prepare php5 parser files

php7/lexer.go

@@ -0,0 +1,41 @@
+package php7
+
+import (
+	"bufio"
+	goToken "go/token"
+	"io"
+
+	"github.com/cznic/golex/lex"
+
+	"github.com/z7zmey/php-parser/scanner"
+	"github.com/z7zmey/php-parser/token"
+)
+
+type lexer struct {
+    scanner.Lexer
+}
+
+func (l *lexer) Lex(lval *yySymType) int {
+    return l.Lexer.Lex(lval)
+}
+
+func (lval *yySymType) Token(t token.Token) {
+    lval.token = t
+}
+
+func newLexer(src io.Reader, fName string) *lexer {
+	file := goToken.NewFileSet().AddFile(fName, -1, 1<<31-1)
+	lx, err := lex.New(file, bufio.NewReader(src), lex.RuneClass(scanner.Rune2Class))
+	if err != nil {
+		panic(err)
+	}
+
+	return &lexer{
+		scanner.Lexer{
+			Lexer:         lx,
+			StateStack:    []int{0},
+			PhpDocComment: "",
+			Comments:      nil,
+		},
+	}
+}

php7/parser.go

@@ -0,0 +1,52 @@
+package php7
+
+import (
+	"io"
+
+	"github.com/z7zmey/php-parser/comment"
+	"github.com/z7zmey/php-parser/node"
+	"github.com/z7zmey/php-parser/node/stmt"
+	"github.com/z7zmey/php-parser/position"
+	"github.com/z7zmey/php-parser/token"
+)
+
+var rootnode node.Node
+var comments comment.Comments
+var positions position.Positions
+var positionBuilder position.Builder
+
+func Parse(src io.Reader, fName string) (node.Node, comment.Comments, position.Positions) {
+    yyDebug        = 0
+    yyErrorVerbose = true
+    rootnode = stmt.NewStmtList([]node.Node{}) //reset
+    comments = comment.Comments{}
+    positions = position.Positions{}
+    positionBuilder = position.Builder{&positions}
+    yyParse(newLexer(src, fName))
+    return rootnode, comments, positions
+}
+
+func ListGetFirstNodeComments(list []node.Node) []comment.Comment {
+	if len(list) == 0 {
+		return nil
+	}
+
+	node := list[0]
+
+	return comments[node]
+}
+
+type foreachVariable struct {
+    node  node.Node
+    byRef bool
+}
+
+type nodesWithEndToken struct {
+    nodes []node.Node
+    endToken token.Token
+}
+
+type boolWithToken struct {
+    value bool
+    token *token.Token
+}