diff options
Diffstat (limited to 'gcc/ada/ali.ads')
| -rw-r--r-- | gcc/ada/ali.ads | 159 |
1 files changed, 128 insertions, 31 deletions
diff --git a/gcc/ada/ali.ads b/gcc/ada/ali.ads index 1de7b4582e8..24f8d04725c 100644 --- a/gcc/ada/ali.ads +++ b/gcc/ada/ali.ads @@ -6,7 +6,7 @@ -- -- -- S p e c -- -- -- --- Copyright (C) 1992-2002 Free Software Foundation, Inc. -- +-- Copyright (C) 1992-2003 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- -- @@ -64,6 +64,9 @@ package ALI is 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 + -------------------- -- ALI File Table -- -------------------- @@ -96,10 +99,15 @@ package ALI is -- 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) + -- 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 + -- Length of characters stored in Ver. Not set if V lines are + -- ignored as a result of the Ignore_Lines parameter. + + 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 @@ -114,63 +122,83 @@ package ALI is -- 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 + -- 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. 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. 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) + -- 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 - - No_Run_Time : Boolean; - -- Set to True if file was compiled with pragma No_Run_Time + -- 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 + -- 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 + -- 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 + -- Set to True if file was compiled with zero cost exceptions. + -- Not set if 'P' appears in Ignore_Lines. Restrictions : Restrictions_String; - -- Copy of restrictions letters from R line + -- Copy of restrictions letters from R line. + -- Not set if 'R' appears in Ignore_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 end record; @@ -308,6 +336,12 @@ package ALI is -- Set True if IS qualifier appears in ALI file, indicating that -- an Initialize_Scalars pragma applies to the unit. + Interface : Boolean; + -- Set True when this is an interface to a standalone library + + 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. end record; package Units is new Table.Table ( @@ -318,6 +352,34 @@ package ALI is 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"); + -------------- -- Switches -- -------------- @@ -325,8 +387,11 @@ package ALI is -- 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 Read_ALI reads + -- 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 := ' '; @@ -353,10 +418,6 @@ package ALI is -- Set to False by Initialize_ALI. Set to True if an ali file indicates -- that the file was compiled in Normalize_Scalars mode. - No_Run_Time_Specified : Boolean := False; - -- Set to False by Initialize_ALI, Set to True if an ali file indicates - -- that the file was compiled in No_Run_Time 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. @@ -391,6 +452,8 @@ package ALI is -- 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 @@ -417,6 +480,9 @@ package ALI is Elab_All_Desirable : Boolean; -- Indicates presence of ED parameter + Interface : Boolean := False; + -- True if the Unit is an Interface of a Stand-Alole Library + end record; package Withs is new Table.Table ( @@ -433,6 +499,8 @@ package ALI is -- 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 @@ -457,6 +525,8 @@ package ALI is -- 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 @@ -497,6 +567,8 @@ package ALI is -- 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 @@ -521,6 +593,8 @@ package ALI is -- 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 @@ -584,8 +658,8 @@ package ALI is -- 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 that there will be no entries in this table if the Read_Xref - -- parameter to Scan_ALI was set to False. + + -- Note: there will be no entries in this table if 'X' lines are ignored type Xref_Section_Record is record File_Num : Sdep_Id; @@ -599,7 +673,6 @@ package ALI is Last_Entity : Nat; -- Last entry in Xref_Entity table - end record; package Xref_Section is new Table.Table ( @@ -627,7 +700,7 @@ package ALI is Etype : Character; -- Set to the identification character for the entity. See section - -- "Cross-Reference Entity Identifiers in lib-xref.ads for details. + -- "Cross-Reference Entity Identifiers" in lib-xref.ads for details. Col : Pos; -- Column number of definition @@ -665,7 +738,7 @@ package ALI is -- 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. + -- "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 @@ -740,12 +813,14 @@ package ALI is -- 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) - return ALI_Id; + (F : File_Name_Type; + T : Text_Buffer_Ptr; + Ignore_ED : Boolean; + Err : Boolean; + Read_Xref : Boolean := False; + Read_Lines : String := ""; + Ignore_Lines : String := "X") + 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 @@ -760,8 +835,30 @@ package ALI is -- 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 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 given then only the Read_Lines + -- value is processed, and the Ignore_Lines parameter is + -- not processed. + -- -- Read_XREF is set True to read and acquire the cross-reference - -- information, otherwise the scan is terminated when a cross- - -- reference line is encountered. + -- 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. end ALI; |