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Rudimentary phandle reference support.

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This commit is contained in:
David Gibson 2005-06-16 17:04:00 +10:00
parent 4102d840d9
commit 81f2e89c75
7 changed files with 175 additions and 52 deletions
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64
dtc-lexer.l
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@ -27,6 +27,8 @@ PROPCHAR [a-zA-Z0-9,._+*#?-]
UNITCHAR [0-9a-f,]
WS [ \t\n]
REFCHAR ({PROPCHAR}|{UNITCHAR}|[/@])
%%
%{
@ -34,14 +36,18 @@ WS [ \t\n]
#include "dtc-parser.tab.h"
/*#define LEXDEBUG 1 */
/*#define LEXDEBUG 1*/
#ifdef LEXDEBUG
#define DPRINT(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__)
#else
#define DPRINT(fmt, ...) do { } while (0)
#endif
%}
\"[^"]*\" {
#ifdef LEXDEBUG
fprintf(stderr, "String: %s\n", yytext);
#endif
DPRINT("String: %s\n", yytext);
yylval.data = data_copy_escape_string(yytext+1,
yyleng-2);
return DT_STRING;
@ -53,57 +59,49 @@ WS [ \t\n]
"Cell value %s too long\n", yytext);
}
yylval.cval = strtol(yytext, NULL, 16);
#ifdef LEXDEBUG
fprintf(stderr, "Cell: %x\n", yylval.cval);
#endif
DPRINT("Cell: %x\n", yylval.cval);
return DT_CELL;
}
<CELLDATA>">" {
#ifdef LEXDEBUG
fprintf(stderr, "/CELLDATA\n");
#endif
DPRINT("/CELLDATA\n");
BEGIN(INITIAL);
return '>';
}
<CELLDATA>\&{REFCHAR}* {
DPRINT("Ref: %s\n", yytext+1);
yylval.str = strdup(yytext+1);
return DT_REF;
}
<BYTESTRING>[0-9a-fA-F]{2} {
yylval.byte = strtol(yytext, NULL, 16);
#ifdef LEXDEBUG
fprintf(stderr, "Byte: %02x\n", (int)yylval.byte);
#endif
DPRINT("Byte: %02x\n", (int)yylval.byte);
return DT_BYTE;
}
<BYTESTRING>"]" {
#ifdef LEXDEBUG
fprintf(stderr, "/BYTESTRING\n");
#endif
DPRINT("/BYTESTRING\n");
BEGIN(INITIAL);
return ']';
}
{PROPCHAR}+ {
#ifdef LEXDEBUG
fprintf(stderr, "PropName: %s\n", yytext);
#endif
DPRINT("PropName: %s\n", yytext);
yylval.str = strdup(yytext);
return DT_PROPNAME;
}
{PROPCHAR}+(@{UNITCHAR}+)? {
#ifdef LEXDEBUG
fprintf(stderr, "NodeName: %s\n", yytext);
#endif
DPRINT("NodeName: %s\n", yytext);
yylval.str = strdup(yytext);
return DT_NODENAME;
}
[a-zA-Z_][a-zA-Z0-9_]*: {
#ifdef LEXDEBUG
fprintf(stderr, "Label: %s\n", yytext);
#endif
DPRINT("Label: %s\n", yytext);
yylval.str = strdup(yytext);
yylval.str[yyleng-1] = '\0';
return DT_LABEL;
@ -112,10 +110,8 @@ WS [ \t\n]
<*>{WS}+ /* eat whitespace */
<*>"/*"([^*]|\*+[^*/])*\*+"/" {
#ifdef LEXDEBUG
fprintf(stderr, "Comment: %s\n", yytext);
DPRINT("Comment: %s\n", yytext);
/* eat comments */
#endif
}
<*>"//".*\n /* eat line comments */
@ -123,23 +119,17 @@ WS [ \t\n]
. {
switch (yytext[0]) {
case '<':
#ifdef LEXDEBUG
fprintf(stderr, "CELLDATA\n");
#endif
DPRINT("CELLDATA\n");
BEGIN(CELLDATA);
break;
case '[':
#ifdef LEXDEBUG
fprintf(stderr, "BYTESTRING\n");
#endif
DPRINT("BYTESTRING\n");
BEGIN(BYTESTRING);
break;
default:
#ifdef LEXDEBUG
fprintf(stderr, "Char: %c (\\x%02x)\n", yytext[0],
DPRINT("Char: %c (\\x%02x)\n", yytext[0],
(unsigned)yytext[0]);
#endif
break;
}