Compile static initializers

Rakefile

@@ -39,11 +39,44 @@ end
 
 desc 'Convert previous stage language into the current stage language'
 task :convert do
-  File.open('boot/stage4.elna', 'w') do |current_stage|
-    li_value = nil
+  File.open('boot/stage8.elna', 'w') do |current_stage|
+    File.readlines('boot/stage7.elna').each do |line|
+      if line == ".section .bss\n"
+        current_stage << <<~SECTION
+          const
+          	symbol_builtin_name_int := "Int";
+          	symbol_builtin_name_word := "Word";
+          	symbol_builtin_name_pointer := "Pointer";
+          	symbol_builtin_name_char := "Char";
+          	symbol_builtin_name_bool := "Bool";
 
-    File.readlines('boot/stage3.elna').each do |line|
-      current_stage << line
+          	# Every type info starts with a word describing what type it is.
+		#
+		# PRIMITIVE_TYPE = 1
+		#
+          	# Primitive types have only type size.
+          	symbol_builtin_type_int := S(1, 4);
+          	symbol_builtin_type_word := S(1, 4);
+          	symbol_builtin_type_pointer := S(1, 4);
+          	symbol_builtin_type_char := S(1, 1);
+          	symbol_builtin_type_bool := S(1, 1);
+
+		# Info objects start with a word describing its type.
+		#
+		# INFO_TYPE = 1
+		#
+		# Type info has the type it belongs to.
+          	symbol_type_info_int := S(1, @symbol_builtin_type_int);
+          	symbol_type_info_word := S(1, @symbol_builtin_type_word);
+          	symbol_type_info_pointer := S(1, @symbol_builtin_type_pointer);
+          	symbol_type_info_char := S(1, @symbol_builtin_type_char);
+          	symbol_type_info_bool := S(1, @symbol_builtin_type_bool);
+        SECTION
+      elsif line == ".section .data\n"
+        current_stage << "var\n"
+      elsif !(line == ".section .text\n" || line == ".globl _start\n")
+        current_stage << line
+      end
     end
   end
 end