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f95-lang.c (yyerror, yylex): Remove.

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* f95-lang.c (yyerror, yylex): Remove.
	(clear_binding_stack): Remove, fold into its only user.
	(LANG_HOOKS_PRINT_IDENTIFIER): Do not re-define.
	(ridpointers): Remove.
	(gfc_eh_initialized_p): Make static.
	(gfc_truthvalue_conversion): Move to convert.c.
	(gfc_be_parse_file): Clear binding level stack when done.
	(gfc_print_identifier): Remove.
	(pushlevel): Remove ignored 'ignore' argument.  Update all callers.
	(poplevel): Remove unused 'reverse' argument.  Update all callers.
	(ggc_p): Remove.
	(gfc_builtin_function): Make static. Do not attempt to make RTL for
	builtin functions.
	* convert.c (gfc_truthvalue_conversion): Moved here from f95-lang.c,
	and made static.
	* trans.h (pushlevel, poplevel): Adjust prototypes.
	(gfc_truthvalue_conversion, gfc_builtin_function): Remove prototypes.
	* trans-openmp.c: Update calls to pushlevel and poplevel.
	* trans.c: Likewise.
	* trans-decl.c: Likewise.

From-SVN: r185015
This commit is contained in:
Steven Bosscher 2012-03-06 19:51:42 +00:00
parent ca4adc913d
commit 87a60f68a9
7 changed files with 122 additions and 159 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
gcc/fortran/ChangeLog
View File

@ -1,3 +1,26 @@
2012-03-06 Steven Bosscher <steven@gcc.gnu.org>
* f95-lang.c (yyerror, yylex): Remove.
(clear_binding_stack): Remove, fold into its only user.
(LANG_HOOKS_PRINT_IDENTIFIER): Do not re-define.
(ridpointers): Remove.
(gfc_eh_initialized_p): Make static.
(gfc_truthvalue_conversion): Move to convert.c.
(gfc_be_parse_file): Clear binding level stack when done.
(gfc_print_identifier): Remove.
(pushlevel): Remove ignored 'ignore' argument. Update all callers.
(poplevel): Remove unused 'reverse' argument. Update all callers.
(ggc_p): Remove.
(gfc_builtin_function): Make static. Do not attempt to make RTL for
builtin functions.
* convert.c (gfc_truthvalue_conversion): Moved here from f95-lang.c,
and made static.
* trans.h (pushlevel, poplevel): Adjust prototypes.
(gfc_truthvalue_conversion, gfc_builtin_function): Remove prototypes.
* trans-openmp.c: Update calls to pushlevel and poplevel.
* trans.c: Likewise.
* trans-decl.c: Likewise.
2012-03-04 Mikael Morin <mikael@gcc.gnu.org>
PR fortran/50981

44
gcc/fortran/convert.c
View File

@ -60,6 +60,50 @@ along with GCC; see the file COPYING3. If not see
/* Subroutines of `convert'. */
/* Prepare expr to be an argument of a TRUTH_NOT_EXPR,
or validate its data type for an `if' or `while' statement or ?..: exp.
This preparation consists of taking the ordinary
representation of an expression expr and producing a valid tree
boolean expression describing whether expr is nonzero. We could
simply always do build_binary_op (NE_EXPR, expr, boolean_false_node, 1),
but we optimize comparisons, &&, ||, and !.
The resulting type should always be `boolean_type_node'.
This is much simpler than the corresponding C version because we have a
distinct boolean type. */
static tree
gfc_truthvalue_conversion (tree expr)
{
switch (TREE_CODE (TREE_TYPE (expr)))
{
case BOOLEAN_TYPE:
if (TREE_TYPE (expr) == boolean_type_node)
return expr;
else if (COMPARISON_CLASS_P (expr))
{
TREE_TYPE (expr) = boolean_type_node;
return expr;
}
else if (TREE_CODE (expr) == NOP_EXPR)
return fold_build1_loc (input_location, NOP_EXPR,
boolean_type_node, TREE_OPERAND (expr, 0));
else
return fold_build1_loc (input_location, NOP_EXPR, boolean_type_node,
expr);
case INTEGER_TYPE:
if (TREE_CODE (expr) == INTEGER_CST)
return integer_zerop (expr) ? boolean_false_node : boolean_true_node;
else
return fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
expr, build_int_cst (TREE_TYPE (expr), 0));
default:
internal_error ("Unexpected type in truthvalue_conversion");
}
}
/* Create an expression whose value is that of EXPR,
converted to type TYPE. The TREE_TYPE of the value

132
gcc/fortran/f95-lang.c
View File

@ -60,7 +60,6 @@ lang_identifier {
union GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"),
chain_next ("CODE_CONTAINS_STRUCT (TREE_CODE (&%h.generic), TS_COMMON) ? ((union lang_tree_node *) TREE_CHAIN (&%h.generic)) : NULL")))
lang_tree_node {
union tree_node GTY((tag ("0"),
desc ("tree_node_structure (&%h)"))) generic;
@ -77,25 +76,18 @@ language_function {
struct binding_level *binding_level;
};
/* We don't have a lex/yacc lexer/parser, but toplev expects these to
exist anyway. */
void yyerror (const char *str);
int yylex (void);
static void gfc_init_decl_processing (void);
static void gfc_init_builtin_functions (void);
static bool global_bindings_p (void);
/* Each front end provides its own. */
static bool gfc_init (void);
static void gfc_finish (void);
static void gfc_write_global_declarations (void);
static void gfc_print_identifier (FILE *, tree, int);
void do_function_end (void);
bool global_bindings_p (void);
static void clear_binding_stack (void);
static void gfc_be_parse_file (void);
static alias_set_type gfc_get_alias_set (tree);
static void gfc_init_ts (void);
static tree gfc_builtin_function (tree);
#undef LANG_HOOKS_NAME
#undef LANG_HOOKS_INIT
@ -106,7 +98,6 @@ static void gfc_init_ts (void);
#undef LANG_HOOKS_INIT_OPTIONS
#undef LANG_HOOKS_HANDLE_OPTION
#undef LANG_HOOKS_POST_OPTIONS
#undef LANG_HOOKS_PRINT_IDENTIFIER
#undef LANG_HOOKS_PARSE_FILE
#undef LANG_HOOKS_MARK_ADDRESSABLE
#undef LANG_HOOKS_TYPE_FOR_MODE
@ -125,6 +116,7 @@ static void gfc_init_ts (void);
#undef LANG_HOOKS_OMP_PRIVATE_OUTER_REF
#undef LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES
#undef LANG_HOOKS_BUILTIN_FUNCTION
#undef LANG_HOOKS_BUILTIN_FUNCTION
#undef LANG_HOOKS_GET_ARRAY_DESCR_INFO
/* Define lang hooks. */
@ -137,7 +129,6 @@ static void gfc_init_ts (void);
#define LANG_HOOKS_INIT_OPTIONS gfc_init_options
#define LANG_HOOKS_HANDLE_OPTION gfc_handle_option
#define LANG_HOOKS_POST_OPTIONS gfc_post_options
#define LANG_HOOKS_PRINT_IDENTIFIER gfc_print_identifier
#define LANG_HOOKS_PARSE_FILE gfc_be_parse_file
#define LANG_HOOKS_TYPE_FOR_MODE gfc_type_for_mode
#define LANG_HOOKS_TYPE_FOR_SIZE gfc_type_for_size
@ -166,64 +157,13 @@ struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
static GTY(()) struct binding_level *free_binding_level;
/* The elements of `ridpointers' are identifier nodes
for the reserved type names and storage classes.
It is indexed by a RID_... value. */
tree *ridpointers = NULL;
/* True means we've initialized exception handling. */
bool gfc_eh_initialized_p;
static bool gfc_eh_initialized_p;
/* The current translation unit. */
static GTY(()) tree current_translation_unit;
/* Prepare expr to be an argument of a TRUTH_NOT_EXPR,
or validate its data type for an `if' or `while' statement or ?..: exp.
This preparation consists of taking the ordinary
representation of an expression expr and producing a valid tree
boolean expression describing whether expr is nonzero. We could
simply always do build_binary_op (NE_EXPR, expr, boolean_false_node, 1),
but we optimize comparisons, &&, ||, and !.
The resulting type should always be `boolean_type_node'.
This is much simpler than the corresponding C version because we have a
distinct boolean type. */
tree
gfc_truthvalue_conversion (tree expr)
{
switch (TREE_CODE (TREE_TYPE (expr)))
{
case BOOLEAN_TYPE:
if (TREE_TYPE (expr) == boolean_type_node)
return expr;
else if (COMPARISON_CLASS_P (expr))
{
TREE_TYPE (expr) = boolean_type_node;
return expr;
}
else if (TREE_CODE (expr) == NOP_EXPR)
return fold_build1_loc (input_location, NOP_EXPR,
boolean_type_node, TREE_OPERAND (expr, 0));
else
return fold_build1_loc (input_location, NOP_EXPR, boolean_type_node,
expr);
case INTEGER_TYPE:
if (TREE_CODE (expr) == INTEGER_CST)
return integer_zerop (expr) ? boolean_false_node : boolean_true_node;
else
return fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
expr, build_int_cst (TREE_TYPE (expr), 0));
default:
internal_error ("Unexpected type in truthvalue_conversion");
}
}
static void
gfc_create_decls (void)
{
@ -255,7 +195,9 @@ gfc_be_parse_file (void)
errorcount += errors;
warningcount += warnings;
clear_binding_stack ();
/* Clear the binding level stack. */
while (!global_bindings_p ())
poplevel (0, 0);
}
@ -322,16 +264,6 @@ gfc_write_global_declarations (void)
write_global_declarations ();
}
static void
gfc_print_identifier (FILE * file ATTRIBUTE_UNUSED,
tree node ATTRIBUTE_UNUSED,
int indent ATTRIBUTE_UNUSED)
{
return;
}
/* These functions and variables deal with binding contours. We only
need these functions for the list of PARM_DECLs, but we leave the
functions more general; these are a simplified version of the
@ -351,9 +283,7 @@ struct GTY(())
binding_level {
/* A chain of ..._DECL nodes for all variables, constants, functions,
parameters and type declarations. These ..._DECL nodes are chained
through the DECL_CHAIN field. Note that these ..._DECL nodes are stored
in the reverse of the order supplied to be compatible with the
back-end. */
through the DECL_CHAIN field. */
tree names;
/* For each level (except the global one), a chain of BLOCK nodes for all
the levels that were entered and exited one level down from this one. */
@ -387,11 +317,10 @@ getdecls (void)
return current_binding_level->names;
}
/* Enter a new binding level. The input parameter is ignored, but has to be
specified for back-end compatibility. */
/* Enter a new binding level. */
void
pushlevel (int ignore ATTRIBUTE_UNUSED)
pushlevel (void)
{
struct binding_level *newlevel = ggc_alloc_binding_level ();
@ -413,29 +342,19 @@ pushlevel (int ignore ATTRIBUTE_UNUSED)
If FUNCTIONBODY is nonzero, this level is the body of a function,
so create a block as if KEEP were set and also clear out all
label names.
If REVERSE is nonzero, reverse the order of decls before putting
them into the BLOCK. */
label names. */
tree
poplevel (int keep, int reverse, int functionbody)
poplevel (int keep, int functionbody)
{
/* Points to a BLOCK tree node. This is the BLOCK node constructed for the
binding level that we are about to exit and which is returned by this
routine. */
tree block_node = NULL_TREE;
tree decl_chain;
tree decl_chain = current_binding_level->names;
tree subblock_chain = current_binding_level->blocks;
tree subblock_node;
/* Reverse the list of XXXX_DECL nodes if desired. Note that the ..._DECL
nodes chained through the `names' field of current_binding_level are in
reverse order except for PARM_DECL node, which are explicitly stored in
the right order. */
decl_chain = (reverse) ? nreverse (current_binding_level->names)
: current_binding_level->names;
/* If there were any declarations in the current binding level, or if this
binding level is a function body, or if there are any nested blocks then
create a BLOCK node to record them for the life of this function. */
@ -513,10 +432,7 @@ pushdecl (tree decl)
DECL_CONTEXT (decl) = current_function_decl;
}
/* Put the declaration on the list. The list of declarations is in reverse
order. The list will be reversed later if necessary. This needs to be
this way for compatibility with the back-end. */
/* Put the declaration on the list. */
DECL_CHAIN (decl) = current_binding_level->names;
current_binding_level->names = decl;
@ -548,16 +464,6 @@ pushdecl_top_level (tree x)
return t;
}
/* Clear the binding stack. */
static void
clear_binding_stack (void)
{
while (!global_bindings_p ())
poplevel (0, 0, 0);
}
#ifndef CHAR_TYPE_SIZE
#define CHAR_TYPE_SIZE BITS_PER_UNIT
#endif
@ -582,7 +488,7 @@ gfc_init_decl_processing (void)
/* Make the binding_level structure for global names. We move all
variables that are in a COMMON block to this binding level. */
pushlevel (0);
pushlevel ();
global_binding_level = current_binding_level;
/* Build common tree nodes. char_type_node is unsigned because we
@ -617,17 +523,11 @@ gfc_get_alias_set (tree t)
return -1;
}
/* press the big red button - garbage (ggc) collection is on */
int ggc_p = 1;
/* Builtin function initialization. */
tree
static tree
gfc_builtin_function (tree decl)
{
make_decl_rtl (decl);
pushdecl (decl);
return decl;
}

18
gcc/fortran/trans-decl.c
View File

@ -2256,7 +2256,7 @@ trans_function_start (gfc_symbol * sym)
init_function_start (fndecl);
/* function.c requires a push at the start of the function. */
pushlevel (0);
pushlevel ();
}
/* Create thunks for alternate entry points. */
@ -2398,7 +2398,7 @@ build_entry_thunks (gfc_namespace * ns, bool global)
/* Finish off this function and send it for code generation. */
DECL_SAVED_TREE (thunk_fndecl) = gfc_finish_block (&body);
tmp = getdecls ();
poplevel (1, 0, 1);
poplevel (1, 1);
BLOCK_SUPERCONTEXT (DECL_INITIAL (thunk_fndecl)) = thunk_fndecl;
DECL_SAVED_TREE (thunk_fndecl)
= build3_v (BIND_EXPR, tmp, DECL_SAVED_TREE (thunk_fndecl),
@ -4400,7 +4400,7 @@ generate_coarray_init (gfc_namespace * ns __attribute((unused)))
make_decl_rtl (fndecl);
init_function_start (fndecl);
pushlevel (0);
pushlevel ();
gfc_init_block (&caf_init_block);
gfc_traverse_ns (ns, generate_coarray_sym_init);
@ -4408,7 +4408,7 @@ generate_coarray_init (gfc_namespace * ns __attribute((unused)))
DECL_SAVED_TREE (fndecl) = gfc_finish_block (&caf_init_block);
decl = getdecls ();
poplevel (1, 0, 1);
poplevel (1, 1);
BLOCK_SUPERCONTEXT (DECL_INITIAL (fndecl)) = fndecl;
DECL_SAVED_TREE (fndecl)
@ -4971,7 +4971,7 @@ create_main_function (tree fndecl)
rest_of_decl_compilation (ftn_main, 1, 0);
make_decl_rtl (ftn_main);
init_function_start (ftn_main);
pushlevel (0);
pushlevel ();
gfc_init_block (&body);
@ -5139,7 +5139,7 @@ create_main_function (tree fndecl)
decl = getdecls ();
/* Finish off this function and send it for code generation. */
poplevel (1, 0, 1);
poplevel (1, 1);
BLOCK_SUPERCONTEXT (DECL_INITIAL (ftn_main)) = ftn_main;
DECL_SAVED_TREE (ftn_main)
@ -5428,7 +5428,7 @@ gfc_generate_function_code (gfc_namespace * ns)
decl = getdecls ();
/* Finish off this function and send it for code generation. */
poplevel (1, 0, 1);
poplevel (1, 1);
BLOCK_SUPERCONTEXT (DECL_INITIAL (fndecl)) = fndecl;
DECL_SAVED_TREE (fndecl)
@ -5522,7 +5522,7 @@ gfc_generate_constructors (void)
init_function_start (fndecl);
pushlevel (0);
pushlevel ();
for (; gfc_static_ctors; gfc_static_ctors = TREE_CHAIN (gfc_static_ctors))
{
@ -5532,7 +5532,7 @@ gfc_generate_constructors (void)
}
decl = getdecls ();
poplevel (1, 0, 1);
poplevel (1, 1);
BLOCK_SUPERCONTEXT (DECL_INITIAL (fndecl)) = fndecl;
DECL_SAVED_TREE (fndecl)

48
gcc/fortran/trans-openmp.c
View File

@ -651,7 +651,7 @@ gfc_trans_omp_array_reduction (tree c, gfc_symbol *sym, locus where)
gcc_assert (t == SUCCESS);
/* Create the init statement list. */
pushlevel (0);
pushlevel ();
if (GFC_DESCRIPTOR_TYPE_P (type)
&& GFC_TYPE_ARRAY_AKIND (type) == GFC_ARRAY_ALLOCATABLE)
{
@ -691,13 +691,13 @@ gfc_trans_omp_array_reduction (tree c, gfc_symbol *sym, locus where)
else
stmt = gfc_trans_assignment (e1, e2, false, false);
if (TREE_CODE (stmt) != BIND_EXPR)
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0, 0));
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0));
else
poplevel (0, 0, 0);
poplevel (0, 0);
OMP_CLAUSE_REDUCTION_INIT (c) = stmt;
/* Create the merge statement list. */
pushlevel (0);
pushlevel ();
if (GFC_DESCRIPTOR_TYPE_P (type)
&& GFC_TYPE_ARRAY_AKIND (type) == GFC_ARRAY_ALLOCATABLE)
{
@ -714,9 +714,9 @@ gfc_trans_omp_array_reduction (tree c, gfc_symbol *sym, locus where)
else
stmt = gfc_trans_assignment (e3, e4, false, true);
if (TREE_CODE (stmt) != BIND_EXPR)
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0, 0));
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0));
else
poplevel (0, 0, 0);
poplevel (0, 0);
OMP_CLAUSE_REDUCTION_MERGE (c) = stmt;
/* And stick the placeholder VAR_DECL into the clause as well. */
@ -1001,20 +1001,20 @@ gfc_trans_omp_code (gfc_code *code, bool force_empty)
{
tree stmt;
pushlevel (0);
pushlevel ();
stmt = gfc_trans_code (code);
if (TREE_CODE (stmt) != BIND_EXPR)
{
if (!IS_EMPTY_STMT (stmt) || force_empty)
{
tree block = poplevel (1, 0, 0);
tree block = poplevel (1, 0);
stmt = build3_v (BIND_EXPR, NULL, stmt, block);
}
else
poplevel (0, 0, 0);
poplevel (0, 0);
}
else
poplevel (0, 0, 0);
poplevel (0, 0);
return stmt;
}
@ -1501,7 +1501,7 @@ gfc_trans_omp_do (gfc_code *code, stmtblock_t *pblock,
if (pblock != &block)
{
pushlevel (0);
pushlevel ();
gfc_start_block (&block);
}
@ -1612,12 +1612,12 @@ gfc_trans_omp_parallel_do (gfc_code *code)
if (!do_clauses.ordered && do_clauses.sched_kind != OMP_SCHED_STATIC)
pblock = &block;
else
pushlevel (0);
pushlevel ();
stmt = gfc_trans_omp_do (code, pblock, &do_clauses, omp_clauses);
if (TREE_CODE (stmt) != BIND_EXPR)
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0, 0));
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0));
else
poplevel (0, 0, 0);
poplevel (0, 0);
stmt = build2_loc (input_location, OMP_PARALLEL, void_type_node, stmt,
omp_clauses);
OMP_PARALLEL_COMBINED (stmt) = 1;
@ -1638,12 +1638,12 @@ gfc_trans_omp_parallel_sections (gfc_code *code)
gfc_start_block (&block);
omp_clauses = gfc_trans_omp_clauses (&block, code->ext.omp_clauses,
code->loc);
pushlevel (0);
pushlevel ();
stmt = gfc_trans_omp_sections (code, &section_clauses);
if (TREE_CODE (stmt) != BIND_EXPR)
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0, 0));
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0));
else
poplevel (0, 0, 0);
poplevel (0, 0);
stmt = build2_loc (input_location, OMP_PARALLEL, void_type_node, stmt,
omp_clauses);
OMP_PARALLEL_COMBINED (stmt) = 1;
@ -1664,12 +1664,12 @@ gfc_trans_omp_parallel_workshare (gfc_code *code)
gfc_start_block (&block);
omp_clauses = gfc_trans_omp_clauses (&block, code->ext.omp_clauses,
code->loc);
pushlevel (0);
pushlevel ();
stmt = gfc_trans_omp_workshare (code, &workshare_clauses);
if (TREE_CODE (stmt) != BIND_EXPR)
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0, 0));
stmt = build3_v (BIND_EXPR, NULL, stmt, poplevel (1, 0));
else
poplevel (0, 0, 0);
poplevel (0, 0);
stmt = build2_loc (input_location, OMP_PARALLEL, void_type_node, stmt,
omp_clauses);
OMP_PARALLEL_COMBINED (stmt) = 1;
@ -1763,7 +1763,7 @@ gfc_trans_omp_workshare (gfc_code *code, gfc_omp_clauses *clauses)
code = code->block->next;
pushlevel (0);
pushlevel ();
gfc_start_block (&block);
pblock = &block;
@ -1892,14 +1892,14 @@ gfc_trans_omp_workshare (gfc_code *code, gfc_omp_clauses *clauses)
{
if (!IS_EMPTY_STMT (stmt))
{
tree bindblock = poplevel (1, 0, 0);
tree bindblock = poplevel (1, 0);
stmt = build3_v (BIND_EXPR, NULL, stmt, bindblock);
}
else
poplevel (0, 0, 0);
poplevel (0, 0);
}
else
poplevel (0, 0, 0);
poplevel (0, 0);
if (IS_EMPTY_STMT (stmt) && !clauses->nowait)
stmt = gfc_trans_omp_barrier ();

8
gcc/fortran/trans.c
View File

@ -182,7 +182,7 @@ void
gfc_start_block (stmtblock_t * block)
{
/* Start a new binding level. */
pushlevel (0);
pushlevel ();
block->has_scope = 1;
/* The block is empty. */
@ -215,7 +215,7 @@ gfc_merge_block_scope (stmtblock_t * block)
/* Remember the decls in this scope. */
decl = getdecls ();
poplevel (0, 0, 0);
poplevel (0, 0);
/* Add them to the parent scope. */
while (decl != NULL_TREE)
@ -250,11 +250,11 @@ gfc_finish_block (stmtblock_t * stmtblock)
if (decl)
{
block = poplevel (1, 0, 0);
block = poplevel (1, 0);
expr = build3_v (BIND_EXPR, decl, expr, block);
}
else
poplevel (0, 0, 0);
poplevel (0, 0);
}
return expr;

8
gcc/fortran/trans.h
View File

@ -427,8 +427,6 @@ int gfc_conv_procedure_call (gfc_se *, gfc_symbol *, gfc_actual_arglist *,
void gfc_conv_subref_array_arg (gfc_se *, gfc_expr *, int, sym_intent, bool);
/* gfc_trans_* shouldn't call push/poplevel, use gfc_push/pop_scope */
/* Generate code for a scalar assignment. */
tree gfc_trans_scalar_assign (gfc_se *, gfc_se *, gfc_typespec, bool, bool,
bool);
@ -632,11 +630,9 @@ void gfc_trans_deferred_vars (gfc_symbol*, gfc_wrapped_block *);
/* In f95-lang.c. */
tree pushdecl (tree);
tree pushdecl_top_level (tree);
void pushlevel (int);
tree poplevel (int, int, int);
void pushlevel (void);
tree poplevel (int, int);
tree getdecls (void);
tree gfc_truthvalue_conversion (tree);
tree gfc_builtin_function (tree);
/* In trans-types.c. */
struct array_descr_info;