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lang: codegen: implement cascade operator generation

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max 🍓
2025-09-12 10:01:07 +01:00
parent 8541b3bc5b
commit 7bb4803b9e
4 changed files with 98 additions and 0 deletions
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84
lang/codegen/cascade.c Normal file
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@@ -0,0 +1,84 @@
#include "codegen.h"
#include <mie/ir/func.h>
#include <mie/ir/module.h>
struct cascade_codegen_state {
struct code_generator_state s_base;
struct mie_value *s_recipient;
struct mie_value *s_result;
};
static struct code_generator_result gen_cascade(
struct ivy_codegen *gen, struct code_generator_state *state,
struct ivy_ast_node *node, size_t depth)
{
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)
{
struct cascade_codegen_state *cascade
= (struct cascade_codegen_state *)state;
codegen_push_generator(
gen, CODE_GENERATOR_MSG, CODEGEN_F_IGNORE_RESULT,
cascade->s_recipient);
return CODEGEN_RESULT_OK(CODEGEN_R_REPEAT_NODE);
}
static struct code_generator_result gen_expr(
struct ivy_codegen *gen, struct code_generator_state *state,
struct ivy_ast_node *node, size_t depth)
{
struct cascade_codegen_state *cascade
= (struct cascade_codegen_state *)state;
if (cascade->s_recipient) {
return CODEGEN_RESULT_ERR(IVY_ERR_BAD_SYNTAX);
}
codegen_push_generator(
gen, CODE_GENERATOR_EXPR, CODEGEN_F_IGNORE_RESULT, NULL);
return CODEGEN_RESULT_OK(CODEGEN_R_REPEAT_NODE);
}
static enum ivy_status state_fini(
struct ivy_codegen *gen, struct code_generator_state *state,
struct code_generator_value *result)
{
struct cascade_codegen_state *cascade
= (struct cascade_codegen_state *)state;
code_generator_value_set_mie_value(result, cascade->s_result);
return IVY_OK;
}
static struct code_generator_result value_received(
struct ivy_codegen *gen, struct code_generator_state *state,
struct code_generator_value *value)
{
struct cascade_codegen_state *cascade
= (struct cascade_codegen_state *)state;
struct mie_value *mie_value = code_generator_value_get_mie_value(value);
if (!cascade->s_recipient) {
cascade->s_recipient = mie_value;
}
cascade->s_result = mie_value;
return CODEGEN_RESULT_OK(0);
}
struct code_generator cascade_generator = {
.g_type = CODE_GENERATOR_CASCADE,
.g_state_size = sizeof(struct cascade_codegen_state),
.g_state_fini = state_fini,
.g_value_received = value_received,
.g_node_generators = {
NODE_CODEGEN(CASCADE, gen_cascade),
NODE_CODEGEN(MSG, gen_msg),
},
.g_expr_generator = gen_expr,
};

1
lang/codegen/codegen.h
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@@ -49,6 +49,7 @@ enum code_generator_type {
CODE_GENERATOR_COND, CODE_GENERATOR_COND,
CODE_GENERATOR_FOR_LOOP, CODE_GENERATOR_FOR_LOOP,
CODE_GENERATOR_WHILE_LOOP, CODE_GENERATOR_WHILE_LOOP,
CODE_GENERATOR_CASCADE,
}; };
enum code_generator_scope_type { enum code_generator_scope_type {

11
lang/codegen/expr.c
View File

@@ -87,6 +87,16 @@ static enum ivy_status push_operator(
return IVY_OK; return IVY_OK;
} }
static struct code_generator_result gen_cascade(
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;
codegen_push_generator(gen, CODE_GENERATOR_CASCADE, 0, NULL);
return CODEGEN_RESULT_OK(CODEGEN_R_REPEAT_NODE);
}
static struct code_generator_result gen_int( static struct code_generator_result gen_int(
struct ivy_codegen *gen, struct code_generator_state *state, struct ivy_codegen *gen, struct code_generator_state *state,
struct ivy_ast_node *node, size_t depth) struct ivy_ast_node *node, size_t depth)
@@ -705,6 +715,7 @@ struct code_generator expr_generator = {
NODE_CODEGEN(C_TRUE, gen_keyword_const), NODE_CODEGEN(C_TRUE, gen_keyword_const),
NODE_CODEGEN(C_FALSE, gen_keyword_const), NODE_CODEGEN(C_FALSE, gen_keyword_const),
NODE_CODEGEN(C_NULL, gen_keyword_const), NODE_CODEGEN(C_NULL, gen_keyword_const),
NODE_CODEGEN(CASCADE, gen_cascade),
NODE_CODEGEN(INT, gen_int), NODE_CODEGEN(INT, gen_int),
NODE_CODEGEN(OP, gen_op), NODE_CODEGEN(OP, gen_op),
NODE_CODEGEN(MSG, gen_msg), NODE_CODEGEN(MSG, gen_msg),

2
lang/codegen/generator.c
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@@ -14,6 +14,7 @@ extern const struct code_generator cond_generator;
extern const struct code_generator cond_group_generator; extern const struct code_generator cond_group_generator;
extern const struct code_generator for_loop_generator; extern const struct code_generator for_loop_generator;
extern const struct code_generator while_loop_generator; extern const struct code_generator while_loop_generator;
extern const struct code_generator cascade_generator;
static const struct code_generator *code_generators[] = { static const struct code_generator *code_generators[] = {
[CODE_GENERATOR_UNIT] = &unit_generator, [CODE_GENERATOR_UNIT] = &unit_generator,
@@ -28,6 +29,7 @@ static const struct code_generator *code_generators[] = {
[CODE_GENERATOR_COND_GROUP] = &cond_group_generator, [CODE_GENERATOR_COND_GROUP] = &cond_group_generator,
[CODE_GENERATOR_FOR_LOOP] = &for_loop_generator, [CODE_GENERATOR_FOR_LOOP] = &for_loop_generator,
[CODE_GENERATOR_WHILE_LOOP] = &while_loop_generator, [CODE_GENERATOR_WHILE_LOOP] = &while_loop_generator,
[CODE_GENERATOR_CASCADE] = &cascade_generator,
}; };
static const size_t nr_code_generators static const size_t nr_code_generators
= sizeof code_generators / sizeof code_generators[0]; = sizeof code_generators / sizeof code_generators[0];