/* Header for code translation functions
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software
Foundation, Inc.
Contributed by Paul Brook
/* A non-elemental function call returning an array. The call is executed
before entering the scalarization loop, storing the result in a
temporary. This temporary is then used inside the scalarization loop.
- Simple assignments, eg. a(:) = fn() are handles without a temporary
+ Simple assignments, e.g. a(:) = fn(), are handled without a temporary
as a special case. */
GFC_SS_FUNCTION,
/* This is used by assignments requiring temporaries. The bits specify which
loops the terms appear in. This will be 1 for the RHS expressions,
- 2 for the LHS expressions, and 3(=1|2) for the temporary. */
- unsigned useflags:2;
+ 2 for the LHS expressions, and 3(=1|2) for the temporary. The bit
+ 'where' suppresses precalculation of scalars in WHERE assignments. */
+ unsigned useflags:2, where:1;
}
gfc_ss;
-#define gfc_get_ss() gfc_getmem(sizeof(gfc_ss))
+#define gfc_get_ss() XCNEW (gfc_ss)
/* The contents of this aren't actually used. A NULL SS chain indicates a
scalar expression, so this pointer is used to terminate SS chains. */
void gfc_conv_string_parameter (gfc_se * se);
/* Compare two strings. */
-tree gfc_build_compare_string (tree, tree, tree, tree);
+tree gfc_build_compare_string (tree, tree, tree, tree, int);
/* Add an item to the end of TREE_LIST. */
tree gfc_chainon_list (tree, tree);
void gfc_conv_expr_reference (gfc_se * se, gfc_expr *);
void gfc_conv_expr_type (gfc_se * se, gfc_expr *, tree);
+/* trans-expr.c */
+void gfc_conv_scalar_char_value (gfc_symbol *sym, gfc_se *se, gfc_expr **expr);
+
/* Find the decl containing the auxiliary variables for assigned variables. */
void gfc_conv_label_variable (gfc_se * se, gfc_expr * expr);
/* If the value is not constant, Create a temporary and copy the value. */
int gfc_conv_function_call (gfc_se *, gfc_symbol *, gfc_actual_arglist *,
tree);
-void gfc_conv_aliased_arg (gfc_se *, gfc_expr *, int, sym_intent);
-bool is_aliased_array (gfc_expr *);
+void gfc_conv_subref_array_arg (gfc_se *, gfc_expr *, int, sym_intent);
/* gfc_trans_* shouldn't call push/poplevel, use gfc_push/pop_scope */
/* Return an expression which determines if a dummy parameter is present. */
tree gfc_conv_expr_present (gfc_symbol *);
/* Convert a missing, dummy argument into a null or zero. */
-void gfc_conv_missing_dummy (gfc_se *, gfc_expr *, gfc_typespec);
+void gfc_conv_missing_dummy (gfc_se *, gfc_expr *, gfc_typespec, int);
/* Generate code to allocate a string temporary. */
tree gfc_conv_string_tmp (gfc_se *, tree, tree);
/* Get the string length variable belonging to an expression. */
tree gfc_get_expr_charlen (gfc_expr *);
/* Initialize a string length variable. */
-void gfc_trans_init_string_length (gfc_charlen *, stmtblock_t *);
+void gfc_conv_string_length (gfc_charlen *, gfc_expr *, stmtblock_t *);
/* Ensure type sizes can be gimplified. */
void gfc_trans_vla_type_sizes (gfc_symbol *, stmtblock_t *);
void gfc_add_expr_to_block (stmtblock_t *, tree);
/* Add a block to the end of a block. */
void gfc_add_block_to_block (stmtblock_t *, stmtblock_t *);
-/* Add a MODIFY_EXPR or a GIMPLE_MODIFY_STMT to a block. */
-void gfc_add_modify (stmtblock_t *, tree, tree, bool);
-#define gfc_add_modify_expr(BLOCK, LHS, RHS) \
- gfc_add_modify ((BLOCK), (LHS), (RHS), false)
-#define gfc_add_modify_stmt(BLOCK, LHS, RHS) \
- gfc_add_modify ((BLOCK), (LHS), (RHS), true)
+/* Add a MODIFY_EXPR to a block. */
+void gfc_add_modify (stmtblock_t *, tree, tree);
/* Initialize a statement block. */
void gfc_init_block (stmtblock_t *);
tree gfc_build_addr_expr (tree, tree);
/* Build an ARRAY_REF. */
-tree gfc_build_array_ref (tree, tree);
+tree gfc_build_array_ref (tree, tree, tree);
/* Creates a label. Decl is artificial if label_id == NULL_TREE. */
tree gfc_build_label_decl (tree);
/* Build a static initializer. */
tree gfc_conv_initializer (gfc_expr *, gfc_typespec *, tree, bool, bool);
+/* Assign a default initializer to a derived type. */
+tree gfc_init_default_dt (gfc_symbol *, tree);
+
/* Substitute a temporary variable in place of the real one. */
void gfc_shadow_sym (gfc_symbol *, tree, gfc_saved_var *);
/* Output a decl for a module variable. */
void gfc_generate_module_vars (gfc_namespace *);
+struct module_htab_entry GTY(())
+{
+ const char *name;
+ tree namespace_decl;
+ htab_t GTY ((param_is (union tree_node))) decls;
+};
+
+struct module_htab_entry *gfc_find_module (const char *);
+void gfc_module_add_decl (struct module_htab_entry *, tree);
+
/* Get and set the current location. */
void gfc_set_backend_locus (locus *);
void gfc_get_backend_locus (locus *);
/* Get the string length of an array constructor. */
bool get_array_ctor_strlen (stmtblock_t *, gfc_constructor *, tree *);
-/* Generate a runtime error check. */
-void gfc_trans_runtime_check (tree, const char *, stmtblock_t *, locus *);
+/* Generate a runtime error call. */
+tree gfc_trans_runtime_error (bool, locus*, const char*, ...);
+tree gfc_trans_runtime_error_vararg (bool, locus*, const char*, va_list);
+
+/* Generate a runtime warning/error check. */
+void gfc_trans_runtime_check (bool, bool, tree, stmtblock_t *, locus *,
+ const char *, ...);
+
+/* Generate a runtime check for same string length. */
+void gfc_trans_same_strlen_check (const char*, locus*, tree, tree,
+ stmtblock_t*);
/* Generate a call to free() after checking that its arg is non-NULL. */
tree gfc_call_free (tree);
/* Allocate memory after performing a few checks. */
tree gfc_call_malloc (stmtblock_t *, tree, tree);
+/* Build a memcpy call. */
+tree gfc_build_memcpy_call (tree, tree, tree);
+
+/* Allocate memory for arrays, with optional status variable. */
+tree gfc_allocate_array_with_status (stmtblock_t*, tree, tree, tree, gfc_expr*);
+
+/* Allocate memory, with optional status variable. */
+tree gfc_allocate_with_status (stmtblock_t *, tree, tree);
+
+/* Generate code to deallocate an array. */
+tree gfc_deallocate_with_status (tree, tree, bool, gfc_expr*);
+
+/* Generate code to call realloc(). */
+tree gfc_call_realloc (stmtblock_t *, tree, tree);
+
/* Generate code for an assignment, includes scalarization. */
tree gfc_trans_assignment (gfc_expr *, gfc_expr *, bool);
tree getdecls (void);
tree gfc_truthvalue_conversion (tree);
tree gfc_builtin_function (tree);
+struct array_descr_info;
+bool gfc_get_array_descr_info (const_tree, struct array_descr_info *);
/* In trans-openmp.c */
-bool gfc_omp_privatize_by_reference (tree);
+bool gfc_omp_privatize_by_reference (const_tree);
enum omp_clause_default_kind gfc_omp_predetermined_sharing (tree);
-tree gfc_omp_clause_default_ctor (tree, tree);
+tree gfc_omp_clause_default_ctor (tree, tree, tree);
+tree gfc_omp_clause_copy_ctor (tree, tree, tree);
+tree gfc_omp_clause_assign_op (tree, tree, tree);
+tree gfc_omp_clause_dtor (tree, tree);
bool gfc_omp_disregard_value_expr (tree, bool);
bool gfc_omp_private_debug_clause (tree, bool);
+bool gfc_omp_private_outer_ref (tree);
struct gimplify_omp_ctx;
void gfc_omp_firstprivatize_type_sizes (struct gimplify_omp_ctx *, tree);
/* Runtime library function decls. */
-extern GTY(()) tree gfor_fndecl_internal_realloc;
-extern GTY(()) tree gfor_fndecl_allocate;
-extern GTY(()) tree gfor_fndecl_allocate_array;
-extern GTY(()) tree gfor_fndecl_deallocate;
extern GTY(()) tree gfor_fndecl_pause_numeric;
extern GTY(()) tree gfor_fndecl_pause_string;
extern GTY(()) tree gfor_fndecl_stop_numeric;
extern GTY(()) tree gfor_fndecl_stop_string;
-extern GTY(()) tree gfor_fndecl_select_string;
extern GTY(()) tree gfor_fndecl_runtime_error;
extern GTY(()) tree gfor_fndecl_runtime_error_at;
+extern GTY(()) tree gfor_fndecl_runtime_warning_at;
extern GTY(()) tree gfor_fndecl_os_error;
extern GTY(()) tree gfor_fndecl_generate_error;
extern GTY(()) tree gfor_fndecl_set_fpe;
gfc_powdecl_list;
extern GTY(()) gfc_powdecl_list gfor_fndecl_math_powi[4][3];
-extern GTY(()) tree gfor_fndecl_math_cpowf;
-extern GTY(()) tree gfor_fndecl_math_cpow;
-extern GTY(()) tree gfor_fndecl_math_cpowl10;
-extern GTY(()) tree gfor_fndecl_math_cpowl16;
extern GTY(()) tree gfor_fndecl_math_ishftc4;
extern GTY(()) tree gfor_fndecl_math_ishftc8;
extern GTY(()) tree gfor_fndecl_math_ishftc16;
-extern GTY(()) tree gfor_fndecl_math_exponent4;
-extern GTY(()) tree gfor_fndecl_math_exponent8;
-extern GTY(()) tree gfor_fndecl_math_exponent10;
-extern GTY(()) tree gfor_fndecl_math_exponent16;
/* BLAS functions. */
extern GTY(()) tree gfor_fndecl_sgemm;
extern GTY(()) tree gfor_fndecl_string_minmax;
extern GTY(()) tree gfor_fndecl_adjustl;
extern GTY(()) tree gfor_fndecl_adjustr;
+extern GTY(()) tree gfor_fndecl_select_string;
+extern GTY(()) tree gfor_fndecl_compare_string_char4;
+extern GTY(()) tree gfor_fndecl_concat_string_char4;
+extern GTY(()) tree gfor_fndecl_string_len_trim_char4;
+extern GTY(()) tree gfor_fndecl_string_index_char4;
+extern GTY(()) tree gfor_fndecl_string_scan_char4;
+extern GTY(()) tree gfor_fndecl_string_verify_char4;
+extern GTY(()) tree gfor_fndecl_string_trim_char4;
+extern GTY(()) tree gfor_fndecl_string_minmax_char4;
+extern GTY(()) tree gfor_fndecl_adjustl_char4;
+extern GTY(()) tree gfor_fndecl_adjustr_char4;
+extern GTY(()) tree gfor_fndecl_select_string_char4;
+
+/* Conversion between character kinds. */
+extern GTY(()) tree gfor_fndecl_convert_char1_to_char4;
+extern GTY(()) tree gfor_fndecl_convert_char4_to_char1;
/* Other misc. runtime library functions. */
extern GTY(()) tree gfor_fndecl_size0;
extern GTY(()) tree gfor_fndecl_size1;
extern GTY(()) tree gfor_fndecl_iargc;
-/* Implemented in FORTRAN. */
+/* Implemented in Fortran. */
+extern GTY(()) tree gfor_fndecl_sc_kind;
extern GTY(()) tree gfor_fndecl_si_kind;
extern GTY(()) tree gfor_fndecl_sr_kind;
/* G95-specific declaration information. */
+enum gfc_array_kind
+{
+ GFC_ARRAY_UNKNOWN,
+ GFC_ARRAY_ASSUMED_SHAPE,
+ GFC_ARRAY_ALLOCATABLE,
+ GFC_ARRAY_POINTER
+};
+
/* Array types only. */
struct lang_type GTY(())
{
int rank;
+ enum gfc_array_kind akind;
tree lbound[GFC_MAX_DIMENSIONS];
tree ubound[GFC_MAX_DIMENSIONS];
tree stride[GFC_MAX_DIMENSIONS];
tree offset;
tree dtype;
tree dataptr_type;
+ tree span;
};
struct lang_decl GTY(())
address of target label. */
tree stringlen;
tree addr;
+ tree span;
};
#define GFC_DECL_ASSIGN_ADDR(node) DECL_LANG_SPECIFIC(node)->addr
#define GFC_DECL_STRING_LEN(node) DECL_LANG_SPECIFIC(node)->stringlen
+#define GFC_DECL_SPAN(node) DECL_LANG_SPECIFIC(node)->span
#define GFC_DECL_SAVED_DESCRIPTOR(node) \
(DECL_LANG_SPECIFIC(node)->saved_descriptor)
#define GFC_DECL_PACKED_ARRAY(node) DECL_LANG_FLAG_0(node)
#define GFC_DECL_COMMON_OR_EQUIV(node) DECL_LANG_FLAG_3(node)
#define GFC_DECL_CRAY_POINTEE(node) DECL_LANG_FLAG_4(node)
#define GFC_DECL_RESULT(node) DECL_LANG_FLAG_5(node)
+#define GFC_DECL_SUBREF_ARRAY_P(node) DECL_LANG_FLAG_6(node)
/* An array descriptor. */
#define GFC_DESCRIPTOR_TYPE_P(node) TYPE_LANG_FLAG_1(node)
#define GFC_TYPE_ARRAY_RANK(node) (TYPE_LANG_SPECIFIC(node)->rank)
#define GFC_TYPE_ARRAY_SIZE(node) (TYPE_LANG_SPECIFIC(node)->size)
#define GFC_TYPE_ARRAY_OFFSET(node) (TYPE_LANG_SPECIFIC(node)->offset)
-/* Code should use gfc_get_dtype instead of accesig this directly. It may
+#define GFC_TYPE_ARRAY_AKIND(node) (TYPE_LANG_SPECIFIC(node)->akind)
+/* Code should use gfc_get_dtype instead of accessing this directly. It may
not be known when the type is created. */
#define GFC_TYPE_ARRAY_DTYPE(node) (TYPE_LANG_SPECIFIC(node)->dtype)
#define GFC_TYPE_ARRAY_DATAPTR_TYPE(node) \
(TYPE_LANG_SPECIFIC(node)->dataptr_type)
-
-/* I changed this from sorry(...) because it should not return. */
-/* TODO: Remove gfc_todo_error before releasing version 1.0. */
-#define gfc_todo_error(args...) fatal_error("gfc_todo: Not Implemented: " args)
+#define GFC_TYPE_ARRAY_SPAN(node) (TYPE_LANG_SPECIFIC(node)->span)
/* Build an expression with void type. */
-#define build1_v(code, arg) build1(code, void_type_node, arg)
-#define build2_v(code, arg1, arg2) build2(code, void_type_node, \
- arg1, arg2)
-#define build3_v(code, arg1, arg2, arg3) build3(code, void_type_node, \
- arg1, arg2, arg3)
+#define build1_v(code, arg) fold_build1(code, void_type_node, arg)
+#define build2_v(code, arg1, arg2) fold_build2(code, void_type_node, \
+ arg1, arg2)
+#define build3_v(code, arg1, arg2, arg3) fold_build3(code, void_type_node, \
+ arg1, arg2, arg3)
#define build4_v(code, arg1, arg2, arg3, arg4) build4(code, void_type_node, \
arg1, arg2, arg3, arg4)
{
struct gfc_interface_sym_mapping *next;
gfc_symbol *old;
- gfc_symtree *new;
+ gfc_symtree *new_sym;
+ gfc_expr *expr;
}
gfc_interface_sym_mapping;
void gfc_init_interface_mapping (gfc_interface_mapping *);
void gfc_free_interface_mapping (gfc_interface_mapping *);
void gfc_add_interface_mapping (gfc_interface_mapping *,
- gfc_symbol *, gfc_se *);
+ gfc_symbol *, gfc_se *, gfc_expr *);
void gfc_finish_interface_mapping (gfc_interface_mapping *,
stmtblock_t *, stmtblock_t *);
void gfc_apply_interface_mapping (gfc_interface_mapping *,
/* Standard error messages used in all the trans-*.c files. */
-extern char gfc_msg_bounds[];
-extern char gfc_msg_fault[];
-extern char gfc_msg_wrong_return[];
+extern const char gfc_msg_bounds[];
+extern const char gfc_msg_fault[];
+extern const char gfc_msg_wrong_return[];
#endif /* GFC_TRANS_H */