expression.h

   1 #ifndef EXPRESSION_H
   2 #define EXPRESSION_H
   3 /*
   4  * sparse/expression.h
   5  *
   6  * Copyright (C) 2003 Linus Torvalds, all rights reserved
   7  *
   8  * Declarations and helper functions for expression parsing.
   9  */
  10
  11 /* Expression parsing */
  12 struct token *parse_expression(struct token *token, struct expression **tree);
  13 struct token *conditional_expression(struct token *token, struct expression **tree);
  14 struct token *primary_expression(struct token *token, struct expression **tree);
  15 struct token *parens_expression(struct token *token, struct expression **expr, const char *where);
  16 struct token *assignment_expression(struct token *token, struct expression **tree);
  17
  18 static inline struct expression *alloc_expression(struct token *token, int type)
  19 {
  20         struct expression *expr = __alloc_expression(0);
  21         expr->type = type;
  22         expr->token = token;
  23         return expr;
  24 }
  25
  26 /* Type name parsing */
  27 struct token *typename(struct token *, struct symbol **);
  28
  29 static inline int lookup_type(struct token *token)
  30 {
  31         if (token->type == TOKEN_IDENT)
  32                 return lookup_symbol(token->ident, NS_TYPEDEF) != NULL;
  33         return 0;
  34 }
  35
  36 /* Statement parsing */
  37 struct statement *alloc_statement(struct token * token, int type);
  38 struct token *initializer(struct token *token, struct ctype *type);
  39 struct token *compound_statement(struct token *, struct statement *);
  40
  41 /* The preprocessor calls this 'constant_expression()' */
  42 #define constant_expression(token,tree) conditional_expression(token, tree)
  43
  44 #endif