Mercurial > octave
view libinterp/corefcn/toplev.h @ 22022:278fc29b69ca
maint: Eliminate unnecessary double newline blocks (only whitespace changes).
* Figure.cc, annotation-dialog.cc, dialog.cc, dialog.h, files-dock-widget.cc,
find-files-dialog.cc, find-files-model.cc, file-editor-tab.cc, file-editor.cc,
find-dialog.cc, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc,
main-window.h, octave-cmd.cc, octave-cmd.h, octave-dock-widget.cc,
octave-qt-link.cc, parser.h, webinfo.cc, settings-dialog.cc,
shortcut-manager.cc, shortcut-manager.h, welcome-wizard.cc, workspace-model.cc,
__ilu__.cc, __lin_interpn__.cc, besselj.cc, bsxfun.cc, cellfun.cc, conv2.cc,
data.cc, debug.cc, debug.h, dynamic-ld.cc, fft2.cc, file-io.cc,
ft-text-renderer.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h,
help.cc, jit-typeinfo.cc, jit-typeinfo.h, kron.cc, ls-ascii-helper.cc,
ls-hdf5.cc, ls-hdf5.h, ls-mat5.cc, max.cc, oct-map.cc, oct-map.h,
oct-stream.cc, octave-link.h, pr-output.cc, pt-jit.cc, qz.cc, sparse-xdiv.cc,
sparse-xpow.cc, strfind.cc, strfns.cc, symtab.h, toplev.cc, toplev.h,
typecast.cc, utils.cc, variables.cc, xdiv.h, xpow.cc, xpow.h, zfstream.cc,
__eigs__.cc, __init_fltk__.cc, audioread.cc, ccolamd.cc, chol.cc, qr.cc,
ov-base-diag.cc, ov-base-int.cc, ov-base-sparse.cc, ov-base.cc, ov-base.h,
ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc,
ov-bool.h, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-class.cc, ov-class.h,
ov-classdef.cc, ov-complex.cc, ov-complex.h, ov-cs-list.cc, ov-cs-list.h,
ov-cx-diag.cc, ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc,
ov-cx-sparse.h, ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.h, ov-fcn-inline.h,
ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h,
ov-flt-cx-diag.cc, ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h,
ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-intx.h, ov-lazy-idx.cc, ov-lazy-idx.h,
ov-mex-fcn.h, ov-null-mat.h, ov-perm.cc, ov-perm.h, ov-range.cc, ov-range.h,
ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-sparse.cc, ov-re-sparse.h,
ov-scalar.cc, ov-scalar.h, ov-str-mat.h, ov-struct.cc, ov-struct.h,
ov-type-conv.h, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc,
ov-usr-fcn.cc, ov-usr-fcn.h, ov.h, op-cm-m.cc, op-fcm-fm.cc, op-fm-fm.cc,
op-int.h, op-m-m.cc, op-pm-template.cc, pt-binop.h, pt-select.cc, pt-stmt.cc,
pt-unop.h, Array-util.cc, Array.cc, Array.h, CColVector.cc, CMatrix.cc,
CMatrix.h, CSparse.cc, MArray.cc, MSparse.cc, MatrixType.cc, PermMatrix.cc,
Range.cc, Sparse-C.cc, Sparse.cc, dMatrix.cc, dim-vector.h, fCColVector.cc,
fCMatrix.cc, fMatrix.cc, fMatrix.h, idx-vector.cc, idx-vector.h, blaswrap.c,
f77-fcn.h, DASPK.cc, eigs-base.cc, hess.cc, lo-specfun.cc, oct-fftw.cc,
oct-norm.cc, oct-rand.cc, oct-rand.h, qr.cc, qrp.cc, randmtzig.cc,
randpoisson.cc, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, Sparse-op-defs.h,
mx-inlines.cc, oct-env.h, cmd-edit.cc, f2c-main.c, lo-array-errwarn.cc,
lo-array-errwarn.h, lo-array-gripes.cc, lo-array-gripes.h, lo-ieee.h,
lo-regexp.cc, oct-binmap.h, oct-inttypes.cc, oct-inttypes.h, oct-sort.cc,
oct-sort.h, mkoctfile.in.cc:
maint: Eliminate unnecessary double newline blocks (only whitespace changes).
author | Rik <rik@octave.org> |
---|---|
date | Fri, 01 Jul 2016 19:48:35 -0700 |
parents | f4d7d0eb5b0c |
children | 0f6fc2ec3b1a |
line wrap: on
line source
/* Copyright (C) 1993-2015 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 (octave_toplev_h) #define octave_toplev_h 1 #include "octave-config.h" #include <cstdio> #include <deque> #include <string> class octave_value; class octave_value_list; class octave_function; class octave_user_script; class tree_statement; class tree_statement_list; class charMatrix; #include "quit.h" #include "input.h" #include "oct-map.h" #include "symtab.h" typedef void (*octave_exit_func) (int); extern OCTINTERP_API octave_exit_func octave_exit; extern OCTINTERP_API bool quit_allowed; extern OCTINTERP_API bool quitting_gracefully; extern OCTINTERP_API int exit_status; extern OCTINTERP_API void clean_up_and_exit (int status, bool safe_to_return = false); extern OCTINTERP_API void recover_from_exception (void); extern OCTINTERP_API int main_loop (void); extern OCTINTERP_API void octave_add_atexit_function (const std::string& fname); extern OCTINTERP_API bool octave_remove_atexit_function (const std::string& fname); // TRUE means we are ready to interpret commands, but not everything // is ready for interactive use. extern OCTINTERP_API bool octave_interpreter_ready; // TRUE means we've processed all the init code and we are good to go. extern OCTINTERP_API bool octave_initialized; class OCTINTERP_API octave_call_stack { protected: octave_call_stack (void) : cs (), curr_frame (0) { } public: class stack_frame { public: friend class octave_call_stack; stack_frame (octave_function *fcn = 0, symbol_table::scope_id scope = 0, symbol_table::context_id context = 0, size_t prev = 0) : m_fcn (fcn), m_line (-1), m_column (-1), m_scope (scope), m_context (context), m_prev (prev) { } stack_frame (const stack_frame& elt) : m_fcn (elt.m_fcn), m_line (elt.m_line), m_column (elt.m_column), m_scope (elt.m_scope), m_context (elt.m_context), m_prev (elt.m_prev) { } int line (void) const { return m_line; } int column (void) const { return m_column; } std::string fcn_file_name (void) const; std::string fcn_name (bool print_subfn = true) const; bool operator== (const stack_frame &rhs) const; private: octave_function *m_fcn; int m_line; int m_column; symbol_table::scope_id m_scope; symbol_table::context_id m_context; size_t m_prev; }; typedef std::deque<stack_frame>::iterator iterator; typedef std::deque<stack_frame>::const_iterator const_iterator; typedef std::deque<stack_frame>::reverse_iterator reverse_iterator; typedef std::deque<stack_frame>::const_reverse_iterator const_reverse_iterator; static void create_instance (void); static bool instance_ok (void) { bool retval = true; if (! instance) create_instance (); if (! instance) error ("unable to create call stack object!"); return retval; } // Current function (top of stack). static octave_function *current (void) { return instance_ok () ? instance->do_current () : 0; } // Current line in current function. static int current_line (void) { return instance_ok () ? instance->do_current_line () : -1; } // Current column in current function. static int current_column (void) { return instance_ok () ? instance->do_current_column () : -1; } // Caller function, may be built-in. static octave_function *caller (void) { return instance_ok () ? instance->do_caller () : 0; } static size_t current_frame (void) { return instance_ok () ? instance->do_current_frame () : 0; } static size_t size (void) { return instance_ok () ? instance->do_size () : 0; } static size_t num_user_code_frames (octave_idx_type& curr_user_frame) { return instance_ok () ? instance->do_num_user_code_frames (curr_user_frame) : 0; } static symbol_table::scope_id current_scope (void) { return instance_ok () ? instance->do_current_scope () : 0; } static symbol_table::context_id current_context (void) { return instance_ok () ? instance->do_current_context () : 0; } #if 0 static stack_frame frame (size_t idx) { return instance_ok () ? instance->do_frame (idx) : stack_frame (); } #endif // Function at location N on the call stack (N == 0 is current), may // be built-in. static octave_function *element (size_t n) { return instance_ok () ? instance->do_element (n) : 0; } // User code caller. static octave_user_code *caller_user_code (size_t nskip = 0) { return instance_ok () ? instance->do_caller_user_code (nskip) : 0; } // Line in user code caller. static int caller_user_code_line (void) { return instance_ok () ? instance->do_caller_user_code_line () : -1; } // Column in user code caller. static int caller_user_code_column (void) { return instance_ok () ? instance->do_caller_user_code_column () : -1; } // Current function that we are debugging. static octave_user_code *debug_user_code (void) { return instance_ok () ? instance->do_debug_user_code () : 0; } // Line number in current function that we are debugging. static int debug_user_code_line (void) { return instance_ok () ? instance->do_debug_user_code_line () : 0; } // Column number in current function that we are debugging. static int debug_user_code_column (void) { return instance_ok () ? instance->do_debug_user_code_column () : 0; } // Return TRUE if all elements on the call stack are scripts. static bool all_scripts (void) { return instance_ok () ? instance->do_all_scripts () : false; } static void push (octave_function *f, symbol_table::scope_id scope = symbol_table::current_scope (), symbol_table::context_id context = symbol_table::current_context ()) { if (instance_ok ()) instance->do_push (f, scope, context); } static void push (symbol_table::scope_id scope = symbol_table::current_scope (), symbol_table::context_id context = symbol_table::current_context ()) { if (instance_ok ()) instance->do_push (0, scope, context); } static void set_location (int l, int c) { if (instance_ok ()) instance->do_set_location (l, c); } static void set_line (int l) { if (instance_ok ()) instance->do_set_line (l); } static void set_column (int c) { if (instance_ok ()) instance->do_set_column (c); } static bool goto_frame (size_t n = 0, bool verbose = false) { return instance_ok () ? instance->do_goto_frame (n, verbose) : false; } static void restore_frame (size_t n) { goto_frame (n); } static bool goto_frame_relative (int n, bool verbose = false) { return instance_ok () ? instance->do_goto_frame_relative (n, verbose) : false; } static void goto_caller_frame (void) { if (instance_ok ()) instance->do_goto_caller_frame (); } static void goto_base_frame (void) { if (instance_ok ()) instance->do_goto_base_frame (); } static octave_map backtrace (size_t nskip = 0) { octave_idx_type curr_user_frame = -1; return instance_ok () ? instance->do_backtrace (nskip, curr_user_frame, true) : octave_map (); } static octave_map backtrace (size_t nskip, octave_idx_type& curr_user_frame, bool print_subfn = true) { return instance_ok () ? instance->do_backtrace (nskip, curr_user_frame, print_subfn) : octave_map (); } static std::list<octave_call_stack::stack_frame> backtrace_frames (size_t nskip = 0) { octave_idx_type curr_user_frame = -1; return instance_ok () ? instance->do_backtrace_frames (nskip, curr_user_frame) : std::list<octave_call_stack::stack_frame> (); } static std::list<octave_call_stack::stack_frame> backtrace_frames (size_t nskip, octave_idx_type& curr_user_frame) { return instance_ok () ? instance->do_backtrace_frames (nskip, curr_user_frame) : std::list<octave_call_stack::stack_frame> (); } static octave_map empty_backtrace (void); static void pop (void) { if (instance_ok ()) instance->do_pop (); } static void clear (void) { if (instance_ok ()) instance->do_clear (); } private: // The current call stack. std::deque<stack_frame> cs; size_t curr_frame; static octave_call_stack *instance; static void cleanup_instance (void) { delete instance; instance = 0; } int do_current_line (void) const; int do_current_column (void) const; octave_function *do_caller (void) const { return curr_frame > 1 ? cs[curr_frame-1].m_fcn : cs[0].m_fcn; } size_t do_current_frame (void) { return curr_frame; } size_t do_size (void) { return cs.size (); } size_t do_num_user_code_frames (octave_idx_type& curr_user_frame) const; symbol_table::scope_id do_current_scope (void) const { return curr_frame > 0 && curr_frame < cs.size () ? cs[curr_frame].m_scope : 0; } symbol_table::context_id do_current_context (void) const { return curr_frame > 0 && curr_frame < cs.size () ? cs[curr_frame].m_context : 0; } #if 0 const stack_frame& do_frame (size_t idx) { static stack_frame foobar; return idx < cs.size () ? cs[idx] : foobar; } #endif octave_function *do_element (size_t n) { octave_function *retval = 0; if (cs.size () > n) { stack_frame& elt = cs[n]; retval = elt.m_fcn; } return retval; } octave_user_code *do_caller_user_code (size_t nskip) const; int do_caller_user_code_line (void) const; int do_caller_user_code_column (void) const; octave_user_code *do_debug_user_code (void) const; int do_debug_user_code_line (void) const; int do_debug_user_code_column (void) const; bool do_all_scripts (void) const; void do_push (octave_function *fcn, symbol_table::scope_id scope, symbol_table::context_id context) { size_t prev_frame = curr_frame; curr_frame = cs.size (); cs.push_back (stack_frame (fcn, scope, context, prev_frame)); symbol_table::set_scope_and_context (scope, context); } octave_function *do_current (void) const { octave_function *retval = 0; if (! cs.empty ()) { const stack_frame& elt = cs[curr_frame]; retval = elt.m_fcn; } return retval; } void do_set_location (int l, int c) { if (! cs.empty ()) { stack_frame& elt = cs.back (); elt.m_line = l; elt.m_column = c; } } void do_set_line (int l) { if (! cs.empty ()) { stack_frame& elt = cs.back (); elt.m_line = l; } } void do_set_column (int c) { if (! cs.empty ()) { stack_frame& elt = cs.back (); elt.m_column = c; } } std::list<octave_call_stack::stack_frame> do_backtrace_frames (size_t nskip, octave_idx_type& curr_user_frame) const; octave_map do_backtrace (size_t nskip, octave_idx_type& curr_user_frame, bool print_subfn) const; bool do_goto_frame (size_t n, bool verbose); bool do_goto_frame_relative (int n, bool verbose); void do_goto_caller_frame (void); void do_goto_base_frame (void); void do_pop (void) { if (cs.size () > 1) { const stack_frame& elt = cs.back (); curr_frame = elt.m_prev; cs.pop_back (); const stack_frame& new_elt = cs[curr_frame]; symbol_table::set_scope_and_context (new_elt.m_scope, new_elt.m_context); } } void do_clear (void) { cs.clear (); } }; // Call a function with exceptions handled to avoid problems with // errors while shutting down. #define OCTAVE_IGNORE_EXCEPTION(E) \ catch (E) \ { \ std::cerr << "error: ignoring " #E " while preparing to exit" << std::endl; \ recover_from_exception (); \ } #define OCTAVE_SAFE_CALL(F, ARGS) \ do \ { \ try \ { \ octave::unwind_protect frame; \ \ frame.protect_var (Vdebug_on_error); \ frame.protect_var (Vdebug_on_warning); \ \ Vdebug_on_error = false; \ Vdebug_on_warning = false; \ \ F ARGS; \ } \ OCTAVE_IGNORE_EXCEPTION (const octave_interrupt_exception&) \ OCTAVE_IGNORE_EXCEPTION (const octave_execution_exception&) \ OCTAVE_IGNORE_EXCEPTION (const std::bad_alloc&) \ } \ while (0) #endif