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1 /* Various declarations for the C and C++ pretty-printers.
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2 Copyright (C) 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
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3 Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>
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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 it under
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8 the terms of the GNU General Public License as published by the Free
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9 Software Foundation; either version 3, or (at your option) any later
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10 version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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13 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 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 #ifndef GCC_C_PRETTY_PRINTER
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22 #define GCC_C_PRETTY_PRINTER
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23
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24 #include "tree.h"
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25 #include "c-common.h"
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26 #include "pretty-print.h"
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27
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28
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29 typedef enum
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30 {
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31 pp_c_flag_abstract = 1 << 1,
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32 pp_c_flag_last_bit = 2
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33 } pp_c_pretty_print_flags;
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34
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35
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36 /* The data type used to bundle information necessary for pretty-printing
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37 a C or C++ entity. */
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38 typedef struct c_pretty_print_info c_pretty_printer;
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39
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40 /* The type of a C pretty-printer 'member' function. */
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41 typedef void (*c_pretty_print_fn) (c_pretty_printer *, tree);
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42
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43 /* The datatype that contains information necessary for pretty-printing
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44 a tree that represents a C construct. Any pretty-printer for a
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45 language using C/c++ syntax can derive from this datatype and reuse
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46 facilities provided here. It can do so by having a subobject of type
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47 c_pretty_printer and override the macro pp_c_base to return a pointer
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48 to that subobject. Such a pretty-printer has the responsibility to
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49 initialize the pp_base() part, then call pp_c_pretty_printer_init
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50 to set up the components that are specific to the C pretty-printer.
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51 A derived pretty-printer can override any function listed in the
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52 vtable below. See cp/cxx-pretty-print.h and cp/cxx-pretty-print.c
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53 for an example of derivation. */
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54 struct c_pretty_print_info
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55 {
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56 pretty_printer base;
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57 /* Points to the first element of an array of offset-list.
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58 Not used yet. */
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59 int *offset_list;
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60
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61 pp_flags flags;
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62
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63 /* These must be overridden by each of the C and C++ front-end to
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64 reflect their understanding of syntactic productions when they differ. */
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65 c_pretty_print_fn declaration;
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66 c_pretty_print_fn declaration_specifiers;
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67 c_pretty_print_fn declarator;
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68 c_pretty_print_fn abstract_declarator;
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69 c_pretty_print_fn direct_abstract_declarator;
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70 c_pretty_print_fn type_specifier_seq;
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71 c_pretty_print_fn direct_declarator;
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72 c_pretty_print_fn ptr_operator;
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73 c_pretty_print_fn parameter_list;
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74 c_pretty_print_fn type_id;
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75 c_pretty_print_fn simple_type_specifier;
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76 c_pretty_print_fn function_specifier;
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77 c_pretty_print_fn storage_class_specifier;
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78 c_pretty_print_fn initializer;
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79
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80 c_pretty_print_fn statement;
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81
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82 c_pretty_print_fn constant;
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83 c_pretty_print_fn id_expression;
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84 c_pretty_print_fn primary_expression;
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85 c_pretty_print_fn postfix_expression;
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86 c_pretty_print_fn unary_expression;
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87 c_pretty_print_fn multiplicative_expression;
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88 c_pretty_print_fn conditional_expression;
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89 c_pretty_print_fn assignment_expression;
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90 c_pretty_print_fn expression;
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91 };
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92
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93 /* Override the pp_base macro. Derived pretty-printers should not
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94 touch this macro. Instead they should override pp_c_base instead. */
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95 #undef pp_base
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96 #define pp_base(PP) (&pp_c_base (PP)->base)
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97
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98
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99 #define pp_c_tree_identifier(PPI, ID) \
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100 pp_c_identifier (PPI, IDENTIFIER_POINTER (ID))
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101
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102 #define pp_declaration(PPI, T) \
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103 pp_c_base (PPI)->declaration (pp_c_base (PPI), T)
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104 #define pp_declaration_specifiers(PPI, D) \
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105 pp_c_base (PPI)->declaration_specifiers (pp_c_base (PPI), D)
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106 #define pp_abstract_declarator(PP, D) \
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107 pp_c_base (PP)->abstract_declarator (pp_c_base (PP), D)
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108 #define pp_type_specifier_seq(PPI, D) \
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109 pp_c_base (PPI)->type_specifier_seq (pp_c_base (PPI), D)
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110 #define pp_declarator(PPI, D) \
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111 pp_c_base (PPI)->declarator (pp_c_base (PPI), D)
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112 #define pp_direct_declarator(PPI, D) \
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113 pp_c_base (PPI)->direct_declarator (pp_c_base (PPI), D)
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114 #define pp_direct_abstract_declarator(PP, D) \
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115 pp_c_base (PP)->direct_abstract_declarator (pp_c_base (PP), D)
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116 #define pp_ptr_operator(PP, D) \
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117 pp_c_base (PP)->ptr_operator (pp_c_base (PP), D)
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118 #define pp_parameter_list(PPI, T) \
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119 pp_c_base (PPI)->parameter_list (pp_c_base (PPI), T)
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120 #define pp_type_id(PPI, D) \
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121 pp_c_base (PPI)->type_id (pp_c_base (PPI), D)
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122 #define pp_simple_type_specifier(PP, T) \
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123 pp_c_base (PP)->simple_type_specifier (pp_c_base (PP), T)
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124 #define pp_function_specifier(PP, D) \
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125 pp_c_base (PP)->function_specifier (pp_c_base (PP), D)
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126 #define pp_storage_class_specifier(PP, D) \
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127 pp_c_base (PP)->storage_class_specifier (pp_c_base (PP), D);
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128
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129 #define pp_statement(PPI, S) \
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130 pp_c_base (PPI)->statement (pp_c_base (PPI), S)
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131
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132 #define pp_constant(PP, E) \
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133 pp_c_base (PP)->constant (pp_c_base (PP), E)
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134 #define pp_id_expression(PP, E) \
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135 pp_c_base (PP)->id_expression (pp_c_base (PP), E)
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136 #define pp_primary_expression(PPI, E) \
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137 pp_c_base (PPI)->primary_expression (pp_c_base (PPI), E)
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138 #define pp_postfix_expression(PPI, E) \
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139 pp_c_base (PPI)->postfix_expression (pp_c_base (PPI), E)
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140 #define pp_unary_expression(PPI, E) \
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141 pp_c_base (PPI)->unary_expression (pp_c_base (PPI), E)
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142 #define pp_initializer(PPI, E) \
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143 pp_c_base (PPI)->initializer (pp_c_base (PPI), E)
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144 #define pp_multiplicative_expression(PPI, E) \
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145 pp_c_base (PPI)->multiplicative_expression (pp_c_base (PPI), E)
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146 #define pp_conditional_expression(PPI, E) \
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147 pp_c_base (PPI)->conditional_expression (pp_c_base (PPI), E)
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148 #define pp_assignment_expression(PPI, E) \
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149 pp_c_base (PPI)->assignment_expression (pp_c_base (PPI), E)
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150 #define pp_expression(PP, E) \
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151 pp_c_base (PP)->expression (pp_c_base (PP), E)
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152
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153
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154 /* Returns the c_pretty_printer base object of PRETTY-PRINTER. This
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155 macro must be overridden by any subclass of c_pretty_print_info. */
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156 #define pp_c_base(PP) (PP)
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157
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158 extern void pp_c_pretty_printer_init (c_pretty_printer *);
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159 void pp_c_whitespace (c_pretty_printer *);
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160 void pp_c_left_paren (c_pretty_printer *);
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161 void pp_c_right_paren (c_pretty_printer *);
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162 void pp_c_left_brace (c_pretty_printer *);
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163 void pp_c_right_brace (c_pretty_printer *);
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164 void pp_c_left_bracket (c_pretty_printer *);
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165 void pp_c_right_bracket (c_pretty_printer *);
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166 void pp_c_dot (c_pretty_printer *);
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167 void pp_c_ampersand (c_pretty_printer *);
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168 void pp_c_star (c_pretty_printer *);
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169 void pp_c_arrow (c_pretty_printer *);
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170 void pp_c_semicolon (c_pretty_printer *);
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171 void pp_c_complement (c_pretty_printer *);
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172 void pp_c_exclamation (c_pretty_printer *);
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173 void pp_c_space_for_pointer_operator (c_pretty_printer *, tree);
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174
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175 /* Declarations. */
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176 void pp_c_tree_decl_identifier (c_pretty_printer *, tree);
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177 void pp_c_function_definition (c_pretty_printer *, tree);
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178 void pp_c_attributes (c_pretty_printer *, tree);
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179 void pp_c_type_qualifier_list (c_pretty_printer *, tree);
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180 void pp_c_parameter_type_list (c_pretty_printer *, tree);
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181 void pp_c_declaration (c_pretty_printer *, tree);
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182 void pp_c_declaration_specifiers (c_pretty_printer *, tree);
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183 void pp_c_declarator (c_pretty_printer *, tree);
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184 void pp_c_direct_declarator (c_pretty_printer *, tree);
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185 void pp_c_specifier_qualifier_list (c_pretty_printer *, tree);
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186 void pp_c_function_specifier (c_pretty_printer *, tree);
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187 void pp_c_type_id (c_pretty_printer *, tree);
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188 void pp_c_direct_abstract_declarator (c_pretty_printer *, tree);
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189 void pp_c_type_specifier (c_pretty_printer *, tree);
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190 void pp_c_storage_class_specifier (c_pretty_printer *, tree);
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191 /* Statements. */
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192 void pp_c_statement (c_pretty_printer *, tree);
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193 /* Expressions. */
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194 void pp_c_expression (c_pretty_printer *, tree);
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195 void pp_c_logical_or_expression (c_pretty_printer *, tree);
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196 void pp_c_expression_list (c_pretty_printer *, tree);
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197 void pp_c_constructor_elts (c_pretty_printer *, VEC(constructor_elt,gc) *);
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198 void pp_c_call_argument_list (c_pretty_printer *, tree);
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199 void pp_c_unary_expression (c_pretty_printer *, tree);
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200 void pp_c_cast_expression (c_pretty_printer *, tree);
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201 void pp_c_postfix_expression (c_pretty_printer *, tree);
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202 void pp_c_primary_expression (c_pretty_printer *, tree);
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203 void pp_c_init_declarator (c_pretty_printer *, tree);
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204 void pp_c_constant (c_pretty_printer *, tree);
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205 void pp_c_id_expression (c_pretty_printer *, tree);
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206 void pp_c_identifier (c_pretty_printer *, const char *);
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207 void pp_c_string_literal (c_pretty_printer *, tree);
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208
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209 void print_c_tree (FILE *file, tree t);
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210
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211 #endif /* GCC_C_PRETTY_PRINTER */
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