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Accept concatenated strings in attributes

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attribute(section("one" "two")) should be accepted (the section
name being "onetwo"), it's normal string concatenation.
This commit is contained in:
Michael Matz 2016-06-27 20:10:53 +02:00
parent b6799ccd2e
commit 8531de319a
1 changed files with 29 additions and 25 deletions
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54
tccgen.c
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@ -2982,6 +2982,20 @@ ST_FUNC void inc(int post, int c)
vpop(); /* if post op, return saved value */
}
static void parse_mult_str (CString *astr, const char *msg)
{
/* read the string */
if (tok != TOK_STR)
expect(msg);
cstr_new(astr);
while (tok == TOK_STR) {
/* XXX: add \0 handling too ? */
cstr_cat(astr, tokc.str.data, -1);
next();
}
cstr_ccat(astr, '\0');
}
/* Parse GNUC __attribute__ extension. Currently, the following
extensions are recognized:
- aligned(n) : set data/function alignment.
@ -2993,6 +3007,7 @@ ST_FUNC void inc(int post, int c)
static void parse_attribute(AttributeDef *ad)
{
int t, n;
CString astr;
while (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) {
next();
@ -3007,39 +3022,37 @@ static void parse_attribute(AttributeDef *ad)
case TOK_SECTION1:
case TOK_SECTION2:
skip('(');
if (tok != TOK_STR)
expect("section name");
ad->section = find_section(tcc_state, (char *)tokc.str.data);
next();
parse_mult_str(&astr, "section name");
ad->section = find_section(tcc_state, (char *)astr.data);
skip(')');
cstr_free(&astr);
break;
case TOK_ALIAS1:
case TOK_ALIAS2:
skip('(');
if (tok != TOK_STR)
expect("alias(\"target\")");
parse_mult_str(&astr, "alias(\"target\")");
ad->alias_target = /* save string as token, for later */
tok_alloc((char*)tokc.str.data, tokc.str.size-1)->tok;
next();
tok_alloc((char*)astr.data, astr.size-1)->tok;
skip(')');
cstr_free(&astr);
break;
case TOK_VISIBILITY1:
case TOK_VISIBILITY2:
skip('(');
if (tok != TOK_STR)
expect("visibility(\"default|hidden|internal|protected\")");
if (!strcmp (tokc.str.data, "default"))
parse_mult_str(&astr,
"visibility(\"default|hidden|internal|protected\")");
if (!strcmp (astr.data, "default"))
ad->a.visibility = STV_DEFAULT;
else if (!strcmp (tokc.str.data, "hidden"))
else if (!strcmp (astr.data, "hidden"))
ad->a.visibility = STV_HIDDEN;
else if (!strcmp (tokc.str.data, "internal"))
else if (!strcmp (astr.data, "internal"))
ad->a.visibility = STV_INTERNAL;
else if (!strcmp (tokc.str.data, "protected"))
else if (!strcmp (astr.data, "protected"))
ad->a.visibility = STV_PROTECTED;
else
expect("visibility(\"default|hidden|internal|protected\")");
next();
skip(')');
cstr_free(&astr);
break;
case TOK_ALIGNED1:
case TOK_ALIGNED2:
@ -3654,16 +3667,7 @@ static inline void convert_parameter_type(CType *pt)
ST_FUNC void parse_asm_str(CString *astr)
{
skip('(');
/* read the string */
if (tok != TOK_STR)
expect("string constant");
cstr_new(astr);
while (tok == TOK_STR) {
/* XXX: add \0 handling too ? */
cstr_cat(astr, tokc.str.data, -1);
next();
}
cstr_ccat(astr, '\0');
parse_mult_str(astr, "string constant");
}
/* Parse an asm label and return the token */