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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/>.
#ifndef RUST_COMPILE_VAR_DECL
#define RUST_COMPILE_VAR_DECL
#include "rust-compile-base.h"
#include "rust-hir-visitor.h"
namespace Rust {
namespace Compile {
class CompileVarDecl : public HIRCompileBase, public HIR::HIRPatternVisitor
{
using HIR::HIRPatternVisitor::visit;
public:
static void compile (tree fndecl, tree translated_type, HIR::Pattern *pattern,
std::vector<Bvariable *> &locals, Context *ctx)
{
CompileVarDecl compiler (ctx, fndecl, translated_type, locals);
pattern->accept_vis (compiler);
}
void visit (HIR::IdentifierPattern &pattern) override
{
if (!pattern.is_mut ())
translated_type = ctx->get_backend ()->immutable_type (translated_type);
Bvariable *var
= ctx->get_backend ()->local_variable (fndecl, pattern.get_identifier (),
translated_type, NULL /*decl_var*/,
pattern.get_locus ());
HirId stmt_id = pattern.get_pattern_mappings ().get_hirid ();
ctx->insert_var_decl (stmt_id, var);
locals.push_back (var);
}
// Empty visit for unused Pattern HIR nodes.
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::StructPattern &) override {}
void visit (HIR::TuplePattern &) override {}
void visit (HIR::TupleStructPattern &) override {}
void visit (HIR::WildcardPattern &) override {}
private:
CompileVarDecl (Context *ctx, tree fndecl, tree translated_type,
std::vector<Bvariable *> &locals)
: HIRCompileBase (ctx), fndecl (fndecl), translated_type (translated_type),
locals (locals)
{}
tree fndecl;
tree translated_type;
std::vector<Bvariable *> &locals;
};
} // namespace Compile
} // namespace Rust
#endif // RUST_COMPILE_VAR_DECL
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