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// Logic for compiling new struct types defined in code
#include <ctype.h>
#include <gc/cord.h>
#include <gc.h>
#include <stdio.h>
#include "ast.h"
#include "stdlib/text.h"
#include "compile.h"
#include "cordhelpers.h"
#include "environment.h"
#include "typecheck.h"
#include "stdlib/util.h"
CORD compile_struct_typeinfo(env_t *env, type_t *t, const char *name, arg_ast_t *fields, bool is_secret)
{
CORD full_name = CORD_cat(namespace_prefix(env, env->namespace), name);
int num_fields = 0;
for (arg_ast_t *f = fields; f; f = f->next)
num_fields += 1;
const char *short_name = name;
if (strchr(short_name, '$'))
short_name = strrchr(short_name, '$') + 1;
const char *metamethods = is_packed_data(t) ? "PackedData$metamethods" : "Struct$metamethods";
CORD typeinfo = CORD_asprintf("public const TypeInfo_t %r$$info = {.size=%zu, .align=%zu, .metamethods=%s, "
".tag=StructInfo, .StructInfo.name=\"%s\"%s, "
".StructInfo.num_fields=%ld",
full_name, type_size(t), type_align(t), metamethods, short_name, is_secret ? ", .StructInfo.is_secret=true" : "",
num_fields);
if (fields) {
typeinfo = CORD_asprintf("%r, .StructInfo.fields=(NamedType_t[%d]){", typeinfo, num_fields);
for (arg_ast_t *f = fields; f; f = f->next) {
type_t *field_type = get_arg_ast_type(env, f);
typeinfo = CORD_all(typeinfo, "{\"", f->name, "\", ", compile_type_info(field_type), "}");
if (f->next) typeinfo = CORD_all(typeinfo, ", ");
}
typeinfo = CORD_all(typeinfo, "}");
}
return CORD_all(typeinfo, "};\n");
}
CORD compile_struct_header(env_t *env, ast_t *ast)
{
auto def = Match(ast, StructDef);
CORD full_name = CORD_cat(namespace_prefix(env, env->namespace), def->name);
CORD fields = CORD_EMPTY;
for (arg_ast_t *field = def->fields; field; field = field->next) {
type_t *field_t = get_arg_ast_type(env, field);
fields = CORD_all(fields, compile_declaration(field_t, field->name), field_t->tag == BoolType ? ":1" : CORD_EMPTY, ";\n");
}
CORD struct_code = def->external ? CORD_EMPTY : CORD_all("struct ", full_name, "$$struct {\n", fields, "};\n");
type_t *t = Table$str_get(*env->types, def->name);
return CORD_all(
struct_code,
"DEFINE_OPTIONAL_TYPE(", compile_type(t), ", ", heap_strf("%zu", unpadded_struct_size(t)),
", ", namespace_prefix(env, env->namespace), "$Optional", def->name, "$$type);\n"
"extern const TypeInfo_t ", full_name, "$$info;\n");
}
// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
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