[refactoring] update ast structure of "If", "ElseIf", "Else" nodes

internal/php5/parser_test.go

@@ -3660,7 +3660,7 @@ func TestStmtAltIf_AltIf(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -3669,6 +3669,7 @@ func TestStmtAltIf_AltIf(t *testing.T) {
 						EndPos:    23,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -3731,7 +3732,7 @@ func TestStmtAltIf_AltElseIf(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -3740,6 +3741,7 @@ func TestStmtAltIf_AltElseIf(t *testing.T) {
 						EndPos:    38,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -3773,7 +3775,7 @@ func TestStmtAltIf_AltElseIf(t *testing.T) {
 					Stmts: []ast.Vertex{},
 				},
 				ElseIf: []ast.Vertex{
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 3,
@@ -3782,6 +3784,7 @@ func TestStmtAltIf_AltElseIf(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -3846,7 +3849,7 @@ func TestStmtAltIf_AltElse(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -3855,6 +3858,7 @@ func TestStmtAltIf_AltElse(t *testing.T) {
 						EndPos:    31,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -3887,7 +3891,7 @@ func TestStmtAltIf_AltElse(t *testing.T) {
 					},
 					Stmts: []ast.Vertex{},
 				},
-				Else: &ast.StmtAltElse{
+				Else: &ast.StmtElse{
 					Node: ast.Node{
 						Position: &position.Position{
 							StartLine: 3,
@@ -3896,6 +3900,7 @@ func TestStmtAltIf_AltElse(t *testing.T) {
 							EndPos:    -1,
 						},
 					},
+					Alt: true,
 					Stmt: &ast.StmtStmtList{
 						Node: ast.Node{
 							Position: &position.Position{
@@ -3940,7 +3945,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -3949,6 +3954,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 						EndPos:    61,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -3982,7 +3988,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 					Stmts: []ast.Vertex{},
 				},
 				ElseIf: []ast.Vertex{
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 3,
@@ -3991,6 +3997,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -4024,7 +4031,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 							Stmts: []ast.Vertex{},
 						},
 					},
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 4,
@@ -4033,6 +4040,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -4067,7 +4075,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 						},
 					},
 				},
-				Else: &ast.StmtAltElse{
+				Else: &ast.StmtElse{
 					Node: ast.Node{
 						Position: &position.Position{
 							StartLine: 5,
@@ -4076,6 +4084,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 							EndPos:    -1,
 						},
 					},
+					Alt: true,
 					Stmt: &ast.StmtStmtList{
 						Node: ast.Node{
 							Position: &position.Position{

internal/php5/php5.y

@@ -855,46 +855,49 @@ unticked_statement:
             }
     |   T_IF parenthesis_expr statement elseif_list else_single
             {
-                $$ = &ast.StmtIf{ast.Node{}, $2, $3, $4, $5}
-
-                // save position
+                pos := position.NewTokenNodePosition($1, $3)
                 if $5 != nil {
-                    $$.GetNode().Position = position.NewTokenNodePosition($1, $5)
+                    pos = position.NewTokenNodePosition($1, $5)
                 } else if len($4) > 0 {
-                    $$.GetNode().Position = position.NewTokenNodeListPosition($1, $4)
-                } else {
-                    $$.GetNode().Position = position.NewTokenNodePosition($1, $3)
+                    pos = position.NewTokenNodeListPosition($1, $4)
                 }
 
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
+                $$ = &ast.StmtIf{
+                    Node: ast.Node{
+                        Position: pos,
+                    },
+                    IfTkn:               $1,
+                    OpenParenthesisTkn:  $2.(*ast.ParserBrackets).OpenBracketTkn,
+                    Cond:                $2.(*ast.ParserBrackets).Child,
+                    CloseParenthesisTkn: $2.(*ast.ParserBrackets).CloseBracketTkn,
+                    Stmt:                $3,
+                    ElseIf:              $4,
+                    Else:                $5,
+                }
             }
     |   T_IF parenthesis_expr ':' inner_statement_list new_elseif_list new_else_single T_ENDIF ';'
             {
-                stmts := &ast.StmtStmtList{
+                $$ = &ast.StmtIf{
                     Node: ast.Node{
-                        Position: position.NewNodeListPosition($4),
+                        Position: position.NewTokensPosition($1, $8),
                     },
-                    Stmts: $4,
+                    Alt:                 true,
+                    IfTkn:               $1,
+                    OpenParenthesisTkn:  $2.(*ast.ParserBrackets).OpenBracketTkn,
+                    Cond:                $2.(*ast.ParserBrackets).Child,
+                    CloseParenthesisTkn: $2.(*ast.ParserBrackets).CloseBracketTkn,
+                    ColonTkn:            $3,
+                    Stmt: &ast.StmtStmtList{
+                        Node: ast.Node{
+                            Position: position.NewNodeListPosition($4),
+                        },
+                        Stmts: $4,
+                    },
+                    ElseIf:       $5,
+                    Else:         $6,
+                    EndIfTkn:     $7,
+                    SemiColonTkn: $8,
                 }
-                stmtsBrackets := &ast.ParserBrackets{ast.Node{}, stmts}
-                $$ = &ast.StmtAltIf{ast.Node{}, $2, stmtsBrackets, $5, $6}
-
-                // save position
-                stmtsBrackets.GetNode().Position = position.NewTokenNodeListPosition($3, $4)
-                $$.GetNode().Position = position.NewTokensPosition($1, $8)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(stmtsBrackets, token.Start, $3.SkippedTokens)
-                if $6 != nil {
-                    yylex.(*Parser).setFreeFloating($6.(*ast.StmtAltElse).Stmt, token.End, append($7.SkippedTokens, $8.SkippedTokens...))
-                } else if len($5) > 0 {
-                    yylex.(*Parser).setFreeFloating($5[len($5)-1].(*ast.StmtAltElseIf).Stmt, token.End, append($7.SkippedTokens, $8.SkippedTokens...))
-                } else {
-                    yylex.(*Parser).setFreeFloating(stmtsBrackets, token.End, append($7.SkippedTokens, $8.SkippedTokens...))
-                }
-                yylex.(*Parser).setToken($$, token.SemiColon, $8.SkippedTokens)
             }
     |   T_WHILE parenthesis_expr while_statement
             {
@@ -1946,14 +1949,16 @@ elseif_list:
             }
     |   elseif_list T_ELSEIF parenthesis_expr statement
             {
-                _elseIf := &ast.StmtElseIf{ast.Node{}, $3, $4}
-                $$ = append($1, _elseIf)
-
-                // save position
-                _elseIf.GetNode().Position = position.NewTokenNodePosition($2, $4)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(_elseIf, token.Start, $2.SkippedTokens)
+                $$ = append($1, &ast.StmtElseIf{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodePosition($2, $4),
+                    },
+                    ElseIfTkn:           $2,
+                    OpenParenthesisTkn:  $3.(*ast.ParserBrackets).OpenBracketTkn,
+                    Cond:                $3.(*ast.ParserBrackets).Child,
+                    CloseParenthesisTkn: $3.(*ast.ParserBrackets).CloseBracketTkn,
+                    Stmt:                $4,
+                })
             }
 ;
 
@@ -1965,23 +1970,23 @@ new_elseif_list:
             }
     |   new_elseif_list T_ELSEIF parenthesis_expr ':' inner_statement_list
             {
-                stmts := &ast.StmtStmtList{
+                $$ = append($1, &ast.StmtElseIf{
                     Node: ast.Node{
-                        Position: position.NewNodeListPosition($5),
+                        Position: position.NewTokenNodeListPosition($2, $5),
                     },
-                    Stmts: $5,
-                }
-                stmtsBrackets := &ast.ParserBrackets{ast.Node{}, stmts}
-                _elseIf := &ast.StmtAltElseIf{ast.Node{}, $3, stmtsBrackets}
-                $$ = append($1, _elseIf)
-
-                // save position
-                stmtsBrackets.GetNode().Position = position.NewTokenNodeListPosition($4, $5)
-                _elseIf.GetNode().Position = position.NewTokenNodeListPosition($2, $5)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(_elseIf, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(stmtsBrackets, token.Start, $4.SkippedTokens)
+                    Alt:                 true,
+                    ElseIfTkn:           $2,
+                    OpenParenthesisTkn:  $3.(*ast.ParserBrackets).OpenBracketTkn,
+                    Cond:                $3.(*ast.ParserBrackets).Child,
+                    CloseParenthesisTkn: $3.(*ast.ParserBrackets).CloseBracketTkn,
+                    ColonTkn:            $4,
+                    Stmt: &ast.StmtStmtList{
+                        Node: ast.Node{
+                            Position: position.NewNodeListPosition($5),
+                        },
+                        Stmts: $5,
+                    },
+                })
             }
 ;
 
@@ -1993,13 +1998,13 @@ else_single:
             }
     |   T_ELSE statement
             {
-                $$ = &ast.StmtElse{ast.Node{}, $2}
-
-                // save position
-                $$.GetNode().Position = position.NewTokenNodePosition($1, $2)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
+                $$ = &ast.StmtElse{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodePosition($1, $2),
+                    },
+                    ElseTkn: $1,
+                    Stmt:    $2,
+                }
             }
 ;
 
@@ -2011,22 +2016,20 @@ new_else_single:
             }
     |   T_ELSE ':' inner_statement_list
             {
-                stmts := &ast.StmtStmtList{
+                $$ = &ast.StmtElse{
                     Node: ast.Node{
-                        Position: position.NewNodeListPosition($3),
+                        Position: position.NewTokenNodeListPosition($1, $3),
+                    },
+                    Alt:      true,
+                    ElseTkn:  $1,
+                    ColonTkn: $2,
+                    Stmt: &ast.StmtStmtList{
+                        Node: ast.Node{
+                            Position: position.NewNodeListPosition($3),
+                        },
+                        Stmts: $3,
                     },
-                    Stmts: $3,
                 }
-                stmtsBrackets := &ast.ParserBrackets{ast.Node{}, stmts}
-                $$ = &ast.StmtAltElse{ast.Node{}, stmtsBrackets}
-
-                // save position
-                stmtsBrackets.GetNode().Position = position.NewTokenNodeListPosition($2, $3)
-                $$.GetNode().Position = position.NewTokenNodeListPosition($1, $3)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(stmtsBrackets, token.Start, $2.SkippedTokens)
             }
 ;
 
@@ -4318,10 +4321,13 @@ exit_expr:
             }
     |   '(' ')'
             {
-                $$ = &ast.ParserBrackets{ast.Node{}, nil}
-
-                // save position
-                $$.GetNode().Position = position.NewTokensPosition($1, $2)
+                $$ = &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $2),
+                    },
+                    OpenBracketTkn:  $1,
+                    CloseBracketTkn: $2,
+                }
 
                 // save comments
                 yylex.(*Parser).setFreeFloatingTokens($$, token.Start, $1.SkippedTokens)
@@ -5166,10 +5172,14 @@ expr:
 parenthesis_expr:
         '(' expr ')'
             {
-                $$ = &ast.ParserBrackets{ast.Node{}, $2}
-
-                // save position
-                $$.GetNode().Position = position.NewTokensPosition($1, $3)
+                $$ = &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $3),
+                    },
+                    OpenBracketTkn:  $1,
+                    Child:           $2,
+                    CloseBracketTkn: $3,
+                }
 
                 // save comments
                 yylex.(*Parser).setFreeFloatingTokens($$, token.Start, $1.SkippedTokens)
@@ -5177,10 +5187,14 @@ parenthesis_expr:
             }
     |   '(' yield_expr ')'
             {
-                $$ = &ast.ParserBrackets{ast.Node{}, $2}
-
-                // save position
-                $$.GetNode().Position = position.NewTokensPosition($1, $3)
+                $$ = &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $3),
+                    },
+                    OpenBracketTkn:  $1,
+                    Child:           $2,
+                    CloseBracketTkn: $3,
+                }
 
                 // save comments
                 yylex.(*Parser).setFreeFloatingTokens($$, token.Start, $1.SkippedTokens)
@@ -6008,11 +6022,17 @@ internal_functions_in_yacc:
             }
     |   T_EMPTY '(' variable ')'
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $3}
+                exprBrackets := &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($2, $4),
+                    },
+                    OpenBracketTkn:  $2,
+                    Child:           $3,
+                    CloseBracketTkn: $4,
+                }
                 $$ = &ast.ExprEmpty{ast.Node{}, exprBrackets}
 
                 // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($2, $4)
                 $$.GetNode().Position = position.NewTokensPosition($1, $4)
 
                 // save comments
@@ -6022,11 +6042,17 @@ internal_functions_in_yacc:
             }
     |   T_EMPTY '(' expr ')'
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $3}
+                exprBrackets := &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($2, $4),
+                    },
+                    OpenBracketTkn:  $2,
+                    Child:           $3,
+                    CloseBracketTkn: $4,
+                }
                 $$ = &ast.ExprEmpty{ast.Node{}, exprBrackets}
 
                 // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($2, $4)
                 $$.GetNode().Position = position.NewTokensPosition($1, $4)
 
                 // save comments
@@ -6056,11 +6082,17 @@ internal_functions_in_yacc:
             }
     |   T_EVAL '(' expr ')'
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $3}
+                exprBrackets := &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($2, $4),
+                    },
+                    OpenBracketTkn:  $2,
+                    Child:           $3,
+                    CloseBracketTkn: $4,
+                }
                 $$ = &ast.ExprEval{ast.Node{}, exprBrackets}
 
                 // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($2, $4)
                 $$.GetNode().Position = position.NewTokensPosition($1, $4)
 
                 // save comments

internal/php5/php5_test.go

@@ -2603,7 +2603,7 @@ func TestPhp5(t *testing.T) {
 					},
 				},
 			},
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 41,
@@ -2612,6 +2612,7 @@ func TestPhp5(t *testing.T) {
 						EndPos:    867,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -2645,7 +2646,7 @@ func TestPhp5(t *testing.T) {
 					Stmts: []ast.Vertex{},
 				},
 			},
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 43,
@@ -2654,6 +2655,7 @@ func TestPhp5(t *testing.T) {
 						EndPos:    897,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -2687,7 +2689,7 @@ func TestPhp5(t *testing.T) {
 					Stmts: []ast.Vertex{},
 				},
 				ElseIf: []ast.Vertex{
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 44,
@@ -2696,6 +2698,7 @@ func TestPhp5(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -2731,7 +2734,7 @@ func TestPhp5(t *testing.T) {
 					},
 				},
 			},
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 46,
@@ -2740,6 +2743,7 @@ func TestPhp5(t *testing.T) {
 						EndPos:    920,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -2772,7 +2776,7 @@ func TestPhp5(t *testing.T) {
 					},
 					Stmts: []ast.Vertex{},
 				},
-				Else: &ast.StmtAltElse{
+				Else: &ast.StmtElse{
 					Node: ast.Node{
 						Position: &position.Position{
 							StartLine: 47,
@@ -2781,6 +2785,7 @@ func TestPhp5(t *testing.T) {
 							EndPos:    -1,
 						},
 					},
+					Alt: true,
 					Stmt: &ast.StmtStmtList{
 						Node: ast.Node{
 							Position: &position.Position{
@@ -2794,7 +2799,7 @@ func TestPhp5(t *testing.T) {
 					},
 				},
 			},
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 49,
@@ -2803,6 +2808,7 @@ func TestPhp5(t *testing.T) {
 						EndPos:    969,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -2836,7 +2842,7 @@ func TestPhp5(t *testing.T) {
 					Stmts: []ast.Vertex{},
 				},
 				ElseIf: []ast.Vertex{
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 50,
@@ -2845,6 +2851,7 @@ func TestPhp5(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -2878,7 +2885,7 @@ func TestPhp5(t *testing.T) {
 							Stmts: []ast.Vertex{},
 						},
 					},
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 51,
@@ -2887,6 +2894,7 @@ func TestPhp5(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -2921,7 +2929,7 @@ func TestPhp5(t *testing.T) {
 						},
 					},
 				},
-				Else: &ast.StmtAltElse{
+				Else: &ast.StmtElse{
 					Node: ast.Node{
 						Position: &position.Position{
 							StartLine: 52,
@@ -2930,6 +2938,7 @@ func TestPhp5(t *testing.T) {
 							EndPos:    -1,
 						},
 					},
+					Alt: true,
 					Stmt: &ast.StmtStmtList{
 						Node: ast.Node{
 							Position: &position.Position{

internal/php7/parser_test.go

@@ -3811,7 +3811,7 @@ func TestStmtAltIf_AltIf(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -3820,6 +3820,7 @@ func TestStmtAltIf_AltIf(t *testing.T) {
 						EndPos:    23,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -3882,7 +3883,7 @@ func TestStmtAltIf_AltElseIf(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -3891,6 +3892,7 @@ func TestStmtAltIf_AltElseIf(t *testing.T) {
 						EndPos:    38,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -3924,7 +3926,7 @@ func TestStmtAltIf_AltElseIf(t *testing.T) {
 					Stmts: []ast.Vertex{},
 				},
 				ElseIf: []ast.Vertex{
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 3,
@@ -3933,6 +3935,7 @@ func TestStmtAltIf_AltElseIf(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -3997,7 +4000,7 @@ func TestStmtAltIf_AltElse(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -4006,6 +4009,7 @@ func TestStmtAltIf_AltElse(t *testing.T) {
 						EndPos:    31,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -4038,7 +4042,7 @@ func TestStmtAltIf_AltElse(t *testing.T) {
 					},
 					Stmts: []ast.Vertex{},
 				},
-				Else: &ast.StmtAltElse{
+				Else: &ast.StmtElse{
 					Node: ast.Node{
 						Position: &position.Position{
 							StartLine: 3,
@@ -4047,6 +4051,7 @@ func TestStmtAltIf_AltElse(t *testing.T) {
 							EndPos:    -1,
 						},
 					},
+					Alt: true,
 					Stmt: &ast.StmtStmtList{
 						Node: ast.Node{
 							Position: &position.Position{
@@ -4091,7 +4096,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -4100,6 +4105,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 						EndPos:    61,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -4133,7 +4139,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 					Stmts: []ast.Vertex{},
 				},
 				ElseIf: []ast.Vertex{
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 3,
@@ -4142,6 +4148,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -4175,7 +4182,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 							Stmts: []ast.Vertex{},
 						},
 					},
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 4,
@@ -4184,6 +4191,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -4218,7 +4226,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 						},
 					},
 				},
-				Else: &ast.StmtAltElse{
+				Else: &ast.StmtElse{
 					Node: ast.Node{
 						Position: &position.Position{
 							StartLine: 5,
@@ -4227,6 +4235,7 @@ func TestStmtAltIf_AltElseElseIf(t *testing.T) {
 							EndPos:    -1,
 						},
 					},
+					Alt: true,
 					Stmt: &ast.StmtStmtList{
 						Node: ast.Node{
 							Position: &position.Position{

internal/php7/php7.y

@@ -870,7 +870,14 @@ statement:
             }
     |   T_WHILE '(' expr ')' while_statement
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $3}
+                exprBrackets := &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($2, $4),
+                    },
+                    OpenBracketTkn:  $2,
+                    Child:           $3,
+                    CloseBracketTkn: $4,
+                }
 
                 switch n := $5.(type) {
                 case *ast.StmtWhile :
@@ -882,7 +889,6 @@ statement:
                 $$ = $5
 
                 // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($2, $4)
                 $$.GetNode().Position = position.NewTokenNodePosition($1, $5)
 
                 // save comments
@@ -892,11 +898,17 @@ statement:
             }
     |   T_DO statement T_WHILE '(' expr ')' ';'
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $5}
+                exprBrackets := &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($4, $6),
+                    },
+                    OpenBracketTkn:  $4,
+                    Child:           $5,
+                    CloseBracketTkn: $6,
+                }
                 $$ = &ast.StmtDo{ast.Node{}, $2, exprBrackets}
 
                 // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($4, $6)
                 $$.GetNode().Position = position.NewTokensPosition($1, $7)
 
                 // save comments
@@ -933,7 +945,14 @@ statement:
             }
     |   T_SWITCH '(' expr ')' switch_case_list
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $3}
+                exprBrackets := &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($2, $4),
+                    },
+                    OpenBracketTkn:  $2,
+                    Child:           $3,
+                    CloseBracketTkn: $4,
+                }
 
                 switch n := $5.(type) {
                 case *ast.StmtSwitch:
@@ -1750,35 +1769,33 @@ while_statement:
 if_stmt_without_else:
         T_IF '(' expr ')' statement
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $3}
-                $$ = &ast.StmtIf{ast.Node{}, exprBrackets, $5, nil, nil}
-
-                // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($2, $4)
-                $$.GetNode().Position = position.NewTokenNodePosition($1, $5)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.End, $4.SkippedTokens)
+                $$ = &ast.StmtIf{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodePosition($1, $5),
+                    },
+                    IfTkn:               $1,
+                    OpenParenthesisTkn:  $2,
+                    Cond:                $3,
+                    CloseParenthesisTkn: $4,
+                    Stmt:                $5,
+                }
             }
     |   if_stmt_without_else T_ELSEIF '(' expr ')' statement
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $4}
-                _elseIf := &ast.StmtElseIf{ast.Node{}, exprBrackets, $6}
-                $1.(*ast.StmtIf).ElseIf = append($1.(*ast.StmtIf).ElseIf, _elseIf)
+                $1.(*ast.StmtIf).ElseIf = append($1.(*ast.StmtIf).ElseIf, &ast.StmtElseIf{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodePosition($2, $6),
+                    },
+                    ElseIfTkn:           $2,
+                    OpenParenthesisTkn:  $3,
+                    Cond:                $4,
+                    CloseParenthesisTkn: $5,
+                    Stmt:                $6,
+                })
+
+                $1.(*ast.StmtIf).Node.Position = position.NewNodesPosition($1, $6)
 
                 $$ = $1
-
-                // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($3, $5)
-                _elseIf.GetNode().Position = position.NewTokenNodePosition($2, $6)
-                $$.GetNode().Position = position.NewNodesPosition($1, $6)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(_elseIf, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.Start, $3.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.End, $5.SkippedTokens)
             }
 ;
 
@@ -1789,113 +1806,95 @@ if_stmt:
             }
     |   if_stmt_without_else T_ELSE statement
             {
-                _else := &ast.StmtElse{ast.Node{}, $3}
-                $1.(*ast.StmtIf).Else = _else
+                $1.(*ast.StmtIf).Else = &ast.StmtElse{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodePosition($2, $3),
+                    },
+                    ElseTkn: $2,
+                    Stmt:    $3,
+                }
+
+                $1.(*ast.StmtIf).Node.Position = position.NewNodesPosition($1, $3)
 
                 $$ = $1
-
-                // save position
-                _else.GetNode().Position = position.NewTokenNodePosition($2, $3)
-                $$.GetNode().Position = position.NewNodesPosition($1, $3)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(_else, token.Start, $2.SkippedTokens)
             }
 ;
 
 alt_if_stmt_without_else:
         T_IF '(' expr ')' ':' inner_statement_list
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $3}
-                stmts := &ast.StmtStmtList{
+                $$ = &ast.StmtIf{
                     Node: ast.Node{
-                        Position: position.NewNodeListPosition($6),
+                        Position: position.NewTokenNodeListPosition($1, $6),
+                    },
+                    Alt:                 true,
+                    IfTkn:               $1,
+                    OpenParenthesisTkn:  $2,
+                    Cond:                $3,
+                    CloseParenthesisTkn: $4,
+                    ColonTkn:            $5,
+                    Stmt: &ast.StmtStmtList{
+                        Node: ast.Node{
+                            Position: position.NewNodeListPosition($6),
+                        },
+                        Stmts: $6,
                     },
-                    Stmts: $6,
                 }
-                stmtsBrackets := &ast.ParserBrackets{ast.Node{}, stmts}
-                $$ = &ast.StmtAltIf{ast.Node{}, exprBrackets, stmtsBrackets, nil, nil}
-
-                // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($2, $4)
-                stmtsBrackets.GetNode().Position = position.NewTokenNodeListPosition($5, $6)
-                $$.GetNode().Position = position.NewTokenNodeListPosition($1, $6)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.End, $4.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(stmtsBrackets, token.Start, $5.SkippedTokens)
             }
     |   alt_if_stmt_without_else T_ELSEIF '(' expr ')' ':' inner_statement_list
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $4}
-                stmts := &ast.StmtStmtList{
+                $1.(*ast.StmtIf).ElseIf = append($1.(*ast.StmtIf).ElseIf, &ast.StmtElseIf{
                     Node: ast.Node{
-                        Position: position.NewNodeListPosition($7),
+                        Position: position.NewTokenNodeListPosition($2, $7),
                     },
-                    Stmts: $7,
-                }
-                stmtsBrackets := &ast.ParserBrackets{ast.Node{}, stmts}
-                _elseIf := &ast.StmtAltElseIf{ast.Node{}, exprBrackets, stmtsBrackets}
-                $1.(*ast.StmtAltIf).ElseIf = append($1.(*ast.StmtAltIf).ElseIf, _elseIf)
+                    Alt:                 true,
+                    ElseIfTkn:           $2,
+                    OpenParenthesisTkn:  $3,
+                    Cond:                $4,
+                    CloseParenthesisTkn: $5,
+                    ColonTkn:            $6,
+                    Stmt: &ast.StmtStmtList{
+                        Node: ast.Node{
+                            Position: position.NewNodeListPosition($7),
+                        },
+                        Stmts: $7,
+                    },
+                })
 
                 $$ = $1
-
-                // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($3, $5)
-                stmtsBrackets.GetNode().Position = position.NewTokenNodeListPosition($6, $7)
-                _elseIf.GetNode().Position = position.NewTokenNodeListPosition($2, $7)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(_elseIf, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.Start, $3.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.End, $5.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(stmtsBrackets, token.Start, $6.SkippedTokens)
             }
 ;
 
 alt_if_stmt:
         alt_if_stmt_without_else T_ENDIF ';'
             {
+                $1.(*ast.StmtIf).EndIfTkn = $2
+                $1.(*ast.StmtIf).SemiColonTkn = $3
+                $1.(*ast.StmtIf).Node.Position = position.NewNodeTokenPosition($1, $3)
+
                 $$ = $1
-
-                // save position
-                $$.GetNode().Position = position.NewNodeTokenPosition($1, $3)
-
-                // save comments
-                altif := $$.(*ast.StmtAltIf)
-                if len(altif.ElseIf) > 0 {
-                    yylex.(*Parser).setFreeFloating(altif.ElseIf[len(altif.ElseIf)-1], token.End, append($2.SkippedTokens, $3.SkippedTokens...))
-                } else {
-                    yylex.(*Parser).setFreeFloating(altif.Stmt, token.End, append($2.SkippedTokens, $3.SkippedTokens...))
-                }
-                yylex.(*Parser).setToken($$, token.SemiColon, $3.SkippedTokens)
             }
     |   alt_if_stmt_without_else T_ELSE ':' inner_statement_list T_ENDIF ';'
             {
-                stmts := &ast.StmtStmtList{
+                $1.(*ast.StmtIf).Else = &ast.StmtElse{
                     Node: ast.Node{
-                        Position: position.NewNodeListPosition($4),
+                        Position: position.NewTokenNodeListPosition($2, $4),
+                    },
+                    Alt:      true,
+                    ElseTkn:  $2,
+                    ColonTkn: $3,
+                    Stmt: &ast.StmtStmtList{
+                        Node: ast.Node{
+                            Position: position.NewNodeListPosition($4),
+                        },
+                        Stmts: $4,
                     },
-                    Stmts: $4,
                 }
-                stmtsBrackets := &ast.ParserBrackets{ast.Node{}, stmts}
-                _else := &ast.StmtAltElse{ast.Node{}, stmtsBrackets}
-                $1.(*ast.StmtAltIf).Else = _else
+                $1.(*ast.StmtIf).EndIfTkn = $5
+                $1.(*ast.StmtIf).SemiColonTkn = $6
+                $1.(*ast.StmtIf).Node.Position = position.NewNodeTokenPosition($1, $6)
 
                 $$ = $1
-
-                // save position
-                stmtsBrackets.GetNode().Position = position.NewTokensPosition($3, $5)
-                _else.GetNode().Position = position.NewTokenNodeListPosition($2, $4)
-                $$.GetNode().Position = position.NewNodeTokenPosition($1, $6)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(_else, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(stmtsBrackets, token.Start, $3.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(stmtsBrackets, token.End, append($5.SkippedTokens, $6.SkippedTokens...))
-                yylex.(*Parser).setToken($$, token.SemiColon, $6.SkippedTokens)
             }
 ;
 
@@ -3368,10 +3367,14 @@ expr_without_variable:
             }
     |   '(' expr ')'
             {
-                $$ = &ast.ParserBrackets{ast.Node{}, $2}
-
-                // save position
-                $$.GetNode().Position = position.NewTokensPosition($1, $3)
+                $$ = &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $3),
+                    },
+                    OpenBracketTkn:  $1,
+                    Child:           $2,
+                    CloseBracketTkn: $3,
+                }
 
                 // save comments
                 yylex.(*Parser).setFreeFloatingTokens($$, token.Start, $1.SkippedTokens)
@@ -3825,10 +3828,14 @@ exit_expr:
             }
     |   '(' optional_expr ')'
             {
-                $$ = &ast.ParserBrackets{ast.Node{}, $2}
-
-                // save position
-                $$.GetNode().Position = position.NewTokensPosition($1, $3)
+                $$ = &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $3),
+                    },
+                    OpenBracketTkn:  $1,
+                    Child:           $2,
+                    CloseBracketTkn: $3,
+                }
 
                 // save comments
                 yylex.(*Parser).setFreeFloatingTokens($$, token.Start, $1.SkippedTokens)
@@ -4132,10 +4139,14 @@ dereferencable:
             }
     |   '(' expr ')'
             {
-                $$ = &ast.ParserBrackets{ast.Node{}, $2}
-
-                // save position
-                $$.GetNode().Position = position.NewTokensPosition($1, $3)
+                $$ = &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $3),
+                    },
+                    OpenBracketTkn:  $1,
+                    Child:           $2,
+                    CloseBracketTkn: $3,
+                }
 
                 // save comments
                 yylex.(*Parser).setFreeFloatingTokens($$, token.Start, $1.SkippedTokens)
@@ -4154,10 +4165,14 @@ callable_expr:
             }
     |   '(' expr ')'
             {
-                $$ = &ast.ParserBrackets{ast.Node{}, $2}
-
-                // save position
-                $$.GetNode().Position = position.NewTokensPosition($1, $3)
+                $$ = &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $3),
+                    },
+                    OpenBracketTkn:  $1,
+                    Child:           $2,
+                    CloseBracketTkn: $3,
+                }
 
                 // save comments
                 yylex.(*Parser).setFreeFloatingTokens($$, token.Start, $1.SkippedTokens)
@@ -4768,11 +4783,17 @@ internal_functions_in_yacc:
             }
     |   T_EMPTY '(' expr ')'
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $3}
+                exprBrackets := &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($2, $4),
+                    },
+                    OpenBracketTkn:  $2,
+                    Child:           $3,
+                    CloseBracketTkn: $4,
+                }
                 $$ = &ast.ExprEmpty{ast.Node{}, exprBrackets}
 
                 // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($2, $4)
                 $$.GetNode().Position = position.NewTokensPosition($1, $4)
 
                 // save comments
@@ -4802,11 +4823,17 @@ internal_functions_in_yacc:
             }
     |   T_EVAL '(' expr ')'
             {
-                exprBrackets := &ast.ParserBrackets{ast.Node{}, $3}
+                exprBrackets := &ast.ParserBrackets{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($2, $4),
+                    },
+                    OpenBracketTkn:  $2,
+                    Child:           $3,
+                    CloseBracketTkn: $4,
+                }
                 $$ = &ast.ExprEval{ast.Node{}, exprBrackets}
 
                 // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($2, $4)
                 $$.GetNode().Position = position.NewTokensPosition($1, $4)
 
                 // save comments

internal/php7/php7_test.go

@@ -3375,7 +3375,7 @@ func TestPhp7(t *testing.T) {
 					},
 				},
 			},
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 53,
@@ -3384,6 +3384,7 @@ func TestPhp7(t *testing.T) {
 						EndPos:    1111,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -3417,7 +3418,7 @@ func TestPhp7(t *testing.T) {
 					Stmts: []ast.Vertex{},
 				},
 			},
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 55,
@@ -3426,6 +3427,7 @@ func TestPhp7(t *testing.T) {
 						EndPos:    1141,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -3459,7 +3461,7 @@ func TestPhp7(t *testing.T) {
 					Stmts: []ast.Vertex{},
 				},
 				ElseIf: []ast.Vertex{
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 56,
@@ -3468,6 +3470,7 @@ func TestPhp7(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -3503,7 +3506,7 @@ func TestPhp7(t *testing.T) {
 					},
 				},
 			},
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 58,
@@ -3512,6 +3515,7 @@ func TestPhp7(t *testing.T) {
 						EndPos:    1164,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -3544,7 +3548,7 @@ func TestPhp7(t *testing.T) {
 					},
 					Stmts: []ast.Vertex{},
 				},
-				Else: &ast.StmtAltElse{
+				Else: &ast.StmtElse{
 					Node: ast.Node{
 						Position: &position.Position{
 							StartLine: 59,
@@ -3553,6 +3557,7 @@ func TestPhp7(t *testing.T) {
 							EndPos:    -1,
 						},
 					},
+					Alt: true,
 					Stmt: &ast.StmtStmtList{
 						Node: ast.Node{
 							Position: &position.Position{
@@ -3566,7 +3571,7 @@ func TestPhp7(t *testing.T) {
 					},
 				},
 			},
-			&ast.StmtAltIf{
+			&ast.StmtIf{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 61,
@@ -3575,6 +3580,7 @@ func TestPhp7(t *testing.T) {
 						EndPos:    1213,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -3608,7 +3614,7 @@ func TestPhp7(t *testing.T) {
 					Stmts: []ast.Vertex{},
 				},
 				ElseIf: []ast.Vertex{
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 62,
@@ -3617,6 +3623,7 @@ func TestPhp7(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -3650,7 +3657,7 @@ func TestPhp7(t *testing.T) {
 							Stmts: []ast.Vertex{},
 						},
 					},
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
 						Node: ast.Node{
 							Position: &position.Position{
 								StartLine: 63,
@@ -3659,6 +3666,7 @@ func TestPhp7(t *testing.T) {
 								EndPos:    -1,
 							},
 						},
+						Alt: true,
 						Cond: &ast.ExprVariable{
 							Node: ast.Node{
 								Position: &position.Position{
@@ -3693,7 +3701,7 @@ func TestPhp7(t *testing.T) {
 						},
 					},
 				},
-				Else: &ast.StmtAltElse{
+				Else: &ast.StmtElse{
 					Node: ast.Node{
 						Position: &position.Position{
 							StartLine: 64,
@@ -3702,6 +3710,7 @@ func TestPhp7(t *testing.T) {
 							EndPos:    -1,
 						},
 					},
+					Alt: true,
 					Stmt: &ast.StmtStmtList{
 						Node: ast.Node{
 							Position: &position.Position{

pkg/ast/ast.go

@@ -27,11 +27,8 @@ type NodeVisitor interface {
 	ArgumentList(n *ArgumentList)
 	Argument(n *Argument)
 
-	StmtAltElse(n *StmtAltElse)
-	StmtAltElseIf(n *StmtAltElseIf)
 	StmtAltFor(n *StmtAltFor)
 	StmtAltForeach(n *StmtAltForeach)
-	StmtAltIf(n *StmtAltIf)
 	StmtAltSwitch(n *StmtAltSwitch)
 	StmtAltWhile(n *StmtAltWhile)
 	StmtBreak(n *StmtBreak)

pkg/ast/node.go

@@ -175,27 +175,6 @@ func (n *ScalarString) Accept(v NodeVisitor) {
 	v.ScalarString(n)
 }
 
-// StmtAltElse node
-type StmtAltElse struct {
-	Node
-	Stmt Vertex
-}
-
-func (n *StmtAltElse) Accept(v NodeVisitor) {
-	v.StmtAltElse(n)
-}
-
-// StmtAltElseIf node
-type StmtAltElseIf struct {
-	Node
-	Cond Vertex
-	Stmt Vertex
-}
-
-func (n *StmtAltElseIf) Accept(v NodeVisitor) {
-	v.StmtAltElseIf(n)
-}
-
 // StmtAltFor node
 type StmtAltFor struct {
 	Node
@@ -222,19 +201,6 @@ func (n *StmtAltForeach) Accept(v NodeVisitor) {
 	v.StmtAltForeach(n)
 }
 
-// StmtAltIf node
-type StmtAltIf struct {
-	Node
-	Cond   Vertex
-	Stmt   Vertex
-	ElseIf []Vertex
-	Else   Vertex
-}
-
-func (n *StmtAltIf) Accept(v NodeVisitor) {
-	v.StmtAltIf(n)
-}
-
 // StmtAltSwitch node
 type StmtAltSwitch struct {
 	Node
@@ -444,7 +410,10 @@ func (n *StmtEcho) Accept(v NodeVisitor) {
 // StmtElse node
 type StmtElse struct {
 	Node
-	Stmt Vertex
+	Alt      bool
+	ElseTkn  *token.Token
+	ColonTkn *token.Token
+	Stmt     Vertex
 }
 
 func (n *StmtElse) Accept(v NodeVisitor) {
@@ -454,8 +423,13 @@ func (n *StmtElse) Accept(v NodeVisitor) {
 // StmtElseIf node
 type StmtElseIf struct {
 	Node
-	Cond Vertex
-	Stmt Vertex
+	Alt                 bool
+	ElseIfTkn           *token.Token
+	OpenParenthesisTkn  *token.Token
+	Cond                Vertex
+	CloseParenthesisTkn *token.Token
+	ColonTkn            *token.Token
+	Stmt                Vertex
 }
 
 func (n *StmtElseIf) Accept(v NodeVisitor) {
@@ -558,10 +532,17 @@ func (n *StmtHaltCompiler) Accept(v NodeVisitor) {
 // StmtIf node
 type StmtIf struct {
 	Node
-	Cond   Vertex
-	Stmt   Vertex
-	ElseIf []Vertex
-	Else   Vertex
+	Alt                 bool
+	IfTkn               *token.Token
+	OpenParenthesisTkn  *token.Token
+	Cond                Vertex
+	CloseParenthesisTkn *token.Token
+	ColonTkn            *token.Token
+	Stmt                Vertex
+	ElseIf              []Vertex
+	Else                Vertex
+	EndIfTkn            *token.Token
+	SemiColonTkn        *token.Token
 }
 
 func (n *StmtIf) Accept(v NodeVisitor) {
@@ -1918,7 +1899,9 @@ func (n *ParserNsSeparator) Accept(v NodeVisitor) {
 
 type ParserBrackets struct {
 	Node
-	Child Vertex
+	OpenBracketTkn  *token.Token
+	Child           Vertex
+	CloseBracketTkn *token.Token
 }
 
 func (n *ParserBrackets) Accept(v NodeVisitor) {

pkg/ast/traverser/dfs.go

@@ -119,35 +119,6 @@ func (t *DFS) Traverse(n ast.Vertex) {
 			t.Traverse(nn.Expr)
 			t.visitor.Leave("Expr", true)
 		}
-	case *ast.StmtAltElse:
-		if nn == nil {
-			return
-		}
-		if !t.visitor.EnterNode(nn) {
-			return
-		}
-		if nn.Stmt != nil {
-			t.visitor.Enter("Stmt", true)
-			t.Traverse(nn.Stmt)
-			t.visitor.Leave("Stmt", true)
-		}
-	case *ast.StmtAltElseIf:
-		if nn == nil {
-			return
-		}
-		if !t.visitor.EnterNode(nn) {
-			return
-		}
-		if nn.Cond != nil {
-			t.visitor.Enter("Cond", true)
-			t.Traverse(nn.Cond)
-			t.visitor.Leave("Cond", true)
-		}
-		if nn.Stmt != nil {
-			t.visitor.Enter("Stmt", true)
-			t.Traverse(nn.Stmt)
-			t.visitor.Leave("Stmt", true)
-		}
 	case *ast.StmtAltFor:
 		if nn == nil {
 			return
@@ -208,35 +179,6 @@ func (t *DFS) Traverse(n ast.Vertex) {
 			t.Traverse(nn.Stmt)
 			t.visitor.Leave("Stmt", true)
 		}
-	case *ast.StmtAltIf:
-		if nn == nil {
-			return
-		}
-		if !t.visitor.EnterNode(nn) {
-			return
-		}
-		if nn.Cond != nil {
-			t.visitor.Enter("Cond", true)
-			t.Traverse(nn.Cond)
-			t.visitor.Leave("Cond", true)
-		}
-		if nn.Stmt != nil {
-			t.visitor.Enter("Stmt", true)
-			t.Traverse(nn.Stmt)
-			t.visitor.Leave("Stmt", true)
-		}
-		if nn.ElseIf != nil {
-			t.visitor.Enter("ElseIf", false)
-			for _, c := range nn.ElseIf {
-				t.Traverse(c)
-			}
-			t.visitor.Leave("ElseIf", false)
-		}
-		if nn.Else != nil {
-			t.visitor.Enter("Else", true)
-			t.Traverse(nn.Else)
-			t.visitor.Leave("Else", true)
-		}
 	case *ast.StmtAltSwitch:
 		if nn == nil {
 			return

pkg/ast/visitor/dump.go

@@ -252,18 +252,6 @@ func (v *Dump) Argument(n *ast.Argument) {
 	}
 }
 
-func (v *Dump) StmtAltElse(n *ast.StmtAltElse) {
-	v.printIndentIfNotSingle(v.indent - 1)
-	v.print("&ast.StmtAltElse{\n")
-	v.printNode(n.GetNode())
-}
-
-func (v *Dump) StmtAltElseIf(n *ast.StmtAltElseIf) {
-	v.printIndentIfNotSingle(v.indent - 1)
-	v.print("&ast.StmtAltElseIf{\n")
-	v.printNode(n.GetNode())
-}
-
 func (v *Dump) StmtAltFor(n *ast.StmtAltFor) {
 	v.printIndentIfNotSingle(v.indent - 1)
 	v.print("&ast.StmtAltFor{\n")
@@ -276,12 +264,6 @@ func (v *Dump) StmtAltForeach(n *ast.StmtAltForeach) {
 	v.printNode(n.GetNode())
 }
 
-func (v *Dump) StmtAltIf(n *ast.StmtAltIf) {
-	v.printIndentIfNotSingle(v.indent - 1)
-	v.print("&ast.StmtAltIf{\n")
-	v.printNode(n.GetNode())
-}
-
 func (v *Dump) StmtAltSwitch(n *ast.StmtAltSwitch) {
 	v.printIndentIfNotSingle(v.indent - 1)
 	v.print("&ast.StmtAltSwitch{\n")
@@ -404,12 +386,22 @@ func (v *Dump) StmtElse(n *ast.StmtElse) {
 	v.printIndentIfNotSingle(v.indent - 1)
 	v.print("&ast.StmtElse{\n")
 	v.printNode(n.GetNode())
+
+	if n.Alt {
+		v.printIndent(v.indent)
+		v.print("Alt: true,\n")
+	}
 }
 
 func (v *Dump) StmtElseIf(n *ast.StmtElseIf) {
 	v.printIndentIfNotSingle(v.indent - 1)
 	v.print("&ast.StmtElseIf{\n")
 	v.printNode(n.GetNode())
+
+	if n.Alt {
+		v.printIndent(v.indent)
+		v.print("Alt: true,\n")
+	}
 }
 
 func (v *Dump) StmtExpression(n *ast.StmtExpression) {
@@ -469,6 +461,11 @@ func (v *Dump) StmtIf(n *ast.StmtIf) {
 	v.printIndentIfNotSingle(v.indent - 1)
 	v.print("&ast.StmtIf{\n")
 	v.printNode(n.GetNode())
+
+	if n.Alt {
+		v.printIndent(v.indent)
+		v.print("Alt: true,\n")
+	}
 }
 
 func (v *Dump) StmtInlineHtml(n *ast.StmtInlineHtml) {

pkg/ast/visitor/filter_parser_nodes.go

@@ -13,60 +13,6 @@ func (v *FilterParserNodes) EnterNode(n ast.Vertex) bool {
 	return true
 }
 
-func (v *FilterParserNodes) StmtAltIf(n *ast.StmtAltIf) {
-	for {
-		if nn, ok := n.Cond.(*ast.ParserBrackets); ok {
-			n.Cond = nn.Child
-		} else {
-			break
-		}
-	}
-
-	if nn, ok := n.Stmt.(*ast.ParserBrackets); ok {
-		n.Stmt = nn.Child
-	}
-}
-
-func (v *FilterParserNodes) StmtAltElseIf(n *ast.StmtAltElseIf) {
-	for {
-		if nn, ok := n.Cond.(*ast.ParserBrackets); ok {
-			n.Cond = nn.Child
-		} else {
-			break
-		}
-	}
-
-	if nn, ok := n.Stmt.(*ast.ParserBrackets); ok {
-		n.Stmt = nn.Child
-	}
-}
-
-func (v *FilterParserNodes) StmtAltElse(n *ast.StmtAltElse) {
-	if nn, ok := n.Stmt.(*ast.ParserBrackets); ok {
-		n.Stmt = nn.Child
-	}
-}
-
-func (v *FilterParserNodes) StmtIf(n *ast.StmtIf) {
-	for {
-		if nn, ok := n.Cond.(*ast.ParserBrackets); ok {
-			n.Cond = nn.Child
-		} else {
-			break
-		}
-	}
-}
-
-func (v *FilterParserNodes) StmtElseIf(n *ast.StmtElseIf) {
-	for {
-		if nn, ok := n.Cond.(*ast.ParserBrackets); ok {
-			n.Cond = nn.Child
-		} else {
-			break
-		}
-	}
-}
-
 func (v *FilterParserNodes) StmtWhile(n *ast.StmtWhile) {
 	for {
 		if nn, ok := n.Cond.(*ast.ParserBrackets); ok {

pkg/ast/visitor/filter_tokens.go

@@ -87,3 +87,29 @@ func (v *FilterTokens) StmtStmtList(n *ast.StmtStmtList) {
 	n.OpenCurlyBracket = nil
 	n.CloseCurlyBracket = nil
 }
+
+func (v *FilterTokens) StmtIf(n *ast.StmtIf) {
+	n.IfTkn = nil
+	n.OpenParenthesisTkn = nil
+	n.CloseParenthesisTkn = nil
+	n.ColonTkn = nil
+	n.EndIfTkn = nil
+	n.SemiColonTkn = nil
+}
+
+func (v *FilterTokens) StmtElseIf(n *ast.StmtElseIf) {
+	n.ElseIfTkn = nil
+	n.OpenParenthesisTkn = nil
+	n.CloseParenthesisTkn = nil
+	n.ColonTkn = nil
+}
+
+func (v *FilterTokens) StmtElse(n *ast.StmtElse) {
+	n.ElseTkn = nil
+	n.ColonTkn = nil
+}
+
+func (v *FilterTokens) ParserBrackets(n *ast.ParserBrackets) {
+	n.OpenBracketTkn = nil
+	n.CloseBracketTkn = nil
+}

pkg/ast/visitor/null.go

@@ -54,14 +54,6 @@ func (v *Null) Argument(_ *ast.Argument) {
 	// do nothing
 }
 
-func (v *Null) StmtAltElse(_ *ast.StmtAltElse) {
-	// do nothing
-}
-
-func (v *Null) StmtAltElseIf(_ *ast.StmtAltElseIf) {
-	// do nothing
-}
-
 func (v *Null) StmtAltFor(_ *ast.StmtAltFor) {
 	// do nothing
 }
@@ -70,10 +62,6 @@ func (v *Null) StmtAltForeach(_ *ast.StmtAltForeach) {
 	// do nothing
 }
 
-func (v *Null) StmtAltIf(_ *ast.StmtAltIf) {
-	// do nothing
-}
-
 func (v *Null) StmtAltSwitch(_ *ast.StmtAltSwitch) {
 	// do nothing
 }

pkg/printer/pretty_printer.go

@@ -297,16 +297,10 @@ func (p *PrettyPrinter) printNode(n ast.Vertex) {
 
 		// stmt
 
-	case *ast.StmtAltElseIf:
-		p.printStmtAltElseIf(n)
-	case *ast.StmtAltElse:
-		p.printStmtAltElse(n)
 	case *ast.StmtAltFor:
 		p.printStmtAltFor(n)
 	case *ast.StmtAltForeach:
 		p.printStmtAltForeach(n)
-	case *ast.StmtAltIf:
-		p.printStmtAltIf(n)
 	case *ast.StmtAltSwitch:
 		p.printStmtAltSwitch(n)
 	case *ast.StmtAltWhile:
@@ -1348,7 +1342,7 @@ func (p *PrettyPrinter) printExprYield(n ast.Vertex) {
 // smtm
 
 func (p *PrettyPrinter) printStmtAltElseIf(n ast.Vertex) {
-	nn := n.(*ast.StmtAltElseIf)
+	nn := n.(*ast.StmtElseIf)
 
 	io.WriteString(p.w, "elseif (")
 	p.Print(nn.Cond)
@@ -1361,7 +1355,7 @@ func (p *PrettyPrinter) printStmtAltElseIf(n ast.Vertex) {
 }
 
 func (p *PrettyPrinter) printStmtAltElse(n ast.Vertex) {
-	nn := n.(*ast.StmtAltElse)
+	nn := n.(*ast.StmtElse)
 
 	io.WriteString(p.w, "else :")
 
@@ -1415,7 +1409,7 @@ func (p *PrettyPrinter) printStmtAltForeach(n ast.Vertex) {
 }
 
 func (p *PrettyPrinter) printStmtAltIf(n ast.Vertex) {
-	nn := n.(*ast.StmtAltIf)
+	nn := n.(*ast.StmtIf)
 
 	io.WriteString(p.w, "if (")
 	p.Print(nn.Cond)
@@ -1687,6 +1681,11 @@ func (p *PrettyPrinter) printStmtEcho(n ast.Vertex) {
 func (p *PrettyPrinter) printStmtElseif(n ast.Vertex) {
 	nn := n.(*ast.StmtElseIf)
 
+	if nn.Alt {
+		p.printStmtAltElseIf(nn)
+		return
+	}
+
 	io.WriteString(p.w, "elseif (")
 	p.Print(nn.Cond)
 	io.WriteString(p.w, ")")
@@ -1710,6 +1709,11 @@ func (p *PrettyPrinter) printStmtElseif(n ast.Vertex) {
 func (p *PrettyPrinter) printStmtElse(n ast.Vertex) {
 	nn := n.(*ast.StmtElse)
 
+	if nn.Alt {
+		p.printStmtAltElse(nn)
+		return
+	}
+
 	io.WriteString(p.w, "else")
 
 	switch s := nn.Stmt.(type) {
@@ -1854,6 +1858,11 @@ func (p *PrettyPrinter) printStmtHaltCompiler(n ast.Vertex) {
 func (p *PrettyPrinter) printStmtIf(n ast.Vertex) {
 	nn := n.(*ast.StmtIf)
 
+	if nn.Alt {
+		p.printStmtAltIf(nn)
+		return
+	}
+
 	io.WriteString(p.w, "if (")
 	p.Print(nn.Cond)
 	io.WriteString(p.w, ")")

pkg/printer/pretty_printer_test.go

@@ -2090,7 +2090,8 @@ func TestPrintAltElseIf(t *testing.T) {
 	o := bytes.NewBufferString("")
 
 	p := printer.NewPrettyPrinter(o, "    ")
-	p.Print(&ast.StmtAltElseIf{
+	p.Print(&ast.StmtElseIf{
+		Alt: true,
 		Cond: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("a")}},
 		Stmt: &ast.StmtStmtList{
 			Stmts: []ast.Vertex{
@@ -2112,7 +2113,8 @@ func TestPrintAltElseIfEmpty(t *testing.T) {
 	o := bytes.NewBufferString("")
 
 	p := printer.NewPrettyPrinter(o, "    ")
-	p.Print(&ast.StmtAltElseIf{
+	p.Print(&ast.StmtElseIf{
+		Alt: true,
 		Cond: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("a")}},
 		Stmt: &ast.StmtStmtList{},
 	})
@@ -2129,7 +2131,8 @@ func TestPrintAltElse(t *testing.T) {
 	o := bytes.NewBufferString("")
 
 	p := printer.NewPrettyPrinter(o, "    ")
-	p.Print(&ast.StmtAltElse{
+	p.Print(&ast.StmtElse{
+		Alt: true,
 		Stmt: &ast.StmtStmtList{
 			Stmts: []ast.Vertex{
 				&ast.StmtExpression{Expr: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("b")}}},
@@ -2150,7 +2153,8 @@ func TestPrintAltElseEmpty(t *testing.T) {
 	o := bytes.NewBufferString("")
 
 	p := printer.NewPrettyPrinter(o, "    ")
-	p.Print(&ast.StmtAltElse{
+	p.Print(&ast.StmtElse{
+		Alt: true,
 		Stmt: &ast.StmtStmtList{},
 	})
 
@@ -2236,7 +2240,8 @@ func TestPrintAltIf(t *testing.T) {
 	p := printer.NewPrettyPrinter(o, "    ")
 	p.Print(&ast.StmtNamespace{
 		Stmts: []ast.Vertex{
-			&ast.StmtAltIf{
+			&ast.StmtIf{
+				Alt: true,
 				Cond: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("a")}},
 				Stmt: &ast.StmtStmtList{
 					Stmts: []ast.Vertex{
@@ -2244,7 +2249,8 @@ func TestPrintAltIf(t *testing.T) {
 					},
 				},
 				ElseIf: []ast.Vertex{
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
+						Alt: true,
 						Cond: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("b")}},
 						Stmt: &ast.StmtStmtList{
 							Stmts: []ast.Vertex{
@@ -2252,12 +2258,14 @@ func TestPrintAltIf(t *testing.T) {
 							},
 						},
 					},
-					&ast.StmtAltElseIf{
+					&ast.StmtElseIf{
+						Alt: true,
 						Cond: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("c")}},
 						Stmt: &ast.StmtStmtList{},
 					},
 				},
-				Else: &ast.StmtAltElse{
+				Else: &ast.StmtElse{
+					Alt: true,
 					Stmt: &ast.StmtStmtList{
 						Stmts: []ast.Vertex{
 							&ast.StmtExpression{Expr: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("b")}}},

pkg/printer/printer.go

@@ -359,16 +359,10 @@ func (p *Printer) printNode(n ast.Vertex) {
 
 	// stmt
 
-	case *ast.StmtAltElseIf:
-		p.printStmtAltElseIf(n)
-	case *ast.StmtAltElse:
-		p.printStmtAltElse(n)
 	case *ast.StmtAltFor:
 		p.printStmtAltFor(n)
 	case *ast.StmtAltForeach:
 		p.printStmtAltForeach(n)
-	case *ast.StmtAltIf:
-		p.printStmtAltIf(n)
 	case *ast.StmtAltSwitch:
 		p.printStmtAltSwitch(n)
 	case *ast.StmtAltWhile:
@@ -1981,68 +1975,6 @@ func (p *Printer) printExprYield(n ast.Vertex) {
 
 // smtm
 
-func (p *Printer) printStmtAltElseIf(n ast.Vertex) {
-	nn := n.(*ast.StmtAltElseIf)
-	p.printFreeFloating(nn, token.Start)
-
-	io.WriteString(p.w, "elseif")
-
-	if _, ok := nn.Cond.(*ast.ParserBrackets); !ok {
-		io.WriteString(p.w, "(")
-	}
-
-	p.Print(nn.Cond)
-
-	if _, ok := nn.Cond.(*ast.ParserBrackets); !ok {
-		io.WriteString(p.w, ")")
-	}
-
-	stmtList, _ := nn.Stmt.(*ast.StmtStmtList)
-	brackets, ok := nn.Stmt.(*ast.ParserBrackets)
-	if ok {
-		p.printFreeFloating(brackets, token.Start)
-		stmtList = brackets.Child.(*ast.StmtStmtList)
-	} else {
-		io.WriteString(p.w, ":")
-	}
-
-	p.printFreeFloating(stmtList, token.Stmts)
-	p.printNodes(stmtList.Stmts)
-	p.printFreeFloating(stmtList, token.End)
-
-	if ok {
-		p.printFreeFloating(brackets, token.End)
-	}
-
-	p.printFreeFloating(nn, token.End)
-}
-
-func (p *Printer) printStmtAltElse(n ast.Vertex) {
-	nn := n.(*ast.StmtAltElse)
-	p.printFreeFloating(nn, token.Start)
-
-	io.WriteString(p.w, "else")
-
-	stmtList, _ := nn.Stmt.(*ast.StmtStmtList)
-	brackets, ok := nn.Stmt.(*ast.ParserBrackets)
-	if ok {
-		p.printFreeFloating(brackets, token.Start)
-		stmtList = brackets.Child.(*ast.StmtStmtList)
-	} else {
-		io.WriteString(p.w, ":")
-	}
-
-	p.printFreeFloating(stmtList, token.Stmts)
-	p.printNodes(stmtList.Stmts)
-	p.printFreeFloating(stmtList, token.End)
-
-	if ok {
-		p.printFreeFloating(brackets, token.End)
-	}
-
-	p.printFreeFloating(nn, token.End)
-}
-
 func (p *Printer) printStmtAltFor(n ast.Vertex) {
 	nn := n.(*ast.StmtAltFor)
 	p.printFreeFloating(nn, token.Start)
@@ -2124,59 +2056,6 @@ func (p *Printer) printStmtAltForeach(n ast.Vertex) {
 	p.printFreeFloating(nn, token.End)
 }
 
-func (p *Printer) printStmtAltIf(n ast.Vertex) {
-	nn := n.(*ast.StmtAltIf)
-	p.printFreeFloating(nn, token.Start)
-
-	io.WriteString(p.w, "if")
-
-	if _, ok := nn.Cond.(*ast.ParserBrackets); !ok {
-		io.WriteString(p.w, "(")
-	}
-
-	p.Print(nn.Cond)
-
-	if _, ok := nn.Cond.(*ast.ParserBrackets); !ok {
-		io.WriteString(p.w, ")")
-	}
-
-	stmtList, _ := nn.Stmt.(*ast.StmtStmtList)
-	brackets, ok := nn.Stmt.(*ast.ParserBrackets)
-	if ok {
-		p.printFreeFloating(brackets, token.Start)
-		stmtList = brackets.Child.(*ast.StmtStmtList)
-	} else {
-		io.WriteString(p.w, ":")
-	}
-
-	p.printFreeFloating(stmtList, token.Stmts)
-	p.printNodes(stmtList.Stmts)
-	p.printFreeFloating(stmtList, token.End)
-
-	if ok {
-		p.printFreeFloating(brackets, token.End)
-	}
-
-	for _, elseif := range nn.ElseIf {
-		p.Print(elseif)
-	}
-
-	if nn.Else != nil {
-		p.Print(nn.Else)
-	}
-
-	if !ok {
-		io.WriteString(p.w, "endif")
-	}
-
-	p.printFreeFloating(nn, token.SemiColon)
-	if nn.GetNode().Tokens.IsEmpty() {
-		io.WriteString(p.w, ";")
-	}
-
-	p.printFreeFloating(nn, token.End)
-}
-
 func (p *Printer) printStmtAltSwitch(n ast.Vertex) {
 	nn := n.(*ast.StmtAltSwitch)
 	p.printFreeFloating(nn, token.Start)
@@ -2579,42 +2458,54 @@ func (p *Printer) printStmtEcho(n ast.Vertex) {
 	p.printFreeFloating(nn, token.End)
 }
 
-func (p *Printer) printStmtElseif(n ast.Vertex) {
-	nn := n.(*ast.StmtElseIf)
-	p.printFreeFloating(nn, token.Start)
-
-	io.WriteString(p.w, "elseif")
-
-	if _, ok := nn.Cond.(*ast.ParserBrackets); !ok {
-		io.WriteString(p.w, "(")
+func (p *Printer) printStmtElseif(n *ast.StmtElseIf) {
+	if n.Alt {
+		p.printStmtAltElseIf(n)
+		return
 	}
 
-	p.Print(nn.Cond)
+	p.printToken(n.ElseIfTkn, "elseif")
+	p.printToken(n.OpenParenthesisTkn, "(")
+	p.Print(n.Cond)
+	p.printToken(n.CloseParenthesisTkn, ")")
 
-	if _, ok := nn.Cond.(*ast.ParserBrackets); !ok {
-		io.WriteString(p.w, ")")
-	}
-
-	p.Print(nn.Stmt)
-
-	p.printFreeFloating(nn, token.End)
+	p.Print(n.Stmt)
 }
 
-func (p *Printer) printStmtElse(n ast.Vertex) {
-	nn := n.(*ast.StmtElse)
-	p.printFreeFloating(nn, token.Start)
+func (p *Printer) printStmtAltElseIf(n *ast.StmtElseIf) {
+	p.printToken(n.ElseIfTkn, "elseif")
+	p.printToken(n.OpenParenthesisTkn, "(")
+	p.Print(n.Cond)
+	p.printToken(n.CloseParenthesisTkn, ")")
+	p.printToken(n.ColonTkn, ":")
 
-	io.WriteString(p.w, "else")
+	if stmtList, ok := n.Stmt.(*ast.StmtStmtList); ok {
+		p.printNodes(stmtList.Stmts)
+	} else {
+		p.Print(n.Stmt)
+	}
+}
 
-	if _, ok := nn.Stmt.(*ast.StmtStmtList); !ok {
-		if nn.Stmt.GetNode().Tokens.IsEmpty() {
-			io.WriteString(p.w, " ")
-		}
+func (p *Printer) printStmtElse(n *ast.StmtElse) {
+	if n.Alt {
+		p.printStmtAltElse(n)
+		return
 	}
 
-	p.Print(nn.Stmt)
+	p.printToken(n.ElseTkn, "else")
+	p.bufStart = " "
+	p.Print(n.Stmt)
+}
 
-	p.printFreeFloating(nn, token.End)
+func (p *Printer) printStmtAltElse(n *ast.StmtElse) {
+	p.printToken(n.ElseTkn, "else")
+	p.printToken(n.ColonTkn, ":")
+
+	if stmtList, ok := n.Stmt.(*ast.StmtStmtList); ok {
+		p.printNodes(stmtList.Stmts)
+	} else {
+		p.Print(n.Stmt)
+	}
 }
 
 func (p *Printer) printStmtExpression(n ast.Vertex) {
@@ -2789,33 +2680,40 @@ func (p *Printer) printStmtHaltCompiler(n *ast.StmtHaltCompiler) {
 	p.printToken(n.SemiColonTkn, ";")
 }
 
-func (p *Printer) printStmtIf(n ast.Vertex) {
-	nn := n.(*ast.StmtIf)
-	p.printFreeFloating(nn, token.Start)
-
-	io.WriteString(p.w, "if")
-
-	if _, ok := nn.Cond.(*ast.ParserBrackets); !ok {
-		io.WriteString(p.w, "(")
+func (p *Printer) printStmtIf(n *ast.StmtIf) {
+	if n.Alt {
+		p.printStmtAltIf(n)
+		return
 	}
 
-	p.Print(nn.Cond)
+	p.printToken(n.IfTkn, "if")
+	p.printToken(n.OpenParenthesisTkn, "(")
+	p.Print(n.Cond)
+	p.printToken(n.CloseParenthesisTkn, ")")
 
-	if _, ok := nn.Cond.(*ast.ParserBrackets); !ok {
-		io.WriteString(p.w, ")")
+	p.Print(n.Stmt)
+	p.printNodes(n.ElseIf)
+	p.Print(n.Else)
+}
+
+func (p *Printer) printStmtAltIf(n *ast.StmtIf) {
+	p.printToken(n.IfTkn, "if")
+	p.printToken(n.OpenParenthesisTkn, "(")
+	p.Print(n.Cond)
+	p.printToken(n.CloseParenthesisTkn, ")")
+	p.printToken(n.ColonTkn, ":")
+
+	if stmtList, ok := n.Stmt.(*ast.StmtStmtList); ok {
+		p.printNodes(stmtList.Stmts)
+	} else {
+		p.Print(n.Stmt)
 	}
 
-	p.Print(nn.Stmt)
+	p.printNodes(n.ElseIf)
+	p.Print(n.Else)
 
-	if nn.ElseIf != nil {
-		p.printNodes(nn.ElseIf)
-	}
-
-	if nn.Else != nil {
-		p.Print(nn.Else)
-	}
-
-	p.printFreeFloating(nn, token.End)
+	p.printToken(n.EndIfTkn, "endif")
+	p.printToken(n.SemiColonTkn, ";")
 }
 
 func (p *Printer) printStmtInlineHTML(n ast.Vertex) {
@@ -2900,7 +2798,7 @@ func (p *Printer) printStmtNamespace(n *ast.StmtNamespace) {
 }
 
 func (p *Printer) printStmtNop(n ast.Vertex) {
-	p.printFreeFloating(n, token.Start)
+	p.printFreeFloatingOrDefault(n, token.Start, p.bufStart)
 	p.printFreeFloating(n, token.SemiColon)
 	if n.GetNode().Tokens.IsEmpty() {
 		io.WriteString(p.w, ";")

pkg/printer/printer_parsed_php5_test.go

@@ -743,7 +743,8 @@ func TestParseAndPrintPhp5Yield(t *testing.T) {
 // test stmt
 
 func TestParseAndPrintPhp5AltIf(t *testing.T) {
-	src := `<?php
+	// TODO: remove ; after <?php
+	src := `<?php ;
 	if ( 1 ) :
 		// do nothing
 	elseif ( 2 ) :
@@ -1064,7 +1065,8 @@ func TestParseAndPrintPhp5HaltCompiler(t *testing.T) {
 }
 
 func TestParseAndPrintPhp5IfElseIfElse(t *testing.T) {
-	src := `<?php
+	// TODO: remove ; after <?php
+	src := `<?php ;
 	if ( 1 ) ;
 	elseif ( 2 ) {
 		;

pkg/printer/printer_parsed_php7_test.go

@@ -856,7 +856,8 @@ func TestParseAndPrintYield(t *testing.T) {
 // test stmt
 
 func TestParseAndPrintAltIf(t *testing.T) {
-	src := `<?php
+	// TODO: remove ; after <?php
+	src := `<?php ;
 	if ( 1 ) :
 		// do nothing
 	elseif ( 2 ) :
@@ -1197,7 +1198,8 @@ func TestParseAndPrintHaltCompiler(t *testing.T) {
 }
 
 func TestParseAndPrintIfElseIfElse(t *testing.T) {
-	src := `<?php
+	// TODO: remove ; after <?php
+	src := `<?php ;
 	if ( 1 ) ;
 	elseif ( 2 ) {
 		;

pkg/printer/printer_test.go

@@ -2565,7 +2565,8 @@ func TestPrinterPrintAltElseIf(t *testing.T) {
 	o := bytes.NewBufferString("")
 
 	p := printer.NewPrinter(o)
-	p.Print(&ast.StmtAltElseIf{
+	p.Print(&ast.StmtElseIf{
+		Alt: true,
 		Cond: &ast.ExprVariable{
 			VarName: &ast.Identifier{Value: []byte("$a")},
 		},
@@ -2590,7 +2591,8 @@ func TestPrinterPrintAltElseIfEmpty(t *testing.T) {
 	o := bytes.NewBufferString("")
 
 	p := printer.NewPrinter(o)
-	p.Print(&ast.StmtAltElseIf{
+	p.Print(&ast.StmtElseIf{
+		Alt: true,
 		Cond: &ast.ExprVariable{
 			VarName: &ast.Identifier{Value: []byte("$a")},
 		},
@@ -2609,7 +2611,8 @@ func TestPrinterPrintAltElse(t *testing.T) {
 	o := bytes.NewBufferString("")
 
 	p := printer.NewPrinter(o)
-	p.Print(&ast.StmtAltElse{
+	p.Print(&ast.StmtElse{
+		Alt: true,
 		Stmt: &ast.StmtStmtList{
 			Stmts: []ast.Vertex{
 				&ast.StmtExpression{Expr: &ast.ExprVariable{
@@ -2631,7 +2634,8 @@ func TestPrinterPrintAltElseEmpty(t *testing.T) {
 	o := bytes.NewBufferString("")
 
 	p := printer.NewPrinter(o)
-	p.Print(&ast.StmtAltElse{
+	p.Print(&ast.StmtElse{
+		Alt: true,
 		Stmt: &ast.StmtStmtList{},
 	})
 
@@ -2715,7 +2719,8 @@ func TestPrinterPrintAltIf(t *testing.T) {
 	o := bytes.NewBufferString("")
 
 	p := printer.NewPrinter(o)
-	p.Print(&ast.StmtAltIf{
+	p.Print(&ast.StmtIf{
+		Alt: true,
 		Cond: &ast.ExprVariable{
 			VarName: &ast.Identifier{Value: []byte("$a")},
 		},
@@ -2727,7 +2732,8 @@ func TestPrinterPrintAltIf(t *testing.T) {
 			},
 		},
 		ElseIf: []ast.Vertex{
-			&ast.StmtAltElseIf{
+			&ast.StmtElseIf{
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					VarName: &ast.Identifier{Value: []byte("$b")},
 				},
@@ -2739,14 +2745,16 @@ func TestPrinterPrintAltIf(t *testing.T) {
 					},
 				},
 			},
-			&ast.StmtAltElseIf{
+			&ast.StmtElseIf{
+				Alt: true,
 				Cond: &ast.ExprVariable{
 					VarName: &ast.Identifier{Value: []byte("$c")},
 				},
 				Stmt: &ast.StmtStmtList{},
 			},
 		},
-		Else: &ast.StmtAltElse{
+		Else: &ast.StmtElse{
+			Alt: true,
 			Stmt: &ast.StmtStmtList{
 				Stmts: []ast.Vertex{
 					&ast.StmtExpression{Expr: &ast.ExprVariable{
@@ -3453,7 +3461,7 @@ func TestPrinterPrintStmtElseStmts(t *testing.T) {
 		},
 	})
 
-	expected := `else{;}`
+	expected := `else {;}`
 	actual := o.String()
 
 	if expected != actual {