Mercurial > octave
annotate libinterp/parse-tree/pt-pr-code.cc @ 28321:e10c25dd27f1 stable
fix printing of dynamic field names when printing parse tree
* pt-pr-code.cc (tree_print_code::visit_index_expression):
Print ".(" instead of "(" for dynamic field names.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 18 May 2020 13:38:54 -0400 |
parents | 08229481b65f |
children | b8ab8b58547d 0a5b15007766 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1996-2020 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
2123 | 25 |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
2123 | 28 #endif |
29 | |
3665 | 30 #include <cctype> |
31 | |
32 #include "comment-list.h" | |
2123 | 33 #include "error.h" |
2969 | 34 #include "ov-usr-fcn.h" |
2123 | 35 #include "pr-output.h" |
2988 | 36 #include "pt-all.h" |
2123 | 37 |
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38 namespace octave |
2123 | 39 { |
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40 void |
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41 tree_print_code::visit_anon_fcn_handle (tree_anon_fcn_handle& afh) |
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42 { |
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43 indent (); |
2123 | 44 |
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45 print_parens (afh, "("); |
2123 | 46 |
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47 m_os << "@"; |
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48 |
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49 tree_parameter_list *param_list = afh.parameter_list (); |
2123 | 50 |
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51 if (param_list) |
2123 | 52 param_list->accept (*this); |
53 | |
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54 print_fcn_handle_body (afh.expression ()); |
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55 |
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56 print_parens (afh, ")"); |
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57 } |
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58 |
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59 void |
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60 tree_print_code::visit_argument_list (tree_argument_list& lst) |
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61 { |
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62 auto p = lst.begin (); |
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63 |
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64 while (p != lst.end ()) |
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65 { |
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66 tree_expression *elt = *p++; |
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67 |
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68 if (elt) |
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69 { |
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70 elt->accept (*this); |
2123 | 71 |
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72 if (p != lst.end ()) |
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73 m_os << ", "; |
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74 } |
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75 } |
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76 } |
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77 |
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78 void |
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79 tree_print_code::visit_binary_expression (tree_binary_expression& expr) |
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80 { |
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81 indent (); |
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82 |
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83 print_parens (expr, "("); |
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84 |
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85 tree_expression *op1 = expr.lhs (); |
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86 |
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87 if (op1) |
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88 op1->accept (*this); |
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89 |
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90 m_os << ' ' << expr.oper () << ' '; |
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91 |
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92 tree_expression *op2 = expr.rhs (); |
2123 | 93 |
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94 if (op2) |
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95 op2->accept (*this); |
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96 |
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97 print_parens (expr, ")"); |
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98 } |
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99 |
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100 void |
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101 tree_print_code::visit_break_command (tree_break_command&) |
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102 { |
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103 indent (); |
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104 |
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105 m_os << "break"; |
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106 } |
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107 |
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108 void |
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109 tree_print_code::visit_colon_expression (tree_colon_expression& expr) |
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110 { |
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111 indent (); |
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112 |
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113 print_parens (expr, "("); |
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114 |
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115 tree_expression *op1 = expr.base (); |
2123 | 116 |
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117 if (op1) |
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118 op1->accept (*this); |
3665 | 119 |
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120 // Stupid syntax. |
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121 |
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122 tree_expression *op3 = expr.increment (); |
2123 | 123 |
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124 if (op3) |
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125 { |
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126 m_os << ':'; |
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127 op3->accept (*this); |
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128 } |
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129 |
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130 tree_expression *op2 = expr.limit (); |
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131 |
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132 if (op2) |
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133 { |
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134 m_os << ':'; |
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135 op2->accept (*this); |
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136 } |
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137 |
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138 print_parens (expr, ")"); |
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139 } |
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140 |
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141 void |
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142 tree_print_code::visit_continue_command (tree_continue_command&) |
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143 { |
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144 indent (); |
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145 |
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146 m_os << "continue"; |
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147 } |
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148 |
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149 void |
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150 tree_print_code::visit_decl_command (tree_decl_command& cmd) |
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151 { |
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152 indent (); |
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154 m_os << cmd.name () << ' '; |
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155 |
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156 tree_decl_init_list *init_list = cmd.initializer_list (); |
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157 |
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158 if (init_list) |
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159 init_list->accept (*this); |
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160 } |
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162 void |
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163 tree_print_code::visit_decl_init_list (tree_decl_init_list& lst) |
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164 { |
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165 auto p = lst.begin (); |
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167 while (p != lst.end ()) |
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168 { |
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169 tree_decl_elt *elt = *p++; |
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170 |
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171 if (elt) |
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172 { |
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173 elt->accept (*this); |
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175 if (p != lst.end ()) |
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176 m_os << ", "; |
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177 } |
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178 } |
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179 } |
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181 void |
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182 tree_print_code::visit_decl_elt (tree_decl_elt& cmd) |
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183 { |
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184 tree_identifier *id = cmd.ident (); |
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185 |
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186 if (id) |
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187 id->accept (*this); |
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188 |
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189 tree_expression *expr = cmd.expression (); |
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190 |
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191 if (expr) |
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192 { |
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193 m_os << " = "; |
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194 |
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195 expr->accept (*this); |
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196 } |
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197 } |
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198 |
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199 void |
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200 tree_print_code::visit_simple_for_command (tree_simple_for_command& cmd) |
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201 { |
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202 print_comment_list (cmd.leading_comment ()); |
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203 |
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204 indent (); |
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206 m_os << (cmd.in_parallel () ? "parfor " : "for "); |
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207 |
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208 tree_expression *lhs = cmd.left_hand_side (); |
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209 |
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210 tree_expression *maxproc = cmd.maxproc_expr (); |
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212 if (maxproc) |
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213 m_os << '('; |
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214 |
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215 if (lhs) |
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216 lhs->accept (*this); |
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217 |
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218 m_os << " = "; |
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219 |
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220 tree_expression *expr = cmd.control_expr (); |
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222 if (expr) |
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223 expr->accept (*this); |
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225 if (maxproc) |
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226 { |
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227 m_os << ", "; |
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228 maxproc->accept (*this); |
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229 m_os << ')'; |
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230 } |
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232 newline (); |
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233 |
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234 tree_statement_list *list = cmd.body (); |
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236 if (list) |
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237 { |
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238 increment_indent_level (); |
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239 |
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240 list->accept (*this); |
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242 decrement_indent_level (); |
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243 } |
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244 |
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245 print_indented_comment (cmd.trailing_comment ()); |
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247 indent (); |
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248 |
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249 m_os << (cmd.in_parallel () ? "endparfor" : "endfor"); |
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250 } |
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252 void |
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253 tree_print_code::visit_complex_for_command (tree_complex_for_command& cmd) |
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254 { |
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255 print_comment_list (cmd.leading_comment ()); |
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256 |
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257 indent (); |
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259 m_os << "for ["; |
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260 m_nesting.push ('['); |
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261 |
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262 tree_argument_list *lhs = cmd.left_hand_side (); |
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263 |
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264 if (lhs) |
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265 lhs->accept (*this); |
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267 m_nesting.pop (); |
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268 m_os << "] = "; |
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269 |
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270 tree_expression *expr = cmd.control_expr (); |
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271 |
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272 if (expr) |
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273 expr->accept (*this); |
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274 |
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275 newline (); |
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277 tree_statement_list *list = cmd.body (); |
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278 |
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279 if (list) |
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280 { |
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281 increment_indent_level (); |
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282 |
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283 list->accept (*this); |
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284 |
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285 decrement_indent_level (); |
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286 } |
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287 |
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288 print_indented_comment (cmd.trailing_comment ()); |
3665 | 289 |
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290 indent (); |
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291 |
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292 m_os << "endfor"; |
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293 } |
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294 |
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295 void |
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296 tree_print_code::visit_octave_user_script (octave_user_script& fcn) |
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297 { |
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298 reset (); |
2123 | 299 |
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300 tree_statement_list *cmd_list = fcn.body (); |
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301 |
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302 if (cmd_list) |
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303 cmd_list->accept (*this); |
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304 } |
2123 | 305 |
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306 void |
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307 tree_print_code::visit_octave_user_function (octave_user_function& fcn) |
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308 { |
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309 reset (); |
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310 |
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311 visit_octave_user_function_header (fcn); |
2123 | 312 |
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313 tree_statement_list *cmd_list = fcn.body (); |
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314 |
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315 if (cmd_list) |
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316 { |
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317 increment_indent_level (); |
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318 |
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319 cmd_list->accept (*this); |
2123 | 320 |
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321 // endfunction will decrement the indent level. |
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322 } |
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323 |
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324 visit_octave_user_function_trailer (fcn); |
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325 } |
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326 |
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327 void |
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328 tree_print_code::visit_octave_user_function_header (octave_user_function& fcn) |
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329 { |
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330 comment_list *leading_comment = fcn.leading_comment (); |
2123 | 331 |
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332 if (leading_comment) |
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333 { |
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334 print_comment_list (leading_comment); |
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335 newline (); |
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336 } |
2123 | 337 |
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338 indent (); |
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339 |
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340 m_os << "function "; |
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341 |
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342 tree_parameter_list *ret_list = fcn.return_list (); |
2123 | 343 |
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344 if (ret_list) |
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345 { |
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346 ret_list->accept (*this); |
2123 | 347 |
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348 m_os << " = "; |
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349 } |
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350 std::string fcn_name = fcn.name (); |
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351 |
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352 m_os << (fcn_name.empty () ? "(empty)" : fcn_name) << ' '; |
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353 |
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354 tree_parameter_list *param_list = fcn.parameter_list (); |
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355 |
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356 if (param_list) |
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357 param_list->accept (*this); |
4676 | 358 |
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359 newline (); |
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360 } |
2123 | 361 |
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362 void |
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363 tree_print_code::visit_octave_user_function_trailer (octave_user_function& fcn) |
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364 { |
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365 print_indented_comment (fcn.trailing_comment ()); |
2123 | 366 |
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367 newline (); |
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368 } |
3351 | 369 |
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370 void |
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371 tree_print_code::visit_function_def (tree_function_def& fdef) |
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372 { |
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373 indent (); |
3351 | 374 |
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375 octave_value fcn = fdef.function (); |
2123 | 376 |
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377 octave_function *f = fcn.function_value (); |
2123 | 378 |
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379 if (f) |
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380 f->accept (*this); |
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381 } |
2620 | 382 |
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383 void |
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384 tree_print_code::visit_identifier (tree_identifier& id) |
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385 { |
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386 indent (); |
2123 | 387 |
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388 print_parens (id, "("); |
4342 | 389 |
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390 std::string nm = id.name (); |
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391 m_os << (nm.empty () ? "(empty)" : nm); |
2123 | 392 |
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393 print_parens (id, ")"); |
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394 } |
2123 | 395 |
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396 void |
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397 tree_print_code::visit_if_clause (tree_if_clause& cmd) |
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398 { |
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399 tree_expression *expr = cmd.condition (); |
2123 | 400 |
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401 if (expr) |
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402 expr->accept (*this); |
2123 | 403 |
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404 newline (); |
2123 | 405 |
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406 tree_statement_list *list = cmd.commands (); |
2123 | 407 |
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408 if (list) |
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409 { |
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410 increment_indent_level (); |
2123 | 411 |
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412 list->accept (*this); |
2123 | 413 |
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414 decrement_indent_level (); |
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415 } |
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416 } |
2123 | 417 |
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418 void |
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419 tree_print_code::visit_if_command (tree_if_command& cmd) |
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420 { |
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421 print_comment_list (cmd.leading_comment ()); |
2123 | 422 |
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423 indent (); |
3665 | 424 |
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425 m_os << "if "; |
2846 | 426 |
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427 tree_if_command_list *list = cmd.cmd_list (); |
2846 | 428 |
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429 if (list) |
2846 | 430 list->accept (*this); |
431 | |
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432 print_indented_comment (cmd.trailing_comment ()); |
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433 |
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434 indent (); |
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435 |
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436 m_os << "endif"; |
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437 } |
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438 |
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439 void |
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440 tree_print_code::visit_if_command_list (tree_if_command_list& lst) |
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441 { |
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442 auto p = lst.begin (); |
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444 bool first_elt = true; |
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445 |
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446 while (p != lst.end ()) |
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447 { |
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448 tree_if_clause *elt = *p++; |
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449 |
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450 if (elt) |
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451 { |
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452 if (! first_elt) |
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453 { |
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454 print_indented_comment (elt->leading_comment ()); |
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455 |
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456 indent (); |
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458 if (elt->is_else_clause ()) |
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459 m_os << "else"; |
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460 else |
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461 m_os << "elseif "; |
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462 } |
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463 |
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464 elt->accept (*this); |
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465 } |
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466 |
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467 first_elt = false; |
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468 } |
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469 } |
2846 | 470 |
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471 void |
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472 tree_print_code::visit_index_expression (tree_index_expression& expr) |
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473 { |
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474 indent (); |
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475 |
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476 print_parens (expr, "("); |
2846 | 477 |
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478 tree_expression *e = expr.expression (); |
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479 |
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480 if (e) |
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481 e->accept (*this); |
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482 |
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483 std::list<tree_argument_list *> arg_lists = expr.arg_lists (); |
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484 std::string type_tags = expr.type_tags (); |
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485 std::list<string_vector> arg_names = expr.arg_names (); |
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486 std::list<tree_expression *> dyn_fields = expr.dyn_fields (); |
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488 int n = type_tags.length (); |
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490 auto p_arg_lists = arg_lists.begin (); |
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491 auto p_arg_names = arg_names.begin (); |
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492 auto p_dyn_fields = dyn_fields.begin (); |
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494 for (int i = 0; i < n; i++) |
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495 { |
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496 switch (type_tags[i]) |
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497 { |
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498 case '(': |
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499 { |
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500 char nc = m_nesting.top (); |
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501 if ((nc == '[' || nc == '{') && expr.paren_count () == 0) |
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502 m_os << '('; |
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503 else |
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504 m_os << " ("; |
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505 m_nesting.push ('('); |
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507 tree_argument_list *l = *p_arg_lists; |
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508 if (l) |
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509 l->accept (*this); |
2846 | 510 |
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511 m_nesting.pop (); |
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512 m_os << ')'; |
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513 } |
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514 break; |
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516 case '{': |
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517 { |
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518 char nc = m_nesting.top (); |
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519 if ((nc == '[' || nc == '{') && expr.paren_count () == 0) |
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520 m_os << '{'; |
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521 else |
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522 m_os << " {"; |
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523 // We only care about whitespace inside [] and {} when we |
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524 // are defining matrix and cell objects, not when indexing. |
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525 m_nesting.push ('('); |
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527 tree_argument_list *l = *p_arg_lists; |
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528 if (l) |
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529 l->accept (*this); |
3665 | 530 |
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531 m_nesting.pop (); |
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532 m_os << '}'; |
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533 } |
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534 break; |
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536 case '.': |
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537 { |
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538 std::string fn = (*p_arg_names)(0); |
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539 if (fn.empty ()) |
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540 { |
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541 tree_expression *df = *p_dyn_fields; |
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542 |
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543 if (df) |
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544 { |
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545 m_nesting.push ('('); |
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546 m_os << ".("; |
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547 df->accept (*this); |
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548 m_os << ")"; |
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549 m_nesting.pop (); |
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550 } |
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551 } |
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552 else |
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553 m_os << '.' << fn; |
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554 } |
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555 break; |
2846 | 556 |
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557 default: |
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558 panic_impossible (); |
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559 } |
2846 | 560 |
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561 p_arg_lists++; |
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562 p_arg_names++; |
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563 p_dyn_fields++; |
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564 } |
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565 |
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566 print_parens (expr, ")"); |
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567 } |
2846 | 568 |
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569 void |
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570 tree_print_code::visit_matrix (tree_matrix& lst) |
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571 { |
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572 indent (); |
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573 |
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574 print_parens (lst, "("); |
3665 | 575 |
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576 m_os << '['; |
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577 m_nesting.push ('['); |
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578 |
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579 auto p = lst.begin (); |
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580 |
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581 while (p != lst.end ()) |
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582 { |
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583 tree_argument_list *elt = *p++; |
2123 | 584 |
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585 if (elt) |
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586 { |
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587 elt->accept (*this); |
2123 | 588 |
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589 if (p != lst.end ()) |
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590 m_os << "; "; |
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591 } |
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592 } |
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593 |
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594 m_nesting.pop (); |
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595 m_os << ']'; |
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596 |
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597 print_parens (lst, ")"); |
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598 } |
2123 | 599 |
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600 void |
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601 tree_print_code::visit_cell (tree_cell& lst) |
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602 { |
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603 indent (); |
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604 |
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605 print_parens (lst, "("); |
2123 | 606 |
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607 m_os << '{'; |
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608 m_nesting.push ('{'); |
3665 | 609 |
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610 auto p = lst.begin (); |
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611 |
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612 while (p != lst.end ()) |
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613 { |
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614 tree_argument_list *elt = *p++; |
3665 | 615 |
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616 if (elt) |
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617 { |
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618 elt->accept (*this); |
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619 |
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620 if (p != lst.end ()) |
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621 m_os << "; "; |
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622 } |
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623 } |
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624 |
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625 m_nesting.pop (); |
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626 m_os << '}'; |
2123 | 627 |
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628 print_parens (lst, ")"); |
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629 } |
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630 |
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631 void |
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632 tree_print_code::visit_multi_assignment (tree_multi_assignment& expr) |
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633 { |
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634 indent (); |
3665 | 635 |
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636 print_parens (expr, "("); |
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637 |
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638 tree_argument_list *lhs = expr.left_hand_side (); |
2123 | 639 |
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640 if (lhs) |
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641 { |
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642 int len = lhs->length (); |
2123 | 643 |
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644 if (len > 1) |
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645 { |
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646 m_os << '['; |
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647 m_nesting.push ('['); |
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648 } |
17249
923ce8b42db2
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649 |
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650 lhs->accept (*this); |
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651 |
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652 if (len > 1) |
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653 { |
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654 m_nesting.pop (); |
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655 m_os << ']'; |
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656 } |
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657 } |
2123 | 658 |
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659 m_os << ' ' << expr.oper () << ' '; |
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660 |
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661 tree_expression *rhs = expr.right_hand_side (); |
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662 |
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663 if (rhs) |
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664 rhs->accept (*this); |
2123 | 665 |
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666 print_parens (expr, ")"); |
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667 } |
3665 | 668 |
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669 void |
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670 tree_print_code::visit_no_op_command (tree_no_op_command& cmd) |
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671 { |
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672 if (cmd.is_end_of_fcn_or_script () && m_curr_print_indent_level > 1) |
2123 | 673 decrement_indent_level (); |
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674 |
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675 indent (); |
2123 | 676 |
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677 m_os << cmd.original_command (); |
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678 } |
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679 |
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680 void |
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681 tree_print_code::visit_constant (tree_constant& val) |
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682 { |
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683 indent (); |
3665 | 684 |
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685 print_parens (val, "("); |
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686 |
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687 val.print_raw (m_os, true, m_print_original_text); |
2123 | 688 |
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689 print_parens (val, ")"); |
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690 } |
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691 |
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692 void |
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693 tree_print_code::visit_fcn_handle (tree_fcn_handle& fh) |
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694 { |
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695 indent (); |
2123 | 696 |
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697 print_parens (fh, "("); |
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698 |
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699 fh.print_raw (m_os, true, m_print_original_text); |
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700 |
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701 print_parens (fh, ")"); |
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702 } |
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703 |
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704 void |
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705 tree_print_code::visit_parameter_list (tree_parameter_list& lst) |
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706 { |
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707 bool is_input_list = lst.is_input_list (); |
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708 |
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709 if (is_input_list) |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
710 { |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
711 m_os << '('; |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
712 m_nesting.push ('('); |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
713 } |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
714 else |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
715 { |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
716 int len = lst.length (); |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
717 if (lst.takes_varargs ()) |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
718 len++; |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
719 |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
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diff
changeset
|
720 if (len != 1) |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
721 { |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
722 m_os << '['; |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
723 m_nesting.push ('['); |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
724 } |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
725 } |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
726 |
25337
3ff9192b676e
use auto keyword to declare iterator variables where possible
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
727 auto p = lst.begin (); |
2123 | 728 |
23075
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move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
729 while (p != lst.end ()) |
4e3d47dc7e25
move parse tree classes inside octave namespace
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diff
changeset
|
730 { |
4e3d47dc7e25
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diff
changeset
|
731 tree_decl_elt *elt = *p++; |
3665 | 732 |
23075
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diff
changeset
|
733 if (elt) |
4e3d47dc7e25
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diff
changeset
|
734 { |
4e3d47dc7e25
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diff
changeset
|
735 elt->accept (*this); |
3665 | 736 |
25797
8644e7df7fc7
print and save anonymous functions with varargin correctly (bug #45972)
Olaf Till <olaf.till@uni-jena.de>
parents:
25438
diff
changeset
|
737 if (p != lst.end () || lst.takes_varargs ()) |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
738 m_os << ", "; |
23075
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diff
changeset
|
739 } |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
740 } |
25828
8b548f2f8086
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
25797
diff
changeset
|
741 |
25797
8644e7df7fc7
print and save anonymous functions with varargin correctly (bug #45972)
Olaf Till <olaf.till@uni-jena.de>
parents:
25438
diff
changeset
|
742 if (lst.takes_varargs ()) |
28257
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
743 m_os << lst.varargs_symbol_name (); |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
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diff
changeset
|
744 |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
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diff
changeset
|
745 if (is_input_list) |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
746 { |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
747 m_nesting.pop (); |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
748 m_os << ')'; |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
749 } |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
750 else |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
28256
diff
changeset
|
751 { |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
752 int len = lst.length (); |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
753 if (lst.takes_varargs ()) |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
754 len++; |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
755 |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
756 if (len != 1) |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
757 { |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
758 m_nesting.pop (); |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
759 m_os << ']'; |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
760 } |
ae94e3fad6d4
fix printing of functions with varargin/varargout (bug #58279)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
761 } |
23075
4e3d47dc7e25
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diff
changeset
|
762 } |
2123 | 763 |
23075
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diff
changeset
|
764 void |
4e3d47dc7e25
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diff
changeset
|
765 tree_print_code::visit_postfix_expression (tree_postfix_expression& expr) |
4e3d47dc7e25
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diff
changeset
|
766 { |
4e3d47dc7e25
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changeset
|
767 indent (); |
3665 | 768 |
23075
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diff
changeset
|
769 print_parens (expr, "("); |
4e3d47dc7e25
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diff
changeset
|
770 |
4e3d47dc7e25
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changeset
|
771 tree_expression *e = expr.operand (); |
2123 | 772 |
23075
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changeset
|
773 if (e) |
4e3d47dc7e25
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changeset
|
774 e->accept (*this); |
2123 | 775 |
24846
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use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
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diff
changeset
|
776 m_os << expr.oper (); |
2123 | 777 |
23075
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changeset
|
778 print_parens (expr, ")"); |
4e3d47dc7e25
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changeset
|
779 } |
2123 | 780 |
23075
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
781 void |
4e3d47dc7e25
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changeset
|
782 tree_print_code::visit_prefix_expression (tree_prefix_expression& expr) |
4e3d47dc7e25
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diff
changeset
|
783 { |
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diff
changeset
|
784 indent (); |
4e3d47dc7e25
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diff
changeset
|
785 |
4e3d47dc7e25
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diff
changeset
|
786 print_parens (expr, "("); |
3665 | 787 |
24846
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
788 m_os << expr.oper (); |
23075
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diff
changeset
|
789 |
4e3d47dc7e25
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changeset
|
790 tree_expression *e = expr.operand (); |
3665 | 791 |
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diff
changeset
|
792 if (e) |
4e3d47dc7e25
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changeset
|
793 e->accept (*this); |
4e3d47dc7e25
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diff
changeset
|
794 |
4e3d47dc7e25
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diff
changeset
|
795 print_parens (expr, ")"); |
4e3d47dc7e25
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diff
changeset
|
796 } |
2123 | 797 |
23075
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diff
changeset
|
798 void |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
799 tree_print_code::visit_return_command (tree_return_command&) |
4e3d47dc7e25
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diff
changeset
|
800 { |
4e3d47dc7e25
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diff
changeset
|
801 indent (); |
3665 | 802 |
24846
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use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
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diff
changeset
|
803 m_os << "return"; |
23075
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diff
changeset
|
804 } |
2123 | 805 |
23075
4e3d47dc7e25
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diff
changeset
|
806 void |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
807 tree_print_code::visit_simple_assignment (tree_simple_assignment& expr) |
4e3d47dc7e25
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diff
changeset
|
808 { |
4e3d47dc7e25
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diff
changeset
|
809 indent (); |
2123 | 810 |
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diff
changeset
|
811 print_parens (expr, "("); |
2123 | 812 |
23075
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diff
changeset
|
813 tree_expression *lhs = expr.left_hand_side (); |
4e3d47dc7e25
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diff
changeset
|
814 |
4e3d47dc7e25
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diff
changeset
|
815 if (lhs) |
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changeset
|
816 lhs->accept (*this); |
4e3d47dc7e25
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diff
changeset
|
817 |
24846
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use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
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diff
changeset
|
818 m_os << ' ' << expr.oper () << ' '; |
2123 | 819 |
23075
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diff
changeset
|
820 tree_expression *rhs = expr.right_hand_side (); |
2123 | 821 |
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changeset
|
822 if (rhs) |
4e3d47dc7e25
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changeset
|
823 rhs->accept (*this); |
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changeset
|
824 |
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changeset
|
825 print_parens (expr, ")"); |
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diff
changeset
|
826 } |
2123 | 827 |
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|
828 void |
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diff
changeset
|
829 tree_print_code::visit_statement (tree_statement& stmt) |
4e3d47dc7e25
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|
830 { |
4e3d47dc7e25
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diff
changeset
|
831 print_comment_list (stmt.comment_text ()); |
3665 | 832 |
23075
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changeset
|
833 tree_command *cmd = stmt.command (); |
3665 | 834 |
23075
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diff
changeset
|
835 if (cmd) |
4e3d47dc7e25
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diff
changeset
|
836 { |
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diff
changeset
|
837 cmd->accept (*this); |
2123 | 838 |
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diff
changeset
|
839 newline (); |
4e3d47dc7e25
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diff
changeset
|
840 } |
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changeset
|
841 else |
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changeset
|
842 { |
4e3d47dc7e25
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changeset
|
843 tree_expression *expr = stmt.expression (); |
3665 | 844 |
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changeset
|
845 if (expr) |
4e3d47dc7e25
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changeset
|
846 { |
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diff
changeset
|
847 expr->accept (*this); |
2123 | 848 |
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changeset
|
849 if (! stmt.print_result ()) |
4e3d47dc7e25
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|
850 { |
24846
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use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
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diff
changeset
|
851 m_os << ';'; |
23075
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diff
changeset
|
852 newline (" "); |
4e3d47dc7e25
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parents:
22872
diff
changeset
|
853 } |
4e3d47dc7e25
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diff
changeset
|
854 else |
4e3d47dc7e25
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diff
changeset
|
855 newline (); |
4e3d47dc7e25
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parents:
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diff
changeset
|
856 } |
4e3d47dc7e25
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diff
changeset
|
857 } |
4e3d47dc7e25
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diff
changeset
|
858 } |
2123 | 859 |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
860 void |
4e3d47dc7e25
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diff
changeset
|
861 tree_print_code::visit_statement_list (tree_statement_list& lst) |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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|
862 { |
23449
c763214a8260
maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents:
23220
diff
changeset
|
863 for (tree_statement *elt : lst) |
23075
4e3d47dc7e25
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22872
diff
changeset
|
864 { |
4e3d47dc7e25
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diff
changeset
|
865 if (elt) |
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diff
changeset
|
866 elt->accept (*this); |
4e3d47dc7e25
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diff
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|
867 } |
4e3d47dc7e25
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diff
changeset
|
868 } |
3665 | 869 |
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diff
changeset
|
870 void |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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22872
diff
changeset
|
871 tree_print_code::visit_switch_case (tree_switch_case& cs) |
4e3d47dc7e25
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diff
changeset
|
872 { |
4e3d47dc7e25
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diff
changeset
|
873 print_comment_list (cs.leading_comment ()); |
3484 | 874 |
23075
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diff
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|
875 indent (); |
3484 | 876 |
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diff
changeset
|
877 if (cs.is_default_case ()) |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
878 m_os << "otherwise"; |
23075
4e3d47dc7e25
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diff
changeset
|
879 else |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
880 m_os << "case "; |
23075
4e3d47dc7e25
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diff
changeset
|
881 |
4e3d47dc7e25
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diff
changeset
|
882 tree_expression *label = cs.case_label (); |
4e3d47dc7e25
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diff
changeset
|
883 |
4e3d47dc7e25
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diff
changeset
|
884 if (label) |
4e3d47dc7e25
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diff
changeset
|
885 label->accept (*this); |
3484 | 886 |
23075
4e3d47dc7e25
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diff
changeset
|
887 newline (); |
4e3d47dc7e25
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diff
changeset
|
888 |
4e3d47dc7e25
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diff
changeset
|
889 tree_statement_list *list = cs.commands (); |
3665 | 890 |
23075
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diff
changeset
|
891 if (list) |
4e3d47dc7e25
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diff
changeset
|
892 { |
4e3d47dc7e25
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diff
changeset
|
893 increment_indent_level (); |
4e3d47dc7e25
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diff
changeset
|
894 |
4e3d47dc7e25
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diff
changeset
|
895 list->accept (*this); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
896 |
4e3d47dc7e25
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diff
changeset
|
897 newline (); |
3665 | 898 |
23075
4e3d47dc7e25
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diff
changeset
|
899 decrement_indent_level (); |
4e3d47dc7e25
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diff
changeset
|
900 } |
4e3d47dc7e25
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diff
changeset
|
901 } |
3484 | 902 |
23075
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
903 void |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
904 tree_print_code::visit_switch_command (tree_switch_command& cmd) |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
905 { |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
906 print_comment_list (cmd.leading_comment ()); |
3484 | 907 |
23075
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
908 indent (); |
4e3d47dc7e25
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diff
changeset
|
909 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
910 m_os << "switch "; |
23075
4e3d47dc7e25
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diff
changeset
|
911 |
4e3d47dc7e25
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diff
changeset
|
912 tree_expression *expr = cmd.switch_value (); |
3484 | 913 |
23075
4e3d47dc7e25
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diff
changeset
|
914 if (expr) |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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22872
diff
changeset
|
915 expr->accept (*this); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
916 |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
917 newline (); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
918 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
919 tree_switch_case_list *list = cmd.case_list (); |
4e3d47dc7e25
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22872
diff
changeset
|
920 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
921 if (list) |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
922 { |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
923 increment_indent_level (); |
3484 | 924 |
23075
4e3d47dc7e25
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diff
changeset
|
925 list->accept (*this); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
926 |
4e3d47dc7e25
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parents:
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diff
changeset
|
927 decrement_indent_level (); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
928 } |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
929 |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22872
diff
changeset
|
930 print_indented_comment (cmd.leading_comment ()); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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22872
diff
changeset
|
931 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
932 indent (); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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22872
diff
changeset
|
933 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
934 m_os << "endswitch"; |
23075
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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22872
diff
changeset
|
935 } |
3484 | 936 |
23075
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
937 void |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
938 tree_print_code::visit_try_catch_command (tree_try_catch_command& cmd) |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
939 { |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
940 print_comment_list (cmd.leading_comment ()); |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22872
diff
changeset
|
941 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
942 indent (); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
943 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
944 m_os << "try"; |
23075
4e3d47dc7e25
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diff
changeset
|
945 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
946 newline (); |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
947 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
948 tree_statement_list *try_code = cmd.body (); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
949 tree_identifier *expr_id = cmd.identifier (); |
11223
64e7538db12a
fix printing of newlines for anonymous function handle bodies
John W. Eaton <jwe@octave.org>
parents:
10315
diff
changeset
|
950 |
23075
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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22872
diff
changeset
|
951 if (try_code) |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
952 { |
4e3d47dc7e25
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diff
changeset
|
953 increment_indent_level (); |
4e3d47dc7e25
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diff
changeset
|
954 |
4e3d47dc7e25
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parents:
22872
diff
changeset
|
955 try_code->accept (*this); |
11223
64e7538db12a
fix printing of newlines for anonymous function handle bodies
John W. Eaton <jwe@octave.org>
parents:
10315
diff
changeset
|
956 |
23075
4e3d47dc7e25
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22872
diff
changeset
|
957 decrement_indent_level (); |
4e3d47dc7e25
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parents:
22872
diff
changeset
|
958 } |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
959 |
4e3d47dc7e25
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diff
changeset
|
960 print_indented_comment (cmd.middle_comment ()); |
4e3d47dc7e25
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22872
diff
changeset
|
961 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
962 indent (); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
963 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
964 m_os << "catch"; |
11223
64e7538db12a
fix printing of newlines for anonymous function handle bodies
John W. Eaton <jwe@octave.org>
parents:
10315
diff
changeset
|
965 |
23075
4e3d47dc7e25
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diff
changeset
|
966 if (expr_id) |
4e3d47dc7e25
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diff
changeset
|
967 { |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
968 m_os << ' '; |
23075
4e3d47dc7e25
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diff
changeset
|
969 expr_id->accept (*this); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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22872
diff
changeset
|
970 } |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
971 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
972 newline (); |
4e3d47dc7e25
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diff
changeset
|
973 |
4e3d47dc7e25
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22872
diff
changeset
|
974 tree_statement_list *catch_code = cmd.cleanup (); |
4e3d47dc7e25
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22872
diff
changeset
|
975 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
976 if (catch_code) |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
977 { |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
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22872
diff
changeset
|
978 increment_indent_level (); |
4e3d47dc7e25
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diff
changeset
|
979 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
980 catch_code->accept (*this); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
981 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
982 decrement_indent_level (); |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
983 } |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
984 |
4e3d47dc7e25
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John W. Eaton <jwe@octave.org>
parents:
22872
diff
changeset
|
985 print_indented_comment (cmd.trailing_comment ()); |
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986 |
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987 indent (); |
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988 |
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989 m_os << "end_try_catch"; |
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990 } |
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991 |
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992 void |
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993 tree_print_code::visit_unwind_protect_command (tree_unwind_protect_command& cmd) |
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994 { |
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995 print_comment_list (cmd.leading_comment ()); |
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996 |
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997 indent (); |
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998 |
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999 m_os << "unwind_protect"; |
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1000 |
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1001 newline (); |
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1002 |
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1003 tree_statement_list *unwind_protect_code = cmd.body (); |
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1004 |
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1005 if (unwind_protect_code) |
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1006 { |
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1007 increment_indent_level (); |
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1008 |
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1009 unwind_protect_code->accept (*this); |
2123 | 1010 |
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1011 decrement_indent_level (); |
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1012 } |
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1013 |
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1014 print_indented_comment (cmd.middle_comment ()); |
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1015 |
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1016 indent (); |
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1017 |
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1018 m_os << "unwind_protect_cleanup"; |
2900 | 1019 |
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1020 newline (); |
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1021 |
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1022 tree_statement_list *cleanup_code = cmd.cleanup (); |
2900 | 1023 |
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1024 if (cleanup_code) |
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1025 { |
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1026 increment_indent_level (); |
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1027 |
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1028 cleanup_code->accept (*this); |
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1029 |
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1030 decrement_indent_level (); |
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1031 } |
4980 | 1032 |
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1033 print_indented_comment (cmd.trailing_comment ()); |
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1034 |
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1035 indent (); |
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1036 |
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1037 m_os << "end_unwind_protect"; |
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1038 } |
2123 | 1039 |
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1040 void |
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1041 tree_print_code::visit_while_command (tree_while_command& cmd) |
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1042 { |
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1043 print_comment_list (cmd.leading_comment ()); |
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1044 |
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1045 indent (); |
2123 | 1046 |
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1047 m_os << "while "; |
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1048 |
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1049 tree_expression *expr = cmd.condition (); |
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1050 |
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1051 if (expr) |
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1052 expr->accept (*this); |
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1053 |
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1054 newline (); |
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1055 |
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1056 tree_statement_list *list = cmd.body (); |
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|
1057 |
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1058 if (list) |
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1059 { |
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1060 increment_indent_level (); |
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1061 |
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1062 list->accept (*this); |
2123 | 1063 |
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1064 decrement_indent_level (); |
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1065 } |
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1066 |
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1067 print_indented_comment (cmd.trailing_comment ()); |
2123 | 1068 |
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1069 indent (); |
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1070 |
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1071 m_os << "endwhile"; |
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1072 } |
2123 | 1073 |
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1074 void |
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1075 tree_print_code::visit_do_until_command (tree_do_until_command& cmd) |
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1076 { |
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1077 print_comment_list (cmd.leading_comment ()); |
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1078 |
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1079 indent (); |
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1080 |
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1081 m_os << "do"; |
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1082 |
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1083 newline (); |
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1084 |
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1085 tree_statement_list *list = cmd.body (); |
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1086 |
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1087 if (list) |
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1088 { |
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1089 increment_indent_level (); |
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1090 |
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1091 list->accept (*this); |
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1092 |
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1093 decrement_indent_level (); |
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1094 } |
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1095 |
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1096 print_indented_comment (cmd.trailing_comment ()); |
2123 | 1097 |
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1098 indent (); |
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1099 |
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1100 m_os << "until "; |
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1101 |
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1102 tree_expression *expr = cmd.condition (); |
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1103 |
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1104 if (expr) |
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1105 expr->accept (*this); |
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1106 |
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1107 newline (); |
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1108 } |
2961 | 1109 |
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1110 void |
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1111 tree_print_code::visit_superclass_ref (tree_superclass_ref& scr) |
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1112 { |
26718
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1113 m_os << scr.method_name () << "@" << scr.class_name (); |
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1114 } |
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1115 |
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1116 void |
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1117 tree_print_code::visit_metaclass_query (tree_metaclass_query& mcq) |
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1118 { |
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|
1119 m_os << "?" << mcq.class_name (); |
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1120 } |
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1121 |
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1122 void |
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1123 tree_print_code::print_fcn_handle_body (tree_expression *e) |
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1124 { |
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1125 if (e) |
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1126 { |
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1127 m_suppress_newlines++; |
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|
1128 e->accept (*this); |
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1129 m_suppress_newlines--; |
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1130 } |
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1131 } |
3665 | 1132 |
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1133 // Each print_code() function should call this before printing anything. |
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1134 |
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1135 void |
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1136 tree_print_code::indent (void) |
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1137 { |
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1138 assert (m_curr_print_indent_level >= 0); |
3665 | 1139 |
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1140 if (m_beginning_of_line) |
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1141 { |
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1142 m_os << m_prefix; |
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1143 |
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1144 m_os << std::string (m_curr_print_indent_level, ' '); |
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1145 |
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1146 m_beginning_of_line = false; |
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1147 } |
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1148 } |
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1149 |
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1150 // All print_code() functions should use this to print new lines. |
3665 | 1151 |
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1152 void |
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1153 tree_print_code::newline (const char *alt_txt) |
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1154 { |
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1155 if (m_suppress_newlines) |
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1156 m_os << alt_txt; |
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1157 else |
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1158 { |
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1159 // Print prefix for blank lines. |
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|
1160 indent (); |
18268
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|
1161 |
24846
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1162 m_os << "\n"; |
18268
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|
1163 |
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1164 m_beginning_of_line = true; |
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1165 } |
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1166 } |
3665 | 1167 |
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1168 // For resetting print_code state. |
3665 | 1169 |
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1170 void |
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1171 tree_print_code::reset (void) |
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1172 { |
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1173 m_beginning_of_line = true; |
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1174 m_curr_print_indent_level = 0; |
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1175 while (m_nesting.top () != 'n') |
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1176 m_nesting.pop (); |
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1177 } |
3665 | 1178 |
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1179 void |
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1180 tree_print_code::print_parens (const tree_expression& expr, const char *txt) |
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1181 { |
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1182 int n = expr.paren_count (); |
3665 | 1183 |
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1184 for (int i = 0; i < n; i++) |
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1185 m_os << txt; |
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1186 } |
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1187 |
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1188 void |
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|
1189 tree_print_code::print_comment_elt (const comment_elt& elt) |
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1190 { |
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1191 bool printed_something = false; |
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1192 |
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1193 bool prev_char_was_newline = false; |
3665 | 1194 |
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1195 std::string comment = elt.text (); |
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1196 |
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1197 size_t len = comment.length (); |
3665 | 1198 |
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1199 size_t i = 0; |
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1200 |
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1201 while (i < len && comment[i++] == '\n') |
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1202 ; // Skip leading new lines. |
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1203 i--; |
3665 | 1204 |
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1205 while (i < len) |
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1206 { |
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1207 char c = comment[i++]; |
3665 | 1208 |
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1209 if (c == '\n') |
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1210 { |
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1211 if (prev_char_was_newline) |
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1212 { |
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1213 printed_something = true; |
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1214 |
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1215 indent (); |
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1216 |
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1217 m_os << "##"; |
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1218 } |
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1219 |
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1220 newline (); |
3665 | 1221 |
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1222 prev_char_was_newline = true; |
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1223 } |
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1224 else |
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1225 { |
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|
1226 if (m_beginning_of_line) |
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1227 { |
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1228 printed_something = true; |
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1229 |
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1230 indent (); |
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1231 |
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1232 m_os << "##"; |
3665 | 1233 |
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1234 if (! (isspace (c) || c == '!')) |
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1235 m_os << ' '; |
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1236 } |
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1237 |
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1238 m_os << static_cast<char> (c); |
3665 | 1239 |
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1240 prev_char_was_newline = false; |
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1241 } |
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1242 } |
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1243 |
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|
1244 if (printed_something && ! m_beginning_of_line) |
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|
1245 newline (); |
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1246 } |
3665 | 1247 |
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1248 void |
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|
1249 tree_print_code::print_comment_list (comment_list *comment_list) |
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1250 { |
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1251 if (comment_list) |
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|
1252 { |
25337
3ff9192b676e
use auto keyword to declare iterator variables where possible
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1253 auto p = comment_list->begin (); |
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1254 |
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1255 while (p != comment_list->end ()) |
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1256 { |
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1257 comment_elt elt = *p++; |
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1258 |
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1259 print_comment_elt (elt); |
3665 | 1260 |
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1261 if (p != comment_list->end ()) |
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1262 newline (); |
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1263 } |
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1264 } |
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1265 } |
3665 | 1266 |
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1267 void |
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1268 tree_print_code::print_indented_comment (comment_list *comment_list) |
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1269 { |
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1270 increment_indent_level (); |
3665 | 1271 |
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1272 print_comment_list (comment_list); |
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1273 |
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1274 decrement_indent_level (); |
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1275 } |
3665 | 1276 } |