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require 'vtparse_tables'
class String
def pad(len)
self << (" " * (len - self.length))
end
end
File.open("vtparse_table.h", "w") { |f|
f.puts "typedef enum {"
$states_in_order.each_with_index { |state, i|
f.puts " VTPARSE_STATE_#{state.to_s.upcase} = #{i},"
}
f.puts "} vtparse_state_t;"
f.puts
f.puts "typedef enum {"
$actions_in_order.each_with_index { |action, i|
f.puts " VTPARSE_ACTION_#{action.to_s.upcase} = #{i+1},"
}
f.puts "} vtparse_action_t;"
f.puts
f.puts "typedef unsigned char state_change_t;"
f.puts "extern state_change_t STATE_TABLE[#{$states_in_order.length}][256];"
f.puts "extern vtparse_action_t ENTRY_ACTIONS[#{$states_in_order.length}];"
f.puts "extern vtparse_action_t EXIT_ACTIONS[#{$states_in_order.length}];"
f.puts "extern char *ACTION_NAMES[#{$actions_in_order.length+1}];"
f.puts "extern char *STATE_NAMES[#{$states_in_order.length}];"
f.puts
}
puts "Wrote vtparse_table.h"
File.open("vtparse_table.c", "w") { |f|
f.puts
f.puts '#include "vtparse_table.h"'
f.puts
f.puts "char *ACTION_NAMES[] = {"
f.puts " \"<no action>\","
$actions_in_order.each { |action|
f.puts " \"#{action.to_s.upcase}\","
}
f.puts "};"
f.puts
f.puts "char *STATE_NAMES[] = {"
$states_in_order.each { |state|
f.puts " \"#{state.to_s}\","
}
f.puts "};"
f.puts
f.puts "state_change_t STATE_TABLE[#{$states_in_order.length}][256] = {"
$states_in_order.each { |state|
f.puts " { /* VTPARSE_STATE_#{state.to_s.upcase} */"
$state_tables[state].each_with_index { |state_change, i|
if not state_change
f.puts " 0,"
else
(action,) = state_change.find_all { |s| s.kind_of?(Symbol) }
(state,) = state_change.find_all { |s| s.kind_of?(StateTransition) }
action_str = action ? "VTPARSE_ACTION_#{action.to_s.upcase}" : "0"
state_str = state ? "VTPARSE_STATE_#{state.to_state.to_s}" : "0"
f.puts "/*#{i.to_s.pad(3)}*/ #{action_str.pad(33)} | (#{state_str.pad(33)} << 4),"
end
}
f.puts " },"
}
f.puts "};"
f.puts
f.puts "vtparse_action_t ENTRY_ACTIONS[] = {"
$states_in_order.each { |state|
actions = $states[state]
if actions[:on_entry]
f.puts " VTPARSE_ACTION_#{actions[:on_entry].to_s.upcase}, /* #{state} */"
else
f.puts " 0 /* none for #{state} */,"
end
}
f.puts "};"
f.puts
f.puts "vtparse_action_t EXIT_ACTIONS[] = {"
$states_in_order.each { |state|
actions = $states[state]
if actions[:on_exit]
f.puts " VTPARSE_ACTION_#{actions[:on_exit].to_s.upcase}, /* #{state} */"
else
f.puts " 0 /* none for #{state} */,"
end
}
f.puts "};"
f.puts
}
puts "Wrote vtparse_table.c"
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