Experiments/libabacus
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Maintain scope between lines executed.

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This commit is contained in:
Danila Fedorin 2018-06-21 17:23:34 -07:00
parent 03577269f2
commit a5429ae2c8
1 changed files with 29 additions and 15 deletions
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42
src/interactive.c
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@ -117,13 +117,33 @@ libab_result register_functions(libab* ab) {
return result; return result;
} }
int main() { libab_result loop(libab* ab, int interaction_count, libab_ref* scope) {
libab_result result = LIBAB_SUCCESS;
char input_buffer[2048]; char input_buffer[2048];
int interaction_count = INTERACTIONS;
libab_ref eval_into; libab_ref eval_into;
libab_ref call_into; libab_ref call_into;
libab_result result;
libab_result eval_result; libab_result eval_result;
while (interaction_count-- && result == LIBAB_SUCCESS) {
printf("(%d) > ", INTERACTIONS - interaction_count);
fgets(input_buffer, 2048, stdin);
eval_result = libab_run_scoped(ab, input_buffer, scope, &eval_into);
if (eval_result != LIBAB_SUCCESS) {
printf("Invalid input (error code %d).\n", eval_result);
} else {
result = libab_run_function_scoped(ab, "print", scope, &call_into, 1, &eval_into);
libab_ref_free(&call_into);
}
libab_ref_free(&eval_into);
}
return result;
}
int main() {
libab_result result;
libab_ref scope;
libab ab; libab ab;
if (libab_init(&ab, impl_parse, impl_free) != LIBAB_SUCCESS) { if (libab_init(&ab, impl_parse, impl_free) != LIBAB_SUCCESS) {
@ -132,18 +152,12 @@ int main() {
} }
result = register_functions(&ab); result = register_functions(&ab);
while (interaction_count-- && result == LIBAB_SUCCESS) { if(result == LIBAB_SUCCESS) {
printf("(%d) > ", INTERACTIONS - interaction_count); result = libab_create_table(&scope, &ab.table);
fgets(input_buffer, 2048, stdin);
eval_result = libab_run(&ab, input_buffer, &eval_into);
if (eval_result != LIBAB_SUCCESS) {
printf("Invalid input (error code %d).\n", eval_result);
} else {
result = libab_run_function(&ab, "print", &call_into, 1, &eval_into);
libab_ref_free(&call_into);
} }
libab_ref_free(&eval_into); if(result == LIBAB_SUCCESS) {
loop(&ab, INTERACTIONS, &scope);
libab_ref_free(&scope);
} }
libab_free(&ab); libab_free(&ab);