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111
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1 /* Prints out trees in human readable form.
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2 Copyright (C) 1992-2017 Free Software Foundation, Inc.
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3 Hacked by Michael Tiemann (tiemann@cygnus.com)
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License 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 GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21
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22 #include "config.h"
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23 #include "system.h"
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24 #include "coretypes.h"
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25 #include "cp-tree.h"
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26 #include "print-tree.h"
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27
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28 void
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29 cxx_print_decl (FILE *file, tree node, int indent)
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30 {
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31 if (TREE_CODE (node) == FIELD_DECL)
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32 {
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33 if (DECL_MUTABLE_P (node))
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34 {
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35 indent_to (file, indent + 3);
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36 fprintf (file, " mutable ");
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37 }
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38 return;
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39 }
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40
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41 if (!CODE_CONTAINS_STRUCT (TREE_CODE (node), TS_DECL_COMMON)
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42 || !DECL_LANG_SPECIFIC (node))
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43 return;
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44 if (TREE_CODE (node) == FUNCTION_DECL)
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45 {
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46 int flags = TFF_DECL_SPECIFIERS|TFF_RETURN_TYPE
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47 |TFF_FUNCTION_DEFAULT_ARGUMENTS|TFF_EXCEPTION_SPECIFICATION ;
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48 indent_to (file, indent + 3);
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49 fprintf (file, " full-name \"%s\"", decl_as_string (node, flags));
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50 }
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51 else if (TREE_CODE (node) == TEMPLATE_DECL)
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52 {
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53 print_node (file, "parms", DECL_TEMPLATE_PARMS (node), indent + 4);
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54 indent_to (file, indent + 3);
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55 fprintf (file, " full-name \"%s\"",
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56 decl_as_string (node, TFF_TEMPLATE_HEADER));
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57 }
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58
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59 indent_to (file, indent + 3);
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60 if (DECL_EXTERNAL (node) && DECL_NOT_REALLY_EXTERN (node))
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61 fprintf (file, " not-really-extern");
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62 if (TREE_CODE (node) == FUNCTION_DECL
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63 && DECL_PENDING_INLINE_INFO (node))
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64 fprintf (file, " pending-inline-info %p",
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65 (void *) DECL_PENDING_INLINE_INFO (node));
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66 if (VAR_OR_FUNCTION_DECL_P (node)
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67 && DECL_TEMPLATE_INFO (node))
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68 fprintf (file, " template-info %p",
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69 (void *) DECL_TEMPLATE_INFO (node));
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70 }
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71
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72 void
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73 cxx_print_type (FILE *file, tree node, int indent)
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74 {
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75 switch (TREE_CODE (node))
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76 {
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77 case BOUND_TEMPLATE_TEMPLATE_PARM:
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78 print_node (file, "args", TYPE_TI_ARGS (node), indent + 4);
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79 gcc_fallthrough ();
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80
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81 case TEMPLATE_TYPE_PARM:
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82 case TEMPLATE_TEMPLATE_PARM:
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83 indent_to (file, indent + 3);
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84 fprintf (file, "index %d level %d orig_level %d",
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85 TEMPLATE_TYPE_IDX (node), TEMPLATE_TYPE_LEVEL (node),
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86 TEMPLATE_TYPE_ORIG_LEVEL (node));
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87 return;
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88
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89 case FUNCTION_TYPE:
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90 case METHOD_TYPE:
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91 if (TYPE_RAISES_EXCEPTIONS (node))
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92 print_node (file, "throws", TYPE_RAISES_EXCEPTIONS (node), indent + 4);
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93 return;
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94
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95 case RECORD_TYPE:
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96 case UNION_TYPE:
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97 break;
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98
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99 case DECLTYPE_TYPE:
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100 print_node (file, "expr", DECLTYPE_TYPE_EXPR (node), indent + 4);
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101 return;
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102
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103 case TYPENAME_TYPE:
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104 print_node (file, "fullname", TYPENAME_TYPE_FULLNAME (node),
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105 indent + 4);
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106 return;
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107
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108 case TYPE_PACK_EXPANSION:
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109 print_node (file, "args", PACK_EXPANSION_EXTRA_ARGS (node), indent + 4);
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110 return;
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111
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112 default:
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113 return;
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114 }
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115
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116 if (TYPE_PTRMEMFUNC_P (node))
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117 print_node (file, "ptrmemfunc fn type", TYPE_PTRMEMFUNC_FN_TYPE (node),
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118 indent + 4);
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119
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120 if (! CLASS_TYPE_P (node))
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121 return;
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122
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123 indent_to (file, indent + 4);
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124 fprintf (file, "full-name \"%s\"",
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125 type_as_string (node, TFF_CLASS_KEY_OR_ENUM));
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126
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127 indent_to (file, indent + 3);
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128
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129 if (TYPE_NEEDS_CONSTRUCTING (node))
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130 fputs ( " needs-constructor", file);
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131 if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (node))
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132 fputs (" needs-destructor", file);
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133 if (TYPE_HAS_DEFAULT_CONSTRUCTOR (node))
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134 fputs (" X()", file);
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135 if (TYPE_HAS_CONVERSION (node))
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136 fputs (" has-type-conversion", file);
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137 if (TYPE_HAS_COPY_CTOR (node))
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138 {
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139 if (TYPE_HAS_CONST_COPY_CTOR (node))
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140 fputs (" X(constX&)", file);
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141 else
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142 fputs (" X(X&)", file);
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143 }
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144 if (TYPE_HAS_NEW_OPERATOR (node))
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145 fputs (" new", file);
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146 if (TYPE_HAS_ARRAY_NEW_OPERATOR (node))
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147 fputs (" new[]", file);
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148 if (TYPE_GETS_DELETE (node) & 1)
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149 fputs (" delete", file);
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150 if (TYPE_GETS_DELETE (node) & 2)
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151 fputs (" delete[]", file);
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152 if (TYPE_HAS_COPY_ASSIGN (node))
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153 fputs (" this=(X&)", file);
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154
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155 if (TREE_CODE (node) == RECORD_TYPE)
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156 {
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157 if (TYPE_BINFO (node))
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158 fprintf (file, " n_parents=%d",
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159 BINFO_N_BASE_BINFOS (TYPE_BINFO (node)));
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160 else
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161 fprintf (file, " no-binfo");
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162
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163 fprintf (file, " use_template=%d", CLASSTYPE_USE_TEMPLATE (node));
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164 if (CLASSTYPE_INTERFACE_ONLY (node))
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165 fprintf (file, " interface-only");
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166 if (CLASSTYPE_INTERFACE_UNKNOWN (node))
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167 fprintf (file, " interface-unknown");
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168 }
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169 }
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170
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171 void
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172 cxx_print_identifier (FILE *file, tree node, int indent)
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173 {
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174 if (indent == 0)
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175 fprintf (file, " ");
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176 else
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177 indent_to (file, indent + 4);
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178 fprintf (file, "%s local bindings <%p>", get_identifier_kind_name (node),
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179 (void *) IDENTIFIER_BINDING (node));
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180 }
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181
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182 void
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183 cxx_print_lambda_node (FILE *file, tree node, int indent)
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184 {
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185 if (LAMBDA_EXPR_MUTABLE_P (node))
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186 fprintf (file, " /mutable");
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187 fprintf (file, " default_capture_mode=[");
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188 switch (LAMBDA_EXPR_DEFAULT_CAPTURE_MODE (node))
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189 {
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190 case CPLD_NONE:
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191 fprintf (file, "NONE");
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192 break;
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193 case CPLD_COPY:
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194 fprintf (file, "COPY");
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195 break;
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196 case CPLD_REFERENCE:
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197 fprintf (file, "CPLD_REFERENCE");
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198 break;
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199 default:
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200 fprintf (file, "??");
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201 break;
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202 }
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203 fprintf (file, "] ");
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204 print_node (file, "capture_list", LAMBDA_EXPR_CAPTURE_LIST (node), indent + 4);
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205 print_node (file, "this_capture", LAMBDA_EXPR_THIS_CAPTURE (node), indent + 4);
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206 }
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207
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208 void
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209 cxx_print_xnode (FILE *file, tree node, int indent)
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210 {
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211 switch (TREE_CODE (node))
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212 {
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213 case BASELINK:
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214 print_node (file, "functions", BASELINK_FUNCTIONS (node), indent + 4);
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215 print_node (file, "binfo", BASELINK_BINFO (node), indent + 4);
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216 print_node (file, "access_binfo", BASELINK_ACCESS_BINFO (node),
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217 indent + 4);
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218 break;
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219 case OVERLOAD:
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220 print_node (file, "function", OVL_FUNCTION (node), indent+4);
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221 print_node (file, "next", OVL_CHAIN (node), indent+4);
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222 break;
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223 case TEMPLATE_PARM_INDEX:
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224 print_node (file, "decl", TEMPLATE_PARM_DECL (node), indent+4);
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225 indent_to (file, indent + 3);
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226 fprintf (file, "index %d level %d orig_level %d",
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227 TEMPLATE_PARM_IDX (node), TEMPLATE_PARM_LEVEL (node),
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228 TEMPLATE_PARM_ORIG_LEVEL (node));
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229 break;
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230 case TEMPLATE_INFO:
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231 print_node (file, "template", TI_TEMPLATE (node), indent+4);
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232 print_node (file, "args", TI_ARGS (node), indent+4);
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233 if (TI_PENDING_TEMPLATE_FLAG (node))
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234 {
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235 indent_to (file, indent + 3);
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236 fprintf (file, "pending_template");
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237 }
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238 break;
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239 case CONSTRAINT_INFO:
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240 {
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241 tree_constraint_info *cinfo = (tree_constraint_info *)node;
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242 if (cinfo->template_reqs)
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243 print_node (file, "template_reqs", cinfo->template_reqs, indent+4);
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244 if (cinfo->declarator_reqs)
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245 print_node (file, "declarator_reqs", cinfo->declarator_reqs,
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246 indent+4);
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247 print_node (file, "associated_constr",
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248 cinfo->associated_constr, indent+4);
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249 break;
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250 }
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251 case ARGUMENT_PACK_SELECT:
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252 print_node (file, "pack", ARGUMENT_PACK_SELECT_FROM_PACK (node),
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253 indent+4);
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254 indent_to (file, indent + 3);
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255 fprintf (file, "index %d", ARGUMENT_PACK_SELECT_INDEX (node));
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256 break;
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257 case DEFERRED_NOEXCEPT:
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258 print_node (file, "pattern", DEFERRED_NOEXCEPT_PATTERN (node), indent+4);
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259 print_node (file, "args", DEFERRED_NOEXCEPT_ARGS (node), indent+4);
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260 break;
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261 case TRAIT_EXPR:
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262 indent_to (file, indent+4);
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263 fprintf (file, "kind %d", TRAIT_EXPR_KIND (node));
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264 print_node (file, "type 1", TRAIT_EXPR_TYPE1 (node), indent+4);
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265 if (TRAIT_EXPR_TYPE2 (node))
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266 print_node (file, "type 2", TRAIT_EXPR_TYPE2 (node), indent+4);
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267 break;
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268 case LAMBDA_EXPR:
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269 cxx_print_lambda_node (file, node, indent);
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270 break;
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271 default:
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272 break;
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273 }
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274 }
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275
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276 /* Print the node NODE on standard error, for debugging. */
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277
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278 DEBUG_FUNCTION void
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279 debug_tree (cp_expr node)
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280 {
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281 debug_tree (node.get_value());
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282 }
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