Mercurial > octave
view libinterp/parse-tree/pt-pr-code.cc @ 31605:e88a07dec498 stable
maint: Use macros to begin/end C++ namespaces.
* oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE,
OCTAVE_END_NAMESPACE) that can be used to start/end a namespace.
* mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc,
__dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc,
__ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc,
__magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc,
auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h,
besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h,
call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc,
colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc,
defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc,
display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc,
ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h,
event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc,
fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc,
ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc,
getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc,
gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc,
graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc,
help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h,
interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h,
inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc,
latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h,
lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc,
ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h,
mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc,
oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h,
oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h,
oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h,
oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy,
ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc,
pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc,
qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h,
sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc,
sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h,
stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc,
symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h,
symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h,
text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc,
toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc,
url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc,
variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h,
__delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc,
audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh,
mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc,
cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h,
cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h,
cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc,
ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc,
ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h,
ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc,
ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h,
ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, 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-fcdm-fcdm.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-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-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc,
op-m-scm.cc, op-m-sm.cc, op-mi.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, ops.h,
anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h,
comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc,
oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h,
pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h,
pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h,
pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h,
pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h,
pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc,
pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc,
pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc,
pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc,
pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc,
pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc,
pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h,
pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h,
range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc,
chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h,
lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h,
oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h,
oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc,
qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc,
randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc,
sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc,
child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc,
file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h,
mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h,
oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc,
oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h,
base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h,
file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc,
lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h,
oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h,
oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h,
oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h,
pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h,
url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 01 Dec 2022 14:23:45 -0800 |
parents | 08b08b7f05b2 |
children | aac27ad79be6 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // 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 // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <cctype> #include "comment-list.h" #include "error.h" #include "ov-usr-fcn.h" #include "pr-output.h" #include "pt-all.h" OCTAVE_BEGIN_NAMESPACE(octave) void tree_print_code::visit_anon_fcn_handle (tree_anon_fcn_handle& afh) { indent (); print_parens (afh, "("); m_os << "@"; tree_parameter_list *param_list = afh.parameter_list (); if (param_list) param_list->accept (*this); print_fcn_handle_body (afh.expression ()); print_parens (afh, ")"); } void tree_print_code::visit_argument_list (tree_argument_list& lst) { auto p = lst.begin (); while (p != lst.end ()) { tree_expression *elt = *p++; if (elt) { elt->accept (*this); if (p != lst.end ()) m_os << ", "; } } } void tree_print_code::visit_arguments_block (tree_arguments_block&) { indent (); // FIXME m_os << "arguments ... endarguments"; } void tree_print_code::visit_args_block_attribute_list (tree_args_block_attribute_list&) { panic_impossible (); } void tree_print_code::visit_args_block_validation_list (tree_args_block_validation_list&) { panic_impossible (); } void tree_print_code::visit_arg_validation (tree_arg_validation&) { panic_impossible (); } void tree_print_code::visit_arg_size_spec (tree_arg_size_spec&) { panic_impossible (); } void tree_print_code::visit_arg_validation_fcns (tree_arg_validation_fcns&) { panic_impossible (); } 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); m_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 (); m_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) { m_os << ':'; op3->accept (*this); } tree_expression *op2 = expr.limit (); if (op2) { m_os << ':'; op2->accept (*this); } print_parens (expr, ")"); } void tree_print_code::visit_continue_command (tree_continue_command&) { indent (); m_os << "continue"; } void tree_print_code::visit_decl_command (tree_decl_command& cmd) { indent (); m_os << cmd.name () << ' '; tree_decl_init_list *init_list = cmd.initializer_list (); if (init_list) init_list->accept (*this); } void tree_print_code::visit_decl_init_list (tree_decl_init_list& lst) { auto p = lst.begin (); while (p != lst.end ()) { tree_decl_elt *elt = *p++; if (elt) { elt->accept (*this); if (p != lst.end ()) m_os << ", "; } } } 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) { m_os << " = "; expr->accept (*this); } } void tree_print_code::visit_simple_for_command (tree_simple_for_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); m_os << (cmd.in_parallel () ? "parfor " : "for "); tree_expression *lhs = cmd.left_hand_side (); tree_expression *maxproc = cmd.maxproc_expr (); if (maxproc) m_os << '('; if (lhs) lhs->accept (*this); m_os << " = "; tree_expression *expr = cmd.control_expr (); if (expr) expr->accept (*this); if (maxproc) { m_os << ", "; maxproc->accept (*this); m_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 (); m_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 (); m_os << "for ["; m_nesting.push ('['); tree_argument_list *lhs = cmd.left_hand_side (); if (lhs) lhs->accept (*this); m_nesting.pop (); m_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 (); m_os << "endfor"; } void tree_print_code::visit_spmd_command (tree_spmd_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); m_os << "spmd"; 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 (); m_os << "endspmd"; } 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) { comment_list *leading_comment = fcn.leading_comment (); if (leading_comment) { print_comment_list (leading_comment); newline (); } indent (); m_os << "function "; tree_parameter_list *ret_list = fcn.return_list (); if (ret_list) { ret_list->accept (*this); m_os << " = "; } std::string fcn_name = fcn.name (); m_os << (fcn_name.empty () ? "(empty)" : fcn_name) << ' '; tree_parameter_list *param_list = fcn.parameter_list (); if (param_list) param_list->accept (*this); 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 (); m_os << (nm.empty () ? "(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 (); m_os << "if "; tree_if_command_list *list = cmd.cmd_list (); if (list) list->accept (*this); print_indented_comment (cmd.trailing_comment ()); indent (); m_os << "endif"; } void tree_print_code::visit_if_command_list (tree_if_command_list& lst) { auto 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 ()) m_os << "else"; else m_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 (); std::list<tree_expression *> dyn_fields = expr.dyn_fields (); int n = type_tags.length (); auto p_arg_lists = arg_lists.begin (); auto p_arg_names = arg_names.begin (); auto p_dyn_fields = dyn_fields.begin (); for (int i = 0; i < n; i++) { switch (type_tags[i]) { case '(': { char nc = m_nesting.top (); if ((nc == '[' || nc == '{') && expr.paren_count () == 0) m_os << '('; else m_os << " ("; m_nesting.push ('('); tree_argument_list *l = *p_arg_lists; if (l) l->accept (*this); m_nesting.pop (); m_os << ')'; } break; case '{': { char nc = m_nesting.top (); if ((nc == '[' || nc == '{') && expr.paren_count () == 0) m_os << '{'; else m_os << " {"; // We only care about whitespace inside [] and {} when we // are defining matrix and cell objects, not when indexing. m_nesting.push ('('); tree_argument_list *l = *p_arg_lists; if (l) l->accept (*this); m_nesting.pop (); m_os << '}'; } break; case '.': { std::string fn = (*p_arg_names)(0); if (fn.empty ()) { tree_expression *df = *p_dyn_fields; if (df) { m_nesting.push ('('); m_os << ".("; df->accept (*this); m_os << ")"; m_nesting.pop (); } } else m_os << '.' << fn; } break; default: panic_impossible (); } p_arg_lists++; p_arg_names++; p_dyn_fields++; } print_parens (expr, ")"); } void tree_print_code::visit_matrix (tree_matrix& lst) { indent (); print_parens (lst, "("); m_os << '['; m_nesting.push ('['); auto p = lst.begin (); while (p != lst.end ()) { tree_argument_list *elt = *p++; if (elt) { elt->accept (*this); if (p != lst.end ()) m_os << "; "; } } m_nesting.pop (); m_os << ']'; print_parens (lst, ")"); } void tree_print_code::visit_cell (tree_cell& lst) { indent (); print_parens (lst, "("); m_os << '{'; m_nesting.push ('{'); auto p = lst.begin (); while (p != lst.end ()) { tree_argument_list *elt = *p++; if (elt) { elt->accept (*this); if (p != lst.end ()) m_os << "; "; } } m_nesting.pop (); m_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) { m_os << '['; m_nesting.push ('['); } lhs->accept (*this); if (len > 1) { m_nesting.pop (); m_os << ']'; } } m_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 () && m_curr_print_indent_level > 1) decrement_indent_level (); indent (); m_os << cmd.original_command (); } void tree_print_code::visit_constant (tree_constant& val) { indent (); print_parens (val, "("); val.print_raw (m_os, true, m_print_original_text); print_parens (val, ")"); } void tree_print_code::visit_fcn_handle (tree_fcn_handle& fh) { indent (); print_parens (fh, "("); fh.print_raw (m_os, true, m_print_original_text); print_parens (fh, ")"); } void tree_print_code::visit_parameter_list (tree_parameter_list& lst) { bool is_input_list = lst.is_input_list (); if (is_input_list) { m_os << '('; m_nesting.push ('('); } else { int len = lst.length (); if (lst.takes_varargs ()) len++; if (len != 1) { m_os << '['; m_nesting.push ('['); } } auto p = lst.begin (); while (p != lst.end ()) { tree_decl_elt *elt = *p++; if (elt) { elt->accept (*this); if (p != lst.end () || lst.takes_varargs ()) m_os << ", "; } } if (lst.takes_varargs ()) m_os << lst.varargs_symbol_name (); if (is_input_list) { m_nesting.pop (); m_os << ')'; } else { int len = lst.length (); if (lst.takes_varargs ()) len++; if (len != 1) { m_nesting.pop (); m_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); m_os << expr.oper (); print_parens (expr, ")"); } void tree_print_code::visit_prefix_expression (tree_prefix_expression& expr) { indent (); print_parens (expr, "("); m_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 (); m_os << "return"; } 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); m_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 ()) { m_os << ';'; newline (" "); } else newline (); } } } void tree_print_code::visit_statement_list (tree_statement_list& lst) { for (tree_statement *elt : lst) { 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 ()) m_os << "otherwise"; else m_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_command (tree_switch_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); m_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 (); m_os << "endswitch"; } void tree_print_code::visit_try_catch_command (tree_try_catch_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); m_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 (); m_os << "catch"; if (expr_id) { m_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 (); m_os << "end_try_catch"; } void tree_print_code::visit_unwind_protect_command (tree_unwind_protect_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); m_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 (); m_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 (); m_os << "end_unwind_protect"; } void tree_print_code::visit_while_command (tree_while_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); m_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 (); m_os << "endwhile"; } void tree_print_code::visit_do_until_command (tree_do_until_command& cmd) { print_comment_list (cmd.leading_comment ()); indent (); m_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 (); m_os << "until "; tree_expression *expr = cmd.condition (); if (expr) expr->accept (*this); newline (); } void tree_print_code::visit_superclass_ref (tree_superclass_ref& scr) { m_os << scr.method_name () << "@" << scr.class_name (); } void tree_print_code::visit_metaclass_query (tree_metaclass_query& mcq) { m_os << "?" << mcq.class_name (); } void tree_print_code::print_fcn_handle_body (tree_expression *e) { if (e) { m_suppress_newlines++; e->accept (*this); m_suppress_newlines--; } } // Each print_code() function should call this before printing anything. void tree_print_code::indent (void) { panic_unless (m_curr_print_indent_level >= 0); if (m_beginning_of_line) { m_os << m_prefix; m_os << std::string (m_curr_print_indent_level, ' '); m_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 (m_suppress_newlines) m_os << alt_txt; else { // Print prefix for blank lines. indent (); m_os << "\n"; m_beginning_of_line = true; } } // For resetting print_code state. void tree_print_code::reset (void) { m_beginning_of_line = true; m_curr_print_indent_level = 0; while (m_nesting.top () != 'n') m_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++) m_os << txt; } void tree_print_code::print_comment_elt (const comment_elt& elt) { bool printed_something = false; bool prev_char_was_newline = false; std::string comment = elt.text (); std::size_t len = comment.length (); std::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 (); m_os << "##"; } newline (); prev_char_was_newline = true; } else { if (m_beginning_of_line) { printed_something = true; indent (); m_os << "##"; if (! (isspace (c) || c == '!')) m_os << ' '; } m_os << static_cast<char> (c); prev_char_was_newline = false; } } if (printed_something && ! m_beginning_of_line) newline (); } void tree_print_code::print_comment_list (comment_list *comment_list) { if (comment_list) { auto p = comment_list->begin (); while (p != comment_list->end ()) { comment_elt elt = *p++; print_comment_elt (elt); if (p != comment_list->end ()) newline (); } } } void tree_print_code::print_indented_comment (comment_list *comment_list) { increment_indent_level (); print_comment_list (comment_list); decrement_indent_level (); } OCTAVE_END_NAMESPACE(octave)