Mercurial > octave
view libinterp/parse-tree/pt-pr-code.cc @ 21724:aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
* configure.ac, Doxyfile.in, make_int.cc, 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, __init_qt__.cc,
annotation-dialog.cc, gl-select.cc, module.mk, 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,
liboctgui-build-info.in.cc, file-editor-tab.cc, file-editor.cc,
find-dialog.cc, marker.cc, marker.h, 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.in.cc, Cell.cc, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc,
__lin_interpn__.cc, __luinc__.cc, __magick_read__.cc,
__pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc,
bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h,
cdisplay.c, cdisplay.h, 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, defaults.in.h, 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, input.cc, inv.cc, jit-ir.cc, jit-ir.h,
jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, 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-oct-text.h, ls-utils.cc,
lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mex.h,
mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc,
oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-iostrm.cc,
oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc,
oct-stdstrm.h, 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, pt-jit.h, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc,
regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, siglist.c,
siglist.h, 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, zfstream.h, __delaunayn__.cc, __eigs__.cc,
__fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__init_gnuplot__.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,
liboctinterp-build-info.in.cc, mkbuiltins, mkops, 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-usr-fcn.h, ov.cc, ovl.cc, octave.cc, octave.h,
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-cdm-cm.cc, op-cdm-dm.cc,
op-cdm-m.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cdm.cc,
op-cm-cm.cc, op-cm-cs.cc, op-cm-dm.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-cdm.cc, op-dm-cm.cc,
op-dm-dm.cc, op-dm-m.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-fcm.cc, op-fcdm-fdm.cc, op-fcdm-fm.cc,
op-fcm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fdm.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-fcdm.cc, op-fdm-fcm.cc,
op-fdm-fdm.cc, op-fdm-fm.cc, op-float-conv.cc, op-fm-fcdm.cc,
op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fdm.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-cdm.cc, op-m-cm.cc, op-m-cs.cc, op-m-dm.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-loop.h, 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-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, MArray-C.cc, MArray-d.cc, MArray-f.cc,
MArray-fC.cc, MArray-i.cc, MArray-s.cc, MSparse-C.cc, MSparse-d.cc,
MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc,
Sparse-d.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,
dim-vector.h, 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,
uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc,
uint8NDArray.cc, Faddeeva.cc, blaswrap.c, cquit.c, f77-extern.cc,
f77-fcn.c, f77-fcn.h, lo-error.c, lo-error.h, quit.cc, quit.h,
liboctave-build-info.in.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,
randmtzig.cc, randpoisson.cc, schur.cc, sparse-chol.cc,
sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc, mk-ops.awk,
mx-defs.h, 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, pathlen.h, syswait.h,
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-cutils.h, lo-ieee.cc, lo-ieee.h, lo-regexp.cc, lo-utils.cc,
oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-inttypes.h,
oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-edit.h,
oct-rl-hist.c, oct-rl-hist.h, oct-shlib.cc, oct-sort.cc,
pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc,
statdefs.h, str-vec.cc, unwind-prot.cc, url-transfer.cc,
acinclude.m4, display-available.c, display-available.h, main-cli.cc,
main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.in.cc,
octave-config.in.cc, shared-fcns.h:
Use "#if ..." consistently instead of "#ifdef" and "#ifndef".
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 17 May 2016 12:09:30 -0400 |
parents | 40de9f8f23a6 |
children | bac0d6f07a3e |
line wrap: on
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/* 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 (HAVE_CONFIG_H) # include "config.h" #endif #include <cctype> #include <iostream> #include "comment-list.h" #include "error.h" #include "ov-usr-fcn.h" #include "pr-output.h" #include "pt-all.h" void tree_print_code::visit_anon_fcn_handle (tree_anon_fcn_handle& afh) { indent (); print_parens (afh, "("); os << "@("; tree_parameter_list *param_list = afh.parameter_list (); if (param_list) param_list->accept (*this); os << ") "; print_fcn_handle_body (afh.body ()); print_parens (afh, ")"); } void tree_print_code::visit_argument_list (tree_argument_list& lst) { tree_argument_list::iterator p = lst.begin (); while (p != lst.end ()) { tree_expression *elt = *p++; if (elt) { elt->accept (*this); if (p != lst.end ()) os << ", "; } } } void tree_print_code::visit_binary_expression (tree_binary_expression& expr) { indent (); print_parens (expr, "("); tree_expression *op1 = expr.lhs (); if (op1) op1->accept (*this); os << " " << expr.oper () << " "; tree_expression *op2 = expr.rhs (); if (op2) op2->accept (*this); print_parens (expr, ")"); } void tree_print_code::visit_break_command (tree_break_command&) { indent (); os << "break"; } void tree_print_code::visit_colon_expression (tree_colon_expression& expr) { indent (); print_parens (expr, "("); tree_expression *op1 = expr.base (); if (op1) op1->accept (*this); // Stupid syntax. tree_expression *op3 = expr.increment (); if (op3) { os << ":"; op3->accept (*this); } tree_expression *op2 = expr.limit (); if (op2) { os << ":"; op2->accept (*this); } print_parens (expr, ")"); } void tree_print_code::visit_continue_command (tree_continue_command&) { indent (); os << "continue"; } void tree_print_code::do_decl_command (tree_decl_command& cmd) { indent (); os << cmd.name () << " "; tree_decl_init_list *init_list = cmd.initializer_list (); if (init_list) init_list->accept (*this); } void tree_print_code::visit_global_command (tree_global_command& cmd) { do_decl_command (cmd); } void tree_print_code::visit_persistent_command (tree_persistent_command& cmd) { do_decl_command (cmd); } void tree_print_code::visit_decl_elt (tree_decl_elt& cmd) { tree_identifier *id = cmd.ident (); if (id) id->accept (*this); tree_expression *expr = cmd.expression (); if (expr) { os << " = "; expr->accept (*this); } } void tree_print_code::visit_decl_init_list (tree_decl_init_list& lst) { tree_decl_init_list::iterator p = lst.begin (); while (p != lst.end ()) { tree_decl_elt *elt = *p++; if (elt) { elt->accept (*this); if (p != lst.end ()) os << ", "; } } } void tree_print_code::visit_simple_for_command (tree_simple_for_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); os << (cmd.in_parallel () ? "parfor " : "for "); tree_expression *lhs = cmd.left_hand_side (); tree_expression *maxproc = cmd.maxproc_expr (); if (maxproc) os << "("; if (lhs) lhs->accept (*this); os << " = "; tree_expression *expr = cmd.control_expr (); if (expr) expr->accept (*this); if (maxproc) { os << ", "; maxproc->accept (*this); os << ")"; } newline (); tree_statement_list *list = cmd.body (); if (list) { increment_indent_level (); list->accept (*this); decrement_indent_level (); } print_indented_comment (cmd.trailing_comment ()); indent (); os << (cmd.in_parallel () ? "endparfor" : "endfor"); } void tree_print_code::visit_complex_for_command (tree_complex_for_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); os << "for ["; nesting.push ('['); tree_argument_list *lhs = cmd.left_hand_side (); if (lhs) lhs->accept (*this); nesting.pop (); os << "] = "; tree_expression *expr = cmd.control_expr (); if (expr) expr->accept (*this); newline (); tree_statement_list *list = cmd.body (); if (list) { increment_indent_level (); list->accept (*this); decrement_indent_level (); } print_indented_comment (cmd.trailing_comment ()); indent (); os << "endfor"; } void tree_print_code::visit_octave_user_script (octave_user_script& fcn) { reset (); tree_statement_list *cmd_list = fcn.body (); if (cmd_list) cmd_list->accept (*this); } void tree_print_code::visit_octave_user_function (octave_user_function& fcn) { reset (); visit_octave_user_function_header (fcn); tree_statement_list *cmd_list = fcn.body (); if (cmd_list) { increment_indent_level (); cmd_list->accept (*this); // endfunction will decrement the indent level. } visit_octave_user_function_trailer (fcn); } void tree_print_code::visit_octave_user_function_header (octave_user_function& fcn) { octave_comment_list *leading_comment = fcn.leading_comment (); if (leading_comment) { print_comment_list (leading_comment); newline (); } indent (); os << "function "; tree_parameter_list *ret_list = fcn.return_list (); if (ret_list) { bool takes_var_return = fcn.takes_var_return (); int len = ret_list->length (); if (len > 1 || takes_var_return) { os << "["; nesting.push ('['); } ret_list->accept (*this); if (takes_var_return) { if (len > 0) os << ", "; os << "varargout"; } if (len > 1 || takes_var_return) { nesting.pop (); os << "]"; } os << " = "; } std::string fcn_name = fcn.name (); os << (fcn_name.empty () ? std::string ("(empty)") : fcn_name) << " "; tree_parameter_list *param_list = fcn.parameter_list (); if (param_list) { bool takes_varargs = fcn.takes_varargs (); int len = param_list->length (); if (len > 0 || takes_varargs) { os << "("; nesting.push ('('); } param_list->accept (*this); if (takes_varargs) { if (len > 0) os << ", "; os << "varargin"; } if (len > 0 || takes_varargs) { nesting.pop (); os << ")"; newline (); } } else { os << "()"; newline (); } } void tree_print_code::visit_octave_user_function_trailer (octave_user_function& fcn) { print_indented_comment (fcn.trailing_comment ()); newline (); } void tree_print_code::visit_function_def (tree_function_def& fdef) { indent (); octave_value fcn = fdef.function (); octave_function *f = fcn.function_value (); if (f) f->accept (*this); } void tree_print_code::visit_identifier (tree_identifier& id) { indent (); print_parens (id, "("); std::string nm = id.name (); os << (nm.empty () ? std::string ("(empty)") : nm); print_parens (id, ")"); } void tree_print_code::visit_if_clause (tree_if_clause& cmd) { tree_expression *expr = cmd.condition (); if (expr) expr->accept (*this); newline (); tree_statement_list *list = cmd.commands (); if (list) { increment_indent_level (); list->accept (*this); decrement_indent_level (); } } void tree_print_code::visit_if_command (tree_if_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); os << "if "; tree_if_command_list *list = cmd.cmd_list (); if (list) list->accept (*this); print_indented_comment (cmd.trailing_comment ()); indent (); os << "endif"; } void tree_print_code::visit_if_command_list (tree_if_command_list& lst) { tree_if_command_list::iterator p = lst.begin (); bool first_elt = true; while (p != lst.end ()) { tree_if_clause *elt = *p++; if (elt) { if (! first_elt) { print_indented_comment (elt->leading_comment ()); indent (); if (elt->is_else_clause ()) os << "else"; else os << "elseif "; } elt->accept (*this); } first_elt = false; } } void tree_print_code::visit_index_expression (tree_index_expression& expr) { indent (); print_parens (expr, "("); tree_expression *e = expr.expression (); if (e) e->accept (*this); std::list<tree_argument_list *> arg_lists = expr.arg_lists (); std::string type_tags = expr.type_tags (); std::list<string_vector> arg_names = expr.arg_names (); int n = type_tags.length (); std::list<tree_argument_list *>::iterator p_arg_lists = arg_lists.begin (); std::list<string_vector>::iterator p_arg_names = arg_names.begin (); for (int i = 0; i < n; i++) { switch (type_tags[i]) { case '(': { char nc = nesting.top (); if ((nc == '[' || nc == '{') && expr.paren_count () == 0) os << "("; else os << " ("; nesting.push ('('); tree_argument_list *l = *p_arg_lists; if (l) l->accept (*this); nesting.pop (); os << ")"; } break; case '{': { char nc = nesting.top (); if ((nc == '[' || nc == '{') && expr.paren_count () == 0) os << "{"; else os << " {"; // We only care about whitespace inside [] and {} when we // are defining matrix and cell objects, not when indexing. nesting.push ('('); tree_argument_list *l = *p_arg_lists; if (l) l->accept (*this); nesting.pop (); os << "}"; } break; case '.': { string_vector nm = *p_arg_names; assert (nm.numel () == 1); os << "." << nm(0); } break; default: panic_impossible (); } p_arg_lists++; p_arg_names++; } print_parens (expr, ")"); } void tree_print_code::visit_matrix (tree_matrix& lst) { indent (); print_parens (lst, "("); os << "["; nesting.push ('['); tree_matrix::iterator p = lst.begin (); while (p != lst.end ()) { tree_argument_list *elt = *p++; if (elt) { elt->accept (*this); if (p != lst.end ()) os << "; "; } } nesting.pop (); os << "]"; print_parens (lst, ")"); } void tree_print_code::visit_cell (tree_cell& lst) { indent (); print_parens (lst, "("); os << "{"; nesting.push ('{'); tree_cell::iterator p = lst.begin (); while (p != lst.end ()) { tree_argument_list *elt = *p++; if (elt) { elt->accept (*this); if (p != lst.end ()) os << "; "; } } nesting.pop (); os << "}"; print_parens (lst, ")"); } void tree_print_code::visit_multi_assignment (tree_multi_assignment& expr) { indent (); print_parens (expr, "("); tree_argument_list *lhs = expr.left_hand_side (); if (lhs) { int len = lhs->length (); if (len > 1) { os << "["; nesting.push ('['); } lhs->accept (*this); if (len > 1) { nesting.pop (); os << "]"; } } os << " " << expr.oper () << " "; tree_expression *rhs = expr.right_hand_side (); if (rhs) rhs->accept (*this); print_parens (expr, ")"); } void tree_print_code::visit_no_op_command (tree_no_op_command& cmd) { if (cmd.is_end_of_fcn_or_script () && curr_print_indent_level > 1) decrement_indent_level (); indent (); os << cmd.original_command (); } void tree_print_code::visit_constant (tree_constant& val) { indent (); print_parens (val, "("); val.print_raw (os, true, print_original_text); print_parens (val, ")"); } void tree_print_code::visit_fcn_handle (tree_fcn_handle& fh) { indent (); print_parens (fh, "("); fh.print_raw (os, true, print_original_text); print_parens (fh, ")"); } void tree_print_code::visit_funcall (tree_funcall& fc) { indent (); print_parens (fc, "("); fc.print_raw (os, true, print_original_text); print_parens (fc, ")"); } void tree_print_code::visit_parameter_list (tree_parameter_list& lst) { tree_parameter_list::iterator p = lst.begin (); while (p != lst.end ()) { tree_decl_elt *elt = *p++; if (elt) { elt->accept (*this); if (p != lst.end ()) os << ", "; } } } void tree_print_code::visit_postfix_expression (tree_postfix_expression& expr) { indent (); print_parens (expr, "("); tree_expression *e = expr.operand (); if (e) e->accept (*this); os << expr.oper (); print_parens (expr, ")"); } void tree_print_code::visit_prefix_expression (tree_prefix_expression& expr) { indent (); print_parens (expr, "("); os << expr.oper (); tree_expression *e = expr.operand (); if (e) e->accept (*this); print_parens (expr, ")"); } void tree_print_code::visit_return_command (tree_return_command&) { indent (); os << "return"; } void tree_print_code::visit_return_list (tree_return_list& lst) { tree_return_list::iterator p = lst.begin (); while (p != lst.end ()) { tree_index_expression *elt = *p++; if (elt) { elt->accept (*this); if (p != lst.end ()) os << ", "; } } } void tree_print_code::visit_simple_assignment (tree_simple_assignment& expr) { indent (); print_parens (expr, "("); tree_expression *lhs = expr.left_hand_side (); if (lhs) lhs->accept (*this); os << " " << expr.oper () << " "; tree_expression *rhs = expr.right_hand_side (); if (rhs) rhs->accept (*this); print_parens (expr, ")"); } void tree_print_code::visit_statement (tree_statement& stmt) { print_comment_list (stmt.comment_text ()); tree_command *cmd = stmt.command (); if (cmd) { cmd->accept (*this); newline (); } else { tree_expression *expr = stmt.expression (); if (expr) { expr->accept (*this); if (! stmt.print_result ()) { os << ";"; newline (" "); } else newline (); } } } void tree_print_code::visit_statement_list (tree_statement_list& lst) { for (tree_statement_list::iterator p = lst.begin (); p != lst.end (); p++) { tree_statement *elt = *p; if (elt) elt->accept (*this); } } void tree_print_code::visit_switch_case (tree_switch_case& cs) { print_comment_list (cs.leading_comment ()); indent (); if (cs.is_default_case ()) os << "otherwise"; else os << "case "; tree_expression *label = cs.case_label (); if (label) label->accept (*this); newline (); tree_statement_list *list = cs.commands (); if (list) { increment_indent_level (); list->accept (*this); newline (); decrement_indent_level (); } } void tree_print_code::visit_switch_case_list (tree_switch_case_list& lst) { tree_switch_case_list::iterator p = lst.begin (); while (p != lst.end ()) { tree_switch_case *elt = *p++; if (elt) elt->accept (*this); } } void tree_print_code::visit_switch_command (tree_switch_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); os << "switch "; tree_expression *expr = cmd.switch_value (); if (expr) expr->accept (*this); newline (); tree_switch_case_list *list = cmd.case_list (); if (list) { increment_indent_level (); list->accept (*this); decrement_indent_level (); } print_indented_comment (cmd.leading_comment ()); indent (); os << "endswitch"; } void tree_print_code::visit_try_catch_command (tree_try_catch_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); os << "try"; newline (); tree_statement_list *try_code = cmd.body (); tree_identifier *expr_id = cmd.identifier (); if (try_code) { increment_indent_level (); try_code->accept (*this); decrement_indent_level (); } print_indented_comment (cmd.middle_comment ()); indent (); os << "catch"; if (expr_id) { os << " "; expr_id->accept (*this); } newline (); tree_statement_list *catch_code = cmd.cleanup (); if (catch_code) { increment_indent_level (); catch_code->accept (*this); decrement_indent_level (); } print_indented_comment (cmd.trailing_comment ()); indent (); os << "end_try_catch"; } void tree_print_code::visit_unwind_protect_command (tree_unwind_protect_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); os << "unwind_protect"; newline (); tree_statement_list *unwind_protect_code = cmd.body (); if (unwind_protect_code) { increment_indent_level (); unwind_protect_code->accept (*this); decrement_indent_level (); } print_indented_comment (cmd.middle_comment ()); indent (); os << "unwind_protect_cleanup"; newline (); tree_statement_list *cleanup_code = cmd.cleanup (); if (cleanup_code) { increment_indent_level (); cleanup_code->accept (*this); decrement_indent_level (); } print_indented_comment (cmd.trailing_comment ()); indent (); os << "end_unwind_protect"; } void tree_print_code::visit_while_command (tree_while_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); os << "while "; tree_expression *expr = cmd.condition (); if (expr) expr->accept (*this); newline (); tree_statement_list *list = cmd.body (); if (list) { increment_indent_level (); list->accept (*this); decrement_indent_level (); } print_indented_comment (cmd.trailing_comment ()); indent (); os << "endwhile"; } void tree_print_code::visit_do_until_command (tree_do_until_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); os << "do"; newline (); tree_statement_list *list = cmd.body (); if (list) { increment_indent_level (); list->accept (*this); decrement_indent_level (); } print_indented_comment (cmd.trailing_comment ()); indent (); os << "until "; tree_expression *expr = cmd.condition (); if (expr) expr->accept (*this); newline (); } void tree_print_code::print_fcn_handle_body (tree_statement_list *b) { if (b) { assert (b->length () == 1); tree_statement *s = b->front (); if (s) { if (s->is_expression ()) { tree_expression *e = s->expression (); if (e) { suppress_newlines++; e->accept (*this); suppress_newlines--; } } else { tree_command *c = s->command (); suppress_newlines++; c->accept (*this); suppress_newlines--; } } } } // Each print_code() function should call this before printing anything. void tree_print_code::indent (void) { assert (curr_print_indent_level >= 0); if (beginning_of_line) { os << prefix; os << std::string (curr_print_indent_level, ' '); beginning_of_line = false; } } // All print_code() functions should use this to print new lines. void tree_print_code::newline (const char *alt_txt) { if (suppress_newlines) os << alt_txt; else { // Print prefix for blank lines. indent (); os << "\n"; beginning_of_line = true; } } // For ressetting print_code state. void tree_print_code::reset (void) { beginning_of_line = true; curr_print_indent_level = 0; while (nesting.top () != 'n') nesting.pop (); } void tree_print_code::print_parens (const tree_expression& expr, const char *txt) { int n = expr.paren_count (); for (int i = 0; i < n; i++) os << txt; } void tree_print_code::print_comment_elt (const octave_comment_elt& elt) { bool printed_something = false; bool prev_char_was_newline = false; std::string comment = elt.text (); size_t len = comment.length (); size_t i = 0; while (i < len && comment[i++] == '\n') ; // Skip leading new lines. i--; while (i < len) { char c = comment[i++]; if (c == '\n') { if (prev_char_was_newline) { printed_something = true; indent (); os << "##"; } newline (); prev_char_was_newline = true; } else { if (beginning_of_line) { printed_something = true; indent (); os << "##"; if (! (isspace (c) || c == '!')) os << " "; } os << static_cast<char> (c); prev_char_was_newline = false; } } if (printed_something && ! beginning_of_line) newline (); } void tree_print_code::print_comment_list (octave_comment_list *comment_list) { if (comment_list) { octave_comment_list::iterator p = comment_list->begin (); while (p != comment_list->end ()) { octave_comment_elt elt = *p++; print_comment_elt (elt); if (p != comment_list->end ()) newline (); } } } void tree_print_code::print_indented_comment (octave_comment_list *comment_list) { increment_indent_level (); print_comment_list (comment_list); decrement_indent_level (); }