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annotate src/parse-tree/pt-loop.h @ 15097:7c7b9ea23a86 classdef

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maint: periodic merge of default to classdef
author John W. Eaton <jwe@octave.org>
date Fri, 03 Aug 2012 18:04:33 -0400
parents 46b19589b593
children
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1 /*
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2
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3 Copyright (C) 1996-2012 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if !defined (octave_tree_loop_h)
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24 #define octave_tree_loop_h 1
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25
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26 class octave_value;
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27 class octave_lvalue;
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28
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29 class tree_argument_list;
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30 class tree_expression;
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31 class tree_statement_list;
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32
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33 class tree_walker;
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34
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35 #include "comment-list.h"
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36 #include "pt-cmd.h"
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37 #include "symtab.h"
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38
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39 class jit_info;
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40
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41 // While.
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42
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43 class
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44 tree_while_command : public tree_command
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45 {
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46 public:
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47
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48 tree_while_command (int l = -1, int c = -1)
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49 : tree_command (l, c), expr (0), list (0), lead_comm (0),
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50 trail_comm (0)
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51 #ifdef HAVE_LLVM
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52 , compiled (0)
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53 #endif
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54 { }
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55
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56 tree_while_command (tree_expression *e,
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57 octave_comment_list *lc = 0,
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58 octave_comment_list *tc = 0,
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59 int l = -1, int c = -1)
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60 : tree_command (l, c), expr (e), list (0), lead_comm (lc),
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61 trail_comm (tc)
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62 #ifdef HAVE_LLVM
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63 , compiled (0)
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64 #endif
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65 { }
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66
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67 tree_while_command (tree_expression *e, tree_statement_list *lst,
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68 octave_comment_list *lc = 0,
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69 octave_comment_list *tc = 0,
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70 int l = -1, int c = -1)
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71 : tree_command (l, c), expr (e), list (lst), lead_comm (lc),
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72 trail_comm (tc)
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73 #ifdef HAVE_LLVM
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74 , compiled (0)
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75 #endif
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76 { }
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77
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78 ~tree_while_command (void);
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79
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80 tree_expression *condition (void) { return expr; }
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81
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82 tree_statement_list *body (void) { return list; }
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83
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84 octave_comment_list *leading_comment (void) { return lead_comm; }
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85
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86 octave_comment_list *trailing_comment (void) { return trail_comm; }
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87
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88 tree_command *dup (symbol_table::scope_id scope,
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89 symbol_table::context_id context) const;
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90
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91 void accept (tree_walker& tw);
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92
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93 #ifdef HAVE_LLVM
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94 // some functions use by tree_jit
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95 jit_info *get_info (void) const
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96 {
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97 return compiled;
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98 }
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99
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100 void stash_info (jit_info *jinfo)
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101 {
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102 compiled = jinfo;
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103 }
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104 #endif
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105
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106 protected:
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107
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108 // Expression to test.
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109 tree_expression *expr;
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110
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111 // List of commands to execute.
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112 tree_statement_list *list;
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113
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114 // Comment preceding WHILE token.
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115 octave_comment_list *lead_comm;
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116
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117 // Comment preceding ENDWHILE token.
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118 octave_comment_list *trail_comm;
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119
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120 private:
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121
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122 #ifdef HAVE_LLVM
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123 // compiled version of the loop
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124 jit_info *compiled;
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125 #endif
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126
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127 // No copying!
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128
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129 tree_while_command (const tree_while_command&);
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130
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131 tree_while_command& operator = (const tree_while_command&);
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132 };
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133
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134 // Do-Until.
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135
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136 class
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137 tree_do_until_command : public tree_while_command
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138 {
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139 public:
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140
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141 tree_do_until_command (int l = -1, int c = -1)
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142 : tree_while_command (l, c) { }
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143
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144 tree_do_until_command (tree_expression *e,
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145 octave_comment_list *lc = 0,
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146 octave_comment_list *tc = 0,
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147 int l = -1, int c = -1)
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148 : tree_while_command (e, lc, tc, l, c) { }
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149
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150 tree_do_until_command (tree_expression *e, tree_statement_list *lst,
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151 octave_comment_list *lc = 0,
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152 octave_comment_list *tc = 0,
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153 int l = -1, int c = -1)
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154 : tree_while_command (e, lst, lc, tc, l, c) { }
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155
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156 ~tree_do_until_command (void) { }
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157
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158 tree_command *dup (symbol_table::scope_id scope,
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159 symbol_table::context_id context) const;
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160
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161 void accept (tree_walker& tw);
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162
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163 private:
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164
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165 // No copying!
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166
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167 tree_do_until_command (const tree_do_until_command&);
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168
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169 tree_do_until_command& operator = (const tree_do_until_command&);
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170 };
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171
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172 // For.
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173
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174 class
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175 tree_simple_for_command : public tree_command
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176 {
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177 public:
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178
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179 tree_simple_for_command (int l = -1, int c = -1)
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180 : tree_command (l, c), parallel (false), lhs (0), expr (0),
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181 maxproc (0), list (0), lead_comm (0), trail_comm (0)
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182 #ifdef HAVE_LLVM
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183 , compiled (0)
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184 #endif
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185 { }
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186
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187 tree_simple_for_command (bool parallel_arg, tree_expression *le,
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188 tree_expression *re,
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189 tree_expression *maxproc_arg,
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190 tree_statement_list *lst,
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191 octave_comment_list *lc = 0,
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192 octave_comment_list *tc = 0,
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193 int l = -1, int c = -1)
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194 : tree_command (l, c), parallel (parallel_arg), lhs (le),
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195 expr (re), maxproc (maxproc_arg), list (lst),
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196 lead_comm (lc), trail_comm (tc)
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197 #ifdef HAVE_LLVM
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198 , compiled (0)
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199 #endif
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200 { }
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201
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202 ~tree_simple_for_command (void);
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203
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204 bool in_parallel (void) { return parallel; }
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205
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206 tree_expression *left_hand_side (void) { return lhs; }
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207
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208 tree_expression *control_expr (void) { return expr; }
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209
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210 tree_expression *maxproc_expr (void) { return maxproc; }
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211
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212 tree_statement_list *body (void) { return list; }
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213
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214 octave_comment_list *leading_comment (void) { return lead_comm; }
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215
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216 octave_comment_list *trailing_comment (void) { return trail_comm; }
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217
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218 tree_command *dup (symbol_table::scope_id scope,
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219 symbol_table::context_id context) const;
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220
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221 void accept (tree_walker& tw);
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222
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223 #ifdef HAVE_LLVM
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224 // some functions use by tree_jit
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225 jit_info *get_info (void) const
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226 {
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227 return compiled;
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228 }
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229
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230 void stash_info (jit_info *jinfo)
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231 {
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232 compiled = jinfo;
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233 }
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234 #endif
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235
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236 private:
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237 // TRUE means operate in parallel (subject to the value of the
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238 // maxproc expression).
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239 bool parallel;
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240
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241 // Expression to modify.
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242 tree_expression *lhs;
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243
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244 // Expression to evaluate.
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245 tree_expression *expr;
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246
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247 // Expression to tell how many processors should be used (only valid
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248 // if parallel is TRUE).
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249 tree_expression *maxproc;
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250
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251 // List of commands to execute.
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252 tree_statement_list *list;
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253
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254 // Comment preceding FOR token.
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255 octave_comment_list *lead_comm;
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256
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257 // Comment preceding ENDFOR token.
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258 octave_comment_list *trail_comm;
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259
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260 // compiled version of the loop
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261 jit_info *compiled;
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262
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263 // No copying!
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264
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265 tree_simple_for_command (const tree_simple_for_command&);
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266
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267 tree_simple_for_command& operator = (const tree_simple_for_command&);
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268 };
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269
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270 class
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271 tree_complex_for_command : public tree_command
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272 {
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273 public:
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274
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275 tree_complex_for_command (int l = -1, int c = -1)
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276 : tree_command (l, c), lhs (0), expr (0), list (0), lead_comm (0),
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277 trail_comm (0) { }
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278
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279 tree_complex_for_command (tree_argument_list *le, tree_expression *re,
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280 tree_statement_list *lst,
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281 octave_comment_list *lc = 0,
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282 octave_comment_list *tc = 0,
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283 int l = -1, int c = -1)
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284 : tree_command (l, c), lhs (le), expr (re), list (lst),
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285 lead_comm (lc), trail_comm (tc) { }
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286
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287 ~tree_complex_for_command (void);
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288
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289 tree_argument_list *left_hand_side (void) { return lhs; }
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290
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291 tree_expression *control_expr (void) { return expr; }
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292
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293 tree_statement_list *body (void) { return list; }
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294
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295 octave_comment_list *leading_comment (void) { return lead_comm; }
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296
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297 octave_comment_list *trailing_comment (void) { return trail_comm; }
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298
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299 tree_command *dup (symbol_table::scope_id scope,
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300 symbol_table::context_id context) const;
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301
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302 void accept (tree_walker& tw);
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303
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304 private:
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305
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306 // Expression to modify.
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307 tree_argument_list *lhs;
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308
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309 // Expression to evaluate.
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310 tree_expression *expr;
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311
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312 // List of commands to execute.
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313 tree_statement_list *list;
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314
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315 // Comment preceding FOR token.
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316 octave_comment_list *lead_comm;
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317
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318 // Comment preceding ENDFOR token.
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319 octave_comment_list *trail_comm;
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320
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321 // No copying!
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322
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323 tree_complex_for_command (const tree_complex_for_command&);
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324
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325 tree_complex_for_command& operator = (const tree_complex_for_command&);
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326 };
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327
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328 #endif