/* gfortran header file
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
- 2009, 2010
+ 2009, 2010, 2011
Free Software Foundation, Inc.
Contributed by Andy Vaught
#include "coretypes.h"
#include "input.h"
#include "splay-tree.h"
-/* The following ifdefs are recommended by the autoconf documentation
- for any code using alloca. */
-
-/* AIX requires this to be the first thing in the file. */
-#ifdef __GNUC__
-#else /* not __GNUC__ */
-#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#else /* do not HAVE_ALLOCA_H */
-#ifdef _AIX
-#pragma alloca
-#else
-#ifndef alloca /* predefined by HP cc +Olibcalls */
-char *alloca ();
-#endif /* not predefined */
-#endif /* not _AIX */
-#endif /* do not HAVE_ALLOCA_H */
-#endif /* not __GNUC__ */
/* Major control parameters. */
#define free(x) Use_gfc_free_instead_of_free()
#define gfc_is_whitespace(c) ((c==' ') || (c=='\t'))
-#ifndef NULL
-#define NULL ((void *) 0)
-#endif
-
/* Stringization. */
#define stringize(x) expand_macro(x)
#define expand_macro(x) # x
{ 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. */
{ 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;
-/* Basic types. BT_VOID is used by ISO C Binding so funcs like c_f_pointer
- can take any arg with the pointer attribute as a param. */
-typedef enum
-{ BT_UNKNOWN = 1, BT_INTEGER, BT_REAL, BT_COMPLEX, BT_LOGICAL, BT_CHARACTER,
- BT_DERIVED, BT_CLASS, BT_PROCEDURE, BT_HOLLERITH, BT_VOID
-}
-bt;
-
/* Expression node types. */
typedef enum
{ EXPR_OP = 1, EXPR_FUNCTION, EXPR_CONSTANT, EXPR_VARIABLE,
/* Array types. */
typedef enum
{ AS_EXPLICIT = 1, AS_ASSUMED_SHAPE, AS_DEFERRED,
- AS_ASSUMED_SIZE, AS_UNKNOWN
+ AS_ASSUMED_SIZE, AS_IMPLIED_SHAPE, AS_UNKNOWN
}
array_type;
}
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
}
gfc_statement;
-
/* Types of interfaces that we can have. Assignment interfaces are
considered to be intrinsic operators. */
typedef enum
GFC_ISYM_ATAN,
GFC_ISYM_ATAN2,
GFC_ISYM_ATANH,
+ 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_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_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_ERFC,
GFC_ISYM_ERFC_SCALED,
GFC_ISYM_ETIME,
+ GFC_ISYM_EXECUTE_COMMAND_LINE,
GFC_ISYM_EXIT,
GFC_ISYM_EXP,
GFC_ISYM_EXPONENT,
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_INT2,
GFC_ISYM_INT8,
GFC_ISYM_IOR,
+ GFC_ISYM_IPARITY,
GFC_ISYM_IRAND,
GFC_ISYM_ISATTY,
GFC_ISYM_IS_IOSTAT_END,
GFC_ISYM_J0,
GFC_ISYM_J1,
GFC_ISYM_JN,
+ GFC_ISYM_JN2,
GFC_ISYM_KILL,
GFC_ISYM_KIND,
GFC_ISYM_LBOUND,
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_MCLOCK,
GFC_ISYM_MCLOCK8,
GFC_ISYM_MERGE,
+ GFC_ISYM_MERGE_BITS,
GFC_ISYM_MIN,
GFC_ISYM_MINEXPONENT,
GFC_ISYM_MINLOC,
GFC_ISYM_NEAREST,
GFC_ISYM_NEW_LINE,
GFC_ISYM_NINT,
+ GFC_ISYM_NORM2,
GFC_ISYM_NOT,
GFC_ISYM_NULL,
GFC_ISYM_NUMIMAGES,
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_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_XOR,
GFC_ISYM_Y0,
GFC_ISYM_Y1,
- GFC_ISYM_YN
+ GFC_ISYM_YN,
+ GFC_ISYM_YN2
};
typedef enum gfc_isym_id gfc_isym_id;
}
gfc_fcoarray;
+typedef enum
+{
+ GFC_REVERSE_NOT_SET,
+ GFC_REVERSE_SET,
+ GFC_CAN_REVERSE,
+ GFC_CANNOT_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,
typedef enum
{
ISOFORTRANENV_INVALID = -1,
}
iso_fortran_env_symbol;
#undef NAMED_INTCST
+#undef NAMED_KINDARRAY
+#undef NAMED_FUNCTION
#define NAMED_INTCST(a,b,c,d) a,
#define NAMED_REALCST(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,
#undef NAMED_CHARCST
#undef DERIVED_TYPE
#undef PROCEDURE
+#undef NAMED_FUNCTION
typedef enum
{
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;
unsigned alloc_comp:1, pointer_comp:1, proc_pointer_comp:1,
private_comp:1, zero_comp:1, coarray_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;
struct gfc_charlen *next;
bool length_from_typespec; /* Length from explicit array ctor typespec? */
tree backend_decl;
- tree passed_length; /* Length argument explicitelly passed. */
+ tree passed_length; /* Length argument explicitly passed. */
int resolved;
}
{
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;
+ bt f90_type;
+ bool deferred;
}
gfc_typespec;
struct gfc_code *code;
/* Points to the equivalences set up in this namespace. */
- struct gfc_equiv *equiv;
+ struct gfc_equiv *equiv, *old_equiv;
/* Points to the equivalence groups produced by trans_common. */
struct gfc_equiv_list *equiv_lists;
char name[GFC_MAX_SYMBOL_LEN + 1];
gfc_typespec ts;
- int optional;
+ unsigned optional:1, value:1;
ENUM_BITFIELD (sym_intent) intent:2;
gfc_actual_arglist *actual;
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;
+ generic:1, specific:1, actual_ok:1, noreturn:1, conversion:1,
+ from_module:1;
int standard;
locus where;
- /* True if the expression is a call to a function that returns an array,
- and if we have decided not to allocate temporary data for that array.
- is_boz is true if the integer is regarded as BOZ bitpatten and is_snan
+ /* is_boz is true if the integer is regarded as BOZ bitpatten and is_snan
denotes a signalling not-a-number. */
- unsigned int inline_noncopying_intrinsic : 1, is_boz : 1, is_snan : 1;
+ 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 c_float : 1;
unsigned int c_double : 1;
unsigned int c_long_double : 1;
+ unsigned int c_float128 : 1;
}
gfc_real_info;
{
gfc_expr *io_unit, *format_expr, *rec, *advance, *iostat, *size, *iomsg,
*id, *pos, *asynchronous, *blank, *decimal, *delim, *pad, *round,
- *sign, *extra_comma;
+ *sign, *extra_comma, *dt_io_kind;
gfc_symbol *namelist;
/* A format_label of `format_asterisk' indicates the "*" format */
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;
union
{
gfc_actual_arglist *actual;
- gfc_case *case_list;
gfc_iterator *iterator;
struct
{
gfc_namespace *ns;
gfc_association_list *assoc;
+ gfc_case *case_list;
}
block;
gfc_wait *wait;
gfc_dt *dt;
gfc_forall_iterator *forall_iterator;
- struct gfc_code *whichloop;
+ struct gfc_code *which_construct;
int stop_code;
gfc_entry_list *entry;
gfc_omp_clauses *omp_clauses;
}
ext; /* Points to additional structures required by statement */
- /* Cycle and break labels in do loops. */
+ /* Cycle and break labels in constructs. */
tree cycle_label;
tree exit_label;
}
int max_continue_fixed;
int max_continue_free;
int max_identifier_length;
- int dump_parse_tree;
+ int dump_fortran_original;
+ int dump_fortran_optimized;
int warn_aliasing;
int warn_ampersand;
- int warn_conversion;
+ int gfc_warn_conversion;
int warn_conversion_extra;
int warn_implicit_interface;
int warn_implicit_procedure;
int blas_matmul_limit;
int flag_cray_pointer;
int flag_d_lines;
- int flag_openmp;
+ int gfc_flag_openmp;
int flag_sign_zero;
int flag_module_private;
int flag_recursive;
int flag_align_commons;
int flag_whole_file;
int flag_protect_parens;
+ int flag_realloc_lhs;
int fpe;
int rtcheck;
#define gfc_get_wide_string(n) XCNEWVEC (gfc_char_t, n)
void gfc_skip_comments (void);
-gfc_char_t gfc_next_char_literal (int);
+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);
int get_c_kind (const char *, CInteropKind_t *);
/* options.c */
-unsigned int gfc_init_options (unsigned int, const char **);
-int gfc_handle_option (size_t, const char *, int, int);
+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);
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 *, 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 *);
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_expr * gfc_lval_expr_from_sym (gfc_symbol *);
-
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 *);
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 **);
int gfc_get_ha_symbol (const char *, gfc_symbol **);
int gfc_get_ha_sym_tree (const char *, gfc_symtree **);
-int gfc_symbols_could_alias (gfc_symbol *, gfc_symbol *);
-
void gfc_undo_symbols (void);
void gfc_commit_symbols (void);
void gfc_commit_symbol (gfc_symbol *);
void gfc_traverse_user_op (gfc_namespace *, void (*)(gfc_user_op *));
void gfc_save_all (gfc_namespace *);
-void gfc_symbol_state (void);
+void gfc_enforce_clean_symbol_state (void);
void gfc_free_dt_list (void);
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*);
/* intrinsic.c -- true if working in an init-expr, false otherwise. */
extern bool gfc_init_expr_flag;
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_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 *);
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_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, const char*);
+
/* st.c */
extern gfc_code new_st;
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 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 *);
+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 */
/* 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_expr (gfc_expr *, gfc_expr *);
/* class.c */
void gfc_add_component_ref (gfc_expr *, const char *);
+#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")
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 *);
#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 */