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Diffstat (limited to 'gcc/fortran/parse.h')
-rw-r--r-- | gcc/fortran/parse.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gcc/fortran/parse.h b/gcc/fortran/parse.h new file mode 100644 index 000000000..b18056c1c --- /dev/null +++ b/gcc/fortran/parse.h @@ -0,0 +1,72 @@ +/* Parser header + Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 + Free Software Foundation, Inc. + Contributed by Steven Bosscher + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + + +#ifndef GFC_PARSE_H +#define GFC_PARSE_H + +/* Enum for what the compiler is currently doing. */ +typedef enum +{ + COMP_NONE, COMP_PROGRAM, COMP_MODULE, COMP_SUBROUTINE, COMP_FUNCTION, + COMP_BLOCK_DATA, COMP_INTERFACE, COMP_DERIVED, COMP_DERIVED_CONTAINS, + COMP_BLOCK, COMP_ASSOCIATE, COMP_IF, + COMP_DO, COMP_SELECT, COMP_FORALL, COMP_WHERE, COMP_CONTAINS, COMP_ENUM, + COMP_SELECT_TYPE, COMP_OMP_STRUCTURED_BLOCK, COMP_CRITICAL +} +gfc_compile_state; + +/* Stack element for the current compilation state. These structures + are allocated as automatic variables. */ +typedef struct gfc_state_data +{ + gfc_compile_state state; + gfc_symbol *sym; /* Block name associated with this level */ + gfc_symtree *do_variable; /* For DO blocks the iterator variable. */ + + struct gfc_code *construct; + struct gfc_code *head, *tail; + struct gfc_state_data *previous; + + /* Block-specific state data. */ + union + { + gfc_st_label *end_do_label; + } + ext; +} +gfc_state_data; + +extern gfc_state_data *gfc_state_stack; + +#define gfc_current_block() (gfc_state_stack->sym) +#define gfc_current_state() (gfc_state_stack->state) + +int gfc_check_do_variable (gfc_symtree *); +gfc_try gfc_find_state (gfc_compile_state); +gfc_state_data *gfc_enclosing_unit (gfc_compile_state *); +const char *gfc_ascii_statement (gfc_statement); +match gfc_match_enum (void); +match gfc_match_enumerator_def (void); +void gfc_free_enum_history (void); +extern bool gfc_matching_function; +match gfc_match_prefix (gfc_typespec *); +#endif /* GFC_PARSE_H */ |