CPunch/Cosmo
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multiple return value support added to VM

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This commit is contained in:
CPunch
2020-12-12 21:53:12 -06:00
parent bf59f70598
commit 48ceca1834
10 changed files with 84 additions and 56 deletions
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12
src/main.c
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@@ -9,13 +9,13 @@
static bool _ACTIVE = false;
CValue cosmoB_quitRepl(CState *state, int nargs, CValue *args) {
int cosmoB_quitRepl(CState *state, int nargs, CValue *args) {
_ACTIVE = false;
return cosmoV_newNil(); // we don't return anything
return 0; // we don't return anything
}
CValue cosmoB_input(CState *state, int nargs, CValue *args) {
int cosmoB_input(CState *state, int nargs, CValue *args) {
// input() accepts the same params as print()!
for (int i = 0; i < nargs; i++) {
CObjString *str = cosmoV_toString(state, args[i]);
@@ -26,7 +26,9 @@ CValue cosmoB_input(CState *state, int nargs, CValue *args) {
char line[1024];
fgets(line, sizeof(line), stdin);
return cosmoV_newObj(cosmoO_copyString(state, line, strlen(line)-1)); // -1 for the \n
cosmoV_pushValue(state, cosmoV_newObj(cosmoO_copyString(state, line, strlen(line)-1))); // -1 for the \n
return 1; // 1 return value
}
static void interpret(CState *state, const char *script, const char *mod) {
@@ -35,7 +37,7 @@ static void interpret(CState *state, const char *script, const char *mod) {
if (func != NULL) {
disasmChunk(&func->chunk, func->name != NULL ? func->name->str : "_main", 0);
COSMOVMRESULT res = cosmoV_call(state, 0); // 0 args being passed
COSMOVMRESULT res = cosmoV_call(state, 0, 0); // 0 args being passed, 0 results expected
if (res == COSMOVM_RUNTIME_ERR)
state->panic = false; // so our repl isn't broken