php8.2: added readonly classes support (#26)

internal/php8/parser_php8_2_test.go

@@ -0,0 +1,101 @@
+package php8_test
+
+import (
+	"testing"
+
+	"github.com/VKCOM/php-parser/internal/tester"
+)
+
+func TestClassReadonlyModifier(t *testing.T) {
+	suite := tester.NewParserDumpTestSuite(t)
+	suite.UsePHP8()
+	suite.Code = `<?php
+readonly class Foo {
+	public string $a;
+}
+
+final readonly class Boo {
+	public string $a;
+}
+`
+
+	suite.Expected = `&ast.Root{
+	Stmts: []ast.Vertex{
+		&ast.StmtClass{
+			Modifiers: []ast.Vertex{
+				&ast.Identifier{
+					Val: []byte("readonly"),
+				},
+			},
+			Name: &ast.Identifier{
+				Val: []byte("Foo"),
+			},
+			Stmts: []ast.Vertex{
+				&ast.StmtPropertyList{
+					Modifiers: []ast.Vertex{
+						&ast.Identifier{
+							Val: []byte("public"),
+						},
+					},
+					Type: &ast.Name{
+						Parts: []ast.Vertex{
+							&ast.NamePart{
+								Val: []byte("string"),
+							},
+						},
+					},
+					Props: []ast.Vertex{
+						&ast.StmtProperty{
+							Var: &ast.ExprVariable{
+								Name: &ast.Identifier{
+									Val: []byte("$a"),
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+		&ast.StmtClass{
+			Modifiers: []ast.Vertex{
+				&ast.Identifier{
+					Val: []byte("final"),
+				},
+				&ast.Identifier{
+					Val: []byte("readonly"),
+				},
+			},
+			Name: &ast.Identifier{
+				Val: []byte("Boo"),
+			},
+			Stmts: []ast.Vertex{
+				&ast.StmtPropertyList{
+					Modifiers: []ast.Vertex{
+						&ast.Identifier{
+							Val: []byte("public"),
+						},
+					},
+					Type: &ast.Name{
+						Parts: []ast.Vertex{
+							&ast.NamePart{
+								Val: []byte("string"),
+							},
+						},
+					},
+					Props: []ast.Vertex{
+						&ast.StmtProperty{
+							Var: &ast.ExprVariable{
+								Name: &ast.Identifier{
+									Val: []byte("$a"),
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+	},
+},`
+
+	suite.Run()
+}

internal/php8/php8.y

@@ -869,6 +869,7 @@ class_modifiers:
 class_modifier:
         T_ABSTRACT                     { $$ = yylex.(*Parser).builder.NewIdentifier($1) }
     |   T_FINAL                        { $$ = yylex.(*Parser).builder.NewIdentifier($1) }
+    |   T_READONLY                     { $$ = yylex.(*Parser).builder.NewIdentifier($1) }
 ;
 
 class_declaration_statement: