Moved const and extern identifiers to the left

examples/shell/const.q

@@ -1,7 +1,7 @@
-const idtype {
+idtype const {
 	pid 1
 }
 
-const state {
+state const {
 	exited 0x4
 }

examples/winapi/winapi.q

@@ -1,4 +1,4 @@
-extern user32 {
+user32 extern {
 	MessageBoxA(window *any, text *byte, title *byte, flags uint) -> int
 }
 

lib/core/core_windows.q

@@ -1,3 +1,13 @@
+cp const {
+	utf8 65001
+}
+
+kernel32 extern {
+	SetConsoleCP(cp uint)
+	SetConsoleOutputCP(cp uint)
+	ExitProcess(code uint)
+}
+
 init() {
 	kernel32.SetConsoleCP(cp.utf8)
 	kernel32.SetConsoleOutputCP(cp.utf8)
@@ -11,14 +21,4 @@ exit() {
 
 crash() {
 	kernel32.ExitProcess(1)
-}
-
-const cp {
-	utf8 65001
-}
-
-extern kernel32 {
-	SetConsoleCP(cp uint)
-	SetConsoleOutputCP(cp uint)
-	ExitProcess(code uint)
 }

lib/io/io.q

@@ -1,5 +1,23 @@
 import sys
 
+std const {
+	in 0
+	out 1
+	err 2
+}
+
+in(buffer []byte) -> int {
+	return sys.read(std.in, buffer, len(buffer))
+}
+
+out(buffer []byte) -> int {
+	return sys.write(std.out, buffer, len(buffer))
+}
+
+error(buffer []byte) -> int {
+	return sys.write(std.err, buffer, len(buffer))
+}
+
 read(fd int, buffer []byte) -> int {
 	return sys.read(fd, buffer, len(buffer))
 }

lib/io/std.q

@@ -1,19 +0,0 @@
-import sys
-
-in(buffer []byte) -> int {
-	return sys.read(std.in, buffer, len(buffer))
-}
-
-out(buffer []byte) -> int {
-	return sys.write(std.out, buffer, len(buffer))
-}
-
-error(buffer []byte) -> int {
-	return sys.write(std.err, buffer, len(buffer))
-}
-
-const std {
-	in  0
-	out 1
-	err 2
-}

lib/mem/alloc_windows.q

@@ -1,4 +1,4 @@
-extern kernel32 {
+kernel32 extern {
 	VirtualAlloc(address int, size uint, flags uint32, protection uint32) -> *any
 }
 

lib/mem/const_linux.q

@@ -1,9 +1,9 @@
-const prot {
-	read  0x1
+prot const {
+	read 0x1
 	write 0x2
 }
 
-const map {
-	private   0x02
+map const {
+	private 0x02
 	anonymous 0x20
 }

lib/mem/const_mac.q

@@ -1,9 +1,9 @@
-const prot {
-	read  0x1
+prot const {
+	read 0x1
 	write 0x2
 }
 
-const map {
-	private   0x02
+map const {
+	private 0x02
 	anonymous 0x1000
 }

lib/mem/const_windows.q

@@ -1,9 +1,9 @@
-const page {
+page const {
 	readwrite 0x0004
 }
 
-const mem {
-	commit   0x1000
-	reserve  0x2000
+mem const {
+	commit 0x1000
+	reserve 0x2000
 	decommit 0x4000
 }

lib/mem/free_windows.q

@@ -1,4 +1,4 @@
-extern kernel32 {
+kernel32 extern {
 	VirtualFree(address *any, size uint, type uint32) -> bool
 }
 

lib/sys/sys_windows.q

@@ -10,7 +10,7 @@ write(fd int, buffer *byte, length int) -> int {
 	return length
 }
 
-extern kernel32 {
+kernel32 extern {
 	GetStdHandle(handle int64) -> int64
 	ReadConsole(fd int64, buffer *byte, length uint32, written *uint32) -> bool
 	WriteConsoleA(fd int64, buffer *byte, length uint32, written *uint32) -> bool

lib/thread/thread_linux.q

@@ -1,6 +1,16 @@
 import core
 import sys
 
+clone const {
+	vm 0x100
+	fs 0x200
+	files 0x400
+	sighand 0x800
+	parent 0x8000
+	thread 0x10000
+	io 0x80000000
+}
+
 create(func *any) -> int {
 	stack := sys.mmap(0, 4096, 0x1|0x2, 0x02|0x20|0x100)
 	stack += 4096 - 8
@@ -8,14 +18,4 @@ create(func *any) -> int {
 	stack -= 8
 	store(stack, 8, func)
 	return sys.clone(clone.vm|clone.fs|clone.files|clone.sighand|clone.parent|clone.thread|clone.io, stack, 0, 0, 0)
-}
-
-const clone {
-	vm      0x100
-	fs      0x200
-	files   0x400
-	sighand 0x800
-	parent  0x8000
-	thread  0x10000
-	io      0x80000000
 }

lib/thread/thread_windows.q

@@ -1,7 +1,7 @@
-create(func *any) -> int {
-	return kernel32.CreateThread(0, 4096, func, 0)
+kernel32 extern {
+	CreateThread(attributes int, stackSize int, address *any, parameter int) -> int
 }
 
-extern kernel32 {
-	CreateThread(attributes int, stackSize int, address *any, parameter int) -> int
+create(func *any) -> int {
+	return kernel32.CreateThread(0, 4096, func, 0)
 }

src/errors/Common.go

@@ -2,12 +2,10 @@ package errors
 
 var (
 	EmptySwitch                = &Base{"Empty switch"}
-	ExpectedConstName          = &Base{"Expected a name for the const group"}
 	InvalidDefinition          = &Base{"Invalid definition"}
 	ExpectedFunctionDefinition = &Base{"Expected function definition"}
 	ExpectedIfBeforeElse       = &Base{"Expected an 'if' block before 'else'"}
 	ExpectedPackageName        = &Base{"Expected package name"}
-	ExpectedDLLName            = &Base{"Expected DLL name"}
 	InvalidNumber              = &Base{"Invalid number"}
 	InvalidCondition           = &Base{"Invalid condition"}
 	InvalidExpression          = &Base{"Invalid expression"}

src/scanner/scanConst.go

@@ -9,14 +9,8 @@ import (
 
 // scanConst scans a block of constants.
 func (s *Scanner) scanConst(file *fs.File, tokens token.List, i int) (int, error) {
-	i++
-
-	if tokens[i].Kind != token.Identifier {
-		return i, errors.New(errors.ExpectedConstName, file, tokens[i].Position)
-	}
-
 	groupName := tokens[i].Text(file.Bytes)
-	i++
+	i += 2
 
 	if tokens[i].Kind != token.BlockStart {
 		return i, errors.New(errors.MissingBlockStart, file, tokens[i].Position)

src/scanner/scanExtern.go

@@ -8,14 +8,8 @@ import (
 
 // scanExtern scans a block of external function declarations.
 func (s *Scanner) scanExtern(file *fs.File, tokens token.List, i int) (int, error) {
-	i++
-
-	if tokens[i].Kind != token.Identifier {
-		return i, errors.New(errors.ExpectedDLLName, file, tokens[i].Position)
-	}
-
 	dllName := tokens[i].Text(file.Bytes)
-	i++
+	i += 2
 
 	if tokens[i].Kind != token.BlockStart {
 		return i, errors.New(errors.MissingBlockStart, file, tokens[i].Position)

src/scanner/scanFile.go

@@ -43,6 +43,10 @@ func (s *Scanner) scanFile(path string, pkg string) error {
 				i, err = s.scanFunction(file, tokens, i)
 			case token.BlockStart:
 				i, err = s.scanStruct(file, tokens, i)
+			case token.Extern:
+				i, err = s.scanExtern(file, tokens, i)
+			case token.Const:
+				i, err = s.scanConst(file, tokens, i)
 			case token.GroupEnd:
 				return errors.New(errors.MissingGroupStart, file, next.Position)
 			case token.BlockEnd:
@@ -54,10 +58,6 @@ func (s *Scanner) scanFile(path string, pkg string) error {
 			}
 		case token.Import:
 			i, err = s.scanImport(file, tokens, i)
-		case token.Extern:
-			i, err = s.scanExtern(file, tokens, i)
-		case token.Const:
-			i, err = s.scanConst(file, tokens, i)
 		case token.EOF:
 			return nil
 		case token.Invalid:

tests/errors/ExpectedDLLName.q

@@ -1 +0,0 @@
-extern {}

tests/errors_test.go

@@ -15,7 +15,6 @@ var errs = []struct {
 	ExpectedError error
 }{
 	{"EmptySwitch.q", errors.EmptySwitch},
-	{"ExpectedDLLName.q", errors.ExpectedDLLName},
 	{"ExpectedFunctionDefinition.q", errors.ExpectedFunctionDefinition},
 	{"ExpectedIfBeforeElse.q", errors.ExpectedIfBeforeElse},
 	{"ExpectedIfBeforeElse2.q", errors.ExpectedIfBeforeElse},

tests/programs/const.q

@@ -1,6 +1,6 @@
-const num {
-	one   1
-	two   2
+num const {
+	one 1
+	two 2
 	three 3
 }