/* Subroutines common to both C and C++ pretty-printers.
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>
high = ~high + !low;
low = -low;
}
- sprintf (pp_buffer (pp)->digit_buffer,
- HOST_WIDE_INT_PRINT_DOUBLE_HEX, high, low);
+ sprintf (pp_buffer (pp)->digit_buffer, HOST_WIDE_INT_PRINT_DOUBLE_HEX,
+ (unsigned HOST_WIDE_INT) high, (unsigned HOST_WIDE_INT) low);
pp_string (pp, pp_buffer (pp)->digit_buffer);
}
if (TYPE_UNSIGNED (type))
}
}
+/* Pretty-print a COMPLEX_EXPR expression. */
+
+static void
+pp_c_complex_expr (c_pretty_printer *pp, tree e)
+{
+ /* Handle a few common special cases, otherwise fallback
+ to printing it as compound literal. */
+ tree type = TREE_TYPE (e);
+ tree realexpr = TREE_OPERAND (e, 0);
+ tree imagexpr = TREE_OPERAND (e, 1);
+
+ /* Cast of an COMPLEX_TYPE expression to a different COMPLEX_TYPE. */
+ if (TREE_CODE (realexpr) == NOP_EXPR
+ && TREE_CODE (imagexpr) == NOP_EXPR
+ && TREE_TYPE (realexpr) == TREE_TYPE (type)
+ && TREE_TYPE (imagexpr) == TREE_TYPE (type)
+ && TREE_CODE (TREE_OPERAND (realexpr, 0)) == REALPART_EXPR
+ && TREE_CODE (TREE_OPERAND (imagexpr, 0)) == IMAGPART_EXPR
+ && TREE_OPERAND (TREE_OPERAND (realexpr, 0), 0)
+ == TREE_OPERAND (TREE_OPERAND (imagexpr, 0), 0))
+ {
+ pp_c_type_cast (pp, type);
+ pp_expression (pp, TREE_OPERAND (TREE_OPERAND (realexpr, 0), 0));
+ return;
+ }
+
+ /* Cast of an scalar expression to COMPLEX_TYPE. */
+ if ((integer_zerop (imagexpr) || real_zerop (imagexpr))
+ && TREE_TYPE (realexpr) == TREE_TYPE (type))
+ {
+ pp_c_type_cast (pp, type);
+ if (TREE_CODE (realexpr) == NOP_EXPR)
+ realexpr = TREE_OPERAND (realexpr, 0);
+ pp_expression (pp, realexpr);
+ return;
+ }
+
+ pp_c_compound_literal (pp, e);
+}
+
/* constant:
integer-constant
floating-constant
case COMPLEX_CST:
/* Sometimes, we are confused and we think a complex literal
is a constant. Such thing is a compound literal which
- grammatically belongs to postifx-expr production. */
+ grammatically belongs to postfix-expr production. */
pp_c_compound_literal (pp, e);
break;
break;
default:
- /* FIXME: Make sure we won't get into an infinie loop. */
+ /* FIXME: Make sure we won't get into an infinite loop. */
pp_c_left_paren (pp);
pp_expression (pp, e);
pp_c_right_paren (pp);
tree type = TREE_TYPE (e);
const enum tree_code code = TREE_CODE (type);
+ if (TREE_CODE (e) == CONSTRUCTOR)
+ {
+ pp_c_constructor_elts (pp, CONSTRUCTOR_ELTS (e));
+ return;
+ }
+
switch (code)
{
case RECORD_TYPE:
case VECTOR_TYPE:
if (TREE_CODE (e) == VECTOR_CST)
pp_c_expression_list (pp, TREE_VECTOR_CST_ELTS (e));
- else if (TREE_CODE (e) == CONSTRUCTOR)
- pp_c_constructor_elts (pp, CONSTRUCTOR_ELTS (e));
else
break;
return;
case COMPLEX_TYPE:
- if (TREE_CODE (e) == CONSTRUCTOR)
- pp_c_constructor_elts (pp, CONSTRUCTOR_ELTS (e));
- else if (TREE_CODE (e) == COMPLEX_CST || TREE_CODE (e) == COMPLEX_EXPR)
+ if (TREE_CODE (e) == COMPLEX_CST || TREE_CODE (e) == COMPLEX_EXPR)
{
const bool cst = TREE_CODE (e) == COMPLEX_CST;
pp_expression (pp, cst ? TREE_REALPART (e) : TREE_OPERAND (e, 0));
}
break;
+ case BIT_FIELD_REF:
+ {
+ tree type = TREE_TYPE (e);
+
+ type = signed_or_unsigned_type_for (TYPE_UNSIGNED (type), type);
+ if (type
+ && tree_int_cst_equal (TYPE_SIZE (type), TREE_OPERAND (e, 1)))
+ {
+ HOST_WIDE_INT bitpos = tree_low_cst (TREE_OPERAND (e, 2), 0);
+ HOST_WIDE_INT size = tree_low_cst (TYPE_SIZE (type), 0);
+ if ((bitpos % size) == 0)
+ {
+ pp_c_left_paren (pp);
+ pp_c_left_paren (pp);
+ pp_type_id (pp, type);
+ pp_c_star (pp);
+ pp_c_right_paren (pp);
+ pp_c_ampersand (pp);
+ pp_expression (pp, TREE_OPERAND (e, 0));
+ pp_c_right_paren (pp);
+ pp_c_left_bracket (pp);
+ pp_wide_integer (pp, bitpos / size);
+ pp_c_right_bracket (pp);
+ break;
+ }
+ }
+ pp_unsupported_tree (pp, e);
+ }
+ break;
+
case COMPLEX_CST:
case VECTOR_CST:
- case COMPLEX_EXPR:
pp_c_compound_literal (pp, e);
break;
+ case COMPLEX_EXPR:
+ pp_c_complex_expr (pp, e);
+ break;
+
case COMPOUND_LITERAL_EXPR:
e = DECL_INITIAL (COMPOUND_LITERAL_EXPR_DECL (e));
/* Fall through. */
{
case FLOAT_EXPR:
case FIX_TRUNC_EXPR:
- case CONVERT_EXPR:
- case NOP_EXPR:
+ CASE_CONVERT:
+ case VIEW_CONVERT_EXPR:
pp_c_type_cast (pp, TREE_TYPE (e));
pp_c_cast_expression (pp, TREE_OPERAND (e, 0));
break;
pp_c_assignment_expression (c_pretty_printer *pp, tree e)
{
if (TREE_CODE (e) == MODIFY_EXPR
- || TREE_CODE (e) == GIMPLE_MODIFY_STMT
|| TREE_CODE (e) == INIT_EXPR)
{
- pp_c_unary_expression (pp, GENERIC_TREE_OPERAND (e, 0));
+ pp_c_unary_expression (pp, TREE_OPERAND (e, 0));
pp_c_whitespace (pp);
pp_equal (pp);
pp_space (pp);
- pp_c_expression (pp, GENERIC_TREE_OPERAND (e, 1));
+ pp_c_expression (pp, TREE_OPERAND (e, 1));
}
else
pp_c_conditional_expression (pp, e);
case ARRAY_REF:
case CALL_EXPR:
case COMPONENT_REF:
+ case BIT_FIELD_REF:
case COMPLEX_CST:
case COMPLEX_EXPR:
case VECTOR_CST:
case FLOAT_EXPR:
case FIX_TRUNC_EXPR:
- case CONVERT_EXPR:
- case NOP_EXPR:
+ CASE_CONVERT:
+ case VIEW_CONVERT_EXPR:
pp_c_cast_expression (pp, e);
break;
break;
case MODIFY_EXPR:
- case GIMPLE_MODIFY_STMT:
case INIT_EXPR:
pp_assignment_expression (pp, e);
break;
pp_postfix_expression (pp, TREE_OPERAND (e, 1));
break;
+ case BIND_EXPR:
+ case GOTO_EXPR:
+ /* We don't yet have a way of dumping statements in a
+ human-readable format. */
+ pp_string (pp, "({...})");
+ break;
+
default:
pp_unsupported_tree (pp, e);
break;
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