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riscv-gcc-1
Commit 8c0d1865 by Ian Lance Taylor
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Define go_unreachable to replace gcc_unreachable. 

From Evan Shaw.

From-SVN: r172882
parent 632b4f8e
Showing with 153 additions and 155 deletions
gcc/go/gofrontend/README
......@@ -24,8 +24,6 @@ Issues to be faced in this transition:
features such as %<%> for appropriate quoting.
+ Localization may be an issue.
* Use of gcc_unreachable.
This compiler works, but the code is a work in progress. Notably, the
support for garbage collection is ineffective and needs a complete
rethinking. The frontend pays little attention to its memory usage
......
gcc/go/gofrontend/dataflow.cc
......@@ -201,7 +201,7 @@ Dataflow::Compare_vars::operator()(const Named_object* no1,
// We can't have two variables with the same name in the same
// location.
gcc_unreachable();
go_unreachable();
}
// Class Dataflow.
......
gcc/go/gofrontend/expressions.h
......@@ -877,15 +877,15 @@ class Parser_expression : public Expression
void
do_determine_type(const Type_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
void
do_check_types(Gogo*)
{ gcc_unreachable(); }
{ go_unreachable(); }
tree
do_get_tree(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
};
// An expression which is simply a variable.
......
gcc/go/gofrontend/gogo-tree.cc
......@@ -972,7 +972,7 @@ Named_object::get_tree(Gogo* gogo, Named_object* function)
case NAMED_OBJECT_VAR:
case NAMED_OBJECT_RESULT_VAR:
case NAMED_OBJECT_SINK:
gcc_unreachable();
go_unreachable();
case NAMED_OBJECT_FUNC:
{
......@@ -1005,7 +1005,7 @@ Named_object::get_tree(Gogo* gogo, Named_object* function)
break;
default:
gcc_unreachable();
go_unreachable();
}
if (TREE_TYPE(decl) == error_mark_node)
......@@ -2424,7 +2424,7 @@ Gogo::interface_method_table_for_type(const Interface_type* interface,
fndecl = no->func_declaration_value()->get_or_make_decl(this, no,
fnid);
else
gcc_unreachable();
go_unreachable();
fndecl = build_fold_addr_expr(fndecl);
elt = VEC_quick_push(constructor_elt, pointers, NULL);
......
gcc/go/gofrontend/gogo.cc
......@@ -748,7 +748,7 @@ Gogo::start_function(const std::string& name, Function_type* type,
function);
}
else
gcc_unreachable();
go_unreachable();
}
this->package_->bindings()->add_method(ret);
}
......@@ -849,7 +849,7 @@ Gogo::declare_function(const std::string& name, Function_type* type,
return ftype->add_method_declaration(name, type, location);
}
else
gcc_unreachable();
go_unreachable();
}
}
......@@ -3211,7 +3211,7 @@ Block::traverse(Traverse* traverse)
case Named_object::NAMED_OBJECT_FUNC:
case Named_object::NAMED_OBJECT_FUNC_DECLARATION:
// FIXME: Where will nested functions be found?
gcc_unreachable();
go_unreachable();
case Named_object::NAMED_OBJECT_TYPE:
if ((traverse_mask & Traverse::traverse_types) != 0
......@@ -3229,10 +3229,10 @@ Block::traverse(Traverse* traverse)
case Named_object::NAMED_OBJECT_PACKAGE:
case Named_object::NAMED_OBJECT_SINK:
gcc_unreachable();
go_unreachable();
default:
gcc_unreachable();
go_unreachable();
}
}
}
......@@ -4109,7 +4109,7 @@ Named_object::location() const
{
default:
case NAMED_OBJECT_UNINITIALIZED:
gcc_unreachable();
go_unreachable();
case NAMED_OBJECT_UNKNOWN:
return this->unknown_value()->location();
......@@ -4130,7 +4130,7 @@ Named_object::location() const
return this->result_var_value()->location();
case NAMED_OBJECT_SINK:
gcc_unreachable();
go_unreachable();
case NAMED_OBJECT_FUNC:
return this->func_value()->location();
......@@ -4153,7 +4153,7 @@ Named_object::export_named_object(Export* exp) const
default:
case NAMED_OBJECT_UNINITIALIZED:
case NAMED_OBJECT_UNKNOWN:
gcc_unreachable();
go_unreachable();
case NAMED_OBJECT_CONST:
this->const_value()->export_const(exp, this->name_);
......@@ -4179,7 +4179,7 @@ Named_object::export_named_object(Export* exp) const
case NAMED_OBJECT_RESULT_VAR:
case NAMED_OBJECT_SINK:
gcc_unreachable();
go_unreachable();
case NAMED_OBJECT_FUNC:
this->func_value()->export_func(exp, this->name_);
......@@ -4199,7 +4199,7 @@ Named_object::get_backend_variable(Gogo* gogo, Named_object* function)
return this->result_var_value()->get_backend_variable(gogo, function,
this->name_);
else
gcc_unreachable();
go_unreachable();
}
// Class Bindings.
......@@ -4280,7 +4280,7 @@ Bindings::remove_binding(Named_object* no)
return;
}
}
gcc_unreachable();
go_unreachable();
}
// Add a method to the list of objects. This is not added to the
......@@ -4346,7 +4346,7 @@ Bindings::new_definition(Named_object* old_object, Named_object* new_object)
{
default:
case Named_object::NAMED_OBJECT_UNINITIALIZED:
gcc_unreachable();
go_unreachable();
case Named_object::NAMED_OBJECT_UNKNOWN:
{
......@@ -4386,7 +4386,7 @@ Bindings::new_definition(Named_object* old_object, Named_object* new_object)
break;
case Named_object::NAMED_OBJECT_SINK:
gcc_unreachable();
go_unreachable();
case Named_object::NAMED_OBJECT_FUNC:
if (new_object->is_function_declaration())
......@@ -4595,7 +4595,7 @@ Bindings::traverse(Traverse* traverse, bool is_global)
case Named_object::NAMED_OBJECT_SINK:
default:
gcc_unreachable();
go_unreachable();
}
}
......@@ -4756,41 +4756,41 @@ Traverse::remember_expression(const Expression* expression)
int
Traverse::variable(Named_object*)
{
gcc_unreachable();
go_unreachable();
}
int
Traverse::constant(Named_object*, bool)
{
gcc_unreachable();
go_unreachable();
}
int
Traverse::function(Named_object*)
{
gcc_unreachable();
go_unreachable();
}
int
Traverse::block(Block*)
{
gcc_unreachable();
go_unreachable();
}
int
Traverse::statement(Block*, size_t*, Statement*)
{
gcc_unreachable();
go_unreachable();
}
int
Traverse::expression(Expression**)
{
gcc_unreachable();
go_unreachable();
}
int
Traverse::type(Type*)
{
gcc_unreachable();
go_unreachable();
}
gcc/go/gofrontend/lex.cc
......@@ -198,7 +198,7 @@ Token::Token(const Token& tok)
mpfr_init_set(this->u_.float_value, tok.u_.float_value, GMP_RNDN);
break;
default:
gcc_unreachable();
go_unreachable();
}
}
......@@ -237,7 +237,7 @@ Token::operator=(const Token& tok)
mpfr_init_set(this->u_.float_value, tok.u_.float_value, GMP_RNDN);
break;
default:
gcc_unreachable();
go_unreachable();
}
return *this;
}
......@@ -422,11 +422,11 @@ Token::print(FILE* file) const
fprintf(file, "]");
break;
default:
gcc_unreachable();
go_unreachable();
}
break;
default:
gcc_unreachable();
go_unreachable();
}
}
......
gcc/go/gofrontend/parse.cc
......@@ -35,7 +35,7 @@ Parse::Enclosing_var_comparison::operator()(const Enclosing_var& v1,
// If we get here it means that a single nested function refers to
// two different variables defined in enclosing functions, and both
// variables have the same name. I think this is impossible.
gcc_unreachable();
go_unreachable();
}
// Class Parse.
......@@ -362,7 +362,7 @@ Parse::type_name(bool issue_error)
else if (named_object->is_unknown() || named_object->is_type_declaration())
return Type::make_forward_declaration(named_object);
else
gcc_unreachable();
go_unreachable();
}
// ArrayType = "[" [ ArrayLength ] "]" ElementType .
......@@ -2323,10 +2323,10 @@ Parse::operand(bool may_be_sink)
case Named_object::NAMED_OBJECT_UNKNOWN:
return Expression::make_unknown_reference(named_object, location);
default:
gcc_unreachable();
go_unreachable();
}
}
gcc_unreachable();
go_unreachable();
case Token::TOKEN_STRING:
ret = Expression::make_string(token->string_value(), token->location());
......@@ -3068,7 +3068,7 @@ Parse::expression_may_start_here()
case Token::TOKEN_IMAGINARY:
return true;
default:
gcc_unreachable();
go_unreachable();
}
}
......@@ -3493,7 +3493,7 @@ Parse::inc_dec_stat(Expression* exp)
else if (token->is_op(OPERATOR_MINUSMINUS))
this->gogo_->add_statement(Statement::make_dec_statement(exp));
else
gcc_unreachable();
go_unreachable();
this->advance_token();
}
......@@ -4858,7 +4858,7 @@ Parse::break_stat()
else if (enclosing->classification() == Statement::STATEMENT_SELECT)
label = enclosing->select_statement()->break_label();
else
gcc_unreachable();
go_unreachable();
this->gogo_->add_statement(Statement::make_break_statement(label,
location));
......@@ -4907,7 +4907,7 @@ Parse::continue_stat()
else if (enclosing->classification() == Statement::STATEMENT_FOR_RANGE)
label = enclosing->for_range_statement()->continue_label();
else
gcc_unreachable();
go_unreachable();
this->gogo_->add_statement(Statement::make_continue_statement(label,
location));
......
gcc/go/gofrontend/runtime.cc
......@@ -86,7 +86,7 @@ runtime_function_type(Runtime_function_type bft)
{
default:
case RFT_VOID:
gcc_unreachable();
go_unreachable();
case RFT_BOOL:
t = Type::lookup_bool_type();
......@@ -193,7 +193,7 @@ convert_to_runtime_function_type(Runtime_function_type bft, Expression* e,
{
default:
case RFT_VOID:
gcc_unreachable();
go_unreachable();
case RFT_BOOL:
case RFT_BOOLPTR:
......
gcc/go/gofrontend/statements.cc
......@@ -177,7 +177,7 @@ class Error_statement : public Statement
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
};
// Make an error statement.
......@@ -595,14 +595,14 @@ class Assignment_operation_statement : public Statement
bool
do_traverse_assignments(Traverse_assignments*)
{ gcc_unreachable(); }
{ go_unreachable(); }
Statement*
do_lower(Gogo*, Named_object*, Block*);
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
private:
// The operator (OPERATOR_PLUSEQ, etc.).
......@@ -677,7 +677,7 @@ Assignment_operation_statement::do_lower(Gogo*, Named_object*,
op = OPERATOR_BITCLEAR;
break;
default:
gcc_unreachable();
go_unreachable();
}
Expression* binop = Expression::make_binary(op, lval, this->rhs_, loc);
......@@ -722,14 +722,14 @@ class Tuple_assignment_statement : public Statement
bool
do_traverse_assignments(Traverse_assignments*)
{ gcc_unreachable(); }
{ go_unreachable(); }
Statement*
do_lower(Gogo*, Named_object*, Block*);
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
private:
// Left hand side--a list of lvalues.
......@@ -849,14 +849,14 @@ public:
bool
do_traverse_assignments(Traverse_assignments*)
{ gcc_unreachable(); }
{ go_unreachable(); }
Statement*
do_lower(Gogo*, Named_object*, Block*);
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
private:
// Lvalue which receives the value from the map.
......@@ -976,14 +976,14 @@ class Map_assignment_statement : public Statement
bool
do_traverse_assignments(Traverse_assignments*)
{ gcc_unreachable(); }
{ go_unreachable(); }
Statement*
do_lower(Gogo*, Named_object*, Block*);
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
private:
// A reference to the map index which should be set or deleted.
......@@ -1090,14 +1090,14 @@ class Tuple_receive_assignment_statement : public Statement
bool
do_traverse_assignments(Traverse_assignments*)
{ gcc_unreachable(); }
{ go_unreachable(); }
Statement*
do_lower(Gogo*, Named_object*, Block*);
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
private:
// Lvalue which receives the value from the channel.
......@@ -1214,14 +1214,14 @@ class Tuple_type_guard_assignment_statement : public Statement
bool
do_traverse_assignments(Traverse_assignments*)
{ gcc_unreachable(); }
{ go_unreachable(); }
Statement*
do_lower(Gogo*, Named_object*, Block*);
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
private:
Call_expression*
......@@ -1510,14 +1510,14 @@ class Inc_dec_statement : public Statement
bool
do_traverse_assignments(Traverse_assignments*)
{ gcc_unreachable(); }
{ go_unreachable(); }
Statement*
do_lower(Gogo*, Named_object*, Block*);
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
private:
// The l-value to increment or decrement.
......@@ -1830,7 +1830,7 @@ Thunk_statement::simplify_statement(Gogo* gogo, Named_object* function,
vals->push_back(first_arg);
}
else
gcc_unreachable();
go_unreachable();
if (ce->args() != NULL)
{
......@@ -1866,7 +1866,7 @@ Thunk_statement::simplify_statement(Gogo* gogo, Named_object* function,
else if (this->classification() == STATEMENT_DEFER)
s = Statement::make_defer_statement(call, location);
else
gcc_unreachable();
go_unreachable();
// The current block should end with the go statement.
go_assert(block->statements()->size() >= 1);
......@@ -2750,7 +2750,7 @@ Case_clauses::Hash_integer_value::operator()(Expression* pe) const
mpz_t ival;
mpz_init(ival);
if (!pe->integer_constant_value(true, ival, &itype))
gcc_unreachable();
go_unreachable();
size_t ret = mpz_get_ui(ival);
mpz_clear(ival);
return ret;
......@@ -2776,7 +2776,7 @@ Case_clauses::Eq_integer_value::operator()(Expression* a, Expression* b) const
mpz_init(bval);
if (!a->integer_constant_value(true, aval, &atype)
|| !b->integer_constant_value(true, bval, &btype))
gcc_unreachable();
go_unreachable();
bool ret = mpz_cmp(aval, bval) == 0;
mpz_clear(aval);
mpz_clear(bval);
......@@ -4597,7 +4597,7 @@ For_range_statement::do_lower(Gogo* gogo, Named_object*, Block* enclosing)
index_temp, value_temp, &init, &cond, &iter_init,
&post);
else
gcc_unreachable();
go_unreachable();
if (iter_init != NULL)
body->add_statement(Statement::make_block_statement(iter_init, loc));
......
gcc/go/gofrontend/statements.h
......@@ -990,14 +990,14 @@ class For_statement : public Statement
bool
do_traverse_assignments(Traverse_assignments*)
{ gcc_unreachable(); }
{ go_unreachable(); }
Statement*
do_lower(Gogo*, Named_object*, Block*);
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
private:
// The initialization statements. This may be NULL.
......@@ -1048,14 +1048,14 @@ class For_range_statement : public Statement
bool
do_traverse_assignments(Traverse_assignments*)
{ gcc_unreachable(); }
{ go_unreachable(); }
Statement*
do_lower(Gogo*, Named_object*, Block*);
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
private:
Expression*
......@@ -1284,7 +1284,7 @@ class Switch_statement : public Statement
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
private:
// The value to switch on. This may be NULL.
......@@ -1430,7 +1430,7 @@ class Type_switch_statement : public Statement
Bstatement*
do_get_backend(Translate_context*)
{ gcc_unreachable(); }
{ go_unreachable(); }
private:
// The variable holding the value we are switching on.
......
gcc/go/gofrontend/types.cc
......@@ -157,7 +157,7 @@ Type::is_basic_type() const
return this->base()->is_basic_type();
default:
gcc_unreachable();
go_unreachable();
}
}
......@@ -202,7 +202,7 @@ Type::make_non_abstract_type()
case TYPE_BOOLEAN:
return Type::lookup_bool_type();
default:
gcc_unreachable();
go_unreachable();
}
}
......@@ -407,7 +407,7 @@ Type::are_identical(const Type* t1, const Type* t2, bool errors_are_identical,
return false;
default:
gcc_unreachable();
go_unreachable();
}
}
......@@ -774,7 +774,7 @@ Type::hash_string(const std::string& s, unsigned int h)
bool
Type::do_check_make_expression(Expression_list*, source_location)
{
gcc_unreachable();
go_unreachable();
}
// Return whether an expression has an integer value. Report an error
......@@ -929,7 +929,7 @@ tree
Type::do_make_expression_tree(Translate_context*, Expression_list*,
source_location)
{
gcc_unreachable();
go_unreachable();
}
// Return a pointer to the type descriptor for this type.
......@@ -1194,10 +1194,10 @@ Type::type_functions(const char** hash_fn, const char** equal_fn) const
case Type::TYPE_NAMED:
case Type::TYPE_FORWARD:
gcc_unreachable();
go_unreachable();
default:
gcc_unreachable();
go_unreachable();
}
}
......@@ -1543,7 +1543,7 @@ Type::mangled_name(Gogo* gogo) const
void
Type::do_export(Export*) const
{
gcc_unreachable();
go_unreachable();
}
// Import a type.
......@@ -1627,11 +1627,11 @@ class Void_type : public Type
tree
do_get_init_tree(Gogo*, tree, bool)
{ gcc_unreachable(); }
{ go_unreachable(); }
Expression*
do_type_descriptor(Gogo*, Named_type*)
{ gcc_unreachable(); }
{ go_unreachable(); }
void
do_reflection(Gogo*, std::string*) const
......@@ -2363,23 +2363,23 @@ class Sink_type : public Type
protected:
tree
do_get_tree(Gogo*)
{ gcc_unreachable(); }
{ go_unreachable(); }
tree
do_get_init_tree(Gogo*, tree, bool)
{ gcc_unreachable(); }
{ go_unreachable(); }
Expression*
do_type_descriptor(Gogo*, Named_type*)
{ gcc_unreachable(); }
{ go_unreachable(); }
void
do_reflection(Gogo*, std::string*) const
{ gcc_unreachable(); }
{ go_unreachable(); }
void
do_mangled_name(Gogo*, std::string*) const
{ gcc_unreachable(); }
{ go_unreachable(); }
};
// Make the sink type.
......@@ -3298,11 +3298,11 @@ class Nil_type : public Type
Expression*
do_type_descriptor(Gogo*, Named_type*)
{ gcc_unreachable(); }
{ go_unreachable(); }
void
do_reflection(Gogo*, std::string*) const
{ gcc_unreachable(); }
{ go_unreachable(); }
void
do_mangled_name(Gogo*, std::string* ret) const
......@@ -3434,7 +3434,7 @@ Struct_field::field_name() const
else if (t->named_type() != NULL)
return t->named_type()->name();
else
gcc_unreachable();
go_unreachable();
}
}
}
......@@ -5837,7 +5837,7 @@ Interface_type::method_index(const std::string& name) const
++p, ++ret)
if (p->name() == name)
return ret;
gcc_unreachable();
go_unreachable();
}
// Return whether NAME is an unexported method, for better error
......@@ -6621,7 +6621,7 @@ Named_method::do_type() const
else if (this->named_object_->is_function_declaration())
return this->named_object_->func_declaration_value()->type();
else
gcc_unreachable();
go_unreachable();
}
// Return the location of the method receiver.
......@@ -7024,7 +7024,7 @@ Find_type_use::type(Type* type)
case Type::TYPE_NAMED:
case Type::TYPE_FORWARD:
default:
gcc_unreachable();
go_unreachable();
}
}
......@@ -7190,7 +7190,7 @@ Named_type::convert(Gogo* gogo)
case TYPE_CALL_MULTIPLE_RESULT:
case TYPE_NAMED:
case TYPE_FORWARD:
gcc_unreachable();
go_unreachable();
}
this->named_tree_ = t;
......@@ -7294,7 +7294,7 @@ Named_type::create_placeholder(Gogo* gogo)
case TYPE_CALL_MULTIPLE_RESULT:
case TYPE_NAMED:
case TYPE_FORWARD:
gcc_unreachable();
go_unreachable();
}
// Create the named type.
......@@ -7424,10 +7424,10 @@ Named_type::do_get_tree(Gogo* gogo)
case TYPE_CALL_MULTIPLE_RESULT:
case TYPE_NAMED:
case TYPE_FORWARD:
gcc_unreachable();
go_unreachable();
}
gcc_unreachable();
go_unreachable();
}
// Build a type descriptor for a named type.
......@@ -7964,7 +7964,7 @@ Type::method_expects_pointer(const Named_object* no)
else if (no->is_function_declaration())
fntype = no->func_declaration_value()->type();
else
gcc_unreachable();
go_unreachable();
return fntype->receiver()->type()->points_to() != NULL;
}
......@@ -8061,7 +8061,7 @@ Type::bind_field_or_method(Gogo* gogo, const Type* type, Expression* expr,
else if (st != NULL)
m = st->method_function(name, NULL);
else
gcc_unreachable();
go_unreachable();
go_assert(m != NULL);
if (!m->is_value_method() && expr->type()->points_to() == NULL)
expr = Expression::make_unary(OPERATOR_AND, expr, location);
......
gcc/go/gofrontend/types.h
......@@ -272,7 +272,7 @@ class Interface_method : public Method
// called, as we always create a stub.
Named_object*
do_named_object() const
{ gcc_unreachable(); }
{ go_unreachable(); }
// The type of the method.
Function_type*
......
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