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