diff options
Diffstat (limited to 'gcc-4.8/gcc/ada/output.ads')
| -rw-r--r-- | gcc-4.8/gcc/ada/output.ads | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/gcc-4.8/gcc/ada/output.ads b/gcc-4.8/gcc/ada/output.ads deleted file mode 100644 index ddc395448..000000000 --- a/gcc-4.8/gcc/ada/output.ads +++ /dev/null @@ -1,222 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT COMPILER COMPONENTS -- --- -- --- O U T P U T -- --- -- --- S p e c -- --- -- --- Copyright (C) 1992-2010, 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. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - --- This package contains low level output routines used by the compiler for --- writing error messages and informational output. It is also used by the --- debug source file output routines (see Sprint.Print_Debug_Line). - -with Hostparm; use Hostparm; -with Types; use Types; - -pragma Warnings (Off); --- This package is used also by gnatcoll -with System.OS_Lib; use System.OS_Lib; -pragma Warnings (On); - -package Output is - pragma Elaborate_Body; - - type Output_Proc is access procedure (S : String); - -- This type is used for the Set_Special_Output procedure. If Output_Proc - -- is called, then instead of lines being written to standard error or - -- standard output, a call is made to the given procedure for each line, - -- passing the line with an end of line character (which is a single - -- ASCII.LF character, even in systems which normally use CR/LF or some - -- other sequence for line end). - - ----------------- - -- Subprograms -- - ----------------- - - procedure Set_Special_Output (P : Output_Proc); - -- Sets subsequent output to call procedure P. If P is null, then the call - -- cancels the effect of a previous call, reverting the output to standard - -- error or standard output depending on the mode at the time of previous - -- call. Any exception generated by by calls to P is simply propagated to - -- the caller of the routine causing the write operation. - - procedure Cancel_Special_Output; - -- Cancels the effect of a call to Set_Special_Output, if any. The output - -- is then directed to standard error or standard output depending on the - -- last call to Set_Standard_Error or Set_Standard_Output. It is never an - -- error to call Cancel_Special_Output. It has the same effect as calling - -- Set_Special_Output (null). - - procedure Ignore_Output (S : String); - -- Does nothing. To disable output, pass Ignore_Output'Access to - -- Set_Special_Output. - - procedure Set_Standard_Error; - -- Sets subsequent output to appear on the standard error file (whatever - -- that might mean for the host operating system, if anything) when - -- no special output is in effect. When a special output is in effect, - -- the output will appear on standard error only after special output - -- has been cancelled. - - procedure Set_Standard_Output; - -- Sets subsequent output to appear on the standard output file (whatever - -- that might mean for the host operating system, if anything) when no - -- special output is in effect. When a special output is in effect, the - -- output will appear on standard output only after special output has been - -- cancelled. Output to standard output is the default mode before any call - -- to either of the Set procedures. - - procedure Set_Output (FD : File_Descriptor); - -- Sets subsequent output to appear on the given file descriptor when no - -- special output is in effect. When a special output is in effect, the - -- output will appear on the given file descriptor only after special - -- output has been cancelled. - - procedure Indent; - -- Increases the current indentation level. Whenever a line is written - -- (triggered by Eol), an appropriate amount of whitespace is added to the - -- beginning of the line, wrapping around if it gets too long. - - procedure Outdent; - -- Decreases the current indentation level - - procedure Write_Char (C : Character); - -- Write one character to the standard output file. If the character is LF, - -- this is equivalent to Write_Eol. - - procedure Write_Erase_Char (C : Character); - -- If last character in buffer matches C, erase it, otherwise no effect - - procedure Write_Eol; - -- Write an end of line (whatever is required by the system in use, e.g. - -- CR/LF for DOS, or LF for Unix) to the standard output file. This routine - -- also empties the line buffer, actually writing it to the file. Note that - -- Write_Eol is the only routine that causes any actual output to be - -- written. Trailing spaces are removed. - - procedure Write_Eol_Keep_Blanks; - -- Similar as Write_Eol, except that trailing spaces are not removed - - procedure Write_Int (Val : Int); - -- Write an integer value with no leading blanks or zeroes. Negative values - -- are preceded by a minus sign). - - procedure Write_Spaces (N : Nat); - -- Write N spaces - - procedure Write_Str (S : String); - -- Write a string of characters to the standard output file. Note that - -- end of line is normally handled separately using WRITE_EOL, but it is - -- allowable for the string to contain LF (but not CR) characters, which - -- are properly interpreted as end of line characters. The string may also - -- contain horizontal tab characters. - - procedure Write_Line (S : String); - -- Equivalent to Write_Str (S) followed by Write_Eol; - - function Column return Pos; - pragma Inline (Column); - -- Returns the number of the column about to be written (e.g. a value of 1 - -- means the current line is empty). - - ------------------------- - -- Buffer Save/Restore -- - ------------------------- - - -- This facility allows the current line buffer to be saved and restored - - type Saved_Output_Buffer is private; - -- Type used for Save/Restore_Buffer - - Buffer_Max : constant := Hostparm.Max_Line_Length; - -- Maximal size of a buffered output line - - function Save_Output_Buffer return Saved_Output_Buffer; - -- Save current line buffer and reset line buffer to empty - - procedure Restore_Output_Buffer (S : Saved_Output_Buffer); - -- Restore previously saved output buffer. The value in S is not affected - -- so it is legitimate to restore a buffer more than once. - - -------------------------- - -- Debugging Procedures -- - -------------------------- - - -- The following procedures are intended only for debugging purposes, - -- for temporary insertion into the text in environments where a debugger - -- is not available. They all have non-standard very short lower case - -- names, precisely to make sure that they are only used for debugging! - - procedure w (C : Character); - -- Dump quote, character, quote, followed by line return - - procedure w (S : String); - -- Dump string followed by line return - - procedure w (V : Int); - -- Dump integer followed by line return - - procedure w (B : Boolean); - -- Dump Boolean followed by line return - - procedure w (L : String; C : Character); - -- Dump contents of string followed by blank, quote, character, quote - - procedure w (L : String; S : String); - -- Dump two strings separated by blanks, followed by line return - - procedure w (L : String; V : Int); - -- Dump contents of string followed by blank, integer, line return - - procedure w (L : String; B : Boolean); - -- Dump contents of string followed by blank, Boolean, line return - -private - -- Note: the following buffer and column position are maintained by the - -- subprograms defined in this package, and cannot be directly modified or - -- accessed by a client. - - Buffer : String (1 .. Buffer_Max + 1) := (others => '*'); - for Buffer'Alignment use 4; - -- Buffer used to build output line. We do line buffering because it - -- is needed for the support of the debug-generated-code option (-gnatD). - -- Historically it was first added because on VMS, line buffering is - -- needed with certain file formats. So in any case line buffering must - -- be retained for this purpose, even if other reasons disappear. Note - -- any attempt to write more output to a line than can fit in the buffer - -- will be silently ignored. The alignment clause improves the efficiency - -- of the save/restore procedures. - - Next_Col : Positive range 1 .. Buffer'Length + 1 := 1; - -- Column about to be written - - type Saved_Output_Buffer is record - Buffer : String (1 .. Buffer_Max + 1); - Next_Col : Positive; - Cur_Indentation : Natural; - end record; - -end Output; |