mighty

commit 6044e4593f6c5104a42deaf5b0b15742fb42409e
parent 6dbfc4900579c7acfac8f957193b6d4280c71ce1
Author: citbl <citbl@citbl.org>
Date:   Sun, 24 May 2026 13:50:53 +1000

ast start

Diffstat:
A
mtcl/ast.lua
 | 
33
+++++++++++++++++++++++++++++++++
M
mtcl/main.lua
 | 
3
+++
M
mtcl/parser.lua
 | 
20
++++++++++++++++++--

3 files changed, 54 insertions(+), 2 deletions(-)
diff --git a/mtcl/ast.lua b/mtcl/ast.lua
@@ -0,0 +1,33 @@
+local AST = { file = "", line = 0, col = 0 }
+
+function AST:program(body)
+	return {
+		kind = "program",
+		body = body,
+		file = self.file,
+		line = self.line,
+		col = self.col,
+	}
+end
+
+function AST:use(lib)
+	return {
+		kind = "use",
+		lib = lib,
+		file = self.file,
+		line = self.line,
+		col = self.col,
+	}
+end
+
+function AST:func(name, params, ret, body)
+	return {
+		kind = "func",
+		name = name,
+		params = params,
+		body = body,
+		file = self.file,
+		line = self.line,
+		col = self.col,
+	}
+end
diff --git a/mtcl/main.lua b/mtcl/main.lua
@@ -1,6 +1,7 @@
 -- comp
 
 local lexer = require("lexer")
+local parser = require("parser")
 
 local filename = arg[1] -- TODO check
 local file = io.open(filename, "rb")
@@ -9,3 +10,5 @@ local contents = file:read("*all")
 lexer:lex(filename, contents)
 
 print(#lexer.tokens .. " tokens")
+
+parser:parse(filename, contents, lexer.tokens)
diff --git a/mtcl/parser.lua b/mtcl/parser.lua
@@ -1,3 +1,19 @@
-local parser = {}
+local parser = { file, src, tokens }
 
-function parser:parse(filename, src, parser) end
+function parser:parse(file, src, tokens)
+	--
+	self.file = file
+	self.src = src
+	self.tokens = tokens
+
+	local i = 1
+
+	while i <= #tokens do
+		local t = tokens[i]
+		t2 = tokens[i + 1] or 0
+
+		i = i + 1
+	end
+end
+
+return parser