Feature #971: Reinstate RubyVM::InstructionSequence::load

• Status: Rejected
• Assignee: ko1 (Koichi Sasada)
• Target version: 1.9.2

[lobster_johnson (Alexander Staubo)]

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Currently the definition of the load method in iseq.c is commented out "because there is no verifier". The fact that InstructionSequence::compile.to_a has no assembling counterpart that can turn the serialized output back into an iseq object greatly restricts the usefulness InstructionSequence. For example, there is no way to disassemble a method, send it over the network and then assemble it again. The method should be re-enabled even though there is no verifier yet.
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[yugui (Yuki Sonoda)]

• Priority changed from 5 to Normal
• Target version changed from 1.9.1 RC2 to 2.0.0

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[lobster_johnson (Alexander Staubo)]

• File iseq.patch iseq.patch added

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Here's the patch that would make me happy.

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[ko1 (Koichi Sasada)]

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Alexander Staubo wrote::

Currently the definition of the load method in iseq.c is commented out "because there is no verifier". The fact that InstructionSequence::compile.to_a has no assembling counterpart that can turn the serialized output back into an iseq object greatly restricts the usefulness InstructionSequence. For example, there is no way to disassemble a method, send it over the network and then assemble it again. The method should be re-enabled even though there is no verifier yet.

You can write an extension in C with "ruby_iseq_load()".

Note that I can't guarantee the compatibility of bytecode set and
format. In fact, some instructions may changed in 1.9.2 because of lack
of functionality.

--
// SASADA Koichi at atdot dot net

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[ko1 (Koichi Sasada)]

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SASADA Koichi wrote::

You can write an extension in C with "ruby_iseq_load()".

...

Why "ruby_" instead of "rb_"? This function is for C Extension or ruby
core. Not for outside Ruby.

I think this API should be "rb_iseq_load()".

Nobu, do you know the reason?

--
// SASADA Koichi at atdot dot net

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[ko1 (Koichi Sasada)]

• Assignee set to ko1 (Koichi Sasada)
• Target version changed from 2.0.0 to 1.9.2

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[ko1 (Koichi Sasada)]

• Status changed from Open to Rejected

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