Mercurial > hg > octave-nkf
annotate src/ov-fcn.h @ 8870:eea0e1b45ec0
optimize string manipulation in lookfor
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Wed, 25 Feb 2009 10:21:33 +0100 |
| parents | 70f5a0375afd |
| children | eb63fbe60fab |
| rev | line source |
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| 2974 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005, |
| 4 2006, 2007 John W. Eaton | |
| 2974 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 2974 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 2974 | 21 |
| 22 */ | |
| 23 | |
| 24 #if !defined (octave_function_h) | |
| 25 #define octave_function_h 1 | |
| 26 | |
| 27 #include <string> | |
| 28 | |
| 3258 | 29 #include "oct-time.h" |
| 3325 | 30 #include "str-vec.h" |
| 3258 | 31 |
| 2974 | 32 #include "oct-alloc.h" |
| 4748 | 33 #include "oct-obj.h" |
| 2974 | 34 #include "ov-base.h" |
| 35 #include "ov-typeinfo.h" | |
| 7336 | 36 #include "symtab.h" |
| 2974 | 37 |
| 2976 | 38 class tree_walker; |
| 39 | |
| 2974 | 40 // Functions. |
| 41 | |
| 42 class | |
| 6109 | 43 OCTINTERP_API |
| 2974 | 44 octave_function : public octave_base_value |
| 45 { | |
| 46 public: | |
| 47 | |
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48 octave_function (void) |
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49 : relative (false), locked (false), private_function (false), |
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50 xdispatch_class (), my_name (), my_dir_name (), doc () { } |
| 2974 | 51 |
| 52 ~octave_function (void) { } | |
| 53 | |
| 5759 | 54 octave_base_value *clone (void) const; |
| 55 octave_base_value *empty_clone (void) const; | |
| 2974 | 56 |
| 57 bool is_defined (void) const { return true; } | |
| 58 | |
| 59 bool is_function (void) const { return true; } | |
| 60 | |
| 3544 | 61 virtual bool is_system_fcn_file (void) const { return false; } |
| 2974 | 62 |
| 3523 | 63 virtual std::string fcn_file_name (void) const { return std::string (); } |
| 2974 | 64 |
| 6323 | 65 virtual std::string parent_fcn_name (void) const { return std::string (); } |
| 66 | |
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67 virtual symbol_table::scope_id parent_fcn_scope (void) const { return -1; } |
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68 |
| 3255 | 69 virtual void mark_fcn_file_up_to_date (const octave_time&) { } |
| 3166 | 70 |
| 7336 | 71 virtual symbol_table::scope_id scope (void) { return -1; } |
| 72 | |
| 3255 | 73 virtual octave_time time_parsed (void) const |
| 74 { return octave_time (static_cast<time_t> (0)); } | |
| 2974 | 75 |
| 3255 | 76 virtual octave_time time_checked (void) const |
| 77 { return octave_time (static_cast<time_t> (0)); } | |
| 3166 | 78 |
| 4343 | 79 virtual bool is_nested_function (void) const { return false; } |
| 80 | |
| 7336 | 81 virtual bool is_class_constructor (void) const { return false; } |
| 5744 | 82 |
| 7336 | 83 virtual bool is_class_method (void) const { return false; } |
| 84 | |
| 4748 | 85 virtual bool takes_varargs (void) const { return false; } |
| 86 | |
| 87 virtual bool takes_var_return (void) const { return false; } | |
| 88 | |
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89 void stash_dispatch_class (const std::string& nm) { xdispatch_class = nm; } |
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90 |
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91 std::string dispatch_class (void) const { return xdispatch_class; } |
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92 |
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93 void mark_as_private_function (const std::string& cname = std::string ()) |
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94 { |
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95 private_function = true; |
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96 xdispatch_class = cname; |
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97 } |
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98 |
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99 bool is_private_function (void) const { return private_function; } |
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100 |
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101 bool is_private_function_of_class (const std::string& nm) |
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102 { return private_function && xdispatch_class == nm; } |
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103 |
| 7336 | 104 std::string dir_name (void) const { return my_dir_name; } |
| 105 | |
| 106 void stash_dir_name (const std::string& dir) { my_dir_name = dir; } | |
| 107 | |
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108 void lock (void) |
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109 { |
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110 this->lock_subfunctions (); |
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111 locked = true; |
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112 } |
| 7336 | 113 |
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114 void unlock (void) |
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115 { |
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116 this->unlock_subfunctions (); |
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117 locked = false; |
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118 } |
| 7336 | 119 |
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120 bool islocked (void) const { return locked; } |
| 7336 | 121 |
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122 virtual void lock_subfunctions (void) { } |
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123 |
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124 virtual void unlock_subfunctions (void) { } |
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125 |
| 6323 | 126 void mark_relative (void) { relative = true; } |
| 127 | |
| 128 bool is_relative (void) const { return relative; } | |
| 129 | |
| 3523 | 130 std::string name (void) const { return my_name; } |
| 2974 | 131 |
| 5823 | 132 void document (const std::string& ds) { doc = ds; } |
| 133 | |
| 3523 | 134 std::string doc_string (void) const { return doc; } |
| 2974 | 135 |
| 3325 | 136 virtual void unload (void) { } |
| 137 | |
| 2976 | 138 virtual void accept (tree_walker&) { } |
| 139 | |
| 2974 | 140 protected: |
| 141 | |
| 5864 | 142 octave_function (const std::string& nm, |
| 143 const std::string& ds = std::string ()) | |
| 6323 | 144 : relative (false), my_name (nm), doc (ds) { } |
| 145 | |
| 146 // TRUE if this function was found from a relative path element. | |
| 147 bool relative; | |
| 2974 | 148 |
| 7336 | 149 // TRUE if this function is tagged so that it can't be cleared. |
| 150 bool locked; | |
| 151 | |
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152 // TRUE means this is a private function. |
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153 bool private_function; |
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154 |
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155 // If this object is a class method or constructor, or a private |
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156 // function inside a class directory, this is the name of the class |
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157 // to which the method belongs. |
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158 std::string xdispatch_class; |
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159 |
| 2974 | 160 // The name of this function. |
| 3523 | 161 std::string my_name; |
| 2974 | 162 |
| 7336 | 163 // The name of the directory in the path where we found this |
| 164 // function. May be relative. | |
| 165 std::string my_dir_name; | |
| 166 | |
| 2974 | 167 // The help text for this function. |
| 3523 | 168 std::string doc; |
| 2974 | 169 |
| 3325 | 170 private: |
| 171 | |
| 4645 | 172 // No copying! |
| 173 | |
| 174 octave_function (const octave_function& f); | |
| 175 | |
| 176 octave_function& operator = (const octave_function& f); | |
| 177 | |
| 3219 | 178 DECLARE_OCTAVE_ALLOCATOR |
| 2974 | 179 }; |
| 180 | |
| 181 #endif | |
| 182 | |
| 183 /* | |
| 6705 | 184 ;;; Local Variables: *** |
| 185 ;;; mode: C++ *** | |
| 186 ;;; End: *** | |
| 2974 | 187 */ |