#ifndef PARSE_H #define PARSE_H /* * Basic parsing data structures. Statements and symbols. * * Copyright (C) 2003 Transmeta Corp. * 2003 Linus Torvalds * * Licensed under the Open Software License version 1.1 */ #include "symbol.h" enum statement_type { STMT_NONE, STMT_EXPRESSION, STMT_COMPOUND, STMT_IF, STMT_RETURN, STMT_CASE, STMT_SWITCH, STMT_ITERATOR, STMT_LABEL, STMT_GOTO, STMT_ASM, STMT_INTERNAL, }; struct statement { enum statement_type type; struct position pos; union { struct /* label_arg */ { struct symbol *label; struct statement *label_statement; }; struct expression *expression; struct /* return_statement */ { struct expression *ret_value; struct symbol *ret_target; }; struct /* if_statement */ { struct expression *if_conditional; struct statement *if_true; struct statement *if_false; }; struct /* compound_struct */ { struct symbol_list *syms; struct statement_list *stmts; struct symbol *ret; }; struct /* labeled_struct */ { struct symbol *label_identifier; struct statement *label_statement; }; struct /* case_struct */ { struct expression *case_expression; struct expression *case_to; struct statement *case_statement; struct symbol *case_label; }; struct /* switch_struct */ { struct expression *switch_expression; struct statement *switch_statement; struct symbol *switch_break, *switch_case; }; struct /* iterator_struct */ { struct symbol *iterator_break; struct symbol *iterator_continue; struct symbol_list *iterator_syms; struct statement *iterator_pre_statement; struct expression *iterator_pre_condition; struct statement *iterator_statement; struct statement *iterator_post_statement; struct expression *iterator_post_condition; }; struct /* goto_struct */ { struct symbol *goto_label; /* computed gotos have these: */ struct expression *goto_expression; struct symbol_list *target_list; }; struct /* goto_bb */ { struct expression *bb_conditional; struct symbol *bb_target; }; struct /* multijmp */ { struct expression *multi_from; struct expression *multi_to; struct symbol *multi_target; }; }; }; extern struct symbol_list *function_computed_target_list; extern struct statement_list *function_computed_goto_list; extern struct token *parse_expression(struct token *, struct expression **); extern struct symbol *label_symbol(struct token *token); extern int show_statement(struct statement *); extern void show_statement_list(struct statement_list *, const char *); extern int show_expression(struct expression *); extern struct symbol_list *translation_unit(struct token *); extern struct symbol *ctype_integer(unsigned long spec); extern struct symbol *ctype_fp(unsigned long spec); extern void copy_statement(struct statement *src, struct statement *dst); extern int inline_function(struct expression *expr, struct symbol *sym); extern void uninline(struct symbol *sym); #endif /* PARSE_H */