| /* Parser header |
| Copyright (C) 2003-2022 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. */ |
| enum gfc_compile_state |
| { |
| COMP_NONE, COMP_PROGRAM, COMP_MODULE, COMP_SUBMODULE, COMP_SUBROUTINE, |
| COMP_FUNCTION, COMP_BLOCK_DATA, COMP_INTERFACE, COMP_DERIVED, |
| COMP_DERIVED_CONTAINS, COMP_BLOCK, COMP_ASSOCIATE, COMP_IF, |
| COMP_STRUCTURE, COMP_UNION, COMP_MAP, |
| COMP_DO, COMP_SELECT, COMP_FORALL, COMP_WHERE, COMP_CONTAINS, COMP_ENUM, |
| COMP_SELECT_TYPE, COMP_SELECT_RANK, COMP_OMP_STRUCTURED_BLOCK, COMP_CRITICAL, |
| COMP_DO_CONCURRENT, COMP_OMP_STRICTLY_STRUCTURED_BLOCK |
| }; |
| |
| /* 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; |
| gfc_oacc_declare *oacc_declare_clauses; |
| } |
| 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) |
| #define gfc_comp_struct(s) \ |
| ((s) == COMP_DERIVED || (s) == COMP_STRUCTURE || (s) == COMP_MAP) |
| |
| int gfc_check_do_variable (gfc_symtree *); |
| bool gfc_find_state (gfc_compile_state); |
| gfc_state_data *gfc_enclosing_unit (gfc_compile_state *); |
| const char *gfc_ascii_statement (gfc_statement, bool strip_sentinel = false) ; |
| 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 *); |
| bool is_oacc (gfc_state_data *); |
| #endif /* GFC_PARSE_H */ |