88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/*
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Copyright (c) 2015 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#include "frontends/lean/pp.h"
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#include "api/string.h"
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#include "api/exception.h"
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#include "api/ios.h"
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using namespace lean; // NOLINT
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lean_bool lean_ios_mk_std(lean_options o, lean_ios * r, lean_exception * ex) {
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LEAN_TRY;
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check_nonnull(o);
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io_state ios(mk_pretty_formatter_factory(), to_options_ref(o));
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*r = of_io_state(new io_state(ios));
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LEAN_CATCH;
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}
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lean_bool lean_ios_mk_buffered(lean_options o, lean_ios * r, lean_exception * ex) {
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LEAN_TRY;
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check_nonnull(o);
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io_state ios(mk_pretty_formatter_factory(), to_options_ref(o));
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ios.set_regular_channel(std::make_shared<string_output_channel>());
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ios.set_diagnostic_channel(std::make_shared<string_output_channel>());
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*r = of_io_state(new io_state(ios));
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LEAN_CATCH;
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}
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void lean_ios_del(lean_ios ios) {
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delete to_io_state(ios);
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}
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lean_bool lean_ios_is_std(lean_ios ios) {
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if (!ios)
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return lean_false;
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return dynamic_cast<string_output_channel*>(&to_io_state_ref(ios).get_regular_channel()) != nullptr;
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}
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lean_bool lean_ios_set_options(lean_ios ios, lean_options o, lean_exception * ex) {
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LEAN_TRY;
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check_nonnull(ios);
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check_nonnull(o);
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to_io_state(ios)->set_options(to_options_ref(o));
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LEAN_CATCH;
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}
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lean_bool lean_ios_get_options(lean_ios ios, lean_options * r, lean_exception * ex) {
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LEAN_TRY;
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check_nonnull(ios);
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*r = of_options(new options(to_io_state_ref(ios).get_options()));
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LEAN_CATCH;
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}
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static void check_nonstd(lean_ios ios) {
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check_nonnull(ios);
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if (lean_ios_is_std(ios))
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throw exception("invalid argument, buffered IO state expected");
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}
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lean_bool lean_ios_get_regular(lean_ios ios, char const ** r, lean_exception * ex) {
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LEAN_TRY;
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check_nonstd(ios);
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*r = mk_string(static_cast<string_output_channel&>(to_io_state_ref(ios).get_regular_channel()).str());
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LEAN_CATCH;
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}
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lean_bool lean_ios_get_diagnostic(lean_ios ios, char const ** r, lean_exception * ex) {
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LEAN_TRY;
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check_nonstd(ios);
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*r = mk_string(static_cast<string_output_channel&>(to_io_state_ref(ios).get_diagnostic_channel()).str());
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LEAN_CATCH;
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}
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lean_bool lean_ios_reset_regular(lean_ios ios, lean_exception * ex) {
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LEAN_TRY;
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check_nonstd(ios);
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to_io_state(ios)->set_regular_channel(std::make_shared<string_output_channel>());
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LEAN_CATCH;
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}
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lean_bool lean_ios_reset_diagnostic(lean_ios ios, lean_exception * ex) {
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LEAN_TRY;
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check_nonstd(ios);
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to_io_state(ios)->set_diagnostic_channel(std::make_shared<string_output_channel>());
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LEAN_CATCH;
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}
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