Lex
: Phases of Compilation
Lex compiler
lex.l
(Lex source program)
Tabular representation
of a DFA constructed
from REs in
lex.l
C compiler
lex.yy.c
(C source program)
lex.yy.c
(C source program)
a.out
(unit of scanner)
a.out
Source
program
Tokens
2
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