Program Name
Write a Compiler Construction Program for Prepend LEX Program. |
Theory
Prepend LEX Program for
.=match anything except new line character
*=any number of times.
(Pattern =.*\n, Action=Printf)
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Program Code
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Saving: vi prepend.l
Compiling and Running
lex prepend.l
cc lex.yy.c
./a.out prepend.l
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Input
Output
1 %%
2 %%
3 int main(void)
4 {
5 yylex();
6 return 0;
7 }
8 int yywrap(void)
9 {
10 return 1;
11 }
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