| /* Copyright (C) 2001, 2002 Free Software Foundation, Inc. |
| Contributed by Joseph Myers <jsm28@cam.ac.uk>. |
| |
| 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 2, 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 COPYING. If not, write to the Free |
| Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
| 02111-1307, USA. */ |
| |
| /* This header provides a declarative way of describing the attributes |
| that are applied to some functions by default. |
| |
| Before including this header, you must define the following macros. |
| In each case where there is an ENUM, it is an identifier used to |
| reference the tree in subsequent definitions. |
| |
| DEF_ATTR_NULL_TREE (ENUM) |
| |
| Constructs a NULL_TREE. |
| |
| DEF_ATTR_INT (ENUM, VALUE) |
| |
| Constructs an INTEGER_CST with value VALUE (an integer representable |
| in HOST_WIDE_INT). |
| |
| DEF_ATTR_IDENT (ENUM, STRING) |
| |
| Constructs an IDENTIFIER_NODE for STRING. |
| |
| DEF_ATTR_TREE_LIST (ENUM, PURPOSE, VALUE, CHAIN) |
| |
| Constructs a TREE_LIST with given PURPOSE, VALUE and CHAIN (given |
| as previous ENUM names). */ |
| |
| DEF_ATTR_NULL_TREE (ATTR_NULL) |
| |
| /* Construct a tree for a given integer and a list containing it. */ |
| #define DEF_ATTR_FOR_INT(VALUE) \ |
| DEF_ATTR_INT (ATTR_##VALUE, VALUE) \ |
| DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE, ATTR_NULL, \ |
| ATTR_##VALUE, ATTR_NULL) |
| DEF_ATTR_FOR_INT (0) |
| DEF_ATTR_FOR_INT (1) |
| DEF_ATTR_FOR_INT (2) |
| DEF_ATTR_FOR_INT (3) |
| DEF_ATTR_FOR_INT (4) |
| #undef DEF_ATTR_FOR_INT |
| |
| /* Construct a tree for a list of two integers. */ |
| #define DEF_LIST_INT_INT(VALUE1, VALUE2) \ |
| DEF_ATTR_TREE_LIST (ATTR_LIST_##VALUE1##_##VALUE2, ATTR_NULL, \ |
| ATTR_##VALUE1, ATTR_LIST_##VALUE2) |
| DEF_LIST_INT_INT (1,0) |
| DEF_LIST_INT_INT (1,2) |
| DEF_LIST_INT_INT (2,0) |
| DEF_LIST_INT_INT (2,3) |
| DEF_LIST_INT_INT (3,0) |
| DEF_LIST_INT_INT (3,4) |
| #undef DEF_LIST_INT_INT |
| |
| /* Construct tress for identifiers. */ |
| DEF_ATTR_IDENT (ATTR_CONST, "const") |
| DEF_ATTR_IDENT (ATTR_FORMAT, "format") |
| DEF_ATTR_IDENT (ATTR_FORMAT_ARG, "format_arg") |
| DEF_ATTR_IDENT (ATTR_MALLOC, "malloc") |
| DEF_ATTR_IDENT (ATTR_NONNULL, "nonnull") |
| DEF_ATTR_IDENT (ATTR_NORETURN, "noreturn") |
| DEF_ATTR_IDENT (ATTR_NOTHROW, "nothrow") |
| DEF_ATTR_IDENT (ATTR_PRINTF, "printf") |
| DEF_ATTR_IDENT (ATTR_ASM_FPRINTF, "asm_fprintf") |
| DEF_ATTR_IDENT (ATTR_GCC_DIAG, "gcc_diag") |
| DEF_ATTR_IDENT (ATTR_GCC_CDIAG, "gcc_cdiag") |
| DEF_ATTR_IDENT (ATTR_GCC_CXXDIAG, "gcc_cxxdiag") |
| DEF_ATTR_IDENT (ATTR_PURE, "pure") |
| DEF_ATTR_IDENT (ATTR_SCANF, "scanf") |
| DEF_ATTR_IDENT (ATTR_STRFMON, "strfmon") |
| DEF_ATTR_IDENT (ATTR_STRFTIME, "strftime") |
| |
| DEF_ATTR_TREE_LIST (ATTR_NOTHROW_LIST, ATTR_NOTHROW, ATTR_NULL, ATTR_NULL) |
| |
| DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_LIST, ATTR_CONST, \ |
| ATTR_NULL, ATTR_NOTHROW_LIST) |
| DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_LIST, ATTR_PURE, \ |
| ATTR_NULL, ATTR_NOTHROW_LIST) |
| DEF_ATTR_TREE_LIST (ATTR_NORETURN_NOTHROW_LIST, ATTR_NORETURN, \ |
| ATTR_NULL, ATTR_NOTHROW_LIST) |
| DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_LIST, ATTR_MALLOC, \ |
| ATTR_NULL, ATTR_NOTHROW_LIST) |
| |
| DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1, ATTR_NONNULL, ATTR_LIST_1, \ |
| ATTR_NOTHROW_LIST) |
| DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_2, ATTR_NONNULL, ATTR_LIST_2, \ |
| ATTR_NOTHROW_LIST) |
| DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_3, ATTR_NONNULL, ATTR_LIST_3, \ |
| ATTR_NOTHROW_LIST) |
| /* Nothrow functions whose first and second parameters are nonnull pointers. */ |
| DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_2, ATTR_NONNULL, ATTR_LIST_2, \ |
| ATTR_NOTHROW_NONNULL_1) |
| /* Nothrow functions whose first and fourth parameters are nonnull pointers. */ |
| DEF_ATTR_TREE_LIST (ATTR_NOTHROW_NONNULL_1_4, ATTR_NONNULL, ATTR_LIST_4, \ |
| ATTR_NOTHROW_NONNULL_1) |
| /* Nothrow const functions whose first parameter is a nonnull pointer. */ |
| DEF_ATTR_TREE_LIST (ATTR_CONST_NOTHROW_NONNULL_1, ATTR_CONST, ATTR_NULL, \ |
| ATTR_NOTHROW_NONNULL_1) |
| /* Nothrow pure functions whose first parameter is a nonnull pointer. */ |
| DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE, ATTR_NULL, \ |
| ATTR_NOTHROW_NONNULL_1) |
| /* Nothrow pure functions whose first and second parameters are nonnull pointers. */ |
| DEF_ATTR_TREE_LIST (ATTR_PURE_NOTHROW_NONNULL_1_2, ATTR_PURE, ATTR_NULL, \ |
| ATTR_NOTHROW_NONNULL_1_2) |
| /* Nothrow malloc functions whose first parameter is a nonnull pointer. */ |
| DEF_ATTR_TREE_LIST (ATTR_MALLOC_NOTHROW_NONNULL_1, ATTR_MALLOC, ATTR_NULL, \ |
| ATTR_NOTHROW_NONNULL_1) |
| |
| /* Construct a tree for a format attribute. */ |
| #define DEF_FORMAT_ATTRIBUTE(TYPE, FA, VALUES) \ |
| DEF_ATTR_TREE_LIST (ATTR_##TYPE##_##VALUES, ATTR_NULL, \ |
| ATTR_##TYPE, ATTR_LIST_##VALUES) \ |
| DEF_ATTR_TREE_LIST (ATTR_FORMAT_##TYPE##_##VALUES, ATTR_FORMAT, \ |
| ATTR_##TYPE##_##VALUES, ATTR_NOTHROW_NONNULL_##FA) |
| DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_0) |
| DEF_FORMAT_ATTRIBUTE(PRINTF,1,1_2) |
| DEF_FORMAT_ATTRIBUTE(PRINTF,2,2_0) |
| DEF_FORMAT_ATTRIBUTE(PRINTF,2,2_3) |
| DEF_FORMAT_ATTRIBUTE(PRINTF,3,3_0) |
| DEF_FORMAT_ATTRIBUTE(PRINTF,3,3_4) |
| DEF_FORMAT_ATTRIBUTE(SCANF,1,1_0) |
| DEF_FORMAT_ATTRIBUTE(SCANF,1,1_2) |
| DEF_FORMAT_ATTRIBUTE(SCANF,2,2_0) |
| DEF_FORMAT_ATTRIBUTE(SCANF,2,2_3) |
| DEF_FORMAT_ATTRIBUTE(STRFTIME,3,3_0) |
| DEF_FORMAT_ATTRIBUTE(STRFMON,3,3_4) |
| #undef DEF_FORMAT_ATTRIBUTE |
| |
| /* Construct a tree for a format_arg attribute. */ |
| #define DEF_FORMAT_ARG_ATTRIBUTE(FA) \ |
| DEF_ATTR_TREE_LIST (ATTR_FORMAT_ARG_##FA, ATTR_FORMAT_ARG, \ |
| ATTR_LIST_##FA, ATTR_NOTHROW_NONNULL_##FA) |
| DEF_FORMAT_ARG_ATTRIBUTE(1) |
| DEF_FORMAT_ARG_ATTRIBUTE(2) |
| #undef DEF_FORMAT_ARG_ATTRIBUTE |
| |
