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compiler: fix argument handling for function arity >= 3

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Imported from CityOfZion/neo-storm#61 PR.
This commit is contained in:
Evgenii 2019-02-19 16:14:55 +03:00 committed by Roman Khimov
parent 5ba835d25b
commit 05c07a8567
1 changed files with 0 additions and 21 deletions
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21
pkg/vm/compiler/codegen.go
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@ -447,27 +447,6 @@ func (c *codegen) Visit(node ast.Node) ast.Visitor {
emitInt(c.prog, 2)
emitOpcode(c.prog, vm.XSWAP)
} else {
half := int(numArgs / 2)
for i := 0; i < half; i++ {
to := numArgs - 1 - i
emitInt(c.prog, int64(to))
emitOpcode(c.prog, vm.PICK)
emitInt(c.prog, int64(i+1))
emitOpcode(c.prog, vm.PICK)
emitInt(c.prog, int64(to+2))
emitOpcode(c.prog, vm.XSWAP)
emitOpcode(c.prog, vm.DROP)
emitInt(c.prog, int64(i+1))
emitOpcode(c.prog, vm.XSWAP)
emitOpcode(c.prog, vm.DROP)
}
}
if numArgs > 3 {
for i := 1; i < numArgs; i++ {
emitInt(c.prog, int64(i))
emitOpcode(c.prog, vm.ROLL)