref (struct agent_expr *, struct axs_value *);
+static void gen_address_of (struct agent_expr *, struct axs_value *);
+static int find_field (struct type *type, char *name);
+static void gen_bitfield_ref (struct agent_expr *ax,
+ struct axs_value *value,
+ struct type *type, int start, int end);
+static void gen_struct_ref (struct agent_expr *ax,
+ struct axs_value *value,
+ char *field,
+ char *operator_name, char *operand_name);
+static void gen_repeat (union exp_element **pc,
+ struct agent_expr *ax, struct axs_value *value);
+static void gen_sizeof (union exp_element **pc,
+ struct agent_expr *ax, struct axs_value *value);
+static void gen_expr (union exp_element **pc,
+ struct agent_expr *ax, struct axs_value *value);
+
+static void agent_command (char *exp, int from_tty);