Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/xref_lib.ads @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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1 ------------------------------------------------------------------------------ | |
2 -- -- | |
3 -- GNAT COMPILER COMPONENTS -- | |
4 -- -- | |
5 -- X R E F _ L I B -- | |
6 -- -- | |
7 -- S p e c -- | |
8 -- -- | |
9 -- Copyright (C) 1998-2015, Free Software Foundation, Inc. -- | |
10 -- -- | |
11 -- GNAT is free software; you can redistribute it and/or modify it under -- | |
12 -- terms of the GNU General Public License as published by the Free Soft- -- | |
13 -- ware Foundation; either version 3, or (at your option) any later ver- -- | |
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- | |
17 -- for more details. You should have received a copy of the GNU General -- | |
18 -- Public License distributed with GNAT; see file COPYING3. If not, go to -- | |
19 -- http://www.gnu.org/licenses for a complete copy of the license. -- | |
20 -- -- | |
21 -- GNAT was originally developed by the GNAT team at New York University. -- | |
22 -- Extensive contributions were provided by Ada Core Technologies Inc. -- | |
23 -- -- | |
24 ------------------------------------------------------------------------------ | |
25 | |
26 -- Miscellaneous utilities for the cross-referencing tool | |
27 | |
28 with Hostparm; | |
29 with Xr_Tabls; use Xr_Tabls; | |
30 | |
31 with GNAT.Directory_Operations; use GNAT.Directory_Operations; | |
32 with GNAT.OS_Lib; use GNAT.OS_Lib; | |
33 with GNAT.Dynamic_Tables; | |
34 with GNAT.Regexp; use GNAT.Regexp; | |
35 | |
36 package Xref_Lib is | |
37 | |
38 subtype File_Name_String is String (1 .. Hostparm.Max_Name_Length); | |
39 subtype Line_String is String (1 .. Hostparm.Max_Line_Length); | |
40 | |
41 type ALI_File is limited private; | |
42 | |
43 --------------------- | |
44 -- Directory Input -- | |
45 --------------------- | |
46 | |
47 type Rec_DIR is limited private; | |
48 -- This one is used for recursive search of .ali files | |
49 | |
50 procedure Find_ALI_Files; | |
51 -- Find all the ali files that we will have to parse, and have them to | |
52 -- the file list | |
53 | |
54 --------------------- | |
55 -- Search patterns -- | |
56 --------------------- | |
57 | |
58 type Search_Pattern is private; | |
59 type Search_Pattern_Ptr is access all Search_Pattern; | |
60 | |
61 procedure Add_Entity | |
62 (Pattern : in out Search_Pattern; | |
63 Entity : String; | |
64 Glob : Boolean := False); | |
65 -- Add a new entity to the search pattern (the entity should have the | |
66 -- form pattern[:file[:line[:column]]], and it is parsed entirely in | |
67 -- this procedure. Glob indicates if we should use the 'globbing | |
68 -- patterns' (True) or the full regular expressions (False) | |
69 | |
70 procedure Add_Xref_File (File : String); | |
71 -- Add a new file in the list of files to search for references. File | |
72 -- is interpreted as a globbing regular expression, which is expanded. | |
73 | |
74 Invalid_Argument : exception; | |
75 -- Exception raised when there is a syntax error in the command line | |
76 | |
77 ----------------------- | |
78 -- Output Algorithms -- | |
79 ----------------------- | |
80 | |
81 procedure Print_Gnatfind | |
82 (References : Boolean; | |
83 Full_Path_Name : Boolean); | |
84 procedure Print_Unused (Full_Path_Name : Boolean); | |
85 procedure Print_Vi (Full_Path_Name : Boolean); | |
86 procedure Print_Xref (Full_Path_Name : Boolean); | |
87 -- The actual print procedures. These functions step through the symbol | |
88 -- table and print all the symbols if they match the files given on the | |
89 -- command line (they already match the entities if they are in the | |
90 -- symbol table) | |
91 | |
92 ------------------------ | |
93 -- General Algorithms -- | |
94 ------------------------ | |
95 | |
96 function Default_Project_File (Dir_Name : String) return String; | |
97 -- Returns the default Project file name for the directory Dir_Name | |
98 | |
99 procedure Search | |
100 (Pattern : Search_Pattern; | |
101 Local_Symbols : Boolean; | |
102 Wide_Search : Boolean; | |
103 Read_Only : Boolean; | |
104 Der_Info : Boolean; | |
105 Type_Tree : Boolean); | |
106 -- Search every ALI file for entities matching Pattern, and add | |
107 -- these entities to the internal symbol tables. | |
108 -- | |
109 -- If Wide_Search is True, all ALI files found in the object path | |
110 -- are searched. | |
111 -- | |
112 -- If Read_Only is True, read-only ALI files will also be parsed, | |
113 -- similar to gnatmake -a. | |
114 -- | |
115 -- If Der_Info is true, then the derived type information will be | |
116 -- processed. | |
117 -- | |
118 -- If Type_Tree is true, then the type hierarchy will be searched | |
119 -- going from the pattern to the parent type. | |
120 | |
121 procedure Search_Xref | |
122 (Local_Symbols : Boolean; | |
123 Read_Only : Boolean; | |
124 Der_Info : Boolean); | |
125 -- Search every ali file given in the command line and all their | |
126 -- dependencies. If Read_Only is True, we parse the read-only ali | |
127 -- files too. If Der_Mode is true then the derived type information will | |
128 -- be processed | |
129 | |
130 private | |
131 type Rec_DIR is limited record | |
132 Dir : GNAT.Directory_Operations.Dir_Type; | |
133 end record; | |
134 | |
135 package Dependencies_Tables is new GNAT.Dynamic_Tables | |
136 (Table_Component_Type => Xr_Tabls.File_Reference, | |
137 Table_Index_Type => Natural, | |
138 Table_Low_Bound => 1, | |
139 Table_Initial => 400, | |
140 Table_Increment => 100); | |
141 use Dependencies_Tables; | |
142 | |
143 type Dependencies is new Dependencies_Tables.Instance; | |
144 | |
145 type ALI_File is limited record | |
146 Buffer : String_Access := null; | |
147 -- Buffer used to read the whole file at once | |
148 | |
149 Current_Line : Positive; | |
150 -- Start of the current line in Buffer | |
151 | |
152 Xref_Line : Positive; | |
153 -- Start of the xref lines in Buffer | |
154 | |
155 X_File : Xr_Tabls.File_Reference; | |
156 -- Stores the cross-referencing file-name ("X..." lines), as an | |
157 -- index into the dependencies table | |
158 | |
159 Dep : Dependencies; | |
160 -- Store file name associated with each number ("D..." lines) | |
161 end record; | |
162 | |
163 -- The following record type stores all the patterns that are searched for | |
164 | |
165 type Search_Pattern is record | |
166 Entity : GNAT.Regexp.Regexp; | |
167 -- A regular expression matching the entities we are looking for. | |
168 -- File is a list of the places where the declaration of the entities | |
169 -- has to be. When the user enters a file:line:column on the command | |
170 -- line, it is stored as "Entity_Name Declaration_File:line:column" | |
171 | |
172 File_Ref : Xr_Tabls.File_Reference; | |
173 -- A reference to the source file, if any | |
174 | |
175 Initialized : Boolean := False; | |
176 -- Set to True when Entity has been initialized | |
177 end record; | |
178 | |
179 end Xref_Lib; |