# Changelog All notable changes to the COBOL Language Support extension are documented in this file. ## [2.5.1](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.5.0...2.5.1) (2026-06-30) #### Changed - Readme update - Miscellaneous bug fixes ## [2.5.0](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.4.3...2.5.0) (2026-05-26) #### Fixed - Allow fullselect as an option after db2 IN keyword - Allow PARAGRAPH as a variable name - Allow SQL expressions prior to db2 LIKE keyword - Apply REPLACE statements after evaluating COPY statements - Relax ordering requirements on FETCH FIRST in ROWS and other clauses - UTF8 PIC clauses not recognized as alphanumeric - Fix wrong redirection of procedures in control flow graph - Miscellaneous bug fixes #### Changed - Remote copybooks are now opened directly in Zowe Explorer rather than being downloaded to the workspace - Readme update and redesign - Improve replacing performance #### Added - Synchronous copybook resolution - Zowe request throttling - Unused variables diagnostics support - Support copybooks in TAR files - Support British Pound sign - Add hover information to paragraphs - Allow to specify Java location - Bulk copybook prefetching - Introduce setting that enables use of comma as a decimal marker in SQL statements ## [2.4.3](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.4.2...2.4.3) (2025-07-23) #### Changed - Readme update ## [2.4.2](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.4.1...2.4.2) (2025-07-23) #### Changed - Readme update ## [2.4.1](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.4.0...2.4.1) (2025-07-02) #### Added - Added more COBOL code snippets - Added missing keywords - Enable remote copybook definitions in processor groups and preprocessor definitions - Filter diagnostics based on settings #### Fixed - Code optimization - CICS bug fixes - Propagate replace to the nested copybooks - Find references and Go to definition from copybooks - Miscellaneous bug fixes #### Changed - Readme update ## [2.4.0](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.3.0...2.4.0) (2025-02-25) #### Added - Better support for repository paragraph - Support for User-defined-functions - Support for additional CICS commands #### Fixed - Code optimization - Grammar optimization - CICS bug fixes - Miscellaneous bug fixes #### Changed - Readme update ## [2.3.0](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.2.0...2.3.0) (2024-10-24) #### Fixed - Parser optimization - Grammar optimization - Miscellaneous bug fixes ## [2.2.0](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.1.2...2.2.0) (2024-08-19) #### Added - Integration with Explorer for Endevor to enable automatic copybook retrieval from Endevor - Support for shared drive URI resolution - Command to run analysis via VS Code command - Support for result set locator DB2 SQL host variable - Support for table locator DB2 SQL host variable - Support for XML file reference DB2 SQL host variable - Support Binary DB2 SQL host variables and variable arrays #### Fixed - Miscellaneous bug fixes - Support floating comments in the toggle command - Improve support for CCF #### Changed - Move copybook download folder into global storage ## [2.1.2](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.1.1...2.2.0) (2024-04-03) #### Added - Support EXCI command in CICS #### Fixed - Miscellaneous bug fixes - Fix folding for evaluate block - Fix folding when IfNode has a copynode child - Update CICS delay statement ## [2.1.1](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.1.0...2.1.1) (2024-01-30) #### Added - Support for CICS INQUIRE URIMAP statement #### Fixed - Miscellaneous bug fixes - Fix new tab for COBOL code in Explorer for Endevor #### Changed - Folding support added to conditional statements ## [2.1.0](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.0.3...2.1.0) (2023-12-20) #### Fixed - Db2 grammar update - Miscellaneous bug fixes #### Changed - Include Db2 keywords in the SQL coloring ## [2.0.3](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.0.2...2.0.3) (2023-09-20) #### Fixed - Db2 grammar update - Miscellaneous bug fixes ## [2.0.2](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.0.1...2.0.2) (2023-08-15) #### Added - Log Server messages to VS Code output panel #### Changed - Show diagnostic only for opened documents - Readme update #### Fixed - Miscellaneous bug fixes ## [2.0.1](https://github.com/eclipse-che4z/che-che4z-lsp-for-cobol/compare/2.0.0...2.0.1) (2023-06-29) #### Fixed - Miscellaneous bug fixes ## [2.0.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/1.2.1...2.0.0) (2023-06-02) #### Added - Support for processor groups - User-defined dialect order in processor groups - SQL backend can be specified in processor groups - Support for JSON syntax in the grammar #### Changed - Internal dialect support replaced by dialect add-on extensions - Readme update #### Fixed - Miscellaneous bug fixes ## [1.2.1](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/1.2.0...1.2.1) (2023-03-08) #### Fixed - Fix fatal java exception when editing a new file. ## [1.2.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/1.1.1...1.2.0) (2023-02-02) #### Added - Support platform binary for darwin-arm64, darwin-x64, linux-arm64, linux-x64, win32-arm64 and win32-x64. #### Changed - Preserve alignment while using multiselect smart tab - An empty string as a default for copybook extensions - Create .c4z only when it is needed - Readme update #### Fixed - Miscellaneous bug fixes - Discovery of dialects on Windows ## [1.1.1](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/1.1.0...1.1.1) (2022-12-07) #### Added - Support for miscellaneous COBOL statements - Automatic COBOL detection improvement - Support of Glob wildcards in copybook path #### Fixed - Miscellaneous fixes for CCF support - Ambiguous reference for paragraphs ## [1.1.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/1.0.2...1.1.0) (2022-11-03) #### Added - Support for nested IDMS copybooks - Custom copybook file extension setting - Configurable CICS translator - Support for custom smart tab settings #### Changed - Language ID changed from uppercase "COBOL" to lowercase "cobol" - "COBOL Copybook" language ID removed - Readme update #### Fixed - Added COBOL 85 and modernization demo test suits including many bug fixes - Miscellaneous bug fixes - For the full list of changes, see the [full changelog](https://github.com/eclipse/che-che4z-lsp-for-cobol/blob/v1.1.0/CHANGELOG.md) ## [1.0.2](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/1.0.1...1.0.2) (2022-06-29) #### Fixed - Telemetry fix #### Changed - Readme update ## [1.0.1](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/1.0.0...1.0.1) (2022-04-05) #### Fixed * Provide default features list when no features are set in settings ## [1.0.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.21.0...1.0.0) (2022-03-31) #### Added * Support for .copy copybook extension * Option to download Zowe Explorer * USS file download for copybooks * Setting to define encoding for USS files * Ability to enable/disable analysis features * Enable/disable dialects functionality * Ability for commenting lines * Snippets for IDMS * Adjusting of level numbers in COPY IDMS copybooks * Compiler directives for COBOL 6.3 * Support for ++INCLUDE statement for copybooks * Showing local copybook names in autocompletion suggestion list * Paths for different types of copybooks * Variables for the path in the settings #### Changed * Removed unnecessary requests to Zowe * Removed technical and confusing tokens from error messages * Proper error message for copybook downloading issues * Period is made optional after END-IF #### Fixed * Quoted string replacement * Tab key behavior for suggestions * Server freeze on EXEC statement * Resolving SQLCA from workspace * IDMS entity length error locations * Copybook definition lookup * Redefining when data names have the same level * Downloading copybook even with IBM Z Open Editor ## [0.21.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.20.0...0.21.0) (2021-09-09) #### Added Support for FD and SD definitions #### Changed Optimization of language engine and other performance improvements #### Fixed Coloring for floating comments Parsing keywords as variables in complicated sentences Incorrect error messages on EXEC-CICS and END-PERFORM statement clauses Many cases of server freeze ## [0.20.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.19.1...0.20.0) (2021-07-22) #### Added * Resolving copybooks with COPY IDMS * Support for COPY MAID statement * Semantic analysis for variables in IDMS statements * Description on hover for condition names (88-level variables) * Maintaining of string length while copybook replacing #### Changed * Semicolons allowed as statement terminators #### Fixed * TOP allowed as a valid variable name * Failure of syntax analysis with misplaced indicators ## [0.19.1](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.19.0...0.19.1) (2021-06-25) #### Changed * Error message for invalid variable definition * Analysis exceptions propagated to Extended API responses #### Fixed * IDMS statements in conditional blocks * Access to undefined element if there is no workspace open * Error on multiline optional paragraphs * Hover for group items * Error when loading copybooks with one-byte national encoding ## [0.19.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.18.0...0.19.0) (2021-06-10) #### Added * Expanded support for IDMS DML commands * IDMS DML keyword descriptions * Validation of variable types on some statements * Custom TAB button functionality * Support for compiler directives * Support for REDEFINES clause * "Go to definition" support for SQL hosted variables * Integration with COBOL Control Flow extension * Global variable support * Support for Datacom SQLDA and SQLCA implicit fields #### Changed * Variable definition shown as documentation * Analysis works regardless of file extension * Readme update #### Fixed * Compiler options syntax analysis * Performance issues * Color scheme issues * Variable REDEFINES clause bugs * Parsing of nested programs * Replacement when replacing or replaced text contains "BY" * Incorrect processing of URIs provided by Explorer for Endevor * Incorrect descriptions for some tokens * Issue with two COPY REPLACING statements in a row ## [0.18.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.17.1...0.18.0) (2021-03-12) #### Added * Support for copybooks outside the current workspace * IDMS DML support for DB statements * Support for IDMS DML commands #### Changed * Hover over variable shows its hierarchy definition * Readme update ## [0.17.1](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.17.0...0.17.1) (2021-02-10) #### Added * COPY IDMS Support #### Fixed * False-positive syntax error on SQL keywords used as variables ## [0.17.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.16.1...0.17.0) (2021-02-02) #### Added * Syntax analysis for DB2 SQL statements * Support for DB2 SQL build-in-function keywords * IDMS DML support for IDMS-CONTROL, SCHEMA and MAP sections * Support for five additional IDMS DML commands * Mnemonic name definition support #### Changed * Remove prepopulation of settings.json with empty parameters for copybook support * Java 8 support * Readme update #### Fixed * Improve semantic analysis for variables * Improve heirarchical variable search * Semantic analysis stop after XML query * Semantic error on structure calls * MAPFAIL semantic error in HANDLE-CONDITION * Variable recognition fail on ambiguity ## [0.16.1](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.16.0...0.16.1) (2020-12-04) #### Fixed * Analysis termination on handled client exceptions * A syntax error on HANDLE AID CLEAR() #### Changed * Readme update ## [0.16.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.15.0...0.16.0) (2020-11-27) #### Added * Support for subroutines * Support for INCLUDE in EXEC SQL for copybooks * Language features support for sections and predefined variables * Index variable definition support * Code snippets for EXEC SQL INCLUDE and EXEC CICS * JNIENVPTR, JSON and XML special register support * Setting log level for the server from the client #### Changed * Deprecated sections support removed * "Unsupported file" notification moved into "Problems" console * Semantic analysis for paragraphs improved * Copybook coloring might work without syntax analysis * Document analysis interrupts on closing request * Readme update #### Fixed * Analysis termination on a client exception * Exception logging after analysis * Exposing semantic errors from copybooks to the document * Table call variable recognition * Many false-positive syntax errors ## [0.15.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.14.0...0.15.0) (2020-09-30) #### Added - Syntax analysis for CICS statements - Telemetry event recording - CICS variable support #### Changed - Showing missing copybook status only on demand - Copybook downloading queue locked in case of wrong mainframe credentials #### Fixed - False-positive spell check for variable names - Coloring for CICS statements ## [0.14.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.13.0...0.14.0) (2020-09-10) #### Added - Outline view support - Breadcrumb support - Support for COBOL code snippets - Copy statement that contains a syntax error underlined #### Fixed - Multi-line errors underscoring - Typo in DIVIDE-REMAINDER code snippets removed - Program ID with quotes checking - Incorrect indicator area error message - Syntax analysis termination with unexpected copy statements ## [0.13.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.12.0...0.13.0) (2020-08-18) #### Added - Syntax coloring - Support for the A and B margin areas - Support for REPLACING in COPY statements - Syntax analysis for copybooks #### Changed - Disabled copybook analysis for files in the extended source folder - Entire incorrect variable structure underlined - 'Go to Definition' for copybook names now opens the file - Migration from Java 8 to Java 11 - Readme update #### Fixed - Closed documents no longer still show errors - Keywords allowed as copybook names - Technical tokens removed from completion suggestion for keywords ## [0.12.0](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.11.1...0.12.0) (2020-07-07) #### Added - Support for local copybooks #### Changed - Adjust the info message about missing copybooks - Reduce the number of error/informational messages - Inform user about wrong credentials and stop sending other MF requests - Copybooks downloaded from the mainframe are now downloaded to /.c4z/.copybooks in the workspace - Settings parameter for DSN paths changed - Updates to README #### Fixed - Create a .gitignore file if it doesn't exist - Fix appearance of log files inside workspace folder - Fix glob pattern for dynamic registration - Fix issue with indirect overwrite settings conf for DSN paths - Fix issues related to unrecognised copybook extensions - Fix representation of settings.json in Theia ## [0.11.1](https://github.com/eclipse/che-che4z-lsp-for-cobol/compare/0.11.0...0.11.1) (2020-04-23) ### Bug Fixes * "Change profile" in Quick fix menu when multiple profiles ([#298](https://github.com/eclipse/che-che4z-lsp-for-cobol/issues/298)) ([a0e44f9](https://github.com/eclipse/che-che4z-lsp-for-cobol/commit/a0e44f914e0bd3c9e0a63274e3d830e4c9db0f45)) * Inform user that the copybook may be nested if downloading faile… ([#303](https://github.com/eclipse/che-che4z-lsp-for-cobol/issues/303)) ([666d774](https://github.com/eclipse/che-che4z-lsp-for-cobol/commit/666d7744f59dd1e0d0989687c5c087782471091b)), closes [#301](https://github.com/eclipse/che-che4z-lsp-for-cobol/issues/301) * Special characters are causing grammatical errors [#273](https://github.com/eclipse/che-che4z-lsp-for-cobol/issues/273) ([#302](https://github.com/eclipse/che-che4z-lsp-for-cobol/issues/302)) ([49cdd6c](https://github.com/eclipse/che-che4z-lsp-for-cobol/commit/49cdd6c782cb10ead702151cd9bb8e4562697b97)) * Nested copybook failed to be retrieved at didOpen moment [#285](https://github.com/eclipse/che-che4z-lsp-for-cobol/issues/285) * Remove error message when settings for copybooks are not defined [#289](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/289) ## [0.11.0] - 2020-04-09 #### Added - Automatic copybook retrieval via Zowe connection - Downloading of nested copybooks - Copybooks can be downloaded using a quick fix #### Changed - Updates to README #### Fixed - Copybook extension check - Address StackOverflow exception during build - Make document extension check case-insensitive ## [0.10.1] - 2020-02-12 - Add maximum Java heap size argument to `extension.ts` [#194](https://github.com/eclipse/che-che4z-lsp-for-cobol/issues/194) Thanks @[sergiuilie](https://github.com/sergiuilie) ## [0.10.0] - 2020-01-28 - Increase code coverage for `lsp-core-domain` module to 76.8% [#111](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/111) Thanks @[zacanbrcom](https://github.com/zacanbrcom) - Make preprocessor parts stateless to simplify dependency injection [#153](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/153) Thanks @[temanbrcom](https://github.com/temanbrcom) - Add file system watcher for copybooks to invalidate the cache and run the syntax and semantic analysis for all the registered documents if there are any changes in the copybook files or the directory. [#152](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/152) Thanks @[temanbrcom](https://github.com/temanbrcom) - Remove unused parser params in order to simplify the dependencies, remove logic duplication. [#136](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/136) Thanks @[temanbrcom](https://github.com/temanbrcom) - Remove unused imports and add constants where math operations are in place [#135](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/135) Thanks @[sergiuilie](https://github.com/sergiuilie) - Update dev dependency [#134](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/134) Thanks @[ishche](https://github.com/ishche) - Add SKIP statement [#133](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/133) and [#138](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/138) Thanks @[sergiuilie](https://github.com/sergiuilie) - Add Mockito library [#130](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/130) Thanks @[sergiuilie](https://github.com/sergiuilie) - Replace compiler directives removal with moving it to the content area. Change transformation order not to remove syntax errors of not fitting the fixed format. [#131](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/131) Thanks @[temanbrcom](https://github.com/temanbrcom) - Provide binding for occurrence delegate [#127](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/127) Thanks @[temanbrcom](https://github.com/temanbrcom) - Improve performance of syntax and semantic checks by optimizing grammar [#121](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/121) Thanks @[sergiuilie](https://github.com/sergiuilie) - Provide bindings for service module and partially for the core module. Refactoring the service including the server bootstrap. [#127](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/127) Thanks @[temanbrcom](https://github.com/temanbrcom) - Remove a circular dependency in the service module [#124](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/124) Thanks @[temanbrcom](https://github.com/temanbrcom) - Add uncaught exception handling for async operations [#120](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/120) Thanks @[temanbrcom](https://github.com/temanbrcom) - Add new notification message to make error reporting more precise [#123](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/123) Thanks @[temanbrcom](https://github.com/temanbrcom) - Add check for line correctness in order to prevent StringIndexOutOfBoundsException [#119](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/119) Thanks @[temanbrcom](https://github.com/temanbrcom) - Make Analysis synchronized in order to avoid ConcurrentModificationException [#115](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/115) Thanks @[strekoz-zka](https://github.com/strekoz-zka) - Remove unused imports and unnecessary comment [#114](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/114) Thanks @[temanbrcom](https://github.com/temanbrcom) - Make final field static [#108](https://github.com/eclipse/che-che4z-lsp-for-cobol/pull/108) Thanks @[temanbrcom](https://github.com/temanbrcom) ## [0.9.1] - 2019-12-09 #### Added - JaCoCo in SonarCloud for code measurement #### Fixed - Copybook invocation case insensitive - GIFs in README file #### Changed - Updates to README ## [0.9.0] - 2019-11-27 #### Added - Support for copybooks added to the COBOL Language Support Engine - Enhanced completion suggestions for variables and paragraphs defined in copybooks - Enhanced ```find all references``` and ```go to definition``` features within copybooks definition - Performance improvement: - Cache layer running with LRU algorithm - Grammar optimization - Added source type information in the diagnostic object #### Changed - Updates to README ## [0.8.3] - 2019-10-16 #### Added - Syntax highlighting for variables and paragraphs in COBOL file enabled #### Fixed - Java automatic check now recognizes all supported JRE/JDK java implementations ## [0.8.2] - 2019-10-09 #### Changed - Updates to README ## [0.8.1] - 2019-10-02 #### Added - Automatic check for Java added before launching the LSP server #### Changed - Extension name updated ## [0.8.0] - 2019-09-19 - Initial release