8sa1-gcc/gcc/tree-iterator.h
Steven Bosscher f4ce02c5bf vecir.h: New file with VEC primitives for tree, gimple, and rtl.
gcc/ChangeLog
	* vecir.h: New file with VEC primitives for tree, gimple, and rtl.
	* Makefile.in: Add it.
	Fix all other Makefile dependencies for changes below.
	* tree.h: Include it instead of defining VEC primitives here.
	* gimple.h: Likewise.
	* rtl.h: Likewise.
	* tree-inline.h: Inlclude vecir.h instead of gimple.h.
	* except.h: Include vecir.h, break dependence on tree.h.

	* gimplify.c (append_to_statement_list_1, append_to_statement_list):
	Move from here...
	* tree-iterator.c: ...to here.
	* tree-iterator.h: Fix file introduction comment.  Add extern markers.

	* c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
	tm_p.h.
	* c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
	* c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
	integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
	tree-mudflap.h, and target.h.
	* c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
	predict.h, tree-inline.h, gimple.h, and langhooks.h.
	* c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
	Add FIXME for why gimple.h is still included (should be unnecessary
	since GCC 4.5 gimplification unit-at-a-time).
	* c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
	* c-pragma.c: Add FIXME for why function.h needs to be included just
	for cfun, at front-end level.
	Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
	Do not include ggc.h, but include vecprim.h for VEC(char).
	* c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
	Explain why target.h is included.
	* c-omp.h: Do not include tm.h, function.h, and bitmap.h.
	Explain why gimple.h is included.
	* c-ppoutput.c: Do not include tm.h.
	* c-common.c: Do not include gimple.h.  Explain why expr.h is included.
	* c-parses.c: Explain why rtl.h is included, and that this (and only
	this) is also why tm.h must be included.
	Do not include except.h.
	* c-lang.c: Do not include ggc.h.

cp/ChangeLog
	* decl.c: Include tree-iterator.h, as fixup for tree-inline.h changes.
	* Make-lang.in: Fix dependencies accordingly.

From-SVN: r159442
2010-05-15 20:02:11 +00:00

122 lines
3.1 KiB
C

/* Iterator routines for manipulating GENERIC tree statement list.
Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
Contributed by Andrew MacLeod <amacleod@redhat.com>
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/>. */
/* This file is dependent upon the implementation of tree's. It provides an
abstract interface to the tree objects such that if all tree creation and
manipulations are done through this interface, we can easily change the
implementation of tree's, and not impact other code. */
#ifndef GCC_TREE_ITERATOR_H
#define GCC_TREE_ITERATOR_H 1
/* Iterator object for GENERIC or GIMPLE TREE statements. */
typedef struct {
struct tree_statement_list_node *ptr;
tree container;
} tree_stmt_iterator;
static inline tree_stmt_iterator
tsi_start (tree t)
{
tree_stmt_iterator i;
i.ptr = STATEMENT_LIST_HEAD (t);
i.container = t;
return i;
}
static inline tree_stmt_iterator
tsi_last (tree t)
{
tree_stmt_iterator i;
i.ptr = STATEMENT_LIST_TAIL (t);
i.container = t;
return i;
}
static inline bool
tsi_end_p (tree_stmt_iterator i)
{
return i.ptr == NULL;
}
static inline bool
tsi_one_before_end_p (tree_stmt_iterator i)
{
return i.ptr != NULL && i.ptr->next == NULL;
}
static inline void
tsi_next (tree_stmt_iterator *i)
{
i->ptr = i->ptr->next;
}
static inline void
tsi_prev (tree_stmt_iterator *i)
{
i->ptr = i->ptr->prev;
}
static inline tree *
tsi_stmt_ptr (tree_stmt_iterator i)
{
return &i.ptr->stmt;
}
static inline tree
tsi_stmt (tree_stmt_iterator i)
{
return i.ptr->stmt;
}
enum tsi_iterator_update
{
TSI_NEW_STMT, /* Only valid when single statement is added, move
iterator to it. */
TSI_SAME_STMT, /* Leave the iterator at the same statement. */
TSI_CHAIN_START, /* Only valid when chain of statements is added, move
iterator to the first statement in the chain. */
TSI_CHAIN_END, /* Only valid when chain of statements is added, move
iterator to the last statement in the chain. */
TSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable for
linking other statements/chains of statements in
the same direction. */
};
extern void tsi_link_before (tree_stmt_iterator *, tree,
enum tsi_iterator_update);
extern void tsi_link_after (tree_stmt_iterator *, tree,
enum tsi_iterator_update);
extern void tsi_delink (tree_stmt_iterator *);
extern tree alloc_stmt_list (void);
extern void free_stmt_list (tree);
extern void append_to_statement_list (tree, tree *);
extern void append_to_statement_list_force (tree, tree *);
#endif /* GCC_TREE_ITERATOR_H */