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/* gfortran header file Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. Contributed by Andy Vaught 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_GFORTRAN_H #define GCC_GFORTRAN_H /* It's probably insane to have this large of a header file, but it seemed like everything had to be recompiled anyway when a change was made to a header file, and there were ordering issues with multiple header files. Besides, Microsoft's winnt.h was 250k last time I looked, so by comparison this is perfectly reasonable. */ /* Declarations common to the front-end and library are put in libgfortran/libgfortran_frontend.h */ #include "libgfortran.h" #include "intl.h" #include "coretypes.h" #include "input.h" #include "splay-tree.h" /* Major control parameters. */ #define GFC_MAX_SYMBOL_LEN 63 /* Must be at least 63 for F2003. */ #define GFC_MAX_LINE 132 /* Characters beyond this are not seen. */ #define GFC_LETTERS 26 /* Number of letters in the alphabet. */ #define MAX_SUBRECORD_LENGTH 2147483639 /* 2**31-9 */ #define gfc_is_whitespace(c) ((c==' ') || (c=='\t')) /* Stringization. */ #define stringize(x) expand_macro(x) #define expand_macro(x) # x /* For the runtime library, a standard prefix is a requirement to avoid cluttering the namespace with things nobody asked for. It's ugly to look at and a pain to type when you add the prefix by hand, so we hide it behind a macro. */ #define PREFIX(x) "_gfortran_" x #define PREFIX_LEN 10 #define BLANK_COMMON_NAME "__BLNK__" /* Macro to initialize an mstring structure. */ #define minit(s, t) { s, NULL, t } /* Structure for storing strings to be matched by gfc_match_string. */ typedef struct { const char *string; const char *mp; int tag; } mstring; /*************************** Enums *****************************/ /* Used when matching and resolving data I/O transfer statements. */ typedef enum { M_READ, M_WRITE, M_PRINT, M_INQUIRE } io_kind; /* The author remains confused to this day about the convention of returning '0' for 'SUCCESS'... or was it the other way around? The following enum makes things much more readable. We also start values off at one instead of zero. */ typedef enum { SUCCESS = 1, FAILURE } gfc_try; /* These are flags for identifying whether we are reading a character literal between quotes or normal source code. */ typedef enum { NONSTRING = 0, INSTRING_WARN, INSTRING_NOWARN } gfc_instring; /* This is returned by gfc_notification_std to know if, given the flags that were given (-std=, -pedantic) we should issue an error, a warning or nothing. */ typedef enum { SILENT, WARNING, ERROR } notification; /* Matchers return one of these three values. The difference between MATCH_NO and MATCH_ERROR is that MATCH_ERROR means that a match was successful, but that something non-syntactic is wrong and an error has already been issued. */ typedef enum { MATCH_NO = 1, MATCH_YES, MATCH_ERROR } match; /* Used for different Fortran source forms in places like scanner.c. */ typedef enum { FORM_FREE, FORM_FIXED, FORM_UNKNOWN } gfc_source_form; /* Expression node types. */ typedef enum { EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE, EXPR_SUBSTRING, EXPR_STRUCTURE, EXPR_ARRAY, EXPR_NULL, EXPR_COMPCALL, EXPR_PPC } expr_t; /* Array types. */ typedef enum { AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED, AS_ASSUMED_SIZE, AS_IMPLIED_SHAPE, AS_UNKNOWN } array_type; typedef enum { AR_FULL = 1, AR_ELEMENT, AR_SECTION, AR_UNKNOWN } ar_type; /* Statement label types. */ typedef enum { ST_LABEL_UNKNOWN = 1, ST_LABEL_TARGET, ST_LABEL_BAD_TARGET, ST_LABEL_FORMAT } gfc_sl_type; /* Intrinsic operators. */ typedef enum { GFC_INTRINSIC_BEGIN = 0, INTRINSIC_NONE = -1, INTRINSIC_UPLUS = GFC_INTRINSIC_BEGIN, INTRINSIC_UMINUS, INTRINSIC_PLUS, INTRINSIC_MINUS, INTRINSIC_TIMES, INTRINSIC_DIVIDE, INTRINSIC_POWER, INTRINSIC_CONCAT, INTRINSIC_AND, INTRINSIC_OR, INTRINSIC_EQV, INTRINSIC_NEQV, /* ==, /=, >, >=, <, <= */ INTRINSIC_EQ, INTRINSIC_NE, INTRINSIC_GT, INTRINSIC_GE, INTRINSIC_LT, INTRINSIC_LE, /* .EQ., .NE., .GT., .GE., .LT., .LE. (OS = Old-Style) */ INTRINSIC_EQ_OS, INTRINSIC_NE_OS, INTRINSIC_GT_OS, INTRINSIC_GE_OS, INTRINSIC_LT_OS, INTRINSIC_LE_OS, INTRINSIC_NOT, INTRINSIC_USER, INTRINSIC_ASSIGN, INTRINSIC_PARENTHESES, GFC_INTRINSIC_END /* Sentinel */ } gfc_intrinsic_op; /* This macro is the number of intrinsic operators that exist. Assumptions are made about the numbering of the interface_op enums. */ #define GFC_INTRINSIC_OPS GFC_INTRINSIC_END /* Arithmetic results. */ typedef enum { ARITH_OK = 1, ARITH_OVERFLOW, ARITH_UNDERFLOW, ARITH_NAN, ARITH_DIV0, ARITH_INCOMMENSURATE, ARITH_ASYMMETRIC, ARITH_PROHIBIT } arith; /* Statements. */ typedef enum { ST_ARITHMETIC_IF, ST_ALLOCATE, ST_ATTR_DECL, ST_ASSOCIATE, ST_BACKSPACE, ST_BLOCK, ST_BLOCK_DATA, ST_CALL, ST_CASE, ST_CLOSE, ST_COMMON, ST_CONTINUE, ST_CONTAINS, ST_CYCLE, ST_DATA, ST_DATA_DECL, ST_DEALLOCATE, ST_DO, ST_ELSE, ST_ELSEIF, ST_ELSEWHERE, ST_END_ASSOCIATE, ST_END_BLOCK, ST_END_BLOCK_DATA, ST_ENDDO, ST_IMPLIED_ENDDO, ST_END_FILE, ST_FINAL, ST_FLUSH, ST_END_FORALL, ST_END_FUNCTION, ST_ENDIF, ST_END_INTERFACE, ST_END_MODULE, ST_END_PROGRAM, ST_END_SELECT, ST_END_SUBROUTINE, ST_END_WHERE, ST_END_TYPE, ST_ENTRY, ST_EQUIVALENCE, ST_ERROR_STOP, ST_EXIT, ST_FORALL, ST_FORALL_BLOCK, ST_FORMAT, ST_FUNCTION, ST_GOTO, ST_IF_BLOCK, ST_IMPLICIT, ST_IMPLICIT_NONE, ST_IMPORT, ST_INQUIRE, ST_INTERFACE, ST_SYNC_ALL, ST_SYNC_MEMORY, ST_SYNC_IMAGES, ST_PARAMETER, ST_MODULE, ST_MODULE_PROC, ST_NAMELIST, ST_NULLIFY, ST_OPEN, ST_PAUSE, ST_PRIVATE, ST_PROGRAM, ST_PUBLIC, ST_READ, ST_RETURN, ST_REWIND, ST_STOP, ST_SUBROUTINE, ST_TYPE, ST_USE, ST_WHERE_BLOCK, ST_WHERE, ST_WAIT, ST_WRITE, ST_ASSIGNMENT, ST_POINTER_ASSIGNMENT, ST_SELECT_CASE, ST_SEQUENCE, ST_SIMPLE_IF, ST_STATEMENT_FUNCTION, ST_DERIVED_DECL, ST_LABEL_ASSIGNMENT, ST_ENUM, ST_ENUMERATOR, ST_END_ENUM, ST_SELECT_TYPE, ST_TYPE_IS, ST_CLASS_IS, ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL, ST_OMP_END_ATOMIC, ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER, ST_OMP_END_ORDERED, ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO, ST_OMP_END_PARALLEL_SECTIONS, ST_OMP_END_PARALLEL_WORKSHARE, ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE, ST_OMP_END_WORKSHARE, ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED, ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS, ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION, ST_OMP_SINGLE, ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE, ST_OMP_TASK, ST_OMP_END_TASK, ST_OMP_TASKWAIT, ST_OMP_TASKYIELD, ST_PROCEDURE, ST_GENERIC, ST_CRITICAL, ST_END_CRITICAL, ST_GET_FCN_CHARACTERISTICS, ST_LOCK, ST_UNLOCK, ST_NONE } gfc_statement; /* Types of interfaces that we can have. Assignment interfaces are considered to be intrinsic operators. */ typedef enum { INTERFACE_NAMELESS = 1, INTERFACE_GENERIC, INTERFACE_INTRINSIC_OP, INTERFACE_USER_OP, INTERFACE_ABSTRACT } interface_type; /* Symbol flavors: these are all mutually exclusive. 10 elements = 4 bits. */ typedef enum sym_flavor { FL_UNKNOWN = 0, FL_PROGRAM, FL_BLOCK_DATA, FL_MODULE, FL_VARIABLE, FL_PARAMETER, FL_LABEL, FL_PROCEDURE, FL_DERIVED, FL_NAMELIST, FL_VOID } sym_flavor; /* Procedure types. 7 elements = 3 bits. */ typedef enum procedure_type { PROC_UNKNOWN, PROC_MODULE, PROC_INTERNAL, PROC_DUMMY, PROC_INTRINSIC, PROC_ST_FUNCTION, PROC_EXTERNAL } procedure_type; /* Intent types. */ typedef enum sym_intent { INTENT_UNKNOWN = 0, INTENT_IN, INTENT_OUT, INTENT_INOUT } sym_intent; /* Access types. */ typedef enum gfc_access { ACCESS_UNKNOWN = 0, ACCESS_PUBLIC, ACCESS_PRIVATE } gfc_access; /* Flags to keep track of where an interface came from. 3 elements = 2 bits. */ typedef enum ifsrc { IFSRC_UNKNOWN = 0, /* Interface unknown, only return type may be known. */ IFSRC_DECL, /* FUNCTION or SUBROUTINE declaration. */ IFSRC_IFBODY /* INTERFACE statement or PROCEDURE statement with explicit interface. */ } ifsrc; /* Whether a SAVE attribute was set explicitly or implicitly. */ typedef enum save_state { SAVE_NONE = 0, SAVE_EXPLICIT, SAVE_IMPLICIT } save_state; /* Strings for all symbol attributes. We use these for dumping the parse tree, in error messages, and also when reading and writing modules. In symbol.c. */ extern const mstring flavors[]; extern const mstring procedures[]; extern const mstring intents[]; extern const mstring access_types[]; extern const mstring ifsrc_types[]; extern const mstring save_status[]; /* Enumeration of all the generic intrinsic functions. Used by the backend for identification of a function. */ enum gfc_isym_id { /* GFC_ISYM_NONE is used for intrinsics which will never be seen by the backend (e.g. KIND). */ GFC_ISYM_NONE = 0, GFC_ISYM_ABORT, GFC_ISYM_ABS, GFC_ISYM_ACCESS, GFC_ISYM_ACHAR, GFC_ISYM_ACOS, GFC_ISYM_ACOSH, GFC_ISYM_ADJUSTL, GFC_ISYM_ADJUSTR, GFC_ISYM_AIMAG, GFC_ISYM_AINT, GFC_ISYM_ALARM, GFC_ISYM_ALL, GFC_ISYM_ALLOCATED, GFC_ISYM_AND, GFC_ISYM_ANINT, GFC_ISYM_ANY, GFC_ISYM_ASIN, GFC_ISYM_ASINH, GFC_ISYM_ASSOCIATED, GFC_ISYM_ATAN, GFC_ISYM_ATAN2, GFC_ISYM_ATANH, GFC_ISYM_ATOMIC_DEF, GFC_ISYM_ATOMIC_REF, GFC_ISYM_BGE, GFC_ISYM_BGT, GFC_ISYM_BIT_SIZE, GFC_ISYM_BLE, GFC_ISYM_BLT, GFC_ISYM_BTEST, GFC_ISYM_CEILING, GFC_ISYM_CHAR, GFC_ISYM_CHDIR, GFC_ISYM_CHMOD, GFC_ISYM_CMPLX, GFC_ISYM_COMMAND_ARGUMENT_COUNT, GFC_ISYM_COMPILER_OPTIONS, GFC_ISYM_COMPILER_VERSION, GFC_ISYM_COMPLEX, GFC_ISYM_CONJG, GFC_ISYM_CONVERSION, GFC_ISYM_COS, GFC_ISYM_COSH, GFC_ISYM_COUNT, GFC_ISYM_CPU_TIME, GFC_ISYM_CSHIFT, GFC_ISYM_CTIME, GFC_ISYM_C_SIZEOF, GFC_ISYM_DATE_AND_TIME, GFC_ISYM_DBLE, GFC_ISYM_DIGITS, GFC_ISYM_DIM, GFC_ISYM_DOT_PRODUCT, GFC_ISYM_DPROD, GFC_ISYM_DSHIFTL, GFC_ISYM_DSHIFTR, GFC_ISYM_DTIME, GFC_ISYM_EOSHIFT, GFC_ISYM_EPSILON, GFC_ISYM_ERF, GFC_ISYM_ERFC, GFC_ISYM_ERFC_SCALED, GFC_ISYM_ETIME, GFC_ISYM_EXECUTE_COMMAND_LINE, GFC_ISYM_EXIT, GFC_ISYM_EXP, GFC_ISYM_EXPONENT, GFC_ISYM_EXTENDS_TYPE_OF, GFC_ISYM_FDATE, GFC_ISYM_FGET, GFC_ISYM_FGETC, GFC_ISYM_FLOOR, GFC_ISYM_FLUSH, GFC_ISYM_FNUM, GFC_ISYM_FPUT, GFC_ISYM_FPUTC, GFC_ISYM_FRACTION, GFC_ISYM_FREE, GFC_ISYM_FSEEK, GFC_ISYM_FSTAT, GFC_ISYM_FTELL, GFC_ISYM_TGAMMA, GFC_ISYM_GERROR, GFC_ISYM_GETARG, GFC_ISYM_GET_COMMAND, GFC_ISYM_GET_COMMAND_ARGUMENT, GFC_ISYM_GETCWD, GFC_ISYM_GETENV, GFC_ISYM_GET_ENVIRONMENT_VARIABLE, GFC_ISYM_GETGID, GFC_ISYM_GETLOG, GFC_ISYM_GETPID, GFC_ISYM_GETUID, GFC_ISYM_GMTIME, GFC_ISYM_HOSTNM, GFC_ISYM_HUGE, GFC_ISYM_HYPOT, GFC_ISYM_IACHAR, GFC_ISYM_IALL, GFC_ISYM_IAND, GFC_ISYM_IANY, GFC_ISYM_IARGC, GFC_ISYM_IBCLR, GFC_ISYM_IBITS, GFC_ISYM_IBSET, GFC_ISYM_ICHAR, GFC_ISYM_IDATE, GFC_ISYM_IEOR, GFC_ISYM_IERRNO, GFC_ISYM_IMAGE_INDEX, GFC_ISYM_INDEX, GFC_ISYM_INT, GFC_ISYM_INT2, GFC_ISYM_INT8, GFC_ISYM_IOR, GFC_ISYM_IPARITY, GFC_ISYM_IRAND, GFC_ISYM_ISATTY, GFC_ISYM_IS_IOSTAT_END, GFC_ISYM_IS_IOSTAT_EOR, GFC_ISYM_ISNAN, GFC_ISYM_ISHFT, GFC_ISYM_ISHFTC, GFC_ISYM_ITIME, GFC_ISYM_J0, GFC_ISYM_J1, GFC_ISYM_JN, GFC_ISYM_JN2, GFC_ISYM_KILL, GFC_ISYM_KIND, GFC_ISYM_LBOUND, GFC_ISYM_LCOBOUND, GFC_ISYM_LEADZ, GFC_ISYM_LEN, GFC_ISYM_LEN_TRIM, GFC_ISYM_LGAMMA, GFC_ISYM_LGE, GFC_ISYM_LGT, GFC_ISYM_LINK, GFC_ISYM_LLE, GFC_ISYM_LLT, GFC_ISYM_LOC, GFC_ISYM_LOG, GFC_ISYM_LOG10, GFC_ISYM_LOGICAL, GFC_ISYM_LONG, GFC_ISYM_LSHIFT, GFC_ISYM_LSTAT, GFC_ISYM_LTIME, GFC_ISYM_MALLOC, GFC_ISYM_MASKL, GFC_ISYM_MASKR, GFC_ISYM_MATMUL, GFC_ISYM_MAX, GFC_ISYM_MAXEXPONENT, GFC_ISYM_MAXLOC, GFC_ISYM_MAXVAL, GFC_ISYM_MCLOCK, GFC_ISYM_MCLOCK8, GFC_ISYM_MERGE, GFC_ISYM_MERGE_BITS, GFC_ISYM_MIN, GFC_ISYM_MINEXPONENT, GFC_ISYM_MINLOC, GFC_ISYM_MINVAL, GFC_ISYM_MOD, GFC_ISYM_MODULO, GFC_ISYM_MOVE_ALLOC, GFC_ISYM_MVBITS, GFC_ISYM_NEAREST, GFC_ISYM_NEW_LINE, GFC_ISYM_NINT, GFC_ISYM_NORM2, GFC_ISYM_NOT, GFC_ISYM_NULL, GFC_ISYM_NUM_IMAGES, GFC_ISYM_OR, GFC_ISYM_PACK, GFC_ISYM_PARITY, GFC_ISYM_PERROR, GFC_ISYM_POPCNT, GFC_ISYM_POPPAR, GFC_ISYM_PRECISION, GFC_ISYM_PRESENT, GFC_ISYM_PRODUCT, GFC_ISYM_RADIX, GFC_ISYM_RAND, GFC_ISYM_RANDOM_NUMBER, GFC_ISYM_RANDOM_SEED, GFC_ISYM_RANGE, GFC_ISYM_RANK, GFC_ISYM_REAL, GFC_ISYM_RENAME, GFC_ISYM_REPEAT, GFC_ISYM_RESHAPE, GFC_ISYM_RRSPACING, GFC_ISYM_RSHIFT, GFC_ISYM_SAME_TYPE_AS, GFC_ISYM_SC_KIND, GFC_ISYM_SCALE, GFC_ISYM_SCAN, GFC_ISYM_SECNDS, GFC_ISYM_SECOND, GFC_ISYM_SET_EXPONENT, GFC_ISYM_SHAPE, GFC_ISYM_SHIFTA, GFC_ISYM_SHIFTL, GFC_ISYM_SHIFTR, GFC_ISYM_SIGN, GFC_ISYM_SIGNAL, GFC_ISYM_SI_KIND, GFC_ISYM_SIN, GFC_ISYM_SINH, GFC_ISYM_SIZE, GFC_ISYM_SLEEP, GFC_ISYM_SIZEOF, GFC_ISYM_SPACING, GFC_ISYM_SPREAD, GFC_ISYM_SQRT, GFC_ISYM_SRAND, GFC_ISYM_SR_KIND, GFC_ISYM_STAT, GFC_ISYM_STORAGE_SIZE, GFC_ISYM_SUM, GFC_ISYM_SYMLINK, GFC_ISYM_SYMLNK, GFC_ISYM_SYSTEM, GFC_ISYM_SYSTEM_CLOCK, GFC_ISYM_TAN, GFC_ISYM_TANH, GFC_ISYM_THIS_IMAGE, GFC_ISYM_TIME, GFC_ISYM_TIME8, GFC_ISYM_TINY, GFC_ISYM_TRAILZ, GFC_ISYM_TRANSFER, GFC_ISYM_TRANSPOSE, GFC_ISYM_TRIM, GFC_ISYM_TTYNAM, GFC_ISYM_UBOUND, GFC_ISYM_UCOBOUND, GFC_ISYM_UMASK, GFC_ISYM_UNLINK, GFC_ISYM_UNPACK, GFC_ISYM_VERIFY, GFC_ISYM_XOR, GFC_ISYM_Y0, GFC_ISYM_Y1, GFC_ISYM_YN, GFC_ISYM_YN2 }; typedef enum gfc_isym_id gfc_isym_id; typedef enum { GFC_INIT_REAL_OFF = 0, GFC_INIT_REAL_ZERO, GFC_INIT_REAL_NAN, GFC_INIT_REAL_SNAN, GFC_INIT_REAL_INF, GFC_INIT_REAL_NEG_INF } init_local_real; typedef enum { GFC_INIT_LOGICAL_OFF = 0, GFC_INIT_LOGICAL_FALSE, GFC_INIT_LOGICAL_TRUE } init_local_logical; typedef enum { GFC_INIT_CHARACTER_OFF = 0, GFC_INIT_CHARACTER_ON } init_local_character; typedef enum { GFC_INIT_INTEGER_OFF = 0, GFC_INIT_INTEGER_ON } init_local_integer; typedef enum { GFC_FCOARRAY_NONE = 0, GFC_FCOARRAY_SINGLE, GFC_FCOARRAY_LIB } gfc_fcoarray; typedef enum { GFC_ENABLE_REVERSE, GFC_FORWARD_SET, GFC_REVERSE_SET, GFC_INHIBIT_REVERSE } gfc_reverse; /************************* Structures *****************************/ /* Used for keeping things in balanced binary trees. */ #define BBT_HEADER(self) int priority; struct self *left, *right #define NAMED_INTCST(a,b,c,d) a, #define NAMED_KINDARRAY(a,b,c,d) a, #define NAMED_FUNCTION(a,b,c,d) a, #define NAMED_DERIVED_TYPE(a,b,c,d) a, typedef enum { ISOFORTRANENV_INVALID = -1, #include "iso-fortran-env.def" ISOFORTRANENV_LAST, ISOFORTRANENV_NUMBER = ISOFORTRANENV_LAST } iso_fortran_env_symbol; #undef NAMED_INTCST #undef NAMED_KINDARRAY #undef NAMED_FUNCTION #undef NAMED_DERIVED_TYPE #define NAMED_INTCST(a,b,c,d) a, #define NAMED_REALCST(a,b,c,d) a, #define NAMED_CMPXCST(a,b,c,d) a, #define NAMED_LOGCST(a,b,c) a, #define NAMED_CHARKNDCST(a,b,c) a, #define NAMED_CHARCST(a,b,c) a, #define DERIVED_TYPE(a,b,c) a, #define PROCEDURE(a,b) a, #define NAMED_FUNCTION(a,b,c,d) a, typedef enum { ISOCBINDING_INVALID = -1, #include "iso-c-binding.def" ISOCBINDING_LAST, ISOCBINDING_NUMBER = ISOCBINDING_LAST } iso_c_binding_symbol; #undef NAMED_INTCST #undef NAMED_REALCST #undef NAMED_CMPXCST #undef NAMED_LOGCST #undef NAMED_CHARKNDCST #undef NAMED_CHARCST #undef DERIVED_TYPE #undef PROCEDURE #undef NAMED_FUNCTION typedef enum { INTMOD_NONE = 0, INTMOD_ISO_FORTRAN_ENV, INTMOD_ISO_C_BINDING } intmod_id; typedef struct { char name[GFC_MAX_SYMBOL_LEN + 1]; int value; /* Used for both integer and character values. */ bt f90_type; } CInteropKind_t; /* Array of structs, where the structs represent the C interop kinds. The list will be implemented based on a hash of the kind name since these could be accessed multiple times. Declared in trans-types.c as a global, since it's in that file that the list is initialized. */ extern CInteropKind_t c_interop_kinds_table[]; /* Structure and list of supported extension attributes. */ typedef enum { EXT_ATTR_DLLIMPORT = 0, EXT_ATTR_DLLEXPORT, EXT_ATTR_STDCALL, EXT_ATTR_CDECL, EXT_ATTR_FASTCALL, EXT_ATTR_LAST, EXT_ATTR_NUM = EXT_ATTR_LAST } ext_attr_id_t; typedef struct { const char *name; unsigned id; const char *middle_end_name; } ext_attr_t; extern const ext_attr_t ext_attr_list[]; /* Symbol attribute structure. */ typedef struct { /* Variable attributes. */ unsigned allocatable:1, dimension:1, codimension:1, external:1, intrinsic:1, optional:1, pointer:1, target:1, value:1, volatile_:1, temporary:1, dummy:1, result:1, assign:1, threadprivate:1, not_always_present:1, implied_index:1, subref_array_pointer:1, proc_pointer:1, asynchronous:1, contiguous:1; /* For CLASS containers, the pointer attribute is sometimes set internally even though it was not directly specified. In this case, keep the "real" (original) value here. */ unsigned class_pointer:1; ENUM_BITFIELD (save_state) save:2; unsigned data:1, /* Symbol is named in a DATA statement. */ is_protected:1, /* Symbol has been marked as protected. */ use_assoc:1, /* Symbol has been use-associated. */ use_only:1, /* Symbol has been use-associated, with ONLY. */ use_rename:1, /* Symbol has been use-associated and renamed. */ imported:1, /* Symbol has been associated by IMPORT. */ host_assoc:1; /* Symbol has been host associated. */ unsigned in_namelist:1, in_common:1, in_equivalence:1; unsigned function:1, subroutine:1, procedure:1; unsigned generic:1, generic_copy:1; unsigned implicit_type:1; /* Type defined via implicit rules. */ unsigned untyped:1; /* No implicit type could be found. */ unsigned is_bind_c:1; /* say if is bound to C. */ unsigned extension:8; /* extension level of a derived type. */ unsigned is_class:1; /* is a CLASS container. */ unsigned class_ok:1; /* is a CLASS object with correct attributes. */ unsigned vtab:1; /* is a derived type vtab, pointed to by CLASS objects. */ unsigned vtype:1; /* is a derived type of a vtab. */ /* These flags are both in the typespec and attribute. The attribute list is what gets read from/written to a module file. The typespec is created from a decl being processed. */ unsigned is_c_interop:1; /* It's c interoperable. */ unsigned is_iso_c:1; /* Symbol is from iso_c_binding. */ /* Function/subroutine attributes */ unsigned sequence:1, elemental:1, pure:1, recursive:1; unsigned unmaskable:1, masked:1, contained:1, mod_proc:1, abstract:1; /* This is set if a contained procedure could be declared pure. This is used for certain optimizations that require the result or arguments cannot alias. Note that this is zero for PURE procedures. */ unsigned implicit_pure:1; /* This is set if the subroutine doesn't return. Currently, this is only possible for intrinsic subroutines. */ unsigned noreturn:1; /* Set if this procedure is an alternate entry point. These procedures don't have any code associated, and the backend will turn them into thunks to the master function. */ unsigned entry:1; /* Set if this is the master function for a procedure with multiple entry points. */ unsigned entry_master:1; /* Set if this is the master function for a function with multiple entry points where characteristics of the entry points differ. */ unsigned mixed_entry_master:1; /* Set if a function must always be referenced by an explicit interface. */ unsigned always_explicit:1; /* Set if the symbol has been referenced in an expression. No further modification of type or type parameters is permitted. */ unsigned referenced:1; /* Set if this is the symbol for the main program. */ unsigned is_main_program:1; /* Mutually exclusive multibit attributes. */ ENUM_BITFIELD (gfc_access) access:2; ENUM_BITFIELD (sym_intent) intent:2; ENUM_BITFIELD (sym_flavor) flavor:4; ENUM_BITFIELD (ifsrc) if_source:2; ENUM_BITFIELD (procedure_type) proc:3; /* Special attributes for Cray pointers, pointees. */ unsigned cray_pointer:1, cray_pointee:1; /* The symbol is a derived type with allocatable components, pointer components or private components, procedure pointer components, possibly nested. zero_comp is true if the derived type has no component at all. */ unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1, private_comp:1, zero_comp:1, coarray_comp:1, lock_comp:1; /* This is a temporary selector for SELECT TYPE. */ unsigned select_type_temporary:1; /* Attributes set by compiler extensions (!GCC$ ATTRIBUTES). */ unsigned ext_attr:EXT_ATTR_NUM; /* The namespace where the attribute has been set. */ struct gfc_namespace *volatile_ns, *asynchronous_ns; } symbol_attribute; /* We need to store source lines as sequences of multibyte source characters. We define here a type wide enough to hold any multibyte source character, just like libcpp does. A 32-bit type is enough. */ #if HOST_BITS_PER_INT >= 32 typedef unsigned int gfc_char_t; #elif HOST_BITS_PER_LONG >= 32 typedef unsigned long gfc_char_t; #elif defined(HAVE_LONG_LONG) && (HOST_BITS_PER_LONGLONG >= 32) typedef unsigned long long gfc_char_t; #else # error "Cannot find an integer type with at least 32 bits" #endif /* The following three structures are used to identify a location in the sources. gfc_file is used to maintain a tree of the source files and how they include each other gfc_linebuf holds a single line of source code and information which file it resides in locus point to the sourceline and the character in the source line. */ typedef struct gfc_file { struct gfc_file *next, *up; int inclusion_line, line; char *filename; } gfc_file; typedef struct gfc_linebuf { source_location location; struct gfc_file *file; struct gfc_linebuf *next; int truncated; bool dbg_emitted; gfc_char_t line[1]; } gfc_linebuf; #define gfc_linebuf_header_size (offsetof (gfc_linebuf, line)) #define gfc_linebuf_linenum(LBUF) (LOCATION_LINE ((LBUF)->location)) typedef struct { gfc_char_t *nextc; gfc_linebuf *lb; } locus; /* In order for the "gfc" format checking to work correctly, you must have declared a typedef locus first. */ #if GCC_VERSION >= 4001 #define ATTRIBUTE_GCC_GFC(m, n) __attribute__ ((__format__ (__gcc_gfc__, m, n))) ATTRIBUTE_NONNULL(m) #else #define ATTRIBUTE_GCC_GFC(m, n) ATTRIBUTE_NONNULL(m) #endif /* Suppress error messages or re-enable them. */ void gfc_push_suppress_errors (void); void gfc_pop_suppress_errors (void); /* Character length structures hold the expression that gives the length of a character variable. We avoid putting these into gfc_typespec because doing so prevents us from doing structure copies and forces us to deallocate any typespecs we create, as well as structures that contain typespecs. They also can have multiple character typespecs pointing to them. These structures form a singly linked list within the current namespace and are deallocated with the namespace. It is possible to end up with gfc_charlen structures that have nothing pointing to them. */ typedef struct gfc_charlen { struct gfc_expr *length; struct gfc_charlen *next; bool length_from_typespec; /* Length from explicit array ctor typespec? */ tree backend_decl; tree passed_length; /* Length argument explicitly passed. */ int resolved; } gfc_charlen; #define gfc_get_charlen() XCNEW (gfc_charlen) /* Type specification structure. */ typedef struct { bt type; int kind; union { struct gfc_symbol *derived; /* For derived types only. */ gfc_charlen *cl; /* For character types only. */ int pad; /* For hollerith types only. */ } u; struct gfc_symbol *interface; /* For PROCEDURE declarations. */ int is_c_interop; int is_iso_c; bt f90_type; bool deferred; } gfc_typespec; /* Array specification. */ typedef struct { int rank; /* A rank of zero means that a variable is a scalar. */ int corank; array_type type, cotype; struct gfc_expr *lower[GFC_MAX_DIMENSIONS], *upper[GFC_MAX_DIMENSIONS]; /* These two fields are used with the Cray Pointer extension. */ bool cray_pointee; /* True iff this spec belongs to a cray pointee. */ bool cp_was_assumed; /* AS_ASSUMED_SIZE cp arrays are converted to AS_EXPLICIT, but we want to remember that we did this. */ } gfc_array_spec; #define gfc_get_array_spec() XCNEW (gfc_array_spec) /* Components of derived types. */ typedef struct gfc_component { const char *name; gfc_typespec ts; symbol_attribute attr; gfc_array_spec *as; tree backend_decl; /* Used to cache a FIELD_DECL matching this same component but applied to a different backend containing type that was generated by gfc_nonrestricted_type. */ tree norestrict_decl; locus loc; struct gfc_expr *initializer; struct gfc_component *next; /* Needed for procedure pointer components. */ struct gfc_formal_arglist *formal; struct gfc_namespace *formal_ns; struct gfc_typebound_proc *tb; } gfc_component; #define gfc_get_component() XCNEW (gfc_component) /* Formal argument lists are lists of symbols. */ typedef struct gfc_formal_arglist { /* Symbol representing the argument at this position in the arglist. */ struct gfc_symbol *sym; /* Points to the next formal argument. */ struct gfc_formal_arglist *next; } gfc_formal_arglist; #define gfc_get_formal_arglist() XCNEW (gfc_formal_arglist) /* The gfc_actual_arglist structure is for actual arguments. */ typedef struct gfc_actual_arglist { const char *name; /* Alternate return label when the expr member is null. */ struct gfc_st_label *label; /* This is set to the type of an eventual omitted optional argument. This is used to determine if a hidden string length argument has to be added to a function call. */ bt missing_arg_type; struct gfc_expr *expr; struct gfc_actual_arglist *next; } gfc_actual_arglist; #define gfc_get_actual_arglist() XCNEW (gfc_actual_arglist) /* Because a symbol can belong to multiple namelists, they must be linked externally to the symbol itself. */ typedef struct gfc_namelist { struct gfc_symbol *sym; struct gfc_namelist *next; } gfc_namelist; #define gfc_get_namelist() XCNEW (gfc_namelist) enum { OMP_LIST_PRIVATE, OMP_LIST_FIRSTPRIVATE, OMP_LIST_LASTPRIVATE, OMP_LIST_COPYPRIVATE, OMP_LIST_SHARED, OMP_LIST_COPYIN, OMP_LIST_PLUS, OMP_LIST_REDUCTION_FIRST = OMP_LIST_PLUS, OMP_LIST_MULT, OMP_LIST_SUB, OMP_LIST_AND, OMP_LIST_OR, OMP_LIST_EQV, OMP_LIST_NEQV, OMP_LIST_MAX, OMP_LIST_MIN, OMP_LIST_IAND, OMP_LIST_IOR, OMP_LIST_IEOR, OMP_LIST_REDUCTION_LAST = OMP_LIST_IEOR, OMP_LIST_NUM }; /* Because a symbol can belong to multiple namelists, they must be linked externally to the symbol itself. */ enum gfc_omp_sched_kind { OMP_SCHED_NONE, OMP_SCHED_STATIC, OMP_SCHED_DYNAMIC, OMP_SCHED_GUIDED, OMP_SCHED_RUNTIME, OMP_SCHED_AUTO }; enum gfc_omp_default_sharing { OMP_DEFAULT_UNKNOWN, OMP_DEFAULT_NONE, OMP_DEFAULT_PRIVATE, OMP_DEFAULT_SHARED, OMP_DEFAULT_FIRSTPRIVATE }; typedef struct gfc_omp_clauses { struct gfc_expr *if_expr; struct gfc_expr *final_expr; struct gfc_expr *num_threads; gfc_namelist *lists[OMP_LIST_NUM]; enum gfc_omp_sched_kind sched_kind; struct gfc_expr *chunk_size; enum gfc_omp_default_sharing default_sharing; int collapse; bool nowait, ordered, untied, mergeable; } gfc_omp_clauses; #define gfc_get_omp_clauses() XCNEW (gfc_omp_clauses) /* The gfc_st_label structure is a BBT attached to a namespace that records the usage of statement labels within that space. */ typedef struct gfc_st_label { BBT_HEADER(gfc_st_label); int value; gfc_sl_type defined, referenced; struct gfc_expr *format; tree backend_decl; locus where; } gfc_st_label; /* gfc_interface()-- Interfaces are lists of symbols strung together. */ typedef struct gfc_interface { struct gfc_symbol *sym; locus where; struct gfc_interface *next; } gfc_interface; #define gfc_get_interface() XCNEW (gfc_interface) /* User operator nodes. These are like stripped down symbols. */ typedef struct { const char *name; gfc_interface *op; struct gfc_namespace *ns; gfc_access access; } gfc_user_op; /* A list of specific bindings that are associated with a generic spec. */ typedef struct gfc_tbp_generic { /* The parser sets specific_st, upon resolution we look for the corresponding gfc_typebound_proc and set specific for further use. */ struct gfc_symtree* specific_st; struct gfc_typebound_proc* specific; struct gfc_tbp_generic* next; bool is_operator; } gfc_tbp_generic; #define gfc_get_tbp_generic() XCNEW (gfc_tbp_generic) /* Data needed for type-bound procedures. */ typedef struct gfc_typebound_proc { locus where; /* Where the PROCEDURE/GENERIC definition was. */ union { struct gfc_symtree* specific; /* The interface if DEFERRED. */ gfc_tbp_generic* generic; } u; gfc_access access; const char* pass_arg; /* Argument-name for PASS. NULL if not specified. */ /* The overridden type-bound proc (or GENERIC with this name in the parent-type) or NULL if non. */ struct gfc_typebound_proc* overridden; /* Once resolved, we use the position of pass_arg in the formal arglist of the binding-target procedure to identify it. The first argument has number 1 here, the second 2, and so on. */ unsigned pass_arg_num; unsigned nopass:1; /* Whether we have NOPASS (PASS otherwise). */ unsigned non_overridable:1; unsigned deferred:1; unsigned is_generic:1; unsigned function:1, subroutine:1; unsigned error:1; /* Ignore it, when an error occurred during resolution. */ unsigned ppc:1; } gfc_typebound_proc; /* Symbol nodes. These are important things. They are what the standard refers to as "entities". The possibly multiple names that refer to the same entity are accomplished by a binary tree of symtree structures that is balanced by the red-black method-- more than one symtree node can point to any given symbol. */ typedef struct gfc_symbol { const char *name; /* Primary name, before renaming */ const char *module; /* Module this symbol came from */ locus declared_at; gfc_typespec ts; symbol_attribute attr; /* The formal member points to the formal argument list if the symbol is a function or subroutine name. If the symbol is a generic name, the generic member points to the list of interfaces. */ gfc_interface *generic; gfc_access component_access; gfc_formal_arglist *formal; struct gfc_namespace *formal_ns; struct gfc_namespace *f2k_derived; struct gfc_expr *value; /* Parameter/Initializer value */ gfc_array_spec *as; struct gfc_symbol *result; /* function result symbol */ gfc_component *components; /* Derived type components */ /* Defined only for Cray pointees; points to their pointer. */ struct gfc_symbol *cp_pointer; int entry_id; /* Used in resolve.c for entries. */ /* CLASS hashed name for declared and dynamic types in the class. */ int hash_value; struct gfc_symbol *common_next; /* Links for COMMON syms */ /* This is in fact a gfc_common_head but it is only used for pointer comparisons to check if symbols are in the same common block. */ struct gfc_common_head* common_head; /* Make sure setup code for dummy arguments is generated in the correct order. */ int dummy_order; gfc_namelist *namelist, *namelist_tail; /* Change management fields. Symbols that might be modified by the current statement have the mark member nonzero and are kept in a singly linked list through the tlink field. Of these symbols, symbols with old_symbol equal to NULL are symbols created within the current statement. Otherwise, old_symbol points to a copy of the old symbol. */ struct gfc_symbol *old_symbol, *tlink; unsigned mark:1, gfc_new:1; /* Nonzero if all equivalences associated with this symbol have been processed. */ unsigned equiv_built:1; /* Set if this variable is used as an index name in a FORALL. */ unsigned forall_index:1; int refs; struct gfc_namespace *ns; /* namespace containing this symbol */ tree backend_decl; /* Identity of the intrinsic module the symbol comes from, or INTMOD_NONE if it's not imported from a intrinsic module. */ intmod_id from_intmod; /* Identity of the symbol from intrinsic modules, from enums maintained separately by each intrinsic module. Used together with from_intmod, it uniquely identifies a symbol from an intrinsic module. */ int intmod_sym_id; /* This may be repetitive, since the typespec now has a binding label field. */ const char* binding_label; /* Store a reference to the common_block, if this symbol is in one. */ struct gfc_common_head *common_block; /* Link to corresponding association-list if this is an associate name. */ struct gfc_association_list *assoc; } gfc_symbol; /* This structure is used to keep track of symbols in common blocks. */ typedef struct gfc_common_head { locus where; char use_assoc, saved, threadprivate; char name[GFC_MAX_SYMBOL_LEN + 1]; struct gfc_symbol *head; const char* binding_label; int is_bind_c; } gfc_common_head; #define gfc_get_common_head() XCNEW (gfc_common_head) /* A list of all the alternate entry points for a procedure. */ typedef struct gfc_entry_list { /* The symbol for this entry point. */ gfc_symbol *sym; /* The zero-based id of this entry point. */ int id; /* The LABEL_EXPR marking this entry point. */ tree label; /* The next item in the list. */ struct gfc_entry_list *next; } gfc_entry_list; #define gfc_get_entry_list() XCNEW (gfc_entry_list) /* Lists of rename info for the USE statement. */ typedef struct gfc_use_rename { char local_name[GFC_MAX_SYMBOL_LEN + 1], use_name[GFC_MAX_SYMBOL_LEN + 1]; struct gfc_use_rename *next; int found; gfc_intrinsic_op op; locus where; } gfc_use_rename; #define gfc_get_use_rename() XCNEW (gfc_use_rename); /* A list of all USE statements in a namespace. */ typedef struct gfc_use_list { const char *module_name; bool intrinsic; bool non_intrinsic; bool only_flag; struct gfc_use_rename *rename; locus where; /* Next USE statement. */ struct gfc_use_list *next; } gfc_use_list; #define gfc_get_use_list() XCNEW (gfc_use_list) /* Within a namespace, symbols are pointed to by symtree nodes that are linked together in a balanced binary tree. There can be several symtrees pointing to the same symbol node via USE statements. */ typedef struct gfc_symtree { BBT_HEADER (gfc_symtree); const char *name; int ambiguous; union { gfc_symbol *sym; /* Symbol associated with this node */ gfc_user_op *uop; gfc_common_head *common; gfc_typebound_proc *tb; } n; } gfc_symtree; /* A linked list of derived types in the namespace. */ typedef struct gfc_dt_list { struct gfc_symbol *derived; struct gfc_dt_list *next; } gfc_dt_list; #define gfc_get_dt_list() XCNEW (gfc_dt_list) /* A list of all derived types. */ extern gfc_dt_list *gfc_derived_types; /* A namespace describes the contents of procedure, module, interface block or BLOCK construct. */ /* ??? Anything else use these? */ typedef struct gfc_namespace { /* Tree containing all the symbols in this namespace. */ gfc_symtree *sym_root; /* Tree containing all the user-defined operators in the namespace. */ gfc_symtree *uop_root; /* Tree containing all the common blocks. */ gfc_symtree *common_root; /* Tree containing type-bound procedures. */ gfc_symtree *tb_sym_root; /* Type-bound user operators. */ gfc_symtree *tb_uop_root; /* For derived-types, store type-bound intrinsic operators here. */ gfc_typebound_proc *tb_op[GFC_INTRINSIC_OPS]; /* Linked list of finalizer procedures. */ struct gfc_finalizer *finalizers; /* If set_flag[letter] is set, an implicit type has been set for letter. */ int set_flag[GFC_LETTERS]; /* Keeps track of the implicit types associated with the letters. */ gfc_typespec default_type[GFC_LETTERS]; /* Store the positions of IMPLICIT statements. */ locus implicit_loc[GFC_LETTERS]; /* If this is a namespace of a procedure, this points to the procedure. */ struct gfc_symbol *proc_name; /* If this is the namespace of a unit which contains executable code, this points to it. */ struct gfc_code *code; /* Points to the equivalences set up in this namespace. */ struct gfc_equiv *equiv, *old_equiv; /* Points to the equivalence groups produced by trans_common. */ struct gfc_equiv_list *equiv_lists; gfc_interface *op[GFC_INTRINSIC_OPS]; /* Points to the parent namespace, i.e. the namespace of a module or procedure in which the procedure belonging to this namespace is contained. The parent namespace points to this namespace either directly via CONTAINED, or indirectly via the chain built by SIBLING. */ struct gfc_namespace *parent; /* CONTAINED points to the first contained namespace. Sibling namespaces are chained via SIBLING. */ struct gfc_namespace *contained, *sibling; gfc_common_head blank_common; gfc_access default_access, operator_access[GFC_INTRINSIC_OPS]; gfc_st_label *st_labels; /* This list holds information about all the data initializers in this namespace. */ struct gfc_data *data; gfc_charlen *cl_list, *old_cl_list; gfc_dt_list *derived_types; int save_all, seen_save, seen_implicit_none; /* Normally we don't need to refcount namespaces. However when we read a module containing a function with multiple entry points, this will appear as several functions with the same formal namespace. */ int refs; /* A list of all alternate entry points to this procedure (or NULL). */ gfc_entry_list *entries; /* A list of USE statements in this namespace. */ gfc_use_list *use_stmts; /* Set to 1 if namespace is a BLOCK DATA program unit. */ unsigned is_block_data:1; /* Set to 1 if namespace is an interface body with "IMPORT" used. */ unsigned has_import_set:1; /* Set to 1 if resolved has been called for this namespace. Holds -1 during resolution. */ signed resolved:2; /* Set to 1 if code has been generated for this namespace. */ unsigned translated:1; /* Set to 1 if symbols in this namespace should be 'construct entities', i.e. for BLOCK local variables. */ unsigned construct_entities:1; } gfc_namespace; extern gfc_namespace *gfc_current_ns; extern gfc_namespace *gfc_global_ns_list; /* Global symbols are symbols of global scope. Currently we only use this to detect collisions already when parsing. TODO: Extend to verify procedure calls. */ enum gfc_symbol_type { GSYM_UNKNOWN=1, GSYM_PROGRAM, GSYM_FUNCTION, GSYM_SUBROUTINE, GSYM_MODULE, GSYM_COMMON, GSYM_BLOCK_DATA }; typedef struct gfc_gsymbol { BBT_HEADER(gfc_gsymbol); const char *name; const char *sym_name; const char *mod_name; const char *binding_label; enum gfc_symbol_type type; int defined, used; locus where; gfc_namespace *ns; } gfc_gsymbol; extern gfc_gsymbol *gfc_gsym_root; /* Information on interfaces being built. */ typedef struct { interface_type type; gfc_symbol *sym; gfc_namespace *ns; gfc_user_op *uop; gfc_intrinsic_op op; } gfc_interface_info; extern gfc_interface_info current_interface; /* Array reference. */ enum gfc_array_ref_dimen_type { DIMEN_ELEMENT = 1, DIMEN_RANGE, DIMEN_VECTOR, DIMEN_STAR, DIMEN_THIS_IMAGE, DIMEN_UNKNOWN }; typedef struct gfc_array_ref { ar_type type; int dimen; /* # of components in the reference */ int codimen; bool in_allocate; /* For coarray checks. */ locus where; gfc_array_spec *as; locus c_where[GFC_MAX_DIMENSIONS]; /* All expressions can be NULL */ struct gfc_expr *start[GFC_MAX_DIMENSIONS], *end[GFC_MAX_DIMENSIONS], *stride[GFC_MAX_DIMENSIONS]; enum gfc_array_ref_dimen_type dimen_type[GFC_MAX_DIMENSIONS]; struct gfc_expr *offset; } gfc_array_ref; #define gfc_get_array_ref() XCNEW (gfc_array_ref) /* Component reference nodes. A variable is stored as an expression node that points to the base symbol. After that, a singly linked list of component reference nodes gives the variable's complete resolution. The array_ref component may be present and comes before the component component. */ typedef enum { REF_ARRAY, REF_COMPONENT, REF_SUBSTRING } ref_type; typedef struct gfc_ref { ref_type type; union { struct gfc_array_ref ar; struct { gfc_component *component; gfc_symbol *sym; } c; struct { struct gfc_expr *start, *end; /* Substring */ gfc_charlen *length; } ss; } u; struct gfc_ref *next; } gfc_ref; #define gfc_get_ref() XCNEW (gfc_ref) /* Structures representing intrinsic symbols and their arguments lists. */ typedef struct gfc_intrinsic_arg { char name[GFC_MAX_SYMBOL_LEN + 1]; gfc_typespec ts; unsigned optional:1, value:1; ENUM_BITFIELD (sym_intent) intent:2; gfc_actual_arglist *actual; struct gfc_intrinsic_arg *next; } gfc_intrinsic_arg; /* Specifies the various kinds of check functions used to verify the argument lists of intrinsic functions. fX with X an integer refer to check functions of intrinsics with X arguments. f1m is used for the MAX and MIN intrinsics which can have an arbitrary number of arguments, f3ml is used for the MINLOC and MAXLOC intrinsics as these have special semantics. */ typedef union { gfc_try (*f0)(void); gfc_try (*f1)(struct gfc_expr *); gfc_try (*f1m)(gfc_actual_arglist *); gfc_try (*f2)(struct gfc_expr *, struct gfc_expr *); gfc_try (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); gfc_try (*f3ml)(gfc_actual_arglist *); gfc_try (*f3red)(gfc_actual_arglist *); gfc_try (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); gfc_try (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); } gfc_check_f; /* Like gfc_check_f, these specify the type of the simplification function associated with an intrinsic. The fX are just like in gfc_check_f. cc is used for type conversion functions. */ typedef union { struct gfc_expr *(*f0)(void); struct gfc_expr *(*f1)(struct gfc_expr *); struct gfc_expr *(*f2)(struct gfc_expr *, struct gfc_expr *); struct gfc_expr *(*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); struct gfc_expr *(*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); struct gfc_expr *(*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); struct gfc_expr *(*cc)(struct gfc_expr *, bt, int); } gfc_simplify_f; /* Again like gfc_check_f, these specify the type of the resolution function associated with an intrinsic. The fX are just like in gfc_check_f. f1m is used for MIN and MAX, s1 is used for abort(). */ typedef union { void (*f0)(struct gfc_expr *); void (*f1)(struct gfc_expr *, struct gfc_expr *); void (*f1m)(struct gfc_expr *, struct gfc_actual_arglist *); void (*f2)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); void (*f3)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); void (*f4)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); void (*f5)(struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *, struct gfc_expr *); void (*s1)(struct gfc_code *); } gfc_resolve_f; typedef struct gfc_intrinsic_sym { const char *name, *lib_name; gfc_intrinsic_arg *formal; gfc_typespec ts; unsigned elemental:1, inquiry:1, transformational:1, pure:1, generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1, from_module:1; int standard; gfc_simplify_f simplify; gfc_check_f check; gfc_resolve_f resolve; struct gfc_intrinsic_sym *specific_head, *next; gfc_isym_id id; } gfc_intrinsic_sym; /* Expression nodes. The expression node types deserve explanations, since the last couple can be easily misconstrued: EXPR_OP Operator node pointing to one or two other nodes EXPR_FUNCTION Function call, symbol points to function's name EXPR_CONSTANT A scalar constant: Logical, String, Real, Int or Complex EXPR_VARIABLE An Lvalue with a root symbol and possible reference list which expresses structure, array and substring refs. EXPR_NULL The NULL pointer value (which also has a basic type). EXPR_SUBSTRING A substring of a constant string EXPR_STRUCTURE A structure constructor EXPR_ARRAY An array constructor. EXPR_COMPCALL Function (or subroutine) call of a procedure pointer component or type-bound procedure. */ #include <gmp.h> #include <mpfr.h> #include <mpc.h> #define GFC_RND_MODE GMP_RNDN #define GFC_MPC_RND_MODE MPC_RNDNN typedef splay_tree gfc_constructor_base; typedef struct gfc_expr { expr_t expr_type; gfc_typespec ts; /* These two refer to the overall expression */ int rank; mpz_t *shape; /* Can be NULL if shape is unknown at compile time */ /* Nonnull for functions and structure constructors, may also used to hold the base-object for component calls. */ gfc_symtree *symtree; gfc_ref *ref; locus where; /* Used to store the base expression in component calls, when the expression is not a variable. */ struct gfc_expr *base_expr; /* is_boz is true if the integer is regarded as BOZ bitpatten and is_snan denotes a signalling not-a-number. */ unsigned int is_boz : 1, is_snan : 1; /* Sometimes, when an error has been emitted, it is necessary to prevent it from recurring. */ unsigned int error : 1; /* Mark an expression where a user operator has been substituted by a function call in interface.c(gfc_extend_expr). */ unsigned int user_operator : 1; /* Mark an expression as being a MOLD argument of ALLOCATE. */ unsigned int mold : 1; /* If an expression comes from a Hollerith constant or compile-time evaluation of a transfer statement, it may have a prescribed target- memory representation, and these cannot always be backformed from the value. */ struct { int length; char *string; } representation; union { int logical; io_kind iokind; mpz_t integer; mpfr_t real; mpc_t complex; struct { gfc_intrinsic_op op; gfc_user_op *uop; struct gfc_expr *op1, *op2; } op; struct { gfc_actual_arglist *actual; const char *name; /* Points to the ultimate name of the function */ gfc_intrinsic_sym *isym; gfc_symbol *esym; } function; struct { gfc_actual_arglist* actual; const char* name; /* Base-object, whose component was called. NULL means that it should be taken from symtree/ref. */ struct gfc_expr* base_object; gfc_typebound_proc* tbp; /* Should overlap with esym. */ /* For type-bound operators, we want to call PASS procedures but already have the full arglist; mark this, so that it is not extended by the PASS argument. */ unsigned ignore_pass:1; /* Do assign-calls rather than calls, that is appropriate dependency checking. */ unsigned assign:1; } compcall; struct { int length; gfc_char_t *string; } character; gfc_constructor_base constructor; } value; } gfc_expr; #define gfc_get_shape(rank) (XCNEWVEC (mpz_t, (rank))) /* Structures for information associated with different kinds of numbers. The first set of integer parameters define all there is to know about a particular kind. The rest of the elements are computed from the first elements. */ typedef struct { /* Values really representable by the target. */ mpz_t huge, pedantic_min_int, min_int; int kind, radix, digits, bit_size, range; /* True if the C type of the given name maps to this precision. Note that more than one bit can be set. */ unsigned int c_char : 1; unsigned int c_short : 1; unsigned int c_int : 1; unsigned int c_long : 1; unsigned int c_long_long : 1; } gfc_integer_info; extern gfc_integer_info gfc_integer_kinds[]; typedef struct { int kind, bit_size; /* True if the C++ type bool, C99 type _Bool, maps to this precision. */ unsigned int c_bool : 1; } gfc_logical_info; extern gfc_logical_info gfc_logical_kinds[]; typedef struct { mpfr_t epsilon, huge, tiny, subnormal; int kind, radix, digits, min_exponent, max_exponent; int range, precision; /* The precision of the type as reported by GET_MODE_PRECISION. */ int mode_precision; /* True if the C type of the given name maps to this precision. Note that more than one bit can be set. */ unsigned int c_float : 1; unsigned int c_double : 1; unsigned int c_long_double : 1; unsigned int c_float128 : 1; } gfc_real_info; extern gfc_real_info gfc_real_kinds[]; typedef struct { int kind, bit_size; const char *name; } gfc_character_info; extern gfc_character_info gfc_character_kinds[]; /* Equivalence structures. Equivalent lvalues are linked along the *eq pointer, equivalence sets are strung along the *next node. */ typedef struct gfc_equiv { struct gfc_equiv *next, *eq; gfc_expr *expr; const char *module; int used; } gfc_equiv; #define gfc_get_equiv() XCNEW (gfc_equiv) /* Holds a single equivalence member after processing. */ typedef struct gfc_equiv_info { gfc_symbol *sym; HOST_WIDE_INT offset; HOST_WIDE_INT length; struct gfc_equiv_info *next; } gfc_equiv_info; /* Holds equivalence groups, after they have been processed. */ typedef struct gfc_equiv_list { gfc_equiv_info *equiv; struct gfc_equiv_list *next; } gfc_equiv_list; /* gfc_case stores the selector list of a case statement. The *low and *high pointers can point to the same expression in the case of a single value. If *high is NULL, the selection is from *low upwards, if *low is NULL the selection is *high downwards. This structure has separate fields to allow single and double linked lists of CASEs at the same time. The singe linked list along the NEXT field is a list of cases for a single CASE label. The double linked list along the LEFT/RIGHT fields is used to detect overlap and to build a table of the cases for SELECT constructs with a CHARACTER case expression. */ typedef struct gfc_case { /* Where we saw this case. */ locus where; int n; /* Case range values. If (low == high), it's a single value. If one of the labels is NULL, it's an unbounded case. If both are NULL, this represents the default case. */ gfc_expr *low, *high; /* Only used for SELECT TYPE. */ gfc_typespec ts; /* Next case label in the list of cases for a single CASE label. */ struct gfc_case *next; /* Used for detecting overlap, and for code generation. */ struct gfc_case *left, *right; /* True if this case label can never be matched. */ int unreachable; } gfc_case; #define gfc_get_case() XCNEW (gfc_case) typedef struct { gfc_expr *var, *start, *end, *step; } gfc_iterator; #define gfc_get_iterator() XCNEW (gfc_iterator) /* Allocation structure for ALLOCATE, DEALLOCATE and NULLIFY statements. */ typedef struct gfc_alloc { gfc_expr *expr; struct gfc_alloc *next; } gfc_alloc; #define gfc_get_alloc() XCNEW (gfc_alloc) typedef struct { gfc_expr *unit, *file, *status, *access, *form, *recl, *blank, *position, *action, *delim, *pad, *iostat, *iomsg, *convert, *decimal, *encoding, *round, *sign, *asynchronous, *id, *newunit; gfc_st_label *err; } gfc_open; typedef struct { gfc_expr *unit, *status, *iostat, *iomsg; gfc_st_label *err; } gfc_close; typedef struct { gfc_expr *unit, *iostat, *iomsg; gfc_st_label *err; } gfc_filepos; typedef struct { gfc_expr *unit, *file, *iostat, *exist, *opened, *number, *named, *name, *access, *sequential, *direct, *form, *formatted, *unformatted, *recl, *nextrec, *blank, *position, *action, *read, *write, *readwrite, *delim, *pad, *iolength, *iomsg, *convert, *strm_pos, *asynchronous, *decimal, *encoding, *pending, *round, *sign, *size, *id; gfc_st_label *err; } gfc_inquire; typedef struct { gfc_expr *unit, *iostat, *iomsg, *id; gfc_st_label *err, *end, *eor; } gfc_wait; typedef struct { gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg, *id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round, *sign, *extra_comma, *dt_io_kind; gfc_symbol *namelist; /* A format_label of `format_asterisk' indicates the "*" format */ gfc_st_label *format_label; gfc_st_label *err, *end, *eor; locus eor_where, end_where, err_where; } gfc_dt; typedef struct gfc_forall_iterator { gfc_expr *var, *start, *end, *stride; struct gfc_forall_iterator *next; } gfc_forall_iterator; /* Linked list to store associations in an ASSOCIATE statement. */ typedef struct gfc_association_list { struct gfc_association_list *next; /* Whether this is association to a variable that can be changed; otherwise, it's association to an expression and the name may not be used as lvalue. */ unsigned variable:1; /* True if this struct is currently only linked to from a gfc_symbol rather than as part of a real list in gfc_code->ext.block.assoc. This may happen for SELECT TYPE temporaries and must be considered for memory handling. */ unsigned dangling:1; char name[GFC_MAX_SYMBOL_LEN + 1]; gfc_symtree *st; /* Symtree corresponding to name. */ locus where; gfc_expr *target; } gfc_association_list; #define gfc_get_association_list() XCNEW (gfc_association_list) /* Executable statements that fill gfc_code structures. */ typedef enum { EXEC_NOP = 1, EXEC_END_NESTED_BLOCK, EXEC_END_BLOCK, EXEC_ASSIGN, EXEC_LABEL_ASSIGN, EXEC_POINTER_ASSIGN, EXEC_CRITICAL, EXEC_ERROR_STOP, EXEC_GOTO, EXEC_CALL, EXEC_COMPCALL, EXEC_ASSIGN_CALL, EXEC_RETURN, EXEC_ENTRY, EXEC_PAUSE, EXEC_STOP, EXEC_CONTINUE, EXEC_INIT_ASSIGN, EXEC_IF, EXEC_ARITHMETIC_IF, EXEC_DO, EXEC_DO_CONCURRENT, EXEC_DO_WHILE, EXEC_SELECT, EXEC_BLOCK, EXEC_FORALL, EXEC_WHERE, EXEC_CYCLE, EXEC_EXIT, EXEC_CALL_PPC, EXEC_ALLOCATE, EXEC_DEALLOCATE, EXEC_END_PROCEDURE, EXEC_SELECT_TYPE, EXEC_SYNC_ALL, EXEC_SYNC_MEMORY, EXEC_SYNC_IMAGES, EXEC_OPEN, EXEC_CLOSE, EXEC_WAIT, EXEC_READ, EXEC_WRITE, EXEC_IOLENGTH, EXEC_TRANSFER, EXEC_DT_END, EXEC_BACKSPACE, EXEC_ENDFILE, EXEC_INQUIRE, EXEC_REWIND, EXEC_FLUSH, EXEC_LOCK, EXEC_UNLOCK, EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER, EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO, EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE, EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE, EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT, EXEC_OMP_END_SINGLE, EXEC_OMP_TASK, EXEC_OMP_TASKWAIT, EXEC_OMP_TASKYIELD } gfc_exec_op; typedef enum { GFC_OMP_ATOMIC_UPDATE, GFC_OMP_ATOMIC_READ, GFC_OMP_ATOMIC_WRITE, GFC_OMP_ATOMIC_CAPTURE } gfc_omp_atomic_op; typedef struct gfc_code { gfc_exec_op op; struct gfc_code *block, *next; locus loc; gfc_st_label *here, *label1, *label2, *label3; gfc_symtree *symtree; gfc_expr *expr1, *expr2, *expr3, *expr4; /* A name isn't sufficient to identify a subroutine, we need the actual symbol for the interface definition. const char *sub_name; */ gfc_symbol *resolved_sym; gfc_intrinsic_sym *resolved_isym; union { gfc_actual_arglist *actual; gfc_iterator *iterator; struct { gfc_typespec ts; gfc_alloc *list; } alloc; struct { gfc_namespace *ns; gfc_association_list *assoc; gfc_case *case_list; } block; gfc_open *open; gfc_close *close; gfc_filepos *filepos; gfc_inquire *inquire; gfc_wait *wait; gfc_dt *dt; gfc_forall_iterator *forall_iterator; struct gfc_code *which_construct; int stop_code; gfc_entry_list *entry; gfc_omp_clauses *omp_clauses; const char *omp_name; gfc_namelist *omp_namelist; bool omp_bool; gfc_omp_atomic_op omp_atomic; } ext; /* Points to additional structures required by statement */ /* Cycle and break labels in constructs. */ tree cycle_label; tree exit_label; } gfc_code; /* Storage for DATA statements. */ typedef struct gfc_data_variable { gfc_expr *expr; gfc_iterator iter; struct gfc_data_variable *list, *next; } gfc_data_variable; typedef struct gfc_data_value { mpz_t repeat; gfc_expr *expr; struct gfc_data_value *next; } gfc_data_value; typedef struct gfc_data { gfc_data_variable *var; gfc_data_value *value; locus where; struct gfc_data *next; } gfc_data; /* Structure for holding compile options */ typedef struct { char *module_dir; gfc_source_form source_form; /* Maximum line lengths in fixed- and free-form source, respectively. When fixed_line_length or free_line_length are 0, the whole line is used, regardless of length. If the user requests a fixed_line_length <7 then gfc_init_options() emits a fatal error. */ int fixed_line_length; int free_line_length; /* Maximum number of continuation lines in fixed- and free-form source, respectively. */ int max_continue_fixed; int max_continue_free; int max_identifier_length; int dump_fortran_original; int dump_fortran_optimized; int warn_aliasing; int warn_ampersand; int gfc_warn_conversion; int warn_conversion_extra; int warn_function_elimination; int warn_implicit_interface; int warn_implicit_procedure; int warn_line_truncation; int warn_surprising; int warn_tabs; int warn_underflow; int warn_intrinsic_shadow; int warn_intrinsics_std; int warn_character_truncation; int warn_array_temp; int warn_align_commons; int warn_real_q_constant; int warn_unused_dummy_argument; int max_errors; int flag_all_intrinsics; int flag_default_double; int flag_default_integer; int flag_default_real; int flag_integer4_kind; int flag_real4_kind; int flag_real8_kind; int flag_dollar_ok; int flag_underscoring; int flag_second_underscore; int flag_implicit_none; int flag_max_stack_var_size; int flag_max_array_constructor; int flag_range_check; int flag_pack_derived; int flag_repack_arrays; int flag_preprocessed; int flag_f2c; int flag_automatic; int flag_backslash; int flag_backtrace; int flag_allow_leading_underscore; int flag_external_blas; int blas_matmul_limit; int flag_cray_pointer; int flag_d_lines; int gfc_flag_openmp; int flag_sign_zero; int flag_stack_arrays; int flag_module_private; int flag_recursive; int flag_init_local_zero; int flag_init_integer; int flag_init_integer_value; int flag_init_real; int flag_init_logical; int flag_init_character; char flag_init_character_value; int flag_align_commons; int flag_whole_file; int flag_protect_parens; int flag_realloc_lhs; int flag_aggressive_function_elimination; int flag_frontend_optimize; int fpe; int rtcheck; gfc_fcoarray coarray; int warn_std; int allow_std; int convert; int record_marker; int max_subrecord_length; } gfc_option_t; extern gfc_option_t gfc_option; /* Constructor nodes for array and structure constructors. */ typedef struct gfc_constructor { gfc_constructor_base base; mpz_t offset; /* Offset within a constructor, used as key within base. */ gfc_expr *expr; gfc_iterator *iterator; locus where; union { gfc_component *component; /* Record the component being initialized. */ } n; mpz_t repeat; /* Record the repeat number of initial values in data statement like "data a/5*10/". */ } gfc_constructor; typedef struct iterator_stack { gfc_symtree *variable; mpz_t value; struct iterator_stack *prev; } iterator_stack; extern iterator_stack *iter_stack; /* Used for (possibly nested) SELECT TYPE statements. */ typedef struct gfc_select_type_stack { gfc_symbol *selector; /* Current selector variable. */ gfc_symtree *tmp; /* Current temporary variable. */ struct gfc_select_type_stack *prev; /* Previous element on stack. */ } gfc_select_type_stack; extern gfc_select_type_stack *select_type_stack; #define gfc_get_select_type_stack() XCNEW (gfc_select_type_stack) /* Node in the linked list used for storing finalizer procedures. */ typedef struct gfc_finalizer { struct gfc_finalizer* next; locus where; /* Where the FINAL declaration occurred. */ /* Up to resolution, we want the gfc_symbol, there we lookup the corresponding symtree and later need only that. This way, we can access and call the finalizers from every context as they should be "always accessible". I don't make this a union because we need the information whether proc_sym is still referenced or not for dereferencing it on deleting a gfc_finalizer structure. */ gfc_symbol* proc_sym; gfc_symtree* proc_tree; } gfc_finalizer; #define gfc_get_finalizer() XCNEW (gfc_finalizer) /************************ Function prototypes *************************/ /* decl.c */ bool gfc_in_match_data (void); match gfc_match_char_spec (gfc_typespec *); /* scanner.c */ void gfc_scanner_done_1 (void); void gfc_scanner_init_1 (void); void gfc_add_include_path (const char *, bool, bool); void gfc_add_intrinsic_modules_path (const char *); void gfc_release_include_path (void); FILE *gfc_open_included_file (const char *, bool, bool); FILE *gfc_open_intrinsic_module (const char *); int gfc_at_end (void); int gfc_at_eof (void); int gfc_at_bol (void); int gfc_at_eol (void); void gfc_advance_line (void); int gfc_check_include (void); int gfc_define_undef_line (void); int gfc_wide_is_printable (gfc_char_t); int gfc_wide_is_digit (gfc_char_t); int gfc_wide_fits_in_byte (gfc_char_t); gfc_char_t gfc_wide_tolower (gfc_char_t); gfc_char_t gfc_wide_toupper (gfc_char_t); size_t gfc_wide_strlen (const gfc_char_t *); int gfc_wide_strncasecmp (const gfc_char_t *, const char *, size_t); gfc_char_t *gfc_wide_memset (gfc_char_t *, gfc_char_t, size_t); char *gfc_widechar_to_char (const gfc_char_t *, int); gfc_char_t *gfc_char_to_widechar (const char *); #define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n) void gfc_skip_comments (void); gfc_char_t gfc_next_char_literal (gfc_instring); gfc_char_t gfc_next_char (void); char gfc_next_ascii_char (void); gfc_char_t gfc_peek_char (void); char gfc_peek_ascii_char (void); void gfc_error_recovery (void); void gfc_gobble_whitespace (void); gfc_try gfc_new_file (void); const char * gfc_read_orig_filename (const char *, const char **); extern gfc_source_form gfc_current_form; extern const char *gfc_source_file; extern locus gfc_current_locus; void gfc_start_source_files (void); void gfc_end_source_files (void); /* misc.c */ int gfc_terminal_width (void); void gfc_clear_ts (gfc_typespec *); FILE *gfc_open_file (const char *); const char *gfc_basic_typename (bt); const char *gfc_typename (gfc_typespec *); const char *gfc_op2string (gfc_intrinsic_op); const char *gfc_code2string (const mstring *, int); int gfc_string2code (const mstring *, const char *); const char *gfc_intent_string (sym_intent); void gfc_init_1 (void); void gfc_init_2 (void); void gfc_done_1 (void); void gfc_done_2 (void); int get_c_kind (const char *, CInteropKind_t *); /* options.c */ unsigned int gfc_option_lang_mask (void); void gfc_init_options_struct (struct gcc_options *); void gfc_init_options (unsigned int, struct cl_decoded_option *); bool gfc_handle_option (size_t, const char *, int, int, location_t, const struct cl_option_handlers *); bool gfc_post_options (const char **); char *gfc_get_option_string (void); /* f95-lang.c */ void gfc_maybe_initialize_eh (void); /* iresolve.c */ const char * gfc_get_string (const char *, ...) ATTRIBUTE_PRINTF_1; bool gfc_find_sym_in_expr (gfc_symbol *, gfc_expr *); /* error.c */ typedef struct gfc_error_buf { int flag; size_t allocated, index; char *message; } gfc_error_buf; void gfc_error_init_1 (void); void gfc_buffer_error (int); const char *gfc_print_wide_char (gfc_char_t); void gfc_warning (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); void gfc_warning_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); void gfc_clear_warning (void); void gfc_warning_check (void); void gfc_error (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); void gfc_error_now (const char *, ...) ATTRIBUTE_GCC_GFC(1,2); void gfc_fatal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); void gfc_internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_GCC_GFC(1,2); void gfc_clear_error (void); int gfc_error_check (void); int gfc_error_flag_test (void); notification gfc_notification_std (int); gfc_try gfc_notify_std (int, const char *, ...) ATTRIBUTE_GCC_GFC(2,3); /* A general purpose syntax error. */ #define gfc_syntax_error(ST) \ gfc_error ("Syntax error in %s statement at %C", gfc_ascii_statement (ST)); void gfc_push_error (gfc_error_buf *); void gfc_pop_error (gfc_error_buf *); void gfc_free_error (gfc_error_buf *); void gfc_get_errors (int *, int *); void gfc_errors_to_warnings (int); /* arith.c */ void gfc_arith_init_1 (void); void gfc_arith_done_1 (void); arith gfc_check_integer_range (mpz_t p, int kind); bool gfc_check_character_range (gfc_char_t, int); /* trans-types.c */ gfc_try gfc_check_any_c_kind (gfc_typespec *); int gfc_validate_kind (bt, int, bool); int gfc_get_int_kind_from_width_isofortranenv (int size); int gfc_get_real_kind_from_width_isofortranenv (int size); tree gfc_get_derived_type (gfc_symbol * derived); extern int gfc_index_integer_kind; extern int gfc_default_integer_kind; extern int gfc_max_integer_kind; extern int gfc_default_real_kind; extern int gfc_default_double_kind; extern int gfc_default_character_kind; extern int gfc_default_logical_kind; extern int gfc_default_complex_kind; extern int gfc_c_int_kind; extern int gfc_atomic_int_kind; extern int gfc_atomic_logical_kind; extern int gfc_intio_kind; extern int gfc_charlen_int_kind; extern int gfc_numeric_storage_size; extern int gfc_character_storage_size; /* symbol.c */ void gfc_clear_new_implicit (void); gfc_try gfc_add_new_implicit_range (int, int); gfc_try gfc_merge_new_implicit (gfc_typespec *); void gfc_set_implicit_none (void); void gfc_check_function_type (gfc_namespace *); bool gfc_is_intrinsic_typename (const char *); gfc_typespec *gfc_get_default_type (const char *, gfc_namespace *); gfc_try gfc_set_default_type (gfc_symbol *, int, gfc_namespace *); void gfc_set_sym_referenced (gfc_symbol *); gfc_try gfc_add_attribute (symbol_attribute *, locus *); gfc_try gfc_add_ext_attribute (symbol_attribute *, ext_attr_id_t, locus *); gfc_try gfc_add_allocatable (symbol_attribute *, locus *); gfc_try gfc_add_codimension (symbol_attribute *, const char *, locus *); gfc_try gfc_add_contiguous (symbol_attribute *, const char *, locus *); gfc_try gfc_add_dimension (symbol_attribute *, const char *, locus *); gfc_try gfc_add_external (symbol_attribute *, locus *); gfc_try gfc_add_intrinsic (symbol_attribute *, locus *); gfc_try gfc_add_optional (symbol_attribute *, locus *); gfc_try gfc_add_pointer (symbol_attribute *, locus *); gfc_try gfc_add_cray_pointer (symbol_attribute *, locus *); gfc_try gfc_add_cray_pointee (symbol_attribute *, locus *); match gfc_mod_pointee_as (gfc_array_spec *); gfc_try gfc_add_protected (symbol_attribute *, const char *, locus *); gfc_try gfc_add_result (symbol_attribute *, const char *, locus *); gfc_try gfc_add_save (symbol_attribute *, save_state, const char *, locus *); gfc_try gfc_add_threadprivate (symbol_attribute *, const char *, locus *); gfc_try gfc_add_saved_common (symbol_attribute *, locus *); gfc_try gfc_add_target (symbol_attribute *, locus *); gfc_try gfc_add_dummy (symbol_attribute *, const char *, locus *); gfc_try gfc_add_generic (symbol_attribute *, const char *, locus *); gfc_try gfc_add_common (symbol_attribute *, locus *); gfc_try gfc_add_in_common (symbol_attribute *, const char *, locus *); gfc_try gfc_add_in_equivalence (symbol_attribute *, const char *, locus *); gfc_try gfc_add_data (symbol_attribute *, const char *, locus *); gfc_try gfc_add_in_namelist (symbol_attribute *, const char *, locus *); gfc_try gfc_add_sequence (symbol_attribute *, const char *, locus *); gfc_try gfc_add_elemental (symbol_attribute *, locus *); gfc_try gfc_add_pure (symbol_attribute *, locus *); gfc_try gfc_add_recursive (symbol_attribute *, locus *); gfc_try gfc_add_function (symbol_attribute *, const char *, locus *); gfc_try gfc_add_subroutine (symbol_attribute *, const char *, locus *); gfc_try gfc_add_volatile (symbol_attribute *, const char *, locus *); gfc_try gfc_add_asynchronous (symbol_attribute *, const char *, locus *); gfc_try gfc_add_proc (symbol_attribute *attr, const char *name, locus *where); gfc_try gfc_add_abstract (symbol_attribute* attr, locus* where); gfc_try gfc_add_access (symbol_attribute *, gfc_access, const char *, locus *); gfc_try gfc_add_is_bind_c (symbol_attribute *, const char *, locus *, int); gfc_try gfc_add_extension (symbol_attribute *, locus *); gfc_try gfc_add_value (symbol_attribute *, const char *, locus *); gfc_try gfc_add_flavor (symbol_attribute *, sym_flavor, const char *, locus *); gfc_try gfc_add_entry (symbol_attribute *, const char *, locus *); gfc_try gfc_add_procedure (symbol_attribute *, procedure_type, const char *, locus *); gfc_try gfc_add_intent (symbol_attribute *, sym_intent, locus *); gfc_try gfc_add_explicit_interface (gfc_symbol *, ifsrc, gfc_formal_arglist *, locus *); gfc_try gfc_add_type (gfc_symbol *, gfc_typespec *, locus *); void gfc_clear_attr (symbol_attribute *); gfc_try gfc_missing_attr (symbol_attribute *, locus *); gfc_try gfc_copy_attr (symbol_attribute *, symbol_attribute *, locus *); gfc_try gfc_add_component (gfc_symbol *, const char *, gfc_component **); gfc_symbol *gfc_use_derived (gfc_symbol *); gfc_symtree *gfc_use_derived_tree (gfc_symtree *); gfc_component *gfc_find_component (gfc_symbol *, const char *, bool, bool); gfc_st_label *gfc_get_st_label (int); void gfc_free_st_label (gfc_st_label *); void gfc_define_st_label (gfc_st_label *, gfc_sl_type, locus *); gfc_try gfc_reference_st_label (gfc_st_label *, gfc_sl_type); gfc_namespace *gfc_get_namespace (gfc_namespace *, int); gfc_symtree *gfc_new_symtree (gfc_symtree **, const char *); gfc_symtree *gfc_find_symtree (gfc_symtree *, const char *); void gfc_delete_symtree (gfc_symtree **, const char *); gfc_symtree *gfc_get_unique_symtree (gfc_namespace *); gfc_user_op *gfc_get_uop (const char *); gfc_user_op *gfc_find_uop (const char *, gfc_namespace *); void gfc_free_symbol (gfc_symbol *); void gfc_release_symbol (gfc_symbol *); gfc_symbol *gfc_new_symbol (const char *, gfc_namespace *); gfc_symtree* gfc_find_symtree_in_proc (const char *, gfc_namespace *); int gfc_find_symbol (const char *, gfc_namespace *, int, gfc_symbol **); int gfc_find_sym_tree (const char *, gfc_namespace *, int, gfc_symtree **); int gfc_get_symbol (const char *, gfc_namespace *, gfc_symbol **); gfc_try gfc_verify_c_interop (gfc_typespec *); gfc_try gfc_verify_c_interop_param (gfc_symbol *); gfc_try verify_bind_c_sym (gfc_symbol *, gfc_typespec *, int, gfc_common_head *); gfc_try verify_bind_c_derived_type (gfc_symbol *); gfc_try verify_com_block_vars_c_interop (gfc_common_head *); void generate_isocbinding_symbol (const char *, iso_c_binding_symbol, const char *); gfc_symbol *get_iso_c_sym (gfc_symbol *, char *, const char *, int); int gfc_get_sym_tree (const char *, gfc_namespace *, gfc_symtree **, bool); int gfc_get_ha_symbol (const char *, gfc_symbol **); int gfc_get_ha_sym_tree (const char *, gfc_symtree **); void gfc_undo_symbols (void); void gfc_commit_symbols (void); void gfc_commit_symbol (gfc_symbol *); gfc_charlen *gfc_new_charlen (gfc_namespace *, gfc_charlen *); void gfc_free_charlen (gfc_charlen *, gfc_charlen *); void gfc_free_namespace (gfc_namespace *); void gfc_symbol_init_2 (void); void gfc_symbol_done_2 (void); void gfc_traverse_symtree (gfc_symtree *, void (*)(gfc_symtree *)); void gfc_traverse_ns (gfc_namespace *, void (*)(gfc_symbol *)); void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *)); void gfc_save_all (gfc_namespace *); void gfc_enforce_clean_symbol_state (void); void gfc_free_dt_list (void); gfc_gsymbol *gfc_get_gsymbol (const char *); gfc_gsymbol *gfc_find_gsymbol (gfc_gsymbol *, const char *); gfc_typebound_proc* gfc_get_typebound_proc (gfc_typebound_proc*); gfc_symbol* gfc_get_derived_super_type (gfc_symbol*); gfc_symbol* gfc_get_ultimate_derived_super_type (gfc_symbol*); bool gfc_type_is_extension_of (gfc_symbol *, gfc_symbol *); bool gfc_type_compatible (gfc_typespec *, gfc_typespec *); void gfc_copy_formal_args (gfc_symbol *, gfc_symbol *); void gfc_copy_formal_args_intr (gfc_symbol *, gfc_intrinsic_sym *); void gfc_copy_formal_args_ppc (gfc_component *, gfc_symbol *); void gfc_free_finalizer (gfc_finalizer *el); /* Needed in resolve.c, too */ gfc_try gfc_check_symbol_typed (gfc_symbol*, gfc_namespace*, bool, locus); gfc_namespace* gfc_find_proc_namespace (gfc_namespace*); bool gfc_is_associate_pointer (gfc_symbol*); gfc_symbol * gfc_find_dt_in_generic (gfc_symbol *); /* intrinsic.c -- true if working in an init-expr, false otherwise. */ extern bool gfc_init_expr_flag; /* Given a symbol that we have decided is intrinsic, mark it as such by placing it into a special module that is otherwise impossible to read or write. */ #define gfc_intrinsic_symbol(SYM) SYM->module = gfc_get_string ("(intrinsic)") void gfc_intrinsic_init_1 (void); void gfc_intrinsic_done_1 (void); char gfc_type_letter (bt); gfc_symbol * gfc_get_intrinsic_sub_symbol (const char *); gfc_try gfc_convert_type (gfc_expr *, gfc_typespec *, int); gfc_try gfc_convert_type_warn (gfc_expr *, gfc_typespec *, int, int); gfc_try gfc_convert_chartype (gfc_expr *, gfc_typespec *); int gfc_generic_intrinsic (const char *); int gfc_specific_intrinsic (const char *); bool gfc_is_intrinsic (gfc_symbol*, int, locus); int gfc_intrinsic_actual_ok (const char *, const bool); gfc_intrinsic_sym *gfc_find_function (const char *); gfc_intrinsic_sym *gfc_find_subroutine (const char *); gfc_intrinsic_sym *gfc_intrinsic_function_by_id (gfc_isym_id); match gfc_intrinsic_func_interface (gfc_expr *, int); match gfc_intrinsic_sub_interface (gfc_code *, int); void gfc_warn_intrinsic_shadow (const gfc_symbol*, bool, bool); gfc_try gfc_check_intrinsic_standard (const gfc_intrinsic_sym*, const char**, bool, locus); /* match.c -- FIXME */ void gfc_free_iterator (gfc_iterator *, int); void gfc_free_forall_iterator (gfc_forall_iterator *); void gfc_free_alloc_list (gfc_alloc *); void gfc_free_namelist (gfc_namelist *); void gfc_free_equiv (gfc_equiv *); void gfc_free_equiv_until (gfc_equiv *, gfc_equiv *); void gfc_free_data (gfc_data *); void gfc_free_case_list (gfc_case *); /* matchexp.c -- FIXME too? */ gfc_expr *gfc_get_parentheses (gfc_expr *); /* openmp.c */ struct gfc_omp_saved_state { void *ptrs[2]; int ints[1]; }; void gfc_free_omp_clauses (gfc_omp_clauses *); void gfc_resolve_omp_directive (gfc_code *, gfc_namespace *); void gfc_resolve_do_iterator (gfc_code *, gfc_symbol *); void gfc_resolve_omp_parallel_blocks (gfc_code *, gfc_namespace *); void gfc_resolve_omp_do_blocks (gfc_code *, gfc_namespace *); void gfc_omp_save_and_clear_state (struct gfc_omp_saved_state *); void gfc_omp_restore_state (struct gfc_omp_saved_state *); /* expr.c */ void gfc_free_actual_arglist (gfc_actual_arglist *); gfc_actual_arglist *gfc_copy_actual_arglist (gfc_actual_arglist *); const char *gfc_extract_int (gfc_expr *, int *); bool is_subref_array (gfc_expr *); bool gfc_is_simply_contiguous (gfc_expr *, bool); gfc_expr *gfc_build_conversion (gfc_expr *); void gfc_free_ref_list (gfc_ref *); void gfc_type_convert_binary (gfc_expr *, int); int gfc_is_constant_expr (gfc_expr *); gfc_try gfc_simplify_expr (gfc_expr *, int); int gfc_has_vector_index (gfc_expr *); gfc_expr *gfc_get_expr (void); gfc_expr *gfc_get_array_expr (bt type, int kind, locus *); gfc_expr *gfc_get_null_expr (locus *); gfc_expr *gfc_get_operator_expr (locus *, gfc_intrinsic_op,gfc_expr *, gfc_expr *); gfc_expr *gfc_get_structure_constructor_expr (bt, int, locus *); gfc_expr *gfc_get_constant_expr (bt, int, locus *); gfc_expr *gfc_get_character_expr (int, locus *, const char *, int len); gfc_expr *gfc_get_int_expr (int, locus *, int); gfc_expr *gfc_get_logical_expr (int, locus *, bool); gfc_expr *gfc_get_iokind_expr (locus *, io_kind); void gfc_clear_shape (mpz_t *shape, int rank); void gfc_free_shape (mpz_t **shape, int rank); void gfc_free_expr (gfc_expr *); void gfc_replace_expr (gfc_expr *, gfc_expr *); mpz_t *gfc_copy_shape (mpz_t *, int); mpz_t *gfc_copy_shape_excluding (mpz_t *, int, gfc_expr *); gfc_expr *gfc_copy_expr (gfc_expr *); gfc_ref* gfc_copy_ref (gfc_ref*); gfc_try gfc_specification_expr (gfc_expr *); int gfc_numeric_ts (gfc_typespec *); int gfc_kind_max (gfc_expr *, gfc_expr *); gfc_try gfc_check_conformance (gfc_expr *, gfc_expr *, const char *, ...) ATTRIBUTE_PRINTF_3; gfc_try gfc_check_assign (gfc_expr *, gfc_expr *, int); gfc_try gfc_check_pointer_assign (gfc_expr *, gfc_expr *); gfc_try gfc_check_assign_symbol (gfc_symbol *, gfc_expr *); bool gfc_has_default_initializer (gfc_symbol *); gfc_expr *gfc_default_initializer (gfc_typespec *); gfc_expr *gfc_get_variable_expr (gfc_symtree *); gfc_expr * gfc_lval_expr_from_sym (gfc_symbol *); gfc_array_spec *gfc_get_full_arrayspec_from_expr (gfc_expr *expr); bool gfc_traverse_expr (gfc_expr *, gfc_symbol *, bool (*)(gfc_expr *, gfc_symbol *, int*), int); void gfc_expr_set_symbols_referenced (gfc_expr *); gfc_try gfc_expr_check_typed (gfc_expr*, gfc_namespace*, bool); void gfc_expr_replace_symbols (gfc_expr *, gfc_symbol *); void gfc_expr_replace_comp (gfc_expr *, gfc_component *); bool gfc_is_proc_ptr_comp (gfc_expr *, gfc_component **); bool gfc_ref_this_image (gfc_ref *ref); bool gfc_is_coindexed (gfc_expr *); bool gfc_is_coarray (gfc_expr *); int gfc_get_corank (gfc_expr *); bool gfc_has_ultimate_allocatable (gfc_expr *); bool gfc_has_ultimate_pointer (gfc_expr *); gfc_expr* gfc_build_intrinsic_call (const char*, locus, unsigned, ...); gfc_try gfc_check_vardef_context (gfc_expr*, bool, bool, const char*); /* st.c */ extern gfc_code new_st; void gfc_clear_new_st (void); gfc_code *gfc_get_code (void); gfc_code *gfc_append_code (gfc_code *, gfc_code *); void gfc_free_statement (gfc_code *); void gfc_free_statements (gfc_code *); void gfc_free_association_list (gfc_association_list *); /* resolve.c */ gfc_try gfc_resolve_expr (gfc_expr *); void gfc_resolve (gfc_namespace *); void gfc_resolve_blocks (gfc_code *, gfc_namespace *); int gfc_impure_variable (gfc_symbol *); int gfc_pure (gfc_symbol *); int gfc_implicit_pure (gfc_symbol *); int gfc_elemental (gfc_symbol *); gfc_try gfc_resolve_iterator (gfc_iterator *, bool); gfc_try find_forall_index (gfc_expr *, gfc_symbol *, int); gfc_try gfc_resolve_index (gfc_expr *, int); gfc_try gfc_resolve_dim_arg (gfc_expr *); int gfc_is_formal_arg (void); void gfc_resolve_substring_charlen (gfc_expr *); match gfc_iso_c_sub_interface(gfc_code *, gfc_symbol *); gfc_expr *gfc_expr_to_initialize (gfc_expr *); bool gfc_type_is_extensible (gfc_symbol *sym); /* array.c */ gfc_iterator *gfc_copy_iterator (gfc_iterator *); void gfc_free_array_spec (gfc_array_spec *); gfc_array_ref *gfc_copy_array_ref (gfc_array_ref *); gfc_try gfc_set_array_spec (gfc_symbol *, gfc_array_spec *, locus *); gfc_array_spec *gfc_copy_array_spec (gfc_array_spec *); gfc_try gfc_resolve_array_spec (gfc_array_spec *, int); int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *); void gfc_simplify_iterator_var (gfc_expr *); gfc_try gfc_expand_constructor (gfc_expr *, bool); int gfc_constant_ac (gfc_expr *); int gfc_expanded_ac (gfc_expr *); gfc_try gfc_resolve_character_array_constructor (gfc_expr *); gfc_try gfc_resolve_array_constructor (gfc_expr *); gfc_try gfc_check_constructor_type (gfc_expr *); gfc_try gfc_check_iter_variable (gfc_expr *); gfc_try gfc_check_constructor (gfc_expr *, gfc_try (*)(gfc_expr *)); gfc_try gfc_array_size (gfc_expr *, mpz_t *); gfc_try gfc_array_dimen_size (gfc_expr *, int, mpz_t *); gfc_try gfc_array_ref_shape (gfc_array_ref *, mpz_t *); gfc_array_ref *gfc_find_array_ref (gfc_expr *); tree gfc_conv_array_initializer (tree type, gfc_expr *); gfc_try spec_size (gfc_array_spec *, mpz_t *); gfc_try spec_dimen_size (gfc_array_spec *, int, mpz_t *); int gfc_is_compile_time_shape (gfc_array_spec *); gfc_try gfc_ref_dimen_size (gfc_array_ref *, int dimen, mpz_t *, mpz_t *); /* interface.c -- FIXME: some of these should be in symbol.c */ void gfc_free_interface (gfc_interface *); int gfc_compare_derived_types (gfc_symbol *, gfc_symbol *); int gfc_compare_types (gfc_typespec *, gfc_typespec *); int gfc_compare_interfaces (gfc_symbol*, gfc_symbol*, const char *, int, int, char *, int); void gfc_check_interfaces (gfc_namespace *); void gfc_procedure_use (gfc_symbol *, gfc_actual_arglist **, locus *); void gfc_ppc_use (gfc_component *, gfc_actual_arglist **, locus *); gfc_symbol *gfc_search_interface (gfc_interface *, int, gfc_actual_arglist **); match gfc_extend_expr (gfc_expr *); void gfc_free_formal_arglist (gfc_formal_arglist *); gfc_try gfc_extend_assign (gfc_code *, gfc_namespace *); gfc_try gfc_add_interface (gfc_symbol *); gfc_interface *gfc_current_interface_head (void); void gfc_set_current_interface_head (gfc_interface *); gfc_symtree* gfc_find_sym_in_symtree (gfc_symbol*); bool gfc_arglist_matches_symbol (gfc_actual_arglist**, gfc_symbol*); bool gfc_check_operator_interface (gfc_symbol*, gfc_intrinsic_op, locus); int gfc_has_vector_subscript (gfc_expr*); gfc_intrinsic_op gfc_equivalent_op (gfc_intrinsic_op); gfc_try gfc_check_typebound_override (gfc_symtree*, gfc_symtree*); /* io.c */ extern gfc_st_label format_asterisk; void gfc_free_open (gfc_open *); gfc_try gfc_resolve_open (gfc_open *); void gfc_free_close (gfc_close *); gfc_try gfc_resolve_close (gfc_close *); void gfc_free_filepos (gfc_filepos *); gfc_try gfc_resolve_filepos (gfc_filepos *); void gfc_free_inquire (gfc_inquire *); gfc_try gfc_resolve_inquire (gfc_inquire *); void gfc_free_dt (gfc_dt *); gfc_try gfc_resolve_dt (gfc_dt *, locus *); void gfc_free_wait (gfc_wait *); gfc_try gfc_resolve_wait (gfc_wait *); /* module.c */ void gfc_module_init_2 (void); void gfc_module_done_2 (void); void gfc_dump_module (const char *, int); bool gfc_check_symbol_access (gfc_symbol *); void gfc_free_use_stmts (gfc_use_list *); /* primary.c */ symbol_attribute gfc_variable_attr (gfc_expr *, gfc_typespec *); symbol_attribute gfc_expr_attr (gfc_expr *); match gfc_match_rvalue (gfc_expr **); match gfc_match_varspec (gfc_expr*, int, bool, bool); int gfc_check_digit (char, int); bool gfc_is_function_return_value (gfc_symbol *, gfc_namespace *); gfc_try gfc_convert_to_structure_constructor (gfc_expr *, gfc_symbol *, gfc_expr **, gfc_actual_arglist **, bool); /* trans.c */ void gfc_generate_code (gfc_namespace *); void gfc_generate_module_code (gfc_namespace *); void gfc_init_coarray_decl (bool); /* trans-intrinsic.c */ bool gfc_inline_intrinsic_function_p (gfc_expr *); /* bbt.c */ typedef int (*compare_fn) (void *, void *); void gfc_insert_bbt (void *, void *, compare_fn); void gfc_delete_bbt (void *, void *, compare_fn); /* dump-parse-tree.c */ void gfc_dump_parse_tree (gfc_namespace *, FILE *); /* parse.c */ gfc_try gfc_parse_file (void); void gfc_global_used (gfc_gsymbol *, locus *); gfc_namespace* gfc_build_block_ns (gfc_namespace *); /* dependency.c */ int gfc_dep_compare_functions (gfc_expr *, gfc_expr *, bool); int gfc_dep_compare_expr (gfc_expr *, gfc_expr *); /* check.c */ gfc_try gfc_check_same_strlen (const gfc_expr*, const gfc_expr*, const char*); gfc_try gfc_calculate_transfer_sizes (gfc_expr*, gfc_expr*, gfc_expr*, size_t*, size_t*, size_t*); /* class.c */ void gfc_fix_class_refs (gfc_expr *e); void gfc_add_component_ref (gfc_expr *, const char *); void gfc_add_class_array_ref (gfc_expr *); #define gfc_add_data_component(e) gfc_add_component_ref(e,"_data") #define gfc_add_vptr_component(e) gfc_add_component_ref(e,"_vptr") #define gfc_add_hash_component(e) gfc_add_component_ref(e,"_hash") #define gfc_add_size_component(e) gfc_add_component_ref(e,"_size") #define gfc_add_def_init_component(e) gfc_add_component_ref(e,"_def_init") bool gfc_is_class_array_ref (gfc_expr *, bool *); bool gfc_is_class_scalar_expr (gfc_expr *); gfc_expr *gfc_class_null_initializer (gfc_typespec *); unsigned int gfc_hash_value (gfc_symbol *); gfc_try gfc_build_class_symbol (gfc_typespec *, symbol_attribute *, gfc_array_spec **, bool); gfc_symbol *gfc_find_derived_vtab (gfc_symbol *); gfc_symtree* gfc_find_typebound_proc (gfc_symbol*, gfc_try*, const char*, bool, locus*); gfc_symtree* gfc_find_typebound_user_op (gfc_symbol*, gfc_try*, const char*, bool, locus*); gfc_typebound_proc* gfc_find_typebound_intrinsic_op (gfc_symbol*, gfc_try*, gfc_intrinsic_op, bool, locus*); gfc_symtree* gfc_get_tbp_symtree (gfc_symtree**, const char*); #define CLASS_DATA(sym) sym->ts.u.derived->components /* frontend-passes.c */ void gfc_run_passes (gfc_namespace *); typedef int (*walk_code_fn_t) (gfc_code **, int *, void *); typedef int (*walk_expr_fn_t) (gfc_expr **, int *, void *); int gfc_expr_walker (gfc_expr **, walk_expr_fn_t, void *); int gfc_code_walker (gfc_code **, walk_code_fn_t, walk_expr_fn_t, void *); #endif /* GCC_GFORTRAN_H */
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