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compiler: allow to use copy() return value

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This commit is contained in:
Evgenii Stratonikov 2020-09-02 15:29:59 +03:00
parent 3d8c7af66c
commit 3af7ce8c6b
2 changed files with 18 additions and 0 deletions
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8
pkg/compiler/codegen.go
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@ -1455,6 +1455,14 @@ func (c *codegen) convertBuiltin(expr *ast.CallExpr) {
emit.Int(c.prog.BinWriter, 3)
emit.Opcode(c.prog.BinWriter, opcode.ROLL)
emit.Opcode(c.prog.BinWriter, opcode.MIN)
if !c.scope.voidCalls[expr] {
// insert top item to the bottom of MEMCPY args, so that it is left on stack
emit.Opcode(c.prog.BinWriter, opcode.DUP)
emit.Int(c.prog.BinWriter, 6)
emit.Opcode(c.prog.BinWriter, opcode.REVERSEN)
emit.Int(c.prog.BinWriter, 5)
emit.Opcode(c.prog.BinWriter, opcode.REVERSEN)
}
emit.Opcode(c.prog.BinWriter, opcode.MEMCPY)
case "make":
typ := c.typeOf(expr.Args[0])