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introduce macro R_ERR to reduce repetitive code 

Introduce a new preprocessor macro R_ERR to visually reduce repetitive code
checking for return values and going to the err: label at the end of the
function node_extended_grapheme_cluster().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66057 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
duerst 2018-11-28 00:53:35 +00:00
Родитель 7cb0965822
Коммит 97a8334cd3
1 изменённых файлов: 46 добавлений и 85 удалений
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131
regparse.c
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@ -5800,6 +5800,8 @@ create_sequence_node(Node **np, Node **node_array)
return 0;
}
#define R_ERR(call) r=(call);if(r!=0)goto err
static int
node_extended_grapheme_cluster(Node** np, ScanEnv* env)
{
@ -5835,17 +5837,13 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
/* Unicode 10.0.0 */
/* ( Grapheme_Extend | SpacingMark )* */
r = create_property_node(&np1, env, "Grapheme_Cluster_Break=Extend");
if (r != 0) goto err;
R_ERR(create_property_node(&np1, env, "Grapheme_Cluster_Break=Extend"));
cc = NCCLASS(np1);
r = add_property_to_cc(cc, "Grapheme_Cluster_Break=SpacingMark", 0, env);
if (r != 0) goto err;
r = add_code_range(&(cc->mbuf), env, 0x200D, 0x200D);
if (r != 0) goto err;
R_ERR(add_property_to_cc(cc, "Grapheme_Cluster_Break=SpacingMark", 0, env));
R_ERR(add_code_range(&(cc->mbuf), env, 0x200D, 0x200D));
r = quantify_node(&np1, 0, REPEAT_INFINITE);
if (r != 0) goto err;
R_ERR(quantify_node(&np1, 0, REPEAT_INFINITE));
tmp = node_new_list(np1, NULL_NODE);
if (IS_NULL(tmp)) goto err;
@ -5858,13 +5856,11 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
np1 = node_new_cclass();
if (IS_NULL(np1)) goto err;
cc = NCCLASS(np1);
r = add_property_to_cc(cc, "Grapheme_Cluster_Break=Control", 1, env);
if (r != 0) goto err;
R_ERR(add_property_to_cc(cc, "Grapheme_Cluster_Break=Control", 1, env));
if (ONIGENC_MBC_MINLEN(env->enc) > 1) {
BBuf *pbuf2 = NULL;
r = add_code_range(&pbuf1, env, 0x0a, 0x0a);
if (r != 0) goto err;
r = add_code_range(&pbuf1, env, 0x0d, 0x0d);
R_ERR(add_code_range(&pbuf1, env, 0x0a, 0x0a));
R_ERR(add_code_range(&pbuf1, env, 0x0d, 0x0d));
if (r != 0) goto err;
r = and_code_range_buf(cc->mbuf, 0, pbuf1, 1, &pbuf2, env);
if (r != 0) {
@ -5901,8 +5897,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
/* these are equivalent, so we leave things as is for the moment */
/* T+ */
r = quantify_property_node(&np1, env, "Grapheme_Cluster_Break=T", '+');
if (r != 0) goto err;
R_ERR(quantify_property_node(&np1, env, "Grapheme_Cluster_Break=T", '+'));
tmp = onig_node_new_alt(np1, alt);
if (IS_NULL(tmp)) goto err;
@ -5910,8 +5905,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
np1 = NULL;
/* L+ */
r = quantify_property_node(&np1, env, "Grapheme_Cluster_Break=L", '+');
if (r != 0) goto err;
R_ERR(quantify_property_node(&np1, env, "Grapheme_Cluster_Break=L", '+'));
tmp = onig_node_new_alt(np1, alt);
if (IS_NULL(tmp)) goto err;
@ -5922,16 +5916,12 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
{
Node* seq[4];
r = quantify_property_node(seq+0, env, "Grapheme_Cluster_Break=L", '*');
if (r != 0) goto err;
r = create_property_node(seq+1, env, "Grapheme_Cluster_Break=LVT");
if (r != 0) goto err;
r = quantify_property_node(seq+2, env, "Grapheme_Cluster_Break=T", '*');
if (r != 0) goto err;
R_ERR(quantify_property_node(seq+0, env, "Grapheme_Cluster_Break=L", '*'));
R_ERR(create_property_node(seq+1, env, "Grapheme_Cluster_Break=LVT"));
R_ERR(quantify_property_node(seq+2, env, "Grapheme_Cluster_Break=T", '*'));
seq[3] = NULL_NODE;
r = create_sequence_node(&list2, seq);
if (r != 0) goto err;
R_ERR(create_sequence_node(&list2, seq));
}
tmp = onig_node_new_alt(list2, alt);
@ -5943,18 +5933,13 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
{
Node* seq[5];
r = quantify_property_node(seq+0, env, "Grapheme_Cluster_Break=L", '*');
if (r != 0) goto err;
r = create_property_node(seq+1, env, "Grapheme_Cluster_Break=LV");
if (r != 0) goto err;
r = quantify_property_node(seq+2, env, "Grapheme_Cluster_Break=V", '*');
if (r != 0) goto err;
r = quantify_property_node(seq+3, env, "Grapheme_Cluster_Break=T", '*');
if (r != 0) goto err;
R_ERR(quantify_property_node(seq+0, env, "Grapheme_Cluster_Break=L", '*'));
R_ERR(create_property_node(seq+1, env, "Grapheme_Cluster_Break=LV"));
R_ERR(quantify_property_node(seq+2, env, "Grapheme_Cluster_Break=V", '*'));
R_ERR(quantify_property_node(seq+3, env, "Grapheme_Cluster_Break=T", '*'));
seq[4] = NULL_NODE;
r = create_sequence_node(&list2, seq);
if (r != 0) goto err;
R_ERR(create_sequence_node(&list2, seq));
}
tmp = onig_node_new_alt(list2, alt);
@ -5966,16 +5951,12 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
{
Node* seq[4];
r = quantify_property_node(seq+0, env, "Grapheme_Cluster_Break=L", '*');
if (r != 0) goto err;
r = quantify_property_node(seq+1, env, "Grapheme_Cluster_Break=V", '+');
if (r != 0) goto err;
r = quantify_property_node(seq+2, env, "Grapheme_Cluster_Break=T", '*');
if (r != 0) goto err;
R_ERR(quantify_property_node(seq+0, env, "Grapheme_Cluster_Break=L", '*'));
R_ERR(quantify_property_node(seq+1, env, "Grapheme_Cluster_Break=V", '+'));
R_ERR(quantify_property_node(seq+2, env, "Grapheme_Cluster_Break=T", '*'));
seq[3] = NULL_NODE;
r = create_sequence_node(&list2, seq);
if (r != 0) goto err;
R_ERR(create_sequence_node(&list2, seq));
}
tmp = onig_node_new_alt(list2, alt);
@ -5989,24 +5970,21 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
* (ZWJ (Glue_After_Zwj | EBG Extend* E_Modifier?) )* */
/* ZWJ (Glue_After_Zwj | E_Base_GAZ Extend* E_Modifier?) */
r = quantify_property_node(&np1, env, "Grapheme_Cluster_Break=E_Modifier", '?');
if (r != 0) goto err;
R_ERR(quantify_property_node(&np1, env, "Grapheme_Cluster_Break=E_Modifier", '?'));
tmp = node_new_list(np1, NULL_NODE);
if (IS_NULL(tmp)) goto err;
list2 = tmp;
np1 = NULL;
r = quantify_property_node(&np1, env, "Grapheme_Cluster_Break=Extend", '*');
if (r != 0) goto err;
R_ERR(quantify_property_node(&np1, env, "Grapheme_Cluster_Break=Extend", '*'));
tmp = node_new_list(np1, list2);
if (IS_NULL(tmp)) goto err;
list2 = tmp;
np1 = NULL;
r = create_property_node(&np1, env, "Grapheme_Cluster_Break=E_Base_GAZ");
if (r != 0) goto err;
R_ERR(create_property_node(&np1, env, "Grapheme_Cluster_Break=E_Base_GAZ"));
tmp = node_new_list(np1, list2);
if (IS_NULL(tmp)) goto err;
@ -6020,8 +5998,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
/* Unicode 10.0.0 */
/* Glue_After_Zwj */
r = quantify_property_node(&np1, env, "Grapheme_Cluster_Break=Extend", '*');
if (r != 0) goto err;
R_ERR(quantify_property_node(&np1, env, "Grapheme_Cluster_Break=Extend", '*'));
tmp = node_new_list(np1, NULL_NODE);
if (IS_NULL(tmp)) goto err;
@ -6033,11 +6010,9 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
cc = NCCLASS(np1);
{
const OnigCodePoint *ranges = onigenc_unicode_GCB_ranges_GAZ;
r = add_ctype_to_cc_by_range(cc, -1, 0, env, sb_out, ranges);
if (r != 0) goto err;
R_ERR(add_ctype_to_cc_by_range(cc, -1, 0, env, sb_out, ranges));
}
r = add_property_to_cc(cc, "Grapheme_Cluster_Break=Glue_After_Zwj", 0, env);
if (r != 0) goto err;
R_ERR(add_property_to_cc(cc, "Grapheme_Cluster_Break=Glue_After_Zwj", 0, env));
tmp = node_new_list(np1, list2);
if (IS_NULL(tmp)) goto err;
@ -6058,8 +6033,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
np1 = node_new_str_raw(buf, buf + r);
if (IS_NULL(np1)) goto err;
r = quantify_node(&np1, 0, 1);
if (r != 0) goto err;
R_ERR(quantify_node(&np1, 0, 1));
tmp = node_new_list(np1, NULL_NODE);
if (IS_NULL(tmp)) goto err;
@ -6071,8 +6045,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
cc = NCCLASS(np1);
{
const OnigCodePoint *ranges = onigenc_unicode_GCB_ranges_Emoji;
r = add_ctype_to_cc_by_range(cc, -1, 0, env, sb_out, ranges);
if (r != 0) goto err;
R_ERR(add_ctype_to_cc_by_range(cc, -1, 0, env, sb_out, ranges));
}
tmp = node_new_list(np1, list2);
@ -6101,8 +6074,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
list2 = tmp;
np1 = NULL;
r = quantify_node(&list2, 0, REPEAT_INFINITE);
if (r != 0) goto err;
R_ERR(quantify_node(&list2, 0, REPEAT_INFINITE));
np1 = list2;
list2 = NULL;
@ -6112,8 +6084,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
np1 = NULL;
/* E_Modifier? */
r = quantify_property_node(&np1, env, "Grapheme_Cluster_Break=E_Modifier", '?');
if (r != 0) goto err;
R_ERR(quantify_property_node(&np1, env, "Grapheme_Cluster_Break=E_Modifier", '?'));
tmp = node_new_list(np1, list2);
if (IS_NULL(tmp)) goto err;
@ -6121,8 +6092,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
np1 = NULL;
/* Extend* */
r = quantify_property_node(&np1, env, "Grapheme_Cluster_Break=Extend", '*');
if (r != 0) goto err;
R_ERR(quantify_property_node(&np1, env, "Grapheme_Cluster_Break=Extend", '*'));
tmp = node_new_list(np1, list2);
if (IS_NULL(tmp)) goto err;
@ -6135,13 +6105,10 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
cc = NCCLASS(np1);
{
const OnigCodePoint *ranges = onigenc_unicode_GCB_ranges_E_Base;
r = add_ctype_to_cc_by_range(cc, -1, 0, env, sb_out, ranges);
if (r != 0) goto err;
R_ERR(add_ctype_to_cc_by_range(cc, -1, 0, env, sb_out, ranges));
}
r = add_property_to_cc(cc, "Grapheme_Cluster_Break=E_Base", 0, env);
if (r != 0) goto err;
r = add_property_to_cc(cc, "Grapheme_Cluster_Break=E_Base_GAZ", 0, env);
if (r != 0) goto err;
R_ERR(add_property_to_cc(cc, "Grapheme_Cluster_Break=E_Base", 0, env));
R_ERR(add_property_to_cc(cc, "Grapheme_Cluster_Break=E_Base_GAZ", 0, env));
tmp = node_new_list(np1, list2);
if (IS_NULL(tmp)) goto err;
@ -6159,8 +6126,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
* has such examples.
* http://www.unicode.org/Public/9.0.0/ucd/auxiliary/GraphemeBreakTest.html
*/
r = quantify_property_node(&np1, env, "Grapheme_Cluster_Break=E_Modifier", '?');
if (r != 0) goto err;
R_ERR(quantify_property_node(&np1, env, "Grapheme_Cluster_Break=E_Modifier", '?'));
tmp = node_new_list(np1, NULL_NODE);
if (IS_NULL(tmp)) goto err;
@ -6170,10 +6136,8 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
np1 = node_new_cclass();
if (IS_NULL(np1)) goto err;
cc = NCCLASS(np1);
r = add_property_to_cc(cc, "Grapheme_Cluster_Break=Glue_After_Zwj", 0, env);
if (r != 0) goto err;
r = add_property_to_cc(cc, "Grapheme_Cluster_Break=E_Base_GAZ", 0, env);
if (r != 0) goto err;
R_ERR(add_property_to_cc(cc, "Grapheme_Cluster_Break=Glue_After_Zwj", 0, env));
R_ERR(add_property_to_cc(cc, "Grapheme_Cluster_Break=E_Base_GAZ", 0, env));
tmp = node_new_list(np1, list2);
if (IS_NULL(tmp)) goto err;
@ -6199,8 +6163,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
/* this is actually Regional_Indicator+ in Unicode 10.0.0,
* but it is Regional_Indicator{2} in Unicode 11.0.0, so no need to fix */
/* RI-Sequence := Regional_Indicator{2} */
r = quantify_property_node(&np1, env, "Regional_Indicator", '2');
if (r != 0) goto err;
R_ERR(quantify_property_node(&np1, env, "Regional_Indicator", '2'));
tmp = node_new_list(np1, list2);
if (IS_NULL(tmp)) goto err;
@ -6218,8 +6181,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
alt = NULL;
/* Prepend* */
r = quantify_property_node(&np1, env, "Grapheme_Cluster_Break=Prepend", '*');
if (r != 0) goto err;
R_ERR(quantify_property_node(&np1, env, "Grapheme_Cluster_Break=Prepend", '*'));
tmp = node_new_list(np1, list);
if (IS_NULL(tmp)) goto err;
@ -6248,16 +6210,14 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
np1 = node_new_str_raw(buf, buf + r);
if (IS_NULL(np1)) goto err;
r = quantify_node(&np1, 0, 1);
if (r != 0) goto err;
R_ERR(quantify_node(&np1, 0, 1));
tmp = node_new_list(np1, NULL_NODE);
if (IS_NULL(tmp)) goto err;
list2 = tmp;
np1 = NULL;
r = quantify_property_node(&np1, env, "Grapheme_Cluster_Break=Prepend", '+');
if (r != 0) goto err;
R_ERR(quantify_property_node(&np1, env, "Grapheme_Cluster_Break=Prepend", '+'));
tmp = node_new_list(np1, list2);
if (IS_NULL(tmp)) goto err;
@ -6340,6 +6300,7 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
bbuf_free(pbuf1);
return (r == 0) ? ONIGERR_MEMORY : r;
}
#undef R_ERR
static int
countbits(unsigned int bits)