[refactoring] update ast structure of "Switch", "Case", "Default" nodes; remove "CaseList" node

internal/php5/parser_test.go

@@ -9431,78 +9431,68 @@ func TestStmtSwitch(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   5,
-							StartPos:  17,
-							EndPos:    58,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 3,
+								EndLine:   3,
+								StartPos:  22,
+								EndPos:    36,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 3,
 									EndLine:   3,
-									StartPos:  22,
-									EndPos:    36,
+									StartPos:  27,
+									EndPos:    28,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("1"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 3,
 										EndLine:   3,
-										StartPos:  27,
-										EndPos:    28,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  30,
-											EndPos:    36,
-										},
+										StartPos:  30,
+										EndPos:    36,
 									},
 								},
 							},
 						},
-						&ast.StmtCase{
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 4,
+								EndLine:   4,
+								StartPos:  40,
+								EndPos:    54,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 4,
 									EndLine:   4,
-									StartPos:  40,
-									EndPos:    54,
+									StartPos:  45,
+									EndPos:    46,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("2"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 4,
 										EndLine:   4,
-										StartPos:  45,
-										EndPos:    46,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 4,
-											EndLine:   4,
-											StartPos:  48,
-											EndPos:    54,
-										},
+										StartPos:  48,
+										EndPos:    54,
 									},
 								},
 							},
@@ -9560,78 +9550,68 @@ func TestStmtSwitch_Semicolon(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   5,
-							StartPos:  17,
-							EndPos:    59,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 3,
+								EndLine:   3,
+								StartPos:  23,
+								EndPos:    37,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 3,
 									EndLine:   3,
-									StartPos:  23,
-									EndPos:    37,
+									StartPos:  28,
+									EndPos:    29,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("1"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 3,
 										EndLine:   3,
-										StartPos:  28,
-										EndPos:    29,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  31,
-											EndPos:    37,
-										},
+										StartPos:  31,
+										EndPos:    37,
 									},
 								},
 							},
 						},
-						&ast.StmtCase{
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 4,
+								EndLine:   4,
+								StartPos:  41,
+								EndPos:    55,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 4,
 									EndLine:   4,
-									StartPos:  41,
-									EndPos:    55,
+									StartPos:  46,
+									EndPos:    47,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("2"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 4,
 										EndLine:   4,
-										StartPos:  46,
-										EndPos:    47,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 4,
-											EndLine:   4,
-											StartPos:  49,
-											EndPos:    55,
-										},
+										StartPos:  49,
+										EndPos:    55,
 									},
 								},
 							},
@@ -9670,7 +9650,7 @@ func TestStmtSwitch_Alt(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltSwitch{
+			&ast.StmtSwitch{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -9679,6 +9659,7 @@ func TestStmtSwitch_Alt(t *testing.T) {
 						EndPos:    65,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ScalarLnumber{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -9690,71 +9671,61 @@ func TestStmtSwitch_Alt(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   -1,
-							StartPos:  22,
-							EndPos:    -1,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 3,
+								EndLine:   -1,
+								StartPos:  22,
+								EndPos:    -1,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 3,
-									EndLine:   -1,
-									StartPos:  22,
-									EndPos:    -1,
+									EndLine:   3,
+									StartPos:  27,
+									EndPos:    28,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  27,
-										EndPos:    28,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("1"),
 						},
-						&ast.StmtDefault{
-							Node: ast.Node{
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   -1,
-									StartPos:  33,
-									EndPos:    -1,
-								},
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtDefault{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 4,
+								EndLine:   -1,
+								StartPos:  33,
+								EndPos:    -1,
 							},
-							Stmts: []ast.Vertex{},
 						},
-						&ast.StmtCase{
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 5,
+								EndLine:   -1,
+								StartPos:  45,
+								EndPos:    -1,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 5,
-									EndLine:   -1,
-									StartPos:  45,
-									EndPos:    -1,
+									EndLine:   5,
+									StartPos:  50,
+									EndPos:    51,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 5,
-										EndLine:   5,
-										StartPos:  50,
-										EndPos:    51,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("2"),
 						},
+						Stmts: []ast.Vertex{},
 					},
 				},
 			},
@@ -9788,7 +9759,7 @@ func TestStmtSwitch_AltSemicolon(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltSwitch{
+			&ast.StmtSwitch{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -9797,6 +9768,7 @@ func TestStmtSwitch_AltSemicolon(t *testing.T) {
 						EndPos:    54,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ScalarLnumber{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -9808,60 +9780,50 @@ func TestStmtSwitch_AltSemicolon(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   -1,
-							StartPos:  23,
-							EndPos:    -1,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 3,
+								EndLine:   -1,
+								StartPos:  23,
+								EndPos:    -1,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 3,
-									EndLine:   -1,
-									StartPos:  23,
-									EndPos:    -1,
+									EndLine:   3,
+									StartPos:  28,
+									EndPos:    29,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  28,
-										EndPos:    29,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("1"),
 						},
-						&ast.StmtCase{
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 4,
+								EndLine:   -1,
+								StartPos:  34,
+								EndPos:    -1,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 4,
-									EndLine:   -1,
-									StartPos:  34,
-									EndPos:    -1,
+									EndLine:   4,
+									StartPos:  39,
+									EndPos:    40,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 4,
-										EndLine:   4,
-										StartPos:  39,
-										EndPos:    40,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("2"),
 						},
+						Stmts: []ast.Vertex{},
 					},
 				},
 			},

internal/php5/php5.y

@@ -940,22 +940,13 @@ unticked_statement:
             }
     |   T_SWITCH parenthesis_expr switch_case_list
             {
-                switch n := $3.(type) {
-                case *ast.StmtSwitch:
-                    n.Cond = $2
-                case *ast.StmtAltSwitch:
-                    n.Cond = $2
-                default:
-                    panic("unexpected node type")
-                }
+                $3.(*ast.StmtSwitch).SwitchTkn = $1
+                $3.(*ast.StmtSwitch).OpenParenthesisTkn = $2.(*ast.ParserBrackets).OpenBracketTkn
+                $3.(*ast.StmtSwitch).Cond = $2.(*ast.ParserBrackets).Child
+                $3.(*ast.StmtSwitch).CloseParenthesisTkn = $2.(*ast.ParserBrackets).CloseBracketTkn
+                $3.(*ast.StmtSwitch).Node.Position = position.NewTokenNodePosition($1, $3)
 
                 $$ = $3
-
-                // save position
-                $$.GetNode().Position = position.NewTokenNodePosition($1, $3)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
             }
     |   T_BREAK ';'
             {
@@ -1790,62 +1781,53 @@ declare_list:
 switch_case_list:
         '{' case_list '}'
             {
-                caseList := &ast.StmtCaseList{ast.Node{}, $2}
-                $$ = &ast.StmtSwitch{ast.Node{}, nil, caseList}
-
-                // save position
-                caseList.GetNode().Position = position.NewTokensPosition($1, $3)
-                $$.GetNode().Position = position.NewTokensPosition($1, $3)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(caseList, token.Start, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(caseList, token.CaseListEnd, $3.SkippedTokens)
+                $$ = &ast.StmtSwitch{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $3),
+                    },
+                    OpenCurlyBracketTkn:  $1,
+                    CaseList:             $2,
+                    CloseCurlyBracketTkn: $3,
+                }
             }
     |   '{' ';' case_list '}'
             {
-                caseList := &ast.StmtCaseList{ast.Node{}, $3}
-                $$ = &ast.StmtSwitch{ast.Node{}, nil, caseList}
-
-                // save position
-                caseList.GetNode().Position = position.NewTokensPosition($1, $4)
-                $$.GetNode().Position = position.NewTokensPosition($1, $4)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(caseList, token.Start, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(caseList, token.CaseListStart, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(caseList, token.CaseListEnd, $4.SkippedTokens)
+                $$ = &ast.StmtSwitch{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $4),
+                    },
+                    OpenCurlyBracketTkn:  $1,
+                    CaseSeparatorTkn:     $2,
+                    CaseList:             $3,
+                    CloseCurlyBracketTkn: $4,
+                }
             }
     |   ':' case_list T_ENDSWITCH ';'
             {
-                caseList := &ast.StmtCaseList{ast.Node{}, $2}
-                $$ = &ast.StmtAltSwitch{ast.Node{}, nil, caseList}
-
-                // save position
-                caseList.GetNode().Position = position.NewNodeListPosition($2)
-                $$.GetNode().Position = position.NewTokensPosition($1, $4)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Cond, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(caseList, token.CaseListEnd, $3.SkippedTokens)
-                yylex.(*Parser).setFreeFloating($$, token.AltEnd, $4.SkippedTokens)
-                yylex.(*Parser).setToken($$, token.SemiColon, $4.SkippedTokens)
+                $$ = &ast.StmtSwitch{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $4),
+                    },
+                    Alt:          true,
+                    ColonTkn:     $1,
+                    CaseList:     $2,
+                    EndSwitchTkn: $3,
+                    SemiColonTkn: $4,
+                }
             }
     |   ':' ';' case_list T_ENDSWITCH ';'
             {
-
-                caseList := &ast.StmtCaseList{ast.Node{}, $3}
-                $$ = &ast.StmtAltSwitch{ast.Node{}, nil, caseList}
-
-                // save position
-                caseList.GetNode().Position = position.NewNodeListPosition($3)
-                $$.GetNode().Position = position.NewTokensPosition($1, $5)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Cond, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(caseList, token.CaseListStart, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(caseList, token.CaseListEnd, $4.SkippedTokens)
-                yylex.(*Parser).setFreeFloating($$, token.AltEnd, $5.SkippedTokens)
-                yylex.(*Parser).setToken($$, token.SemiColon, $5.SkippedTokens)
+                $$ = &ast.StmtSwitch{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $5),
+                    },
+                    Alt:              true,
+                    ColonTkn:         $1,
+                    CaseSeparatorTkn: $2,
+                    CaseList:         $3,
+                    EndSwitchTkn:     $4,
+                    SemiColonTkn:     $5,
+                }
             }
 ;
 
@@ -1853,33 +1835,30 @@ switch_case_list:
 case_list:
         /* empty */
             {
-                $$ = []ast.Vertex{}
+                $$ = nil
             }
     |   case_list T_CASE expr case_separator inner_statement_list
             {
-                _case := &ast.StmtCase{ast.Node{}, $3, $5}
-                $$ = append($1, _case)
-
-                // save position
-                _case.GetNode().Position = position.NewTokenNodeListPosition($2, $5)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(_case, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(_case, token.Expr, $4.SkippedTokens)
-                yylex.(*Parser).setToken(_case, token.CaseSeparator, $4.SkippedTokens)
+                $$ = append($1, &ast.StmtCase{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodeListPosition($2, $5),
+                    },
+                    CaseTkn:          $2,
+                    Cond:             $3,
+                    CaseSeparatorTkn: $4,
+                    Stmts:            $5,
+                })
             }
     |   case_list T_DEFAULT case_separator inner_statement_list
             {
-                _default := &ast.StmtDefault{ast.Node{}, $4}
-                $$ = append($1, _default)
-
-                // save position
-                _default.GetNode().Position = position.NewTokenNodeListPosition($2, $4)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(_default, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(_default, token.Default, $3.SkippedTokens)
-                yylex.(*Parser).setToken(_default, token.CaseSeparator, $3.SkippedTokens)
+                $$ = append($1, &ast.StmtDefault{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodeListPosition($2, $4),
+                    },
+                    DefaultTkn:       $2,
+                    CaseSeparatorTkn: $3,
+                    Stmts:            $4,
+                })
             }
 ;
 

internal/php5/php5_test.go

@@ -6894,7 +6894,7 @@ func TestPhp5(t *testing.T) {
 					},
 				},
 			},
-			&ast.StmtAltSwitch{
+			&ast.StmtSwitch{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 118,
@@ -6903,6 +6903,7 @@ func TestPhp5(t *testing.T) {
 						EndPos:    2606,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ScalarLnumber{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -6914,75 +6915,65 @@ func TestPhp5(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 119,
-							EndLine:   -1,
-							StartPos:  2563,
-							EndPos:    -1,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 119,
+								EndLine:   -1,
+								StartPos:  2563,
+								EndPos:    -1,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 119,
-									EndLine:   -1,
-									StartPos:  2563,
-									EndPos:    -1,
+									EndLine:   119,
+									StartPos:  2568,
+									EndPos:    2569,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 119,
-										EndLine:   119,
-										StartPos:  2568,
-										EndPos:    2569,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("1"),
 						},
-						&ast.StmtDefault{
-							Node: ast.Node{
-								Position: &position.Position{
-									StartLine: 120,
-									EndLine:   -1,
-									StartPos:  2575,
-									EndPos:    -1,
-								},
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtDefault{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 120,
+								EndLine:   -1,
+								StartPos:  2575,
+								EndPos:    -1,
 							},
-							Stmts: []ast.Vertex{},
 						},
-						&ast.StmtCase{
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 121,
+								EndLine:   -1,
+								StartPos:  2588,
+								EndPos:    -1,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 121,
-									EndLine:   -1,
-									StartPos:  2588,
-									EndPos:    -1,
+									EndLine:   121,
+									StartPos:  2593,
+									EndPos:    2594,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 121,
-										EndLine:   121,
-										StartPos:  2593,
-										EndPos:    2594,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("2"),
 						},
+						Stmts: []ast.Vertex{},
 					},
 				},
 			},
-			&ast.StmtAltSwitch{
+			&ast.StmtSwitch{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 124,
@@ -6991,6 +6982,7 @@ func TestPhp5(t *testing.T) {
 						EndPos:    2656,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ScalarLnumber{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -7002,60 +6994,50 @@ func TestPhp5(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 125,
-							EndLine:   -1,
-							StartPos:  2626,
-							EndPos:    -1,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 125,
+								EndLine:   -1,
+								StartPos:  2626,
+								EndPos:    -1,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 125,
-									EndLine:   -1,
-									StartPos:  2626,
-									EndPos:    -1,
+									EndLine:   125,
+									StartPos:  2631,
+									EndPos:    2632,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 125,
-										EndLine:   125,
-										StartPos:  2631,
-										EndPos:    2632,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("1"),
 						},
-						&ast.StmtCase{
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 126,
+								EndLine:   -1,
+								StartPos:  2638,
+								EndPos:    -1,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 126,
-									EndLine:   -1,
-									StartPos:  2638,
-									EndPos:    -1,
+									EndLine:   126,
+									StartPos:  2643,
+									EndPos:    2644,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 126,
-										EndLine:   126,
-										StartPos:  2643,
-										EndPos:    2644,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("2"),
 						},
+						Stmts: []ast.Vertex{},
 					},
 				},
 			},
@@ -7079,78 +7061,68 @@ func TestPhp5(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 129,
-							EndLine:   132,
-							StartPos:  2669,
-							EndPos:    2710,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 130,
+								EndLine:   130,
+								StartPos:  2675,
+								EndPos:    2689,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 130,
 									EndLine:   130,
-									StartPos:  2675,
-									EndPos:    2689,
+									StartPos:  2680,
+									EndPos:    2681,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("1"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 130,
 										EndLine:   130,
-										StartPos:  2680,
-										EndPos:    2681,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 130,
-											EndLine:   130,
-											StartPos:  2683,
-											EndPos:    2689,
-										},
+										StartPos:  2683,
+										EndPos:    2689,
 									},
 								},
 							},
 						},
-						&ast.StmtCase{
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 131,
+								EndLine:   131,
+								StartPos:  2694,
+								EndPos:    2708,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 131,
 									EndLine:   131,
-									StartPos:  2694,
-									EndPos:    2708,
+									StartPos:  2699,
+									EndPos:    2700,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("2"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 131,
 										EndLine:   131,
-										StartPos:  2699,
-										EndPos:    2700,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 131,
-											EndLine:   131,
-											StartPos:  2702,
-											EndPos:    2708,
-										},
+										StartPos:  2702,
+										EndPos:    2708,
 									},
 								},
 							},
@@ -7178,78 +7150,68 @@ func TestPhp5(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 134,
-							EndLine:   137,
-							StartPos:  2723,
-							EndPos:    2765,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 135,
+								EndLine:   135,
+								StartPos:  2730,
+								EndPos:    2744,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 135,
 									EndLine:   135,
-									StartPos:  2730,
-									EndPos:    2744,
+									StartPos:  2735,
+									EndPos:    2736,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("1"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 135,
 										EndLine:   135,
-										StartPos:  2735,
-										EndPos:    2736,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 135,
-											EndLine:   135,
-											StartPos:  2738,
-											EndPos:    2744,
-										},
+										StartPos:  2738,
+										EndPos:    2744,
 									},
 								},
 							},
 						},
-						&ast.StmtCase{
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 136,
+								EndLine:   136,
+								StartPos:  2749,
+								EndPos:    2763,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 136,
 									EndLine:   136,
-									StartPos:  2749,
-									EndPos:    2763,
+									StartPos:  2754,
+									EndPos:    2755,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("2"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 136,
 										EndLine:   136,
-										StartPos:  2754,
-										EndPos:    2755,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 136,
-											EndLine:   136,
-											StartPos:  2757,
-											EndPos:    2763,
-										},
+										StartPos:  2757,
+										EndPos:    2763,
 									},
 								},
 							},

internal/php7/parser_test.go

@@ -10226,78 +10226,68 @@ func TestStmtSwitch(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   5,
-							StartPos:  17,
-							EndPos:    58,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 3,
+								EndLine:   3,
+								StartPos:  22,
+								EndPos:    36,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 3,
 									EndLine:   3,
-									StartPos:  22,
-									EndPos:    36,
+									StartPos:  27,
+									EndPos:    28,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("1"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 3,
 										EndLine:   3,
-										StartPos:  27,
-										EndPos:    28,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  30,
-											EndPos:    36,
-										},
+										StartPos:  30,
+										EndPos:    36,
 									},
 								},
 							},
 						},
-						&ast.StmtCase{
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 4,
+								EndLine:   4,
+								StartPos:  40,
+								EndPos:    54,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 4,
 									EndLine:   4,
-									StartPos:  40,
-									EndPos:    54,
+									StartPos:  45,
+									EndPos:    46,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("2"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 4,
 										EndLine:   4,
-										StartPos:  45,
-										EndPos:    46,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 4,
-											EndLine:   4,
-											StartPos:  48,
-											EndPos:    54,
-										},
+										StartPos:  48,
+										EndPos:    54,
 									},
 								},
 							},
@@ -10355,78 +10345,68 @@ func TestStmtSwitch_Semicolon(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   5,
-							StartPos:  17,
-							EndPos:    59,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 3,
+								EndLine:   3,
+								StartPos:  23,
+								EndPos:    37,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 3,
 									EndLine:   3,
-									StartPos:  23,
-									EndPos:    37,
+									StartPos:  28,
+									EndPos:    29,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("1"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 3,
 										EndLine:   3,
-										StartPos:  28,
-										EndPos:    29,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  31,
-											EndPos:    37,
-										},
+										StartPos:  31,
+										EndPos:    37,
 									},
 								},
 							},
 						},
-						&ast.StmtCase{
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 4,
+								EndLine:   4,
+								StartPos:  41,
+								EndPos:    55,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 4,
 									EndLine:   4,
-									StartPos:  41,
-									EndPos:    55,
+									StartPos:  46,
+									EndPos:    47,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("2"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 4,
 										EndLine:   4,
-										StartPos:  46,
-										EndPos:    47,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 4,
-											EndLine:   4,
-											StartPos:  49,
-											EndPos:    55,
-										},
+										StartPos:  49,
+										EndPos:    55,
 									},
 								},
 							},
@@ -10465,7 +10445,7 @@ func TestStmtSwitch_Alt(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltSwitch{
+			&ast.StmtSwitch{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -10474,6 +10454,7 @@ func TestStmtSwitch_Alt(t *testing.T) {
 						EndPos:    65,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ScalarLnumber{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -10485,71 +10466,61 @@ func TestStmtSwitch_Alt(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   -1,
-							StartPos:  22,
-							EndPos:    -1,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 3,
+								EndLine:   -1,
+								StartPos:  22,
+								EndPos:    -1,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 3,
-									EndLine:   -1,
-									StartPos:  22,
-									EndPos:    -1,
+									EndLine:   3,
+									StartPos:  27,
+									EndPos:    28,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  27,
-										EndPos:    28,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("1"),
 						},
-						&ast.StmtDefault{
-							Node: ast.Node{
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   -1,
-									StartPos:  33,
-									EndPos:    -1,
-								},
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtDefault{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 4,
+								EndLine:   -1,
+								StartPos:  33,
+								EndPos:    -1,
 							},
-							Stmts: []ast.Vertex{},
 						},
-						&ast.StmtCase{
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 5,
+								EndLine:   -1,
+								StartPos:  45,
+								EndPos:    -1,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 5,
-									EndLine:   -1,
-									StartPos:  45,
-									EndPos:    -1,
+									EndLine:   5,
+									StartPos:  50,
+									EndPos:    51,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 5,
-										EndLine:   5,
-										StartPos:  50,
-										EndPos:    51,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("2"),
 						},
+						Stmts: []ast.Vertex{},
 					},
 				},
 			},
@@ -10583,7 +10554,7 @@ func TestStmtSwitch_AltSemicolon(t *testing.T) {
 			},
 		},
 		Stmts: []ast.Vertex{
-			&ast.StmtAltSwitch{
+			&ast.StmtSwitch{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 2,
@@ -10592,6 +10563,7 @@ func TestStmtSwitch_AltSemicolon(t *testing.T) {
 						EndPos:    54,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ScalarLnumber{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -10603,60 +10575,50 @@ func TestStmtSwitch_AltSemicolon(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   -1,
-							StartPos:  23,
-							EndPos:    -1,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 3,
+								EndLine:   -1,
+								StartPos:  23,
+								EndPos:    -1,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 3,
-									EndLine:   -1,
-									StartPos:  23,
-									EndPos:    -1,
+									EndLine:   3,
+									StartPos:  28,
+									EndPos:    29,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  28,
-										EndPos:    29,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("1"),
 						},
-						&ast.StmtCase{
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 4,
+								EndLine:   -1,
+								StartPos:  34,
+								EndPos:    -1,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 4,
-									EndLine:   -1,
-									StartPos:  34,
-									EndPos:    -1,
+									EndLine:   4,
+									StartPos:  39,
+									EndPos:    40,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 4,
-										EndLine:   4,
-										StartPos:  39,
-										EndPos:    40,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("2"),
 						},
+						Stmts: []ast.Vertex{},
 					},
 				},
 			},

internal/php7/php7.y

@@ -909,34 +909,13 @@ statement:
             }
     |   T_SWITCH '(' expr ')' switch_case_list
             {
-                exprBrackets := &ast.ParserBrackets{
-                    Node: ast.Node{
-                        Position: position.NewTokensPosition($2, $4),
-                    },
-                    OpenBracketTkn:  $2,
-                    Child:           $3,
-                    CloseBracketTkn: $4,
-                }
-
-                switch n := $5.(type) {
-                case *ast.StmtSwitch:
-                    n.Cond = exprBrackets
-                case *ast.StmtAltSwitch:
-                    n.Cond = exprBrackets
-                default:
-                    panic("unexpected node type")
-                }
+                $5.(*ast.StmtSwitch).SwitchTkn = $1
+                $5.(*ast.StmtSwitch).OpenParenthesisTkn = $2
+                $5.(*ast.StmtSwitch).Cond = $3
+                $5.(*ast.StmtSwitch).CloseParenthesisTkn = $4
+                $5.(*ast.StmtSwitch).Node.Position = position.NewTokenNodePosition($1, $5)
 
                 $$ = $5
-
-                // save position
-                exprBrackets.GetNode().Position = position.NewTokensPosition($2, $4)
-                $$.GetNode().Position = position.NewTokenNodePosition($1, $5)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.End, $4.SkippedTokens)
             }
     |   T_BREAK optional_expr ';'
             {
@@ -1599,95 +1578,83 @@ declare_statement:
 switch_case_list:
         '{' case_list '}'
             {
-                caseList := &ast.StmtCaseList{ast.Node{}, $2}
-                $$ = &ast.StmtSwitch{ast.Node{}, nil, caseList}
-
-                // save position
-                caseList.GetNode().Position = position.NewTokensPosition($1, $3)
-                $$.GetNode().Position = position.NewTokensPosition($1, $3)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(caseList, token.Start, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(caseList, token.CaseListEnd, $3.SkippedTokens)
+                $$ = &ast.StmtSwitch{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $3),
+                    },
+                    OpenCurlyBracketTkn:  $1,
+                    CaseList:             $2,
+                    CloseCurlyBracketTkn: $3,
+                }
             }
     |   '{' ';' case_list '}'
             {
-                caseList := &ast.StmtCaseList{ast.Node{}, $3}
-                $$ = &ast.StmtSwitch{ast.Node{}, nil, caseList}
-
-                // save position
-                caseList.GetNode().Position = position.NewTokensPosition($1, $4)
-                $$.GetNode().Position = position.NewTokensPosition($1, $4)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(caseList, token.Start, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(caseList, token.CaseListStart, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(caseList, token.CaseListEnd, $4.SkippedTokens)
+                $$ = &ast.StmtSwitch{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $4),
+                    },
+                    OpenCurlyBracketTkn:  $1,
+                    CaseSeparatorTkn:     $2,
+                    CaseList:             $3,
+                    CloseCurlyBracketTkn: $4,
+                }
             }
     |   ':' case_list T_ENDSWITCH ';'
             {
-                caseList := &ast.StmtCaseList{ast.Node{}, $2}
-                $$ = &ast.StmtAltSwitch{ast.Node{}, nil, caseList}
-
-                // save position
-                caseList.GetNode().Position = position.NewNodeListPosition($2)
-                $$.GetNode().Position = position.NewTokensPosition($1, $4)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Cond, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(caseList, token.CaseListEnd, $3.SkippedTokens)
-                yylex.(*Parser).setFreeFloating($$, token.AltEnd, $4.SkippedTokens)
-                yylex.(*Parser).setToken($$, token.SemiColon, $4.SkippedTokens)
+                $$ = &ast.StmtSwitch{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $4),
+                    },
+                    Alt:          true,
+                    ColonTkn:     $1,
+                    CaseList:     $2,
+                    EndSwitchTkn: $3,
+                    SemiColonTkn: $4,
+                }
             }
     |   ':' ';' case_list T_ENDSWITCH ';'
             {
-
-                caseList := &ast.StmtCaseList{ast.Node{}, $3}
-                $$ = &ast.StmtAltSwitch{ast.Node{}, nil, caseList}
-
-                // save position
-                caseList.GetNode().Position = position.NewNodeListPosition($3)
-                $$.GetNode().Position = position.NewTokensPosition($1, $5)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Cond, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(caseList, token.CaseListStart, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(caseList, token.CaseListEnd, $4.SkippedTokens)
-                yylex.(*Parser).setFreeFloating($$, token.AltEnd, $5.SkippedTokens)
-                yylex.(*Parser).setToken($$, token.SemiColon, $5.SkippedTokens)
+                $$ = &ast.StmtSwitch{
+                    Node: ast.Node{
+                        Position: position.NewTokensPosition($1, $5),
+                    },
+                    Alt:              true,
+                    ColonTkn:         $1,
+                    CaseSeparatorTkn: $2,
+                    CaseList:         $3,
+                    EndSwitchTkn:     $4,
+                    SemiColonTkn:     $5,
+                }
             }
 ;
 
 case_list:
         /* empty */
             {
-                $$ = []ast.Vertex{}
+                $$ = nil
             }
     |   case_list T_CASE expr case_separator inner_statement_list
             {
-                _case := &ast.StmtCase{ast.Node{}, $3, $5}
-                $$ = append($1, _case)
-
-                // save position
-                _case.GetNode().Position = position.NewTokenNodeListPosition($2, $5)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(_case, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(_case, token.Expr, append($4.SkippedTokens))
-                yylex.(*Parser).setToken(_case, token.CaseSeparator, $4.SkippedTokens)
+                $$ = append($1, &ast.StmtCase{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodeListPosition($2, $5),
+                    },
+                    CaseTkn:          $2,
+                    Cond:             $3,
+                    CaseSeparatorTkn: $4,
+                    Stmts:            $5,
+                })
             }
     |   case_list T_DEFAULT case_separator inner_statement_list
             {
-                _default := &ast.StmtDefault{ast.Node{}, $4}
-                $$ = append($1, _default)
-
-                // save position
-                _default.GetNode().Position = position.NewTokenNodeListPosition($2, $4)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating(_default, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloating(_default, token.Default, $3.SkippedTokens)
-                yylex.(*Parser).setToken(_default, token.CaseSeparator, $3.SkippedTokens)
+                $$ = append($1, &ast.StmtDefault{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodeListPosition($2, $4),
+                    },
+                    DefaultTkn:       $2,
+                    CaseSeparatorTkn: $3,
+                    Stmts:            $4,
+                })
             }
 ;
 

internal/php7/php7_test.go

@@ -7338,7 +7338,7 @@ func TestPhp7(t *testing.T) {
 					},
 				},
 			},
-			&ast.StmtAltSwitch{
+			&ast.StmtSwitch{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 122,
@@ -7347,6 +7347,7 @@ func TestPhp7(t *testing.T) {
 						EndPos:    2694,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ScalarLnumber{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -7358,75 +7359,65 @@ func TestPhp7(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 123,
-							EndLine:   -1,
-							StartPos:  2651,
-							EndPos:    -1,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 123,
+								EndLine:   -1,
+								StartPos:  2651,
+								EndPos:    -1,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 123,
-									EndLine:   -1,
-									StartPos:  2651,
-									EndPos:    -1,
+									EndLine:   123,
+									StartPos:  2656,
+									EndPos:    2657,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 123,
-										EndLine:   123,
-										StartPos:  2656,
-										EndPos:    2657,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("1"),
 						},
-						&ast.StmtDefault{
-							Node: ast.Node{
-								Position: &position.Position{
-									StartLine: 124,
-									EndLine:   -1,
-									StartPos:  2663,
-									EndPos:    -1,
-								},
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtDefault{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 124,
+								EndLine:   -1,
+								StartPos:  2663,
+								EndPos:    -1,
 							},
-							Stmts: []ast.Vertex{},
 						},
-						&ast.StmtCase{
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 125,
+								EndLine:   -1,
+								StartPos:  2676,
+								EndPos:    -1,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 125,
-									EndLine:   -1,
-									StartPos:  2676,
-									EndPos:    -1,
+									EndLine:   125,
+									StartPos:  2681,
+									EndPos:    2682,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 125,
-										EndLine:   125,
-										StartPos:  2681,
-										EndPos:    2682,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("2"),
 						},
+						Stmts: []ast.Vertex{},
 					},
 				},
 			},
-			&ast.StmtAltSwitch{
+			&ast.StmtSwitch{
 				Node: ast.Node{
 					Position: &position.Position{
 						StartLine: 128,
@@ -7435,6 +7426,7 @@ func TestPhp7(t *testing.T) {
 						EndPos:    2744,
 					},
 				},
+				Alt: true,
 				Cond: &ast.ScalarLnumber{
 					Node: ast.Node{
 						Position: &position.Position{
@@ -7446,60 +7438,50 @@ func TestPhp7(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 129,
-							EndLine:   -1,
-							StartPos:  2714,
-							EndPos:    -1,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 129,
+								EndLine:   -1,
+								StartPos:  2714,
+								EndPos:    -1,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 129,
-									EndLine:   -1,
-									StartPos:  2714,
-									EndPos:    -1,
+									EndLine:   129,
+									StartPos:  2719,
+									EndPos:    2720,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 129,
-										EndLine:   129,
-										StartPos:  2719,
-										EndPos:    2720,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("1"),
 						},
-						&ast.StmtCase{
+						Stmts: []ast.Vertex{},
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 130,
+								EndLine:   -1,
+								StartPos:  2726,
+								EndPos:    -1,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 130,
-									EndLine:   -1,
-									StartPos:  2726,
-									EndPos:    -1,
+									EndLine:   130,
+									StartPos:  2731,
+									EndPos:    2732,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
-								Node: ast.Node{
-									Position: &position.Position{
-										StartLine: 130,
-										EndLine:   130,
-										StartPos:  2731,
-										EndPos:    2732,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{},
+							Value: []byte("2"),
 						},
+						Stmts: []ast.Vertex{},
 					},
 				},
 			},
@@ -7523,78 +7505,68 @@ func TestPhp7(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 133,
-							EndLine:   136,
-							StartPos:  2757,
-							EndPos:    2798,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 134,
+								EndLine:   134,
+								StartPos:  2763,
+								EndPos:    2777,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 134,
 									EndLine:   134,
-									StartPos:  2763,
-									EndPos:    2777,
+									StartPos:  2768,
+									EndPos:    2769,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("1"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 134,
 										EndLine:   134,
-										StartPos:  2768,
-										EndPos:    2769,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 134,
-											EndLine:   134,
-											StartPos:  2771,
-											EndPos:    2777,
-										},
+										StartPos:  2771,
+										EndPos:    2777,
 									},
 								},
 							},
 						},
-						&ast.StmtCase{
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 135,
+								EndLine:   135,
+								StartPos:  2782,
+								EndPos:    2796,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 135,
 									EndLine:   135,
-									StartPos:  2782,
-									EndPos:    2796,
+									StartPos:  2787,
+									EndPos:    2788,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("2"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 135,
 										EndLine:   135,
-										StartPos:  2787,
-										EndPos:    2788,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 135,
-											EndLine:   135,
-											StartPos:  2790,
-											EndPos:    2796,
-										},
+										StartPos:  2790,
+										EndPos:    2796,
 									},
 								},
 							},
@@ -7622,78 +7594,68 @@ func TestPhp7(t *testing.T) {
 					},
 					Value: []byte("1"),
 				},
-				CaseList: &ast.StmtCaseList{
-					Node: ast.Node{
-						Position: &position.Position{
-							StartLine: 138,
-							EndLine:   141,
-							StartPos:  2811,
-							EndPos:    2853,
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 139,
+								EndLine:   139,
+								StartPos:  2818,
+								EndPos:    2832,
+							},
 						},
-					},
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 139,
 									EndLine:   139,
-									StartPos:  2818,
-									EndPos:    2832,
+									StartPos:  2823,
+									EndPos:    2824,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("1"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 139,
 										EndLine:   139,
-										StartPos:  2823,
-										EndPos:    2824,
-									},
-								},
-								Value: []byte("1"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 139,
-											EndLine:   139,
-											StartPos:  2826,
-											EndPos:    2832,
-										},
+										StartPos:  2826,
+										EndPos:    2832,
 									},
 								},
 							},
 						},
-						&ast.StmtCase{
+					},
+					&ast.StmtCase{
+						Node: ast.Node{
+							Position: &position.Position{
+								StartLine: 140,
+								EndLine:   140,
+								StartPos:  2837,
+								EndPos:    2851,
+							},
+						},
+						Cond: &ast.ScalarLnumber{
 							Node: ast.Node{
 								Position: &position.Position{
 									StartLine: 140,
 									EndLine:   140,
-									StartPos:  2837,
-									EndPos:    2851,
+									StartPos:  2842,
+									EndPos:    2843,
 								},
 							},
-							Cond: &ast.ScalarLnumber{
+							Value: []byte("2"),
+						},
+						Stmts: []ast.Vertex{
+							&ast.StmtBreak{
 								Node: ast.Node{
 									Position: &position.Position{
 										StartLine: 140,
 										EndLine:   140,
-										StartPos:  2842,
-										EndPos:    2843,
-									},
-								},
-								Value: []byte("2"),
-							},
-							Stmts: []ast.Vertex{
-								&ast.StmtBreak{
-									Node: ast.Node{
-										Position: &position.Position{
-											StartLine: 140,
-											EndLine:   140,
-											StartPos:  2845,
-											EndPos:    2851,
-										},
+										StartPos:  2845,
+										EndPos:    2851,
 									},
 								},
 							},

pkg/ast/ast.go

@@ -28,10 +28,8 @@ type NodeVisitor interface {
 	Argument(n *Argument)
 
 	StmtAltForeach(n *StmtAltForeach)
-	StmtAltSwitch(n *StmtAltSwitch)
 	StmtBreak(n *StmtBreak)
 	StmtCase(n *StmtCase)
-	StmtCaseList(n *StmtCaseList)
 	StmtCatch(n *StmtCatch)
 	StmtClass(n *StmtClass)
 	StmtClassConstList(n *StmtClassConstList)

pkg/ast/node.go

@@ -188,17 +188,6 @@ func (n *StmtAltForeach) Accept(v NodeVisitor) {
 	v.StmtAltForeach(n)
 }
 
-// StmtAltSwitch node
-type StmtAltSwitch struct {
-	Node
-	Cond     Vertex
-	CaseList *StmtCaseList
-}
-
-func (n *StmtAltSwitch) Accept(v NodeVisitor) {
-	v.StmtAltSwitch(n)
-}
-
 // StmtBreak node
 type StmtBreak struct {
 	Node
@@ -212,24 +201,16 @@ func (n *StmtBreak) Accept(v NodeVisitor) {
 // StmtCase node
 type StmtCase struct {
 	Node
-	Cond  Vertex
-	Stmts []Vertex
+	CaseTkn          *token.Token
+	Cond             Vertex
+	CaseSeparatorTkn *token.Token
+	Stmts            []Vertex
 }
 
 func (n *StmtCase) Accept(v NodeVisitor) {
 	v.StmtCase(n)
 }
 
-// StmtCaseList node
-type StmtCaseList struct {
-	Node
-	Cases []Vertex
-}
-
-func (n *StmtCaseList) Accept(v NodeVisitor) {
-	v.StmtCaseList(n)
-}
-
 // StmtCatch node
 type StmtCatch struct {
 	Node
@@ -355,7 +336,9 @@ func (n *StmtDeclare) Accept(v NodeVisitor) {
 // StmtDefault node
 type StmtDefault struct {
 	Node
-	Stmts []Vertex
+	DefaultTkn       *token.Token
+	CaseSeparatorTkn *token.Token
+	Stmts            []Vertex
 }
 
 func (n *StmtDefault) Accept(v NodeVisitor) {
@@ -674,8 +657,18 @@ func (n *StmtStmtList) Accept(v NodeVisitor) {
 // StmtSwitch node
 type StmtSwitch struct {
 	Node
-	Cond     Vertex
-	CaseList *StmtCaseList
+	Alt                  bool
+	SwitchTkn            *token.Token
+	OpenParenthesisTkn   *token.Token
+	Cond                 Vertex
+	CloseParenthesisTkn  *token.Token
+	ColonTkn             *token.Token
+	OpenCurlyBracketTkn  *token.Token
+	CaseSeparatorTkn     *token.Token
+	CaseList             []Vertex
+	CloseCurlyBracketTkn *token.Token
+	EndSwitchTkn         *token.Token
+	SemiColonTkn         *token.Token
 }
 
 func (n *StmtSwitch) Accept(v NodeVisitor) {

pkg/ast/traverser/dfs.go

@@ -146,23 +146,6 @@ func (t *DFS) Traverse(n ast.Vertex) {
 			t.Traverse(nn.Stmt)
 			t.visitor.Leave("Stmt", true)
 		}
-	case *ast.StmtAltSwitch:
-		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.CaseList != nil {
-			t.visitor.Enter("CaseList", true)
-			t.Traverse(nn.CaseList)
-			t.visitor.Leave("CaseList", true)
-		}
 	case *ast.StmtBreak:
 		if nn == nil {
 			return
@@ -194,20 +177,6 @@ func (t *DFS) Traverse(n ast.Vertex) {
 			}
 			t.visitor.Leave("Stmts", false)
 		}
-	case *ast.StmtCaseList:
-		if nn == nil {
-			return
-		}
-		if !t.visitor.EnterNode(nn) {
-			return
-		}
-		if nn.Cases != nil {
-			t.visitor.Enter("Cases", false)
-			for _, c := range nn.Cases {
-				t.Traverse(c)
-			}
-			t.visitor.Leave("Cases", false)
-		}
 	case *ast.StmtCatch:
 		if nn == nil {
 			return
@@ -869,9 +838,11 @@ func (t *DFS) Traverse(n ast.Vertex) {
 			t.visitor.Leave("Cond", true)
 		}
 		if nn.CaseList != nil {
-			t.visitor.Enter("CaseList", true)
-			t.Traverse(nn.CaseList)
-			t.visitor.Leave("CaseList", true)
+			t.visitor.Enter("CaseList", false)
+			for _, c := range nn.CaseList {
+				t.Traverse(c)
+			}
+			t.visitor.Leave("CaseList", false)
 		}
 	case *ast.StmtThrow:
 		if nn == nil {

pkg/ast/visitor/dump.go

@@ -258,12 +258,6 @@ func (v *Dump) StmtAltForeach(n *ast.StmtAltForeach) {
 	v.printNode(n.GetNode())
 }
 
-func (v *Dump) StmtAltSwitch(n *ast.StmtAltSwitch) {
-	v.printIndentIfNotSingle(v.indent - 1)
-	v.print("&ast.StmtAltSwitch{\n")
-	v.printNode(n.GetNode())
-}
-
 func (v *Dump) StmtBreak(n *ast.StmtBreak) {
 	v.printIndentIfNotSingle(v.indent - 1)
 	v.print("&ast.StmtBreak{\n")
@@ -276,12 +270,6 @@ func (v *Dump) StmtCase(n *ast.StmtCase) {
 	v.printNode(n.GetNode())
 }
 
-func (v *Dump) StmtCaseList(n *ast.StmtCaseList) {
-	v.printIndentIfNotSingle(v.indent - 1)
-	v.print("&ast.StmtCaseList{\n")
-	v.printNode(n.GetNode())
-}
-
 func (v *Dump) StmtCatch(n *ast.StmtCatch) {
 	v.printIndentIfNotSingle(v.indent - 1)
 	v.print("&ast.StmtCatch{\n")
@@ -540,6 +528,11 @@ func (v *Dump) StmtSwitch(n *ast.StmtSwitch) {
 	v.printIndentIfNotSingle(v.indent - 1)
 	v.print("&ast.StmtSwitch{\n")
 	v.printNode(n.GetNode())
+
+	if n.Alt {
+		v.printIndent(v.indent)
+		v.print("Alt: true,\n")
+	}
 }
 
 func (v *Dump) StmtThrow(n *ast.StmtThrow) {

pkg/ast/visitor/filter_parser_nodes.go

@@ -13,26 +13,6 @@ func (v *FilterParserNodes) EnterNode(n ast.Vertex) bool {
 	return true
 }
 
-func (v *FilterParserNodes) StmtSwitch(n *ast.StmtSwitch) {
-	for {
-		if nn, ok := n.Cond.(*ast.ParserBrackets); ok {
-			n.Cond = nn.Child
-		} else {
-			break
-		}
-	}
-}
-
-func (v *FilterParserNodes) StmtAltSwitch(n *ast.StmtAltSwitch) {
-	for {
-		if nn, ok := n.Cond.(*ast.ParserBrackets); ok {
-			n.Cond = nn.Child
-		} else {
-			break
-		}
-	}
-}
-
 func (v *FilterParserNodes) ExprExit(n *ast.ExprExit) {
 	for {
 		if nn, ok := n.Expr.(*ast.ParserBrackets); ok {

pkg/ast/visitor/filter_tokens.go

@@ -141,3 +141,25 @@ func (v *FilterTokens) StmtFor(n *ast.StmtFor) {
 	n.EndForTkn = nil
 	n.SemiColonTkn = nil
 }
+
+func (v *FilterTokens) StmtSwitch(n *ast.StmtSwitch) {
+	n.SwitchTkn = nil
+	n.OpenParenthesisTkn = nil
+	n.CloseParenthesisTkn = nil
+	n.OpenCurlyBracketTkn = nil
+	n.CaseSeparatorTkn = nil
+	n.ColonTkn = nil
+	n.CloseCurlyBracketTkn = nil
+	n.EndSwitchTkn = nil
+	n.SemiColonTkn = nil
+}
+
+func (v *FilterTokens) StmtCase(n *ast.StmtCase) {
+	n.CaseTkn = nil
+	n.CaseSeparatorTkn = nil
+}
+
+func (v *FilterTokens) StmtDefault(n *ast.StmtDefault) {
+	n.DefaultTkn = nil
+	n.CaseSeparatorTkn = nil
+}

pkg/ast/visitor/null.go

@@ -58,10 +58,6 @@ func (v *Null) StmtAltForeach(_ *ast.StmtAltForeach) {
 	// do nothing
 }
 
-func (v *Null) StmtAltSwitch(_ *ast.StmtAltSwitch) {
-	// do nothing
-}
-
 func (v *Null) StmtBreak(_ *ast.StmtBreak) {
 	// do nothing
 }
@@ -70,10 +66,6 @@ func (v *Null) StmtCase(_ *ast.StmtCase) {
 	// do nothing
 }
 
-func (v *Null) StmtCaseList(_ *ast.StmtCaseList) {
-	// do nothing
-}
-
 func (v *Null) StmtCatch(_ *ast.StmtCatch) {
 	// do nothing
 }

pkg/printer/pretty_printer.go

@@ -299,8 +299,6 @@ func (p *PrettyPrinter) printNode(n ast.Vertex) {
 
 	case *ast.StmtAltForeach:
 		p.printStmtAltForeach(n)
-	case *ast.StmtAltSwitch:
-		p.printStmtAltSwitch(n)
 	case *ast.StmtBreak:
 		p.printStmtBreak(n)
 	case *ast.StmtCase:
@@ -1412,21 +1410,6 @@ func (p *PrettyPrinter) printStmtAltIf(n ast.Vertex) {
 	io.WriteString(p.w, "endif;")
 }
 
-func (p *PrettyPrinter) printStmtAltSwitch(n ast.Vertex) {
-	nn := n.(*ast.StmtAltSwitch)
-
-	io.WriteString(p.w, "switch (")
-	p.Print(nn.Cond)
-	io.WriteString(p.w, ") :\n")
-
-	s := nn.CaseList.Cases
-	p.printNodes(s)
-
-	io.WriteString(p.w, "\n")
-	p.printIndent()
-	io.WriteString(p.w, "endswitch;")
-}
-
 func (p *PrettyPrinter) printStmtBreak(n ast.Vertex) {
 	nn := n.(*ast.StmtBreak)
 
@@ -2005,17 +1988,37 @@ func (p *PrettyPrinter) printStmtStmtList(n ast.Vertex) {
 func (p *PrettyPrinter) printStmtSwitch(n ast.Vertex) {
 	nn := n.(*ast.StmtSwitch)
 
+	if nn.Alt {
+		p.printStmtAltSwitch(n)
+		return
+	}
+
 	io.WriteString(p.w, "switch (")
 	p.Print(nn.Cond)
 	io.WriteString(p.w, ")")
 
 	io.WriteString(p.w, " {\n")
-	p.printNodes(nn.CaseList.Cases)
+	p.printNodes(nn.CaseList)
 	io.WriteString(p.w, "\n")
 	p.printIndent()
 	io.WriteString(p.w, "}")
 }
 
+func (p *PrettyPrinter) printStmtAltSwitch(n ast.Vertex) {
+	nn := n.(*ast.StmtSwitch)
+
+	io.WriteString(p.w, "switch (")
+	p.Print(nn.Cond)
+	io.WriteString(p.w, ") :\n")
+
+	s := nn.CaseList
+	p.printNodes(s)
+
+	io.WriteString(p.w, "\n")
+	p.printIndent()
+	io.WriteString(p.w, "endswitch;")
+}
+
 func (p *PrettyPrinter) printStmtThrow(n ast.Vertex) {
 	nn := n.(*ast.StmtThrow)
 

pkg/printer/pretty_printer_test.go

@@ -2300,21 +2300,20 @@ func TestPrintStmtAltSwitch(t *testing.T) {
 	p := printer.NewPrettyPrinter(o, "    ")
 	p.Print(&ast.StmtNamespace{
 		Stmts: []ast.Vertex{
-			&ast.StmtAltSwitch{
+			&ast.StmtSwitch{
+				Alt:  true,
 				Cond: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("var")}},
-				CaseList: &ast.StmtCaseList{
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
-							Cond: &ast.ScalarString{Value: []byte("'a'")},
-							Stmts: []ast.Vertex{
-								&ast.StmtExpression{Expr: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("a")}}},
-							},
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Cond: &ast.ScalarString{Value: []byte("'a'")},
+						Stmts: []ast.Vertex{
+							&ast.StmtExpression{Expr: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("a")}}},
 						},
-						&ast.StmtCase{
-							Cond: &ast.ScalarString{Value: []byte("'b'")},
-							Stmts: []ast.Vertex{
-								&ast.StmtExpression{Expr: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("b")}}},
-							},
+					},
+					&ast.StmtCase{
+						Cond: &ast.ScalarString{Value: []byte("'b'")},
+						Stmts: []ast.Vertex{
+							&ast.StmtExpression{Expr: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("b")}}},
 						},
 					},
 				},
@@ -3682,19 +3681,17 @@ func TestPrintStmtSwitch(t *testing.T) {
 		Stmts: []ast.Vertex{
 			&ast.StmtSwitch{
 				Cond: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("var")}},
-				CaseList: &ast.StmtCaseList{
-					Cases: []ast.Vertex{
-						&ast.StmtCase{
-							Cond: &ast.ScalarString{Value: []byte("'a'")},
-							Stmts: []ast.Vertex{
-								&ast.StmtExpression{Expr: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("a")}}},
-							},
+				CaseList: []ast.Vertex{
+					&ast.StmtCase{
+						Cond: &ast.ScalarString{Value: []byte("'a'")},
+						Stmts: []ast.Vertex{
+							&ast.StmtExpression{Expr: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("a")}}},
 						},
-						&ast.StmtCase{
-							Cond: &ast.ScalarString{Value: []byte("'b'")},
-							Stmts: []ast.Vertex{
-								&ast.StmtExpression{Expr: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("b")}}},
-							},
+					},
+					&ast.StmtCase{
+						Cond: &ast.ScalarString{Value: []byte("'b'")},
+						Stmts: []ast.Vertex{
+							&ast.StmtExpression{Expr: &ast.ExprVariable{VarName: &ast.Identifier{Value: []byte("b")}}},
 						},
 					},
 				},

pkg/printer/printer.go

@@ -361,8 +361,6 @@ func (p *Printer) printNode(n ast.Vertex) {
 
 	case *ast.StmtAltForeach:
 		p.printStmtAltForeach(n)
-	case *ast.StmtAltSwitch:
-		p.printStmtAltSwitch(n)
 	case *ast.StmtBreak:
 		p.printStmtBreak(n)
 	case *ast.StmtCase:
@@ -2019,41 +2017,6 @@ func (p *Printer) printStmtAltForeach(n ast.Vertex) {
 	p.printFreeFloating(nn, token.End)
 }
 
-func (p *Printer) printStmtAltSwitch(n ast.Vertex) {
-	nn := n.(*ast.StmtAltSwitch)
-	p.printFreeFloating(nn, token.Start)
-
-	io.WriteString(p.w, "switch")
-
-	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, ")")
-	}
-
-	p.printFreeFloating(nn, token.Cond)
-	io.WriteString(p.w, ":")
-
-	p.printFreeFloating(nn.CaseList, token.Start)
-	p.printFreeFloating(nn.CaseList, token.CaseListStart)
-	p.printNodes(nn.CaseList.Cases)
-	p.printFreeFloating(nn.CaseList, token.CaseListEnd)
-	p.printFreeFloating(nn.CaseList, token.End)
-
-	io.WriteString(p.w, "endswitch")
-	p.printFreeFloating(nn, token.AltEnd)
-	p.printFreeFloating(nn, token.SemiColon)
-	if nn.GetNode().Tokens.IsEmpty() {
-		io.WriteString(p.w, ";")
-	}
-
-	p.printFreeFloating(nn, token.End)
-}
-
 func (p *Printer) printStmtBreak(n ast.Vertex) {
 	nn := n.(*ast.StmtBreak)
 	p.printFreeFloating(nn, token.Start)
@@ -2075,26 +2038,12 @@ func (p *Printer) printStmtBreak(n ast.Vertex) {
 	p.printFreeFloating(nn, token.End)
 }
 
-func (p *Printer) printStmtCase(n ast.Vertex) {
-	nn := n.(*ast.StmtCase)
-	p.printFreeFloating(nn, token.Start)
-
-	io.WriteString(p.w, "case")
-	if nn.Cond.GetNode().Tokens.IsEmpty() {
-		io.WriteString(p.w, " ")
-	}
-	p.Print(nn.Cond)
-	p.printFreeFloating(nn, token.Expr)
-	p.printFreeFloating(nn, token.CaseSeparator)
-	if nn.GetNode().Tokens.IsEmpty() {
-		io.WriteString(p.w, ":")
-	}
-
-	if len(nn.Stmts) > 0 {
-		p.printNodes(nn.Stmts)
-	}
-
-	p.printFreeFloating(nn, token.End)
+func (p *Printer) printStmtCase(n *ast.StmtCase) {
+	p.printToken(n.CaseTkn, "case")
+	p.bufStart = " "
+	p.Print(n.Cond)
+	p.printToken(n.CaseSeparatorTkn, ":")
+	p.printNodes(n.Stmts)
 }
 
 func (p *Printer) printStmtCatch(n ast.Vertex) {
@@ -2308,22 +2257,10 @@ func (p *Printer) printStmtDeclare(n ast.Vertex) {
 	p.printFreeFloating(nn, token.End)
 }
 
-func (p *Printer) printStmtDefault(n ast.Vertex) {
-	nn := n.(*ast.StmtDefault)
-	p.printFreeFloating(nn, token.Start)
-
-	io.WriteString(p.w, "default")
-	p.printFreeFloating(nn, token.Default)
-	p.printFreeFloating(nn, token.CaseSeparator)
-	if nn.GetNode().Tokens.IsEmpty() {
-		io.WriteString(p.w, ":")
-	}
-
-	if len(nn.Stmts) > 0 {
-		p.printNodes(nn.Stmts)
-	}
-
-	p.printFreeFloating(nn, token.End)
+func (p *Printer) printStmtDefault(n *ast.StmtDefault) {
+	p.printToken(n.DefaultTkn, "default")
+	p.printToken(n.CaseSeparatorTkn, ":")
+	p.printNodes(n.Stmts)
 }
 
 func (p *Printer) printStmtDo(n *ast.StmtDo) {
@@ -2828,31 +2765,32 @@ func (p *Printer) printStmtStmtList(n *ast.StmtStmtList) {
 	p.printToken(n.CloseCurlyBracket, "}")
 }
 
-func (p *Printer) printStmtSwitch(n ast.Vertex) {
-	nn := n.(*ast.StmtSwitch)
-	p.printFreeFloating(nn, token.Start)
-
-	io.WriteString(p.w, "switch")
-
-	if _, ok := nn.Cond.(*ast.ParserBrackets); !ok {
-		io.WriteString(p.w, "(")
+func (p *Printer) printStmtSwitch(n *ast.StmtSwitch) {
+	if n.Alt {
+		p.printStmtAltSwitch(n)
+		return
 	}
 
-	p.Print(nn.Cond)
+	p.printToken(n.SwitchTkn, "switch")
+	p.printToken(n.OpenParenthesisTkn, "(")
+	p.Print(n.Cond)
+	p.printToken(n.CloseParenthesisTkn, ")")
+	p.printToken(n.OpenCurlyBracketTkn, "{")
+	p.printToken(n.CaseSeparatorTkn, "")
+	p.printNodes(n.CaseList)
+	p.printToken(n.CloseCurlyBracketTkn, "}")
+}
 
-	if _, ok := nn.Cond.(*ast.ParserBrackets); !ok {
-		io.WriteString(p.w, ")")
-	}
-
-	p.printFreeFloating(nn.CaseList, token.Start)
-	io.WriteString(p.w, "{")
-	p.printFreeFloating(nn.CaseList, token.CaseListStart)
-	p.printNodes(nn.CaseList.Cases)
-	p.printFreeFloating(nn.CaseList, token.CaseListEnd)
-	io.WriteString(p.w, "}")
-	p.printFreeFloating(nn.CaseList, token.End)
-
-	p.printFreeFloating(nn, token.End)
+func (p *Printer) printStmtAltSwitch(n *ast.StmtSwitch) {
+	p.printToken(n.SwitchTkn, "switch")
+	p.printToken(n.OpenParenthesisTkn, "(")
+	p.Print(n.Cond)
+	p.printToken(n.CloseParenthesisTkn, ")")
+	p.printToken(n.ColonTkn, ":")
+	p.printToken(n.CaseSeparatorTkn, "")
+	p.printNodes(n.CaseList)
+	p.printToken(n.EndSwitchTkn, "endswitch")
+	p.printToken(n.SemiColonTkn, ";")
 }
 
 func (p *Printer) printStmtThrow(n ast.Vertex) {

pkg/printer/printer_parsed_php5_test.go

@@ -791,7 +791,8 @@ func TestParseAndPrintPhp5AltForeach(t *testing.T) {
 }
 
 func TestParseAndPrintPhp5AltSwitch(t *testing.T) {
-	src := `<?php
+	// TODO: remove ; after <?php
+	src := `<?php ;
 
 	switch ( $a ) : 
 	case 1 : 
@@ -1232,7 +1233,8 @@ func TestParseAndPrintPhp5StmtList(t *testing.T) {
 }
 
 func TestParseAndPrintPhp5Switch(t *testing.T) {
-	src := `<?php
+	// TODO: remove ; after <?php
+	src := `<?php ;
 
 	switch ( $a ) {
 		case 1 : ;

pkg/printer/printer_parsed_php7_test.go

@@ -904,7 +904,8 @@ func TestParseAndPrintAltForeach(t *testing.T) {
 }
 
 func TestParseAndPrintAltSwitch(t *testing.T) {
-	src := `<?php
+	// TODO: remove ; after <?php
+	src := `<?php ;
 
 	switch ( $a ) : 
 	case 1 : 
@@ -1365,7 +1366,8 @@ func TestParseAndPrintStmtList(t *testing.T) {
 }
 
 func TestParseAndPrintSwitch(t *testing.T) {
-	src := `<?php
+	// TODO: remove ; after <?php
+	src := `<?php ;
 
 	switch ( $a ) {
 		case 1 : ;

pkg/printer/printer_test.go

@@ -2778,27 +2778,26 @@ func TestPrinterPrintStmtAltSwitch(t *testing.T) {
 	o := bytes.NewBufferString("")
 
 	p := printer.NewPrinter(o)
-	p.Print(&ast.StmtAltSwitch{
+	p.Print(&ast.StmtSwitch{
 		Cond: &ast.ExprVariable{
 			VarName: &ast.Identifier{Value: []byte("$var")},
 		},
-		CaseList: &ast.StmtCaseList{
-			Cases: []ast.Vertex{
-				&ast.StmtCase{
-					Cond: &ast.ScalarString{Value: []byte("'a'")},
-					Stmts: []ast.Vertex{
-						&ast.StmtExpression{Expr: &ast.ExprVariable{
-							VarName: &ast.Identifier{Value: []byte("$a")},
-						}},
-					},
+		Alt: true,
+		CaseList: []ast.Vertex{
+			&ast.StmtCase{
+				Cond: &ast.ScalarString{Value: []byte("'a'")},
+				Stmts: []ast.Vertex{
+					&ast.StmtExpression{Expr: &ast.ExprVariable{
+						VarName: &ast.Identifier{Value: []byte("$a")},
+					}},
 				},
-				&ast.StmtCase{
-					Cond: &ast.ScalarString{Value: []byte("'b'")},
-					Stmts: []ast.Vertex{
-						&ast.StmtExpression{Expr: &ast.ExprVariable{
-							VarName: &ast.Identifier{Value: []byte("$b")},
-						}},
-					},
+			},
+			&ast.StmtCase{
+				Cond: &ast.ScalarString{Value: []byte("'b'")},
+				Stmts: []ast.Vertex{
+					&ast.StmtExpression{Expr: &ast.ExprVariable{
+						VarName: &ast.Identifier{Value: []byte("$b")},
+					}},
 				},
 			},
 		},
@@ -4103,23 +4102,21 @@ func TestPrinterPrintStmtSwitch(t *testing.T) {
 		Cond: &ast.ExprVariable{
 			VarName: &ast.Identifier{Value: []byte("$var")},
 		},
-		CaseList: &ast.StmtCaseList{
-			Cases: []ast.Vertex{
-				&ast.StmtCase{
-					Cond: &ast.ScalarString{Value: []byte("'a'")},
-					Stmts: []ast.Vertex{
-						&ast.StmtExpression{Expr: &ast.ExprVariable{
-							VarName: &ast.Identifier{Value: []byte("$a")},
-						}},
-					},
+		CaseList: []ast.Vertex{
+			&ast.StmtCase{
+				Cond: &ast.ScalarString{Value: []byte("'a'")},
+				Stmts: []ast.Vertex{
+					&ast.StmtExpression{Expr: &ast.ExprVariable{
+						VarName: &ast.Identifier{Value: []byte("$a")},
+					}},
 				},
-				&ast.StmtCase{
-					Cond: &ast.ScalarString{Value: []byte("'b'")},
-					Stmts: []ast.Vertex{
-						&ast.StmtExpression{Expr: &ast.ExprVariable{
-							VarName: &ast.Identifier{Value: []byte("$b")},
-						}},
-					},
+			},
+			&ast.StmtCase{
+				Cond: &ast.ScalarString{Value: []byte("'b'")},
+				Stmts: []ast.Vertex{
+					&ast.StmtExpression{Expr: &ast.ExprVariable{
+						VarName: &ast.Identifier{Value: []byte("$b")},
+					}},
 				},
 			},
 		},