hcl/go/pkg/hcl.go
hyung-hwan de94b4e66f
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added the go wrapper files. work in progress
2023-10-27 18:20:02 +09:00

106 lines
1.7 KiB
Go

package hcl
/*
#cgo CFLAGS: -I/home/hyung-hwan/xxx/include -g -Wall
#cgo LDFLAGS: -L/home/hyung-hwan/xxx/lib -lhcl -ldl -lquadmath
#include <hcl.h>
#include <hcl-utl.h>
*/
import "C"
import (
"fmt"
"runtime"
// "unsafe"
)
type HCL struct {
inst *C.hcl_t
no int
io struct {
r IOHandle
w IOHandle
}
}
var inst_table InstanceTable
func deregister_instance(hcl *HCL) {
if (hcl.no >= 0) {
inst_table.delete_instance(hcl.no)
hcl.no = -1
}
}
func New() (*HCL, error) {
var inst *C.hcl_t
var hcl* HCL
inst = C.hcl_open(nil, 0, nil, nil) // TODO: prim in, errnum out
hcl = &HCL{inst: inst, no : -1}
runtime.SetFinalizer(hcl, deregister_instance)
hcl.no = inst_table.add_instance(inst, hcl)
return hcl, nil
}
func (hcl *HCL) Close() {
C.hcl_close (hcl.inst)
deregister_instance (hcl)
}
func (hcl *HCL) Ignite(memsize uintptr) error {
if C.hcl_ignite(hcl.inst, C.hcl_oow_t(memsize)) <= -1 {
// TODO: need to convert string...
return fmt.Errorf ("unable to ignite: %s", ucstr_to_rune_slice(C.hcl_geterrstr(hcl.inst)))
}
return nil
}
func (hcl *HCL) AddBuiltinPrims() error {
if C.hcl_addbuiltinprims(hcl.inst) <= -1 {
}
return nil
}
func (hcl *HCL) AttachIO() error {
return nil
}
func (hcl *HCL) FeedString(str []rune) error {
return nil
}
func (hcl *HCL) BeginFeed() {
}
func (hcl *HCL) EndFeed() {
}
func (hcl *HCL) Execute() {
}
func ucstr_to_rune_slice(str *C.hcl_uch_t) []rune {
return uchars_to_rune_slice(str, uintptr(C.hcl_count_ucstr(str)))
}
func uchars_to_rune_slice(str *C.hcl_uch_t, len uintptr) []rune {
var res []rune
var i uintptr
// TODO: proper encoding...
res = make([]rune, len)
for i = 0; i < len; i++ {
//TODO res[i] := str[i]
}
return res
}
func c_to_go (inst *C.hcl_t) *HCL {
return nil
}