diff options
Diffstat (limited to 'gcc-4.2.1/gcc/ada/sem_ch5.ads')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/sem_ch5.ads | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/ada/sem_ch5.ads b/gcc-4.2.1/gcc/ada/sem_ch5.ads new file mode 100644 index 000000000..0ea538eb1 --- /dev/null +++ b/gcc-4.2.1/gcc/ada/sem_ch5.ads @@ -0,0 +1,65 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S E M _ C H 5 -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 1992-2005, 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_Possible_Current_Value_Condition (Cnode : Node_Id); + -- Cnode is N_If_Statement, N_Elsif_Part, or N_Iteration_Scheme + -- (the latter when a WHILE condition is present). This call checks + -- if Condition (Cnode) is of the form ([NOT] var op val), where var + -- is a simple object, val is known at compile time, and op is one + -- of the six relational operators. If this is the case, and the + -- Current_Value field of "var" is not set, then it is set to Cnode. + -- See Exp_Util.Set_Current_Value_Condition for further details. + + 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; |