Subversion Repositories tinyvliw8

/**

 * \file tokens.l

 */

%{

#       include "parser.h"

        extern void nextline();

    extern void yyerror(const char *s);

        // extern int yylval;

%}

%%

".equ"      { return CONSTSEC; }

".res"      { return RESSEC; }

".code"     { return CODESEC; }

".irq"[0-3] { yylval.num = yytext[4] - '0'; return IRQSEC; }

"ldi"       { return LOADI; }

"ld"        { return LOAD; }

"sti"       { return STOREI; }

"st"        { return STORE; }

"rla"       { return RLA; }

"rlc"       { return RLC; }

"rra"       { return RRA; }

"rrc"       { return RRC; }

"mov"       { return MOVE; }

"addi"      { return ADDI; }

"add"       { return ADD; }

"or"        { return OR; }

"xor"       { return XOR; }

"xnor"      { return XNOR; }

"nor"       { return NOR; }

"and"       { return AND; }

"nand"      { return NAND; }

"jmp"       { return JMP; }

"jnz"       { return JNZ; }

"jz"        { return JZ; }

"jc"        { return JC; }

":"         { return COLON; }

";"         { return SEMICOLON; }

"+"         { return PLUS; }

"-"         { return MINUS; }

"~"         { return TILDE; }

"|"         { return PIPE; }

"$"         { return DOLLAR; }

"#"         { return HASH; }

"@"         { return AT; }

","         { return COMMA; }

r[0-7]                  { yylval.num = yytext[1] - '0'; return REG; }

0x[0-9a-f][0-9a-f]      { yylval.num = strtol(&yytext[2], 0, 16); return HEXNUM; }

0x[0-7][0-9a-f][0-9a-f] { yylval.num = strtol(&yytext[2], 0, 16); return HEXADDR; }

[_0-9a-z]+              { yylval.str = strdup(yytext); return NAME; }

[A-Z]+                  { yylval.str = strdup(yytext); return UNAME; }

[ \r\t]  { ; }

\n       { nextline(); return NEWLINE;}

"//".*\n { nextline(); return NEWLINE;}

.        { yyerror("illegal token\n"); }

%%

#ifndef yywrap

yywrap() { return 1; }

#endif