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author | Tristan Gingold <tgingold@free.fr> | 2014-06-24 22:07:56 +0200 |
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committer | Tristan Gingold <tgingold@free.fr> | 2014-06-24 22:07:56 +0200 |
commit | a084dd5f1174164ffb2fd878d078554c24711c20 (patch) | |
tree | b1bef09fe146af4d5439c70765306cfe6c729c38 /libraries/std/textio.vhdl | |
parent | 289f69a3ed370bc5847f1b98517a7bb6a038b427 (diff) | |
download | ghdl-a084dd5f1174164ffb2fd878d078554c24711c20.tar.gz ghdl-a084dd5f1174164ffb2fd878d078554c24711c20.tar.bz2 ghdl-a084dd5f1174164ffb2fd878d078554c24711c20.zip |
vhdl 2008: add justify and swrite in textio.
Diffstat (limited to 'libraries/std/textio.vhdl')
-rw-r--r-- | libraries/std/textio.vhdl | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/libraries/std/textio.vhdl b/libraries/std/textio.vhdl index 71b3ca72e..b9d1e4771 100644 --- a/libraries/std/textio.vhdl +++ b/libraries/std/textio.vhdl @@ -1,6 +1,6 @@ -- Std.Textio package declaration. This file is part of GHDL. -- This file was written from the clause 14.3 of the VHDL LRM. --- Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold +-- Copyright (C) 2002 - 2014 Tristan Gingold -- -- GHDL is free software; you can redistribute it and/or modify it under -- the terms of the GNU General Public License as published by the Free @@ -17,23 +17,29 @@ -- Software Foundation, 59 Temple Place - Suite 330, Boston, MA -- 02111-1307, USA. -package textio is +package Textio is -- type definitions for text i/o -- a LINE is a pointer to a string value. - type line is access string; + type Line is access String; -- A file of variable-length ASCII records. -- Note: in order to work correctly, the TEXT file type must be declared in - -- the textio package of library std. Otherwise, a file of string has a + -- the Textio package of library Std. Otherwise, a file of string has a -- non-ASCII format. - type text is file of string; + type text is file of String; type side is (right, left); -- For justifying ouput data within fields. subtype width is natural; -- For specifying widths of output fields. --- standard text files + -- standard text files + + --START-V08 + function Justify (Value: String; + Justified : Side := Right; + Field: Width := 0 ) return String; + --END-V08 file input: text is in "STD_INPUT"; --V87 file output: text is out "STD_OUTPUT"; --V87 @@ -50,7 +56,7 @@ package textio is -- on direction, or left bound). Therefore, even variable of type LINE -- not initialized by READLINE are accepted. Strictly speaking, this is -- not required by LRM, nor prevented. However, other implementations may - -- fail at parsing such strings. + -- fail at parsing such Strings. -- -- Also, in case of error (GOOD is false), this implementation do not -- modify L (as specified by the LRM) nor VALUE. @@ -60,10 +66,10 @@ package textio is -- -- In case of overflow (ie, if the number is out of the bounds of the type), -- the procedure will fail with an execution error. - -- FIXME: this should not occur for a bad string. + -- FIXME: this should not occur for a bad String. procedure read (l: inout line; value: out bit; good: out boolean); - procedure read (l: inout line; value: out bit); + procedure read (l: inout line; value: out bit); procedure read (l: inout line; value: out bit_vector; good: out boolean); procedure read (l: inout line; value: out bit_vector); @@ -72,7 +78,7 @@ package textio is procedure read (l: inout line; value: out boolean); procedure read (l: inout line; value: out character; good: out boolean); - procedure read (l: inout line; value: out character); + procedure read (l: inout line; value: out character); procedure read (l: inout line; value: out integer; good: out boolean); procedure read (l: inout line; value: out integer); @@ -80,8 +86,8 @@ package textio is procedure read (l: inout line; value: out real; good: out boolean); procedure read (l: inout line; value: out real); - procedure read (l: inout line; value: out string; good: out boolean); - procedure read (l: inout line; value: out string); + procedure read (l: inout line; value: out String; good: out boolean); + procedure read (l: inout line; value: out String); -- This implementation requires no space after the unit identifier, -- ie "7.5 nsv" is parsed as 7.5 ns. @@ -89,16 +95,26 @@ package textio is procedure read (l: inout line; value: out time; good: out boolean); procedure read (l: inout line; value: out time); + --START-V08 + procedure Sread (L : inout Line; Value : out String; Strlen : out Natural); + + alias STRING_READ is SREAD [LINE, STRING, NATURAL]; + alias BREAD is READ [LINE, BIT_VECTOR, BOOLEAN]; + alias BREAD is READ [LINE, BIT_VECTOR]; + alias BINARY_READ is READ [LINE, BIT_VECTOR, BOOLEAN]; + alias BINARY_READ is READ [LINE, BIT_VECTOR]; + --END-V08 + -- output routines for standard types procedure writeline (variable f: out text; l: inout line); --V87 procedure writeline (file f: text; l: inout line); --V93 -- This implementation accept any value for all the types. - procedure write + procedure write (l: inout line; value: in bit; justified: in side := right; field: in width := 0); - procedure write + procedure write (l: inout line; value: in bit_vector; justified: in side := right; field: in width := 0); procedure write @@ -114,8 +130,8 @@ package textio is (L: inout line; value: in real; justified: in side := right; field: in width := 0; digits: in natural := 0); - procedure write - (l: inout line; value: in string; + procedure write + (l: inout line; value: in String; justified: in side := right; field: in width := 0); -- UNIT must be a unit name declared in std.standard. Of course, no rules @@ -127,4 +143,11 @@ package textio is (l: inout line; value : in time; justified: in side := right; field: in width := 0; unit : in TIME := ns); + --START-V08 + alias Swrite is write [Line, String, Side, Width]; + alias String_Write is Write [Line, String, Side, Width]; + + alias Bwrite is write [Line, Bit_Vector, Side, Width]; + alias Binary_Write is write [Line, Bit_Vector, Side, Width]; + --END-V08 end textio; |