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Add -default-to-nil-allocator flag (sets ODIN_DEFAULT_TO_NIL_ALLOCATOR)

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This commit is contained in:
gingerBill
2020-09-15 12:27:53 +01:00
parent bfc7d74967
commit edbad0709e
4 changed files with 13 additions and 3 deletions
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2
core/runtime/default_allocators.odin
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@@ -1,6 +1,6 @@
package runtime
when ODIN_OS == "freestanding" {
when ODIN_DEFAULT_TO_NIL_ALLOCATOR || ODIN_OS == "freestanding" {
// mem.nil_allocator reimplementation
default_allocator_proc :: proc(allocator_data: rawptr, mode: mem.Allocator_Mode,

1
src/build_settings.cpp
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@@ -111,6 +111,7 @@ struct BuildContext {
String ODIN_ROOT; // Odin ROOT
bool ODIN_DEBUG; // Odin in debug mode
bool ODIN_DISABLE_ASSERT; // Whether the default 'assert' et al is disabled in code or not
bool ODIN_DEFAULT_TO_NIL_ALLOCATOR; // Whether the default allocator is a "nil" allocator or not (i.e. it does nothing)
TargetEndianKind endian_kind;

1
src/checker.cpp
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@@ -739,6 +739,7 @@ void init_universal(void) {
add_global_string_constant(str_lit("ODIN_ROOT"), bc->ODIN_ROOT);
add_global_constant(str_lit("ODIN_DEBUG"), t_untyped_bool, exact_value_bool(bc->ODIN_DEBUG));
add_global_constant(str_lit("ODIN_DISABLE_ASSERT"), t_untyped_bool, exact_value_bool(bc->ODIN_DISABLE_ASSERT));
add_global_constant(str_lit("ODIN_DEFAULT_TO_NIL_ALLOCATOR"), t_untyped_bool, exact_value_bool(bc->ODIN_DEFAULT_TO_NIL_ALLOCATOR));
add_global_constant(str_lit("ODIN_USE_LLVM_API"), t_untyped_bool, exact_value_bool(bc->use_llvm_api));
add_global_constant(str_lit("ODIN_NO_DYNAMIC_LITERALS"), t_untyped_bool, exact_value_bool(bc->no_dynamic_literals));

12
src/main.cpp
View File

@@ -580,6 +580,8 @@ enum BuildFlagKind {
BuildFlag_IgnoreUnknownAttributes,
BuildFlag_ExtraLinkerFlags,
BuildFlag_DefaultToNilAllocator,
BuildFlag_Compact,
BuildFlag_GlobalDefinitions,
BuildFlag_GoToDefinitions,
@@ -676,6 +678,8 @@ bool parse_build_flags(Array<String> args) {
add_flag(&build_flags, BuildFlag_IgnoreUnknownAttributes, str_lit("ignore-unknown-attributes"), BuildFlagParam_None);
add_flag(&build_flags, BuildFlag_ExtraLinkerFlags, str_lit("extra-linker-flags"), BuildFlagParam_String);
add_flag(&build_flags, BuildFlag_DefaultToNilAllocator, str_lit("default-to-nil-allocator"), BuildFlagParam_None);
add_flag(&build_flags, BuildFlag_Compact, str_lit("compact"), BuildFlagParam_None);
add_flag(&build_flags, BuildFlag_GlobalDefinitions, str_lit("global-definitions"), BuildFlagParam_None);
add_flag(&build_flags, BuildFlag_GoToDefinitions, str_lit("go-to-definitions"), BuildFlagParam_None);
@@ -1099,6 +1103,10 @@ bool parse_build_flags(Array<String> args) {
build_context.extra_linker_flags = value.value_string;
break;
case BuildFlag_DefaultToNilAllocator:
build_context.ODIN_DEFAULT_TO_NIL_ALLOCATOR = true;
break;
case BuildFlag_Compact:
if (!build_context.query_data_set_settings.ok) {
gb_printf_err("Invalid use of -compact flag, only allowed with 'odin query'\n");
@@ -1685,7 +1693,7 @@ int main(int arg_count, char const **arg_ptr) {
#endif
} else if (command == "version") {
gb_printf("%.*s version %.*s", LIT(args[0]), LIT(ODIN_VERSION));
#ifdef NIGHTLY
gb_printf("-nightly");
#endif
@@ -1693,7 +1701,7 @@ int main(int arg_count, char const **arg_ptr) {
#ifdef GIT_SHA
gb_printf("-%s", GIT_SHA);
#endif
gb_printf("\n");
return 0;
} else {