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|
/* Tree-dumping functionality for intermediate representation.
Copyright (C) 1999-2015 Free Software Foundation, Inc.
Written by Mark Mitchell <mark@codesourcery.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/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
#include "cp-tree.h"
#include "tree-dump.h"
static void dump_access (dump_info_p, tree);
static void dump_op (dump_info_p, tree);
/* Dump a representation of the accessibility information associated
with T. */
static void
dump_access (dump_info_p di, tree t)
{
if (TREE_PROTECTED(t))
dump_string_field (di, "accs", "prot");
else if (TREE_PRIVATE(t))
dump_string_field (di, "accs", "priv");
else
dump_string_field (di, "accs", "pub");
}
/* Dump a representation of the specific operator for an overloaded
operator associated with node t. */
static void
dump_op (dump_info_p di, tree t)
{
switch (DECL_OVERLOADED_OPERATOR_P (t)) {
case NEW_EXPR:
dump_string (di, "new");
break;
case VEC_NEW_EXPR:
dump_string (di, "vecnew");
break;
case DELETE_EXPR:
dump_string (di, "delete");
break;
case VEC_DELETE_EXPR:
dump_string (di, "vecdelete");
break;
case UNARY_PLUS_EXPR:
dump_string (di, "pos");
break;
case NEGATE_EXPR:
dump_string (di, "neg");
break;
case ADDR_EXPR:
dump_string (di, "addr");
break;
case INDIRECT_REF:
dump_string(di, "deref");
break;
case BIT_NOT_EXPR:
dump_string(di, "not");
break;
case TRUTH_NOT_EXPR:
dump_string(di, "lnot");
break;
case PREINCREMENT_EXPR:
dump_string(di, "preinc");
break;
case PREDECREMENT_EXPR:
dump_string(di, "predec");
break;
case PLUS_EXPR:
if (DECL_ASSIGNMENT_OPERATOR_P (t))
dump_string (di, "plusassign");
else
dump_string(di, "plus");
break;
case MINUS_EXPR:
if (DECL_ASSIGNMENT_OPERATOR_P (t))
dump_string (di, "minusassign");
else
dump_string(di, "minus");
break;
case MULT_EXPR:
if (DECL_ASSIGNMENT_OPERATOR_P (t))
dump_string (di, "multassign");
else
dump_string (di, "mult");
break;
case TRUNC_DIV_EXPR:
if (DECL_ASSIGNMENT_OPERATOR_P (t))
dump_string (di, "divassign");
else
dump_string (di, "div");
break;
case TRUNC_MOD_EXPR:
if (DECL_ASSIGNMENT_OPERATOR_P (t))
dump_string (di, "modassign");
else
dump_string (di, "mod");
break;
case BIT_AND_EXPR:
if (DECL_ASSIGNMENT_OPERATOR_P (t))
dump_string (di, "andassign");
else
dump_string (di, "and");
break;
case BIT_IOR_EXPR:
if (DECL_ASSIGNMENT_OPERATOR_P (t))
dump_string (di, "orassign");
else
dump_string (di, "or");
break;
case BIT_XOR_EXPR:
if (DECL_ASSIGNMENT_OPERATOR_P (t))
dump_string (di, "xorassign");
else
dump_string (di, "xor");
break;
case LSHIFT_EXPR:
if (DECL_ASSIGNMENT_OPERATOR_P (t))
dump_string (di, "lshiftassign");
else
dump_string (di, "lshift");
break;
case RSHIFT_EXPR:
if (DECL_ASSIGNMENT_OPERATOR_P (t))
dump_string (di, "rshiftassign");
else
dump_string (di, "rshift");
break;
case EQ_EXPR:
dump_string (di, "eq");
break;
case NE_EXPR:
dump_string (di, "ne");
break;
case LT_EXPR:
dump_string (di, "lt");
break;
case GT_EXPR:
dump_string (di, "gt");
break;
case LE_EXPR:
dump_string (di, "le");
break;
case GE_EXPR:
dump_string (di, "ge");
break;
case TRUTH_ANDIF_EXPR:
dump_string (di, "land");
break;
case TRUTH_ORIF_EXPR:
dump_string (di, "lor");
break;
case COMPOUND_EXPR:
dump_string (di, "compound");
break;
case MEMBER_REF:
dump_string (di, "memref");
break;
case COMPONENT_REF:
dump_string (di, "ref");
break;
case ARRAY_REF:
dump_string (di, "subs");
break;
case POSTINCREMENT_EXPR:
dump_string (di, "postinc");
break;
case POSTDECREMENT_EXPR:
dump_string (di, "postdec");
break;
case CALL_EXPR:
dump_string (di, "call");
break;
case NOP_EXPR:
if (DECL_ASSIGNMENT_OPERATOR_P (t))
dump_string (di, "assign");
break;
default:
break;
}
}
/* Dump information common to statements from STMT. */
static void
dump_stmt (dump_info_p di, const_tree t)
{
if (EXPR_HAS_LOCATION (t))
dump_int (di, "line", EXPR_LINENO (t));
}
bool
cp_dump_tree (void* dump_info, tree t)
{
enum tree_code code;
dump_info_p di = (dump_info_p) dump_info;
/* Figure out what kind of node this is. */
code = TREE_CODE (t);
if (DECL_P (t))
{
if (DECL_LANG_SPECIFIC (t) && DECL_LANGUAGE (t) != lang_cplusplus)
dump_string_field (di, "lang", language_to_string (DECL_LANGUAGE (t)));
}
switch (code)
{
case IDENTIFIER_NODE:
if (IDENTIFIER_OPNAME_P (t))
{
dump_string_field (di, "note", "operator");
return true;
}
else if (IDENTIFIER_TYPENAME_P (t))
{
dump_child ("tynm", TREE_TYPE (t));
return true;
}
break;
case OFFSET_TYPE:
dump_string_field (di, "note", "ptrmem");
dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
return true;
case RECORD_TYPE:
if (TYPE_PTRMEMFUNC_P (t))
{
dump_string_field (di, "note", "ptrmem");
dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
return true;
}
/* Fall through. */
case UNION_TYPE:
/* Is it a type used as a base? */
if (TYPE_CONTEXT (t) && TREE_CODE (TYPE_CONTEXT (t)) == TREE_CODE (t)
&& CLASSTYPE_AS_BASE (TYPE_CONTEXT (t)) == t)
{
dump_child ("bfld", TYPE_CONTEXT (t));
return true;
}
if (! MAYBE_CLASS_TYPE_P (t))
break;
dump_child ("vfld", TYPE_VFIELD (t));
if (CLASSTYPE_TEMPLATE_SPECIALIZATION(t))
dump_string(di, "spec");
if (!dump_flag (di, TDF_SLIM, t) && TYPE_BINFO (t))
{
int i;
tree binfo;
tree base_binfo;
for (binfo = TYPE_BINFO (t), i = 0;
BINFO_BASE_ITERATE (binfo, i, base_binfo); ++i)
{
dump_child ("base", BINFO_TYPE (base_binfo));
if (BINFO_VIRTUAL_P (base_binfo))
dump_string_field (di, "spec", "virt");
dump_access (di, base_binfo);
}
}
break;
case FIELD_DECL:
dump_access (di, t);
if (DECL_MUTABLE_P (t))
dump_string_field (di, "spec", "mutable");
break;
case VAR_DECL:
if (TREE_CODE (CP_DECL_CONTEXT (t)) == RECORD_TYPE)
dump_access (di, t);
if (TREE_STATIC (t) && !TREE_PUBLIC (t))
dump_string_field (di, "link", "static");
break;
case FUNCTION_DECL:
if (!DECL_THUNK_P (t))
{
if (DECL_OVERLOADED_OPERATOR_P (t)) {
dump_string_field (di, "note", "operator");
dump_op (di, t);
}
if (DECL_FUNCTION_MEMBER_P (t))
{
dump_string_field (di, "note", "member");
dump_access (di, t);
}
if (DECL_PURE_VIRTUAL_P (t))
dump_string_field (di, "spec", "pure");
if (DECL_VIRTUAL_P (t))
dump_string_field (di, "spec", "virt");
if (DECL_CONSTRUCTOR_P (t))
dump_string_field (di, "note", "constructor");
if (DECL_DESTRUCTOR_P (t))
dump_string_field (di, "note", "destructor");
if (DECL_CONV_FN_P (t))
dump_string_field (di, "note", "conversion");
if (DECL_GLOBAL_CTOR_P (t))
dump_string_field (di, "note", "global init");
if (DECL_GLOBAL_DTOR_P (t))
dump_string_field (di, "note", "global fini");
if (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t))
dump_string_field (di, "note", "pseudo tmpl");
}
else
{
tree virt = THUNK_VIRTUAL_OFFSET (t);
dump_string_field (di, "note", "thunk");
if (DECL_THIS_THUNK_P (t))
dump_string_field (di, "note", "this adjusting");
else
{
dump_string_field (di, "note", "result adjusting");
if (virt)
virt = BINFO_VPTR_FIELD (virt);
}
dump_int (di, "fixd", THUNK_FIXED_OFFSET (t));
if (virt)
dump_int (di, "virt", tree_to_shwi (virt));
dump_child ("fn", DECL_INITIAL (t));
}
break;
case NAMESPACE_DECL:
if (DECL_NAMESPACE_ALIAS (t))
dump_child ("alis", DECL_NAMESPACE_ALIAS (t));
else if (!dump_flag (di, TDF_SLIM, t))
dump_child ("dcls", cp_namespace_decls (t));
break;
case TEMPLATE_DECL:
dump_child ("rslt", DECL_TEMPLATE_RESULT (t));
dump_child ("inst", DECL_TEMPLATE_INSTANTIATIONS (t));
dump_child ("spcs", DECL_TEMPLATE_SPECIALIZATIONS (t));
dump_child ("prms", DECL_TEMPLATE_PARMS (t));
break;
case OVERLOAD:
dump_child ("crnt", OVL_CURRENT (t));
dump_child ("chan", OVL_CHAIN (t));
break;
case TRY_BLOCK:
dump_stmt (di, t);
if (CLEANUP_P (t))
dump_string_field (di, "note", "cleanup");
dump_child ("body", TRY_STMTS (t));
dump_child ("hdlr", TRY_HANDLERS (t));
break;
case EH_SPEC_BLOCK:
dump_stmt (di, t);
dump_child ("body", EH_SPEC_STMTS (t));
dump_child ("raises", EH_SPEC_RAISES (t));
break;
case PTRMEM_CST:
dump_child ("clas", PTRMEM_CST_CLASS (t));
dump_child ("mbr", PTRMEM_CST_MEMBER (t));
break;
case THROW_EXPR:
/* These nodes are unary, but do not have code class `1'. */
dump_child ("op 0", TREE_OPERAND (t, 0));
break;
case AGGR_INIT_EXPR:
{
int i = 0;
tree arg;
aggr_init_expr_arg_iterator iter;
dump_int (di, "ctor", AGGR_INIT_VIA_CTOR_P (t));
dump_child ("fn", AGGR_INIT_EXPR_FN (t));
FOR_EACH_AGGR_INIT_EXPR_ARG (arg, iter, t)
{
char buffer[32];
sprintf (buffer, "%u", i);
dump_child (buffer, arg);
i++;
}
dump_child ("decl", AGGR_INIT_EXPR_SLOT (t));
}
break;
case HANDLER:
dump_stmt (di, t);
dump_child ("parm", HANDLER_PARMS (t));
dump_child ("body", HANDLER_BODY (t));
break;
case MUST_NOT_THROW_EXPR:
dump_stmt (di, t);
dump_child ("body", TREE_OPERAND (t, 0));
dump_child ("cond", MUST_NOT_THROW_COND (t));
break;
case USING_STMT:
dump_stmt (di, t);
dump_child ("nmsp", USING_STMT_NAMESPACE (t));
break;
case CLEANUP_STMT:
dump_stmt (di, t);
dump_child ("decl", CLEANUP_DECL (t));
dump_child ("expr", CLEANUP_EXPR (t));
dump_child ("body", CLEANUP_BODY (t));
break;
case IF_STMT:
dump_stmt (di, t);
dump_child ("cond", IF_COND (t));
dump_child ("then", THEN_CLAUSE (t));
dump_child ("else", ELSE_CLAUSE (t));
break;
case BREAK_STMT:
case CONTINUE_STMT:
dump_stmt (di, t);
break;
case DO_STMT:
dump_stmt (di, t);
dump_child ("body", DO_BODY (t));
dump_child ("cond", DO_COND (t));
break;
case FOR_STMT:
dump_stmt (di, t);
dump_child ("init", FOR_INIT_STMT (t));
dump_child ("cond", FOR_COND (t));
dump_child ("expr", FOR_EXPR (t));
dump_child ("body", FOR_BODY (t));
break;
case RANGE_FOR_STMT:
dump_stmt (di, t);
dump_child ("decl", RANGE_FOR_DECL (t));
dump_child ("expr", RANGE_FOR_EXPR (t));
dump_child ("body", RANGE_FOR_BODY (t));
break;
case SWITCH_STMT:
dump_stmt (di, t);
dump_child ("cond", SWITCH_STMT_COND (t));
dump_child ("body", SWITCH_STMT_BODY (t));
break;
case WHILE_STMT:
dump_stmt (di, t);
dump_child ("cond", WHILE_COND (t));
dump_child ("body", WHILE_BODY (t));
break;
case STMT_EXPR:
dump_child ("stmt", STMT_EXPR_STMT (t));
break;
case EXPR_STMT:
dump_stmt (di, t);
dump_child ("expr", EXPR_STMT_EXPR (t));
break;
default:
break;
}
return c_dump_tree (di, t);
}
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