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Code Issues 1 Releases Wiki Activity

Improve error messages when using bad metadata

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Print metadata value as well as binding name.
This commit is contained in:
Calvin Rose
2022-06-19 10:28:18 -05:00
parent cbe833962b
commit 0dccc22b38
1 changed files with 8 additions and 5 deletions
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13
src/core/specials.c
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@@ -31,7 +31,7 @@
static JanetSlot janetc_quote(JanetFopts opts, int32_t argn, const Janet *argv) {
if (argn != 1) {
janetc_cerror(opts.compiler, "expected 1 argument");
janetc_cerror(opts.compiler, "expected 1 argument to quote");
return janetc_cslot(janet_wrap_nil());
}
return janetc_cslot(argv[0]);
@@ -40,7 +40,7 @@ static JanetSlot janetc_quote(JanetFopts opts, int32_t argn, const Janet *argv)
static JanetSlot janetc_splice(JanetFopts opts, int32_t argn, const Janet *argv) {
JanetSlot ret;
if (argn != 1) {
janetc_cerror(opts.compiler, "expected 1 argument");
janetc_cerror(opts.compiler, "expected 1 argument to splice");
return janetc_cslot(janet_wrap_nil());
}
ret = janetc_value(opts, argv[0]);
@@ -117,7 +117,7 @@ static JanetSlot quasiquote(JanetFopts opts, Janet x, int depth, int level) {
static JanetSlot janetc_quasiquote(JanetFopts opts, int32_t argn, const Janet *argv) {
if (argn != 1) {
janetc_cerror(opts.compiler, "expected 1 argument");
janetc_cerror(opts.compiler, "expected 1 argument to quasiquote");
return janetc_cslot(janet_wrap_nil());
}
return quasiquote(opts, argv[0], JANET_RECURSION_GUARD, 0);
@@ -143,7 +143,7 @@ static int destructure(JanetCompiler *c,
JanetTable *attr) {
switch (janet_type(left)) {
default:
janetc_cerror(c, "unexpected type in destructuring");
janetc_error(c, janet_formatc("unexpected type in destruction, got %v", left));
return 1;
case JANET_SYMBOL:
/* Leaf, assign right to left */
@@ -302,6 +302,9 @@ static JanetSlot janetc_varset(JanetFopts opts, int32_t argn, const Janet *argv)
static JanetTable *handleattr(JanetCompiler *c, int32_t argn, const Janet *argv) {
int32_t i;
JanetTable *tab = janet_table(2);
const char *binding_name = janet_type(argv[0]) == JANET_SYMBOL
? ((const char *)janet_unwrap_symbol(argv[0]))
: "<multiple bindings>";
for (i = 1; i < argn - 1; i++) {
Janet attr = argv[i];
switch (janet_type(attr)) {
@@ -309,7 +312,7 @@ static JanetTable *handleattr(JanetCompiler *c, int32_t argn, const Janet *argv)
janetc_cerror(c, "unexpected form - did you intend to use defn?");
break;
default:
janetc_cerror(c, "could not add metadata to binding");
janetc_error(c, janet_formatc("could not add metadata %v to binding %s", attr, binding_name));
break;
case JANET_KEYWORD:
janet_table_put(tab, attr, janet_wrap_true());