aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/ada/exp_ch4.ads
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/ada/exp_ch4.ads')
-rw-r--r--gcc-4.9/gcc/ada/exp_ch4.ads106
1 files changed, 106 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/ada/exp_ch4.ads b/gcc-4.9/gcc/ada/exp_ch4.ads
new file mode 100644
index 000000000..676aeb225
--- /dev/null
+++ b/gcc-4.9/gcc/ada/exp_ch4.ads
@@ -0,0 +1,106 @@
+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- E X P _ C H 4 --
+-- --
+-- 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. --
+-- --
+------------------------------------------------------------------------------
+
+-- Expand routines for chapter 4 constructs
+
+with Types; use Types;
+
+package Exp_Ch4 is
+
+ procedure Expand_N_Allocator (N : Node_Id);
+ procedure Expand_N_And_Then (N : Node_Id);
+ procedure Expand_N_Case_Expression (N : Node_Id);
+ procedure Expand_N_Explicit_Dereference (N : Node_Id);
+ procedure Expand_N_Expression_With_Actions (N : Node_Id);
+ procedure Expand_N_If_Expression (N : Node_Id);
+ procedure Expand_N_In (N : Node_Id);
+ procedure Expand_N_Indexed_Component (N : Node_Id);
+ procedure Expand_N_Not_In (N : Node_Id);
+ procedure Expand_N_Null (N : Node_Id);
+ procedure Expand_N_Op_Abs (N : Node_Id);
+ procedure Expand_N_Op_Add (N : Node_Id);
+ procedure Expand_N_Op_And (N : Node_Id);
+ procedure Expand_N_Op_Concat (N : Node_Id);
+ procedure Expand_N_Op_Divide (N : Node_Id);
+ procedure Expand_N_Op_Expon (N : Node_Id);
+ procedure Expand_N_Op_Eq (N : Node_Id);
+ procedure Expand_N_Op_Ge (N : Node_Id);
+ procedure Expand_N_Op_Gt (N : Node_Id);
+ procedure Expand_N_Op_Le (N : Node_Id);
+ procedure Expand_N_Op_Lt (N : Node_Id);
+ procedure Expand_N_Op_Minus (N : Node_Id);
+ procedure Expand_N_Op_Mod (N : Node_Id);
+ procedure Expand_N_Op_Multiply (N : Node_Id);
+ procedure Expand_N_Op_Ne (N : Node_Id);
+ procedure Expand_N_Op_Not (N : Node_Id);
+ procedure Expand_N_Op_Or (N : Node_Id);
+ procedure Expand_N_Op_Plus (N : Node_Id);
+ procedure Expand_N_Op_Rem (N : Node_Id);
+ procedure Expand_N_Op_Rotate_Left (N : Node_Id);
+ procedure Expand_N_Op_Rotate_Right (N : Node_Id);
+ procedure Expand_N_Op_Shift_Left (N : Node_Id);
+ procedure Expand_N_Op_Shift_Right (N : Node_Id);
+ procedure Expand_N_Op_Shift_Right_Arithmetic (N : Node_Id);
+ procedure Expand_N_Op_Subtract (N : Node_Id);
+ procedure Expand_N_Op_Xor (N : Node_Id);
+ procedure Expand_N_Or_Else (N : Node_Id);
+ procedure Expand_N_Qualified_Expression (N : Node_Id);
+ procedure Expand_N_Quantified_Expression (N : Node_Id);
+ procedure Expand_N_Selected_Component (N : Node_Id);
+ procedure Expand_N_Slice (N : Node_Id);
+ procedure Expand_N_Type_Conversion (N : Node_Id);
+ procedure Expand_N_Unchecked_Expression (N : Node_Id);
+ procedure Expand_N_Unchecked_Type_Conversion (N : Node_Id);
+
+ function Expand_Record_Equality
+ (Nod : Node_Id;
+ Typ : Entity_Id;
+ Lhs : Node_Id;
+ Rhs : Node_Id;
+ Bodies : List_Id)
+ return Node_Id;
+ -- Expand a record equality into an expression that compares the fields
+ -- individually to yield the required Boolean result. Loc is the
+ -- location for the generated nodes. Typ is the type of the record, and
+ -- Lhs, Rhs are the record expressions to be compared, these
+ -- expressions need not to be analyzed but have to be side-effect free.
+ -- Bodies is a list on which to attach bodies of local functions that
+ -- are created in the process. This is the responsibility of the caller
+ -- to insert those bodies at the right place. Nod provides the Sloc
+ -- value for generated code.
+
+ procedure Expand_Set_Membership (N : Node_Id);
+ -- For each choice of a set membership, we create a simple equality or
+ -- membership test. The whole membership is rewritten connecting these
+ -- with OR ELSE.
+
+ function Integer_Promotion_Possible (N : Node_Id) return Boolean;
+ -- Returns true if the node is a type conversion whose operand is an
+ -- arithmetic operation on signed integers, and the base type of the
+ -- signed integer type is smaller than Standard.Integer. In such case we
+ -- have special circuitry in Expand_N_Type_Conversion to promote both of
+ -- the operands to type Integer.
+
+end Exp_Ch4;