Mercurial > octave-nkf
view libinterp/parse-tree/pt-id.cc @ 20587:f90c8372b7ba
eliminate many more simple uses of error_state
* Cell.cc, __ichol__.cc, __ilu__.cc, balance.cc, bsxfun.cc, colloc.cc,
det.cc, dlmread.cc, dynamic-ld.cc, eig.cc, fft.cc, fft2.cc, fftn.cc,
gcd.cc, getgrent.cc, getpwent.cc, givens.cc, hess.cc, input.cc,
levenshtein.cc, load-path.cc, lookup.cc, ls-mat-ascii.cc, ls-mat4.cc,
lsode.cc, lu.cc, max.cc, md5sum.cc, mex.cc, pager.cc, pinv.cc,
pr-output.cc, qz.cc, schur.cc, sparse.cc, sqrtm.cc, str2double.cc,
strfns.cc, sub2ind.cc, sysdep.cc, time.cc, toplev.cc, tril.cc,
tsearch.cc, typecast.cc, __init_gnuplot__.cc, __magick_read__.cc,
__osmesa_print__.cc, amd.cc, audiodevinfo.cc, dmperm.cc, fftw.cc,
symrcm.cc, ov-base-diag.cc, ov-base-sparse.cc, ov-base.cc,
ov-bool-sparse.cc, ov-builtin.cc, ov-complex.cc, ov-cx-diag.cc,
ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-fcn-inline.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-lazy-idx.cc, ov-mex-fcn.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, op-bm-b.cc, op-bm-bm.cc, op-sbm-b.cc,
op-sbm-bm.cc, op-str-m.cc, op-str-s.cc, oct-parse.in.yy, pt-cbinop.cc,
pt-colon.cc, pt-decl.cc, pt-exp.cc, pt-id.cc, pt-misc.cc,
pt-select.cc, pt-unop.cc: Eliminate simple uses of error_state.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 05 Oct 2015 19:29:36 -0400 |
parents | 7ac907da9fba |
children |
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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 "error.h" #include "oct-obj.h" #include "oct-lvalue.h" #include "pager.h" #include "pt-bp.h" #include "pt-const.h" #include "pt-eval.h" #include "pt-id.h" #include "pt-walk.h" #include "symtab.h" #include "utils.h" #include "variables.h" // Symbols from the symbol table. void tree_identifier::eval_undefined_error (void) { int l = line (); int c = column (); maybe_missing_function_hook (name ()); if (l == -1 && c == -1) error_with_id ("Octave:undefined-function", "'%s' undefined", name ().c_str ()); else error_with_id ("Octave:undefined-function", "'%s' undefined near line %d column %d", name ().c_str (), l, c); } octave_value_list tree_identifier::rvalue (int nargout, const std::list<octave_lvalue> *lvalue_list) { octave_value_list retval; octave_value val = sym->find (); if (val.is_defined ()) { // GAGME -- this would be cleaner if we required // parens to indicate function calls. // // If this identifier refers to a function, we need to know // whether it is indexed so that we can do the same thing // for 'f' and 'f()'. If the index is present and the function // object declares it can handle it, return the function object // and let tree_index_expression::rvalue handle indexing. // Otherwise, arrange to call the function here, so that we don't // return the function definition as a value. octave_function *fcn = 0; if (val.is_function ()) fcn = val.function_value (true); if (fcn && ! (is_postfix_indexed () && fcn->is_postfix_index_handled (postfix_index ()))) { octave_value_list tmp_args; retval = (lvalue_list ? val.do_multi_index_op (nargout, tmp_args, lvalue_list) : val.do_multi_index_op (nargout, tmp_args)); } else { if (print_result () && nargout == 0 && tree_evaluator::statement_printing_enabled ()) val.print_with_name (octave_stdout, name ()); retval = val; } } else if (sym->is_added_static ()) static_workspace_error (); else eval_undefined_error (); return retval; } octave_value tree_identifier::rvalue1 (int nargout) { octave_value retval; octave_value_list tmp = rvalue (nargout); if (! tmp.empty ()) retval = tmp(0); return retval; } octave_lvalue tree_identifier::lvalue (void) { if (sym->is_added_static ()) static_workspace_error (); return octave_lvalue (sym); } tree_identifier * tree_identifier::dup (symbol_table::scope_id sc, symbol_table::context_id) const { // The new tree_identifier object contains a symbol_record // entry from the duplicated scope. // FIXME: is this the best way? symbol_table::symbol_record new_sym = symbol_table::find_symbol (name (), sc); tree_identifier *new_id = new tree_identifier (new_sym, line (), column ()); new_id->copy_base (*this); return new_id; } void tree_identifier::accept (tree_walker& tw) { tw.visit_identifier (*this); }