Class: SyntaxTree::YARV::InvokeBlock
- Inherits:
-
Instruction
- Object
- Instruction
- SyntaxTree::YARV::InvokeBlock
- Defined in:
- lib/syntax_tree/yarv/instructions.rb
Overview
### Summary
‘invokeblock` invokes the block given to the current method. It pops the arguments for the block off the stack and pushes the result of running the block onto the stack.
### Usage
~~~ruby def foo
yield
end ~~~
Instance Attribute Summary collapse
-
#calldata ⇒ Object
readonly
Returns the value of attribute calldata.
Instance Method Summary collapse
- #==(other) ⇒ Object
- #call(vm) ⇒ Object
- #deconstruct_keys(_keys) ⇒ Object
- #disasm(fmt) ⇒ Object
-
#initialize(calldata) ⇒ InvokeBlock
constructor
A new instance of InvokeBlock.
- #length ⇒ Object
- #pops ⇒ Object
- #pushes ⇒ Object
- #to_a(_iseq) ⇒ Object
Methods inherited from Instruction
#branch_targets, #canonical, #falls_through?, #leaves?, #side_effects?
Constructor Details
#initialize(calldata) ⇒ InvokeBlock
Returns a new instance of InvokeBlock.
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# File 'lib/syntax_tree/yarv/instructions.rb', line 2089 def initialize(calldata) @calldata = calldata end |
Instance Attribute Details
#calldata ⇒ Object (readonly)
Returns the value of attribute calldata.
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# File 'lib/syntax_tree/yarv/instructions.rb', line 2087 def calldata @calldata end |
Instance Method Details
#==(other) ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 2105 def ==(other) other.is_a?(InvokeBlock) && other.calldata == calldata end |
#call(vm) ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 2121 def call(vm) vm.push(vm.frame_yield.block.call(*vm.pop(calldata.argc))) end |
#deconstruct_keys(_keys) ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 2101 def deconstruct_keys(_keys) { calldata: calldata } end |
#disasm(fmt) ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 2093 def disasm(fmt) fmt.instruction("invokeblock", [fmt.calldata(calldata)]) end |
#length ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 2109 def length 2 end |
#pops ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 2113 def pops calldata.argc end |
#pushes ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 2117 def pushes 1 end |
#to_a(_iseq) ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 2097 def to_a(_iseq) [:invokeblock, calldata.to_h] end |