Start of Parser for a Word G1.wrd of the language G1.grm at Thu Mar 22 13:04:42 2001


Scanner started

Input program:

# a a a b #

Scanned program:

1 2 2 2 3 1

Scanner ended

Parser started


Stack & Word # <•aa a b #
Pointer to top_a


Stack & Word # <•Ba a b #
Pointer to top_B

Parsing tree

B
a


Stack & Word # <•B =•aa b #
Pointer to top_Ba


Stack & Word # <•Ba b #
Pointer to top_B

Parsing tree

B
B
a
a


Stack & Word # <•B =•ab #
Pointer to top_Ba


Stack & Word # <•Bb #
Pointer to top_B

Parsing tree

B
B
B
a
a
a


Stack & Word # <•B <•b#
Pointer to top_Bb


Stack & Word # <•B =•C#
Pointer to top_BC

Parsing tree

C
b



Stack & Word # =•A#
Pointer to top_A

Parsing tree

A
B
B
B
a
a
a
C
b

the parsing is complete

Parser ended at Thu Mar 22 13:04:42 2001