/* Header for array handling functions
- Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ Free Software Foundation, Inc.
Contributed by Paul Brook
-This file is part of GNU G95.
+This file is part of GCC.
-GNU G95 is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is 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.
-GNU G95 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.
+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 GNU G95; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* Generate code to free an array. */
-tree gfc_array_deallocate (tree);
+tree gfc_array_deallocate (tree, tree, gfc_expr*);
-/* Generate code to initialise an allocate an array. Statements are added to
+/* Generate code to initialize an allocate an array. Statements are added to
se, which should contain an expression for the array descriptor. */
-void gfc_array_allocate (gfc_se *, gfc_ref *, tree);
+bool gfc_array_allocate (gfc_se *, gfc_expr *, tree);
-/* Generate code to allocate a temporary array. */
-tree gfc_trans_allocate_temp_array (gfc_loopinfo *, gfc_ss_info *, tree,
- tree);
+/* Allow the bounds of a loop to be set from a callee's array spec. */
+void gfc_set_loop_bounds_from_array_spec (gfc_interface_mapping *,
+ gfc_se *, gfc_array_spec *);
+
+/* Generate code to create a temporary array. */
+tree gfc_trans_create_temp_array (stmtblock_t *, stmtblock_t *, gfc_loopinfo *,
+ gfc_ss_info *, tree, tree, bool, bool, bool,
+ locus *);
/* Generate function entry code for allocation of compiler allocated array
variables. */
tree gfc_trans_dummy_array_bias (gfc_symbol *, tree, tree);
/* Generate entry and exit code for g77 calling convention arrays. */
tree gfc_trans_g77_array (gfc_symbol *, tree);
-/* Add initialisation for deferred arrays. */
+/* Generate code to deallocate an array, if it is allocated. */
+tree gfc_trans_dealloc_allocated (tree);
+
+tree gfc_duplicate_allocatable (tree dest, tree src, tree type, int rank);
+
+tree gfc_copy_allocatable_data (tree dest, tree src, tree type, int rank);
+
+tree gfc_nullify_alloc_comp (gfc_symbol *, tree, int);
+
+tree gfc_deallocate_alloc_comp (gfc_symbol *, tree, int);
+
+tree gfc_copy_alloc_comp (gfc_symbol *, tree, tree, int);
+
+tree gfc_copy_only_alloc_comp (gfc_symbol *, tree, tree, int);
+
+/* Add initialization for deferred arrays. */
tree gfc_trans_deferred_array (gfc_symbol *, tree);
/* Generate an initializer for a static pointer or allocatable array. */
void gfc_trans_static_array_pointer (gfc_symbol *);
/* Generate scalarization information for an expression. */
gfc_ss *gfc_walk_expr (gfc_expr *);
-/* Walk the arguments of an intrinsic function. */
-gfc_ss *gfc_walk_elemental_function_args (gfc_ss *, gfc_expr *, gfc_ss_type);
+/* Walk the arguments of an elemental function. */
+gfc_ss *gfc_walk_elemental_function_args (gfc_ss *, gfc_actual_arglist *,
+ gfc_ss_type);
/* Walk an intrinsic function. */
gfc_ss *gfc_walk_intrinsic_function (gfc_ss *, gfc_expr *,
gfc_intrinsic_sym *);
+/* Reverse the order of an SS chain. */
+gfc_ss *gfc_reverse_ss (gfc_ss *);
-/* Free the SS assocuated with a loop. */
+/* Free the SS associated with a loop. */
void gfc_cleanup_loop (gfc_loopinfo *);
/* Associate a SS chain with a loop. */
void gfc_add_ss_to_loop (gfc_loopinfo *, gfc_ss *);
/* Marks the start of a scalarized expression, and declares loop variables. */
void gfc_start_scalarized_body (gfc_loopinfo *, stmtblock_t *);
+/* Generates one actual loop for a scalarized expression. */
+void gfc_trans_scalarized_loop_end (gfc_loopinfo *, int, stmtblock_t *);
/* Generates the actual loops for a scalarized expression. */
void gfc_trans_scalarizing_loops (gfc_loopinfo *, stmtblock_t *);
/* Mark the end of the main loop body and the start of the copying loop. */
void gfc_trans_scalarized_loop_boundary (gfc_loopinfo *, stmtblock_t *);
-/* Initialise the scalarization loop parameters. */
-void gfc_conv_loop_setup (gfc_loopinfo *);
+/* Initialize the scalarization loop parameters. */
+void gfc_conv_loop_setup (gfc_loopinfo *, locus *);
/* Resolve array assignment dependencies. */
void gfc_conv_resolve_dependencies (gfc_loopinfo *, gfc_ss *, gfc_ss *);
+/* Build a null array descriptor constructor. */
+tree gfc_build_null_descriptor (tree);
/* Get a single array element. */
-void gfc_conv_array_ref (gfc_se *, gfc_array_ref *);
+void gfc_conv_array_ref (gfc_se *, gfc_array_ref *, gfc_symbol *, locus *);
/* Translate a reference to a temporary array. */
void gfc_conv_tmp_array_ref (gfc_se * se);
/* Translate a reference to an array temporary. */
/* Evaluate an array expression. */
void gfc_conv_expr_descriptor (gfc_se *, gfc_expr *, gfc_ss *);
/* Convert an array for passing as an actual function parameter. */
-void gfc_conv_array_parameter (gfc_se *, gfc_expr *, gfc_ss *, int);
+void gfc_conv_array_parameter (gfc_se *, gfc_expr *, gfc_ss *, int,
+ const gfc_symbol *, const char *, tree *);
+/* Evaluate and transpose a matrix expression. */
+void gfc_conv_array_transpose (gfc_se *, gfc_expr *);
/* These work with both descriptors and descriptorless arrays. */
tree gfc_conv_array_data (tree);
tree gfc_conv_array_offset (tree);
-/* Return either an INT_CST or an expression for that part of the descriptor. */
+/* Return either an INT_CST or an expression for that part of the descriptor. */
tree gfc_conv_array_stride (tree, int);
tree gfc_conv_array_lbound (tree, int);
tree gfc_conv_array_ubound (tree, int);
-/* The remaining space available for stack variables. */
-extern unsigned HOST_WIDE_INT gfc_stack_space_left;
-/* Returns true if a variable of specified size should go on the stack. */
-int gfc_can_put_var_on_stack (tree);
-
/* Build expressions for accessing components of an array descriptor. */
-tree gfc_conv_descriptor_data (tree);
-tree gfc_conv_descriptor_offset (tree);
+tree gfc_conv_descriptor_data_get (tree);
+tree gfc_conv_descriptor_data_addr (tree);
+tree gfc_conv_descriptor_offset_get (tree);
tree gfc_conv_descriptor_dtype (tree);
-tree gfc_conv_descriptor_stride (tree, tree);
-tree gfc_conv_descriptor_lbound (tree, tree);
-tree gfc_conv_descriptor_ubound (tree, tree);
+tree gfc_conv_descriptor_stride_get (tree, tree);
+tree gfc_conv_descriptor_lbound_get (tree, tree);
+tree gfc_conv_descriptor_ubound_get (tree, tree);
-/* Dependency checking for WHERE and FORALL. */
-int gfc_check_dependency (gfc_expr *, gfc_expr *, gfc_expr **, int);
-/* Dependency checking for function calls. */
-int gfc_check_fncall_dependency (gfc_expr *, gfc_expr *);
+void gfc_conv_descriptor_data_set (stmtblock_t *, tree, tree);
+void gfc_conv_descriptor_offset_set (stmtblock_t *, tree, tree);
+void gfc_conv_descriptor_stride_set (stmtblock_t *, tree, tree, tree);
+void gfc_conv_descriptor_lbound_set (stmtblock_t *, tree, tree, tree);
+void gfc_conv_descriptor_ubound_set (stmtblock_t *, tree, tree, tree);
/* Add pre-loop scalarization code for intrinsic functions which require
special handling. */
void gfc_add_intrinsic_ss_code (gfc_loopinfo *, gfc_ss *);
+
+/* Functions for constant array constructor processing. */
+unsigned HOST_WIDE_INT gfc_constant_array_constructor_p (gfc_constructor *);
+tree gfc_build_constant_array_constructor (gfc_expr *, tree);
+
+/* Copy a string from src to dest. */
+void gfc_trans_string_copy (stmtblock_t *, tree, tree, int, tree, tree, int);