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Update calmh/xdr

This commit is contained in:
Jakob Borg 2014-12-06 14:20:49 +01:00
parent c6041d2590
commit 15251dfae1
2 changed files with 63 additions and 51 deletions
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2
Godeps/Godeps.json generated
View File

@ -23,7 +23,7 @@
},
{
"ImportPath": "github.com/calmh/xdr",
"Rev": "ec3d404f43731551258977b38dd72cf557d00398"
"Rev": "45c46b7db7ff83b8b9ee09bbd95f36ab50043ece"
},
{
"ImportPath": "github.com/juju/ratelimit",

112
Godeps/_workspace/src/github.com/calmh/xdr/cmd/genxdr/main.go generated vendored
View File

@ -11,6 +11,8 @@ import (
"go/format"
"go/parser"
"go/token"
"io"
"log"
"os"
"regexp"
"strconv"
@ -269,7 +271,7 @@ func handleStruct(t *ast.StructType) []fieldInfo {
return fs
}
func generateCode(s structInfo) {
func generateCode(output io.Writer, s structInfo) {
name := s.Name
fs := s.Fields
@ -286,7 +288,7 @@ func generateCode(s structInfo) {
if err != nil {
panic(err)
}
fmt.Println(string(bs))
fmt.Fprintln(output, string(bs))
}
func uncamelize(s string) string {
@ -295,16 +297,16 @@ func uncamelize(s string) string {
})
}
func generateDiagram(s structInfo) {
func generateDiagram(output io.Writer, s structInfo) {
sn := s.Name
fs := s.Fields
fmt.Println(sn + " Structure:")
fmt.Println()
fmt.Println(" 0 1 2 3")
fmt.Println(" 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1")
fmt.Fprintln(output, sn+" Structure:")
fmt.Fprintln(output)
fmt.Fprintln(output, " 0 1 2 3")
fmt.Fprintln(output, " 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1")
line := "+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+"
fmt.Println(line)
fmt.Fprintln(output, line)
for _, f := range fs {
tn := f.FieldType
@ -312,52 +314,52 @@ func generateDiagram(s structInfo) {
name := uncamelize(f.Name)
if sl {
fmt.Printf("| %s |\n", center("Number of "+name, 61))
fmt.Println(line)
fmt.Fprintf(output, "| %s |\n", center("Number of "+name, 61))
fmt.Fprintln(output, line)
}
switch tn {
case "bool":
fmt.Printf("| %s |V|\n", center(name+" (V=0 or 1)", 59))
fmt.Println(line)
fmt.Fprintf(output, "| %s |V|\n", center(name+" (V=0 or 1)", 59))
fmt.Fprintln(output, line)
case "uint16":
fmt.Printf("| %s | %s |\n", center("0x0000", 29), center(name, 29))
fmt.Println(line)
fmt.Fprintf(output, "| %s | %s |\n", center("0x0000", 29), center(name, 29))
fmt.Fprintln(output, line)
case "uint32":
fmt.Printf("| %s |\n", center(name, 61))
fmt.Println(line)
fmt.Fprintf(output, "| %s |\n", center(name, 61))
fmt.Fprintln(output, line)
case "int64", "uint64":
fmt.Printf("| %-61s |\n", "")
fmt.Printf("+ %s +\n", center(name+" (64 bits)", 61))
fmt.Printf("| %-61s |\n", "")
fmt.Println(line)
fmt.Fprintf(output, "| %-61s |\n", "")
fmt.Fprintf(output, "+ %s +\n", center(name+" (64 bits)", 61))
fmt.Fprintf(output, "| %-61s |\n", "")
fmt.Fprintln(output, line)
case "string", "byte": // XXX We assume slice of byte!
fmt.Printf("| %s |\n", center("Length of "+name, 61))
fmt.Println(line)
fmt.Printf("/ %61s /\n", "")
fmt.Printf("\\ %s \\\n", center(name+" (variable length)", 61))
fmt.Printf("/ %61s /\n", "")
fmt.Println(line)
fmt.Fprintf(output, "| %s |\n", center("Length of "+name, 61))
fmt.Fprintln(output, line)
fmt.Fprintf(output, "/ %61s /\n", "")
fmt.Fprintf(output, "\\ %s \\\n", center(name+" (variable length)", 61))
fmt.Fprintf(output, "/ %61s /\n", "")
fmt.Fprintln(output, line)
default:
if sl {
tn = "Zero or more " + tn + " Structures"
fmt.Printf("/ %s /\n", center("", 61))
fmt.Printf("\\ %s \\\n", center(tn, 61))
fmt.Printf("/ %s /\n", center("", 61))
fmt.Fprintf(output, "/ %s /\n", center("", 61))
fmt.Fprintf(output, "\\ %s \\\n", center(tn, 61))
fmt.Fprintf(output, "/ %s /\n", center("", 61))
} else {
fmt.Printf("| %s |\n", center(tn, 61))
fmt.Fprintf(output, "| %s |\n", center(tn, 61))
}
fmt.Println(line)
fmt.Fprintln(output, line)
}
}
fmt.Println()
fmt.Println()
fmt.Fprintln(output)
fmt.Fprintln(output)
}
func generateXdr(s structInfo) {
func generateXdr(output io.Writer, s structInfo) {
sn := s.Name
fs := s.Fields
fmt.Printf("struct %s {\n", sn)
fmt.Fprintf(output, "struct %s {\n", sn)
for _, f := range fs {
tn := f.FieldType
@ -373,21 +375,21 @@ func generateXdr(s structInfo) {
switch tn {
case "uint16", "uint32":
fmt.Printf("\tunsigned int %s%s;\n", fn, suf)
fmt.Fprintf(output, "\tunsigned int %s%s;\n", fn, suf)
case "int64":
fmt.Printf("\thyper %s%s;\n", fn, suf)
fmt.Fprintf(output, "\thyper %s%s;\n", fn, suf)
case "uint64":
fmt.Printf("\tunsigned hyper %s%s;\n", fn, suf)
fmt.Fprintf(output, "\tunsigned hyper %s%s;\n", fn, suf)
case "string":
fmt.Printf("\tstring %s<%s>;\n", fn, l)
fmt.Fprintf(output, "\tstring %s<%s>;\n", fn, l)
case "byte":
fmt.Printf("\topaque %s<%s>;\n", fn, l)
fmt.Fprintf(output, "\topaque %s<%s>;\n", fn, l)
default:
fmt.Printf("\t%s %s%s;\n", tn, fn, suf)
fmt.Fprintf(output, "\t%s %s%s;\n", tn, fn, suf)
}
}
fmt.Println("}")
fmt.Println()
fmt.Fprintln(output, "}")
fmt.Fprintln(output)
}
func center(s string, w int) string {
@ -418,25 +420,35 @@ func inspector(structs *[]structInfo) func(ast.Node) bool {
}
func main() {
outputFile := flag.String("o", "", "Output file, blank for stdout")
flag.Parse()
fname := flag.Arg(0)
fset := token.NewFileSet()
f, err := parser.ParseFile(fset, fname, nil, parser.ParseComments)
if err != nil {
panic(err)
log.Fatal(err)
}
var structs []structInfo
i := inspector(&structs)
ast.Inspect(f, i)
headerTpl.Execute(os.Stdout, map[string]string{"Package": f.Name.Name})
var output io.Writer = os.Stdout
if *outputFile != "" {
fd, err := os.Create(*outputFile)
if err != nil {
log.Fatal(err)
}
output = fd
}
headerTpl.Execute(output, map[string]string{"Package": f.Name.Name})
for _, s := range structs {
fmt.Printf("\n/*\n\n")
generateDiagram(s)
generateXdr(s)
fmt.Printf("*/\n")
generateCode(s)
fmt.Fprintf(output, "\n/*\n\n")
generateDiagram(output, s)
generateXdr(output, s)
fmt.Fprintf(output, "*/\n")
generateCode(output, s)
}
}