v1.0.0

Support Features

Category	Module	Function	Requirement	Status
Frontend	Lexer	Tokenizing	Tokenized user input into token list.	✅
			Support the PIPE character |.	✅
			Support logical AND &&.	✅
			Support logical OR ||.	✅
			Support left and right brackets () for SUBSHELL.	✅
			Support WORD representing basic words.	✅
			Support ASSIGNMENT_WORD = for variable assignments.	✅
Frontend	Parser	Syntax Analysis	Analyze syntax of token list and report syntax errors based on Shift-Reduce algorithm with predefined grammar rules and then output as command table list.	✅
Frontend	Expander	Brace Expansion	Perform brace expansion to generate multiple strings based on expressions enclosed in braces {}.	✅
		Tilde Expansion	Perform tilde expansion to replace ~ with the current user's home directory path.	🛇
		Parameter Expansion	Perform parameter expansion to replace variables and special parameters in a string.	✅
		Command Substitution	Perform command substitution to replace command output in a string.	🛇
		Arithmetic Expansion	Perform arithmetic expansion to evaluate mathematical expressions enclosed in $(()).	🛇
		Process Substitution	Perform process substitution to use the output of a command as a file or input to another command.	🛇
		Word Splitting	Perform word splitting to split a string into separate words based on spaces, tabs, and newlines.	✅
		Wildcard Expansion	Perform filename expansion (globbing) to generate filenames matching a specified pattern.	✅
		Quote Removal	Remove quotes from strings to interpret them as literal values.	✅
Backend	Builtins	cd	Implement cd with only a relative or absolute path.	✅
		echo	Implement echo with option -n.	✅
		env	Implement env with no options or arguments.	✅
		exit	Implement exit with no options.	✅
		export	Implement export with no options.	✅
		pwd	Implement pwd with no options.	✅
		unset	Implement unset with no options.	✅
Backend	Redirection	IO Redirection	Redirected 'STDIN' with input redirection by '<' operator.	✅
			Redirected 'HEREDOC' with input redirection by '<<' operator.	✅
			Redirected 'STDOUT' with output redirection by '>' operator.	✅
			Redirected 'STDOUT' append with output redirection by '>>' operator.	✅
		Subsell Redirection	Implement redirections and pipes (| character).	✅
		Pipe Redirection	Redirected 'STDIN'/'STDOUT' by 'pipe()'.	✅
Cross-end	Signal	Signal Handling	Handled 'ctrl-C' as 'SIGINT' as bash behavior.	✅
			Handled 'ctrl-D' as 'EOF' as bash behavior.	✅
			Handled 'ctrl-\' as 'SIGQUIT' as bash behavior.	✅
		Exception Handling	Ignored 'SIGPIPE' in internal process and set it back as default in external commands sub-process.	✅
			Used 'SIGABRT' and 'SIGTERM' to raise internal critical error to all related process and handle it depends on scenario.	✅

What's Changed

• [STYLE] Modify all filename with common convention by @LeaYeh in #268
• [FIX] Print exit msg to stderr by @itislu in #270
• [FIX] Cleanup heredoc files by @itislu in #272
• [REFACTOR] Merge SIGINT handling of heredoc with standard by @itislu in #273
• [CD] Add norminette test to GH Actions by @itislu in #271
• [BUILD] Add ffclean goal to Makefile by @itislu in #275
• [FIX] Fix funcheck without -a option by @itislu in #277
• [FIX] Fix heredoc for subshell redirect by @itislu in #278
• [CI] Install funcheck in setup by @LeaYeh in #276
• [CHORE] Avoid misleading ft_free_and_null()s by @itislu in #279
• [CI] Add manually triggered norminette workflow by @itislu in #280
• [CI/CD] Fix manually triggered norminette workflow by @itislu in #284
• [CHORE] Change size_t to int by @itislu in #282
• [DOC] Update readme document structure by @LeaYeh in #286
• [DOC] Add tutorial about frontend implementation by @LeaYeh in #287
• [CHORE] Add .gitattributes file for git LFS by @itislu in #288
• [DOC] Add notes from tablet by @itislu in #289
• [DOC] Add another process flow note by @itislu in #290
• [STYLE] Fix norm issues of debug folder by @itislu in #291
• [CI] Add possibility to manually trigger the test workflow for any branch by @itislu in #293
• [FIX] Fix wrong null-expansion after word-splitting and quote combination by @itislu in #283
• [STYLE] Various tiny style changes and change shell->exit_code to unsigned char by @itislu in #297
• [CI] Trigger test workflow when add new tag version by @LeaYeh in #294
• [FEAT] Implement wildcard expansion for the current directory by @itislu in #292
• [FIX] Fix filename expansion in non-interactive mode by @itislu in #298
• [STYLE] Rename expander variable names by @itislu in #299
• [FEAT] Expand $$ to PID of shell by @itislu in #300
• [FIX] Make read_input() more general and also us it in heredoc by @itislu in #301
• [DOC] Update badge colors in README by @itislu in #302
• [CHORE] Put read_input() into utils by @itislu in #303
• [FEAT] Add welcome message after init shell by @LeaYeh in #285
• [STYLE] Change all occurances of 2 to STDERR_FILENO by @itislu in #304
• [STYLE] Make all local functions static by @itislu in https://github.com/LeaY...

v0.0.2

Bugs Fix

• Fix Builtins-exit overflow scenario behavior and exit code

Enhancement

• Re-style the file name and struct for readability

What's Changed

• [CD] Fix eval tag creation by @itislu in #261
• [FIX] Fix exit codes from exit builtin by @itislu in #262
• [CD] Try to specific main branch to remote by @LeaYeh in #263
• [CD] Merge from upstream main branch by @LeaYeh in #264
• [CD] Checkout eval branch from upstream and rebasing by @LeaYeh in #265
• [CD] Ignore the merge conflict of delete files from main to eval by @LeaYeh in #266
• [CD] Force delete debug folder even though it's not exist by @LeaYeh in #267

Full Changelog: v0.0.1...v0.0.2

Release Notes - 0.0.1 (pre-eval)

Support Features

Category	Module	Function	Requirement	Status
Frontend	Lexer	Tokenizing	Tokenized user input into token list.	✅
			Support the PIPE character |.	✅
			Support logical AND &&.	✅
			Support logical OR ||.	✅
			Support left and right brackets () for SUBSHELL.	✅
			Support WORD representing basic words.	✅
			Support ASSIGNMENT_WORD = for variable assignments.	✅
Frontend	Parser	Syntax Analysis	Analyze syntax of token list and report syntax errors based on Shift-Reduce algorithm with predefined grammar rules and then output as command table list.	✅
Frontend	Expander	Brace Expansion	Perform brace expansion to generate multiple strings based on expressions enclosed in braces {}.	✅
		Tilde Expansion	Perform tilde expansion to replace ~ with the current user's home directory path.	❌
		Parameter Expansion	Perform parameter expansion to replace variables and special parameters in a string.	✅
		Command Substitution	Perform command substitution to replace command output in a string.	❌
		Arithmetic Expansion	Perform arithmetic expansion to evaluate mathematical expressions enclosed in $(()).	❌
		Process Substitution	Perform process substitution to use the output of a command as a file or input to another command.	❌
		Word Splitting	Perform word splitting to split a string into separate words based on spaces, tabs, and newlines.	✅
		Wildcard Expansion	Perform filename expansion (globbing) to generate filenames matching a specified pattern.	❌
		Quote Removal	Remove quotes from strings to interpret them as literal values.	✅
Backend	Builtins	cd	Implement cd with only a relative or absolute path.	✅
		echo	Implement echo with option -n.	✅
		env	Implement env with no options or arguments.	✅
		exit	Implement exit with no options.	✅
		export	Implement export with no options.	✅
		pwd	Implement pwd with no options.	✅
		unset	Implement unset with no options.	✅
Backend	Redirection	IO Redirection	Redirected 'STDIN' with input redirection by '<' operator.	✅
			Redirected 'HEREDOC' with input redirection by '<<' operator.	✅
			Redirected 'STDOUT' with output redirection by '>' operator.	✅
			Redirected 'STDOUT' append with output redirection by '>>' operator.	✅
		Subsell Redirection	Implement redirections and pipes (| character).	✅
		Pipe Redirection	Redirected 'STDIN'/'STDOUT' by 'pipe()'.	✅
Cross-end	Signal	Signal Handling	Handled 'ctrl-C' as 'SIGINT' as bash behavior.	✅
			Handled 'ctrl-D' as 'EOF' as bash behavior.	✅
			Handled 'ctrl-\' as 'SIGQUIT' as bash behavior.	✅
		Exception Handling	Ignored 'SIGPIPE' in internal process and set it back as default in external commands sub-process.	✅
			Used 'SIGABRT' and 'SIGTERM' to raise internal critical error to all related process and handle it depends on scenario.	✅

Contributors

• Lea Yeh: https://github.com/LeaYeh
• Lukas Dullinger: https://github.com/itislu