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use gu_string_buf_data in the Java binding to avoid double copying of strings

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krasimir
2017-04-13 13:21:32 +00:00
parent 9aeb45e1cc
commit e650b9c5fc
3 changed files with 41 additions and 19 deletions
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34
src/runtime/java/jpgf.c
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@@ -472,13 +472,14 @@ jpgf_literal_callback_match(PgfLiteralCallback* self, PgfConcr* concr,
GuPool* tmp_pool = gu_local_pool();
GuExn* err = gu_exn(tmp_pool);
GuStringBuf* sbuf = gu_string_buf(tmp_pool);
GuStringBuf* sbuf = gu_new_string_buf(tmp_pool);
GuOut* out = gu_string_buf_out(sbuf);
pgf_print_expr(ep->expr, NULL, 0, out, err);
GuString str = gu_string_buf_freeze(sbuf, tmp_pool);
GuIn* in = gu_data_in((uint8_t*) str, strlen(str), tmp_pool);
GuString str = gu_string_buf_data(sbuf);
size_t len = gu_string_buf_length(sbuf);
GuIn* in = gu_data_in((uint8_t*) str, len, tmp_pool);
ep->expr = pgf_read_expr(in, out_pool, err);
if (!gu_ok(err) || gu_variant_is_null(ep->expr)) {
@@ -683,7 +684,7 @@ Java_org_grammaticalframework_pgf_Concr_linearize(JNIEnv* env, jobject self, job
{
GuPool* tmp_pool = gu_local_pool();
GuExn* err = gu_exn(tmp_pool);
GuStringBuf* sbuf = gu_string_buf(tmp_pool);
GuStringBuf* sbuf = gu_new_string_buf(tmp_pool);
GuOut* out = gu_string_buf_out(sbuf);
pgf_linearize(get_ref(env, self), gu_variant_from_ptr((void*) get_ref(env, jexpr)), out, err);
@@ -701,8 +702,7 @@ Java_org_grammaticalframework_pgf_Concr_linearize(JNIEnv* env, jobject self, job
return NULL;
}
GuString str = gu_string_buf_freeze(sbuf, tmp_pool);
jstring jstr = gu2j_string(env, str);
jstring jstr = gu2j_string_buf(env, sbuf);
gu_pool_free(tmp_pool);
@@ -738,7 +738,7 @@ Java_org_grammaticalframework_pgf_Concr_linearizeAll(JNIEnv* env, jobject self,
break;
GuPool* step_pool = gu_local_pool();
GuStringBuf* sbuf = gu_string_buf(step_pool);
GuStringBuf* sbuf = gu_new_string_buf(step_pool);
GuOut* out = gu_string_buf_out(sbuf);
ctree = pgf_lzr_wrap_linref(ctree, step_pool);
@@ -758,9 +758,8 @@ Java_org_grammaticalframework_pgf_Concr_linearizeAll(JNIEnv* env, jobject self,
return NULL;
}
GuString str = gu_string_buf_freeze(sbuf, step_pool);
jstring jstr = gu2j_string(env, str);
jstring jstr = gu2j_string_buf(env, sbuf);
(*env)->CallBooleanMethod(env, strings, addId, jstr);
gu_pool_free(step_pool);
@@ -820,15 +819,14 @@ Java_org_grammaticalframework_pgf_Concr_tabularLinearize(JNIEnv* env, jobject se
pgf_lzr_get_table(concr, ctree, &n_lins, &labels);
for (size_t lin_idx = 0; lin_idx < n_lins; lin_idx++) {
GuStringBuf* sbuf = gu_string_buf(tmp_pool);
GuStringBuf* sbuf = gu_new_string_buf(tmp_pool);
GuOut* out = gu_string_buf_out(sbuf);
pgf_lzr_linearize_simple(concr, ctree, lin_idx, out, err, tmp_pool);
jstring jstr = NULL;
if (gu_ok(err)) {
GuString str = gu_string_buf_freeze(sbuf, tmp_pool);
jstr = gu2j_string(env, str);
jstr = gu2j_string_buf(env, sbuf);
} else {
gu_exn_clear(err);
}
@@ -1159,13 +1157,12 @@ Java_org_grammaticalframework_pgf_Expr_showExpr(JNIEnv* env, jclass clazz, jlong
GuPool* tmp_pool = gu_local_pool();
GuExn* err = gu_exn(tmp_pool);
GuStringBuf* sbuf = gu_string_buf(tmp_pool);
GuStringBuf* sbuf = gu_new_string_buf(tmp_pool);
GuOut* out = gu_string_buf_out(sbuf);
pgf_print_expr(gu_variant_from_ptr(l2p(ref)), NULL, 0, out, err);
GuString str = gu_string_buf_freeze(sbuf, tmp_pool);
jstring jstr = gu2j_string(env, str);
jstring jstr = gu2j_string_buf(env, sbuf);
gu_pool_free(tmp_pool);
return jstr;
@@ -1284,13 +1281,12 @@ Java_org_grammaticalframework_pgf_Type_toString(JNIEnv* env, jobject self)
GuPool* tmp_pool = gu_local_pool();
GuExn* err = gu_exn(tmp_pool);
GuStringBuf* sbuf = gu_string_buf(tmp_pool);
GuStringBuf* sbuf = gu_new_string_buf(tmp_pool);
GuOut* out = gu_string_buf_out(sbuf);
pgf_print_type(get_ref(env, self), NULL, 0, out, err);
GuString str = gu_string_buf_freeze(sbuf, tmp_pool);
jstring jstr = gu2j_string(env, str);
jstring jstr = gu2j_string_buf(env, sbuf);
gu_pool_free(tmp_pool);
return jstr;