45 lines
1016 B
Go
45 lines
1016 B
Go
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package main
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import (
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"unsafe"
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"github.com/goplus/llgo/c"
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"github.com/goplus/llgo/c/lua"
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)
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func reader(L *lua.State, data c.Pointer, size *c.Ulong) *c.Char {
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buffer := make([]c.Char, 4096)
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*size = c.Ulong(c.Fread(c.Pointer(unsafe.SliceData(buffer)), uintptr(1), uintptr(unsafe.Sizeof(buffer)), data))
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if *size > 0 {
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return &buffer[0]
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}
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return nil
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}
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func main() {
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L := lua.Newstate()
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defer L.Close()
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L.Openlibs()
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file := c.Fopen(c.Str("../llgofunc.luac"), c.Str("rb"))
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if file == nil {
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c.Printf(c.Str("Failed to open file for writing\n"))
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}
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if L.Load(reader, file, c.Str("greet"), nil) != lua.OK {
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c.Printf(c.Str("Failed to dump Lua function\n"))
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}
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c.Printf(c.Str("Stack size before call: %d\n"), L.Gettop())
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c.Printf(c.Str("Top element type after call: %s\n"), L.Typename(L.Type(-1)))
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L.Pushstring(c.Str("World"))
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if L.Pcall(1, 1, 0) != lua.OK {
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c.Printf(c.Str("Failed to call function: %s\n"))
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}
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if L.Isstring(-1) != 0 {
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c.Printf(c.Str("Result: %s\n"), L.Tostring(-1))
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}
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}
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