Mercurial > octave
view libinterp/parse-tree/pt-binop.h @ 22022:278fc29b69ca
maint: Eliminate unnecessary double newline blocks (only whitespace changes).
* Figure.cc, annotation-dialog.cc, dialog.cc, dialog.h, files-dock-widget.cc,
find-files-dialog.cc, find-files-model.cc, file-editor-tab.cc, file-editor.cc,
find-dialog.cc, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc,
main-window.h, octave-cmd.cc, octave-cmd.h, octave-dock-widget.cc,
octave-qt-link.cc, parser.h, webinfo.cc, settings-dialog.cc,
shortcut-manager.cc, shortcut-manager.h, welcome-wizard.cc, workspace-model.cc,
__ilu__.cc, __lin_interpn__.cc, besselj.cc, bsxfun.cc, cellfun.cc, conv2.cc,
data.cc, debug.cc, debug.h, dynamic-ld.cc, fft2.cc, file-io.cc,
ft-text-renderer.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h,
help.cc, jit-typeinfo.cc, jit-typeinfo.h, kron.cc, ls-ascii-helper.cc,
ls-hdf5.cc, ls-hdf5.h, ls-mat5.cc, max.cc, oct-map.cc, oct-map.h,
oct-stream.cc, octave-link.h, pr-output.cc, pt-jit.cc, qz.cc, sparse-xdiv.cc,
sparse-xpow.cc, strfind.cc, strfns.cc, symtab.h, toplev.cc, toplev.h,
typecast.cc, utils.cc, variables.cc, xdiv.h, xpow.cc, xpow.h, zfstream.cc,
__eigs__.cc, __init_fltk__.cc, audioread.cc, ccolamd.cc, chol.cc, qr.cc,
ov-base-diag.cc, ov-base-int.cc, ov-base-sparse.cc, ov-base.cc, ov-base.h,
ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc,
ov-bool.h, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-class.cc, ov-class.h,
ov-classdef.cc, ov-complex.cc, ov-complex.h, ov-cs-list.cc, ov-cs-list.h,
ov-cx-diag.cc, ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc,
ov-cx-sparse.h, ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.h, ov-fcn-inline.h,
ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h,
ov-flt-cx-diag.cc, ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h,
ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-intx.h, ov-lazy-idx.cc, ov-lazy-idx.h,
ov-mex-fcn.h, ov-null-mat.h, ov-perm.cc, ov-perm.h, ov-range.cc, ov-range.h,
ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-sparse.cc, ov-re-sparse.h,
ov-scalar.cc, ov-scalar.h, ov-str-mat.h, ov-struct.cc, ov-struct.h,
ov-type-conv.h, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc,
ov-usr-fcn.cc, ov-usr-fcn.h, ov.h, op-cm-m.cc, op-fcm-fm.cc, op-fm-fm.cc,
op-int.h, op-m-m.cc, op-pm-template.cc, pt-binop.h, pt-select.cc, pt-stmt.cc,
pt-unop.h, Array-util.cc, Array.cc, Array.h, CColVector.cc, CMatrix.cc,
CMatrix.h, CSparse.cc, MArray.cc, MSparse.cc, MatrixType.cc, PermMatrix.cc,
Range.cc, Sparse-C.cc, Sparse.cc, dMatrix.cc, dim-vector.h, fCColVector.cc,
fCMatrix.cc, fMatrix.cc, fMatrix.h, idx-vector.cc, idx-vector.h, blaswrap.c,
f77-fcn.h, DASPK.cc, eigs-base.cc, hess.cc, lo-specfun.cc, oct-fftw.cc,
oct-norm.cc, oct-rand.cc, oct-rand.h, qr.cc, qrp.cc, randmtzig.cc,
randpoisson.cc, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, Sparse-op-defs.h,
mx-inlines.cc, oct-env.h, cmd-edit.cc, f2c-main.c, lo-array-errwarn.cc,
lo-array-errwarn.h, lo-array-gripes.cc, lo-array-gripes.h, lo-ieee.h,
lo-regexp.cc, oct-binmap.h, oct-inttypes.cc, oct-inttypes.h, oct-sort.cc,
oct-sort.h, mkoctfile.in.cc:
maint: Eliminate unnecessary double newline blocks (only whitespace changes).
author | Rik <rik@octave.org> |
---|---|
date | Fri, 01 Jul 2016 19:48:35 -0700 |
parents | 1473547f50f5 |
children | bac0d6f07a3e |
line wrap: on
line source
/* Copyright (C) 1996-2015 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if ! defined (octave_pt_binop_h) #define octave_pt_binop_h 1 #include "octave-config.h" #include <string> class tree_walker; class octave_value; class octave_value_list; class octave_lvalue; #include "ov.h" #include "pt-exp.h" #include "symtab.h" // Binary expressions. class tree_binary_expression : public tree_expression { public: tree_binary_expression (int l = -1, int c = -1, octave_value::binary_op t = octave_value::unknown_binary_op) : tree_expression (l, c), op_lhs (0), op_rhs (0), etype (t), eligible_for_braindead_shortcircuit (false), braindead_shortcircuit_warning_issued (false) { } tree_binary_expression (tree_expression *a, tree_expression *b, int l = -1, int c = -1, octave_value::binary_op t = octave_value::unknown_binary_op) : tree_expression (l, c), op_lhs (a), op_rhs (b), etype (t), eligible_for_braindead_shortcircuit (false), braindead_shortcircuit_warning_issued (false) { } ~tree_binary_expression (void) { delete op_lhs; delete op_rhs; } void mark_braindead_shortcircuit (void) { if (etype == octave_value::op_el_and || etype == octave_value::op_el_or) { eligible_for_braindead_shortcircuit = true; op_lhs->mark_braindead_shortcircuit (); op_rhs->mark_braindead_shortcircuit (); } } bool has_magic_end (void) const { return ((op_lhs && op_lhs->has_magic_end ()) || (op_rhs && op_rhs->has_magic_end ())); } bool is_binary_expression (void) const { return true; } bool rvalue_ok (void) const { return true; } octave_value rvalue1 (int nargout = 1); octave_value_list rvalue (int nargout); std::string oper (void) const; octave_value::binary_op op_type (void) const { return etype; } tree_expression *lhs (void) { return op_lhs; } tree_expression *rhs (void) { return op_rhs; } tree_expression *dup (symbol_table::scope_id scope, symbol_table::context_id context) const; void accept (tree_walker& tw); std::string profiler_name (void) const { return "binary " + oper (); } protected: // The operands for the expression. tree_expression *op_lhs; tree_expression *op_rhs; private: // The type of the expression. octave_value::binary_op etype; // TRUE if this is an | or & expression in the condition of an IF // or WHILE statement. bool eligible_for_braindead_shortcircuit; // TRUE if we have already issued a warning about short circuiting // for this operator. bool braindead_shortcircuit_warning_issued; void matlab_style_short_circuit_warning (const char *op); // No copying! tree_binary_expression (const tree_binary_expression&); tree_binary_expression& operator = (const tree_binary_expression&); }; // Boolean expressions. class tree_boolean_expression : public tree_binary_expression { public: enum type { unknown, bool_and, bool_or }; tree_boolean_expression (int l = -1, int c = -1, type t = unknown) : tree_binary_expression (l, c), etype (t) { } tree_boolean_expression (tree_expression *a, tree_expression *b, int l = -1, int c = -1, type t = unknown) : tree_binary_expression (a, b, l, c), etype (t) { } ~tree_boolean_expression (void) { } bool is_boolean_expression (void) const { return true; } bool rvalue_ok (void) const { return true; } octave_value rvalue1 (int nargout = 1); octave_value_list rvalue (int nargout); std::string oper (void) const; type op_type (void) const { return etype; } tree_expression *dup (symbol_table::scope_id scope, symbol_table::context_id context) const; private: // The type of the expression. type etype; // No copying! tree_boolean_expression (const tree_boolean_expression&); tree_boolean_expression& operator = (const tree_boolean_expression&); }; #endif