| /* Definitions for c-common.c. |
| Copyright (C) 1987-2014 Free Software Foundation, Inc. |
| |
| 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 GCC_C_COMMON_H |
| #define GCC_C_COMMON_H |
| |
| #include "splay-tree.h" |
| #include "cpplib.h" |
| #include "ggc.h" |
| #include "tree.h" |
| |
| /* In order for the format checking to accept the C frontend |
| diagnostic framework extensions, you must include this file before |
| diagnostic-core.h, not after. The C front end formats are a subset of those |
| for C++, so they are the appropriate set to use in common code; |
| cp-tree.h overrides this for C++. */ |
| #if defined(GCC_DIAGNOSTIC_CORE_H) |
| #error \ |
| In order for the format checking to accept the C front end diagnostic \ |
| framework extensions, you must include this file before diagnostic-core.h \ |
| never after. |
| #endif |
| #ifndef GCC_DIAG_STYLE |
| #define GCC_DIAG_STYLE __gcc_cdiag__ |
| #endif |
| #include "diagnostic-core.h" |
| |
| /* Usage of TREE_LANG_FLAG_?: |
| 0: IDENTIFIER_MARKED (used by search routines). |
| C_MAYBE_CONST_EXPR_INT_OPERANDS (in C_MAYBE_CONST_EXPR, for C) |
| 1: C_DECLARED_LABEL_FLAG (in LABEL_DECL) |
| STATEMENT_LIST_STMT_EXPR (in STATEMENT_LIST) |
| C_MAYBE_CONST_EXPR_NON_CONST (in C_MAYBE_CONST_EXPR, for C) |
| 2: unused |
| 3: STATEMENT_LIST_HAS_LABEL (in STATEMENT_LIST) |
| 4: unused |
| */ |
| |
| /* Reserved identifiers. This is the union of all the keywords for C, |
| C++, and Objective-C. All the type modifiers have to be in one |
| block at the beginning, because they are used as mask bits. There |
| are 28 type modifiers; if we add many more we will have to redesign |
| the mask mechanism. */ |
| |
| enum rid |
| { |
| /* Modifiers: */ |
| /* C, in empirical order of frequency. */ |
| RID_STATIC = 0, |
| RID_UNSIGNED, RID_LONG, RID_CONST, RID_EXTERN, |
| RID_REGISTER, RID_TYPEDEF, RID_SHORT, RID_INLINE, |
| RID_VOLATILE, RID_SIGNED, RID_AUTO, RID_RESTRICT, |
| RID_NORETURN, RID_ATOMIC, |
| |
| /* C extensions */ |
| RID_COMPLEX, RID_THREAD, RID_SAT, |
| |
| /* C++ */ |
| RID_FRIEND, RID_VIRTUAL, RID_EXPLICIT, RID_EXPORT, RID_MUTABLE, |
| |
| /* ObjC ("PQ" reserved words - they do not appear after a '@' and |
| are keywords only in specific contexts) */ |
| RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF, RID_ONEWAY, |
| |
| /* ObjC ("PATTR" reserved words - they do not appear after a '@' |
| and are keywords only as property attributes) */ |
| RID_GETTER, RID_SETTER, |
| RID_READONLY, RID_READWRITE, |
| RID_ASSIGN, RID_RETAIN, RID_COPY, |
| RID_NONATOMIC, |
| |
| /* C (reserved and imaginary types not implemented, so any use is a |
| syntax error) */ |
| RID_IMAGINARY, |
| |
| /* C */ |
| RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID, |
| RID_INT128, |
| RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE, |
| RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE, |
| RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO, |
| RID_SIZEOF, |
| |
| /* C extensions */ |
| RID_ASM, RID_TYPEOF, RID_ALIGNOF, RID_ATTRIBUTE, RID_VA_ARG, |
| RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL, RID_CHOOSE_EXPR, |
| RID_TYPES_COMPATIBLE_P, RID_BUILTIN_COMPLEX, RID_BUILTIN_SHUFFLE, |
| RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128, |
| RID_FRACT, RID_ACCUM, RID_AUTO_TYPE, |
| |
| /* C11 */ |
| RID_ALIGNAS, RID_GENERIC, |
| |
| /* This means to warn that this is a C++ keyword, and then treat it |
| as a normal identifier. */ |
| RID_CXX_COMPAT_WARN, |
| |
| /* GNU transactional memory extension */ |
| RID_TRANSACTION_ATOMIC, RID_TRANSACTION_RELAXED, RID_TRANSACTION_CANCEL, |
| |
| /* Too many ways of getting the name of a function as a string */ |
| RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, RID_C99_FUNCTION_NAME, |
| |
| /* C++ (some of these are keywords in Objective-C as well, but only |
| if they appear after a '@') */ |
| RID_BOOL, RID_WCHAR, RID_CLASS, |
| RID_PUBLIC, RID_PRIVATE, RID_PROTECTED, |
| RID_TEMPLATE, RID_NULL, RID_CATCH, |
| RID_DELETE, RID_FALSE, RID_NAMESPACE, |
| RID_NEW, RID_OFFSETOF, RID_OPERATOR, |
| RID_THIS, RID_THROW, RID_TRUE, |
| RID_TRY, RID_TYPENAME, RID_TYPEID, |
| RID_USING, RID_CHAR16, RID_CHAR32, |
| |
| /* casts */ |
| RID_CONSTCAST, RID_DYNCAST, RID_REINTCAST, RID_STATCAST, |
| |
| /* C++ extensions */ |
| RID_BASES, RID_DIRECT_BASES, |
| RID_HAS_NOTHROW_ASSIGN, RID_HAS_NOTHROW_CONSTRUCTOR, |
| RID_HAS_NOTHROW_COPY, RID_HAS_TRIVIAL_ASSIGN, |
| RID_HAS_TRIVIAL_CONSTRUCTOR, RID_HAS_TRIVIAL_COPY, |
| RID_HAS_TRIVIAL_DESTRUCTOR, RID_HAS_VIRTUAL_DESTRUCTOR, |
| RID_IS_ABSTRACT, RID_IS_BASE_OF, |
| RID_IS_CLASS, RID_IS_CONVERTIBLE_TO, |
| RID_IS_EMPTY, RID_IS_ENUM, |
| RID_IS_FINAL, RID_IS_LITERAL_TYPE, |
| RID_IS_POD, RID_IS_POLYMORPHIC, |
| RID_IS_STD_LAYOUT, RID_IS_TRIVIAL, |
| RID_IS_UNION, RID_UNDERLYING_TYPE, |
| |
| /* C++11 */ |
| RID_CONSTEXPR, RID_DECLTYPE, RID_NOEXCEPT, RID_NULLPTR, RID_STATIC_ASSERT, |
| |
| /* Cilk Plus keywords. */ |
| RID_CILK_SPAWN, RID_CILK_SYNC, |
| |
| /* Objective-C ("AT" reserved words - they are only keywords when |
| they follow '@') */ |
| RID_AT_ENCODE, RID_AT_END, |
| RID_AT_CLASS, RID_AT_ALIAS, RID_AT_DEFS, |
| RID_AT_PRIVATE, RID_AT_PROTECTED, RID_AT_PUBLIC, RID_AT_PACKAGE, |
| RID_AT_PROTOCOL, RID_AT_SELECTOR, |
| RID_AT_THROW, RID_AT_TRY, RID_AT_CATCH, |
| RID_AT_FINALLY, RID_AT_SYNCHRONIZED, |
| RID_AT_OPTIONAL, RID_AT_REQUIRED, RID_AT_PROPERTY, |
| RID_AT_SYNTHESIZE, RID_AT_DYNAMIC, |
| RID_AT_INTERFACE, |
| RID_AT_IMPLEMENTATION, |
| |
| /* Named address support, mapping the keyword to a particular named address |
| number. Named address space 0 is reserved for the generic address. If |
| there are more than 254 named addresses, the addr_space_t type will need |
| to be grown from an unsigned char to unsigned short. */ |
| RID_ADDR_SPACE_0, /* generic address */ |
| RID_ADDR_SPACE_1, |
| RID_ADDR_SPACE_2, |
| RID_ADDR_SPACE_3, |
| RID_ADDR_SPACE_4, |
| RID_ADDR_SPACE_5, |
| RID_ADDR_SPACE_6, |
| RID_ADDR_SPACE_7, |
| RID_ADDR_SPACE_8, |
| RID_ADDR_SPACE_9, |
| RID_ADDR_SPACE_10, |
| RID_ADDR_SPACE_11, |
| RID_ADDR_SPACE_12, |
| RID_ADDR_SPACE_13, |
| RID_ADDR_SPACE_14, |
| RID_ADDR_SPACE_15, |
| |
| RID_FIRST_ADDR_SPACE = RID_ADDR_SPACE_0, |
| RID_LAST_ADDR_SPACE = RID_ADDR_SPACE_15, |
| |
| RID_MAX, |
| |
| RID_FIRST_MODIFIER = RID_STATIC, |
| RID_LAST_MODIFIER = RID_ONEWAY, |
| |
| RID_FIRST_CXX0X = RID_CONSTEXPR, |
| RID_LAST_CXX0X = RID_STATIC_ASSERT, |
| RID_FIRST_AT = RID_AT_ENCODE, |
| RID_LAST_AT = RID_AT_IMPLEMENTATION, |
| RID_FIRST_PQ = RID_IN, |
| RID_LAST_PQ = RID_ONEWAY, |
| RID_FIRST_PATTR = RID_GETTER, |
| RID_LAST_PATTR = RID_NONATOMIC |
| }; |
| |
| #define OBJC_IS_AT_KEYWORD(rid) \ |
| ((unsigned int) (rid) >= (unsigned int) RID_FIRST_AT && \ |
| (unsigned int) (rid) <= (unsigned int) RID_LAST_AT) |
| |
| #define OBJC_IS_PQ_KEYWORD(rid) \ |
| ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PQ && \ |
| (unsigned int) (rid) <= (unsigned int) RID_LAST_PQ) |
| |
| #define OBJC_IS_PATTR_KEYWORD(rid) \ |
| ((unsigned int) (rid) >= (unsigned int) RID_FIRST_PATTR && \ |
| (unsigned int) (rid) <= (unsigned int) RID_LAST_PATTR) |
| |
| /* OBJC_IS_CXX_KEYWORD recognizes the 'CXX_OBJC' keywords (such as |
| 'class') which are shared in a subtle way between Objective-C and |
| C++. When the lexer is lexing in Objective-C/Objective-C++, if it |
| finds '@' followed by one of these identifiers (eg, '@class'), it |
| recognizes the whole as an Objective-C keyword. If the identifier |
| is found elsewhere, it follows the rules of the C/C++ language. |
| */ |
| #define OBJC_IS_CXX_KEYWORD(rid) \ |
| (rid == RID_CLASS \ |
| || rid == RID_PUBLIC || rid == RID_PROTECTED || rid == RID_PRIVATE \ |
| || rid == RID_TRY || rid == RID_THROW || rid == RID_CATCH) |
| |
| /* The elements of `ridpointers' are identifier nodes for the reserved |
| type names and storage classes. It is indexed by a RID_... value. */ |
| extern GTY ((length ("(int) RID_MAX"))) tree *ridpointers; |
| |
| /* Standard named or nameless data types of the C compiler. */ |
| |
| enum c_tree_index |
| { |
| CTI_CHAR16_TYPE, |
| CTI_CHAR32_TYPE, |
| CTI_WCHAR_TYPE, |
| CTI_UNDERLYING_WCHAR_TYPE, |
| CTI_WINT_TYPE, |
| CTI_SIGNED_SIZE_TYPE, /* For format checking only. */ |
| CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */ |
| CTI_INTMAX_TYPE, |
| CTI_UINTMAX_TYPE, |
| CTI_WIDEST_INT_LIT_TYPE, |
| CTI_WIDEST_UINT_LIT_TYPE, |
| |
| /* Types for <stdint.h>, that may not be defined on all |
| targets. */ |
| CTI_SIG_ATOMIC_TYPE, |
| CTI_INT8_TYPE, |
| CTI_INT16_TYPE, |
| CTI_INT32_TYPE, |
| CTI_INT64_TYPE, |
| CTI_UINT8_TYPE, |
| CTI_UINT16_TYPE, |
| CTI_UINT32_TYPE, |
| CTI_UINT64_TYPE, |
| CTI_INT_LEAST8_TYPE, |
| CTI_INT_LEAST16_TYPE, |
| CTI_INT_LEAST32_TYPE, |
| CTI_INT_LEAST64_TYPE, |
| CTI_UINT_LEAST8_TYPE, |
| CTI_UINT_LEAST16_TYPE, |
| CTI_UINT_LEAST32_TYPE, |
| CTI_UINT_LEAST64_TYPE, |
| CTI_INT_FAST8_TYPE, |
| CTI_INT_FAST16_TYPE, |
| CTI_INT_FAST32_TYPE, |
| CTI_INT_FAST64_TYPE, |
| CTI_UINT_FAST8_TYPE, |
| CTI_UINT_FAST16_TYPE, |
| CTI_UINT_FAST32_TYPE, |
| CTI_UINT_FAST64_TYPE, |
| CTI_INTPTR_TYPE, |
| CTI_UINTPTR_TYPE, |
| |
| CTI_CHAR_ARRAY_TYPE, |
| CTI_CHAR16_ARRAY_TYPE, |
| CTI_CHAR32_ARRAY_TYPE, |
| CTI_WCHAR_ARRAY_TYPE, |
| CTI_STRING_TYPE, |
| CTI_CONST_STRING_TYPE, |
| |
| /* Type for boolean expressions (bool in C++, int in C). */ |
| CTI_TRUTHVALUE_TYPE, |
| CTI_TRUTHVALUE_TRUE, |
| CTI_TRUTHVALUE_FALSE, |
| |
| CTI_DEFAULT_FUNCTION_TYPE, |
| |
| /* These are not types, but we have to look them up all the time. */ |
| CTI_FUNCTION_NAME_DECL, |
| CTI_PRETTY_FUNCTION_NAME_DECL, |
| CTI_C99_FUNCTION_NAME_DECL, |
| CTI_SAVED_FUNCTION_NAME_DECLS, |
| |
| CTI_VOID_ZERO, |
| |
| CTI_NULL, |
| |
| CTI_MAX |
| }; |
| |
| #define C_CPP_HASHNODE(id) \ |
| (&(((struct c_common_identifier *) (id))->node)) |
| #define C_RID_CODE(id) \ |
| ((enum rid) (((struct c_common_identifier *) (id))->node.rid_code)) |
| #define C_SET_RID_CODE(id, code) \ |
| (((struct c_common_identifier *) (id))->node.rid_code = (unsigned char) code) |
| |
| /* Identifier part common to the C front ends. Inherits from |
| tree_identifier, despite appearances. */ |
| struct GTY(()) c_common_identifier { |
| struct tree_common common; |
| struct cpp_hashnode node; |
| }; |
| |
| /* An entry in the reserved keyword table. */ |
| |
| struct c_common_resword |
| { |
| const char *const word; |
| ENUM_BITFIELD(rid) const rid : 16; |
| const unsigned int disable : 16; |
| }; |
| |
| /* Extra cpp_ttype values for C++. */ |
| |
| /* A token type for keywords, as opposed to ordinary identifiers. */ |
| #define CPP_KEYWORD ((enum cpp_ttype) (N_TTYPES + 1)) |
| |
| /* A token type for template-ids. If a template-id is processed while |
| parsing tentatively, it is replaced with a CPP_TEMPLATE_ID token; |
| the value of the CPP_TEMPLATE_ID is whatever was returned by |
| cp_parser_template_id. */ |
| #define CPP_TEMPLATE_ID ((enum cpp_ttype) (CPP_KEYWORD + 1)) |
| |
| /* A token type for nested-name-specifiers. If a |
| nested-name-specifier is processed while parsing tentatively, it is |
| replaced with a CPP_NESTED_NAME_SPECIFIER token; the value of the |
| CPP_NESTED_NAME_SPECIFIER is whatever was returned by |
| cp_parser_nested_name_specifier_opt. */ |
| #define CPP_NESTED_NAME_SPECIFIER ((enum cpp_ttype) (CPP_TEMPLATE_ID + 1)) |
| |
| /* A token type for pre-parsed C++0x decltype. */ |
| #define CPP_DECLTYPE ((enum cpp_ttype) (CPP_NESTED_NAME_SPECIFIER + 1)) |
| |
| /* The number of token types, including C++-specific ones. */ |
| #define N_CP_TTYPES ((int) (CPP_DECLTYPE + 1)) |
| |
| /* Disable mask. Keywords are disabled if (reswords[i].disable & |
| mask) is _true_. Thus for keywords which are present in all |
| languages the disable field is zero. */ |
| |
| #define D_CONLY 0x001 /* C only (not in C++). */ |
| #define D_CXXONLY 0x002 /* C++ only (not in C). */ |
| #define D_C99 0x004 /* In C, C99 only. */ |
| #define D_CXX0X 0x008 /* In C++, C++0X only. */ |
| #define D_EXT 0x010 /* GCC extension. */ |
| #define D_EXT89 0x020 /* GCC extension incorporated in C99. */ |
| #define D_ASM 0x040 /* Disabled by -fno-asm. */ |
| #define D_OBJC 0x080 /* In Objective C and neither C nor C++. */ |
| #define D_CXX_OBJC 0x100 /* In Objective C, and C++, but not C. */ |
| #define D_CXXWARN 0x200 /* In C warn with -Wcxx-compat. */ |
| |
| /* The reserved keyword table. */ |
| extern const struct c_common_resword c_common_reswords[]; |
| |
| /* The number of items in the reserved keyword table. */ |
| extern const unsigned int num_c_common_reswords; |
| |
| #define char16_type_node c_global_trees[CTI_CHAR16_TYPE] |
| #define char32_type_node c_global_trees[CTI_CHAR32_TYPE] |
| #define wchar_type_node c_global_trees[CTI_WCHAR_TYPE] |
| #define underlying_wchar_type_node c_global_trees[CTI_UNDERLYING_WCHAR_TYPE] |
| #define wint_type_node c_global_trees[CTI_WINT_TYPE] |
| #define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE] |
| #define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE] |
| #define intmax_type_node c_global_trees[CTI_INTMAX_TYPE] |
| #define uintmax_type_node c_global_trees[CTI_UINTMAX_TYPE] |
| #define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE] |
| #define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE] |
| |
| #define sig_atomic_type_node c_global_trees[CTI_SIG_ATOMIC_TYPE] |
| #define int8_type_node c_global_trees[CTI_INT8_TYPE] |
| #define int16_type_node c_global_trees[CTI_INT16_TYPE] |
| #define int32_type_node c_global_trees[CTI_INT32_TYPE] |
| #define int64_type_node c_global_trees[CTI_INT64_TYPE] |
| #define uint8_type_node c_global_trees[CTI_UINT8_TYPE] |
| #define c_uint16_type_node c_global_trees[CTI_UINT16_TYPE] |
| #define c_uint32_type_node c_global_trees[CTI_UINT32_TYPE] |
| #define c_uint64_type_node c_global_trees[CTI_UINT64_TYPE] |
| #define int_least8_type_node c_global_trees[CTI_INT_LEAST8_TYPE] |
| #define int_least16_type_node c_global_trees[CTI_INT_LEAST16_TYPE] |
| #define int_least32_type_node c_global_trees[CTI_INT_LEAST32_TYPE] |
| #define int_least64_type_node c_global_trees[CTI_INT_LEAST64_TYPE] |
| #define uint_least8_type_node c_global_trees[CTI_UINT_LEAST8_TYPE] |
| #define uint_least16_type_node c_global_trees[CTI_UINT_LEAST16_TYPE] |
| #define uint_least32_type_node c_global_trees[CTI_UINT_LEAST32_TYPE] |
| #define uint_least64_type_node c_global_trees[CTI_UINT_LEAST64_TYPE] |
| #define int_fast8_type_node c_global_trees[CTI_INT_FAST8_TYPE] |
| #define int_fast16_type_node c_global_trees[CTI_INT_FAST16_TYPE] |
| #define int_fast32_type_node c_global_trees[CTI_INT_FAST32_TYPE] |
| #define int_fast64_type_node c_global_trees[CTI_INT_FAST64_TYPE] |
| #define uint_fast8_type_node c_global_trees[CTI_UINT_FAST8_TYPE] |
| #define uint_fast16_type_node c_global_trees[CTI_UINT_FAST16_TYPE] |
| #define uint_fast32_type_node c_global_trees[CTI_UINT_FAST32_TYPE] |
| #define uint_fast64_type_node c_global_trees[CTI_UINT_FAST64_TYPE] |
| #define intptr_type_node c_global_trees[CTI_INTPTR_TYPE] |
| #define uintptr_type_node c_global_trees[CTI_UINTPTR_TYPE] |
| |
| #define truthvalue_type_node c_global_trees[CTI_TRUTHVALUE_TYPE] |
| #define truthvalue_true_node c_global_trees[CTI_TRUTHVALUE_TRUE] |
| #define truthvalue_false_node c_global_trees[CTI_TRUTHVALUE_FALSE] |
| |
| #define char_array_type_node c_global_trees[CTI_CHAR_ARRAY_TYPE] |
| #define char16_array_type_node c_global_trees[CTI_CHAR16_ARRAY_TYPE] |
| #define char32_array_type_node c_global_trees[CTI_CHAR32_ARRAY_TYPE] |
| #define wchar_array_type_node c_global_trees[CTI_WCHAR_ARRAY_TYPE] |
| #define string_type_node c_global_trees[CTI_STRING_TYPE] |
| #define const_string_type_node c_global_trees[CTI_CONST_STRING_TYPE] |
| |
| #define default_function_type c_global_trees[CTI_DEFAULT_FUNCTION_TYPE] |
| |
| #define function_name_decl_node c_global_trees[CTI_FUNCTION_NAME_DECL] |
| #define pretty_function_name_decl_node c_global_trees[CTI_PRETTY_FUNCTION_NAME_DECL] |
| #define c99_function_name_decl_node c_global_trees[CTI_C99_FUNCTION_NAME_DECL] |
| #define saved_function_name_decls c_global_trees[CTI_SAVED_FUNCTION_NAME_DECLS] |
| |
| /* A node for `((void) 0)'. */ |
| #define void_zero_node c_global_trees[CTI_VOID_ZERO] |
| |
| /* The node for C++ `__null'. */ |
| #define null_node c_global_trees[CTI_NULL] |
| |
| extern GTY(()) tree c_global_trees[CTI_MAX]; |
| |
| /* In a RECORD_TYPE, a sorted array of the fields of the type, not a |
| tree for size reasons. */ |
| struct GTY((variable_size)) sorted_fields_type { |
| int len; |
| tree GTY((length ("%h.len"))) elts[1]; |
| }; |
| |
| /* Mark which labels are explicitly declared. |
| These may be shadowed, and may be referenced from nested functions. */ |
| #define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) |
| |
| typedef enum c_language_kind |
| { |
| clk_c = 0, /* C90, C94 or C99 */ |
| clk_objc = 1, /* clk_c with ObjC features. */ |
| clk_cxx = 2, /* ANSI/ISO C++ */ |
| clk_objcxx = 3 /* clk_cxx with ObjC features. */ |
| } |
| c_language_kind; |
| |
| /* To test for a specific language use c_language, defined by each |
| front end. For "ObjC features" or "not C++" use the macros. */ |
| extern c_language_kind c_language; |
| |
| #define c_dialect_cxx() ((c_language & clk_cxx) != 0) |
| #define c_dialect_objc() ((c_language & clk_objc) != 0) |
| |
| /* The various name of operator that appears in error messages. */ |
| typedef enum ref_operator { |
| /* NULL */ |
| RO_NULL, |
| /* array indexing */ |
| RO_ARRAY_INDEXING, |
| /* unary * */ |
| RO_UNARY_STAR, |
| /* -> */ |
| RO_ARROW, |
| /* implicit conversion */ |
| RO_IMPLICIT_CONVERSION, |
| /* ->* */ |
| RO_ARROW_STAR |
| } ref_operator; |
| |
| /* Information about a statement tree. */ |
| |
| struct GTY(()) stmt_tree_s { |
| /* A stack of statement lists being collected. */ |
| vec<tree, va_gc> *x_cur_stmt_list; |
| |
| /* In C++, Nonzero if we should treat statements as full |
| expressions. In particular, this variable is non-zero if at the |
| end of a statement we should destroy any temporaries created |
| during that statement. Similarly, if, at the end of a block, we |
| should destroy any local variables in this block. Normally, this |
| variable is nonzero, since those are the normal semantics of |
| C++. |
| |
| This flag has no effect in C. */ |
| int stmts_are_full_exprs_p; |
| }; |
| |
| typedef struct stmt_tree_s *stmt_tree; |
| |
| /* Global state pertinent to the current function. Some C dialects |
| extend this structure with additional fields. */ |
| |
| struct GTY(()) c_language_function { |
| /* While we are parsing the function, this contains information |
| about the statement-tree that we are building. */ |
| struct stmt_tree_s x_stmt_tree; |
| |
| /* Vector of locally defined typedefs, for |
| -Wunused-local-typedefs. */ |
| vec<tree, va_gc> *local_typedefs; |
| }; |
| |
| #define stmt_list_stack (current_stmt_tree ()->x_cur_stmt_list) |
| |
| /* When building a statement-tree, this is the current statement list |
| being collected. */ |
| #define cur_stmt_list (stmt_list_stack->last ()) |
| |
| #define building_stmt_list_p() (stmt_list_stack && !stmt_list_stack->is_empty()) |
| |
| /* Language-specific hooks. */ |
| |
| /* If non-NULL, this function is called after a precompile header file |
| is loaded. */ |
| extern void (*lang_post_pch_load) (void); |
| |
| extern void push_file_scope (void); |
| extern void pop_file_scope (void); |
| extern stmt_tree current_stmt_tree (void); |
| extern tree push_stmt_list (void); |
| extern tree pop_stmt_list (tree); |
| extern tree add_stmt (tree); |
| extern void push_cleanup (tree, tree, bool); |
| extern tree pushdecl_top_level (tree); |
| extern tree pushdecl (tree); |
| extern tree build_modify_expr (location_t, tree, tree, enum tree_code, |
| location_t, tree, tree); |
| extern tree build_array_notation_expr (location_t, tree, tree, enum tree_code, |
| location_t, tree, tree); |
| extern tree build_array_notation_ref (location_t, tree, tree, tree, tree, tree); |
| extern tree build_indirect_ref (location_t, tree, ref_operator); |
| |
| extern int field_decl_cmp (const void *, const void *); |
| extern void resort_sorted_fields (void *, void *, gt_pointer_operator, |
| void *); |
| extern bool has_c_linkage (const_tree decl); |
| |
| /* Switches common to the C front ends. */ |
| |
| /* Nonzero means don't output line number information. */ |
| |
| extern char flag_no_line_commands; |
| |
| /* Nonzero causes -E output not to be done, but directives such as |
| #define that have side effects are still obeyed. */ |
| |
| extern char flag_no_output; |
| |
| /* Nonzero means dump macros in some fashion; contains the 'D', 'M', |
| 'N' or 'U' of the command line switch. */ |
| |
| extern char flag_dump_macros; |
| |
| /* Nonzero means pass #include lines through to the output. */ |
| |
| extern char flag_dump_includes; |
| |
| /* Nonzero means process PCH files while preprocessing. */ |
| |
| extern bool flag_pch_preprocess; |
| |
| /* The file name to which we should write a precompiled header, or |
| NULL if no header will be written in this compile. */ |
| |
| extern const char *pch_file; |
| |
| /* Nonzero if an ISO standard was selected. It rejects macros in the |
| user's namespace. */ |
| |
| extern int flag_iso; |
| |
| /* C/ObjC language option variables. */ |
| |
| |
| /* Nonzero means allow type mismatches in conditional expressions; |
| just make their values `void'. */ |
| |
| extern int flag_cond_mismatch; |
| |
| /* Nonzero means enable C89 Amendment 1 features. */ |
| |
| extern int flag_isoc94; |
| |
| /* Nonzero means use the ISO C99 (or C11) dialect of C. */ |
| |
| extern int flag_isoc99; |
| |
| /* Nonzero means use the ISO C11 dialect of C. */ |
| |
| extern int flag_isoc11; |
| |
| /* Nonzero means that we have builtin functions, and main is an int. */ |
| |
| extern int flag_hosted; |
| |
| /* ObjC language option variables. */ |
| |
| |
| /* Tells the compiler that this is a special run. Do not perform any |
| compiling, instead we are to test some platform dependent features |
| and output a C header file with appropriate definitions. */ |
| |
| extern int print_struct_values; |
| |
| /* Tells the compiler what is the constant string class for ObjC. */ |
| |
| extern const char *constant_string_class_name; |
| |
| |
| /* C++ language option variables. */ |
| |
| |
| /* Nonzero means generate separate instantiation control files and |
| juggle them at link time. */ |
| |
| extern int flag_use_repository; |
| |
| /* The supported C++ dialects. */ |
| |
| enum cxx_dialect { |
| /* C++98 with TC1 */ |
| cxx98, |
| cxx03 = cxx98, |
| /* C++11 */ |
| cxx0x, |
| cxx11 = cxx0x, |
| /* C++1y (C++17?) */ |
| cxx1y |
| }; |
| |
| /* The C++ dialect being used. C++98 is the default. */ |
| extern enum cxx_dialect cxx_dialect; |
| |
| /* Maximum template instantiation depth. This limit is rather |
| arbitrary, but it exists to limit the time it takes to notice |
| excessively recursive template instantiations. */ |
| |
| extern int max_tinst_depth; |
| |
| /* Nonzero means that we should not issue warnings about problems that |
| occur when the code is executed, because the code being processed |
| is not expected to be executed. This is set during parsing. This |
| is used for cases like sizeof() and "0 ? a : b". This is a count, |
| not a bool, because unexecuted expressions can nest. */ |
| |
| extern int c_inhibit_evaluation_warnings; |
| |
| /* Whether lexing has been completed, so subsequent preprocessor |
| errors should use the compiler's input_location. */ |
| |
| extern bool done_lexing; |
| |
| /* C types are partitioned into three subsets: object, function, and |
| incomplete types. */ |
| #define C_TYPE_OBJECT_P(type) \ |
| (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) |
| |
| #define C_TYPE_INCOMPLETE_P(type) \ |
| (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) |
| |
| #define C_TYPE_FUNCTION_P(type) \ |
| (TREE_CODE (type) == FUNCTION_TYPE) |
| |
| /* For convenience we define a single macro to identify the class of |
| object or incomplete types. */ |
| #define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ |
| (!C_TYPE_FUNCTION_P (type)) |
| |
| struct visibility_flags |
| { |
| unsigned inpragma : 1; /* True when in #pragma GCC visibility. */ |
| unsigned inlines_hidden : 1; /* True when -finlineshidden in effect. */ |
| }; |
| |
| /* These enumerators are possible types of unsafe conversions. |
| SAFE_CONVERSION The conversion is safe |
| UNSAFE_OTHER Another type of conversion with problems |
| UNSAFE_SIGN Conversion between signed and unsigned integers |
| which are all warned about immediately, so this is unused |
| UNSAFE_REAL Conversions that reduce the precision of reals |
| including conversions from reals to integers |
| */ |
| enum conversion_safety { SAFE_CONVERSION = 0, UNSAFE_OTHER, UNSAFE_SIGN, UNSAFE_REAL }; |
| |
| /* Global visibility options. */ |
| extern struct visibility_flags visibility_options; |
| |
| /* Attribute table common to the C front ends. */ |
| extern const struct attribute_spec c_common_attribute_table[]; |
| extern const struct attribute_spec c_common_format_attribute_table[]; |
| |
| /* Pointer to function to lazily generate the VAR_DECL for __FUNCTION__ etc. |
| ID is the identifier to use, NAME is the string. |
| TYPE_DEP indicates whether it depends on type of the function or not |
| (i.e. __PRETTY_FUNCTION__). */ |
| |
| extern tree (*make_fname_decl) (location_t, tree, int); |
| |
| /* In c-decl.c and cp/tree.c. FIXME. */ |
| extern void c_register_addr_space (const char *str, addr_space_t as); |
| |
| /* In c-common.c. */ |
| extern bool in_late_binary_op; |
| extern const char *c_addr_space_name (addr_space_t as); |
| extern tree identifier_global_value (tree); |
| extern tree c_linkage_bindings (tree); |
| extern void record_builtin_type (enum rid, const char *, tree); |
| extern tree build_void_list_node (void); |
| extern void start_fname_decls (void); |
| extern void finish_fname_decls (void); |
| extern const char *fname_as_string (int); |
| extern tree fname_decl (location_t, unsigned, tree); |
| |
| extern int check_user_alignment (const_tree, bool); |
| extern void check_function_arguments (const_tree, int, tree *); |
| extern void check_function_arguments_recurse (void (*) |
| (void *, tree, |
| unsigned HOST_WIDE_INT), |
| void *, tree, |
| unsigned HOST_WIDE_INT); |
| extern bool check_builtin_function_arguments (tree, int, tree *); |
| extern void check_function_format (tree, int, tree *); |
| extern tree handle_format_attribute (tree *, tree, tree, int, bool *); |
| extern tree handle_format_arg_attribute (tree *, tree, tree, int, bool *); |
| extern bool attribute_takes_identifier_p (const_tree); |
| extern bool c_common_handle_option (size_t, const char *, int, int, location_t, |
| const struct cl_option_handlers *); |
| extern bool default_handle_c_option (size_t, const char *, int); |
| extern tree c_common_type_for_mode (enum machine_mode, int); |
| extern tree c_common_type_for_size (unsigned int, int); |
| extern tree c_common_fixed_point_type_for_size (unsigned int, unsigned int, |
| int, int); |
| extern tree c_common_unsigned_type (tree); |
| extern tree c_common_signed_type (tree); |
| extern tree c_common_signed_or_unsigned_type (int, tree); |
| extern void c_common_init_ts (void); |
| extern tree c_build_bitfield_integer_type (unsigned HOST_WIDE_INT, int); |
| extern enum conversion_safety unsafe_conversion_p (location_t, tree, tree, |
| bool); |
| extern bool decl_with_nonnull_addr_p (const_tree); |
| extern tree c_fully_fold (tree, bool, bool *); |
| extern tree decl_constant_value_for_optimization (tree); |
| extern tree c_wrap_maybe_const (tree, bool); |
| extern tree c_save_expr (tree); |
| extern tree c_common_truthvalue_conversion (location_t, tree); |
| extern void c_apply_type_quals_to_decl (int, tree); |
| extern unsigned int min_align_of_type (tree); |
| extern tree c_sizeof_or_alignof_type (location_t, tree, bool, bool, int); |
| extern tree c_alignof_expr (location_t, tree); |
| /* Print an error message for invalid operands to arith operation CODE. |
| NOP_EXPR is used as a special case (see truthvalue_conversion). */ |
| extern void binary_op_error (location_t, enum tree_code, tree, tree); |
| extern tree fix_string_type (tree); |
| extern void constant_expression_warning (tree); |
| extern void constant_expression_error (tree); |
| extern bool strict_aliasing_warning (tree, tree, tree); |
| extern void sizeof_pointer_memaccess_warning (location_t *, tree, |
| vec<tree, va_gc> *, tree *, |
| bool (*) (tree, tree)); |
| extern void warnings_for_convert_and_check (location_t, tree, tree, tree); |
| extern tree convert_and_check (location_t, tree, tree); |
| extern void overflow_warning (location_t, tree); |
| extern bool warn_if_unused_value (const_tree, location_t); |
| extern void warn_logical_operator (location_t, enum tree_code, tree, |
| enum tree_code, tree, enum tree_code, tree); |
| extern void check_main_parameter_types (tree decl); |
| extern bool c_determine_visibility (tree); |
| extern bool vector_types_compatible_elements_p (tree, tree); |
| extern void mark_valid_location_for_stdc_pragma (bool); |
| extern bool valid_location_for_stdc_pragma_p (void); |
| extern void set_float_const_decimal64 (void); |
| extern void clear_float_const_decimal64 (void); |
| extern bool float_const_decimal64_p (void); |
| |
| extern bool keyword_begins_type_specifier (enum rid); |
| extern bool keyword_is_storage_class_specifier (enum rid); |
| extern bool keyword_is_type_qualifier (enum rid); |
| extern bool keyword_is_decl_specifier (enum rid); |
| extern bool cxx_fundamental_alignment_p (unsigned); |
| extern bool pointer_to_zero_sized_aggr_p (tree); |
| |
| #define c_sizeof(LOC, T) c_sizeof_or_alignof_type (LOC, T, true, false, 1) |
| #define c_alignof(LOC, T) c_sizeof_or_alignof_type (LOC, T, false, false, 1) |
| |
| /* Subroutine of build_binary_op, used for certain operations. */ |
| extern tree shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise); |
| |
| /* Subroutine of build_binary_op, used for comparison operations. |
| See if the operands have both been converted from subword integer types |
| and, if so, perhaps change them both back to their original type. */ |
| extern tree shorten_compare (location_t, tree *, tree *, tree *, |
| enum tree_code *); |
| |
| extern tree pointer_int_sum (location_t, enum tree_code, tree, tree, |
| bool = true); |
| |
| /* Add qualifiers to a type, in the fashion for C. */ |
| extern tree c_build_qualified_type (tree, int); |
| |
| /* Build tree nodes and builtin functions common to both C and C++ language |
| frontends. */ |
| extern void c_common_nodes_and_builtins (void); |
| |
| extern void disable_builtin_function (const char *); |
| |
| extern void set_compound_literal_name (tree decl); |
| |
| extern tree build_va_arg (location_t, tree, tree); |
| |
| extern const unsigned int c_family_lang_mask; |
| extern unsigned int c_common_option_lang_mask (void); |
| extern void c_common_initialize_diagnostics (diagnostic_context *); |
| extern bool c_common_complain_wrong_lang_p (const struct cl_option *); |
| extern void c_common_init_options_struct (struct gcc_options *); |
| extern void c_common_init_options (unsigned int, struct cl_decoded_option *); |
| extern bool c_common_post_options (const char **); |
| extern bool c_common_init (void); |
| extern void c_common_finish (void); |
| extern void c_common_parse_file (void); |
| extern alias_set_type c_common_get_alias_set (tree); |
| extern void c_register_builtin_type (tree, const char*); |
| extern bool c_promoting_integer_type_p (const_tree); |
| extern int self_promoting_args_p (const_tree); |
| extern tree strip_pointer_operator (tree); |
| extern tree strip_pointer_or_array_types (tree); |
| extern HOST_WIDE_INT c_common_to_target_charset (HOST_WIDE_INT); |
| |
| /* This is the basic parsing function. */ |
| extern void c_parse_file (void); |
| |
| extern void warn_for_omitted_condop (location_t, tree); |
| |
| /* These macros provide convenient access to the various _STMT nodes. */ |
| |
| /* Nonzero if a given STATEMENT_LIST represents the outermost binding |
| if a statement expression. */ |
| #define STATEMENT_LIST_STMT_EXPR(NODE) \ |
| TREE_LANG_FLAG_1 (STATEMENT_LIST_CHECK (NODE)) |
| |
| /* Nonzero if a label has been added to the statement list. */ |
| #define STATEMENT_LIST_HAS_LABEL(NODE) \ |
| TREE_LANG_FLAG_3 (STATEMENT_LIST_CHECK (NODE)) |
| |
| /* C_MAYBE_CONST_EXPR accessors. */ |
| #define C_MAYBE_CONST_EXPR_PRE(NODE) \ |
| TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 0) |
| #define C_MAYBE_CONST_EXPR_EXPR(NODE) \ |
| TREE_OPERAND (C_MAYBE_CONST_EXPR_CHECK (NODE), 1) |
| #define C_MAYBE_CONST_EXPR_INT_OPERANDS(NODE) \ |
| TREE_LANG_FLAG_0 (C_MAYBE_CONST_EXPR_CHECK (NODE)) |
| #define C_MAYBE_CONST_EXPR_NON_CONST(NODE) \ |
| TREE_LANG_FLAG_1 (C_MAYBE_CONST_EXPR_CHECK (NODE)) |
| #define EXPR_INT_CONST_OPERANDS(EXPR) \ |
| (INTEGRAL_TYPE_P (TREE_TYPE (EXPR)) \ |
| && (TREE_CODE (EXPR) == INTEGER_CST \ |
| || (TREE_CODE (EXPR) == C_MAYBE_CONST_EXPR \ |
| && C_MAYBE_CONST_EXPR_INT_OPERANDS (EXPR)))) |
| |
| /* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ |
| #define DECL_C_BIT_FIELD(NODE) \ |
| (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) == 1) |
| #define SET_DECL_C_BIT_FIELD(NODE) \ |
| (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 1) |
| #define CLEAR_DECL_C_BIT_FIELD(NODE) \ |
| (DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0) |
| |
| extern tree do_case (location_t, tree, tree); |
| extern tree build_stmt (location_t, enum tree_code, ...); |
| extern tree build_real_imag_expr (location_t, enum tree_code, tree); |
| |
| /* These functions must be defined by each front-end which implements |
| a variant of the C language. They are used in c-common.c. */ |
| |
| extern tree build_unary_op (location_t, enum tree_code, tree, int); |
| extern tree build_binary_op (location_t, enum tree_code, tree, tree, int); |
| extern tree perform_integral_promotions (tree); |
| |
| /* These functions must be defined by each front-end which implements |
| a variant of the C language. They are used by port files. */ |
| |
| extern tree default_conversion (tree); |
| |
| /* Given two integer or real types, return the type for their sum. |
| Given two compatible ANSI C types, returns the merged type. */ |
| |
| extern tree common_type (tree, tree); |
| |
| extern tree decl_constant_value (tree); |
| |
| /* Handle increment and decrement of boolean types. */ |
| extern tree boolean_increment (enum tree_code, tree); |
| |
| extern int case_compare (splay_tree_key, splay_tree_key); |
| |
| extern tree c_add_case_label (location_t, splay_tree, tree, tree, tree, tree); |
| |
| extern void c_do_switch_warnings (splay_tree, location_t, tree, tree); |
| |
| extern tree build_function_call (location_t, tree, tree); |
| |
| extern tree build_function_call_vec (location_t, vec<location_t>, tree, |
| vec<tree, va_gc> *, vec<tree, va_gc> *); |
| |
| extern tree resolve_overloaded_builtin (location_t, tree, vec<tree, va_gc> *); |
| |
| extern tree finish_label_address_expr (tree, location_t); |
| |
| /* Same function prototype, but the C and C++ front ends have |
| different implementations. Used in c-common.c. */ |
| extern tree lookup_label (tree); |
| extern tree lookup_name (tree); |
| extern bool lvalue_p (const_tree); |
| |
| extern bool vector_targets_convertible_p (const_tree t1, const_tree t2); |
| extern bool vector_types_convertible_p (const_tree t1, const_tree t2, bool emit_lax_note); |
| extern tree c_build_vec_perm_expr (location_t, tree, tree, tree, bool = true); |
| |
| extern void init_c_lex (void); |
| |
| extern void c_cpp_builtins (cpp_reader *); |
| extern void c_cpp_builtins_optimize_pragma (cpp_reader *, tree, tree); |
| extern bool c_cpp_error (cpp_reader *, int, int, location_t, unsigned int, |
| const char *, va_list *) |
| ATTRIBUTE_GCC_DIAG(6,0); |
| |
| extern bool parse_optimize_options (tree, bool); |
| |
| /* Positive if an implicit `extern "C"' scope has just been entered; |
| negative if such a scope has just been exited. */ |
| extern GTY(()) int pending_lang_change; |
| |
| /* Information recorded about each file examined during compilation. */ |
| |
| struct c_fileinfo |
| { |
| int time; /* Time spent in the file. */ |
| |
| /* Flags used only by C++. |
| INTERFACE_ONLY nonzero means that we are in an "interface" section |
| of the compiler. INTERFACE_UNKNOWN nonzero means we cannot trust |
| the value of INTERFACE_ONLY. If INTERFACE_UNKNOWN is zero and |
| INTERFACE_ONLY is zero, it means that we are responsible for |
| exporting definitions that others might need. */ |
| short interface_only; |
| short interface_unknown; |
| }; |
| |
| struct c_fileinfo *get_fileinfo (const char *); |
| extern void dump_time_statistics (void); |
| |
| extern bool c_dump_tree (void *, tree); |
| |
| extern void verify_sequence_points (tree); |
| |
| extern tree fold_offsetof_1 (tree); |
| extern tree fold_offsetof (tree); |
| |
| /* Places where an lvalue, or modifiable lvalue, may be required. |
| Used to select diagnostic messages in lvalue_error and |
| readonly_error. */ |
| enum lvalue_use { |
| lv_assign, |
| lv_increment, |
| lv_decrement, |
| lv_addressof, |
| lv_asm |
| }; |
| |
| extern void readonly_error (location_t, tree, enum lvalue_use); |
| extern void lvalue_error (location_t, enum lvalue_use); |
| extern void invalid_indirection_error (location_t, tree, ref_operator); |
| |
| extern int complete_array_type (tree *, tree, bool); |
| |
| extern tree builtin_type_for_size (int, bool); |
| |
| extern void c_common_mark_addressable_vec (tree); |
| |
| extern void warn_array_subscript_with_type_char (tree); |
| extern void warn_about_parentheses (location_t, |
| enum tree_code, |
| enum tree_code, tree, |
| enum tree_code, tree); |
| extern void warn_for_unused_label (tree label); |
| extern void warn_for_div_by_zero (location_t, tree divisor); |
| extern void warn_for_sign_compare (location_t, |
| tree orig_op0, tree orig_op1, |
| tree op0, tree op1, |
| tree result_type, |
| enum tree_code resultcode); |
| extern void do_warn_double_promotion (tree, tree, tree, const char *, |
| location_t); |
| extern void set_underlying_type (tree); |
| extern void record_locally_defined_typedef (tree); |
| extern void maybe_record_typedef_use (tree); |
| extern void maybe_warn_unused_local_typedefs (void); |
| extern vec<tree, va_gc> *make_tree_vector (void); |
| extern void release_tree_vector (vec<tree, va_gc> *); |
| extern vec<tree, va_gc> *make_tree_vector_single (tree); |
| extern vec<tree, va_gc> *make_tree_vector_from_list (tree); |
| extern vec<tree, va_gc> *make_tree_vector_copy (const vec<tree, va_gc> *); |
| |
| /* In c-gimplify.c */ |
| extern void c_genericize (tree); |
| extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *); |
| extern tree c_build_bind_expr (location_t, tree, tree); |
| |
| /* In c-pch.c */ |
| extern void pch_init (void); |
| extern void pch_cpp_save_state (void); |
| extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd); |
| extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd, |
| const char *orig); |
| extern void c_common_write_pch (void); |
| extern void c_common_no_more_pch (void); |
| extern void c_common_pch_pragma (cpp_reader *pfile, const char *); |
| |
| /* In *-checksum.c */ |
| extern const unsigned char executable_checksum[16]; |
| |
| /* In c-cppbuiltin.c */ |
| extern void builtin_define_std (const char *macro); |
| extern void builtin_define_with_value (const char *, const char *, int); |
| extern void c_stddef_cpp_builtins (void); |
| extern void fe_file_change (const struct line_map *); |
| extern void c_parse_error (const char *, enum cpp_ttype, tree, unsigned char); |
| |
| /* In c-ppoutput.c */ |
| extern void init_pp_output (FILE *); |
| extern void preprocess_file (cpp_reader *); |
| extern void pp_file_change (const struct line_map *); |
| extern void pp_dir_change (cpp_reader *, const char *); |
| extern bool check_missing_format_attribute (tree, tree); |
| |
| /* In c-omp.c */ |
| #if HOST_BITS_PER_WIDE_INT >= 64 |
| typedef unsigned HOST_WIDE_INT omp_clause_mask; |
| # define OMP_CLAUSE_MASK_1 ((omp_clause_mask) 1) |
| #else |
| struct omp_clause_mask |
| { |
| inline omp_clause_mask (); |
| inline omp_clause_mask (unsigned HOST_WIDE_INT l); |
| inline omp_clause_mask (unsigned HOST_WIDE_INT l, |
| unsigned HOST_WIDE_INT h); |
| inline omp_clause_mask &operator &= (omp_clause_mask); |
| inline omp_clause_mask &operator |= (omp_clause_mask); |
| inline omp_clause_mask operator ~ () const; |
| inline omp_clause_mask operator & (omp_clause_mask) const; |
| inline omp_clause_mask operator | (omp_clause_mask) const; |
| inline omp_clause_mask operator >> (int); |
| inline omp_clause_mask operator << (int); |
| inline bool operator == (omp_clause_mask) const; |
| inline bool operator != (omp_clause_mask) const; |
| unsigned HOST_WIDE_INT low, high; |
| }; |
| |
| inline |
| omp_clause_mask::omp_clause_mask () |
| { |
| } |
| |
| inline |
| omp_clause_mask::omp_clause_mask (unsigned HOST_WIDE_INT l) |
| : low (l), high (0) |
| { |
| } |
| |
| inline |
| omp_clause_mask::omp_clause_mask (unsigned HOST_WIDE_INT l, |
| unsigned HOST_WIDE_INT h) |
| : low (l), high (h) |
| { |
| } |
| |
| inline omp_clause_mask & |
| omp_clause_mask::operator &= (omp_clause_mask b) |
| { |
| low &= b.low; |
| high &= b.high; |
| return *this; |
| } |
| |
| inline omp_clause_mask & |
| omp_clause_mask::operator |= (omp_clause_mask b) |
| { |
| low |= b.low; |
| high |= b.high; |
| return *this; |
| } |
| |
| inline omp_clause_mask |
| omp_clause_mask::operator ~ () const |
| { |
| omp_clause_mask ret (~low, ~high); |
| return ret; |
| } |
| |
| inline omp_clause_mask |
| omp_clause_mask::operator | (omp_clause_mask b) const |
| { |
| omp_clause_mask ret (low | b.low, high | b.high); |
| return ret; |
| } |
| |
| inline omp_clause_mask |
| omp_clause_mask::operator & (omp_clause_mask b) const |
| { |
| omp_clause_mask ret (low & b.low, high & b.high); |
| return ret; |
| } |
| |
| inline omp_clause_mask |
| omp_clause_mask::operator << (int amount) |
| { |
| omp_clause_mask ret; |
| if (amount >= HOST_BITS_PER_WIDE_INT) |
| { |
| ret.low = 0; |
| ret.high = low << (amount - HOST_BITS_PER_WIDE_INT); |
| } |
| else if (amount == 0) |
| ret = *this; |
| else |
| { |
| ret.low = low << amount; |
| ret.high = (low >> (HOST_BITS_PER_WIDE_INT - amount)) |
| | (high << amount); |
| } |
| return ret; |
| } |
| |
| inline omp_clause_mask |
| omp_clause_mask::operator >> (int amount) |
| { |
| omp_clause_mask ret; |
| if (amount >= HOST_BITS_PER_WIDE_INT) |
| { |
| ret.low = high >> (amount - HOST_BITS_PER_WIDE_INT); |
| ret.high = 0; |
| } |
| else if (amount == 0) |
| ret = *this; |
| else |
| { |
| ret.low = (high << (HOST_BITS_PER_WIDE_INT - amount)) |
| | (low >> amount); |
| ret.high = high >> amount; |
| } |
| return ret; |
| } |
| |
| inline bool |
| omp_clause_mask::operator == (omp_clause_mask b) const |
| { |
| return low == b.low && high == b.high; |
| } |
| |
| inline bool |
| omp_clause_mask::operator != (omp_clause_mask b) const |
| { |
| return low != b.low || high != b.high; |
| } |
| |
| # define OMP_CLAUSE_MASK_1 omp_clause_mask (1) |
| #endif |
| |
| enum c_omp_clause_split |
| { |
| C_OMP_CLAUSE_SPLIT_TARGET = 0, |
| C_OMP_CLAUSE_SPLIT_TEAMS, |
| C_OMP_CLAUSE_SPLIT_DISTRIBUTE, |
| C_OMP_CLAUSE_SPLIT_PARALLEL, |
| C_OMP_CLAUSE_SPLIT_FOR, |
| C_OMP_CLAUSE_SPLIT_SIMD, |
| C_OMP_CLAUSE_SPLIT_COUNT, |
| C_OMP_CLAUSE_SPLIT_SECTIONS = C_OMP_CLAUSE_SPLIT_FOR |
| }; |
| |
| extern tree c_finish_omp_master (location_t, tree); |
| extern tree c_finish_omp_taskgroup (location_t, tree); |
| extern tree c_finish_omp_critical (location_t, tree, tree); |
| extern tree c_finish_omp_ordered (location_t, tree); |
| extern void c_finish_omp_barrier (location_t); |
| extern tree c_finish_omp_atomic (location_t, enum tree_code, enum tree_code, |
| tree, tree, tree, tree, tree, bool, bool); |
| extern void c_finish_omp_flush (location_t); |
| extern void c_finish_omp_taskwait (location_t); |
| extern void c_finish_omp_taskyield (location_t); |
| extern tree c_finish_omp_for (location_t, enum tree_code, tree, tree, tree, |
| tree, tree, tree); |
| extern void c_omp_split_clauses (location_t, enum tree_code, omp_clause_mask, |
| tree, tree *); |
| extern tree c_omp_declare_simd_clauses_to_numbers (tree, tree); |
| extern void c_omp_declare_simd_clauses_to_decls (tree, tree); |
| extern enum omp_clause_default_kind c_omp_predetermined_sharing (tree); |
| |
| /* Not in c-omp.c; provided by the front end. */ |
| extern bool c_omp_sharing_predetermined (tree); |
| extern tree c_omp_remap_decl (tree, bool); |
| extern void record_types_used_by_current_var_decl (tree); |
| |
| /* Return next tree in the chain for chain_next walking of tree nodes. */ |
| static inline tree |
| c_tree_chain_next (tree t) |
| { |
| /* TREE_CHAIN of a type is TYPE_STUB_DECL, which is different |
| kind of object, never a long chain of nodes. Prefer |
| TYPE_NEXT_VARIANT for types. */ |
| if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_TYPE_COMMON)) |
| return TYPE_NEXT_VARIANT (t); |
| /* Otherwise, if there is TREE_CHAIN, return it. */ |
| if (CODE_CONTAINS_STRUCT (TREE_CODE (t), TS_COMMON)) |
| return TREE_CHAIN (t); |
| return NULL; |
| } |
| |
| /* Mask used by tm_stmt_attr. */ |
| #define TM_STMT_ATTR_OUTER 2 |
| #define TM_STMT_ATTR_ATOMIC 4 |
| #define TM_STMT_ATTR_RELAXED 8 |
| |
| extern int parse_tm_stmt_attr (tree, int); |
| |
| /* Mask used by tm_attr_to_mask and tm_mask_to_attr. Note that these |
| are ordered specifically such that more restrictive attributes are |
| at lower bit positions. This fact is known by the C++ tm attribute |
| inheritance code such that least bit extraction (mask & -mask) results |
| in the most restrictive attribute. */ |
| #define TM_ATTR_SAFE 1 |
| #define TM_ATTR_CALLABLE 2 |
| #define TM_ATTR_PURE 4 |
| #define TM_ATTR_IRREVOCABLE 8 |
| #define TM_ATTR_MAY_CANCEL_OUTER 16 |
| |
| extern int tm_attr_to_mask (tree); |
| extern tree tm_mask_to_attr (int); |
| extern tree find_tm_attribute (tree); |
| |
| /* A suffix-identifier value doublet that represents user-defined literals |
| for C++-0x. */ |
| enum overflow_type { |
| OT_UNDERFLOW = -1, |
| OT_NONE, |
| OT_OVERFLOW |
| }; |
| |
| struct GTY(()) tree_userdef_literal { |
| struct tree_base base; |
| tree suffix_id; |
| tree value; |
| tree num_string; |
| enum overflow_type overflow; |
| }; |
| |
| #define USERDEF_LITERAL_SUFFIX_ID(NODE) \ |
| (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->suffix_id) |
| |
| #define USERDEF_LITERAL_VALUE(NODE) \ |
| (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->value) |
| |
| #define USERDEF_LITERAL_OVERFLOW(NODE) \ |
| (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->overflow) |
| |
| #define USERDEF_LITERAL_NUM_STRING(NODE) \ |
| (((struct tree_userdef_literal *)USERDEF_LITERAL_CHECK (NODE))->num_string) |
| |
| #define USERDEF_LITERAL_TYPE(NODE) \ |
| (TREE_TYPE (USERDEF_LITERAL_VALUE (NODE))) |
| |
| extern tree build_userdef_literal (tree suffix_id, tree value, |
| enum overflow_type overflow, |
| tree num_string); |
| |
| extern void convert_vector_to_pointer_for_subscript (location_t, tree*, tree); |
| |
| /* Possibe cases of scalar_to_vector conversion. */ |
| enum stv_conv { |
| stv_error, /* Error occurred. */ |
| stv_nothing, /* Nothing happened. */ |
| stv_firstarg, /* First argument must be expanded. */ |
| stv_secondarg /* Second argument must be expanded. */ |
| }; |
| |
| extern enum stv_conv scalar_to_vector (location_t loc, enum tree_code code, |
| tree op0, tree op1, bool); |
| |
| /* In c-cilkplus.c */ |
| extern tree c_finish_cilk_clauses (tree); |
| extern tree c_validate_cilk_plus_loop (tree *, int *, void *); |
| extern bool c_check_cilk_loop (location_t, tree); |
| |
| /* These #defines allow users to access different operands of the |
| array notation tree. */ |
| |
| #define ARRAY_NOTATION_CHECK(NODE) TREE_CHECK (NODE, ARRAY_NOTATION_REF) |
| #define ARRAY_NOTATION_ARRAY(NODE) \ |
| TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 0) |
| #define ARRAY_NOTATION_START(NODE) \ |
| TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 1) |
| #define ARRAY_NOTATION_LENGTH(NODE) \ |
| TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 2) |
| #define ARRAY_NOTATION_STRIDE(NODE) \ |
| TREE_OPERAND (ARRAY_NOTATION_CHECK (NODE), 3) |
| |
| /* This structure holds all the scalar values and its appropriate variable |
| replacment. It is mainly used by the function that pulls all the invariant |
| parts that should be executed only once, which comes with array notation |
| expressions. */ |
| struct inv_list |
| { |
| vec<tree, va_gc> *list_values; |
| vec<tree, va_gc> *replacement; |
| vec<enum tree_code, va_gc> *additional_tcodes; |
| }; |
| |
| /* This structure holds all the important components that can be extracted |
| from an ARRAY_NOTATION_REF expression. It is used to pass array notation |
| information between the functions that are responsible for expansion. */ |
| typedef struct cilkplus_an_parts |
| { |
| tree value; |
| tree start; |
| tree length; |
| tree stride; |
| bool is_vector; |
| } an_parts; |
| |
| /* This structure holds the components necessary to create the loop around |
| the ARRAY_REF that is created using the ARRAY_NOTATION information. */ |
| |
| typedef struct cilkplus_an_loop_parts |
| { |
| tree var; /* Loop induction variable. */ |
| tree incr; /* Loop increment/decrement expression. */ |
| tree cmp; /* Loop condition. */ |
| tree ind_init; /* Initialization of the loop induction variable. */ |
| } an_loop_parts; |
| |
| /* In array-notation-common.c. */ |
| extern HOST_WIDE_INT extract_sec_implicit_index_arg (location_t, tree); |
| extern bool is_sec_implicit_index_fn (tree); |
| extern void array_notation_init_builtins (void); |
| extern struct c_expr fix_array_notation_expr (location_t, enum tree_code, |
| struct c_expr); |
| extern bool contains_array_notation_expr (tree); |
| extern tree expand_array_notation_exprs (tree); |
| extern tree fix_conditional_array_notations (tree); |
| extern tree find_correct_array_notation_type (tree); |
| extern bool length_mismatch_in_expr_p (location_t, vec<vec<an_parts> >); |
| extern enum built_in_function is_cilkplus_reduce_builtin (tree); |
| extern bool find_rank (location_t, tree, tree, bool, size_t *); |
| extern void extract_array_notation_exprs (tree, bool, vec<tree, va_gc> **); |
| extern void replace_array_notations (tree *, bool, vec<tree, va_gc> *, |
| vec<tree, va_gc> *); |
| extern tree find_inv_trees (tree *, int *, void *); |
| extern tree replace_inv_trees (tree *, int *, void *); |
| extern tree find_correct_array_notation_type (tree op); |
| extern void cilkplus_extract_an_triplets (vec<tree, va_gc> *, size_t, size_t, |
| vec<vec<an_parts> > *); |
| extern vec <tree, va_gc> *fix_sec_implicit_args |
| (location_t, vec <tree, va_gc> *, vec<an_loop_parts>, size_t, tree); |
| |
| /* In cilk.c. */ |
| extern tree insert_cilk_frame (tree); |
| extern void cilk_init_builtins (void); |
| extern int gimplify_cilk_spawn (tree *); |
| extern void cilk_install_body_with_frame_cleanup (tree, tree, void *); |
| extern bool cilk_detect_spawn_and_unwrap (tree *); |
| extern bool cilk_set_spawn_marker (location_t, tree); |
| extern tree build_cilk_sync (void); |
| extern tree build_cilk_spawn (location_t, tree); |
| extern tree make_cilk_frame (tree); |
| extern tree create_cilk_function_exit (tree, bool, bool); |
| extern tree cilk_install_body_pedigree_operations (tree); |
| extern void cilk_outline (tree, tree *, void *); |
| extern bool contains_cilk_spawn_stmt (tree); |
| #endif /* ! GCC_C_COMMON_H */ |