[refactoring] internal position package

This commit is contained in:
Vadym Slizov
2020-06-29 14:38:10 +03:00
parent ee673e5667
commit 7eff83624e
9 changed files with 2953 additions and 2994 deletions

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@@ -0,0 +1,204 @@
package position
import (
"github.com/z7zmey/php-parser/internal/scanner"
"github.com/z7zmey/php-parser/pkg/ast"
"github.com/z7zmey/php-parser/pkg/position"
)
type startPos struct {
startLine int
startPos int
}
type endPos struct {
endLine int
endPos int
}
func getListStartPos(l []ast.Vertex) startPos {
if l == nil {
return startPos{-1, -1}
}
if len(l) == 0 {
return startPos{-1, -1}
}
return getNodeStartPos(l[0])
}
func getNodeStartPos(n ast.Vertex) startPos {
sl := -1
sp := -1
if n == nil {
return startPos{-1, -1}
}
p := n.GetNode().Position
if p != nil {
sl = p.StartLine
sp = p.StartPos
}
return startPos{sl, sp}
}
func getListEndPos(l []ast.Vertex) endPos {
if l == nil {
return endPos{-1, -1}
}
if len(l) == 0 {
return endPos{-1, -1}
}
return getNodeEndPos(l[len(l)-1])
}
func getNodeEndPos(n ast.Vertex) endPos {
el := -1
ep := -1
if n == nil {
return endPos{-1, -1}
}
p := n.GetNode().Position
if p != nil {
el = p.EndLine
ep = p.EndPos
}
return endPos{el, ep}
}
// NewNodeListPosition returns new Position
func NewNodeListPosition(list []ast.Vertex) *position.Position {
return &position.Position{
StartLine: getListStartPos(list).startLine,
EndLine: getListEndPos(list).endLine,
StartPos: getListStartPos(list).startPos,
EndPos: getListEndPos(list).endPos,
}
}
// NewNodePosition returns new Position
func NewNodePosition(n ast.Vertex) *position.Position {
return &position.Position{
StartLine: getNodeStartPos(n).startLine,
EndLine: getNodeEndPos(n).endLine,
StartPos: getNodeStartPos(n).startPos,
EndPos: getNodeEndPos(n).endPos,
}
}
// NewTokenPosition returns new Position
func NewTokenPosition(t *scanner.Token) *position.Position {
return &position.Position{
StartLine: t.Position.StartLine,
EndLine: t.Position.EndLine,
StartPos: t.Position.StartPos,
EndPos: t.Position.EndPos,
}
}
// NewTokensPosition returns new Position
func NewTokensPosition(startToken *scanner.Token, endToken *scanner.Token) *position.Position {
return &position.Position{
StartLine: startToken.Position.StartLine,
EndLine: endToken.Position.EndLine,
StartPos: startToken.Position.StartPos,
EndPos: endToken.Position.EndPos,
}
}
// NewTokenNodePosition returns new Position
func NewTokenNodePosition(t *scanner.Token, n ast.Vertex) *position.Position {
return &position.Position{
StartLine: t.Position.StartLine,
EndLine: getNodeEndPos(n).endLine,
StartPos: t.Position.StartPos,
EndPos: getNodeEndPos(n).endPos,
}
}
// NewNodeTokenPosition returns new Position
func NewNodeTokenPosition(n ast.Vertex, t *scanner.Token) *position.Position {
return &position.Position{
StartLine: getNodeStartPos(n).startLine,
EndLine: t.Position.EndLine,
StartPos: getNodeStartPos(n).startPos,
EndPos: t.Position.EndPos,
}
}
// NewNodesPosition returns new Position
func NewNodesPosition(startNode ast.Vertex, endNode ast.Vertex) *position.Position {
return &position.Position{
StartLine: getNodeStartPos(startNode).startLine,
EndLine: getNodeEndPos(endNode).endLine,
StartPos: getNodeStartPos(startNode).startPos,
EndPos: getNodeEndPos(endNode).endPos,
}
}
// NewNodeListTokenPosition returns new Position
func NewNodeListTokenPosition(list []ast.Vertex, t *scanner.Token) *position.Position {
return &position.Position{
StartLine: getListStartPos(list).startLine,
EndLine: t.Position.EndLine,
StartPos: getListStartPos(list).startPos,
EndPos: t.Position.EndPos,
}
}
// NewTokenNodeListPosition returns new Position
func NewTokenNodeListPosition(t *scanner.Token, list []ast.Vertex) *position.Position {
return &position.Position{
StartLine: t.Position.StartLine,
EndLine: getListEndPos(list).endLine,
StartPos: t.Position.StartPos,
EndPos: getListEndPos(list).endPos,
}
}
// NewNodeNodeListPosition returns new Position
func NewNodeNodeListPosition(n ast.Vertex, list []ast.Vertex) *position.Position {
return &position.Position{
StartLine: getNodeStartPos(n).startLine,
EndLine: getListEndPos(list).endLine,
StartPos: getNodeStartPos(n).startPos,
EndPos: getListEndPos(list).endPos,
}
}
// NewNodeListNodePosition returns new Position
func NewNodeListNodePosition(list []ast.Vertex, n ast.Vertex) *position.Position {
return &position.Position{
StartLine: getListStartPos(list).startLine,
EndLine: getNodeEndPos(n).endLine,
StartPos: getListStartPos(list).startPos,
EndPos: getNodeEndPos(n).endPos,
}
}
// NewOptionalListTokensPosition returns new Position
func NewOptionalListTokensPosition(list []ast.Vertex, t *scanner.Token, endToken *scanner.Token) *position.Position {
if list == nil {
return &position.Position{
StartLine: t.Position.StartLine,
EndLine: endToken.Position.EndLine,
StartPos: t.Position.StartPos,
EndPos: endToken.Position.EndPos,
}
}
return &position.Position{
StartLine: getListStartPos(list).startLine,
EndLine: endToken.Position.EndLine,
StartPos: getListStartPos(list).startPos,
EndPos: endToken.Position.EndPos,
}
}

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package position_test
import (
"gotest.tools/assert"
"testing"
builder "github.com/z7zmey/php-parser/internal/position"
"github.com/z7zmey/php-parser/internal/scanner"
"github.com/z7zmey/php-parser/pkg/ast"
"github.com/z7zmey/php-parser/pkg/position"
)
func TestNewTokenPosition(t *testing.T) {
tkn := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 3,
},
}
pos := builder.NewTokenPosition(tkn)
assert.DeepEqual(t, &position.Position{1, 1, 0, 3}, pos)
assert.DeepEqual(t, &position.Position{1, 1, 0, 3}, pos)
}
func TestNewTokensPosition(t *testing.T) {
token1 := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 3,
},
}
token2 := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 2,
EndLine: 2,
StartPos: 4,
EndPos: 6,
},
}
pos := builder.NewTokensPosition(token1, token2)
assert.DeepEqual(t, &position.Position{1, 2, 0, 6}, pos)
}
func TestNewNodePosition(t *testing.T) {
n := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 3,
},
},
}
pos := builder.NewNodePosition(n)
assert.DeepEqual(t, &position.Position{1, 1, 0, 3}, pos)
}
func TestNewTokenNodePosition(t *testing.T) {
tkn := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 3,
},
}
n := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 2,
EndLine: 2,
StartPos: 4,
EndPos: 12,
},
},
}
pos := builder.NewTokenNodePosition(tkn, n)
assert.DeepEqual(t, &position.Position{1, 2, 0, 12}, pos)
}
func TestNewNodeTokenPosition(t *testing.T) {
n := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 9,
},
},
}
tkn := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 2,
EndLine: 2,
StartPos: 10,
EndPos: 12,
},
}
pos := builder.NewNodeTokenPosition(n, tkn)
assert.DeepEqual(t, &position.Position{1, 2, 0, 12}, pos)
}
func TestNewNodeListPosition(t *testing.T) {
n1 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 9,
},
},
}
n2 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 2,
EndLine: 2,
StartPos: 10,
EndPos: 19,
},
},
}
pos := builder.NewNodeListPosition([]ast.Vertex{n1, n2})
assert.DeepEqual(t, &position.Position{1, 2, 0, 19}, pos)
}
func TestNewNodesPosition(t *testing.T) {
n1 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 9,
},
},
}
n2 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 2,
EndLine: 2,
StartPos: 10,
EndPos: 19,
},
},
}
pos := builder.NewNodesPosition(n1, n2)
assert.DeepEqual(t, &position.Position{1, 2, 0, 19}, pos)
}
func TestNewNodeListTokenPosition(t *testing.T) {
n1 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 9,
},
},
}
n2 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 2,
EndLine: 2,
StartPos: 10,
EndPos: 19,
},
},
}
tkn := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 3,
EndLine: 3,
StartPos: 20,
EndPos: 22,
},
}
pos := builder.NewNodeListTokenPosition([]ast.Vertex{n1, n2}, tkn)
assert.DeepEqual(t, &position.Position{1, 3, 0, 22}, pos)
}
func TestNewTokenNodeListPosition(t *testing.T) {
tkn := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 2,
},
}
n1 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 2,
EndLine: 2,
StartPos: 3,
EndPos: 10,
},
},
}
n2 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 3,
EndLine: 3,
StartPos: 11,
EndPos: 20,
},
},
}
pos := builder.NewTokenNodeListPosition(tkn, []ast.Vertex{n1, n2})
assert.DeepEqual(t, &position.Position{1, 3, 0, 20}, pos)
}
func TestNewNodeNodeListPosition(t *testing.T) {
n1 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 8,
},
},
}
n2 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 2,
EndLine: 2,
StartPos: 9,
EndPos: 17,
},
},
}
n3 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 3,
EndLine: 3,
StartPos: 18,
EndPos: 26,
},
},
}
pos := builder.NewNodeNodeListPosition(n1, []ast.Vertex{n2, n3})
assert.DeepEqual(t, &position.Position{1, 3, 0, 26}, pos)
}
func TestNewNodeListNodePosition(t *testing.T) {
n1 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 8,
},
},
}
n2 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 2,
EndLine: 2,
StartPos: 9,
EndPos: 17,
},
},
}
n3 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 3,
EndLine: 3,
StartPos: 18,
EndPos: 26,
},
},
}
pos := builder.NewNodeListNodePosition([]ast.Vertex{n1, n2}, n3)
assert.DeepEqual(t, &position.Position{1, 3, 0, 26}, pos)
}
func TestNewOptionalListTokensPosition(t *testing.T) {
token1 := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 3,
},
}
token2 := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 2,
EndLine: 2,
StartPos: 4,
EndPos: 6,
},
}
pos := builder.NewOptionalListTokensPosition(nil, token1, token2)
assert.DeepEqual(t, &position.Position{1, 2, 0, 6}, pos)
}
func TestNewOptionalListTokensPosition2(t *testing.T) {
n2 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 2,
EndLine: 2,
StartPos: 9,
EndPos: 17,
},
},
}
n3 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 3,
EndLine: 3,
StartPos: 18,
EndPos: 26,
},
},
}
token1 := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 4,
EndLine: 4,
StartPos: 27,
EndPos: 29,
},
}
token2 := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 5,
EndLine: 5,
StartPos: 30,
EndPos: 32,
},
}
pos := builder.NewOptionalListTokensPosition([]ast.Vertex{n2, n3}, token1, token2)
assert.DeepEqual(t, &position.Position{2, 5, 9, 32}, pos)
}
func TestNilNodePos(t *testing.T) {
pos := builder.NewNodesPosition(nil, nil)
assert.DeepEqual(t, &position.Position{-1, -1, -1, -1}, pos)
}
func TestNilNodeListPos(t *testing.T) {
n1 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 8,
},
},
}
pos := builder.NewNodeNodeListPosition(n1, nil)
assert.DeepEqual(t, &position.Position{1, -1, 0, -1}, pos)
}
func TestNilNodeListTokenPos(t *testing.T) {
token := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 3,
},
}
pos := builder.NewNodeListTokenPosition(nil, token)
assert.DeepEqual(t, &position.Position{-1, 1, -1, 3}, pos)
}
func TestEmptyNodeListPos(t *testing.T) {
n1 := &ast.Identifier{
Node: ast.Node{
Position: &position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 8,
},
},
}
pos := builder.NewNodeNodeListPosition(n1, []ast.Vertex{})
assert.DeepEqual(t, &position.Position{1, -1, 0, -1}, pos)
}
func TestEmptyNodeListTokenPos(t *testing.T) {
token := &scanner.Token{
Value: []byte(`foo`),
Position: position.Position{
StartLine: 1,
EndLine: 1,
StartPos: 0,
EndPos: 3,
},
}
pos := builder.NewNodeListTokenPosition([]ast.Vertex{}, token)
assert.DeepEqual(t, &position.Position{-1, 1, -1, 3}, pos)
}