Original code by Pearu Peterson.
Modifications by (in alphabetical order):
- P. Elson, UK Met Office
- R. W. Ford, Science & Technology Facilities Council, UK
- M. Hambley, UK Met Office
- J. Henrichs, Australian Bureau of Meteorology
- P. Hill, University of York, UK
- I. Kavcic, UK Met Office
- A. Morvan, Bull S. A. S., France
- A. R. Porter, Science & Technology Facilities Council, UK
- B. Reuter, ECMWF, UK
- S. Siso, Science & Technology Facilities Council, UK
- J. Tiira, University of Helsinki, Finland
- P. Vitt, University of Siegen, Germany
- A. Voysey, UK Met Office
15/07/2024 PR #438 for #437. Fix type guard statement bug.
24/04/2024 PR #444 for #443. Adds an option to the reader to handle code behind OpenMP sentinels (e.g. '!$ write(,) "hello"').
23/04/2024 PR #446 for #445. Updates Codecov action to v4.
09/04/2024 PR #442 for #440. Adds a new 'split file' example that splits a single source file into separate units and creates a Makefile for them.
29/01/2024 PR #435 for #426. Add support for the CONVERT extension of the open() intrinsic.
25/01/2024 PR #418 for #313. Allow intrinsic shadowing and improve fparser symbol table.
11/01/2024 PR #439 for #432. Fix RTD build and clean up setuptools config.
03/10/2023 PR #431 for #430. Fixes bug in WHERE handling in fparser1.
14/09/2023 PR #425 for #411. Splits the monolithic Fortran2008.py file into separate classes.
12/09/2023 PR #423 for #403. Adds full support for DO CONCURRENT in F2008 (fixes bugs in previous implementation).
12/06/2023 PR #417 towards #411. Moves Fortran2008.py into a 'Fortran2008' directory and moves the associated class generation into an 'init.py' in that directory.
16/05/2023 PR #414 for #412. Bug fix for disappearing line when parsing include files.
15/05/2023 PR #415 for #165. Bug fix for code aborting when trying to match 'NAMELIST' in certain contexts.
15/05/2023 PR #408 for #403. Add support for the F2008 DO CONCURRENT.
26/04/2023 PR #406 for #405. Add support for F2008 optional "::" in PROCEDURE statement.
03/04/2023 PR #392 for #326. Add support for F2008 block and critical constructs.
30/03/2023 PR #396 for #395. Fix trailing whitespace bug in CallBase.
13/03/2023 PR #391 for #324. Add GH workfow to automate a pypi upload during GH releases.
01/02/2023 PR #389 for #388. Black 23.1 formatting changes.
01/02/2023 PR #377 for #342. Add an AutoAPI and Doxygen sections in the documentation.
01/02/2023 PR #387 for #386. Support extension to permit in-line '!' comments in fixed-format Fortran.
30/11/2022 PR #382 for #264. Ignore quotation marks in in-line comments.
18/10/2022 PR #380 towards #379. Improve support for operators and symbol renaming in the use construct.
18/10/2022 PR #369 for #332. Add support for F2008 open intrinsic arguments.
13/10/2022 PR #381 for #298. Fix F2008 allocate statement with arguments.
20/09/2022 PR #376 for #349. Add support for use association to the symbol table.
15/09/2022 PR #378 for #375. Permit source files containing only comments to be parsed.
12/09/2022 PR #374 for #373. Removes @staticmethod decorator added to Stmt_Function_Stmt.tostr() in error.
05/09/2022 PR #372 fix for whitespace being lost when Format_Item_List is contained within parentheses.
02/09/2022 PR #356 - add support for the mold allocate parameter.
11/08/2022 PR #368 for #367. Add support for visiting tuples in walk() utility.
11/08/2022 PR #364. Fix parsing of format-items with hollerith items and omitted commas.
08/08/2022 PR #363 for #363. Extends the dependency-analysis example utility to cope with files in subdirectories.
26/07/2022 PR #341 - replace staticmethod calls with decorator.
14/07/2022 PR #361 - remove six dependency from setup.py
22/06/2022 PR #357 - this project now uses the Black formatter in a GH Action.
20/06/2022 PR #345 - add fparser2 performance benchmark in the scripts folder.
14/06/2022 PR #337 towards #312 (performance improvements). Removes some imports and function declaration from the hotpath.
09/06/2022 PR #325 - apply constraints on named blocks.
09/06/2022 PR #336 towards #312 (performance improvements). Introduces a memoization fixture that caches the result of the tokenizer.
19/05/2022 PR #340 - clears existing symbol table when a new Parser is requested.
19/05/2022 PR #328 - removes last traces of special handling for Python 2.
09/05/2022 PR #322 for #307. Drops Python2 GHA testing and removes most of the Python2-specfic code. Python2 will no longer be supported.
07/04/2022 PR #323 for #225. Adds get_name() method to Function_Stmt and Entity_Decl.
23/03/2022 PR #317 for #316. Fixes the creation of symbol table entries in the F2008 parser.
21/03/2022 PR #315 for #314. Adds support for the F2008 Error_Stop_Stmt.
15/03/2022 PR #311 for #310. Allows symbol table scope to be None.
08/12/2021 PR #293 towards #201. Initial symbol-table support added.
02/12/2021 PR #305 for #304. Fix failing build of documentation on RTD.
02/11/2021 #303: create release 0.0.13.
04/10/2021 PR #302 for #301. Improved handling of constants with exponents.
01/09/2021 #300. Further fixes to logging tests in fparser1.
12/08/2021 #299. Fix to logging test in fparser1 tests.
26/04/2021 #296. Create release 0.0.12.
21/04/2021 PR #260 for #253. Bug fix to improve Io_Control_Spec and Io_Control_Spec_List matching.
11/03/2021 PR #269 for #268. Removed recognition of f2py directives in the reader. The original code is still there if needed in the future.
20/01/2021 PR #289 for #288. Bug fix for matching expressions containing real literals with signed exponents. This bug was introduced by #285.
20/01/2021 PR #286 for #284. Adds checking for datatype of *_Expr classes.
18/01/2021 PR #287 for #280. Fixes overly-deep recursion when reading multi-line comments.
11/01/2021 PR #285 for #283. Removes Structure_Constructor_2 class to fix problem with Expr matching.
11/01/2021 PR #237 for #236. Fix for slow parsing and printing of code.
23/12/2020 PR #278 for #277. Added github actions CI file, badges and documentation.
18/12/2020 PR #275 for #274. Adds an example script that uses fparser2 to generate Makefile dependency rules for a set of Fortran source files.
30/11/2020 PR #272 for #271. Bug fix to module_in_file() to ensure that the encoding is always set to UTF-8 when reading a file.
25/10/2020 PR #256 for #252. Fixes a bug in the parsing of an array constructor.
03/06/2020 PR #263 for #262. Fixes bug in fparser2 logging a 'critical' error when it reaches the end of a file.
03/06/2020 PR #249. Adds support for Fortran2008 CONTIGUOUS and CODIMENSION keywords.
09/04/2020 PR #254. Fix for >1 character pre-processor macro identifiers.
24/03/2020 PR #239. Add support for CPP directives in fparser2.
07/03/2020 PR #250 for #248. Identify CPP directives in the reader.
14/02/2020 PR #246 for #245. Fixes some deprecation warnings about '' characters in strings.
13/02/2020 PR #238 for #213. Re-orders the rules that are matched for Designators so that e.g. a(:) matches as a section-subscript-list rather than a substring-range.
13/02/2020 PR #240. Improves code conformance to pylint and pycodestyle.
06/02/2020 PR #241. Fixes a bug in the number of arguments specified for the IBITS intrinsic.
25/01/2020 PR #235 for #172. Fixes bug in absolute pattern matching that meant that matches with following content were not being rejected as they should.
10/01/2020 PR #230 for #102 and #105. Add parent and children properties to nodes. Also add get_root() method and update get_child and walk methods.
08/01/2020 PR #234 for #228. Remove the blank space at the end of unnamed "END DO" statements.
07/01/2020 PR #233 for #161. Improve the reader handling of multi-statement source lines. Especially those containing labels or construct names.
06/01/2020 PR #227 for #226. Added support for utf characters in Fortran block structures when using Python 2.
03/01/2020 PR #206 for #144. Bug fixes to the parsing of IMPORT statements.
20/11/2019 PR #224 for #223. Improvements to the fparser2 script. Errors now output to stderr, command-line setting of Fortran flavour honoured and no longer aborts if a syntax error is found.
18/11/2019 PR #220 for #219. Fixes bug in the parsing of prefix specifications containing white space.
04/11/2019 PR #208 for #207. Adds support for utf characters in Fortran strings when using Python 2.
06/10/2019 PR #212. Change setup.py to make fparser2 automatically available on the command line when installing.
15/07/2019 PR #203 for #170. Allows List objects to contain a single object meaning that the Parse Tree now has a more consistent structure.
11/07/2019 PR #210 for #209. Corrects the maximum number of arguments for the CMPLX instrinsic.
03/07/2019 PR #200 for #171. Disable Statement Function support in fparser2.
02/07/2019 PR #205 for #204. Corrects the minimum number of arguments for the SELECTED_REAL_KIND intrinsic.
26/06/2019 PR #199 for #189. Adds an Intrinsic_Function_Reference node to represent Fortran Intrinsics with the parse tree.
15/06/2019 PR #195. Travis change to make it raise errors with failing unicode tests.
14/06/2019 PR #181. Added an xfailing test to demonstrate an error in EndStmtBase.
14/06/2019 PR #196. Fix for unicode input errors in Python.
14/06/2019 PR #194. Fix for unicode input errors in Python 3.6.
05/04/2019 PR #192. END statements which use class EndStmtBase now output the same tokens as the input e.g. names are not added if they don't exist in the input.
29/03/2019 Issue #167 and PR #182. Fix to Fortran2003 rule 701 where large codes were causing recurse-depth errors in Python.
26/03/2019 Issue #136 and PR #183. Adds the ability to enforce the ordering of matches in the blockbase class and uses this functionality to fix potential errors in Fortran2003 rule 1101.
20/03/2019 Issue #132 and PR #184. Fixes for reading source files containing utf8 characters under Python 2.
08/03/2019 Issue #165 and PR #185. Fixes Python-3 specific code in the read.py script and adds some documentation.
28/02/2019 Issue #139 and PR #176. Makes the handling of include files more robust and adds a representation for them in the parse tree if they cannot be resolved.
28/02/2019 Issue #146 and PR #160. Adds support for Hollerith string constants in Format specifiers.
15/02/2019 Issue #138 and PR #173. Adds support for un-resolved include statements such that they are included in the generated parse tree (rather than being thrown away).
13/02/2019 PR #163. fparser1 bug fix for complex expressions in loop bounds.
17/01/2019 PR #137 for #125. Fixes an error in dealing with the case when the names of a program and end program do not match.
17/01/2019 PR #159. Adds support for the Cray pointer extension.
09/01/2019 PR #156 for #142. Bug fixes for the Binary and Unary Operator types.
08/01/2019 PR #154 for #142. Bug fixes for the Fortran 2003 forall statement (r759).
08/01/2019 PR #152 for #142. Bug fixes for the Fortran 2003 forall header rule (r754).
07/01/2019 PR #158 for #157. Adds support for a Defined Operator (r311 and r312).
07/01/2019 PR #141 for issue #129. Adds extension to support the use of 'x' without a preceeding integer in format strings.
20/12/2018 PR #149 for issue #147. Bug fix that corrects the name of one of the subclasses (Associate_Construct) of Executable_Construct.
20/12/2018 PR #151 for issue #150 (and part of PR #142). Removes the triggering of Coveralls from Travis (because it often incorrectly reports that coverage has decreased).
28/11/2018 PR #131 for issue #106. Bug fixes for Procedure_Binding and Char_Literal_Constant classes.
28/11/2018 PR #133 for issue #130. Bug fix for handing of derived-type statements.
28/11/2018 PR #134 for issue #119. Bug fix for parsing files that contain nothing or just white space.
23/11/2018 PR #122 for issue #118. Bug fix for reporting invalid
Fortran when parsing use module_name, only: in fparser2.
21/11/2018 PR #127 for #126. Adds get_child function to help AST traversal.
19/11/2018 PR #124 for #112. Bug fix - spaces within names are now rejected by fparser2.
15/11/2018 PR #123 for #117, Fixes a bug that caused fparser to crash for code where a PROGRAM statement was missing an associated name.
14/11/2018 PR #121 for #120. Fixes bug in BlockBase such that name matches are no longer case sensitive. Improves error handling.
08/10/2018 PR #111 - bug fix for #110. Adds support for kind(my_var)
inside a kind expression for a variable declaration.
03/09/2018 PR #100 for issue #99. Adds new SyntaxError to fparser2 and fixes bug so that errors are reported correctly for multiple program units in a single source file.
08/08/2018 PR #96, for issue #95. Removes dependency on nose and tidy test_fortran2003.py for pylint.
01/08/2018 PR #94 for issue #92. Re-structures fparser2 and introduces a parser factory. This creates a parser for a specified Fortran dialect (currently 2003 or 2008). Intoduces support for Fortran2008 submodules.
09/07/2018 PR #90 for issue #89. Make fparser2 pycodestyle conformant.
09/07/2018 PR #88 for issue #81. Bug fix for undefined variable in fparser class 'HasImplicitStmt'.
07/07/2018 PR #71 for issue #68. Adds support for keeping input comments in the Fortran output for parser 2.
27/06/2018 PR #85 for issue #82. Adds support for the full list of possible procedure attributes (POINTER and PROTECTED were missing).
19/06/2018 PR #86 and issue #83. Adds support for the full list of possible procedure specifications (MODULE and IMPURE were missing).
20/04/2018 PR #78 and issue #74. Allow the use of the fparser cache to be controlled and disable its use by default.
19/04/2018 PR #70. Re-organise module structure in order to split versions 1 and 2 of the parser.
23/03/2018 PR #75. Allow FortranFileReader to accept either a filename or a file handle. Many pylint/pep8 improvements.
20/03/2018 PR #77 and issue #76. Fix bug in ALLOCATE statement when using names of derived types as type specifiers.
05/03/2018 PR #73. Improvements to SourceInfo so that it can take either a filename or a file handle.
26/02/2018 PR #72 and issue #69. Fixes for bugs found when using fparser2 to parse and then re-generate LFRic code.
15/01/2018 PR #67. Move old testing code from source files into test framework.
12/01/2018 PR #66 and issue #64. Fix bug where = in a string was being treated like an assignment, causing parse errors in some format statements
08/01/2018 PR #65 and issue #59. fparser no longer presumes to set-up logging - this is left to the master application.
04/12/2017 PRs #61 and #62. Remove the dependence on numpy.
24/11/2017 PR #60. Add fparser2 support for the 'deferred' attribute on a procedure declaration.
24/11/2017 PR #54. Add support for array initialisation using square brackets in fparser1, e.g. 'integer :: a(2) = [x, y]'
09/11/2017 Issue #40 and PR #56 bug fix for missing comma when generating "USE, intrinsic :: ..."
21/10/2017 issue #36 and PR #47 generate correct open statement in fparser2 when the 'UNIT' keyword is not provided
20/10/2017 PR #49 pep8, pylint and nose->pytest changes for test_parse.py
20/10/2017 issue #43 and PR #48 add support for Python 3.
19/10/2017 issue #45 and PR #46 - bug fix for optional '::' between MODULE PROCEDURE and
13/10/2017 issue #41 and PR #42 - removed init.py files from directories that do not contain package code
28/09/2017 issue #35 pr #39 add support for the 'opened' option in the inquire statement in fparser2.
06/09/2017 issue #34 pr #37 Fix a format statement parsing bug in fparser2
20/06/2017 issue #30 pr #31 Extend fparser1 to support Fortran2003 procedure declarations
11/05/2017 pypi configuration was incorrect so 0.0.3 was released on github but not on pypi. 0.0.4 has the same functionality as 0.0.3 but is available on both pypi and github.
11/05/2017 #27 Fix a bug in fparser1 to support (Fortran2003) class declarations e.g. CLASS(my_class) :: var
22/03/2017 #11 Configure Travis to automatically release to pypi when a tag is created. Create release 0.0.2.
03/03/2017 #5 Extend fparser1 to support calls to type-bound procedures when accessed via array elements.
24/02/2017 #4 Extend fparser1 to support the (Fortran2003) SELECT TYPE block.
09/02/2017 #2 Create initial documentation, mostly based on Pearu's previous work.
07/02/2017 #10 Merge in fixes to Fortran2003 parser originally done as part of Habakkuk development.
31/01/2017 #6 Create first release and upload to pypi.
31/01/2017 #7 Apply regex bug-fix to 'entry' parsing so that all tests pass.
16/01/2017 #1 Initial import of parser code extracted from the f2py project.