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package eg // This file defines the AST rewriting pass. // Most of it was plundered directly from // $GOROOT/src/cmd/gofmt/rewrite.go (after convergent evolution). import ( "fmt" "go/ast" "go/token" "os" "reflect" "sort" "strconv" "strings" "code.google.com/p/go.tools/astutil" "code.google.com/p/go.tools/g...
Go
// Package eg implements the example-based refactoring tool whose // command-line is defined in code.google.com/p/go.tools/cmd/eg. package eg import ( "bytes" "fmt" "go/ast" "go/printer" "go/token" "os" "code.google.com/p/go.tools/go/loader" "code.google.com/p/go.tools/go/types" ) const Help = ` This tool im...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package present import ( "errors" "regexp" "strconv" "unicode/utf8" ) // This file is stolen from go/src/cmd/godoc/codewalk.go. // It's an evaluator for t...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package present import ( "fmt" "log" "net/url" "strings" ) func init() { Register("link", parseLink) } type Link struct { URL *url.URL Label string ...
Go
// Copyright 2013 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package present import ( "fmt" "strings" ) func init() { Register("iframe", parseIframe) } type Iframe struct { URL string Width int Height int } ...
Go
package present import ( "errors" "html/template" "path/filepath" "strings" ) func init() { Register("html", parseHTML) } func parseHTML(ctx *Context, fileName string, lineno int, text string) (Elem, error) { p := strings.Fields(text) if len(p) != 2 { return nil, errors.New("invalid .html args") } name :=...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package present import ( "fmt" "strings" ) func init() { Register("image", parseImage) } type Image struct { URL string Width int Height int } fun...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package present import ( "bufio" "bytes" "fmt" "html/template" "path/filepath" "regexp" "strconv" "strings" ) // Is the playground available? var Play...
Go
// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package present import ( "bytes" "html" "html/template" "strings" "unicode" "unicode/utf8" ) /* Fonts are demarcated by an initial and final char brack...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package present import ( "bufio" "bytes" "errors" "fmt" "html/template" "io" "io/ioutil" "log" "net/url" "regexp" "strings" "time" "unicode" "uni...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. /* The present file format Present files have the following format. The first non-blank non-comment line is the title, so the header looks like Title of doc...
Go
package typeapply import ( "reflect" "sync" ) var ( typeMutex sync.Mutex // tmap stores a map for every target type (the // argument type of the function passed to Do). // For each target type, we use this to cache // information about how to traverse values // of all types that have been passed to Do // (a...
Go
// The fakenet package provides a way to turn a regular io.ReadWriter // into a net.Conn, including support for timeouts. package fakenet import ( "io" "net" "time" ) type Addr string func (a Addr) Network() string { return "fakenet" } func (a Addr) String() string { return "fakenet:" + string(a) } // we've g...
Go
package fakenet import ( "errors" "io" "runtime" "sync" "time" ) // A ChanReader reads from a chan []byte to // satisfy Read requests. type ChanReader struct { mu sync.Mutex buf []byte c <-chan []byte closedCh chan bool closed bool } // NewChanReader creates a new ChanReader that // rea...
Go
package fakenet import ( "io" "net" ) type listener struct { addr net.Addr closedCh chan bool conns chan net.Conn } // NewListener creates a new net.Listener and returns a channel on which // it reads connections and gives to callers of Accept. The Listener // returns addr for its address (or Addr("fake...
Go
// The parallel package provides a way of running functions // concurrently while limiting the maximum number // running at once. package parallel import ( "fmt" "sync" ) // Run represents a number of functions running concurrently. type Run struct { limiter chan struct{} done chan error err chan error w...
Go
package loopback import ( "errors" "io" "net" "time" ) // NetPipe creates a synchronous, in-memory, full duplex // network connection; both ends implement the net.Conn interface. // The opt0 options apply to the traffic from c0 to c1; // the opt1 options apply to the traffic from c1 to c0. func NetPipe(opt0, opt1...
Go
package loopback import ( "code.google.com/p/rog-go/fakenet" "io" "net" ) // Dial is the same as net.Dial except that it also recognises // networks with the prefix "loopback:"; it removes // the prefix, dials the original network, and then applies // the given loopback Options. Incoming data has inOpts // applied...
Go
package loopback import ( "errors" "io" "log" "sync" "time" ) // TODO implement CloseWithError. // BUG close propagates faster than latency time. // send close as a block with nil data. type block struct { // t holds the time that the block is due to emerge into the // input queue. t time.Time data []byt...
Go
package loopback import ( "bytes" "errors" "fmt" "io" "strings" "time" "unicode" ) var errEmpty = errors.New("empty") func parseNetwork(net string) (inOpts, outOpts Options, actualNet string, err error) { if net == "" { err = errors.New("empty network name") return } if net[0] != '[' { actualNet = ne...
Go
// The ncrpc package layers client-server and server-client // RPC interfaces on top of netchan. package ncrpc import ( "code.google.com/p/rog-go/ncnet" "errors" "fmt" "io" "log" "net" "net/rpc" "netchan" "sync" ) type Server struct { Exporter *netchan.Exporter RPCServer *rpc.Server mu sync.Mutex ...
Go
package reverse import ( "bufio" "errors" "io" ) const maxBufSize = 64 * 1024 // Scanner presents the same interface as bufio.Scanner // except it scans tokens in reverse from the end of // a file instead of forwards from the beginning. // // It may not work correctly if the split function can return an // error ...
Go
package values import ( "fmt" "reflect" ) // A Lens can transform from values of type T to values // of type T1. It can be reversed to transform in the // other direction, and be combined with other Lenses. // type Lens struct { f, finv func(reflect.Value) (reflect.Value, error) t, t1 reflect.Type } func okTra...
Go
package values import ( "errors" "reflect" ) // NewConst returns a Value of type t which always returns the value v, // and gives an error when set. func NewConst(val interface{}, t reflect.Type) Value { if t == nil { return &constValue{reflect.ValueOf(val)} } v := &constValue{reflect.New(t).Elem()} v.val.Set...
Go
// The values package provides multiple-writer, // multiple-listener access to changing values. // It also provides (through the Transform function // and the Lens type) the facility to have multiple, // mutually updating views of the same value. // package values import ( "reflect" "sync" ) // A Value represents a...
Go
package values import ( "errors" "fmt" ) // Float64ToString returns a Lens which transforms from float64 // to string. The given formats are used to effect the conversion; // fmt.Sprintf(printf, x) is used to convert the float64 value x to string; // fmt.Sscanf(s, scanf, &x) is used to scan the string s into the fl...
Go
package client import ( "errors" "fmt" "io" "io/ioutil" "os" "runtime" "strings" "sync" //"log" "bytes" plan9 "code.google.com/p/rog-go/new9p" ) func getuser() string { return os.Getenv("USER") } type Fid struct { c *Conn qid plan9.Qid fid uint32 mode uint8 flags uint8 // fOpen | fAlloc...
Go
package client import ( "errors" plan9 "code.google.com/p/rog-go/new9p" ) type Fsys struct { Root *Fid } func (c *Conn) Auth(uname, aname string) (*Fid, error) { afid, err := c.getfid() if err != nil { return nil, err } afid.flags |= fPending tx := &plan9.Fcall{Type: plan9.Tauth, Afid: afid.fid, Uname: un...
Go
package client import ( "net" "os" ) func Dial(network, addr string) (*Conn, error) { c, err := net.Dial(network, addr) if err != nil { return nil, err } return NewConn(c) } func DialService(service string) (*Conn, error) { ns := os.Getenv("NAMESPACE") if ns == "" { return nil, Error("unknown name space"...
Go
package client import ( "fmt" "io" "log" "os" "sync" plan9 "code.google.com/p/rog-go/new9p" ) type Error string func (e Error) Error() string { return string(e) } type Conn struct { rwc io.ReadWriteCloser err error tagmap map[uint16]chan *plan9.Fcall freetag map[uint16]bool freefid map[uint32]b...
Go
package client import ( "code.google.com/p/rog-go/new9p/seq" "container/list" "io" "log" "sync" ) type readResult struct { buf []byte err error } type streamReader struct { c chan readResult reply chan bool buf []byte done bool } func (cr *streamReader) Read(buf []byte) (int, error) { if cr.done ...
Go
package client import ( "errors" "fmt" //"log" plan9 "code.google.com/p/rog-go/new9p" "code.google.com/p/rog-go/new9p/seq" "container/list" ) func (fid *Fid) File() seq.File { return (*file9p)(fid) } type file9p Fid type filesys9p Conn type seq9p struct { c *Conn tag uint16 err error // access to the r...
Go
package client import ( plan9 "code.google.com/p/rog-go/new9p" "code.google.com/p/rog-go/new9p/seq" "errors" "fmt" "io" "strings" ) type Ns struct { Root *NsFile Dot *NsFile } type NsFile struct { offset int64 f seq.File } type nsResultType bool type OpResults []seq.Result func (OpResults) Rtype() ...
Go
package plan9 import ( "fmt" "io" "strconv" ) type ProtocolError string func (e ProtocolError) Error() string { return string(e) } const ( STATMAX = 65535 ) type Dir struct { Type uint16 Dev uint32 Qid Qid Mode Perm Atime uint32 Mtime uint32 Length uint64 Name string Uid string Gid ...
Go
package plan9 import ( "fmt" "io" ) const ( IOHDRSIZE = 24 ) type Fcall struct { Type uint8 Tag uint16 Fid uint32 // All T messages except Tversion, Tflush, Tbegin and Tend Msize uint32 // Tversion, Rversion Version string // Tversion, Rversion Oldtag uint16 // Tflush Ename string ...
Go
package plan9 const ( VERSION9P = "9P2000" MAXWELEM = 16 OREAD = 0 OWRITE = 1 ORDWR = 2 OEXEC = 3 OTRUNC = 16 OCEXEC = 32 ORCLOSE = 64 ODIRECT = 128 ONONBLOCK = 256 OEXCL = 0x1000 OLOCK = 0x2000 OAPPEND = 0x4000 AEXIST = 0 AEXEC = 1 AWRITE = 2 AREAD = 4 QTDIR...
Go
package main import ( "fmt" "io" "os" "code.google.com/p/goplan9/plan9" "code.google.com/p/goplan9/plan9/client" ) func main() { fsys, err := client.MountService("acme") if err != nil { panic(err) } fid, err := fsys.Open("index", plan9.OREAD) if err != nil { panic(err) } fid.Write([]byte("hello, wo...
Go
package main import ( g9p "code.google.com/p/rog-go/new9p" g9pc "code.google.com/p/rog-go/new9p/client" "flag" "fmt" "io" "io/ioutil" "log" "os" ) var old = flag.Bool("old", false, "use old 9p operations") var fs *g9pc.Fsys var ns *g9pc.Ns var sum = make(chan int64) func main() { log.SetOutput(nullWriter{})...
Go
package main // An interactive client for 9P servers. import ( "bufio" g9p "code.google.com/p/rog-go/new9p" g9pc "code.google.com/p/rog-go/new9p/client" "code.google.com/p/rog-go/new9p/seq" "flag" "fmt" "io" "io/ioutil" "log" "os" "path" "strconv" "strings" ) var addr = flag.String("addr", "127.0.0.1:56...
Go
package seq import ( plan9 "code.google.com/p/rog-go/new9p" "errors" ) type Req interface { Ttype() interface{} } type Result interface { Rtype() interface{} } type CompositeReq interface { Req Do(seq *Sequencer, f File) error // executes action. must result in one result. } type BasicReq interface { Req b...
Go
package seq import ( "bytes" "fmt" "log" "runtime" "sync" ) type mainSeq struct { mu sync.Mutex newRequest chan<- seqRequest newSeq <-chan Sequence newFs chan<- FileSys currSeq Sequence shutdown bool done chan error reentrantCheck chan bool } type Sequencer struct { error ...
Go
package plan9 func gbit8(b []byte) (uint8, []byte) { return uint8(b[0]), b[1:] } func gbool(b []byte) (bool, []byte) { return b[0] != 0, b[1:] } func gbit16(b []byte) (uint16, []byte) { return uint16(b[0]) | uint16(b[1])<<8, b[2:] } func gbit32(b []byte) (uint32, []byte) { return uint32(b[0]) | uint32(b[1])<<8 ...
Go
package breader import ( "io" "io/ioutil" "os" ) type bufferedReader struct { req chan []byte reply chan int tmpf *os.File error error } const ioUnit = 16 * 1024 // NewReader continually reads from in and buffers the data // inside a temporary file (created with ioutil.TempFile(dir, prefix)). // It return...
Go
// The stringfs package provides a way to recursively encode the // data in a directory as a string, and to extract the contents later. package stringfs import ( "bytes" "encoding/binary" "encoding/gob" "errors" "os" "strings" "sync" ) // The file system encoding uses gob to encode the // metadata. // It takes...
Go
// The deepcopy package implements deep copying of arbitrary // data structures, making sure that self references and shared pointers // are preserved. package deepcopy import ( "fmt" "reflect" "sync" "unsafe" ) // basic copy algorithm: // 1) recursively scan object, building up a list of all allocated // memory ...
Go
// +build ignore package main import ( "errors" "fmt" "os" "local/foo.bar" ) func errorHandler(err *error) {} // doScan does the real work for scanning without a format string. func doScan(a []interface{}) (numProcessed int, err error) { defer errorHandler(&err) return } func main() { testProg() } func te...
Go
package main import ( "fmt" "go/token" "reflect" "unsafe" "code.google.com/p/go.tools/go/ssa" "code.google.com/p/go.tools/oracle" ) func (ctxt *context) callees(inst *ssa.Call) ([]*ssa.Function, error) { pos := ctxt.lprog.Fset.Position(inst.Pos()) if pos.Line <= 0 { return nil, fmt.Errorf("no position") }...
Go
package main import ( "errors" "flag" "fmt" "io" "log" "os" "regexp" "go/token" "code.google.com/p/go.tools/go/loader" "code.google.com/p/go.tools/go/ssa" "code.google.com/p/go.tools/go/types" "code.google.com/p/go.tools/oracle" "github.com/davecgh/go-spew/spew" ) var spewConf = spew.ConfigState{ Inden...
Go
package key // Mapping holds a set of unique keys corresponding // to Hasher values. type Mapping struct { keys map[uint64]*entry } // Hasher represents a value that can be used as a map key. type Hasher interface { Hashcode() uint64 Equals(m Hasher) bool } type entry struct { mkey Hasher key Key next *entry ...
Go
// Timestamp recording (for debugging). package stamp import ( "bytes" "fmt" "sort" "sync" "time" ) type stamp struct { msg string t int64 } var mu sync.Mutex type stampVector []stamp var stamps = make(stampVector, 0, 100) // AddTime records a timestamp at the given time. func AddTime(msg string, t int64...
Go
// package filemarshal import ( "code.google.com/p/rog-go/typeapply" "errors" "io" "io/ioutil" "os" ) // A File holds on-disk storage. type File struct { Name string // The name of the file. file *os.File } // NewFile creates a new file referring to f, // which should be seekable (i.e. not a pipe // or netwo...
Go
package gobrpc import ( "code.google.com/p/rog-go/exp/filemarshal" "io" "net/rpc" ) type clientCodec struct { c io.Closer enc filemarshal.Encoder dec filemarshal.Decoder } func NewClientCodec(conn io.ReadWriteCloser, enc filemarshal.Encoder, dec filemarshal.Decoder) rpc.ClientCodec { return &clientCodec{con...
Go
package main import ( "encoding/json" "fmt" "os" "sort" "time" ) type Stat struct { Delay time.Duration Connect time.Duration Latency []time.Duration Error string `json:"omitempty"` } type Info struct { Stats []Stat Total time.Duration } func main() { var info Info err := json.NewDecoder(os.Stdin)....
Go
package main import ( "bytes" "code.google.com/p/rog-go/exp/go/ast" "code.google.com/p/rog-go/exp/go/parser" "code.google.com/p/rog-go/exp/go/printer" "code.google.com/p/rog-go/exp/go/token" "code.google.com/p/rog-go/exp/go/types" "errors" "flag" "fmt" "go/build" "io/ioutil" "os" "path/filepath" "runtime...
Go
package main import ( "code.google.com/p/goplan9/plan9/acme" "fmt" "io" "os" "os/user" "strconv" "strings" ) type acmeFile struct { name string body []byte offset int runeOffset int } func acmeCurrentFile() (*acmeFile, error) { win, err := acmeCurrentWin() if err != nil { return nil, e...
Go
// Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. /* Godef prints the source location of definitions in Go programs. Usage: godef [-t] [-a] [-A] [-o offset] [-i] [-f file][-acme] [expr] File specifies the ...
Go
// The gosym command manipulates symbols in Go source code. // It supports the following commands: // // gosym short // // The short command reads lines from standard input // in short or long format (see the list command) and // prints them in short format: // file-position name new-name // The file-position field h...
Go
package main import ( "code.google.com/p/rog-go/exp/go/ast" "code.google.com/p/rog-go/exp/go/token" "fmt" "regexp" "strconv" "strings" ) type symLine struct { pos token.Position // file address of identifier; addr.Offset is zero. referPos token.Position // file address of referred-to identifier. long ...
Go
package test import "other" func %test test X func+%X() { %test test x var+%x := 0 for %test test i var+%i := 0; %test test i var%i < %test test x var%x; %test test i var%i++ { %test test i var+%i := %test test i var%i %test test x var%x += %test test i var%i } other.%test other Println func%Println(%test test...
Go
package main import ( "code.google.com/p/rog-go/exp/go/ast" "code.google.com/p/rog-go/exp/go/sym" "code.google.com/p/rog-go/exp/go/token" "fmt" "log" ) type writeCmd struct { *context // lines holds all input lines. lines map[token.Position]*symLine // symPkgs holds packages that are mentioned in input //...
Go
package main import ( "code.google.com/p/rog-go/exp/go/ast" "code.google.com/p/rog-go/exp/go/sym" "code.google.com/p/rog-go/exp/go/types" "flag" "fmt" "log" "strings" "unicode" ) type listCmd struct { all bool verbose bool printType bool kinds string ctxt *context } var listAbout = ` go...
Go
package main import ( "bufio" "code.google.com/p/rog-go/exp/go/token" "fmt" "io" "log" "os" "strings" "unicode" ) func readLines(f func(sl *symLine) error) error { r := bufio.NewReader(os.Stdin) for { line, isPrefix, err := r.ReadLine() if err == io.EOF { break } if err != nil { return fmt.Err...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "bytes" "flag" "fmt" "go/ast" "go/format" "go/parser" "go/scanner" "go/token" "io/ioutil" "os" "os/exec" "path/filepath" "so...
Go
package main import ( "fmt" "go/ast" "go/token" "log" "path" "strconv" "strings" ) func init() { register(causeFix) register(maskFix) register(newFix) } const errgoPkgPath = "github.com/juju/errgo" var maskFix = fix{ "errgo-mask", "2014-02-10", errgoMask, `wrap all returned errors; use errgo for all e...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "fmt" "go/ast" "go/parser" "go/token" "os" "path" "reflect" "strconv" "strings" ) type fix struct { name string date string ...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "fmt" "go/ast" "go/token" "os" "reflect" "strings" ) // Partial type checker. // // The fact that it is partial is very important...
Go
// Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. /* Fix finds Go programs that use old APIs and rewrites them to use newer ones. After you update to a new Go release, fix helps make the necessary changes to y...
Go
// ulimit -n 30000 package main import ( "bytes" "code.google.com/p/go.net/websocket" "encoding/json" "fmt" "io" "log" "net/http" "os" "strconv" "sync" "time" ) func echoServer(ws *websocket.Conn) { io.Copy(ws, ws) } type Stat struct { Delay time.Duration Connect time.Duration Latency []time.Duratio...
Go
package abc import ( "container/vector" "fmt" "os" "reflect" "strconv" "strings" "text/scanner" ) type Type struct { Name string Mux bool Test func(interface{}) bool } var StringT = &Type{ "string", true, IsType(""), } type Gender bool const ( Male = Gender(false) Female = Gender(true) ) type So...
Go
package abc import ( "fmt" "sync" ) var StatusT = &Type{ "status", true, IsType((*StatusManager)(nil)), } type StatusManager struct { lock sync.Mutex running int waiting int wakeup chan bool } type Status struct { m *StatusManager } func (m *StatusManager) Go(fn func(status *Status)) { m.lock.Lock()...
Go
package abc import ( "container/vector" "fmt" "strconv" ) // transform ADT into a set of commands type tContext struct { *context cmds *vector.Vector } func (ctxt *context) transform(a *assign, cmds *vector.Vector) { tctxt := &tContext{context: ctxt, cmds: cmds} tctxt.transformAssign(a) fmt.Println("done tr...
Go
package basic import ( "code.google.com/p/rog-go/exp/abc" "io" "os" ) func init() { abc.Register("stdin", map[string]abc.Socket{ "out": abc.Socket{FdT, abc.Male}, }, makeStdin) } func makeStdin(_ *abc.Status, args map[string]interface{}) abc.Widget { out := NewFd() args["out"].(chan interface{}) <- out if ...
Go
package basic import ( "code.google.com/p/rog-go/exp/abc" "io" ) func Use() { } // male side sends reader (or nil if it has no preference); // female replies with the actual fd to use (or nil if there's been an error) var FdT = &abc.Type{"fd", false, func(x interface{}) (ok bool) { _, ok = x.(Fd); return }} type ...
Go
package basic import ( "code.google.com/p/rog-go/exp/abc" "os" ) func init() { abc.Register("stdout", map[string]abc.Socket{ "1": abc.Socket{FdT, abc.Female}, }, makeStdout) } func makeStdout(_ *abc.Status, args map[string]interface{}) abc.Widget { in := args["1"].(Fd) in.PutWriter(os.Stdout) return nil }
Go
package basic import ( "code.google.com/p/rog-go/exp/abc" ) func init() { abc.Register("rot13", map[string]abc.Socket{ "out": abc.Socket{FdT, abc.Male}, "1": abc.Socket{FdT, abc.Female}, }, makeRot13) } func makeRot13(_ *abc.Status, args map[string]interface{}) abc.Widget { in := args["1"].(Fd) out := NewF...
Go
package basic import ( "code.google.com/p/rog-go/exp/abc" "io" "os" ) func init() { abc.Register("read", map[string]abc.Socket{ "1": abc.Socket{abc.StringT, abc.Female}, "out": abc.Socket{FdT, abc.Male}, }, makeRead) } func makeRead(_ *abc.Status, args map[string]interface{}) abc.Widget { f := args["1"]....
Go
package basic import ( "code.google.com/p/rog-go/exp/abc" "strings" ) func init() { abc.Register("echo", map[string]abc.Socket{ "1": abc.Socket{abc.StringT, abc.Female}, "out": abc.Socket{FdT, abc.Male}, }, makeEcho) } func makeEcho(_ *abc.Status, args map[string]interface{}) abc.Widget { s := args["1"].(s...
Go
package basic import ( "code.google.com/p/rog-go/exp/abc" "os" ) func init() { abc.Register("write", map[string]abc.Socket{ "1": abc.Socket{FdT, abc.Female}, "2": abc.Socket{abc.StringT, abc.Female}, }, makeWrite) } func makeWrite(_ *abc.Status, args map[string]interface{}) abc.Widget { in := args["1"].(Fd)...
Go
package main import "abc/audio" import "testing" var tests = []testing.Test { testing.Test{ "audio.TestParserWithPipes", audio.TestParserWithPipes }, testing.Test{ "audio.TestConversion", audio.TestConversion }, } var benchmarks = []testing.Benchmark { } func main() { testing.Main(tests); testing.RunBenchmarks(b...
Go
package audio import ( "fmt" ) type Buffer interface { Len() int Zero(i0, i1 int) Copy(i0 int, src Buffer, j0, j1 int) Slice(i0, i1 int) Buffer GetFormat() Format } type ContiguousFloat32Buffer interface { Buffer AsFloat32Buf() Float32Buf AllocFromFloat32Buf(buf Float32Buf) ContiguousFloat32Buffer } type F...
Go
package audio import ( "fmt" ) type Buffer interface { Len() int Zero(i0, i1 int) Copy(i0 int, src Buffer, j0, j1 int) Slice(i0, i1 int) Buffer GetFormat() Format } type ContiguousFloat32Buffer interface { Buffer AsFloat32Buf() Float32Buf AllocFromFloat32Buf(buf Float32Buf) ContiguousFloat32Buffer } type F...
Go
package audio import ( "fmt" "sync" ) type RingBufWidget struct { minr0 int64 // minimum offset of any reader, in elements (but no reader can be more than maxsize behind r1, so r1 - minr0 <= maxsize) r1 int64 // offset of max sample in buffer + 1. samples Buffer size int // current capacity of buffer ...
Go
package audio import ( "code.google.com/p/rog-go/exp/abc" "strconv" ) type EnvelopeWidget struct { Format read func(b Float32Buf, t int64) int64 t0, a, d, s, r Time sustainlev float32 } func init() { Register("envelope", wOutput, map[string]abc.Socket{ "start": abc.Socket{TimeT, abc.Female}, ...
Go
// +build ignore package audio import ( "code.google.com/p/rog-go/exp/abc" ) func init() { abc.Register("output", map[string]abc.Socket{ "audio", abc.Socket{SamplesT, abc.Female}, "1": abc.Socket{SamplesT, abc.Female}, "2": abc.Socket{abc.StringT, abc.Female}, }, makeOutput) } func makeOutput(args map[stri...
Go
package audio import ( "code.google.com/p/rog-go/exp/abc" "fmt" ) // a simplified, 1-reader ring buffer that can // deal with reads greater than the buffer size. type DelayWidget struct { Format buf Buffer size int delay Time r0 int64 // time of sample in buffer input Widget eofpos int64 eof ...
Go
package audio import ( "code.google.com/p/rog-go/exp/abc" "fmt" "strconv" "strings" "os" ) type Time struct { t int64 real bool // real time (in nanoseconds) ? } func init() { abc.Register("time", map[string]abc.Socket{ "1": abc.Socket{abc.StringT, abc.Female}, "out": abc.Socket{TimeT, abc.Male}, }...
Go
package audio import ( "code.google.com/p/rog-go/exp/abc" ) func init() { abc.Register("auwrite", map[string]abc.Socket{ "out": abc.Socket{basic.Fd, abc.Male}, "1": abc.Socket{SamplesT, abc.Female}, }, makeWrite) } func makeWrite(args map[string]interface{}) abc.Widget { out := basic.NewFd() args["out"].(...
Go
package audio import ( "code.google.com/p/rog-go/exp/abc" "os" "fmt" "io" "encoding/binary" "reflect" "strings" ) func init() { Register("readwav", wInput, map[string]abc.Socket{ "out": abc.Socket{SamplesT, abc.Male}, "1": abc.Socket{abc.StringT, abc.Female}, }, makeWavReader) Register("writewav", wOu...
Go
package audio import ( "bytes" "fmt" ) var indentLevel int func un(_ bool, rets ... interface{}) { if x := recover(); x != nil { panic(x) } indentLevel-- if Debug { s := "" if len(rets) > 0 { s = " -> " + fmt.Sprint(rets...) } fmt.Printf("%s}%s\n", indent(), s) } } func log(f string, args ... int...
Go
package audio import ( "fmt" ) type ConverterWidget struct { outfmt Format infmt Format input Widget } // conversions, in order of application // type - float32 -> int16 & vice versa (punt for now) // num channels - use permute // layout // sample rate - punt for now func Converter(input Widget, f Format) (w *C...
Go
package audio import ( "code.google.com/p/rog-go/exp/abc" ) func init() { abc.Register("auread", map[string]abc.Socket{ "out": abc.Socket{SamplesT, abc.Male}, "1": abc.Socket{basic.Fd, abc.Female}, }, makeRead) } func makeRead(args map[string]interface{}) abc.Widget { var r sampleReader r.Init(args["1"].(...
Go
package audio import "code.google.com/p/rog-go/exp/abc" type MultiplierWidget struct { Format eof bool buf ContiguousFloat32Buffer w0, w1 Widget } func init() { Register("multiply", wProc, map[string]abc.Socket{ "out": abc.Socket{SamplesT, abc.Male}, "1": abc.Socket{SamplesT, abc.Female}, "2": a...
Go
package audio import ( "code.google.com/p/rog-go/exp/abc" "bufio" "fmt" "os" ) type GraphWidget struct { Format input Widget } func init() { Register("graph", wOutput, map[string]abc.Socket{ "1": abc.Socket{SamplesT, abc.Female}, }, makeGraph) } func makeGraph(status *abc.Status, args map[string]interface...
Go
package audio type Format struct { NumChans int // number of channels (0 if unset) Rate int // samples per second (0 if unset) Layout int Type int } type Formatted interface { GetFormat(name string) Format } type FormatSetter interface { SetFormat(f Format) } const Unspecified = 0 // layouts (earlier are...
Go
package audio import "code.google.com/p/rog-go/exp/abc" type PermuteWidget struct { Format input Widget p []int buf Buffer permute func(b0, b1 Buffer, p []int) } func init() { Register("permute", wProc, map[string]abc.Socket{ "out": abc.Socket{SamplesT, abc.Male}, "1": abc.Socket{SamplesT, abc.Fem...
Go
package audio import ( "code.google.com/p/rog-go/exp/abc" ) func init() { abc.Register("input", map[string]abc.Socket{ "audio", abc.Socket{SamplesT, abc.Female}, "out": abc.Socket{SamplesT, abc.Male}, "1": abc.Socket{abc.StringT, abc.Female}, }, makeInput) } func makeInput(args map[string]interface{}) abc...
Go
package audio import ( "code.google.com/p/rog-go/exp/abc" "fmt" "strings" "sync" ) var SamplesT = &abc.Type{"samples", false, abc.IsType((*node)(nil))} var AudioEnvT = &abc.Type{"audio", true, abc.IsType((*context)(nil))} var TimeT = &abc.Type{"time", true, abc.IsType(Time{})} type widgetKind int const ( wInpu...
Go
package audio import ( "code.google.com/p/rog-go/exp/abc" "strconv" ) func init() { Register("mix", wProc, map[string]abc.Socket{ "out": abc.Socket{SamplesT, abc.Male}, "1": abc.Socket{SamplesT, abc.Female}, "2": abc.Socket{SamplesT, abc.Female}, }, makeMixer) } type MixWidget struct { Format buf ...
Go
package audio import ( "code.google.com/p/rog-go/exp/abc" "fmt" "math" "os" "strconv" ) // phaser stolen from audacity. // audacity-src-1.3.12-beta/src/effects/Phaser.cpp type PhaserWidget struct { Format input Widget // parameters freq, startphase, fb, drywet float32 depth, stages int //...
Go
package audio import ( "math" "strconv" "code.google.com/p/rog-go/exp/abc" ) type waveWidget struct { freq float64 samples []float32 Format } func SinWave(freq float64, rate int) (w *waveWidget) { w = &waveWidget{} w.Rate = rate w.NumChans = 1 w.Type = Float32Type w.Layout = Interleaved w.freq = freq ...
Go