| 1 | /* Parser header |
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| 2 | Copyright (C) 2003-2023 Free Software Foundation, Inc. |
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| 3 | Contributed by Steven Bosscher |
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| 4 | |
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| 5 | This file is part of GCC. |
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| 6 | |
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| 7 | GCC is free software; you can redistribute it and/or modify it under |
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| 8 | the terms of the GNU General Public License as published by the Free |
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| 9 | Software Foundation; either version 3, or (at your option) any later |
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| 10 | version. |
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| 11 | |
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| 12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 15 | for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU General Public License |
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| 18 | along with GCC; see the file COPYING3. If not see |
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| 19 | <http://www.gnu.org/licenses/>. */ |
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| 20 | |
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| 21 | |
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| 22 | #ifndef GFC_PARSE_H |
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| 23 | #define GFC_PARSE_H |
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| 24 | |
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| 25 | /* Enum for what the compiler is currently doing. */ |
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| 26 | enum gfc_compile_state |
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| 27 | { |
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| 28 | COMP_NONE, COMP_PROGRAM, COMP_MODULE, COMP_SUBMODULE, COMP_SUBROUTINE, |
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| 29 | COMP_FUNCTION, COMP_BLOCK_DATA, COMP_INTERFACE, COMP_DERIVED, |
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| 30 | COMP_DERIVED_CONTAINS, COMP_BLOCK, COMP_ASSOCIATE, COMP_IF, |
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| 31 | COMP_STRUCTURE, COMP_UNION, COMP_MAP, |
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| 32 | COMP_DO, COMP_SELECT, COMP_FORALL, COMP_WHERE, COMP_CONTAINS, COMP_ENUM, |
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| 33 | COMP_SELECT_TYPE, COMP_SELECT_RANK, COMP_OMP_STRUCTURED_BLOCK, COMP_CRITICAL, |
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| 34 | COMP_DO_CONCURRENT, COMP_OMP_STRICTLY_STRUCTURED_BLOCK |
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| 35 | }; |
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| 36 | |
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| 37 | /* Stack element for the current compilation state. These structures |
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| 38 | are allocated as automatic variables. */ |
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| 39 | typedef struct gfc_state_data |
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| 40 | { |
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| 41 | gfc_compile_state state; |
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| 42 | gfc_symbol *sym; /* Block name associated with this level */ |
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| 43 | gfc_symtree *do_variable; /* For DO blocks the iterator variable. */ |
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| 44 | |
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| 45 | struct gfc_code *construct; |
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| 46 | struct gfc_code *head, *tail; |
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| 47 | struct gfc_state_data *previous; |
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| 48 | |
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| 49 | /* Block-specific state data. */ |
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| 50 | union |
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| 51 | { |
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| 52 | gfc_st_label *end_do_label; |
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| 53 | gfc_oacc_declare *oacc_declare_clauses; |
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| 54 | } |
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| 55 | ext; |
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| 56 | } |
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| 57 | gfc_state_data; |
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| 58 | |
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| 59 | extern gfc_state_data *gfc_state_stack; |
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| 60 | |
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| 61 | #define gfc_current_block() (gfc_state_stack->sym) |
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| 62 | #define gfc_current_state() (gfc_state_stack->state) |
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| 63 | #define gfc_comp_struct(s) \ |
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| 64 | ((s) == COMP_DERIVED || (s) == COMP_STRUCTURE || (s) == COMP_MAP) |
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| 65 | |
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| 66 | bool gfc_check_do_variable (gfc_symtree *); |
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| 67 | bool gfc_find_state (gfc_compile_state); |
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| 68 | gfc_state_data *gfc_enclosing_unit (gfc_compile_state *); |
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| 69 | const char *gfc_ascii_statement (gfc_statement, bool strip_sentinel = false) ; |
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| 70 | match gfc_match_enum (void); |
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| 71 | match gfc_match_enumerator_def (void); |
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| 72 | void gfc_free_enum_history (void); |
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| 73 | extern bool gfc_matching_function; |
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| 74 | match gfc_match_prefix (gfc_typespec *); |
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| 75 | bool is_oacc (gfc_state_data *); |
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| 76 | #endif /* GFC_PARSE_H */ |
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| 77 | |
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