Mercurial > octave
annotate liboctave/util/unwind-prot.h @ 20791:f7084eae3318
maint: Use Octave coding conventions for #if statements.
* mk-opts.pl, dialog.h, find-files-dialog.h, find-files-model.h,
file-editor-tab.h, octave-qscintilla.h, octave-txt-lexer.h, main-window.h,
octave-cmd.h, octave-dock-widget.h, octave-gui.h, thread-manager.h,
workspace-model.h, workspace-view.h, builtins.h, Cell.h, bitfcns.cc,
c-file-ptr-stream.h, cdisplay.h, comment-list.h, cutils.h, data.h, debug.h,
defaults.in.h, defun-dld.h, defun-int.h, defun.h, dirfns.h, display.h,
dynamic-ld.h, error.h, event-queue.h, file-io.h, filter.cc, getrusage.cc,
gl-render.h, gl2ps-renderer.h, graphics.in.h, gripes.h, help.h, hook-fcn.h,
input.h, jit-ir.h, jit-typeinfo.h, jit-util.h, load-path.h, load-save.h,
ls-ascii-helper.h, ls-hdf5.h, ls-mat-ascii.h, ls-mat4.h, ls-mat5.h,
ls-oct-binary.h, ls-oct-text.h, ls-utils.h, oct-errno.h, oct-fstrm.h,
oct-handle.h, oct-hdf5-types.h, oct-hdf5.h, oct-hist.h, oct-iostrm.h,
oct-lvalue.h, oct-map.h, oct-obj.h, oct-prcstrm.h, oct-procbuf.h,
oct-stdstrm.h, oct-stream.h, oct-strstrm.h, oct.h, octave-link.h, pager.h,
pr-output.h, procstream.h, profiler.h, pt-jit.h, sighandlers.cc, sighandlers.h,
siglist.h, sparse-xdiv.h, sparse-xpow.h, symtab.h, syscalls.cc, sysdep.h,
toplev.cc, toplev.h, utils.h, variables.h, workspace-element.h, xdiv.h,
xnorm.h, xpow.h, dmperm.cc, oct-qhull.h, mkbuiltins, oct-conf.in.h,
ov-base-diag.h, ov-base-int.h, ov-base-mat.h, ov-base-scalar.h,
ov-base-sparse.h, ov-base.h, ov-bool-mat.h, ov-bool-sparse.h, ov-bool.h,
ov-builtin.h, ov-cell.h, ov-ch-mat.h, ov-class.h, ov-classdef.h, ov-colon.h,
ov-complex.h, ov-cs-list.h, ov-cx-diag.h, ov-cx-mat.h, ov-cx-sparse.h,
ov-dld-fcn.h, ov-fcn-handle.h, ov-fcn-inline.h, ov-fcn.h, ov-float.h,
ov-flt-complex.h, ov-flt-cx-diag.h, ov-flt-cx-mat.h, ov-flt-re-diag.h,
ov-flt-re-mat.h, ov-int-traits.h, ov-int16.h, ov-int32.h, ov-int64.h,
ov-int8.h, ov-java.h, ov-lazy-idx.h, ov-mex-fcn.h, ov-null-mat.h, ov-perm.h,
ov-range.h, ov-re-diag.h, ov-re-mat.h, ov-re-sparse.h, ov-scalar.h,
ov-str-mat.h, ov-struct.h, ov-type-conv.h, ov-typeinfo.h, ov-uint16.h,
ov-uint32.h, ov-uint64.h, ov-uint8.h, ov-usr-fcn.h, ov.h, octave.h, ops.h,
options-usage.h, lex.h, parse.h, pt-all.h, pt-arg-list.h, pt-array-list.h,
pt-assign.h, pt-binop.h, pt-bp.h, pt-cbinop.h, pt-cell.h, pt-check.h,
pt-classdef.h, pt-cmd.h, pt-colon.h, pt-const.h, pt-decl.h, pt-eval.h,
pt-except.h, pt-exp.h, pt-fcn-handle.h, pt-funcall.h, pt-id.h, pt-idx.h,
pt-jump.h, pt-loop.h, pt-mat.h, pt-misc.h, pt-pr-code.h, pt-select.h,
pt-stmt.h, pt-unop.h, pt-walk.h, pt.h, token.h, version.in.h, Array-util.h,
Array.h, CColVector.h, CDiagMatrix.h, CMatrix.h, CNDArray.h, CRowVector.h,
CSparse.h, DiagArray2.h, MArray-decl.h, MArray-defs.h, MArray.h, MDiagArray2.h,
MSparse.h, Matrix.h, MatrixType.h, PermMatrix.h, Range.h, Sparse.h,
boolMatrix.h, boolNDArray.h, boolSparse.h, chMatrix.h, chNDArray.h,
dColVector.h, dDiagMatrix.h, dMatrix.h, dNDArray.h, dRowVector.h, dSparse.h,
dim-vector.h, fCColVector.h, fCDiagMatrix.h, fCMatrix.h, fCNDArray.h,
fCRowVector.h, fColVector.h, fDiagMatrix.h, fMatrix.h, fNDArray.h,
fRowVector.h, idx-vector.h, int16NDArray.h, int32NDArray.h, int64NDArray.h,
int8NDArray.h, intNDArray.h, uint16NDArray.h, uint32NDArray.h, uint64NDArray.h,
uint8NDArray.h, f77-fcn.h, lo-error.h, quit.h, CmplxAEPBAL.h, CmplxCHOL.h,
CmplxGEPBAL.h, CmplxHESS.h, CmplxLU.h, CmplxQR.h, CmplxQRP.h, CmplxSCHUR.h,
CmplxSVD.h, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h, DAERTFunc.h, DASPK.h,
DASRT.h, DASSL.h, DET.h, EIG.h, LSODE.h, ODE.h, ODEFunc.h, ODES.h, ODESFunc.h,
Quad.h, SparseCmplxCHOL.h, SparseCmplxLU.h, SparseCmplxQR.cc, SparseCmplxQR.h,
SparseQR.h, SparsedbleCHOL.h, SparsedbleLU.h, base-aepbal.h, base-dae.h,
base-de.h, base-lu.h, base-min.h, base-qr.h, bsxfun-decl.h, bsxfun-defs.cc,
bsxfun.h, dbleAEPBAL.h, dbleCHOL.h, dbleGEPBAL.h, dbleHESS.h, dbleLU.h,
dbleQR.h, dbleQRP.h, dbleSCHUR.h, dbleSVD.h, eigs-base.cc, fCmplxAEPBAL.h,
fCmplxCHOL.h, fCmplxGEPBAL.h, fCmplxHESS.h, fCmplxLU.h, fCmplxQR.h,
fCmplxQRP.h, fCmplxSCHUR.h, fCmplxSVD.h, fEIG.h, floatAEPBAL.h, floatCHOL.h,
floatGEPBAL.h, floatHESS.h, floatLU.h, floatQR.h, floatQRP.h, floatSCHUR.h,
floatSVD.h, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h,
oct-convn.h, oct-fftw.h, oct-norm.h, oct-rand.h, oct-spparms.h, randmtzig.c,
sparse-base-chol.h, sparse-base-lu.h, sparse-dmsolve.cc, Sparse-diag-op-defs.h,
Sparse-op-decls.h, Sparse-op-defs.h, Sparse-perm-op-defs.h, mk-ops.awk,
mx-base.h, mx-defs.h, mx-ext.h, mx-inlines.cc, mx-op-decl.h, mx-op-defs.h,
sparse-mk-ops.awk, dir-ops.h, file-ops.h, file-stat.h, lo-sysdep.h,
mach-info.h, oct-env.h, oct-group.h, oct-openmp.h, oct-passwd.h,
oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.h, pathlen.h, sysdir.h,
syswait.h, action-container.h, base-list.h, byte-swap.h, caseless-str.h,
cmd-edit.h, cmd-hist.h, data-conv.h, functor.h, glob-match.h, kpse.cc,
lo-array-gripes.h, lo-cutils.h, lo-ieee.h, lo-macros.h, lo-math.h, lo-regexp.h,
lo-traits.h, lo-utils.h, oct-alloc.h, oct-base64.h, oct-binmap.h, oct-cmplx.h,
oct-glob.h, oct-inttypes.h, oct-locbuf.h, oct-mutex.h, oct-refcount.h,
oct-rl-edit.h, oct-rl-hist.h, oct-shlib.h, oct-sort.h, oct-sparse.h,
pathsearch.h, singleton-cleanup.h, sparse-sort.h, sparse-util.h, statdefs.h,
str-vec.h, sun-utils.h, unwind-prot.h, url-transfer.h:
Use Octave coding conventions for #if statements.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 03 Dec 2015 10:23:38 -0800 |
parents | c547458dc10e |
children | 91a45293b618 |
rev | line source |
---|---|
1 | 1 /* |
2 | |
19697
4197fc428c7d
maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents:
17933
diff
changeset
|
3 Copyright (C) 1993-2015 John W. Eaton |
11523 | 4 Copyright (C) 2009-2010 VZLU Prague |
1 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
9 under the terms of the GNU General Public License as published by the | |
7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
11 option) any later version. | |
1 | 12 |
13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
1 | 21 |
22 */ | |
23 | |
20791
f7084eae3318
maint: Use Octave coding conventions for #if statements.
Rik <rik@octave.org>
parents:
20545
diff
changeset
|
24 #if ! defined (octave_unwind_prot_h) |
383 | 25 #define octave_unwind_prot_h 1 |
1 | 26 |
17552
d07d59cc8775
move unwind-protect to liboctave
John W. Eaton <jwe@octave.org>
parents:
16892
diff
changeset
|
27 #include <cstddef> |
d07d59cc8775
move unwind-protect to liboctave
John W. Eaton <jwe@octave.org>
parents:
16892
diff
changeset
|
28 |
15396 | 29 #include <stack> |
9394
b3ab22ee8544
further improve unwind_protect
Jaroslav Hajek <highegg@gmail.com>
parents:
9384
diff
changeset
|
30 #include <memory> |
240 | 31 |
15396 | 32 #include "action-container.h" |
33 | |
2985 | 34 class |
17933
14a5493a78c8
Fix use of XXX_API macros and export more symbols from liboctave.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17769
diff
changeset
|
35 OCTAVE_API |
15396 | 36 unwind_protect : public action_container |
2985 | 37 { |
38 public: | |
39 | |
15396 | 40 unwind_protect (void) : lifo () { } |
9394
b3ab22ee8544
further improve unwind_protect
Jaroslav Hajek <highegg@gmail.com>
parents:
9384
diff
changeset
|
41 |
15396 | 42 // Destructor should not raise an exception, so all actions |
20545
c547458dc10e
eliminate error_state from most header files
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
43 // registered should be exception-safe. If you're not sure, see |
c547458dc10e
eliminate error_state from most header files
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
44 // unwind_protect_safe. |
9396
17af7cce7d1b
yet more unwind_protect improvements
Jaroslav Hajek <highegg@gmail.com>
parents:
9394
diff
changeset
|
45 |
15396 | 46 ~unwind_protect (void) { run (); } |
10781
f7584d0ba5d3
allow unwind_protect register actions with const T& args
Jaroslav Hajek <highegg@gmail.com>
parents:
10343
diff
changeset
|
47 |
15396 | 48 virtual void add (elem *new_elem) |
10781
f7584d0ba5d3
allow unwind_protect register actions with const T& args
Jaroslav Hajek <highegg@gmail.com>
parents:
10343
diff
changeset
|
49 { |
15396 | 50 lifo.push (new_elem); |
51 } | |
12122
f4689107dd8c
Explicitly disallow copying in some classes.
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
52 |
15396 | 53 void add (void (*fcn) (void *), void *ptr = 0) GCC_ATTR_DEPRECATED |
9376
d58086453171
refactor unwind_protect
Jaroslav Hajek <highegg@gmail.com>
parents:
8920
diff
changeset
|
54 { |
15396 | 55 add (new fcn_arg_elem<void *> (fcn, ptr)); |
56 } | |
12122
f4689107dd8c
Explicitly disallow copying in some classes.
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
57 |
15396 | 58 operator bool (void) const { return ! empty (); } |
9376
d58086453171
refactor unwind_protect
Jaroslav Hajek <highegg@gmail.com>
parents:
8920
diff
changeset
|
59 |
15396 | 60 void run_top (void) GCC_ATTR_DEPRECATED { run_first (); } |
9394
b3ab22ee8544
further improve unwind_protect
Jaroslav Hajek <highegg@gmail.com>
parents:
9384
diff
changeset
|
61 |
15396 | 62 void run_first (void) |
63 { | |
64 if (! empty ()) | |
65 { | |
66 // No leak on exception! | |
67 std::auto_ptr<elem> ptr (lifo.top ()); | |
68 lifo.pop (); | |
69 ptr->run (); | |
70 } | |
71 } | |
9396
17af7cce7d1b
yet more unwind_protect improvements
Jaroslav Hajek <highegg@gmail.com>
parents:
9394
diff
changeset
|
72 |
15396 | 73 void run_top (int num) GCC_ATTR_DEPRECATED { run (num); } |
9396
17af7cce7d1b
yet more unwind_protect improvements
Jaroslav Hajek <highegg@gmail.com>
parents:
9394
diff
changeset
|
74 |
15396 | 75 void discard_top (void) GCC_ATTR_DEPRECATED { discard_first (); } |
9394
b3ab22ee8544
further improve unwind_protect
Jaroslav Hajek <highegg@gmail.com>
parents:
9384
diff
changeset
|
76 |
15396 | 77 void discard_first (void) |
78 { | |
79 if (! empty ()) | |
80 { | |
81 elem *ptr = lifo.top (); | |
82 lifo.pop (); | |
83 delete ptr; | |
84 } | |
85 } | |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9396
diff
changeset
|
86 |
15396 | 87 void discard_top (int num) GCC_ATTR_DEPRECATED { discard (num); } |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9396
diff
changeset
|
88 |
15396 | 89 size_t size (void) const { return lifo.size (); } |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9396
diff
changeset
|
90 |
15396 | 91 protected: |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9396
diff
changeset
|
92 |
15396 | 93 std::stack<elem *> lifo; |
9376
d58086453171
refactor unwind_protect
Jaroslav Hajek <highegg@gmail.com>
parents:
8920
diff
changeset
|
94 |
d58086453171
refactor unwind_protect
Jaroslav Hajek <highegg@gmail.com>
parents:
8920
diff
changeset
|
95 private: |
d58086453171
refactor unwind_protect
Jaroslav Hajek <highegg@gmail.com>
parents:
8920
diff
changeset
|
96 |
12122
f4689107dd8c
Explicitly disallow copying in some classes.
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
97 // No copying! |
f4689107dd8c
Explicitly disallow copying in some classes.
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
98 |
f4689107dd8c
Explicitly disallow copying in some classes.
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
99 unwind_protect (const unwind_protect&); |
f4689107dd8c
Explicitly disallow copying in some classes.
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
100 |
f4689107dd8c
Explicitly disallow copying in some classes.
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents:
11586
diff
changeset
|
101 unwind_protect& operator = (const unwind_protect&); |
2985 | 102 }; |
103 | |
15396 | 104 // Like unwind_protect, but this one will guard against the |
105 // possibility of seeing an exception (or interrupt) in the cleanup | |
106 // actions. Not that we can do much about it, but at least we won't | |
107 // crash. | |
2985 | 108 |
10343
2ef5144ccb0d
Add few OCTINTERP_API tags.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10160
diff
changeset
|
109 class |
17933
14a5493a78c8
Fix use of XXX_API macros and export more symbols from liboctave.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
17769
diff
changeset
|
110 OCTAVE_API |
10343
2ef5144ccb0d
Add few OCTINTERP_API tags.
Michael Goffioul <michael.goffioul@gmail.com>
parents:
10160
diff
changeset
|
111 unwind_protect_safe : public unwind_protect |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9396
diff
changeset
|
112 { |
15396 | 113 private: |
114 | |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9396
diff
changeset
|
115 static void gripe_exception (void); |
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
116 |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9396
diff
changeset
|
117 public: |
15396 | 118 |
119 unwind_protect_safe (void) : unwind_protect () { } | |
120 | |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9396
diff
changeset
|
121 ~unwind_protect_safe (void) |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
122 { |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
123 while (! empty ()) |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
124 { |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
125 try |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
126 { |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
127 run_first (); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
128 } |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
129 catch (...) // Yes, the black hole. Remember we're in a dtor. |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
130 { |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
131 gripe_exception (); |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
132 } |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
133 } |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
134 } |
15396 | 135 |
136 private: | |
137 | |
138 // No copying! | |
139 | |
140 unwind_protect_safe (const unwind_protect_safe&); | |
141 | |
142 unwind_protect_safe& operator = (const unwind_protect_safe&); | |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9396
diff
changeset
|
143 }; |
2985 | 144 |
1 | 145 #endif |