// license that can be found in the LICENSE file.

package src

import (
	"testing"
	"unsafe"
)

func TestNoXPos(t *testing.T) {
	var tab PosTable
	if tab.Pos(NoXPos) != NoPos {
		t.Errorf("failed to translate NoXPos to Pos using zero PosTable")
	}
}

func TestConversion(t *testing.T) {
	b1 := NewFileBase("b1", "b1")
	b2 := NewFileBase("b2", "b2")

func importfunc(s *types.Sym, t *types.Type) {
	fn := ir.NewFunc(src.NoXPos, src.NoXPos, s, t)
	importsym(fn.Nname)
}

// importvar declares symbol s as an imported variable with type t.
func importvar(s *types.Sym, t *types.Type) {
	n := ir.NewNameAt(src.NoXPos, s, t)
	n.Class = ir.PEXTERN
	importsym(n)
}

func importsym(name *ir.Name) {
	sym := name.Sym()

	}

	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("_")

	"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'.

		if firstPosIndex == -1 { // Effectively empty block, check block's own Pos, consider preds.
			line := src.NoXPos
			for _, p := range b.Preds {
				pbi := p.Block().ID
				if !endlines[pbi].SameFileAndLine(line) {
					if line == src.NoXPos {
						line = endlines[pbi]
						continue
					} else {
						line = src.NoXPos
						break
					}

				}
			}

	IsComplex[TCOMPLEX64] = true
	IsComplex[TCOMPLEX128] = true
}

func makeErrorInterface() *Type {
	sig := NewSignature(FakeRecv(), nil, []*Field{
		NewField(src.NoXPos, nil, Types[TSTRING]),
	})
	method := NewField(src.NoXPos, LocalPkg.Lookup("Error"), sig)
	return NewInterface([]*Field{method})
}

// makeComparableInterface makes the predefined "comparable" interface in the

		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)

	typs[107] = types.NewArray(typs[0], 3)
	typs[108] = types.NewStruct([]*types.Field{types.NewField(src.NoXPos, Lookup("enabled"), typs[6]), types.NewField(src.NoXPos, Lookup("pad"), typs[107]), types.NewField(src.NoXPos, Lookup("cgo"), typs[6]), types.NewField(src.NoXPos, Lookup("alignme"), typs[24])})
	typs[109] = newSig(params(typs[1], typs[3], typs[3]), nil)
	typs[110] = newSig(params(typs[1], typs[3]), nil)

// positions using a lookup table.

package src

// XPos is a more compact representation of Pos.
type XPos struct {
	index int32
	lico
}

// NoXPos is a valid unknown position.
var NoXPos XPos

// IsKnown reports whether the position p is known.
// XPos.IsKnown() matches Pos.IsKnown() for corresponding
// positions.
func (p XPos) IsKnown() bool {
	return p.index != 0 || p.Line() != 0

func (m *posMap) makeXPos(pos syntax.Pos) src.XPos {
	// Predeclared objects (e.g., the result parameter for error.Error)
	// do not have a position.
	if !pos.IsKnown() {
		return src.NoXPos
	}

	posBase := m.makeSrcPosBase(pos.Base())
	return base.Ctxt.PosTable.XPos(src.MakePos(posBase, pos.Line(), pos.Col()))
}

// makeSrcPosBase translates from a *syntax.PosBase to a *src.PosBase.