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2017-01-09 Hristian Kirtchev <kirtchev@adacore.com> * einfo.ads, einfo.adb: Remove uses of flags Has_Default_Init_Cond, Is_Default_Init_Cond_Procedure, and Has_Inherited_Default_Init_Cond. Add uses of flags Has_Own_DIC, Is_DIC_Procedure, and Has_Inherited_DIC. (Default_Init_Cond_Procedure): Removed. (DIC_Procedure): New routine. (Has_Default_Init_Cond): Removed. (Has_DIC): New routine. (Has_Inheritable_Invariants): The attribute applies to the base type. (Has_Inherited_Default_Init_Cond): Removed. (Has_Inherited_DIC): New routine. (Has_Inherited_Invariants): The attribute applies to the base type. (Has_Own_DIC): New routine. (Has_Own_Invariants): The attribute applies to the base type. (Is_Default_Init_Cond_Procedure): Removed. (Is_DIC_Procedure): New routine. (Set_Default_Init_Cond_Procedure): Removed. (Set_DIC_Procedure): New routine. (Set_Has_Default_Init_Cond): Removed. (Set_Has_Inheritable_Invariants): The attribute applies to the base type. (Set_Has_Inherited_Default_Init_Cond): Removed. (Set_Has_Inherited_DIC): New routine. (Set_Has_Inherited_Invariants): The attribute applies to the base type. (Set_Has_Own_DIC): New routine. (Set_Has_Own_Invariants): The attribute applies to the base type. (Set_Is_Default_Init_Cond_Procedure): Removed. (Set_Is_DIC_Procedure): New routine. (Write_Entity_Flags): Update the output of all flags related to default initial condition. * exp_ch3.adb (Expand_N_Object_Declaration): Update the generation of the call to the DIC procedure. (Freeze_Type): Generate the body of the DIC procedure. * exp_ch7.adb (Build_Invariant_Procedure_Body): Replace all occurrences of Create_Append with Append_New_To. Do not generate an invariant procedure for a class-wide type. The generated body acts as a freeze action of the working type. (Build_Invariant_Procedure_Declaration): Do not generate an invariant procedure for a class-wide type. (Create_Append): Removed. * exp_util.adb: Add with and use clauses for Sem_Ch3, sem_ch6, sem_Ch12, Sem_Disp, and GNAT.HTable. Move the handling of class-wide pre/postcondition description and data structures from Sem_Prag. (Build_Class_Wide_Expression): Moved from Sem_Prag. (Build_DIC_Call): New routine. (Build_DIC_Procedure_Body): New routine. (Build_DIC_Procedure_Declaration): New routine. (Entity_Hash): Moved from Sem_Prag. (Find_DIC_Type): New routine. (Update_Primitives_Mapping): Reimplemented. (Update_Primitives_Mapping_Of_Types): New routine. * exp_util.ads (Build_Class_Wide_Expression): Moved from Sem_Prag. (Build_DIC_Call): New routine. (Build_DIC_Procedure_Body): New routine. (Build_DIC_Procedure_Declaration): New routine. (Update_Primitives_Mapping): Moved from Sem_Prag. (Update_Primitives_Mapping_Of_Types): New routine. * nlists.adb (Append_New): New routine. (Append_New_To): New routine. * nlists.ads (Append_New): New routine. (Append_New_To): New routine. * sem_ch3.adb (Analyze_Declarations): Do not generate the bodies of DIC procedures here. This is now done at the end of the visible declarations, private declarations, and at the freeze point of a type. (Analyze_Private_Extension_Declaration): A private extension inherits the DIC pragma of a parent type. (Analyze_Subtype_Declaration): No need to propagate invariant attributes to a subtype as those apply to the base type. (Build_Derived_Record_Type): No need to inherit invariants here as this is now done in Build_Derived_Type. (Build_Derived_Type): Inherit both the DIC pragma and invariants from a parent type. (Process_Full_View): Update the propagation of DIC attributes. (Propagate_Default_Init_Cond_Attributes): Removed. * sem_ch7.adb Add with and use clauses for Exp_Util. (Analyze_Package_Specification): Create the body of the DIC procedure at the end of the visible and private declarations. (Preserve_Full_Attributes): Propagate DIC attributes. * sem_ch9.adb (Analyze_Protected_Type_Declaration): Propagate DIC attributes. (Analyze_Task_Type_Declaration): Propagate DIC attributes. * sem_elab.adb (Check_A_Call): Update the call to Is_Nontrivial_Default_Init_Cond_Procedure. * sem_prag.adb Remove the with and use clauses for GNAT.HTable. Move the handling of class- wide pre/postcondition description and data structures to Exp_Util. (Analyze_Pragma): Create the declaration of the DIC procedure. There is no need to propagate invariant-related attributes at this point as this is done in Build_Invariant_Procedure_Declaration. (Build_Class_Wide_Expression): Moved to Exp_Util. (Entity_Hash): Moved to Exp_Util. (Update_Primitives_Mapping): Moved to Exp_Util. * sem_prag.ads (Build_Class_Wide_Expression): Moved to Exp_Util. (Update_Primitives_Mapping): Moved to Exp_Util. * sem_util.adb: Remove with and use clauses for Ghost and Sem_Ch13. (Build_Default_Init_Cond_Call): Removed. (Build_Default_Init_Cond_Procedure_Bodies): Removed. (Build_Default_Init_Cond_Procedure_Declaration): Removed. (Get_Views): Reimplemented. (Has_Full_Default_Initialization): Reimplement the section on DIC. (Inherit_Default_Init_Cond_Procedure): Removed. (Is_Nontrivial_Default_Init_Cond_Procedure): Removed. (Is_Nontrivial_DIC_Procedure): New routine. (Is_Verifiable_DIC_Pragma): New routine. (Propagate_DIC_Attributes): New routine. * sem_util.ads (Build_Default_Init_Cond_Call): Removed. (Build_Default_Init_Cond_Procedure_Bodies): Removed. (Build_Default_Init_Cond_Procedure_Declaration): Removed. (Inherit_Default_Init_Cond_Procedure): Removed. (Is_Nontrivial_Default_Init_Cond_Procedure): Removed. (Is_Nontrivial_DIC_Procedure): New routine. (Is_Verifiable_DIC_Pragma): New routine. (Propagate_DIC_Attributes): New routine. * sem_warn.adb (Is_OK_Fully_Initialized): Reimplement the section on DIC. * sinfo.ads, sinfo.adb: Add new attribute Expression_Copy along with usage in nodes. (Expression_Copy): New routine along with pragma Inline. (Set_Expression_Copy): New routine along with pragma Inline. From-SVN: r244224
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