bootstrap compiler

src/types.lua

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+---@class Location
+---@field file string
+---@field line integer
+---@field column integer
+Location = {}
+
+function Location:new(file)
+	return setmetatable({file = file, column = 1, line = 1},{__index = self})
+end
+
+---@return Location
+function Location:clone()
+	return setmetatable({file = self.file, column = self.column, line = self.line}, getmetatable(self))
+end
+
+function Location:skip(chr)
+	for i=1,#chr do
+		self.column = self.column + 1
+		local c = chr:sub(i, i)
+		if c == '\n' then
+			self.column = 1
+			self.line = self.line + 1
+		end
+	end
+end
+
+function Location:format()
+	return self.file .. ":" .. self.line .. ":" .. self.column
+end
+
+---@class Token
+---@field kind string
+---@field content any
+---@field location Location
+Token = {}
+
+function Token:new(kind, content, location)
+	return setmetatable({
+		kind = kind,
+		content = content,
+		location = location
+	}, {__index = self})
+end
+
+---@class Error
+---@field location Location
+---@field message string
+---@field origin string
+Error = {}
+
+function Error:new(message,origin, location)
+	return setmetatable({
+		message = message,
+		origin = origin,
+		location = location
+	}, {__index = self})
+end
+
+function Error:format()
+	local capitalizedOrigin = self.origin:sub(1,1):upper() .. self.origin:sub(2):lower()
+	local locationString = self.location:format()
+
+	-- local msg = string.format("%s:%d %s", err.location.file, err.location.line, err.message)
+
+	return capitalizedOrigin .. " error: " .. locationString .. ": " .. self.message;
+	-- print("\x1b[31m" .. msg .. "\x1b[0m")
+end
+
+function Error:print()
+	print("\x1b[31m" .. self:format() .. "\x1b[0m")
+end
+
+---@class Node
+---@field kind string
+---@field content any
+---@field location Location
+Node = {}
+
+function Node:new(kind,content,location)
+	return setmetatable({
+		kind = kind,
+		content = content,
+		location = location,
+	}, {__index = self})
+end