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a huge commit. splitting extensions into their own sub-packages.

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This commit is contained in:
Andrew Gallant (Ocelot)
2012-05-10 17:01:42 -04:00
parent e239bb3c68
commit 0c50dc6241
81 changed files with 51645 additions and 52516 deletions
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78
nexgb/xgbgen/context.go
View File

@@ -5,7 +5,6 @@ import (
"encoding/xml"
"fmt"
"log"
"strings"
"time"
)
@@ -49,10 +48,10 @@ func (c *Context) Morph(xmlBytes []byte) {
parsedXml.Imports.Eval()
// Translate XML types to nice types
c.protocol = parsedXml.Translate()
c.protocol = parsedXml.Translate(nil)
// Start with Go header.
c.Putln("package xgb")
c.Putln("package %s", c.protocol.PkgName())
c.Putln("")
c.Putln("/*")
c.Putln("\tThis file was generated by %s.xml on %s.",
@@ -61,44 +60,53 @@ func (c *Context) Morph(xmlBytes []byte) {
c.Putln("*/")
c.Putln("")
// Write imports in comments
if len(c.protocol.Imports) > 0 {
c.Putln("// Imports are not necessary for XGB because everything is ")
c.Putln("// in one package. They are still listed here for reference.")
for _, imp := range c.protocol.Imports {
c.Putln("// import \"%s\"", imp.Name)
}
c.Putln("")
// Write imports. We always need to import at least xgb.
// We also need to import xproto if it's an extension.
c.Putln("import (")
c.Putln("\"github.com/BurntSushi/xgb\"")
c.Putln("")
if c.protocol.isExt() {
c.Putln("\"github.com/BurntSushi/xgb/xproto\"")
}
for _, imp := range c.protocol.Imports {
// We always import xproto, so skip it if it's explicitly imported
if imp.Name == "xproto" {
continue
}
c.Putln("\"github.com/BurntSushi/xgb/%s\"", imp.Name)
}
c.Putln(")")
c.Putln("")
// If this is an extension, create a function to initialize the extension
// before it can be used.
if c.protocol.isExt() {
name := strings.Title(c.protocol.Name) + "Init"
xname := c.protocol.ExtXName
c.Putln("// %s must be called before using the %s extension.",
name, xname)
c.Putln("func (c *Conn) %s() error {", name)
c.Putln("reply, err := c.QueryExtension(%d, \"%s\").Reply()",
c.Putln("// Init must be called before using the %s extension.",
xname)
c.Putln("func Init(c *xgb.Conn) error {")
c.Putln("reply, err := xproto.QueryExtension(c, %d, \"%s\").Reply()",
len(xname), xname)
c.Putln("switch {")
c.Putln("case err != nil:")
c.Putln("return err")
c.Putln("case !reply.Present:")
c.Putln("return errorf(\"No extension named %s could be found on "+
c.Putln("return xgb.Errorf(\"No extension named %s could be found on "+
"on the server.\")", xname)
c.Putln("}")
c.Putln("")
c.Putln("c.extLock.Lock()")
c.Putln("c.extensions[\"%s\"] = reply.MajorOpcode", xname)
c.Putln("for evNum, fun := range newExtEventFuncs[\"%s\"] {", xname)
c.Putln("newEventFuncs[int(reply.FirstEvent) + evNum] = fun")
c.Putln("xgb.ExtLock.Lock()")
c.Putln("c.Extensions[\"%s\"] = reply.MajorOpcode", xname)
c.Putln("for evNum, fun := range xgb.NewExtEventFuncs[\"%s\"] {",
xname)
c.Putln("xgb.NewEventFuncs[int(reply.FirstEvent) + evNum] = fun")
c.Putln("}")
c.Putln("for errNum, fun := range newExtErrorFuncs[\"%s\"] {", xname)
c.Putln("newErrorFuncs[int(reply.FirstError) + errNum] = fun")
c.Putln("for errNum, fun := range xgb.NewExtErrorFuncs[\"%s\"] {",
xname)
c.Putln("xgb.NewErrorFuncs[int(reply.FirstError) + errNum] = fun")
c.Putln("}")
c.Putln("c.extLock.Unlock()")
c.Putln("xgb.ExtLock.Unlock()")
c.Putln("")
c.Putln("return nil")
c.Putln("}")
@@ -107,8 +115,26 @@ func (c *Context) Morph(xmlBytes []byte) {
// Make sure newExtEventFuncs["EXT_NAME"] map is initialized.
// Same deal for newExtErrorFuncs["EXT_NAME"]
c.Putln("func init() {")
c.Putln("newExtEventFuncs[\"%s\"] = make(map[int]newEventFun)", xname)
c.Putln("newExtErrorFuncs[\"%s\"] = make(map[int]newErrorFun)", xname)
c.Putln("xgb.NewExtEventFuncs[\"%s\"] = make(map[int]xgb.NewEventFun)",
xname)
c.Putln("xgb.NewExtErrorFuncs[\"%s\"] = make(map[int]xgb.NewErrorFun)",
xname)
c.Putln("}")
c.Putln("")
} else {
// In the xproto package, we must provide a Setup function that uses
// SetupBytes in xgb.Conn to return a SetupInfo structure.
c.Putln("// Setup parses the setup bytes retrieved when")
c.Putln("// connecting into a SetupInfo struct.")
c.Putln("func Setup(c *xgb.Conn) *SetupInfo {")
c.Putln("setup := new(SetupInfo)")
c.Putln("SetupInfoRead(c.SetupBytes, setup)")
c.Putln("return setup")
c.Putln("}")
c.Putln("")
c.Putln("// DefaultScreen gets the default screen info from SetupInfo.")
c.Putln("func (s *SetupInfo) DefaultScreen(c *xgb.Conn) *ScreenInfo {")
c.Putln("return &s.Roots[c.DefaultScreen]")
c.Putln("}")
c.Putln("")
}

4
nexgb/xgbgen/expression.go
View File

@@ -204,7 +204,7 @@ func (e *Padding) Reduce(prefix string) string {
if e.Concrete() {
return fmt.Sprintf("%d", e.Eval())
}
return fmt.Sprintf("pad(%s)", e.Expr.Reduce(prefix))
return fmt.Sprintf("xgb.Pad(%s)", e.Expr.Reduce(prefix))
}
func (e *Padding) String() string {
@@ -233,7 +233,7 @@ func (e *PopCount) Reduce(prefix string) string {
if e.Concrete() {
return fmt.Sprintf("%d", e.Eval())
}
return fmt.Sprintf("popCount(%s)", e.Expr.Reduce(prefix))
return fmt.Sprintf("xgb.PopCount(%s)", e.Expr.Reduce(prefix))
}
func (e *PopCount) String() string {

2
nexgb/xgbgen/field.go
View File

@@ -245,7 +245,7 @@ func (f *ValueField) SrcType() string {
func (f *ValueField) Size() Size {
maskSize := f.MaskType.Size()
listSize := newExpressionSize(&Function{
Name: "pad",
Name: "xgb.Pad",
Expr: &BinaryOp{
Op: "*",
Expr1: &Value{v: 4},

10
nexgb/xgbgen/go.go
View File

@@ -82,7 +82,7 @@ func (enum *Enum) Define(c *Context) {
func (res *Resource) Define(c *Context) {
c.Putln("type %s uint32", res.SrcName())
c.Putln("")
c.Putln("func (c *Conn) New%sId() (%s, error) {",
c.Putln("func New%sId(c *xgb.Conn) (%s, error) {",
res.SrcName(), res.SrcName())
c.Putln("id, err := c.NewId()")
c.Putln("if err != nil {")
@@ -167,10 +167,10 @@ func (f *ValueField) Read(c *Context, prefix string) {
c.Putln("%s%s = make([]uint32, %s)",
prefix, f.ListName, f.ListLength().Reduce(prefix))
c.Putln("for i := 0; i < %s; i++ {", f.ListLength().Reduce(prefix))
c.Putln("%s%s[i] = Get32(buf[b:])", prefix, f.ListName)
c.Putln("%s%s[i] = xgb.Get32(buf[b:])", prefix, f.ListName)
c.Putln("b += 4")
c.Putln("}")
c.Putln("b = pad(b)")
c.Putln("b = xgb.Pad(b)")
}
func (f *ValueField) Write(c *Context, prefix string) {
@@ -180,10 +180,10 @@ func (f *ValueField) Write(c *Context, prefix string) {
fmt.Sprintf("%s%s", prefix, f.MaskName), f.MaskType)
}
c.Putln("for i := 0; i < %s; i++ {", f.ListLength().Reduce(prefix))
c.Putln("Put32(buf[b:], %s%s[i])", prefix, f.ListName)
c.Putln("xgb.Put32(buf[b:], %s%s[i])", prefix, f.ListName)
c.Putln("b += 4")
c.Putln("}")
c.Putln("b = pad(b)")
c.Putln("b = xgb.Pad(b)")
}
// Switch field

23
nexgb/xgbgen/go_error.go
View File

@@ -30,10 +30,10 @@ func (e *Error) Define(c *Context) {
// Let's the XGB event loop read this error.
c.Putln("func init() {")
if c.protocol.isExt() {
c.Putln("newExtErrorFuncs[\"%s\"][%d] = New%s",
c.Putln("xgb.NewExtErrorFuncs[\"%s\"][%d] = %sNew",
c.protocol.ExtXName, e.Number, e.ErrType())
} else {
c.Putln("newErrorFuncs[%d] = New%s", e.Number, e.ErrType())
c.Putln("xgb.NewErrorFuncs[%d] = %sNew", e.Number, e.ErrType())
}
c.Putln("}")
c.Putln("")
@@ -41,14 +41,14 @@ func (e *Error) Define(c *Context) {
func (e *Error) Read(c *Context) {
c.Putln("// Error read %s", e.SrcName())
c.Putln("func New%s(buf []byte) Error {", e.ErrType())
c.Putln("func %sNew(buf []byte) xgb.Error {", e.ErrType())
c.Putln("v := %s{}", e.ErrType())
c.Putln("v.NiceName = \"%s\"", e.SrcName())
c.Putln("")
c.Putln("b := 1 // skip error determinant")
c.Putln("b += 1 // don't read error number")
c.Putln("")
c.Putln("v.Sequence = Get16(buf[b:])")
c.Putln("v.Sequence = xgb.Get16(buf[b:])")
c.Putln("b += 2")
c.Putln("")
for _, field := range e.Fields {
@@ -101,18 +101,18 @@ func (e *ErrorCopy) Define(c *Context) {
// Let's the XGB know how to read this error.
c.Putln("func init() {")
if c.protocol.isExt() {
c.Putln("newExtErrorFuncs[\"%s\"][%d] = New%s",
c.Putln("xgb.NewExtErrorFuncs[\"%s\"][%d] = %sNew",
c.protocol.ExtXName, e.Number, e.ErrType())
} else {
c.Putln("newErrorFuncs[%d] = New%s", e.Number, e.ErrType())
c.Putln("xgb.NewErrorFuncs[%d] = %sNew", e.Number, e.ErrType())
}
c.Putln("}")
c.Putln("")
}
func (e *ErrorCopy) Read(c *Context) {
c.Putln("func New%s(buf []byte) Error {", e.ErrType())
c.Putln("v := %s(New%s(buf).(%s))",
c.Putln("func %sNew(buf []byte) xgb.Error {", e.ErrType())
c.Putln("v := %s(%sNew(buf).(%s))",
e.ErrType(), e.Old.(*Error).ErrType(), e.Old.(*Error).ErrType())
c.Putln("v.NiceName = \"%s\"", e.SrcName())
c.Putln("return v")
@@ -148,7 +148,7 @@ func ErrorFieldString(c *Context, fields []Field, errName string) {
c.Putln("fieldVals := make([]string, 0, %d)", len(fields))
c.Putln("fieldVals = append(fieldVals, \"NiceName: \" + err.NiceName)")
c.Putln("fieldVals = append(fieldVals, "+
"sprintf(\"Sequence: %s\", err.Sequence))", "%d")
"xgb.Sprintf(\"Sequence: %s\", err.Sequence))", "%d")
for _, field := range fields {
switch field.(type) {
case *PadField:
@@ -158,11 +158,12 @@ func ErrorFieldString(c *Context, fields []Field, errName string) {
c.Putln("fieldVals = append(fieldVals, \"%s: \" + err.%s)",
field.SrcName(), field.SrcName())
} else {
format := fmt.Sprintf("sprintf(\"%s: %s\", err.%s)",
format := fmt.Sprintf("xgb.Sprintf(\"%s: %s\", err.%s)",
field.SrcName(), "%d", field.SrcName())
c.Putln("fieldVals = append(fieldVals, %s)", format)
}
}
}
c.Putln("return \"%s {\" + stringsJoin(fieldVals, \", \") + \"}\"", errName)
c.Putln("return \"%s {\" + xgb.StringsJoin(fieldVals, \", \") + \"}\"",
errName)
}

27
nexgb/xgbgen/go_event.go
View File

@@ -48,10 +48,10 @@ func (e *Event) Define(c *Context) {
// Let's the XGB event loop read this event.
c.Putln("func init() {")
if c.protocol.isExt() {
c.Putln("newExtEventFuncs[\"%s\"][%d] = New%s",
c.Putln("xgb.NewExtEventFuncs[\"%s\"][%d] = %sNew",
c.protocol.ExtXName, e.Number, e.EvType())
} else {
c.Putln("newEventFuncs[%d] = New%s", e.Number, e.EvType())
c.Putln("xgb.NewEventFuncs[%d] = %sNew", e.Number, e.EvType())
}
c.Putln("}")
c.Putln("")
@@ -59,13 +59,13 @@ func (e *Event) Define(c *Context) {
func (e *Event) Read(c *Context) {
c.Putln("// Event read %s", e.SrcName())
c.Putln("func New%s(buf []byte) Event {", e.EvType())
c.Putln("func %sNew(buf []byte) xgb.Event {", e.EvType())
c.Putln("v := %s{}", e.EvType())
c.Putln("b := 1 // don't read event number")
c.Putln("")
for i, field := range e.Fields {
if i == 1 && !e.NoSequence {
c.Putln("v.Sequence = Get16(buf[b:])")
c.Putln("v.Sequence = xgb.Get16(buf[b:])")
c.Putln("b += 2")
c.Putln("")
}
@@ -136,18 +136,18 @@ func (e *EventCopy) Define(c *Context) {
// Let's the XGB event loop read this event.
c.Putln("func init() {")
if c.protocol.isExt() {
c.Putln("newExtEventFuncs[\"%s\"][%d] = New%s",
c.Putln("xgb.NewExtEventFuncs[\"%s\"][%d] = %sNew",
c.protocol.ExtXName, e.Number, e.EvType())
} else {
c.Putln("newEventFuncs[%d] = New%s", e.Number, e.EvType())
c.Putln("xgb.NewEventFuncs[%d] = %sNew", e.Number, e.EvType())
}
c.Putln("}")
c.Putln("")
}
func (e *EventCopy) Read(c *Context) {
c.Putln("func New%s(buf []byte) Event {", e.EvType())
c.Putln("return %s(New%s(buf).(%s))",
c.Putln("func %sNew(buf []byte) xgb.Event {", e.EvType())
c.Putln("return %s(%sNew(buf).(%s))",
e.EvType(), e.Old.(*Event).EvType(), e.Old.(*Event).EvType())
c.Putln("}")
c.Putln("")
@@ -166,7 +166,7 @@ func EventFieldString(c *Context, fields []Field, evName string) {
c.Putln("fieldVals := make([]string, 0, %d)", len(fields))
if evName != "KeymapNotify" {
c.Putln("fieldVals = append(fieldVals, "+
"sprintf(\"Sequence: %s\", v.Sequence))", "%d")
"xgb.Sprintf(\"Sequence: %s\", v.Sequence))", "%d")
}
for _, field := range fields {
switch f := field.(type) {
@@ -183,19 +183,20 @@ func EventFieldString(c *Context, fields []Field, evName string) {
switch field.SrcType() {
case "string":
format := fmt.Sprintf("sprintf(\"%s: %s\", v.%s)",
format := fmt.Sprintf("xgb.Sprintf(\"%s: %s\", v.%s)",
field.SrcName(), "%s", field.SrcName())
c.Putln("fieldVals = append(fieldVals, %s)", format)
case "bool":
format := fmt.Sprintf("sprintf(\"%s: %s\", v.%s)",
format := fmt.Sprintf("xgb.Sprintf(\"%s: %s\", v.%s)",
field.SrcName(), "%t", field.SrcName())
c.Putln("fieldVals = append(fieldVals, %s)", format)
default:
format := fmt.Sprintf("sprintf(\"%s: %s\", v.%s)",
format := fmt.Sprintf("xgb.Sprintf(\"%s: %s\", v.%s)",
field.SrcName(), "%d", field.SrcName())
c.Putln("fieldVals = append(fieldVals, %s)", format)
}
}
}
c.Putln("return \"%s {\" + stringsJoin(fieldVals, \", \") + \"}\"", evName)
c.Putln("return \"%s {\" + xgb.StringsJoin(fieldVals, \", \") + \"}\"",
evName)
}

22
nexgb/xgbgen/go_list.go
View File

@@ -21,7 +21,7 @@ func (f *ListField) Read(c *Context, prefix string) {
c.Putln("for i := 0; i < int(%s); i++ {", length)
ReadSimpleSingleField(c, fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t)
c.Putln("}")
c.Putln("b = pad(b)")
c.Putln("b = xgb.Pad(b)")
case *Base:
length := f.LengthExpr.Reduce(prefix)
if strings.ToLower(t.XmlName()) == "char" {
@@ -29,13 +29,13 @@ func (f *ListField) Read(c *Context, prefix string) {
c.Putln("byteString := make([]%s, %s)", t.SrcName(), length)
c.Putln("copy(byteString[:%s], buf[b:])", length)
c.Putln("%s%s = string(byteString)", prefix, f.SrcName())
c.Putln("b += pad(int(%s))", length)
c.Putln("b += xgb.Pad(int(%s))", length)
c.Putln("}")
} else if t.SrcName() == "byte" {
c.Putln("%s%s = make([]%s, %s)",
prefix, f.SrcName(), t.SrcName(), length)
c.Putln("copy(%s%s[:%s], buf[b:])", prefix, f.SrcName(), length)
c.Putln("b += pad(int(%s))", length)
c.Putln("b += xgb.Pad(int(%s))", length)
} else {
c.Putln("%s%s = make([]%s, %s)",
prefix, f.SrcName(), t.SrcName(), length)
@@ -43,7 +43,7 @@ func (f *ListField) Read(c *Context, prefix string) {
ReadSimpleSingleField(c,
fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t)
c.Putln("}")
c.Putln("b = pad(b)")
c.Putln("b = xgb.Pad(b)")
}
case *TypeDef:
length := f.LengthExpr.Reduce(prefix)
@@ -52,16 +52,16 @@ func (f *ListField) Read(c *Context, prefix string) {
c.Putln("for i := 0; i < int(%s); i++ {", length)
ReadSimpleSingleField(c, fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t)
c.Putln("}")
c.Putln("b = pad(b)")
c.Putln("b = xgb.Pad(b)")
case *Union:
c.Putln("%s%s = make([]%s, %s)",
prefix, f.SrcName(), t.SrcName(), f.LengthExpr.Reduce(prefix))
c.Putln("b += Read%sList(buf[b:], %s%s)",
c.Putln("b += %sReadList(buf[b:], %s%s)",
t.SrcName(), prefix, f.SrcName())
case *Struct:
c.Putln("%s%s = make([]%s, %s)",
prefix, f.SrcName(), t.SrcName(), f.LengthExpr.Reduce(prefix))
c.Putln("b += Read%sList(buf[b:], %s%s)",
c.Putln("b += %sReadList(buf[b:], %s%s)",
t.SrcName(), prefix, f.SrcName())
default:
log.Panicf("Cannot read list field '%s' with %T type.",
@@ -77,18 +77,18 @@ func (f *ListField) Write(c *Context, prefix string) {
WriteSimpleSingleField(c,
fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t)
c.Putln("}")
c.Putln("b = pad(b)")
c.Putln("b = xgb.Pad(b)")
case *Base:
length := f.Length().Reduce(prefix)
if t.SrcName() == "byte" {
c.Putln("copy(buf[b:], %s%s[:%s])", prefix, f.SrcName(), length)
c.Putln("b += pad(int(%s))", length)
c.Putln("b += xgb.Pad(int(%s))", length)
} else {
c.Putln("for i := 0; i < int(%s); i++ {", length)
WriteSimpleSingleField(c,
fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t)
c.Putln("}")
c.Putln("b = pad(b)")
c.Putln("b = xgb.Pad(b)")
}
case *TypeDef:
length := f.Length().Reduce(prefix)
@@ -96,7 +96,7 @@ func (f *ListField) Write(c *Context, prefix string) {
WriteSimpleSingleField(c,
fmt.Sprintf("%s%s[i]", prefix, f.SrcName()), t)
c.Putln("}")
c.Putln("b = pad(b)")
c.Putln("b = xgb.Pad(b)")
case *Union:
c.Putln("b += %sListBytes(buf[b:], %s%s)",
t.SrcName(), prefix, f.SrcName())

53
nexgb/xgbgen/go_request_reply.go
View File

@@ -9,22 +9,22 @@ func (r *Request) Define(c *Context) {
c.Putln("// Request %s", r.SrcName())
c.Putln("// size: %s", r.Size(c))
c.Putln("type %s struct {", r.CookieName())
c.Putln("*cookie")
c.Putln("*xgb.Cookie")
c.Putln("}")
c.Putln("")
if r.Reply != nil {
c.Putln("func (c *Conn) %s(%s) %s {",
c.Putln("func %s(c *xgb.Conn, %s) %s {",
r.SrcName(), r.ParamNameTypes(), r.CookieName())
c.Putln("cookie := c.newCookie(true, true)")
c.Putln("c.newRequest(c.%s(%s), cookie)", r.ReqName(), r.ParamNames())
c.Putln("cookie := c.NewCookie(true, true)")
c.Putln("c.NewRequest(%s(c, %s), cookie)", r.ReqName(), r.ParamNames())
c.Putln("return %s{cookie}", r.CookieName())
c.Putln("}")
c.Putln("")
c.Putln("func (c *Conn) %sUnchecked(%s) %s {",
c.Putln("func %sUnchecked(c *xgb.Conn, %s) %s {",
r.SrcName(), r.ParamNameTypes(), r.CookieName())
c.Putln("cookie := c.newCookie(false, true)")
c.Putln("c.newRequest(c.%s(%s), cookie)", r.ReqName(), r.ParamNames())
c.Putln("cookie := c.NewCookie(false, true)")
c.Putln("c.NewRequest(%s(c, %s), cookie)", r.ReqName(), r.ParamNames())
c.Putln("return %s{cookie}", r.CookieName())
c.Putln("}")
c.Putln("")
@@ -32,27 +32,27 @@ func (r *Request) Define(c *Context) {
r.ReadReply(c)
} else {
c.Putln("// Write request to wire for %s", r.SrcName())
c.Putln("func (c *Conn) %s(%s) %s {",
c.Putln("func %s(c *xgb.Conn, %s) %s {",
r.SrcName(), r.ParamNameTypes(), r.CookieName())
c.Putln("cookie := c.newCookie(false, false)")
c.Putln("c.newRequest(c.%s(%s), cookie)", r.ReqName(), r.ParamNames())
c.Putln("cookie := c.NewCookie(false, false)")
c.Putln("c.NewRequest(%s(c, %s), cookie)", r.ReqName(), r.ParamNames())
c.Putln("return %s{cookie}", r.CookieName())
c.Putln("}")
c.Putln("")
c.Putln("func (c *Conn) %sChecked(%s) %s {",
c.Putln("func %sChecked(c *xgb.Conn, %s) %s {",
r.SrcName(), r.ParamNameTypes(), r.CookieName())
c.Putln("cookie := c.newCookie(true, false)")
c.Putln("c.newRequest(c.%s(%s), cookie)", r.ReqName(), r.ParamNames())
c.Putln("cookie := c.NewCookie(true, false)")
c.Putln("c.NewRequest(%s(c, %s), cookie)", r.ReqName(), r.ParamNames())
c.Putln("return %s{cookie}", r.CookieName())
c.Putln("}")
c.Putln("")
c.Putln("func (cook %s) Check() error {", r.CookieName())
c.Putln("return cook.Cookie.Check()")
c.Putln("}")
c.Putln("")
}
c.Putln("func (cook %s) Check() error {", r.CookieName())
c.Putln("return cook.check()")
c.Putln("}")
c.Putln("")
r.WriteRequest(c)
}
@@ -71,7 +71,7 @@ func (r *Request) ReadReply(c *Context) {
c.Putln("// Waits and reads reply data from request %s", r.SrcName())
c.Putln("func (cook %s) Reply() (*%s, error) {",
r.CookieName(), r.ReplyTypeName())
c.Putln("buf, err := cook.reply()")
c.Putln("buf, err := cook.Cookie.Reply()")
c.Putln("if err != nil {")
c.Putln("return nil, err")
c.Putln("}")
@@ -92,10 +92,10 @@ func (r *Request) ReadReply(c *Context) {
field.Read(c, "v.")
c.Putln("")
if i == 0 {
c.Putln("v.Sequence = Get16(buf[b:])")
c.Putln("v.Sequence = xgb.Get16(buf[b:])")
c.Putln("b += 2")
c.Putln("")
c.Putln("v.Length = Get32(buf[b:]) // 4-byte units")
c.Putln("v.Length = xgb.Get32(buf[b:]) // 4-byte units")
c.Putln("b += 4")
c.Putln("")
}
@@ -107,19 +107,20 @@ func (r *Request) ReadReply(c *Context) {
func (r *Request) WriteRequest(c *Context) {
writeSize := func() {
c.Putln("Put16(buf[b:], uint16(size / 4)) " +
c.Putln("xgb.Put16(buf[b:], uint16(size / 4)) " +
"// write request size in 4-byte units")
c.Putln("b += 2")
c.Putln("")
}
c.Putln("// Write request to wire for %s", r.SrcName())
c.Putln("func (c *Conn) %s(%s) []byte {", r.ReqName(), r.ParamNameTypes())
c.Putln("func %s(c *xgb.Conn, %s) []byte {",
r.ReqName(), r.ParamNameTypes())
c.Putln("size := %s", r.Size(c))
c.Putln("b := 0")
c.Putln("buf := make([]byte, size)")
c.Putln("")
if c.protocol.isExt() {
c.Putln("buf[b] = c.extensions[\"%s\"]",
c.Putln("buf[b] = c.Extensions[\"%s\"]",
strings.ToUpper(c.protocol.ExtXName))
c.Putln("b += 1")
c.Putln("")
@@ -165,7 +166,7 @@ func (r *Request) ParamNames() string {
names = append(names, fmt.Sprintf("%s", field.SrcName()))
}
}
return strings.Join(names, ",")
return strings.Join(names, ", ")
}
func (r *Request) ParamNameTypes() string {
@@ -189,5 +190,5 @@ func (r *Request) ParamNameTypes() string {
fmt.Sprintf("%s %s", field.SrcName(), field.SrcType()))
}
}
return strings.Join(nameTypes, ",")
return strings.Join(nameTypes, ", ")
}

42
nexgb/xgbgen/go_single_field.go
View File

@@ -12,17 +12,17 @@ func (f *SingleField) Define(c *Context) {
func ReadSimpleSingleField(c *Context, name string, typ Type) {
switch t := typ.(type) {
case *Resource:
c.Putln("%s = %s(Get32(buf[b:]))", name, t.SrcName())
c.Putln("%s = %s(xgb.Get32(buf[b:]))", name, t.SrcName())
case *TypeDef:
switch t.Size().Eval() {
case 1:
c.Putln("%s = %s(buf[b])", name, t.SrcName())
case 2:
c.Putln("%s = %s(Get16(buf[b:]))", name, t.SrcName())
c.Putln("%s = %s(xgb.Get16(buf[b:]))", name, t.SrcName())
case 4:
c.Putln("%s = %s(Get32(buf[b:]))", name, t.SrcName())
c.Putln("%s = %s(xgb.Get32(buf[b:]))", name, t.SrcName())
case 8:
c.Putln("%s = %s(Get64(buf[b:]))", name, t.SrcName())
c.Putln("%s = %s(xgb.Get64(buf[b:]))", name, t.SrcName())
}
case *Base:
// If this is a bool, stop short and do something special.
@@ -40,11 +40,11 @@ func ReadSimpleSingleField(c *Context, name string, typ Type) {
case 1:
val = fmt.Sprintf("buf[b]")
case 2:
val = fmt.Sprintf("Get16(buf[b:])")
val = fmt.Sprintf("xgb.Get16(buf[b:])")
case 4:
val = fmt.Sprintf("Get32(buf[b:])")
val = fmt.Sprintf("xgb.Get32(buf[b:])")
case 8:
val = fmt.Sprintf("Get64(buf[b:])")
val = fmt.Sprintf("xgb.Get64(buf[b:])")
}
// We need to convert base types if they aren't uintXX or byte
@@ -71,10 +71,10 @@ func (f *SingleField) Read(c *Context, prefix string) {
ReadSimpleSingleField(c, fmt.Sprintf("%s%s", prefix, f.SrcName()), t)
case *Struct:
c.Putln("%s%s = %s{}", prefix, f.SrcName(), t.SrcName())
c.Putln("b += Read%s(buf[b:], &%s%s)", t.SrcName(), prefix, f.SrcName())
c.Putln("b += %sRead(buf[b:], &%s%s)", t.SrcName(), prefix, f.SrcName())
case *Union:
c.Putln("%s%s = %s{}", prefix, f.SrcName(), t.SrcName())
c.Putln("b += Read%s(buf[b:], &%s%s)", t.SrcName(), prefix, f.SrcName())
c.Putln("b += %sRead(buf[b:], &%s%s)", t.SrcName(), prefix, f.SrcName())
default:
log.Panicf("Cannot read field '%s' with %T type.", f.XmlName(), f.Type)
}
@@ -83,17 +83,17 @@ func (f *SingleField) Read(c *Context, prefix string) {
func WriteSimpleSingleField(c *Context, name string, typ Type) {
switch t := typ.(type) {
case *Resource:
c.Putln("Put32(buf[b:], uint32(%s))", name)
c.Putln("xgb.Put32(buf[b:], uint32(%s))", name)
case *TypeDef:
switch t.Size().Eval() {
case 1:
c.Putln("buf[b] = byte(%s)", name)
case 2:
c.Putln("Put16(buf[b:], uint16(%s))", name)
c.Putln("xgb.Put16(buf[b:], uint16(%s))", name)
case 4:
c.Putln("Put32(buf[b:], uint32(%s))", name)
c.Putln("xgb.Put32(buf[b:], uint32(%s))", name)
case 8:
c.Putln("Put64(buf[b:], uint64(%s))", name)
c.Putln("xgb.Put64(buf[b:], uint64(%s))", name)
}
case *Base:
// If this is a bool, stop short and do something special.
@@ -115,21 +115,21 @@ func WriteSimpleSingleField(c *Context, name string, typ Type) {
}
case 2:
if t.SrcName() != "uint16" {
c.Putln("Put16(buf[b:], uint16(%s))", name)
c.Putln("xgb.Put16(buf[b:], uint16(%s))", name)
} else {
c.Putln("Put16(buf[b:], %s)", name)
c.Putln("xgb.Put16(buf[b:], %s)", name)
}
case 4:
if t.SrcName() != "uint32" {
c.Putln("Put32(buf[b:], uint32(%s))", name)
c.Putln("xgb.Put32(buf[b:], uint32(%s))", name)
} else {
c.Putln("Put32(buf[b:], %s)", name)
c.Putln("xgb.Put32(buf[b:], %s)", name)
}
case 8:
if t.SrcName() != "uint64" {
c.Putln("Put64(buf[b:], uint64(%s))", name)
c.Putln("xgb.Put64(buf[b:], uint64(%s))", name)
} else {
c.Putln("Put64(buf[b:], %s)", name)
c.Putln("xgb.Put64(buf[b:], %s)", name)
}
}
default:
@@ -152,13 +152,13 @@ func (f *SingleField) Write(c *Context, prefix string) {
c.Putln("{")
c.Putln("unionBytes := %s%s.Bytes()", prefix, f.SrcName())
c.Putln("copy(buf[b:], unionBytes)")
c.Putln("b += pad(len(unionBytes))")
c.Putln("b += xgb.Pad(len(unionBytes))")
c.Putln("}")
case *Struct:
c.Putln("{")
c.Putln("structBytes := %s%s.Bytes()", prefix, f.SrcName())
c.Putln("copy(buf[b:], structBytes)")
c.Putln("b += pad(len(structBytes))")
c.Putln("b += xgb.Pad(len(structBytes))")
c.Putln("}")
default:
log.Fatalf("Cannot read field '%s' with %T type.", f.XmlName(), f.Type)

10
nexgb/xgbgen/go_struct.go
View File

@@ -35,7 +35,7 @@ func (s *Struct) Define(c *Context) {
// 'ReadStructName' should only be used to read raw reply data from the wire.
func (s *Struct) Read(c *Context) {
c.Putln("// Struct read %s", s.SrcName())
c.Putln("func Read%s(buf []byte, v *%s) int {", s.SrcName(), s.SrcName())
c.Putln("func %sRead(buf []byte, v *%s) int {", s.SrcName(), s.SrcName())
c.Putln("b := 0")
c.Putln("")
@@ -54,16 +54,16 @@ func (s *Struct) Read(c *Context) {
// the number of bytes read from the byte slice.
func (s *Struct) ReadList(c *Context) {
c.Putln("// Struct list read %s", s.SrcName())
c.Putln("func Read%sList(buf []byte, dest []%s) int {",
c.Putln("func %sReadList(buf []byte, dest []%s) int {",
s.SrcName(), s.SrcName())
c.Putln("b := 0")
c.Putln("for i := 0; i < len(dest); i++ {")
c.Putln("dest[i] = %s{}", s.SrcName())
c.Putln("b += Read%s(buf[b:], &dest[i])", s.SrcName())
c.Putln("b += %sRead(buf[b:], &dest[i])", s.SrcName())
c.Putln("}")
c.Putln("return pad(b)")
c.Putln("return xgb.Pad(b)")
c.Putln("}")
c.Putln("")
@@ -93,7 +93,7 @@ func (s *Struct) WriteList(c *Context) {
c.Putln("for _, item := range list {")
c.Putln("structBytes = item.Bytes()")
c.Putln("copy(buf[b:], structBytes)")
c.Putln("b += pad(len(structBytes))")
c.Putln("b += xgb.Pad(len(structBytes))")
c.Putln("}")
c.Putln("return b")
c.Putln("}")

14
nexgb/xgbgen/go_union.go
View File

@@ -8,7 +8,7 @@ func (u *Union) Define(c *Context) {
c.Putln("// Instead use one of the following constructors for '%s':",
u.SrcName())
for _, field := range u.Fields {
c.Putln("// New%s%s(%s %s) %s", u.SrcName(), field.SrcName(),
c.Putln("// %s%sNew(%s %s) %s", u.SrcName(), field.SrcName(),
field.SrcName(), field.SrcType(), u.SrcName())
}
@@ -40,7 +40,7 @@ func (u *Union) New(c *Context) {
for _, field := range u.Fields {
c.Putln("// Union constructor for %s for field %s.",
u.SrcName(), field.SrcName())
c.Putln("func New%s%s(%s %s) %s {",
c.Putln("func %s%sNew(%s %s) %s {",
u.SrcName(), field.SrcName(), field.SrcName(),
field.SrcType(), u.SrcName())
c.Putln("var b int")
@@ -66,7 +66,7 @@ func (u *Union) New(c *Context) {
func (u *Union) Read(c *Context) {
c.Putln("// Union read %s", u.SrcName())
c.Putln("func Read%s(buf []byte, v *%s) int {", u.SrcName(), u.SrcName())
c.Putln("func %sRead(buf []byte, v *%s) int {", u.SrcName(), u.SrcName())
c.Putln("var b int")
c.Putln("")
for _, field := range u.Fields {
@@ -81,14 +81,14 @@ func (u *Union) Read(c *Context) {
func (u *Union) ReadList(c *Context) {
c.Putln("// Union list read %s", u.SrcName())
c.Putln("func Read%sList(buf []byte, dest []%s) int {",
c.Putln("func %sReadList(buf []byte, dest []%s) int {",
u.SrcName(), u.SrcName())
c.Putln("b := 0")
c.Putln("for i := 0; i < len(dest); i++ {")
c.Putln("dest[i] = %s{}", u.SrcName())
c.Putln("b += Read%s(buf[b:], &dest[i])", u.SrcName())
c.Putln("b += %sRead(buf[b:], &dest[i])", u.SrcName())
c.Putln("}")
c.Putln("return pad(b)")
c.Putln("return xgb.Pad(b)")
c.Putln("}")
c.Putln("")
}
@@ -121,7 +121,7 @@ func (u *Union) WriteList(c *Context) {
c.Putln("for _, item := range list {")
c.Putln("unionBytes = item.Bytes()")
c.Putln("copy(buf[b:], unionBytes)")
c.Putln("b += pad(len(unionBytes))")
c.Putln("b += xgb.Pad(len(unionBytes))")
c.Putln("}")
c.Putln("return b")
c.Putln("}")

24
nexgb/xgbgen/protocol.go
View File

@@ -1,6 +1,7 @@
package main
import (
"log"
"strings"
)
@@ -9,6 +10,7 @@ import (
// if this protocol imports other other extensions. The import relationship
// is recursive.
type Protocol struct {
Parent *Protocol
Name string
ExtXName string
ExtName string
@@ -33,6 +35,28 @@ func (p *Protocol) Initialize() {
}
}
// PkgName returns the name of this package.
// i.e., 'xproto' for the core X protocol, 'randr' for the RandR extension, etc.
func (p *Protocol) PkgName() string {
return strings.Replace(p.Name, "_", "", -1)
}
// ProtocolGet searches the current context for the protocol with the given
// name. (i.e., the current protocol and its imports.)
// It is an error if one is not found.
func (p *Protocol) ProtocolFind(name string) *Protocol {
if p.Name == name {
return p // that was easy
}
for _, imp := range p.Imports {
if imp.Name == name {
return imp
}
}
log.Panicf("Could not find protocol with name '%s'.", name)
panic("unreachable")
}
// isExt returns true if this protocol is an extension.
// i.e., it's name isn't "xproto".
func (p *Protocol) isExt() bool {

3
nexgb/xgbgen/request_reply.go
View File

@@ -3,7 +3,6 @@ package main
import (
"fmt"
"log"
"strings"
"unicode"
)
@@ -23,7 +22,7 @@ type Request struct {
func (r *Request) Initialize(p *Protocol) {
r.srcName = SrcName(p, r.xmlName)
if p.isExt() {
r.srcName = strings.Title(strings.ToLower(p.Name)) + r.srcName
r.srcName = r.srcName
}
if r.Reply != nil {

36
nexgb/xgbgen/translation.go
View File

@@ -18,8 +18,9 @@ import (
"strings"
)
func (xml *XML) Translate() *Protocol {
func (xml *XML) Translate(parent *Protocol) *Protocol {
protocol := &Protocol{
Parent: parent,
Name: xml.Header,
ExtXName: xml.ExtensionXName,
ExtName: xml.ExtensionName,
@@ -33,7 +34,8 @@ func (xml *XML) Translate() *Protocol {
for _, imp := range xml.Imports {
if imp.xml != nil {
protocol.Imports = append(protocol.Imports, imp.xml.Translate())
protocol.Imports = append(protocol.Imports,
imp.xml.Translate(protocol))
}
}
@@ -209,7 +211,7 @@ func (x *XMLRequest) Translate() *Request {
// The XML protocol description references 'string_len' in the
// computation of the 'odd_length' field. However, 'string_len' is not
// defined. Therefore, let's forcefully add it as a 'local field'.
// (i.e., a parameter in the caller but does not get send over the wire.)
// (i.e., a parameter in the caller but does not get sent over the wire.)
if x.Name == "QueryTextExtents" {
stringLenLocal := &LocalField{&SingleField{
xmlName: "string_len",
@@ -399,27 +401,15 @@ func TypeSrcName(p *Protocol, typ Type) string {
if colon := strings.Index(t, ":"); colon > -1 {
namespace := t[:colon]
rest := t[colon+1:]
return splitAndTitle(namespace) + splitAndTitle(rest)
return p.ProtocolFind(namespace).PkgName() + "." + splitAndTitle(rest)
}
// Since there is no namespace, we need to look for a namespace
// in the current context.
niceType := splitAndTitle(t)
if p.isExt() {
for _, typ2 := range p.Types {
if t == typ2.XmlName() {
return strings.Title(p.Name) + niceType
}
}
for _, imp := range p.Imports {
for _, typ2 := range imp.Types {
if t == typ2.XmlName() {
return strings.Title(imp.Name) + niceType
}
}
}
// Since there's no namespace, we're left with the raw type name.
// If the type is part of the source we're generating (i.e., there is
// no parent protocol), then just return that type name.
// Otherwise, we must qualify it with a package name.
if p.Parent == nil {
return splitAndTitle(t)
}
// We couldn't find one, so return it without a prefix.
return niceType
return p.PkgName() + "." + splitAndTitle(t)
}