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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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6
pkg/compiler/codegen.go
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@ -1542,6 +1542,12 @@ func (c *codegen) convertBuiltin(expr *ast.CallExpr) {
typ = stackitem.BooleanT
}
c.emitConvert(typ)
case "Remove":
if !isCompoundSlice(c.typeOf(expr.Args[0])) {
c.prog.Err = errors.New("`Remove` supports only non-byte slices")
return
}
emit.Opcode(c.prog.BinWriter, opcode.REMOVE)
case "Equals":
emit.Opcode(c.prog.BinWriter, opcode.EQUAL)
case "FromAddress":