58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
// Copyright (c) 2020-now by the Zeek Project. See LICENSE for details.
|
|
|
|
#pragma once
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
#include <utility>
|
|
|
|
#include <hilti/ast/declaration.h>
|
|
#include <hilti/ast/expression.h>
|
|
#include <hilti/ast/type.h>
|
|
|
|
namespace hilti::declaration {
|
|
|
|
/** AST node for a constant declaration. */
|
|
class Constant : public Declaration {
|
|
public:
|
|
auto value() const { return child<hilti::Expression>(1); }
|
|
|
|
QualifiedType* type() const {
|
|
if ( auto t = child<QualifiedType>(0) )
|
|
return t;
|
|
else
|
|
return value()->type();
|
|
}
|
|
|
|
std::string_view displayName() const final { return "constant"; }
|
|
|
|
void setValue(ASTContext* ctx, hilti::Expression* e) { setChild(ctx, 1, e); }
|
|
|
|
static auto create(ASTContext* ctx, ID id, QualifiedType* type, hilti::Expression* value,
|
|
declaration::Linkage linkage = Linkage::Private, Meta meta = {}) {
|
|
QualifiedType* t = type;
|
|
|
|
if ( t )
|
|
t = t->recreateAsConst(ctx);
|
|
|
|
return ctx->make<Constant>(ctx, {t, value}, std::move(id), linkage, std::move(meta));
|
|
}
|
|
|
|
static auto create(ASTContext* ctx, ID id, hilti::Expression* value,
|
|
declaration::Linkage linkage = Linkage::Private, Meta meta = {}) {
|
|
return create(ctx, std::move(id), {}, value, linkage, std::move(meta));
|
|
}
|
|
|
|
protected:
|
|
Constant(ASTContext* ctx, Nodes children, ID id, declaration::Linkage linkage, Meta meta)
|
|
: Declaration(ctx, NodeTags, std::move(children), std::move(id), linkage, std::move(meta)) {
|
|
assert(! child(0) || child(0)->as<QualifiedType>()->isConstant());
|
|
}
|
|
|
|
HILTI_NODE_1(declaration::Constant, Declaration, final);
|
|
};
|
|
|
|
} // namespace hilti::declaration
|