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
|
package binary
import (
"bytes"
"fmt"
"github.com/tetratelabs/wazero/internal/leb128"
"github.com/tetratelabs/wazero/internal/wasm"
)
func decodeExport(r *bytes.Reader, ret *wasm.Export) (err error) {
if ret.Name, _, err = decodeUTF8(r, "export name"); err != nil {
return
}
b, err := r.ReadByte()
if err != nil {
err = fmt.Errorf("error decoding export kind: %w", err)
return
}
ret.Type = b
switch ret.Type {
case wasm.ExternTypeFunc, wasm.ExternTypeTable, wasm.ExternTypeMemory, wasm.ExternTypeGlobal:
if ret.Index, _, err = leb128.DecodeUint32(r); err != nil {
err = fmt.Errorf("error decoding export index: %w", err)
}
default:
err = fmt.Errorf("%w: invalid byte for exportdesc: %#x", ErrInvalidByte, b)
}
return
}
|
