1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- O S I N T - C --
-- --
-- S p e c --
-- --
-- Copyright (C) 2001-2011, 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 contains the low level, operating system routines used only
-- in the GNAT compiler for command line processing and file input output.
package Osint.C is
procedure Set_Output_Object_File_Name (Name : String);
-- Called by the subprogram processing the command line when an
-- output object file name is found.
function Get_Output_Object_File_Name return String;
-- Returns the name of the output object file as saved by a call to
-- Set_Output_Object_File_Name. Only valid to call if name has been set.
function More_Source_Files return Boolean;
-- Indicates whether more source file remain to be processed. Returns
-- False right away if no source files, or if all source files have
-- been processed.
function Next_Main_Source return File_Name_Type;
-- This function returns the name of the next main source file specified
-- on the command line. It is an error to call Next_Main_Source if no more
-- source files exist (i.e. Next_Main_Source may be called only if a
-- previous call to More_Source_Files returned True). This name is the
-- simple file name (without any directory information).
------------------------------
-- Debug Source File Output --
------------------------------
-- These routines are used by the compiler to generate the debug source
-- file for the Debug_Generated_Code (-gnatD switch) option. Note that
-- debug source file writing occurs at a completely different point in
-- the processing from library information output, or representation
-- output, so the code in the body can assume that no two of these
-- functions are ever used at the same time.
function Create_Debug_File (Src : File_Name_Type) return File_Name_Type;
-- Given the simple name of a source file, this routine creates the
-- corresponding debug file, and returns its full name.
procedure Write_Debug_Info (Info : String);
-- Writes contents of given string as next line of the current debug
-- source file created by the most recent call to Create_Debug_File.
-- Info does not contain end of line or other formatting characters.
procedure Close_Debug_File;
-- Close current debug file created by the most recent call to
-- Create_Debug_File.
function Debug_File_Eol_Length return Nat;
-- Returns the number of characters (1 for NL, 2 for CR/LF) written
-- at the end of each line by Write_Debug_Info.
--------------------------------
-- Representation File Output --
--------------------------------
-- These routines are used by the compiler to generate the representation
-- information to a file if this option is specified (-gnatR?s switch).
-- Note that the writing of this file occurs at a completely different
-- point in the processing from library information output, or from
-- debug file output, so the code in the body can assume that no two
-- of these functions are ever used at the same time.
-- Note: these routines are called from Repinfo, but are not called
-- directly, since we do not want Repinfo to depend on Osint. That
-- would cause a lot of unwanted junk to be dragged into ASIS. So
-- what we do is we have Initialize set the addresses of these three
-- procedures in appropriate variables in Repinfo, so that they can
-- be called indirectly without creating a dependence.
procedure Create_Repinfo_File (Src : String);
-- Given the simple name of a source file, this routine creates the
-- corresponding file to hold representation information. Note that the
-- call destroys the contents of Name_Buffer and Name_Len.
procedure Write_Repinfo_Line (Info : String);
-- Writes contents of given string as next line of the current debug
-- source file created by the most recent call to Create_Repinfo_File.
-- Info does not contain end of line or other formatting characters.
procedure Close_Repinfo_File;
-- Close current debug file created by the most recent call to
-- Create_Repinfo_File.
--------------------------------
-- Library Information Output --
--------------------------------
-- These routines are used by the compiler to generate the library
-- information file for the main source file being compiled. See section
-- above for a discussion of how library information files are stored.
procedure Set_Library_Info_Name;
-- Sets a default ALI file name from the main compiler source name. Used by
-- Create_Output_Library_Info, and by the version of Read_Library_Info that
-- takes a default file name. The name is in Name_Buffer (with length in
-- Name_Len) on return from the call.
procedure Create_Output_Library_Info;
-- Creates the output library information file for the source file which
-- is currently being compiled (i.e. the file which was most recently
-- returned by Next_Main_Source).
procedure Write_Library_Info (Info : String);
-- Writes the contents of the referenced string to the library information
-- file for the main source file currently being compiled (i.e. the file
-- which was most recently opened with a call to Read_Next_File). Info
-- represents a single line in the file, but does not contain any line
-- termination characters. The implementation of Write_Library_Info is
-- responsible for adding necessary end of line and end of file control
-- characters to the generated file.
procedure Close_Output_Library_Info;
-- Closes the file created by Create_Output_Library_Info, flushing any
-- buffers etc. from writes by Write_Library_Info.
procedure Read_Library_Info
(Name : out File_Name_Type;
Text : out Text_Buffer_Ptr);
-- The procedure version of Read_Library_Info is used from the compiler
-- to read an existing ali file associated with the main unit. If the
-- ALI file exists, then its file name is returned in Name, and its
-- text is returned in Text. If the file does not exist, then Text is
-- set to null.
----------------------
-- List File Output --
----------------------
procedure Create_List_File (S : String);
-- Creates the file whose name is given by S. If the name starts with a
-- period, then the name is xxx & S, where xxx is the name of the main
-- source file without the extension stripped. Information is written to
-- this file using Write_List_File.
procedure Write_List_Info (S : String);
-- Writes given string to the list file created by Create_List_File
procedure Close_List_File;
-- Close file previously opened by Create_List_File
--------------------------------
-- Semantic Tree Input-Output --
--------------------------------
procedure Tree_Create;
-- Creates the tree output file for the source file which is currently
-- being compiled (i.e. the file which was most recently returned by
-- Next_Main_Source), and initializes Tree_IO.Tree_Write for output.
procedure Tree_Close;
-- Closes the file previously opened by Tree_Create
end Osint.C;
|
