2014-01-21 Hristian Kirtchev <kirtchev@adacore.com>
* aspects.adb Add entries for Async_Readers, Async_Writers,
Effective_Reads and Effective_Writes in table Canonical_Aspect.
* aspects.ads Add entries for Async_Readers, Async_Writers,
Effective_Reads and Effective_Writes in tables Aspect_Id,
Aspect_Names, Aspect_Delay and Implementation_Defined_Aspect.
* atree.adb (Ekind_In): New version with 8 parameters.
(Node34): New routine.
(Set_Node34): New routine.
* atree.ads (Ekind_In): New version with 8 parameters.
(Node34): New routine.
(Set_Node34): New routine.
* einfo.adb Contract is now Node34.
(Contract): Update the assertion and node usage.
(Get_Pragma): Include pragmas Async_Readers, Async_Writers,
Effective_Reads and Effective_Writes.
(Set_Contract): Update the assertion and node usage.
(Write_Field24_Name): Remove the output for a contract.
(Write_Field34_Name): Add output for a contract.
* einfo.ads Contract is now Node34. Update the comment on
attribute usage and related node structures.
(Get_Pragma): Update the comment on usage.
* par-prag.adb (Prag): Pragmas Async_Readers, Async_Writers,
Effective_Reads and Effective_Writes do not require special
processing by the parser.
* sem_ch3.adb (Analyze_Variable_Contract): New routine.
(Analyze_Declarations): Analyze the contract of a variable at
the end of the declarative region.
(Analyze_Object_Declaration): Create a contract for a variable.
* sem_ch6.adb (Analyze_Subprogram_Contract): Update the retrieval
of classification pragmas.
(Process_Formals): Detect an illegal
use of a volatile object as a formal in a function.
* sem_ch12.adb (Instantiate_Object): Detect an illegal use of
a volatile object as an actual in generic instantiation.
* sem_prag.adb Add entries for Async_Readers, Async_Writers,
Effective_Reads and Effective_Writes in table Sig_Flags.
(Analyze_External_State_In_Decl_Part): New routine.
(Analyze_Global_Item): Detect an illegal use of a volatile object
as a global item of a function.
(Analyze_Pragma): Reimplement
pragma Abstract_State. Add support for pragmas Async_Readers,
Async_Writers, Effective_Reads and Effective_Writes.
(Check_External_Properties): New routine.
* sem_prag.ads (Analyze_External_State_In_Decl_Part): New routine.
(Check_External_Properties): New routine.
* sem_res.adb (Resolve_Actuals): Detect an illegal use of a
volatile object as an actual in a call.
(Resolve_Entity_Name):
Add local variables Par, Prev and Usage_OK. Detect illegal
contexts of volatile objects.
* sem_util.adb (Add_Contract_Item): Add support for
pragmas associated with the contract of a variable.
(Async_Readers_Enabled): New routine.
(Async_Writers_Enabled): New routine.
(Effective_Reads_Enabled): New routine.
(Effective_Writes_Enabled): New routine.
(Has_Enabled_Property):
New routine.
(Is_Unchecked_Conversion_Instance): New routine.
(Is_Volatile_Object): Add support for entities that may denote
a volatile object.
* sem_util.ads (Add_Contract_Item): Update the
comment on usage.
(Async_Readers_Enabled): New routine.
(Async_Writers_Enabled): New routine.
(Effective_Reads_Enabled): New routine.
(Effective_Writes_Enabled): New routine.
(Is_Unchecked_Conversion_Instance): New routine.
* sinfo.ads Update the comment on the structure of N_Contract.
* snames.ads-tmpl Add predefined names for Async_Readers,
Async_Writers, Effective_Reads and Effective_Writes. Add
pragma ids for Async_Readers, Async_Writers, Effective_Reads
and Effective_Writes.
2014-01-21 Robert Dewar <dewar@adacore.com>
* exp_ch4.adb (Eval_Op_Expon): Use CRT_Safe_Compile_Time_Known_Value
* sem_eval.adb (Compile_Time_Known_Value): Remove special
handling of CRT mode (CRT_Safe_Compile_Time_Known_Value): New
function (Eval_Op_Expon): Add CRT_Safe in call to Test_Foldable
(Test_Foldable): Add CRT_Safe parameter
* sem_eval.ads (Compile_Time_Known_Value): Remove special
handling of CRT mode.
(CRT_Safe_Compile_Time_Known_Value): New function.
From-SVN: r206886
