diff options
| -rw-r--r-- | mrblib/print.rb | 117 |
1 files changed, 61 insertions, 56 deletions
diff --git a/mrblib/print.rb b/mrblib/print.rb index c4ce74d6b..dea088e2b 100644 --- a/mrblib/print.rb +++ b/mrblib/print.rb @@ -3,71 +3,76 @@ # # ISO 15.3.1 module Kernel + unless Kernel.respond_to?(:__printstr__) + def print(*a) + raise NotImplementedError.new('print not available') + end + def puts(*a) + raise NotImplementedError.new('puts not available') + end + def p(*a) + raise NotImplementedError.new('p not available') + end + def printf(*args) + raise NotImplementedError.new('printf not available') + end + else + unless Kernel.respond_to?(:sprintf) + def printf(*args) + raise NotImplementedError.new('printf not available') + end + def sprintf(*args) + raise NotImplementedError.new('sprintf not available') + end + end - ## - # Invoke method +print+ on STDOUT and passing +*args+ - # - # ISO 15.3.1.2.10 - def print(*args) - i = 0 - len = args.size - while i < len - __printstr__ args[i].to_s - i += 1 + + ## + # Invoke method +print+ on STDOUT and passing +*args+ + # + # ISO 15.3.1.2.10 + def print(*args) + i = 0 + len = args.size + while i < len + __printstr__ args[i].to_s + i += 1 + end end - end - ## - # Invoke method +puts+ on STDOUT and passing +*args*+ - # - # ISO 15.3.1.2.11 - def puts(*args) - i = 0 - len = args.size - while i < len - __printstr__ args[i].to_s - __printstr__ "\n" - i += 1 + ## + # Invoke method +puts+ on STDOUT and passing +*args*+ + # + # ISO 15.3.1.2.11 + def puts(*args) + i = 0 + len = args.size + while i < len + __printstr__ args[i].to_s + __printstr__ "\n" + i += 1 + end + __printstr__ "\n" if len == 0 + nil end - __printstr__ "\n" if len == 0 - nil - end - ## - # Print human readable object description - # - # ISO 15.3.1.3.34 - def p(*args) - i = 0 - len = args.size - while i < len - __printstr__ args[i].inspect - __printstr__ "\n" - i += 1 + ## + # Print human readable object description + # + # ISO 15.3.1.3.34 + def p(*args) + i = 0 + len = args.size + while i < len + __printstr__ args[i].inspect + __printstr__ "\n" + i += 1 + end + args[0] end - args[0] - end - ## - # Invoke method +sprintf+ and pass +*args+ to it. - # Pass return value to +print+ of STDOUT. - if Kernel.respond_to?(:sprintf) and Kernel.respond_to?(:__printstr__) def printf(*args) __printstr__(sprintf(*args)) end - else - def printf(*args) - raise NotImplementedError.new('printf not available') - end - end - - ## - # +sprintf+ is defined in +src/sprintf.c+ - # This stub method is only to inform the user - # that +sprintf+ isn't implemented. - unless Kernel.respond_to?(:sprintf) - def sprintf(*args) - raise NotImplementedError.new('sprintf not available') - end end end |