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| author | Arnaud Charlet <charlet@gcc.gnu.org> | 2013-04-11 14:38:20 +0200 |
|---|---|---|
| committer | Arnaud Charlet <charlet@gcc.gnu.org> | 2013-04-11 14:38:20 +0200 |
| commit | 83851b239b0dd1af4fe3ba4c8d0ce7b74c82803d (patch) | |
| tree | 2006f8c14d7772427d0df93a4483c5b7fa2bd8db /gcc | |
| parent | e6425869abeaf52c2c23e924140baa6c28dc9118 (diff) | |
| download | gcc-83851b239b0dd1af4fe3ba4c8d0ce7b74c82803d.zip gcc-83851b239b0dd1af4fe3ba4c8d0ce7b74c82803d.tar.gz gcc-83851b239b0dd1af4fe3ba4c8d0ce7b74c82803d.tar.bz2 | |
[multiple changes]
2013-04-11 Thomas Quinot <quinot@adacore.com>
* sem_util.adb (Set_Entity_With_Style_Check): Fix logic of
check for implementation defined identifiers.
2013-04-11 Yannick Moy <moy@adacore.com>
* checks.adb (Apply_Type_Conversion_Checks): Add an explanation
of why range check and length are put on different nodes.
* exp_ch4.adb (Apply_Type_Conversion_Checks): Remove check marks
when doing their expansion.
From-SVN: r197776
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ada/ChangeLog | 12 | ||||
| -rw-r--r-- | gcc/ada/checks.adb | 4 | ||||
| -rw-r--r-- | gcc/ada/exp_ch4.adb | 13 | ||||
| -rw-r--r-- | gcc/ada/sem_util.adb | 5 |
4 files changed, 31 insertions, 3 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog index 2032950..cb50285 100644 --- a/gcc/ada/ChangeLog +++ b/gcc/ada/ChangeLog @@ -1,3 +1,15 @@ +2013-04-11 Thomas Quinot <quinot@adacore.com> + + * sem_util.adb (Set_Entity_With_Style_Check): Fix logic of + check for implementation defined identifiers. + +2013-04-11 Yannick Moy <moy@adacore.com> + + * checks.adb (Apply_Type_Conversion_Checks): Add an explanation + of why range check and length are put on different nodes. + * exp_ch4.adb (Apply_Type_Conversion_Checks): Remove check marks + when doing their expansion. + 2013-04-11 Ed Schonberg <schonberg@adacore.com> * sem_util.ads, sem_util.adb (Get_Incomplete_View_Of_Ancestor): diff --git a/gcc/ada/checks.adb b/gcc/ada/checks.adb index 05a0c6f..640f012 100644 --- a/gcc/ada/checks.adb +++ b/gcc/ada/checks.adb @@ -3248,7 +3248,9 @@ package body Checks is -- expansion, to take into accounts changes of representation. The -- checks become range checks on the base type or length checks on the -- subtype, depending on whether the target type is unconstrained or - -- constrained. + -- constrained. Note that the range check is put on the expression of a + -- type conversion, while the length check is put on the type conversion + -- itself. elsif Is_Array_Type (Target_Type) then if Is_Constrained (Target_Type) then diff --git a/gcc/ada/exp_ch4.adb b/gcc/ada/exp_ch4.adb index be011f8..480151d 100644 --- a/gcc/ada/exp_ch4.adb +++ b/gcc/ada/exp_ch4.adb @@ -10053,6 +10053,19 @@ package body Exp_Ch4 is -- Start of processing for Expand_N_Type_Conversion begin + -- First remove check marks put by the semantic analysis on the type + -- conversion between array types. The front end expands these checks + -- explicitly, so they should not be set in the tree passed to the back + -- end. + + if Is_Array_Type (Target_Type) then + if Is_Constrained (Target_Type) then + Set_Do_Length_Check (N, False); + else + Set_Do_Range_Check (Operand, False); + end if; + end if; + -- Nothing at all to do if conversion is to the identical type so remove -- the conversion completely, it is useless, except that it may carry -- an Assignment_OK attribute, which must be propagated to the operand. diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb index 071bdd5..2892c88 100644 --- a/gcc/ada/sem_util.adb +++ b/gcc/ada/sem_util.adb @@ -13419,9 +13419,10 @@ package body Sem_Util is -- the entities within it). if (Is_Implementation_Defined (Val) + or else + Is_Implementation_Defined (Scope (Val))) and then not (Ekind_In (Val, E_Package, E_Generic_Package) - and then Is_Library_Level_Entity (Val))) - or else Is_Implementation_Defined (Scope (Val)) + and then Is_Library_Level_Entity (Val)) then Check_Restriction (No_Implementation_Identifiers, N); end if; |