KLX

Cameron Taylor

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4 files:

• .y (yacc)
• .ps (postscript)
• .l (lex)
• .klx (KLX)

make the parser: bison klx.y

make the scanner: flex klx.l

compile the parser: gcc lex.yy.c klx.tab.c -o klx

Run the compiler: ./klx or ./klx < input.klx > output.ps

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Numbers

In klx.l (need to #include (need to extern int yylval;) yylval = atoi(yytext); return NUM;

In klx.y MOVE NUMBER NUMBER { printf("%d %d translate\n", $2, $3); };

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implement procedures