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Code Issues Releases Wiki Activity

Create helper functions

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Mike Long
2012-04-21 09:48:11 +01:00
parent 3c8beeaa58
commit c505d084ea
2 changed files with 311 additions and 526 deletions
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117
fakegen.rb
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@@ -18,22 +18,67 @@ def output_constants
puts "#endif"
end
def output_macro(args, is_value_function)
# ------ Helper macros to use internally ------ #
def output_internal_helper_macros
puts "/* -- INTERNAL HELPER MACROS -- */"
define_return_sequence_helper
define_reset_fake_helper
define_declare_arg_helper
define_declare_all_func_common
puts "/* -- END INTERNAL HELPER MACROS -- */"
end
def define_return_sequence_helper
puts "#define SET_RETURN_SEQ( FUNCNAME, ARRAY_POINTER, ARRAY_LEN) \\"
puts " FUNCNAME##_return_val_seq = ARRAY_POINTER; \\"
puts " FUNCNAME##_return_val_seq_len = ARRAY_LEN;"
end
def define_reset_fake_helper
puts ""
puts "/* Defining a function to reset a fake function */"
puts "#define RESET_FAKE(FUNCNAME) { \\"
puts " FUNCNAME##_reset(); \\"
puts "} \\"
puts ""
end
def define_declare_arg_helper
puts ""
puts "#define DECLARE_ARG(type, argN, FUNCNAME) \\"
puts " static type FUNCNAME##_arg##argN##_val; \\"
puts " static type FUNCNAME##_arg##argN##_history[FFF_ARG_HISTORY_LEN];"
#puts "type arg##n##_val; \\"
#puts "type arg##n##_history[FFF_ARG_HISTORY_LEN];"
end
def define_declare_all_func_common
puts ""
puts "#define DECLARE_ALL_FUNC_COMMON(FUNCNAME) \\"
puts " static unsigned int FUNCNAME##_call_count = 0; \\"
puts " static unsigned int FUNCNAME##_arg_history_len = FFF_ARG_HISTORY_LEN;\\"
puts " static unsigned int FUNCNAME##_arg_histories_dropped = 0;"
end
# ------ End Helper macros ------ #
def output_macro(arg_count, is_value_function)
macro_name_preamble = is_value_function ? "FAKE_VALUE_FUNC" : "FAKE_VOID_FUNC";
macro_name = "#{macro_name_preamble}#{args}"
macro_name = "#{macro_name_preamble}#{arg_count}"
return_type = is_value_function ? "RETURN_TYPE" : ""
output_macro_header(macro_name, args, return_type)
output_macro_header(macro_name, arg_count, return_type)
extern_c { # define argument capture variables
output_variables(args, is_value_function)
output_function_signature(args, is_value_function)
output_variables(arg_count, is_value_function)
output_function_signature(arg_count, is_value_function)
puts "{ \\"
output_function_body(args, is_value_function)
output_function_body(arg_count, is_value_function)
puts " } \\"
output_reset_function(args, is_value_function)
output_reset_function(arg_count, is_value_function)
}
puts "STATIC_INIT(FUNCNAME) \\" if $cpp_output
puts ""
@@ -73,45 +118,48 @@ static StaticInitializer_##FUNCNAME staticInitializer_##FUNCNAME; \\
MY_STATIC_INITIALIZER
end
def output_macro_header(macro_name, args, return_type)
def output_macro_header(macro_name, arg_count, return_type)
puts ""
output_macro_name(macro_name, args, return_type)
output_macro_name(macro_name, arg_count, return_type)
end
def output_macro_name(macro_name, args, return_type)
def output_macro_name(macro_name, arg_count, return_type)
parameter_list = return_type
if return_type == ""
puts "/* Defining a void function with #{args} parameters*/"
puts "/* Defining a void function with #{arg_count} parameters*/"
else
puts "/* Defining a function returning a value with #{args} parameters*/"
puts "/* Defining a function returning a value with #{arg_count} parameters*/"
parameter_list += ", "
end
parameter_list += "FUNCNAME"
print "#define #{macro_name}(" + parameter_list
args.times { |i| print ", ARG#{i}_TYPE" }
arg_count.times { |i| print ", ARG#{i}_TYPE" }
puts ") \\"
end
def output_argument_capture_variables(i)
# last argument
puts " static ARG#{i}_TYPE FUNCNAME##_arg#{i}_val; \\"
# argument history array
puts " static ARG#{i}_TYPE FUNCNAME##_arg#{i}_history[FFF_ARG_HISTORY_LEN];\\"
def output_argument_capture_variables(argN)
puts " DECLARE_ARG(ARG#{argN}_TYPE, #{argN}, FUNCNAME) \\"
end
def output_declare_capture_variable
end
def output_variables_for_value_function
puts " static RETURN_TYPE FUNCNAME##_return_val; \\"
puts " static int FUNCNAME##_return_val_seq_len = 0; \\"
puts " static int FUNCNAME##_return_val_seq_idx = 0; \\"
puts " static RETURN_TYPE * FUNCNAME##_return_val_seq = 0; \\"
end
def output_variables(arg_count, is_value_function)
arg_count.times { |i| output_argument_capture_variables(i) }
puts " static RETURN_TYPE FUNCNAME##_return_val; \\" unless not is_value_function
puts " static int FUNCNAME##_return_val_seq_len = 0; \\" unless not is_value_function
puts " static int FUNCNAME##_return_val_seq_idx = 0; \\" unless not is_value_function
puts " static RETURN_TYPE * FUNCNAME##_return_val_seq = 0; \\" unless not is_value_function
puts " static unsigned int FUNCNAME##_call_count = 0; \\"
puts " static unsigned int FUNCNAME##_arg_history_len = FFF_ARG_HISTORY_LEN;\\"
puts " static unsigned int FUNCNAME##_arg_histories_dropped = 0; \\"
output_variables_for_value_function unless not is_value_function
puts " DECLARE_ALL_FUNC_COMMON(FUNCNAME) \\"
end
def output_function_signature(args_count, is_value_function)
@@ -180,14 +228,7 @@ def output_reset_function(arg_count, is_value_function)
puts " } \\"
end
def define_reset_fake
puts ""
puts "/* Defining a function to reset a fake function */"
puts "#define RESET_FAKE(FUNCNAME) { \\"
puts " FUNCNAME##_reset(); \\"
puts "} \\"
puts ""
end
def define_call_history
puts "static void * call_history[FFF_CALL_HISTORY_LEN];"
@@ -200,11 +241,7 @@ def define_call_history
puts " if(call_history_idx < FFF_CALL_HISTORY_LEN) call_history[call_history_idx++] = (void *)function;"
end
def define_return_sequence
puts "#define SET_RETURN_SEQ( FUNCNAME, ARRAY_POINTER, ARRAY_LEN) \\"
puts " FUNCNAME##_return_val_seq = ARRAY_POINTER; \\"
puts " FUNCNAME##_return_val_seq_len = ARRAY_LEN;"
end
def extern_c
puts "extern \"C\"{ \\" unless !$cpp_output
@@ -276,7 +313,7 @@ def output_c_and_cpp
include_guard {
output_constants
define_reset_fake
output_internal_helper_macros
puts "#ifdef __cplusplus"
$cpp_output = true
@@ -295,7 +332,7 @@ end
# lets generate!!
output_c_and_cpp{
define_call_history
define_return_sequence
output_cpp_reset_code if $cpp_output
output_cpp_static_initializer if $cpp_output
$MAX_ARGS.times {|arg_count| output_macro(arg_count, false)}