feat(next): naive lexer

next/.gitignore

@@ -1,2 +1,3 @@
 _build
-*.mo
+*.mo
+__pycache__

next/_ext/lexer.py

@@ -0,0 +1,32 @@
+from pygments.lexer import RegexLexer, words
+import pygments.token as token
+from sphinx.application import Sphinx
+from sphinx.util.typing import ExtensionMetadata
+
+def setup(app: Sphinx) -> ExtensionMetadata:
+    app.add_lexer("moonbit", MoonBitLexer)
+    app.add_lexer("mbt", MoonBitLexer)
+    return {
+        "version": "0.1.0",
+        "parallel_read_safe": True,
+        "parallel_write_safe": True,
+    }
+
+class MoonBitLexer(RegexLexer):
+    name = "MoonBit"
+
+    tokens = {
+        'root': [
+            (r"//.*$", token.Comment),
+            (words(('fn', 'if', 'else', 'while', 'for', 'loop', 'match', 'let', 'mut', 'trait', 'impl', 'with'), suffix="\s"), token.Keyword),
+            (words(('true', 'false'), suffix='\s'), token.Keyword),
+            (words(('Array', 'FixedArray', 'Int', 'Int64', 'UInt', 'UInt64', 'Option', 'Result', 'Byte', 'Bool'), suffix='\s'), token.Keyword),
+            (r"(=>)|(\|>)|(->)|[\(\)\{\}\[\]:,\.=+\-*/]", token.Punctuation),
+            (r"-?\d+(.\d+)?", token.Number),
+            (r"[a-zA-Z_][a-zA-Z0-9_]*", token.Name),
+            (r"\'.?\'", token.Literal),
+            (r"\"[^\"]*\"", token.String),
+            (r"#\|.*$", token.Text),
+            (r"[\s]", token.Whitespace),
+        ]
+    }

next/conf.py

@@ -14,7 +14,11 @@
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
 
-extensions = ['myst_parser']
+import sys
+from pathlib import Path
+sys.path.append(str(Path("_ext").resolve()))
+
+extensions = ['myst_parser', 'lexer']
 
 templates_path = ['_templates']
 exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store', ".env", "README"]

next/tutorial/tour.md

@@ -3,7 +3,7 @@
 This guide is intended for newcomers, and it's not meant to be a 5-minute quick tour. This article tries to be a succinct yet easy to understand guide
 for those who haven't programmed in a way that MoonBit enables them to, that is, in a more modern, functional way.
 
-See [the General Introduction](./README.md) if you want to straight delve into the language.
+See [the General Introduction](../language/index.md) if you want to straight delve into the language.
 
 ## Installation