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lang: codegen: implement message-send code generation and global var references

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This commit is contained in:
max 🍓
2025-04-17 21:44:38 +01:00
parent a4504c0507
commit 7b8d77a264
7 changed files with 359 additions and 55 deletions
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48
lang/codegen/expr.c
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@@ -21,6 +21,7 @@ struct expr_item {
struct expr_codegen_state {
struct code_generator_state s_base;
struct ivy_ast_node *s_expr_root;
uintptr_t s_flags;
b_queue s_item_queue;
};
@@ -107,6 +108,24 @@ static struct code_generator_result gen_op(
return CODEGEN_RESULT_OK(0);
}
static struct code_generator_result gen_msg(
struct ivy_codegen *gen, struct code_generator_state *state,
struct ivy_ast_node *node, size_t depth)
{
debug_printf("codegen: got msg\n");
struct expr_codegen_state *expr = (struct expr_codegen_state *)state;
int flags = 0;
if (b_queue_empty(&expr->s_item_queue)
&& (expr->s_flags & CODEGEN_F_IGNORE_RESULT)) {
flags |= CODEGEN_F_IGNORE_RESULT;
}
codegen_push_generator(gen, CODE_GENERATOR_MSG, flags, NULL);
return CODEGEN_RESULT_OK(CODEGEN_R_REPEAT_NODE);
}
static struct code_generator_result gen_var_reference(
struct ivy_codegen *gen, struct code_generator_state *state,
struct ivy_ast_node *node, size_t depth)
@@ -124,7 +143,8 @@ static struct code_generator_result gen_var_reference(
var_ptr = var->v_ptr;
} else {
/* this is a global variable, and needs to be loaded via a data ptr */
/* TODO */
var_ptr = mie_builder_get_data_ptr(
gen->c_builder, ident->n_content->t_str);
}
struct mie_type *id = mie_ctx_get_type(gen->c_ctx, MIE_TYPE_ID);
@@ -257,7 +277,8 @@ static struct code_generator_result cancel_expr(
#endif
static enum ivy_status state_init(
struct ivy_codegen *gen, struct code_generator_state *state)
struct ivy_codegen *gen, struct code_generator_state *state,
uintptr_t argv, void *argp)
{
debug_printf("codegen: start of expression\n");
return IVY_OK;
@@ -339,14 +360,31 @@ static enum ivy_status state_fini(
return IVY_OK;
}
static struct code_generator_result value_received(
struct ivy_codegen *gen, struct code_generator_state *state,
struct mie_value *value)
{
struct expr_codegen_state *expr = (struct expr_codegen_state *)state;
debug_printf("codegen: got sub-expr\n");
enum ivy_status status = push_operand(expr, NULL, value);
if (status != IVY_OK) {
return CODEGEN_RESULT_ERR(status);
}
return CODEGEN_RESULT_OK(0);
}
struct code_generator expr_generator = {
.g_type = CODE_GENERATOR_EXPR,
.g_state_size = sizeof(struct expr_codegen_state),
.g_state_init = state_init,
.g_state_fini = state_fini,
.g_value_received = value_received,
.g_node_generators = {
[IVY_AST_INT] = gen_int,
[IVY_AST_OP] = gen_op,
[IVY_AST_IDENT] = gen_var_reference,
NODE_CODEGEN(INT, gen_int),
NODE_CODEGEN(OP, gen_op),
NODE_CODEGEN(MSG, gen_msg),
NODE_CODEGEN(IDENT, gen_var_reference),
},
};