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output.txt
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output.txt
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g++ -I include -I /home/13774/x2-devel/include -std=c++14 -D CODE64 -c src/GrammaUtils.cpp -o gen/GrammaUtils.o
#ld gen/LexicalParser.o gen/SemanticParser.o gen/GrammaUtils.o gen/mainTest.o -o gen/mainTest.out
g++ gen/LexicalParser.o gen/SemanticParser.o gen/GrammaUtils.o gen/mainTest.o -o gen/mainTest.out
gen/mainTest.out
( -1 , EMPTY , <EMPTY> )
( 0 , TERMINATOR , a )
( 1 , TERMINATOR , b )
( 2 , VARIABLE , S )
( 3 , VARIABLE , B )
( 4 , VARIABLE , C )
( 5 , VARIABLE , D )
( 6 , TERMINATOR , c )
( 7 , VARIABLE , F )
( 8 , TERMINATOR , <END> )
S is at 2
S -> B B
B -> a B
B -> b
B -> <EMPTY>
C -> D S B a
C -> D S B a
C -> D S B b
C -> D S S b
D -> D a
D -> D b
D -> S B
D -> B S
F -> c
S can be empty?1
reduce all left factors
S -> B B
B -> a B
B -> b
B -> <EMPTY>
C -> D S C1'
D -> S B
D -> B S
D -> D D1'
F -> c
C1' -> S b
C1' -> B C1'1'
C1'1' -> a
C1'1' -> b
D1' -> b
D1' -> a
reduce left recursive
S -> B B
B -> a B
B -> b
B -> <EMPTY>
C -> D S C1'
D -> a B B B D_
D -> b B B D_
D -> B B D_
D -> a B S D_
D -> b S D_
D -> S D_
F -> c
C1' -> a B B b
C1' -> b B b
C1' -> B b
C1' -> a B C1'1'
C1' -> b C1'1'
C1' -> C1'1'
C1'1' -> a
C1'1' -> b
D1' -> b
D1' -> a
D_ -> <EMPTY>
D_ -> D1'
eliminate duplication
S -> B B
B -> a B
B -> b
B -> <EMPTY>
C -> D S C1'
D -> a B B B D_
D -> b B B D_
D -> B B D_
D -> a B S D_
D -> b S D_
D -> S D_
F -> c
C1' -> a B B b
C1' -> b B b
C1' -> B b
C1' -> a B C1'1'
C1' -> b C1'1'
C1' -> C1'1'
C1'1' -> a
C1'1' -> b
D1' -> b
D1' -> a
D_ -> <EMPTY>
D_ -> D1'
calculating FIRST set
S{
<EMPTY>, a, b,
}
B{
<EMPTY>, a, b,
}
C{
<EMPTY>, a, b,
}
D{
<EMPTY>, a, b,
}
F{
c,
}
C1'{
<EMPTY>, a, b,
}
C1'1'{
a, b,
}
D1'{
a, b,
}
D_{
<EMPTY>, a, b,
}
calculating FOLLOW set
S{
a, b, <END>,
}
B{
a, b, <END>,
}
D{
a, b,
}
C1'{
}
C1'1'{
}
D1'{
a, b,
}
D_{
a, b,
}