-- --
-- S p e c --
-- --
--- Copyright (C) 1992-2007, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
+-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
--- Boston, MA 02110-1301, USA. --
+-- Public License distributed with GNAT; see file COPYING3. If not, go to --
+-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- Id Types --
--------------
- -- The various entries are stored in tables with distinct subscript
- -- ranges. The following type definitions indicate the ranges used
- -- for the subscripts (Id values) for the various tables.
+ -- The various entries are stored in tables with distinct subscript ranges.
+ -- The following type definitions show the ranges used for the subscripts
+ -- (Id values) for the various tables.
type ALI_Id is range 0 .. 999_999;
-- Id values used for ALIs table entries
-- V lines are ignored as a result of the Ignore_Lines parameter.
Ver_Len : Natural;
- -- Length of characters stored in Ver. Not set if V lines are
- -- ignored as a result of the Ignore_Lines parameter.
+ -- Length of characters stored in Ver. Not set if V lines are ignored as
+ -- a result of the Ignore_Lines parameter.
SAL_Interface : Boolean;
-- Set True when this is an interface to a standalone library
-- Id of last Sdep table entry for this file
Main_Program : Main_Program_Type;
- -- Indicator of whether first unit can be used as main program.
- -- Not set if 'M' appears in Ignore_Lines.
+ -- Indicator of whether first unit can be used as main program. Not set
+ -- if 'M' appears in Ignore_Lines.
Main_Priority : Int;
- -- Indicates priority value if Main_Program field indicates that
- -- this can be a main program. A value of -1 (No_Main_Priority)
- -- indicates that no parameter was found, or no M line was present.
- -- Not set if 'M' appears in Ignore_Lines.
+ -- Indicates priority value if Main_Program field indicates that this
+ -- can be a main program. A value of -1 (No_Main_Priority) indicates
+ -- that no parameter was found, or no M line was present. Not set if
+ -- 'M' appears in Ignore_Lines.
Time_Slice_Value : Int;
-- Indicates value of time slice parameter from T=xxx on main program
- -- line. A value of -1 indicates that no T=xxx parameter was found,
- -- or no M line was present.
- -- Not set if 'M' appears in Ignore_Lines.
+ -- line. A value of -1 indicates that no T=xxx parameter was found, or
+ -- no M line was present. Not set if 'M' appears in Ignore_Lines.
WC_Encoding : Character;
-- Wide character encoding if main procedure. Otherwise not relevant.
-- Not set if 'M' appears in Ignore_Lines.
Locking_Policy : Character;
- -- Indicates locking policy for units in this file. Space means
- -- tasking was not used, or that no Locking_Policy pragma was
- -- present or that this is a language defined unit. Otherwise set
- -- to first character (upper case) of policy name.
- -- Not set if 'P' appears in Ignore_Lines.
+ -- Indicates locking policy for units in this file. Space means tasking
+ -- was not used, or that no Locking_Policy pragma was present or that
+ -- this is a language defined unit. Otherwise set to first character
+ -- (upper case) of policy name. Not set if 'P' appears in Ignore_Lines.
Queuing_Policy : Character;
- -- Indicates queuing policy for units in this file. Space means
- -- tasking was not used, or that no Queuing_Policy pragma was
- -- present or that this is a language defined unit. Otherwise set
- -- to first character (upper case) of policy name.
- -- Not set if 'P' appears in Ignore_Lines.
+ -- Indicates queuing policy for units in this file. Space means tasking
+ -- was not used, or that no Queuing_Policy pragma was present or that
+ -- this is a language defined unit. Otherwise set to first character
+ -- (upper case) of policy name. Not set if 'P' appears in Ignore_Lines.
Task_Dispatching_Policy : Character;
- -- Indicates task dispatching policy for units in this file. Space
- -- means tasking was not used, or that no Task_Dispatching_Policy
- -- pragma was present or that this is a language defined unit.
- -- Otherwise set to first character (upper case) of policy name.
- -- Not set if 'P' appears in Ignore_Lines.
+ -- Indicates task dispatching policy for units in this file. Space means
+ -- tasking was not used, or that no Task_Dispatching_Policy pragma was
+ -- present or that this is a language defined unit. Otherwise set to
+ -- first character (upper case) of policy name. Not set if 'P' appears
+ -- in Ignore_Lines.
Compile_Errors : Boolean;
- -- Set to True if compile errors for unit. Note that No_Object
- -- will always be set as well in this case.
- -- Not set if 'P' appears in Ignore_Lines.
+ -- Set to True if compile errors for unit. Note that No_Object will
+ -- always be set as well in this case. Not set if 'P' appears in
+ -- Ignore_Lines.
Float_Format : Character;
- -- Set to float format (set to I if no float-format given).
- -- Not set if 'P' appears in Ignore_Lines.
+ -- Set to float format (set to I if no float-format given). Not set if
+ -- 'P' appears in Ignore_Lines.
No_Object : Boolean;
- -- Set to True if no object file generated.
- -- Not set if 'P' appears in Ignore_Lines.
+ -- Set to True if no object file generated. Not set if 'P' appears in
+ -- Ignore_Lines.
Normalize_Scalars : Boolean;
- -- Set to True if file was compiled with Normalize_Scalars.
- -- Not set if 'P' appears in Ignore_Lines.
+ -- Set to True if file was compiled with Normalize_Scalars. Not set if
+ -- 'P' appears in Ignore_Lines.
Unit_Exception_Table : Boolean;
- -- Set to True if unit exception table pointer generated.
- -- Not set if 'P' appears in Ignore_Lines.
+ -- Set to True if unit exception table pointer generated. Not set if 'P'
+ -- appears in Ignore_Lines.
Zero_Cost_Exceptions : Boolean;
- -- Set to True if file was compiled with zero cost exceptions.
- -- Not set if 'P' appears in Ignore_Lines.
+ -- Set to True if file was compiled with zero cost exceptions. Not set
+ -- if 'P' appears in Ignore_Lines.
Restrictions : Restrictions_Info;
-- Restrictions information reconstructed from R lines
First_Interrupt_State : Interrupt_State_Id;
Last_Interrupt_State : Interrupt_State_Id'Base;
- -- These point to the first and last entries in the interrupt
- -- state table for this unit. If there are no entries, then
- -- Last_Interrupt_State = First_Interrupt_State - 1 (that's
- -- why the 'Base reference is there, it can be one less than
- -- the lower bound of the subtype).
- -- Not set if 'I' appears in Ignore_Lines
+ -- These point to the first and last entries in the interrupt state
+ -- table for this unit. If no entries, then Last_Interrupt_State =
+ -- First_Interrupt_State - 1 (that's why the 'Base reference is there,
+ -- it can be one less than the lower bound of the subtype). Not set if
+ -- 'I' appears in Ignore_Lines
First_Specific_Dispatching : Priority_Specific_Dispatching_Id;
Last_Specific_Dispatching : Priority_Specific_Dispatching_Id'Base;
-- for the body right after the call for the spec, or at least as close
-- together as possible.
+ Optimize_Alignment : Character;
+ -- Optimize_Alignment setting. Set to L/S/T/O for OL/OS/OT/OO present
+
end record;
package Units is new Table.Table (
Float_Format_Specified : Character := ' ';
-- Set to blank by Initialize_ALI. Set to appropriate float format
- -- character (V or I, see Opt.Float_Format) if an an ali file that
+ -- character (V or I, see Opt.Float_Format) if an ali file that
-- is read contains an F line setting the floating point format.
Initialize_Scalars_Used : Boolean := False;
-- ali files, showing whether a restriction pragma exists anywhere, and
-- accumulating the aggregate knowledge of violations.
+ Stack_Check_Switch_Set : Boolean := False;
+ -- Set to True if at least one ALI file contains '-fstack-check' in its
+ -- argument list.
+
Static_Elaboration_Model_Used : Boolean := False;
-- Set to False by Initialize_ALI. Set to True if any ALI file for a
-- non-internal unit compiled with the static elaboration model is
SAL_Interface : Boolean := False;
-- True if the Unit is an Interface of a Stand-Alone Library
+ Limited_With : Boolean := False;
+ -- True if unit is named in a limited_with_clause
end record;
package Withs is new Table.Table (
-- Sdep (Source Dependency) Table --
------------------------------------
- -- Each source dependency (D line) in an ALI file generates an
- -- entry in the Sdep table.
+ -- Each source dependency (D line) in an ALI file generates an entry in the
+ -- Sdep table.
-- Note: there will be no entries in this table if 'D' lines are ignored
-- Special value indicating no Sdep table entry
First_Sdep_Entry : Sdep_Id := No_Sdep_Id + 1;
- -- Id of first Sdep entry for current ali file. This is initialized to
- -- the first Sdep entry in the table, and then incremented appropriately
- -- as successive ALI files are scanned.
+ -- Id of first Sdep entry for current ali file. This is initialized to the
+ -- first Sdep entry in the table, and then incremented appropriately as
+ -- successive ALI files are scanned.
type Sdep_Record is record
-- Name of source file
Stamp : Time_Stamp_Type;
- -- Time stamp value. Note that this will be all zero characters
- -- for the dummy entries for missing or non-dependent files.
+ -- Time stamp value. Note that this will be all zero characters for the
+ -- dummy entries for missing or non-dependent files.
Checksum : Word;
- -- Checksum value. Note that this will be all zero characters
- -- for the dummy entries for missing or non-dependent files
+ -- Checksum value. Note that this will be all zero characters for the
+ -- dummy entries for missing or non-dependent files
Dummy_Entry : Boolean;
- -- Set True for dummy entries that correspond to missing files
- -- or files where no dependency relationship exists.
+ -- Set True for dummy entries that correspond to missing files or files
+ -- where no dependency relationship exists.
Subunit_Name : Name_Id;
-- Name_Id for subunit name if present, else No_Name
Rfile : File_Name_Type;
- -- Reference file name. Same as Sfile unless a Source_Reference
- -- pragma was used, in which case it reflects the name used in
- -- the pragma.
+ -- Reference file name. Same as Sfile unless a Source_Reference pragma
+ -- was used, in which case it reflects the name used in the pragma.
Start_Line : Nat;
-- Starting line number in file. Always 1, unless a Source_Reference
-- Use of Name Table Info --
----------------------------
- -- All unit names and file names are entered into the Names table. The
- -- Info fields of these entries are used as follows:
+ -- All unit names and file names are entered into the Names table. The Info
+ -- fields of these entries are used as follows:
-- Unit name Info field has Unit_Id of unit table entry
-- ALI file name Info field has ALI_Id of ALI table entry
-- Cross-Reference Data --
--------------------------
- -- The following table records cross-reference sections, there is one
- -- entry for each X header line in the ALI file for an xref section.
+ -- The following table records cross-reference sections, there is one entry
+ -- for each X header line in the ALI file for an xref section.
-- Note: there will be no entries in this table if 'X' lines are ignored
Oref_File_Num : Sdep_Id;
-- This field is set to No_Sdep_Id if the entity doesn't override any
- -- other entity, or to the dependency reference for the overriden
+ -- other entity, or to the dependency reference for the overridden
-- entity.
Oref_Line : Nat;
Oref_Col : Nat;
- -- These two fields are set to the line and column of the overriden
+ -- These two fields are set to the line and column of the overridden
-- entity.
First_Xref : Nat;
Table_Increment => 300,
Table_Name => "Xref_Entity");
+ Array_Index_Reference : constant Character := '*';
+ Interface_Reference : constant Character := 'I';
+ -- Some special types of references. In the ALI file itself, these
+ -- are output as attributes of the entity, not as references, but
+ -- there is no provision in Xref_Entity_Record for storing multiple
+ -- such references.
+
-- The following table records actual cross-references
type Xref_Record is record
-- that if no file entry is present explicitly, this is just a copy
-- of the reference for the current cross-reference section.
- Line : Pos;
- -- Line number for the reference
+ Line : Nat;
+ -- Line number for the reference. This is zero when referencing a
+ -- predefined entity, but in this case Name is set.
Rtype : Character;
-- Indicates type of reference, using code used in ALI file:
-- c = completion of private or incomplete type
-- x = type extension
-- i = implicit reference
+ -- Array_Index_Reference = reference to the index of an array
+ -- Interface_Reference = reference to an interface implemented
+ -- by the type
-- See description in lib-xref.ads for further details
Col : Nat;
-- Column number for the reference
+ Name : Name_Id := No_Name;
+ -- This is only used when referencing a predefined entity. Currently,
+ -- this only occurs for array indexes.
+
-- Note: for instantiation references, Rtype is set to ' ', and Col is
-- set to zero. One or more such entries can follow any other reference.
-- When there is more than one such entry, this is to be read as:
-- Ignore_Lines requests that Scan_ALI ignore any lines that start
-- with any given key character. The default value of X causes all
-- Xref lines to be ignored. The corresponding data in the ALI
- -- tables will not be filled in in this case. It is not possible
+ -- tables will not be filled in this case. It is not possible
-- to ignore U (unit) lines, they are always read.
--
-- Read_Lines requests that Scan_ALI process only lines that start
-- (unit) lines are always read regardless of the value of this
-- parameter.
--
- -- Note: either Ignore_Lines or Read_Lines should be non-null.
- -- but not both. If both are given then only the Read_Lines
- -- value is processed, and the Ignore_Lines parameter is
- -- not processed.
+ -- Note: either Ignore_Lines or Read_Lines should be non-null, but not
+ -- both. If both are provided then only the Read_Lines value is used,
+ -- and the Ignore_Lines parameter is ignored.
--
-- Read_XREF is set True to read and acquire the cross-reference
- -- information. If Read_XREF is set to True, then the effect is
- -- to ignore all lines other than U, W, D and X lines and the
- -- Ignore_Lines and Read_Lines parameters are ignored (i.e. the
- -- use of True for Read_XREF is equivalent to specifying an
- -- argument of "UWDX" for Read_Lines.
+ -- information. If Read_XREF is set to True, then the effect is to ignore
+ -- all lines other than U, W, D and X lines and the Ignore_Lines and
+ -- Read_Lines parameters are ignored (i.e. the use of True for Read_XREF
+ -- is equivalent to specifying an argument of "UWDX" for Read_Lines.
--
-- Ignore_Errors is normally False. If it is set True, then Scan_ALI
-- will do its best to scan through a file and extract all information
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