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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if defined (__GNUG__) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include <cctype> |
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32 |
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3503
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33 #include <iostream> |
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34 |
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35 #include "comment-list.h" |
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36 #include "error.h" |
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37 #include "ov-usr-fcn.h" |
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38 #include "pr-output.h" |
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2988
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39 #include "pt-all.h" |
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40 |
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41 void |
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42 tree_print_code::visit_argument_list (tree_argument_list& lst) |
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43 { |
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44 Pix p = lst.first (); |
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45 |
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46 while (p) |
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47 { |
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48 tree_expression *elt = lst (p); |
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49 |
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50 lst.next (p); |
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51 |
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52 if (elt) |
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53 { |
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54 elt->accept (*this); |
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55 |
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56 if (p) |
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57 os << ", "; |
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58 } |
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59 } |
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60 } |
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61 |
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62 void |
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63 tree_print_code::visit_binary_expression (tree_binary_expression& expr) |
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64 { |
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65 indent (); |
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66 |
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67 print_parens (expr, "("); |
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68 |
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69 tree_expression *op1 = expr.lhs (); |
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70 |
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71 if (op1) |
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72 op1->accept (*this); |
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73 |
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74 os << " " << expr.oper () << " "; |
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75 |
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76 tree_expression *op2 = expr.rhs (); |
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77 |
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78 if (op2) |
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79 op2->accept (*this); |
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80 |
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81 print_parens (expr, ")"); |
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82 } |
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83 |
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84 void |
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85 tree_print_code::visit_break_command (tree_break_command&) |
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86 { |
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87 indent (); |
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88 |
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89 os << "break"; |
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90 } |
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91 |
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92 void |
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93 tree_print_code::visit_colon_expression (tree_colon_expression& expr) |
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94 { |
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95 indent (); |
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96 |
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97 print_parens (expr, "("); |
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98 |
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99 tree_expression *op1 = expr.base (); |
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100 |
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101 if (op1) |
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102 op1->accept (*this); |
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103 |
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104 // Stupid syntax. |
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105 |
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106 tree_expression *op3 = expr.increment (); |
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107 |
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108 if (op3) |
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109 { |
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110 os << ":"; |
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111 op3->accept (*this); |
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112 } |
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113 |
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114 tree_expression *op2 = expr.limit (); |
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115 |
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116 if (op2) |
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117 { |
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118 os << ":"; |
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119 op2->accept (*this); |
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120 } |
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121 |
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122 print_parens (expr, ")"); |
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123 } |
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124 |
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125 void |
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126 tree_print_code::visit_continue_command (tree_continue_command&) |
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127 { |
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128 indent (); |
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129 |
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130 os << "continue"; |
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131 } |
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132 |
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133 void |
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134 tree_print_code::visit_decl_command (tree_decl_command& cmd) |
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135 { |
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136 indent (); |
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137 |
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138 os << cmd.name () << " "; |
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139 |
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140 tree_decl_init_list *init_list = cmd.initializer_list (); |
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141 |
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142 if (init_list) |
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143 init_list->accept (*this); |
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144 } |
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145 |
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146 void |
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147 tree_print_code::visit_decl_elt (tree_decl_elt& cmd) |
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148 { |
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149 tree_identifier *id = cmd.ident (); |
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150 |
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151 if (id) |
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152 id->accept (*this); |
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153 |
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154 tree_expression *expr = cmd.expression (); |
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155 |
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156 if (expr) |
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157 { |
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158 os << " = "; |
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159 |
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160 expr->accept (*this); |
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161 } |
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162 } |
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163 |
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164 void |
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165 tree_print_code::visit_decl_init_list (tree_decl_init_list& lst) |
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166 { |
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167 Pix p = lst.first (); |
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168 |
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169 while (p) |
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170 { |
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171 tree_decl_elt *elt = lst (p); |
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172 |
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173 lst.next (p); |
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174 |
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175 if (elt) |
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176 { |
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177 elt->accept (*this); |
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178 |
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179 if (p) |
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180 os << ", "; |
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181 } |
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182 } |
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183 } |
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184 |
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185 void |
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186 tree_print_code::visit_simple_for_command (tree_simple_for_command& cmd) |
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187 { |
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188 print_comment_list (cmd.leading_comment ()); |
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189 |
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190 indent (); |
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191 |
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192 os << "for "; |
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193 |
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194 tree_expression *lhs = cmd.left_hand_side (); |
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195 |
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196 if (lhs) |
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197 lhs->accept (*this); |
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198 |
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199 os << " = "; |
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200 |
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201 tree_expression *expr = cmd.control_expr (); |
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202 |
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203 if (expr) |
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204 expr->accept (*this); |
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205 |
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206 newline (); |
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207 |
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208 tree_statement_list *list = cmd.body (); |
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209 |
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210 if (list) |
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211 { |
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212 increment_indent_level (); |
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213 |
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214 list->accept (*this); |
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215 |
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216 decrement_indent_level (); |
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217 } |
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218 |
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219 print_indented_comment (cmd.trailing_comment ()); |
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220 |
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221 indent (); |
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222 |
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223 os << "endfor"; |
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224 } |
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225 |
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226 void |
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227 tree_print_code::visit_complex_for_command (tree_complex_for_command& cmd) |
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228 { |
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229 print_comment_list (cmd.leading_comment ()); |
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230 |
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231 indent (); |
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232 |
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233 os << "for ["; |
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234 |
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235 tree_argument_list *lhs = cmd.left_hand_side (); |
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236 |
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237 if (lhs) |
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238 lhs->accept (*this); |
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239 |
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240 os << "] = "; |
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241 |
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242 tree_expression *expr = cmd.control_expr (); |
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243 |
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244 if (expr) |
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245 expr->accept (*this); |
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246 |
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247 newline (); |
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248 |
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249 tree_statement_list *list = cmd.body (); |
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250 |
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251 if (list) |
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252 { |
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253 increment_indent_level (); |
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254 |
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255 list->accept (*this); |
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256 |
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257 decrement_indent_level (); |
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258 } |
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259 |
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260 print_indented_comment (cmd.trailing_comment ()); |
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261 |
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262 indent (); |
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263 |
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264 os << "endfor"; |
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265 } |
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266 |
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267 void |
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268 tree_print_code::visit_octave_user_function (octave_user_function& fcn) |
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269 { |
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270 reset (); |
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271 |
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272 visit_octave_user_function_header (fcn); |
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273 |
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274 tree_statement_list *cmd_list = fcn.body (); |
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275 |
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276 if (cmd_list) |
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277 { |
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278 increment_indent_level (); |
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279 |
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280 cmd_list->accept (*this); |
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281 |
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282 decrement_indent_level (); |
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283 } |
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284 |
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285 visit_octave_user_function_trailer (fcn); |
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286 } |
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287 |
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288 void |
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289 tree_print_code::visit_octave_user_function_header (octave_user_function& fcn) |
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290 { |
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291 octave_comment_list *leading_comment = fcn.leading_comment (); |
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292 |
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293 if (leading_comment) |
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294 { |
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295 print_comment_list (leading_comment); |
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296 newline (); |
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297 } |
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298 |
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299 indent (); |
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300 |
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301 os << "function "; |
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302 |
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303 tree_parameter_list *ret_list = fcn.return_list (); |
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304 |
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305 if (ret_list) |
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306 { |
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307 bool takes_var_return = fcn.takes_var_return (); |
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308 |
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309 int len = ret_list->length (); |
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310 |
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311 if (len > 1 || takes_var_return) |
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312 os << "["; |
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313 |
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314 ret_list->accept (*this); |
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315 |
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316 if (takes_var_return) |
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317 { |
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318 if (len > 0) |
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319 os << ", "; |
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320 |
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321 os << "..."; |
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322 } |
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323 |
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324 if (len > 1 || takes_var_return) |
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325 os << "]"; |
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326 |
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327 os << " = "; |
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328 } |
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329 |
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330 std::string fcn_name = fcn.function_name (); |
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331 |
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332 os << (fcn_name.empty () ? std::string ("(empty)") : fcn_name) << " "; |
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333 |
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334 tree_parameter_list *param_list = fcn.parameter_list (); |
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335 |
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336 if (param_list) |
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337 { |
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338 bool takes_varargs = fcn.takes_varargs (); |
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339 |
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340 int len = param_list->length (); |
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341 |
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342 if (len > 0 || takes_varargs) |
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343 os << "("; |
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344 |
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345 param_list->accept (*this); |
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346 |
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347 if (takes_varargs) |
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348 { |
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349 if (len > 0) |
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350 os << ", "; |
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351 |
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352 os << "..."; |
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353 } |
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354 |
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355 if (len > 0 || takes_varargs) |
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356 { |
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357 os << ")"; |
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358 newline (); |
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359 } |
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360 } |
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361 else |
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362 { |
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363 os << "()"; |
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364 newline (); |
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365 } |
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366 } |
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367 |
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368 void |
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369 tree_print_code::visit_octave_user_function_trailer (octave_user_function& fcn) |
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370 { |
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371 print_indented_comment (fcn.trailing_comment ()); |
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372 |
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373 indent (); |
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374 |
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375 os << "endfunction"; |
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376 |
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377 newline (); |
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378 } |
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379 |
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380 void |
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381 tree_print_code::visit_identifier (tree_identifier& id) |
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382 { |
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383 indent (); |
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384 |
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385 print_parens (id, "("); |
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386 |
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387 std::string nm = id.name (); |
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388 os << (nm.empty () ? std::string ("(empty)") : nm); |
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389 |
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390 print_parens (id, ")"); |
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391 } |
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392 |
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393 void |
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394 tree_print_code::visit_if_clause (tree_if_clause& cmd) |
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395 { |
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396 tree_expression *expr = cmd.condition (); |
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397 |
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398 if (expr) |
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399 expr->accept (*this); |
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400 |
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401 newline (); |
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402 |
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403 tree_statement_list *list = cmd.commands (); |
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404 |
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405 if (list) |
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406 { |
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407 increment_indent_level (); |
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408 |
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409 list->accept (*this); |
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410 |
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411 decrement_indent_level (); |
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412 } |
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413 } |
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414 |
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415 void |
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416 tree_print_code::visit_if_command (tree_if_command& cmd) |
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417 { |
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418 print_comment_list (cmd.leading_comment ()); |
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419 |
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420 indent (); |
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421 |
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422 os << "if "; |
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423 |
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424 tree_if_command_list *list = cmd.cmd_list (); |
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425 |
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426 if (list) |
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427 list->accept (*this); |
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428 |
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429 print_indented_comment (cmd.trailing_comment ()); |
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430 |
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431 indent (); |
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432 |
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433 os << "endif"; |
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434 } |
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435 |
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436 void |
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437 tree_print_code::visit_if_command_list (tree_if_command_list& lst) |
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438 { |
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439 Pix p = lst.first (); |
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440 |
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441 bool first_elt = true; |
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442 |
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443 while (p) |
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444 { |
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445 tree_if_clause *elt = lst (p); |
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446 |
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447 if (elt) |
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448 { |
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449 if (! first_elt) |
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450 { |
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451 print_indented_comment (elt->leading_comment ()); |
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452 |
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453 indent (); |
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454 |
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455 if (elt->is_else_clause ()) |
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456 os << "else"; |
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457 else |
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458 os << "elseif "; |
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459 } |
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460 |
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461 elt->accept (*this); |
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462 } |
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463 |
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464 first_elt = false; |
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465 lst.next (p); |
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466 } |
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467 } |
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468 |
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469 void |
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470 tree_print_code::visit_index_expression (tree_index_expression& expr) |
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471 { |
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472 indent (); |
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473 |
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2961
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474 print_parens (expr, "("); |
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475 |
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3665
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476 bool expr_has_parens = false; |
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477 |
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3010
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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 { |
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482 e->accept (*this); |
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483 |
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484 expr_has_parens = e->is_postfix_indexed (); |
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485 } |
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486 |
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487 tree_argument_list *list = expr.arg_list (); |
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488 |
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489 if (list) |
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490 { |
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491 os << " ("; |
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492 list->accept (*this); |
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493 os << ")"; |
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494 } |
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3665
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495 else if (expr_has_parens) |
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496 os << " ()"; |
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497 |
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2961
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498 print_parens (expr, ")"); |
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499 } |
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500 |
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501 void |
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502 tree_print_code::visit_indirect_ref (tree_indirect_ref& expr) |
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503 { |
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504 indent (); |
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505 |
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2961
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506 print_parens (expr, "("); |
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507 |
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2969
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508 tree_expression *e = expr.expression (); |
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509 |
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2969
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510 if (e) |
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511 e->accept (*this); |
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512 |
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513 os << "." << expr.elt_name (); |
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514 |
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2961
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515 print_parens (expr, ")"); |
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516 } |
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517 |
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518 void |
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519 tree_print_code::visit_matrix (tree_matrix& lst) |
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520 { |
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521 indent (); |
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522 |
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2961
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523 print_parens (lst, "("); |
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2123
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524 |
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525 os << "["; |
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526 |
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527 Pix p = lst.first (); |
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528 |
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529 while (p) |
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530 { |
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2969
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531 tree_argument_list *elt = lst (p); |
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2123
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532 |
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533 lst.next (p); |
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534 |
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535 if (elt) |
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536 { |
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537 elt->accept (*this); |
|
|
538 |
|
|
539 if (p) |
|
|
540 os << "; "; |
|
|
541 } |
|
|
542 } |
|
|
543 |
|
|
544 os << "]"; |
|
|
545 |
|
2961
|
546 print_parens (lst, ")"); |
|
2123
|
547 } |
|
|
548 |
|
|
549 void |
|
3351
|
550 tree_print_code::visit_cell (tree_cell& lst) |
|
|
551 { |
|
|
552 indent (); |
|
|
553 |
|
|
554 print_parens (lst, "("); |
|
|
555 |
|
|
556 os << "{"; |
|
|
557 |
|
|
558 Pix p = lst.first (); |
|
|
559 |
|
|
560 while (p) |
|
|
561 { |
|
|
562 tree_argument_list *elt = lst (p); |
|
|
563 |
|
|
564 lst.next (p); |
|
|
565 |
|
|
566 if (elt) |
|
|
567 { |
|
|
568 elt->accept (*this); |
|
|
569 |
|
|
570 if (p) |
|
|
571 os << "; "; |
|
|
572 } |
|
|
573 } |
|
|
574 |
|
|
575 os << "}"; |
|
|
576 |
|
|
577 print_parens (lst, ")"); |
|
|
578 } |
|
|
579 |
|
|
580 void |
|
2969
|
581 tree_print_code::visit_multi_assignment (tree_multi_assignment& expr) |
|
2123
|
582 { |
|
|
583 indent (); |
|
|
584 |
|
2961
|
585 print_parens (expr, "("); |
|
2123
|
586 |
|
2969
|
587 tree_argument_list *lhs = expr.left_hand_side (); |
|
2123
|
588 |
|
|
589 if (lhs) |
|
|
590 { |
|
|
591 int len = lhs->length (); |
|
|
592 |
|
|
593 if (len > 1) |
|
|
594 os << "["; |
|
|
595 |
|
|
596 lhs->accept (*this); |
|
|
597 |
|
|
598 if (len > 1) |
|
|
599 os << "]"; |
|
|
600 } |
|
|
601 |
|
3208
|
602 os << " " << expr.oper () << " "; |
|
2123
|
603 |
|
2969
|
604 tree_expression *rhs = expr.right_hand_side (); |
|
2123
|
605 |
|
|
606 if (rhs) |
|
|
607 rhs->accept (*this); |
|
|
608 |
|
2961
|
609 print_parens (expr, ")"); |
|
2123
|
610 } |
|
|
611 |
|
|
612 void |
|
2620
|
613 tree_print_code::visit_no_op_command (tree_no_op_command& cmd) |
|
|
614 { |
|
|
615 indent (); |
|
|
616 |
|
|
617 os << cmd.original_command (); |
|
|
618 } |
|
|
619 |
|
|
620 void |
|
2372
|
621 tree_print_code::visit_constant (tree_constant& val) |
|
2123
|
622 { |
|
|
623 indent (); |
|
|
624 |
|
2961
|
625 print_parens (val, "("); |
|
2123
|
626 |
|
2942
|
627 val.print_raw (os, true, print_original_text); |
|
2123
|
628 |
|
2961
|
629 print_parens (val, ")"); |
|
2123
|
630 } |
|
|
631 |
|
|
632 void |
|
|
633 tree_print_code::visit_parameter_list (tree_parameter_list& lst) |
|
|
634 { |
|
|
635 Pix p = lst.first (); |
|
|
636 |
|
|
637 while (p) |
|
|
638 { |
|
|
639 tree_identifier *elt = lst (p); |
|
|
640 |
|
|
641 lst.next (p); |
|
|
642 |
|
|
643 if (elt) |
|
|
644 { |
|
|
645 elt->accept (*this); |
|
|
646 |
|
|
647 if (p) |
|
|
648 os << ", "; |
|
|
649 } |
|
|
650 } |
|
|
651 } |
|
|
652 |
|
|
653 void |
|
|
654 tree_print_code::visit_plot_command (tree_plot_command& cmd) |
|
|
655 { |
|
|
656 indent (); |
|
|
657 |
|
|
658 int ndim = cmd.num_dimensions (); |
|
|
659 |
|
|
660 switch (ndim) |
|
|
661 { |
|
|
662 case 1: |
|
|
663 os << "replot"; |
|
|
664 break; |
|
|
665 |
|
|
666 case 2: |
|
|
667 os << "gplot"; |
|
|
668 break; |
|
|
669 |
|
|
670 case 3: |
|
|
671 os << "gsplot"; |
|
|
672 break; |
|
|
673 |
|
|
674 default: |
|
|
675 os << "<unkown plot command>"; |
|
|
676 break; |
|
|
677 } |
|
|
678 |
|
|
679 plot_limits *range = cmd.limits (); |
|
|
680 |
|
|
681 if (range) |
|
|
682 range->accept (*this); |
|
|
683 |
|
|
684 subplot_list *plot_list = cmd.subplots (); |
|
|
685 |
|
|
686 if (plot_list) |
|
|
687 plot_list->accept (*this); |
|
|
688 } |
|
|
689 |
|
|
690 void |
|
|
691 tree_print_code::visit_plot_limits (plot_limits& cmd) |
|
|
692 { |
|
|
693 plot_range *x_range = cmd.x_limits (); |
|
|
694 |
|
|
695 if (x_range) |
|
|
696 x_range->accept (*this); |
|
|
697 |
|
|
698 plot_range *y_range = cmd.y_limits (); |
|
|
699 |
|
|
700 if (y_range) |
|
|
701 y_range->accept (*this); |
|
|
702 |
|
|
703 plot_range *z_range = cmd.z_limits (); |
|
|
704 |
|
|
705 if (z_range) |
|
|
706 z_range->accept (*this); |
|
|
707 } |
|
|
708 |
|
|
709 void |
|
|
710 tree_print_code::visit_plot_range (plot_range& cmd) |
|
|
711 { |
|
|
712 os << " ["; |
|
|
713 |
|
|
714 tree_expression *lower = cmd.lower_bound (); |
|
|
715 |
|
|
716 if (lower) |
|
|
717 lower->accept (*this); |
|
|
718 |
|
|
719 os << ":"; |
|
|
720 |
|
|
721 tree_expression *upper = cmd.upper_bound (); |
|
|
722 |
|
|
723 if (upper) |
|
|
724 upper->accept (*this); |
|
|
725 |
|
|
726 os << "]"; |
|
|
727 } |
|
|
728 |
|
|
729 void |
|
|
730 tree_print_code::visit_postfix_expression (tree_postfix_expression& expr) |
|
|
731 { |
|
|
732 indent (); |
|
|
733 |
|
2961
|
734 print_parens (expr, "("); |
|
2123
|
735 |
|
2960
|
736 tree_expression *e = expr.operand (); |
|
2123
|
737 |
|
2960
|
738 if (e) |
|
|
739 e->accept (*this); |
|
2123
|
740 |
|
|
741 os << expr.oper (); |
|
|
742 |
|
2961
|
743 print_parens (expr, ")"); |
|
2123
|
744 } |
|
|
745 |
|
|
746 void |
|
|
747 tree_print_code::visit_prefix_expression (tree_prefix_expression& expr) |
|
|
748 { |
|
|
749 indent (); |
|
|
750 |
|
2961
|
751 print_parens (expr, "("); |
|
2123
|
752 |
|
|
753 os << expr.oper (); |
|
|
754 |
|
2960
|
755 tree_expression *e = expr.operand (); |
|
2123
|
756 |
|
2960
|
757 if (e) |
|
|
758 e->accept (*this); |
|
2123
|
759 |
|
2961
|
760 print_parens (expr, ")"); |
|
2123
|
761 } |
|
|
762 |
|
|
763 void |
|
|
764 tree_print_code::visit_return_command (tree_return_command&) |
|
|
765 { |
|
|
766 indent (); |
|
|
767 |
|
|
768 os << "return"; |
|
|
769 } |
|
|
770 |
|
|
771 void |
|
|
772 tree_print_code::visit_return_list (tree_return_list& lst) |
|
|
773 { |
|
|
774 Pix p = lst.first (); |
|
|
775 |
|
|
776 while (p) |
|
|
777 { |
|
|
778 tree_index_expression *elt = lst (p); |
|
|
779 |
|
|
780 lst.next (p); |
|
|
781 |
|
|
782 if (elt) |
|
|
783 { |
|
|
784 elt->accept (*this); |
|
|
785 |
|
|
786 if (p) |
|
|
787 os << ", "; |
|
|
788 } |
|
|
789 } |
|
|
790 } |
|
|
791 |
|
|
792 void |
|
2969
|
793 tree_print_code::visit_simple_assignment (tree_simple_assignment& expr) |
|
2123
|
794 { |
|
|
795 indent (); |
|
|
796 |
|
2961
|
797 print_parens (expr, "("); |
|
2123
|
798 |
|
2969
|
799 tree_expression *lhs = expr.left_hand_side (); |
|
2123
|
800 |
|
2969
|
801 if (lhs) |
|
|
802 lhs->accept (*this); |
|
2123
|
803 |
|
2969
|
804 os << " " << expr.oper () << " "; |
|
2123
|
805 |
|
|
806 tree_expression *rhs = expr.right_hand_side (); |
|
|
807 |
|
|
808 if (rhs) |
|
|
809 rhs->accept (*this); |
|
|
810 |
|
2961
|
811 print_parens (expr, ")"); |
|
2123
|
812 } |
|
|
813 |
|
|
814 void |
|
|
815 tree_print_code::visit_statement (tree_statement& stmt) |
|
|
816 { |
|
3665
|
817 print_comment_list (stmt.comment_text ()); |
|
|
818 |
|
2123
|
819 tree_command *cmd = stmt.command (); |
|
|
820 |
|
|
821 if (cmd) |
|
|
822 { |
|
|
823 cmd->accept (*this); |
|
|
824 |
|
|
825 if (! stmt.print_result ()) |
|
|
826 os << ";"; |
|
|
827 |
|
|
828 newline (); |
|
|
829 } |
|
|
830 else |
|
|
831 { |
|
|
832 tree_expression *expr = stmt.expression (); |
|
|
833 |
|
|
834 if (expr) |
|
|
835 { |
|
|
836 expr->accept (*this); |
|
|
837 |
|
|
838 if (! stmt.print_result ()) |
|
|
839 os << ";"; |
|
|
840 |
|
|
841 newline (); |
|
|
842 } |
|
|
843 } |
|
|
844 } |
|
|
845 |
|
|
846 void |
|
|
847 tree_print_code::visit_statement_list (tree_statement_list& lst) |
|
|
848 { |
|
|
849 for (Pix p = lst.first (); p != 0; lst.next (p)) |
|
|
850 { |
|
|
851 tree_statement *elt = lst (p); |
|
|
852 |
|
|
853 if (elt) |
|
|
854 elt->accept (*this); |
|
|
855 } |
|
|
856 } |
|
|
857 |
|
|
858 void |
|
|
859 tree_print_code::visit_subplot (subplot& cmd) |
|
|
860 { |
|
|
861 tree_expression *sp_plot_data = cmd.plot_data (); |
|
|
862 |
|
|
863 if (sp_plot_data) |
|
|
864 { |
|
|
865 os << " "; |
|
|
866 |
|
|
867 sp_plot_data->accept (*this); |
|
|
868 } |
|
|
869 |
|
3165
|
870 subplot_axes *sp_axes_clause = cmd.axes_clause (); |
|
|
871 |
|
|
872 if (sp_axes_clause) |
|
|
873 sp_axes_clause->accept (*this); |
|
|
874 |
|
2123
|
875 subplot_using *sp_using_clause = cmd.using_clause (); |
|
|
876 |
|
|
877 if (sp_using_clause) |
|
|
878 sp_using_clause->accept (*this); |
|
|
879 |
|
|
880 tree_expression *sp_title_clause = cmd.title_clause (); |
|
|
881 |
|
|
882 if (sp_title_clause) |
|
|
883 sp_title_clause->accept (*this); |
|
|
884 |
|
|
885 subplot_style *sp_style_clause = cmd.style_clause (); |
|
|
886 |
|
|
887 if (sp_style_clause) |
|
|
888 sp_style_clause->accept (*this); |
|
|
889 } |
|
|
890 |
|
|
891 void |
|
3165
|
892 tree_print_code::visit_subplot_axes (subplot_axes& cmd) |
|
|
893 { |
|
|
894 os << " axes " << cmd.axes (); |
|
|
895 } |
|
|
896 |
|
|
897 void |
|
2123
|
898 tree_print_code::visit_subplot_list (subplot_list& lst) |
|
|
899 { |
|
|
900 Pix p = lst.first (); |
|
|
901 |
|
|
902 while (p) |
|
|
903 { |
|
|
904 subplot *elt = lst (p); |
|
|
905 |
|
|
906 lst.next (p); |
|
|
907 |
|
|
908 if (elt) |
|
|
909 { |
|
|
910 elt->accept (*this); |
|
|
911 |
|
|
912 if (p) |
|
|
913 os << ","; |
|
|
914 } |
|
|
915 } |
|
|
916 } |
|
|
917 |
|
|
918 void |
|
|
919 tree_print_code::visit_subplot_style (subplot_style& cmd) |
|
|
920 { |
|
|
921 os << " with " << cmd.style (); |
|
|
922 |
|
|
923 tree_expression *sp_linetype = cmd.linetype (); |
|
|
924 |
|
|
925 if (sp_linetype) |
|
|
926 { |
|
|
927 os << " "; |
|
|
928 |
|
|
929 sp_linetype->accept (*this); |
|
|
930 } |
|
|
931 |
|
|
932 tree_expression *sp_pointtype = cmd.pointtype (); |
|
|
933 |
|
|
934 if (sp_pointtype) |
|
|
935 { |
|
|
936 os << " "; |
|
|
937 |
|
|
938 sp_pointtype->accept (*this); |
|
|
939 } |
|
|
940 } |
|
|
941 |
|
|
942 void |
|
|
943 tree_print_code::visit_subplot_using (subplot_using& cmd) |
|
|
944 { |
|
|
945 os << " using "; |
|
|
946 |
|
|
947 int qual_count = cmd.qualifier_count (); |
|
|
948 |
|
|
949 if (qual_count > 0) |
|
|
950 { |
|
|
951 tree_expression **x = cmd.qualifiers (); |
|
|
952 |
|
|
953 for (int i = 0; i < qual_count; i++) |
|
|
954 { |
|
|
955 if (i > 0) |
|
|
956 os << ":"; |
|
|
957 |
|
|
958 if (x[i]) |
|
|
959 x[i]->accept (*this); |
|
|
960 } |
|
|
961 } |
|
|
962 else |
|
|
963 { |
|
|
964 tree_expression *scanf_fmt = cmd.scanf_format (); |
|
|
965 |
|
|
966 if (scanf_fmt) |
|
|
967 scanf_fmt->accept (*this); |
|
|
968 } |
|
|
969 } |
|
|
970 |
|
|
971 void |
|
2846
|
972 tree_print_code::visit_switch_case (tree_switch_case& cs) |
|
|
973 { |
|
3665
|
974 print_comment_list (cs.leading_comment ()); |
|
|
975 |
|
2846
|
976 indent (); |
|
|
977 |
|
|
978 if (cs.is_default_case ()) |
|
|
979 os << "otherwise"; |
|
|
980 else |
|
|
981 os << "case "; |
|
|
982 |
|
|
983 tree_expression *label = cs.case_label (); |
|
|
984 |
|
|
985 if (label) |
|
|
986 label->accept (*this); |
|
|
987 |
|
|
988 newline (); |
|
|
989 |
|
|
990 tree_statement_list *list = cs.commands (); |
|
|
991 |
|
|
992 if (list) |
|
|
993 { |
|
3665
|
994 increment_indent_level (); |
|
|
995 |
|
2846
|
996 list->accept (*this); |
|
|
997 |
|
3665
|
998 newline (); |
|
|
999 |
|
2846
|
1000 decrement_indent_level (); |
|
|
1001 } |
|
|
1002 } |
|
|
1003 |
|
|
1004 void |
|
|
1005 tree_print_code::visit_switch_case_list (tree_switch_case_list& lst) |
|
|
1006 { |
|
|
1007 Pix p = lst.first (); |
|
|
1008 |
|
|
1009 while (p) |
|
|
1010 { |
|
|
1011 tree_switch_case *elt = lst (p); |
|
|
1012 |
|
|
1013 if (elt) |
|
|
1014 elt->accept (*this); |
|
|
1015 |
|
|
1016 lst.next (p); |
|
|
1017 } |
|
|
1018 } |
|
|
1019 |
|
|
1020 void |
|
|
1021 tree_print_code::visit_switch_command (tree_switch_command& cmd) |
|
|
1022 { |
|
3665
|
1023 print_comment_list (cmd.leading_comment ()); |
|
|
1024 |
|
2846
|
1025 indent (); |
|
|
1026 |
|
|
1027 os << "switch "; |
|
|
1028 |
|
|
1029 tree_expression *expr = cmd.switch_value (); |
|
|
1030 |
|
|
1031 if (expr) |
|
|
1032 expr->accept (*this); |
|
|
1033 |
|
|
1034 newline (); |
|
|
1035 |
|
|
1036 tree_switch_case_list *list = cmd.case_list (); |
|
|
1037 |
|
|
1038 if (list) |
|
3665
|
1039 { |
|
|
1040 increment_indent_level (); |
|
|
1041 |
|
|
1042 list->accept (*this); |
|
|
1043 |
|
|
1044 decrement_indent_level (); |
|
|
1045 } |
|
|
1046 |
|
|
1047 print_indented_comment (cmd.leading_comment ()); |
|
2846
|
1048 |
|
|
1049 indent (); |
|
|
1050 |
|
|
1051 os << "endswitch"; |
|
|
1052 } |
|
|
1053 |
|
|
1054 void |
|
2123
|
1055 tree_print_code::visit_try_catch_command (tree_try_catch_command& cmd) |
|
|
1056 { |
|
3665
|
1057 print_comment_list (cmd.leading_comment ()); |
|
|
1058 |
|
2123
|
1059 indent (); |
|
|
1060 |
|
3665
|
1061 os << "try"; |
|
2123
|
1062 |
|
|
1063 newline (); |
|
|
1064 |
|
|
1065 tree_statement_list *try_code = cmd.body (); |
|
|
1066 |
|
|
1067 if (try_code) |
|
|
1068 { |
|
|
1069 increment_indent_level (); |
|
3665
|
1070 |
|
2123
|
1071 try_code->accept (*this); |
|
3665
|
1072 |
|
2123
|
1073 decrement_indent_level (); |
|
|
1074 } |
|
|
1075 |
|
3665
|
1076 print_indented_comment (cmd.middle_comment ()); |
|
|
1077 |
|
2123
|
1078 indent (); |
|
|
1079 |
|
|
1080 os << "catch"; |
|
|
1081 |
|
|
1082 newline (); |
|
|
1083 |
|
|
1084 tree_statement_list *catch_code = cmd.cleanup (); |
|
|
1085 |
|
|
1086 if (catch_code) |
|
|
1087 { |
|
|
1088 increment_indent_level (); |
|
3665
|
1089 |
|
2123
|
1090 catch_code->accept (*this); |
|
3665
|
1091 |
|
2123
|
1092 decrement_indent_level (); |
|
|
1093 } |
|
|
1094 |
|
3665
|
1095 print_indented_comment (cmd.trailing_comment ()); |
|
|
1096 |
|
2123
|
1097 indent (); |
|
|
1098 |
|
|
1099 os << "end_try_catch"; |
|
|
1100 } |
|
|
1101 |
|
|
1102 void |
|
|
1103 tree_print_code::visit_unwind_protect_command |
|
|
1104 (tree_unwind_protect_command& cmd) |
|
|
1105 { |
|
3665
|
1106 print_comment_list (cmd.leading_comment ()); |
|
|
1107 |
|
2123
|
1108 indent (); |
|
|
1109 |
|
|
1110 os << "unwind_protect"; |
|
|
1111 |
|
|
1112 newline (); |
|
|
1113 |
|
|
1114 tree_statement_list *unwind_protect_code = cmd.body (); |
|
|
1115 |
|
|
1116 if (unwind_protect_code) |
|
|
1117 { |
|
|
1118 increment_indent_level (); |
|
3665
|
1119 |
|
2123
|
1120 unwind_protect_code->accept (*this); |
|
3665
|
1121 |
|
2123
|
1122 decrement_indent_level (); |
|
|
1123 } |
|
|
1124 |
|
3665
|
1125 print_indented_comment (cmd.middle_comment ()); |
|
|
1126 |
|
2123
|
1127 indent (); |
|
|
1128 |
|
3478
|
1129 os << "unwind_protect_cleanup"; |
|
2123
|
1130 |
|
|
1131 newline (); |
|
|
1132 |
|
|
1133 tree_statement_list *cleanup_code = cmd.cleanup (); |
|
|
1134 |
|
|
1135 if (cleanup_code) |
|
|
1136 { |
|
|
1137 increment_indent_level (); |
|
3665
|
1138 |
|
2123
|
1139 cleanup_code->accept (*this); |
|
3665
|
1140 |
|
2123
|
1141 decrement_indent_level (); |
|
|
1142 } |
|
|
1143 |
|
3665
|
1144 print_indented_comment (cmd.trailing_comment ()); |
|
|
1145 |
|
2123
|
1146 indent (); |
|
|
1147 |
|
|
1148 os << "end_unwind_protect"; |
|
|
1149 } |
|
|
1150 |
|
|
1151 void |
|
|
1152 tree_print_code::visit_while_command (tree_while_command& cmd) |
|
|
1153 { |
|
3665
|
1154 print_comment_list (cmd.leading_comment ()); |
|
|
1155 |
|
2123
|
1156 indent (); |
|
|
1157 |
|
|
1158 os << "while "; |
|
|
1159 |
|
|
1160 tree_expression *expr = cmd.condition (); |
|
|
1161 |
|
|
1162 if (expr) |
|
|
1163 expr->accept (*this); |
|
|
1164 |
|
|
1165 newline (); |
|
|
1166 |
|
|
1167 tree_statement_list *list = cmd.body (); |
|
|
1168 |
|
|
1169 if (list) |
|
|
1170 { |
|
|
1171 increment_indent_level (); |
|
3665
|
1172 |
|
2123
|
1173 list->accept (*this); |
|
3665
|
1174 |
|
2123
|
1175 decrement_indent_level (); |
|
|
1176 } |
|
|
1177 |
|
3665
|
1178 print_indented_comment (cmd.trailing_comment ()); |
|
|
1179 |
|
2123
|
1180 indent (); |
|
|
1181 |
|
|
1182 os << "endwhile"; |
|
|
1183 } |
|
|
1184 |
|
3484
|
1185 void |
|
|
1186 tree_print_code::visit_do_until_command (tree_do_until_command& cmd) |
|
|
1187 { |
|
3665
|
1188 print_comment_list (cmd.leading_comment ()); |
|
|
1189 |
|
3484
|
1190 indent (); |
|
|
1191 |
|
|
1192 os << "do"; |
|
|
1193 |
|
|
1194 newline (); |
|
|
1195 |
|
|
1196 tree_statement_list *list = cmd.body (); |
|
|
1197 |
|
|
1198 if (list) |
|
|
1199 { |
|
|
1200 increment_indent_level (); |
|
3665
|
1201 |
|
3484
|
1202 list->accept (*this); |
|
3665
|
1203 |
|
3484
|
1204 decrement_indent_level (); |
|
|
1205 } |
|
|
1206 |
|
3665
|
1207 print_indented_comment (cmd.trailing_comment ()); |
|
|
1208 |
|
3484
|
1209 indent (); |
|
|
1210 |
|
|
1211 os << "until"; |
|
|
1212 |
|
|
1213 tree_expression *expr = cmd.condition (); |
|
|
1214 |
|
|
1215 if (expr) |
|
|
1216 expr->accept (*this); |
|
|
1217 |
|
|
1218 newline (); |
|
|
1219 } |
|
|
1220 |
|
2123
|
1221 // Each print_code() function should call this before printing |
|
|
1222 // anything. |
|
|
1223 // |
|
|
1224 // This doesn't need to be fast, but isn't there a better way? |
|
|
1225 |
|
|
1226 void |
|
|
1227 tree_print_code::indent (void) |
|
|
1228 { |
|
|
1229 assert (curr_print_indent_level >= 0); |
|
|
1230 |
|
|
1231 if (beginning_of_line) |
|
|
1232 { |
|
2900
|
1233 os << prefix; |
|
|
1234 |
|
|
1235 for (int i = 0; i < curr_print_indent_level; i++) |
|
|
1236 os << " "; |
|
|
1237 |
|
2123
|
1238 beginning_of_line = false; |
|
|
1239 } |
|
|
1240 } |
|
|
1241 |
|
|
1242 // All print_code() functions should use this to print new lines. |
|
|
1243 |
|
|
1244 void |
|
|
1245 tree_print_code::newline (void) |
|
|
1246 { |
|
|
1247 os << "\n"; |
|
|
1248 |
|
|
1249 beginning_of_line = true; |
|
|
1250 } |
|
|
1251 |
|
|
1252 // For ressetting print_code state. |
|
|
1253 |
|
|
1254 void |
|
|
1255 tree_print_code::reset (void) |
|
|
1256 { |
|
|
1257 beginning_of_line = true; |
|
|
1258 curr_print_indent_level = 0; |
|
|
1259 } |
|
|
1260 |
|
2961
|
1261 void |
|
|
1262 tree_print_code::print_parens (const tree_expression& expr, const char *txt) |
|
|
1263 { |
|
|
1264 int n = expr.paren_count (); |
|
|
1265 |
|
|
1266 for (int i = 0; i < n; i++) |
|
|
1267 os << txt; |
|
|
1268 } |
|
|
1269 |
|
3665
|
1270 void |
|
|
1271 tree_print_code::print_comment_elt (const octave_comment_elt& elt) |
|
|
1272 { |
|
|
1273 bool printed_something = false; |
|
|
1274 |
|
|
1275 bool prev_char_was_newline = false; |
|
|
1276 |
|
|
1277 string comment = elt.text (); |
|
|
1278 |
|
|
1279 size_t len = comment.length (); |
|
|
1280 |
|
|
1281 size_t i = 0; |
|
|
1282 |
|
|
1283 while (i < len && comment[i++] == '\n') |
|
|
1284 ; /* Skip leading new lines. */ |
|
|
1285 i--; |
|
|
1286 |
|
|
1287 while (i < len) |
|
|
1288 { |
|
|
1289 char c = comment[i++]; |
|
|
1290 |
|
|
1291 if (c == '\n') |
|
|
1292 { |
|
|
1293 if (prev_char_was_newline) |
|
|
1294 os << "##"; |
|
|
1295 |
|
|
1296 newline (); |
|
|
1297 |
|
|
1298 prev_char_was_newline = true; |
|
|
1299 } |
|
|
1300 else |
|
|
1301 { |
|
|
1302 if (beginning_of_line) |
|
|
1303 { |
|
|
1304 printed_something = true; |
|
|
1305 |
|
|
1306 indent (); |
|
|
1307 |
|
|
1308 os << "##"; |
|
|
1309 |
|
|
1310 if (! (isspace (c) || c == '!')) |
|
|
1311 os << " "; |
|
|
1312 } |
|
|
1313 |
|
|
1314 os << (char) c; |
|
|
1315 |
|
|
1316 prev_char_was_newline = false; |
|
|
1317 } |
|
|
1318 } |
|
|
1319 |
|
|
1320 if (printed_something && ! beginning_of_line) |
|
|
1321 newline (); |
|
|
1322 } |
|
|
1323 |
|
|
1324 void |
|
|
1325 tree_print_code::print_comment_list (octave_comment_list *comment_list) |
|
|
1326 { |
|
|
1327 if (comment_list) |
|
|
1328 { |
|
|
1329 Pix p = comment_list->first (); |
|
|
1330 |
|
|
1331 while (p) |
|
|
1332 { |
|
|
1333 octave_comment_elt elt = comment_list->operator () (p); |
|
|
1334 |
|
|
1335 print_comment_elt (elt); |
|
|
1336 |
|
|
1337 comment_list->next (p); |
|
|
1338 |
|
|
1339 if (p) |
|
|
1340 newline (); |
|
|
1341 } |
|
|
1342 } |
|
|
1343 } |
|
|
1344 |
|
|
1345 void |
|
|
1346 tree_print_code::print_indented_comment (octave_comment_list *comment_list) |
|
|
1347 { |
|
|
1348 increment_indent_level (); |
|
|
1349 |
|
|
1350 print_comment_list (comment_list); |
|
|
1351 |
|
|
1352 decrement_indent_level (); |
|
|
1353 } |
|
|
1354 |
|
2123
|
1355 /* |
|
|
1356 ;;; Local Variables: *** |
|
|
1357 ;;; mode: C++ *** |
|
|
1358 ;;; End: *** |
|
|
1359 */ |
