Class: SyntaxTree::YARV::GetGlobal
- Inherits:
-
Instruction
- Object
- Instruction
- SyntaxTree::YARV::GetGlobal
- Defined in:
- lib/syntax_tree/yarv/instructions.rb
Overview
### Summary
‘getglobal` pushes the value of a global variables onto the stack.
### Usage
~~~ruby $$ ~~~
Instance Attribute Summary collapse
-
#name ⇒ Object
readonly
Returns the value of attribute name.
Instance Method Summary collapse
- #==(other) ⇒ Object
- #call(vm) ⇒ Object
- #deconstruct_keys(_keys) ⇒ Object
- #disasm(fmt) ⇒ Object
-
#initialize(name) ⇒ GetGlobal
constructor
A new instance of GetGlobal.
- #length ⇒ Object
- #pushes ⇒ Object
- #to_a(_iseq) ⇒ Object
Methods inherited from Instruction
#branch_targets, #canonical, #falls_through?, #leaves?, #pops, #side_effects?
Constructor Details
#initialize(name) ⇒ GetGlobal
Returns a new instance of GetGlobal.
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# File 'lib/syntax_tree/yarv/instructions.rb', line 1662 def initialize(name) @name = name end |
Instance Attribute Details
#name ⇒ Object (readonly)
Returns the value of attribute name.
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# File 'lib/syntax_tree/yarv/instructions.rb', line 1660 def name @name end |
Instance Method Details
#==(other) ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 1678 def ==(other) other.is_a?(GetGlobal) && other.name == name end |
#call(vm) ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 1690 def call(vm) # Evaluating the name of the global variable because there isn't a # reflection API for global variables. vm.push(eval(name.to_s, binding, __FILE__, __LINE__)) end |
#deconstruct_keys(_keys) ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 1674 def deconstruct_keys(_keys) { name: name } end |
#disasm(fmt) ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 1666 def disasm(fmt) fmt.instruction("getglobal", [fmt.object(name)]) end |
#length ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 1682 def length 2 end |
#pushes ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 1686 def pushes 1 end |
#to_a(_iseq) ⇒ Object
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# File 'lib/syntax_tree/yarv/instructions.rb', line 1670 def to_a(_iseq) [:getglobal, name] end |