Found my thinking error...
On 27.02.19 15:48, workbe...@gmx.at wrote:
Hi again,
i tried the first example and when i set
.|\n { /* do nothing */ }
[_a-zA-Z]+\( { printf("function_name: %s", yytext); }
He still matches 324_functionname( =(. I thought it's because of the
default route but th
Hi again,
i tried the first example and when i set
.|\n { /* do nothing */ }
[_a-zA-Z]+\( { printf("function_name: %s", yytext); }
He still matches 324_functionname( =(. I thought it's because of the
default route but that seems not to be the issue, what am i missing here ?
best regards!
Thanks for you help. Now i've typed in one of the first examples and it
throws me an strange error:
> flex01.l:99: premature EOF
The code looks like this:
%{
#include
#include
#include
enum {
LOOKUP = 0,
BOOL,
INT,
FLOAT,
STRING,
VEC2,
VEC3,
VEC4
};
int sta
On Fri, 22 Feb 2019 17:02:57 +0100, workbe...@gmx.at wrote:
> $gcc lex.yy.c -o test -Wall
Comparing to your earlier compile statement, you dropped '-lfl' which caused
the linking error. To remedy the situation add to the top of the flex file
%option noyywrap
%option noinput nounput
Then the e
Now i've changed my rules to include whitespace and then the
[a-zA-Z]+ rule. The code is now:
%{
/**
* First example program for flex
*
*/
#include
#include
%}
%%
is |
am |
are |
where |
was |
be |
being |
been |
do |
does |
did |
should |
can |
could |
has |
have |
had |
go { printf("%s
On Fri, 22 Feb 2019 15:00:51 +0100, workbe...@gmx.at wrote:
If you replace
> [a-zA-Z]+ { printf("%s is not a verb", yytext); }
by
[a-zA-Z]+ printf("'%s' is not a verb\n", yytext);
you will see that the scanner does exactly what it is expected to do, since the
line
> .|\n { ECHO; /* no
Congratulations on reading the manual.
You clearly think that flex matches a line at a time. Not so. Perhaps
read the books to the end first?
On 2/22/19 15:00, workbe...@gmx.at wrote:
Now my question is when i enter one of the verbs it's working normaly
like expected, but when i enter for
Hi,
On 22.02.19 15:00, workbe...@gmx.at wrote:
> [a-zA-Z]+ { printf("%s is not a verb", yytext); }
>
> .|\n { ECHO; /* normal default anyway */ }
> Now my question is when i enter one of the verbs it's working normaly
> like expected, but when i enter for example 234someword i also get the
> me
Hi everyone,
i've started to read the lex and yacc book and the bison and flex book.
now in the first example they have the following code:
%{
/**
* First example program for flex
*
*/
%}
%%
is |
am |
are |
where |
was |
be |
being |
been |
do |
does |
did |
should |
can |
could |
has |
h
