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

   1 #ifndef GRUB2_H
   2 #define GRUB2_H
   3
   4 #include <regex.h>
   5 #include <stdbool.h>
   6 #include <list/list.h>
   7
   8 struct grub2_parser;
   9
  10 struct grub2_word {
  11         const char              *text;
  12         bool                    expand;
  13         bool                    split;
  14         struct grub2_word       *next;
  15         struct list_item        argv_list;
  16 };
  17
  18 struct grub2_argv {
  19         struct list             words;
  20 };
  21
  22 struct grub2_statements {
  23         struct list             list;
  24 };
  25
  26 struct grub2_statement {
  27         struct list_item        list;
  28         enum {
  29                 STMT_TYPE_SIMPLE,
  30                 STMT_TYPE_MENUENTRY,
  31                 STMT_TYPE_IF,
  32                 STMT_TYPE_BLOCK,
  33         } type;
  34 };
  35
  36 struct grub2_statement_simple {
  37         struct grub2_statement  st;
  38         struct grub2_argv       *argv;
  39 };
  40
  41 struct grub2_statement_menuentry {
  42         struct grub2_statement  st;
  43         struct grub2_argv       *argv;
  44         struct grub2_statements *statements;
  45 };
  46
  47 struct grub2_statement_if {
  48         struct grub2_statement  st;
  49         struct grub2_statement  *condition;
  50         struct grub2_statements *true_case;
  51         struct grub2_statements *false_case;
  52 };
  53
  54 struct grub2_statement_block {
  55         struct grub2_statement  st;
  56         struct grub2_statements *statements;
  57 };
  58
  59 struct grub2_script {
  60         struct grub2_statements *statements;
  61         struct list             environment;
  62         regex_t                 var_re;
  63 };
  64
  65 struct grub2_parser {
  66         void                    *scanner;
  67         struct grub2_script     *script;
  68 };
  69
  70 struct grub2_statements *create_statements(struct grub2_parser *parser);
  71
  72 struct grub2_statement *create_statement_simple(struct grub2_parser *parser,
  73                 struct grub2_argv *argv);
  74
  75 struct grub2_statement *create_statement_menuentry(struct grub2_parser *parser,
  76                 struct grub2_argv *argv, struct grub2_statements *stmts);
  77
  78 struct grub2_statement *create_statement_if(struct grub2_parser *parser,
  79                 struct grub2_statement *condition,
  80                 struct grub2_statements *true_case,
  81                 struct grub2_statements *false_case);
  82
  83 struct grub2_statement *create_statement_block(struct grub2_parser *parser,
  84                 struct grub2_statements *stmts);
  85
  86 struct grub2_word *create_word(struct grub2_parser *parser, const char *text,
  87                 bool expand, bool split);
  88
  89 struct grub2_argv *create_argv(struct grub2_parser *parser);
  90
  91 void statement_append(struct grub2_statements *stmts,
  92                 struct grub2_statement *stmt);
  93
  94 void argv_append(struct grub2_argv *argv, struct grub2_word *word);
  95
  96 void word_append(struct grub2_word *w1, struct grub2_word *w2);
  97
  98 /* script interface */
  99
 100 struct grub2_script *create_script(void *ctx);
 101
 102 #endif /* GRUB2_H */
 103