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

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:
2021-01-05 22:27:59 -06:00
parent 417a1f15f1
commit eb2f50e456
13 changed files with 195 additions and 65 deletions

View File

@@ -205,6 +205,7 @@ CToken parseString(CLexState *state) {
case 'r': case 'n': appendBuffer(state, '\n'); break;
case 't': appendBuffer(state, '\t'); break;
case '\\': appendBuffer(state, '\\'); break;
case '"': appendBuffer(state, '"'); break;
default: {
if (isNumerical(peek(state))) {
char *numStart = state->currentChar;