-
Notifications
You must be signed in to change notification settings - Fork 0
/
crash.m
173 lines (112 loc) · 4.79 KB
/
crash.m
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
function crash(crash_type, crash_indicator, language)
%CRASH is a script to crash MATLAB provided that MEX is configured for `language` and
% `crash_indicator` is absent or set to true. There are two types of crashes:
% 1. if crash_type == 'setup', then `mex('-setup', language)` crashes;
% 2. if crash_type == 'mex', then `mex(timestwo_src, '-outdir', build_dir)` crashes.
% Parse the input.
if nargin < 1 || ~(isa(crash_type, 'char') || isa(crash_type, 'str'))
crash_type = 'setup';
end
cind = (nargin < 2 || crash_indicator);
if nargin < 3 || ~(isa(language, 'char') || isa(language, 'str'))
language = 'C';
end
% Locate the official example for MEX provided by MathWorks.
if strcmpi(language, 'Fortran')
timestwo_src_name = 'timestwo.F';
elseif strcmpi(language, 'C') || strcmpi(language, 'C++')
timestwo_src_name = 'timestwo.c';
else
error('Unknown language: %s', language);
end
official_timestwo_src = fullfile(matlabroot, 'extern', 'examples', 'refbook', timestwo_src_name);
% Directories.
% The test directory.
test_dir = pwd();
% The source directory.
src_dir = fullfile(test_dir, 'src');
if exist(src_dir, 'dir')
rmdir(src_dir, 's');
elseif exist(src_dir, 'file')
delete(src_dir);
end
% The build directory.
build_dir = fullfile(test_dir, 'build');
if exist(build_dir, 'dir')
rmdir(build_dir, 's');
elseif exist(build_dir, 'file')
delete(build_dir);
end
% Conduct the tests.
for itest = 1 : 2
fprintf('\n************************* Test %d starts. *************************\n', itest);
mkdir(src_dir);
fprintf('\nCopy the official `%s` to the source directory ... ', timestwo_src_name);
timestwo_src = fullfile(src_dir, timestwo_src_name);
copyfile(official_timestwo_src, timestwo_src, 'f');
fileattrib(timestwo_src, '+w');
fprintf('Done.\n');
if cind
% Create in the source directory a file with the same name as the mexified `timestwo`.
fake_mex_file_name = ['timestwo.', mexext];
fake_mex_file = fullfile(src_dir, fake_mex_file_name);
fprintf('\nCreate a fake %s file in the source directory ... ', fake_mex_file_name);
fclose(fopen(fake_mex_file, 'w'));
fprintf('Done.\n');
end
compile(src_dir, build_dir, timestwo_src_name, crash_type);
fprintf('\nWhich `timestwo`?\n');
which('timestwo')
fprintf('\nEvaluate `timestwo(1)` ... ');
timestwo(1)
fprintf('************************** Test %d ends. **************************\n\n', itest);
end
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function compile(src_dir, build_dir, timestwo_src_name, crash_type)
%COMPILE is a script that copies the source files from src_dir to build_dir and then compile them.
% Decide the language being tested.
if endsWith(timestwo_src_name, 'F')
language = 'Fortran';
elseif endsWith(timestwo_src_name, 'c')
language = 'C';
else
error('Unknown source file name %s', timestwo_src_name)
end
% Copy the source files and set up MEX. The order decides what kind of crash will occur.
switch crash_type
case 'setup' % First copy the source files from `src_dir` to `build_dir`, and then set up MEX.
fprintf('\nCopy the source directory to the build directory ... ');
copy_src(src_dir, build_dir);
fprintf('Done.\n');
fprintf('\nConfigure MEX for compiling %s ...\n', language);
mex('-setup', language);
fprintf('Done.\n');
case 'mex' % First set up MEX, and then copy the source files from `src_dir` to `build_dir`.
fprintf('\nConfigure MEX for compiling %s ...\n', language);
mex('-setup', language);
fprintf('Done.\n');
fprintf('\nCopy the source directory to the build directory ... ');
copy_src(src_dir, build_dir);
fprintf('Done.\n');
otherwise
error('Unknown crash type %s', crash_type);
end
% Compilation.
fprintf('\nCompile `%s` ... \n', timestwo_src_name);
timestwo_src = fullfile(build_dir, timestwo_src_name);
mex(timestwo_src, '-outdir', build_dir);
addpath(build_dir);
fprintf('Done.\n');
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function copy_src(src_dir, build_dir)
%restoredefaultpath; % `restoredefaultpath` or `rmpath(build_dir)` alone can NOT fix the crash
%clear('timestwo'); % This line alone can fix the crash
%delete(fullfile(src_dir, ['timestwo.', mexext])); % This line alone can fix the crash
%if exist(build_dir, 'dir'); delete(fullfile(build_dir, ['timestwo.', mexext])); end % This line alone can fix the crash
copyfile(src_dir, build_dir, 'f');
%clear('timestwo') % This line alone can NOT fix the crash
%delete(fullfile(src_dir, ['timestwo.', mexext])); % This line alone can NOT fix the crash
%delete(fullfile(build_dir, ['timestwo.', mexext])); % This line alone can NOT fix the crash
end