2013-04-12 Hristian Kirtchev <kirtchev@adacore.com>
* aspects.adb: Alphabetize subprogram bodies in this unit. Add
an entry for Aspect_Ghost in the table of canonical aspects.
(Has_Aspect): New routine.
* aspects.ads: Add Aspect_Ghost to all relevant
tables. Alphabetize subprograms in this unit.
(Has_Aspect): New routine.
* einfo.adb: Add with and use clauses for Aspects.
(Is_Ghost_Function): New routine.
* einfo.ads: Add new synthesized attribute Is_Ghost_Function and
update the structure of the related nodes.
(Is_Ghost_Function): New routine.
* exp_ch4.adb (Find_Enclosing_Context): Use routine
Is_Body_Or_Package_Declaration to terminate a search.
(Is_Body_Or_Unit): Removed.
* exp_util.adb (Within_Case_Or_If_Expression): Use routine
Is_Body_Or_Package_Declaration to terminate a search.
* par-prag.adb: Add pragma Ghost to the list of pragmas that do
not need special processing by the parser.
* sem_attr.adb (Analyze_Access_Attribute): Detect an
illegal use of 'Access where the prefix is a ghost function.
(Analyze_Attribute): Use routine Is_Body_Or_Package_Declaration
to terminate a search. (Check_References_In_Prefix): Use routine
Is_Body_Or_Package_Declaration to terminate a search.
* sem_ch4.adb (Analyze_Call): Mark a function when it appears
inside an assertion expression. Verify the legality of a call
to a ghost function.
(Check_Ghost_Function_Call): New routine.
* sem_ch6.adb (Analyze_Function_Call): Code reformatting. Move
the setting of attribute In_Assertion_Expression to Analyze_Call.
(Check_Overriding_Indicator): Detect an illegal attempt to
override a function with a ghost function.
* sem_ch12.adb (Preanalyze_Actuals): Detect an illegal use of
a ghost function as a generic actual.
* sem_elab.adb (Check_Internal_Call_Continue): Update the call
to In_Assertion.
* sem_prag.adb: Add an entry for pragma Ghost in the table
of significant arguments.
(Analyze_Pragma): Do not analyze
an "others" case guard. Add processing for pragma Ghost. Use
Preanalyze_Assert_Expression when analyzing the expression of
pragmas Loop_Invariant and Loop_Variant.
* sem_util.adb (Get_Subprogram_Entity): Reimplemented.
(Is_Body_Or_Package_Declaration): New routine.
* sem_util.ads: Alphabetize subprotrams in this unit.
(Is_Body_Or_Package_Declaration): New routine.
* sinfo.adb (In_Assertion): Rename to In_Assertion_Expression.
(Set_In_Assertion): Rename to Set_In_Assertion_Expression.
* sinfo.ads: Rename flag In_Assertion to In_Assertion_Expression
to better reflect its use. Update all places that mention the flag.
(In_Assertion): Rename to In_Assertion_Expression. Update
related pragma Inline. (Set_In_Assertion): Rename to
Set_In_Assertion_Expression. Update related pragma Inline.
* snames.ads-tmpl: Add new predefined name Ghost. Add new pragma
id Pragma_Ghost.
From-SVN: r197909
