summaryrefslogtreecommitdiff
path: root/gcc/ada/checks.adb
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/ada/checks.adb')
-rw-r--r--gcc/ada/checks.adb104
1 files changed, 66 insertions, 38 deletions
diff --git a/gcc/ada/checks.adb b/gcc/ada/checks.adb
index 6f0c87974bf..1bd28ad8df3 100644
--- a/gcc/ada/checks.adb
+++ b/gcc/ada/checks.adb
@@ -8,7 +8,7 @@
-- --
-- $Revision$
-- --
--- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2002 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- --
@@ -47,6 +47,7 @@ with Sem_Warn; use Sem_Warn;
with Sinfo; use Sinfo;
with Snames; use Snames;
with Stand; use Stand;
+with Targparm; use Targparm;
with Tbuild; use Tbuild;
with Ttypes; use Ttypes;
with Urealp; use Urealp;
@@ -197,7 +198,9 @@ package body Checks is
else
Append_To
- (Stmts, Make_Raise_Constraint_Error (Internal_Static_Sloc));
+ (Stmts,
+ Make_Raise_Constraint_Error (Internal_Static_Sloc,
+ Reason => CE_Range_Check_Failed));
end if;
end loop;
end Append_Range_Checks;
@@ -272,7 +275,8 @@ package body Checks is
Condition =>
Make_Op_Gt (Loc,
Left_Opnd => Param_Level,
- Right_Opnd => Type_Level)));
+ Right_Opnd => Type_Level),
+ Reason => PE_Accessibility_Check_Failed));
Analyze_And_Resolve (N);
end if;
@@ -315,11 +319,12 @@ package body Checks is
and then Known_Alignment (E)
then
if Expr_Value (Expr) mod Alignment (E) /= 0 then
- Insert_Action (N,
- Make_Raise_Program_Error (Loc));
- Error_Msg_NE
- ("?specified address for& not " &
- "consistent with alignment", Expr, E);
+ Insert_Action (N,
+ Make_Raise_Program_Error (Loc,
+ Reason => PE_Misaligned_Address_Value));
+ Error_Msg_NE
+ ("?specified address for& not " &
+ "consistent with alignment", Expr, E);
end if;
-- Here we do not know if the value is acceptable, generate
@@ -343,7 +348,8 @@ package body Checks is
Make_Attribute_Reference (Loc,
Prefix => New_Occurrence_Of (E, Loc),
Attribute_Name => Name_Alignment)),
- Right_Opnd => Make_Integer_Literal (Loc, Uint_0))),
+ Right_Opnd => Make_Integer_Literal (Loc, Uint_0)),
+ Reason => PE_Misaligned_Address_Value),
Suppress => All_Checks);
end if;
end if;
@@ -377,9 +383,9 @@ package body Checks is
OK : Boolean;
begin
- if not Software_Overflow_Checking
- or else not Do_Overflow_Check (N)
- or else not Expander_Active
+ if Backend_Overflow_Checks_On_Target
+ or not Do_Overflow_Check (N)
+ or not Expander_Active
then
return;
end if;
@@ -682,7 +688,8 @@ package body Checks is
if Static and then Siz >= Check_Siz then
Insert_Action (N,
- Make_Raise_Storage_Error (Loc));
+ Make_Raise_Storage_Error (Loc,
+ Reason => SE_Object_Too_Large));
Warn_On_Instance := True;
Error_Msg_N ("?Storage_Error will be raised at run-time", N);
Warn_On_Instance := False;
@@ -739,11 +746,11 @@ package body Checks is
Make_Op_Ge (Loc,
Left_Opnd => Sizx,
Right_Opnd =>
- Make_Integer_Literal (Loc, Check_Siz)));
+ Make_Integer_Literal (Loc, Check_Siz)),
+ Reason => SE_Object_Too_Large);
Set_Size_Check_Code (Defining_Identifier (N), Code);
Insert_Action (N, Code);
-
end Apply_Array_Size_Check;
----------------------------
@@ -1026,7 +1033,8 @@ package body Checks is
exit;
else
Apply_Compile_Time_Constraint_Error
- (N, "incorrect value for discriminant&?", Ent => Discr);
+ (N, "incorrect value for discriminant&?",
+ CE_Discriminant_Check_Failed, Ent => Discr);
return;
end if;
end if;
@@ -1070,7 +1078,9 @@ package body Checks is
end if;
Insert_Action (N,
- Make_Raise_Constraint_Error (Loc, Condition => Cond));
+ Make_Raise_Constraint_Error (Loc,
+ Condition => Cond,
+ Reason => CE_Discriminant_Check_Failed));
end Apply_Discriminant_Check;
@@ -1094,7 +1104,7 @@ package body Checks is
begin
if Expander_Active
- and then Software_Overflow_Checking
+ and not Backend_Divide_Checks_On_Target
then
Determine_Range (Right, ROK, Rlo, Rhi);
@@ -1109,7 +1119,8 @@ package body Checks is
Condition =>
Make_Op_Eq (Loc,
Left_Opnd => Duplicate_Subexpr (Right),
- Right_Opnd => Make_Integer_Literal (Loc, 0))));
+ Right_Opnd => Make_Integer_Literal (Loc, 0)),
+ Reason => CE_Divide_By_Zero));
end if;
end if;
@@ -1139,7 +1150,8 @@ package body Checks is
Make_Op_Eq (Loc,
Left_Opnd => Duplicate_Subexpr (Right),
Right_Opnd =>
- Make_Integer_Literal (Loc, -1)))));
+ Make_Integer_Literal (Loc, -1))),
+ Reason => CE_Overflow_Check_Failed));
end if;
end if;
end if;
@@ -1211,7 +1223,7 @@ package body Checks is
procedure Bad_Value is
begin
Apply_Compile_Time_Constraint_Error
- (Expr, "value not in range of}?",
+ (Expr, "value not in range of}?", CE_Range_Check_Failed,
Ent => Target_Typ,
Typ => Target_Typ);
end Bad_Value;
@@ -1439,7 +1451,7 @@ package body Checks is
(not Length_Checks_Suppressed (Target_Typ));
begin
- if not Expander_Active or else not Checks_On then
+ if not Expander_Active then
return;
end if;
@@ -1478,13 +1490,14 @@ package body Checks is
then
Cond := Condition (R_Cno);
- if not Has_Dynamic_Length_Check (Ck_Node) then
+ if not Has_Dynamic_Length_Check (Ck_Node)
+ and then Checks_On
+ then
Insert_Action (Ck_Node, R_Cno);
if not Do_Static then
Set_Has_Dynamic_Length_Check (Ck_Node);
end if;
-
end if;
-- Output a warning if the condition is known to be True
@@ -1494,6 +1507,7 @@ package body Checks is
then
Apply_Compile_Time_Constraint_Error
(Ck_Node, "wrong length for array of}?",
+ CE_Length_Check_Failed,
Ent => Target_Typ,
Typ => Target_Typ);
@@ -1576,6 +1590,7 @@ package body Checks is
if Nkind (Ck_Node) = N_Range then
Apply_Compile_Time_Constraint_Error
(Low_Bound (Ck_Node), "static range out of bounds of}?",
+ CE_Range_Check_Failed,
Ent => Target_Typ,
Typ => Target_Typ);
@@ -1584,6 +1599,7 @@ package body Checks is
else
Apply_Compile_Time_Constraint_Error
(Ck_Node, "static value out of range of}?",
+ CE_Range_Check_Failed,
Ent => Target_Typ,
Typ => Target_Typ);
end if;
@@ -1661,10 +1677,10 @@ package body Checks is
if Inside_A_Generic then
return;
- -- Skip these checks if errors detected, there are some nasty
+ -- Skip these checks if serious errors detected, there are some nasty
-- situations of incomplete trees that blow things up.
- elsif Errors_Detected > 0 then
+ elsif Serious_Errors_Detected > 0 then
return;
-- Scalar type conversions of the form Target_Type (Expr) require
@@ -1778,7 +1794,9 @@ package body Checks is
Set_Discriminant_Constraint (Expr_Type, Old_Constraints);
Insert_Action (N,
- Make_Raise_Constraint_Error (Loc, Condition => Cond));
+ Make_Raise_Constraint_Error (Loc,
+ Condition => Cond,
+ Reason => CE_Discriminant_Check_Failed));
end;
-- should there be other checks here for array types ???
@@ -2774,7 +2792,8 @@ package body Checks is
else
Check_Node :=
- Make_Raise_Constraint_Error (Internal_Static_Sloc);
+ Make_Raise_Constraint_Error (Internal_Static_Sloc,
+ Reason => CE_Range_Check_Failed);
Mark_Rewrite_Insertion (Check_Node);
if Do_Before then
@@ -2812,7 +2831,7 @@ package body Checks is
Exp := Expression (Exp);
end loop;
- -- insert the validity check. Note that we do this with validity
+ -- Insert the validity check. Note that we do this with validity
-- checks turned off, to avoid recursion, we do not want validity
-- checks on the validity checking code itself!
@@ -2826,7 +2845,8 @@ package body Checks is
Make_Attribute_Reference (Loc,
Prefix =>
Duplicate_Subexpr (Exp, Name_Req => True),
- Attribute_Name => Name_Valid))),
+ Attribute_Name => Name_Valid)),
+ Reason => CE_Invalid_Data),
Suppress => All_Checks);
Validity_Checks_On := True;
end Insert_Valid_Check;
@@ -2840,7 +2860,9 @@ package body Checks is
Typ : constant Entity_Id := Etype (R_Cno);
begin
- Rewrite (R_Cno, Make_Raise_Constraint_Error (Loc));
+ Rewrite (R_Cno,
+ Make_Raise_Constraint_Error (Loc,
+ Reason => CE_Range_Check_Failed));
Set_Analyzed (R_Cno);
Set_Etype (R_Cno, Typ);
Set_Raises_Constraint_Error (R_Cno);
@@ -3274,7 +3296,8 @@ package body Checks is
for Indx in 1 .. Ndims loop
if not (Nkind (L_Index) = N_Raise_Constraint_Error
- or else Nkind (R_Index) = N_Raise_Constraint_Error)
+ or else
+ Nkind (R_Index) = N_Raise_Constraint_Error)
then
Get_Index_Bounds (L_Index, L_Low, L_High);
Get_Index_Bounds (R_Index, R_Low, R_High);
@@ -3351,7 +3374,7 @@ package body Checks is
else
declare
- Ndims : Nat := Number_Dimensions (T_Typ);
+ Ndims : Nat := Number_Dimensions (T_Typ);
begin
-- Build the condition for the explicit dereference case
@@ -3372,11 +3395,13 @@ package body Checks is
Cond := Guard_Access (Cond, Loc, Ck_Node);
end if;
- Add_Check (Make_Raise_Constraint_Error (Loc, Condition => Cond));
+ Add_Check
+ (Make_Raise_Constraint_Error (Loc,
+ Condition => Cond,
+ Reason => CE_Length_Check_Failed));
end if;
return Ret_Result;
-
end Selected_Length_Checks;
---------------------------
@@ -4074,7 +4099,8 @@ package body Checks is
for Indx in 1 .. Ndims loop
if not (Nkind (L_Index) = N_Raise_Constraint_Error
- or else Nkind (R_Index) = N_Raise_Constraint_Error)
+ or else
+ Nkind (R_Index) = N_Raise_Constraint_Error)
then
Get_Index_Bounds (L_Index, L_Low, L_High);
Get_Index_Bounds (R_Index, R_Low, R_High);
@@ -4193,11 +4219,13 @@ package body Checks is
Cond := Guard_Access (Cond, Loc, Ck_Node);
end if;
- Add_Check (Make_Raise_Constraint_Error (Loc, Condition => Cond));
+ Add_Check
+ (Make_Raise_Constraint_Error (Loc,
+ Condition => Cond,
+ Reason => CE_Range_Check_Failed));
end if;
return Ret_Result;
-
end Selected_Range_Checks;
-------------------------------