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2024-03-08Allow the use of volatile and const in typedefsHEADmasterSergey Poznyakoff1
2023-06-03Use autoconf 2.17 and automake 1.16.5Sergey Poznyakoff1
2023-06-03BugfixSergey Poznyakoff1
* src/main.c (find_option_type): Check upper length limit.
2022-01-02Update copyright yearSergey Poznyakoff14
2021-11-05Document the --target option. New option --start: alias for --main.Sergey Poznyakoff1
2021-11-05Fix recursive call detectionSergey Poznyakoff2
* src/symbol.c (install): Initialize ord to -1. * src/output.c (tree_output): Skip callees with ord == -1.
2021-05-07Fix incorrect assumptions about number of symbols in the symbol table.Sergey Poznyakoff1
* src/symbol.c (collect_data): New member: count. (collect_processor,collect_list_entry): Reallocate the syn array as needed. (collect_symbols): Initialize sym to NULL and count to 0.
2021-04-05Version 1.6.92Sergey Poznyakoff2
* NEWS: Update. * configure.ac: Version 1.6.92 * po/POTFILES.in: Add missing file. * src/main.c (symbol_override): Detect cyclic definitions.
2021-04-04Minor fixes.Sergey Poznyakoff2
* configure.ac: Move wordsplit to src * src/Makefile.am: Likewise. * elisp/cflow-mode.el: Fix regular expressions. Character class \w does not include _, which is allowed in identifiers.
2021-04-04Improve parsing of typecasts.Sergey Poznyakoff3
* src/cflow.rc: Mark 'typeof' as wrapper. * src/parser.c (expression): Allow for wrappers and explicit structures in typecasts. (dcl): Don't skip token that follows the wrapper. * tests/struct.at: Test for unions in typecasts.
2021-04-01Fix node labels in dot formatSergey Poznyakoff1
2021-04-01New output format: dotSergey Poznyakoff4
* src/dot.c: New file. * src/Makefile.am: Add new file. * src/cflow.h (dot_output_handler): New proto. * src/main.c: Register the "dot" output format.
2021-04-01Minor changesSergey Poznyakoff1
2021-04-01Revise docstringsSergey Poznyakoff1
* src/main.c: Revise docstrings. Customize help output. * doc/cflow.texi: Remove obsolete passage. * po/POTFILES.in: Update. * configure.ac: Version 1.6.91 * NEWS: Update.
2021-03-30New option: --targetSergey Poznyakoff5
The --target=F option instructs cflow to print only paths going from the starting symbol ("main") to the function F. Multiple --target options are allowed. * src/cflow.h (symbol_target): New symbol flag. (symbol) <visible>: New field. (output_visible): New extern. (install_target,eliminate_non_targets): New protos. * src/main.c: New option "--target". (include_symbol): Don't include symbol if the value of its "visible" field doesn't equal that of output_visible. * src/output.c: Eliminate non-target paths before tree output. * src/parser.c: Cut off the tree at target symbols. (get_symbol): Treat symbol_target same as symbol_start. * src/symbol.c (target_symbol_list): New variable. (install_starter): Don't use append_symbol to avoid setting the "entry" symbol field. (install_target) (eliminate_non_targets): New functions.
2021-03-30Fix improper use of strdup/strlenSergey Poznyakoff1
* src/c.l (pp_finalize): Append \0 to obstack prior to finalizing the object.
2021-03-30Accept multiple start symbolsSergey Poznyakoff5
* doc/cflow.texi: Document changes. * src/cflow.h (symbol_start): New flag. (install_starter,set_default_starter,clear_starters) (first_starter,next_starter): New protos. * src/main.c (no_main_option): New static; (start_name): Remove. (main): Change handling of the --main and --no-main options. * src/output.c (tree_output): Iterate over all defined starter symbols. * src/parser.c (get_symbol): Special handling for symbol_start. * src/symbol.c (install_starter,set_default_starter,clear_starters) (first_starter,next_starter): New functions.
2021-03-30Change some option docstringsSergey Poznyakoff1
2021-03-30Reset static caller at the end of compilation unit.Sergey Poznyakoff3
This fixes CVE-2019-16165, 66 * src/cflow.h (reset_static_caller): New proto. * src/parser.c (reset_static_caller): New function. * src/symbol.c (delete_statics): Call reset_static_caller.
2021-03-30Fix parsing of K&R style function declarationsSergey Poznyakoff1
* src/parser.c (get_knr_args): Take into account qualifiers.
2021-01-06Update copyright yearsSergey Poznyakoff13
2019-07-10Use wordsplit from submoduleSergey Poznyakoff3
2019-02-10Finish implementation of --allSergey Poznyakoff2
* doc/cflow.1: Document the --all --all behavior * doc/cflow.texi: Likewise. * src/main.c: Increment all_functions for each -A option. * src/output.c (tree_output): If one --all option is used, output graphs for all top-level functions (i.e. functions, not reachable from other ones). If used twice, output graphs for all global function. * tests/all.at: New test. * tests/Makefile.am: Add new test. * tests/testsuite.at: Likewise.
2019-02-10Fix processing of typedef struct and struct declarations. Fix --xref mode.Sergey Poznyakoff5
Some constucts were processed incorrectly (see typedef.at for examples). Unit-local types were not displayed in xref mode. * src/cflow.h (symbol_temp): Rename to symbol_temp. All uses changed. * src/output.c (tree_output): In all_functions mode: print all functions without explicit caller. * src/parser.c (save_token): Process curly braces. (fake_struct): Don't restore stack upon encountering identifier or modifier. See typedef.at for testcases. (parse_variable_declaration): restore stack only if type_end is -1 (no tag encountered). See struct06 in struct.at (skip_struct): Minor change. * src/parser.h: Redefine token types as enum. * src/symbol.c (unit_local_list): New static. (static_free): Preserve unit-local symbols in unit_local_list in xref mode. (collect_symbols): Consider symbols from unit_local_list. * tests/Makefile.am: Add new testcases. * tests/testsuite.at (CFLOW_TEST): New macro. Include new testcases. * tests/struct.at: New file. * tests/typedef.at: New file. * tests/struct01.at: Remove. * tests/struct02.at: Remove. * tests/struct03.at: Remove. * tests/struct04.at: Remove. * .gitignore: Update.
2019-02-09Minor changeSergey Poznyakoff3
* src/output.c (tree_output): Make sure the main subtree is never output twice. * src/wordsplit.c: Update from grecs. * src/wordsplit.h: Likewise.
2019-02-08Fix https://savannah.gnu.org/bugs/index.php?47110Sergey Poznyakoff1
* src/parser.c (expression): Fix parsing of type casts. * tests/memberof.at: New test case. * tests/testsuite.at: Add new test. * tests/Makefile.am: Add new test.
2019-02-08Include in output functions that don't call other functionsSergey Poznyakoff2
* src/output.c (tree_output): When outputting all graphs, skip only functions that have no source file information. * src/parser.c (declare): Don't install symbols with empty declarations.
2019-02-08Update copyright statementsSergey Poznyakoff11
2019-02-08New options: --all and --no-mainSergey Poznyakoff3
* NEWS: Document --all and --no-main * configure.ac: Version 1.5.90 * doc/cflow.texi: Document --all and --no-main * src/cflow.h (all_functions): New extern. * src/main.c: New options: -A (--all) and --no-main * src/output.c (tree_output): Output all graphs if all_functions is set or no main function is defined.
2019-01-22BugfixSergey Poznyakoff1
* src/main.c (main): Make sure preprocessor options are collected before parsing source files.
2017-01-02Happy GNU YearSergey Poznyakoff14
2016-11-14Include static symbols as root points in inverted graphs.Sergey Poznyakoff4
* src/cflow.h (linked_list_size): New function. * src/linked-list.c (linked_list_size): New function. * src/symbol.c (collect_symbols): Include static symbols, if allowed by sel. * src/main.c (parse_opt): Exclude static symbols for --xref
2016-11-11BugfixSergey Poznyakoff1
* src/parser.c (tokdel): Fix amount of memory to move. * THANKS: Niklas Angebrand
2016-05-17Version 1.5release-1_5Sergey Poznyakoff3
* NEWS: Version 1.5 * configure.ac: Likewise. * src/main.c (parse_opt): Bugfix. * src/parser.c: Include ctype.h. * src/symbol.c (hash_symbol_hasher): Fix signature.
2016-03-22Fix flowchart-generation rule in Makefile and in docsSergey Poznyakoff1
Don't use $@ in explicit rules.
2016-03-22Update copyright yearsSergey Poznyakoff14
2016-03-22Properly handle invalid inputSergey Poznyakoff1
See https://savannah.gnu.org/bugs/?44113 * src/parser.c (cleanup_stack): Ignore negative deltas. (parse_function_declaration): Don't set caller if the symbol is in automatic storage. Note: that means nested function definitions can't be handled. * tests/invalid.at: New test case. * tests/Makefile.am: Add new test case. * tests/testsuite.at: Likewise.
2016-03-04Fix handling of such declarations as "struct x *a, *b";Sergey Poznyakoff1
* src/parser.c (fake_struct) (parse_variable_declaration): Correctly determine end of type. * tests/decl01.at: New test case. * tests/Makefile.am: Add new test. * tests/testsuite.at (CFLOW_CHECK_PROG): Don't add extra newline at the end of expout. All uses updated.
2015-03-02Update copyright yearsSergey Poznyakoff14
2014-02-07Use exit codes consistently.Sergey Poznyakoff6
* doc/cflow.1: Document exit codes. * doc/cflow.texi: Likewise. * src/cflow.h: Define exit code constants. * src/main.c: Use exit codes consistently. * src/output.c: Likewise. * src/parser.c: Likewise. * src/posix.c: Likewise. * src/rc.c: Likewise.
2014-02-07Use wordsplit.[ch] (from grecs) instead of the obsolete argcv.[ch]Sergey Poznyakoff6
2014-02-07Update copyright statements. Remove 'Front-Cover' clause from cflow.texiSergey Poznyakoff15
2014-02-07Output debugging info to stderr instead of stdout.Sergey Poznyakoff3
2014-02-07Correctly handle functions returning struct/unionSergey Poznyakoff2
This fixes bug #31792. * bootstrap (gnulib_extra_files): Remove "missing" * gnulib: Upgrade * gnulib.modules: Add xalloc. * src/Makefile.am: Use AM_CPPFLAGS instead of INCLUDES. * src/parser.c (token_type_str) (dbgtok,debugtoken): New diagnostic functions. (tokdel,tokins): New functions. (nexttoken): Clear yylval.str. Print token stack state. (putback): Copy all data to tok. Print token stack state. (file_error,restore (is_function): Hanlde struct, union and enum: all these can appear in the return type specification. (fake_struct): Don't destroy token stack. Use tokdel and tokins to modify it. (parse_variable_declaration): Likewise. * tests/Makefile.am: Add new testcases. * tests/testsuite.at: Likewise. * tests/struct02.at: New file. * tests/struct03.at: New file. * tests/struct04.at: New file.
2011-10-11Final cleanup before the release.release-1_4Sergey Poznyakoff2
* NEWS: Update. * README: Update. * doc/cflow.texi: Update. * src/main.c (symbol_override): pass allocated argument to install. * src/parser.c (yyparse): Return 0.
2011-10-11Minor fix.Sergey Poznyakoff1
* src/parser.c (dcl): allow for qualifier wherever a modifier is allowed.
2011-10-11Improve the docs.Sergey Poznyakoff2
* doc/cflow.texi: Document symbol classes and aliases. * src/cflow.rc: Minor change. * src/main.c: Mention aliasing feature in the docstring for --symbol.
2011-10-10Improve parser. Allow users to declare aliases to other symbols.Sergey Poznyakoff7
The latter feature is useful for declaring reserved symbols such as __restrict or __inline, e.g. --symbol __restrict:=restrict instructs cflow to treat `__restrict' exactly as `restrict'. * src/Makefile.am: Minor fix in rule for flowgraph. * src/c.l (init_tokens): New function, separated from init_lex. Install qualifiers. * src/cflow.h (symbol_alias): New flag. (symbol)<alias>: New member. (INSTALL_DEFAULT,INSTALL_OVERWRITE) (INSTALL_CHECK_LOCAL,INSTALL_UNIT_LOCAL): New defines. * src/cflow.rc: Rewrite for use with --cpp='gcc -E' * src/main.c (symbol_override): Extend syntax to allow for defining aliases to other tokens (--symbol __inline:=inline). * src/parser.c (print_token): print qualifiers and ops. (file_error): Change signature. All uses changed. (save_token): Improve output spacing. (skip_balanced): Treat LBRACE0 and RBRACE0 as { and }. (is_function): allow for qualifiers and wrappers before defintion. (parse_function_declaration): Remove PARM_WRAPPER case: it is taken care of by the caller. (fake_struct): leave when '(' is encountered. (parse_variable_declaration): Allow for qualifiers before the identifier. (skip_struct): Use skip_balanced. (dcl): Handle wrappers. Leave if a semicolon is encountered. (dirdcl): Optimize handing of wrapper. (maybe_parm_list): Handle qualifiers. (declare): allow for wrappers. (declare_type): Pass INSTALL_UNIT_LOCAL as a flag to install. * src/symbol.c (lookup): Argument is const now. (install): Change semantics of the 2nd argument. (install_ident): Change the call to install accordingly. * tests/nfparg.at: Change spacing to reflect changes to save_token.
2011-10-10Improve local symbol detection.Sergey Poznyakoff5
* src/cflow.h (install): Change prototype. * src/parser.c (skip_balanced): Don't put extra token back. * src/symbol.c (install): Take two arguments, the 2nd one specifying whether the symbol can be local to the compilation unit. All uses updated. (delete_symbol): Don't delete symbol in reverse tree mode, if its callee list is not empty.
2011-10-10Complement a43d8894.Sergey Poznyakoff1
* src/parser.c (save_token): Hanlde [ and ]. Do not enforce space after ). * tests/fdecl.at: Reflect changes in spacing. * tests/knr.at: Likewise. * tests/multi.at: Likewise. * tests/pwrapper.at: Likewise. * tests/struct00.at: Likewise. * tests/struct01.at: Likewise.

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