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Add support for decimal, octal and binary based cell values.

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New syntax d#, b#, o# and h# allow for an explicit prefix
on cell values to specify their base.  Eg: <d# 123>

Signed-off-by: Jon Loeliger <jdl@freescale.com>
This commit is contained in:
Jon Loeliger 2007-02-15 10:59:27 -06:00
parent c226ddcabc
commit af0278a3a0
4 changed files with 51 additions and 8 deletions
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21
dtc-lexer.l
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@ -83,15 +83,24 @@ REFCHAR ({PROPCHAR}|{UNITCHAR}|[/@])
BEGIN(INITIAL);
return ';';
}
<CELLDATA>[bodh]# {
yylloc.first_line = yylineno;
if (*yytext == 'b')
yylval.cbase = 2;
else if (*yytext == 'o')
yylval.cbase = 8;
else if (*yytext == 'd')
yylval.cbase = 10;
else
yylval.cbase = 16;
DPRINT("Base: %d\n", yylval.cbase);
return DT_BASE;
}
<CELLDATA>[0-9a-fA-F]+ {
yylloc.first_line = yylineno;
if (yyleng > 2*sizeof(yylval.cval)) {
fprintf(stderr,
"Cell value %s too long\n", yytext);
}
yylval.cval = strtoul(yytext, NULL, 16);
DPRINT("Cell: %x\n", yylval.cval);
yylval.str = strdup(yytext);
DPRINT("Cell: '%s'\n", yylval.str);
return DT_CELL;
}