60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
package main
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type gotype struct {
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SliceOf *gotype
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MapKey *gotype
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MapVal *gotype
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PtrTo *gotype
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Plain string
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// TODO channel-of (although we will never? construct one from PHP source)
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}
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func (gt gotype) AsGoString() string {
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if gt.SliceOf != nil {
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return "[]" + gt.SliceOf.AsGoString()
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} else if gt.MapKey != nil {
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return "map[" + gt.MapKey.AsGoString() + "]" + gt.MapVal.AsGoString()
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} else if gt.PtrTo != nil {
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return "*" + gt.PtrTo.AsGoString()
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} else {
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return gt.Plain
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}
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}
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// ZeroValue returns a Go literal string for the zero value of this type.
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func (gt gotype) ZeroValue() string {
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if gt.SliceOf != nil || gt.MapKey != nil || gt.PtrTo != nil {
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return `nil` // gt.AsGoString() + "{}"
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}
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// It's a plain type
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switch gt.Plain {
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case "byte",
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"int", "int8", "int16", "int32", "int64",
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"uint", "uint8", "uint16", "uint32", "uint64",
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"float", "float64":
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return `0`
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case "bool":
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return `false`
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case "string":
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return `""`
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case "rune":
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return `''`
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default:
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// probably a struct type
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return gt.AsGoString() + `{}`
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}
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}
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