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// Copyright (C) 2020-2023 Free Software Foundation, Inc.
// This file is part of GCC.
// GCC is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3, or (at your option) any later
// version.
// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include "rust-compile-base.h"
namespace Rust {
namespace Compile {
class CompilePatternCaseLabelExpr : public HIRCompileBase,
public HIR::HIRPatternVisitor
{
public:
static tree Compile (HIR::Pattern *pattern, tree associated_case_label,
Context *ctx)
{
CompilePatternCaseLabelExpr compiler (ctx, associated_case_label);
pattern->accept_vis (compiler);
return compiler.case_label_expr;
}
void visit (HIR::PathInExpression &pattern) override;
void visit (HIR::StructPattern &pattern) override;
void visit (HIR::TupleStructPattern &pattern) override;
void visit (HIR::WildcardPattern &pattern) override;
void visit (HIR::RangePattern &pattern) override;
// Empty visit for unused Pattern HIR nodes.
void visit (HIR::GroupedPattern &) override {}
void visit (HIR::IdentifierPattern &) override {}
void visit (HIR::LiteralPattern &) override;
void visit (HIR::QualifiedPathInExpression &) override {}
void visit (HIR::ReferencePattern &) override {}
void visit (HIR::SlicePattern &) override {}
void visit (HIR::TuplePattern &) override {}
CompilePatternCaseLabelExpr (Context *ctx, tree associated_case_label)
: HIRCompileBase (ctx), case_label_expr (error_mark_node),
associated_case_label (associated_case_label)
{}
tree case_label_expr;
tree associated_case_label;
};
class CompilePatternBindings : public HIRCompileBase,
public HIR::HIRPatternVisitor
{
public:
static void Compile (HIR::Pattern *pattern, tree match_scrutinee_expr,
Context *ctx)
{
CompilePatternBindings compiler (ctx, match_scrutinee_expr);
pattern->accept_vis (compiler);
}
void visit (HIR::StructPattern &pattern) override;
void visit (HIR::TupleStructPattern &pattern) override;
// Empty visit for unused Pattern HIR nodes.
void visit (HIR::GroupedPattern &) override {}
void visit (HIR::IdentifierPattern &) override {}
void visit (HIR::LiteralPattern &) override {}
void visit (HIR::PathInExpression &) override {}
void visit (HIR::QualifiedPathInExpression &) override {}
void visit (HIR::RangePattern &) override {}
void visit (HIR::ReferencePattern &) override {}
void visit (HIR::SlicePattern &) override {}
void visit (HIR::TuplePattern &) override {}
void visit (HIR::WildcardPattern &) override {}
protected:
CompilePatternBindings (Context *ctx, tree match_scrutinee_expr)
: HIRCompileBase (ctx), match_scrutinee_expr (match_scrutinee_expr)
{}
tree match_scrutinee_expr;
};
} // namespace Compile
} // namespace Rust
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