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Diffstat (limited to 'gcc-4.9/gcc/ada/treepr.ads')
| -rw-r--r-- | gcc-4.9/gcc/ada/treepr.ads | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/ada/treepr.ads b/gcc-4.9/gcc/ada/treepr.ads new file mode 100644 index 000000000..2d1fb93e8 --- /dev/null +++ b/gcc-4.9/gcc/ada/treepr.ads @@ -0,0 +1,102 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- T R E E P R -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 1992-2013, Free Software Foundation, Inc. -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING3. If not, go to -- +-- http://www.gnu.org/licenses for a complete copy of the license. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +with Types; use Types; +package Treepr is + +-- This package provides printing routines for the abstract syntax tree +-- These routines are intended only for debugging use. + + procedure Tree_Dump; + -- This routine is called from the GNAT main program to dump trees as + -- requested by debug options (including tree of Standard if requested). + + procedure Print_Tree_Node (N : Node_Id; Label : String := ""); + -- Prints a single tree node, without printing descendants. The Label + -- string is used to preface each line of the printed output. + + procedure Print_Node_Briefly (N : Node_Id); + -- Terse version of Print_Tree_Node + + procedure Print_Tree_List (L : List_Id); + -- Prints a single node list, without printing the descendants of any + -- of the nodes in the list + + procedure Print_Tree_Elist (E : Elist_Id); + -- Prints a single node list, without printing the descendants of any + -- of the nodes in the list + + procedure Print_Node_Subtree (N : Node_Id); + -- Prints the subtree routed at a specified tree node, including all + -- referenced descendants. + + procedure Print_List_Subtree (L : List_Id); + -- Prints the subtree consisting of the given node list and all its + -- referenced descendants. + + procedure Print_Elist_Subtree (E : Elist_Id); + -- Prints the subtree consisting of the given element list and all its + -- referenced descendants. + + -- The following debugging procedures are intended to be called from gdb + + function p (N : Union_Id) return Node_Or_Entity_Id; + pragma Export (Ada, p); + -- Returns parent of a list or node (depending on the value of N). If N + -- is neither a list nor a node id, then prints a message to that effect + -- and returns Empty. + + procedure pn (N : Union_Id); + -- Prints a node, node list, uint, or anything else that falls under + -- the definition of Union_Id. Historically this was only for printing + -- nodes, hence the name. + + procedure pp (N : Union_Id); + pragma Export (Ada, pp); + -- Identical to pn, present for historical reasons + + procedure ppp (N : Node_Id); + pragma Export (Ada, ppp); + -- Same as Print_Node_Subtree + + -- The following are no longer really needed, now that pn will print + -- anything you throw at it. + + procedure pe (E : Elist_Id); + pragma Export (Ada, pe); + -- Same as Print_Tree_Elist + + procedure pl (L : Int); + pragma Export (Ada, pl); + -- Same as Print_Tree_List, except that you can use e.g. 66 instead of + -- -99999966. In other words for the positive case we fill out to 8 digits + -- on the left and add a minus sign. This just saves some typing in the + -- debugger. + + procedure pt (N : Node_Id); + pragma Export (Ada, pt); + -- Same as ppp + +end Treepr; |