Mercurial > hg > octave-lyh
annotate libinterp/octave-value/ov-fcn.h @ 17535:c12c688a35ed default tip lyh
Fix warnings
author | LYH <lyh.kernel@gmail.com> |
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date | Fri, 27 Sep 2013 17:43:27 +0800 |
parents | de91b1621260 |
children | 856cb7cba231 |
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2974 | 1 /* |
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3 Copyright (C) 1996-2012 John W. Eaton |
2974 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
2974 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
2974 | 20 |
21 */ | |
22 | |
23 #if !defined (octave_function_h) | |
24 #define octave_function_h 1 | |
25 | |
26 #include <string> | |
27 | |
3258 | 28 #include "oct-time.h" |
3325 | 29 #include "str-vec.h" |
3258 | 30 |
2974 | 31 #include "oct-alloc.h" |
4748 | 32 #include "oct-obj.h" |
2974 | 33 #include "ov-base.h" |
34 #include "ov-typeinfo.h" | |
7336 | 35 #include "symtab.h" |
2974 | 36 |
2976 | 37 class tree_walker; |
38 | |
2974 | 39 // Functions. |
40 | |
41 class | |
6109 | 42 OCTINTERP_API |
2974 | 43 octave_function : public octave_base_value |
44 { | |
45 public: | |
46 | |
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47 octave_function (void) |
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48 : relative (false), locked (false), private_function (false), |
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49 xdispatch_class (), my_name (), my_dir_name (), doc () { } |
2974 | 50 |
51 ~octave_function (void) { } | |
52 | |
5759 | 53 octave_base_value *clone (void) const; |
54 octave_base_value *empty_clone (void) const; | |
2974 | 55 |
56 bool is_defined (void) const { return true; } | |
57 | |
58 bool is_function (void) const { return true; } | |
59 | |
3544 | 60 virtual bool is_system_fcn_file (void) const { return false; } |
2974 | 61 |
3523 | 62 virtual std::string fcn_file_name (void) const { return std::string (); } |
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63 |
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64 virtual std::string src_file_name (void) const { return std::string (); } |
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65 |
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66 // The name to show in the profiler (also used as map-key). |
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67 virtual std::string profiler_name (void) const { return name (); } |
2974 | 68 |
6323 | 69 virtual std::string parent_fcn_name (void) const { return std::string (); } |
70 | |
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71 virtual symbol_table::scope_id parent_fcn_scope (void) const { return -1; } |
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72 |
3255 | 73 virtual void mark_fcn_file_up_to_date (const octave_time&) { } |
3166 | 74 |
7336 | 75 virtual symbol_table::scope_id scope (void) { return -1; } |
76 | |
3255 | 77 virtual octave_time time_parsed (void) const |
78 { return octave_time (static_cast<time_t> (0)); } | |
2974 | 79 |
3255 | 80 virtual octave_time time_checked (void) const |
81 { return octave_time (static_cast<time_t> (0)); } | |
3166 | 82 |
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83 virtual bool is_subfunction (void) const { return false; } |
4343 | 84 |
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85 virtual bool is_class_constructor (const std::string& = std::string ()) const |
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86 { return false; } |
5744 | 87 |
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88 virtual bool is_class_method (const std::string& = std::string ()) const |
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89 { return false; } |
7336 | 90 |
4748 | 91 virtual bool takes_varargs (void) const { return false; } |
92 | |
93 virtual bool takes_var_return (void) const { return false; } | |
94 | |
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95 void stash_dispatch_class (const std::string& nm) { xdispatch_class = nm; } |
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96 |
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97 std::string dispatch_class (void) const { return xdispatch_class; } |
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98 |
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99 virtual void |
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100 mark_as_private_function (const std::string& cname = std::string ()) |
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101 { |
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102 private_function = true; |
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103 xdispatch_class = cname; |
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104 } |
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105 |
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106 bool is_private_function (void) const { return private_function; } |
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107 |
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108 bool is_private_function_of_class (const std::string& nm) const |
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109 { return private_function && xdispatch_class == nm; } |
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110 |
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111 virtual bool |
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112 is_anonymous_function_of_class (const std::string& = std::string ()) const |
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113 { return false; } |
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114 |
7336 | 115 std::string dir_name (void) const { return my_dir_name; } |
116 | |
117 void stash_dir_name (const std::string& dir) { my_dir_name = dir; } | |
118 | |
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119 void lock (void) |
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120 { |
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121 this->lock_subfunctions (); |
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122 locked = true; |
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123 } |
7336 | 124 |
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125 void unlock (void) |
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126 { |
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127 this->unlock_subfunctions (); |
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128 locked = false; |
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129 } |
7336 | 130 |
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131 bool islocked (void) const { return locked; } |
7336 | 132 |
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133 virtual void lock_subfunctions (void) { } |
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134 |
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135 virtual void unlock_subfunctions (void) { } |
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136 |
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137 virtual void maybe_relocate_end (void) { } |
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138 |
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139 // Not valid until after the function is completley parsed. |
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140 virtual bool has_subfunctions (void) const { return false; } |
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141 |
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142 virtual void stash_subfunction_names (const std::list<std::string>&) { } |
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143 |
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144 virtual std::list<std::string> subfunction_names (void) const |
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145 { |
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146 return std::list<std::string> (); |
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147 } |
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148 |
6323 | 149 void mark_relative (void) { relative = true; } |
150 | |
151 bool is_relative (void) const { return relative; } | |
152 | |
3523 | 153 std::string name (void) const { return my_name; } |
2974 | 154 |
5823 | 155 void document (const std::string& ds) { doc = ds; } |
156 | |
3523 | 157 std::string doc_string (void) const { return doc; } |
2974 | 158 |
3325 | 159 virtual void unload (void) { } |
160 | |
2976 | 161 virtual void accept (tree_walker&) { } |
162 | |
2974 | 163 protected: |
164 | |
5864 | 165 octave_function (const std::string& nm, |
10313 | 166 const std::string& ds = std::string ()) |
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167 : relative (false), locked (false), private_function (false), |
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168 xdispatch_class (), my_name (nm), my_dir_name (), doc (ds) { } |
6323 | 169 |
170 // TRUE if this function was found from a relative path element. | |
171 bool relative; | |
2974 | 172 |
7336 | 173 // TRUE if this function is tagged so that it can't be cleared. |
174 bool locked; | |
175 | |
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176 // TRUE means this is a private function. |
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177 bool private_function; |
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178 |
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179 // If this object is a class method or constructor, or a private |
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180 // function inside a class directory, this is the name of the class |
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181 // to which the method belongs. |
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182 std::string xdispatch_class; |
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183 |
2974 | 184 // The name of this function. |
3523 | 185 std::string my_name; |
2974 | 186 |
7336 | 187 // The name of the directory in the path where we found this |
188 // function. May be relative. | |
189 std::string my_dir_name; | |
190 | |
2974 | 191 // The help text for this function. |
3523 | 192 std::string doc; |
2974 | 193 |
3325 | 194 private: |
195 | |
4645 | 196 // No copying! |
197 | |
198 octave_function (const octave_function& f); | |
199 | |
200 octave_function& operator = (const octave_function& f); | |
201 | |
3219 | 202 DECLARE_OCTAVE_ALLOCATOR |
2974 | 203 }; |
204 | |
205 #endif |