1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2007, Free Software Foundation, Inc. --
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. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
26 with Hostparm; use Hostparm;
29 package body Stylesw is
31 -------------------------------
32 -- Reset_Style_Check_Options --
33 -------------------------------
35 procedure Reset_Style_Check_Options is
37 Style_Check_Indentation := 0;
38 Style_Check_Array_Attribute_Index := False;
39 Style_Check_Attribute_Casing := False;
40 Style_Check_Blanks_At_End := False;
41 Style_Check_Blank_Lines := False;
42 Style_Check_Comments := False;
43 Style_Check_DOS_Line_Terminator := False;
44 Style_Check_End_Labels := False;
45 Style_Check_Form_Feeds := False;
46 Style_Check_Horizontal_Tabs := False;
47 Style_Check_If_Then_Layout := False;
48 Style_Check_Keyword_Casing := False;
49 Style_Check_Layout := False;
50 Style_Check_Max_Line_Length := False;
51 Style_Check_Max_Nesting_Level := False;
52 Style_Check_Mode_In := False;
53 Style_Check_Order_Subprograms := False;
54 Style_Check_Pragma_Casing := False;
55 Style_Check_References := False;
56 Style_Check_Separate_Stmt_Lines := False;
57 Style_Check_Specs := False;
58 Style_Check_Standard := False;
59 Style_Check_Tokens := False;
60 Style_Check_Xtra_Parens := False;
61 end Reset_Style_Check_Options;
63 ------------------------------
64 -- Save_Style_Check_Options --
65 ------------------------------
67 procedure Save_Style_Check_Options (Options : out Style_Check_Options) is
70 procedure Add (C : Character; S : Boolean);
71 -- Add given character C to string if switch S is true
73 procedure Add_Nat (N : Nat);
74 -- Add given natural number to string
80 procedure Add (C : Character; S : Boolean) is
92 procedure Add_Nat (N : Nat) is
99 Options (P) := Character'Val (Character'Pos ('0') + N mod 10);
102 -- Start of processing for Save_Style_Check_Options
105 for K in Options'Range loop
109 Add (Character'Val (Style_Check_Indentation + Character'Pos ('0')),
110 Style_Check_Indentation /= 0);
112 Add ('a', Style_Check_Attribute_Casing);
113 Add ('A', Style_Check_Array_Attribute_Index);
114 Add ('b', Style_Check_Blanks_At_End);
115 Add ('c', Style_Check_Comments);
116 Add ('d', Style_Check_DOS_Line_Terminator);
117 Add ('e', Style_Check_End_Labels);
118 Add ('f', Style_Check_Form_Feeds);
119 Add ('h', Style_Check_Horizontal_Tabs);
120 Add ('i', Style_Check_If_Then_Layout);
121 Add ('I', Style_Check_Mode_In);
122 Add ('k', Style_Check_Keyword_Casing);
123 Add ('l', Style_Check_Layout);
124 Add ('n', Style_Check_Standard);
125 Add ('o', Style_Check_Order_Subprograms);
126 Add ('p', Style_Check_Pragma_Casing);
127 Add ('r', Style_Check_References);
128 Add ('s', Style_Check_Specs);
129 Add ('S', Style_Check_Separate_Stmt_Lines);
130 Add ('t', Style_Check_Tokens);
131 Add ('u', Style_Check_Blank_Lines);
132 Add ('x', Style_Check_Xtra_Parens);
134 if Style_Check_Max_Line_Length then
137 Add_Nat (Style_Max_Line_Length);
140 if Style_Check_Max_Nesting_Level then
143 Add_Nat (Style_Max_Nesting_Level);
146 pragma Assert (P <= Options'Last);
148 while P < Options'Last loop
152 end Save_Style_Check_Options;
154 -------------------------------------
155 -- Set_Default_Style_Check_Options --
156 -------------------------------------
158 procedure Set_Default_Style_Check_Options is
160 Reset_Style_Check_Options;
161 Set_Style_Check_Options ("3aAbcefhiklmnprst");
162 end Set_Default_Style_Check_Options;
164 ----------------------------------
165 -- Set_GNAT_Style_Check_Options --
166 ----------------------------------
168 procedure Set_GNAT_Style_Check_Options is
170 Reset_Style_Check_Options;
171 Set_Style_Check_Options ("3aAbcdefhiklmnprsStux");
172 end Set_GNAT_Style_Check_Options;
174 -----------------------------
175 -- Set_Style_Check_Options --
176 -----------------------------
178 -- Version used when no error checking is required
180 procedure Set_Style_Check_Options (Options : String) is
184 Set_Style_Check_Options (Options, OK, EC);
186 end Set_Style_Check_Options;
188 -- Normal version with error checking
190 procedure Set_Style_Check_Options
193 Err_Col : out Natural)
197 procedure Add_Img (N : Natural);
198 -- Concatenates image of N at end of Style_Msg_Buf
200 procedure Bad_Style_Switch (Msg : String);
201 -- Called if bad style switch found. Msg is mset in Style_Msg_Buf and
202 -- Style_Msg_Len. OK is set False.
208 procedure Add_Img (N : Natural) is
214 Style_Msg_Len := Style_Msg_Len + 1;
215 Style_Msg_Buf (Style_Msg_Len) :=
216 Character'Val (N mod 10 + Character'Pos ('0'));
219 ----------------------
220 -- Bad_Style_Switch --
221 ----------------------
223 procedure Bad_Style_Switch (Msg : String) is
226 Style_Msg_Len := Msg'Length;
227 Style_Msg_Buf (1 .. Style_Msg_Len) := Msg;
228 end Bad_Style_Switch;
230 -- Start of processing for Set_Style_Check_Options
233 Err_Col := Options'First;
234 while Err_Col <= Options'Last loop
235 C := Options (Err_Col);
236 Err_Col := Err_Col + 1;
240 Style_Check_Indentation :=
241 Character'Pos (C) - Character'Pos ('0');
244 Style_Check_Attribute_Casing := True;
247 Style_Check_Array_Attribute_Index := True;
250 Style_Check_Blanks_At_End := True;
253 Style_Check_Comments := True;
256 Style_Check_DOS_Line_Terminator := True;
259 Style_Check_End_Labels := True;
262 Style_Check_Form_Feeds := True;
265 Set_GNAT_Style_Check_Options;
268 Style_Check_Horizontal_Tabs := True;
271 Style_Check_If_Then_Layout := True;
274 Style_Check_Mode_In := True;
277 Style_Check_Keyword_Casing := True;
280 Style_Check_Layout := True;
283 Style_Max_Nesting_Level := 0;
285 if Err_Col > Options'Last
286 or else Options (Err_Col) not in '0' .. '9'
288 Bad_Style_Switch ("invalid nesting level");
293 Style_Max_Nesting_Level :=
294 Style_Max_Nesting_Level * 10 +
295 Character'Pos (Options (Err_Col)) - Character'Pos ('0');
297 if Style_Max_Nesting_Level > 999 then
299 ("max nesting level (999) exceeded in style check");
303 Err_Col := Err_Col + 1;
304 exit when Err_Col > Options'Last
305 or else Options (Err_Col) not in '0' .. '9';
308 Style_Check_Max_Nesting_Level := Style_Max_Nesting_Level /= 0;
311 Style_Check_Max_Line_Length := True;
312 Style_Max_Line_Length := 79;
315 Style_Max_Line_Length := 0;
317 if Err_Col > Options'Last
318 or else Options (Err_Col) not in '0' .. '9'
321 ("invalid line length in style check");
326 Style_Max_Line_Length :=
327 Style_Max_Line_Length * 10 +
328 Character'Pos (Options (Err_Col)) - Character'Pos ('0');
330 if Style_Max_Line_Length > Int (Max_Line_Length) then
332 Style_Msg_Buf (1 .. 27) := "max line length allowed is ";
334 Add_Img (Natural (Max_Line_Length));
338 Err_Col := Err_Col + 1;
339 exit when Err_Col > Options'Last
340 or else Options (Err_Col) not in '0' .. '9';
343 Style_Check_Max_Line_Length := Style_Max_Line_Length /= 0;
346 Style_Check_Standard := True;
349 Reset_Style_Check_Options;
352 Style_Check_Order_Subprograms := True;
355 Style_Check_Pragma_Casing := True;
358 Style_Check_References := True;
361 Style_Check_Specs := True;
364 Style_Check_Separate_Stmt_Lines := True;
367 Style_Check_Tokens := True;
370 Style_Check_Blank_Lines := True;
373 Style_Check_Xtra_Parens := True;
379 Err_Col := Err_Col - 1;
380 Style_Msg_Buf (1 .. 22) := "invalid style switch: ";
382 Style_Msg_Buf (Style_Msg_Len) := C;
390 end Set_Style_Check_Options;