save comment position

comment/comment.go

@@ -1,17 +1,28 @@
 package comment
 
+import (
+	"github.com/z7zmey/php-parser/position"
+)
+
 // Comment aggrigates information about comment /**
 type Comment struct {
 	value    string
+	position *position.Position
 }
 
 // NewComment - Comment constructor
-func NewComment(value string) *Comment {
+func NewComment(value string, pos *position.Position) *Comment {
 	return &Comment{
 		value,
+		pos,
 	}
 }
 
 func (c *Comment) String() string {
 	return c.value
 }
+
+// Position returns comment position
+func (c *Comment) Position() *position.Position {
+	return c.position
+}

comment/comment_test.go

@@ -3,6 +3,8 @@ package comment_test
 import (
 	"testing"
 
+	"github.com/z7zmey/php-parser/position"
+
 	"github.com/z7zmey/php-parser/comment"
 	"github.com/z7zmey/php-parser/node"
 )
@@ -11,8 +13,8 @@ func TestComments(t *testing.T) {
 	n := node.NewIdentifier("test")
 
 	commentGroup := []*comment.Comment{
-		comment.NewComment("/** hello world */"),
+		comment.NewComment("/** hello world */", nil),
-		comment.NewComment("// hello world"),
+		comment.NewComment("// hello world", nil),
 	}
 
 	comments := comment.Comments{}
@@ -25,3 +27,15 @@ func TestComments(t *testing.T) {
 		t.Errorf("expected and actual are not equal\n")
 	}
 }
+
+func TestCommentPos(t *testing.T) {
+	expected := position.NewPosition(0, 0, 0, 0)
+
+	comment := comment.NewComment("/** hello world */", expected)
+
+	actual := comment.Position()
+
+	if expected != actual {
+		t.Errorf("expected and actual are not equal\n")
+	}
+}

parser/position_builder.go

@@ -1,13 +1,14 @@
-package position
+package parser
 
 import (
 	"github.com/z7zmey/php-parser/node"
+	"github.com/z7zmey/php-parser/position"
 	"github.com/z7zmey/php-parser/scanner"
 )
 
 // Builder provide functions to constuct positions
 type Builder struct {
-	Positions *Positions
+	Positions *position.Positions
 }
 
 type startPos struct {
@@ -79,8 +80,8 @@ func (b *Builder) getNodeEndPos(n node.Node) endPos {
 }
 
 // NewNodeListPosition returns new Position
-func (b *Builder) NewNodeListPosition(list []node.Node) *Position {
+func (b *Builder) NewNodeListPosition(list []node.Node) *position.Position {
-	return &Position{
+	return &position.Position{
 		b.getListStartPos(list).startLine,
 		b.getListEndPos(list).endLine,
 		b.getListStartPos(list).startPos,
@@ -89,8 +90,8 @@ func (b *Builder) NewNodeListPosition(list []node.Node) *Position {
 }
 
 // NewNodePosition returns new Position
-func (b *Builder) NewNodePosition(n node.Node) *Position {
+func (b *Builder) NewNodePosition(n node.Node) *position.Position {
-	return &Position{
+	return &position.Position{
 		b.getNodeStartPos(n).startLine,
 		b.getNodeEndPos(n).endLine,
 		b.getNodeStartPos(n).startPos,
@@ -99,8 +100,8 @@ func (b *Builder) NewNodePosition(n node.Node) *Position {
 }
 
 // NewTokenPosition returns new Position
-func (b *Builder) NewTokenPosition(t scanner.Token) *Position {
+func (b *Builder) NewTokenPosition(t scanner.Token) *position.Position {
-	return &Position{
+	return &position.Position{
 		t.StartLine,
 		t.EndLine,
 		t.StartPos,
@@ -109,8 +110,8 @@ func (b *Builder) NewTokenPosition(t scanner.Token) *Position {
 }
 
 // NewTokensPosition returns new Position
-func (b *Builder) NewTokensPosition(startToken scanner.Token, endToken scanner.Token) *Position {
+func (b *Builder) NewTokensPosition(startToken scanner.Token, endToken scanner.Token) *position.Position {
-	return &Position{
+	return &position.Position{
 		startToken.StartLine,
 		endToken.EndLine,
 		startToken.StartPos,
@@ -119,8 +120,8 @@ func (b *Builder) NewTokensPosition(startToken scanner.Token, endToken scanner.T
 }
 
 // NewTokenNodePosition returns new Position
-func (b *Builder) NewTokenNodePosition(t scanner.Token, n node.Node) *Position {
+func (b *Builder) NewTokenNodePosition(t scanner.Token, n node.Node) *position.Position {
-	return &Position{
+	return &position.Position{
 		t.StartLine,
 		b.getNodeEndPos(n).endLine,
 		t.StartPos,
@@ -129,8 +130,8 @@ func (b *Builder) NewTokenNodePosition(t scanner.Token, n node.Node) *Position {
 }
 
 // NewNodeTokenPosition returns new Position
-func (b *Builder) NewNodeTokenPosition(n node.Node, t scanner.Token) *Position {
+func (b *Builder) NewNodeTokenPosition(n node.Node, t scanner.Token) *position.Position {
-	return &Position{
+	return &position.Position{
 		b.getNodeStartPos(n).startLine,
 		t.EndLine,
 		b.getNodeStartPos(n).startPos,
@@ -139,8 +140,8 @@ func (b *Builder) NewNodeTokenPosition(n node.Node, t scanner.Token) *Position {
 }
 
 // NewNodesPosition returns new Position
-func (b *Builder) NewNodesPosition(startNode node.Node, endNode node.Node) *Position {
+func (b *Builder) NewNodesPosition(startNode node.Node, endNode node.Node) *position.Position {
-	return &Position{
+	return &position.Position{
 		b.getNodeStartPos(startNode).startLine,
 		b.getNodeEndPos(endNode).endLine,
 		b.getNodeStartPos(startNode).startPos,
@@ -149,8 +150,8 @@ func (b *Builder) NewNodesPosition(startNode node.Node, endNode node.Node) *Posi
 }
 
 // NewNodeListTokenPosition returns new Position
-func (b *Builder) NewNodeListTokenPosition(list []node.Node, t scanner.Token) *Position {
+func (b *Builder) NewNodeListTokenPosition(list []node.Node, t scanner.Token) *position.Position {
-	return &Position{
+	return &position.Position{
 		b.getListStartPos(list).startLine,
 		t.EndLine,
 		b.getListStartPos(list).startPos,
@@ -159,8 +160,8 @@ func (b *Builder) NewNodeListTokenPosition(list []node.Node, t scanner.Token) *P
 }
 
 // NewTokenNodeListPosition returns new Position
-func (b *Builder) NewTokenNodeListPosition(t scanner.Token, list []node.Node) *Position {
+func (b *Builder) NewTokenNodeListPosition(t scanner.Token, list []node.Node) *position.Position {
-	return &Position{
+	return &position.Position{
 		t.StartLine,
 		b.getListEndPos(list).endLine,
 		t.StartPos,
@@ -169,8 +170,8 @@ func (b *Builder) NewTokenNodeListPosition(t scanner.Token, list []node.Node) *P
 }
 
 // NewNodeNodeListPosition returns new Position
-func (b *Builder) NewNodeNodeListPosition(n node.Node, list []node.Node) *Position {
+func (b *Builder) NewNodeNodeListPosition(n node.Node, list []node.Node) *position.Position {
-	return &Position{
+	return &position.Position{
 		b.getNodeStartPos(n).startLine,
 		b.getListEndPos(list).endLine,
 		b.getNodeStartPos(n).startPos,
@@ -179,9 +180,9 @@ func (b *Builder) NewNodeNodeListPosition(n node.Node, list []node.Node) *Positi
 }
 
 // NewOptionalListTokensPosition returns new Position
-func (b *Builder) NewOptionalListTokensPosition(list []node.Node, t scanner.Token, endToken scanner.Token) *Position {
+func (b *Builder) NewOptionalListTokensPosition(list []node.Node, t scanner.Token, endToken scanner.Token) *position.Position {
 	if list == nil {
-		return &Position{
+		return &position.Position{
 			t.StartLine,
 			endToken.EndLine,
 			t.StartPos,
@@ -189,7 +190,7 @@ func (b *Builder) NewOptionalListTokensPosition(list []node.Node, t scanner.Toke
 		}
 	}
 
-	return &Position{
+	return &position.Position{
 		b.getListStartPos(list).startLine,
 		endToken.EndLine,
 		b.getListStartPos(list).startPos,

parser/position_builder_test.go

@@ -1,16 +1,17 @@
-package position_test
+package parser_test
 
 import (
 	"testing"
 
 	"github.com/z7zmey/php-parser/node"
+	"github.com/z7zmey/php-parser/parser"
 	"github.com/z7zmey/php-parser/position"
 
 	"github.com/z7zmey/php-parser/scanner"
 )
 
 func TestNewTokenPosition(t *testing.T) {
-	builder := position.Builder{}
+	builder := parser.Builder{}
 
 	tkn := scanner.NewToken([]byte(`foo`), 1, 1, 0, 3)
 
@@ -22,7 +23,7 @@ func TestNewTokenPosition(t *testing.T) {
 }
 
 func TestNewTokensPosition(t *testing.T) {
-	builder := position.Builder{}
+	builder := parser.Builder{}
 
 	token1 := scanner.NewToken([]byte(`foo`), 1, 1, 0, 3)
 	token2 := scanner.NewToken([]byte(`foo`), 2, 2, 4, 6)
@@ -45,7 +46,7 @@ func TestNewNodePosition(t *testing.T) {
 		EndPos:    3,
 	})
 
-	builder := position.Builder{
+	builder := parser.Builder{
 		Positions: p,
 	}
 
@@ -68,7 +69,7 @@ func TestNewTokenNodePosition(t *testing.T) {
 		EndPos:    12,
 	})
 
-	builder := position.Builder{
+	builder := parser.Builder{
 		Positions: p,
 	}
 
@@ -91,7 +92,7 @@ func TestNewNodeTokenPosition(t *testing.T) {
 		EndPos:    9,
 	})
 
-	builder := position.Builder{
+	builder := parser.Builder{
 		Positions: p,
 	}
 
@@ -106,7 +107,7 @@ func TestNewNodeListPosition(t *testing.T) {
 	n1 := node.NewIdentifier("test node")
 	n2 := node.NewIdentifier("test node")
 
-	builder := position.Builder{
+	builder := parser.Builder{
 		Positions: &position.Positions{
 			n1: &position.Position{
 				StartLine: 1,
@@ -134,7 +135,7 @@ func TestNewNodesPosition(t *testing.T) {
 	n1 := node.NewIdentifier("test node")
 	n2 := node.NewIdentifier("test node")
 
-	builder := position.Builder{
+	builder := parser.Builder{
 		Positions: &position.Positions{
 			n1: &position.Position{
 				StartLine: 1,
@@ -163,7 +164,7 @@ func TestNewNodeListTokenPosition(t *testing.T) {
 	n2 := node.NewIdentifier("test node")
 	tkn := scanner.NewToken([]byte(`foo`), 3, 3, 20, 22)
 
-	builder := position.Builder{
+	builder := parser.Builder{
 		Positions: &position.Positions{
 			n1: &position.Position{
 				StartLine: 1,
@@ -192,7 +193,7 @@ func TestNewTokenNodeListPosition(t *testing.T) {
 	n1 := node.NewIdentifier("test node")
 	n2 := node.NewIdentifier("test node")
 
-	builder := position.Builder{
+	builder := parser.Builder{
 		Positions: &position.Positions{
 			n1: &position.Position{
 				StartLine: 2,
@@ -221,7 +222,7 @@ func TestNewNodeNodeListPosition(t *testing.T) {
 	n2 := node.NewIdentifier("test node")
 	n3 := node.NewIdentifier("test node")
 
-	builder := position.Builder{
+	builder := parser.Builder{
 		Positions: &position.Positions{
 			n1: &position.Position{
 				StartLine: 1,
@@ -252,7 +253,7 @@ func TestNewNodeNodeListPosition(t *testing.T) {
 }
 
 func TestNewOptionalListTokensPosition(t *testing.T) {
-	builder := position.Builder{}
+	builder := parser.Builder{}
 
 	token1 := scanner.NewToken([]byte(`foo`), 1, 1, 0, 3)
 	token2 := scanner.NewToken([]byte(`foo`), 2, 2, 4, 6)
@@ -269,7 +270,7 @@ func TestNewOptionalListTokensPosition2(t *testing.T) {
 	n2 := node.NewIdentifier("test node")
 	n3 := node.NewIdentifier("test node")
 
-	builder := position.Builder{
+	builder := parser.Builder{
 		Positions: &position.Positions{
 			n1: &position.Position{
 				StartLine: 1,
@@ -303,7 +304,7 @@ func TestNewOptionalListTokensPosition2(t *testing.T) {
 }
 
 func TestNilNodePos(t *testing.T) {
-	builder := position.Builder{}
+	builder := parser.Builder{}
 
 	pos := builder.NewNodesPosition(nil, nil)
 
@@ -315,7 +316,7 @@ func TestNilNodePos(t *testing.T) {
 func TestNilNodeListPos(t *testing.T) {
 	n1 := node.NewIdentifier("test node")
 
-	builder := position.Builder{
+	builder := parser.Builder{
 		Positions: &position.Positions{
 			n1: &position.Position{
 				StartLine: 1,
@@ -336,7 +337,7 @@ func TestNilNodeListPos(t *testing.T) {
 func TestNilNodeListTokenPos(t *testing.T) {
 	token1 := scanner.NewToken([]byte(`foo`), 1, 1, 0, 3)
 
-	builder := position.Builder{}
+	builder := parser.Builder{}
 
 	pos := builder.NewNodeListTokenPosition(nil, token1)
 
@@ -348,7 +349,7 @@ func TestNilNodeListTokenPos(t *testing.T) {
 func TestEmptyNodeListPos(t *testing.T) {
 	n1 := node.NewIdentifier("test node")
 
-	builder := position.Builder{
+	builder := parser.Builder{
 		Positions: &position.Positions{
 			n1: &position.Position{
 				StartLine: 1,
@@ -369,7 +370,7 @@ func TestEmptyNodeListPos(t *testing.T) {
 func TestEmptyNodeListTokenPos(t *testing.T) {
 	token1 := scanner.NewToken([]byte(`foo`), 1, 1, 0, 3)
 
-	builder := position.Builder{}
+	builder := parser.Builder{}
 
 	pos := builder.NewNodeListTokenPosition([]node.Node{}, token1)
 

php5/parser.go

@@ -6,6 +6,7 @@ import (
 	"github.com/z7zmey/php-parser/comment"
 	"github.com/z7zmey/php-parser/errors"
 	"github.com/z7zmey/php-parser/node"
+	"github.com/z7zmey/php-parser/parser"
 	"github.com/z7zmey/php-parser/position"
 	"github.com/z7zmey/php-parser/scanner"
 )
@@ -19,7 +20,7 @@ type Parser struct {
 	*scanner.Lexer
 	path            string
 	lastToken       *scanner.Token
-	positionBuilder *position.Builder
+	positionBuilder *parser.Builder
 	errors          []*errors.Error
 	rootNode        node.Node
 	comments        comment.Comments
@@ -63,7 +64,7 @@ func (l *Parser) Parse() int {
 	l.rootNode = nil
 	l.comments = comment.Comments{}
 	l.positions = position.Positions{}
-	l.positionBuilder = &position.Builder{
+	l.positionBuilder = &parser.Builder{
 		Positions: &l.positions,
 	}
 

php7/parser.go

@@ -6,6 +6,7 @@ import (
 	"github.com/z7zmey/php-parser/comment"
 	"github.com/z7zmey/php-parser/errors"
 	"github.com/z7zmey/php-parser/node"
+	"github.com/z7zmey/php-parser/parser"
 	"github.com/z7zmey/php-parser/position"
 	"github.com/z7zmey/php-parser/scanner"
 )
@@ -19,7 +20,7 @@ type Parser struct {
 	*scanner.Lexer
 	path            string
 	lastToken       *scanner.Token
-	positionBuilder *position.Builder
+	positionBuilder *parser.Builder
 	errors          []*errors.Error
 	rootNode        node.Node
 	comments        comment.Comments
@@ -63,7 +64,7 @@ func (l *Parser) Parse() int {
 	l.rootNode = nil
 	l.comments = comment.Comments{}
 	l.positions = position.Positions{}
-	l.positionBuilder = &position.Builder{
+	l.positionBuilder = &parser.Builder{
 		Positions: &l.positions,
 	}
 

position/position.go

@@ -14,6 +14,16 @@ type Position struct {
 	EndPos    int
 }
 
+// NewPosition Position constructor
+func NewPosition(StartLine int, EndLine int, StartPos int, EndPos int) *Position {
+	return &Position{
+		StartLine: StartLine,
+		EndLine:   EndLine,
+		StartPos:  StartPos,
+		EndPos:    EndPos,
+	}
+}
+
 func (p Position) String() string {
 	return fmt.Sprintf("Pos{Line: %d-%d Pos: %d-%d}", p.StartLine, p.EndLine, p.StartPos, p.EndPos)
 }

scanner/lexer.go

@@ -8,6 +8,8 @@ import (
 	"io"
 	"unicode"
 
+	"github.com/z7zmey/php-parser/position"
+
 	"github.com/cznic/golex/lex"
 	"github.com/z7zmey/php-parser/comment"
 )
@@ -521,7 +523,17 @@ func (l *Lexer) newToken(chars []lex.Char) Token {
 }
 
 func (l *Lexer) addComment(chars []lex.Char) {
-	c := comment.NewComment(string(l.charsToBytes(chars)))
+	firstChar := chars[0]
+	lastChar := chars[len(chars)-1]
+
+	pos := position.NewPosition(
+		l.File.Line(firstChar.Pos()),
+		l.File.Line(lastChar.Pos()),
+		int(firstChar.Pos()),
+		int(lastChar.Pos()),
+	)
+
+	c := comment.NewComment(string(l.charsToBytes(chars)), pos)
 	l.Comments = append(l.Comments, c)
 }
 

scanner/scanner_test.go

@@ -5,6 +5,8 @@ import (
 	"reflect"
 	"testing"
 
+	"github.com/z7zmey/php-parser/position"
+
 	"github.com/z7zmey/php-parser/comment"
 
 	"github.com/z7zmey/php-parser/scanner"
@@ -873,7 +875,7 @@ func TestCommentEnd(t *testing.T) {
 	src := `<?php //test`
 
 	expected := []*comment.Comment{
-		comment.NewComment("//test"),
+		comment.NewComment("//test", position.NewPosition(1, 1, 7, 12)),
 	}
 
 	lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
@@ -890,7 +892,7 @@ func TestCommentNewLine(t *testing.T) {
 	src := "<?php //test\n$a"
 
 	expected := []*comment.Comment{
-		comment.NewComment("//test\n"),
+		comment.NewComment("//test\n", position.NewPosition(1, 1, 7, 13)),
 	}
 
 	lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
@@ -907,7 +909,7 @@ func TestCommentNewLine1(t *testing.T) {
 	src := "<?php //test\r$a"
 
 	expected := []*comment.Comment{
-		comment.NewComment("//test\r"),
+		comment.NewComment("//test\r", position.NewPosition(1, 1, 7, 13)),
 	}
 
 	lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
@@ -924,7 +926,7 @@ func TestCommentNewLine2(t *testing.T) {
 	src := "<?php #test\r\n$a"
 
 	expected := []*comment.Comment{
-		comment.NewComment("#test\r\n"),
+		comment.NewComment("#test\r\n", position.NewPosition(1, 1, 7, 13)),
 	}
 
 	lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
@@ -942,7 +944,7 @@ func TestCommentWithPhpEndTag(t *testing.T) {
 	//test?> test`
 
 	expected := []*comment.Comment{
-		comment.NewComment("//test"),
+		comment.NewComment("//test", position.NewPosition(2, 2, 8, 13)),
 	}
 
 	lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
@@ -960,7 +962,7 @@ func TestInlineComment(t *testing.T) {
 	/*test*/`
 
 	expected := []*comment.Comment{
-		comment.NewComment("/*test*/"),
+		comment.NewComment("/*test*/", position.NewPosition(2, 2, 8, 15)),
 	}
 
 	lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
@@ -978,7 +980,7 @@ func TestEmptyInlineComment(t *testing.T) {
 	/**/`
 
 	expected := []*comment.Comment{
-		comment.NewComment("/**/"),
+		comment.NewComment("/**/", position.NewPosition(2, 2, 8, 11)),
 	}
 
 	lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")
@@ -996,7 +998,7 @@ func TestEmptyInlineComment2(t *testing.T) {
 	/***/`
 
 	expected := []*comment.Comment{
-		comment.NewComment("/***/"),
+		comment.NewComment("/***/", position.NewPosition(2, 2, 8, 12)),
 	}
 
 	lexer := scanner.NewLexer(bytes.NewBufferString(src), "test.php")

scanner/token_test.go

@@ -13,7 +13,7 @@ func TestToken(t *testing.T) {
 	tkn := scanner.NewToken([]byte(`foo`), 1, 1, 0, 3)
 
 	c := []*comment.Comment{
-		comment.NewComment("test comment"),
+		comment.NewComment("test comment", nil),
 	}
 
 	tkn.SetComments(c)