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compiler: support removing slice elements

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Go-way of removing elements from slice is via `append` builtin.
There is a separate opcode for removing elements from
Arrays, which is cheaper and supported in this commit.
This commit is contained in:
Evgenii Stratonikov 2020-09-15 10:05:41 +03:00
parent 78948ef7af
commit bcc11cbd74
4 changed files with 36 additions and 1 deletions
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24
pkg/compiler/slice_test.go
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@ -327,6 +327,30 @@ func TestSubsliceCompound(t *testing.T) {
require.Error(t, err)
}
func TestRemove(t *testing.T) {
t.Run("Valid", func(t *testing.T) {
src := `package foo
import "github.com/nspcc-dev/neo-go/pkg/interop/util"
func Main() int {
a := []int{11, 22, 33}
util.Remove(a, 1)
return len(a) + a[0] + a[1]
}`
eval(t, src, big.NewInt(46))
})
t.Run("ByteSlice", func(t *testing.T) {
src := `package foo
import "github.com/nspcc-dev/neo-go/pkg/interop/util"
func Main() int {
a := []byte{11, 22, 33}
util.Remove(a, 1)
return len(a)
}`
_, err := compiler.Compile("", strings.NewReader(src))
require.Error(t, err)
})
}
func TestJumps(t *testing.T) {
src := `
package foo