git.ozlabs.org Git - petitboot/blob - discover/grub2/grub2.h

   1 #ifndef GRUB2_H
   2 #define GRUB2_H
   3
   4 #include <stdbool.h>
   5 #include <list/list.h>
   6
   7 struct grub2_parser;
   8
   9 struct grub2_word {
  10         const char              *text;
  11         bool                    expand;
  12         bool                    split;
  13         struct grub2_word       *next;
  14         struct list_item        argv_list;
  15 };
  16
  17 struct grub2_argv {
  18         struct list             words;
  19 };
  20
  21 struct grub2_statement_simple {
  22         struct grub2_argv       *argv;
  23 };
  24
  25 struct grub2_statement_menuentry {
  26         struct grub2_argv       *argv;
  27         struct grub2_statements *statements;
  28 };
  29
  30 struct grub2_statement_if {
  31         struct grub2_statement  *condition;
  32         struct grub2_statements *true_case;
  33         struct grub2_statements *false_case;
  34 };
  35
  36 struct grub2_statement_block {
  37         struct grub2_statements *statements;
  38 };
  39
  40 struct grub2_statement {
  41         struct list_item        list;
  42         enum {
  43                 STMT_TYPE_SIMPLE,
  44                 STMT_TYPE_MENUENTRY,
  45                 STMT_TYPE_IF,
  46                 STMT_TYPE_BLOCK,
  47         } type;
  48         union {
  49                 struct grub2_statement_simple           simple;
  50                 struct grub2_statement_menuentry        menuentry;
  51                 struct grub2_statement_if               ifstmt;
  52                 struct grub2_statement_block            block;
  53         };
  54 };
  55
  56 struct grub2_statements {
  57         struct list             list;
  58 };
  59
  60 struct grub2_parser {
  61         void                    *scanner;
  62         struct grub2_statements *statements;
  63 };
  64
  65 struct grub2_statements *create_statements(struct grub2_parser *parser);
  66
  67 struct grub2_statement *create_statement_simple(struct grub2_parser *parser,
  68                 struct grub2_argv *argv);
  69
  70 struct grub2_statement *create_statement_menuentry(struct grub2_parser *parser,
  71                 struct grub2_argv *argv, struct grub2_statements *stmts);
  72
  73 struct grub2_statement *create_statement_if(struct grub2_parser *parser,
  74                 struct grub2_statement *condition,
  75                 struct grub2_statements *true_case,
  76                 struct grub2_statements *false_case);
  77
  78 struct grub2_statement *create_statement_block(struct grub2_parser *parser,
  79                 struct grub2_statements *stmts);
  80
  81 struct grub2_word *create_word(struct grub2_parser *parser, const char *text,
  82                 bool expand, bool split);
  83
  84 struct grub2_argv *create_argv(struct grub2_parser *parser);
  85
  86 void statement_append(struct grub2_statements *stmts,
  87                 struct grub2_statement *stmt);
  88
  89 void argv_append(struct grub2_argv *argv, struct grub2_word *word);
  90
  91 void word_append(struct grub2_word *w1, struct grub2_word *w2);
  92
  93 #endif /* GRUB2_H */
  94