aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.7/gcc/ada/ali.ads
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.7/gcc/ada/ali.ads')
-rw-r--r--gcc-4.7/gcc/ada/ali.ads1061
1 files changed, 0 insertions, 1061 deletions
diff --git a/gcc-4.7/gcc/ada/ali.ads b/gcc-4.7/gcc/ada/ali.ads
deleted file mode 100644
index b2b9b3d7f..000000000
--- a/gcc-4.7/gcc/ada/ali.ads
+++ /dev/null
@@ -1,1061 +0,0 @@
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- A L I --
--- --
--- S p e c --
--- --
--- Copyright (C) 1992-2011, 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 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 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. --
--- --
-------------------------------------------------------------------------------
-
--- This package defines the internal data structures used for representation
--- of Ada Library Information (ALI) acquired from the ALI files generated by
--- the front end.
-
-with Casing; use Casing;
-with Gnatvsn; use Gnatvsn;
-with Namet; use Namet;
-with Rident; use Rident;
-with Table;
-with Types; use Types;
-
-with GNAT.HTable; use GNAT.HTable;
-
-package ALI is
-
- --------------
- -- Id Types --
- --------------
-
- -- 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
-
- type Unit_Id is range 1_000_000 .. 1_999_999;
- -- Id values used for Unit table entries
-
- type With_Id is range 2_000_000 .. 2_999_999;
- -- Id values used for Withs table entries
-
- type Arg_Id is range 3_000_000 .. 3_999_999;
- -- Id values used for argument table entries
-
- type Sdep_Id is range 4_000_000 .. 4_999_999;
- -- Id values used for Sdep table entries
-
- type Source_Id is range 5_000_000 .. 5_999_999;
- -- Id values used for Source table entries
-
- type Interrupt_State_Id is range 6_000_000 .. 6_999_999;
- -- Id values used for Interrupt_State table entries
-
- type Priority_Specific_Dispatching_Id is range 7_000_000 .. 7_999_999;
- -- Id values used for Priority_Specific_Dispatching table entries
-
- --------------------
- -- ALI File Table --
- --------------------
-
- -- Each ALI file read generates an entry in the ALIs table
-
- No_ALI_Id : constant ALI_Id := ALI_Id'First;
- -- Special value indicating no ALI entry
-
- First_ALI_Entry : constant ALI_Id := No_ALI_Id + 1;
- -- Id of first actual entry in table
-
- type Main_Program_Type is (None, Proc, Func);
- -- Indicator of whether unit can be used as main program
-
- type ALIs_Record is record
-
- Afile : File_Name_Type;
- -- Name of ALI file
-
- Ofile_Full_Name : File_Name_Type;
- -- Full name of object file corresponding to the ALI file
-
- Sfile : File_Name_Type;
- -- Name of source file that generates this ALI file (which is equal
- -- to the name of the source file in the first unit table entry for
- -- this ALI file, since the body if present is always first).
-
- Ver : String (1 .. Ver_Len_Max);
- -- Value of library version (V line in ALI file). Not set if
- -- 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.
-
- SAL_Interface : Boolean;
- -- Set True when this is an interface to a standalone library
-
- First_Unit : Unit_Id;
- -- Id of first Unit table entry for this file
-
- Last_Unit : Unit_Id;
- -- Id of last Unit table entry for this file
-
- First_Sdep : Sdep_Id;
- -- Id of first Sdep table entry for this file
-
- Last_Sdep : Sdep_Id;
- -- 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.
-
- 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.
-
- Main_CPU : Int;
- -- Indicates processor if Main_Program field indicates that this can
- -- be a main program. A value of -1 (No_Main_CPU) indicates that no C
- -- 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.
-
- Allocator_In_Body : Boolean;
- -- Set True if an AB switch appears on the main program line. False
- -- if no M line, or AB not present, or '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.
-
- 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.
-
- 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.
-
- 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.
-
- Float_Format : Character;
- -- 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.
-
- Normalize_Scalars : Boolean;
- -- 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.
-
- Zero_Cost_Exceptions : Boolean;
- -- 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 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;
- -- These point to the first and last entries in the priority specific
- -- dispatching table for this unit. If there are no entries, then
- -- Last_Specific_Dispatching = First_Specific_Dispatching - 1. That
- -- is why the 'Base reference is there, it can be one less than the
- -- lower bound of the subtype. Not set if 'S' appears in Ignore_Lines.
-
- end record;
-
- No_Main_Priority : constant Int := -1;
- -- Code for no main priority set
-
- No_Main_CPU : constant Int := -1;
- -- Code for no main cpu set
-
- package ALIs is new Table.Table (
- Table_Component_Type => ALIs_Record,
- Table_Index_Type => ALI_Id,
- Table_Low_Bound => First_ALI_Entry,
- Table_Initial => 500,
- Table_Increment => 200,
- Table_Name => "ALIs");
-
- ----------------
- -- Unit Table --
- ----------------
-
- -- Each unit within an ALI file generates an entry in the unit table
-
- No_Unit_Id : constant Unit_Id := Unit_Id'First;
- -- Special value indicating no unit table entry
-
- First_Unit_Entry : constant Unit_Id := No_Unit_Id + 1;
- -- Id of first actual entry in table
-
- type Unit_Type is (Is_Spec, Is_Body, Is_Spec_Only, Is_Body_Only);
- -- Indicates type of entry, if both body and spec appear in the ALI file,
- -- then the first unit is marked Is_Body, and the second is marked Is_Spec.
- -- If only a spec appears, then it is marked as Is_Spec_Only, and if only
- -- a body appears, then it is marked Is_Body_Only).
-
- subtype Version_String is String (1 .. 8);
- -- Version string, taken from unit record
-
- type Unit_Record is record
-
- My_ALI : ALI_Id;
- -- Corresponding ALI entry
-
- Uname : Unit_Name_Type;
- -- Name of Unit
-
- Sfile : File_Name_Type;
- -- Name of source file
-
- Preelab : Boolean;
- -- Indicates presence of PR parameter for a preelaborated package
-
- No_Elab : Boolean;
- -- Indicates presence of NE parameter for a unit that has does not
- -- have an elaboration routine (since it has no elaboration code).
-
- Pure : Boolean;
- -- Indicates presence of PU parameter for a package having pragma Pure
-
- Dynamic_Elab : Boolean;
- -- Set to True if the unit was compiled with dynamic elaboration checks
- -- (i.e. either -gnatE or pragma Elaboration_Checks (RM) was used to
- -- compile the unit).
-
- Elaborate_Body : Boolean;
- -- Indicates presence of EB parameter for a package which has a pragma
- -- Elaborate_Body, and also for generic package instantiations.
-
- Set_Elab_Entity : Boolean;
- -- Indicates presence of EE parameter for a unit which has an
- -- elaboration entity which must be set true as part of the
- -- elaboration of the entity.
-
- Has_RACW : Boolean;
- -- Indicates presence of RA parameter for a package that declares at
- -- least one Remote Access to Class_Wide (RACW) object.
-
- Remote_Types : Boolean;
- -- Indicates presence of RT parameter for a package which has a
- -- pragma Remote_Types.
-
- Shared_Passive : Boolean;
- -- Indicates presence of SP parameter for a package which has a pragma
- -- Shared_Passive.
-
- RCI : Boolean;
- -- Indicates presence of RC parameter for a package which has a pragma
- -- Remote_Call_Interface.
-
- Predefined : Boolean;
- -- Indicates if unit is language predefined (or a child of such a unit)
-
- Internal : Boolean;
- -- Indicates if unit is an internal unit (or a child of such a unit)
-
- First_With : With_Id;
- -- Id of first withs table entry for this file
-
- Last_With : With_Id;
- -- Id of last withs table entry for this file
-
- First_Arg : Arg_Id;
- -- Id of first args table entry for this file
-
- Last_Arg : Arg_Id;
- -- Id of last args table entry for this file
-
- Utype : Unit_Type;
- -- Type of entry
-
- Is_Generic : Boolean;
- -- True for generic unit (i.e. a generic declaration, or a generic
- -- body). False for a non-generic unit.
-
- Unit_Kind : Character;
- -- Indicates the nature of the unit. 'p' for Packages and 's' for
- -- subprograms.
-
- Version : Version_String;
- -- Version of unit
-
- Icasing : Casing_Type;
- -- Indicates casing of identifiers in source file for this unit. This
- -- is used for informational output, and also for constructing the main
- -- unit if it is being built in Ada.
-
- Kcasing : Casing_Type;
- -- Indicates casing of keywords in source file for this unit. This is
- -- used for informational output, and also for constructing the main
- -- unit if it is being built in Ada.
-
- Elab_Position : aliased Natural;
- -- Initialized to zero. Set non-zero when a unit is chosen and
- -- placed in the elaboration order. The value represents the
- -- ordinal position in the elaboration order.
-
- Init_Scalars : Boolean;
- -- Set True if IS qualifier appears in ALI file, indicating that
- -- an Initialize_Scalars pragma applies to the unit.
-
- SAL_Interface : Boolean;
- -- Set True when this is an interface to a standalone library
-
- Directly_Scanned : Boolean;
- -- True iff it is a unit from an ALI file specified to gnatbind
-
- Body_Needed_For_SAL : Boolean;
- -- Indicates that the source for the body of the unit (subprogram,
- -- package, or generic unit) must be included in a standalone library.
-
- Elaborate_Body_Desirable : Boolean;
- -- Indicates that the front end elaboration circuitry decided that it
- -- would be a good idea if this package had Elaborate_Body. The binder
- -- will attempt, but does not promise, to place the elaboration call
- -- 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
-
- Has_Finalizer : Boolean;
- -- Indicates whether a package body or a spec has a library-level
- -- finalization routine.
- end record;
-
- package Units is new Table.Table (
- Table_Component_Type => Unit_Record,
- Table_Index_Type => Unit_Id,
- Table_Low_Bound => First_Unit_Entry,
- Table_Initial => 100,
- Table_Increment => 200,
- Table_Name => "Unit");
-
- ---------------------------
- -- Interrupt State Table --
- ---------------------------
-
- -- An entry is made in this table for each I (interrupt state) line
- -- encountered in the input ALI file. The First/Last_Interrupt_Id
- -- fields of the ALI file entry show the range of entries defined
- -- within a particular ALI file.
-
- type Interrupt_State_Record is record
- Interrupt_Id : Nat;
- -- Id from interrupt state entry
-
- Interrupt_State : Character;
- -- State from interrupt state entry ('u'/'r'/'s')
-
- IS_Pragma_Line : Nat;
- -- Line number of Interrupt_State pragma
- end record;
-
- package Interrupt_States is new Table.Table (
- Table_Component_Type => Interrupt_State_Record,
- Table_Index_Type => Interrupt_State_Id'Base,
- Table_Low_Bound => Interrupt_State_Id'First,
- Table_Initial => 100,
- Table_Increment => 200,
- Table_Name => "Interrupt_States");
-
- -----------------------------------------
- -- Priority Specific Dispatching Table --
- -----------------------------------------
-
- -- An entry is made in this table for each S (priority specific
- -- dispatching) line encountered in the input ALI file. The
- -- First/Last_Specific_Dispatching_Id fields of the ALI file
- -- entry show the range of entries defined within a particular
- -- ALI file.
-
- type Specific_Dispatching_Record is record
- Dispatching_Policy : Character;
- -- First character (upper case) of the corresponding policy name
-
- First_Priority : Nat;
- -- Lower bound of the priority range to which the specified dispatching
- -- policy applies.
-
- Last_Priority : Nat;
- -- Upper bound of the priority range to which the specified dispatching
- -- policy applies.
-
- PSD_Pragma_Line : Nat;
- -- Line number of Priority_Specific_Dispatching pragma
- end record;
-
- package Specific_Dispatching is new Table.Table (
- Table_Component_Type => Specific_Dispatching_Record,
- Table_Index_Type => Priority_Specific_Dispatching_Id'Base,
- Table_Low_Bound => Priority_Specific_Dispatching_Id'First,
- Table_Initial => 100,
- Table_Increment => 200,
- Table_Name => "Priority_Specific_Dispatching");
-
- --------------
- -- Switches --
- --------------
-
- -- These switches record status information about ali files that
- -- have been read, for quick reference without searching tables.
-
- -- Note: a switch will be left set at its default value if the line
- -- which might otherwise set it is ignored (from Ignore_Lines).
-
- Dynamic_Elaboration_Checks_Specified : Boolean := False;
- -- Set to False by Initialize_ALI. Set to True if Scan_ALI reads
- -- a unit for which dynamic elaboration checking is enabled.
-
- 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 ali file that
- -- is read contains an F line setting the floating point format.
-
- Initialize_Scalars_Used : Boolean := False;
- -- Set True if an ali file contains the Initialize_Scalars flag
-
- Locking_Policy_Specified : Character := ' ';
- -- Set to blank by Initialize_ALI. Set to the appropriate locking policy
- -- character if an ali file contains a P line setting the locking policy.
-
- No_Normalize_Scalars_Specified : Boolean := False;
- -- Set to False by Initialize_ALI. Set to True if an ali file indicates
- -- that the file was compiled without normalize scalars.
-
- No_Object_Specified : Boolean := False;
- -- Set to False by Initialize_ALI. Set to True if an ali file contains
- -- the No_Object flag.
-
- Normalize_Scalars_Specified : Boolean := False;
- -- Set to False by Initialize_ALI. Set to True if an ali file indicates
- -- that the file was compiled in Normalize_Scalars mode.
-
- Queuing_Policy_Specified : Character := ' ';
- -- Set to blank by Initialize_ALI. Set to the appropriate queuing policy
- -- character if an ali file contains a P line setting the queuing policy.
-
- Cumulative_Restrictions : Restrictions_Info := No_Restrictions;
- -- This variable records the cumulative contributions of R lines in all
- -- 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
- -- encountered.
-
- Task_Dispatching_Policy_Specified : Character := ' ';
- -- Set to blank by Initialize_ALI. Set to the appropriate task dispatching
- -- policy character if an ali file contains a P line setting the
- -- task dispatching policy.
-
- Unreserve_All_Interrupts_Specified : Boolean := False;
- -- Set to False by Initialize_ALI. Set to True if an ali file is read that
- -- has P line specifying unreserve all interrupts mode.
-
- Zero_Cost_Exceptions_Specified : Boolean := False;
- -- Set to False by Initialize_ALI. Set to True if an ali file is read that
- -- has a P line specifying the generation of zero cost exceptions.
-
- -----------------
- -- Withs Table --
- -----------------
-
- -- Each With line (W line) in an ALI file generates a Withs table entry
-
- -- Note: there will be no entries in this table if 'W' lines are ignored
-
- No_With_Id : constant With_Id := With_Id'First;
- -- Special value indicating no withs table entry
-
- First_With_Entry : constant With_Id := No_With_Id + 1;
- -- Id of first actual entry in table
-
- type With_Record is record
-
- Uname : Unit_Name_Type;
- -- Name of Unit
-
- Sfile : File_Name_Type;
- -- Name of source file, set to No_File in generic case
-
- Afile : File_Name_Type;
- -- Name of ALI file, set to No_File in generic case
-
- Elaborate : Boolean;
- -- Indicates presence of E parameter
-
- Elaborate_All : Boolean;
- -- Indicates presence of EA parameter
-
- Elab_All_Desirable : Boolean;
- -- Indicates presence of AD parameter
-
- Elab_Desirable : Boolean;
- -- Indicates presence of ED parameter
-
- 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 (
- Table_Component_Type => With_Record,
- Table_Index_Type => With_Id,
- Table_Low_Bound => First_With_Entry,
- Table_Initial => 5000,
- Table_Increment => 200,
- Table_Name => "Withs");
-
- ---------------------
- -- Arguments Table --
- ---------------------
-
- -- Each Arg line (A line) in an ALI file generates an Args table entry
-
- -- Note: there will be no entries in this table if 'A' lines are ignored
-
- No_Arg_Id : constant Arg_Id := Arg_Id'First;
- -- Special value indicating no args table entry
-
- First_Arg_Entry : constant Arg_Id := No_Arg_Id + 1;
- -- Id of first actual entry in table
-
- package Args is new Table.Table (
- Table_Component_Type => String_Ptr,
- Table_Index_Type => Arg_Id,
- Table_Low_Bound => First_Arg_Entry,
- Table_Initial => 1000,
- Table_Increment => 100,
- Table_Name => "Args");
-
- --------------------------
- -- Linker_Options Table --
- --------------------------
-
- -- If an ALI file has one of more Linker_Options lines, then a single
- -- entry is made in this table. If more than one Linker_Options lines
- -- appears in a given ALI file, then the arguments are concatenated
- -- to form the entry in this table, using a NUL character as the
- -- separator, and a final NUL character is appended to the end.
-
- -- Note: there will be no entries in this table if 'L' lines are ignored
-
- type Linker_Option_Record is record
- Name : Name_Id;
- -- Name entry containing concatenated list of Linker_Options
- -- arguments separated by NUL and ended by NUL as described above.
-
- Unit : Unit_Id;
- -- Unit_Id for the entry
-
- Internal_File : Boolean;
- -- Set True if the linker options are from an internal file. This is
- -- used to insert certain standard entries after all the user entries
- -- but before the entries from the run-time.
-
- Original_Pos : Positive;
- -- Keep track of original position in the linker options table. This
- -- is used to implement a stable sort when we sort the linker options
- -- table.
- end record;
-
- -- The indexes of active entries in this table range from 1 to the
- -- value of Linker_Options.Last. The zero'th element is for sort call.
-
- package Linker_Options is new Table.Table (
- Table_Component_Type => Linker_Option_Record,
- Table_Index_Type => Integer,
- Table_Low_Bound => 0,
- Table_Initial => 200,
- Table_Increment => 400,
- Table_Name => "Linker_Options");
-
- -----------------
- -- Notes Table --
- -----------------
-
- -- The notes table records entries from N lines
-
- type Notes_Record is record
- Pragma_Type : Character;
- -- 'A', 'C', 'I', 'S', 'T' for Annotate/Comment/Ident/Subtitle/Title
-
- Pragma_Line : Nat;
- -- Line number of pragma
-
- Pragma_Col : Nat;
- -- Column number of pragma
-
- Unit : Unit_Id;
- -- Unit_Id for the entry
-
- Pragma_Args : Name_Id;
- -- Pragma arguments. No_Name if no arguments, otherwise a single
- -- name table entry consisting of all the characters on the notes
- -- line from the first non-blank character following the source
- -- location to the last character on the line.
- end record;
-
- -- The indexes of active entries in this table range from 1 to the
- -- value of Linker_Options.Last. The zero'th element is for convenience
- -- if the table needs to be sorted.
-
- package Notes is new Table.Table (
- Table_Component_Type => Notes_Record,
- Table_Index_Type => Integer,
- Table_Low_Bound => 0,
- Table_Initial => 200,
- Table_Increment => 400,
- Table_Name => "Notes");
-
- -------------------------------------------
- -- External Version Reference Hash Table --
- -------------------------------------------
-
- -- This hash table keeps track of external version reference strings
- -- as read from E lines in the ali file. The stored values do not
- -- include the terminating quote characters.
-
- -- Note: there will be no entries in this table if 'E' lines are ignored
-
- type Vindex is range 0 .. 98;
- -- Type to define range of headers
-
- function SHash (S : String_Ptr) return Vindex;
- -- Hash function for this table
-
- function SEq (F1, F2 : String_Ptr) return Boolean;
- -- Equality function for this table
-
- package Version_Ref is new Simple_HTable (
- Header_Num => Vindex,
- Element => Boolean,
- No_Element => False,
- Key => String_Ptr,
- Hash => SHash,
- Equal => SEq);
-
- -------------------------
- -- No_Dependency Table --
- -------------------------
-
- -- Each R line for a No_Dependency Restriction generates an entry in
- -- this No_Dependency table.
-
- type No_Dep_Record is record
- ALI_File : ALI_Id;
- -- ALI File containing the entry
-
- No_Dep_Unit : Name_Id;
- -- Id for names table entry including entire name, including periods
- end record;
-
- package No_Deps is new Table.Table (
- Table_Component_Type => No_Dep_Record,
- Table_Index_Type => Integer,
- Table_Low_Bound => 0,
- Table_Initial => 200,
- Table_Increment => 400,
- Table_Name => "No_Deps");
-
- ------------------------------------
- -- Sdep (Source Dependency) 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
-
- No_Sdep_Id : constant Sdep_Id := Sdep_Id'First;
- -- 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.
-
- type Sdep_Record is record
-
- Sfile : File_Name_Type;
- -- 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.
-
- Checksum : Word;
- -- 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.
-
- 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.
-
- Start_Line : Nat;
- -- Starting line number in file. Always 1, unless a Source_Reference
- -- pragma was used, in which case it reflects the line number value
- -- given in the pragma.
-
- end record;
-
- package Sdep is new Table.Table (
- Table_Component_Type => Sdep_Record,
- Table_Index_Type => Sdep_Id,
- Table_Low_Bound => First_Sdep_Entry,
- Table_Initial => 5000,
- Table_Increment => 200,
- Table_Name => "Sdep");
-
- ----------------------------
- -- 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:
-
- -- Unit name Info field has Unit_Id of unit table entry
- -- ALI file name Info field has ALI_Id of ALI table entry
- -- Source file name Info field has Source_Id of source 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.
-
- -- Note: there will be no entries in this table if 'X' lines are ignored
-
- type Xref_Section_Record is record
- File_Num : Sdep_Id;
- -- Dependency number for file (entry in Sdep.Table)
-
- File_Name : File_Name_Type;
- -- Name of file
-
- First_Entity : Nat;
- -- First entry in Xref_Entity table
-
- Last_Entity : Nat;
- -- Last entry in Xref_Entity table
- end record;
-
- package Xref_Section is new Table.Table (
- Table_Component_Type => Xref_Section_Record,
- Table_Index_Type => Nat,
- Table_Low_Bound => 1,
- Table_Initial => 50,
- Table_Increment => 300,
- Table_Name => "Xref_Section");
-
- -- The following is used to indicate whether a typeref field is present
- -- for the entity, and if so what kind of typeref field.
-
- type Tref_Kind is (
- Tref_None, -- No typeref present
- Tref_Access, -- Access type typeref (points to designated type)
- Tref_Derived, -- Derived type typeref (points to parent type)
- Tref_Type); -- All other cases
-
- type Visibility_Kind is
- (Global, -- Library level entity
- Static, -- Static C/C++ entity
- Other); -- Local and other entity
-
- -- The following table records entities for which xrefs are recorded
-
- type Xref_Entity_Record is record
- Line : Pos;
- -- Line number of definition
-
- Etype : Character;
- -- Set to the identification character for the entity. See section
- -- "Cross-Reference Entity Identifiers" in lib-xref.ads for details.
-
- Col : Pos;
- -- Column number of definition
-
- Visibility : Visibility_Kind;
- -- Visibility of entity
-
- Entity : Name_Id;
- -- Name of entity
-
- Iref_File_Num : Sdep_Id;
- -- This field is set to the dependency reference for the file containing
- -- the generic entity that this one instantiates, or to No_Sdep_Id if
- -- the current entity is not an instantiation
-
- Iref_Line : Nat;
- -- This field is set to the line number in Iref_File_Num of the generic
- -- entity that this one instantiates, or to zero if the current entity
- -- is not an instantiation.
-
- Rref_Line : Nat;
- -- This field is set to the line number of a renaming reference if
- -- one is present, or to zero if no renaming reference is present
-
- Rref_Col : Nat;
- -- This field is set to the column number of a renaming reference
- -- if one is present, or to zero if no renaming reference is present.
-
- Tref : Tref_Kind;
- -- Indicates if a typeref is present, and if so what kind. Set to
- -- Tref_None if no typeref field is present.
-
- Tref_File_Num : Sdep_Id;
- -- This field is set to No_Sdep_Id if no typeref is present, or
- -- if the typeref refers to an entity in standard. Otherwise it
- -- it is the dependency reference for the file containing the
- -- declaration of the typeref entity.
-
- Tref_Line : Nat;
- -- This field is set to zero if no typeref is present, or if the
- -- typeref refers to an entity in standard. Otherwise it contains
- -- the line number of the declaration of the typeref entity.
-
- Tref_Type : Character;
- -- This field is set to blank if no typeref is present, or if the
- -- typeref refers to an entity in standard. Otherwise it contains
- -- the identification character for the typeref entity. See section
- -- "Cross-Reference Entity Identifiers" in lib-xref.ads for details.
-
- Tref_Col : Nat;
- -- This field is set to zero if no typeref is present, or if the
- -- typeref refers to an entity in standard. Otherwise it contains
- -- the column number of the declaration of the parent type.
-
- Tref_Standard_Entity : Name_Id;
- -- This field is set to No_Name if no typeref is present or if the
- -- typeref refers to a declared entity rather than an entity in
- -- package Standard. If there is a typeref that references an
- -- entity in package Standard, then this field is a Name_Id
- -- reference for the entity name.
-
- 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 overridden
- -- entity.
-
- Oref_Line : Nat;
- Oref_Col : Nat;
- -- These two fields are set to the line and column of the overridden
- -- entity.
-
- First_Xref : Nat;
- -- Index into Xref table of first cross-reference
-
- Last_Xref : Nat;
- -- Index into Xref table of last cross-reference. The value in
- -- Last_Xref can be less than the First_Xref value to indicate
- -- that no entries are present in the Xref Table.
- end record;
-
- package Xref_Entity is new Table.Table (
- Table_Component_Type => Xref_Entity_Record,
- Table_Index_Type => Nat,
- Table_Low_Bound => 1,
- Table_Initial => 500,
- 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
- File_Num : Sdep_Id;
- -- Set to the file dependency number for the cross-reference. Note
- -- that if no file entry is present explicitly, this is just a copy
- -- of the reference for the current cross-reference section.
-
- 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:
- -- r = reference
- -- m = modification
- -- b = body entity
- -- 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:
- -- e.g. ref1 ref2 ref3
- -- ref1 is a reference to an entity that was instantied at ref2.
- -- ref2 itself is also the result of an instantiation, that took
- -- place at ref3
-
- Imported_Lang : Name_Id := No_Name;
- Imported_Name : Name_Id := No_Name;
- -- Language and name of imported entity reference
- end record;
-
- package Xref is new Table.Table (
- Table_Component_Type => Xref_Record,
- Table_Index_Type => Nat,
- Table_Low_Bound => 1,
- Table_Initial => 2000,
- Table_Increment => 300,
- Table_Name => "Xref");
-
- --------------------------------------
- -- Subprograms for Reading ALI File --
- --------------------------------------
-
- procedure Initialize_ALI;
- -- Initialize the ALI tables. Also resets all switch values to defaults
-
- function Scan_ALI
- (F : File_Name_Type;
- T : Text_Buffer_Ptr;
- Ignore_ED : Boolean;
- Err : Boolean;
- Read_Xref : Boolean := False;
- Read_Lines : String := "";
- Ignore_Lines : String := "X";
- Ignore_Errors : Boolean := False;
- Directly_Scanned : Boolean := False) return ALI_Id;
- -- Given the text, T, of an ALI file, F, scan and store the information
- -- from the file, and return the Id of the resulting entry in the ALI
- -- table. Switch settings may be modified as described above in the
- -- switch description settings.
- --
- -- Ignore_ED is normally False. If set to True, it indicates that
- -- all AD/ED (elaboration desirable) indications in the ALI file are
- -- to be ignored. This parameter is obsolete now that the -f switch
- -- is removed from gnatbind, and should be removed ???
- --
- -- Err determines the action taken on an incorrectly formatted file.
- -- If Err is False, then an error message is output, and the program
- -- is terminated. If Err is True, then no error message is output,
- -- and No_ALI_Id is returned.
- --
- -- 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 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
- -- with one of the given characters. The corresponding data in the
- -- ALI file for any characters not given in the list will not be
- -- set. The default value of the null string indicates that all
- -- lines should be read (unless Ignore_Lines is specified). U
- -- (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 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.
- --
- -- 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
- -- it can, even if there are errors. In this case Err is only set if
- -- Scan_ALI was completely unable to process the file (e.g. it did not
- -- look like an ALI file at all). Ignore_Errors is intended to improve
- -- the downward compatibility of new compilers with old tools.
- --
- -- Directly_Scanned is normally False. If it is set to True, then the
- -- units (spec and/or body) corresponding to the ALI file are marked as
- -- such. It is used to decide for what units gnatbind should generate
- -- the symbols corresponding to 'Version or 'Body_Version in
- -- Stand-Alone Libraries.
-
-end ALI;