blob: 06165b6b5ee50452c539a861fb59e3d8f5b3d6dc (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vector>
#include "value.h"
namespace vespalib {
class Stash;
namespace eval {
/**
* Interface used to lazy-resolve parameters.
**/
struct LazyParams {
// used by compiled code to resolve lazy double-only parameters
using resolve_function = double (*)(void *ctx, size_t idx);
virtual const Value &resolve(size_t idx, Stash &stash) const = 0;
virtual ~LazyParams();
};
/**
* Simple wrapper for object parameters that are known up
* front. Intended for convenience (testing), not performance.
**/
struct SimpleObjectParams : LazyParams {
std::vector<Value::CREF> params;
explicit SimpleObjectParams(const std::vector<Value::CREF> ¶ms_in)
: params(params_in) {}
~SimpleObjectParams();
const Value &resolve(size_t idx, Stash &stash) const override;
};
/**
* Simple wrapper for number-only parameters that are known up
* front. Intended for convenience (testing), not performance.
**/
struct SimpleParams : LazyParams {
std::vector<double> params;
explicit SimpleParams(const std::vector<double> ¶ms_in)
: params(params_in) {}
~SimpleParams();
const Value &resolve(size_t idx, Stash &stash) const override;
};
/**
* Simple wrapper for cases where you have no parameters.
**/
struct NoParams : LazyParams {
static NoParams params;
const Value &resolve(size_t, Stash &) const override {
abort();
}
};
} // namespace vespalib::eval
} // namespace vespalib
|
