rename
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#+OPTIONS: toc:nil
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* ztl-mode
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* zre-mode
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:PROPERTIES:
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:CUSTOM_ID: ztl-mode
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:CUSTOM_ID: zre-mode
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:END:
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ZTL mode for Emacs
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ZRE mode for Emacs
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;;; zre-mode.el --- Major mode for editing Zre code -*- lexical-binding: t; -*-
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;;
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;; Licensed under the GPLv3 License.
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(defvar zre-keywords
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'("fn" "to" "in" "is" "as" "use" "if" "else"
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"for" "try" "catch" "while" "do" "exit"
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"return" "const" "type" "this" "yield"
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"break" "mod" "not" "and" "or" "print" "let")
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"Keywords in Zre.")
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(defvar zre-types
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'("byte" "str" "real" "bool"
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"int" "nat" "f32" "f64"
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"u8" "u16" "u32" "u64"
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"i8" "i16" "i32" "i64")
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"Types in Zre.")
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(defvar zre-constants
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'("true" "false" "nil")
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"Constants in Zre.")
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(defvar zre-font-lock-keywords
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`(
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;; Keywords
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(,(regexp-opt zre-keywords 'words) . font-lock-keyword-face)
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;; Types
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(,(regexp-opt zre-types 'words) . font-lock-type-face)
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;; Constants
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(,(regexp-opt zre-constants 'words) . font-lock-constant-face)
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;; Structs: CamelCase identifiers
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("\\b[A-Z][a-zA-Z0-9_]*\\b" . font-lock-type-face)
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;; Function definitions: "fn name(...)"
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("\\_<fn\\>\\s-+\\(\\w+\\)(" (1 font-lock-function-name-face))
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;; Function calls: "name(...)"
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("\\_<\\([a-zA-Z_][a-zA-Z0-9_]*\\)\\s-*(" (1 font-lock-function-name-face))
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;; Floating point numbers
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("\\b-?[0-9]+\\.[0-9]+\\b" . font-lock-constant-face)
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;; Integers
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("\\b-?[0-9]+\\b" . font-lock-constant-face)
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;; Strings with double quotes
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("\"[^\"\n]*\"" . font-lock-string-face)
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;; Strings with backticks
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("`[^`]*`" . font-lock-string-face))
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"Font lock keywords for Zre mode.")
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(defvar zre-mode-syntax-table
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(let ((st (make-syntax-table)))
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;; C++-style comments
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(modify-syntax-entry ?/ ". 14b" st)
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;; C-style comments
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(modify-syntax-entry ?* ". 23" st)
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;; Strings
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(modify-syntax-entry ?\" "\"" st)
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(modify-syntax-entry ?` "\"" st)
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st)
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"Syntax table for Zre mode.")
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(define-derived-mode zre-mode prog-mode "Zre"
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"Major mode for editing Zre code."
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:syntax-table zre-mode-syntax-table
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(setq-local font-lock-defaults '(zre-font-lock-keywords))
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(setq-local comment-start "// ")
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(setq-local comment-end "")
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(setq-local parse-sexp-ignore-comments t)
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(setq-local indent-line-function 'c-indent-line)
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(setq-local syntax-propertize-function
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(syntax-propertize-rules
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;; Line comments starting with //
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("\\(//\\)\\(?:[^\n]*\\)" (1 "<")))))
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;;;###autoload
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(add-to-list 'auto-mode-alist '("\\.zre\\'" . zre-mode))
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(provide 'zre-mode)
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;;; zre-mode.el ends here
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118
ztl-mode.el
118
ztl-mode.el
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@ -1,118 +0,0 @@
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;;; ztl-mode.el --- Major mode for editing Ztl code -*- lexical-binding: t; -*-
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;;
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;; Licensed under the GPLv3 License.
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(defvar ztl-keywords
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'("fn" "to" "in" "is" "as" "use" "set" "if" "else"
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"for" "loop" "concurrent" "while" "do" "exits" "exit"
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"return" "const" "type" "this" "panic" "yield"
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"break" "mod" "not" "and" "or" "print" "let")
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"Keywords in Ztl.")
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(defvar ztl-types
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'("byte" "str" "real" "bool" "err" "any")
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"Types in Ztl.")
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(defvar ztl-constants
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'("true" "false" "nil")
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"Constants in Ztl.")
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(defvar ztl-font-lock-keywords
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`(
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;; Keywords
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(,(regexp-opt ztl-keywords 'words) . font-lock-keyword-face)
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;; Types
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(,(regexp-opt ztl-types 'words) . font-lock-type-face)
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;; Constants
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(,(regexp-opt ztl-constants 'words) . font-lock-constant-face)
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;; Structs: CamelCase identifiers
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("\\b[A-Z][a-zA-Z0-9_]*\\b" . font-lock-type-face)
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;; Function definitions: "fn name(...)"
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("\\_<fn\\>\\s-+\\(\\w+\\)(" (1 font-lock-function-name-face))
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;; Function calls: "name(...)"
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("\\_<\\([a-zA-Z_][a-zA-Z0-9_]*\\)\\s-*(" (1 font-lock-function-name-face))
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;; Floating point numbers
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("\\b-?[0-9]+\\.[0-9]+\\b" . font-lock-constant-face)
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;; Integers
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("\\b-?[0-9]+\\b" . font-lock-constant-face)
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;; Strings with double quotes
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("\"[^\"\n]*\"" . font-lock-string-face)
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;; Strings with backticks
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("`[^`]*`" . font-lock-string-face))
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"Font lock keywords for Ztl mode.")
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(defvar ztl-mode-syntax-table
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(let ((st (make-syntax-table)))
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;; C++-style comments
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(modify-syntax-entry ?/ ". 14b" st)
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;; C-style comments
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(modify-syntax-entry ?* ". 23" st)
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;; Strings
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(modify-syntax-entry ?\" "\"" st)
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(modify-syntax-entry ?` "\"" st)
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st)
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"Syntax table for Ztl mode.")
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(defun ztl-indent-line ()
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"Indent current line as Ztl code."
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(interactive)
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(let ((indent (calculate-ztl-indent)))
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(if (null indent)
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(setq indent 0))
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(indent-line-to indent)))
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(defun calculate-ztl-indent ()
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"Calculate the proper indentation for the current line."
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(save-excursion
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(beginning-of-line)
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(let ((pos (point-marker))
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(indent 0))
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(skip-chars-forward " \t")
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(if (looking-at "\\s)\\|\\s(")
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(setq indent 0)
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(condition-case nil
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(progn
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(backward-up-list 1)
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(while (and (> (point) (point-min))
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(progn
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(forward-line -1)
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(skip-chars-forward " \t")
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(or (looking-at "\\s<") ; comment
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(looking-at "\\s\"") ; string
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(looking-at "\\s$")))) ; skip to previous line
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nil)
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(setq indent (current-indentation))
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(forward-line 0)
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(skip-chars-forward " \t")
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(if (looking-at "\\s(") ; opening brace
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(setq indent (+ indent tab-width))))
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(error nil)))
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indent)))
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(define-derived-mode ztl-mode prog-mode "Ztl"
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"Major mode for editing Ztl code."
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:syntax-table ztl-mode-syntax-table
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(setq-local font-lock-defaults '(ztl-font-lock-keywords))
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(setq-local comment-start "// ")
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(setq-local comment-end "")
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(setq-local parse-sexp-ignore-comments t)
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(setq-local indent-line-function 'ztl-indent-line)
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(setq-local syntax-propertize-function
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(syntax-propertize-rules
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;; Line comments starting with //
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("\\(//\\)\\(?:[^\n]*\\)" (1 "<")))))
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;;;###autoload
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(add-to-list 'auto-mode-alist '("\\.ztl\\'" . ztl-mode))
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(provide 'ztl-mode)
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;;; ztl-mode.el ends here
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