From 7813a5109103ac06197386fa7c6cda211b8f5037 Mon Sep 17 00:00:00 2001 From: Robert Dewar Date: Wed, 30 Jul 2008 19:38:16 +0200 Subject: [PATCH] exp_util.ads (Find_Prim_Op): Document that Program_Error is raised if no primitive operation is found. 2008-07-30 Robert Dewar * exp_util.ads (Find_Prim_Op): Document that Program_Error is raised if no primitive operation is found. * exp_util.adb: (Find_Prim_Op): Add comments for previous change From-SVN: r138329 --- gcc/ada/exp_util.adb | 4 ++++ gcc/ada/exp_util.ads | 8 +++++++- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/gcc/ada/exp_util.adb b/gcc/ada/exp_util.adb index e4b4389..09850f6 100644 --- a/gcc/ada/exp_util.adb +++ b/gcc/ada/exp_util.adb @@ -1582,6 +1582,8 @@ package body Exp_Util is Next_Elmt (Prim); + -- Raise Program_Error if no primitive found + if No (Prim) then raise Program_Error; end if; @@ -1612,6 +1614,8 @@ package body Exp_Util is while not Is_TSS (Node (Prim), Name) loop Next_Elmt (Prim); + -- Raise program error if no primitive found + if No (Prim) then raise Program_Error; end if; diff --git a/gcc/ada/exp_util.ads b/gcc/ada/exp_util.ads index 5e57147..5848d5d 100644 --- a/gcc/ada/exp_util.ads +++ b/gcc/ada/exp_util.ads @@ -360,7 +360,10 @@ package Exp_Util is -- Find the first primitive operation of type T whose name is 'Name'. -- This function allows the use of a primitive operation which is not -- directly visible. If T is a class wide type, then the reference is - -- to an operation of the corresponding root type. + -- to an operation of the corresponding root type. Raises Program_Error + -- exception if no primitive operation is found. This is normally an + -- internal error, but in some cases is an expected consequence of + -- illegalities elsewhere. function Find_Prim_Op (T : Entity_Id; @@ -370,6 +373,9 @@ package Exp_Util is -- with the indicated suffix). This function allows use of a primitive -- operation which is not directly visible. If T is a class wide type, -- then the reference is to an operation of the corresponding root type. + -- Raises Program_Error exception if no primitive operation is found. + -- This is normally an internal error, but in some cases is an expected + -- consequence of illegalities elsewhere. function Find_Protection_Object (Scop : Entity_Id) return Entity_Id; -- Traverse the scope stack starting from Scop and look for an entry, -- 2.7.4