[multiple changes]
2010-06-23 Javier Miranda <miranda@adacore.com> * atree.ads (Set_Reporting_Proc): New subprogram. * atree.adb: Remove dependency on packages Opt and SCIL_LL. (Allocate_Initialize_Node, Replace, Rewrite): Replace direct calls to routines of package Scil_ll by indirect call to the registered subprogram. (Set_Reporting_Proc): New subprogram. Used to register a subprogram that is invoked when a node is allocated, replaced or rewritten. * scil_ll.adb (Copy_SCIL_Node): New routine that takes care of copying the SCIL node. Used as argument for Set_Reporting_Proc. (Initialize): Register Copy_SCIL_Node as the reporting routine that is invoked by atree. 2010-06-23 Thomas Quinot <quinot@adacore.com> * sem_ch3.ads: Minor reformatting. 2010-06-23 Ed Schonberg <schonberg@adacore.com> * sem_ch12.adb (Analyze_Package_Instantiation): In CodePeer mode, always analyze the generic body and instance, because it may be needed downstream. (Mark_Context): Prepend the with clauses for needed generic units, so they appear in a better order for CodePeer. * sem_util.adb, sem_util.ads: Prototype code for AI05-0144. 2010-06-23 Emmanuel Briot <briot@adacore.com> * prj.ads, prj-nmsc.adb (Error_Or_Warning): New subprogram. From-SVN: r161252
This commit is contained in:
Arnaud Charlet
parent
5d791dfbcd
commit
e771c08509
@ -1,3 +1,34 @@
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2010-06-23 Javier Miranda <miranda@adacore.com>
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* atree.ads (Set_Reporting_Proc): New subprogram.
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* atree.adb: Remove dependency on packages Opt and SCIL_LL.
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(Allocate_Initialize_Node, Replace, Rewrite): Replace direct calls
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to routines of package Scil_ll by indirect call to the registered
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subprogram.
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(Set_Reporting_Proc): New subprogram. Used to register a subprogram
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that is invoked when a node is allocated, replaced or rewritten.
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* scil_ll.adb (Copy_SCIL_Node): New routine that takes care of copying
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the SCIL node. Used as argument for Set_Reporting_Proc.
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(Initialize): Register Copy_SCIL_Node as the reporting routine that
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is invoked by atree.
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2010-06-23 Thomas Quinot <quinot@adacore.com>
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* sem_ch3.ads: Minor reformatting.
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2010-06-23 Ed Schonberg <schonberg@adacore.com>
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* sem_ch12.adb (Analyze_Package_Instantiation): In CodePeer mode,
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always analyze the generic body and instance, because it may be needed
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downstream.
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(Mark_Context): Prepend the with clauses for needed generic units, so
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they appear in a better order for CodePeer.
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* sem_util.adb, sem_util.ads: Prototype code for AI05-0144.
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2010-06-23 Emmanuel Briot <briot@adacore.com>
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* prj.ads, prj-nmsc.adb (Error_Or_Warning): New subprogram.
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2010-06-23 Robert Dewar <dewar@adacore.com>
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* g-pehage.adb, exp_ch13.adb: Minor reformatting.
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@ -38,14 +38,15 @@ pragma Style_Checks (All_Checks);
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with Debug; use Debug;
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with Nlists; use Nlists;
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with Opt; use Opt;
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with Output; use Output;
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with Sinput; use Sinput;
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with SCIL_LL; use SCIL_LL;
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with Tree_IO; use Tree_IO;
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package body Atree is
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Reporting_Proc : Report_Proc := null;
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-- Record argument to last call to Set_Reporting_Proc
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---------------
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-- Debugging --
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---------------
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@ -534,10 +535,10 @@ package body Atree is
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Orig_Nodes.Set_Last (Nodes.Last);
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Allocate_List_Tables (Nodes.Last);
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-- Update the SCIL_Node field (if available)
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-- Invoke the reporting procedure (if available)
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if Generate_SCIL then
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Set_SCIL_Node (New_Id, Get_SCIL_Node (Src));
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if Reporting_Proc /= null then
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Reporting_Proc.all (Target => New_Id, Source => Src);
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end if;
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return New_Id;
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@ -925,6 +926,16 @@ package body Atree is
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return Ekind_In (Ekind (E), V1, V2, V3, V4, V5, V6);
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end Ekind_In;
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------------------------
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-- Set_Reporting_Proc --
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------------------------
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procedure Set_Reporting_Proc (P : Report_Proc) is
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begin
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pragma Assert (Reporting_Proc = null);
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Reporting_Proc := P;
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end Set_Reporting_Proc;
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------------------
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-- Error_Posted --
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------------------
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@ -1580,10 +1591,10 @@ package body Atree is
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Orig_Nodes.Table (Old_Node) := Old_Node;
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-- Update the SCIL_Node field (if available)
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-- Invoke the reporting procedure (if available)
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if Generate_SCIL then
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Set_SCIL_Node (Old_Node, Get_SCIL_Node (New_Node));
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if Reporting_Proc /= null then
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Reporting_Proc.all (Target => Old_Node, Source => New_Node);
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end if;
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end Replace;
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@ -1644,10 +1655,10 @@ package body Atree is
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Fix_Parents (Ref_Node => New_Node, Fix_Node => Old_Node);
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-- Update the SCIL_Node field (if available)
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-- Invoke the reporting procedure (if available)
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if Generate_SCIL then
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Set_SCIL_Node (Old_Node, Get_SCIL_Node (New_Node));
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if Reporting_Proc /= null then
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Reporting_Proc.all (Target => Old_Node, Source => New_Node);
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end if;
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end Rewrite;
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@ -6,7 +6,7 @@
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
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-- Copyright (C) 1992-2010, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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@ -461,6 +461,12 @@ package Atree is
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-- function is used only by Sinfo.CN to change nodes into their
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-- corresponding entities.
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type Report_Proc is access procedure (Target : Node_Id; Source : Node_Id);
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procedure Set_Reporting_Proc (P : Report_Proc);
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-- Register a procedure that is invoked when a node is allocated, replaced
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-- or rewritten.
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type Traverse_Result is (Abandon, OK, OK_Orig, Skip);
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-- This is the type of the result returned by the Process function passed
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-- to Traverse_Func and Traverse_Proc. See below for details.
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@ -467,6 +467,32 @@ package body Prj.Nmsc is
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-- Debug print a value for a specific property. Does nothing when not in
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-- debug mode
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procedure Error_Or_Warning
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(Flags : Processing_Flags;
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Kind : Error_Warning;
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Msg : String;
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Location : Source_Ptr;
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Project : Project_Id);
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-- Emits either an error or warning message (or nothing), depending on Kind
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----------------------
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-- Error_Or_Warning --
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----------------------
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procedure Error_Or_Warning
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(Flags : Processing_Flags;
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Kind : Error_Warning;
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Msg : String;
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Location : Source_Ptr;
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Project : Project_Id) is
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begin
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case Kind is
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when Error => Error_Msg (Flags, Msg, Location, Project);
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when Warning => Error_Msg (Flags, "?" & Msg, Location, Project);
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when Silent => null;
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end case;
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end Error_Or_Warning;
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------------------------------
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-- Replace_Into_Name_Buffer --
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------------------------------
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@ -5170,8 +5196,8 @@ package body Prj.Nmsc is
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begin
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if Root_Dir'Length = 0 then
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Err_Vars.Error_Msg_File_1 := Base_Dir;
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Error_Msg
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(Data.Flags,
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Error_Or_Warning
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(Data.Flags, Data.Flags.Missing_Source_Files,
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"{ is not a valid directory.", Location, Project);
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else
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@ -5210,8 +5236,8 @@ package body Prj.Nmsc is
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if not Dir_Exists then
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Err_Vars.Error_Msg_File_1 := From;
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Error_Msg
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(Data.Flags,
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Error_Or_Warning
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(Data.Flags, Data.Flags.Missing_Source_Files,
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"{ is not a valid directory", Location, Project);
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else
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@ -5291,21 +5317,9 @@ package body Prj.Nmsc is
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Err_Vars.Error_Msg_File_1 :=
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File_Name_Type (Object_Dir.Value);
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case Data.Flags.Require_Obj_Dirs is
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when Error =>
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Error_Msg
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(Data.Flags,
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"object directory { not found",
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Project.Location, Project);
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when Warning =>
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Error_Msg
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(Data.Flags,
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"?object directory { not found",
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Project.Location, Project);
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when Silent =>
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null;
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end case;
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Error_Or_Warning
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(Data.Flags, Data.Flags.Require_Obj_Dirs,
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"object directory { not found", Project.Location, Project);
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end if;
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end if;
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@ -6493,8 +6507,8 @@ package body Prj.Nmsc is
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if not Found then
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Error_Msg_Name_1 := Name_Id (Source.Display_File);
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Error_Msg_Name_2 := Name_Id (Source.Unit.Name);
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Error_Msg
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(Data.Flags,
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Error_Or_Warning
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(Data.Flags, Data.Flags.Missing_Source_Files,
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"source file %% for unit %% not found",
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No_Location, Project.Project);
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@ -6536,41 +6550,18 @@ package body Prj.Nmsc is
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while NL /= No_Name_Location loop
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if not NL.Found then
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Err_Vars.Error_Msg_File_1 := NL.Name;
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case Data.Flags.Missing_Source_Files is
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when Error =>
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if First_Error then
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Error_Msg
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(Data.Flags,
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"source file { not found",
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NL.Location, Project.Project);
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First_Error := False;
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else
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Error_Msg
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(Data.Flags,
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"\source file { not found",
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NL.Location, Project.Project);
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end if;
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when Warning =>
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if First_Error then
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Error_Msg
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(Data.Flags,
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"?source file { not found",
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NL.Location, Project.Project);
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First_Error := False;
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else
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Error_Msg
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(Data.Flags,
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"?\source file { not found",
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NL.Location, Project.Project);
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end if;
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when Silent =>
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null;
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end case;
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if First_Error then
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Error_Or_Warning
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(Data.Flags, Data.Flags.Missing_Source_Files,
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"source file { not found",
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NL.Location, Project.Project);
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First_Error := False;
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else
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Error_Or_Warning
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(Data.Flags, Data.Flags.Missing_Source_Files,
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"\source file { not found",
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NL.Location, Project.Project);
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end if;
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end if;
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NL := Source_Names_Htable.Get_Next (Project.Source_Names);
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@ -1496,7 +1496,8 @@ package Prj is
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--
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-- Missing_Source_Files indicates whether it is an error or a warning that
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-- a source file mentioned in the Source_Files attributes is not actually
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-- found in the source directories
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-- found in the source directories. This also impacts errors for missing
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-- source directories.
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Gprbuild_Flags : constant Processing_Flags;
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Gprclean_Flags : constant Processing_Flags;
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@ -37,6 +37,10 @@ with Table;
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package body SCIL_LL is
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procedure Copy_SCIL_Node (Target : Node_Id; Source : Node_Id);
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-- Copy the SCIL field from Source to Target (it is used as the argument
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-- for a call to Set_Reporting_Proc in package atree).
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function SCIL_Nodes_Table_Size return Pos;
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-- Used to initialize the table of SCIL nodes because we do not want
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-- to consume memory for this table if it is not required.
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@ -64,6 +68,15 @@ package body SCIL_LL is
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-- This table records the value of attribute SCIL_Node of all the
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-- tree nodes.
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--------------------
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-- Copy_SCIL_Node --
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--------------------
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procedure Copy_SCIL_Node (Target : Node_Id; Source : Node_Id) is
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begin
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Set_SCIL_Node (Target, Get_SCIL_Node (Source));
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end Copy_SCIL_Node;
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----------------
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-- Initialize --
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----------------
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@ -71,6 +84,7 @@ package body SCIL_LL is
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procedure Initialize is
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begin
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SCIL_Nodes.Init;
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Set_Reporting_Proc (Copy_SCIL_Node'Access);
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end Initialize;
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-------------------
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@ -3237,7 +3237,8 @@ package body Sem_Ch12 is
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or else Enclosing_Body_Present
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or else Present (Corresponding_Body (Gen_Decl)))
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and then (Is_In_Main_Unit (N)
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or else Might_Inline_Subp)
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or else Might_Inline_Subp
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or else CodePeer_Mode)
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and then not Is_Actual_Pack
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and then not Inline_Now
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and then (Operating_Mode = Generate_Code
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@ -10421,7 +10422,7 @@ package body Sem_Ch12 is
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Set_Implicit_With (Withn);
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Set_Library_Unit (Withn, Cunit (CU));
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Set_Withed_Body (Withn, Cunit (CU));
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Append (Withn, Context_Items (Cunit (Inst_CU)));
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Prepend (Withn, Context_Items (Cunit (Inst_CU)));
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end Add_Implicit_With;
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begin
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@ -10433,9 +10434,15 @@ package body Sem_Ch12 is
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return;
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end if;
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-- If G is itself declared within an instance, indicate that the generic
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-- body of that instance is also needed by C. This must be done
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-- recursively.
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-- Nothing to do if G is local.
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if Inst_CU = Gen_CU then
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return;
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end if;
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-- If G is itself declared within an instance, indicate that the
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-- generic body of that instance is also needed by C. This must be
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-- done recursively.
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Scop := Scope (Defining_Entity (Gen_Decl));
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@ -6,7 +6,7 @@
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
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-- Copyright (C) 1992-2010, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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@ -84,13 +84,11 @@ package Sem_Ch3 is
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procedure Access_Type_Declaration (T : Entity_Id; Def : Node_Id);
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-- Process an access type declaration
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procedure Build_Itype_Reference
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(Ityp : Entity_Id;
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Nod : Node_Id);
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procedure Build_Itype_Reference (Ityp : Entity_Id; Nod : Node_Id);
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-- Create a reference to an internal type, for use by Gigi. The back-end
|
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-- elaborates itypes on demand, i.e. when their first use is seen. This
|
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-- can lead to scope anomalies if the first use is within a scope that is
|
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-- nested within the scope that contains the point of definition of the
|
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-- elaborates itypes on demand, i.e. when their first use is seen. This can
|
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-- lead to scope anomalies if the first use is within a scope that is
|
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-- nested within the scope that contains the point of definition of the
|
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-- itype. The Itype_Reference node forces the elaboration of the itype
|
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-- in the proper scope. The node is inserted after Nod, which is the
|
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-- enclosing declaration that generated Ityp.
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@ -56,6 +56,7 @@ with Sinput; use Sinput;
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with Stand; use Stand;
|
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with Style;
|
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with Stringt; use Stringt;
|
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with Table;
|
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with Targparm; use Targparm;
|
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with Tbuild; use Tbuild;
|
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with Ttypes; use Ttypes;
|
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@ -93,6 +94,88 @@ package body Sem_Util is
|
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subtype NCT_Header_Num is Int range 0 .. 511;
|
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-- Defines range of headers in hash tables (512 headers)
|
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|
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-----------------------------------
|
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-- Order dependence : AI05-0144 --
|
||||
-----------------------------------
|
||||
|
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-- Each actual in a call is entered into the table below. A flag
|
||||
-- indicates whether the corresponding formal is out or in out.
|
||||
-- Each top-level call (procedure call, condition, assignment)
|
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-- examines all the actuals for a possible order dependence.
|
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-- The table is reset after each such check.
|
||||
|
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type Actual_Name is record
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Act : Node_Id;
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Is_Writable : Boolean;
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end record;
|
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|
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package Actuals_In_Call is new Table.Table (
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Table_Component_Type => Actual_Name,
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Table_Index_Type => Int,
|
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Table_Low_Bound => 0,
|
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Table_Initial => 10,
|
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Table_Increment => 10,
|
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Table_Name => "Actuals");
|
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procedure Save_Actual (N : Node_Id; Writable : Boolean := False) is
|
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begin
|
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if Is_Entity_Name (N)
|
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or else Nkind_In (N,
|
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N_Indexed_Component, N_Selected_Component, N_Slice)
|
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or else (Nkind (N) = N_Attribute_Reference
|
||||
and then Attribute_Name (N) = Name_Access)
|
||||
|
||||
then
|
||||
-- We are only interested in in out parameters of inner calls.
|
||||
|
||||
if not Writable
|
||||
or else Nkind (Parent (N)) = N_Function_Call
|
||||
or else Nkind (Parent (N)) in N_Op
|
||||
then
|
||||
Actuals_In_Call.Increment_Last;
|
||||
Actuals_In_Call.Table (Actuals_In_Call.Last) := (N, Writable);
|
||||
end if;
|
||||
end if;
|
||||
end Save_Actual;
|
||||
|
||||
procedure Check_Order_Dependence is
|
||||
Act1, Act2 : Node_Id;
|
||||
begin
|
||||
for J in 0 .. Actuals_In_Call.Last loop
|
||||
|
||||
if Actuals_In_Call.Table (J).Is_Writable then
|
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Act1 := Actuals_In_Call.Table (J).Act;
|
||||
|
||||
if Nkind (Act1) = N_Attribute_Reference then
|
||||
Act1 := Prefix (Act1);
|
||||
end if;
|
||||
|
||||
for K in 0 .. Actuals_In_Call.Last loop
|
||||
if K /= J then
|
||||
Act2 := Actuals_In_Call.Table (K).Act;
|
||||
if Nkind (Act2) = N_Attribute_Reference then
|
||||
Act2 := Prefix (Act2);
|
||||
end if;
|
||||
|
||||
if Actuals_In_Call.Table (K).Is_Writable
|
||||
and then K < J
|
||||
then
|
||||
-- already checked
|
||||
null;
|
||||
|
||||
elsif Denotes_Same_Object (Act1, Act2)
|
||||
and then False
|
||||
then
|
||||
Error_Msg_N ("?,mighty suspicious!!!", Act1);
|
||||
end if;
|
||||
end if;
|
||||
end loop;
|
||||
end if;
|
||||
end loop;
|
||||
|
||||
Actuals_In_Call.Set_Last (0);
|
||||
end Check_Order_Dependence;
|
||||
|
||||
-----------------------
|
||||
-- Local Subprograms --
|
||||
-----------------------
|
||||
@ -2251,7 +2334,9 @@ package body Sem_Util is
|
||||
|
||||
begin
|
||||
if Is_Entity_Name (A1) then
|
||||
if Nkind_In (A2, N_Selected_Component, N_Indexed_Component) then
|
||||
if Nkind_In (A2, N_Selected_Component, N_Indexed_Component)
|
||||
and then not Is_Access_Type (Etype (A1))
|
||||
then
|
||||
return Denotes_Same_Object (A1, Prefix (A2))
|
||||
or else Denotes_Same_Prefix (A1, Prefix (A2));
|
||||
else
|
||||
@ -7862,6 +7947,7 @@ package body Sem_Util is
|
||||
if Nkind (N) = N_Allocator then
|
||||
if Is_Dynamic then
|
||||
Set_Is_Dynamic_Coextension (N);
|
||||
|
||||
else
|
||||
Set_Is_Static_Coextension (N);
|
||||
end if;
|
||||
|
||||
@ -141,6 +141,11 @@ package Sem_Util is
|
||||
-- is accessed inside a nested procedure, and set Has_Up_Level_Access flag
|
||||
-- accordingly. This is currently only enabled for VM_Target /= No_VM.
|
||||
|
||||
procedure Check_Order_Dependence;
|
||||
-- Examine the actuals in a top-level call to determine whether aliasing
|
||||
-- between two actuals, one of which is writable, can make the call
|
||||
-- order-dependent.
|
||||
|
||||
procedure Check_Potentially_Blocking_Operation (N : Node_Id);
|
||||
-- N is one of the statement forms that is a potentially blocking
|
||||
-- operation. If it appears within a protected action, emit warning.
|
||||
@ -1168,6 +1173,12 @@ package Sem_Util is
|
||||
-- are only partially ordered, so Scope_Within_Or_Same (A,B) and
|
||||
-- Scope_Within_Or_Same (B,A) can both be False for a given pair A,B.
|
||||
|
||||
procedure Save_Actual (N : Node_Id; Writable : Boolean := False);
|
||||
-- Enter an actual in a call in a table global, for subsequent check
|
||||
-- of possible order dependence in the presence of in out parameters
|
||||
-- for functions in Ada 2012 (or access parameters in older versions
|
||||
-- of the language).
|
||||
|
||||
function Scope_Within (Scope1, Scope2 : Entity_Id) return Boolean;
|
||||
-- Like Scope_Within_Or_Same, except that this function returns
|
||||
-- False in the case where Scope1 and Scope2 are the same scope.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user