Gecko [ 167.86.127.34 ]

Name	Size	Permission
builtin	[ DIR ]	drwxr-xr-x
testdata	[ DIR ]	drwxr-xr-x
alg.go	16.28 KB	-rw-r--r--
align.go	9.85 KB	-rw-r--r--
bexport.go	4.41 KB	-rw-r--r--
bimport.go	667 B	-rw-r--r--
bitset.go	1.15 KB	-rw-r--r--
bootstrap.go	311 B	-rw-r--r--
builtin.go	16.41 KB	-rw-r--r--
builtin_test.go	622 B	-rw-r--r--
bv.go	5.5 KB	-rw-r--r--
class_string.go	712 B	-rw-r--r--
closure.go	15.57 KB	-rw-r--r--
const.go	27.21 KB	-rw-r--r--
constFold_test.go	322.99 KB	-rw-r--r--
dcl.go	28.37 KB	-rw-r--r--
dep_test.go	587 B	-rw-r--r--
dump.go	6.37 KB	-rw-r--r--
dwinl.go	10.07 KB	-rw-r--r--
esc.go	12.22 KB	-rw-r--r--
escape.go	37.37 KB	-rw-r--r--
export.go	5.33 KB	-rw-r--r--
fixedbugs_test.go	2.23 KB	-rw-r--r--
float_test.go	11.51 KB	-rw-r--r--
fmt.go	41.71 KB	-rw-r--r--
gen.go	2.33 KB	-rw-r--r--
global_test.go	2.57 KB	-rw-r--r--
go.go	7.4 KB	-rw-r--r--
gsubr.go	9.08 KB	-rw-r--r--
iexport.go	31.65 KB	-rw-r--r--
iface_test.go	1.92 KB	-rw-r--r--
iimport.go	22.79 KB	-rw-r--r--
init.go	3.29 KB	-rw-r--r--
initorder.go	9.84 KB	-rw-r--r--
inl.go	35.08 KB	-rw-r--r--
inl_test.go	6.64 KB	-rw-r--r--
lang_test.go	1.46 KB	-rw-r--r--
lex.go	5.96 KB	-rw-r--r--
lex_test.go	3.63 KB	-rw-r--r--
logic_test.go	11.08 KB	-rw-r--r--
main.go	43.75 KB	-rw-r--r--
mapfile_mmap.go	1.21 KB	-rw-r--r--
mapfile_read.go	485 B	-rw-r--r--
mkbuiltin.go	5.34 KB	-rw-r--r--
mpfloat.go	6.56 KB	-rw-r--r--
mpint.go	5.34 KB	-rw-r--r--
noder.go	37.65 KB	-rw-r--r--
obj.go	11.44 KB	-rw-r--r--
op_string.go	4.88 KB	-rw-r--r--
order.go	37.39 KB	-rw-r--r--
pgen.go	21.66 KB	-rw-r--r--
pgen_test.go	6.01 KB	-rw-r--r--
phi.go	14.72 KB	-rw-r--r--
plive.go	44.51 KB	-rw-r--r--
pprof.go	274 B	-rw-r--r--
racewalk.go	2.61 KB	-rw-r--r--
range.go	13.72 KB	-rw-r--r--
reflect.go	48.07 KB	-rw-r--r--
reproduciblebuilds_test.go	1.46 KB	-rw-r--r--
scc.go	4.18 KB	-rw-r--r--
scope.go	2.8 KB	-rw-r--r--
scope_test.go	13.67 KB	-rw-r--r--
select.go	9.16 KB	-rw-r--r--
shift_test.go	21.46 KB	-rw-r--r--
sinit.go	26.75 KB	-rw-r--r--
sizeof_test.go	844 B	-rw-r--r--
ssa.go	224.4 KB	-rw-r--r--
ssa_test.go	5.1 KB	-rw-r--r--
subr.go	43.73 KB	-rw-r--r--
swt.go	18.51 KB	-rw-r--r--
syntax.go	36.41 KB	-rw-r--r--
timings.go	5.75 KB	-rw-r--r--
trace.go	494 B	-rw-r--r--
truncconst_test.go	1.76 KB	-rw-r--r--
typecheck.go	87.11 KB	-rw-r--r--
types.go	1.19 KB	-rw-r--r--
types_acc.go	491 B	-rw-r--r--
universe.go	10.88 KB	-rw-r--r--
unsafe.go	1.8 KB	-rw-r--r--
util.go	2.18 KB	-rw-r--r--
walk.go	101.89 KB	-rw-r--r--
zerorange_test.go	1.89 KB	-rw-r--r--

Code Editor : bexport.go

// Copyright 2015 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 gc

import (
	"cmd/compile/internal/types"
)

type exporter struct {
	marked map[*types.Type]bool // types already seen by markType
}

// markType recursively visits types reachable from t to identify
// functions whose inline bodies may be needed.
func (p *exporter) markType(t *types.Type) {
	if p.marked[t] {
		return
	}
	p.marked[t] = true

// If this is a named type, mark all of its associated
	// methods. Skip interface types because t.Methods contains
	// only their unexpanded method set (i.e., exclusive of
	// interface embeddings), and the switch statement below
	// handles their full method set.
	if t.Sym != nil && t.Etype != TINTER {
		for _, m := range t.Methods().Slice() {
			if types.IsExported(m.Sym.Name) {
				p.markType(m.Type)
			}
		}
	}

// Recursively mark any types that can be produced given a
	// value of type t: dereferencing a pointer; indexing or
	// iterating over an array, slice, or map; receiving from a
	// channel; accessing a struct field or interface method; or
	// calling a function.
	//
	// Notably, we don't mark function parameter types, because
	// the user already needs some way to construct values of
	// those types.
	switch t.Etype {
	case TPTR, TARRAY, TSLICE:
		p.markType(t.Elem())

case TCHAN:
		if t.ChanDir().CanRecv() {
			p.markType(t.Elem())
		}

case TMAP:
		p.markType(t.Key())
		p.markType(t.Elem())

case TSTRUCT:
		for _, f := range t.FieldSlice() {
			if types.IsExported(f.Sym.Name) || f.Embedded != 0 {
				p.markType(f.Type)
			}
		}

case TFUNC:
		// If t is the type of a function or method, then
		// t.Nname() is its ONAME. Mark its inline body and
		// any recursively called functions for export.
		inlFlood(asNode(t.Nname()))

for _, f := range t.Results().FieldSlice() {
			p.markType(f.Type)
		}

case TINTER:
		for _, f := range t.FieldSlice() {
			if types.IsExported(f.Sym.Name) {
				p.markType(f.Type)
			}
		}
	}
}

// deltaNewFile is a magic line delta offset indicating a new file.
// We use -64 because it is rare; see issue 20080 and CL 41619.
// -64 is the smallest int that fits in a single byte as a varint.
const deltaNewFile = -64

// ----------------------------------------------------------------------------
// Export format

// Tags. Must be < 0.
const (
	// Objects
	packageTag = -(iota + 1)
	constTag
	typeTag
	varTag
	funcTag
	endTag

// Types
	namedTag
	arrayTag
	sliceTag
	dddTag
	structTag
	pointerTag
	signatureTag
	interfaceTag
	mapTag
	chanTag

// Values
	falseTag
	trueTag
	int64Tag
	floatTag
	fractionTag // not used by gc
	complexTag
	stringTag
	nilTag
	unknownTag // not used by gc (only appears in packages with errors)

// Type aliases
	aliasTag
)

// untype returns the "pseudo" untyped type for a Ctype (import/export use only).
// (we can't use a pre-initialized array because we must be sure all types are
// set up)
func untype(ctype Ctype) *types.Type {
	switch ctype {
	case CTINT:
		return types.Idealint
	case CTRUNE:
		return types.Idealrune
	case CTFLT:
		return types.Idealfloat
	case CTCPLX:
		return types.Idealcomplex
	case CTSTR:
		return types.Idealstring
	case CTBOOL:
		return types.Idealbool
	case CTNIL:
		return types.Types[TNIL]
	}
	Fatalf("exporter: unknown Ctype")
	return nil
}

var predecl []*types.Type // initialized lazily

func predeclared() []*types.Type {
	if predecl == nil {
		// initialize lazily to be sure that all
		// elements have been initialized before
		predecl = []*types.Type{
			// basic types
			types.Types[TBOOL],
			types.Types[TINT],
			types.Types[TINT8],
			types.Types[TINT16],
			types.Types[TINT32],
			types.Types[TINT64],
			types.Types[TUINT],
			types.Types[TUINT8],
			types.Types[TUINT16],
			types.Types[TUINT32],
			types.Types[TUINT64],
			types.Types[TUINTPTR],
			types.Types[TFLOAT32],
			types.Types[TFLOAT64],
			types.Types[TCOMPLEX64],
			types.Types[TCOMPLEX128],
			types.Types[TSTRING],

// basic type aliases
			types.Bytetype,
			types.Runetype,

// error
			types.Errortype,

// untyped types
			untype(CTBOOL),
			untype(CTINT),
			untype(CTRUNE),
			untype(CTFLT),
			untype(CTCPLX),
			untype(CTSTR),
			untype(CTNIL),

// package unsafe
			types.Types[TUNSAFEPTR],

// invalid type (package contains errors)
			types.Types[Txxx],

// any type, for builtin export data
			types.Types[TANY],
		}
	}
	return predecl
}

${this.title}

Code Editor : bexport.go