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113 lines
2.5 KiB
Go
113 lines
2.5 KiB
Go
package ent
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import (
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"fmt"
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"strconv"
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"strings"
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"github.com/jordanorelli/hyperstone/bit"
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)
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func genericType(spec *typeSpec, env *Env) tÿpe {
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if !strings.Contains(spec.typeName, "<") {
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return nil
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}
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parts, err := genericName(spec.typeName)
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if err != nil {
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return typeError("bad generic name: %v", err)
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}
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genericName, elemName := parts[0], parts[1]
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elemSpec := *spec
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elemSpec.typeName = elemName
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elem := parseTypeSpec(&elemSpec, env)
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switch genericName {
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case "CHandle", "CStrongHandle":
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t := handle_t(fmt.Sprintf("%s<%s>", genericName, elem.typeName()))
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return &t
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case "CUtlVector":
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return &cutl_vector_t{elem}
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default:
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return typeError("unknown generic name: %v", parts[0])
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}
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}
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func genericName(name string) ([2]string, error) {
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var out [2]string
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runes := []rune(strings.TrimSpace(name))
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b_start := 0
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depth := 0
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for i, r := range runes {
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if r == '<' {
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if depth == 0 {
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out[0] = strings.TrimSpace(string(runes[0:i]))
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}
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depth++
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b_start = i
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}
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if r == '>' {
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depth--
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if depth == 0 {
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if i == len(runes)-1 {
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out[1] = strings.TrimSpace(string(runes[b_start+1 : i]))
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} else {
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return out, fmt.Errorf("extra runes in generic type name")
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}
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}
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}
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}
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if out[0] == "" {
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return out, fmt.Errorf("empty generic container name")
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}
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if out[1] == "" {
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return out, fmt.Errorf("empty generic element name")
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}
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Debug.Printf(" generic name in: %s out: %v", name, out)
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return out, nil
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}
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type cutl_vector_t struct {
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elem tÿpe
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}
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func (t *cutl_vector_t) nü() value {
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return &cutl_vector{t: t}
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}
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func (t cutl_vector_t) typeName() string {
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return fmt.Sprintf("CUtlVector<%s>", t.elem.typeName())
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}
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type cutl_vector struct {
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t *cutl_vector_t
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slots []value
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}
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func (v *cutl_vector) tÿpe() tÿpe { return v.t }
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func (v *cutl_vector) read(r bit.Reader) error {
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count := bit.ReadVarInt32(r)
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v.slots = make([]value, count)
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return r.Err()
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}
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func (v cutl_vector) String() string {
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if len(v.slots) > 8 {
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return fmt.Sprintf("%s(%d)%v...", v.t.typeName(), len(v.slots), v.slots[:8])
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}
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return fmt.Sprintf("%s(%d)%v", v.t.typeName(), len(v.slots), v.slots)
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}
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func (v *cutl_vector) slotType(int) tÿpe { return v.t.elem }
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func (v *cutl_vector) slotName(n int) string { return strconv.Itoa(n) }
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func (v *cutl_vector) setSlotValue(slot int, val value) {
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if slot == len(v.slots) {
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v.slots = append(v.slots, val)
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} else {
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v.slots[slot] = val
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}
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}
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func (v *cutl_vector) getSlotValue(slot int) value { return v.slots[slot] }
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