Class: SyntaxTree::YARV::CallData

Inherits:
Object
  • Object
show all
Defined in:
lib/syntax_tree/yarv/calldata.rb

Overview

This is an operand to various YARV instructions that represents the information about a specific call site.

Constant Summary collapse

CALL_ARGS_SPLAT = 
1 << 0
CALL_ARGS_BLOCKARG = 
1 << 1
CALL_FCALL = 
1 << 2
CALL_VCALL = 
1 << 3
CALL_ARGS_SIMPLE = 
1 << 4
CALL_BLOCKISEQ = 
1 << 5
CALL_KWARG = 
1 << 6
CALL_KW_SPLAT = 
1 << 7
CALL_TAILCALL = 
1 << 8
CALL_SUPER = 
1 << 9
CALL_ZSUPER = 
1 << 10
CALL_OPT_SEND = 
1 << 11
CALL_KW_SPLAT_MUT = 
1 << 12

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(method, argc = 0, flags = CallData::CALL_ARGS_SIMPLE, kw_arg = nil) ⇒ CallData

Returns a new instance of CallData.



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# File 'lib/syntax_tree/yarv/calldata.rb', line 24

def initialize(
  method,
  argc = 0,
  flags = CallData::CALL_ARGS_SIMPLE,
  kw_arg = nil
)
  @method = method
  @argc = argc
  @flags = flags
  @kw_arg = kw_arg
end

Instance Attribute Details

#argc ⇒ Object (readonly)

Returns the value of attribute argc.



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# File 'lib/syntax_tree/yarv/calldata.rb', line 22

def argc
  @argc
end

#flags ⇒ Object (readonly)

Returns the value of attribute flags.



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# File 'lib/syntax_tree/yarv/calldata.rb', line 22

def flags
  @flags
end

#kw_arg ⇒ Object (readonly)

Returns the value of attribute kw_arg.



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# File 'lib/syntax_tree/yarv/calldata.rb', line 22

def kw_arg
  @kw_arg
end

#method ⇒ Object (readonly)

Returns the value of attribute method.



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# File 'lib/syntax_tree/yarv/calldata.rb', line 22

def method
  @method
end

Class Method Details

.from(serialized) ⇒ Object 



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# File 'lib/syntax_tree/yarv/calldata.rb', line 71

def self.from(serialized)
  new(
    serialized[:mid],
    serialized[:orig_argc],
    serialized[:flag],
    serialized[:kw_arg]
  )
end

Instance Method Details

#flag?(mask) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/syntax_tree/yarv/calldata.rb', line 36

def flag?(mask)
  (flags & mask) > 0
end

#inspect ⇒ Object 



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# File 'lib/syntax_tree/yarv/calldata.rb', line 46

def inspect
  names = []
  names << :ARGS_SPLAT if flag?(CALL_ARGS_SPLAT)
  names << :ARGS_BLOCKARG if flag?(CALL_ARGS_BLOCKARG)
  names << :FCALL if flag?(CALL_FCALL)
  names << :VCALL if flag?(CALL_VCALL)
  names << :ARGS_SIMPLE if flag?(CALL_ARGS_SIMPLE)
  names << :BLOCKISEQ if flag?(CALL_BLOCKISEQ)
  names << :KWARG if flag?(CALL_KWARG)
  names << :KW_SPLAT if flag?(CALL_KW_SPLAT)
  names << :TAILCALL if flag?(CALL_TAILCALL)
  names << :SUPER if flag?(CALL_SUPER)
  names << :ZSUPER if flag?(CALL_ZSUPER)
  names << :OPT_SEND if flag?(CALL_OPT_SEND)
  names << :KW_SPLAT_MUT if flag?(CALL_KW_SPLAT_MUT)

  parts = []
  parts << "mid:#{method}" if method
  parts << "argc:#{argc}"
  parts << "kw:[#{kw_arg.join(", ")}]" if kw_arg
  parts << names.join("|") if names.any?

  "<calldata!#{parts.join(", ")}>"
end

#to_h ⇒ Object 



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# File 'lib/syntax_tree/yarv/calldata.rb', line 40

def to_h
  result = { mid: method, flag: flags, orig_argc: argc }
  result[:kw_arg] = kw_arg if kw_arg
  result
end