Implement the if statement.
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b1ab168907
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@ -1212,6 +1212,28 @@ libab_result _interpreter_run(struct interpreter_state* state, libab_tree* tree,
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libab_get_true_value(state->ab, into);
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} else if(tree->variant == TREE_FALSE) {
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libab_get_false_value(state->ab, into);
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} else if (tree->variant == TREE_IF) {
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libab_ref condition;
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libab_value* condition_value;
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libab_parsetype* condition_type;
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result = _interpreter_run(state, vec_index(&tree->children, 0),
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&condition, scope, SCOPE_NORMAL);
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if(result == LIBAB_SUCCESS) {
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condition_value = libab_ref_get(&condition);
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condition_type = libab_ref_get(&condition_value->type);
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if(condition_type->data_u.base != libab_get_basetype_bool(state->ab)) {
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result = LIBAB_MISMATCHED_TYPE;
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}
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}
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if(result == LIBAB_SUCCESS) {
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int* boolean = libab_ref_get(&condition_value->data);
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result = _interpreter_run(state, vec_index(&tree->children,
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*boolean ? 1 : 2), into, scope, SCOPE_NORMAL);
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}
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libab_ref_free(&condition);
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} else {
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libab_get_unit_value(state->ab, into);
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}
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