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   1 /*
   2  * This file is part of cparser.
   3  * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  18  * 02111-1307, USA.
  19  */
  20 #ifndef AST_H
  21 #define AST_H
  22
  23 #include <stdio.h>
  24 #include <stdbool.h>
  25
  26 typedef struct scope_t                          scope_t;
  27
  28 typedef struct expression_base_t                expression_base_t;
  29 typedef struct const_expression_t               const_expression_t;
  30 typedef struct string_literal_expression_t      string_literal_expression_t;
  31 typedef struct funcname_expression_t            funcname_expression_t;
  32 typedef struct wide_string_literal_expression_t wide_string_literal_expression_t;
  33 typedef struct compound_literal_expression_t    compound_literal_expression_t;
  34 typedef struct reference_expression_t           reference_expression_t;
  35 typedef struct cast_expression_t                cast_expression_t;
  36 typedef struct call_argument_t                  call_argument_t;
  37 typedef struct type_argument_t                  type_argument_t;
  38 typedef struct call_expression_t                call_expression_t;
  39 typedef struct binary_expression_t              binary_expression_t;
  40 typedef struct unary_expression_t               unary_expression_t;
  41 typedef struct select_expression_t              select_expression_t;
  42 typedef struct array_access_expression_t        array_access_expression_t;
  43 typedef struct typeprop_expression_t            typeprop_expression_t;
  44 typedef struct conditional_expression_t         conditional_expression_t;
  45 typedef struct expression_list_element_t        expression_list_element_t;
  46 typedef struct comma_expression_t               comma_expression_t;
  47 typedef struct statement_expression_t           statement_expression_t;
  48 typedef struct designator_t                     designator_t;
  49 typedef struct offsetof_expression_t            offsetof_expression_t;
  50 typedef struct va_start_expression_t            va_start_expression_t;
  51 typedef struct va_arg_expression_t              va_arg_expression_t;
  52 typedef struct builtin_symbol_expression_t      builtin_symbol_expression_t;
  53 typedef struct builtin_constant_expression_t    builtin_constant_expression_t;
  54 typedef struct builtin_prefetch_expression_t    builtin_prefetch_expression_t;
  55 typedef struct classify_type_expression_t       classify_type_expression_t;
  56 typedef struct bitfield_extract_expression_t    bitfield_extract_expression_t;
  57 typedef union  expression_t                     expression_t;
  58
  59 typedef struct initializer_base_t           initializer_base_t;
  60 typedef struct initializer_list_t           initializer_list_t;
  61 typedef struct initializer_value_t          initializer_value_t;
  62 typedef struct initializer_string_t         initializer_string_t;
  63 typedef struct initializer_wide_string_t    initializer_wide_string_t;
  64 typedef struct initializer_designator_t     initializer_designator_t;
  65 typedef union  initializer_t                initializer_t;
  66
  67 typedef struct declaration_t                declaration_t;
  68
  69 typedef struct statement_base_t             statement_base_t;
  70 typedef struct invalid_statement_t          invalid_statement_t;
  71 typedef struct empty_statement_t            empty_statement_t;
  72 typedef struct compound_statement_t         compound_statement_t;
  73 typedef struct return_statement_t           return_statement_t;
  74 typedef struct if_statement_t               if_statement_t;
  75 typedef struct switch_statement_t           switch_statement_t;
  76 typedef struct declaration_statement_t      declaration_statement_t;
  77 typedef struct expression_statement_t       expression_statement_t;
  78 typedef struct goto_statement_t             goto_statement_t;
  79 typedef struct label_statement_t            label_statement_t;
  80 typedef struct case_label_statement_t       case_label_statement_t;
  81 typedef struct while_statement_t            while_statement_t;
  82 typedef struct do_while_statement_t         do_while_statement_t;
  83 typedef struct for_statement_t              for_statement_t;
  84 typedef struct asm_argument_t               asm_argument_t;
  85 typedef struct asm_clobber_t                asm_clobber_t;
  86 typedef struct asm_statement_t              asm_statement_t;
  87 typedef struct ms_try_statement_t           ms_try_statement_t;
  88 typedef struct leave_statement_t            leave_statement_t;
  89 typedef union  statement_t                  statement_t;
  90
  91 typedef struct translation_unit_t           translation_unit_t;
  92
  93 void  init_ast(void);
  94 void  exit_ast(void);
  95
  96 void  ast_set_output(FILE *out);
  97 void  print_expression(const expression_t *expression);
  98 void  print_initializer(const initializer_t *initializer);
  99 void  print_ast(const translation_unit_t *unit);
 100 void  print_indent(void);
 101 void  print_declaration(const declaration_t *declaration);
 102 void  change_indent(int delta);
 103 void *allocate_ast(size_t size);
 104
 105 /**
 106  * Returns true if a given expression is a compile time
 107  * constant.
 108  *
 109  * @param expression  the expression to check
 110  */
 111 bool is_constant_initializer(const initializer_t *initializer);
 112
 113 /**
 114  * Returns true if a given expression is a compile time
 115  * constant.
 116  *
 117  * @param expression  the expression to check
 118  */
 119 bool is_constant_expression(const expression_t *expression);
 120
 121 bool is_address_constant(const expression_t *expression);
 122
 123 long fold_constant(const expression_t *expression);
 124
 125 #endif