void genrtl_if_stmt (tree t) { tree cond; genrtl_do_pushlevel (); cond = expand_cond (IF_COND (t)); emit_line_note (input_location); expand_start_cond (cond, 0); if (THEN_CLAUSE (t)) { tree nextt = THEN_CLAUSE (t); if (cond && integer_zerop (cond)) nextt = expand_unreachable_stmt (nextt, warn_notreached); expand_stmt (nextt); } if (ELSE_CLAUSE (t)) { tree nextt = ELSE_CLAUSE (t); expand_start_else (); if (cond && integer_nonzerop (cond)) nextt = expand_unreachable_stmt (nextt, warn_notreached); expand_stmt (nextt); } expand_end_cond (); }
static void genericize_if_stmt (tree *stmt_p) { tree stmt, cond, then_, else_; location_t locus = EXPR_LOCATION (*stmt_p); stmt = *stmt_p; cond = IF_COND (stmt); then_ = THEN_CLAUSE (stmt); else_ = ELSE_CLAUSE (stmt); if (!then_) then_ = build_empty_stmt (); if (!else_) else_ = build_empty_stmt (); if (integer_nonzerop (cond) && !TREE_SIDE_EFFECTS (else_)) stmt = then_; else if (integer_zerop (cond) && !TREE_SIDE_EFFECTS (then_)) stmt = else_; else stmt = build3 (COND_EXPR, void_type_node, cond, then_, else_); if (CAN_HAVE_LOCATION_P (stmt) && !EXPR_HAS_LOCATION (stmt)) SET_EXPR_LOCATION (stmt, locus); *stmt_p = stmt; }
static void gimplify_if_stmt (tree *stmt_p) { tree stmt, cond, then_, else_; stmt = *stmt_p; cond = IF_COND (stmt); then_ = THEN_CLAUSE (stmt); else_ = ELSE_CLAUSE (stmt); if (!then_) then_ = build_empty_stmt (); if (!else_) else_ = build_empty_stmt (); if (integer_nonzerop (cond) && !TREE_SIDE_EFFECTS (else_)) stmt = then_; else if (integer_zerop (cond) && !TREE_SIDE_EFFECTS (then_)) stmt = else_; else stmt = build3 (COND_EXPR, void_type_node, cond, then_, else_); *stmt_p = stmt; }
static tree cp_expand_cond_array_notations (tree orig_stmt) { vec<tree, va_gc> *array_list = NULL, *array_operand = NULL; size_t list_size = 0; size_t rank = 0, ii = 0; tree an_init, body, stmt = NULL_TREE; tree builtin_loop, new_var = NULL_TREE; tree loop_with_init = alloc_stmt_list (); location_t location = UNKNOWN_LOCATION; vec<vec<an_parts> > an_info = vNULL; auto_vec<an_loop_parts> an_loop_info; if (TREE_CODE (orig_stmt) == COND_EXPR) { size_t cond_rank = 0, yes_rank = 0, no_rank = 0; tree yes_expr = COND_EXPR_THEN (orig_stmt); tree no_expr = COND_EXPR_ELSE (orig_stmt); tree cond = COND_EXPR_COND (orig_stmt); if (!find_rank (EXPR_LOCATION (cond), cond, cond, true, &cond_rank) || !find_rank (EXPR_LOCATION (yes_expr), yes_expr, yes_expr, true, &yes_rank) || find_rank (EXPR_LOCATION (no_expr), no_expr, no_expr, true, &no_rank)) return error_mark_node; /* If the condition has a zero rank, then handle array notations in body separately. */ if (cond_rank == 0) return orig_stmt; if (cond_rank != yes_rank && yes_rank != 0) { error_at (EXPR_LOCATION (yes_expr), "rank mismatch with controlling" " expression of parent if-statement"); return error_mark_node; } else if (cond_rank != no_rank && no_rank != 0) { error_at (EXPR_LOCATION (no_expr), "rank mismatch with controlling " "expression of parent if-statement"); return error_mark_node; } } else if (TREE_CODE (orig_stmt) == IF_STMT) { size_t cond_rank = 0, yes_rank = 0, no_rank = 0; tree yes_expr = THEN_CLAUSE (orig_stmt); tree no_expr = ELSE_CLAUSE (orig_stmt); tree cond = IF_COND (orig_stmt); if (!find_rank (EXPR_LOCATION (cond), cond, cond, true, &cond_rank) || (yes_expr && !find_rank (EXPR_LOCATION (yes_expr), yes_expr, yes_expr, true, &yes_rank)) || (no_expr && !find_rank (EXPR_LOCATION (no_expr), no_expr, no_expr, true, &no_rank))) return error_mark_node; /* Same reasoning as for COND_EXPR. */ if (cond_rank == 0) return orig_stmt; else if (cond_rank != yes_rank && yes_rank != 0) { error_at (EXPR_LOCATION (yes_expr), "rank mismatch with controlling" " expression of parent if-statement"); return error_mark_node; } else if (cond_rank != no_rank && no_rank != 0) { error_at (EXPR_LOCATION (no_expr), "rank mismatch with controlling " "expression of parent if-statement"); return error_mark_node; } } else if (truth_value_p (TREE_CODE (orig_stmt))) { size_t left_rank = 0, right_rank = 0; tree left_expr = TREE_OPERAND (orig_stmt, 0); tree right_expr = TREE_OPERAND (orig_stmt, 1); if (!find_rank (EXPR_LOCATION (left_expr), left_expr, left_expr, true, &left_rank) || !find_rank (EXPR_LOCATION (right_expr), right_expr, right_expr, true, &right_rank)) return error_mark_node; if (right_rank == 0 && left_rank == 0) return orig_stmt; } if (!find_rank (EXPR_LOCATION (orig_stmt), orig_stmt, orig_stmt, true, &rank)) return error_mark_node; if (rank == 0) return orig_stmt; extract_array_notation_exprs (orig_stmt, false, &array_list); stmt = alloc_stmt_list (); for (ii = 0; ii < vec_safe_length (array_list); ii++) { tree array_node = (*array_list)[ii]; if (TREE_CODE (array_node) == CALL_EXPR || TREE_CODE (array_node) == AGGR_INIT_EXPR) { builtin_loop = expand_sec_reduce_builtin (array_node, &new_var); if (builtin_loop == error_mark_node) finish_expr_stmt (error_mark_node); else if (new_var) { vec<tree, va_gc> *sub_list = NULL, *new_var_list = NULL; vec_safe_push (sub_list, array_node); vec_safe_push (new_var_list, new_var); replace_array_notations (&orig_stmt, false, sub_list, new_var_list); append_to_statement_list (builtin_loop, &stmt); } } } append_to_statement_list (orig_stmt, &stmt); rank = 0; array_list = NULL; if (!find_rank (EXPR_LOCATION (stmt), stmt, stmt, true, &rank)) return error_mark_node; if (rank == 0) return stmt; extract_array_notation_exprs (stmt, true, &array_list); list_size = vec_safe_length (array_list); if (list_size == 0) return stmt; location = EXPR_LOCATION (orig_stmt); list_size = vec_safe_length (array_list); an_loop_info.safe_grow_cleared (rank); an_init = push_stmt_list (); /* Assign the array notation components to variable so that they can satisfy the exec-once rule. */ for (ii = 0; ii < list_size; ii++) { tree anode = (*array_list)[ii]; make_triplet_val_inv (&ARRAY_NOTATION_START (anode)); make_triplet_val_inv (&ARRAY_NOTATION_LENGTH (anode)); make_triplet_val_inv (&ARRAY_NOTATION_STRIDE (anode)); } cilkplus_extract_an_triplets (array_list, list_size, rank, &an_info); for (ii = 0; ii < rank; ii++) { tree typ = ptrdiff_type_node; an_loop_info[ii].var = create_temporary_var (typ); add_decl_expr (an_loop_info[ii].var); an_loop_info[ii].ind_init = build_x_modify_expr (location, an_loop_info[ii].var, INIT_EXPR, build_zero_cst (typ), tf_warning_or_error); } array_operand = create_array_refs (location, an_info, an_loop_info, list_size, rank); replace_array_notations (&stmt, true, array_list, array_operand); create_cmp_incr (location, &an_loop_info, rank, an_info, tf_warning_or_error); an_init = pop_stmt_list (an_init); append_to_statement_list (an_init, &loop_with_init); body = stmt; for (ii = 0; ii < rank; ii++) { tree new_loop = push_stmt_list (); create_an_loop (an_loop_info[ii].ind_init, an_loop_info[ii].cmp, an_loop_info[ii].incr, body); body = pop_stmt_list (new_loop); } append_to_statement_list (body, &loop_with_init); release_vec_vec (an_info); return loop_with_init; }
tree expand_array_notation_exprs (tree t) { enum tree_code code; bool is_expr; location_t loc = UNKNOWN_LOCATION; if (!t) return t; loc = EXPR_LOCATION (t); code = TREE_CODE (t); is_expr = IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (code)); switch (code) { case ERROR_MARK: case IDENTIFIER_NODE: case VOID_CST: case INTEGER_CST: case REAL_CST: case FIXED_CST: case STRING_CST: case BLOCK: case PLACEHOLDER_EXPR: case FIELD_DECL: case VOID_TYPE: case REAL_TYPE: case SSA_NAME: case LABEL_DECL: case RESULT_DECL: case VAR_DECL: case PARM_DECL: case NON_LVALUE_EXPR: case NOP_EXPR: case ADDR_EXPR: case ARRAY_REF: case BIT_FIELD_REF: case VECTOR_CST: case COMPLEX_CST: return t; case INIT_EXPR: case MODIFY_EXPR: if (contains_array_notation_expr (t)) t = expand_an_in_modify_expr (loc, TREE_OPERAND (t, 0), NOP_EXPR, TREE_OPERAND (t, 1), tf_warning_or_error); return t; case MODOP_EXPR: if (contains_array_notation_expr (t) && !processing_template_decl) t = expand_an_in_modify_expr (loc, TREE_OPERAND (t, 0), TREE_CODE (TREE_OPERAND (t, 1)), TREE_OPERAND (t, 2), tf_warning_or_error); return t; case CONSTRUCTOR: return t; case BIND_EXPR: { BIND_EXPR_BODY (t) = expand_array_notation_exprs (BIND_EXPR_BODY (t)); return t; } case DECL_EXPR: if (contains_array_notation_expr (t)) { tree x = DECL_EXPR_DECL (t); if (DECL_INITIAL (x)) { location_t loc = DECL_SOURCE_LOCATION (x); tree lhs = x; tree rhs = DECL_INITIAL (x); DECL_INITIAL (x) = NULL; tree new_modify_expr = build_modify_expr (loc, lhs, TREE_TYPE (lhs), NOP_EXPR, loc, rhs, TREE_TYPE(rhs)); t = expand_array_notation_exprs (new_modify_expr); } } return t; case STATEMENT_LIST: { tree_stmt_iterator i; for (i = tsi_start (t); !tsi_end_p (i); tsi_next (&i)) *tsi_stmt_ptr (i) = expand_array_notation_exprs (*tsi_stmt_ptr (i)); return t; } case OMP_PARALLEL: case OMP_TASK: case OMP_FOR: case OMP_SINGLE: case OMP_SECTION: case OMP_SECTIONS: case OMP_MASTER: case OMP_TASKGROUP: case OMP_ORDERED: case OMP_CRITICAL: case OMP_ATOMIC: case OMP_CLAUSE: case TARGET_EXPR: case INTEGER_TYPE: case ENUMERAL_TYPE: case BOOLEAN_TYPE: case POINTER_TYPE: case ARRAY_TYPE: case RECORD_TYPE: case METHOD_TYPE: return t; case RETURN_EXPR: if (contains_array_notation_expr (t)) t = expand_return_expr (t); return t; case PREDECREMENT_EXPR: case PREINCREMENT_EXPR: case POSTDECREMENT_EXPR: case POSTINCREMENT_EXPR: case AGGR_INIT_EXPR: case CALL_EXPR: t = expand_unary_array_notation_exprs (t); return t; case CONVERT_EXPR: case CLEANUP_POINT_EXPR: case EXPR_STMT: TREE_OPERAND (t, 0) = expand_array_notation_exprs (TREE_OPERAND (t, 0)); /* It is not necessary to wrap error_mark_node in EXPR_STMT. */ if (TREE_OPERAND (t, 0) == error_mark_node) return TREE_OPERAND (t, 0); return t; case TRUTH_ANDIF_EXPR: case TRUTH_ORIF_EXPR: case TRUTH_AND_EXPR: case TRUTH_OR_EXPR: case TRUTH_XOR_EXPR: case TRUTH_NOT_EXPR: case COND_EXPR: t = cp_expand_cond_array_notations (t); if (TREE_CODE (t) == COND_EXPR) { COND_EXPR_THEN (t) = expand_array_notation_exprs (COND_EXPR_THEN (t)); COND_EXPR_ELSE (t) = expand_array_notation_exprs (COND_EXPR_ELSE (t)); } return t; case FOR_STMT: if (contains_array_notation_expr (FOR_COND (t))) { error_at (EXPR_LOCATION (FOR_COND (t)), "array notation cannot be used in a condition for " "a for-loop"); return error_mark_node; } /* FIXME: Add a check for CILK_FOR_STMT here when we add Cilk tasking keywords. */ if (TREE_CODE (t) == FOR_STMT) { FOR_BODY (t) = expand_array_notation_exprs (FOR_BODY (t)); FOR_EXPR (t) = expand_array_notation_exprs (FOR_EXPR (t)); } else t = expand_array_notation_exprs (t); return t; case IF_STMT: t = cp_expand_cond_array_notations (t); /* If the above function added some extra instructions above the original if statement, then we can't assume it is still IF_STMT so we have to check again. */ if (TREE_CODE (t) == IF_STMT) { if (THEN_CLAUSE (t)) THEN_CLAUSE (t) = expand_array_notation_exprs (THEN_CLAUSE (t)); if (ELSE_CLAUSE (t)) ELSE_CLAUSE (t) = expand_array_notation_exprs (ELSE_CLAUSE (t)); } else t = expand_array_notation_exprs (t); return t; case SWITCH_STMT: if (contains_array_notation_expr (SWITCH_STMT_COND (t))) { error_at (EXPR_LOCATION (SWITCH_STMT_COND (t)), "array notation cannot be used as a condition for " "switch statement"); return error_mark_node; } if (SWITCH_STMT_BODY (t)) SWITCH_STMT_BODY (t) = expand_array_notation_exprs (SWITCH_STMT_BODY (t)); return t; case WHILE_STMT: if (contains_array_notation_expr (WHILE_COND (t))) { if (EXPR_LOCATION (WHILE_COND (t)) != UNKNOWN_LOCATION) loc = EXPR_LOCATION (WHILE_COND (t)); error_at (loc, "array notation cannot be used as a condition for " "while statement"); return error_mark_node; } if (WHILE_BODY (t)) WHILE_BODY (t) = expand_array_notation_exprs (WHILE_BODY (t)); return t; case DO_STMT: if (contains_array_notation_expr (DO_COND (t))) { error_at (EXPR_LOCATION (DO_COND (t)), "array notation cannot be used as a condition for a " "do-while statement"); return error_mark_node; } if (DO_BODY (t)) DO_BODY (t) = expand_array_notation_exprs (DO_BODY (t)); return t; default: if (is_expr) { int i, len; /* Walk over all the sub-trees of this operand. */ len = TREE_CODE_LENGTH (code); /* Go through the subtrees. We need to do this in forward order so that the scope of a FOR_EXPR is handled properly. */ for (i = 0; i < len; ++i) TREE_OPERAND (t, i) = expand_array_notation_exprs (TREE_OPERAND (t, i)); } return t; } return 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 (di, language_to_string (DECL_LANGUAGE (t))); } switch (code) { case IDENTIFIER_NODE: if (IDENTIFIER_OPNAME_P (t)) { dump_string (di, "operator"); return true; } else if (IDENTIFIER_TYPENAME_P (t)) { dump_child ("tynm", TREE_TYPE (t)); return true; } break; case OFFSET_TYPE: dump_string (di, "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 (di, "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 (! IS_AGGR_TYPE (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 (di, "virtual"); dump_access (di, base_binfo); } } break; case FIELD_DECL: dump_access (di, t); if (DECL_MUTABLE_P (t)) dump_string(di, "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 (di, "static"); break; case FUNCTION_DECL: if (!DECL_THUNK_P (t)) { if (DECL_OVERLOADED_OPERATOR_P (t)) { dump_string (di, "operator"); dump_op (di, t); } if (DECL_FUNCTION_MEMBER_P (t)) { dump_string (di, "member"); dump_access (di, t); } if (DECL_PURE_VIRTUAL_P (t)) dump_string (di, "pure"); if (DECL_VIRTUAL_P (t)) dump_string (di, "virtual"); if (DECL_CONSTRUCTOR_P (t)) dump_string (di, "constructor"); if (DECL_DESTRUCTOR_P (t)) dump_string (di, "destructor"); if (DECL_CONV_FN_P (t)) dump_string (di, "conversion"); if (DECL_GLOBAL_CTOR_P (t)) dump_string (di, "global init"); if (DECL_GLOBAL_DTOR_P (t)) dump_string (di, "global fini"); if (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t)) dump_string (di, "pseudo tmpl"); } else { tree virt = THUNK_VIRTUAL_OFFSET (t); dump_string (di, "thunk"); if (DECL_THIS_THUNK_P (t)) dump_string (di, "this adjusting"); else { dump_string (di, "result adjusting"); if (virt) virt = BINFO_VPTR_FIELD (virt); } dump_int (di, "fixd", THUNK_FIXED_OFFSET (t)); if (virt) dump_int (di, "virt", tree_low_cst (virt, 0)); 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 (di, "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: dump_int (di, "ctor", AGGR_INIT_VIA_CTOR_P (t)); dump_child ("fn", TREE_OPERAND (t, 0)); dump_child ("args", TREE_OPERAND (t, 1)); dump_child ("decl", TREE_OPERAND (t, 2)); 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)); 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; default: break; } return c_dump_tree (di, t); }
static void pp_cxx_statement (cxx_pretty_printer *pp, tree t) { switch (TREE_CODE (t)) { case CTOR_INITIALIZER: pp_cxx_ctor_initializer (pp, t); break; case USING_STMT: pp_cxx_identifier (pp, "using"); pp_cxx_identifier (pp, "namespace"); if (DECL_CONTEXT (t)) pp_cxx_nested_name_specifier (pp, DECL_CONTEXT (t)); pp_cxx_qualified_id (pp, USING_STMT_NAMESPACE (t)); break; case USING_DECL: pp_cxx_identifier (pp, "using"); pp_cxx_nested_name_specifier (pp, USING_DECL_SCOPE (t)); pp_cxx_unqualified_id (pp, DECL_NAME (t)); break; case EH_SPEC_BLOCK: break; /* try-block: try compound-statement handler-seq */ case TRY_BLOCK: pp_maybe_newline_and_indent (pp, 0); pp_cxx_identifier (pp, "try"); pp_newline_and_indent (pp, 3); pp_cxx_statement (pp, TRY_STMTS (t)); pp_newline_and_indent (pp, -3); if (CLEANUP_P (t)) ; else pp_cxx_statement (pp, TRY_HANDLERS (t)); break; /* handler-seq: handler handler-seq(opt) handler: catch ( exception-declaration ) compound-statement exception-declaration: type-specifier-seq declarator type-specifier-seq abstract-declarator ... */ case HANDLER: pp_cxx_identifier (pp, "catch"); pp_cxx_left_paren (pp); pp_cxx_exception_declaration (pp, HANDLER_PARMS (t)); pp_cxx_right_paren (pp); pp_indentation (pp) += 3; pp_needs_newline (pp) = true; pp_cxx_statement (pp, HANDLER_BODY (t)); pp_indentation (pp) -= 3; pp_needs_newline (pp) = true; break; /* selection-statement: if ( expression ) statement if ( expression ) statement else statement */ case IF_STMT: pp_cxx_identifier (pp, "if"); pp_cxx_whitespace (pp); pp_cxx_left_paren (pp); pp_cxx_expression (pp, IF_COND (t)); pp_cxx_right_paren (pp); pp_newline_and_indent (pp, 2); pp_cxx_statement (pp, THEN_CLAUSE (t)); pp_newline_and_indent (pp, -2); if (ELSE_CLAUSE (t)) { tree else_clause = ELSE_CLAUSE (t); pp_cxx_identifier (pp, "else"); if (TREE_CODE (else_clause) == IF_STMT) pp_cxx_whitespace (pp); else pp_newline_and_indent (pp, 2); pp_cxx_statement (pp, else_clause); if (TREE_CODE (else_clause) != IF_STMT) pp_newline_and_indent (pp, -2); } break; case SWITCH_STMT: pp_cxx_identifier (pp, "switch"); pp_space (pp); pp_cxx_left_paren (pp); pp_cxx_expression (pp, SWITCH_STMT_COND (t)); pp_cxx_right_paren (pp); pp_indentation (pp) += 3; pp_needs_newline (pp) = true; pp_cxx_statement (pp, SWITCH_STMT_BODY (t)); pp_newline_and_indent (pp, -3); break; /* iteration-statement: while ( expression ) statement do statement while ( expression ) ; for ( expression(opt) ; expression(opt) ; expression(opt) ) statement for ( declaration expression(opt) ; expression(opt) ) statement */ case WHILE_STMT: pp_cxx_identifier (pp, "while"); pp_space (pp); pp_cxx_left_paren (pp); pp_cxx_expression (pp, WHILE_COND (t)); pp_cxx_right_paren (pp); pp_newline_and_indent (pp, 3); pp_cxx_statement (pp, WHILE_BODY (t)); pp_indentation (pp) -= 3; pp_needs_newline (pp) = true; break; case DO_STMT: pp_cxx_identifier (pp, "do"); pp_newline_and_indent (pp, 3); pp_cxx_statement (pp, DO_BODY (t)); pp_newline_and_indent (pp, -3); pp_cxx_identifier (pp, "while"); pp_space (pp); pp_cxx_left_paren (pp); pp_cxx_expression (pp, DO_COND (t)); pp_cxx_right_paren (pp); pp_cxx_semicolon (pp); pp_needs_newline (pp) = true; break; case FOR_STMT: pp_cxx_identifier (pp, "for"); pp_space (pp); pp_cxx_left_paren (pp); if (FOR_INIT_STMT (t)) pp_cxx_statement (pp, FOR_INIT_STMT (t)); else pp_cxx_semicolon (pp); pp_needs_newline (pp) = false; pp_cxx_whitespace (pp); if (FOR_COND (t)) pp_cxx_expression (pp, FOR_COND (t)); pp_cxx_semicolon (pp); pp_needs_newline (pp) = false; pp_cxx_whitespace (pp); if (FOR_EXPR (t)) pp_cxx_expression (pp, FOR_EXPR (t)); pp_cxx_right_paren (pp); pp_newline_and_indent (pp, 3); pp_cxx_statement (pp, FOR_BODY (t)); pp_indentation (pp) -= 3; pp_needs_newline (pp) = true; break; /* jump-statement: goto identifier; continue ; return expression(opt) ; */ case BREAK_STMT: case CONTINUE_STMT: pp_identifier (pp, TREE_CODE (t) == BREAK_STMT ? "break" : "continue"); pp_cxx_semicolon (pp); pp_needs_newline (pp) = true; break; /* expression-statement: expression(opt) ; */ case EXPR_STMT: pp_cxx_expression (pp, EXPR_STMT_EXPR (t)); pp_cxx_semicolon (pp); pp_needs_newline (pp) = true; break; case CLEANUP_STMT: pp_cxx_identifier (pp, "try"); pp_newline_and_indent (pp, 2); pp_cxx_statement (pp, CLEANUP_BODY (t)); pp_newline_and_indent (pp, -2); pp_cxx_identifier (pp, CLEANUP_EH_ONLY (t) ? "catch" : "finally"); pp_newline_and_indent (pp, 2); pp_cxx_statement (pp, CLEANUP_EXPR (t)); pp_newline_and_indent (pp, -2); break; default: pp_c_statement (pp_c_base (pp), t); break; } }