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unions, events and errors... oh my

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This commit is contained in:
Andrew Gallant (Ocelot)
2012-05-01 01:08:03 -04:00
parent 73154769b3
commit 83a71d4648
8 changed files with 317 additions and 38 deletions
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36
nexgb/xgbgen/go_single_field.go
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@@ -25,6 +25,16 @@ func ReadSimpleSingleField(c *Context, name string, typ Type) {
c.Putln("%s = %s(get64(buf[b:]))", name, t.SrcName())
}
case *Base:
// If this is a bool, stop short and do something special.
if t.SrcName() == "bool" {
c.Putln("if buf[b] == 1 {")
c.Putln("%s = true", name)
c.Putln("} else {")
c.Putln("%s = false", name)
c.Putln("}")
break
}
var val string
switch t.Size().Eval() {
case 1:
@@ -44,7 +54,7 @@ func ReadSimpleSingleField(c *Context, name string, typ Type) {
}
c.Putln("%s = %s", name, val)
default:
log.Fatalf("Cannot read field '%s' as a simple field with %T type.",
log.Panicf("Cannot read field '%s' as a simple field with %T type.",
name, typ)
}
@@ -62,9 +72,11 @@ func (f *SingleField) Read(c *Context) {
case *Struct:
c.Putln("v.%s = %s{}", f.SrcName(), t.SrcName())
c.Putln("b += Read%s(buf[b:], &v.%s)", t.SrcName(), f.SrcName())
c.Putln("")
case *Union:
c.Putln("v.%s = %s{}", f.SrcName(), t.SrcName())
c.Putln("b += Read%s(buf[b:], &v.%s)", t.SrcName(), f.SrcName())
default:
log.Fatalf("Cannot read field '%s' with %T type.", f.XmlName(), f.Type)
log.Panicf("Cannot read field '%s' with %T type.", f.XmlName(), f.Type)
}
}
@@ -84,6 +96,16 @@ func WriteSimpleSingleField(c *Context, name string, typ Type) {
c.Putln("put64(buf[b:], uint64(%s))", name)
}
case *Base:
// If this is a bool, stop short and do something special.
if t.SrcName() == "bool" {
c.Putln("if %s {", name)
c.Putln("buf[b] = 1")
c.Putln("} else {")
c.Putln("buf[b] = 0")
c.Putln("}")
break
}
switch t.Size().Eval() {
case 1:
if t.SrcName() != "byte" {
@@ -126,11 +148,17 @@ func (f *SingleField) Write(c *Context) {
ReadSimpleSingleField(c, fmt.Sprintf("v.%s", f.SrcName()), t)
case *Base:
ReadSimpleSingleField(c, fmt.Sprintf("v.%s", f.SrcName()), t)
case *Union:
c.Putln("{")
c.Putln("unionBytes := v.%s.Bytes()", f.SrcName())
c.Putln("copy(buf[b:], unionBytes)")
c.Putln("b += pad(len(unionBytes))")
c.Putln("}")
case *Struct:
c.Putln("{")
c.Putln("structBytes := v.%s.Bytes()", f.SrcName())
c.Putln("copy(buf[b:], structBytes)")
c.Putln("b += len(structBytes)")
c.Putln("b += pad(len(structBytes))")
c.Putln("}")
default:
log.Fatalf("Cannot read field '%s' with %T type.", f.XmlName(), f.Type)