parser.y 3. node.rb 4. CD-ROM

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2 parser.y 3. node.rb 4. CD-ROM

3 i 0 i 10 " i i+1 3 for(i = 0; i <= 10; i++) printf(" \n"); i = 0; while(i <= 10) printf(" \n"); i++; 4 when [ :EQ, [lineno, == ] ] expr EQ expr ==, [val[0], val[2]] ) 5 when /\A==/, [ :COMPAIR, [lineno, $&.intern] ] 6 expr COMPAIR expr val[1][1], [val[0], val[2]] ) 7 prechigh nonassoc UMINUS left * / - 1 -

4 left + - nonassoc EQ preclow 8 prechigh nonassoc UMINUS left * / left + - nonassoc COMPAIR preclow 9 if_stmt : IF stmt THEN EOL stmt_list elsif_stmt else_stmt END result = val[0][0], val[1], val[4], val[5], val[6] ) 10 elsif_stmt : ELSIF stmt THEN EOL stmt_list 11 elsif_stmt : elsif_stmt ELSIF stmt THEN EOL stmt_list result.push [val[2], val[5]] ELSIF stmt THEN EOL stmt_list result = [[val[1], val[4]]] 12 class IfNode < Node def initialize( fname, lineno, cond, tstmt, elsif_stmt, fstmt ) super fname, = = = = fstmt def evaluate( intp ) then exec_list = true - 2 -

5 do #p if then exec_list intp, = false break then exec_list 13 = true then = false break then => :IF => :IF 15 IDENT = expr 16 IDENT expr [, [lineno, $&.intern] [, [lineno, $&.intern] ] when /\A / - 3 -

6 @q.push [, [lineno, $&.intern] ] IDENT expr [ :WO, [lineno, $&.intern] [ :NI, [lineno, $&.intern] [ :DAINYU, [lineno, $&.intern] ] IDENT NI expr WO DAINYU 19 puts hello 20 a = hello 21 a hello a hello hello a hello a 22 a hello a hello 23 a hello hello a [ :DAINYU, [lineno, $&.intern] [ :WO, [lineno, $&.intern] [ :NI, [lineno, $&.intern] ] assign : IDENT = expr - 4 -

7 IDENT NI expr WO DAINYU expr WO IDENT NI DAINYU 25 a = 1 26 a 1 a 1 1 a 1 a 27 when /\A ( [ :DAINYU, [lineno, $&.intern] [ :WO, [lineno, $&.intern] [ :NI, [lineno, $&.intern] ] assign : IDENT = expr IDENT NI expr WO DAINYU expr WO IDENT NI DAINYU 28 a b a b a b a b a b a b a b 29 when /\A [ :HITOSII, [lineno, $&.intern] [ :IZYOU, [lineno, $&.intern] [ :IKA, [lineno, $&.intern] ] when /\A [ :YORIOOKII, [lineno, $&.intern] ] when /\A /, /\A [ :YORITIISAI, [lineno, $&.intern] ] - 5 -

8 expr : # expr TO expr GA HITOSII ==, [val[0], val[2]] ) expr GA expr TO HITOSII ==, [val[0], val[2]] ) expr GA expr IZYOU >=, [val[0], val[2]] ) expr GA expr IKA <=, [val[0], val[2]] ) expr GA expr YORIOOKII >, [val[0], val[2]] ) expr GA expr YORITIISAI <, [val[0], val[2]] ) 30 if a = 1 then puts a = 1 elsif a = 2 puts a = 2 else puts else 31 a 1 a = 1 a 2 a = 2 else - 6 -

9 [ :IF, [lineno, $&.intern] ] when /\A [ :THEN, [lineno, $&.intern] ] when /\A ( [ :ELSIF, [lineno, $&.intern] ] when /\A ( [ :ELSE, [lineno, $&.intern] ], /\A /, /\A /, /\A [ :END, [lineno, $&.intern] ] if_stmt : IF stmt THEN EOL stmt_list elsif_stmt else_stmt END else_stmt : ELSE EOL stmt_list elsif_stmt : elsif_stmt ELSIF stmt THEN EOL stmt_list ELSIF stmt THEN EOL stmt_list 33 i = 0 while i <= 10 puts i i += 1 34 i 0 i 10 i i i+1 35 when /\A [ :KURIKAESU, [lineno, $&.intern] ] when /\A( )? [ :AIDA, [lineno, $&.intern] ] while_stmt: WHILE stmt DO EOL stmt_list END stmt AIDA KURIKAESU EOL stmt_list END 36 puts( hello ) puts hello puts() - 7 -

10 puts 37 hello 38 when /\A ( ( )?)?/ word = [ :FUNCTION, [lineno, word.intern ] ] stmt : # stmt FUNCTION when /\A ( ( )?)?/ word = [ :FUNCTION, [lineno, word.intern ] ] 41 when /\A ( )?/ word = [ :FUNCTION, [lineno, word.intern ] ] when /\A ( )?/ word = [ :KAIGYO, [lineno, word.intern ] ] KAIGYO result = val[0][0], val[0][1], [] ) - 8 -

11 44 ruby jpprog src.txt data.txt when /\A ( 1 )? ( )([a-za-z][a-za-z0-9_]*) ( )/ word = gets line_var = [ :GETS, [lineno, line_var.intern ] ] funcall : # GETS tmp = val[0][0], gets.intern, [] ) result = val[0][0], val[0][1], tmp ) 47 ARGV.shift 48 #@fname:#line: syntax error on #v.inspect 49 \n\n #@fname #line #v.inspect \n\n 50 [ :IF, [lineno, $&.intern] ] ruby jpprog src.txt - 9 -

Microsoft PowerPoint - 13Kadai.pptx

Microsoft PowerPoint - 13Kadai.pptx 提出講義での説明を聞いて下さい櫻井彰人コンパイラ理論課題締め切りは 8 月 1 日とします順不同でできるものをできるだけ多く回答して下さい電子メールで sakurai あっと ae どっと keio どっと ac どっと jp に送ってくださいファイル形式は pdf か MsWord でただしプログラムはテキストファイルでレポート課題 1 それぞれ 1 問として考えます電卓