add vscode syntax

editors/install_vscode-oss.sh

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+
+# make sure to run this in repository root directory
+
+rm -r ~/.vscode-oss/extensions/couch
+cp -r editors/vscode ~/.vscode-oss/extensions/couch
+

editors/install_vscode.sh

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+
+# make sure to run this in repository root directory
+
+rm -r ~/.vscode/extensions/couch
+cp -r editors/vscode ~/.vscode/extensions/couch
+

editors/vim/ftdetect/chl.vim

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+au BufRead,BufNewFile *.chl set filetype=chl

editors/vim/indent/chl.vim

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+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+    finish
+endif
+let b:did_indent = 1
+
+if (!has("cindent") || !has("eval"))
+    finish
+endif
+
+setlocal cindent
+
+" L0 -> 0 indent for jump labels (i.e. case statement in c).
+" j1 -> indenting for "javascript object declarations"
+" J1 -> see j1
+" w1 -> starting a new line with `(` at the same indent as `(`
+" m1 -> if `)` starts a line, match its indent with the first char of its
+"       matching `(` line
+" (s -> use one indent, when starting a new line after a trailing `(`
+setlocal cinoptions=L0,m1,(s,j1,J1,l1
+
+" cinkeys: controls what keys trigger indent formatting
+" 0{ -> {
+" 0} -> }
+" 0) -> )
+" 0] -> ]
+" !^F -> make CTRL-F (^F) reindent the current line when typed
+" o -> when <CR> or `o` is used
+" O -> when the `O` command is used
+setlocal cinkeys=0{,0},0),0],!^F,o,O

editors/vim/syntax/chl.vim

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+" Vim syntax file
+" Language: Couch Lang
+" Maintainer: Simon From Jakobsen
+" Latest Revision: 1 January 1970
+
+if exists("b:current_syntax")
+  finish
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+let s:chl_syntax_keywords = {
+    \   'chlConditional' :["if"
+    \ ,                     "else"
+    \ ,                     "match"
+    \ ,                    ]
+    \ , 'chlRepeat' :["while"
+    \ ,                "for"
+    \ ,               ]
+    \ , 'chlExecution' :["return"
+    \ ,                   "break"
+    \ ,                   "continue"
+    \ ,                  ]
+    \ , 'chlBoolean' :["true"
+    \ ,                 "false"
+    \ ,                ]
+    \ , 'chlKeyword' :["fn"
+    \ ,                ]
+    \ , 'chlWordOperator' :["not"
+    \ ,                      "and"
+    \ ,                      "or"
+    \ ,                      "as"
+    \ ,                      "in"
+    \ ,                     ]
+    \ , 'chlVarDecl' :["mut"
+    \ ,                 "let"
+    \ ,                ]
+    \ , }
+
+function! s:syntax_keyword(dict)
+  for key in keys(a:dict)
+    execute 'syntax keyword' key join(a:dict[key], ' ')
+  endfor
+endfunction
+
+call s:syntax_keyword(s:chl_syntax_keywords)
+
+syntax match chlDecNumber display   "\v<\d%(_?\d)*"
+syntax match chlHexNumber display "\v<0x\x%(_?\x)*"
+
+syntax match chlFatArrowOperator display "\V=>"
+syntax match chlRangeOperator display "\V.."
+syntax match chlOperator display "\V\[-+/*=^&?|!><%~:;,]"
+
+syntax match chlFunction /\w\+\s*(/me=e-1,he=e-1
+
+syntax region chlBlock start="{" end="}" transparent fold
+
+syntax region chlCommentLine start="//" end="$" contains=chlTodo
+syntax region chlCommentBlock matchgroup=chlCommentBlock start="/\*\%(!\|\*[*/]\@!\)\@!" end="\*/" contains=chlTodo,chlCommentBlockNest
+syntax region chlCommentBlockNest matchgroup=chlCommentBlock start="/\*" end="\*/" contains=chlTodo,chlCommentBlockNest contained transparent
+syntax keyword chlTodo contained TODO FIXME XXX NB NOTE SAFETY
+
+syntax region chlString matchgroup=chlStringDelimiter start=+"+ skip=+\\\\\|\\"+ end=+"+ oneline contains=chlEscape
+syntax match chlEscape display contained /\\./
+
+
+
+highlight default link chlDecNumber chlNumber
+highlight default link chlHexNumber chlNumber
+
+highlight default link chlWordOperator chlOperator
+highlight default link chlFatArrowOperator chlOperator
+highlight default link chlRangeOperator chlOperator
+
+highlight default link chlKeyword Keyword
+highlight default link chlCommentLine Comment
+highlight default link chlCommentBlock Comment
+highlight default link chlString String
+highlight default link chlStringDelimiter String
+highlight default link chlChar String
+highlight default link chlCharDelimiter String
+highlight default link chlEscape Special
+highlight default link chlBoolean Boolean
+highlight default link chlConstant Constant
+highlight default link chlNumber Number
+highlight default link chlOperator Operator
+highlight default link chlStructure Structure
+highlight default link chlExecution Keyword
+highlight default link chlConditional Conditional
+highlight default link chlRepeat Repeat
+highlight default link chlVarDecl Define
+highlight default link chlFunction Function
+
+delfunction s:syntax_keyword
+
+let b:current_syntax = "chl"
+
+let &cpo = s:cpo_save
+unlet! s:cpo_save
+

editors/vscode/.vscode/launch.json

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+// A launch configuration that launches the extension inside a new window
+// Use IntelliSense to learn about possible attributes.
+// Hover to view descriptions of existing attributes.
+// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+{
+	"version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Extension",
+            "type": "extensionHost",
+            "request": "launch",
+            "args": [
+                "--extensionDevelopmentPath=${workspaceFolder}"
+            ]
+        }
+    ]
+}

editors/vscode/.vscodeignore

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+.vscode/**
+.vscode-test/**
+.gitignore
+vsc-extension-quickstart.md

editors/vscode/CHANGELOG.md

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+# Change Log
+
+All notable changes to the "couch" extension will be documented in this file.
+
+Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
+
+## [Unreleased]
+
+- Initial release

editors/vscode/README.md

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+# couch README
+
+This is the README for your extension "couch". After writing up a brief description, we recommend including the following sections.
+
+## Features
+
+Describe specific features of your extension including screenshots of your extension in action. Image paths are relative to this README file.
+
+For example if there is an image subfolder under your extension project workspace:
+
+\!\[feature X\]\(images/feature-x.png\)
+
+> Tip: Many popular extensions utilize animations. This is an excellent way to show off your extension! We recommend short, focused animations that are easy to follow.
+
+## Requirements
+
+If you have any requirements or dependencies, add a section describing those and how to install and configure them.
+
+## Extension Settings
+
+Include if your extension adds any VS Code settings through the `contributes.configuration` extension point.
+
+For example:
+
+This extension contributes the following settings:
+
+* `myExtension.enable`: Enable/disable this extension.
+* `myExtension.thing`: Set to `blah` to do something.
+
+## Known Issues
+
+Calling out known issues can help limit users opening duplicate issues against your extension.
+
+## Release Notes
+
+Users appreciate release notes as you update your extension.
+
+### 1.0.0
+
+Initial release of ...
+
+### 1.0.1
+
+Fixed issue #.
+
+### 1.1.0
+
+Added features X, Y, and Z.
+
+---
+
+## Working with Markdown
+
+You can author your README using Visual Studio Code. Here are some useful editor keyboard shortcuts:
+
+* Split the editor (`Cmd+\` on macOS or `Ctrl+\` on Windows and Linux).
+* Toggle preview (`Shift+Cmd+V` on macOS or `Shift+Ctrl+V` on Windows and Linux).
+* Press `Ctrl+Space` (Windows, Linux, macOS) to see a list of Markdown snippets.
+
+## For more information
+
+* [Visual Studio Code's Markdown Support](http://code.visualstudio.com/docs/languages/markdown)
+* [Markdown Syntax Reference](https://help.github.com/articles/markdown-basics/)
+
+**Enjoy!**

editors/vscode/language-configuration.json

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+{
+    "comments": {
+        // symbol used for single line comment. Remove this entry if your language does not support line comments
+        "lineComment": "//",
+        // symbols used for start and end a block comment. Remove this entry if your language does not support block comments
+        "blockComment": [ "/*", "*/" ]
+    },
+    // symbols used as brackets
+    "brackets": [
+        ["{", "}"],
+        ["[", "]"],
+        ["(", ")"]
+    ],
+    // symbols that are auto closed when typing
+    "autoClosingPairs": [
+        ["{", "}"],
+        ["[", "]"],
+        ["(", ")"],
+        ["\"", "\""],
+        ["'", "'"]
+    ],
+    // symbols that can be used to surround a selection
+    "surroundingPairs": [
+        ["{", "}"],
+        ["[", "]"],
+        ["(", ")"],
+        ["\"", "\""],
+        ["'", "'"]
+    ]
+}

editors/vscode/package.json

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+{
+  "name": "couch",
+  "displayName": "couch",
+  "description": "Based programming language",
+  "version": "0.0.1",
+  "engines": {
+    "vscode": "^1.76.0"
+  },
+  "categories": [
+    "Programming Languages"
+  ],
+  "contributes": {
+    "languages": [{
+      "id": "couch",
+      "aliases": ["couch", "couch"],
+      "extensions": [".chl"],
+      "configuration": "./language-configuration.json"
+    }],
+    "grammars": [{
+      "language": "couch",
+      "scopeName": "source.chl",
+      "path": "./syntaxes/couch.tmLanguage.json"
+    }]
+  }
+}

editors/vscode/syntaxes/couch.tmLanguage.json

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+{
+	"$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
+	"name": "couch",
+	"patterns": [
+		{
+		    "include": "#comments"
+		},
+		{
+			"include": "#keywords"
+		},
+		{
+			"include": "#numbers"
+		},
+		{
+			"include": "#strings"
+		},
+		{
+			"include": "#entity"
+		},
+		{
+		    "include": "#constants"
+		},
+		{
+			"include": "#operator"
+		},
+		{
+			"include": "#punctuation"
+		},
+		{
+			"include": "#variable"
+		}
+	],
+	"repository": {
+		"comments": {
+			"patterns": [
+				{
+					"name": "comment.line.dansk",
+					"begin": "//",
+					"end": "\\n"
+				},
+				{
+					"name": "comment.block.dansk",
+					"begin": "/\\*",
+					"end": "\\*/"
+				}
+			]
+		},
+		"numbers": {
+			"patterns": [{
+				"name": "constant.numeric.couch",
+				"match": "\\b0|[1-9][0-9]*(\\.[0-9]+)?\\b"
+			}]
+		},
+		"keywords": {
+			"patterns": [{
+				"name": "keyword.control.couch",
+				"match": "\\b(if|else|match|while|for|return|break|continue|fn|not|and|or|as|in|mut|let)\\b"
+			}]
+		},
+		"strings": {
+			"name": "string.quoted.double.couch",
+			"begin": "\"",
+			"end": "\"",
+			"patterns": [
+				{
+					"name": "constant.character.escape.couch",
+					"match": "\\\\."
+				}
+			]
+		},
+		"entity": {
+            "patterns": [
+                {
+                    "match": "(?>[a-zA-Z_](\\w+)?)\\s*(?=(?>\\:\\:<.*?>)?\\()",
+                    "name": "entity.name.function.couch"
+                },
+                {
+                    "match": "(?<=funktion\\s+)(?>[a-zA-Z_](\\w+)?)\\s*(?=(?><.*?>)?\\()",
+                    "name": "entity.name.function.couch"
+                }
+            ]
+        },
+		"constants": {
+			"patterns": [{
+				"name": "constant.language.couch",
+				"match": "\\b(false|true)\\b"
+			}]
+		},
+		"operator": {
+            "patterns": [
+                {
+                    "match": "\\+=|-=|!=|<=|(?!\\-)>=|==|<|>|=|%|/|\\-(?!>)|\\+|\\.(?!\\.)",
+                    "name": "keyword.operator.couch"
+                },
+				{
+					"match": "->|:|;|::",
+					"name": "keyword.operator.couch"
+				}
+            ]
+        },
+		"punctuation": {
+            "patterns": [
+                {
+                    "match": ";",
+                    "name": "punctuation.terminator.statement.couch"
+                },
+                {
+                    "match": ",",
+                    "name": "punctuation.separator.delimiter.couch"
+                }
+            ]
+        },
+		"variable": {
+            "patterns": [
+                {
+                    "match": "(?>[a-z_]\\w*)\\s*(?=\\=)",
+                    "name": "variable.other.assign.couch"
+                },
+                {
+                    "match": "(?>[a-z_]\\w*)",
+                    "name": "variable.other.couch"
+                }
+            ]
+        }
+	},
+	"scopeName": "source.chl"
+}

editors/vscode/vsc-extension-quickstart.md

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+# Welcome to your VS Code Extension
+
+## What's in the folder
+
+* This folder contains all of the files necessary for your extension.
+* `package.json` - this is the manifest file in which you declare your language support and define the location of the grammar file that has been copied into your extension.
+* `syntaxes/couch.tmLanguage.json` - this is the Text mate grammar file that is used for tokenization.
+* `language-configuration.json` - this is the language configuration, defining the tokens that are used for comments and brackets.
+
+## Get up and running straight away
+
+* Make sure the language configuration settings in `language-configuration.json` are accurate.
+* Press `F5` to open a new window with your extension loaded.
+* Create a new file with a file name suffix matching your language.
+* Verify that syntax highlighting works and that the language configuration settings are working.
+
+## Make changes
+
+* You can relaunch the extension from the debug toolbar after making changes to the files listed above.
+* You can also reload (`Ctrl+R` or `Cmd+R` on Mac) the VS Code window with your extension to load your changes.
+
+## Add more language features
+
+* To add features such as IntelliSense, hovers and validators check out the VS Code extenders documentation at https://code.visualstudio.com/docs
+
+## Install your extension
+
+* To start using your extension with Visual Studio Code copy it into the `<user home>/.vscode/extensions` folder and restart Code.
+* To share your extension with the world, read on https://code.visualstudio.com/docs about publishing an extension.

test.chl

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+let a = 5;
+
+if 1 == 0 and true {
+    return true;
+}
+
+// safadkjasda
+
+/*
+sdasd
+*/
+