2a806772b8
2006-10-31 Robert Dewar <dewar@adacore.com> Ed Schonberg <schonberg@adacore.com> Gary Dismukes <dismukes@adacore.com> * sem_ch5.ads, sem_ch5.adb (Analyze_Loop_Statement): Add circuit to warn on infinite loops. Add \\ to some continuation messages (Analyze_Assignment_Statement): Call Warn_On_Useless_Assignment (Process_Bounds): If the bounds are integer literals that result from constant-folding, and they carry a user-defined type, preserve that type rather than treating this as an integer range. (Analyze_Exit_Statement): Test for E_Return_Statement in legality check. (Analyze_Goto_Statement): Test for E_Return_Stateemnt in legality check. (Analyze_Assignment_Statement): Add call to Check_Elab_Assign for left hand side of assignment. (Analyze_Assignment): Add suport to manage assigments to the attribute priority of a protected object. (Check_Possible_Current_Value_Condition): Allow fully qualified names not just identifiers. (Check_Possible_Current_Value_Condition): Acquire left operand of AND or AND THEN for possible tracking. (Analyze_Iteration_Scheme): Check for setting Current_Value for the case of while loops so we can track values in the loop body. From-SVN: r118303
57 lines
3.4 KiB
Ada
57 lines
3.4 KiB
Ada
------------------------------------------------------------------------------
|
|
-- --
|
|
-- GNAT COMPILER COMPONENTS --
|
|
-- --
|
|
-- S E M _ C H 5 --
|
|
-- --
|
|
-- S p e c --
|
|
-- --
|
|
-- Copyright (C) 1992-2006, 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 2, 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 COPYING. If not, write --
|
|
-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
|
|
-- Boston, MA 02110-1301, USA. --
|
|
-- --
|
|
-- 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 Sem_Ch5 is
|
|
|
|
procedure Analyze_Assignment (N : Node_Id);
|
|
procedure Analyze_Block_Statement (N : Node_Id);
|
|
procedure Analyze_Case_Statement (N : Node_Id);
|
|
procedure Analyze_Exit_Statement (N : Node_Id);
|
|
procedure Analyze_Goto_Statement (N : Node_Id);
|
|
procedure Analyze_If_Statement (N : Node_Id);
|
|
procedure Analyze_Implicit_Label_Declaration (N : Node_Id);
|
|
procedure Analyze_Label (N : Node_Id);
|
|
procedure Analyze_Loop_Statement (N : Node_Id);
|
|
procedure Analyze_Null_Statement (N : Node_Id);
|
|
procedure Analyze_Statements (L : List_Id);
|
|
|
|
procedure Analyze_Label_Entity (E : Entity_Id);
|
|
-- This procedure performs direct analysis of the label entity E. It
|
|
-- is used when a label is created by the expander without bothering
|
|
-- to insert an N_Implicit_Label_Declaration in the tree. It also takes
|
|
-- care of setting Reachable, since labels defined by the expander can
|
|
-- be assumed to be reachable.
|
|
|
|
procedure Check_Unreachable_Code (N : Node_Id);
|
|
-- This procedure is called with N being the node for a statement that
|
|
-- is an unconditional transfer of control. It checks to see if the
|
|
-- statement is followed by some other statement, and if so generates
|
|
-- an appropriate warning for unreachable code.
|
|
|
|
end Sem_Ch5;
|