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accounts/abi/bind: Add some more documentation

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protolambda 2017-12-14 20:51:40 +01:00 committed by Martin Holst Swende
parent bdeafabe77
commit a31bc94a55
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1 changed files with 13 additions and 2 deletions
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15
accounts/abi/bind/bind.go
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@ -164,7 +164,14 @@ var bindType = map[Lang]func(kind abi.Type) string{
LangJava: bindTypeJava,
}
// Helper function for the binding generators.
// It reads the unmatched characters after the inner type-match,
// (since the inner type is a prefix of the total type declaration),
// looks for valid arrays (possibly a dynamic one) wrapping the inner type,
// and returns the sizes of these arrays.
//
// Returned array sizes are in the same order as solidity signatures; inner array size first.
// Array sizes may also be "", indicating a dynamic array.
func wrapArray(stringKind string, innerLen int, innerMapping string) (string, []string) {
remainder := stringKind[innerLen:]
if len(remainder) > 0 {
@ -190,6 +197,8 @@ func wrapArray(stringKind string, innerLen int, innerMapping string) (string, []
}
}
// Translates the array sizes to a Go-lang declaration of a (nested) array of the inner type.
// Simply returns the inner type if arraySizes is empty.
func arrayBindingGo(inner string, arraySizes []string) string {
out := ""
//prepend all array sizes, from outer (end arraySizes) to inner (start arraySizes)
@ -241,10 +250,12 @@ func bindUnnestedTypeGo(stringKind string) (int, string) {
}
}
// Translates the array sizes to a Java declaration of a (nested) array of the inner type.
// Simply returns the inner type if arraySizes is empty.
func arrayBindingJava(inner string, arraySizes []string) string {
out := inner
//append a "[]" for each array size.
// (Full arraySizes is used in signature for consistency with the go-lang version)
for i := 0; i < len(arraySizes); i++ {
//normally, like with Go, you could declare an array size. Not in Java.
out += "[]"