package php7 import ( "bufio" goToken "go/token" "io" "github.com/cznic/golex/lex" "github.com/z7zmey/php-parser/comment" "github.com/z7zmey/php-parser/errors" "github.com/z7zmey/php-parser/node" "github.com/z7zmey/php-parser/position" "github.com/z7zmey/php-parser/scanner" "github.com/z7zmey/php-parser/token" ) func (lval *yySymType) Token(t token.Token) { lval.token = t } // Parser structure type Parser struct { scanner.Lexer lastToken *token.Token positionBuilder *position.Builder errors []*errors.Error rootNode node.Node comments comment.Comments positions position.Positions } // NewParser creates and returns new Parser func NewParser(src io.Reader, fName string) *Parser { 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) } scanner := scanner.Lexer{ Lexer: lx, StateStack: []int{0}, PhpDocComment: "", Comments: nil, } return &Parser{ scanner, nil, nil, nil, nil, nil, nil, } } // Lex proxy to lexer Lex func (l *Parser) Lex(lval *yySymType) int { t := l.Lexer.Lex(lval) l.lastToken = &lval.token return t } func (l *Parser) Error(msg string) { l.errors = append(l.errors, errors.NewError(msg, *l.lastToken)) } // Parse the php7 Parser entrypoint func (l *Parser) Parse() int { yyDebug = 0 yyErrorVerbose = true // init l.errors = nil l.rootNode = nil l.comments = comment.Comments{} l.positions = position.Positions{} l.positionBuilder = &position.Builder{ Positions: &l.positions, } // parse return yyParse(l) } func (l *Parser) listGetFirstNodeComments(list []node.Node) []comment.Comment { if len(list) == 0 { return nil } node := list[0] return l.comments[node] } // GetRootNode returns root node func (l *Parser) GetRootNode() node.Node { return l.rootNode } // GetErrors returns errors list func (l *Parser) GetErrors() []*errors.Error { return l.errors } // GetComments returns comments list func (l *Parser) GetComments() comment.Comments { return l.comments } // GetPositions returns positions list func (l *Parser) GetPositions() position.Positions { return l.positions }