30 lines
600 B
Plaintext
30 lines
600 B
Plaintext
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%option noyywrap
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%{
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#include<stdio.h>
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#define YYDEBUG 1
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int yyLineNumber = 1;
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%}
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%%
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[a-zA-Z]+ myprint("Identifier"); //matcht auch if und IF!
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IF|if myprint("keyword");
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\n yyLineNumber++;
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[ \t] //nix machen, "spaces und tabs überlesen"
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. myprint("unknown Symbol");
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%%
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int main()
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{
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printf("Programm eingeben: \n");
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yylex();
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return 0;
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}
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int myprint(char token[]) {
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printf("\nZeile %d >>> ", yyLineNumber);
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printf("%s ", token);
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printf("%s\n", yytext); // yytext: String, der gerade gelesen wurde
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}
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