.

lua-temp/tyche-as.lua

@@ -0,0 +1,62 @@
+----------------------
+--                  --
+--      PARSER      --
+--                  --
+----------------------
+
+local function assemble(source)
+    local proto = {
+        constants = {},
+        functions = {},
+    }
+
+    local section = ''
+    local current_f_id = 0
+
+    for line in source:gmatch("([^\n]+)") do
+        local line = line:gsub("%s*;.*$", "")   -- remove comments
+        line = line:match("^%s*(.-)%s*$")       -- trim
+
+        if #line == 1 then goto continue end
+
+        if line == ".const" then
+            section = 'const'
+        elseif line:match("%.func%s+%d+") then
+            section = 'function'
+            local f_id = tonumber(line:match("%.func%s+(%d+)"))
+            proto.functions[f_id] = {}
+            current_f_id = f_id
+        elseif section == 'const' then
+            local k, v = line:match("^%s*(%d+)%s*:%s*(.+)$")
+            if v:sub(1, 1) == '"' then
+                proto.constants[tonumber(k)] = line:match('"(.*)"')
+            else
+                proto.constants[tonumber(k)] = tonumber(v)
+            end
+        elseif section == 'function' then
+            local inst, par = line:match("^%s*(%a+)%s+(%d+)%s*$")
+            if inst then
+                table.insert(proto.functions[current_f_id], { inst, tonumber(par) })
+            else
+                local inst = line:match("^%s*(%a+)%s*$")
+                table.insert(proto.functions[current_f_id], { inst })
+            end
+        end
+
+        ::continue::
+    end
+
+    return proto
+end
+
+----------------------
+--                  --
+--       MAIN       --
+--                  --
+----------------------
+
+if ... then
+    return assemble
+else
+    error("Running assembler directly not supported yet")
+end