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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 <iostream.h> |
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32 |
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33 #include "error.h" |
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2891
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34 #include "oct-usr-fcn.h" |
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35 #include "pr-output.h" |
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2878
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36 #include "pt-cmd.h" |
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37 #include "pt-const.h" |
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38 #include "pt-exp.h" |
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39 #include "pt-id.h" |
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40 #include "pt-indir.h" |
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41 #include "pt-mat.h" |
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42 #include "pt-misc.h" |
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43 #include "pt-mvr.h" |
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44 #include "pt-plot.h" |
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45 #include "pt-pr-code.h" |
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46 |
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47 void |
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48 tree_print_code::visit_argument_list (tree_argument_list& lst) |
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49 { |
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50 Pix p = lst.first (); |
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51 |
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52 while (p) |
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53 { |
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54 tree_expression *elt = lst (p); |
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55 |
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56 lst.next (p); |
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57 |
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58 if (elt) |
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59 { |
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60 elt->accept (*this); |
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61 |
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62 if (p) |
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63 os << ", "; |
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64 } |
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65 } |
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66 } |
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67 |
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68 void |
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69 tree_print_code::visit_binary_expression (tree_binary_expression& expr) |
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70 { |
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71 indent (); |
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72 |
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73 bool in_parens = expr.is_in_parens (); |
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74 |
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75 if (in_parens) |
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76 os << "("; |
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77 |
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78 tree_expression *op1 = expr.lhs (); |
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79 |
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80 if (op1) |
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81 op1->accept (*this); |
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82 |
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83 os << " " << expr.oper () << " "; |
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84 |
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85 tree_expression *op2 = expr.rhs (); |
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86 |
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87 if (op2) |
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88 op2->accept (*this); |
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89 |
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90 if (in_parens) |
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91 os << ")"; |
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92 } |
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93 |
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94 void |
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95 tree_print_code::visit_break_command (tree_break_command&) |
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96 { |
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97 indent (); |
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98 |
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99 os << "break"; |
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100 } |
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101 |
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102 void |
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103 tree_print_code::visit_colon_expression (tree_colon_expression& expr) |
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104 { |
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105 indent (); |
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106 |
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107 bool in_parens = expr.is_in_parens (); |
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108 |
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109 if (in_parens) |
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110 os << "("; |
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111 |
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112 tree_expression *op1 = expr.base (); |
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113 |
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114 if (op1) |
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115 op1->accept (*this); |
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116 |
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117 // Stupid syntax. |
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118 |
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119 tree_expression *op3 = expr.increment (); |
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120 |
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121 if (op3) |
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122 { |
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123 os << ":"; |
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124 op3->accept (*this); |
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125 } |
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126 |
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127 tree_expression *op2 = expr.limit (); |
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128 |
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129 if (op2) |
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130 { |
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131 os << ":"; |
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132 op2->accept (*this); |
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133 } |
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134 |
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135 if (in_parens) |
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136 os << ")"; |
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137 } |
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138 |
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139 void |
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140 tree_print_code::visit_continue_command (tree_continue_command&) |
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141 { |
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142 indent (); |
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143 |
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144 os << "continue"; |
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145 } |
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146 |
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147 void |
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148 tree_print_code::visit_decl_command (tree_decl_command& cmd) |
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149 { |
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150 indent (); |
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151 |
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152 os << cmd.name () << " "; |
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153 |
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154 tree_decl_init_list *init_list = cmd.initializer_list (); |
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155 |
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156 if (init_list) |
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157 init_list->accept (*this); |
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158 } |
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159 |
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160 void |
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161 tree_print_code::visit_decl_elt (tree_decl_elt& cmd) |
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162 { |
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163 tree_identifier *id = cmd.ident (); |
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164 |
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165 if (id) |
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166 id->accept (*this); |
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167 |
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168 tree_simple_assignment_expression *ass_expr = cmd.assign_expr (); |
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169 |
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170 if (ass_expr) |
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171 ass_expr->accept (*this); |
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172 } |
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173 |
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174 void |
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175 tree_print_code::visit_decl_init_list (tree_decl_init_list& lst) |
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176 { |
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177 Pix p = lst.first (); |
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178 |
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179 while (p) |
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180 { |
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181 tree_decl_elt *elt = lst (p); |
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182 |
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183 lst.next (p); |
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184 |
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185 if (elt) |
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186 { |
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187 elt->accept (*this); |
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188 |
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189 if (p) |
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190 os << ", "; |
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191 } |
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192 } |
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193 } |
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194 |
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195 void |
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196 tree_print_code::visit_for_command (tree_for_command& cmd) |
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197 { |
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198 indent (); |
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199 |
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200 os << "for "; |
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201 |
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202 tree_index_expression *id = cmd.ident (); |
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203 |
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204 if (id) |
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205 id->accept (*this); |
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206 |
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207 os << " = "; |
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208 |
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209 tree_expression *expr = cmd.control_expr (); |
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210 |
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211 if (expr) |
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212 expr->accept (*this); |
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213 |
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214 newline (); |
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215 |
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216 tree_statement_list *list = cmd.body (); |
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217 |
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218 if (list) |
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219 { |
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220 increment_indent_level (); |
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221 list->accept (*this); |
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222 decrement_indent_level (); |
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223 } |
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224 |
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225 indent (); |
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226 |
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227 os << "endfor"; |
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228 } |
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229 |
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230 void |
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231 tree_print_code::visit_octave_user_function (octave_user_function& fcn) |
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232 { |
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233 reset (); |
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234 |
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235 visit_octave_user_function_header (fcn); |
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236 |
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237 tree_statement_list *cmd_list = fcn.body (); |
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238 |
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239 if (cmd_list) |
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240 { |
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241 increment_indent_level (); |
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242 cmd_list->accept (*this); |
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243 decrement_indent_level (); |
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244 } |
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245 |
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246 visit_octave_user_function_trailer (fcn); |
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247 } |
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248 |
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249 void |
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250 tree_print_code::visit_octave_user_function_header (octave_user_function& fcn) |
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251 { |
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252 indent (); |
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253 |
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254 os << "function "; |
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255 |
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256 tree_parameter_list *ret_list = fcn.return_list (); |
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257 |
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258 if (ret_list) |
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259 { |
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260 bool takes_var_return = fcn.takes_var_return (); |
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261 |
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262 int len = ret_list->length (); |
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263 |
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264 if (len > 1 || takes_var_return) |
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265 os << "["; |
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266 |
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267 ret_list->accept (*this); |
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268 |
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269 if (takes_var_return) |
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270 { |
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271 if (len > 0) |
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272 os << ", "; |
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273 |
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274 os << "..."; |
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275 } |
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276 |
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277 if (len > 1 || takes_var_return) |
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278 os << "]"; |
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279 |
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280 os << " = "; |
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281 } |
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282 |
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283 string fcn_name = fcn.function_name (); |
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284 |
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285 os << (fcn_name.empty () ? string ("(empty)") : fcn_name) << " "; |
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286 |
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287 tree_parameter_list *param_list = fcn.parameter_list (); |
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288 |
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289 if (param_list) |
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290 { |
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291 bool takes_varargs = fcn.takes_varargs (); |
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292 |
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293 int len = param_list->length (); |
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294 |
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295 if (len > 0 || takes_varargs) |
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296 os << "("; |
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297 |
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298 param_list->accept (*this); |
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299 |
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300 if (takes_varargs) |
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301 { |
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302 if (len > 0) |
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303 os << ", "; |
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304 |
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305 os << "..."; |
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306 } |
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307 |
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308 if (len > 0 || takes_varargs) |
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309 { |
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310 os << ")"; |
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311 newline (); |
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312 } |
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313 } |
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314 else |
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315 { |
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316 os << "()"; |
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317 newline (); |
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318 } |
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319 } |
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320 |
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321 void |
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322 tree_print_code::visit_octave_user_function_trailer (octave_user_function&) |
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323 { |
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324 indent (); |
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325 |
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326 os << "endfunction"; |
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327 |
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328 newline (); |
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329 } |
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330 |
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331 void |
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332 tree_print_code::visit_identifier (tree_identifier& id) |
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333 { |
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334 indent (); |
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335 |
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336 bool in_parens = id.is_in_parens (); |
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337 |
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338 if (in_parens) |
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339 os << "("; |
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340 |
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341 string nm = id.name (); |
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342 os << (nm.empty () ? string ("(empty)") : nm); |
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343 |
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344 if (in_parens) |
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345 os << ")"; |
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346 } |
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347 |
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348 void |
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349 tree_print_code::visit_if_clause (tree_if_clause& cmd) |
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350 { |
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351 tree_expression *expr = cmd.condition (); |
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352 |
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353 if (expr) |
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354 expr->accept (*this); |
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355 |
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356 newline (); |
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357 |
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358 increment_indent_level (); |
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359 |
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360 tree_statement_list *list = cmd.commands (); |
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361 |
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362 if (list) |
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363 { |
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364 list->accept (*this); |
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365 |
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366 decrement_indent_level (); |
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367 } |
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368 } |
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369 |
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370 void |
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371 tree_print_code::visit_if_command (tree_if_command& cmd) |
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372 { |
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373 indent (); |
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374 |
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375 os << "if "; |
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376 |
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377 tree_if_command_list *list = cmd.cmd_list (); |
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378 |
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379 if (list) |
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380 list->accept (*this); |
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381 |
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382 indent (); |
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383 |
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384 os << "endif"; |
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385 } |
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386 |
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387 void |
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388 tree_print_code::visit_if_command_list (tree_if_command_list& lst) |
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389 { |
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390 Pix p = lst.first (); |
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391 |
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392 bool first_elt = true; |
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393 |
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394 while (p) |
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395 { |
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396 tree_if_clause *elt = lst (p); |
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397 |
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398 if (elt) |
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399 { |
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400 if (! first_elt) |
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401 { |
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402 indent (); |
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403 |
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404 if (elt->is_else_clause ()) |
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405 os << "else"; |
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406 else |
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407 os << "elseif "; |
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408 } |
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409 |
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410 elt->accept (*this); |
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411 } |
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412 |
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413 first_elt = false; |
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414 lst.next (p); |
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415 } |
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416 } |
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417 |
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418 void |
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419 tree_print_code::visit_index_expression (tree_index_expression& expr) |
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420 { |
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421 indent (); |
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422 |
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423 bool in_parens = expr.is_in_parens (); |
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424 |
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425 if (in_parens) |
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426 os << "("; |
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427 |
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428 tree_indirect_ref *id = expr.ident (); |
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429 |
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430 if (id) |
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431 id->accept (*this); |
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432 |
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433 tree_argument_list *list = expr.arg_list (); |
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434 |
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435 if (list) |
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436 { |
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437 os << " ("; |
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438 list->accept (*this); |
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439 os << ")"; |
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440 } |
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441 |
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442 if (in_parens) |
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443 os << ")"; |
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444 } |
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445 |
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446 void |
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447 tree_print_code::visit_indirect_ref (tree_indirect_ref& expr) |
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448 { |
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449 indent (); |
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450 |
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451 bool in_parens = expr.is_in_parens (); |
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452 |
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453 if (in_parens) |
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454 os << "("; |
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455 |
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456 // The name of the indirect ref includes the sub-elements. |
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457 |
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458 string nm = expr.name (); |
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459 os << (nm.empty () ? string ("(empty)") : nm); |
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460 |
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461 if (in_parens) |
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462 os << ")"; |
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463 } |
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464 |
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465 void |
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466 tree_print_code::visit_matrix (tree_matrix& lst) |
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467 { |
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468 indent (); |
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469 |
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470 bool in_parens = lst.is_in_parens (); |
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471 |
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472 if (in_parens) |
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473 os << "("; |
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474 |
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475 os << "["; |
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476 |
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477 Pix p = lst.first (); |
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478 |
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479 while (p) |
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480 { |
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481 tree_matrix_row *elt = lst (p); |
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482 |
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483 lst.next (p); |
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484 |
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485 if (elt) |
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486 { |
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487 elt->accept (*this); |
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488 |
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489 if (p) |
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490 os << "; "; |
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491 } |
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492 } |
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493 |
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494 os << "]"; |
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495 |
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496 if (in_parens) |
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497 os << ")"; |
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498 } |
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499 |
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500 void |
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501 tree_print_code::visit_matrix_row (tree_matrix_row& lst) |
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502 { |
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503 Pix p = lst.first (); |
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504 |
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505 while (p) |
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506 { |
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507 tree_expression *elt = lst (p); |
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508 |
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509 lst.next (p); |
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510 |
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511 if (elt) |
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512 { |
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513 elt->accept (*this); |
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514 |
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515 if (p) |
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516 os << ", "; |
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517 } |
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518 } |
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519 } |
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520 |
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521 void |
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522 tree_print_code::visit_multi_assignment_expression |
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523 (tree_multi_assignment_expression& expr) |
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524 { |
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525 indent (); |
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526 |
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527 bool in_parens = expr.is_in_parens (); |
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528 |
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529 if (in_parens) |
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530 os << "("; |
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531 |
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532 tree_return_list *lhs = expr.left_hand_side (); |
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533 |
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534 if (lhs) |
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535 { |
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536 int len = lhs->length (); |
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537 |
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538 if (len > 1) |
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539 os << "["; |
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540 |
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541 lhs->accept (*this); |
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542 |
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543 if (len > 1) |
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544 os << "]"; |
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545 } |
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546 |
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547 os << " = "; |
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548 |
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549 tree_multi_val_ret *rhs = expr.right_hand_side (); |
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550 |
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551 if (rhs) |
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552 rhs->accept (*this); |
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553 |
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554 if (in_parens) |
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555 os << ")"; |
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556 } |
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557 |
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558 void |
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2620
|
559 tree_print_code::visit_no_op_command (tree_no_op_command& cmd) |
|
|
560 { |
|
|
561 indent (); |
|
|
562 |
|
|
563 os << cmd.original_command (); |
|
|
564 } |
|
|
565 |
|
|
566 void |
|
2123
|
567 tree_print_code::visit_oct_obj (tree_oct_obj&) |
|
|
568 { |
|
|
569 ::error ("visit_oct_obj: internal error"); |
|
|
570 } |
|
|
571 |
|
|
572 void |
|
2372
|
573 tree_print_code::visit_constant (tree_constant& val) |
|
2123
|
574 { |
|
|
575 indent (); |
|
|
576 |
|
|
577 bool in_parens = val.is_in_parens (); |
|
|
578 |
|
|
579 if (in_parens) |
|
|
580 os << "("; |
|
|
581 |
|
2530
|
582 val.print (os, true, print_original_text); |
|
2123
|
583 |
|
|
584 if (in_parens) |
|
|
585 os << ")"; |
|
|
586 } |
|
|
587 |
|
|
588 void |
|
|
589 tree_print_code::visit_parameter_list (tree_parameter_list& lst) |
|
|
590 { |
|
|
591 Pix p = lst.first (); |
|
|
592 |
|
|
593 while (p) |
|
|
594 { |
|
|
595 tree_identifier *elt = lst (p); |
|
|
596 |
|
|
597 lst.next (p); |
|
|
598 |
|
|
599 if (elt) |
|
|
600 { |
|
|
601 elt->accept (*this); |
|
|
602 |
|
|
603 if (p) |
|
|
604 os << ", "; |
|
|
605 } |
|
|
606 } |
|
|
607 } |
|
|
608 |
|
|
609 void |
|
|
610 tree_print_code::visit_plot_command (tree_plot_command& cmd) |
|
|
611 { |
|
|
612 indent (); |
|
|
613 |
|
|
614 int ndim = cmd.num_dimensions (); |
|
|
615 |
|
|
616 switch (ndim) |
|
|
617 { |
|
|
618 case 1: |
|
|
619 os << "replot"; |
|
|
620 break; |
|
|
621 |
|
|
622 case 2: |
|
|
623 os << "gplot"; |
|
|
624 break; |
|
|
625 |
|
|
626 case 3: |
|
|
627 os << "gsplot"; |
|
|
628 break; |
|
|
629 |
|
|
630 default: |
|
|
631 os << "<unkown plot command>"; |
|
|
632 break; |
|
|
633 } |
|
|
634 |
|
|
635 plot_limits *range = cmd.limits (); |
|
|
636 |
|
|
637 if (range) |
|
|
638 range->accept (*this); |
|
|
639 |
|
|
640 subplot_list *plot_list = cmd.subplots (); |
|
|
641 |
|
|
642 if (plot_list) |
|
|
643 plot_list->accept (*this); |
|
|
644 } |
|
|
645 |
|
|
646 void |
|
|
647 tree_print_code::visit_plot_limits (plot_limits& cmd) |
|
|
648 { |
|
|
649 plot_range *x_range = cmd.x_limits (); |
|
|
650 |
|
|
651 if (x_range) |
|
|
652 x_range->accept (*this); |
|
|
653 |
|
|
654 plot_range *y_range = cmd.y_limits (); |
|
|
655 |
|
|
656 if (y_range) |
|
|
657 y_range->accept (*this); |
|
|
658 |
|
|
659 plot_range *z_range = cmd.z_limits (); |
|
|
660 |
|
|
661 if (z_range) |
|
|
662 z_range->accept (*this); |
|
|
663 } |
|
|
664 |
|
|
665 void |
|
|
666 tree_print_code::visit_plot_range (plot_range& cmd) |
|
|
667 { |
|
|
668 os << " ["; |
|
|
669 |
|
|
670 tree_expression *lower = cmd.lower_bound (); |
|
|
671 |
|
|
672 if (lower) |
|
|
673 lower->accept (*this); |
|
|
674 |
|
|
675 os << ":"; |
|
|
676 |
|
|
677 tree_expression *upper = cmd.upper_bound (); |
|
|
678 |
|
|
679 if (upper) |
|
|
680 upper->accept (*this); |
|
|
681 |
|
|
682 os << "]"; |
|
|
683 } |
|
|
684 |
|
|
685 void |
|
|
686 tree_print_code::visit_postfix_expression (tree_postfix_expression& expr) |
|
|
687 { |
|
|
688 indent (); |
|
|
689 |
|
|
690 bool in_parens = expr.is_in_parens (); |
|
|
691 |
|
|
692 if (in_parens) |
|
|
693 os << "("; |
|
|
694 |
|
|
695 tree_identifier *id = expr.ident (); |
|
|
696 |
|
|
697 if (id) |
|
|
698 id->accept (*this); |
|
|
699 |
|
|
700 os << expr.oper (); |
|
|
701 |
|
|
702 if (in_parens) |
|
|
703 os << ")"; |
|
|
704 } |
|
|
705 |
|
|
706 void |
|
|
707 tree_print_code::visit_prefix_expression (tree_prefix_expression& expr) |
|
|
708 { |
|
|
709 indent (); |
|
|
710 |
|
|
711 bool in_parens = expr.is_in_parens (); |
|
|
712 |
|
|
713 if (in_parens) |
|
|
714 os << "("; |
|
|
715 |
|
|
716 os << expr.oper (); |
|
|
717 |
|
|
718 tree_identifier *id = expr.ident (); |
|
|
719 |
|
|
720 if (id) |
|
|
721 id->accept (*this); |
|
|
722 |
|
|
723 if (in_parens) |
|
|
724 os << ")"; |
|
|
725 } |
|
|
726 |
|
|
727 void |
|
|
728 tree_print_code::visit_return_command (tree_return_command&) |
|
|
729 { |
|
|
730 indent (); |
|
|
731 |
|
|
732 os << "return"; |
|
|
733 } |
|
|
734 |
|
|
735 void |
|
|
736 tree_print_code::visit_return_list (tree_return_list& lst) |
|
|
737 { |
|
|
738 Pix p = lst.first (); |
|
|
739 |
|
|
740 while (p) |
|
|
741 { |
|
|
742 tree_index_expression *elt = lst (p); |
|
|
743 |
|
|
744 lst.next (p); |
|
|
745 |
|
|
746 if (elt) |
|
|
747 { |
|
|
748 elt->accept (*this); |
|
|
749 |
|
|
750 if (p) |
|
|
751 os << ", "; |
|
|
752 } |
|
|
753 } |
|
|
754 } |
|
|
755 |
|
|
756 void |
|
|
757 tree_print_code::visit_simple_assignment_expression |
|
|
758 (tree_simple_assignment_expression& expr) |
|
|
759 { |
|
|
760 indent (); |
|
|
761 |
|
|
762 bool in_parens = expr.is_in_parens (); |
|
|
763 |
|
|
764 if (in_parens) |
|
|
765 os << "("; |
|
|
766 |
|
|
767 if (! expr.is_ans_assign ()) |
|
|
768 { |
|
|
769 tree_indirect_ref *lhs = expr.left_hand_side (); |
|
|
770 |
|
|
771 if (lhs) |
|
|
772 lhs->accept (*this); |
|
|
773 |
|
|
774 tree_argument_list *index = expr.lhs_index (); |
|
|
775 |
|
|
776 if (index) |
|
|
777 { |
|
|
778 os << " ("; |
|
|
779 index->accept (*this); |
|
|
780 os << ")"; |
|
|
781 } |
|
|
782 |
|
2878
|
783 os << " " << expr.oper () << " "; |
|
2123
|
784 } |
|
|
785 |
|
|
786 tree_expression *rhs = expr.right_hand_side (); |
|
|
787 |
|
|
788 if (rhs) |
|
|
789 rhs->accept (*this); |
|
|
790 |
|
|
791 if (in_parens) |
|
|
792 os << ")"; |
|
|
793 } |
|
|
794 |
|
|
795 void |
|
|
796 tree_print_code::visit_statement (tree_statement& stmt) |
|
|
797 { |
|
|
798 tree_command *cmd = stmt.command (); |
|
|
799 |
|
|
800 if (cmd) |
|
|
801 { |
|
|
802 cmd->accept (*this); |
|
|
803 |
|
|
804 if (! stmt.print_result ()) |
|
|
805 os << ";"; |
|
|
806 |
|
|
807 newline (); |
|
|
808 } |
|
|
809 else |
|
|
810 { |
|
|
811 tree_expression *expr = stmt.expression (); |
|
|
812 |
|
|
813 if (expr) |
|
|
814 { |
|
|
815 expr->accept (*this); |
|
|
816 |
|
|
817 if (! stmt.print_result ()) |
|
|
818 os << ";"; |
|
|
819 |
|
|
820 newline (); |
|
|
821 } |
|
|
822 } |
|
|
823 } |
|
|
824 |
|
|
825 void |
|
|
826 tree_print_code::visit_statement_list (tree_statement_list& lst) |
|
|
827 { |
|
|
828 for (Pix p = lst.first (); p != 0; lst.next (p)) |
|
|
829 { |
|
|
830 tree_statement *elt = lst (p); |
|
|
831 |
|
|
832 if (elt) |
|
|
833 elt->accept (*this); |
|
|
834 } |
|
|
835 } |
|
|
836 |
|
|
837 void |
|
|
838 tree_print_code::visit_subplot (subplot& cmd) |
|
|
839 { |
|
|
840 tree_expression *sp_plot_data = cmd.plot_data (); |
|
|
841 |
|
|
842 if (sp_plot_data) |
|
|
843 { |
|
|
844 os << " "; |
|
|
845 |
|
|
846 sp_plot_data->accept (*this); |
|
|
847 } |
|
|
848 |
|
|
849 subplot_using *sp_using_clause = cmd.using_clause (); |
|
|
850 |
|
|
851 if (sp_using_clause) |
|
|
852 sp_using_clause->accept (*this); |
|
|
853 |
|
|
854 tree_expression *sp_title_clause = cmd.title_clause (); |
|
|
855 |
|
|
856 if (sp_title_clause) |
|
|
857 sp_title_clause->accept (*this); |
|
|
858 |
|
|
859 subplot_style *sp_style_clause = cmd.style_clause (); |
|
|
860 |
|
|
861 if (sp_style_clause) |
|
|
862 sp_style_clause->accept (*this); |
|
|
863 } |
|
|
864 |
|
|
865 void |
|
|
866 tree_print_code::visit_subplot_list (subplot_list& lst) |
|
|
867 { |
|
|
868 Pix p = lst.first (); |
|
|
869 |
|
|
870 while (p) |
|
|
871 { |
|
|
872 subplot *elt = lst (p); |
|
|
873 |
|
|
874 lst.next (p); |
|
|
875 |
|
|
876 if (elt) |
|
|
877 { |
|
|
878 elt->accept (*this); |
|
|
879 |
|
|
880 if (p) |
|
|
881 os << ","; |
|
|
882 } |
|
|
883 } |
|
|
884 } |
|
|
885 |
|
|
886 void |
|
|
887 tree_print_code::visit_subplot_style (subplot_style& cmd) |
|
|
888 { |
|
|
889 os << " with " << cmd.style (); |
|
|
890 |
|
|
891 tree_expression *sp_linetype = cmd.linetype (); |
|
|
892 |
|
|
893 if (sp_linetype) |
|
|
894 { |
|
|
895 os << " "; |
|
|
896 |
|
|
897 sp_linetype->accept (*this); |
|
|
898 } |
|
|
899 |
|
|
900 tree_expression *sp_pointtype = cmd.pointtype (); |
|
|
901 |
|
|
902 if (sp_pointtype) |
|
|
903 { |
|
|
904 os << " "; |
|
|
905 |
|
|
906 sp_pointtype->accept (*this); |
|
|
907 } |
|
|
908 } |
|
|
909 |
|
|
910 void |
|
|
911 tree_print_code::visit_subplot_using (subplot_using& cmd) |
|
|
912 { |
|
|
913 os << " using "; |
|
|
914 |
|
|
915 int qual_count = cmd.qualifier_count (); |
|
|
916 |
|
|
917 if (qual_count > 0) |
|
|
918 { |
|
|
919 tree_expression **x = cmd.qualifiers (); |
|
|
920 |
|
|
921 for (int i = 0; i < qual_count; i++) |
|
|
922 { |
|
|
923 if (i > 0) |
|
|
924 os << ":"; |
|
|
925 |
|
|
926 if (x[i]) |
|
|
927 x[i]->accept (*this); |
|
|
928 } |
|
|
929 } |
|
|
930 else |
|
|
931 { |
|
|
932 tree_expression *scanf_fmt = cmd.scanf_format (); |
|
|
933 |
|
|
934 if (scanf_fmt) |
|
|
935 scanf_fmt->accept (*this); |
|
|
936 } |
|
|
937 } |
|
|
938 |
|
|
939 void |
|
2846
|
940 tree_print_code::visit_switch_case (tree_switch_case& cs) |
|
|
941 { |
|
|
942 indent (); |
|
|
943 |
|
|
944 if (cs.is_default_case ()) |
|
|
945 os << "otherwise"; |
|
|
946 else |
|
|
947 os << "case "; |
|
|
948 |
|
|
949 tree_expression *label = cs.case_label (); |
|
|
950 |
|
|
951 if (label) |
|
|
952 label->accept (*this); |
|
|
953 |
|
|
954 newline (); |
|
|
955 |
|
|
956 increment_indent_level (); |
|
|
957 |
|
|
958 tree_statement_list *list = cs.commands (); |
|
|
959 |
|
|
960 if (list) |
|
|
961 { |
|
|
962 list->accept (*this); |
|
|
963 |
|
|
964 decrement_indent_level (); |
|
|
965 } |
|
|
966 } |
|
|
967 |
|
|
968 void |
|
|
969 tree_print_code::visit_switch_case_list (tree_switch_case_list& lst) |
|
|
970 { |
|
|
971 Pix p = lst.first (); |
|
|
972 |
|
|
973 while (p) |
|
|
974 { |
|
|
975 tree_switch_case *elt = lst (p); |
|
|
976 |
|
|
977 if (elt) |
|
|
978 elt->accept (*this); |
|
|
979 |
|
|
980 lst.next (p); |
|
|
981 } |
|
|
982 } |
|
|
983 |
|
|
984 void |
|
|
985 tree_print_code::visit_switch_command (tree_switch_command& cmd) |
|
|
986 { |
|
|
987 indent (); |
|
|
988 |
|
|
989 os << "switch "; |
|
|
990 |
|
|
991 tree_expression *expr = cmd.switch_value (); |
|
|
992 |
|
|
993 if (expr) |
|
|
994 expr->accept (*this); |
|
|
995 |
|
|
996 newline (); |
|
|
997 |
|
|
998 increment_indent_level (); |
|
|
999 |
|
|
1000 tree_switch_case_list *list = cmd.case_list (); |
|
|
1001 |
|
|
1002 if (list) |
|
|
1003 list->accept (*this); |
|
|
1004 |
|
|
1005 indent (); |
|
|
1006 |
|
|
1007 os << "endswitch"; |
|
|
1008 } |
|
|
1009 |
|
|
1010 void |
|
2123
|
1011 tree_print_code::visit_try_catch_command (tree_try_catch_command& cmd) |
|
|
1012 { |
|
|
1013 indent (); |
|
|
1014 |
|
|
1015 os << "try_catch"; |
|
|
1016 |
|
|
1017 newline (); |
|
|
1018 |
|
|
1019 tree_statement_list *try_code = cmd.body (); |
|
|
1020 |
|
|
1021 if (try_code) |
|
|
1022 { |
|
|
1023 increment_indent_level (); |
|
|
1024 try_code->accept (*this); |
|
|
1025 decrement_indent_level (); |
|
|
1026 } |
|
|
1027 |
|
|
1028 indent (); |
|
|
1029 |
|
|
1030 os << "catch"; |
|
|
1031 |
|
|
1032 newline (); |
|
|
1033 |
|
|
1034 tree_statement_list *catch_code = cmd.cleanup (); |
|
|
1035 |
|
|
1036 if (catch_code) |
|
|
1037 { |
|
|
1038 increment_indent_level (); |
|
|
1039 catch_code->accept (*this); |
|
|
1040 decrement_indent_level (); |
|
|
1041 } |
|
|
1042 |
|
|
1043 indent (); |
|
|
1044 |
|
|
1045 os << "end_try_catch"; |
|
|
1046 } |
|
|
1047 |
|
|
1048 void |
|
|
1049 tree_print_code::visit_unary_expression (tree_unary_expression& expr) |
|
|
1050 { |
|
|
1051 indent (); |
|
|
1052 |
|
|
1053 bool in_parens = expr.is_in_parens (); |
|
|
1054 |
|
|
1055 if (in_parens) |
|
|
1056 os << "("; |
|
|
1057 |
|
|
1058 tree_expression *op = expr.operand (); |
|
|
1059 |
|
2372
|
1060 if (expr.is_prefix_op ()) |
|
|
1061 { |
|
|
1062 os << expr.oper (); |
|
2123
|
1063 |
|
|
1064 if (op) |
|
|
1065 op->accept (*this); |
|
2372
|
1066 } |
|
|
1067 else |
|
|
1068 { |
|
2123
|
1069 if (op) |
|
|
1070 op->accept (*this); |
|
2372
|
1071 |
|
|
1072 os << expr.oper (); |
|
2123
|
1073 } |
|
|
1074 |
|
|
1075 if (in_parens) |
|
|
1076 os << ")"; |
|
|
1077 } |
|
|
1078 |
|
|
1079 void |
|
|
1080 tree_print_code::visit_unwind_protect_command |
|
|
1081 (tree_unwind_protect_command& cmd) |
|
|
1082 { |
|
|
1083 indent (); |
|
|
1084 |
|
|
1085 os << "unwind_protect"; |
|
|
1086 |
|
|
1087 newline (); |
|
|
1088 |
|
|
1089 tree_statement_list *unwind_protect_code = cmd.body (); |
|
|
1090 |
|
|
1091 if (unwind_protect_code) |
|
|
1092 { |
|
|
1093 increment_indent_level (); |
|
|
1094 unwind_protect_code->accept (*this); |
|
|
1095 decrement_indent_level (); |
|
|
1096 } |
|
|
1097 |
|
|
1098 indent (); |
|
|
1099 |
|
|
1100 os << "cleanup_code"; |
|
|
1101 |
|
|
1102 newline (); |
|
|
1103 |
|
|
1104 tree_statement_list *cleanup_code = cmd.cleanup (); |
|
|
1105 |
|
|
1106 if (cleanup_code) |
|
|
1107 { |
|
|
1108 increment_indent_level (); |
|
|
1109 cleanup_code->accept (*this); |
|
|
1110 decrement_indent_level (); |
|
|
1111 } |
|
|
1112 |
|
|
1113 indent (); |
|
|
1114 |
|
|
1115 os << "end_unwind_protect"; |
|
|
1116 } |
|
|
1117 |
|
|
1118 void |
|
|
1119 tree_print_code::visit_while_command (tree_while_command& cmd) |
|
|
1120 { |
|
|
1121 indent (); |
|
|
1122 |
|
|
1123 os << "while "; |
|
|
1124 |
|
|
1125 tree_expression *expr = cmd.condition (); |
|
|
1126 |
|
|
1127 if (expr) |
|
|
1128 expr->accept (*this); |
|
|
1129 |
|
|
1130 newline (); |
|
|
1131 |
|
|
1132 tree_statement_list *list = cmd.body (); |
|
|
1133 |
|
|
1134 if (list) |
|
|
1135 { |
|
|
1136 increment_indent_level (); |
|
|
1137 list->accept (*this); |
|
|
1138 decrement_indent_level (); |
|
|
1139 } |
|
|
1140 |
|
|
1141 indent (); |
|
|
1142 |
|
|
1143 os << "endwhile"; |
|
|
1144 } |
|
|
1145 |
|
|
1146 // Current indentation. |
|
|
1147 int tree_print_code::curr_print_indent_level = 0; |
|
|
1148 |
|
|
1149 // Nonzero means we are at the beginning of a line. |
|
|
1150 bool tree_print_code::beginning_of_line = true; |
|
|
1151 |
|
|
1152 // Each print_code() function should call this before printing |
|
|
1153 // anything. |
|
|
1154 // |
|
|
1155 // This doesn't need to be fast, but isn't there a better way? |
|
|
1156 |
|
|
1157 void |
|
|
1158 tree_print_code::indent (void) |
|
|
1159 { |
|
|
1160 assert (curr_print_indent_level >= 0); |
|
|
1161 |
|
|
1162 if (beginning_of_line) |
|
|
1163 { |
|
2530
|
1164 os.form ("%s%*s", prefix.c_str (), curr_print_indent_level, ""); |
|
2123
|
1165 beginning_of_line = false; |
|
|
1166 } |
|
|
1167 } |
|
|
1168 |
|
|
1169 // All print_code() functions should use this to print new lines. |
|
|
1170 |
|
|
1171 void |
|
|
1172 tree_print_code::newline (void) |
|
|
1173 { |
|
|
1174 os << "\n"; |
|
|
1175 |
|
|
1176 beginning_of_line = true; |
|
|
1177 } |
|
|
1178 |
|
|
1179 // For ressetting print_code state. |
|
|
1180 |
|
|
1181 void |
|
|
1182 tree_print_code::reset (void) |
|
|
1183 { |
|
|
1184 beginning_of_line = true; |
|
|
1185 curr_print_indent_level = 0; |
|
|
1186 } |
|
|
1187 |
|
|
1188 /* |
|
|
1189 ;;; Local Variables: *** |
|
|
1190 ;;; mode: C++ *** |
|
|
1191 ;;; End: *** |
|
|
1192 */ |
