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test: use index_in_strings

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function                                             old     new   delta
ops_texts                                              -     124    +124
ops_table                                              -      80     +80
display_process_list                                1447    1448      +1
binop                                                525     523      -2
static.no_op                                           6       2      -4
check_operator                                        71      63      -8
ops                                                  240       -    -240
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 1/3 up/down: 205/-254)          Total: -49 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2009-09-12 22:41:57 +02:00
parent fe73798135
commit c541a8955d
1 changed files with 95 additions and 59 deletions
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154
coreutils/test.c
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@ -222,7 +222,7 @@ static const char *const TOKSTR[] = {
#define unnest_msg_and_return(expr, ...) return expr #define unnest_msg_and_return(expr, ...) return expr
#endif #endif
enum token_types { enum {
UNOP, UNOP,
BINOP, BINOP,
BUNOP, BUNOP,
@ -231,53 +231,96 @@ enum token_types {
}; };
struct operator_t { struct operator_t {
char op_text[4];
unsigned char op_num, op_type; unsigned char op_num, op_type;
}; };
static const struct operator_t ops[] = { static const struct operator_t ops_table[] = {
{ "-r", FILRD , UNOP }, { /* "-r" */ FILRD , UNOP },
{ "-w", FILWR , UNOP }, { /* "-w" */ FILWR , UNOP },
{ "-x", FILEX , UNOP }, { /* "-x" */ FILEX , UNOP },
{ "-e", FILEXIST, UNOP }, { /* "-e" */ FILEXIST, UNOP },
{ "-f", FILREG , UNOP }, { /* "-f" */ FILREG , UNOP },
{ "-d", FILDIR , UNOP }, { /* "-d" */ FILDIR , UNOP },
{ "-c", FILCDEV , UNOP }, { /* "-c" */ FILCDEV , UNOP },
{ "-b", FILBDEV , UNOP }, { /* "-b" */ FILBDEV , UNOP },
{ "-p", FILFIFO , UNOP }, { /* "-p" */ FILFIFO , UNOP },
{ "-u", FILSUID , UNOP }, { /* "-u" */ FILSUID , UNOP },
{ "-g", FILSGID , UNOP }, { /* "-g" */ FILSGID , UNOP },
{ "-k", FILSTCK , UNOP }, { /* "-k" */ FILSTCK , UNOP },
{ "-s", FILGZ , UNOP }, { /* "-s" */ FILGZ , UNOP },
{ "-t", FILTT , UNOP }, { /* "-t" */ FILTT , UNOP },
{ "-z", STREZ , UNOP }, { /* "-z" */ STREZ , UNOP },
{ "-n", STRNZ , UNOP }, { /* "-n" */ STRNZ , UNOP },
{ "-h", FILSYM , UNOP }, /* for backwards compat */ { /* "-h" */ FILSYM , UNOP }, /* for backwards compat */
{ "-O" , FILUID , UNOP }, { /* "-O" */ FILUID , UNOP },
{ "-G" , FILGID , UNOP }, { /* "-G" */ FILGID , UNOP },
{ "-L" , FILSYM , UNOP }, { /* "-L" */ FILSYM , UNOP },
{ "-S" , FILSOCK, UNOP }, { /* "-S" */ FILSOCK , UNOP },
{ "=" , STREQ , BINOP }, { /* "=" */ STREQ , BINOP },
{ "==" , STREQ , BINOP }, { /* "==" */ STREQ , BINOP },
{ "!=" , STRNE , BINOP }, { /* "!=" */ STRNE , BINOP },
{ "<" , STRLT , BINOP }, { /* "<" */ STRLT , BINOP },
{ ">" , STRGT , BINOP }, { /* ">" */ STRGT , BINOP },
{ "-eq", INTEQ , BINOP }, { /* "-eq"*/ INTEQ , BINOP },
{ "-ne", INTNE , BINOP }, { /* "-ne"*/ INTNE , BINOP },
{ "-ge", INTGE , BINOP }, { /* "-ge"*/ INTGE , BINOP },
{ "-gt", INTGT , BINOP }, { /* "-gt"*/ INTGT , BINOP },
{ "-le", INTLE , BINOP }, { /* "-le"*/ INTLE , BINOP },
{ "-lt", INTLT , BINOP }, { /* "-lt"*/ INTLT , BINOP },
{ "-nt", FILNT , BINOP }, { /* "-nt"*/ FILNT , BINOP },
{ "-ot", FILOT , BINOP }, { /* "-ot"*/ FILOT , BINOP },
{ "-ef", FILEQ , BINOP }, { /* "-ef"*/ FILEQ , BINOP },
{ "!" , UNOT , BUNOP }, { /* "!" */ UNOT , BUNOP },
{ "-a" , BAND , BBINOP }, { /* "-a" */ BAND , BBINOP },
{ "-o" , BOR , BBINOP }, { /* "-o" */ BOR , BBINOP },
{ "(" , LPAREN , PAREN }, { /* "(" */ LPAREN , PAREN },
{ ")" , RPAREN , PAREN }, { /* ")" */ RPAREN , PAREN },
}; };
/* Please keep these two tables in sync */
static const char ops_texts[] ALIGN1 =
"-r" "\0"
"-w" "\0"
"-x" "\0"
"-e" "\0"
"-f" "\0"
"-d" "\0"
"-c" "\0"
"-b" "\0"
"-p" "\0"
"-u" "\0"
"-g" "\0"
"-k" "\0"
"-s" "\0"
"-t" "\0"
"-z" "\0"
"-n" "\0"
"-h" "\0"
"-O" "\0"
"-G" "\0"
"-L" "\0"
"-S" "\0"
"=" "\0"
"==" "\0"
"!=" "\0"
"<" "\0"
">" "\0"
"-eq" "\0"
"-ne" "\0"
"-ge" "\0"
"-gt" "\0"
"-le" "\0"
"-lt" "\0"
"-nt" "\0"
"-ot" "\0"
"-ef" "\0"
"!" "\0"
"-a" "\0"
"-o" "\0"
"(" "\0"
")" "\0"
;
#if ENABLE_FEATURE_TEST_64 #if ENABLE_FEATURE_TEST_64
@ -384,29 +427,22 @@ static int equalf(const char *f1, const char *f2)
*/ */
static enum token check_operator(char *s) static enum token check_operator(const char *s)
{ {
static const struct operator_t no_op = { static const struct operator_t no_op = {
.op_num = -1, .op_num = -1,
.op_type = -1 .op_type = -1
}; };
const struct operator_t *op; int n;
last_operator = &no_op; last_operator = &no_op;
if (s == NULL) { if (s == NULL)
return EOI; return EOI;
} n = index_in_strings(ops_texts, s);
if (n < 0)
op = ops; return OPERAND;
do { last_operator = &ops_table[n];
if (strcmp(s, op->op_text) == 0) { return ops_table[n].op_num;
last_operator = op;
return op->op_num;
}
op++;
} while (op < ops + ARRAY_SIZE(ops));
return OPERAND;
} }
@ -422,7 +458,7 @@ static int binop(void)
opnd2 = *++args; opnd2 = *++args;
if (opnd2 == NULL) if (opnd2 == NULL)
syntax(op->op_text, "argument expected"); syntax(args[-1], "argument expected");
if (is_int_op(op->op_num)) { if (is_int_op(op->op_num)) {
val1 = getn(opnd1); val1 = getn(opnd1);