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b2/: rename "again" to "continue"

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This commit is contained in:
Werner Almesberger 2012-05-22 15:33:22 -03:00
parent bb809b0d6c
commit 107280b6d5
5 changed files with 14 additions and 13 deletions
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4
b2/SUBST
View File

@ -8,7 +8,7 @@ BAR=x /* BAR= wouldn't be syntactically correct. We need a non-empty value */
FOO=(*)(?) {
BAR=$BAR$2
FOO=$1
again FOO
continue FOO
}
BAR=x(*) { $=$1 } /* remove the "x" */
@ -18,7 +18,7 @@ REF=R[0-9]* {
TOL <= 5%
FN=*% { TOL<=$$ }
break REF
// end break again ignore
// end break continue ignore
}
/*

4
b2/lang.y
View File

@ -609,8 +609,8 @@ block:
{
if (!strcmp($1, "break"))
$$ = subst_break($2);
else if (!strcmp($1, "again"))
$$ = subst_again($2);
else if (!strcmp($1, "continue"))
$$ = subst_continue($2);
else
yyerrorf("unknown keyword \"%s\"", $1);
}

4
b2/subex.c
View File

@ -205,7 +205,7 @@ static const struct subst *recurse_sub(const struct subst *sub,
if (jump) {
if (jump != sub)
return jump;
if (*cause == st_again)
if (*cause == st_continue)
continue;
}
break;
@ -222,7 +222,7 @@ static const struct subst *recurse_sub(const struct subst *sub,
case st_ignore:
return &jump_ignore;
case st_break:
case st_again:
case st_continue:
*cause = sub->type;
return sub->u.jump;
default:

11
b2/subst.c
View File

@ -262,11 +262,11 @@ struct subst *subst_break(const char *block)
}
struct subst *subst_again(const char *block)
struct subst *subst_continue(const char *block)
{
struct subst *sub;
sub = alloc_subst(st_again);
sub = alloc_subst(st_continue);
sub->u.tmp = block;
return sub;
}
@ -372,7 +372,7 @@ static void recurse_fin(struct subst *sub, const struct parent *parent)
break;
case st_break:
/* fall through */
case st_again:
case st_continue:
sub->u.jump = resolve_jump(sub->u.tmp, parent);
break;
default:
@ -445,8 +445,9 @@ static void recurse_dump(FILE *file, const struct subst *sub, int level)
case st_break:
fprintf(file, "break %s\n", sub->u.jump->u.match.src);
break;
case st_again:
fprintf(file, "again %s\n", sub->u.jump->u.match.src);
case st_continue:
fprintf(file, "continue %s\n",
sub->u.jump->u.match.src);
break;
default:
abort();

4
b2/subst.h
View File

@ -45,7 +45,7 @@ enum subst_type {
st_end, /* end the substitutions, accepting the part */
st_ignore, /* ignore the part */
st_break, /* jump to an outer block */
st_again, /* repeat an outer block */
st_continue, /* repeat an outer block */
};
struct subst {
@ -78,7 +78,7 @@ struct subst *subst_assign(const char *dst, enum relop op, const char *pat);
struct subst *subst_end(void);
struct subst *subst_ignore(void);
struct subst *subst_break(const char *block);
struct subst *subst_again(const char *block);
struct subst *subst_continue(const char *block);
void subst_finalize(struct subst *sub);