annotate libinterp/parse-tree/pt-assign.h @ 21244:1473547f50f5

include octave-config.h in public header files * mk-opts.pl, mkbuiltins, mk-ops.awk, sparse-mk-ops.awk: Emit "#include octave-config.h" statement for generated header files. * build-env.h, builtins.h, Cell.h, base-text-renderer.h, c-file-ptr-stream.h, cdisplay.h, comment-list.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, errwarn.h, event-queue.h, file-io.h, ft-text-renderer.h, gl-render.h, gl2ps-print.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, mex.h, mexproto.h, mxarray.in.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-opengl.h, oct-prcstrm.h, oct-procbuf.h, oct-stdstrm.h, oct-stream.h, oct-strstrm.h, oct.h, octave-default-image.h, octave-link.h, octave-preserve-stream-state.h, pager.h, pr-output.h, procstream.h, profiler.h, pt-jit.h, sighandlers.h, siglist.h, sparse-xdiv.h, sparse-xpow.h, symtab.h, sysdep.h, text-renderer.h, toplev.h, txt-eng.h, utils.h, variables.h, workspace-element.h, xdiv.h, xnorm.h, xpow.h, zfstream.h, oct-qhull.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-intx.h, ov-java.h, ov-lazy-idx.h, ov-mex-fcn.h, ov-null-mat.h, ov-oncleanup.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, ovl.h, octave.h, op-int.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.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, base-aepbal.h, base-dae.h, base-de.h, base-lu.h, base-min.h, base-qr.h, bsxfun-decl.h, bsxfun.h, dbleAEPBAL.h, dbleCHOL.h, dbleGEPBAL.h, dbleHESS.h, dbleLU.h, dbleQR.h, dbleQRP.h, dbleSCHUR.h, dbleSVD.h, eigs-base.h, 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.h, lo-specfun.h, oct-convn.h, oct-fftw.h, oct-norm.h, oct-rand.h, oct-spparms.h, randgamma.h, randmtzig.h, randpoisson.h, sparse-chol.h, sparse-dmsolve.h, sparse-lu.h, sparse-qr.h, Sparse-diag-op-defs.h, Sparse-op-decls.h, Sparse-op-defs.h, Sparse-perm-op-defs.h, mx-base.h, mx-defs.h, mx-ext.h, mx-op-decl.h, mx-op-defs.h, 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.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, lo-array-errwarn.h, 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: Include octave-config.h.
author John W. Eaton <jwe@octave.org>
date Wed, 10 Feb 2016 14:25:53 -0500
parents f7084eae3318
children bac0d6f07a3e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
1 /*
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
2
19697
4197fc428c7d maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
3 Copyright (C) 1996-2015 John W. Eaton
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
4
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
5 This file is part of Octave.
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
6
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
7 Octave is free software; you can redistribute it and/or modify it
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
8 under the terms of the GNU General Public License as published by the
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6253
diff changeset
9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6253
diff changeset
10 option) any later version.
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
11
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
12 Octave is distributed in the hope that it will be useful, but WITHOUT
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
15 for more details.
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
16
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
17 You should have received a copy of the GNU General Public License
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6253
diff changeset
18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6253
diff changeset
19 <http://www.gnu.org/licenses/>.
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
20
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
21 */
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
22
20791
f7084eae3318 maint: Use Octave coding conventions for #if statements.
Rik <rik@octave.org>
parents: 19697
diff changeset
23 #if ! defined (octave_pt_assign_h)
17822
ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files.
Rik <rik@octave.org>
parents: 17787
diff changeset
24 #define octave_pt_assign_h 1
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
25
21244
1473547f50f5 include octave-config.h in public header files
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
26 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files
John W. Eaton <jwe@octave.org>
parents: 20791
diff changeset
27
8950
d865363208d6 include <iosfwd> instead of <iostream> in header files
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
28 #include <iosfwd>
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
29 #include <string>
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
30
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
31 class tree_argument_list;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
32 class tree_walker;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
33
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
34 class octave_value;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
35 class octave_value_list;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
36 class octave_lvalue;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
37
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
38 #include "ov.h"
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
39 #include "pt-exp.h"
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7087
diff changeset
40 #include "symtab.h"
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
41
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
42 // Simple assignment expressions.
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
43
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
44 class
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
45 tree_simple_assignment : public tree_expression
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
46 {
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
47 public:
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
48
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
49 tree_simple_assignment (bool plhs = false, int l = -1, int c = -1,
10313
f3b65e1ae355 untabify src header files
John W. Eaton <jwe@octave.org>
parents: 10230
diff changeset
50 octave_value::assign_op t = octave_value::op_asn_eq)
11584
cda4aa780d58 Another round of initialising members in the constructor initialisation list
Pascal Dupuis <Pascal.Dupuis@uclouvain.be>
parents: 11523
diff changeset
51 : tree_expression (l, c), lhs (0), rhs (0), preserve (plhs), ans_ass (),
16893
8fbc09eded8c Complete removal of warning about assigning to ancient built-in variables.
Rik <rik@octave.org>
parents: 15195
diff changeset
52 etype (t) { }
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
53
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
54 tree_simple_assignment (tree_expression *le, tree_expression *re,
10313
f3b65e1ae355 untabify src header files
John W. Eaton <jwe@octave.org>
parents: 10230
diff changeset
55 bool plhs = false, int l = -1, int c = -1,
f3b65e1ae355 untabify src header files
John W. Eaton <jwe@octave.org>
parents: 10230
diff changeset
56 octave_value::assign_op t = octave_value::op_asn_eq);
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
57
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
58 ~tree_simple_assignment (void);
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
59
4267
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4192
diff changeset
60 bool has_magic_end (void) const { return (rhs && rhs->has_magic_end ()); }
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4192
diff changeset
61
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3527
diff changeset
62 bool rvalue_ok (void) const { return true; }
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
63
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8037
diff changeset
64 octave_value rvalue1 (int nargout = 1);
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
65
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
66 octave_value_list rvalue (int nargout);
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
67
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3527
diff changeset
68 bool is_assignment_expression (void) const { return true; }
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
69
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
70 std::string oper (void) const;
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
71
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
72 tree_expression *left_hand_side (void) { return lhs; }
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
73
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
74 tree_expression *right_hand_side (void) { return rhs; }
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
75
7767
71f068b22fcc scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
76 tree_expression *dup (symbol_table::scope_id scope,
10313
f3b65e1ae355 untabify src header files
John W. Eaton <jwe@octave.org>
parents: 10230
diff changeset
77 symbol_table::context_id context) const;
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5794
diff changeset
78
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
79 void accept (tree_walker& tw);
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
80
7087
b04f0523558d [project @ 2007-10-31 19:08:18 by jwe]
jwe
parents: 7017
diff changeset
81 octave_value::assign_op op_type (void) const { return etype; }
b04f0523558d [project @ 2007-10-31 19:08:18 by jwe]
jwe
parents: 7017
diff changeset
82
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
83 private:
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
84
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
85 void do_assign (octave_lvalue& ult, const octave_value_list& args,
10313
f3b65e1ae355 untabify src header files
John W. Eaton <jwe@octave.org>
parents: 10230
diff changeset
86 const octave_value& rhs_val);
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
87
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
88 void do_assign (octave_lvalue& ult, const octave_value& rhs_val);
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
89
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
90 // The left hand side of the assignment.
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
91 tree_expression *lhs;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
92
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
93 // The right hand side of the assignment.
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
94 tree_expression *rhs;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
95
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
96 // True if we should not delete the lhs.
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
97 bool preserve;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
98
5794
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe]
jwe
parents: 5307
diff changeset
99 // True if this is an assignment to the automatic variable ans.
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
100 bool ans_ass;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
101
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
102 // The type of the expression.
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
103 octave_value::assign_op etype;
2988
daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe]
jwe
parents: 2980
diff changeset
104
daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe]
jwe
parents: 2980
diff changeset
105 // No copying!
daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe]
jwe
parents: 2980
diff changeset
106
2989
6a7b578b6fb4 [project @ 1997-05-16 07:54:10 by jwe]
jwe
parents: 2988
diff changeset
107 tree_simple_assignment (const tree_simple_assignment&);
2988
daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe]
jwe
parents: 2980
diff changeset
108
2989
6a7b578b6fb4 [project @ 1997-05-16 07:54:10 by jwe]
jwe
parents: 2988
diff changeset
109 tree_simple_assignment& operator = (const tree_simple_assignment&);
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
110 };
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
111
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
112 // Multi-valued assignment expressions.
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
113
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
114 class
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
115 tree_multi_assignment : public tree_expression
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
116 {
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
117 public:
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
118
10230
0a5a769b8fc0 disallow computed multiple assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
119 tree_multi_assignment (bool plhs = false, int l = -1, int c = -1)
16893
8fbc09eded8c Complete removal of warning about assigning to ancient built-in variables.
Rik <rik@octave.org>
parents: 15195
diff changeset
120 : tree_expression (l, c), lhs (0), rhs (0), preserve (plhs) { }
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
121
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
122 tree_multi_assignment (tree_argument_list *lst, tree_expression *r,
10313
f3b65e1ae355 untabify src header files
John W. Eaton <jwe@octave.org>
parents: 10230
diff changeset
123 bool plhs = false, int l = -1, int c = -1);
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
124
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
125 ~tree_multi_assignment (void);
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
126
4267
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4192
diff changeset
127 bool has_magic_end (void) const { return (rhs && rhs->has_magic_end ()); }
7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe]
jwe
parents: 4192
diff changeset
128
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3527
diff changeset
129 bool is_assignment_expression (void) const { return true; }
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
130
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3527
diff changeset
131 bool rvalue_ok (void) const { return true; }
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
132
8658
73c4516fae10 New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents: 8037
diff changeset
133 octave_value rvalue1 (int nargout = 1);
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
134
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
135 octave_value_list rvalue (int nargout);
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
136
3523
b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe]
jwe
parents: 3503
diff changeset
137 std::string oper (void) const;
3208
e8a7163701be [project @ 1998-11-03 05:12:47 by jwe]
jwe
parents: 2989
diff changeset
138
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
139 tree_argument_list *left_hand_side (void) { return lhs; }
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
140
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
141 tree_expression *right_hand_side (void) { return rhs; }
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
142
7767
71f068b22fcc scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents: 7336
diff changeset
143 tree_expression *dup (symbol_table::scope_id scope,
10313
f3b65e1ae355 untabify src header files
John W. Eaton <jwe@octave.org>
parents: 10230
diff changeset
144 symbol_table::context_id context) const;
5861
2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe]
jwe
parents: 5794
diff changeset
145
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
146 void accept (tree_walker& tw);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11584
diff changeset
147
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
148 octave_value::assign_op op_type (void) const
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
149 { return octave_value::op_asn_eq; }
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
150
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
151 private:
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
152
3208
e8a7163701be [project @ 1998-11-03 05:12:47 by jwe]
jwe
parents: 2989
diff changeset
153 // The left hand side of the assignment.
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
154 tree_argument_list *lhs;
3208
e8a7163701be [project @ 1998-11-03 05:12:47 by jwe]
jwe
parents: 2989
diff changeset
155
e8a7163701be [project @ 1998-11-03 05:12:47 by jwe]
jwe
parents: 2989
diff changeset
156 // The right hand side of the assignment.
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
157 tree_expression *rhs;
2988
daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe]
jwe
parents: 2980
diff changeset
158
3208
e8a7163701be [project @ 1998-11-03 05:12:47 by jwe]
jwe
parents: 2989
diff changeset
159 // True if we should not delete the lhs.
e8a7163701be [project @ 1998-11-03 05:12:47 by jwe]
jwe
parents: 2989
diff changeset
160 bool preserve;
e8a7163701be [project @ 1998-11-03 05:12:47 by jwe]
jwe
parents: 2989
diff changeset
161
2988
daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe]
jwe
parents: 2980
diff changeset
162 // No copying!
daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe]
jwe
parents: 2980
diff changeset
163
2989
6a7b578b6fb4 [project @ 1997-05-16 07:54:10 by jwe]
jwe
parents: 2988
diff changeset
164 tree_multi_assignment (const tree_multi_assignment&);
2988
daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe]
jwe
parents: 2980
diff changeset
165
2989
6a7b578b6fb4 [project @ 1997-05-16 07:54:10 by jwe]
jwe
parents: 2988
diff changeset
166 tree_multi_assignment& operator = (const tree_multi_assignment&);
2980
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
167 };
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
168
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe]
jwe
parents:
diff changeset
169 #endif