Mercurial > octave
view libinterp/parse-tree/pt-pr-code.cc @ 21200:fcac5dbbf9ed
maint: Indent #ifdef blocks in libinterp.
* builtins.h, 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, c-file-ptr-stream.h, cellfun.cc, colloc.cc,
comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc,
defaults.cc, defaults.in.h, defun-dld.h, defun.cc, defun.h, 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, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc,
givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, gripes.cc,
hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc,
jit-typeinfo.cc, 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,
ls-utils.h, lsode.cc, lu.cc, luinc.cc, mappers.cc, matrix_type.cc, max.cc,
mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc,
oct-hdf5-types.cc, oct-hdf5.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc,
oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc, oct-strstrm.cc,
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, 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, sysdep.h, time.cc, toplev.cc,
tril.cc, tsearch.cc, txt-eng-ft.cc, txt-eng.cc, typecast.cc, urlwrite.cc,
utils.cc, variables.cc, xdiv.cc, 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, oct-qhull.h, qr.cc, symbfact.cc,
symrcm.cc, oct-conf.in.cc, 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, 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-colon.h,
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:
Indent #ifdef blocks in libinterp.
author | Rik <rik@octave.org> |
---|---|
date | Fri, 05 Feb 2016 16:29:08 -0800 |
parents | 6eff66fb8a02 |
children | 40de9f8f23a6 |
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/>. */ #ifdef 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 (); }