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lang: codegen: implement fstring generation

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max 🍓
2025-04-18 23:17:39 +01:00
parent 2ddb065243
commit 4a258e2580
4 changed files with 115 additions and 4 deletions
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1
lang/codegen/codegen.h
View File

@@ -49,6 +49,7 @@ enum code_generator_type {
CODE_GENERATOR_EXPR,
CODE_GENERATOR_VAR,
CODE_GENERATOR_MSG,
CODE_GENERATOR_FSTRING,
};
enum code_generator_scope_type {

13
lang/codegen/expr.c
View File

@@ -117,6 +117,18 @@ static struct code_generator_result gen_string(
return CODEGEN_RESULT_OK(0);
}
static struct code_generator_result gen_fstring(
struct ivy_codegen *gen, struct code_generator_state *state,
struct ivy_ast_node *node, size_t depth)
{
debug_printf("codegen: got fstring\n");
struct expr_codegen_state *expr = (struct expr_codegen_state *)state;
codegen_push_generator(gen, CODE_GENERATOR_FSTRING, 0, NULL);
return CODEGEN_RESULT_OK(CODEGEN_R_REPEAT_NODE);
}
static struct code_generator_result gen_op(
struct ivy_codegen *gen, struct code_generator_state *state,
struct ivy_ast_node *node, size_t depth)
@@ -404,6 +416,7 @@ struct code_generator expr_generator = {
NODE_CODEGEN(OP, gen_op),
NODE_CODEGEN(MSG, gen_msg),
NODE_CODEGEN(STRING, gen_string),
NODE_CODEGEN(FSTRING, gen_fstring),
NODE_CODEGEN(IDENT, gen_var_reference),
},
};

96
lang/codegen/fstring.c Normal file
View File

@@ -0,0 +1,96 @@
#include "../debug.h"
#include "codegen.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct fstring_codegen_state {
struct code_generator_state s_base;
struct mie_value *s_stringbuilder;
};
static struct code_generator_result gen_fstring(
struct ivy_codegen *gen, struct code_generator_state *state,
struct ivy_ast_node *node, size_t depth)
{
struct fstring_codegen_state *fstring
= (struct fstring_codegen_state *)state;
struct mie_value *stringbuilder_ptr
= mie_builder_get_data_ptr(gen->c_builder, "StringBuilder");
struct mie_type *id = mie_ctx_get_type(gen->c_ctx, MIE_TYPE_ID);
struct mie_value *stringbuilder_class
= mie_builder_load(gen->c_builder, id, stringbuilder_ptr, NULL);
struct mie_value *sel = mie_ctx_get_selector(gen->c_ctx, "_M3newE");
fstring->s_stringbuilder = mie_builder_msg(
gen->c_builder, id, stringbuilder_class, sel, NULL, 0, 0, NULL);
return CODEGEN_RESULT_OK(0);
}
static struct code_generator_result gen_expr(
struct ivy_codegen *gen, struct code_generator_state *state,
struct ivy_ast_node *node, size_t depth)
{
codegen_push_generator(gen, CODE_GENERATOR_EXPR, 0, NULL);
return CODEGEN_RESULT_OK(CODEGEN_R_REPEAT_NODE);
}
static enum ivy_status state_init(
struct ivy_codegen *gen, struct code_generator_state *state,
uintptr_t argv, void *argp)
{
debug_printf("codegen: start of fstring\n");
return IVY_OK;
}
static enum ivy_status state_fini(
struct ivy_codegen *gen, struct code_generator_state *state,
struct mie_value **result)
{
debug_printf("codegen: end of fstring\n");
struct fstring_codegen_state *fstring
= (struct fstring_codegen_state *)state;
struct mie_type *id = mie_ctx_get_type(gen->c_ctx, MIE_TYPE_ID);
struct mie_value *sel = mie_ctx_get_selector(gen->c_ctx, "_M8toStringE");
struct mie_value *str = mie_builder_msg(
gen->c_builder, id, fstring->s_stringbuilder, sel, NULL, 0, 0,
NULL);
*result = str;
return IVY_OK;
}
static struct code_generator_result value_received(
struct ivy_codegen *gen, struct code_generator_state *state,
struct mie_value *value)
{
struct fstring_codegen_state *fstring
= (struct fstring_codegen_state *)state;
struct mie_type *void_type = mie_ctx_get_type(gen->c_ctx, MIE_TYPE_VOID);
struct mie_value *sel = mie_ctx_get_selector(gen->c_ctx, "_M06appendE");
mie_builder_msg(
gen->c_builder, void_type, fstring->s_stringbuilder, sel,
&value, 1, MIE_BUILDER_IGNORE_RESULT, NULL);
return CODEGEN_RESULT_OK(0);
}
struct code_generator fstring_generator = {
.g_type = CODE_GENERATOR_FSTRING,
.g_state_size = sizeof(struct fstring_codegen_state),
.g_state_init = state_init,
.g_state_fini = state_fini,
.g_value_received = value_received,
.g_expr_generator = gen_expr,
.g_node_generators = {
NODE_CODEGEN(FSTRING, gen_fstring),
},
};

9
lang/codegen/generator.c
View File

@@ -1,15 +1,19 @@
#include "codegen.h"
#include <assert.h>
extern const struct code_generator unit_generator;
extern const struct code_generator expr_generator;
extern const struct code_generator var_generator;
extern const struct code_generator msg_generator;
extern const struct code_generator fstring_generator;
static const struct code_generator *code_generators[] = {
[CODE_GENERATOR_UNIT] = &unit_generator,
[CODE_GENERATOR_EXPR] = &expr_generator,
[CODE_GENERATOR_VAR] = &var_generator,
[CODE_GENERATOR_MSG] = &msg_generator,
[CODE_GENERATOR_FSTRING] = &fstring_generator,
};
static const size_t nr_code_generators
= sizeof code_generators / sizeof code_generators[0];
@@ -25,10 +29,7 @@ static const size_t nr_root_code_generators
const struct code_generator *get_code_generator(enum code_generator_type type)
{
if (type >= nr_code_generators) {
return NULL;
}
assert(type >= 0 && type < nr_code_generators);
return code_generators[type];
}