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llvm / llvm-archive / 089ca8750d7cd1f1ec96968922bf4bcfe223bb3a / . / llvm-gcc-4.0 / gcc / tree-pretty-print.c
blob: a2d904ab69be1102fe0bc70018b58bfca9f1c515 [file] [log] [blame]
/* Pretty formatting of GENERIC trees in C syntax.
Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Adapted from c-pretty-print.c by Diego Novillo <dnovillo@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 2, 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 COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "errors.h"
#include "tree.h"
#include "diagnostic.h"
#include "real.h"
#include "hashtab.h"
#include "tree-flow.h"
#include "langhooks.h"
#include "tree-iterator.h"
#include "tree-chrec.h"
/* Local functions, macros and variables. */
static int op_prio (tree);
static const char *op_symbol (tree);
static void pretty_print_string (pretty_printer *, const char*);
static void print_call_name (pretty_printer *, tree);
static void newline_and_indent (pretty_printer *, int);
static void maybe_init_pretty_print (FILE *);
static void print_declaration (pretty_printer *, tree, int, int);
static void print_struct_decl (pretty_printer *, tree, int, int);
static void do_niy (pretty_printer *, tree);
static void dump_vops (pretty_printer *, tree, int, int);
static void dump_generic_bb_buff (pretty_printer *, basic_block, int, int);
#define INDENT(SPACE) do { \
int i; for (i = 0; i<SPACE; i++) pp_space (buffer); } while (0)
#define NIY do_niy(buffer,node)
#define PRINT_FUNCTION_NAME(NODE) pp_printf \
(buffer, "%s", TREE_CODE (NODE) == NOP_EXPR ? \
lang_hooks.decl_printable_name (TREE_OPERAND (NODE, 0), 1) : \
lang_hooks.decl_printable_name (NODE, 1))
static pretty_printer buffer;
static int initialized = 0;
static bool dumping_stmts;
/* Try to print something for an unknown tree code. */
static void
do_niy (pretty_printer *buffer, tree node)
{
int i, len;
pp_string (buffer, "<<< Unknown tree: ");
pp_string (buffer, tree_code_name[(int) TREE_CODE (node)]);
if (EXPR_P (node))
{
len = TREE_CODE_LENGTH (TREE_CODE (node));
for (i = 0; i < len; ++i)
{
newline_and_indent (buffer, 2);
dump_generic_node (buffer, TREE_OPERAND (node, i), 2, 0, false);
}
}
pp_string (buffer, " >>>\n");
}
void
debug_generic_expr (tree t)
{
print_generic_expr (stderr, t, TDF_VOPS|TDF_UID);
fprintf (stderr, "\n");
}
void
debug_generic_stmt (tree t)
{
print_generic_stmt (stderr, t, TDF_VOPS|TDF_UID);
fprintf (stderr, "\n");
}
/* Prints declaration DECL to the FILE with details specified by FLAGS. */
void
print_generic_decl (FILE *file, tree decl, int flags)
{
maybe_init_pretty_print (file);
dumping_stmts = true;
print_declaration (&buffer, decl, 2, flags);
pp_write_text_to_stream (&buffer);
}
/* Print tree T, and its successors, on file FILE. FLAGS specifies details
to show in the dump. See TDF_* in tree.h. */
void
print_generic_stmt (FILE *file, tree t, int flags)
{
maybe_init_pretty_print (file);
dumping_stmts = true;
dump_generic_node (&buffer, t, 0, flags, true);
pp_flush (&buffer);
}
/* Print tree T, and its successors, on file FILE. FLAGS specifies details
to show in the dump. See TDF_* in tree.h. The output is indented by
INDENT spaces. */
void
print_generic_stmt_indented (FILE *file, tree t, int flags, int indent)
{
int i;
maybe_init_pretty_print (file);
dumping_stmts = true;
for (i = 0; i < indent; i++)
pp_space (&buffer);
dump_generic_node (&buffer, t, indent, flags, true);
pp_flush (&buffer);
}
/* Print a single expression T on file FILE. FLAGS specifies details to show
in the dump. See TDF_* in tree.h. */
void
print_generic_expr (FILE *file, tree t, int flags)
{
maybe_init_pretty_print (file);
dumping_stmts = false;
dump_generic_node (&buffer, t, 0, flags, false);
}
/* Dump the name of a _DECL node and its DECL_UID if TDF_UID is set
in FLAGS. */
static void
dump_decl_name (pretty_printer *buffer, tree node, int flags)
{
if (DECL_NAME (node))
pp_tree_identifier (buffer, DECL_NAME (node));
if ((flags & TDF_UID)
|| DECL_NAME (node) == NULL_TREE)
{
if (TREE_CODE (node) == LABEL_DECL
&& LABEL_DECL_UID (node) != -1)
pp_printf (buffer, "L." HOST_WIDE_INT_PRINT_DEC,
LABEL_DECL_UID (node));
else
{
char c = TREE_CODE (node) == CONST_DECL ? 'C' : 'D';
pp_printf (buffer, "%c.%u", c, DECL_UID (node));
}
}
}
/* Like the above, but used for pretty printing function calls. */
static void
dump_function_name (pretty_printer *buffer, tree node)
{
if (DECL_NAME (node))
PRINT_FUNCTION_NAME (node);
else
dump_decl_name (buffer, node, 0);
}
/* Dump a function declaration. NODE is the FUNCTION_TYPE. BUFFER, SPC and
FLAGS are as in dump_generic_node. */
static void
dump_function_declaration (pretty_printer *buffer, tree node,
int spc, int flags)
{
bool wrote_arg = false;
tree arg;
pp_space (buffer);
pp_character (buffer, '(');
/* Print the argument types. The last element in the list is a VOID_TYPE.
The following avoids printing the last element. */
arg = TYPE_ARG_TYPES (node);
while (arg && TREE_CHAIN (arg) && arg != error_mark_node)
{
wrote_arg = true;
dump_generic_node (buffer, TREE_VALUE (arg), spc, flags, false);
arg = TREE_CHAIN (arg);
if (TREE_CHAIN (arg) && TREE_CODE (TREE_CHAIN (arg)) == TREE_LIST)
{
pp_character (buffer, ',');
pp_space (buffer);
}
}
if (!wrote_arg)
pp_string (buffer, "void");
pp_character (buffer, ')');
}
/* Dump the domain associated with an array. */
static void
dump_array_domain (pretty_printer *buffer, tree domain, int spc, int flags)
{
pp_character (buffer, '[');
if (domain)
{
tree min = TYPE_MIN_VALUE (domain);
tree max = TYPE_MAX_VALUE (domain);
if (min && max
&& integer_zerop (min)
&& host_integerp (max, 0))
pp_wide_integer (buffer, TREE_INT_CST_LOW (max) + 1);
else
{
if (min)
dump_generic_node (buffer, min, spc, flags, false);
pp_character (buffer, ':');
if (max)
dump_generic_node (buffer, max, spc, flags, false);
}
}
else
pp_string (buffer, "<unknown>");
pp_character (buffer, ']');
}
/* Dump the node NODE on the pretty_printer BUFFER, SPC spaces of indent.
FLAGS specifies details to show in the dump (see TDF_* in tree.h). If
IS_STMT is true, the object printed is considered to be a statement
and it is terminated by ';' if appropriate. */
int
dump_generic_node (pretty_printer *buffer, tree node, int spc, int flags,
bool is_stmt)
{
tree type;
tree op0, op1;
const char *str;
bool is_expr;
if (node == NULL_TREE)
return spc;
is_expr = EXPR_P (node);
if (TREE_CODE (node) != ERROR_MARK
&& is_gimple_stmt (node)
&& (flags & TDF_VOPS)
&& stmt_ann (node))
dump_vops (buffer, node, spc, flags);
if (dumping_stmts
&& (flags & TDF_LINENO)
&& EXPR_HAS_LOCATION (node))
{
expanded_location xloc = expand_location (EXPR_LOCATION (node));
pp_character (buffer, '[');
if (xloc.file)
{
pp_string (buffer, xloc.file);
pp_string (buffer, " : ");
}
pp_decimal_int (buffer, xloc.line);
pp_string (buffer, "] ");
}
switch (TREE_CODE (node))
{
case ERROR_MARK:
pp_string (buffer, "<<< error >>>");
break;
case IDENTIFIER_NODE:
pp_tree_identifier (buffer, node);
break;
case TREE_LIST:
while (node && node != error_mark_node)
{
if (TREE_PURPOSE (node))
{
dump_generic_node (buffer, TREE_PURPOSE (node), spc, flags, false);
pp_space (buffer);
}
dump_generic_node (buffer, TREE_VALUE (node), spc, flags, false);
node = TREE_CHAIN (node);
if (node && TREE_CODE (node) == TREE_LIST)
{
pp_character (buffer, ',');
pp_space (buffer);
}
}
break;
case TREE_BINFO:
dump_generic_node (buffer, BINFO_TYPE (node), spc, flags, false);
case TREE_VEC:
{
size_t i;
if (TREE_VEC_LENGTH (node) > 0)
{
size_t len = TREE_VEC_LENGTH (node);
for (i = 0; i < len - 1; i++)
{
dump_generic_node (buffer, TREE_VEC_ELT (node, i), spc, flags,
false);
pp_character (buffer, ',');
pp_space (buffer);
}
dump_generic_node (buffer, TREE_VEC_ELT (node, len - 1), spc,
flags, false);
}
}
break;
case BLOCK:
NIY;
break;
case VOID_TYPE:
case INTEGER_TYPE:
case REAL_TYPE:
case COMPLEX_TYPE:
case VECTOR_TYPE:
case ENUMERAL_TYPE:
case BOOLEAN_TYPE:
case CHAR_TYPE:
{
unsigned int quals = TYPE_QUALS (node);
enum tree_code_class class;
if (quals & TYPE_QUAL_CONST)
pp_string (buffer, "const ");
else if (quals & TYPE_QUAL_VOLATILE)
pp_string (buffer, "volatile ");
else if (quals & TYPE_QUAL_RESTRICT)
pp_string (buffer, "restrict ");
class = TREE_CODE_CLASS (TREE_CODE (node));
if (class == tcc_declaration)
{
if (DECL_NAME (node))
dump_decl_name (buffer, node, flags);
else
pp_string (buffer, "<unnamed type decl>");
}
else if (class == tcc_type)
{
if (TYPE_NAME (node))
{
if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE)
pp_tree_identifier (buffer, TYPE_NAME (node));
else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL
&& DECL_NAME (TYPE_NAME (node)))
dump_decl_name (buffer, TYPE_NAME (node), flags);
else
pp_string (buffer, "<unnamed type>");
}
else if (TREE_CODE (node) == VECTOR_TYPE)
{
pp_string (buffer, "vector ");
dump_generic_node (buffer, TREE_TYPE (node),
spc, flags, false);
}
else
pp_string (buffer, "<unnamed type>");
}
break;
}
case POINTER_TYPE:
case REFERENCE_TYPE:
str = (TREE_CODE (node) == POINTER_TYPE ? "*" : "&");
if (TREE_CODE (TREE_TYPE (node)) == FUNCTION_TYPE)
{
tree fnode = TREE_TYPE (node);
dump_generic_node (buffer, TREE_TYPE (fnode), spc, flags, false);
pp_space (buffer);
pp_character (buffer, '(');
pp_string (buffer, str);
if (TYPE_NAME (node) && DECL_NAME (TYPE_NAME (node)))
dump_decl_name (buffer, TYPE_NAME (node), flags);
else
pp_printf (buffer, "<T%x>", TYPE_UID (node));
pp_character (buffer, ')');
dump_function_declaration (buffer, fnode, spc, flags);
}
else
{
unsigned int quals = TYPE_QUALS (node);
dump_generic_node (buffer, TREE_TYPE (node), spc, flags, false);
pp_space (buffer);
pp_string (buffer, str);
if (quals & TYPE_QUAL_CONST)
pp_string (buffer, " const");
else if (quals & TYPE_QUAL_VOLATILE)
pp_string (buffer, "volatile");
else if (quals & TYPE_QUAL_RESTRICT)
pp_string (buffer, " restrict");
if (TYPE_REF_CAN_ALIAS_ALL (node))
pp_string (buffer, " {ref-all}");
}
break;
case OFFSET_TYPE:
NIY;
break;
case METHOD_TYPE:
dump_decl_name (buffer, TYPE_NAME (TYPE_METHOD_BASETYPE (node)), flags);
pp_string (buffer, "::");
break;
case FILE_TYPE:
NIY;
break;
case ARRAY_TYPE:
{
tree tmp;
/* Print the innermost component type. */
for (tmp = TREE_TYPE (node); TREE_CODE (tmp) == ARRAY_TYPE;
tmp = TREE_TYPE (tmp))
;
dump_generic_node (buffer, tmp, spc, flags, false);
/* Print the dimensions. */
for (tmp = node; TREE_CODE (tmp) == ARRAY_TYPE; tmp = TREE_TYPE (tmp))
dump_array_domain (buffer, TYPE_DOMAIN (tmp), spc, flags);
break;
}
case RECORD_TYPE:
case UNION_TYPE:
case QUAL_UNION_TYPE:
/* Print the name of the structure. */
if (TREE_CODE (node) == RECORD_TYPE)
pp_string (buffer, "struct ");
else if (TREE_CODE (node) == UNION_TYPE)
pp_string (buffer, "union ");
if (TYPE_NAME (node))
dump_generic_node (buffer, TYPE_NAME (node), spc, flags, false);
else
print_struct_decl (buffer, node, spc, flags);
break;
case LANG_TYPE:
NIY;
break;
case INTEGER_CST:
if (TREE_CODE (TREE_TYPE (node)) == POINTER_TYPE)
{
/* In the case of a pointer, one may want to divide by the
size of the pointed-to type. Unfortunately, this not
straightforward. The C front-end maps expressions
(int *) 5
int *p; (p + 5)
in such a way that the two INTEGER_CST nodes for "5" have
different values but identical types. In the latter
case, the 5 is multiplied by sizeof (int) in c-common.c
(pointer_int_sum) to convert it to a byte address, and
yet the type of the node is left unchanged. Argh. What
is consistent though is that the number value corresponds
to bytes (UNITS) offset.
NB: Neither of the following divisors can be trivially
used to recover the original literal:
TREE_INT_CST_LOW (TYPE_SIZE_UNIT (TREE_TYPE (node)))
TYPE_PRECISION (TREE_TYPE (TREE_TYPE (node))) */
pp_wide_integer (buffer, TREE_INT_CST_LOW (node));
pp_string (buffer, "B"); /* pseudo-unit */
}
else if (! host_integerp (node, 0))
{
tree val = node;
if (tree_int_cst_sgn (val) < 0)
{
pp_character (buffer, '-');
val = build_int_cst_wide (NULL_TREE,
-TREE_INT_CST_LOW (val),
~TREE_INT_CST_HIGH (val)
+ !TREE_INT_CST_LOW (val));
}
/* Would "%x%0*x" or "%x%*0x" get zero-padding on all
systems? */
{
static char format[10]; /* "%x%09999x\0" */
if (!format[0])
sprintf (format, "%%x%%0%dx", HOST_BITS_PER_INT / 4);
sprintf (pp_buffer (buffer)->digit_buffer, format,
TREE_INT_CST_HIGH (val),
TREE_INT_CST_LOW (val));
pp_string (buffer, pp_buffer (buffer)->digit_buffer);
}
}
else
pp_wide_integer (buffer, TREE_INT_CST_LOW (node));
break;
case REAL_CST:
/* Code copied from print_node. */
{
REAL_VALUE_TYPE d;
if (TREE_OVERFLOW (node))
pp_string (buffer, " overflow");
#if !defined(REAL_IS_NOT_DOUBLE) || defined(REAL_ARITHMETIC)
d = TREE_REAL_CST (node);
if (REAL_VALUE_ISINF (d))
pp_string (buffer, " Inf");
else if (REAL_VALUE_ISNAN (d))
pp_string (buffer, " Nan");
else
{
char string[100];
real_to_decimal (string, &d, sizeof (string), 0, 1);
pp_string (buffer, string);
}
#else
{
HOST_WIDE_INT i;
unsigned char *p = (unsigned char *) &TREE_REAL_CST (node);
pp_string (buffer, "0x");
for (i = 0; i < sizeof TREE_REAL_CST (node); i++)
output_formatted_integer (buffer, "%02x", *p++);
}
#endif
break;
}
case COMPLEX_CST:
pp_string (buffer, "__complex__ (");
dump_generic_node (buffer, TREE_REALPART (node), spc, flags, false);
pp_string (buffer, ", ");
dump_generic_node (buffer, TREE_IMAGPART (node), spc, flags, false);
pp_string (buffer, ")");
break;
case STRING_CST:
pp_string (buffer, "\"");
pretty_print_string (buffer, TREE_STRING_POINTER (node));
pp_string (buffer, "\"");
break;
case VECTOR_CST:
{
tree elt;
pp_string (buffer, "{ ");
for (elt = TREE_VECTOR_CST_ELTS (node); elt; elt = TREE_CHAIN (elt))
{
dump_generic_node (buffer, TREE_VALUE (elt), spc, flags, false);
if (TREE_CHAIN (elt))
pp_string (buffer, ", ");
}
pp_string (buffer, " }");
}
break;
case FUNCTION_TYPE:
break;
case FUNCTION_DECL:
case CONST_DECL:
dump_decl_name (buffer, node, flags);
break;
case LABEL_DECL:
if (DECL_NAME (node))
dump_decl_name (buffer, node, flags);
else if (LABEL_DECL_UID (node) != -1)
pp_printf (buffer, "<L" HOST_WIDE_INT_PRINT_DEC ">",
LABEL_DECL_UID (node));
else
pp_printf (buffer, "<D%u>", DECL_UID (node));
break;
case TYPE_DECL:
if (DECL_IS_BUILTIN (node))
{
/* Don't print the declaration of built-in types. */
break;
}
if (DECL_NAME (node))
dump_decl_name (buffer, node, flags);
else
{
if ((TREE_CODE (TREE_TYPE (node)) == RECORD_TYPE
|| TREE_CODE (TREE_TYPE (node)) == UNION_TYPE)
&& TYPE_METHODS (TREE_TYPE (node)))
{
/* The type is a c++ class: all structures have at least
4 methods. */
pp_string (buffer, "class ");
dump_generic_node (buffer, TREE_TYPE (node), spc, flags, false);
}
else
{
pp_string (buffer,
(TREE_CODE (TREE_TYPE (node)) == UNION_TYPE
? "union" : "struct "));
dump_generic_node (buffer, TREE_TYPE (node), spc, flags, false);
}
}
break;
case VAR_DECL:
case PARM_DECL:
case FIELD_DECL:
case NAMESPACE_DECL:
dump_decl_name (buffer, node, flags);
break;
case RESULT_DECL:
pp_string (buffer, "<retval>");
break;
case COMPONENT_REF:
op0 = TREE_OPERAND (node, 0);
str = ".";
if (TREE_CODE (op0) == INDIRECT_REF)
{
op0 = TREE_OPERAND (op0, 0);
str = "->";
}
if (op_prio (op0) < op_prio (node))
pp_character (buffer, '(');
dump_generic_node (buffer, op0, spc, flags, false);
if (op_prio (op0) < op_prio (node))
pp_character (buffer, ')');
pp_string (buffer, str);
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
if (TREE_CODE (op0) != VALUE_HANDLE)
{
op0 = component_ref_field_offset (node);
if (op0 && TREE_CODE (op0) != INTEGER_CST)
{
pp_string (buffer, "{off: ");
dump_generic_node (buffer, op0, spc, flags, false);
pp_character (buffer, '}');
}
}
break;
case BIT_FIELD_REF:
pp_string (buffer, "BIT_FIELD_REF <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ", ");
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
pp_string (buffer, ", ");
dump_generic_node (buffer, TREE_OPERAND (node, 2), spc, flags, false);
pp_string (buffer, ">");
break;
case ARRAY_REF:
case ARRAY_RANGE_REF:
op0 = TREE_OPERAND (node, 0);
if (op_prio (op0) < op_prio (node))
pp_character (buffer, '(');
dump_generic_node (buffer, op0, spc, flags, false);
if (op_prio (op0) < op_prio (node))
pp_character (buffer, ')');
pp_character (buffer, '[');
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
if (TREE_CODE (node) == ARRAY_RANGE_REF)
pp_string (buffer, " ...");
pp_character (buffer, ']');
/* APPLE LOCAL begin LLVM */
#ifdef ENABLE_LLVM
/* Support the "pointers in ARRAY_REF" extension */
if (TREE_CODE (TREE_TYPE (op0)) != ARRAY_TYPE)
break;
#endif
/* APPLE LOCAL end LLVM */
op0 = array_ref_low_bound (node);
op1 = array_ref_element_size (node);
if (!integer_zerop (op0)
|| (TYPE_SIZE_UNIT (TREE_TYPE (node))
&& !operand_equal_p (op1, TYPE_SIZE_UNIT (TREE_TYPE (node)), 0)))
{
pp_string (buffer, "{lb: ");
dump_generic_node (buffer, op0, spc, flags, false);
pp_string (buffer, " sz: ");
dump_generic_node (buffer, op1, spc, flags, false);
pp_character (buffer, '}');
}
break;
case CONSTRUCTOR:
{
tree lnode;
bool is_struct_init = FALSE;
pp_character (buffer, '{');
lnode = CONSTRUCTOR_ELTS (node);
if (TREE_CODE (TREE_TYPE (node)) == RECORD_TYPE
|| TREE_CODE (TREE_TYPE (node)) == UNION_TYPE)
is_struct_init = TRUE;
while (lnode && lnode != error_mark_node)
{
tree val;
if (TREE_PURPOSE (lnode) && is_struct_init)
{
pp_character (buffer, '.');
dump_generic_node (buffer, TREE_PURPOSE (lnode), spc, flags, false);
pp_string (buffer, "=");
}
val = TREE_VALUE (lnode);
if (val && TREE_CODE (val) == ADDR_EXPR)
if (TREE_CODE (TREE_OPERAND (val, 0)) == FUNCTION_DECL)
val = TREE_OPERAND (val, 0);
if (val && TREE_CODE (val) == FUNCTION_DECL)
{
dump_decl_name (buffer, val, flags);
}
else
{
dump_generic_node (buffer, TREE_VALUE (lnode), spc, flags, false);
}
lnode = TREE_CHAIN (lnode);
if (lnode && TREE_CODE (lnode) == TREE_LIST)
{
pp_character (buffer, ',');
pp_space (buffer);
}
}
pp_character (buffer, '}');
}
break;
case COMPOUND_EXPR:
{
tree *tp;
if (flags & TDF_SLIM)
{
pp_string (buffer, "<COMPOUND_EXPR>");
break;
}
dump_generic_node (buffer, TREE_OPERAND (node, 0),
spc, flags, dumping_stmts);
if (dumping_stmts)
newline_and_indent (buffer, spc);
else
{
pp_character (buffer, ',');
pp_space (buffer);
}
for (tp = &TREE_OPERAND (node, 1);
TREE_CODE (*tp) == COMPOUND_EXPR;
tp = &TREE_OPERAND (*tp, 1))
{
dump_generic_node (buffer, TREE_OPERAND (*tp, 0),
spc, flags, dumping_stmts);
if (dumping_stmts)
newline_and_indent (buffer, spc);
else
{
pp_character (buffer, ',');
pp_space (buffer);
}
}
dump_generic_node (buffer, *tp, spc, flags, dumping_stmts);
}
break;
case STATEMENT_LIST:
{
tree_stmt_iterator si;
bool first = true;
if ((flags & TDF_SLIM) || !dumping_stmts)
{
pp_string (buffer, "<STATEMENT_LIST>");
break;
}
for (si = tsi_start (node); !tsi_end_p (si); tsi_next (&si))
{
if (!first)
newline_and_indent (buffer, spc);
else
first = false;
dump_generic_node (buffer, tsi_stmt (si), spc, flags, true);
}
}
break;
case MODIFY_EXPR:
case INIT_EXPR:
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_space (buffer);
pp_character (buffer, '=');
pp_space (buffer);
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
break;
case TARGET_EXPR:
pp_string (buffer, "TARGET_EXPR <");
dump_generic_node (buffer, TARGET_EXPR_SLOT (node), spc, flags, false);
pp_character (buffer, ',');
pp_space (buffer);
dump_generic_node (buffer, TARGET_EXPR_INITIAL (node), spc, flags, false);
pp_character (buffer, '>');
break;
case DECL_EXPR:
print_declaration (buffer, DECL_EXPR_DECL (node), spc, flags);
is_stmt = false;
break;
case COND_EXPR:
if (TREE_TYPE (node) == NULL || TREE_TYPE (node) == void_type_node)
{
pp_string (buffer, "if (");
dump_generic_node (buffer, COND_EXPR_COND (node), spc, flags, false);
pp_character (buffer, ')');
/* The lowered cond_exprs should always be printed in full. */
if (COND_EXPR_THEN (node)
&& (IS_EMPTY_STMT (COND_EXPR_THEN (node))
|| TREE_CODE (COND_EXPR_THEN (node)) == GOTO_EXPR)
&& COND_EXPR_ELSE (node)
&& (IS_EMPTY_STMT (COND_EXPR_ELSE (node))
|| TREE_CODE (COND_EXPR_ELSE (node)) == GOTO_EXPR))
{
pp_space (buffer);
dump_generic_node (buffer, COND_EXPR_THEN (node), 0, flags, true);
pp_string (buffer, " else ");
dump_generic_node (buffer, COND_EXPR_ELSE (node), 0, flags, true);
}
else if (!(flags & TDF_SLIM))
{
/* Output COND_EXPR_THEN. */
if (COND_EXPR_THEN (node))
{
newline_and_indent (buffer, spc+2);
pp_character (buffer, '{');
newline_and_indent (buffer, spc+4);
dump_generic_node (buffer, COND_EXPR_THEN (node), spc+4,
flags, true);
newline_and_indent (buffer, spc+2);
pp_character (buffer, '}');
}
/* Output COND_EXPR_ELSE. */
if (COND_EXPR_ELSE (node))
{
newline_and_indent (buffer, spc);
pp_string (buffer, "else");
newline_and_indent (buffer, spc+2);
pp_character (buffer, '{');
newline_and_indent (buffer, spc+4);
dump_generic_node (buffer, COND_EXPR_ELSE (node), spc+4,
flags, true);
newline_and_indent (buffer, spc+2);
pp_character (buffer, '}');
}
}
is_expr = false;
}
else
{
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_space (buffer);
pp_character (buffer, '?');
pp_space (buffer);
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
pp_space (buffer);
pp_character (buffer, ':');
pp_space (buffer);
dump_generic_node (buffer, TREE_OPERAND (node, 2), spc, flags, false);
}
break;
case BIND_EXPR:
pp_character (buffer, '{');
if (!(flags & TDF_SLIM))
{
if (BIND_EXPR_VARS (node))
{
pp_newline (buffer);
for (op0 = BIND_EXPR_VARS (node); op0; op0 = TREE_CHAIN (op0))
{
print_declaration (buffer, op0, spc+2, flags);
pp_newline (buffer);
}
}
newline_and_indent (buffer, spc+2);
dump_generic_node (buffer, BIND_EXPR_BODY (node), spc+2, flags, true);
newline_and_indent (buffer, spc);
pp_character (buffer, '}');
}
is_expr = false;
break;
case CALL_EXPR:
print_call_name (buffer, node);
/* Print parameters. */
pp_space (buffer);
pp_character (buffer, '(');
op1 = TREE_OPERAND (node, 1);
if (op1)
dump_generic_node (buffer, op1, spc, flags, false);
pp_character (buffer, ')');
op1 = TREE_OPERAND (node, 2);
if (op1)
{
pp_string (buffer, " [static-chain: ");
dump_generic_node (buffer, op1, spc, flags, false);
pp_character (buffer, ']');
}
if (CALL_EXPR_HAS_RETURN_SLOT_ADDR (node))
pp_string (buffer, " [return slot addr]");
if (CALL_EXPR_TAILCALL (node))
pp_string (buffer, " [tail call]");
break;
case WITH_CLEANUP_EXPR:
NIY;
break;
case CLEANUP_POINT_EXPR:
pp_string (buffer, "<<cleanup_point ");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ">>");
break;
case PLACEHOLDER_EXPR:
pp_string (buffer, "<PLACEHOLDER_EXPR ");
dump_generic_node (buffer, TREE_TYPE (node), spc, flags, false);
pp_character (buffer, '>');
break;
/* Binary arithmetic and logic expressions. */
case MULT_EXPR:
case PLUS_EXPR:
case MINUS_EXPR:
case TRUNC_DIV_EXPR:
case CEIL_DIV_EXPR:
case FLOOR_DIV_EXPR:
case ROUND_DIV_EXPR:
case TRUNC_MOD_EXPR:
case CEIL_MOD_EXPR:
case FLOOR_MOD_EXPR:
case ROUND_MOD_EXPR:
case RDIV_EXPR:
case EXACT_DIV_EXPR:
case LSHIFT_EXPR:
case RSHIFT_EXPR:
case LROTATE_EXPR:
case RROTATE_EXPR:
case BIT_IOR_EXPR:
case BIT_XOR_EXPR:
case BIT_AND_EXPR:
case TRUTH_ANDIF_EXPR:
case TRUTH_ORIF_EXPR:
case TRUTH_AND_EXPR:
case TRUTH_OR_EXPR:
case TRUTH_XOR_EXPR:
case LT_EXPR:
case LE_EXPR:
case GT_EXPR:
case GE_EXPR:
case EQ_EXPR:
case NE_EXPR:
case UNLT_EXPR:
case UNLE_EXPR:
case UNGT_EXPR:
case UNGE_EXPR:
case UNEQ_EXPR:
case LTGT_EXPR:
case ORDERED_EXPR:
case UNORDERED_EXPR:
{
const char *op = op_symbol (node);
op0 = TREE_OPERAND (node, 0);
op1 = TREE_OPERAND (node, 1);
/* When the operands are expressions with less priority,
keep semantics of the tree representation. */
if (op_prio (op0) < op_prio (node))
{
pp_character (buffer, '(');
dump_generic_node (buffer, op0, spc, flags, false);
pp_character (buffer, ')');
}
else
dump_generic_node (buffer, op0, spc, flags, false);
pp_space (buffer);
pp_string (buffer, op);
pp_space (buffer);
/* When the operands are expressions with less priority,
keep semantics of the tree representation. */
if (op_prio (op1) < op_prio (node))
{
pp_character (buffer, '(');
dump_generic_node (buffer, op1, spc, flags, false);
pp_character (buffer, ')');
}
else
dump_generic_node (buffer, op1, spc, flags, false);
}
break;
/* Unary arithmetic and logic expressions. */
case NEGATE_EXPR:
case BIT_NOT_EXPR:
case TRUTH_NOT_EXPR:
case ADDR_EXPR:
case PREDECREMENT_EXPR:
case PREINCREMENT_EXPR:
case ALIGN_INDIRECT_REF:
case MISALIGNED_INDIRECT_REF:
case INDIRECT_REF:
if (TREE_CODE (node) == ADDR_EXPR
&& (TREE_CODE (TREE_OPERAND (node, 0)) == STRING_CST
|| TREE_CODE (TREE_OPERAND (node, 0)) == FUNCTION_DECL))
; /* Do not output '&' for strings and function pointers. */
else
pp_string (buffer, op_symbol (node));
if (op_prio (TREE_OPERAND (node, 0)) < op_prio (node))
{
pp_character (buffer, '(');
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_character (buffer, ')');
}
else
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
if (TREE_CODE (node) == MISALIGNED_INDIRECT_REF)
{
pp_string (buffer, "{misalignment: ");
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
pp_character (buffer, '}');
}
break;
case POSTDECREMENT_EXPR:
case POSTINCREMENT_EXPR:
if (op_prio (TREE_OPERAND (node, 0)) < op_prio (node))
{
pp_character (buffer, '(');
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_character (buffer, ')');
}
else
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, op_symbol (node));
break;
case MIN_EXPR:
pp_string (buffer, "MIN_EXPR <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ", ");
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
pp_character (buffer, '>');
break;
case MAX_EXPR:
pp_string (buffer, "MAX_EXPR <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ", ");
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
pp_character (buffer, '>');
break;
case ABS_EXPR:
pp_string (buffer, "ABS_EXPR <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_character (buffer, '>');
break;
case RANGE_EXPR:
NIY;
break;
case FIX_TRUNC_EXPR:
case FIX_CEIL_EXPR:
case FIX_FLOOR_EXPR:
case FIX_ROUND_EXPR:
case FLOAT_EXPR:
case CONVERT_EXPR:
case NOP_EXPR:
type = TREE_TYPE (node);
op0 = TREE_OPERAND (node, 0);
if (type != TREE_TYPE (op0))
{
pp_character (buffer, '(');
dump_generic_node (buffer, type, spc, flags, false);
pp_string (buffer, ") ");
}
if (op_prio (op0) < op_prio (node))
pp_character (buffer, '(');
dump_generic_node (buffer, op0, spc, flags, false);
if (op_prio (op0) < op_prio (node))
pp_character (buffer, ')');
break;
case VIEW_CONVERT_EXPR:
pp_string (buffer, "VIEW_CONVERT_EXPR<");
dump_generic_node (buffer, TREE_TYPE (node), spc, flags, false);
pp_string (buffer, ">(");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_character (buffer, ')');
break;
case NON_LVALUE_EXPR:
pp_string (buffer, "NON_LVALUE_EXPR <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_character (buffer, '>');
break;
case SAVE_EXPR:
pp_string (buffer, "SAVE_EXPR <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_character (buffer, '>');
break;
case COMPLEX_EXPR:
pp_string (buffer, "COMPLEX_EXPR <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ", ");
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
pp_string (buffer, ">");
break;
case CONJ_EXPR:
pp_string (buffer, "CONJ_EXPR <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ">");
break;
case REALPART_EXPR:
pp_string (buffer, "REALPART_EXPR <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ">");
break;
case IMAGPART_EXPR:
pp_string (buffer, "IMAGPART_EXPR <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ">");
break;
case VA_ARG_EXPR:
pp_string (buffer, "VA_ARG_EXPR <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ">");
break;
case TRY_FINALLY_EXPR:
case TRY_CATCH_EXPR:
pp_string (buffer, "try");
newline_and_indent (buffer, spc+2);
pp_string (buffer, "{");
newline_and_indent (buffer, spc+4);
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc+4, flags, true);
newline_and_indent (buffer, spc+2);
pp_string (buffer, "}");
newline_and_indent (buffer, spc);
pp_string (buffer,
(TREE_CODE (node) == TRY_CATCH_EXPR) ? "catch" : "finally");
newline_and_indent (buffer, spc+2);
pp_string (buffer, "{");
newline_and_indent (buffer, spc+4);
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc+4, flags, true);
newline_and_indent (buffer, spc+2);
pp_string (buffer, "}");
is_expr = false;
break;
case CATCH_EXPR:
pp_string (buffer, "catch (");
dump_generic_node (buffer, CATCH_TYPES (node), spc+2, flags, false);
pp_string (buffer, ")");
newline_and_indent (buffer, spc+2);
pp_string (buffer, "{");
newline_and_indent (buffer, spc+4);
dump_generic_node (buffer, CATCH_BODY (node), spc+4, flags, true);
newline_and_indent (buffer, spc+2);
pp_string (buffer, "}");
is_expr = false;
break;
case EH_FILTER_EXPR:
pp_string (buffer, "<<<eh_filter (");
dump_generic_node (buffer, EH_FILTER_TYPES (node), spc+2, flags, false);
pp_string (buffer, ")>>>");
newline_and_indent (buffer, spc+2);
pp_string (buffer, "{");
newline_and_indent (buffer, spc+4);
dump_generic_node (buffer, EH_FILTER_FAILURE (node), spc+4, flags, true);
newline_and_indent (buffer, spc+2);
pp_string (buffer, "}");
is_expr = false;
break;
case LABEL_EXPR:
op0 = TREE_OPERAND (node, 0);
/* If this is for break or continue, don't bother printing it. */
if (DECL_NAME (op0))
{
const char *name = IDENTIFIER_POINTER (DECL_NAME (op0));
if (strcmp (name, "break") == 0
|| strcmp (name, "continue") == 0)
break;
}
dump_generic_node (buffer, op0, spc, flags, false);
pp_character (buffer, ':');
if (DECL_NONLOCAL (op0))
pp_string (buffer, " [non-local]");
break;
case EXC_PTR_EXPR:
pp_string (buffer, "<<<exception object>>>");
break;
case FILTER_EXPR:
pp_string (buffer, "<<<filter object>>>");
break;
case LOOP_EXPR:
pp_string (buffer, "while (1)");
if (!(flags & TDF_SLIM))
{
newline_and_indent (buffer, spc+2);
pp_character (buffer, '{');
newline_and_indent (buffer, spc+4);
dump_generic_node (buffer, LOOP_EXPR_BODY (node), spc+4, flags, true);
newline_and_indent (buffer, spc+2);
pp_character (buffer, '}');
}
is_expr = false;
break;
case RETURN_EXPR:
pp_string (buffer, "return");
op0 = TREE_OPERAND (node, 0);
if (op0)
{
pp_space (buffer);
if (TREE_CODE (op0) == MODIFY_EXPR)
dump_generic_node (buffer, TREE_OPERAND (op0, 1), spc, flags, false);
else
dump_generic_node (buffer, op0, spc, flags, false);
}
break;
case EXIT_EXPR:
pp_string (buffer, "if (");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ") break");
break;
case SWITCH_EXPR:
pp_string (buffer, "switch (");
dump_generic_node (buffer, SWITCH_COND (node), spc, flags, false);
pp_character (buffer, ')');
if (!(flags & TDF_SLIM))
{
newline_and_indent (buffer, spc+2);
pp_character (buffer, '{');
if (SWITCH_BODY (node))
{
newline_and_indent (buffer, spc+4);
dump_generic_node (buffer, SWITCH_BODY (node), spc+4, flags, true);
}
else
{
tree vec = SWITCH_LABELS (node);
size_t i, n = TREE_VEC_LENGTH (vec);
for (i = 0; i < n; ++i)
{
tree elt = TREE_VEC_ELT (vec, i);
newline_and_indent (buffer, spc+4);
dump_generic_node (buffer, elt, spc+4, flags, false);
pp_string (buffer, " goto ");
dump_generic_node (buffer, CASE_LABEL (elt), spc+4, flags, true);
pp_semicolon (buffer);
}
}
newline_and_indent (buffer, spc+2);
pp_character (buffer, '}');
}
is_expr = false;
break;
case GOTO_EXPR:
op0 = GOTO_DESTINATION (node);
if (TREE_CODE (op0) != SSA_NAME && DECL_P (op0) && DECL_NAME (op0))
{
const char *name = IDENTIFIER_POINTER (DECL_NAME (op0));
if (strcmp (name, "break") == 0
|| strcmp (name, "continue") == 0)
{
pp_string (buffer, name);
break;
}
}
pp_string (buffer, "goto ");
dump_generic_node (buffer, op0, spc, flags, false);
break;
case RESX_EXPR:
pp_string (buffer, "resx");
/* ??? Any sensible way to present the eh region? */
break;
case ASM_EXPR:
pp_string (buffer, "__asm__");
if (ASM_VOLATILE_P (node))
pp_string (buffer, " __volatile__");
pp_character (buffer, '(');
dump_generic_node (buffer, ASM_STRING (node), spc, flags, false);
pp_character (buffer, ':');
dump_generic_node (buffer, ASM_OUTPUTS (node), spc, flags, false);
pp_character (buffer, ':');
dump_generic_node (buffer, ASM_INPUTS (node), spc, flags, false);
if (ASM_CLOBBERS (node))
{
pp_character (buffer, ':');
dump_generic_node (buffer, ASM_CLOBBERS (node), spc, flags, false);
}
pp_string (buffer, ")");
break;
case CASE_LABEL_EXPR:
if (CASE_LOW (node) && CASE_HIGH (node))
{
pp_string (buffer, "case ");
dump_generic_node (buffer, CASE_LOW (node), spc, flags, false);
pp_string (buffer, " ... ");
dump_generic_node (buffer, CASE_HIGH (node), spc, flags, false);
}
else if (CASE_LOW (node))
{
pp_string (buffer, "case ");
dump_generic_node (buffer, CASE_LOW (node), spc, flags, false);
}
else
pp_string (buffer, "default ");
pp_character (buffer, ':');
break;
case OBJ_TYPE_REF:
pp_string (buffer, "OBJ_TYPE_REF(");
dump_generic_node (buffer, OBJ_TYPE_REF_EXPR (node), spc, flags, false);
pp_character (buffer, ';');
dump_generic_node (buffer, OBJ_TYPE_REF_OBJECT (node), spc, flags, false);
pp_character (buffer, '-');
pp_character (buffer, '>');
dump_generic_node (buffer, OBJ_TYPE_REF_TOKEN (node), spc, flags, false);
pp_character (buffer, ')');
break;
case PHI_NODE:
{
int i;
dump_generic_node (buffer, PHI_RESULT (node), spc, flags, false);
pp_string (buffer, " = PHI <");
for (i = 0; i < PHI_NUM_ARGS (node); i++)
{
dump_generic_node (buffer, PHI_ARG_DEF (node, i), spc, flags, false);
pp_string (buffer, "(");
pp_decimal_int (buffer, PHI_ARG_EDGE (node, i)->src->index);
pp_string (buffer, ")");
if (i < PHI_NUM_ARGS (node) - 1)
pp_string (buffer, ", ");
}
pp_string (buffer, ">;");
}
break;
case SSA_NAME:
dump_generic_node (buffer, SSA_NAME_VAR (node), spc, flags, false);
pp_string (buffer, "_");
pp_decimal_int (buffer, SSA_NAME_VERSION (node));
break;
case WITH_SIZE_EXPR:
pp_string (buffer, "WITH_SIZE_EXPR <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ", ");
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
pp_string (buffer, ">");
break;
case VALUE_HANDLE:
pp_printf (buffer, "VH.%d", VALUE_HANDLE_ID (node));
break;
case SCEV_KNOWN:
pp_string (buffer, "scev_known");
break;
case SCEV_NOT_KNOWN:
pp_string (buffer, "scev_not_known");
break;
case POLYNOMIAL_CHREC:
pp_string (buffer, "{");
dump_generic_node (buffer, CHREC_LEFT (node), spc, flags, false);
pp_string (buffer, ", +, ");
dump_generic_node (buffer, CHREC_RIGHT (node), spc, flags, false);
pp_string (buffer, "}_");
dump_generic_node (buffer, CHREC_VAR (node), spc, flags, false);
is_stmt = false;
break;
case REALIGN_LOAD_EXPR:
pp_string (buffer, "REALIGN_LOAD <");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, ", ");
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
pp_string (buffer, ", ");
dump_generic_node (buffer, TREE_OPERAND (node, 2), spc, flags, false);
pp_string (buffer, ">");
break;
case VEC_COND_EXPR:
pp_string (buffer, " VEC_COND_EXPR < ");
dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false);
pp_string (buffer, " , ");
dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false);
pp_string (buffer, " , ");
dump_generic_node (buffer, TREE_OPERAND (node, 2), spc, flags, false);
pp_string (buffer, " > ");
break;
default:
NIY;
}
if (is_stmt && is_expr)
pp_semicolon (buffer);
pp_write_text_to_stream (buffer);
return spc;
}
/* Print the declaration of a variable. */
static void
print_declaration (pretty_printer *buffer, tree t, int spc, int flags)
{
INDENT (spc);
if (TREE_CODE (t) == TYPE_DECL)
pp_string (buffer, "typedef ");
if (DECL_REGISTER (t))
pp_string (buffer, "register ");
if (TREE_PUBLIC (t) && DECL_EXTERNAL (t))
pp_string (buffer, "extern ");
else if (TREE_STATIC (t))
pp_string (buffer, "static ");
/* Print the type and name. */
if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE)
{
tree tmp;
/* Print array's type. */
tmp = TREE_TYPE (t);
while (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE)
tmp = TREE_TYPE (tmp);
dump_generic_node (buffer, TREE_TYPE (tmp), spc, flags, false);
/* Print variable's name. */
pp_space (buffer);
dump_generic_node (buffer, t, spc, flags, false);
/* Print the dimensions. */
tmp = TREE_TYPE (t);
while (TREE_CODE (tmp) == ARRAY_TYPE)
{
dump_array_domain (buffer, TYPE_DOMAIN (tmp), spc, flags);
tmp = TREE_TYPE (tmp);
}
}
else if (TREE_CODE (t) == FUNCTION_DECL)
{
dump_generic_node (buffer, TREE_TYPE (TREE_TYPE (t)), spc, flags, false);
pp_space (buffer);
dump_decl_name (buffer, t, flags);
dump_function_declaration (buffer, TREE_TYPE (t), spc, flags);
}
else
{
/* Print type declaration. */
dump_generic_node (buffer, TREE_TYPE (t), spc, flags, false);
/* Print variable's name. */
pp_space (buffer);
dump_generic_node (buffer, t, spc, flags, false);
}
if (TREE_CODE (t) == VAR_DECL && DECL_HARD_REGISTER (t))
{
pp_string (buffer, " __asm__ ");
pp_character (buffer, '(');
dump_generic_node (buffer, DECL_ASSEMBLER_NAME (t), spc, flags, false);
pp_character (buffer, ')');
}
/* The initial value of a function serves to determine wether the function
is declared or defined. So the following does not apply to function
nodes. */
if (TREE_CODE (t) != FUNCTION_DECL)
{
/* Print the initial value. */
if (DECL_INITIAL (t))
{
pp_space (buffer);
pp_character (buffer, '=');
pp_space (buffer);
dump_generic_node (buffer, DECL_INITIAL (t), spc, flags, false);
}
}
pp_character (buffer, ';');
}
/* Prints a structure: name, fields, and methods.
FIXME: Still incomplete. */
static void
print_struct_decl (pretty_printer *buffer, tree node, int spc, int flags)
{
/* Print the name of the structure. */
if (TYPE_NAME (node))
{
INDENT (spc);
if (TREE_CODE (node) == RECORD_TYPE)
pp_string (buffer, "struct ");
else if ((TREE_CODE (node) == UNION_TYPE
|| TREE_CODE (node) == QUAL_UNION_TYPE))
pp_string (buffer, "union ");
dump_generic_node (buffer, TYPE_NAME (node), spc, 0, false);
}
/* Print the contents of the structure. */
pp_newline (buffer);
INDENT (spc);
pp_character (buffer, '{');
pp_newline (buffer);
/* Print the fields of the structure. */
{
tree tmp;
tmp = TYPE_FIELDS (node);
while (tmp)
{
/* Avoid to print recursively the structure. */
/* FIXME : Not implemented correctly...,
what about the case when we have a cycle in the contain graph? ...
Maybe this could be solved by looking at the scope in which the
structure was declared. */
if (TREE_TYPE (tmp) != node
|| (TREE_CODE (TREE_TYPE (tmp)) == POINTER_TYPE
&& TREE_TYPE (TREE_TYPE (tmp)) != node))
{
print_declaration (buffer, tmp, spc+2, flags);
pp_newline (buffer);
}
tmp = TREE_CHAIN (tmp);
}
}
INDENT (spc);
pp_character (buffer, '}');
}
/* Return the priority of the operator OP.
From lowest to highest precedence with either left-to-right (L-R)
or right-to-left (R-L) associativity]:
1 [L-R] ,
2 [R-L] = += -= *= /= %= &= ^= |= <<= >>=
3 [R-L] ?:
4 [L-R] ||
5 [L-R] &&
6 [L-R] |
7 [L-R] ^
8 [L-R] &
9 [L-R] == !=
10 [L-R] < <= > >=
11 [L-R] << >>
12 [L-R] + -
13 [L-R] * / %
14 [R-L] ! ~ ++ -- + - * & (type) sizeof
15 [L-R] fn() [] -> .
unary +, - and * have higher precedence than the corresponding binary
operators. */
static int
op_prio (tree op)
{
if (op == NULL)
return 9999;
switch (TREE_CODE (op))
{
case TREE_LIST:
case COMPOUND_EXPR:
case BIND_EXPR:
return 1;
case MODIFY_EXPR:
case INIT_EXPR:
return 2;
case COND_EXPR:
return 3;
case TRUTH_OR_EXPR:
case TRUTH_ORIF_EXPR:
return 4;
case TRUTH_AND_EXPR:
case TRUTH_ANDIF_EXPR:
return 5;
case BIT_IOR_EXPR:
return 6;
case BIT_XOR_EXPR:
case TRUTH_XOR_EXPR:
return 7;
case BIT_AND_EXPR:
return 8;
case EQ_EXPR:
case NE_EXPR:
return 9;
case UNLT_EXPR:
case UNLE_EXPR:
case UNGT_EXPR:
case UNGE_EXPR:
case UNEQ_EXPR:
case LTGT_EXPR:
case ORDERED_EXPR:
case UNORDERED_EXPR:
case LT_EXPR:
case LE_EXPR:
case GT_EXPR:
case GE_EXPR:
return 10;
case LSHIFT_EXPR:
case RSHIFT_EXPR:
case LROTATE_EXPR:
case RROTATE_EXPR:
return 11;
case PLUS_EXPR:
case MINUS_EXPR:
return 12;
case MULT_EXPR:
case TRUNC_DIV_EXPR:
case CEIL_DIV_EXPR:
case FLOOR_DIV_EXPR:
case ROUND_DIV_EXPR:
case RDIV_EXPR:
case EXACT_DIV_EXPR:
case TRUNC_MOD_EXPR:
case CEIL_MOD_EXPR:
case FLOOR_MOD_EXPR:
case ROUND_MOD_EXPR:
return 13;
case TRUTH_NOT_EXPR:
case BIT_NOT_EXPR:
case POSTINCREMENT_EXPR:
case POSTDECREMENT_EXPR:
case PREINCREMENT_EXPR:
case PREDECREMENT_EXPR:
case NEGATE_EXPR:
case ALIGN_INDIRECT_REF:
case MISALIGNED_INDIRECT_REF:
case INDIRECT_REF:
case ADDR_EXPR:
case FLOAT_EXPR:
case NOP_EXPR:
case CONVERT_EXPR:
case FIX_TRUNC_EXPR:
case FIX_CEIL_EXPR:
case FIX_FLOOR_EXPR:
case FIX_ROUND_EXPR:
case TARGET_EXPR:
return 14;
case CALL_EXPR:
case ARRAY_REF:
case ARRAY_RANGE_REF:
case COMPONENT_REF:
return 15;
/* Special expressions. */
case MIN_EXPR:
case MAX_EXPR:
case ABS_EXPR:
case REALPART_EXPR:
case IMAGPART_EXPR:
return 16;
case SAVE_EXPR:
case NON_LVALUE_EXPR:
return op_prio (TREE_OPERAND (op, 0));
default:
/* Return an arbitrarily high precedence to avoid surrounding single
VAR_DECLs in ()s. */
return 9999;
}
}
/* Return the symbol associated with operator OP. */
static const char *
op_symbol (tree op)
{
gcc_assert (op);
switch (TREE_CODE (op))
{
case MODIFY_EXPR:
return "=";
case TRUTH_OR_EXPR:
case TRUTH_ORIF_EXPR:
return "||";
case TRUTH_AND_EXPR:
case TRUTH_ANDIF_EXPR:
return "&&";
case BIT_IOR_EXPR:
return "|";
case TRUTH_XOR_EXPR:
case BIT_XOR_EXPR:
return "^";
case ADDR_EXPR:
case BIT_AND_EXPR:
return "&";
case ORDERED_EXPR:
return "ord";
case UNORDERED_EXPR:
return "unord";
case EQ_EXPR:
return "==";
case UNEQ_EXPR:
return "u==";
case NE_EXPR:
return "!=";
case LT_EXPR:
return "<";
case UNLT_EXPR:
return "u<";
case LE_EXPR:
return "<=";
case UNLE_EXPR:
return "u<=";
case GT_EXPR:
return ">";
case UNGT_EXPR:
return "u>";
case GE_EXPR:
return ">=";
case UNGE_EXPR:
return "u>=";
case LTGT_EXPR:
return "<>";
case LSHIFT_EXPR:
return "<<";
case RSHIFT_EXPR:
return ">>";
case PLUS_EXPR:
return "+";
case NEGATE_EXPR:
case MINUS_EXPR:
return "-";
case BIT_NOT_EXPR:
return "~";
case TRUTH_NOT_EXPR:
return "!";
case MULT_EXPR:
case INDIRECT_REF:
return "*";
case ALIGN_INDIRECT_REF:
return "A*";
case MISALIGNED_INDIRECT_REF:
return "M*";
case TRUNC_DIV_EXPR:
case RDIV_EXPR:
return "/";
case CEIL_DIV_EXPR:
return "/[cl]";
case FLOOR_DIV_EXPR:
return "/[fl]";
case ROUND_DIV_EXPR:
return "/[rd]";
case EXACT_DIV_EXPR:
return "/[ex]";
case TRUNC_MOD_EXPR:
return "%";
case CEIL_MOD_EXPR:
return "%[cl]";
case FLOOR_MOD_EXPR:
return "%[fl]";
case ROUND_MOD_EXPR:
return "%[rd]";
case PREDECREMENT_EXPR:
return " --";
case PREINCREMENT_EXPR:
return " ++";
case POSTDECREMENT_EXPR:
return "-- ";
case POSTINCREMENT_EXPR:
return "++ ";
default:
return "<<< ??? >>>";
}
}
/* Prints the name of a CALL_EXPR. */
static void
print_call_name (pretty_printer *buffer, tree node)
{
tree op0;
gcc_assert (TREE_CODE (node) == CALL_EXPR);
op0 = TREE_OPERAND (node, 0);
if (TREE_CODE (op0) == NON_LVALUE_EXPR)
op0 = TREE_OPERAND (op0, 0);
switch (TREE_CODE (op0))
{
case VAR_DECL:
case PARM_DECL:
dump_function_name (buffer, op0);
break;
case ADDR_EXPR:
case INDIRECT_REF:
case NOP_EXPR:
dump_generic_node (buffer, TREE_OPERAND (op0, 0), 0, 0, false);
break;
case COND_EXPR:
pp_string (buffer, "(");
dump_generic_node (buffer, TREE_OPERAND (op0, 0), 0, 0, false);
pp_string (buffer, ") ? ");
dump_generic_node (buffer, TREE_OPERAND (op0, 1), 0, 0, false);
pp_string (buffer, " : ");
dump_generic_node (buffer, TREE_OPERAND (op0, 2), 0, 0, false);
break;
case COMPONENT_REF:
/* The function is a pointer contained in a structure. */
if (TREE_CODE (TREE_OPERAND (op0, 0)) == INDIRECT_REF ||
TREE_CODE (TREE_OPERAND (op0, 0)) == VAR_DECL)
dump_function_name (buffer, TREE_OPERAND (op0, 1));
else
dump_generic_node (buffer, TREE_OPERAND (op0, 0), 0, 0, false);
/* else
We can have several levels of structures and a function
pointer inside. This is not implemented yet... */
/* NIY;*/
break;
case ARRAY_REF:
if (TREE_CODE (TREE_OPERAND (op0, 0)) == VAR_DECL)
dump_function_name (buffer, TREE_OPERAND (op0, 0));
else
dump_generic_node (buffer, op0, 0, 0, false);
break;
case SSA_NAME:
case OBJ_TYPE_REF:
dump_generic_node (buffer, op0, 0, 0, false);
break;
default:
NIY;
}
}
/* Parses the string STR and replaces new-lines by '\n', tabs by '\t', ... */
static void
pretty_print_string (pretty_printer *buffer, const char *str)
{
if (str == NULL)
return;
while (*str)
{
switch (str[0])
{
case '\b':
pp_string (buffer, "\\b");
break;
case '\f':
pp_string (buffer, "\\f");
break;
case '\n':
pp_string (buffer, "\\n");
break;
case '\r':
pp_string (buffer, "\\r");
break;
case '\t':
pp_string (buffer, "\\t");
break;
case '\v':
pp_string (buffer, "\\v");
break;
case '\\':
pp_string (buffer, "\\\\");
break;
case '\"':
pp_string (buffer, "\\\"");
break;
case '\'':
pp_string (buffer, "\\'");
break;
case '\0':
pp_string (buffer, "\\0");
break;
case '\1':
pp_string (buffer, "\\1");
break;
case '\2':
pp_string (buffer, "\\2");
break;
case '\3':
pp_string (buffer, "\\3");
break;
case '\4':
pp_string (buffer, "\\4");
break;
case '\5':
pp_string (buffer, "\\5");
break;
case '\6':
pp_string (buffer, "\\6");
break;
case '\7':
pp_string (buffer, "\\7");
break;
default:
pp_character (buffer, str[0]);
break;
}
str++;
}
}
static void
maybe_init_pretty_print (FILE *file)
{
if (!initialized)
{
pp_construct (&buffer, /* prefix */NULL, /* line-width */0);
pp_needs_newline (&buffer) = true;
initialized = 1;
}
buffer.buffer->stream = file;
}
static void
newline_and_indent (pretty_printer *buffer, int spc)
{
pp_newline (buffer);
INDENT (spc);
}
static void
dump_vops (pretty_printer *buffer, tree stmt, int spc, int flags)
{
tree use;
use_operand_p use_p;
def_operand_p def_p;
use_operand_p kill_p;
ssa_op_iter iter;
FOR_EACH_SSA_MAYDEF_OPERAND (def_p, use_p, stmt, iter)
{
pp_string (buffer, "# ");
dump_generic_node (buffer, DEF_FROM_PTR (def_p),
spc + 2, flags, false);
pp_string (buffer, " = V_MAY_DEF <");
dump_generic_node (buffer, USE_FROM_PTR (use_p),
spc + 2, flags, false);
pp_string (buffer, ">;");
newline_and_indent (buffer, spc);
}
FOR_EACH_SSA_MUSTDEF_OPERAND (def_p, kill_p, stmt, iter)
{
pp_string (buffer, "# ");
dump_generic_node (buffer, DEF_FROM_PTR (def_p),
spc + 2, flags, false);
pp_string (buffer, " = V_MUST_DEF <");
dump_generic_node (buffer, USE_FROM_PTR (kill_p),
spc + 2, flags, false);
pp_string (buffer, ">;");
newline_and_indent (buffer, spc);
}
FOR_EACH_SSA_TREE_OPERAND (use, stmt, iter, SSA_OP_VUSE)
{
pp_string (buffer, "# VUSE <");
dump_generic_node (buffer, use, spc + 2, flags, false);
pp_string (buffer, ">;");
newline_and_indent (buffer, spc);
}
}
/* Dumps basic block BB to FILE with details described by FLAGS and
indented by INDENT spaces. */
void
dump_generic_bb (FILE *file, basic_block bb, int indent, int flags)
{
maybe_init_pretty_print (file);
dumping_stmts = true;
dump_generic_bb_buff (&buffer, bb, indent, flags);
pp_flush (&buffer);
}
/* Dumps header of basic block BB to buffer BUFFER indented by INDENT
spaces and details described by flags. */
static void
dump_bb_header (pretty_printer *buffer, basic_block bb, int indent, int flags)
{
edge e;
tree stmt;
edge_iterator ei;
if (flags & TDF_BLOCKS)
{
INDENT (indent);
pp_string (buffer, "# BLOCK ");
pp_decimal_int (buffer, bb->index);
if (flags & TDF_LINENO)
{
block_stmt_iterator bsi;
for (bsi = bsi_start (bb); !bsi_end_p (bsi); bsi_next (&bsi))
if (get_lineno (bsi_stmt (bsi)) != -1)
{
pp_string (buffer, ", starting at line ");
pp_decimal_int (buffer, get_lineno (bsi_stmt (bsi)));
break;
}
}
newline_and_indent (buffer, indent);
pp_string (buffer, "# PRED:");
pp_write_text_to_stream (buffer);
FOR_EACH_EDGE (e, ei, bb->preds)
if (flags & TDF_SLIM)
{
pp_string (buffer, " ");
if (e->src == ENTRY_BLOCK_PTR)
pp_string (buffer, "ENTRY");
else
pp_decimal_int (buffer, e->src->index);
}
else
dump_edge_info (buffer->buffer->stream, e, 0);
pp_newline (buffer);
}
else
{
stmt = first_stmt (bb);
if (!stmt || TREE_CODE (stmt) != LABEL_EXPR)
{
INDENT (indent - 2);
pp_string (buffer, "<bb ");
pp_decimal_int (buffer, bb->index);
pp_string (buffer, ">:");
pp_newline (buffer);
}
}
pp_write_text_to_stream (buffer);
check_bb_profile (bb, buffer->buffer->stream);
}
/* Dumps end of basic block BB to buffer BUFFER indented by INDENT
spaces. */
static void
dump_bb_end (pretty_printer *buffer, basic_block bb, int indent, int flags)
{
edge e;
edge_iterator ei;
INDENT (indent);
pp_string (buffer, "# SUCC:");
pp_write_text_to_stream (buffer);
FOR_EACH_EDGE (e, ei, bb->succs)
if (flags & TDF_SLIM)
{
pp_string (buffer, " ");
if (e->dest == EXIT_BLOCK_PTR)
pp_string (buffer, "EXIT");
else
pp_decimal_int (buffer, e->dest->index);
}
else
dump_edge_info (buffer->buffer->stream, e, 1);
pp_newline (buffer);
}
/* Dumps phi nodes of basic block BB to buffer BUFFER with details described by
FLAGS indented by INDENT spaces. */
static void
dump_phi_nodes (pretty_printer *buffer, basic_block bb, int indent, int flags)
{
tree phi = phi_nodes (bb);
if (!phi)
return;
for (; phi; phi = PHI_CHAIN (phi))
{
if (is_gimple_reg (PHI_RESULT (phi)) || (flags & TDF_VOPS))
{
INDENT (indent);
pp_string (buffer, "# ");
dump_generic_node (buffer, phi, indent, flags, false);
pp_newline (buffer);
}
}
}
/* Dump jump to basic block BB that is represented implicitly in the cfg
to BUFFER. */
static void
pp_cfg_jump (pretty_printer *buffer, basic_block bb)
{
tree stmt;
stmt = first_stmt (bb);
pp_string (buffer, "goto <bb ");
pp_decimal_int (buffer, bb->index);
pp_string (buffer, ">");
if (stmt && TREE_CODE (stmt) == LABEL_EXPR)
{
pp_string (buffer, " (");
dump_generic_node (buffer, LABEL_EXPR_LABEL (stmt), 0, 0, false);
pp_string (buffer, ")");
}
pp_semicolon (buffer);
}
/* Dump edges represented implicitly in basic block BB to BUFFER, indented
by INDENT spaces, with details given by FLAGS. */
static void
dump_implicit_edges (pretty_printer *buffer, basic_block bb, int indent,
int flags)
{
edge e;
edge_iterator ei;
/* If there is a fallthru edge, we may need to add an artificial goto to the
dump. */
FOR_EACH_EDGE (e, ei, bb->succs)
if (e->flags & EDGE_FALLTHRU)
break;
if (e && e->dest != bb->next_bb)
{
INDENT (indent);
if ((flags & TDF_LINENO)
#ifdef USE_MAPPED_LOCATION
&& e->goto_locus != UNKNOWN_LOCATION
#else
&& e->goto_locus
#endif
)
{
expanded_location goto_xloc;
#ifdef USE_MAPPED_LOCATION
goto_xloc = expand_location (e->goto_locus);
#else
goto_xloc = *e->goto_locus;
#endif
pp_character (buffer, '[');
if (goto_xloc.file)
{
pp_string (buffer, goto_xloc.file);
pp_string (buffer, " : ");
}
pp_decimal_int (buffer, goto_xloc.line);
pp_string (buffer, "] ");
}
pp_cfg_jump (buffer, e->dest);
pp_newline (buffer);
}
}
/* Dumps basic block BB to buffer BUFFER with details described by FLAGS and
indented by INDENT spaces. */
static void
dump_generic_bb_buff (pretty_printer *buffer, basic_block bb,
int indent, int flags)
{
block_stmt_iterator bsi;
tree stmt;
int label_indent = indent - 2;
if (label_indent < 0)
label_indent = 0;
dump_bb_header (buffer, bb, indent, flags);
if (bb_ann (bb))
dump_phi_nodes (buffer, bb, indent, flags);
for (bsi = bsi_start (bb); !bsi_end_p (bsi); bsi_next (&bsi))
{
int curr_indent;
stmt = bsi_stmt (bsi);
curr_indent = TREE_CODE (stmt) == LABEL_EXPR ? label_indent : indent;
INDENT (curr_indent);
dump_generic_node (buffer, stmt, curr_indent, flags, true);
pp_newline (buffer);
}
dump_implicit_edges (buffer, bb, indent, flags);
if (flags & TDF_BLOCKS)
dump_bb_end (buffer, bb, indent, flags);
}