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