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Basic context creation

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This commit is contained in:
gingerBill
2023-07-15 13:30:31 +01:00
parent e2e5641a45
commit ccb736411b
5 changed files with 451 additions and 293 deletions
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290
src/tilde_proc.cpp
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@@ -1,3 +1,293 @@
gb_internal TB_FunctionPrototype *cg_procedure_type_as_prototype(cgModule *m, Type *type) {
GB_ASSERT(type != nullptr);
type = base_type(type);
GB_ASSERT(type->kind == Type_Proc);
TypeProc *pt = &type->Proc;
auto params = array_make<TB_PrototypeParam>(heap_allocator(), 0, pt->param_count);
if (pt->params) for (Entity *e : pt->params->Tuple.variables) {
TB_PrototypeParam param = {};
Type *t = core_type(e->type);
i64 sz = type_size_of(t);
switch (t->kind) {
case Type_Basic:
switch (t->Basic.kind) {
case Basic_bool:
case Basic_b8:
case Basic_b16:
case Basic_b32:
case Basic_b64:
case Basic_i8:
case Basic_u8:
case Basic_i16:
case Basic_u16:
case Basic_i32:
case Basic_u32:
case Basic_i64:
case Basic_u64:
case Basic_i128:
case Basic_u128:
case Basic_rune:
case Basic_int:
case Basic_uint:
case Basic_uintptr:
param.dt = TB_TYPE_INTN(cast(u16)(8*sz));
break;
case Basic_f16: param.dt = TB_TYPE_I16; break;
case Basic_f32: param.dt = TB_TYPE_F32; break;
case Basic_f64: param.dt = TB_TYPE_F64; break;
case Basic_complex32:
case Basic_complex64:
case Basic_complex128:
case Basic_quaternion64:
case Basic_quaternion128:
case Basic_quaternion256:
param.dt = TB_TYPE_PTR;
break;
case Basic_rawptr:
param.dt = TB_TYPE_PTR;
break;
case Basic_string: // ^u8 + int
param.dt = TB_TYPE_PTR;
break;
case Basic_cstring: // ^u8
param.dt = TB_TYPE_PTR;
break;
case Basic_any: // rawptr + ^Type_Info
param.dt = TB_TYPE_PTR;
break;
case Basic_typeid:
param.dt = TB_TYPE_INTN(cast(u16)(8*sz));
break;
// Endian Specific Types
case Basic_i16le:
case Basic_u16le:
case Basic_i32le:
case Basic_u32le:
case Basic_i64le:
case Basic_u64le:
case Basic_i128le:
case Basic_u128le:
case Basic_i16be:
case Basic_u16be:
case Basic_i32be:
case Basic_u32be:
case Basic_i64be:
case Basic_u64be:
case Basic_i128be:
case Basic_u128be:
param.dt = TB_TYPE_INTN(cast(u16)(8*sz));
break;
case Basic_f16le: param.dt = TB_TYPE_I16; break;
case Basic_f32le: param.dt = TB_TYPE_F32; break;
case Basic_f64le: param.dt = TB_TYPE_F64; break;
case Basic_f16be: param.dt = TB_TYPE_I16; break;
case Basic_f32be: param.dt = TB_TYPE_F32; break;
case Basic_f64be: param.dt = TB_TYPE_F64; break;
}
case Type_Pointer:
case Type_MultiPointer:
case Type_Proc:
param.dt = TB_TYPE_PTR;
break;
default:
switch (sz) {
case 1: param.dt = TB_TYPE_I8; break;
case 2: param.dt = TB_TYPE_I16; break;
case 4: param.dt = TB_TYPE_I32; break;
case 8: param.dt = TB_TYPE_I64; break;
default:
param.dt = TB_TYPE_PTR;
break;
}
}
if (param.dt.width != 0) {
if (is_blank_ident(e->token)) {
param.name = alloc_cstring(temporary_allocator(), e->token.string);
}
array_add(&params, param);
}
}
auto results = array_make<TB_PrototypeParam>(heap_allocator(), 0, pt->result_count);
// if (pt->results) for (Entity *e : pt->params->Tuple.variables) {
// // TODO(bill):
// }
return tb_prototype_create(m->mod, TB_CDECL, params.count, params.data, results.count, results.data, pt->c_vararg);
}
gb_internal cgProcedure *cg_procedure_create(cgModule *m, Entity *entity, bool ignore_body=false) {
GB_ASSERT(entity != nullptr);
GB_ASSERT(entity->kind == Entity_Procedure);
if (!entity->Procedure.is_foreign) {
if ((entity->flags & EntityFlag_ProcBodyChecked) == 0) {
GB_PANIC("%.*s :: %s (was parapoly: %d %d)", LIT(entity->token.string), type_to_string(entity->type), is_type_polymorphic(entity->type, true), is_type_polymorphic(entity->type, false));
}
}
String link_name = cg_get_entity_name(m, entity);
cgProcedure *p = nullptr;
{
StringHashKey key = string_hash_string(link_name);
cgValue *found = string_map_get(&m->members, key);
if (found) {
cg_add_entity(m, entity, *found);
p = string_map_must_get(&m->procedures, key);
if (!ignore_body && p->func != nullptr) {
return nullptr;
}
}
}
if (p == nullptr) {
p = gb_alloc_item(permanent_allocator(), cgProcedure);
}
p->module = m;
p->entity = entity;
p->name = link_name;
DeclInfo *decl = entity->decl_info;
ast_node(pl, ProcLit, decl->proc_lit);
Type *pt = base_type(entity->type);
GB_ASSERT(pt->kind == Type_Proc);
p->type = entity->type;
p->type_expr = decl->type_expr;
p->body = pl->body;
p->inlining = pl->inlining;
p->is_foreign = entity->Procedure.is_foreign;
p->is_export = entity->Procedure.is_export;
p->is_entry_point = false;
gbAllocator a = heap_allocator();
p->children.allocator = a;
// p->defer_stmts.allocator = a;
// p->blocks.allocator = a;
// p->branch_blocks.allocator = a;
p->context_stack.allocator = a;
p->scope_stack.allocator = a;
// map_init(&p->tuple_fix_map, 0);
TB_Linkage linkage = TB_LINKAGE_PRIVATE;
if (p->is_export) {
linkage = TB_LINKAGE_PUBLIC;
} else if (p->is_foreign || ignore_body) {
if (ignore_body) {
linkage = TB_LINKAGE_PUBLIC;
}
p->symbol = cast(TB_Symbol *)tb_extern_create(m->mod, link_name.len, cast(char const *)link_name.text, TB_EXTERNAL_SO_LOCAL);
}
if (p->symbol == nullptr) {
p->func = tb_function_create(m->mod, link_name.len, cast(char const *)link_name.text, linkage, TB_COMDAT_NONE);
tb_function_set_prototype(p->func, cg_procedure_type_as_prototype(m, p->type), tb_default_arena());
p->symbol = cast(TB_Symbol *)p->func;
}
cgValue proc_value = cg_value(p->symbol, p->type);
cg_add_entity(m, entity, proc_value);
cg_add_member(m, p->name, proc_value);
cg_add_procedure_value(m, p);
return p;
}
gb_internal cgProcedure *cg_procedure_create_dummy(cgModule *m, String const &link_name, Type *type) {
auto *prev_found = string_map_get(&m->members, link_name);
GB_ASSERT_MSG(prev_found == nullptr, "failed to create dummy procedure for: %.*s", LIT(link_name));
cgProcedure *p = gb_alloc_item(permanent_allocator(), cgProcedure);
p->module = m;
p->name = link_name;
p->type = type;
p->type_expr = nullptr;
p->body = nullptr;
p->tags = 0;
p->inlining = ProcInlining_none;
p->is_foreign = false;
p->is_export = false;
p->is_entry_point = false;
gbAllocator a = heap_allocator();
p->children.allocator = a;
// p->defer_stmts.allocator = a;
// p->blocks.allocator = a;
// p->branch_blocks.allocator = a;
p->scope_stack.allocator = a;
p->context_stack.allocator = a;
// map_init(&p->tuple_fix_map, 0);
TB_Linkage linkage = TB_LINKAGE_PRIVATE;
p->func = tb_function_create(m->mod, link_name.len, cast(char const *)link_name.text, linkage, TB_COMDAT_NONE);
tb_function_set_prototype(p->func, cg_procedure_type_as_prototype(m, p->type), tb_default_arena());
p->symbol = cast(TB_Symbol *)p->func;
cgValue proc_value = cg_value(p->symbol, p->type);
cg_add_member(m, p->name, proc_value);
cg_add_procedure_value(m, p);
return p;
}
gb_internal void cg_procedure_begin(cgProcedure *p) {
if (p == nullptr || p->func == nullptr) {
return;
}
}
gb_internal void cg_procedure_end(cgProcedure *p) {
if (p == nullptr || p->func == nullptr) {
return;
}
tb_inst_ret(p->func, 0, nullptr);
if (p->name == "main") {
TB_Arena *arena = tb_default_arena();
defer (arena->free(arena));
TB_FuncOpt *opt = tb_funcopt_enter(p->func, arena);
defer (tb_funcopt_exit(opt));
tb_funcopt_print(opt);
}
tb_module_compile_function(p->module->mod, p->func, TB_ISEL_FAST);
}
gb_internal void cg_procedure_generate(cgProcedure *p) {
if (p->body == nullptr) {
return;
}
cg_procedure_begin(p);
defer (cg_procedure_end(p));
if (p->name != "bug.main" &&
p->name != "main") {
return;
}
cg_build_stmt(p, p->body);
}
gb_internal cgValue cg_find_procedure_value_from_entity(cgModule *m, Entity *e) {
GB_ASSERT(is_type_proc(e->type));
e = strip_entity_wrapping(e);