package main

import (
	"go/ast"
	"go/token"
)

func (f *File) walkUnexpected(x interface{}, context astContext, visit func(*File, interface{}, astContext)) {
	switch n := x.(type) {
	default:
		error_(token.NoPos, "unexpected type %T in walk", x)
		panic("unexpected type")

	case *ast.IndexListExpr:
		f.walk(&n.X, ctxExpr, visit)
		f.walk(n.Indices, ctxExpr, visit)
	}
}

	"cmd/internal/src"
	"fmt"
	"strings"
	"testing"
	"text/scanner"
)

func mkParamResultField(t *types.Type, s *types.Sym, which ir.Class) *types.Field {
	field := types.NewField(src.NoXPos, s, t)
	n := ir.NewNameAt(src.NoXPos, s, t)
	n.Class = which
	field.Nname = n
	return field
}

// mkstruct is a helper routine to create a struct type with fields
// of the types specified in 'fieldtypes'.

	}

	s := types.BuiltinPkg.Lookup("true")
	s.Def = ir.NewConstAt(src.NoXPos, s, types.UntypedBool, constant.MakeBool(true))

	s = types.BuiltinPkg.Lookup("false")
	s.Def = ir.NewConstAt(src.NoXPos, s, types.UntypedBool, constant.MakeBool(false))

	s = Lookup("_")
	types.BlankSym = s
	ir.BlankNode = ir.NewNameAt(src.NoXPos, s, types.Types[types.TBLANK])
	s.Def = ir.BlankNode

	s = types.BuiltinPkg.Lookup("_")

	min := 0        // inclusive
	max := f.Size() // exclusive
	for {
		offset := (min + max) / 2
		pos := f.Pos(offset)
		posn := f.Position(pos)
		if posn.Line == line {
			return pos - (token.Pos(posn.Column) - 1)
		}

		if min+1 >= max {
			return token.NoPos
		}

		if posn.Line < line {
			min = offset
		} else {
			max = offset
		}
	}
}

	switch e := n.(type) {
	case *ast.IndexExpr:
		return e.X, e.Lbrack, []ast.Expr{e.Index}, e.Rbrack
	case *ast.IndexListExpr:
		return e.X, e.Lbrack, e.Indices, e.Rbrack
	}
	return nil, token.NoPos, nil, token.NoPos
}

// PackIndexExpr returns an *ast.IndexExpr or *ast.IndexListExpr, depending on
// the cardinality of indices. Calling PackIndexExpr with len(indices) == 0
// will panic.

	return &Var{object: object{nil, pos, pkg, name, typ, 0, colorFor(typ), nopos}}
}

// NewParam returns a new variable representing a function parameter.
func NewParam(pos syntax.Pos, pkg *Package, name string, typ Type) *Var {
	return &Var{object: object{nil, pos, pkg, name, typ, 0, colorFor(typ), nopos}, used: true} // parameters are always 'used'
}

	bfile := src.NewFileBase("b.go", "/foo/bar/b.go")
	lfile := src.NewLinePragmaBase(src.MakePos(afile, 8, 1), "linedir", "linedir", 100, 1)

	var tests = []struct {
		pos  src.Pos
		want string
	}{
		{src.NoPos, "??:0"},
		{src.MakePos(afile, 1, 0), "a.go:1"},
		{src.MakePos(afile, 2, 0), "a.go:2"},
		{src.MakePos(bfile, 10, 4), "/foo/bar/b.go:10"},
		{src.MakePos(lfile, 10, 0), "linedir:102"}, // 102 == 100 + (10 - (7+1))
	}

    ],
)

tf_cc_test(
    name = "device_compiler_serialize_test",
    srcs = [
        "device_compiler_serialize_test.cc",
    ],
    tags = [
        "config-cuda-only",
        "no_oss",  # This test only runs with GPU.
        "requires-gpu-nvidia",
        "xla",
    ],
    deps = [
        ":device_compiler_test_helper",
        "//tensorflow/compiler/jit:compilation_passes",

	return &Var{object: object{nil, pos, pkg, name, typ, 0, colorFor(typ), nopos}}
}

// NewParam returns a new variable representing a function parameter.
func NewParam(pos token.Pos, pkg *Package, name string, typ Type) *Var {
	return &Var{object: object{nil, pos, pkg, name, typ, 0, colorFor(typ), nopos}, used: true} // parameters are always 'used'
}

		fn := ir.NewFunc(src.NoXPos, src.NoXPos, pkg.Lookup("function"), types.NewSignature(nil, nil, nil))
		fn.DeclareParams(true)
		fn.LSym = &obj.LSym{Name: "my/import/path.function"}

		c.fe = TestFrontend{
			t:    c.tb,
			ctxt: c.config.ctxt,
			f:    fn,
		}
	}
	return c.fe
}

func (c *Conf) Temp(typ *types.Type) *ir.Name {
	n := ir.NewNameAt(src.NoXPos, &types.Sym{Name: "aFakeAuto"}, typ)