115 lines
4.6 KiB
C++
115 lines
4.6 KiB
C++
/*
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Copyright (c) 2013 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 "lean_elaborator_exception.h"
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#include "lean_elaborator.h"
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namespace lean {
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format pp_elaborator_state(formatter fmt, elaborator const & elb, options const & opts) {
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unsigned indent = get_pp_indent(opts);
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format r;
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if (elb.has_constraints()) {
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format elb_fmt = elb.pp(fmt, opts);
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r += compose(line(), format("Elaborator state"));
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r += nest(indent, compose(line(), elb_fmt));
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}
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return r;
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}
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format pp(formatter fmt, context const & ctx, std::vector<expr> const & exprs, std::vector<expr> const & types, options const & opts) {
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unsigned indent = get_pp_indent(opts);
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lean_assert(exprs.size() == types.size());
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auto it1 = exprs.begin();
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auto it2 = types.begin();
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format r;
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for (; it1 != exprs.end(); ++it1, ++it2) {
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r += nest(indent, compose(line(), group(format{fmt(ctx, *it1, false, opts), space(), colon(),
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nest(indent, format{line(), fmt(ctx, *it2, false, opts)})})));
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}
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return r;
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}
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format elaborator_exception::pp(formatter const & fmt, options const & opts) const {
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unsigned indent = get_pp_indent(opts);
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format expr_fmt = fmt(get_context(), get_expr(), false, opts);
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format r;
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r += format{format(what()), space(), format("at term")};
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r += nest(indent, compose(line(), expr_fmt));
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r += pp_elaborator_state(fmt, get_elaborator(), opts);
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return r;
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}
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format overload_exception::pp(formatter const & fmt, options const & opts) const {
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context const & ctx = get_context();
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format r;
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r += format{format(what()), line(), format("Candidates:")};
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r += ::lean::pp(fmt, ctx, get_fs(), get_f_types(), opts);
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r += format{line(), format("Arguments:")};
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r += ::lean::pp(fmt, ctx, get_args(), get_arg_types(), opts);
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return r;
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}
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format unification_app_mismatch_exception::pp(formatter const & fmt, options const & opts) const {
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unsigned indent = get_pp_indent(opts);
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auto const & ctx = get_context();
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expr const & app = get_expr();
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auto args_it = get_args().begin();
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auto args_end = get_args().end();
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auto types_it = get_types().begin();
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format app_fmt = fmt(ctx, app, false, opts);
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format r = format{format(what()), nest(indent, compose(line(), app_fmt))};
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format fun_type_fmt = fmt(ctx, *types_it, false, opts);
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r += compose(line(), format("Function type:"));
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r += nest(indent, compose(line(), fun_type_fmt));
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++args_it;
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++types_it;
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if (get_args().size() > 2)
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r += compose(line(), format("Arguments types:"));
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else
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r += compose(line(), format("Argument type:"));
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for (; args_it != args_end; ++args_it, ++types_it) {
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format arg_fmt = fmt(ctx, *args_it, false, opts);
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format type_fmt = fmt(ctx, *types_it, false, opts);
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r += nest(indent, compose(line(), group(format{arg_fmt, space(), colon(), nest(indent, format{line(), type_fmt})})));
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}
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r += pp_elaborator_state(fmt, get_elaborator(), opts);
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return r;
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}
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format unification_type_mismatch_exception::pp(formatter const & fmt, options const & opts) const {
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unsigned indent = get_pp_indent(opts);
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auto const & ctx = get_context();
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expr const & e = get_expr();
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expr const & p = get_processed_expr();
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expr const & exp = get_expected_type();
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expr const & given = get_given_type();
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format r = format{format(what()), nest(indent, compose(line(), fmt(ctx, e, false, opts)))};
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if (p != e) {
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r += compose(line(), format("Term after elaboration:"));
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r += nest(indent, compose(line(), fmt(ctx, p, false, opts)));
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}
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r += compose(line(), format("Expected type:"));
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r += nest(indent, compose(line(), fmt(ctx, exp, false, opts)));
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if (given) {
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r += compose(line(), format("Got:"));
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r += nest(indent, compose(line(), fmt(ctx, given, false, opts)));
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}
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r += pp_elaborator_state(fmt, get_elaborator(), opts);
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return r;
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}
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regular const & operator<<(regular const & out, elaborator_exception const & ex) {
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options const & opts = out.m_state.get_options();
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out.m_state.get_regular_channel().get_stream() << mk_pair(ex.pp(out.m_state.get_formatter(), opts), opts);
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return out;
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}
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diagnostic const & operator<<(diagnostic const & out, elaborator_exception const & ex) {
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options const & opts = out.m_state.get_options();
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out.m_state.get_diagnostic_channel().get_stream() << mk_pair(ex.pp(out.m_state.get_formatter(), opts), opts);
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return out;
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}
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}
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