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Merge pull request #723 from sogaiu/new-style-core-fn-decl-for-tuple

Update tuple.c with new style core function declarations.
This commit is contained in:
Calvin Rose 2021-07-25 22:41:42 -05:00 committed by GitHub
commit 6e3355d7f2
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@ -55,19 +55,35 @@ const Janet *janet_tuple_n(const Janet *values, int32_t n) {
/* C Functions */
static Janet cfun_tuple_brackets(int32_t argc, Janet *argv) {
JANET_CORE_FN(cfun_tuple_brackets,
"(tuple/brackets & xs)",
"Creates a new bracketed tuple containing the elements xs.") {
const Janet *tup = janet_tuple_n(argv, argc);
janet_tuple_flag(tup) |= JANET_TUPLE_FLAG_BRACKETCTOR;
return janet_wrap_tuple(tup);
}
static Janet cfun_tuple_slice(int32_t argc, Janet *argv) {
JANET_CORE_FN(cfun_tuple_slice,
"(tuple/slice arrtup [,start=0 [,end=(length arrtup)]])",
"Take a sub sequence of an array or tuple from index start "
"inclusive to index end exclusive. If start or end are not provided, "
"they default to 0 and the length of arrtup respectively. "
"'start' and 'end' can also be negative to indicate indexing "
"from the end of the input. Note that index -1 is synonymous with "
"index '(length arrtup)' to allow a full negative slice range. "
"Returns the new tuple.") {
JanetView view = janet_getindexed(argv, 0);
JanetRange range = janet_getslice(argc, argv);
return janet_wrap_tuple(janet_tuple_n(view.items + range.start, range.end - range.start));
}
static Janet cfun_tuple_type(int32_t argc, Janet *argv) {
JANET_CORE_FN(cfun_tuple_type,
"(tuple/type tup)",
"Checks how the tuple was constructed. Will return the keyword "
":brackets if the tuple was parsed with brackets, and :parens "
"otherwise. The two types of tuples will behave the same most of "
"the time, but will print differently and be treated differently by "
"the compiler.") {
janet_fixarity(argc, 1);
const Janet *tup = janet_gettuple(argv, 0);
if (janet_tuple_flag(tup) & JANET_TUPLE_FLAG_BRACKETCTOR) {
@ -77,7 +93,10 @@ static Janet cfun_tuple_type(int32_t argc, Janet *argv) {
}
}
static Janet cfun_tuple_sourcemap(int32_t argc, Janet *argv) {
JANET_CORE_FN(cfun_tuple_sourcemap,
"(tuple/sourcemap tup)",
"Returns the sourcemap metadata attached to a tuple, "
" which is another tuple (line, column).") {
janet_fixarity(argc, 1);
const Janet *tup = janet_gettuple(argv, 0);
Janet contents[2];
@ -86,7 +105,10 @@ static Janet cfun_tuple_sourcemap(int32_t argc, Janet *argv) {
return janet_wrap_tuple(janet_tuple_n(contents, 2));
}
static Janet cfun_tuple_setmap(int32_t argc, Janet *argv) {
JANET_CORE_FN(cfun_tuple_setmap,
"(tuple/setmap tup line column)",
"Set the sourcemap metadata on a tuple. line and column indicate "
"should be integers.") {
janet_fixarity(argc, 3);
const Janet *tup = janet_gettuple(argv, 0);
janet_tuple_head(tup)->sm_line = janet_getinteger(argv, 1);
@ -94,48 +116,15 @@ static Janet cfun_tuple_setmap(int32_t argc, Janet *argv) {
return argv[0];
}
static const JanetReg tuple_cfuns[] = {
{
"tuple/brackets", cfun_tuple_brackets,
JDOC("(tuple/brackets & xs)\n\n"
"Creates a new bracketed tuple containing the elements xs.")
},
{
"tuple/slice", cfun_tuple_slice,
JDOC("(tuple/slice arrtup [,start=0 [,end=(length arrtup)]])\n\n"
"Take a sub sequence of an array or tuple from index start "
"inclusive to index end exclusive. If start or end are not provided, "
"they default to 0 and the length of arrtup respectively. "
"'start' and 'end' can also be negative to indicate indexing "
"from the end of the input. Note that index -1 is synonymous with "
"index '(length arrtup)' to allow a full negative slice range. "
"Returns the new tuple.")
},
{
"tuple/type", cfun_tuple_type,
JDOC("(tuple/type tup)\n\n"
"Checks how the tuple was constructed. Will return the keyword "
":brackets if the tuple was parsed with brackets, and :parens "
"otherwise. The two types of tuples will behave the same most of "
"the time, but will print differently and be treated differently by "
"the compiler.")
},
{
"tuple/sourcemap", cfun_tuple_sourcemap,
JDOC("(tuple/sourcemap tup)\n\n"
"Returns the sourcemap metadata attached to a tuple, "
" which is another tuple (line, column).")
},
{
"tuple/setmap", cfun_tuple_setmap,
JDOC("(tuple/setmap tup line column)\n\n"
"Set the sourcemap metadata on a tuple. line and column indicate "
"should be integers.")
},
{NULL, NULL, NULL}
};
/* Load the tuple module */
void janet_lib_tuple(JanetTable *env) {
janet_core_cfuns(env, NULL, tuple_cfuns);
JanetRegExt tuple_cfuns[] = {
JANET_CORE_REG("tuple/brackets", cfun_tuple_brackets),
JANET_CORE_REG("tuple/slice", cfun_tuple_slice),
JANET_CORE_REG("tuple/type", cfun_tuple_type),
JANET_CORE_REG("tuple/sourcemap", cfun_tuple_sourcemap),
JANET_CORE_REG("tuple/setmap", cfun_tuple_setmap),
JANET_REG_END
};
janet_core_cfuns_ext(env, NULL, tuple_cfuns);
}