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Added CObjError, cosmoV_throw(), pcall(), and cosmoV_printError()

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Errors are now handled very differently, parser errors and VM errors are now treated the same.
When cosmoV_error is called, cosmoV_throw is also called, which formats the error object and sets the panic state.
state->error now points to the latest CObjError when state->panic is true. To get a nice formatted Objection message, use
cosmoV_printError() and pass the state->error. pcall() was added to the standard base library. When called, the first argument
passed is called with the subsequent arguments given. If the call completed successfully, `true`,`nil` is returned. However
when an error occurs during the call, `false`,`<error>` is returned. Simply print the `<error>` to retrieve the error string.
This commit is contained in:
CPunch
2021-01-05 22:27:59 -06:00
parent 417a1f15f1
commit eb2f50e456
13 changed files with 195 additions and 65 deletions
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6
src/main.c
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@@ -40,8 +40,12 @@ static void interpret(CState *state, const char *script, const char *mod) {
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
cosmoV_printError(state, state->error);
} else {
cosmoV_printError(state, state->error);
}
state->panic = false; // so our repl isn't broken
}
static void repl() {