+//
+// Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v1.0 which accompanies this distribution,
+// and is available at http://www.eclipse.org/legal/epl-v10.html
+//
parser grammar YangParser;
@header {
string : STRING (PLUS STRING)*;
-identifier_stmt : IDENTIFIER string? stmtend;
-
+identifier_stmt : IDENTIFIER string? (stmtend | (LEFT_BRACE unknown_statement* RIGHT_BRACE));
+unknown_statement : (YIN_ELEMENT_KEYWORD | YANG_VERSION_KEYWORD | WHEN_KEYWORD | VALUE_KEYWORD | USES_KEYWORD | UNITS_KEYWORD | UNIQUE_KEYWORD |
+ TYPEDEF_KEYWORD | TYPE_KEYWORD | SUBMODULE_KEYWORD | RPC_KEYWORD | REVISION_DATE_KEYWORD | REVISION_KEYWORD |
+ REQUIRE_INSTANCE_KEYWORD | REFINE_KEYWORD | RANGE_KEYWORD | PRESENCE_KEYWORD | PREFIX_KEYWORD |
+ POSITION_KEYWORD | PATTERN_KEYWORD | PATH_KEYWORD | OUTPUT_KEYWORD | ORGANIZATION_KEYWORD| ORDERED_BY_KEYWORD | NOTIFICATION_KEYWORD|
+ NAMESPACE_KEYWORD | MUST_KEYWORD | MODULE_KEYWORD | MIN_ELEMENTS_KEYWORD | MAX_ELEMENTS_KEYWORD | MANDATORY_KEYWORD | LIST_KEYWORD |
+ LENGTH_KEYWORD | LEAF_LIST_KEYWORD | LEAF_KEYWORD | KEY_KEYWORD | INPUT_KEYWORD | INCLUDE_KEYWORD | IMPORT_KEYWORD | IF_FEATURE_KEYWORD |
+ IDENTITY_KEYWORD | GROUPING_KEYWORD | FRACTION_DIGITS_KEYWORD | FEATURE_KEYWORD | DEVIATE_KEYWORD | DEVIATION_KEYWORD | EXTENSION_KEYWORD |
+ ERROR_MESSAGE_KEYWORD | ERROR_APP_TAG_KEYWORD | ENUM_KEYWORD | DESCRIPTION_KEYWORD | STATUS_KEYWORD | DEFAULT_KEYWORD | CONTAINER_KEYWORD | CONTACT_KEYWORD |
+ CONFIG_KEYWORD | CHOICE_KEYWORD | CASE_KEYWORD | BIT_KEYWORD | BELONGS_TO_KEYWORD | BASE_KEYWORD | AUGMENT_KEYWORD |
+ ANYXML_KEYWORD | IDENTIFIER) string? (SEMICOLON | (LEFT_BRACE (unknown_statement | identifier_stmt)* RIGHT_BRACE)*);
+
stmtend : (SEMICOLON) | (LEFT_BRACE identifier_stmt? RIGHT_BRACE);
+
+/* DO NOT replace stmtsep in rest of grammar with identifier_stmt!!! It might seems as code duplicity here, but this one is necessary.
+ Body of identifier_stmt generated from this grammar in YangParserListener is implemented in YangParserListenerImpl.
+ To ensure that all of the identifier_stmts will be resolved correctly the YangParserListenerImpl contains code that handles
+ specifcly identifier_stmts -> i.e. transforms identifier_stmt into QName. The stmtsep is used for parsing extension statements
+ placed outside of body_stmt.
+ */
+stmtsep : IDENTIFIER string? (stmtend | (LEFT_BRACE unknown_statement* RIGHT_BRACE));
deviate_replace_stmt : DEVIATE_KEYWORD string /* REPLACE_KEYWORD */ (SEMICOLON | (LEFT_BRACE (identifier_stmt |type_stmt | units_stmt | default_stmt | config_stmt | mandatory_stmt | min_elements_stmt | max_elements_stmt )* RIGHT_BRACE));
deviate_delete_stmt : DEVIATE_KEYWORD string /* DELETE_KEYWORD */ (SEMICOLON | (LEFT_BRACE (identifier_stmt |units_stmt | must_stmt | unique_stmt | default_stmt )* RIGHT_BRACE));
deviate_add_stmt : DEVIATE_KEYWORD string /*ADD_KEYWORD*/ (SEMICOLON | (LEFT_BRACE (identifier_stmt |units_stmt | must_stmt | unique_stmt | default_stmt | config_stmt | mandatory_stmt | min_elements_stmt | max_elements_stmt )* RIGHT_BRACE));
deviate_not_supported_stmt : DEVIATE_KEYWORD string /*NOT_SUPPORTED_KEYWORD*/ (SEMICOLON | (LEFT_BRACE identifier_stmt? RIGHT_BRACE));
deviation_stmt : DEVIATION_KEYWORD string LEFT_BRACE (identifier_stmt |description_stmt | reference_stmt | deviate_not_supported_stmt | deviate_add_stmt | deviate_replace_stmt | deviate_delete_stmt)+ RIGHT_BRACE;
notification_stmt : NOTIFICATION_KEYWORD string (SEMICOLON | (LEFT_BRACE (identifier_stmt |if_feature_stmt | status_stmt | description_stmt | reference_stmt | typedef_stmt | grouping_stmt | data_def_stmt )* RIGHT_BRACE));
-output_stmt : OUTPUT_KEYWORD LEFT_BRACE (identifier_stmt |typedef_stmt | grouping_stmt | data_def_stmt )+ RIGHT_BRACE;
-input_stmt : INPUT_KEYWORD LEFT_BRACE (identifier_stmt |typedef_stmt | grouping_stmt | data_def_stmt )+ RIGHT_BRACE;
+output_stmt : OUTPUT_KEYWORD LEFT_BRACE (identifier_stmt |typedef_stmt | grouping_stmt | data_def_stmt )* RIGHT_BRACE;
+input_stmt : INPUT_KEYWORD LEFT_BRACE (identifier_stmt |typedef_stmt | grouping_stmt | data_def_stmt )* RIGHT_BRACE;
rpc_stmt : RPC_KEYWORD string (SEMICOLON | (LEFT_BRACE (identifier_stmt |if_feature_stmt | status_stmt | description_stmt | reference_stmt | typedef_stmt | grouping_stmt | input_stmt | output_stmt )* RIGHT_BRACE));
when_stmt : WHEN_KEYWORD string (SEMICOLON | (LEFT_BRACE (identifier_stmt |description_stmt | reference_stmt )* RIGHT_BRACE));
-augment_stmt : AUGMENT_KEYWORD string LEFT_BRACE (identifier_stmt |when_stmt | if_feature_stmt | status_stmt | description_stmt | reference_stmt | data_def_stmt | case_stmt)+ RIGHT_BRACE;
-uses_augment_stmt : AUGMENT_KEYWORD string LEFT_BRACE (identifier_stmt |when_stmt | if_feature_stmt | status_stmt | description_stmt | reference_stmt | data_def_stmt | case_stmt)+ RIGHT_BRACE;
+augment_stmt : AUGMENT_KEYWORD string LEFT_BRACE (identifier_stmt |when_stmt | if_feature_stmt | status_stmt | description_stmt | reference_stmt | data_def_stmt | case_stmt)* RIGHT_BRACE;
+uses_augment_stmt : AUGMENT_KEYWORD string LEFT_BRACE (identifier_stmt |when_stmt | if_feature_stmt | status_stmt | description_stmt | reference_stmt | data_def_stmt | case_stmt)* RIGHT_BRACE;
refine_anyxml_stmts : (identifier_stmt |must_stmt | config_stmt | mandatory_stmt | description_stmt | reference_stmt )*;
refine_case_stmts : (identifier_stmt |description_stmt | reference_stmt )*;
refine_choice_stmts : (identifier_stmt |default_stmt | config_stmt | mandatory_stmt | description_stmt | reference_stmt )*;
choice_stmt : CHOICE_KEYWORD string (SEMICOLON | (LEFT_BRACE (identifier_stmt |when_stmt | if_feature_stmt | default_stmt | config_stmt | mandatory_stmt | status_stmt | description_stmt | reference_stmt | short_case_stmt | case_stmt)* RIGHT_BRACE));
unique_stmt : UNIQUE_KEYWORD string stmtend;
key_stmt : KEY_KEYWORD string stmtend;
-list_stmt : LIST_KEYWORD string LEFT_BRACE (identifier_stmt |when_stmt | if_feature_stmt | must_stmt | key_stmt | unique_stmt | config_stmt | min_elements_stmt | max_elements_stmt | ordered_by_stmt | status_stmt | description_stmt | reference_stmt | typedef_stmt | grouping_stmt | data_def_stmt )* RIGHT_BRACE;
+list_stmt : LIST_KEYWORD string LEFT_BRACE (when_stmt | if_feature_stmt | must_stmt | key_stmt | unique_stmt | config_stmt | min_elements_stmt | max_elements_stmt | ordered_by_stmt | status_stmt | description_stmt | reference_stmt | typedef_stmt | grouping_stmt | data_def_stmt | identifier_stmt)* RIGHT_BRACE;
leaf_list_stmt : LEAF_LIST_KEYWORD string LEFT_BRACE (identifier_stmt |when_stmt | if_feature_stmt | type_stmt | units_stmt | must_stmt | config_stmt | min_elements_stmt | max_elements_stmt | ordered_by_stmt | status_stmt | description_stmt | reference_stmt )* RIGHT_BRACE;
leaf_stmt : LEAF_KEYWORD string LEFT_BRACE (identifier_stmt |when_stmt | if_feature_stmt | type_stmt | units_stmt | must_stmt | default_stmt | config_stmt | mandatory_stmt | status_stmt | description_stmt | reference_stmt )* RIGHT_BRACE;
-container_stmt : CONTAINER_KEYWORD string (SEMICOLON | (LEFT_BRACE (identifier_stmt | when_stmt | if_feature_stmt | must_stmt | presence_stmt | config_stmt | status_stmt | description_stmt | reference_stmt | typedef_stmt | grouping_stmt | data_def_stmt )* RIGHT_BRACE));
-grouping_stmt : GROUPING_KEYWORD string (SEMICOLON | (LEFT_BRACE (identifier_stmt |status_stmt | description_stmt | reference_stmt | typedef_stmt | grouping_stmt | data_def_stmt )* RIGHT_BRACE));
+container_stmt : CONTAINER_KEYWORD string (SEMICOLON | (LEFT_BRACE (when_stmt | if_feature_stmt | must_stmt | presence_stmt | config_stmt | status_stmt | description_stmt | reference_stmt | typedef_stmt | grouping_stmt | data_def_stmt | identifier_stmt)* RIGHT_BRACE));
+grouping_stmt : GROUPING_KEYWORD string (SEMICOLON | (LEFT_BRACE (status_stmt | description_stmt | reference_stmt | typedef_stmt | grouping_stmt | data_def_stmt | identifier_stmt)* RIGHT_BRACE));
value_stmt : VALUE_KEYWORD string stmtend;
max_value_arg : /*UNBOUNDED_KEYWORD |*/ string;
min_value_arg : /*UNBOUNDED_KEYWORD |*/ string;
position_stmt : POSITION_KEYWORD string stmtend;
bit_stmt : BIT_KEYWORD string (SEMICOLON | (LEFT_BRACE (identifier_stmt |position_stmt | status_stmt | description_stmt | reference_stmt )* RIGHT_BRACE));
bits_specification : bit_stmt (bit_stmt | identifier_stmt)*;
-union_specification : type_stmt (identifier_stmt | type_stmt )+;
+union_specification : type_stmt (identifier_stmt | type_stmt )*;
identityref_specification : base_stmt ;
instance_identifier_specification : (require_instance_stmt )?;
require_instance_arg :string; // TRUE_KEYWORD | FALSE_KEYWORD;
identity_stmt : IDENTITY_KEYWORD string (SEMICOLON | (LEFT_BRACE (identifier_stmt | base_stmt | status_stmt | description_stmt | reference_stmt )* RIGHT_BRACE));
yin_element_arg : string; // TRUE_KEYWORD | FALSE_KEYWORD;
yin_element_stmt : YIN_ELEMENT_KEYWORD yin_element_arg stmtend;
-argument_stmt : ARGUMENT_KEYWORD string (SEMICOLON | (LEFT_BRACE (identifier_stmt)? (yin_element_stmt )? (identifier_stmt)* RIGHT_BRACE));
-extension_stmt : EXTENSION_KEYWORD string (SEMICOLON | (LEFT_BRACE (identifier_stmt | argument_stmt | status_stmt | description_stmt | reference_stmt )* RIGHT_BRACE));
+argument_stmt : ARGUMENT_KEYWORD string (SEMICOLON | (LEFT_BRACE identifier_stmt* yin_element_stmt? identifier_stmt* RIGHT_BRACE));
+extension_stmt : EXTENSION_KEYWORD string (SEMICOLON | (LEFT_BRACE (argument_stmt | status_stmt | description_stmt | reference_stmt | unknown_statement)* RIGHT_BRACE));
revision_date_stmt : REVISION_DATE_KEYWORD string stmtend;
revision_stmt : REVISION_KEYWORD string (SEMICOLON | (LEFT_BRACE (description_stmt )? (reference_stmt )? RIGHT_BRACE));
units_stmt : UNITS_KEYWORD string stmtend;
yang_version_stmt : YANG_VERSION_KEYWORD string stmtend;
data_def_stmt : container_stmt | leaf_stmt | leaf_list_stmt | list_stmt | choice_stmt | anyxml_stmt | uses_stmt;
body_stmts : (( identifier_stmt| extension_stmt | feature_stmt | identity_stmt | typedef_stmt | grouping_stmt | data_def_stmt | augment_stmt | rpc_stmt | notification_stmt | deviation_stmt) )*;
-revision_stmts : (revision_stmt )*;
-linkage_stmts : (import_stmt | include_stmt )*;
-meta_stmts : (organization_stmt | contact_stmt | description_stmt | reference_stmt )*;
-submodule_header_stmts : (yang_version_stmt | belongs_to_stmt)+ ;
-module_header_stmts : (yang_version_stmt | namespace_stmt | prefix_stmt)+ ;
-submodule_stmt : SUBMODULE_KEYWORD string LEFT_BRACE submodule_header_stmts linkage_stmts meta_stmts revision_stmts body_stmts RIGHT_BRACE;
-module_stmt : MODULE_KEYWORD string LEFT_BRACE module_header_stmts linkage_stmts meta_stmts revision_stmts body_stmts RIGHT_BRACE;
+revision_stmts : (revision_stmt | stmtsep)*;
+linkage_stmts : (import_stmt stmtsep* | include_stmt stmtsep*)*;
+meta_stmts : (organization_stmt stmtsep* | contact_stmt stmtsep* | description_stmt stmtsep* | reference_stmt stmtsep*)*;
+submodule_header_stmts : (yang_version_stmt stmtsep* | belongs_to_stmt stmtsep*)+ ;
+module_header_stmts : (yang_version_stmt stmtsep* | namespace_stmt stmtsep* | prefix_stmt stmtsep*)+ ;
+submodule_stmt : SUBMODULE_KEYWORD string LEFT_BRACE stmtsep* submodule_header_stmts linkage_stmts meta_stmts revision_stmts body_stmts RIGHT_BRACE;
+module_stmt : MODULE_KEYWORD string LEFT_BRACE stmtsep* module_header_stmts linkage_stmts meta_stmts revision_stmts body_stmts RIGHT_BRACE;
\ No newline at end of file
Code Review / yangtools.git / blobdiff