#67: skip unexpected character in input

php7/parser.go

@@ -19,7 +19,6 @@ type Parser struct {
 	path            string
 	currentToken    *scanner.Token
 	positionBuilder *parser.PositionBuilder
-	errors          []*errors.Error
 	rootNode        node.Node
 	comments        parser.Comments
 	positions       parser.Positions
@@ -37,7 +36,6 @@ func NewParser(src io.Reader, path string) *Parser {
 		nil,
 		nil,
 		nil,
-		nil,
 	}
 }
 
@@ -49,13 +47,13 @@ func (l *Parser) Lex(lval *yySymType) int {
 }
 
 func (l *Parser) Error(msg string) {
-	l.errors = append(l.errors, errors.NewError(msg, l.currentToken))
+	l.Lexer.Errors = append(l.Lexer.Errors, errors.NewError(msg, l.currentToken.Position))
 }
 
 // Parse the php7 Parser entrypoint
 func (l *Parser) Parse() int {
 	// init
-	l.errors = nil
+	l.Lexer.Errors = nil
 	l.rootNode = nil
 	l.comments = parser.Comments{}
 	l.positions = parser.Positions{}
@@ -81,7 +79,7 @@ func (l *Parser) GetRootNode() node.Node {
 
 // GetErrors returns errors list
 func (l *Parser) GetErrors() []*errors.Error {
-	return l.errors
+	return l.Lexer.Errors
 }
 
 // GetComments returns comments list

php7/php7.go

@@ -1,3 +1,5 @@
+// Code generated by goyacc -o php7/php7.go php7/php7.y. DO NOT EDIT.
+
 //line php7/php7.y:2
 package php7
 

php7/php7_test.go

@@ -6,12 +6,14 @@ import (
 	"testing"
 
 	"github.com/kylelemons/godebug/pretty"
+	"github.com/z7zmey/php-parser/errors"
 	"github.com/z7zmey/php-parser/node/expr"
 	"github.com/z7zmey/php-parser/node/expr/assign"
 	"github.com/z7zmey/php-parser/node/expr/binary"
 	"github.com/z7zmey/php-parser/node/expr/cast"
 	"github.com/z7zmey/php-parser/node/name"
 	"github.com/z7zmey/php-parser/node/scalar"
+	"github.com/z7zmey/php-parser/position"
 
 	"github.com/z7zmey/php-parser/node"
 	"github.com/z7zmey/php-parser/node/stmt"
@@ -3336,3 +3338,23 @@ CAD;
 	actual := php7parser.GetRootNode()
 	assertEqual(t, expected, actual)
 }
+
+func TestPhp7ControlCharsErrors(t *testing.T) {
+	src := "<?php \004 echo $b; \"$a[\005test]\";"
+
+	expected := []*errors.Error{
+		{
+			Msg: "WARNING: Unexpected character in input: '\004' (ASCII=4)",
+			Pos: &position.Position{1, 1, 7, 7},
+		},
+		{
+			Msg: "WARNING: Unexpected character in input: '\005' (ASCII=5)",
+			Pos: &position.Position{1, 1, 22, 22},
+		},
+	}
+
+	php7parser := php7.NewParser(bytes.NewBufferString(src), "test.php")
+	php7parser.Parse()
+	actual := php7parser.GetErrors()
+	assertEqual(t, expected, actual)
+}