Class: YTLJit::VM::TypeInferenceContext
- Defined in:
- lib/ytljit/vm_codegen.rb
Instance Attribute Summary collapse
-
#convergent ⇒ Object
Returns the value of attribute convergent.
-
#current_method ⇒ Object
readonly
Returns the value of attribute current_method.
-
#current_method_signature_node ⇒ Object
readonly
Returns the value of attribute current_method_signature_node.
-
#options ⇒ Object
Returns the value of attribute options.
-
#top_node ⇒ Object
readonly
Returns the value of attribute top_node.
-
#visited_top_node ⇒ Object
Returns the value of attribute visited_top_node.
Instance Method Summary collapse
-
#initialize(tnode) ⇒ TypeInferenceContext
constructor
A new instance of TypeInferenceContext.
- #pop_signature ⇒ Object
- #push_signature(signode, method) ⇒ Object
- #to_signature(offset = -1,, cache = {}) ⇒ Object
- #to_signature_aux(cursignode, offset, cache) ⇒ Object
- #to_signature_aux2(mt, args, cursig, offset, cache) ⇒ Object
- #to_signature_aux3(cursignode, offset, cache) ⇒ Object
Constructor Details
#initialize(tnode) ⇒ TypeInferenceContext
Returns a new instance of TypeInferenceContext.
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# File 'lib/ytljit/vm_codegen.rb', line 115 def initialize(tnode) @top_node = tnode @current_method_signature_node = [[]] @current_method = [tnode] @convergent = false @visited_top_node = {} # Options from user @options = {} end |
Instance Attribute Details
#convergent ⇒ Object
Returns the value of attribute convergent.
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# File 'lib/ytljit/vm_codegen.rb', line 275 def convergent @convergent end |
#current_method ⇒ Object (readonly)
Returns the value of attribute current_method.
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# File 'lib/ytljit/vm_codegen.rb', line 274 def current_method @current_method end |
#current_method_signature_node ⇒ Object (readonly)
Returns the value of attribute current_method_signature_node.
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# File 'lib/ytljit/vm_codegen.rb', line 273 def current_method_signature_node @current_method_signature_node end |
#options ⇒ Object
Returns the value of attribute options.
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# File 'lib/ytljit/vm_codegen.rb', line 277 def @options end |
#top_node ⇒ Object (readonly)
Returns the value of attribute top_node.
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# File 'lib/ytljit/vm_codegen.rb', line 272 def top_node @top_node end |
#visited_top_node ⇒ Object
Returns the value of attribute visited_top_node.
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# File 'lib/ytljit/vm_codegen.rb', line 276 def visited_top_node @visited_top_node end |
Instance Method Details
#pop_signature ⇒ Object
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# File 'lib/ytljit/vm_codegen.rb', line 267 def pop_signature @current_method.pop @current_method_signature_node.pop end |
#push_signature(signode, method) ⇒ Object
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# File 'lib/ytljit/vm_codegen.rb', line 262 def push_signature(signode, method) @current_method_signature_node.push signode @current_method.push method end |
#to_signature(offset = -1,, cache = {}) ⇒ Object
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# File 'lib/ytljit/vm_codegen.rb', line 125 def to_signature(offset = -1, cache = {}) if offset.is_a?(Node::TopNode) then i = -1 while @current_method[i] and @current_method[i] != offset i = i - 1 end if @current_method[i] == offset then offset = i else # This is legal if this TopNode has only one signature sigc = offset.signature_cache if sigc.size == 1 then return sigc[0] else p offset.signature_cache p i p offset.debug_info p @current_method.map {|e| e.debug_info} p @current_method.map {|e| e.class} raise "I can't type inference..." end end end cursignode = @current_method_signature_node[offset] curmethod = @current_method[offset] if curmethod == nil then return nil end cursig = curmethod.current_signature if cursig then return cursig end sigc = curmethod.signature_cache if sigc.size == 1 then return sigc[0] end if rsig = cache[cursignode] then rsig = rsig.map {|e| e.copy_type} return rsig end if curmethod.is_a?(Node::ClassTopNode) then # Can't pass block when entering a class definition rsig = to_signature_aux(cursignode, offset, cache) rsig = rsig.map {|e| e.copy_type} cache[cursignode] = rsig rsig elsif curmethod.is_a?(Node::TopNode) then prevsig = to_signature(offset - 1, cache) rsig = to_signature_aux2(curmethod, cursignode, prevsig, offset, cache) rsig = rsig.map {|e| e.copy_type} cache[cursignode] = rsig rsig else raise "Maybe bug" =begin prevsig = to_signature(offset - 1, cache) mt, slf = curmethod.get_send_method_node(prevsig) rsig = to_signature_aux2(mt, cursignode, prevsig, offset, cache) cache[cursignode] = rsig return rsig =end end end |
#to_signature_aux(cursignode, offset, cache) ⇒ Object
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# File 'lib/ytljit/vm_codegen.rb', line 198 def to_signature_aux(cursignode, offset, cache) sig = to_signature(offset - 1, cache) res = cursignode.map { |enode| enode.decide_type_once(sig) } res end |
#to_signature_aux2(mt, args, cursig, offset, cache) ⇒ Object
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# File 'lib/ytljit/vm_codegen.rb', line 207 def to_signature_aux2(mt, args, cursig, offset, cache) res = [] args.each do |ele| res.push ele.decide_type_once(cursig) end if !args[1].is_a?(Node::BlockTopNode) then return res end ynode = mt.yield_node[0] if ynode and false then yargs = ynode.arguments push_signature(yargs, mt) ysig = to_signature_aux3(yargs, -1, cache) # inherit self and block from caller node ysig[1] = cursig[1] ysig[2] = cursig[2] args[1].type = nil res[1] = args[1].decide_type_once(ysig) #p res #p res[1] pop_signature else sig = args[1].search_valid_signature if sig then args[1].type = nil res[1] = args[1].decide_type_once(sig) end end res end |
#to_signature_aux3(cursignode, offset, cache) ⇒ Object
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# File 'lib/ytljit/vm_codegen.rb', line 242 def to_signature_aux3(cursignode, offset, cache) if res = cache[cursignode] then return res end node = @current_method[offset] if node.is_a?(Node::ClassTopNode) then node.signature_cache[0] else cursignode2 = @current_method_signature_node[offset] sig = to_signature_aux3(cursignode2, offset - 1, cache) res = cursignode.map { |enode| enode.decide_type_once(sig) } cache[cursignode] = res res end end |