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Fix pointer differences (issue #11); remove #dll_import

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This commit is contained in:
Ginger Bill
2017-01-26 17:39:44 +00:00
parent e85458919c
commit f47f25f942
9 changed files with 145 additions and 91 deletions
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19
code/demo.odin
View File

@@ -11,6 +11,22 @@
main :: proc() {
b : [1000]byte;
using fmt;
println();
println("Pointer of Address 0");
println(^b[0]);
println();
println("Pointer of Address 50");
println(^b[50]);
println();
println("Difference between 50 and 0");
println(^b[50] - ^b[0]);
}
/*
foo :: proc(x: ^i32) -> (int, int) {
fmt.println("^int");
return 123, cast(int)(x^);
@@ -22,7 +38,7 @@ main :: proc() {
THINGI :: 14451;
THINGF :: 14451.1;
a: i32 = 111111;
a: i32 = #line;
b: f32;
c: rawptr;
fmt.println(foo(^a));
@@ -53,3 +69,4 @@ main :: proc() {
f = foo;
f();
}
*/

2
core/os_windows.odin
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@@ -265,7 +265,7 @@ exit :: proc(code: int) {
current_thread_id :: proc() -> int {
GetCurrentThreadId :: proc() -> u32 #foreign #dll_import
GetCurrentThreadId :: proc() -> u32 #foreign
return cast(int)GetCurrentThreadId();
}

122
core/sys/windows.odin
View File

@@ -91,6 +91,12 @@ FILETIME :: struct #ordered {
lo, hi: u32,
}
SYSTEMTIME :: struct #ordered {
year, month: u16,
day_of_week, day: u16,
hour, minute, second, millisecond: u16,
}
BY_HANDLE_FILE_INFORMATION :: struct #ordered {
file_attributes: u32,
creation_time,
@@ -118,43 +124,43 @@ GET_FILEEX_INFO_LEVELS :: i32;
GetFileExInfoStandard: GET_FILEEX_INFO_LEVELS : 0;
GetFileExMaxInfoLevel: GET_FILEEX_INFO_LEVELS : 1;
GetLastError :: proc() -> i32 #foreign #dll_import
ExitProcess :: proc(exit_code: u32) #foreign #dll_import
GetDesktopWindow :: proc() -> HWND #foreign #dll_import
GetCursorPos :: proc(p: ^POINT) -> i32 #foreign #dll_import
ScreenToClient :: proc(h: HWND, p: ^POINT) -> i32 #foreign #dll_import
GetModuleHandleA :: proc(module_name: ^u8) -> HINSTANCE #foreign #dll_import
GetStockObject :: proc(fn_object: i32) -> HGDIOBJ #foreign #dll_import
PostQuitMessage :: proc(exit_code: i32) #foreign #dll_import
SetWindowTextA :: proc(hwnd: HWND, c_string: ^u8) -> BOOL #foreign #dll_import
GetLastError :: proc() -> i32 #foreign
ExitProcess :: proc(exit_code: u32) #foreign
GetDesktopWindow :: proc() -> HWND #foreign
GetCursorPos :: proc(p: ^POINT) -> i32 #foreign
ScreenToClient :: proc(h: HWND, p: ^POINT) -> i32 #foreign
GetModuleHandleA :: proc(module_name: ^u8) -> HINSTANCE #foreign
GetStockObject :: proc(fn_object: i32) -> HGDIOBJ #foreign
PostQuitMessage :: proc(exit_code: i32) #foreign
SetWindowTextA :: proc(hwnd: HWND, c_string: ^u8) -> BOOL #foreign
QueryPerformanceFrequency :: proc(result: ^i64) -> i32 #foreign #dll_import
QueryPerformanceCounter :: proc(result: ^i64) -> i32 #foreign #dll_import
QueryPerformanceFrequency :: proc(result: ^i64) -> i32 #foreign
QueryPerformanceCounter :: proc(result: ^i64) -> i32 #foreign
Sleep :: proc(ms: i32) -> i32 #foreign #dll_import
Sleep :: proc(ms: i32) -> i32 #foreign
OutputDebugStringA :: proc(c_str: ^u8) #foreign #dll_import
OutputDebugStringA :: proc(c_str: ^u8) #foreign
RegisterClassExA :: proc(wc: ^WNDCLASSEXA) -> ATOM #foreign #dll_import
RegisterClassExA :: proc(wc: ^WNDCLASSEXA) -> ATOM #foreign
CreateWindowExA :: proc(ex_style: u32,
class_name, title: ^u8,
style: u32,
x, y, w, h: i32,
parent: HWND, menu: HMENU, instance: HINSTANCE,
param: rawptr) -> HWND #foreign #dll_import
param: rawptr) -> HWND #foreign
ShowWindow :: proc(hwnd: HWND, cmd_show: i32) -> BOOL #foreign #dll_import
TranslateMessage :: proc(msg: ^MSG) -> BOOL #foreign #dll_import
DispatchMessageA :: proc(msg: ^MSG) -> LRESULT #foreign #dll_import
UpdateWindow :: proc(hwnd: HWND) -> BOOL #foreign #dll_import
ShowWindow :: proc(hwnd: HWND, cmd_show: i32) -> BOOL #foreign
TranslateMessage :: proc(msg: ^MSG) -> BOOL #foreign
DispatchMessageA :: proc(msg: ^MSG) -> LRESULT #foreign
UpdateWindow :: proc(hwnd: HWND) -> BOOL #foreign
PeekMessageA :: proc(msg: ^MSG, hwnd: HWND,
msg_filter_min, msg_filter_max, remove_msg: u32) -> BOOL #foreign #dll_import
msg_filter_min, msg_filter_max, remove_msg: u32) -> BOOL #foreign
DefWindowProcA :: proc(hwnd: HWND, msg: u32, wparam: WPARAM, lparam: LPARAM) -> LRESULT #foreign #dll_import
DefWindowProcA :: proc(hwnd: HWND, msg: u32, wparam: WPARAM, lparam: LPARAM) -> LRESULT #foreign
AdjustWindowRect :: proc(rect: ^RECT, style: u32, menu: BOOL) -> BOOL #foreign #dll_import
GetActiveWindow :: proc() -> HWND #foreign #dll_import
AdjustWindowRect :: proc(rect: ^RECT, style: u32, menu: BOOL) -> BOOL #foreign
GetActiveWindow :: proc() -> HWND #foreign
GetQueryPerformanceFrequency :: proc() -> i64 {
@@ -163,28 +169,34 @@ GetQueryPerformanceFrequency :: proc() -> i64 {
return r;
}
GetCommandLineA :: proc() -> ^u8 #foreign #dll_import
GetSystemMetrics :: proc(index: i32) -> i32 #foreign #dll_import
GetCurrentThreadId :: proc() -> u32 #foreign #dll_import
GetCommandLineA :: proc() -> ^u8 #foreign
GetSystemMetrics :: proc(index: i32) -> i32 #foreign
GetCurrentThreadId :: proc() -> u32 #foreign
timeGetTime :: proc() -> u32 #foreign
GetSystemTimeAsFileTime :: proc(system_time_as_file_time: ^FILETIME) #foreign
FileTimeToLocalFileTime :: proc(file_time: ^FILETIME, local_file_time: ^FILETIME) -> BOOL #foreign
FileTimeToSystemTime :: proc(file_time: ^FILETIME, system_time: ^SYSTEMTIME) -> BOOL #foreign
SystemTimeToFileTime :: proc(system_time: ^SYSTEMTIME, file_time: ^FILETIME) -> BOOL #foreign
// File Stuff
CloseHandle :: proc(h: HANDLE) -> i32 #foreign #dll_import
GetStdHandle :: proc(h: i32) -> HANDLE #foreign #dll_import
CloseHandle :: proc(h: HANDLE) -> i32 #foreign
GetStdHandle :: proc(h: i32) -> HANDLE #foreign
CreateFileA :: proc(filename: ^u8, desired_access, share_mode: u32,
security: rawptr,
creation, flags_and_attribs: u32, template_file: HANDLE) -> HANDLE #foreign #dll_import
ReadFile :: proc(h: HANDLE, buf: rawptr, to_read: u32, bytes_read: ^i32, overlapped: rawptr) -> BOOL #foreign #dll_import
WriteFile :: proc(h: HANDLE, buf: rawptr, len: i32, written_result: ^i32, overlapped: rawptr) -> BOOL #foreign #dll_import
creation, flags_and_attribs: u32, template_file: HANDLE) -> HANDLE #foreign
ReadFile :: proc(h: HANDLE, buf: rawptr, to_read: u32, bytes_read: ^i32, overlapped: rawptr) -> BOOL #foreign
WriteFile :: proc(h: HANDLE, buf: rawptr, len: i32, written_result: ^i32, overlapped: rawptr) -> BOOL #foreign
GetFileSizeEx :: proc(file_handle: HANDLE, file_size: ^i64) -> BOOL #foreign #dll_import
GetFileAttributesExA :: proc(filename: ^u8, info_level_id: GET_FILEEX_INFO_LEVELS, file_info: rawptr) -> BOOL #foreign #dll_import
GetFileInformationByHandle :: proc(file_handle: HANDLE, file_info: ^BY_HANDLE_FILE_INFORMATION) -> BOOL #foreign #dll_import
GetFileSizeEx :: proc(file_handle: HANDLE, file_size: ^i64) -> BOOL #foreign
GetFileAttributesExA :: proc(filename: ^u8, info_level_id: GET_FILEEX_INFO_LEVELS, file_info: rawptr) -> BOOL #foreign
GetFileInformationByHandle :: proc(file_handle: HANDLE, file_info: ^BY_HANDLE_FILE_INFORMATION) -> BOOL #foreign
GetFileType :: proc(file_handle: HANDLE) -> u32 #foreign #dll_import
SetFilePointer :: proc(file_handle: HANDLE, distance_to_move: i32, distance_to_move_high: ^i32, move_method: u32) -> u32 #foreign #dll_import
GetFileType :: proc(file_handle: HANDLE) -> u32 #foreign
SetFilePointer :: proc(file_handle: HANDLE, distance_to_move: i32, distance_to_move_high: ^i32, move_method: u32) -> u32 #foreign
SetHandleInformation :: proc(obj: HANDLE, mask, flags: u32) -> BOOL #foreign #dll_import
SetHandleInformation :: proc(obj: HANDLE, mask, flags: u32) -> BOOL #foreign
HANDLE_FLAG_INHERIT :: 1;
HANDLE_FLAG_PROTECT_FROM_CLOSE :: 2;
@@ -238,10 +250,10 @@ INVALID_SET_FILE_POINTER :: ~cast(u32)0;
HeapAlloc :: proc (h: HANDLE, flags: u32, bytes: int) -> rawptr #foreign #dll_import
HeapReAlloc :: proc (h: HANDLE, flags: u32, memory: rawptr, bytes: int) -> rawptr #foreign #dll_import
HeapFree :: proc (h: HANDLE, flags: u32, memory: rawptr) -> BOOL #foreign #dll_import
GetProcessHeap :: proc () -> HANDLE #foreign #dll_import
HeapAlloc :: proc (h: HANDLE, flags: u32, bytes: int) -> rawptr #foreign
HeapReAlloc :: proc (h: HANDLE, flags: u32, memory: rawptr, bytes: int) -> rawptr #foreign
HeapFree :: proc (h: HANDLE, flags: u32, memory: rawptr) -> BOOL #foreign
GetProcessHeap :: proc () -> HANDLE #foreign
HEAP_ZERO_MEMORY :: 0x00000008;
@@ -256,9 +268,9 @@ SECURITY_ATTRIBUTES :: struct #ordered {
INFINITE :: 0xffffffff;
CreateSemaphoreA :: proc(attributes: ^SECURITY_ATTRIBUTES, initial_count, maximum_count: i32, name: ^byte) -> HANDLE #foreign #dll_import
ReleaseSemaphore :: proc(semaphore: HANDLE, release_count: i32, previous_count: ^i32) -> BOOL #foreign #dll_import
WaitForSingleObject :: proc(handle: HANDLE, milliseconds: u32) -> u32 #foreign #dll_import
CreateSemaphoreA :: proc(attributes: ^SECURITY_ATTRIBUTES, initial_count, maximum_count: i32, name: ^byte) -> HANDLE #foreign
ReleaseSemaphore :: proc(semaphore: HANDLE, release_count: i32, previous_count: ^i32) -> BOOL #foreign
WaitForSingleObject :: proc(handle: HANDLE, milliseconds: u32) -> u32 #foreign
InterlockedCompareExchange :: proc(dst: ^i32, exchange, comparand: i32) -> i32 #foreign
@@ -309,7 +321,7 @@ StretchDIBits :: proc (hdc: HDC,
x_src, y_src, width_src, header_src: i32,
bits: rawptr, bits_info: ^BITMAPINFO,
usage: u32,
rop: u32) -> i32 #foreign #dll_import
rop: u32) -> i32 #foreign
@@ -381,10 +393,10 @@ PIXELFORMATDESCRIPTOR :: struct #ordered {
}
GetDC :: proc(h: HANDLE) -> HDC #foreign
SetPixelFormat :: proc(hdc: HDC, pixel_format: i32, pfd: ^PIXELFORMATDESCRIPTOR ) -> BOOL #foreign #dll_import
ChoosePixelFormat :: proc(hdc: HDC, pfd: ^PIXELFORMATDESCRIPTOR) -> i32 #foreign #dll_import
SwapBuffers :: proc(hdc: HDC) -> BOOL #foreign #dll_import
ReleaseDC :: proc(wnd: HWND, hdc: HDC) -> i32 #foreign #dll_import
SetPixelFormat :: proc(hdc: HDC, pixel_format: i32, pfd: ^PIXELFORMATDESCRIPTOR ) -> BOOL #foreign
ChoosePixelFormat :: proc(hdc: HDC, pfd: ^PIXELFORMATDESCRIPTOR) -> i32 #foreign
SwapBuffers :: proc(hdc: HDC) -> BOOL #foreign
ReleaseDC :: proc(wnd: HWND, hdc: HDC) -> i32 #foreign
WGL_CONTEXT_MAJOR_VERSION_ARB :: 0x2091;
WGL_CONTEXT_MINOR_VERSION_ARB :: 0x2092;
@@ -392,15 +404,15 @@ WGL_CONTEXT_PROFILE_MASK_ARB :: 0x9126;
WGL_CONTEXT_CORE_PROFILE_BIT_ARB :: 0x0001;
WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB :: 0x0002;
wglCreateContext :: proc(hdc: HDC) -> HGLRC #foreign #dll_import
wglMakeCurrent :: proc(hdc: HDC, hglrc: HGLRC) -> BOOL #foreign #dll_import
wglGetProcAddress :: proc(c_str: ^u8) -> PROC #foreign #dll_import
wglDeleteContext :: proc(hglrc: HGLRC) -> BOOL #foreign #dll_import
wglCreateContext :: proc(hdc: HDC) -> HGLRC #foreign
wglMakeCurrent :: proc(hdc: HDC, hglrc: HGLRC) -> BOOL #foreign
wglGetProcAddress :: proc(c_str: ^u8) -> PROC #foreign
wglDeleteContext :: proc(hglrc: HGLRC) -> BOOL #foreign
GetKeyState :: proc(v_key: i32) -> i16 #foreign #dll_import
GetAsyncKeyState :: proc(v_key: i32) -> i16 #foreign #dll_import
GetKeyState :: proc(v_key: i32) -> i16 #foreign
GetAsyncKeyState :: proc(v_key: i32) -> i16 #foreign
is_key_down :: proc(key: Key_Code) -> bool #inline { return GetAsyncKeyState(cast(i32)key) < 0; }

13
src/check_expr.c
View File

@@ -3882,6 +3882,19 @@ ExprKind check__expr_base(Checker *c, Operand *o, AstNode *node, Type *type_hint
o->value = make_exact_value_from_basic_literal(*bl);
case_end;
case_ast_node(bd, BasicDirective, node);
if (str_eq(bd->name, str_lit("file"))) {
o->type = t_untyped_string;
o->value = make_exact_value_string(bd->token.pos.file);
} else if (str_eq(bd->name, str_lit("line"))) {
o->type = t_untyped_integer;
o->value = make_exact_value_integer(bd->token.pos.line);
} else {
GB_PANIC("Unknown basic basic directive");
}
o->mode = Addressing_Constant;
case_end;
case_ast_node(pl, ProcLit, node);
Type *type = check_type(c, pl->type);
if (type == NULL || !is_type_proc(type)) {

8
src/check_stmt.c
View File

@@ -527,7 +527,7 @@ void check_stmt_internal(Checker *c, AstNode *node, u32 flags) {
case_ast_node(rs, ReturnStmt, node);
GB_ASSERT(c->proc_stack.count > 0);
if (c->in_defer) {
if (c->context.in_defer) {
error(rs->token, "You cannot `return` within a defer statement");
// TODO(bill): Should I break here?
break;
@@ -1046,10 +1046,10 @@ void check_stmt_internal(Checker *c, AstNode *node, u32 flags) {
if (is_ast_node_decl(ds->stmt)) {
error(ds->token, "You cannot defer a declaration");
} else {
bool out_in_defer = c->in_defer;
c->in_defer = true;
bool out_in_defer = c->context.in_defer;
c->context.in_defer = true;
check_stmt(c, ds->stmt, 0);
c->in_defer = out_in_defer;
c->context.in_defer = out_in_defer;
}
case_end;

2
src/checker.c
View File

@@ -250,6 +250,7 @@ typedef struct CheckerContext {
Scope * scope;
DeclInfo * decl;
u32 stmt_state_flags;
bool in_defer; // TODO(bill): Actually handle correctly
} CheckerContext;
// NOTE(bill): Symbol tables
@@ -288,7 +289,6 @@ typedef struct Checker {
CheckerContext context;
Array(Type *) proc_stack;
bool in_defer; // TODO(bill): Actually handle correctly
bool done_preload;
} Checker;

10
src/ir.c
View File

@@ -1479,12 +1479,13 @@ irValue *ir_emit_arith(irProcedure *proc, TokenKind op, irValue *left, irValue *
return ir_emit_ptr_offset(proc, ptr, offset);
} else if (is_type_pointer(t_left) && is_type_pointer(t_right)) {
GB_ASSERT(is_type_integer(type));
Type *ptr_type = t_left;
irModule *m = proc->module;
Type *ptr_type = base_type(t_left);
GB_ASSERT(!is_type_rawptr(ptr_type));
irValue *elem_size = ir_make_const_int(m->allocator, type_size_of(m->sizes, m->allocator, ptr_type->Pointer.elem));
irValue *x = ir_emit_conv(proc, left, type);
irValue *y = ir_emit_conv(proc, right, type);
irValue *diff = ir_emit_arith(proc, op, x, y, type);
irValue *elem_size = ir_make_const_int(m->allocator, type_size_of(m->sizes, m->allocator, ptr_type));
return ir_emit_arith(proc, Token_Quo, diff, elem_size, type);
}
}
@@ -2547,6 +2548,11 @@ irValue *ir_build_single_expr(irProcedure *proc, AstNode *expr, TypeAndValue *tv
GB_PANIC("Non-constant basic literal %.*s(%td:%td) - %.*s", LIT(pos.file), pos.line, pos.column, LIT(token_strings[bl->kind]));
case_end;
case_ast_node(bd, BasicDirective, expr);
TokenPos pos = bd->token.pos;
GB_PANIC("Non-constant basic literal %.*s(%td:%td) - %.*s", LIT(pos.file), pos.line, pos.column, LIT(bd->name));
case_end;
case_ast_node(i, Ident, expr);
Entity *e = *map_entity_get(&proc->module->info->uses, hash_pointer(expr));
if (e->kind == Entity_Builtin) {

6
src/ir_print.c
View File

@@ -1235,9 +1235,9 @@ void ir_print_instr(irFileBuffer *f, irModule *m, irValue *value) {
void ir_print_proc(irFileBuffer *f, irModule *m, irProcedure *proc) {
if (proc->body == NULL) {
ir_fprintf(f, "declare ");
if (proc->tags & ProcTag_dll_import) {
ir_fprintf(f, "dllimport ");
}
// if (proc->tags & ProcTag_dll_import) {
// ir_fprintf(f, "dllimport ");
// }
} else {
ir_fprintf(f, "\n");
ir_fprintf(f, "define ");

54
src/parser.c
View File

@@ -70,7 +70,7 @@ typedef enum ProcTag {
ProcTag_link_name = 1<<12,
ProcTag_inline = 1<<13,
ProcTag_no_inline = 1<<14,
ProcTag_dll_import = 1<<15,
// ProcTag_dll_import = 1<<15,
// ProcTag_dll_export = 1<<16,
} ProcTag;
@@ -113,9 +113,13 @@ AstNodeArray make_ast_node_array(AstFile *f) {
#define AST_NODE_KINDS \
AST_NODE_KIND(BasicLit, "basic literal", Token) \
AST_NODE_KIND(Ident, "identifier", Token) \
AST_NODE_KIND(Ellipsis, "ellipsis", struct { \
AST_NODE_KIND(Ident, "identifier", Token) \
AST_NODE_KIND(BasicLit, "basic literal", Token) \
AST_NODE_KIND(BasicDirective, "basic directive", struct { \
Token token; \
String name; \
}) \
AST_NODE_KIND(Ellipsis, "ellipsis", struct { \
Token token; \
AstNode *expr; \
}) \
@@ -420,10 +424,12 @@ gb_inline bool is_ast_node_when_stmt(AstNode *node) {
Token ast_node_token(AstNode *node) {
switch (node->kind) {
case AstNode_BasicLit:
return node->BasicLit;
case AstNode_Ident:
return node->Ident;
case AstNode_BasicLit:
return node->BasicLit;
case AstNode_BasicDirective:
return node->BasicDirective.token;
case AstNode_ProcLit:
return ast_node_token(node->ProcLit.type);
case AstNode_CompoundLit:
@@ -741,15 +747,22 @@ AstNode *make_interval_expr(AstFile *f, Token op, AstNode *left, AstNode *right)
AstNode *make_ident(AstFile *f, Token token) {
AstNode *result = make_node(f, AstNode_Ident);
result->Ident = token;
return result;
}
AstNode *make_basic_lit(AstFile *f, Token basic_lit) {
AstNode *result = make_node(f, AstNode_BasicLit);
result->BasicLit = basic_lit;
return result;
}
AstNode *make_ident(AstFile *f, Token token) {
AstNode *result = make_node(f, AstNode_Ident);
result->Ident = token;
AstNode *make_basic_directive(AstFile *f, Token token, String name) {
AstNode *result = make_node(f, AstNode_BasicDirective);
result->BasicDirective.token = token;
result->BasicDirective.name = name;
return result;
}
@@ -1543,7 +1556,7 @@ void parse_proc_tags(AstFile *f, u64 *tags, String *foreign_name, String *link_n
ELSE_IF_ADD_TAG(no_bounds_check)
ELSE_IF_ADD_TAG(inline)
ELSE_IF_ADD_TAG(no_inline)
ELSE_IF_ADD_TAG(dll_import)
// ELSE_IF_ADD_TAG(dll_import)
// ELSE_IF_ADD_TAG(dll_export)
else if (str_eq(tag_name, str_lit("cc_odin"))) {
if (cc == ProcCC_Invalid) {
@@ -1570,7 +1583,7 @@ void parse_proc_tags(AstFile *f, u64 *tags, String *foreign_name, String *link_n
syntax_error_node(tag_expr, "Multiple calling conventions for procedure type");
}
} else {
syntax_error_node(tag_expr, "Unknown procedure tag");
syntax_error_node(tag_expr, "Unknown procedure tag #%.*s\n", LIT(tag_name));
}
#undef ELSE_IF_ADD_TAG
@@ -1752,17 +1765,9 @@ AstNode *parse_operand(AstFile *f, bool lhs) {
Token token = expect_token(f, Token_Hash);
Token name = expect_token(f, Token_Ident);
if (str_eq(name.string, str_lit("file"))) {
Token token = name;
token.kind = Token_String;
token.string = token.pos.file;
return make_basic_lit(f, token);
return make_basic_directive(f, token, name.string);
} else if (str_eq(name.string, str_lit("line"))) {
Token token = name;
token.kind = Token_Integer;
char *str = gb_alloc_array(gb_arena_allocator(&f->arena), char, 20);
gb_i64_to_str(token.pos.line, str, 10);
token.string = make_string_c(str);
return make_basic_lit(f, token);
return make_basic_directive(f, token, name.string);
} else if (str_eq(name.string, str_lit("run"))) {
AstNode *expr = parse_expr(f, false);
operand = make_run_expr(f, token, name, expr);
@@ -3077,20 +3082,21 @@ AstNode *parse_defer_stmt(AstFile *f) {
}
Token token = expect_token(f, Token_defer);
AstNode *statement = parse_stmt(f);
switch (statement->kind) {
AstNode *stmt = parse_stmt(f);
switch (stmt->kind) {
case AstNode_EmptyStmt:
syntax_error(token, "Empty statement after defer (e.g. `;`)");
break;
case AstNode_DeferStmt:
syntax_error(token, "You cannot defer a defer statement");
stmt = stmt->DeferStmt.stmt;
break;
case AstNode_ReturnStmt:
syntax_error(token, "You cannot a return statement");
break;
}
return make_defer_stmt(f, token, statement);
return make_defer_stmt(f, token, stmt);
}
AstNode *parse_asm_stmt(AstFile *f) {