Class: MCMD::MrubyParse

Inherits:
Object
  • Object
show all
Defined in:
lib/nysol/mrubyparse.rb

Constant Summary collapse

@@ST_RESERVE_WORD = 
["class","module","if","unless","def"]
@@ED_RESERVE_WORD = 
["end"]
@@ST_RESERVE_REG = 
@@ST_RESERVE_WORD.maddPrefix(["^","\\s+"]).maddSuffix(["$","\\s+"])
@@ED_RESERVE_REG = 
@@ED_RESERVE_WORD.maddPrefix(["^","\\s+"]).maddSuffix(["$","\\s+","\\."])
@@RESERVE_REG = 
@@ST_RESERVE_REG.concat(@@ED_RESERVE_REG)
@@ST_BLOCK_WORD = 
[["{"],["do"]]
@@ED_BLOCK_WORD = 
[["}"],["end"]]
@@ST_BLOCK_PTN =

@@ST_BLOCK_REG = @@ST_BLOCK_WORD.maddPrefix().maddSuffix() @@ED_BLOCK_REG = @@ED_BLOCK_WORD.maddPrefix().maddSuffix()

[@@ST_BLOCK_WORD[0].maddPrefix("\\s*").maddSuffix("\\s*"),@@ST_BLOCK_WORD[1].maddPrefix(["^","\\s+"]).maddSuffix(["$","\\s+"])]
@@ED_BLOCK_PTN = 
[@@ED_BLOCK_WORD[0].maddPrefix("\\s*").maddSuffix("\\s*"),@@ED_BLOCK_WORD[1].maddPrefix(["^","\\s+"]).maddSuffix(["$","\\s+"])]

Instance Method Summary collapse

Constructor Details

#initialize(infn, lin, kwd, value) ⇒ MrubyParse

Returns a new instance of MrubyParse.



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# File 'lib/nysol/mrubyparse.rb', line 40

def initialize(infn,lin,kwd,value)
	@infn = infn
	@limLin = lin 
	@kwd =kwd
	@values =value
	@ldata = ""
	@blktype = 0 
	@stCnt = 0
	@edCnt = 0 
	@stBLKCnt = 0
	@edBLKCnt = 0 
	@recCnt = 0
	@outFLG = false
	@argST_FLG = false
	@argED_FLG = false
	@reqinfo = false
	@state = 0
	@outdata =[]
	@reqdata =[]
	@argsV =[]
	@outline =""
	@blkPtn = 0

end

Instance Method Details

#analyze_args ⇒ Object 



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# File 'lib/nysol/mrubyparse.rb', line 155

def analyze_args
	@ldata.lstrip!
	return if @ldata.size==0
	unless @argST_FLG then
		raise "format ERROR" if @ldata[0]!="|"
		@ldata=@ldata[1..-1]
		@argST_FLG = true
	end
	out=""
	unless @argED_FLG then
		pos=0
		while pos <  @ldata.size do
			case @ldata[pos]
			when ","
				@argsV << out
				out =""
			when "|"
				@argsV << out
				out =""
				@argED_FLG = true
			else
				out << @ldata[pos]
			end
			pos += 1
			break if @argED_FLG
		end
		@ldata = @ldata[pos..-1]
	end
end

#analyze_blk ⇒ Object 



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# File 'lib/nysol/mrubyparse.rb', line 185

def analyze_blk
	pos = 0 
	loop{
		pos = @ldata.index(/(#{@@ST_BLOCK_PTN[@blkPtn].join('|')}|#{@@ED_BLOCK_PTN[@blkPtn].join('|')})(.*)/)
		pos = skip_space(pos)
		kwd = match_BlkReserve(@ldata,pos)
		if pos == nil then
			@outline << @ldata
			pos = @ldata.size
		else
			case kwd
			when "do","{"
				@stBLKCnt+=1
			when "end","}"
				@edBLKCnt+=1
			end
			if @stBLKCnt == @edBLKCnt then
				@outline << @ldata[0...pos]
				pos = pos+kwd.size
			else
				pos = pos+kwd.size
				@outline << @ldata[0...pos]
			end
		end
		@ldata = @ldata[pos..-1]
		break if @ldata.size == 0
		break if @stBLKCnt == @edBLKCnt 
	}
end

#analyze_blk_start ⇒ Object

skip,add_stcnt,add_edcnt,chgoutF



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# File 'lib/nysol/mrubyparse.rb', line 148

def analyze_blk_start
	sp = @ldata.match(/(.*)#{@kwd}(#{@@ST_BLOCK_PTN[0].join('|')}|#{@@ST_BLOCK_PTN[1].join('|')})(.*)/)
	sp = @ldata.match(/(.*)#{@kwd}\s*\(.*\)\s*(#{@@ST_BLOCK_PTN[0].join('|')}|#{@@ST_BLOCK_PTN[1].join('|')})(.*)/) if sp == nil
	@blkPtn = 1 if sp[2].include?("do")
	@ldata = sp[3]
end

#analyze_blk_sub ⇒ Object 



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# File 'lib/nysol/mrubyparse.rb', line 104

def analyze_blk_sub
	if @ldata =~ /^\s*#/ then
		@ldata =""
		return 			
	end
	if @edCnt == @stCnt and @ldata =~ /^\s*require\s/ then
		@outdata << @ldata
		@ldata =""
		return
	end
	pos = 0
	pos = @ldata.index(/#{@@RESERVE_REG.join('|')}/,pos)
	pos = skip_space(pos)
	kwd = match_Reserve(@ldata,pos)
	if pos == nil then
		@outline << @ldata if @outFLG
		pos = @ldata.size
	elsif kwd == "end" then
		@edCnt +=1
		pos += kwd.size
		@outline << @ldata[0...pos] if @outFLG
		@outFLG =false if @edCnt == @stCnt
	elsif kwd == "if" || kwd == "unless" then
		@stCnt +=1 if @ldata[0...pos].index(/\S/) == nil
		pos += kwd.size
		@outline << @ldata[0...pos] if @outFLG
	else	
		@stCnt +=1
		pos += kwd.size
		@outFLG =true
		@outline << @ldata[0...pos] if @outFLG
	end
	@ldata = @ldata[pos..-1]
	# 行終了
	if @ldata.size==0 then
		if @outline.size != 0 then
			@outdata << @outline 
			@recCnt += 1
		end
		@recCnt = 0 if @edCnt == @stCnt
	end
end

#match_BlkReserve(ldata, pos) ⇒ Object 



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# File 'lib/nysol/mrubyparse.rb', line 91

def match_BlkReserve(ldata,pos)
	return nil if pos ==nil
	lldata = ldata[pos..-1]
	@@ST_BLOCK_WORD[@blktype].each{|reserv|
		return reserv if lldata.index(/^#{reserv}/)
	}
	@@ED_BLOCK_WORD[@blktype].each{|reserv|
		return reserv if lldata.index(/^#{reserv}/)
	}
	return nil
end

#match_Reserve(ldata, pos) ⇒ Object 



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# File 'lib/nysol/mrubyparse.rb', line 78

def match_Reserve(ldata,pos)
	return nil if pos ==nil
	lldata = ldata[pos..-1]
	
	@@ST_RESERVE_WORD.each{|reserv|
		return reserv if lldata.index(/^#{reserv}/)
	}
	@@ED_RESERVE_WORD.each{|reserv|
		return reserv if lldata.index(/^#{reserv}/)
	}
	return nil
end

#output(outfn) ⇒ Object 



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# File 'lib/nysol/mrubyparse.rb', line 215

def output(outfn)
	File.open(outfn,"w"){|ofp|
	ofp.puts("#!/usr/bin/env ruby")
	ofp.puts("# -*- coding: utf-8 -*- ")
	File.open(@infn,"r"){|ifp|
		ifp.each_line do | ldata |
			@outline = "" 
			@ldata = ldata.chomp
			loop{
				break if @ldata.size==0
				case @state
				when 0 # kwd(m2each) block前
					if ifp.lineno == @limLin then 
						@state = 1 ; next ; 
					end
					analyze_blk_sub()
				when 1 # kwd(m2each) 行
					analyze_blk_start()
					@outFLG = false
					@stBLKCnt += 1
					@state = 2
					outrqCHK =[]
					@recCnt.times{ #requireは出力する
						chkword = @outdata.pop 
						outrqCHK << chkword if @ldata =~ /^\s*require\s/ 
					}
					@outdata.each{|ld| ofp.puts(ld) }
					outrqCHK.each{|ld| ofp.puts(ld) }
					@values.each {|ld| ofp.puts(ld) }
					@outdata=[]
				when 2 # kwd(m2each) 引数
					analyze_args()
					if @argED_FLG then
						@argsV.each_with_index{|v,i|
							if i==0 then
								ofp.puts("#{v} = ARGV[#{i}].split(',')")
								ofp.puts("#{v} = #{v}[0] if #{v}.size==1")
							else
								ofp.puts("#{v} = ARGV[#{i}].to_i")
							end
						}
						@state = 3
					end
				when 3 # kwd(m2each) ブロック
					analyze_blk()
					if @stBLKCnt == @edBLKCnt || @ldata.size == 0 then
						ofp.puts(@outline)
						@state = 4 if @stBLKCnt == @edBLKCnt
					end
				when 4 # end check
					analyze_blk_sub()
					if @edCnt == @stCnt then
						@outdata=[]
						@state = 5
					end
				when 5 # end check
					analyze_blk_sub()
				end
				break if @ldata.size==0
			}
		end
		@outdata.each{|ld| ofp.puts(ld) }
	}
	}
end

#skip_space(pos) ⇒ Object 



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# File 'lib/nysol/mrubyparse.rb', line 65

def skip_space(pos)
	return nil if pos==nil
	rpos = @ldata.index(/\S/,pos)
	if rpos == nil then
		if @ldata.size == 0 then
			rpos = pos
		else
			rpos = @ldata.size-1
		end
	end
	return rpos
end