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last commit before i tear everything down

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This commit is contained in:
Andrew Gallant (Ocelot)
2012-04-29 14:09:03 -04:00
parent 6bf0191fb0
commit 3115c13e88
5 changed files with 140 additions and 42 deletions
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110
nexgb/xgbgen/go.go
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@@ -23,6 +23,7 @@ package main
*/
import (
"fmt"
"log"
"strings"
)
@@ -214,16 +215,12 @@ func (bitcase *Bitcase) MorphDefine(c *Context) {
bitcase.Fields.MorphDefine(c)
}
func (fields Fields) MorphRead(c *Context, kind int, evNoSeq bool) {
var nextByte uint
switch kind {
case FieldsEvent:
nextByte = 1
}
func (fields Fields) MorphRead(c *Context, kind int, evNoSeq bool,
prefix string, byt uint) uint {
nextByte := byt
for _, field := range fields {
nextByte = field.MorphRead(c, kind, nextByte)
nextByte = field.MorphRead(c, kind, nextByte, prefix)
switch kind {
case FieldsEvent:
// Skip the sequence id
@@ -232,45 +229,76 @@ func (fields Fields) MorphRead(c *Context, kind int, evNoSeq bool) {
}
}
}
return nextByte
}
func (field *Field) MorphRead(c *Context, kind int, byt uint) uint {
consumed := uint(0)
func (field *Field) MorphRead(c *Context, kind int, byt uint,
prefix string) uint {
nextByte := byt
switch field.XMLName.Local {
case "pad":
consumed = uint(field.Bytes)
nextByte += uint(field.Bytes)
case "field":
if field.Type == "ClientMessageData" {
break
}
size := field.Type.Size(c)
typ := field.Type.Morph(c)
name := field.Name.Morph(c)
_, isBase := BaseTypeMap[string(field.Type)]
c.Put("v.%s = ", name)
if !isBase {
c.Put("%s(", typ)
}
switch size {
case 1: c.Put("buf[%d]", byt)
case 2: c.Put("get16(buf[%d:])", byt)
case 4: c.Put("get32(buf[%d:])", byt)
case 8: c.Put("get64(buf[%d:])", byt)
default:
log.Fatalf("Unsupported field size '%d' for field '%s'.",
size, field)
}
if !isBase {
c.Put(")")
}
c.Putln("")
consumed = size
nextByte = field.MorphReadField(c, kind, nextByte, prefix)
case "list":
c.Putln("")
typ := field.Type.Morph(c)
// Create a temporary Field so we can use MorphReadField.
// temp := &Field{
// XMLName: xml.Name{Local: "field"},
// Name: field.Name,
// Type: field.Type,
// }
// Special case: if the list is just raw bytes, use copy!
if typ == "byte" {
c.Putln("copy(%s%s, buf[%d:])", prefix, field.Name.Morph(c),
byt)
nextByte = byt + 20
} else {
c.Putln("//list!")
}
}
return byt + consumed
return nextByte
}
func (field *Field) MorphReadField(c *Context, kind int, byt uint,
prefix string) uint {
if union := field.Type.Union(c); union != nil {
c.Putln("")
c.Putln("%s%s = %s{}", prefix, field.Name.Morph(c), field.Type.Morph(c))
union.Fields.MorphRead(c, kind, false,
fmt.Sprintf("%s%s.", prefix, field.Name.Morph(c)), byt)
c.Putln("")
return byt
}
size := field.Type.Size(c)
typ := field.Type.Morph(c)
name := field.Name.Morph(c)
_, isBase := BaseTypeMap[string(field.Type)]
c.Put("%s%s = ", prefix, name)
if !isBase {
c.Put("%s(", typ)
}
switch size {
case 1: c.Put("buf[%d]", byt)
case 2: c.Put("get16(buf[%d:])", byt)
case 4: c.Put("get32(buf[%d:])", byt)
case 8: c.Put("get64(buf[%d:])", byt)
default:
log.Fatalf("Unsupported field size '%d' for field '%s'.",
size, field)
}
if !isBase {
c.Put(")")
}
c.Putln("")
return byt + size
}
func (fields Fields) MorphWrite(c *Context, kind int) {
@@ -377,7 +405,7 @@ func (ev *Event) Morph(c *Context) {
c.Putln("")
c.Putln("func New%s(buf []byte) %sEvent {", name, name)
c.Putln("var v %sEvent", name)
ev.Fields.MorphRead(c, FieldsEvent, ev.NoSequence)
ev.Fields.MorphRead(c, FieldsEvent, ev.NoSequence, "v.", 1)
c.Putln("return v")
c.Putln("}")
c.Putln("")