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2123
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1 /* |
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2 |
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3 Copyright (C) 1996 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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34 #include "pr-output.h" |
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35 #include "pt-pr-code.h" |
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36 #include "user-prefs.h" |
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37 |
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38 void |
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39 tree_print_code::visit_argument_list (tree_argument_list& lst) |
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40 { |
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41 Pix p = lst.first (); |
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42 |
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43 while (p) |
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44 { |
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45 tree_expression *elt = lst (p); |
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46 |
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47 lst.next (p); |
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48 |
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49 if (elt) |
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50 { |
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51 elt->accept (*this); |
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52 |
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53 if (p) |
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54 os << ", "; |
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55 } |
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56 } |
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57 } |
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58 |
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59 void |
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60 tree_print_code::visit_binary_expression (tree_binary_expression& expr) |
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61 { |
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62 indent (); |
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63 |
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64 bool in_parens = expr.is_in_parens (); |
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65 |
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66 if (in_parens) |
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67 os << "("; |
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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 if (in_parens) |
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82 os << ")"; |
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83 } |
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84 |
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85 void |
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86 tree_print_code::visit_break_command (tree_break_command&) |
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87 { |
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88 indent (); |
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89 |
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90 os << "break"; |
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91 } |
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92 |
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93 void |
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94 tree_print_code::visit_builtin (tree_builtin& fcn) |
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95 { |
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96 os << fcn.name () |
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97 << " can't be printed because it is a built-in function\n"; |
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98 } |
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99 |
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100 void |
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101 tree_print_code::visit_colon_expression (tree_colon_expression& expr) |
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102 { |
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103 indent (); |
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104 |
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105 bool in_parens = expr.is_in_parens (); |
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106 |
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107 if (in_parens) |
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108 os << "("; |
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109 |
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110 tree_expression *op1 = expr.base (); |
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111 |
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112 if (op1) |
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113 op1->accept (*this); |
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114 |
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115 // Stupid syntax. |
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116 |
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117 tree_expression *op3 = expr.increment (); |
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118 |
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119 if (op3) |
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120 { |
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121 os << ":"; |
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122 op3->accept (*this); |
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123 } |
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124 |
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125 tree_expression *op2 = expr.limit (); |
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126 |
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127 if (op2) |
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128 { |
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129 os << ":"; |
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130 op2->accept (*this); |
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131 } |
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132 |
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133 if (in_parens) |
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134 os << ")"; |
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135 } |
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136 |
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137 void |
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138 tree_print_code::visit_continue_command (tree_continue_command&) |
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139 { |
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140 indent (); |
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141 |
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142 os << "continue"; |
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143 } |
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144 |
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145 void |
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146 tree_print_code::visit_for_command (tree_for_command& cmd) |
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147 { |
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148 indent (); |
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149 |
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150 os << "for "; |
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151 |
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152 tree_index_expression *id = cmd.ident (); |
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153 |
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154 if (id) |
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155 id->accept (*this); |
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156 |
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157 os << " = "; |
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158 |
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159 tree_expression *expr = cmd.control_expr (); |
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160 |
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161 if (expr) |
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162 expr->accept (*this); |
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163 |
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164 newline (); |
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165 |
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166 tree_statement_list *list = cmd.body (); |
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167 |
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168 if (list) |
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169 { |
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170 increment_indent_level (); |
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171 list->accept (*this); |
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172 decrement_indent_level (); |
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173 } |
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174 |
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175 indent (); |
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176 |
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177 os << "endfor"; |
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178 } |
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179 |
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180 void |
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181 tree_print_code::visit_function (tree_function& fcn) |
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182 { |
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183 reset (); |
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184 |
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185 visit_function_header (fcn); |
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186 |
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187 tree_statement_list *cmd_list = fcn.body (); |
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188 |
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189 if (cmd_list) |
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190 { |
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191 increment_indent_level (); |
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192 cmd_list->accept (*this); |
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193 decrement_indent_level (); |
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194 } |
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195 |
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196 visit_function_trailer (fcn); |
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197 } |
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198 |
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199 void |
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200 tree_print_code::visit_function_header (tree_function& fcn) |
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201 { |
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202 indent (); |
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203 |
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204 os << "function "; |
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205 |
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206 tree_parameter_list *ret_list = fcn.return_list (); |
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207 |
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208 if (ret_list) |
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209 { |
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210 bool takes_var_return = fcn.takes_var_return (); |
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211 |
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212 int len = ret_list->length (); |
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213 |
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214 if (len > 1 || takes_var_return) |
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215 os << "["; |
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216 |
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217 ret_list->accept (*this); |
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218 |
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219 if (takes_var_return) |
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220 { |
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221 if (len > 0) |
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222 os << ", "; |
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223 |
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224 os << "..."; |
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225 } |
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226 |
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227 if (len > 1 || takes_var_return) |
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228 os << "]"; |
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229 |
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230 os << " = "; |
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231 } |
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232 |
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233 string fcn_name = fcn.function_name (); |
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234 |
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235 os << (fcn_name.empty () ? string ("(empty)") : fcn_name) << " "; |
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236 |
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237 tree_parameter_list *param_list = fcn.parameter_list (); |
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238 |
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239 if (param_list) |
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240 { |
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241 bool takes_varargs = fcn.takes_varargs (); |
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242 |
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243 int len = param_list->length (); |
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244 |
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245 if (len > 0 || takes_varargs) |
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246 os << "("; |
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247 |
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248 param_list->accept (*this); |
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249 |
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250 if (takes_varargs) |
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251 { |
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252 if (len > 0) |
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253 os << ", "; |
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254 |
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255 os << "..."; |
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256 } |
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257 |
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258 if (len > 0 || takes_varargs) |
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259 { |
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260 os << ")"; |
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261 newline (); |
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262 } |
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263 } |
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264 else |
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265 { |
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266 os << "()"; |
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267 newline (); |
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268 } |
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269 } |
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270 |
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271 void |
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272 tree_print_code::visit_function_trailer (tree_function&) |
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273 { |
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274 indent (); |
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275 |
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276 os << "endfunction"; |
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277 |
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278 newline (); |
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279 } |
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280 |
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281 void |
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282 tree_print_code::visit_global (tree_global& cmd) |
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283 { |
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284 tree_identifier *id = cmd.ident (); |
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285 |
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286 if (id) |
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287 id->accept (*this); |
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288 |
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289 tree_simple_assignment_expression *ass_expr = cmd.assign_expr (); |
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290 |
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291 if (ass_expr) |
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292 ass_expr->accept (*this); |
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293 } |
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294 |
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295 void |
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296 tree_print_code::visit_global_command (tree_global_command& cmd) |
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297 { |
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298 indent (); |
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299 |
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300 os << "global "; |
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301 |
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302 tree_global_init_list *init_list = cmd.initializer_list (); |
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303 |
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304 if (init_list) |
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305 init_list->accept (*this); |
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306 } |
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307 |
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308 void |
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309 tree_print_code::visit_global_init_list (tree_global_init_list& lst) |
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310 { |
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311 Pix p = lst.first (); |
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312 |
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313 while (p) |
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314 { |
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315 tree_global *elt = lst (p); |
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316 |
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317 lst.next (p); |
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318 |
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319 if (elt) |
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320 { |
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321 elt->accept (*this); |
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322 |
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323 if (p) |
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324 os << ", "; |
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325 } |
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326 } |
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327 } |
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328 |
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329 void |
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330 tree_print_code::visit_identifier (tree_identifier& id) |
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331 { |
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332 indent (); |
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333 |
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334 bool in_parens = id.is_in_parens (); |
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335 |
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336 if (in_parens) |
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337 os << "("; |
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338 |
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339 string nm = id.name (); |
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340 os << (nm.empty () ? string ("(empty)") : nm); |
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341 |
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342 if (in_parens) |
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343 os << ")"; |
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344 } |
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345 |
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346 void |
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347 tree_print_code::visit_if_clause (tree_if_clause& cmd) |
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348 { |
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349 tree_expression *expr = cmd.condition (); |
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350 |
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351 if (expr) |
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352 expr->accept (*this); |
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353 |
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354 newline (); |
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355 |
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356 increment_indent_level (); |
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357 |
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358 tree_statement_list *list = cmd.commands (); |
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359 |
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360 if (list) |
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361 { |
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362 list->accept (*this); |
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363 |
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364 decrement_indent_level (); |
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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_if_command (tree_if_command& cmd) |
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370 { |
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371 indent (); |
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372 |
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373 os << "if "; |
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374 |
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375 tree_if_command_list *list = cmd.cmd_list (); |
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376 |
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377 if (list) |
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378 list->accept (*this); |
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379 |
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380 indent (); |
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381 |
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382 os << "endif"; |
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383 } |
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384 |
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385 void |
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386 tree_print_code::visit_if_command_list (tree_if_command_list& lst) |
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387 { |
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388 Pix p = lst.first (); |
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389 |
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390 bool first_elt = true; |
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391 |
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392 while (p) |
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393 { |
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394 tree_if_clause *elt = lst (p); |
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395 |
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396 if (elt) |
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397 { |
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398 if (! first_elt) |
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399 { |
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400 indent (); |
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401 |
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402 if (elt->is_else_clause ()) |
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403 os << "else"; |
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404 else |
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405 os << "elseif "; |
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406 } |
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407 |
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408 elt->accept (*this); |
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409 } |
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410 |
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411 first_elt = false; |
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412 lst.next (p); |
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413 } |
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414 } |
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415 |
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416 void |
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417 tree_print_code::visit_index_expression (tree_index_expression& expr) |
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418 { |
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419 indent (); |
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420 |
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421 bool in_parens = expr.is_in_parens (); |
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422 |
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423 if (in_parens) |
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424 os << "("; |
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425 |
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426 tree_indirect_ref *id = expr.ident (); |
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427 |
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428 if (id) |
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429 id->accept (*this); |
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430 |
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431 tree_argument_list *list = expr.arg_list (); |
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432 |
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433 if (list) |
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434 { |
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435 os << " ("; |
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436 list->accept (*this); |
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437 os << ")"; |
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438 } |
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439 |
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440 if (in_parens) |
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441 os << ")"; |
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442 } |
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443 |
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444 void |
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445 tree_print_code::visit_indirect_ref (tree_indirect_ref& expr) |
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446 { |
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447 indent (); |
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448 |
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449 bool in_parens = expr.is_in_parens (); |
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450 |
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451 if (in_parens) |
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452 os << "("; |
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453 |
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454 // The name of the indirect ref includes the sub-elements. |
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455 |
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456 string nm = expr.name (); |
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457 os << (nm.empty () ? string ("(empty)") : nm); |
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458 |
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459 if (in_parens) |
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460 os << ")"; |
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461 } |
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462 |
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463 void |
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464 tree_print_code::visit_matrix (tree_matrix& lst) |
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465 { |
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466 indent (); |
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467 |
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468 bool in_parens = lst.is_in_parens (); |
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469 |
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470 if (in_parens) |
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471 os << "("; |
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472 |
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473 os << "["; |
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474 |
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475 Pix p = lst.first (); |
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476 |
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477 while (p) |
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478 { |
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479 tree_matrix_row *elt = lst (p); |
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480 |
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481 lst.next (p); |
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482 |
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483 if (elt) |
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484 { |
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485 elt->accept (*this); |
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486 |
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487 if (p) |
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488 os << "; "; |
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489 } |
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490 } |
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491 |
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492 os << "]"; |
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493 |
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494 if (in_parens) |
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495 os << ")"; |
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496 } |
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497 |
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498 void |
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499 tree_print_code::visit_matrix_row (tree_matrix_row& lst) |
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500 { |
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501 Pix p = lst.first (); |
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502 |
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503 while (p) |
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504 { |
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505 tree_expression *elt = lst (p); |
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506 |
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507 lst.next (p); |
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508 |
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509 if (elt) |
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510 { |
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511 elt->accept (*this); |
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512 |
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513 if (p) |
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514 os << ", "; |
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515 } |
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516 } |
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517 } |
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518 |
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519 void |
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520 tree_print_code::visit_multi_assignment_expression |
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521 (tree_multi_assignment_expression& expr) |
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522 { |
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523 indent (); |
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524 |
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525 bool in_parens = expr.is_in_parens (); |
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526 |
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527 if (in_parens) |
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528 os << "("; |
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529 |
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530 tree_return_list *lhs = expr.left_hand_side (); |
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531 |
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532 if (lhs) |
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533 { |
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534 int len = lhs->length (); |
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535 |
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536 if (len > 1) |
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537 os << "["; |
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538 |
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539 lhs->accept (*this); |
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540 |
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541 if (len > 1) |
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542 os << "]"; |
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543 } |
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544 |
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545 os << " = "; |
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546 |
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547 tree_multi_val_ret *rhs = expr.right_hand_side (); |
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548 |
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549 if (rhs) |
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550 rhs->accept (*this); |
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551 |
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552 if (in_parens) |
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553 os << ")"; |
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554 } |
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555 |
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556 void |
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557 tree_print_code::visit_oct_obj (tree_oct_obj&) |
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558 { |
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559 ::error ("visit_oct_obj: internal error"); |
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560 } |
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561 |
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562 void |
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563 tree_print_code::visit_octave_value (octave_value& val) |
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564 { |
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565 indent (); |
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566 |
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567 bool in_parens = val.is_in_parens (); |
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568 |
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569 if (in_parens) |
|
|
570 os << "("; |
|
|
571 |
|
|
572 if (val.is_real_scalar ()) |
|
|
573 { |
|
|
574 string orig_text = val.original_text (); |
|
|
575 |
|
|
576 if (orig_text.empty ()) |
|
|
577 octave_print_internal (os, val.double_value (), 1); |
|
|
578 else |
|
|
579 os << orig_text; |
|
|
580 } |
|
|
581 else if (val.is_real_matrix ()) |
|
|
582 { |
|
|
583 octave_print_internal (os, val.matrix_value (), 1); |
|
|
584 } |
|
|
585 else if (val.is_complex_scalar ()) |
|
|
586 { |
|
|
587 Complex cs = val.complex_value (); |
|
|
588 |
|
|
589 double re = cs.real (); |
|
|
590 double im = cs.imag (); |
|
|
591 |
|
|
592 // If we have the original text and a pure imaginary, just |
|
|
593 // print the original text, because this must be a constant |
|
|
594 // that was parsed as part of a function. |
|
|
595 |
|
|
596 string orig_text = val.original_text (); |
|
|
597 |
|
|
598 if (! orig_text.empty () && re == 0.0 && im > 0.0) |
|
|
599 os << orig_text; |
|
|
600 else |
|
|
601 octave_print_internal (os, cs, 1); |
|
|
602 } |
|
|
603 else if (val.is_complex_matrix ()) |
|
|
604 { |
|
|
605 octave_print_internal (os, val.complex_matrix_value (), 1); |
|
|
606 } |
|
|
607 else if (val.is_char_matrix ()) |
|
|
608 { |
|
|
609 octave_print_internal (os, val.char_matrix_value (), 1); |
|
|
610 } |
|
|
611 else if (val.is_string ()) |
|
|
612 { |
|
|
613 octave_print_internal (os, val.all_strings (), 1, 1); |
|
|
614 } |
|
|
615 else if (val.is_range ()) |
|
|
616 { |
|
|
617 octave_print_internal (os, val.range_value (), 1); |
|
|
618 } |
|
|
619 else if (val.is_magic_colon ()) |
|
|
620 { |
|
|
621 os << ":"; |
|
|
622 } |
|
|
623 else if (val.is_all_va_args ()) |
|
|
624 { |
|
|
625 os << "all_va_args"; |
|
|
626 } |
|
|
627 else |
|
|
628 { |
|
|
629 panic_impossible (); |
|
|
630 } |
|
|
631 |
|
|
632 if (in_parens) |
|
|
633 os << ")"; |
|
|
634 } |
|
|
635 |
|
|
636 void |
|
|
637 tree_print_code::visit_parameter_list (tree_parameter_list& lst) |
|
|
638 { |
|
|
639 Pix p = lst.first (); |
|
|
640 |
|
|
641 while (p) |
|
|
642 { |
|
|
643 tree_identifier *elt = lst (p); |
|
|
644 |
|
|
645 lst.next (p); |
|
|
646 |
|
|
647 if (elt) |
|
|
648 { |
|
|
649 elt->accept (*this); |
|
|
650 |
|
|
651 if (p) |
|
|
652 os << ", "; |
|
|
653 } |
|
|
654 } |
|
|
655 } |
|
|
656 |
|
|
657 void |
|
|
658 tree_print_code::visit_plot_command (tree_plot_command& cmd) |
|
|
659 { |
|
|
660 indent (); |
|
|
661 |
|
|
662 int ndim = cmd.num_dimensions (); |
|
|
663 |
|
|
664 switch (ndim) |
|
|
665 { |
|
|
666 case 1: |
|
|
667 os << "replot"; |
|
|
668 break; |
|
|
669 |
|
|
670 case 2: |
|
|
671 os << "gplot"; |
|
|
672 break; |
|
|
673 |
|
|
674 case 3: |
|
|
675 os << "gsplot"; |
|
|
676 break; |
|
|
677 |
|
|
678 default: |
|
|
679 os << "<unkown plot command>"; |
|
|
680 break; |
|
|
681 } |
|
|
682 |
|
|
683 plot_limits *range = cmd.limits (); |
|
|
684 |
|
|
685 if (range) |
|
|
686 range->accept (*this); |
|
|
687 |
|
|
688 subplot_list *plot_list = cmd.subplots (); |
|
|
689 |
|
|
690 if (plot_list) |
|
|
691 plot_list->accept (*this); |
|
|
692 } |
|
|
693 |
|
|
694 void |
|
|
695 tree_print_code::visit_plot_limits (plot_limits& cmd) |
|
|
696 { |
|
|
697 plot_range *x_range = cmd.x_limits (); |
|
|
698 |
|
|
699 if (x_range) |
|
|
700 x_range->accept (*this); |
|
|
701 |
|
|
702 plot_range *y_range = cmd.y_limits (); |
|
|
703 |
|
|
704 if (y_range) |
|
|
705 y_range->accept (*this); |
|
|
706 |
|
|
707 plot_range *z_range = cmd.z_limits (); |
|
|
708 |
|
|
709 if (z_range) |
|
|
710 z_range->accept (*this); |
|
|
711 } |
|
|
712 |
|
|
713 void |
|
|
714 tree_print_code::visit_plot_range (plot_range& cmd) |
|
|
715 { |
|
|
716 os << " ["; |
|
|
717 |
|
|
718 tree_expression *lower = cmd.lower_bound (); |
|
|
719 |
|
|
720 if (lower) |
|
|
721 lower->accept (*this); |
|
|
722 |
|
|
723 os << ":"; |
|
|
724 |
|
|
725 tree_expression *upper = cmd.upper_bound (); |
|
|
726 |
|
|
727 if (upper) |
|
|
728 upper->accept (*this); |
|
|
729 |
|
|
730 os << "]"; |
|
|
731 } |
|
|
732 |
|
|
733 void |
|
|
734 tree_print_code::visit_postfix_expression (tree_postfix_expression& expr) |
|
|
735 { |
|
|
736 indent (); |
|
|
737 |
|
|
738 bool in_parens = expr.is_in_parens (); |
|
|
739 |
|
|
740 if (in_parens) |
|
|
741 os << "("; |
|
|
742 |
|
|
743 tree_identifier *id = expr.ident (); |
|
|
744 |
|
|
745 if (id) |
|
|
746 id->accept (*this); |
|
|
747 |
|
|
748 os << expr.oper (); |
|
|
749 |
|
|
750 if (in_parens) |
|
|
751 os << ")"; |
|
|
752 } |
|
|
753 |
|
|
754 void |
|
|
755 tree_print_code::visit_prefix_expression (tree_prefix_expression& expr) |
|
|
756 { |
|
|
757 indent (); |
|
|
758 |
|
|
759 bool in_parens = expr.is_in_parens (); |
|
|
760 |
|
|
761 if (in_parens) |
|
|
762 os << "("; |
|
|
763 |
|
|
764 os << expr.oper (); |
|
|
765 |
|
|
766 tree_identifier *id = expr.ident (); |
|
|
767 |
|
|
768 if (id) |
|
|
769 id->accept (*this); |
|
|
770 |
|
|
771 if (in_parens) |
|
|
772 os << ")"; |
|
|
773 } |
|
|
774 |
|
|
775 void |
|
|
776 tree_print_code::visit_return_command (tree_return_command&) |
|
|
777 { |
|
|
778 indent (); |
|
|
779 |
|
|
780 os << "return"; |
|
|
781 } |
|
|
782 |
|
|
783 void |
|
|
784 tree_print_code::visit_return_list (tree_return_list& lst) |
|
|
785 { |
|
|
786 Pix p = lst.first (); |
|
|
787 |
|
|
788 while (p) |
|
|
789 { |
|
|
790 tree_index_expression *elt = lst (p); |
|
|
791 |
|
|
792 lst.next (p); |
|
|
793 |
|
|
794 if (elt) |
|
|
795 { |
|
|
796 elt->accept (*this); |
|
|
797 |
|
|
798 if (p) |
|
|
799 os << ", "; |
|
|
800 } |
|
|
801 } |
|
|
802 } |
|
|
803 |
|
|
804 void |
|
|
805 tree_print_code::visit_simple_assignment_expression |
|
|
806 (tree_simple_assignment_expression& expr) |
|
|
807 { |
|
|
808 indent (); |
|
|
809 |
|
|
810 bool in_parens = expr.is_in_parens (); |
|
|
811 |
|
|
812 if (in_parens) |
|
|
813 os << "("; |
|
|
814 |
|
|
815 if (! expr.is_ans_assign ()) |
|
|
816 { |
|
|
817 tree_indirect_ref *lhs = expr.left_hand_side (); |
|
|
818 |
|
|
819 if (lhs) |
|
|
820 lhs->accept (*this); |
|
|
821 |
|
|
822 tree_argument_list *index = expr.lhs_index (); |
|
|
823 |
|
|
824 if (index) |
|
|
825 { |
|
|
826 os << " ("; |
|
|
827 index->accept (*this); |
|
|
828 os << ")"; |
|
|
829 } |
|
|
830 |
|
|
831 os << " = "; |
|
|
832 } |
|
|
833 |
|
|
834 tree_expression *rhs = expr.right_hand_side (); |
|
|
835 |
|
|
836 if (rhs) |
|
|
837 rhs->accept (*this); |
|
|
838 |
|
|
839 if (in_parens) |
|
|
840 os << ")"; |
|
|
841 } |
|
|
842 |
|
|
843 void |
|
|
844 tree_print_code::visit_statement (tree_statement& stmt) |
|
|
845 { |
|
|
846 tree_command *cmd = stmt.command (); |
|
|
847 |
|
|
848 if (cmd) |
|
|
849 { |
|
|
850 cmd->accept (*this); |
|
|
851 |
|
|
852 if (! stmt.print_result ()) |
|
|
853 os << ";"; |
|
|
854 |
|
|
855 newline (); |
|
|
856 } |
|
|
857 else |
|
|
858 { |
|
|
859 tree_expression *expr = stmt.expression (); |
|
|
860 |
|
|
861 if (expr) |
|
|
862 { |
|
|
863 expr->accept (*this); |
|
|
864 |
|
|
865 if (! stmt.print_result ()) |
|
|
866 os << ";"; |
|
|
867 |
|
|
868 newline (); |
|
|
869 } |
|
|
870 } |
|
|
871 } |
|
|
872 |
|
|
873 void |
|
|
874 tree_print_code::visit_statement_list (tree_statement_list& lst) |
|
|
875 { |
|
|
876 for (Pix p = lst.first (); p != 0; lst.next (p)) |
|
|
877 { |
|
|
878 tree_statement *elt = lst (p); |
|
|
879 |
|
|
880 if (elt) |
|
|
881 elt->accept (*this); |
|
|
882 } |
|
|
883 } |
|
|
884 |
|
|
885 void |
|
|
886 tree_print_code::visit_subplot (subplot& cmd) |
|
|
887 { |
|
|
888 tree_expression *sp_plot_data = cmd.plot_data (); |
|
|
889 |
|
|
890 if (sp_plot_data) |
|
|
891 { |
|
|
892 os << " "; |
|
|
893 |
|
|
894 sp_plot_data->accept (*this); |
|
|
895 } |
|
|
896 |
|
|
897 subplot_using *sp_using_clause = cmd.using_clause (); |
|
|
898 |
|
|
899 if (sp_using_clause) |
|
|
900 sp_using_clause->accept (*this); |
|
|
901 |
|
|
902 tree_expression *sp_title_clause = cmd.title_clause (); |
|
|
903 |
|
|
904 if (sp_title_clause) |
|
|
905 sp_title_clause->accept (*this); |
|
|
906 |
|
|
907 subplot_style *sp_style_clause = cmd.style_clause (); |
|
|
908 |
|
|
909 if (sp_style_clause) |
|
|
910 sp_style_clause->accept (*this); |
|
|
911 } |
|
|
912 |
|
|
913 void |
|
|
914 tree_print_code::visit_subplot_list (subplot_list& lst) |
|
|
915 { |
|
|
916 Pix p = lst.first (); |
|
|
917 |
|
|
918 while (p) |
|
|
919 { |
|
|
920 subplot *elt = lst (p); |
|
|
921 |
|
|
922 lst.next (p); |
|
|
923 |
|
|
924 if (elt) |
|
|
925 { |
|
|
926 elt->accept (*this); |
|
|
927 |
|
|
928 if (p) |
|
|
929 os << ","; |
|
|
930 } |
|
|
931 } |
|
|
932 } |
|
|
933 |
|
|
934 void |
|
|
935 tree_print_code::visit_subplot_style (subplot_style& cmd) |
|
|
936 { |
|
|
937 os << " with " << cmd.style (); |
|
|
938 |
|
|
939 tree_expression *sp_linetype = cmd.linetype (); |
|
|
940 |
|
|
941 if (sp_linetype) |
|
|
942 { |
|
|
943 os << " "; |
|
|
944 |
|
|
945 sp_linetype->accept (*this); |
|
|
946 } |
|
|
947 |
|
|
948 tree_expression *sp_pointtype = cmd.pointtype (); |
|
|
949 |
|
|
950 if (sp_pointtype) |
|
|
951 { |
|
|
952 os << " "; |
|
|
953 |
|
|
954 sp_pointtype->accept (*this); |
|
|
955 } |
|
|
956 } |
|
|
957 |
|
|
958 void |
|
|
959 tree_print_code::visit_subplot_using (subplot_using& cmd) |
|
|
960 { |
|
|
961 os << " using "; |
|
|
962 |
|
|
963 int qual_count = cmd.qualifier_count (); |
|
|
964 |
|
|
965 if (qual_count > 0) |
|
|
966 { |
|
|
967 tree_expression **x = cmd.qualifiers (); |
|
|
968 |
|
|
969 for (int i = 0; i < qual_count; i++) |
|
|
970 { |
|
|
971 if (i > 0) |
|
|
972 os << ":"; |
|
|
973 |
|
|
974 if (x[i]) |
|
|
975 x[i]->accept (*this); |
|
|
976 } |
|
|
977 } |
|
|
978 else |
|
|
979 { |
|
|
980 tree_expression *scanf_fmt = cmd.scanf_format (); |
|
|
981 |
|
|
982 if (scanf_fmt) |
|
|
983 scanf_fmt->accept (*this); |
|
|
984 } |
|
|
985 } |
|
|
986 |
|
|
987 void |
|
|
988 tree_print_code::visit_try_catch_command (tree_try_catch_command& cmd) |
|
|
989 { |
|
|
990 indent (); |
|
|
991 |
|
|
992 os << "try_catch"; |
|
|
993 |
|
|
994 newline (); |
|
|
995 |
|
|
996 tree_statement_list *try_code = cmd.body (); |
|
|
997 |
|
|
998 if (try_code) |
|
|
999 { |
|
|
1000 increment_indent_level (); |
|
|
1001 try_code->accept (*this); |
|
|
1002 decrement_indent_level (); |
|
|
1003 } |
|
|
1004 |
|
|
1005 indent (); |
|
|
1006 |
|
|
1007 os << "catch"; |
|
|
1008 |
|
|
1009 newline (); |
|
|
1010 |
|
|
1011 tree_statement_list *catch_code = cmd.cleanup (); |
|
|
1012 |
|
|
1013 if (catch_code) |
|
|
1014 { |
|
|
1015 increment_indent_level (); |
|
|
1016 catch_code->accept (*this); |
|
|
1017 decrement_indent_level (); |
|
|
1018 } |
|
|
1019 |
|
|
1020 indent (); |
|
|
1021 |
|
|
1022 os << "end_try_catch"; |
|
|
1023 } |
|
|
1024 |
|
|
1025 void |
|
|
1026 tree_print_code::visit_unary_expression (tree_unary_expression& expr) |
|
|
1027 { |
|
|
1028 indent (); |
|
|
1029 |
|
|
1030 bool in_parens = expr.is_in_parens (); |
|
|
1031 |
|
|
1032 if (in_parens) |
|
|
1033 os << "("; |
|
|
1034 |
|
|
1035 tree_expression *op = expr.operand (); |
|
|
1036 |
|
|
1037 tree_expression::type etype = expr.expression_type (); |
|
|
1038 |
|
|
1039 switch (etype) |
|
|
1040 { |
|
|
1041 case tree_expression::hermitian: |
|
|
1042 case tree_expression::transpose: |
|
|
1043 if (op) |
|
|
1044 op->accept (*this); |
|
|
1045 os << expr.oper (); |
|
|
1046 break; |
|
|
1047 |
|
|
1048 case tree_expression::not: |
|
|
1049 case tree_expression::uminus: |
|
|
1050 default: |
|
|
1051 os << expr.oper (); |
|
|
1052 if (op) |
|
|
1053 op->accept (*this); |
|
|
1054 break; |
|
|
1055 } |
|
|
1056 |
|
|
1057 if (in_parens) |
|
|
1058 os << ")"; |
|
|
1059 } |
|
|
1060 |
|
|
1061 void |
|
|
1062 tree_print_code::visit_unwind_protect_command |
|
|
1063 (tree_unwind_protect_command& cmd) |
|
|
1064 { |
|
|
1065 indent (); |
|
|
1066 |
|
|
1067 os << "unwind_protect"; |
|
|
1068 |
|
|
1069 newline (); |
|
|
1070 |
|
|
1071 tree_statement_list *unwind_protect_code = cmd.body (); |
|
|
1072 |
|
|
1073 if (unwind_protect_code) |
|
|
1074 { |
|
|
1075 increment_indent_level (); |
|
|
1076 unwind_protect_code->accept (*this); |
|
|
1077 decrement_indent_level (); |
|
|
1078 } |
|
|
1079 |
|
|
1080 indent (); |
|
|
1081 |
|
|
1082 os << "cleanup_code"; |
|
|
1083 |
|
|
1084 newline (); |
|
|
1085 |
|
|
1086 tree_statement_list *cleanup_code = cmd.cleanup (); |
|
|
1087 |
|
|
1088 if (cleanup_code) |
|
|
1089 { |
|
|
1090 increment_indent_level (); |
|
|
1091 cleanup_code->accept (*this); |
|
|
1092 decrement_indent_level (); |
|
|
1093 } |
|
|
1094 |
|
|
1095 indent (); |
|
|
1096 |
|
|
1097 os << "end_unwind_protect"; |
|
|
1098 } |
|
|
1099 |
|
|
1100 void |
|
|
1101 tree_print_code::visit_while_command (tree_while_command& cmd) |
|
|
1102 { |
|
|
1103 indent (); |
|
|
1104 |
|
|
1105 os << "while "; |
|
|
1106 |
|
|
1107 tree_expression *expr = cmd.condition (); |
|
|
1108 |
|
|
1109 if (expr) |
|
|
1110 expr->accept (*this); |
|
|
1111 |
|
|
1112 newline (); |
|
|
1113 |
|
|
1114 tree_statement_list *list = cmd.body (); |
|
|
1115 |
|
|
1116 if (list) |
|
|
1117 { |
|
|
1118 increment_indent_level (); |
|
|
1119 list->accept (*this); |
|
|
1120 decrement_indent_level (); |
|
|
1121 } |
|
|
1122 |
|
|
1123 indent (); |
|
|
1124 |
|
|
1125 os << "endwhile"; |
|
|
1126 } |
|
|
1127 |
|
|
1128 // Current indentation. |
|
|
1129 int tree_print_code::curr_print_indent_level = 0; |
|
|
1130 |
|
|
1131 // Nonzero means we are at the beginning of a line. |
|
|
1132 bool tree_print_code::beginning_of_line = true; |
|
|
1133 |
|
|
1134 // Each print_code() function should call this before printing |
|
|
1135 // anything. |
|
|
1136 // |
|
|
1137 // This doesn't need to be fast, but isn't there a better way? |
|
|
1138 |
|
|
1139 void |
|
|
1140 tree_print_code::indent (void) |
|
|
1141 { |
|
|
1142 assert (curr_print_indent_level >= 0); |
|
|
1143 |
|
|
1144 if (beginning_of_line) |
|
|
1145 { |
|
|
1146 os.form ("%s%*s", user_pref.ps4.c_str (), curr_print_indent_level, ""); |
|
|
1147 beginning_of_line = false; |
|
|
1148 } |
|
|
1149 } |
|
|
1150 |
|
|
1151 // All print_code() functions should use this to print new lines. |
|
|
1152 |
|
|
1153 void |
|
|
1154 tree_print_code::newline (void) |
|
|
1155 { |
|
|
1156 os << "\n"; |
|
|
1157 |
|
|
1158 beginning_of_line = true; |
|
|
1159 } |
|
|
1160 |
|
|
1161 // For ressetting print_code state. |
|
|
1162 |
|
|
1163 void |
|
|
1164 tree_print_code::reset (void) |
|
|
1165 { |
|
|
1166 beginning_of_line = true; |
|
|
1167 curr_print_indent_level = 0; |
|
|
1168 } |
|
|
1169 |
|
|
1170 /* |
|
|
1171 ;;; Local Variables: *** |
|
|
1172 ;;; mode: C++ *** |
|
|
1173 ;;; End: *** |
|
|
1174 */ |
