Mercurial > octave
annotate libinterp/parse-tree/pt-binop.cc @ 21301:40de9f8f23a6
Use '#include "config.h"' rather than <config.h>.
* mk-octave-config-h.sh, mk-opts.pl, Backend.cc, BaseControl.cc,
ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc,
EditControl.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, KeyMap.cc,
ListBoxControl.cc, Logger.cc, Menu.cc, MouseModeActionGroup.cc, Object.cc,
ObjectFactory.cc, ObjectProxy.cc, Panel.cc, PopupMenuControl.cc,
PushButtonControl.cc, PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc,
SliderControl.cc, TextControl.cc, TextEdit.cc, ToggleButtonControl.cc,
ToggleTool.cc, ToolBar.cc, ToolBarButton.cc, __init_qt__.cc,
annotation-dialog.cc, gl-select.cc, module.mk, kpty.cpp, color-picker.cc,
dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc,
find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc,
file-editor-tab.cc, file-editor-tab.h, file-editor.cc, find-dialog.cc,
marker.cc, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc,
octave-cmd.cc, octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc,
octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc,
settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc,
thread-manager.cc, welcome-wizard.cc, workspace-model.cc, workspace-view.cc,
build-env-features.sh, build-env.in.cc, Cell.cc, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc,
__pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc,
bsxfun.cc, c-file-ptr-stream.cc, cdisplay.c, cellfun.cc, coct-hdf5-types.c,
colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc,
debug.cc, defaults.cc, defun.cc, det.cc, dirfns.cc, display.cc, dlmread.cc,
dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc,
fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc,
gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc,
gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc, help.cc,
hess.cc, hex2num.cc, hook-fcn.cc, input.cc, inv.cc, jit-ir.cc, jit-typeinfo.cc,
jit-util.cc, kron.cc, load-path.cc, load-save.cc, lookup.cc,
ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc,
ls-oct-binary.cc, ls-oct-text.cc, ls-utils.cc, lsode.cc, lu.cc, luinc.cc,
mappers.cc, matrix_type.cc, max.cc, mex.cc, mgorth.cc, nproc.cc,
oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hist.cc, oct-iostrm.cc,
oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc,
oct-strstrm.cc, oct-tex-lexer.in.ll, oct-tex-parser.in.yy, octave-link.cc,
ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc,
psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc,
schur.cc, sighandlers.cc, siglist.c, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc,
spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc, time.cc,
toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc,
variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc, xpow.cc, zfstream.cc,
__delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc,
__init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc,
__voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc,
colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc,
mkbuiltins, mkops, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc,
ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc,
ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc,
ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc,
ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc,
ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc,
ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc,
ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc,
ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, op-b-b.cc, op-b-bm.cc,
op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc,
op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc,
op-fcdm-fdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc,
op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc,
op-fdm-fdm.cc, op-float-conv.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc,
op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc,
op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc,
op-int-conv.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc,
op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc,
op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc,
op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc,
op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc,
op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, lex.ll, oct-parse.in.yy,
pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc,
pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc,
pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc,
pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc,
token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc,
Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc,
Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc,
Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MArray-C.cc,
MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc,
MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MatrixType.cc, PermMatrix.cc,
Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc, boolMatrix.cc,
boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc, dColVector.cc,
dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc,
dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc,
fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc,
fRowVector.cc, idx-vector.cc, int16NDArray.cc, int32NDArray.cc,
int64NDArray.cc, int8NDArray.cc, intNDArray.cc, uint16NDArray.cc,
uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, blaswrap.c, cquit.c,
f77-extern.cc, f77-fcn.c, lo-error.c, quit.cc, CollocWt.cc, DASPK.cc, DASRT.cc,
DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc, chol.cc,
eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc, lo-mappers.cc, lo-specfun.cc,
lu.cc, oct-convn.cc, oct-fftw.cc, oct-norm.cc, oct-rand.cc, oct-spparms.cc,
qr.cc, qrp.cc, randgamma.c, randmtzig.c, randpoisson.c, schur.cc,
sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc,
mk-ops.awk, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc,
oct-env.cc, oct-group.cc, oct-passwd.cc, oct-syscalls.cc, oct-time.cc,
oct-uname.cc, cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c,
glob-match.cc, kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c,
lo-ieee.cc, lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc,
oct-inttypes.cc, oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-hist.c,
oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc,
sparse-util.cc, str-vec.cc, unwind-prot.cc, url-transfer.cc,
display-available.c, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc,
octave-config.in.cc:
Use '#include "config.h"' rather than <config.h>.
| author | Rik <rik@octave.org> |
|---|---|
| date | Thu, 18 Feb 2016 13:34:50 -0800 |
| parents | fcac5dbbf9ed |
| children | aba2e6293dd8 |
| rev | line source |
|---|---|
| 2980 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1996-2015 John W. Eaton |
| 2980 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2980 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 2980 | 20 |
| 21 */ | |
| 22 | |
| 23 #ifdef HAVE_CONFIG_H | |
|
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24 # include "config.h" |
| 2980 | 25 #endif |
| 26 | |
| 27 #include "error.h" | |
|
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28 #include "defun.h" |
|
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29 #include "ovl.h" |
| 2980 | 30 #include "ov.h" |
|
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31 #include "profiler.h" |
| 2980 | 32 #include "pt-binop.h" |
| 3770 | 33 #include "pt-bp.h" |
| 2980 | 34 #include "pt-walk.h" |
|
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35 #include "variables.h" |
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36 |
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37 // TRUE means we mark | and & expressions for braindead short-circuit |
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38 // behavior. |
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39 static bool Vdo_braindead_shortcircuit_evaluation = true; |
| 2980 | 40 |
| 41 // Binary expressions. | |
|
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42 |
| 2980 | 43 octave_value_list |
| 44 tree_binary_expression::rvalue (int nargout) | |
| 45 { | |
| 46 octave_value_list retval; | |
| 47 | |
| 48 if (nargout > 1) | |
|
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49 error ("binary operator '%s': invalid number of output arguments", |
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50 oper ().c_str ()); |
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51 |
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52 retval = rvalue1 (nargout); |
| 2980 | 53 |
| 54 return retval; | |
| 55 } | |
| 56 | |
|
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57 void |
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58 tree_binary_expression::matlab_style_short_circuit_warning (const char *op) |
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59 { |
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60 warning_with_id ("Octave:possible-matlab-short-circuit-operator", |
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61 "Matlab-style short-circuit operation performed for operator %s", |
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62 op); |
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63 |
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64 braindead_shortcircuit_warning_issued = true; |
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65 } |
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66 |
| 2980 | 67 octave_value |
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68 tree_binary_expression::rvalue1 (int) |
| 2980 | 69 { |
| 70 octave_value retval; | |
| 71 | |
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72 if (Vdo_braindead_shortcircuit_evaluation |
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73 && eligible_for_braindead_shortcircuit) |
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74 { |
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75 if (op_lhs) |
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76 { |
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77 octave_value a = op_lhs->rvalue1 (); |
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78 |
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79 if (a.ndims () == 2 && a.rows () == 1 && a.columns () == 1) |
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80 { |
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81 bool result = false; |
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82 |
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83 bool a_true = a.is_true (); |
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84 |
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85 if (a_true) |
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86 { |
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87 if (etype == octave_value::op_el_or) |
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88 { |
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89 matlab_style_short_circuit_warning ("|"); |
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90 return octave_value (true); |
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91 } |
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92 } |
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93 else |
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94 { |
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95 if (etype == octave_value::op_el_and) |
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96 { |
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97 matlab_style_short_circuit_warning ("&"); |
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98 return octave_value (false); |
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99 } |
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100 } |
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101 |
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102 if (op_rhs) |
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103 { |
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104 octave_value b = op_rhs->rvalue1 (); |
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105 |
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106 result = b.is_true (); |
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107 } |
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108 |
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109 return octave_value (result); |
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110 } |
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111 } |
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112 } |
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113 |
| 2980 | 114 if (op_lhs) |
| 115 { | |
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116 octave_value a = op_lhs->rvalue1 (); |
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118 if (a.is_defined () && op_rhs) |
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119 { |
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120 octave_value b = op_rhs->rvalue1 (); |
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122 if (b.is_defined ()) |
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123 { |
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124 BEGIN_PROFILER_BLOCK (tree_binary_expression) |
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125 |
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126 // Note: The profiler does not catch the braindead |
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127 // short-circuit evaluation code above, but that should be |
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128 // ok. The evaluation of operands and the operator itself |
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129 // is entangled and it's not clear where to start/stop |
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130 // timing the operator to make it reasonable. |
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131 |
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132 retval = ::do_binary_op (etype, a, b); |
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134 END_PROFILER_BLOCK |
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135 } |
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136 } |
| 2980 | 137 } |
| 138 | |
| 139 return retval; | |
| 140 } | |
| 141 | |
| 3536 | 142 std::string |
| 2980 | 143 tree_binary_expression::oper (void) const |
| 144 { | |
| 145 return octave_value::binary_op_as_string (etype); | |
| 146 } | |
| 147 | |
| 5861 | 148 tree_expression * |
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149 tree_binary_expression::dup (symbol_table::scope_id scope, |
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150 symbol_table::context_id context) const |
| 5861 | 151 { |
| 152 tree_binary_expression *new_be | |
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153 = new tree_binary_expression (op_lhs ? op_lhs->dup (scope, context) : 0, |
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154 op_rhs ? op_rhs->dup (scope, context) : 0, |
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155 line (), column (), etype); |
| 5861 | 156 |
| 157 new_be->copy_base (*this); | |
| 158 | |
| 159 return new_be; | |
| 160 } | |
| 161 | |
| 2980 | 162 void |
| 163 tree_binary_expression::accept (tree_walker& tw) | |
| 164 { | |
| 165 tw.visit_binary_expression (*this); | |
| 166 } | |
| 167 | |
| 168 // Boolean expressions. | |
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169 |
| 2980 | 170 octave_value_list |
| 171 tree_boolean_expression::rvalue (int nargout) | |
| 172 { | |
| 173 octave_value_list retval; | |
| 174 | |
| 175 if (nargout > 1) | |
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176 error ("binary operator '%s': invalid number of output arguments", |
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177 oper ().c_str ()); |
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178 |
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179 retval = rvalue1 (nargout); |
| 2980 | 180 |
| 181 return retval; | |
| 182 } | |
| 183 | |
| 184 octave_value | |
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185 tree_boolean_expression::rvalue1 (int) |
| 2980 | 186 { |
| 187 octave_value retval; | |
| 188 | |
| 189 bool result = false; | |
| 190 | |
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191 // This evaluation is not caught by the profiler, since we can't find |
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192 // a reasonable place where to time. Note that we don't want to |
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193 // include evaluation of LHS or RHS into the timing, but this is |
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194 // entangled together with short-circuit evaluation here. |
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195 |
| 2980 | 196 if (op_lhs) |
| 197 { | |
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198 octave_value a = op_lhs->rvalue1 (); |
| 2980 | 199 |
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200 bool a_true = a.is_true (); |
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201 |
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202 if (a_true) |
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203 { |
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204 if (etype == bool_or) |
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205 return octave_value (true); |
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206 } |
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207 else |
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208 { |
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209 if (etype == bool_and) |
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210 return octave_value (false); |
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211 } |
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212 |
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213 if (op_rhs) |
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214 { |
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215 octave_value b = op_rhs->rvalue1 (); |
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216 |
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217 result = b.is_true (); |
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218 } |
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219 |
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220 retval = octave_value (result); |
| 2980 | 221 } |
| 222 | |
| 223 return retval; | |
| 224 } | |
| 225 | |
| 3536 | 226 std::string |
| 2980 | 227 tree_boolean_expression::oper (void) const |
| 228 { | |
| 3523 | 229 std::string retval = "<unknown>"; |
| 2980 | 230 |
| 231 switch (etype) | |
| 232 { | |
| 233 case bool_and: | |
| 234 retval = "&&"; | |
| 235 break; | |
| 236 | |
| 237 case bool_or: | |
| 238 retval = "||"; | |
| 239 break; | |
| 240 | |
| 241 default: | |
| 242 break; | |
| 243 } | |
| 244 | |
| 245 return retval; | |
| 246 } | |
| 247 | |
| 5861 | 248 tree_expression * |
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249 tree_boolean_expression::dup (symbol_table::scope_id scope, |
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250 symbol_table::context_id context) const |
| 5861 | 251 { |
| 252 tree_boolean_expression *new_be | |
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253 = new tree_boolean_expression (op_lhs ? op_lhs->dup (scope, context) : 0, |
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254 op_rhs ? op_rhs->dup (scope, context) : 0, |
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255 line (), column (), etype); |
| 5861 | 256 |
| 257 new_be->copy_base (*this); | |
| 258 | |
| 259 return new_be; | |
| 260 } | |
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261 |
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262 DEFUN (do_braindead_shortcircuit_evaluation, args, nargout, |
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263 "-*- texinfo -*-\n\ |
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264 @deftypefn {} {@var{val} =} do_braindead_shortcircuit_evaluation ()\n\ |
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265 @deftypefnx {} {@var{old_val} =} do_braindead_shortcircuit_evaluation (@var{new_val})\n\ |
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266 @deftypefnx {} {} do_braindead_shortcircuit_evaluation (@var{new_val}, \"local\")\n\ |
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267 Query or set the internal variable that controls whether Octave will\n\ |
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268 do short-circuit evaluation of @samp{|} and @samp{&} operators inside the\n\ |
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269 conditions of if or while statements.\n\ |
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270 \n\ |
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271 This feature is only provided for compatibility with @sc{matlab} and should\n\ |
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272 not be used unless you are porting old code that relies on this feature.\n\ |
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273 \n\ |
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274 To obtain short-circuit behavior for logical expressions in new programs,\n\ |
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275 you should always use the @samp{&&} and @samp{||} operators.\n\ |
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276 \n\ |
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277 When called from inside a function with the @qcode{\"local\"} option, the\n\ |
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278 variable is changed locally for the function and any subroutines it calls.\n\ |
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279 The original variable value is restored when exiting the function.\n\ |
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280 @end deftypefn") |
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281 { |
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282 static bool warned = false; |
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283 if (! warned) |
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284 { |
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285 warned = true; |
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286 warning_with_id ("Octave:deprecated-function", |
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287 "do_braindead_shortcircuit_evaluation is obsolete and will be removed from a future version of Octave"); |
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288 } |
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289 |
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290 return SET_INTERNAL_VARIABLE (do_braindead_shortcircuit_evaluation); |
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291 } |
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292 |
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293 /* |
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294 %!test |
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295 %! x = 0; |
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296 %! do_braindead_shortcircuit_evaluation (0); |
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297 %! if (1 | (x = 1)) |
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298 %! endif |
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299 %! assert (x, 1); |
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300 %! do_braindead_shortcircuit_evaluation (1); |
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301 %! if (1 | (x = 0)) |
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302 %! endif |
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303 %! assert (x, 1); |
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304 */ |