Class: CodeTools::Generator
- Inherits:
-
Object
- Object
- CodeTools::Generator
- Includes:
- GeneratorMethods
- Defined in:
- lib/rubinius/code/compiler/generator.rb
Defined Under Namespace
Classes: BasicBlock, Label
Instance Attribute Summary collapse
-
#arity ⇒ Object
Returns the value of attribute arity.
-
#block_index ⇒ Object
Returns the value of attribute block_index.
-
#break ⇒ Object
Returns the value of attribute break.
-
#current_block ⇒ Object
Returns the value of attribute current_block.
-
#detected_args ⇒ Object
Returns the value of attribute detected_args.
-
#detected_locals ⇒ Object
Returns the value of attribute detected_locals.
-
#file ⇒ Object
Returns the value of attribute file.
-
#for_block ⇒ Object
Returns the value of attribute for_block.
-
#for_module_body ⇒ Object
Returns the value of attribute for_module_body.
-
#ip ⇒ Object
readonly
Returns the value of attribute ip.
-
#iseq ⇒ Object
readonly
Returns the value of attribute iseq.
-
#keywords ⇒ Object
Returns the value of attribute keywords.
-
#kwrest_index ⇒ Object
Returns the value of attribute kwrest_index.
-
#literals ⇒ Object
readonly
Returns the value of attribute literals.
-
#local_count ⇒ Object
Returns the value of attribute local_count.
-
#local_names ⇒ Object
Returns the value of attribute local_names.
-
#name ⇒ Object
Returns the value of attribute name.
-
#next ⇒ Object
Returns the value of attribute next.
-
#post_args ⇒ Object
Returns the value of attribute post_args.
-
#primitive ⇒ Object
Returns the value of attribute primitive.
-
#redo ⇒ Object
Returns the value of attribute redo.
-
#required_args ⇒ Object
Returns the value of attribute required_args.
-
#retry ⇒ Object
Returns the value of attribute retry.
-
#splat_index ⇒ Object
Returns the value of attribute splat_index.
-
#stream ⇒ Object
readonly
Returns the value of attribute stream.
-
#total_args ⇒ Object
Returns the value of attribute total_args.
Instance Method Summary collapse
- #accumulate_stack(size) ⇒ Object
- #add_generator(generator) ⇒ Object
- #add_literal(literal) ⇒ Object
- #close ⇒ Object
- #definition_line(line) ⇒ Object
-
#encode ⇒ Object
Formalizers.
- #execute(node) ⇒ Object (also: #run)
- #find_literal(literal) ⇒ Object
-
#initialize ⇒ Generator
constructor
A new instance of Generator.
- #ip_to_line(ip) ⇒ Object
- #last_match(mode, which) ⇒ Object
- #line ⇒ Object
- #max_stack_size ⇒ Object
-
#new_basic_block ⇒ Object
Helpers.
- #new_label ⇒ Object
- #new_stack_local ⇒ Object
- #package(klass) ⇒ Object
- #pop_modifiers ⇒ Object
- #pop_state ⇒ Object
-
#push_arg(idx) ⇒ Object
Minor meta operations that can be used to detect the number of method arguments needed.
- #push_float(float) ⇒ Object
- #push_generator(generator) ⇒ Object
- #push_literal(literal) ⇒ Object
- #push_local(idx) ⇒ Object
- #push_modifiers ⇒ Object
- #push_state(scope) ⇒ Object
- #send(meth, count, priv = false) ⇒ Object
- #send_primitive(name) ⇒ Object
- #send_super(meth, args, splat = false) ⇒ Object
- #send_with_block(meth, count, priv = false) ⇒ Object
- #send_with_splat(meth, args, priv = false, concat = false) ⇒ Object
- #set_arg(idx) ⇒ Object
- #set_line(line) ⇒ Object
- #set_local(idx) ⇒ Object
-
#state ⇒ Object
Commands (these don’t generate data in the stream).
- #use_detected ⇒ Object
Methods included from GeneratorMethods
#add_scope, #allow_private, #cast_array, #cast_for_multi_block_arg, #cast_for_single_block_arg, #cast_for_splat_block_arg, #cast_multi_value, #check_frozen, #check_interrupts, #check_serial, #check_serial_private, #clear_exception, #create_block, #dup, #dup_many, #emit_push_literal, #ensure_return, #find_const, #goto, #goto_if_equal, #goto_if_false, #goto_if_nil, #goto_if_not_equal, #goto_if_not_nil, #goto_if_not_undefined, #goto_if_true, #goto_if_undefined, #instance_of, #invoke_primitive, #kind_of, #make_array, #move_down, #noop, #object_to_s, #passed_arg, #passed_blockarg, #pop, #pop_many, #pop_unwind, #push_block, #push_block_arg, #push_const, #push_cpath_top, #push_current_exception, #push_exception_state, #push_false, #push_has_block, #push_int, #push_ivar, #push_local_depth, #push_memo, #push_mirror, #push_my_field, #push_my_offset, #push_nil, #push_proc, #push_rubinius, #push_scope, #push_self, #push_stack_local, #push_true, #push_type, #push_undef, #push_variables, #raise_break, #raise_exc, #raise_return, #reraise, #restore_exception_state, #ret, #rotate, #send_method, #send_stack, #send_stack_with_block, #send_stack_with_splat, #send_super_stack_with_block, #send_super_stack_with_splat, #send_vcall, #set_call_flags, #set_const, #set_const_at, #set_ivar, #set_local_depth, #set_stack_local, #setup_unwind, #shift_array, #store_my_field, #string_append, #string_build, #string_dup, #swap, #yield_debugger, #yield_splat, #yield_stack, #zsuper
Constructor Details
#initialize ⇒ Generator
Returns a new instance of Generator.
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# File 'lib/rubinius/code/compiler/generator.rb', line 241 def initialize @stream = [] @literals_map = Hash.new { |h,k| h[k] = add_literal(k) } @literals = [] @ip = 0 @modstack = [] @break = nil @redo = nil @next = nil @retry = nil @last_line = nil @file = nil @lines = [] @primitive = nil @instruction = nil @for_block = nil @for_module_body = nil @required_args = 0 @post_args = 0 @total_args = 0 @arity = 0 @detected_args = 0 @detected_locals = 0 @splat_index = nil @local_names = nil @block_index = nil @keywords = nil @kwrest_index = nil @local_count = 0 @state = [] @generators = [] @stack_locals = 0 @enter_block = new_basic_block @current_block = @enter_block @max_stack = 0 end |
Instance Attribute Details
#arity ⇒ Object
Returns the value of attribute arity.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def arity @arity end |
#block_index ⇒ Object
Returns the value of attribute block_index.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def block_index @block_index end |
#break ⇒ Object
Returns the value of attribute break.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def break @break end |
#current_block ⇒ Object
Returns the value of attribute current_block.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def current_block @current_block end |
#detected_args ⇒ Object
Returns the value of attribute detected_args.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def detected_args @detected_args end |
#detected_locals ⇒ Object
Returns the value of attribute detected_locals.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def detected_locals @detected_locals end |
#file ⇒ Object
Returns the value of attribute file.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def file @file end |
#for_block ⇒ Object
Returns the value of attribute for_block.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def for_block @for_block end |
#for_module_body ⇒ Object
Returns the value of attribute for_module_body.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def for_module_body @for_module_body end |
#ip ⇒ Object (readonly)
Returns the value of attribute ip.
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# File 'lib/rubinius/code/compiler/generator.rb', line 284 def ip @ip end |
#iseq ⇒ Object (readonly)
Returns the value of attribute iseq.
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# File 'lib/rubinius/code/compiler/generator.rb', line 284 def iseq @iseq end |
#keywords ⇒ Object
Returns the value of attribute keywords.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def keywords @keywords end |
#kwrest_index ⇒ Object
Returns the value of attribute kwrest_index.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def kwrest_index @kwrest_index end |
#literals ⇒ Object (readonly)
Returns the value of attribute literals.
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# File 'lib/rubinius/code/compiler/generator.rb', line 284 def literals @literals end |
#local_count ⇒ Object
Returns the value of attribute local_count.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def local_count @local_count end |
#local_names ⇒ Object
Returns the value of attribute local_names.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def local_names @local_names end |
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def name @name end |
#next ⇒ Object
Returns the value of attribute next.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def next @next end |
#post_args ⇒ Object
Returns the value of attribute post_args.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def post_args @post_args end |
#primitive ⇒ Object
Returns the value of attribute primitive.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def primitive @primitive end |
#redo ⇒ Object
Returns the value of attribute redo.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def redo @redo end |
#required_args ⇒ Object
Returns the value of attribute required_args.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def required_args @required_args end |
#retry ⇒ Object
Returns the value of attribute retry.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def retry @retry end |
#splat_index ⇒ Object
Returns the value of attribute splat_index.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def splat_index @splat_index end |
#stream ⇒ Object (readonly)
Returns the value of attribute stream.
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# File 'lib/rubinius/code/compiler/generator.rb', line 284 def stream @stream end |
#total_args ⇒ Object
Returns the value of attribute total_args.
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# File 'lib/rubinius/code/compiler/generator.rb', line 285 def total_args @total_args end |
Instance Method Details
#accumulate_stack(size) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 457 def accumulate_stack(size) @max_stack = size if size > @max_stack end |
#add_generator(generator) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 480 def add_generator(generator) index = add_literal generator @generators << index index end |
#add_literal(literal) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 490 def add_literal(literal) index = @literals.size @literals << literal index end |
#close ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 434 def close if @lines.empty? msg = "closing a method definition with no line info: #{file}:#{line}" raise Exception, msg end @lines << @ip end |
#definition_line(line) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 387 def definition_line(line) unless @stream.empty? raise Exception, "only use #definition_line first" end @lines << -1 @lines << line @last_line = line end |
#encode ⇒ Object
Formalizers
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# File 'lib/rubinius/code/compiler/generator.rb', line 299 def encode @iseq = Rubinius::InstructionSequence.new @stream.to_tuple begin # Validate the stack and calculate the max depth @enter_block.validate_stack rescue Exception => e if $DEBUG puts "Error computing stack for #{@name}: #{e.} (#{e.class})" end raise e end @generators.each { |x| @literals[x].encode } end |
#execute(node) ⇒ Object Also known as: run
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# File 'lib/rubinius/code/compiler/generator.rb', line 291 def execute(node) node.bytecode self end |
#find_literal(literal) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 486 def find_literal(literal) @literals_map[literal] end |
#ip_to_line(ip) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 421 def ip_to_line(ip) total = @lines.size - 2 i = 0 while i < total if ip >= @lines[i] and ip <= @lines[i+2] return @lines[i+1] end i += 2 end end |
#last_match(mode, which) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 532 def last_match(mode, which) push_int Integer(mode) push_int Integer(which) invoke_primitive :regexp_last_match_result, 2 end |
#line ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 417 def line @last_line end |
#max_stack_size ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 461 def max_stack_size size = @max_stack + @local_count + @stack_locals size += 1 if @for_block size end |
#new_basic_block ⇒ Object
Helpers
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# File 'lib/rubinius/code/compiler/generator.rb', line 453 def new_basic_block BasicBlock.new self end |
#new_label ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 447 def new_label Label.new(self) end |
#new_stack_local ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 467 def new_stack_local idx = @stack_locals @stack_locals += 1 return idx end |
#package(klass) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 315 def package(klass) @generators.each { |x| @literals[x] = @literals[x].package klass } code = klass.new code.iseq = @iseq code.literals = @literals.to_tuple code.lines = @lines.to_tuple code.required_args = @required_args code.post_args = @post_args code.total_args = @total_args code.splat = @splat_index code.arity = @arity code.local_count = @local_count code.local_names = @local_names.to_tuple if @local_names code.keywords = @keywords.to_tuple if @keywords code. :block_index, @block_index if @block_index code. :kwrest_index, @kwrest_index if @kwrest_index code.stack_size = max_stack_size code.file = @file code.name = @name code.primitive = @primitive if @for_block code. :for_block, true end if @for_module_body code. :for_module_body, true end code end |
#pop_modifiers ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 383 def pop_modifiers @break, @redo, @next, @retry = @modstack.pop end |
#pop_state ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 375 def pop_state @state.pop end |
#push_arg(idx) ⇒ Object
Minor meta operations that can be used to detect the number of method arguments needed
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# File 'lib/rubinius/code/compiler/generator.rb', line 522 def push_arg(idx) push_local(idx) @detected_args = @detected_locals end |
#push_float(float) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 496 def push_float(float) emit_push_literal add_literal(float) end |
#push_generator(generator) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 473 def push_generator(generator) index = @literals.size push_literal generator @generators << index index end |
#push_literal(literal) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 500 def push_literal(literal) emit_push_literal find_literal(literal) end |
#push_local(idx) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 504 def push_local(idx) if @detected_locals <= idx @detected_locals = idx + 1 end super end |
#push_modifiers ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 379 def push_modifiers @modstack << [@break, @redo, @next, @retry] end |
#push_state(scope) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 371 def push_state(scope) @state << AST::State.new(scope) end |
#send(meth, count, priv = false) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 538 def send(meth, count, priv=false) allow_private if priv unless count.kind_of? Fixnum raise CompileError, "count must be a number" end if count == 0 send_method meth else send_stack meth, count end end |
#send_primitive(name) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 443 def send_primitive(name) @primitive = name end |
#send_super(meth, args, splat = false) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 572 def send_super(meth, args, splat=false) if splat send_super_stack_with_splat meth, args else send_super_stack_with_block meth, args end end |
#send_with_block(meth, count, priv = false) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 552 def send_with_block(meth, count, priv=false) allow_private if priv unless count.kind_of? Fixnum raise CompileError, "count must be a number" end send_stack_with_block meth, count end |
#send_with_splat(meth, args, priv = false, concat = false) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 562 def send_with_splat(meth, args, priv=false, concat=false) val = 0 val |= Rubinius::InstructionSet::CALL_FLAG_CONCAT if concat set_call_flags val unless val == 0 allow_private if priv send_stack_with_splat meth, args end |
#set_arg(idx) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 527 def set_arg(idx) set_local(idx) @detected_args = @detected_locals end |
#set_line(line) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 398 def set_line(line) raise Exception, "source code line cannot be nil" unless line if !@last_line @lines << @ip @lines << line @last_line = line elsif line != @last_line if @lines[-2] == @ip @lines[-1] = line else @lines << @ip @lines << line end @last_line = line end end |
#set_local(idx) ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 512 def set_local(idx) if @detected_locals <= idx @detected_locals = idx + 1 end super end |
#state ⇒ Object
Commands (these don’t generate data in the stream)
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# File 'lib/rubinius/code/compiler/generator.rb', line 367 def state @state.last end |
#use_detected ⇒ Object
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# File 'lib/rubinius/code/compiler/generator.rb', line 351 def use_detected if @required_args < @detected_args @required_args = @detected_args end if @total_args < @detected_args @total_args = @detected_args end if @local_count < @detected_locals @local_count = @detected_locals end end |