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meta_information
dict
q6600
CompareDepth
train
func CompareDepth(op syntax.Token, x, y Value, depth int) (bool, error) { if depth < 1 { return false, fmt.Errorf("comparison exceeded maximum recursion depth") } if sameType(x, y) { if xcomp, ok := x.(Comparable); ok { return xcomp.CompareSameType(op, y, depth) } // use identity comparison switch op { case syntax.EQL: return x == y, nil case syntax.NEQ: return x != y, nil } return false, fmt.Errorf("%s %s %s not implemented", x.Type(), op, y.Type()) } // different types // int/float ordered comparisons switch x := x.(type) { case Int: if y, ok := y.(Float); ok { if y != y { return false, nil // y is NaN } var cmp int if !math.IsInf(float64(y), 0) { cmp = x.rational().Cmp(y.rational()) // y is finite } else if y > 0 { cmp = -1 // y is +Inf } else { cmp = +1 // y is -Inf } return threeway(op, cmp), nil } case Float: if y, ok := y.(Int); ok { if x != x { return false, nil // x is NaN } var cmp int if !math.IsInf(float64(x), 0) { cmp = x.rational().Cmp(y.rational()) // x is finite } else if x > 0 { cmp = -1 // x is +Inf } else { cmp = +1 // x is -Inf } return threeway(op, cmp), nil } } // All other values of different types compare unequal. switch op { case syntax.EQL: return false, nil case syntax.NEQ: return true, nil } return false, fmt.Errorf("%s %s %s not implemented", x.Type(), op, y.Type()) }
go
{ "resource": "" }
q6601
dump
train
func (ht *hashtable) dump() { fmt.Printf("hashtable %p len=%d head=%p tailLink=%p", ht, ht.len, ht.head, ht.tailLink) if ht.tailLink != nil { fmt.Printf(" *tailLink=%p", *ht.tailLink) } fmt.Println() for j := range ht.table { fmt.Printf("bucket chain %d\n", j) for p := &ht.table[j]; p != nil; p = p.next { fmt.Printf("bucket %p\n", p) for i := range p.entries { e := &p.entries[i] fmt.Printf("\tentry %d @ %p hash=%d key=%v value=%v\n", i, e, e.hash, e.key, e.value) fmt.Printf("\t\tnext=%p &next=%p prev=%p", e.next, &e.next, e.prevLink) if e.prevLink != nil { fmt.Printf(" *prev=%p", *e.prevLink) } fmt.Println() } } } }
go
{ "resource": "" }
q6602
hashString
train
func hashString(s string) uint32 { if len(s) >= 12 { // Call the Go runtime's optimized hash implementation, // which uses the AESENC instruction on amd64 machines. return uint32(goStringHash(s, 0)) } return softHashString(s) }
go
{ "resource": "" }
q6603
softHashString
train
func softHashString(s string) uint32 { var h uint32 for i := 0; i < len(s); i++ { h ^= uint32(s[i]) h *= 16777619 } return h }
go
{ "resource": "" }
q6604
ParseExpr
train
func ParseExpr(filename string, src interface{}, mode Mode) (expr Expr, err error) { in, err := newScanner(filename, src, mode&RetainComments != 0) if err != nil { return nil, err } p := parser{in: in} defer p.in.recover(&err) p.nextToken() // read first lookahead token expr = p.parseTest() // A following newline (e.g. "f()\n") appears outside any brackets, // on a non-blank line, and thus results in a NEWLINE token. if p.tok == NEWLINE { p.nextToken() } if p.tok != EOF { p.in.errorf(p.in.pos, "got %#v after expression, want EOF", p.tok) } p.assignComments(expr) return expr, nil }
go
{ "resource": "" }
q6605
nextToken
train
func (p *parser) nextToken() Position { oldpos := p.tokval.pos p.tok = p.in.nextToken(&p.tokval) // enable to see the token stream if debug { log.Printf("nextToken: %-20s%+v\n", p.tok, p.tokval.pos) } return oldpos }
go
{ "resource": "" }
q6606
parseLambda
train
func (p *parser) parseLambda(allowCond bool) Expr { lambda := p.nextToken() var params []Expr if p.tok != COLON { params = p.parseParams() } p.consume(COLON) var body Expr if allowCond { body = p.parseTest() } else { body = p.parseTestNoCond() } return &LambdaExpr{ Lambda: lambda, Function: Function{ StartPos: lambda, Params: params, Body: []Stmt{&ReturnStmt{Result: body}}, }, } }
go
{ "resource": "" }
q6607
parsePrimaryWithSuffix
train
func (p *parser) parsePrimaryWithSuffix() Expr { x := p.parsePrimary() for { switch p.tok { case DOT: dot := p.nextToken() id := p.parseIdent() x = &DotExpr{Dot: dot, X: x, Name: id} case LBRACK: x = p.parseSliceSuffix(x) case LPAREN: x = p.parseCallSuffix(x) default: return x } } }
go
{ "resource": "" }
q6608
flattenAST
train
func flattenAST(root Node) (pre, post []Node) { stack := []Node{} Walk(root, func(n Node) bool { if n != nil { pre = append(pre, n) stack = append(stack, n) } else { post = append(post, stack[len(stack)-1]) stack = stack[:len(stack)-1] } return true }) return pre, post }
go
{ "resource": "" }
q6609
isCasedString
train
func isCasedString(s string) bool { for _, r := range s { if 'a' <= r && r <= 'z' || 'A' <= r && r <= 'Z' || unicode.SimpleFold(r) != r { return true } } return false }
go
{ "resource": "" }
q6610
MakeInt64
train
func MakeInt64(x int64) Int { if 0 <= x && x < int64(len(smallint)) { if !smallintok { panic("MakeInt64 used before initialization") } return Int{&smallint[x]} } return Int{new(big.Int).SetInt64(x)} }
go
{ "resource": "" }
q6611
MakeUint64
train
func MakeUint64(x uint64) Int { if x < uint64(len(smallint)) { if !smallintok { panic("MakeUint64 used before initialization") } return Int{&smallint[x]} } return Int{new(big.Int).SetUint64(uint64(x))} }
go
{ "resource": "" }
q6612
Int64
train
func (i Int) Int64() (_ int64, ok bool) { x, acc := bigintToInt64(i.bigint) if acc != big.Exact { return // inexact } return x, true }
go
{ "resource": "" }
q6613
Uint64
train
func (i Int) Uint64() (_ uint64, ok bool) { x, acc := bigintToUint64(i.bigint) if acc != big.Exact { return // inexact } return x, true }
go
{ "resource": "" }
q6614
Float
train
func (i Int) Float() Float { // TODO(adonovan): opt: handle common values without allocation. f, _ := new(big.Float).SetInt(i.bigint).Float64() return Float(f) }
go
{ "resource": "" }
q6615
AsInt32
train
func AsInt32(x Value) (int, error) { i, ok := x.(Int) if !ok { return 0, fmt.Errorf("got %s, want int", x.Type()) } if i.bigint.BitLen() <= 32 { v := i.bigint.Int64() if v >= math.MinInt32 && v <= math.MaxInt32 { return int(v), nil } } return 0, fmt.Errorf("%s out of range", i) }
go
{ "resource": "" }
q6616
NumberToInt
train
func NumberToInt(x Value) (Int, error) { switch x := x.(type) { case Int: return x, nil case Float: f := float64(x) if math.IsInf(f, 0) { return zero, fmt.Errorf("cannot convert float infinity to integer") } else if math.IsNaN(f) { return zero, fmt.Errorf("cannot convert float NaN to integer") } return finiteFloatToInt(x), nil } return zero, fmt.Errorf("cannot convert %s to int", x.Type()) }
go
{ "resource": "" }
q6617
finiteFloatToInt
train
func finiteFloatToInt(f Float) Int { var i big.Int if math.MinInt64 <= f && f <= math.MaxInt64 { // small values i.SetInt64(int64(f)) } else { rat := f.rational() if rat == nil { panic(f) // non-finite } i.Div(rat.Num(), rat.Denom()) } return Int{&i} }
go
{ "resource": "" }
q6618
init
train
func init() { flag.BoolVar(&resolve.AllowFloat, "fp", resolve.AllowFloat, "allow floating-point numbers") flag.BoolVar(&resolve.AllowSet, "set", resolve.AllowSet, "allow set data type") flag.BoolVar(&resolve.AllowLambda, "lambda", resolve.AllowLambda, "allow lambda expressions") flag.BoolVar(&resolve.AllowNestedDef, "nesteddef", resolve.AllowNestedDef, "allow nested def statements") flag.BoolVar(&resolve.AllowBitwise, "bitwise", resolve.AllowBitwise, "allow bitwise operations (&, |, ^, ~, <<, and >>)") }
go
{ "resource": "" }
q6619
SetLocal
train
func (thread *Thread) SetLocal(key string, value interface{}) { if thread.locals == nil { thread.locals = make(map[string]interface{}) } thread.locals[key] = value }
go
{ "resource": "" }
q6620
errorf
train
func (fr *Frame) errorf(posn syntax.Position, format string, args ...interface{}) *EvalError { fr.posn = posn msg := fmt.Sprintf(format, args...) return &EvalError{Msg: msg, Frame: fr} }
go
{ "resource": "" }
q6621
Position
train
func (fr *Frame) Position() syntax.Position { if fr.posn.IsValid() { return fr.posn // leaf frame only (the error) } if fn, ok := fr.callable.(*Function); ok { return fn.funcode.Position(fr.callpc) // position of active call } return syntax.MakePosition(&builtinFilename, 1, 0) }
go
{ "resource": "" }
q6622
Backtrace
train
func (e *EvalError) Backtrace() string { var buf bytes.Buffer e.Frame.WriteBacktrace(&buf) fmt.Fprintf(&buf, "Error: %s", e.Msg) return buf.String() }
go
{ "resource": "" }
q6623
WriteBacktrace
train
func (fr *Frame) WriteBacktrace(out *bytes.Buffer) { fmt.Fprintf(out, "Traceback (most recent call last):\n") var print func(fr *Frame) print = func(fr *Frame) { if fr != nil { print(fr.parent) fmt.Fprintf(out, " %s: in %s\n", fr.Position(), fr.Callable().Name()) } } print(fr) }
go
{ "resource": "" }
q6624
Stack
train
func (e *EvalError) Stack() []*Frame { var stack []*Frame for fr := e.Frame; fr != nil; fr = fr.parent { stack = append(stack, fr) } return stack }
go
{ "resource": "" }
q6625
SourceProgram
train
func SourceProgram(filename string, src interface{}, isPredeclared func(string) bool) (*syntax.File, *Program, error) { f, err := syntax.Parse(filename, src, 0) if err != nil { return nil, nil, err } if err := resolve.File(f, isPredeclared, Universe.Has); err != nil { return f, nil, err } compiled := compile.File(f.Stmts, f.Locals, f.Globals) return f, &Program{compiled}, nil }
go
{ "resource": "" }
q6626
CompiledProgram
train
func CompiledProgram(in io.Reader) (*Program, error) { prog, err := compile.ReadProgram(in) if err != nil { return nil, err } return &Program{prog}, nil }
go
{ "resource": "" }
q6627
Init
train
func (prog *Program) Init(thread *Thread, predeclared StringDict) (StringDict, error) { toplevel := makeToplevelFunction(prog.compiled.Toplevel, predeclared) _, err := Call(thread, toplevel, nil, nil) // Convert the global environment to a map and freeze it. // We return a (partial) map even in case of error. return toplevel.Globals(), err }
go
{ "resource": "" }
q6628
listExtend
train
func listExtend(x *List, y Iterable) { if ylist, ok := y.(*List); ok { // fast path: list += list x.elems = append(x.elems, ylist.elems...) } else { iter := y.Iterate() defer iter.Done() var z Value for iter.Next(&z) { x.elems = append(x.elems, z) } } }
go
{ "resource": "" }
q6629
getAttr
train
func getAttr(fr *Frame, x Value, name string) (Value, error) { // field or method? if x, ok := x.(HasAttrs); ok { if v, err := x.Attr(name); v != nil || err != nil { return v, err } } return nil, fmt.Errorf("%s has no .%s field or method", x.Type(), name) }
go
{ "resource": "" }
q6630
setField
train
func setField(fr *Frame, x Value, name string, y Value) error { if x, ok := x.(HasSetField); ok { err := x.SetField(name, y) return err } return fmt.Errorf("can't assign to .%s field of %s", name, x.Type()) }
go
{ "resource": "" }
q6631
Call
train
func Call(thread *Thread, fn Value, args Tuple, kwargs []Tuple) (Value, error) { c, ok := fn.(Callable) if !ok { return nil, fmt.Errorf("invalid call of non-function (%s)", fn.Type()) } thread.frame = &Frame{parent: thread.frame, callable: c} result, err := c.CallInternal(thread, args, kwargs) thread.frame = thread.frame.parent // Sanity check: nil is not a valid Skylark value. if result == nil && err == nil { return nil, fmt.Errorf("internal error: nil (not None) returned from %s", fn) } return result, err }
go
{ "resource": "" }
q6632
Expr
train
func Expr(expr syntax.Expr, isPredeclared, isUniversal func(name string) bool) ([]*syntax.Ident, error) { r := newResolver(isPredeclared, isUniversal) r.expr(expr) r.env.resolveLocalUses() r.resolveNonLocalUses(r.env) // globals & universals if len(r.errors) > 0 { return nil, r.errors } return r.moduleLocals, nil }
go
{ "resource": "" }
q6633
bind
train
func (r *resolver) bind(id *syntax.Ident, allowRebind bool) bool { // Binding outside any local (comprehension/function) block? if r.env.isModule() { id.Scope = uint8(Global) prev, ok := r.globals[id.Name] if ok { // Global reassignments are permitted only if // they are of the form x += y. We can't tell // statically whether it's a reassignment // (e.g. int += int) or a mutation (list += list). if !allowRebind && !AllowGlobalReassign { r.errorf(id.NamePos, "cannot reassign global %s declared at %s", id.Name, prev.NamePos) } id.Index = prev.Index } else { // first global binding of this name r.globals[id.Name] = id id.Index = len(r.moduleGlobals) r.moduleGlobals = append(r.moduleGlobals, id) } return ok } // Mark this name as local to current block. // Assign it a new local (positive) index in the current container. _, ok := r.env.bindings[id.Name] if !ok { var locals *[]*syntax.Ident if fn := r.container().function; fn != nil { locals = &fn.Locals } else { locals = &r.moduleLocals } r.env.bind(id.Name, binding{Local, len(*locals)}) *locals = append(*locals, id) } r.use(id) return ok }
go
{ "resource": "" }
q6634
lookupLocal
train
func lookupLocal(use use) binding { for env := use.env; env != nil; env = env.parent { if bind, ok := env.bindings[use.id.Name]; ok { if bind.scope == Free { // shouldn't exist till later log.Fatalf("%s: internal error: %s, %d", use.id.NamePos, use.id.Name, bind) } return bind // found } if env.function != nil { break } } return binding{} // not found in this function }
go
{ "resource": "" }
q6635
lookupLexical
train
func (r *resolver) lookupLexical(id *syntax.Ident, env *block) (bind binding) { if debug { fmt.Printf("lookupLexical %s in %s = ...\n", id.Name, env) defer func() { fmt.Printf("= %d\n", bind) }() } // Is this the module block? if env.isModule() { return r.useGlobal(id) // global, predeclared, or not found } // Defined in this block? bind, ok := env.bindings[id.Name] if !ok { // Defined in parent block? bind = r.lookupLexical(id, env.parent) if env.function != nil && (bind.scope == Local || bind.scope == Free) { // Found in parent block, which belongs to enclosing function. id := &syntax.Ident{ Name: id.Name, Scope: uint8(bind.scope), Index: bind.index, } bind.scope = Free bind.index = len(env.function.FreeVars) env.function.FreeVars = append(env.function.FreeVars, id) if debug { fmt.Printf("creating freevar %v in function at %s: %s\n", len(env.function.FreeVars), fmt.Sprint(env.function.Span()), id.Name) } } // Memoize, to avoid duplicate free vars // and redundant global (failing) lookups. env.bind(id.Name, bind) } return bind }
go
{ "resource": "" }
q6636
FromStringDict
train
func FromStringDict(constructor skylark.Value, d skylark.StringDict) *Struct { if constructor == nil { panic("nil constructor") } s := &Struct{ constructor: constructor, entries: make(entries, 0, len(d)), } for k, v := range d { s.entries = append(s.entries, entry{k, v}) } sort.Sort(s.entries) return s }
go
{ "resource": "" }
q6637
Attr
train
func (s *Struct) Attr(name string) (skylark.Value, error) { // Binary search the entries. // This implementation is a specialization of // sort.Search that avoids dynamic dispatch. n := len(s.entries) i, j := 0, n for i < j { h := int(uint(i+j) >> 1) if s.entries[h].name < name { i = h + 1 } else { j = h } } if i < n && s.entries[i].name == name { return s.entries[i].value, nil } // TODO(adonovan): there may be a nice feature for core // skylark.Value here, especially for JSON, but the current // features are incomplete and underspecified. // // to_{json,proto} are deprecated, appropriately; see Google issue b/36412967. switch name { case "to_json", "to_proto": return skylark.NewBuiltin(name, func(thread *skylark.Thread, fn *skylark.Builtin, args skylark.Tuple, kwargs []skylark.Tuple) (skylark.Value, error) { var buf bytes.Buffer var err error if name == "to_json" { err = writeJSON(&buf, s) } else { err = writeProtoStruct(&buf, 0, s) } if err != nil { // TODO(adonovan): improve error error messages // to show the path through the object graph. return nil, err } return skylark.String(buf.String()), nil }), nil } var ctor string if s.constructor != Default { ctor = s.constructor.String() + " " } return nil, fmt.Errorf("%sstruct has no .%s attribute", ctor, name) }
go
{ "resource": "" }
q6638
Read
train
func Read(filename string, report Reporter) (chunks []Chunk) { data, err := ioutil.ReadFile(filename) if err != nil { report.Errorf("%s", err) return } linenum := 1 for i, chunk := range strings.Split(string(data), "\n---\n") { chunk := string(chunk) if debug { fmt.Printf("chunk %d at line %d: %s\n", i, linenum, chunk) } // Pad with newlines so the line numbers match the original file. src := strings.Repeat("\n", linenum-1) + chunk wantErrs := make(map[int]*regexp.Regexp) // Parse comments of the form: // ### "expected error". lines := strings.Split(chunk, "\n") for j := 0; j < len(lines); j, linenum = j+1, linenum+1 { line := lines[j] hashes := strings.Index(line, "###") if hashes < 0 { continue } rest := strings.TrimSpace(line[hashes+len("###"):]) pattern, err := strconv.Unquote(rest) if err != nil { report.Errorf("%s:%d: not a quoted regexp: %s", filename, linenum, rest) continue } rx, err := regexp.Compile(pattern) if err != nil { report.Errorf("%s:%d: %v", filename, linenum, err) continue } wantErrs[linenum] = rx if debug { fmt.Printf("\t%d\t%s\n", linenum, rx) } } linenum++ chunks = append(chunks, Chunk{src, filename, report, wantErrs}) } return chunks }
go
{ "resource": "" }
q6639
GotError
train
func (chunk *Chunk) GotError(linenum int, msg string) { if rx, ok := chunk.wantErrs[linenum]; ok { delete(chunk.wantErrs, linenum) if !rx.MatchString(msg) { chunk.report.Errorf("%s:%d: error %q does not match pattern %q", chunk.filename, linenum, msg, rx) } } else { chunk.report.Errorf("%s:%d: unexpected error: %v", chunk.filename, linenum, msg) } }
go
{ "resource": "" }
q6640
Done
train
func (chunk *Chunk) Done() { for linenum, rx := range chunk.wantErrs { chunk.report.Errorf("%s:%d: expected error matching %q", chunk.filename, linenum, rx) } }
go
{ "resource": "" }
q6641
add
train
func (p Position) add(s string) Position { if n := strings.Count(s, "\n"); n > 0 { p.Line += int32(n) s = s[strings.LastIndex(s, "\n")+1:] p.Col = 1 } p.Col += int32(utf8.RuneCountInString(s)) return p }
go
{ "resource": "" }
q6642
peekRune
train
func (sc *scanner) peekRune() rune { if len(sc.rest) == 0 { return 0 } // fast path: ASCII if b := sc.rest[0]; b < utf8.RuneSelf { if b == '\r' { return '\n' } return rune(b) } r, _ := utf8.DecodeRune(sc.rest) return r }
go
{ "resource": "" }
q6643
readRune
train
func (sc *scanner) readRune() rune { if len(sc.rest) == 0 { sc.error(sc.pos, "internal scanner error: readRune at EOF") return 0 // unreachable but eliminates bounds-check below } // fast path: ASCII if b := sc.rest[0]; b < utf8.RuneSelf { r := rune(b) sc.rest = sc.rest[1:] if r == '\r' { if len(sc.rest) > 0 && sc.rest[0] == '\n' { sc.rest = sc.rest[1:] } r = '\n' } if r == '\n' { sc.pos.Line++ sc.pos.Col = 1 } else { sc.pos.Col++ } return r } r, size := utf8.DecodeRune(sc.rest) sc.rest = sc.rest[size:] sc.pos.Col++ return r }
go
{ "resource": "" }
q6644
startToken
train
func (sc *scanner) startToken(val *tokenValue) { sc.token = sc.rest val.raw = "" val.pos = sc.pos }
go
{ "resource": "" }
q6645
endToken
train
func (sc *scanner) endToken(val *tokenValue) { if val.raw == "" { val.raw = string(sc.token[:len(sc.token)-len(sc.rest)]) } }
go
{ "resource": "" }
q6646
PrintError
train
func PrintError(err error) { if evalErr, ok := err.(*skylark.EvalError); ok { fmt.Fprintln(os.Stderr, evalErr.Backtrace()) } else { fmt.Fprintln(os.Stderr, err) } }
go
{ "resource": "" }
q6647
MakeLoad
train
func MakeLoad() func(thread *skylark.Thread, module string) (skylark.StringDict, error) { type entry struct { globals skylark.StringDict err error } var cache = make(map[string]*entry) return func(thread *skylark.Thread, module string) (skylark.StringDict, error) { e, ok := cache[module] if e == nil { if ok { // request for package whose loading is in progress return nil, fmt.Errorf("cycle in load graph") } // Add a placeholder to indicate "load in progress". cache[module] = nil // Load it. thread := &skylark.Thread{Load: thread.Load} globals, err := skylark.ExecFile(thread, module, nil, nil) e = &entry{globals, err} // Update the cache. cache[module] = e } return e.globals, e.err } }
go
{ "resource": "" }
q6648
Write
train
func (prog *Program) Write(out io.Writer) error { out.Write([]byte(magic)) gobIdents := func(idents []Ident) []gobIdent { res := make([]gobIdent, len(idents)) for i, id := range idents { res[i].Name = id.Name res[i].Line = id.Pos.Line res[i].Col = id.Pos.Col } return res } gobFunc := func(fn *Funcode) gobFunction { return gobFunction{ Id: gobIdent{ Name: fn.Name, Line: fn.Pos.Line, Col: fn.Pos.Col, }, Code: fn.Code, Pclinetab: fn.pclinetab, Locals: gobIdents(fn.Locals), Freevars: gobIdents(fn.Freevars), MaxStack: fn.MaxStack, NumParams: fn.NumParams, HasVarargs: fn.HasVarargs, HasKwargs: fn.HasKwargs, } } gp := &gobProgram{ Version: Version, Filename: prog.Toplevel.Pos.Filename(), Loads: gobIdents(prog.Loads), Names: prog.Names, Constants: prog.Constants, Functions: make([]gobFunction, len(prog.Functions)), Globals: gobIdents(prog.Globals), Toplevel: gobFunc(prog.Toplevel), } for i, f := range prog.Functions { gp.Functions[i] = gobFunc(f) } return gob.NewEncoder(out).Encode(gp) }
go
{ "resource": "" }
q6649
ReadProgram
train
func ReadProgram(in io.Reader) (*Program, error) { magicBuf := []byte(magic) n, err := in.Read(magicBuf) if err != nil { return nil, err } if n != len(magic) { return nil, fmt.Errorf("not a compiled module: no magic number") } if string(magicBuf) != magic { return nil, fmt.Errorf("not a compiled module: got magic number %q, want %q", magicBuf, magic) } dec := gob.NewDecoder(in) var gp gobProgram if err := dec.Decode(&gp); err != nil { return nil, fmt.Errorf("decoding program: %v", err) } if gp.Version != Version { return nil, fmt.Errorf("version mismatch: read %d, want %d", gp.Version, Version) } file := gp.Filename // copy, to avoid keeping gp live ungobIdents := func(idents []gobIdent) []Ident { res := make([]Ident, len(idents)) for i, id := range idents { res[i].Name = id.Name res[i].Pos = syntax.MakePosition(&file, id.Line, id.Col) } return res } prog := &Program{ Loads: ungobIdents(gp.Loads), Names: gp.Names, Constants: gp.Constants, Globals: ungobIdents(gp.Globals), Functions: make([]*Funcode, len(gp.Functions)), } ungobFunc := func(gf *gobFunction) *Funcode { pos := syntax.MakePosition(&file, gf.Id.Line, gf.Id.Col) return &Funcode{ Prog: prog, Pos: pos, Name: gf.Id.Name, Code: gf.Code, pclinetab: gf.Pclinetab, Locals: ungobIdents(gf.Locals), Freevars: ungobIdents(gf.Freevars), MaxStack: gf.MaxStack, NumParams: gf.NumParams, HasVarargs: gf.HasVarargs, HasKwargs: gf.HasKwargs, } } for i := range gp.Functions { prog.Functions[i] = ungobFunc(&gp.Functions[i]) } prog.Toplevel = ungobFunc(&gp.Toplevel) return prog, nil }
go
{ "resource": "" }
q6650
idents
train
func idents(ids []*syntax.Ident) []Ident { res := make([]Ident, len(ids)) for i, id := range ids { res[i].Name = id.Name res[i].Pos = id.NamePos } return res }
go
{ "resource": "" }
q6651
Expr
train
func Expr(expr syntax.Expr, locals []*syntax.Ident) *Funcode { stmts := []syntax.Stmt{&syntax.ReturnStmt{Result: expr}} return File(stmts, locals, nil).Toplevel }
go
{ "resource": "" }
q6652
File
train
func File(stmts []syntax.Stmt, locals, globals []*syntax.Ident) *Program { pcomp := &pcomp{ prog: &Program{ Globals: idents(globals), }, names: make(map[string]uint32), constants: make(map[interface{}]uint32), functions: make(map[*Funcode]uint32), } var pos syntax.Position if len(stmts) > 0 { pos = syntax.Start(stmts[0]) } pcomp.prog.Toplevel = pcomp.function("<toplevel>", pos, stmts, locals, nil) return pcomp.prog }
go
{ "resource": "" }
q6653
generate
train
func (fcomp *fcomp) generate(blocks []*block, codelen uint32) { code := make([]byte, 0, codelen) var pclinetab []uint16 var prev struct { pc uint32 line int32 } for _, b := range blocks { if debug { fmt.Fprintf(os.Stderr, "%d:\n", b.index) } pc := b.addr for _, insn := range b.insns { if insn.line != 0 { // Instruction has a source position. Delta-encode it. // See Funcode.Position for the encoding. for { var incomplete uint16 deltapc := pc - prev.pc if deltapc > 0xff { deltapc = 0xff incomplete = 1 } prev.pc += deltapc deltaline := insn.line - prev.line if deltaline > 0x3f { deltaline = 0x3f incomplete = 1 } else if deltaline < -0x40 { deltaline = -0x40 incomplete = 1 } prev.line += deltaline entry := uint16(deltapc<<8) | uint16(uint8(deltaline<<1)) | incomplete pclinetab = append(pclinetab, entry) if incomplete == 0 { break } } if debug { fmt.Fprintf(os.Stderr, "\t\t\t\t\t; %s %d\n", filepath.Base(fcomp.fn.Pos.Filename()), insn.line) } } if debug { PrintOp(fcomp.fn, pc, insn.op, insn.arg) } code = append(code, byte(insn.op)) pc++ if insn.op >= OpcodeArgMin { if insn.op == CJMP || insn.op == ITERJMP { code = addUint32(code, insn.arg, 4) // pad arg to 4 bytes } else { code = addUint32(code, insn.arg, 0) } pc = uint32(len(code)) } } if b.jmp != nil && b.jmp.index != b.index+1 { addr := b.jmp.addr if debug { fmt.Fprintf(os.Stderr, "\t%d\tjmp\t\t%d\t; block %d\n", pc, addr, b.jmp.index) } code = append(code, byte(JMP)) code = addUint32(code, addr, 4) } } if len(code) != int(codelen) { panic("internal error: wrong code length") } fcomp.fn.pclinetab = pclinetab fcomp.fn.Code = code }
go
{ "resource": "" }
q6654
PrintOp
train
func PrintOp(fn *Funcode, pc uint32, op Opcode, arg uint32) { if op < OpcodeArgMin { fmt.Fprintf(os.Stderr, "\t%d\t%s\n", pc, op) return } var comment string switch op { case CONSTANT: switch x := fn.Prog.Constants[arg].(type) { case string: comment = strconv.Quote(x) default: comment = fmt.Sprint(x) } case MAKEFUNC: comment = fn.Prog.Functions[arg].Name case SETLOCAL, LOCAL: comment = fn.Locals[arg].Name case SETGLOBAL, GLOBAL: comment = fn.Prog.Globals[arg].Name case ATTR, SETFIELD, PREDECLARED, UNIVERSAL: comment = fn.Prog.Names[arg] case FREE: comment = fn.Freevars[arg].Name case CALL, CALL_VAR, CALL_KW, CALL_VAR_KW: comment = fmt.Sprintf("%d pos, %d named", arg>>8, arg&0xff) default: // JMP, CJMP, ITERJMP, MAKETUPLE, MAKELIST, LOAD, UNPACK: // arg is just a number } var buf bytes.Buffer fmt.Fprintf(&buf, "\t%d\t%-10s\t%d", pc, op, arg) if comment != "" { fmt.Fprint(&buf, "\t; ", comment) } fmt.Fprintln(&buf) os.Stderr.Write(buf.Bytes()) }
go
{ "resource": "" }
q6655
emit
train
func (fcomp *fcomp) emit(op Opcode) { if op >= OpcodeArgMin { panic("missing arg: " + op.String()) } insn := insn{op: op, line: fcomp.pos.Line} fcomp.block.insns = append(fcomp.block.insns, insn) fcomp.pos.Line = 0 }
go
{ "resource": "" }
q6656
emit1
train
func (fcomp *fcomp) emit1(op Opcode, arg uint32) { if op < OpcodeArgMin { panic("unwanted arg: " + op.String()) } insn := insn{op: op, arg: arg, line: fcomp.pos.Line} fcomp.block.insns = append(fcomp.block.insns, insn) fcomp.pos.Line = 0 }
go
{ "resource": "" }
q6657
jump
train
func (fcomp *fcomp) jump(b *block) { if b == fcomp.block { panic("self-jump") // unreachable: Skylark has no arbitrary looping constructs } fcomp.block.jmp = b fcomp.block = nil }
go
{ "resource": "" }
q6658
nameIndex
train
func (pcomp *pcomp) nameIndex(name string) uint32 { index, ok := pcomp.names[name] if !ok { index = uint32(len(pcomp.prog.Names)) pcomp.names[name] = index pcomp.prog.Names = append(pcomp.prog.Names, name) } return index }
go
{ "resource": "" }
q6659
constantIndex
train
func (pcomp *pcomp) constantIndex(v interface{}) uint32 { index, ok := pcomp.constants[v] if !ok { index = uint32(len(pcomp.prog.Constants)) pcomp.constants[v] = index pcomp.prog.Constants = append(pcomp.prog.Constants, v) } return index }
go
{ "resource": "" }
q6660
functionIndex
train
func (pcomp *pcomp) functionIndex(fn *Funcode) uint32 { index, ok := pcomp.functions[fn] if !ok { index = uint32(len(pcomp.prog.Functions)) pcomp.functions[fn] = index pcomp.prog.Functions = append(pcomp.prog.Functions, fn) } return index }
go
{ "resource": "" }
q6661
string
train
func (fcomp *fcomp) string(s string) { fcomp.emit1(CONSTANT, fcomp.pcomp.constantIndex(s)) }
go
{ "resource": "" }
q6662
set
train
func (fcomp *fcomp) set(id *syntax.Ident) { switch resolve.Scope(id.Scope) { case resolve.Local: fcomp.emit1(SETLOCAL, uint32(id.Index)) case resolve.Global: fcomp.emit1(SETGLOBAL, uint32(id.Index)) default: log.Fatalf("%s: set(%s): neither global nor local (%d)", id.NamePos, id.Name, id.Scope) } }
go
{ "resource": "" }
q6663
lookup
train
func (fcomp *fcomp) lookup(id *syntax.Ident) { switch resolve.Scope(id.Scope) { case resolve.Local: fcomp.setPos(id.NamePos) fcomp.emit1(LOCAL, uint32(id.Index)) case resolve.Free: fcomp.emit1(FREE, uint32(id.Index)) case resolve.Global: fcomp.setPos(id.NamePos) fcomp.emit1(GLOBAL, uint32(id.Index)) case resolve.Predeclared: fcomp.setPos(id.NamePos) fcomp.emit1(PREDECLARED, fcomp.pcomp.nameIndex(id.Name)) case resolve.Universal: fcomp.emit1(UNIVERSAL, fcomp.pcomp.nameIndex(id.Name)) default: log.Fatalf("%s: compiler.lookup(%s): scope = %d", id.NamePos, id.Name, id.Scope) } }
go
{ "resource": "" }
q6664
assign
train
func (fcomp *fcomp) assign(pos syntax.Position, lhs syntax.Expr) { switch lhs := lhs.(type) { case *syntax.ParenExpr: // (lhs) = rhs fcomp.assign(pos, lhs.X) case *syntax.Ident: // x = rhs fcomp.set(lhs) case *syntax.TupleExpr: // x, y = rhs fcomp.assignSequence(pos, lhs.List) case *syntax.ListExpr: // [x, y] = rhs fcomp.assignSequence(pos, lhs.List) case *syntax.IndexExpr: // x[y] = rhs fcomp.expr(lhs.X) fcomp.emit(EXCH) fcomp.expr(lhs.Y) fcomp.emit(EXCH) fcomp.setPos(lhs.Lbrack) fcomp.emit(SETINDEX) case *syntax.DotExpr: // x.f = rhs fcomp.expr(lhs.X) fcomp.emit(EXCH) fcomp.setPos(lhs.Dot) fcomp.emit1(SETFIELD, fcomp.pcomp.nameIndex(lhs.Name.Name)) default: panic(lhs) } }
go
{ "resource": "" }
q6665
add
train
func add(code rune, args []summand) syntax.Expr { switch code { case 's': var buf bytes.Buffer for _, arg := range args { buf.WriteString(arg.x.(*syntax.Literal).Value.(string)) } return &syntax.Literal{Token: syntax.STRING, Value: buf.String()} case 'l': var elems []syntax.Expr for _, arg := range args { elems = append(elems, arg.x.(*syntax.ListExpr).List...) } return &syntax.ListExpr{List: elems} case 't': var elems []syntax.Expr for _, arg := range args { elems = append(elems, arg.x.(*syntax.TupleExpr).List...) } return &syntax.TupleExpr{List: elems} } panic(code) }
go
{ "resource": "" }
q6666
ifelse
train
func (fcomp *fcomp) ifelse(cond syntax.Expr, t, f *block) { switch cond := cond.(type) { case *syntax.UnaryExpr: if cond.Op == syntax.NOT { // if not x then goto t else goto f // => // if x then goto f else goto t fcomp.ifelse(cond.X, f, t) return } case *syntax.BinaryExpr: switch cond.Op { case syntax.AND: // if x and y then goto t else goto f // => // if x then ifelse(y, t, f) else goto f fcomp.expr(cond.X) y := fcomp.newBlock() fcomp.condjump(CJMP, y, f) fcomp.block = y fcomp.ifelse(cond.Y, t, f) return case syntax.OR: // if x or y then goto t else goto f // => // if x then goto t else ifelse(y, t, f) fcomp.expr(cond.X) y := fcomp.newBlock() fcomp.condjump(CJMP, t, y) fcomp.block = y fcomp.ifelse(cond.Y, t, f) return case syntax.NOT_IN: // if x not in y then goto t else goto f // => // if x in y then goto f else goto t copy := *cond copy.Op = syntax.IN fcomp.expr(&copy) fcomp.condjump(CJMP, f, t) return } } // general case fcomp.expr(cond) fcomp.condjump(CJMP, t, f) }
go
{ "resource": "" }
q6667
Error
train
func (e *Error) Error() string { s := "[Error" if e.Sender != "" { s += " (where: " + e.Sender + ")" } if e.Filename != "" { s += " in " + e.Filename } if e.Line > 0 { s += fmt.Sprintf(" | Line %d Col %d", e.Line, e.Column) if e.Token != nil { s += fmt.Sprintf(" near '%s'", e.Token.Val) } } s += "] " s += e.OrigError.Error() return s }
go
{ "resource": "" }
q6668
RawLine
train
func (e *Error) RawLine() (line string, available bool, outErr error) { if e.Line <= 0 || e.Filename == "<string>" { return "", false, nil } filename := e.Filename if e.Template != nil { filename = e.Template.set.resolveFilename(e.Template, e.Filename) } file, err := os.Open(filename) if err != nil { return "", false, err } defer func() { err := file.Close() if err != nil && outErr == nil { outErr = err } }() scanner := bufio.NewScanner(file) l := 0 for scanner.Scan() { l++ if l == e.Line { return scanner.Text(), true, nil } } return "", false, nil }
go
{ "resource": "" }
q6669
newParser
train
func newParser(name string, tokens []*Token, template *Template) *Parser { p := &Parser{ name: name, tokens: tokens, template: template, } if len(tokens) > 0 { p.lastToken = tokens[len(tokens)-1] } return p }
go
{ "resource": "" }
q6670
MatchType
train
func (p *Parser) MatchType(typ TokenType) *Token { if t := p.PeekType(typ); t != nil { p.Consume() return t } return nil }
go
{ "resource": "" }
q6671
Match
train
func (p *Parser) Match(typ TokenType, val string) *Token { if t := p.Peek(typ, val); t != nil { p.Consume() return t } return nil }
go
{ "resource": "" }
q6672
Peek
train
func (p *Parser) Peek(typ TokenType, val string) *Token { return p.PeekN(0, typ, val) }
go
{ "resource": "" }
q6673
Error
train
func (p *Parser) Error(msg string, token *Token) *Error { if token == nil { // Set current token token = p.Current() if token == nil { // Set to last token if len(p.tokens) > 0 { token = p.tokens[len(p.tokens)-1] } } } var line, col int if token != nil { line = token.Line col = token.Col } return &Error{ Template: p.template, Filename: p.name, Sender: "parser", Line: line, Column: col, Token: token, OrigError: errors.New(msg), } }
go
{ "resource": "" }
q6674
ExecuteWriterUnbuffered
train
func (tpl *Template) ExecuteWriterUnbuffered(context Context, writer io.Writer) error { return tpl.newTemplateWriterAndExecute(context, writer) }
go
{ "resource": "" }
q6675
Execute
train
func (tpl *Template) Execute(context Context) (string, error) { // Execute template buffer, err := tpl.newBufferAndExecute(context) if err != nil { return "", err } return buffer.String(), nil }
go
{ "resource": "" }
q6676
MustNewLocalFileSystemLoader
train
func MustNewLocalFileSystemLoader(baseDir string) *LocalFilesystemLoader { fs, err := NewLocalFileSystemLoader(baseDir) if err != nil { log.Panic(err) } return fs }
go
{ "resource": "" }
q6677
Get
train
func (fs *LocalFilesystemLoader) Get(path string) (io.Reader, error) { buf, err := ioutil.ReadFile(path) if err != nil { return nil, err } return bytes.NewReader(buf), nil }
go
{ "resource": "" }
q6678
NewSandboxedFilesystemLoader
train
func NewSandboxedFilesystemLoader(baseDir string) (*SandboxedFilesystemLoader, error) { fs, err := NewLocalFileSystemLoader(baseDir) if err != nil { return nil, err } return &SandboxedFilesystemLoader{ LocalFilesystemLoader: fs, }, nil }
go
{ "resource": "" }
q6679
BanTag
train
func (set *TemplateSet) BanTag(name string) error { _, has := tags[name] if !has { return errors.Errorf("tag '%s' not found", name) } if set.firstTemplateCreated { return errors.New("you cannot ban any tags after you've added your first template to your template set") } _, has = set.bannedTags[name] if has { return errors.Errorf("tag '%s' is already banned", name) } set.bannedTags[name] = true return nil }
go
{ "resource": "" }
q6680
BanFilter
train
func (set *TemplateSet) BanFilter(name string) error { _, has := filters[name] if !has { return errors.Errorf("filter '%s' not found", name) } if set.firstTemplateCreated { return errors.New("you cannot ban any filters after you've added your first template to your template set") } _, has = set.bannedFilters[name] if has { return errors.Errorf("filter '%s' is already banned", name) } set.bannedFilters[name] = true return nil }
go
{ "resource": "" }
q6681
CleanCache
train
func (set *TemplateSet) CleanCache(filenames ...string) { set.templateCacheMutex.Lock() defer set.templateCacheMutex.Unlock() if len(filenames) == 0 { set.templateCache = make(map[string]*Template, len(set.templateCache)) } for _, filename := range filenames { delete(set.templateCache, set.resolveFilename(nil, filename)) } }
go
{ "resource": "" }
q6682
FromString
train
func (set *TemplateSet) FromString(tpl string) (*Template, error) { set.firstTemplateCreated = true return newTemplateString(set, []byte(tpl)) }
go
{ "resource": "" }
q6683
FromBytes
train
func (set *TemplateSet) FromBytes(tpl []byte) (*Template, error) { set.firstTemplateCreated = true return newTemplateString(set, tpl) }
go
{ "resource": "" }
q6684
FromFile
train
func (set *TemplateSet) FromFile(filename string) (*Template, error) { set.firstTemplateCreated = true fd, err := set.loader.Get(set.resolveFilename(nil, filename)) if err != nil { return nil, &Error{ Filename: filename, Sender: "fromfile", OrigError: err, } } buf, err := ioutil.ReadAll(fd) if err != nil { return nil, &Error{ Filename: filename, Sender: "fromfile", OrigError: err, } } return newTemplate(set, filename, false, buf) }
go
{ "resource": "" }
q6685
RenderTemplateString
train
func (set *TemplateSet) RenderTemplateString(s string, ctx Context) (string, error) { set.firstTemplateCreated = true tpl := Must(set.FromString(s)) result, err := tpl.Execute(ctx) if err != nil { return "", err } return result, nil }
go
{ "resource": "" }
q6686
RenderTemplateBytes
train
func (set *TemplateSet) RenderTemplateBytes(b []byte, ctx Context) (string, error) { set.firstTemplateCreated = true tpl := Must(set.FromBytes(b)) result, err := tpl.Execute(ctx) if err != nil { return "", err } return result, nil }
go
{ "resource": "" }
q6687
RenderTemplateFile
train
func (set *TemplateSet) RenderTemplateFile(fn string, ctx Context) (string, error) { set.firstTemplateCreated = true tpl := Must(set.FromFile(fn)) result, err := tpl.Execute(ctx) if err != nil { return "", err } return result, nil }
go
{ "resource": "" }
q6688
AsSafeValue
train
func AsSafeValue(i interface{}) *Value { return &Value{ val: reflect.ValueOf(i), safe: true, } }
go
{ "resource": "" }
q6689
IsFloat
train
func (v *Value) IsFloat() bool { return v.getResolvedValue().Kind() == reflect.Float32 || v.getResolvedValue().Kind() == reflect.Float64 }
go
{ "resource": "" }
q6690
IsInteger
train
func (v *Value) IsInteger() bool { return v.getResolvedValue().Kind() == reflect.Int || v.getResolvedValue().Kind() == reflect.Int8 || v.getResolvedValue().Kind() == reflect.Int16 || v.getResolvedValue().Kind() == reflect.Int32 || v.getResolvedValue().Kind() == reflect.Int64 || v.getResolvedValue().Kind() == reflect.Uint || v.getResolvedValue().Kind() == reflect.Uint8 || v.getResolvedValue().Kind() == reflect.Uint16 || v.getResolvedValue().Kind() == reflect.Uint32 || v.getResolvedValue().Kind() == reflect.Uint64 }
go
{ "resource": "" }
q6691
Len
train
func (v *Value) Len() int { switch v.getResolvedValue().Kind() { case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice: return v.getResolvedValue().Len() case reflect.String: runes := []rune(v.getResolvedValue().String()) return len(runes) default: logf("Value.Len() not available for type: %s\n", v.getResolvedValue().Kind().String()) return 0 } }
go
{ "resource": "" }
q6692
Index
train
func (v *Value) Index(i int) *Value { switch v.getResolvedValue().Kind() { case reflect.Array, reflect.Slice: if i >= v.Len() { return AsValue(nil) } return AsValue(v.getResolvedValue().Index(i).Interface()) case reflect.String: //return AsValue(v.getResolvedValue().Slice(i, i+1).Interface()) s := v.getResolvedValue().String() runes := []rune(s) if i < len(runes) { return AsValue(string(runes[i])) } return AsValue("") default: logf("Value.Slice() not available for type: %s\n", v.getResolvedValue().Kind().String()) return AsValue([]int{}) } }
go
{ "resource": "" }
q6693
Interface
train
func (v *Value) Interface() interface{} { if v.val.IsValid() { return v.val.Interface() } return nil }
go
{ "resource": "" }
q6694
EqualValueTo
train
func (v *Value) EqualValueTo(other *Value) bool { // comparison of uint with int fails using .Interface()-comparison (see issue #64) if v.IsInteger() && other.IsInteger() { return v.Integer() == other.Integer() } return v.Interface() == other.Interface() }
go
{ "resource": "" }
q6695
MustApplyFilter
train
func MustApplyFilter(name string, value *Value, param *Value) *Value { val, err := ApplyFilter(name, value, param) if err != nil { panic(err) } return val }
go
{ "resource": "" }
q6696
NewMockCollectorReader
train
func NewMockCollectorReader(ctrl *gomock.Controller) *MockCollectorReader { mock := &MockCollectorReader{ctrl: ctrl} mock.recorder = &MockCollectorReaderMockRecorder{mock} return mock }
go
{ "resource": "" }
q6697
GetAllRecords
train
func (mr *MockCollectorReaderMockRecorder) GetAllRecords() *gomock.Call { return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetAllRecords", reflect.TypeOf((*MockCollectorReader)(nil).GetAllRecords)) }
go
{ "resource": "" }
q6698
GetUserRecords
train
func (m *MockCollectorReader) GetUserRecords() map[string]*collector.UserRecord { ret := m.ctrl.Call(m, "GetUserRecords") ret0, _ := ret[0].(map[string]*collector.UserRecord) return ret0 }
go
{ "resource": "" }
q6699
NewMockCollector
train
func NewMockCollector(ctrl *gomock.Controller) *MockCollector { mock := &MockCollector{ctrl: ctrl} mock.recorder = &MockCollectorMockRecorder{mock} return mock }
go
{ "resource": "" }