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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214 | -- HAC: command-line build and execution tool for HAC (HAC Ada Compiler)
-- Usage, license etc. : see `Help` below and the HAC_Sys package (hac_sys.ads).
-- For a small version, see HAC_Mini (hac_mini.adb).
--
with HAC_Pkg;
with HAC_Sys.Builder,
HAC_Sys.Co_Defs,
HAC_Sys.Defs,
HAC_Sys.PCode.Interpreter.In_Defs;
with HAT;
with Ada.Calendar,
Ada.Command_Line,
Ada.Text_IO.Text_Streams;
procedure HAC is
cmp_dump_file_name : HAT.VString;
asm_dump : Boolean := False;
remarks : HAC_Sys.Defs.Remark_Set := HAC_Sys.Defs.default_remarks;
use HAC_Pkg;
procedure Compile_and_interpret_file (Ada_file_name : String; arg_pos : Positive) is
use Ada.Calendar, Ada.Text_IO;
f : Ada.Text_IO.File_Type;
t1, t2 : Ada.Calendar.Time;
BD : HAC_Sys.Builder.Build_Data;
shebang_offset : Natural;
trace : constant HAC_Sys.Co_Defs.Compilation_Trace_Parameters :=
(pipe => null,
progress => Compilation_Feedback'Access,
detail_level => verbosity);
begin
main_Ada_file_name := HAT.To_VString (Ada_file_name);
if verbosity > 1 then
New_Line;
Put_Line (HAC_margin_1 & "HAC is free and open-source. Type ""hac"" for license.");
end if;
Open (f, In_File, Ada_file_name);
HAC_Sys.Builder.Skip_Shebang (f, shebang_offset);
BD.Set_Diagnostic_Parameters (asm_dump, HAT.To_String (cmp_dump_file_name));
BD.Set_Remark_Set (remarks);
BD.Set_Main_Source_Stream (Text_Streams.Stream (f), Ada_file_name, shebang_offset);
BD.Set_Message_Feedbacks (trace);
BD.Set_Target (target);
BD.LD.Set_Source_Access
(Exists_Source'Access,
Open_Source'Access,
Close_Source'Access);
t1 := Clock;
BD.Build_Main;
t2 := Clock;
Close (f);
if verbosity >= 2 then
Put_Line (
HAC_margin_2 & "Build finished in" &
Duration'Image (t2 - t1) &
" seconds." &
Integer'Image (BD.Total_Compiled_Lines) & " lines compiled in total."
);
end if;
--
if not BD.Build_Successful then
PLCE ("Errors found, build failed.");
HAC_Pkg.Failure;
return;
end if;
if verbosity >= 2 then
Put_Line (HAC_margin_2 & "Target . : " & BD.CD.target.Name);
Put_Line (HAC_margin_2 & "CPU . . : " & BD.CD.target.CPU);
Put_Line (HAC_margin_2 & "OS . . . : " & BD.CD.target.OS);
--
if BD.CD.Is_HAC_VM then
Put_Line
(HAC_margin_2 & "Object code size:" &
Natural'Image (BD.Object_Code_Size) &
" of" &
Natural'Image (HAC_Sys.Builder.Maximum_Object_Code_Size) &
" Virtual Machine instructions.");
if BD.Folded_Instructions + BD.Specialized_Instructions > 0 then
Put_Line (HAC_margin_2 & "Code optimization:");
Put_Line
(HAC_margin_2 & " " & Natural'Image (BD.Folded_Instructions) &
" instructions folded");
Put_Line
(HAC_margin_2 & " " & Natural'Image (BD.Specialized_Instructions) &
" instructions specialized");
end if;
end if;
end if;
Post_Build (BD);
if compile_only then
return;
end if;
Run (BD, arg_pos);
exception
when Name_Error =>
PLCE
(HAC_margin_3 &
"Error: file """ & Ada_file_name &
""" not found (perhaps in exm or test subdirectory ?)");
HAC_Pkg.Failure;
end Compile_and_interpret_file;
hac_ing : Boolean := False;
quit : Boolean := False;
help_level : Positive := 1;
procedure Argument_Error (msg : String) is
begin
PLCE (msg);
NLCE;
quit := True;
delay 1.0;
end Argument_Error;
procedure Process_Argument (arg : String; arg_pos : Positive) is
opt : constant String := arg (arg'First + 1 .. arg'Last);
unknown_warning : Boolean;
use HAT;
begin
if arg (arg'First) = '-' then
if opt'Length = 0 then
Argument_Error ("Missing option code after '-'");
return;
end if;
case opt (opt'First) is
when 'a' =>
asm_dump := True;
when 'c' =>
compile_only := True;
when 'd' =>
cmp_dump_file_name := To_VString (compiler_dump_name);
when 'h' =>
if opt'Length > 1 and then opt (opt'First + 1) = '2' then
help_level := 2;
end if;
quit := True;
when 't' =>
if opt'Length = 1 then
Argument_Error ("Missing target");
else
declare
new_target_name : constant String := opt (opt'First + 1 .. opt'Last);
begin
Set_Target (new_target_name);
exception
when Constraint_Error =>
Argument_Error ("Unknown target " & new_target_name);
end;
end if;
when 'w' =>
if opt'Length = 1 then
Argument_Error ("Missing warning / note switch");
else
unknown_warning := True;
for w in HAC_Sys.Defs.Compile_Remark loop
if HAC_Sys.Defs.remark_letter (w) = opt (opt'First + 1) then
remarks (w) := True;
unknown_warning := False;
elsif To_Upper (HAC_Sys.Defs.remark_letter (w)) = opt (opt'First + 1) then
remarks (w) := False;
unknown_warning := False;
end if;
end loop;
if unknown_warning then
Argument_Error ("Unknown warning / note switch '" & opt (opt'First + 1) & ''');
end if;
end if;
when 'I' =>
if command_line_source_path /= "" then
command_line_source_path := command_line_source_path & ';';
end if;
command_line_source_path :=
command_line_source_path & To_VString (opt (opt'First + 1 .. opt'Last));
when 'v' =>
verbosity := 1;
if opt'Length > 1 and then opt (opt'First + 1) in '0' .. '9' then
verbosity := Character'Pos (opt (opt'First + 1)) - Character'Pos ('0');
end if;
when others =>
Argument_Error ("Unknown option: """ & arg & '"');
end case;
else
Compile_and_interpret_file (arg, arg_pos);
hac_ing := True;
quit := True; -- The other arguments are for the HAC program.
end if;
end Process_Argument;
use Ada.Command_Line;
begin
for i in 1 .. Argument_Count loop
Process_Argument (Argument (i), i);
exit when quit;
end loop;
if not hac_ing then
Help (help_level);
if verbosity > 1 then
Ada.Text_IO.Put_Line ("Size of a HAC VM memory unit:" &
Integer'Image (HAC_Sys.PCode.Interpreter.In_Defs.Data_Type'Size / 8) &
" bytes"
);
end if;
end if;
end HAC;
|