Class: SyntaxTree::YARV::OptRegExpMatch2
Overview
### Summary
‘opt_regexpmatch2` is a specialization of the `opt_send_without_block` instruction that occurs when the `=~` operator is used. It pops both the receiver and the argument off the stack and pushes on the result.
### Usage
~~~ruby /a/ =~ “a” ~~~
Instance Attribute Summary collapse
Instance Method Summary
collapse
Methods inherited from Instruction
#branch_targets, #falls_through?, #leaves?, #side_effects?
Constructor Details
Returns a new instance of OptRegExpMatch2.
4106
4107
4108
|
# File 'lib/syntax_tree/yarv/instructions.rb', line 4106
def initialize(calldata)
@calldata = calldata
end
|
Instance Attribute Details
#calldata ⇒ Object
Returns the value of attribute calldata.
4104
4105
4106
|
# File 'lib/syntax_tree/yarv/instructions.rb', line 4104
def calldata
@calldata
end
|
Instance Method Details
#==(other) ⇒ Object
4122
4123
4124
|
# File 'lib/syntax_tree/yarv/instructions.rb', line 4122
def ==(other)
other.is_a?(OptRegExpMatch2) && other.calldata == calldata
end
|
#call(vm) ⇒ Object
4142
4143
4144
|
# File 'lib/syntax_tree/yarv/instructions.rb', line 4142
def call(vm)
canonical.call(vm)
end
|
#canonical ⇒ Object
4138
4139
4140
|
# File 'lib/syntax_tree/yarv/instructions.rb', line 4138
def canonical
Send.new(calldata, nil)
end
|
#deconstruct_keys(_keys) ⇒ Object
4118
4119
4120
|
# File 'lib/syntax_tree/yarv/instructions.rb', line 4118
def deconstruct_keys(_keys)
{ calldata: calldata }
end
|
#disasm(fmt) ⇒ Object
4110
4111
4112
|
# File 'lib/syntax_tree/yarv/instructions.rb', line 4110
def disasm(fmt)
fmt.instruction("opt_regexpmatch2", [fmt.calldata(calldata)])
end
|
#length ⇒ Object
4126
4127
4128
|
# File 'lib/syntax_tree/yarv/instructions.rb', line 4126
def length
2
end
|
#pops ⇒ Object
4130
4131
4132
|
# File 'lib/syntax_tree/yarv/instructions.rb', line 4130
def pops
2
end
|
#pushes ⇒ Object
4134
4135
4136
|
# File 'lib/syntax_tree/yarv/instructions.rb', line 4134
def pushes
1
end
|
#to_a(_iseq) ⇒ Object
4114
4115
4116
|
# File 'lib/syntax_tree/yarv/instructions.rb', line 4114
def to_a(_iseq)
[:opt_regexpmatch2, calldata.to_h]
end
|