lang: codegen: expr: implement generating true/false/null constants

This commit is contained in:
2025-09-08 16:22:06 +01:00
parent 312e737f9f
commit 97f7782968

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@@ -105,6 +105,39 @@ static struct code_generator_result gen_int(
return CODEGEN_RESULT_OK(0);
}
static struct code_generator_result gen_keyword_const(
struct ivy_codegen *gen, struct code_generator_state *state,
struct ivy_ast_node *node, size_t depth)
{
struct expr_codegen_state *expr = (struct expr_codegen_state *)state;
debug_printf("codegen: got keyword const\n");
struct mie_value *value = NULL;
switch (node->n_type) {
case IVY_AST_C_TRUE:
value = mie_ctx_get_int(gen->c_ctx, 1, 1);
break;
case IVY_AST_C_FALSE:
value = mie_ctx_get_int(gen->c_ctx, 0, 1);
break;
case IVY_AST_C_NULL:
value = mie_ctx_get_null(gen->c_ctx);
break;
default:
return CODEGEN_RESULT_ERR(IVY_ERR_BAD_SYNTAX);
break;
}
enum ivy_status status = push_operand(expr, node, value, NULL);
if (status != IVY_OK) {
return CODEGEN_RESULT_ERR(status);
}
return CODEGEN_RESULT_OK(0);
}
static struct code_generator_result gen_string(
struct ivy_codegen *gen, struct code_generator_state *state,
struct ivy_ast_node *node, size_t depth)
@@ -508,6 +541,9 @@ struct code_generator expr_generator = {
.g_state_fini = state_fini,
.g_value_received = value_received,
.g_node_generators = {
NODE_CODEGEN(C_TRUE, gen_keyword_const),
NODE_CODEGEN(C_FALSE, gen_keyword_const),
NODE_CODEGEN(C_NULL, gen_keyword_const),
NODE_CODEGEN(INT, gen_int),
NODE_CODEGEN(OP, gen_op),
NODE_CODEGEN(MSG, gen_msg),