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dtc: Support character literals in cell lists

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With this patch the following property assignment:

    property = <0x12345678 'a' '\r' 100>;

is equivalent to:

    property = <0x12345678 0x00000061 0x0000000D 0x00000064>

Signed-off-by: Anton Staaf <robotboy@chromium.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Anton Staaf 2011-09-09 12:16:30 -07:00 • committed by Jon Loeliger
parent 83df28bd39
commit a4ea2fa951
9 changed files with 107 additions and 1 deletions
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8
dtc-lexer.l
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@ -29,6 +29,7 @@ PROPNODECHAR [a-zA-Z0-9,._+*#?@-]
PATHCHAR ({PROPNODECHAR}|[/])
LABEL [a-zA-Z_][a-zA-Z0-9_]*
STRING \"([^\\"]|\\.)*\"
CHAR_LITERAL '([^']|\\')*'
WS [[:space:]]
COMMENT "/*"([^*]|\*+[^*/])*\*+"/"
LINECOMMENT "//".*\n
@ -109,6 +110,13 @@ static int pop_input_file(void);
return DT_LITERAL;
}
<*>{CHAR_LITERAL} {
yytext[yyleng-1] = '\0';
yylval.literal = xstrdup(yytext+1);
DPRINT("Character literal: %s\n", yylval.literal);
return DT_CHAR_LITERAL;
}
<*>\&{LABEL} { /* label reference */
DPRINT("Ref: %s\n", yytext+1);
yylval.labelref = xstrdup(yytext+1);