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utils.go
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utils.go
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package wren
import (
"encoding/binary"
"github.com/crazyinfin8/wren-go/internals"
)
func writeUInt64(ctx *internals.Context, ptr int32, val uint64) {
binary.LittleEndian.PutUint64(ctx.Mem[ptr:], val)
}
func writeUInt32(ctx *internals.Context, ptr int32, val uint32) {
binary.LittleEndian.PutUint32(ctx.Mem[ptr:], val)
}
func readUInt32(ctx *internals.Context, ptr int32) uint32 {
return binary.LittleEndian.Uint32(ctx.Mem[ptr:])
}
func writeInt32(ctx *internals.Context, ptr int32, val int32) {
binary.LittleEndian.PutUint32(ctx.Mem[ptr:], uint32(val))
}
func readInt32(ctx *internals.Context, ptr int32) int32 {
return int32(readUInt32(ctx, ptr))
}
func gostring(ctx *internals.Context, ptr int32) string {
end := ptr
c := ctx.Mem[end]
for c != '\000' {
end++
c = ctx.Mem[end]
}
if end == ptr {
return ""
}
return string(ctx.Mem[ptr:end])
}
func cstring(ctx *internals.Context, text string) int32 {
ptr := ctx.Malloc(int32(len(text)) + 1)
if ptr == 0 {
panic("Out of memory (in wagu)")
}
copy(ctx.Mem[ptr:], []byte(text))
ctx.Mem[int(ptr)+len(text)] = '\000'
return ptr
}
func cbytes(ctx *internals.Context, data []byte) int32 {
ptr := ctx.Malloc(int32(len(data)) + 1)
if ptr == 0 {
panic("Out of memory (in wagu)")
}
copy(ctx.Mem[ptr:], data)
ctx.Mem[int(ptr)+len(data)] = '\000'
return ptr
}
func boolToInt(value bool) int32 {
if value {
return 1
}
return 0
}