e8c09015ad
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
80 lines
4 KiB
C++
80 lines
4 KiB
C++
/*
|
|
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
|
|
Released under Apache 2.0 license as described in the file LICENSE.
|
|
|
|
Author: Leonardo de Moura
|
|
*/
|
|
#include <sstream>
|
|
#include "formatter.h"
|
|
#include "printer.h"
|
|
#include "kernel_exception.h"
|
|
|
|
namespace lean {
|
|
class simple_formatter_cell : public formatter_cell {
|
|
public:
|
|
virtual format operator()(expr const & e, options const & opts) {
|
|
std::ostringstream s; s << e; return format(s.str());
|
|
}
|
|
virtual format operator()(context const & c, options const & opts) {
|
|
std::ostringstream s; s << c; return format(s.str());
|
|
}
|
|
virtual format operator()(context const & c, expr const & e, bool format_ctx, options const & opts) {
|
|
std::ostringstream s;
|
|
if (format_ctx)
|
|
s << c << "|-\n";
|
|
s << mk_pair(e,c);
|
|
return format(s.str());
|
|
}
|
|
virtual format operator()(object const & obj, options const & opts) {
|
|
std::ostringstream s; s << obj; return format(s.str());
|
|
}
|
|
virtual format operator()(environment const & env, options const & opts) {
|
|
std::ostringstream s; s << env; return format(s.str());
|
|
}
|
|
};
|
|
formatter mk_simple_formatter() {
|
|
return formatter(new simple_formatter_cell());
|
|
}
|
|
|
|
format formatter::operator()(kernel_exception const & ex, options const & opts) {
|
|
if (unknown_name_exception const * _ex = dynamic_cast<unknown_name_exception const *>(&ex)) {
|
|
return format{format("unknown object '"), format(_ex->get_name()), format("'")};
|
|
} else if (already_declared_exception const * _ex = dynamic_cast<already_declared_exception const *>(&ex)) {
|
|
return format{format("invalid object declaration, environment already has an object named '"),
|
|
format(_ex->get_name()), format("'")};
|
|
} else if (app_type_mismatch_exception const * _ex = dynamic_cast<app_type_mismatch_exception const *>(&ex)) {
|
|
unsigned indent = get_pp_indent(opts);
|
|
format app_f = operator()(_ex->get_context(), _ex->get_application(), false, opts);
|
|
format given_f = operator()(_ex->get_context(), _ex->get_given_type(), false, opts);
|
|
format expected_f = operator()(_ex->get_context(), _ex->get_expected_type(), false, opts);
|
|
unsigned arg_pos = _ex->get_arg_pos();
|
|
return format({format("type mismatch at application argument"), space(), format(arg_pos), space(), format("of"),
|
|
nest(indent, compose(line(), app_f)),
|
|
line(), format("expected type"),
|
|
nest(indent, compose(line(), expected_f)),
|
|
line(), format("given type"),
|
|
nest(indent, compose(line(), given_f))});
|
|
} else if (function_expected_exception const * _ex = dynamic_cast<function_expected_exception const *>(&ex)) {
|
|
unsigned indent = get_pp_indent(opts);
|
|
format expr_f = operator()(_ex->get_context(), _ex->get_expr(), false, opts);
|
|
return format({format("function expected at"),
|
|
nest(indent, compose(line(), expr_f))});
|
|
} else if (type_expected_exception const * _ex = dynamic_cast<type_expected_exception const *>(&ex)) {
|
|
unsigned indent = get_pp_indent(opts);
|
|
format expr_f = operator()(_ex->get_context(), _ex->get_expr(), false, opts);
|
|
return format({format("type expected, got"),
|
|
nest(indent, compose(line(), expr_f))});
|
|
} else if (def_type_mismatch_exception const * _ex = dynamic_cast<def_type_mismatch_exception const *>(&ex)) {
|
|
unsigned indent = get_pp_indent(opts);
|
|
format name_f = format(_ex->get_name());
|
|
format type_f = operator()(_ex->get_type(), opts);
|
|
format value_f = operator()(_ex->get_value_type(), opts);
|
|
return format({format("type mismatch at definition '"), name_f, format("', expected type"),
|
|
nest(indent, compose(line(), type_f)),
|
|
line(), format("given type"),
|
|
nest(indent, compose(line(), value_f))});
|
|
} else {
|
|
return format(ex.what());
|
|
}
|
|
}
|
|
}
|