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36cf1f948e
Because the symbol tables for generic functions are ephemeral (as such), they need to be easily removed from the scope chain, it's easiest if definitions are never added to them (instead, they get added to the parent symbol table). This keeps handling of function declarations or definitions and their parameter scopes simple as the function gets put in the global scope still, and the parameter scope simply gets reconnected to the global scope (really, the generic scope's parent) when the parameter scope is popped within a generic scope.
90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
/*
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specifier.h
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type system
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Copyright (C) 2001 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2001/12/11
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License 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 this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifndef __specifier_h
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#define __specifier_h
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typedef struct type_s type_t;
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typedef struct expr_s expr_t;
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typedef struct symbol_s symbol_t;
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typedef struct symtab_s symtab_t;
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typedef struct param_s param_t;
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typedef struct attribute_s attribute_t;
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/** Specify the storage class of a def.
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*/
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typedef enum storage_class_e : unsigned {
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sc_global, ///< def is globally visible across units
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sc_system, ///< def may be redefined once
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sc_extern, ///< def is externally allocated
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sc_static, ///< def is private to the current unit
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sc_param, ///< def is an incoming function parameter
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sc_local, ///< def is local to the current function
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sc_argument, ///< def is a function argument
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sc_inout,
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sc_in,
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sc_out,
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sc_count
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} storage_class_t;
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extern const char *storage_class_names[sc_count];
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typedef struct specifier_s {
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const type_t *type;
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const expr_t *type_expr;
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attribute_t *attributes;
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param_t *params;
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symbol_t *sym;
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symtab_t *symtab;
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storage_class_t storage;
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union {
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struct {
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bool multi_type:1;
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bool multi_store:1;
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bool multi_generic:1;
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bool is_const:1;
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bool is_signed:1;
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bool is_unsigned:1;
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bool is_short:1;
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bool is_long:1;
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bool is_typedef:1;
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bool is_overload:1;
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bool is_generic:1;
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bool is_generic_block:1;
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bool is_function:1;//FIXME do proper void(*)() -> ev_func
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bool is_far:1;
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};
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unsigned spec_bits;
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};
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} specifier_t;
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#endif//__type_h
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