parse func decls

build.hon

@@ -3,9 +3,4 @@ b :: import "@std/build"
 config :: b.BuildConfig{
 	name = "honey",
 	source = "source",
-	libraries = &[],
-	lib_paths = &[],
-	includes = &[],
-	defines = &[],
-	links = &[],
 }

ffi/c/errno.hon

@@ -0,0 +1,120 @@
+# generated by brolang translate-c from errno.h
+
+errno_t :: alias c_int
+
+EPERM c_int :: 1
+ENOENT c_int :: 2
+ESRCH c_int :: 3
+EINTR c_int :: 4
+EIO c_int :: 5
+ENXIO c_int :: 6
+E2BIG c_int :: 7
+ENOEXEC c_int :: 8
+EBADF c_int :: 9
+ECHILD c_int :: 10
+EDEADLK c_int :: 11
+ENOMEM c_int :: 12
+EACCES c_int :: 13
+EFAULT c_int :: 14
+ENOTBLK c_int :: 15
+EBUSY c_int :: 16
+EEXIST c_int :: 17
+EXDEV c_int :: 18
+ENODEV c_int :: 19
+ENOTDIR c_int :: 20
+EISDIR c_int :: 21
+EINVAL c_int :: 22
+ENFILE c_int :: 23
+EMFILE c_int :: 24
+ENOTTY c_int :: 25
+ETXTBSY c_int :: 26
+EFBIG c_int :: 27
+ENOSPC c_int :: 28
+ESPIPE c_int :: 29
+EROFS c_int :: 30
+EMLINK c_int :: 31
+EPIPE c_int :: 32
+EDOM c_int :: 33
+ERANGE c_int :: 34
+EAGAIN c_int :: 35
+EINPROGRESS c_int :: 36
+EALREADY c_int :: 37
+ENOTSOCK c_int :: 38
+EDESTADDRREQ c_int :: 39
+EMSGSIZE c_int :: 40
+EPROTOTYPE c_int :: 41
+ENOPROTOOPT c_int :: 42
+EPROTONOSUPPORT c_int :: 43
+ESOCKTNOSUPPORT c_int :: 44
+ENOTSUP c_int :: 45
+EPFNOSUPPORT c_int :: 46
+EAFNOSUPPORT c_int :: 47
+EADDRINUSE c_int :: 48
+EADDRNOTAVAIL c_int :: 49
+ENETDOWN c_int :: 50
+ENETUNREACH c_int :: 51
+ENETRESET c_int :: 52
+ECONNABORTED c_int :: 53
+ECONNRESET c_int :: 54
+ENOBUFS c_int :: 55
+EISCONN c_int :: 56
+ENOTCONN c_int :: 57
+ESHUTDOWN c_int :: 58
+ETOOMANYREFS c_int :: 59
+ETIMEDOUT c_int :: 60
+ECONNREFUSED c_int :: 61
+ELOOP c_int :: 62
+ENAMETOOLONG c_int :: 63
+EHOSTDOWN c_int :: 64
+EHOSTUNREACH c_int :: 65
+ENOTEMPTY c_int :: 66
+EPROCLIM c_int :: 67
+EUSERS c_int :: 68
+EDQUOT c_int :: 69
+ESTALE c_int :: 70
+EREMOTE c_int :: 71
+EBADRPC c_int :: 72
+ERPCMISMATCH c_int :: 73
+EPROGUNAVAIL c_int :: 74
+EPROGMISMATCH c_int :: 75
+EPROCUNAVAIL c_int :: 76
+ENOLCK c_int :: 77
+ENOSYS c_int :: 78
+EFTYPE c_int :: 79
+EAUTH c_int :: 80
+ENEEDAUTH c_int :: 81
+EPWROFF c_int :: 82
+EDEVERR c_int :: 83
+EOVERFLOW c_int :: 84
+EBADEXEC c_int :: 85
+EBADARCH c_int :: 86
+ESHLIBVERS c_int :: 87
+EBADMACHO c_int :: 88
+ECANCELED c_int :: 89
+EIDRM c_int :: 90
+ENOMSG c_int :: 91
+EILSEQ c_int :: 92
+ENOATTR c_int :: 93
+EBADMSG c_int :: 94
+EMULTIHOP c_int :: 95
+ENODATA c_int :: 96
+ENOLINK c_int :: 97
+ENOSR c_int :: 98
+ENOSTR c_int :: 99
+EPROTO c_int :: 100
+ETIME c_int :: 101
+EOPNOTSUPP c_int :: 102
+ENOPOLICY c_int :: 103
+ENOTRECOVERABLE c_int :: 104
+EOWNERDEAD c_int :: 105
+EQFULL c_int :: 106
+ENOTCAPABLE c_int :: 107
+ELAST c_int :: 107
+
+__error c_func() ?*mut c_int
+
+# unsupported in bindings: _SYS_ERRNO_H_ — C macro has no replacement value
+# unsupported in bindings: _CDEFS_H_ — C macro has no replacement value
+# unsupported in bindings: _ERRNO_T — C macro has no replacement value
+# unsupported in bindings: errno — C macro is not a supported constant
+# unsupported in bindings: EWOULDBLOCK — C macro is not a supported constant

ffi/c/fcntl.hon

@@ -0,0 +1,393 @@
+# generated by brolang translate-c from fcntl.h
+
+# unsupported in bindings: C union '__mbstate_t' has no native spelling
+__c_fcntl_bro_flock_record :: c_struct {
+	l_start c_longlong
+	l_len c_longlong
+	l_pid c_int
+	l_type c_short
+	l_whence c_short
+}
+flocktimeout :: c_struct {
+	fl __c_fcntl_bro_flock_record
+	timeout timespec
+}
+radvisory :: c_struct {
+	ra_offset c_longlong
+	ra_count c_int
+}
+fsignatures :: c_struct {
+	fs_file_start c_longlong
+	fs_blob_start ?*mut anyopaque
+	fs_blob_size c_ulong
+	fs_fsignatures_size c_ulong
+	fs_cdhash [20]c_char
+	fs_hash_type c_int
+}
+fsupplement :: c_struct {
+	fs_file_start c_longlong
+	fs_blob_start c_longlong
+	fs_blob_size c_ulong
+	fs_orig_fd c_int
+}
+fchecklv :: c_struct {
+	lv_file_start c_longlong
+	lv_error_message_size c_ulong
+	lv_error_message ?*mut anyopaque
+}
+fgetsigsinfo :: c_struct {
+	fg_file_start c_longlong
+	fg_info_request c_int
+	fg_sig_is_platform c_int
+}
+fstore :: c_struct {
+	fst_flags c_uint
+	fst_posmode c_int
+	fst_offset c_longlong
+	fst_length c_longlong
+	fst_bytesalloc c_longlong
+}
+fpunchhole :: c_struct {
+	fp_flags c_uint
+	reserved c_uint
+	fp_offset c_longlong
+	fp_length c_longlong
+}
+ftrimactivefile :: c_struct {
+	fta_offset c_longlong
+	fta_length c_longlong
+}
+fspecread :: c_struct {
+	fsr_flags c_uint
+	reserved c_uint
+	fsr_offset c_longlong
+	fsr_length c_longlong
+}
+fattributiontag :: c_struct {
+	ft_flags c_uint
+	ft_hash c_ulonglong
+	ft_attribution_name [255]c_char
+}
+log2phys :: c_struct {
+	l2p_flags c_uint
+	l2p_contigbytes c_longlong
+	l2p_devoffset c_longlong
+}
+_filesec :: opaque
+
+# unsupported in bindings: typedef '__mbstate_t' — underlying type has no native spelling
+# unsupported in bindings: typedef '__darwin_mbstate_t' — underlying type has no native spelling
+fsignatures_t :: alias fsignatures
+fsupplement_t :: alias fsupplement
+fchecklv_t :: alias fchecklv
+fgetsigsinfo_t :: alias fgetsigsinfo
+fstore_t :: alias fstore
+fpunchhole_t :: alias fpunchhole
+ftrimactivefile_t :: alias ftrimactivefile
+fspecread_t :: alias fspecread
+fattributiontag_t :: alias fattributiontag
+# unsupported in bindings: typedef '_filesec' — underlying type has no native spelling
+filesec_t :: alias ?*mut _filesec
+filesec_property_t :: alias c_uint
+
+O_RDONLY c_int :: 0
+O_WRONLY c_int :: 1
+O_RDWR c_int :: 2
+O_ACCMODE c_int :: 3
+FREAD c_int :: 1
+FWRITE c_int :: 2
+O_NONBLOCK c_int :: 4
+O_APPEND c_int :: 8
+O_SYNC c_int :: 128
+O_SHLOCK c_int :: 16
+O_EXLOCK c_int :: 32
+O_ASYNC c_int :: 64
+O_NOFOLLOW c_int :: 256
+O_CREAT c_int :: 512
+O_TRUNC c_int :: 1024
+O_EXCL c_int :: 2048
+O_RESOLVE_BENEATH c_int :: 4096
+O_UNIQUE c_int :: 8192
+O_EVTONLY c_int :: 32768
+O_NOCTTY c_int :: 131072
+O_DIRECTORY c_int :: 1048576
+O_SYMLINK c_int :: 2097152
+O_DSYNC c_int :: 4194304
+O_CLOEXEC c_int :: 16777216
+O_NOFOLLOW_ANY c_int :: 536870912
+O_EXEC c_int :: 1073741824
+AT_FDCWD c_int :: -2
+AT_EACCESS c_int :: 16
+AT_SYMLINK_NOFOLLOW c_int :: 32
+AT_SYMLINK_FOLLOW c_int :: 64
+AT_REMOVEDIR c_int :: 128
+AT_REALDEV c_int :: 512
+AT_FDONLY c_int :: 1024
+AT_SYMLINK_NOFOLLOW_ANY c_int :: 2048
+AT_RESOLVE_BENEATH c_int :: 8192
+AT_NODELETEBUSY c_int :: 16384
+AT_UNIQUE c_int :: 32768
+O_DP_GETRAWENCRYPTED c_int :: 1
+O_DP_GETRAWUNENCRYPTED c_int :: 2
+O_DP_AUTHENTICATE c_int :: 4
+AUTH_OPEN_NOAUTHFD c_int :: -1
+CPF_OVERWRITE c_int :: 1
+CPF_IGNORE_MODE c_int :: 2
+F_DUPFD c_int :: 0
+F_GETFD c_int :: 1
+F_SETFD c_int :: 2
+F_GETFL c_int :: 3
+F_SETFL c_int :: 4
+F_GETOWN c_int :: 5
+F_SETOWN c_int :: 6
+F_GETLK c_int :: 7
+F_SETLK c_int :: 8
+F_SETLKW c_int :: 9
+F_SETLKWTIMEOUT c_int :: 10
+F_FLUSH_DATA c_int :: 40
+F_CHKCLEAN c_int :: 41
+F_PREALLOCATE c_int :: 42
+F_SETSIZE c_int :: 43
+F_RDADVISE c_int :: 44
+F_RDAHEAD c_int :: 45
+F_NOCACHE c_int :: 48
+F_LOG2PHYS c_int :: 49
+F_GETPATH c_int :: 50
+F_FULLFSYNC c_int :: 51
+F_PATHPKG_CHECK c_int :: 52
+F_FREEZE_FS c_int :: 53
+F_THAW_FS c_int :: 54
+F_GLOBAL_NOCACHE c_int :: 55
+F_ADDSIGS c_int :: 59
+F_ADDFILESIGS c_int :: 61
+F_NODIRECT c_int :: 62
+F_GETPROTECTIONCLASS c_int :: 63
+F_SETPROTECTIONCLASS c_int :: 64
+F_LOG2PHYS_EXT c_int :: 65
+F_GETLKPID c_int :: 66
+F_SETBACKINGSTORE c_int :: 70
+F_GETPATH_MTMINFO c_int :: 71
+F_GETCODEDIR c_int :: 72
+F_SETNOSIGPIPE c_int :: 73
+F_GETNOSIGPIPE c_int :: 74
+F_TRANSCODEKEY c_int :: 75
+F_SINGLE_WRITER c_int :: 76
+F_GETPROTECTIONLEVEL c_int :: 77
+F_FINDSIGS c_int :: 78
+F_ADDFILESIGS_FOR_DYLD_SIM c_int :: 83
+F_BARRIERFSYNC c_int :: 85
+F_OFD_SETLK c_int :: 90
+F_OFD_SETLKW c_int :: 91
+F_OFD_GETLK c_int :: 92
+F_OFD_SETLKWTIMEOUT c_int :: 93
+F_ADDFILESIGS_RETURN c_int :: 97
+F_CHECK_LV c_int :: 98
+F_PUNCHHOLE c_int :: 99
+F_TRIM_ACTIVE_FILE c_int :: 100
+F_SPECULATIVE_READ c_int :: 101
+F_GETPATH_NOFIRMLINK c_int :: 102
+F_ADDFILESIGS_INFO c_int :: 103
+F_ADDFILESUPPL c_int :: 104
+F_GETSIGSINFO c_int :: 105
+F_SETLEASE c_int :: 106
+F_GETLEASE c_int :: 107
+F_TRANSFEREXTENTS c_int :: 110
+F_ATTRIBUTION_TAG c_int :: 111
+F_NOCACHE_EXT c_int :: 112
+F_ADDSIGS_MAIN_BINARY c_int :: 113
+FCNTL_FS_SPECIFIC_BASE c_int :: 65536
+F_DUPFD_CLOEXEC c_int :: 67
+FD_CLOEXEC c_int :: 1
+F_RDLCK c_int :: 1
+F_UNLCK c_int :: 2
+F_WRLCK c_int :: 3
+S_IFMT c_int :: 61440
+S_IFIFO c_int :: 4096
+S_IFCHR c_int :: 8192
+S_IFDIR c_int :: 16384
+S_IFBLK c_int :: 24576
+S_IFREG c_int :: 32768
+S_IFLNK c_int :: 40960
+S_IFSOCK c_int :: 49152
+S_IFWHT c_int :: 57344
+S_IRWXU c_int :: 448
+S_IRUSR c_int :: 256
+S_IWUSR c_int :: 128
+S_IXUSR c_int :: 64
+S_IRWXG c_int :: 56
+S_IRGRP c_int :: 32
+S_IWGRP c_int :: 16
+S_IXGRP c_int :: 8
+S_IRWXO c_int :: 7
+S_IROTH c_int :: 4
+S_IWOTH c_int :: 2
+S_IXOTH c_int :: 1
+S_ISUID c_int :: 2048
+S_ISGID c_int :: 1024
+S_ISVTX c_int :: 512
+F_ALLOCATECONTIG c_int :: 2
+F_ALLOCATEALL c_int :: 4
+F_ALLOCATEPERSIST c_int :: 8
+F_PEOFPOSMODE c_int :: 3
+F_VOLPOSMODE c_int :: 4
+USER_FSIGNATURES_CDHASH_LEN c_int :: 20
+GETSIGSINFO_PLATFORM_BINARY c_int :: 1
+LOCK_SH c_int :: 1
+LOCK_EX c_int :: 2
+LOCK_NB c_int :: 4
+LOCK_UN c_int :: 8
+ATTRIBUTION_NAME_MAX c_int :: 255
+F_CREATE_TAG c_int :: 1
+F_DELETE_TAG c_int :: 2
+F_QUERY_TAG c_int :: 4
+O_POPUP c_uint :: 2147483648
+O_ALERT c_int :: 536870912
+FILESEC_OWNER c_uint :: 1
+FILESEC_GROUP c_uint :: 2
+FILESEC_UUID c_uint :: 3
+FILESEC_MODE c_uint :: 4
+FILESEC_ACL c_uint :: 5
+FILESEC_GRPUUID c_uint :: 6
+FILESEC_ACL_RAW c_uint :: 100
+FILESEC_ACL_ALLOCSIZE c_uint :: 101
+
+open c_func(_ ?*c_char, _ c_int, ...) c_int
+openat c_func(_ c_int, _ ?*c_char, _ c_int, ...) c_int
+creat c_func(_ ?*c_char, _ c_ushort) c_int
+fcntl c_func(_ c_int, _ c_int, ...) c_int
+openx_np c_func(_ ?*c_char, _ c_int, _ ?*mut _filesec) c_int
+open_dprotected_np c_func(_ ?*c_char, _ c_int, _ c_int, _ c_int, ...) c_int
+openat_dprotected_np c_func(_ c_int, _ ?*c_char, _ c_int, _ c_int, _ c_int, ...) c_int
+openat_authenticated_np c_func(_ c_int, _ ?*c_char, _ c_int, _ c_int) c_int
+flock c_func(_ c_int, _ c_int) c_int
+filesec_init c_func() ?*mut _filesec
+filesec_dup c_func(_ ?*mut _filesec) ?*mut _filesec
+filesec_free c_func(_ ?*mut _filesec) void
+filesec_get_property c_func(_ ?*mut _filesec, _ c_uint, _ ?*mut anyopaque) c_int
+filesec_query_property c_func(_ ?*mut _filesec, _ c_uint, _ ?*mut c_int) c_int
+filesec_set_property c_func(_ ?*mut _filesec, _ c_uint, _ ?*anyopaque) c_int
+filesec_unset_property c_func(_ ?*mut _filesec, _ c_uint) c_int
+
+# unsupported in bindings: _SYS_FCNTL_H_ — C macro has no replacement value
+# unsupported in bindings: _SYS__TYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _CDEFS_H_ — C macro has no replacement value
+# unsupported in bindings: _BSD_MACHINE__TYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _BSD_ARM__TYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _SYS__PTHREAD_TYPES_H_ — C macro has no replacement value
+# unsupported in bindings: MAC_OS_X_VERSION_10_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_7 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_8 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_9 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_10 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_10_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_10_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_11 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_11_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_11_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_11_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_12 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_12_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_12_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_12_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_13 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_13_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_13_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_13_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_14 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_14_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_14_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_14_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_14_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_15 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_15_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_15_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_16 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_7 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_7 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_7 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_16_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_26_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_26_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_26_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_26_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_26_4 — C macro is not a supported constant
+# unsupported in bindings: _SIZE_T — C macro has no replacement value
+# unsupported in bindings: _MODE_T — C macro has no replacement value
+# unsupported in bindings: _OFF_T — C macro has no replacement value
+# unsupported in bindings: _PID_T — C macro has no replacement value
+# unsupported in bindings: O_FSYNC — C macro is not a supported constant
+# unsupported in bindings: O_SEARCH — C macro is not a supported constant
+# unsupported in bindings: FAPPEND — C macro is not a supported constant
+# unsupported in bindings: FASYNC — C macro is not a supported constant
+# unsupported in bindings: FFSYNC — C macro is not a supported constant
+# unsupported in bindings: FFDSYNC — C macro is not a supported constant
+# unsupported in bindings: FNONBLOCK — C macro is not a supported constant
+# unsupported in bindings: FNDELAY — C macro is not a supported constant
+# unsupported in bindings: O_NDELAY — C macro is not a supported constant
+# unsupported in bindings: CPF_MASK — C macro is not a supported constant
+# unsupported in bindings: F_SETLEASE_ARG — C function-like macros are not supported
+# unsupported in bindings: _SEEK_SET_H_ — C macro has no replacement value
+# unsupported in bindings: S_ISTXT — C macro is not a supported constant
+# unsupported in bindings: S_IREAD — C macro is not a supported constant
+# unsupported in bindings: S_IWRITE — C macro is not a supported constant
+# unsupported in bindings: S_IEXEC — C macro is not a supported constant
+# unsupported in bindings: _STRUCT_TIMESPEC — C macro is not a supported constant
+# unsupported in bindings: _BSD_MACHINE_TYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _ARM_MACHTYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _MACHTYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _INT8_T — C macro has no replacement value
+# unsupported in bindings: _INT16_T — C macro has no replacement value
+# unsupported in bindings: _INT32_T — C macro has no replacement value
+# unsupported in bindings: _INT64_T — C macro has no replacement value
+# unsupported in bindings: _U_INT8_T — C macro has no replacement value
+# unsupported in bindings: _U_INT16_T — C macro has no replacement value
+# unsupported in bindings: _U_INT32_T — C macro has no replacement value
+# unsupported in bindings: _U_INT64_T — C macro has no replacement value
+# unsupported in bindings: _INTPTR_T — C macro has no replacement value
+# unsupported in bindings: _UINTPTR_T — C macro has no replacement value
+# unsupported in bindings: USER_ADDR_NULL — C macro is not a supported constant
+# unsupported in bindings: CAST_USER_ADDR_T — C function-like macros are not supported
+# unsupported in bindings: _FILESEC_T — C macro has no replacement value
+# unsupported in bindings: FILESEC_GUID — C macro is not a supported constant
+# unsupported in bindings: _FILESEC_UNSET_PROPERTY — C macro is not a supported constant
+# unsupported in bindings: _FILESEC_REMOVE_ACL — C macro is not a supported constant

ffi/c/posix.hon

@@ -1,3 +0,0 @@
-read c_func(_ c_int, _ ?*mut anyopaque, _ c_ulong) c_long
-write c_func(_ c_int, _ ?*anyopaque, _ c_ulong) c_long
-__error c_func() *mut c_int

ffi/c/stdio.hon

@@ -1,6 +1,7 @@
 # generated by brolang translate-c from stdio.h
 
 # unsupported in bindings: C union '__mbstate_t' has no native spelling
+__mbstate_t :: opaque
 __darwin_pthread_handler_rec :: c_struct {
 	__routine ?*c_func(_ ?*mut anyopaque) void
 	__arg ?*mut anyopaque
@@ -82,7 +83,8 @@ __uint64_t :: alias c_ulonglong
 __darwin_intptr_t :: alias c_long
 __darwin_natural_t :: alias c_uint
 __darwin_ct_rune_t :: alias c_int
-__darwin_mbstate_t :: alias __mbstate_t
+# unsupported in bindings: typedef '__mbstate_t' — underlying type has no native spelling
+# unsupported in bindings: typedef '__darwin_mbstate_t' — underlying type has no native spelling
 __darwin_ptrdiff_t :: alias c_long
 __darwin_size_t :: alias c_ulong
 __darwin_va_list :: alias ?*mut c_char
@@ -148,6 +150,7 @@ syscall_arg_t :: alias c_ulonglong
 va_list :: alias ?*mut c_char
 size_t :: alias c_ulong
 fpos_t :: alias c_longlong
+# unsupported in bindings: typedef '__sFILEX' — underlying type has no native spelling
 FILE :: alias __sFILE
 off_t :: alias c_longlong
 ssize_t :: alias c_long

ffi/c/unistd.hon

@@ -0,0 +1,661 @@
+# generated by brolang translate-c from unistd.h
+
+# unsupported in bindings: C union '__mbstate_t' has no native spelling
+accessx_descriptor :: c_struct {
+	ad_name_offset c_uint
+	ad_flags c_int
+	ad_pad [2]c_int
+}
+fd_set :: c_struct {
+	fds_bits [32]c_int
+}
+timespec :: c_struct {
+	tv_sec c_long
+	tv_nsec c_long
+}
+fssearchblock :: opaque
+searchstate :: opaque
+
+# unsupported in bindings: typedef '__mbstate_t' — underlying type has no native spelling
+# unsupported in bindings: typedef '__darwin_mbstate_t' — underlying type has no native spelling
+gid_t :: alias c_uint
+useconds_t :: alias c_uint
+time_t :: alias c_long
+suseconds_t :: alias c_int
+uuid_t :: alias [16]c_uchar
+# unsupported in bindings: typedef 'fssearchblock' — underlying type has no native spelling
+# unsupported in bindings: typedef 'searchstate' — underlying type has no native spelling
+
+_POSIX_VERSION c_long :: 200112
+_POSIX2_VERSION c_long :: 200112
+_POSIX_THREAD_KEYS_MAX c_int :: 128
+F_OK c_int :: 0
+ACCESSX_MAX_DESCRIPTORS c_int :: 100
+_PC_LINK_MAX c_int :: 1
+_PC_MAX_CANON c_int :: 2
+_PC_MAX_INPUT c_int :: 3
+_PC_NAME_MAX c_int :: 4
+_PC_PATH_MAX c_int :: 5
+_PC_PIPE_BUF c_int :: 6
+_PC_CHOWN_RESTRICTED c_int :: 7
+_PC_NO_TRUNC c_int :: 8
+_PC_VDISABLE c_int :: 9
+_PC_NAME_CHARS_MAX c_int :: 10
+_PC_CASE_SENSITIVE c_int :: 11
+_PC_CASE_PRESERVING c_int :: 12
+_PC_EXTENDED_SECURITY_NP c_int :: 13
+_PC_AUTH_OPAQUE_NP c_int :: 14
+_PC_2_SYMLINKS c_int :: 15
+_PC_ALLOC_SIZE_MIN c_int :: 16
+_PC_ASYNC_IO c_int :: 17
+_PC_FILESIZEBITS c_int :: 18
+_PC_PRIO_IO c_int :: 19
+_PC_REC_INCR_XFER_SIZE c_int :: 20
+_PC_REC_MAX_XFER_SIZE c_int :: 21
+_PC_REC_MIN_XFER_SIZE c_int :: 22
+_PC_REC_XFER_ALIGN c_int :: 23
+_PC_SYMLINK_MAX c_int :: 24
+_PC_SYNC_IO c_int :: 25
+_PC_XATTR_SIZE_BITS c_int :: 26
+_PC_MIN_HOLE_SIZE c_int :: 27
+_CS_PATH c_int :: 1
+STDIN_FILENO c_int :: 0
+STDOUT_FILENO c_int :: 1
+STDERR_FILENO c_int :: 2
+_XOPEN_VERSION c_int :: 600
+_XOPEN_XCU_VERSION c_int :: 4
+_POSIX_CHOWN_RESTRICTED c_long :: 200112
+_POSIX_FSYNC c_long :: 200112
+_POSIX_IPV6 c_long :: 200112
+_POSIX_JOB_CONTROL c_long :: 200112
+_POSIX_MAPPED_FILES c_long :: 200112
+_POSIX_MEMORY_PROTECTION c_long :: 200112
+_POSIX_NO_TRUNC c_long :: 200112
+_POSIX_READER_WRITER_LOCKS c_long :: 200112
+_POSIX_REGEXP c_long :: 200112
+_POSIX_SAVED_IDS c_long :: 200112
+_POSIX_SHELL c_long :: 200112
+_POSIX_SPAWN c_long :: 200112
+_POSIX_THREAD_ATTR_STACKADDR c_long :: 200112
+_POSIX_THREAD_ATTR_STACKSIZE c_long :: 200112
+_POSIX_THREAD_PROCESS_SHARED c_long :: 200112
+_POSIX_THREAD_SAFE_FUNCTIONS c_long :: 200112
+_POSIX_THREADS c_long :: 200112
+_POSIX2_C_BIND c_long :: 200112
+_POSIX2_C_DEV c_long :: 200112
+_POSIX2_CHAR_TERM c_long :: 200112
+_POSIX2_FORT_RUN c_long :: 200112
+_POSIX2_LOCALEDEF c_long :: 200112
+_POSIX2_SW_DEV c_long :: 200112
+_POSIX2_UPE c_long :: 200112
+_SC_ARG_MAX c_int :: 1
+_SC_CHILD_MAX c_int :: 2
+_SC_CLK_TCK c_int :: 3
+_SC_NGROUPS_MAX c_int :: 4
+_SC_OPEN_MAX c_int :: 5
+_SC_JOB_CONTROL c_int :: 6
+_SC_SAVED_IDS c_int :: 7
+_SC_VERSION c_int :: 8
+_SC_BC_BASE_MAX c_int :: 9
+_SC_BC_DIM_MAX c_int :: 10
+_SC_BC_SCALE_MAX c_int :: 11
+_SC_BC_STRING_MAX c_int :: 12
+_SC_COLL_WEIGHTS_MAX c_int :: 13
+_SC_EXPR_NEST_MAX c_int :: 14
+_SC_LINE_MAX c_int :: 15
+_SC_RE_DUP_MAX c_int :: 16
+_SC_2_VERSION c_int :: 17
+_SC_2_C_BIND c_int :: 18
+_SC_2_C_DEV c_int :: 19
+_SC_2_CHAR_TERM c_int :: 20
+_SC_2_FORT_DEV c_int :: 21
+_SC_2_FORT_RUN c_int :: 22
+_SC_2_LOCALEDEF c_int :: 23
+_SC_2_SW_DEV c_int :: 24
+_SC_2_UPE c_int :: 25
+_SC_STREAM_MAX c_int :: 26
+_SC_TZNAME_MAX c_int :: 27
+_SC_ASYNCHRONOUS_IO c_int :: 28
+_SC_PAGESIZE c_int :: 29
+_SC_MEMLOCK c_int :: 30
+_SC_MEMLOCK_RANGE c_int :: 31
+_SC_MEMORY_PROTECTION c_int :: 32
+_SC_MESSAGE_PASSING c_int :: 33
+_SC_PRIORITIZED_IO c_int :: 34
+_SC_PRIORITY_SCHEDULING c_int :: 35
+_SC_REALTIME_SIGNALS c_int :: 36
+_SC_SEMAPHORES c_int :: 37
+_SC_FSYNC c_int :: 38
+_SC_SHARED_MEMORY_OBJECTS c_int :: 39
+_SC_SYNCHRONIZED_IO c_int :: 40
+_SC_TIMERS c_int :: 41
+_SC_AIO_LISTIO_MAX c_int :: 42
+_SC_AIO_MAX c_int :: 43
+_SC_AIO_PRIO_DELTA_MAX c_int :: 44
+_SC_DELAYTIMER_MAX c_int :: 45
+_SC_MQ_OPEN_MAX c_int :: 46
+_SC_MAPPED_FILES c_int :: 47
+_SC_RTSIG_MAX c_int :: 48
+_SC_SEM_NSEMS_MAX c_int :: 49
+_SC_SEM_VALUE_MAX c_int :: 50
+_SC_SIGQUEUE_MAX c_int :: 51
+_SC_TIMER_MAX c_int :: 52
+_SC_NPROCESSORS_CONF c_int :: 57
+_SC_NPROCESSORS_ONLN c_int :: 58
+_SC_2_PBS c_int :: 59
+_SC_2_PBS_ACCOUNTING c_int :: 60
+_SC_2_PBS_CHECKPOINT c_int :: 61
+_SC_2_PBS_LOCATE c_int :: 62
+_SC_2_PBS_MESSAGE c_int :: 63
+_SC_2_PBS_TRACK c_int :: 64
+_SC_ADVISORY_INFO c_int :: 65
+_SC_BARRIERS c_int :: 66
+_SC_CLOCK_SELECTION c_int :: 67
+_SC_CPUTIME c_int :: 68
+_SC_FILE_LOCKING c_int :: 69
+_SC_GETGR_R_SIZE_MAX c_int :: 70
+_SC_GETPW_R_SIZE_MAX c_int :: 71
+_SC_HOST_NAME_MAX c_int :: 72
+_SC_LOGIN_NAME_MAX c_int :: 73
+_SC_MONOTONIC_CLOCK c_int :: 74
+_SC_MQ_PRIO_MAX c_int :: 75
+_SC_READER_WRITER_LOCKS c_int :: 76
+_SC_REGEXP c_int :: 77
+_SC_SHELL c_int :: 78
+_SC_SPAWN c_int :: 79
+_SC_SPIN_LOCKS c_int :: 80
+_SC_SPORADIC_SERVER c_int :: 81
+_SC_THREAD_ATTR_STACKADDR c_int :: 82
+_SC_THREAD_ATTR_STACKSIZE c_int :: 83
+_SC_THREAD_CPUTIME c_int :: 84
+_SC_THREAD_DESTRUCTOR_ITERATIONS c_int :: 85
+_SC_THREAD_KEYS_MAX c_int :: 86
+_SC_THREAD_PRIO_INHERIT c_int :: 87
+_SC_THREAD_PRIO_PROTECT c_int :: 88
+_SC_THREAD_PRIORITY_SCHEDULING c_int :: 89
+_SC_THREAD_PROCESS_SHARED c_int :: 90
+_SC_THREAD_SAFE_FUNCTIONS c_int :: 91
+_SC_THREAD_SPORADIC_SERVER c_int :: 92
+_SC_THREAD_STACK_MIN c_int :: 93
+_SC_THREAD_THREADS_MAX c_int :: 94
+_SC_TIMEOUTS c_int :: 95
+_SC_THREADS c_int :: 96
+_SC_TRACE c_int :: 97
+_SC_TRACE_EVENT_FILTER c_int :: 98
+_SC_TRACE_INHERIT c_int :: 99
+_SC_TRACE_LOG c_int :: 100
+_SC_TTY_NAME_MAX c_int :: 101
+_SC_TYPED_MEMORY_OBJECTS c_int :: 102
+_SC_V6_ILP32_OFF32 c_int :: 103
+_SC_V6_ILP32_OFFBIG c_int :: 104
+_SC_V6_LP64_OFF64 c_int :: 105
+_SC_V6_LPBIG_OFFBIG c_int :: 106
+_SC_IPV6 c_int :: 118
+_SC_RAW_SOCKETS c_int :: 119
+_SC_SYMLOOP_MAX c_int :: 120
+_SC_ATEXIT_MAX c_int :: 107
+_SC_IOV_MAX c_int :: 56
+_SC_XOPEN_CRYPT c_int :: 108
+_SC_XOPEN_ENH_I18N c_int :: 109
+_SC_XOPEN_LEGACY c_int :: 110
+_SC_XOPEN_REALTIME c_int :: 111
+_SC_XOPEN_REALTIME_THREADS c_int :: 112
+_SC_XOPEN_SHM c_int :: 113
+_SC_XOPEN_STREAMS c_int :: 114
+_SC_XOPEN_UNIX c_int :: 115
+_SC_XOPEN_VERSION c_int :: 116
+_SC_XOPEN_XCU_VERSION c_int :: 121
+_SC_XBS5_ILP32_OFF32 c_int :: 122
+_SC_XBS5_ILP32_OFFBIG c_int :: 123
+_SC_XBS5_LP64_OFF64 c_int :: 124
+_SC_XBS5_LPBIG_OFFBIG c_int :: 125
+_SC_SS_REPL_MAX c_int :: 126
+_SC_TRACE_EVENT_NAME_MAX c_int :: 127
+_SC_TRACE_NAME_MAX c_int :: 128
+_SC_TRACE_SYS_MAX c_int :: 129
+_SC_TRACE_USER_EVENT_MAX c_int :: 130
+_SC_PASS_MAX c_int :: 131
+_SC_PHYS_PAGES c_int :: 200
+_CS_POSIX_V6_ILP32_OFF32_CFLAGS c_int :: 2
+_CS_POSIX_V6_ILP32_OFF32_LDFLAGS c_int :: 3
+_CS_POSIX_V6_ILP32_OFF32_LIBS c_int :: 4
+_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS c_int :: 5
+_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS c_int :: 6
+_CS_POSIX_V6_ILP32_OFFBIG_LIBS c_int :: 7
+_CS_POSIX_V6_LP64_OFF64_CFLAGS c_int :: 8
+_CS_POSIX_V6_LP64_OFF64_LDFLAGS c_int :: 9
+_CS_POSIX_V6_LP64_OFF64_LIBS c_int :: 10
+_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS c_int :: 11
+_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS c_int :: 12
+_CS_POSIX_V6_LPBIG_OFFBIG_LIBS c_int :: 13
+_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS c_int :: 14
+_CS_XBS5_ILP32_OFF32_CFLAGS c_int :: 20
+_CS_XBS5_ILP32_OFF32_LDFLAGS c_int :: 21
+_CS_XBS5_ILP32_OFF32_LIBS c_int :: 22
+_CS_XBS5_ILP32_OFF32_LINTFLAGS c_int :: 23
+_CS_XBS5_ILP32_OFFBIG_CFLAGS c_int :: 24
+_CS_XBS5_ILP32_OFFBIG_LDFLAGS c_int :: 25
+_CS_XBS5_ILP32_OFFBIG_LIBS c_int :: 26
+_CS_XBS5_ILP32_OFFBIG_LINTFLAGS c_int :: 27
+_CS_XBS5_LP64_OFF64_CFLAGS c_int :: 28
+_CS_XBS5_LP64_OFF64_LDFLAGS c_int :: 29
+_CS_XBS5_LP64_OFF64_LIBS c_int :: 30
+_CS_XBS5_LP64_OFF64_LINTFLAGS c_int :: 31
+_CS_XBS5_LPBIG_OFFBIG_CFLAGS c_int :: 32
+_CS_XBS5_LPBIG_OFFBIG_LDFLAGS c_int :: 33
+_CS_XBS5_LPBIG_OFFBIG_LIBS c_int :: 34
+_CS_XBS5_LPBIG_OFFBIG_LINTFLAGS c_int :: 35
+_CS_DARWIN_USER_DIR c_int :: 65536
+_CS_DARWIN_USER_TEMP_DIR c_int :: 65537
+_CS_DARWIN_USER_CACHE_DIR c_int :: 65538
+F_ULOCK c_int :: 0
+F_LOCK c_int :: 1
+F_TLOCK c_int :: 2
+F_TEST c_int :: 3
+SYNC_VOLUME_FULLSYNC c_int :: 1
+SYNC_VOLUME_WAIT c_int :: 2
+
+getattrlistbulk c_func(_ c_int, _ ?*mut anyopaque, _ ?*mut anyopaque, _ c_ulong, _ c_ulonglong) c_int
+getattrlistat c_func(_ c_int, _ ?*c_char, _ ?*mut anyopaque, _ ?*mut anyopaque, _ c_ulong, _ c_ulong) c_int
+setattrlistat c_func(_ c_int, _ ?*c_char, _ ?*mut anyopaque, _ ?*mut anyopaque, _ c_ulong, _ c_uint) c_int
+freadlink c_func(_ c_int, _ ?*mut c_char, _ c_ulong) c_long
+faccessat c_func(_ c_int, _ ?*c_char, _ c_int, _ c_int) c_int
+fchownat c_func(_ c_int, _ ?*c_char, _ c_uint, _ c_uint, _ c_int) c_int
+linkat c_func(_ c_int, _ ?*c_char, _ c_int, _ ?*c_char, _ c_int) c_int
+readlinkat c_func(_ c_int, _ ?*c_char, _ ?*mut c_char, _ c_ulong) c_long
+symlinkat c_func(_ ?*c_char, _ c_int, _ ?*c_char) c_int
+unlinkat c_func(_ c_int, _ ?*c_char, _ c_int) c_int
+_exit c_func(_ c_int) void
+access c_func(_ ?*c_char, _ c_int) c_int
+alarm c_func(_ c_uint) c_uint
+chdir c_func(_ ?*c_char) c_int
+chown c_func(_ ?*c_char, _ c_uint, _ c_uint) c_int
+close c_func(_ c_int) c_int
+dup c_func(_ c_int) c_int
+dup2 c_func(_ c_int, _ c_int) c_int
+execl c_func(__path ?*c_char, __arg0 ?*c_char, ...) c_int
+execle c_func(__path ?*c_char, __arg0 ?*c_char, ...) c_int
+execlp c_func(__file ?*c_char, __arg0 ?*c_char, ...) c_int
+execv c_func(__path ?*c_char, __argv ?*?*mut c_char) c_int
+execve c_func(__file ?*c_char, __argv ?*?*mut c_char, __envp ?*?*mut c_char) c_int
+execvp c_func(__file ?*c_char, __argv ?*?*mut c_char) c_int
+fork c_func() c_int
+fpathconf c_func(_ c_int, _ c_int) c_long
+getcwd c_func(_ ?*mut c_char, __size c_ulong) ?*mut c_char
+getegid c_func() c_uint
+geteuid c_func() c_uint
+getgid c_func() c_uint
+getgroups c_func(__gidsetsize c_int, _ ?*mut c_uint) c_int
+getlogin c_func() ?*mut c_char
+getpgrp c_func() c_int
+getpid c_func() c_int
+getppid c_func() c_int
+getuid c_func() c_uint
+isatty c_func(_ c_int) c_int
+link c_func(_ ?*c_char, _ ?*c_char) c_int
+lseek c_func(_ c_int, _ c_longlong, _ c_int) c_longlong
+pathconf c_func(_ ?*c_char, _ c_int) c_long
+pause c_func() c_int
+pipe c_func(_ ?*mut c_int) c_int
+read c_func(_ c_int, _ ?*mut anyopaque, __nbyte c_ulong) c_long
+rmdir c_func(_ ?*c_char) c_int
+setgid c_func(_ c_uint) c_int
+setpgid c_func(_ c_int, _ c_int) c_int
+setsid c_func() c_int
+setuid c_func(_ c_uint) c_int
+sleep c_func(_ c_uint) c_uint
+sysconf c_func(_ c_int) c_long
+tcgetpgrp c_func(_ c_int) c_int
+tcsetpgrp c_func(_ c_int, _ c_int) c_int
+ttyname c_func(_ c_int) ?*mut c_char
+ttyname_r c_func(_ c_int, _ ?*mut c_char, __len c_ulong) c_int
+unlink c_func(_ ?*c_char) c_int
+write c_func(__fd c_int, __buf ?*anyopaque, __nbyte c_ulong) c_long
+confstr c_func(_ c_int, _ ?*mut c_char, __len c_ulong) c_ulong
+getopt c_func(__argc c_int, _ ?*?*mut c_char, _ ?*c_char) c_int
+brk c_func(_ ?*anyopaque) ?*mut anyopaque
+chroot c_func(_ ?*c_char) c_int
+crypt c_func(_ ?*c_char, _ ?*c_char) ?*mut c_char
+encrypt c_func(_ ?*mut c_char, _ c_int) void
+fchdir c_func(_ c_int) c_int
+gethostid c_func() c_long
+getpgid c_func(_ c_int) c_int
+getsid c_func(_ c_int) c_int
+getdtablesize c_func() c_int
+getpagesize c_func() c_int
+getpass c_func(_ ?*c_char) ?*mut c_char
+getwd c_func(_ ?*mut c_char) ?*mut c_char
+lchown c_func(_ ?*c_char, _ c_uint, _ c_uint) c_int
+lockf c_func(_ c_int, _ c_int, _ c_longlong) c_int
+nice c_func(_ c_int) c_int
+pread c_func(__fd c_int, __buf ?*mut anyopaque, __nbyte c_ulong, __offset c_longlong) c_long
+pwrite c_func(__fd c_int, __buf ?*anyopaque, __nbyte c_ulong, __offset c_longlong) c_long
+sbrk c_func(_ c_int) ?*mut anyopaque
+setpgrp c_func() c_int
+setregid c_func(_ c_uint, _ c_uint) c_int
+setreuid c_func(_ c_uint, _ c_uint) c_int
+swab c_func(_ ?*anyopaque, _ ?*mut anyopaque, __nbytes c_long) void
+sync c_func() void
+truncate c_func(_ ?*c_char, _ c_longlong) c_int
+ualarm c_func(_ c_uint, _ c_uint) c_uint
+usleep c_func(_ c_uint) c_int
+vfork c_func() c_int
+fsync c_func(_ c_int) c_int
+ftruncate c_func(_ c_int, _ c_longlong) c_int
+getlogin_r c_func(_ ?*mut c_char, __namelen c_ulong) c_int
+fchown c_func(_ c_int, _ c_uint, _ c_uint) c_int
+gethostname c_func(_ ?*mut c_char, __namelen c_ulong) c_int
+readlink c_func(_ ?*c_char, _ ?*mut c_char, __bufsize c_ulong) c_long
+setegid c_func(_ c_uint) c_int
+seteuid c_func(_ c_uint) c_int
+symlink c_func(_ ?*c_char, _ ?*c_char) c_int
+__darwin_check_fd_set_overflow c_func(_ c_int, _ ?*anyopaque, _ c_int) c_int
+__darwin_check_fd_set c_func(_a c_int, _b ?*anyopaque) c_int
+__darwin_fd_isset c_func(_fd c_int, _p ?*fd_set) c_int
+__darwin_fd_set c_func(_fd c_int, _p ?*mut fd_set) void
+__darwin_fd_clr c_func(_fd c_int, _p ?*mut fd_set) void
+pselect c_func(_ c_int, _ ?*mut fd_set, _ ?*mut fd_set, _ ?*mut fd_set, _ ?*timespec, _ ?*c_uint) c_int
+select c_func(_ c_int, _ ?*mut fd_set, _ ?*mut fd_set, _ ?*mut fd_set, _ ?*mut timeval) c_int
+accessx_np c_func(_ ?*accessx_descriptor, __sz c_ulong, _ ?*mut c_int, _ c_uint) c_int
+acct c_func(_ ?*c_char) c_int
+add_profil c_func(_ ?*mut c_char, __bufsiz c_ulong, _ c_ulong, _ c_uint) c_int
+endusershell c_func() void
+execvP c_func(__file ?*c_char, __searchpath ?*c_char, __argv ?*?*mut c_char) c_int
+fflagstostr c_func(_ c_ulong) ?*mut c_char
+getdomainname c_func(_ ?*mut c_char, __namelen c_int) c_int
+getgrouplist c_func(_ ?*c_char, _ c_int, _ ?*mut c_int, __ngroups ?*mut c_int) c_int
+gethostuuid c_func(_ ?*mut c_uchar, _ ?*timespec) c_int
+getmode c_func(_ ?*anyopaque, _ c_ushort) c_ushort
+getpeereid c_func(_ c_int, _ ?*mut c_uint, _ ?*mut c_uint) c_int
+getsgroups_np c_func(_ ?*mut c_int, _ ?*mut c_uchar) c_int
+getusershell c_func() ?*mut c_char
+getwgroups_np c_func(_ ?*mut c_int, _ ?*mut c_uchar) c_int
+initgroups c_func(_ ?*c_char, _ c_int) c_int
+issetugid c_func() c_int
+mkdtemp c_func(_ ?*mut c_char) ?*mut c_char
+mknod c_func(_ ?*c_char, _ c_ushort, _ c_int) c_int
+mkpath_np c_func(path ?*c_char, omode c_ushort) c_int
+mkpathat_np c_func(dfd c_int, path ?*c_char, omode c_ushort) c_int
+mkstemps c_func(_ ?*mut c_char, _ c_int) c_int
+mkostemp c_func(path ?*mut c_char, oflags c_int) c_int
+mkostemps c_func(path ?*mut c_char, slen c_int, oflags c_int) c_int
+mkstemp_dprotected_np c_func(path ?*mut c_char, dpclass c_int, dpflags c_int) c_int
+mkdtempat_np c_func(dfd c_int, path ?*mut c_char) ?*mut c_char
+mkstempsat_np c_func(dfd c_int, path ?*mut c_char, slen c_int) c_int
+mkostempsat_np c_func(dfd c_int, path ?*mut c_char, slen c_int, oflags c_int) c_int
+nfssvc c_func(_ c_int, _ ?*mut anyopaque) c_int
+profil c_func(_ ?*mut c_char, __bufsiz c_ulong, _ c_ulong, _ c_uint) c_int
+pthread_setugid_np c_func(_ c_uint, _ c_uint) c_int
+pthread_getugid_np c_func(_ ?*mut c_uint, _ ?*mut c_uint) c_int
+reboot c_func(_ c_int) c_int
+revoke c_func(_ ?*c_char) c_int
+rcmd c_func(_ ?*mut ?*mut c_char, _ c_int, _ ?*c_char, _ ?*c_char, _ ?*c_char, _ ?*mut c_int) c_int
+rcmd_af c_func(_ ?*mut ?*mut c_char, _ c_int, _ ?*c_char, _ ?*c_char, _ ?*c_char, _ ?*mut c_int, _ c_int) c_int
+rresvport c_func(_ ?*mut c_int) c_int
+rresvport_af c_func(_ ?*mut c_int, _ c_int) c_int
+iruserok c_func(_ c_ulong, _ c_int, _ ?*c_char, _ ?*c_char) c_int
+iruserok_sa c_func(_ ?*anyopaque, _ c_int, _ c_int, _ ?*c_char, _ ?*c_char) c_int
+ruserok c_func(_ ?*c_char, _ c_int, _ ?*c_char, _ ?*c_char) c_int
+setdomainname c_func(_ ?*c_char, __namelen c_int) c_int
+setgroups c_func(_ c_int, _ ?*c_uint) c_int
+sethostid c_func(_ c_long) void
+sethostname c_func(_ ?*c_char, __namelen c_int) c_int
+setlogin c_func(_ ?*c_char) c_int
+setmode c_func(_ ?*c_char) ?*mut anyopaque
+setrgid c_func(_ c_uint) c_int
+setruid c_func(_ c_uint) c_int
+setsgroups_np c_func(_ c_int, _ ?*mut c_uchar) c_int
+setusershell c_func() void
+setwgroups_np c_func(_ c_int, _ ?*mut c_uchar) c_int
+strtofflags c_func(_ ?*mut ?*mut c_char, _ ?*mut c_ulong, _ ?*mut c_ulong) c_int
+swapon c_func(_ ?*c_char) c_int
+ttyslot c_func() c_int
+undelete c_func(_ ?*c_char) c_int
+unwhiteout c_func(_ ?*c_char) c_int
+syscall c_func(_ c_int, ...) c_int
+fgetattrlist c_func(_ c_int, _ ?*mut anyopaque, _ ?*mut anyopaque, __attrBufSize c_ulong, _ c_uint) c_int
+fsetattrlist c_func(_ c_int, _ ?*mut anyopaque, _ ?*mut anyopaque, __attrBufSize c_ulong, _ c_uint) c_int
+getattrlist c_func(_ ?*c_char, _ ?*mut anyopaque, _ ?*mut anyopaque, __attrBufSize c_ulong, _ c_uint) c_int
+setattrlist c_func(_ ?*c_char, _ ?*mut anyopaque, _ ?*mut anyopaque, __attrBufSize c_ulong, _ c_uint) c_int
+exchangedata c_func(_ ?*c_char, _ ?*c_char, _ c_uint) c_int
+getdirentriesattr c_func(_ c_int, _ ?*mut anyopaque, _ ?*mut anyopaque, __attrBufSize c_ulong, _ ?*mut c_uint, _ ?*mut c_uint, _ ?*mut c_uint, _ c_uint) c_int
+searchfs c_func(_ ?*c_char, _ ?*mut fssearchblock, _ ?*mut c_ulong, _ c_uint, _ c_uint, _ ?*mut searchstate) c_int
+fsctl c_func(_ ?*c_char, _ c_ulong, _ ?*mut anyopaque, _ c_uint) c_int
+ffsctl c_func(_ c_int, _ c_ulong, _ ?*mut anyopaque, _ c_uint) c_int
+fsync_volume_np c_func(_ c_int, _ c_int) c_int
+sync_volume_np c_func(_ ?*c_char, _ c_int) c_int
+
+# unsupported in bindings: external variable 'optarg' has no native spelling
+# unsupported in bindings: external variable 'optind' has no native spelling
+# unsupported in bindings: external variable 'opterr' has no native spelling
+# unsupported in bindings: external variable 'optopt' has no native spelling
+# unsupported in bindings: external variable 'suboptarg' has no native spelling
+# unsupported in bindings: external variable 'optreset' has no native spelling
+# unsupported in bindings: _UNISTD_H_ — C macro has no replacement value
+# unsupported in bindings: _LIBC_BOUNDS_H_ — C macro has no replacement value
+# unsupported in bindings: _CDEFS_H_ — C macro has no replacement value
+# unsupported in bindings: _LIBC_COUNT — C function-like macros are not supported
+# unsupported in bindings: _LIBC_COUNT_OR_NULL — C function-like macros are not supported
+# unsupported in bindings: _LIBC_SIZE — C function-like macros are not supported
+# unsupported in bindings: _LIBC_SIZE_OR_NULL — C function-like macros are not supported
+# unsupported in bindings: _LIBC_ENDED_BY — C function-like macros are not supported
+# unsupported in bindings: _LIBC_SINGLE — C macro has no replacement value
+# unsupported in bindings: _LIBC_UNSAFE_INDEXABLE — C macro has no replacement value
+# unsupported in bindings: _LIBC_CSTR — C macro has no replacement value
+# unsupported in bindings: _LIBC_NULL_TERMINATED — C macro has no replacement value
+# unsupported in bindings: _LIBC_FLEX_COUNT — C function-like macros are not supported
+# unsupported in bindings: _LIBC_SINGLE_BY_DEFAULT — C function-like macros are not supported
+# unsupported in bindings: _LIBC_PTRCHECK_REPLACED — C function-like macros are not supported
+# unsupported in bindings: _LIBC_FORGE_PTR — C function-like macros are not supported
+# unsupported in bindings: _SYS__TYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _BSD_MACHINE__TYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _BSD_ARM__TYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _SYS__PTHREAD_TYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _SYS_UNISTD_H_ — C macro has no replacement value
+# unsupported in bindings: _POSIX_VDISABLE — C macro is not a supported constant
+# unsupported in bindings: X_OK — C macro is not a supported constant
+# unsupported in bindings: W_OK — C macro is not a supported constant
+# unsupported in bindings: R_OK — C macro is not a supported constant
+# unsupported in bindings: _READ_OK — C macro is not a supported constant
+# unsupported in bindings: _WRITE_OK — C macro is not a supported constant
+# unsupported in bindings: _EXECUTE_OK — C macro is not a supported constant
+# unsupported in bindings: _DELETE_OK — C macro is not a supported constant
+# unsupported in bindings: _APPEND_OK — C macro is not a supported constant
+# unsupported in bindings: _RMFILE_OK — C macro is not a supported constant
+# unsupported in bindings: _RATTR_OK — C macro is not a supported constant
+# unsupported in bindings: _WATTR_OK — C macro is not a supported constant
+# unsupported in bindings: _REXT_OK — C macro is not a supported constant
+# unsupported in bindings: _WEXT_OK — C macro is not a supported constant
+# unsupported in bindings: _RPERM_OK — C macro is not a supported constant
+# unsupported in bindings: _WPERM_OK — C macro is not a supported constant
+# unsupported in bindings: _CHOWN_OK — C macro is not a supported constant
+# unsupported in bindings: _ACCESS_EXTENDED_MASK — C macro is not a supported constant
+# unsupported in bindings: _SEEK_SET_H_ — C macro has no replacement value
+# unsupported in bindings: L_SET — C macro is not a supported constant
+# unsupported in bindings: L_INCR — C macro is not a supported constant
+# unsupported in bindings: L_XTND — C macro is not a supported constant
+# unsupported in bindings: ACCESSX_MAX_TABLESIZE — C macro is not a supported constant
+# unsupported in bindings: _SIZE_T — C macro has no replacement value
+# unsupported in bindings: _SSIZE_T — C macro has no replacement value
+# unsupported in bindings: _BSD_MACHINE_TYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _ARM_MACHTYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _MACHTYPES_H_ — C macro has no replacement value
+# unsupported in bindings: _INT8_T — C macro has no replacement value
+# unsupported in bindings: _INT16_T — C macro has no replacement value
+# unsupported in bindings: _INT32_T — C macro has no replacement value
+# unsupported in bindings: _INT64_T — C macro has no replacement value
+# unsupported in bindings: _U_INT8_T — C macro has no replacement value
+# unsupported in bindings: _U_INT16_T — C macro has no replacement value
+# unsupported in bindings: _U_INT32_T — C macro has no replacement value
+# unsupported in bindings: _U_INT64_T — C macro has no replacement value
+# unsupported in bindings: _INTPTR_T — C macro has no replacement value
+# unsupported in bindings: _UINTPTR_T — C macro has no replacement value
+# unsupported in bindings: USER_ADDR_NULL — C macro is not a supported constant
+# unsupported in bindings: CAST_USER_ADDR_T — C function-like macros are not supported
+# unsupported in bindings: _UINT64_T — C macro has no replacement value
+# unsupported in bindings: _UINT32_T — C macro has no replacement value
+# unsupported in bindings: MAC_OS_X_VERSION_10_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_7 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_8 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_9 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_10 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_10_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_10_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_11 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_11_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_11_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_11_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_12 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_12_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_12_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_12_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_13 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_13_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_13_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_13_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_14 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_14_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_14_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_14_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_14_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_15 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_15_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_15_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_X_VERSION_10_16 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_11_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_12_7 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_13_7 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_14_7 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_4 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_5 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_15_6 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_16_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_26_0 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_26_1 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_26_2 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_26_3 — C macro is not a supported constant
+# unsupported in bindings: MAC_OS_VERSION_26_4 — C macro is not a supported constant
+# unsupported in bindings: _UID_T — C macro has no replacement value
+# unsupported in bindings: _GID_T — C macro has no replacement value
+# unsupported in bindings: _LIBC_COUNT__PATH_MAX — C macro is not a supported constant
+# unsupported in bindings: _OFF_T — C macro has no replacement value
+# unsupported in bindings: _PID_T — C macro has no replacement value
+# unsupported in bindings: _USECONDS_T — C macro has no replacement value
+# unsupported in bindings: NULL — C macro is not a supported constant
+# unsupported in bindings: _POSIX_ADVISORY_INFO — C macro is not a supported constant
+# unsupported in bindings: _POSIX_ASYNCHRONOUS_IO — C macro is not a supported constant
+# unsupported in bindings: _POSIX_BARRIERS — C macro is not a supported constant
+# unsupported in bindings: _POSIX_CLOCK_SELECTION — C macro is not a supported constant
+# unsupported in bindings: _POSIX_CPUTIME — C macro is not a supported constant
+# unsupported in bindings: _POSIX_MEMLOCK — C macro is not a supported constant
+# unsupported in bindings: _POSIX_MEMLOCK_RANGE — C macro is not a supported constant
+# unsupported in bindings: _POSIX_MESSAGE_PASSING — C macro is not a supported constant
+# unsupported in bindings: _POSIX_MONOTONIC_CLOCK — C macro is not a supported constant
+# unsupported in bindings: _POSIX_PRIORITIZED_IO — C macro is not a supported constant
+# unsupported in bindings: _POSIX_PRIORITY_SCHEDULING — C macro is not a supported constant
+# unsupported in bindings: _POSIX_RAW_SOCKETS — C macro is not a supported constant
+# unsupported in bindings: _POSIX_REALTIME_SIGNALS — C macro is not a supported constant
+# unsupported in bindings: _POSIX_SEMAPHORES — C macro is not a supported constant
+# unsupported in bindings: _POSIX_SHARED_MEMORY_OBJECTS — C macro is not a supported constant
+# unsupported in bindings: _POSIX_SPIN_LOCKS — C macro is not a supported constant
+# unsupported in bindings: _POSIX_SPORADIC_SERVER — C macro is not a supported constant
+# unsupported in bindings: _POSIX_SYNCHRONIZED_IO — C macro is not a supported constant
+# unsupported in bindings: _POSIX_THREAD_CPUTIME — C macro is not a supported constant
+# unsupported in bindings: _POSIX_THREAD_PRIO_INHERIT — C macro is not a supported constant
+# unsupported in bindings: _POSIX_THREAD_PRIO_PROTECT — C macro is not a supported constant
+# unsupported in bindings: _POSIX_THREAD_PRIORITY_SCHEDULING — C macro is not a supported constant
+# unsupported in bindings: _POSIX_THREAD_SPORADIC_SERVER — C macro is not a supported constant
+# unsupported in bindings: _POSIX_TIMEOUTS — C macro is not a supported constant
+# unsupported in bindings: _POSIX_TIMERS — C macro is not a supported constant
+# unsupported in bindings: _POSIX_TRACE — C macro is not a supported constant
+# unsupported in bindings: _POSIX_TRACE_EVENT_FILTER — C macro is not a supported constant
+# unsupported in bindings: _POSIX_TRACE_INHERIT — C macro is not a supported constant
+# unsupported in bindings: _POSIX_TRACE_LOG — C macro is not a supported constant
+# unsupported in bindings: _POSIX_TYPED_MEMORY_OBJECTS — C macro is not a supported constant
+# unsupported in bindings: _POSIX2_FORT_DEV — C macro is not a supported constant
+# unsupported in bindings: _POSIX2_PBS — C macro is not a supported constant
+# unsupported in bindings: _POSIX2_PBS_ACCOUNTING — C macro is not a supported constant
+# unsupported in bindings: _POSIX2_PBS_CHECKPOINT — C macro is not a supported constant
+# unsupported in bindings: _POSIX2_PBS_LOCATE — C macro is not a supported constant
+# unsupported in bindings: _POSIX2_PBS_MESSAGE — C macro is not a supported constant
+# unsupported in bindings: _POSIX2_PBS_TRACK — C macro is not a supported constant
+# unsupported in bindings: _POSIX_V6_ILP32_OFF32 — C macro is not a supported constant
+# unsupported in bindings: _POSIX_V6_ILP32_OFFBIG — C macro is not a supported constant
+# unsupported in bindings: _POSIX_V6_LP64_OFF64 — C macro is not a supported constant
+# unsupported in bindings: _POSIX_V6_LPBIG_OFFBIG — C macro is not a supported constant
+# unsupported in bindings: _POSIX_V7_ILP32_OFF32 — C macro is not a supported constant
+# unsupported in bindings: _POSIX_V7_ILP32_OFFBIG — C macro is not a supported constant
+# unsupported in bindings: _POSIX_V7_LP64_OFF64 — C macro is not a supported constant
+# unsupported in bindings: _POSIX_V7_LPBIG_OFFBIG — C macro is not a supported constant
+# unsupported in bindings: _V6_ILP32_OFF32 — C macro is not a supported constant
+# unsupported in bindings: _V6_ILP32_OFFBIG — C macro is not a supported constant
+# unsupported in bindings: _V6_LP64_OFF64 — C macro is not a supported constant
+# unsupported in bindings: _V6_LPBIG_OFFBIG — C macro is not a supported constant
+# unsupported in bindings: _XBS5_ILP32_OFF32 — C macro is not a supported constant
+# unsupported in bindings: _XBS5_ILP32_OFFBIG — C macro is not a supported constant
+# unsupported in bindings: _XBS5_LP64_OFF64 — C macro is not a supported constant
+# unsupported in bindings: _XBS5_LPBIG_OFFBIG — C macro is not a supported constant
+# unsupported in bindings: _XOPEN_CRYPT — C macro is not a supported constant
+# unsupported in bindings: _XOPEN_ENH_I18N — C macro is not a supported constant
+# unsupported in bindings: _XOPEN_LEGACY — C macro is not a supported constant
+# unsupported in bindings: _XOPEN_REALTIME — C macro is not a supported constant
+# unsupported in bindings: _XOPEN_REALTIME_THREADS — C macro is not a supported constant
+# unsupported in bindings: _XOPEN_SHM — C macro is not a supported constant
+# unsupported in bindings: _XOPEN_STREAMS — C macro is not a supported constant
+# unsupported in bindings: _XOPEN_UNIX — C macro is not a supported constant
+# unsupported in bindings: _SC_PAGE_SIZE — C macro is not a supported constant
+# unsupported in bindings: _CTERMID_H_ — C macro has no replacement value
+# unsupported in bindings: _LIBC_COUNT__L_CTERMID — C macro is not a supported constant
+# unsupported in bindings: _SYS_SELECT_H_ — C macro has no replacement value
+# unsupported in bindings: _FD_SET — C macro has no replacement value
+# unsupported in bindings: _STRUCT_TIMESPEC — C macro is not a supported constant
+# unsupported in bindings: _STRUCT_TIMEVAL — C macro is not a supported constant
+# unsupported in bindings: _TIME_T — C macro has no replacement value
+# unsupported in bindings: _SUSECONDS_T — C macro has no replacement value
+# unsupported in bindings: _SIGSET_T — C macro has no replacement value
+# unsupported in bindings: FD_SETSIZE — C macro is not a supported constant
+# unsupported in bindings: FD_SET — C function-like macros are not supported
+# unsupported in bindings: FD_CLR — C function-like macros are not supported
+# unsupported in bindings: FD_ISSET — C function-like macros are not supported
+# unsupported in bindings: FD_ZERO — C function-like macros are not supported
+# unsupported in bindings: FD_COPY — C function-like macros are not supported
+# unsupported in bindings: _SYS__SELECT_H_ — C macro has no replacement value
+# unsupported in bindings: _DEV_T — C macro has no replacement value
+# unsupported in bindings: _MODE_T — C macro has no replacement value
+# unsupported in bindings: _UUID_T — C macro has no replacement value

source/ast/ast.hon

@@ -0,0 +1,112 @@
+#! GRAMMAR:
+#! * type ..... -> identifier
+#! * assignment -> :: | :=
+#! * literal .. -> int | float | string
+#! * expr ..... -> identifier | literal
+#! * decl ..... -> identifier [type] assignment expr
+#! * stmt ..... -> decl
+
+import "@std/debug"
+import "@source/lexer"
+
+@hide:file
+TokenId :: alias lexer.TokenId
+
+@hide:file
+NO_TOKEN :: alias lexer.NO_TOKEN
+
+NodeId :: distinct u32
+ExtraId :: distinct u32
+
+NO_NODE :: maxval!(NodeId)
+NO_EXTRA :: maxval!(ExtraId)
+
+# unsafe access on its own; NodeKind serves as a the tag
+# that determines the variant.
+NodeData :: union {
+    token_id TokenId
+    node_id NodeId
+    extra_id ExtraId
+}
+
+Node :: struct {
+    kind NodeKind
+    main_token TokenId = NO_TOKEN
+
+    data0 NodeData = NodeData{ node_id = NO_NODE }
+    data1 NodeData = NodeData{ node_id = NO_NODE }
+}
+
+NodeKind :: enum {
+    # LITERALS:
+    # * main_token: token literal
+    literal_int
+    literal_float
+    literal_string
+
+    # IDENTIFIER EXPR:
+    # * main_token: token literal
+    expr_identifier
+
+    # UNARY:
+    # * main_token: operator
+    # * data0: NodeId - expression
+    expr_unary
+
+    # BINARY:
+    # * main_token: operator
+    # * data0: NodeId - left-hand side
+    # * data1: NodeId - right-hand side
+    expr_binary
+
+    # STATEMENT DECLS:
+    # * main_token: symbol name (identifier)
+    # * data0: ExtraId
+    #   + extra[data0]: NodeId - type expr or NO_NODE
+    #   + extra[data0 + 1]: NodeId - initializer expression
+    # * data1: TokenId of either `::` or `:=` indicating mutability
+    stmt_decl
+
+    # FUNC DECLS:
+    # * main_token: function name (identifier)
+    # * data0: NodeId - body block (or NO_NODE for extern)
+    # * data1: ExtraId
+    #   + extra[data1]: NodeId - return type
+    #   + extra[data1 + 1]: u32 - param count
+    #   + extra[data1 + 2..]: NodeId - param decls
+    func_decl
+
+    # PARAM DECLS:
+    # * main_token: param name (identifier)
+    # * data0: NodeId - param type
+    param_decl
+
+    # BLOCK:
+    # * data0: ExtraId - statement range start
+    # * data1: ExtraId - statement range end
+    block
+
+    # PACKAGE:
+    # * data0: ExtraId
+    # * data1: ExtraId
+    # 
+    # extra[data0..data1]: NodeId - all statement node ids in package
+    package
+
+    invalid
+}
+
+node_id proc(idx uint) NodeId {
+    debug.assert(u64(idx) < u64(NO_NODE))
+    return NodeId(idx)
+}
+
+maybe_node_id proc(idx uint) ?NodeId {
+    if (u64(idx) >= u64(NO_NODE)) return null
+    return NodeId(idx)
+}
+
+extra_id proc(idx uint) ExtraId {
+    debug.assert(u64(idx) < u64(NO_EXTRA))
+    return ExtraId(idx)
+}

source/ast/renderer/renderer.hon

@@ -0,0 +1,319 @@
+import "@std"
+import "@std/mem"
+import "@std/arraylist"
+
+import "@source/lexer"
+import "@source/parser"
+import "@source/ast"
+
+@hide:file TokenId :: alias lexer.TokenId
+@hide:file Token :: alias lexer.Token
+@hide:file Node :: alias ast.Node
+@hide:file NodeId :: alias ast.NodeId
+@hide:file ParseState :: alias parser.State
+
+Renderer :: struct { tokens std.ArrayList(Token) }
+
+init proc(allocator mem.Allocator) Renderer {
+    return Renderer{ tokens = arraylist.init(allocator) }
+}
+
+deinit proc(renderer @mut Renderer) void {
+    arraylist.deinit(&renderer.tokens)
+}
+
+render_token_stream proc(
+    renderer @mut Renderer,
+    node_id NodeId,
+    parse_state @ParseState,
+    tokens []Token
+) void ! mem.AllocError {
+    node :: parse_state.nodes.items[usize(node_id)]
+    match node.kind {
+        .literal_int, .literal_float, .literal_string:
+            _ = try render_lit(renderer, node_id, parse_state, tokens)
+        .stmt_decl:
+            try render_stmt_decl(renderer, node_id, parse_state, tokens)
+        .func_decl:
+            try render_func_decl(renderer, node_id, parse_state, tokens)
+        .package:
+            try render_pkg(renderer, node_id, parse_state, tokens)
+        else: unreachable
+    }
+}
+
+@hide:file
+render_pkg proc(
+    renderer @mut Renderer,
+    node_id NodeId,
+    parse_state @ParseState,
+    tokens []Token,
+) void ! mem.AllocError {
+    node :: parse_state.nodes.items[usize(node_id)]
+    extra_start :: usize(node.data0.extra_id)
+    extra_end :: usize(node.data1.extra_id)
+    for extra_start..extra_end |i| {
+        stmt_node_id :: ast.node_id(parse_state.extra.items[i])
+        stmt_node :: parse_state.nodes.items[usize(stmt_node_id)]
+        match stmt_node.kind {
+            .stmt_decl:
+                try render_stmt_decl(renderer, stmt_node_id, parse_state, tokens)
+            .func_decl:
+                try render_func_decl(renderer, stmt_node_id, parse_state, tokens)
+            else: unreachable
+        }
+    }
+}
+
+@hide:file
+render_stmt_decl proc(
+    renderer @mut Renderer,
+    node_id NodeId,
+    parse_state @ParseState,
+    tokens []Token,
+) void ! mem.AllocError {
+    node :: parse_state.nodes.items[usize(node_id)]
+    tok_ident :: tokens[usize(node.main_token)]
+    try arraylist.append(&renderer.tokens, tok_ident)
+
+    raw_node_id_type :: parse_state.extra.items[usize(node.data0.extra_id)]
+    node_id_type :: ast.maybe_node_id(raw_node_id_type)
+    if (node_id_type) |id| try render_type(renderer, id, parse_state, tokens)
+
+    tok_assign :: tokens[usize(node.data1.token_id)]
+    try arraylist.append(&renderer.tokens, tok_assign)
+
+    node_id_expr :: ast.node_id(parse_state.extra.items[usize(node.data0.extra_id + 1)])
+    last_expr_token :: try render_expr(renderer, node_id_expr, parse_state, tokens)
+
+    terminator_idx :: usize(last_expr_token) + 1
+    tok_terminator :: if (terminator_idx < tokens.len) tokens[terminator_idx] else return
+    if (tok_terminator.kind != .newline and tok_terminator.kind != .eof) return
+    try arraylist.append(&renderer.tokens, tok_terminator)
+
+    eof_idx :: terminator_idx + 1
+    if (tok_terminator.kind == .newline and
+        eof_idx < tokens.len and
+        tokens[eof_idx].kind == .eof
+    ) try arraylist.append(&renderer.tokens, tokens[eof_idx])
+}
+
+@hide:file
+render_func_decl proc(
+    renderer @mut Renderer,
+    node_id NodeId,
+    parse_state @ParseState,
+    tokens []Token,
+) void ! mem.AllocError {
+    node :: parse_state.nodes.items[usize(node_id)]
+    ident_idx :: usize(node.main_token)
+    try arraylist.append(&renderer.tokens, tokens[ident_idx])
+    try arraylist.append(&renderer.tokens, tokens[ident_idx + 1])
+    try arraylist.append(&renderer.tokens, tokens[ident_idx + 2])
+
+    payload_start :: usize(node.data1.extra_id)
+    param_count :: usize(parse_state.extra.items[payload_start + 1])
+    first_param :: payload_start + 2
+    for 0..param_count |i| {
+        param_id :: ast.node_id(parse_state.extra.items[first_param + i])
+        param_node :: parse_state.nodes.items[usize(param_id)]
+        type_id :: param_node.data0.node_id
+        type_node :: parse_state.nodes.items[usize(type_id)]
+        try arraylist.append(&renderer.tokens, tokens[usize(param_node.main_token)])
+
+        has_next :: i + 1 < param_count
+        if has_next {
+            next_param_id :: ast.node_id(parse_state.extra.items[first_param + i + 1])
+            next_param :: parse_state.nodes.items[usize(next_param_id)]
+            if (next_param.data0.node_id == type_id) {
+                try arraylist.append(
+                    &renderer.tokens,
+                    tokens[usize(param_node.main_token) + 1],
+                )
+                continue
+            }
+        }
+
+        try render_type(renderer, type_id, parse_state, tokens)
+        if has_next {
+            try arraylist.append(
+                &renderer.tokens,
+                tokens[usize(type_node.main_token) + 1],
+            )
+        }
+    }
+
+    return_type_id :: ast.node_id(parse_state.extra.items[payload_start])
+    return_type_node :: parse_state.nodes.items[usize(return_type_id)]
+    try arraylist.append(
+        &renderer.tokens,
+        tokens[usize(return_type_node.main_token) - 1],
+    )
+    try render_type(renderer, return_type_id, parse_state, tokens)
+
+    open_curly_id :: TokenId(usize(return_type_node.main_token) + 1)
+    close_curly_id :: try render_block(
+        renderer,
+        node.data0.node_id,
+        open_curly_id,
+        parse_state,
+        tokens,
+    )
+
+    terminator_idx :: usize(close_curly_id) + 1
+    if (terminator_idx >= tokens.len) return
+    tok_terminator :: tokens[terminator_idx]
+    if (tok_terminator.kind != .newline and tok_terminator.kind != .eof) return
+    try arraylist.append(&renderer.tokens, tok_terminator)
+
+    eof_idx :: terminator_idx + 1
+    if (tok_terminator.kind == .newline and
+        eof_idx < tokens.len and
+        tokens[eof_idx].kind == .eof
+    ) try arraylist.append(&renderer.tokens, tokens[eof_idx])
+}
+
+@hide:file
+render_block proc(
+    renderer @mut Renderer,
+    node_id NodeId,
+    open_curly_id TokenId,
+    parse_state @ParseState,
+    tokens []Token,
+) TokenId ! mem.AllocError {
+    node :: parse_state.nodes.items[usize(node_id)]
+    open_curly_idx :: usize(open_curly_id)
+    try arraylist.append(&renderer.tokens, tokens[open_curly_idx])
+
+    leading_token := open_curly_idx + 1
+    while (leading_token < tokens.len and tokens[leading_token].kind == .newline) {
+        try arraylist.append(&renderer.tokens, tokens[leading_token])
+        leading_token += 1
+    }
+
+    extra_start :: usize(node.data0.extra_id)
+    extra_end :: usize(node.data1.extra_id)
+    for extra_start..extra_end |i| {
+        stmt_id :: ast.node_id(parse_state.extra.items[i])
+        stmt :: parse_state.nodes.items[usize(stmt_id)]
+        match stmt.kind {
+            .stmt_decl:
+                try render_stmt_decl(renderer, stmt_id, parse_state, tokens)
+            else: unreachable
+        }
+    }
+
+    # ponytail: linear delimiter scan; store brace tokens if nested blocks make rendering hot.
+    depth usize := 1
+    close_curly_idx := open_curly_idx + 1
+    while close_curly_idx < tokens.len {
+        match tokens[close_curly_idx].kind {
+            .open_curly: depth += 1
+            .close_curly: {
+                depth -= 1
+                if (depth == 0) {
+                    try arraylist.append(&renderer.tokens, tokens[close_curly_idx])
+                    return TokenId(close_curly_idx)
+                }
+            }
+            else: {}
+        }
+        close_curly_idx += 1
+    }
+    unreachable
+}
+
+
+@hide:file
+render_expr proc(
+    renderer @mut Renderer,
+    node_id NodeId,
+    parse_state @ParseState,
+    tokens []Token,
+) TokenId ! mem.AllocError {
+    # todo: support unary expressions
+    node :: parse_state.nodes.items[usize(node_id)]
+    return match node.kind {
+        .expr_identifier: {
+            tok :: tokens[usize(node.main_token)]
+            try arraylist.append(&renderer.tokens, tok)
+            yield node.main_token
+        }
+        .expr_unary:
+            try render_expr_unary(renderer, node_id, parse_state, tokens)
+        .expr_binary:
+            try render_expr_binary(renderer, node_id, parse_state, tokens)
+        .literal_int, .literal_float, .literal_string:
+            try render_lit(renderer, node_id, parse_state, tokens)
+        else: unreachable
+    }
+}
+
+@hide:file
+render_expr_unary proc(
+    renderer @mut Renderer,
+    node_id NodeId,
+    parse_state @ParseState,
+    tokens []Token,
+) TokenId ! mem.AllocError {
+    node :: parse_state.nodes.items[usize(node_id)]
+    operator :: node.main_token
+    operand :: node.data0.node_id
+
+    # render operator operand
+    try arraylist.append(&renderer.tokens, tokens[usize(operator)])
+    last_token :: try render_expr(renderer, operand, parse_state, tokens)
+
+    return last_token
+}
+
+@hide:file
+render_expr_binary proc(
+    renderer @mut Renderer,
+    node_id NodeId,
+    parse_state @ParseState,
+    tokens []Token,
+) TokenId ! mem.AllocError {
+    node :: parse_state.nodes.items[usize(node_id)]
+    operator :: node.main_token
+    lhs :: node.data0.node_id
+    rhs :: node.data1.node_id
+
+    # render lhs operator rhs
+    _ = try render_expr(renderer, lhs, parse_state, tokens)
+    try arraylist.append(&renderer.tokens, tokens[usize(operator)])
+    last_token :: try render_expr(renderer, rhs, parse_state, tokens)
+
+    return last_token
+}
+
+@hide:file
+render_type proc(
+    renderer @mut Renderer,
+    node_id NodeId,
+    parse_state @ParseState,
+    tokens []Token,
+) void ! mem.AllocError {
+    # todo: support more expressive type expressions...
+    node :: parse_state.nodes.items[usize(node_id)]
+    match node.kind {
+        .expr_identifier: {
+            tok :: tokens[usize(node.main_token)]
+            try arraylist.append(&renderer.tokens, tok)
+        }
+        else: unreachable
+    }
+}
+
+@hide:file
+render_lit proc(
+    renderer @mut Renderer,
+    node_id NodeId,
+    parse_state @ParseState,
+    tokens []Token,
+) TokenId ! mem.AllocError {
+    node :: parse_state.nodes.items[usize(node_id)]
+    tok :: tokens[usize(node.main_token)]
+    try arraylist.append(&renderer.tokens, tok)
+    return node.main_token
+}

source/lexer.hon

@@ -1,106 +0,0 @@
-import "@std"
-import "@std/mem"
-import "@std/arraylist"
-
-scan func(tokens @mut std.ArrayList(Token), input []u8) void ! mem.AllocError {
-    cursor usize = 0
-    while cursor < input.len {
-        char :: input[cursor]
-
-        # whitespace
-        if char == '\n' {
-	        try arraylist.append(tokens, Token{ kind = .newline, start = cursor })
-	        cursor += 1
-			continue
-        } else if is_whitespace(char) {
-            cursor += 1
-            continue
-        }
-
-        # comments
-        if char == '#' {
-            while cursor < input.len and input[cursor] != '\n' : cursor += 1 {}
-            cursor += 1
-            continue
-        }
-
-        # identifiers and keywords
-        if is_alpha(char) or char == '_' {
-            start :: cursor
-            cursor += 1
-            while cursor < input.len and (is_alpha(input[cursor]) or is_digit(input[cursor]) or input[cursor] == '_') {
-                cursor += 1
-            }
-            try arraylist.append(tokens, Token{ kind = .ident, start = start })
-            continue
-        }
-
-        # integers literals
-        if is_digit(char) {
-            start :: cursor
-            cursor += 1
-            while cursor < input.len and is_digit(input[cursor]) {
-                cursor += 1
-            }
-            try arraylist.append(tokens, Token{ kind = .int, start = start })
-            continue
-        }
-
-        # string literals
-        if char == '"' {
-            start :: cursor
-            cursor += 1
-
-            while cursor < input.len and input[cursor] != '"' and input[cursor] != '\n' : cursor += 1 {
-	            # ignore escaped characters
-	            if (input[cursor] == '\\' and cursor + 1 < input.len) cursor += 1
-            }
-
-            if cursor < input.len and input[cursor] == '"' {
-                cursor += 1
-	            try arraylist.append(tokens, Token{ kind = .string, start = start })
-            } else {
-                try arraylist.append(tokens, Token{ kind = .invalid, start = start })
-            }
-
-            continue
-        }
-
-        # mutable assignment
-        if char == '=' {
-            try arraylist.append(tokens, Token{ kind = .equal, start = cursor })
-            cursor += 1
-            continue
-        }
-
-        # immutable assignment
-        cursor += 1
-        if cursor < input.len and char == ':' and input[cursor] == ':' {
-            try arraylist.append(tokens, Token{ kind = .double_colon, start = cursor })
-            cursor += 1
-            continue
-        }
-
-        # invalid character
-        try arraylist.append(tokens, Token{ kind = .invalid, start = cursor })
-    }
-    try arraylist.append(tokens, Token{ kind = .eof, start = cursor })
-}
-
-hide is_whitespace func(char u8) bool {
-    return char == ' ' or char == '\t' or char == '\n' or char == '\r'
-}
-
-hide is_alpha func(char u8) bool {
-    return match char {
-        'a'..'z', 'A'..'Z': true
-        else: false
-    }
-}
-
-hide is_digit func(char u8) bool {
-    return match char {
-        '0'..'9': true
-        else: false
-    }
-}

source/lexer/lexer.hon

@@ -0,0 +1,342 @@
+import "@std"
+import "@std/mem"
+import "@std/strmap"
+import "@std/enums/enummap"
+import "@std/arraylist"
+
+import "@source/strpool"
+
+ScanError :: struct {
+    code ErrorCode
+    end usize
+}
+
+ErrorCode :: enum {
+    invalid_character,
+    float_must_end_with_digit,
+    unterminated_string,
+}
+
+ErrorDetails :: struct {
+    name []u8
+    message []u8
+}
+
+error_msg_map std.EnumMap(ErrorCode, ErrorDetails) :: enummap.init({
+    invalid_character = ErrorDetails {
+        name = "L0",
+        message = "invalid character",
+    },
+    float_must_end_with_digit = ErrorDetails {
+        name = "L1",
+        message = "float must end with a digit",
+    },
+})
+
+keywords std.StringMap(TokenKind) :: strmap.init([
+    { "proc", .proc },
+    { "return", .return },
+    { "if", .if },
+    { "for", .for },
+    { "else", .else },
+    { "while", .while },
+])
+
+Diagnostic :: struct {
+    token TokenId
+    code ErrorCode
+}
+
+State :: struct {
+    tokens std.ArrayList(Token)
+    diagnostics std.ArrayList(Diagnostic)
+}
+
+init proc(allocator mem.Allocator) State {
+    return State {
+        tokens = arraylist.init(allocator),
+        diagnostics = arraylist.init(allocator),
+    }
+}
+
+deinit proc(state @mut State) void {
+    arraylist.deinit(&state.tokens)
+    arraylist.deinit(&state.diagnostics)
+}
+
+scan proc(state @mut State, program []u8) void ! (mem.AllocError | strpool.InternError) {
+    diagnostics :: &state.diagnostics
+
+    cursor := 0
+    while cursor < program.len {
+        char :: program[cursor]
+
+        # whitespace
+        if char == '\n' {
+            try add_token(state, Token{ start = cursor, kind = .newline })
+            cursor += 1
+            continue
+        } else if is_whitespace(char) {
+            cursor += 1
+            continue
+        }
+
+        # comments
+        if char == '#' {
+            while (cursor < program.len and program[cursor] != '\n') cursor += 1
+            cursor += 1 # also skip newline
+            continue
+        }
+
+        # identifiers and keywords
+        if is_alpha(char) or char == '_' {
+            start :: cursor
+            result :: scan_ident(start, program)
+            try add_token(state, Token{
+                start = start,
+                kind = result.kind,
+                str_id = result.str_id,
+            })
+            cursor = result.end
+            continue
+        }
+
+        # numeric literals
+        if is_digit(char) {
+            start :: cursor
+            result :: scan_number(start, program) catch |err| {
+                token :: token_id(state.tokens.items.len)
+                try add_token(state, Token{ start = start, kind = .invalid })
+                try arraylist.append(diagnostics, Diagnostic{ token = token, code = err.code })
+                cursor = err.end
+                continue
+            }
+
+            kind :: if (result.has_decimal) .float else .int
+            try add_token(state, Token{ start = start, kind = kind })
+            cursor = result.end
+            continue
+        }
+
+        # string literals
+        if char == '"' {
+            start :: cursor
+            result :: scan_string(start, program) catch |err| {
+                token :: token_id(state.tokens.items.len)
+                try add_token(state, Token{ start = start, kind = .invalid })
+                try arraylist.append(diagnostics, Diagnostic{ token = token, code = err.code })
+                cursor = err.end
+                continue
+            }
+
+            try add_token(state, Token{ start = start, kind = .string })
+            cursor = result.end
+            continue
+        }
+
+        # immutable decl, mutable decl, or single colon
+        if char == ':' {
+            if cursor + 1 < program.len and program[cursor + 1] == ':' {
+                try add_token(state, Token{ start = cursor, kind = .double_colon })
+                cursor += 2
+                continue
+            }
+
+            if cursor + 1 < program.len and program[cursor + 1] == '=' {
+                try add_token(state, Token{ start = cursor, kind = .colon_equal })
+                cursor += 2
+                continue
+            }
+
+            try add_token(state, Token{ start = cursor, kind = .colon })
+            cursor += 1
+            continue
+        }
+
+        # compound arithmetic assignment
+        if char == '+' {
+            if cursor + 1 < program.len and program[cursor + 1] == '=' {
+                try add_token(state, Token{ start = cursor, kind = .plus_equal })
+                cursor += 2
+                continue
+            }
+
+            try add_token(state, Token{ start = cursor, kind = .plus })
+            cursor += 1
+            continue
+        }
+        if char == '-' {
+            if cursor + 1 < program.len and program[cursor + 1] == '=' {
+                try add_token(state, Token{ start = cursor, kind = .minus_equal })
+                cursor += 2
+                continue
+            }
+
+            try add_token(state, Token{ start = cursor, kind = .minus })
+            cursor += 1
+            continue
+        }
+        if char == '*' {
+            if cursor + 1 < program.len and program[cursor + 1] == '=' {
+                try add_token(state, Token{ start = cursor, kind = .star_equal })
+                cursor += 2
+                continue
+            }
+
+            try add_token(state, Token{ start = cursor, kind = .star })
+            cursor += 1
+            continue
+        }
+        if char == '/' {
+            if cursor + 1 < program.len and program[cursor + 1] == '=' {
+                try add_token(state, Token{ start = cursor, kind = .slash_equal })
+                cursor += 2
+                continue
+            }
+
+            try add_token(state, Token{ start = cursor, kind = .slash })
+            cursor += 1
+            continue
+        }
+
+        # single character tokens
+        kind ?TokenKind :: match char {
+            '=': .equal
+            ',': .comma
+            '(': .open_paren
+            ')': .close_paren
+            '{': .open_curly
+            '}': .close_curly
+            else: null
+        }
+
+        if (kind) |k| {
+            try add_token(state, Token{ start = cursor, kind = k })
+            cursor += 1
+            continue
+        }
+
+        # invalid character
+        token :: token_id(state.tokens.items.len)
+        try add_token(state, Token{ start = cursor, kind = .invalid })
+        try arraylist.append(diagnostics, Diagnostic{ token = token, code = .invalid_character })
+        cursor += 1
+    }
+
+    try add_token(state, Token{ start = cursor, kind = .eof })
+}
+
+ScanIdentResult :: struct {
+    end usize
+    kind TokenKind
+    str_id strpool.StringId
+}
+
+scan_ident proc(start usize, program []u8) ScanIdentResult {
+    cursor := start + 1
+
+    # scan whole identifier
+    while (cursor < program.len and (
+        is_alpha(program[cursor]) or
+        is_digit(program[cursor]) or
+        program[cursor] == '_'
+    )) cursor += 1
+
+    kind :: strmap.get(&keywords, program[start..cursor]) orelse .ident
+
+    # don't intern keywords (already O(1) lookup via token kind)
+    str_id :: if (kind == .ident)
+        strpool.intern(&strpool.STRINGS, program[start..cursor]) catch strpool.NO_STR
+    else
+        strpool.NO_STR
+
+    return ScanIdentResult{
+        end = cursor,
+        kind = kind,
+        str_id = str_id,
+    }
+}
+
+ScanNumResult :: struct {
+    end usize
+    has_decimal bool
+}
+
+scan_number proc(start usize, program []u8) ScanNumResult ! ScanError {
+    cursor := start
+    has_decimal := false
+
+    # scan integer part
+    while (cursor < program.len and is_digit(program[cursor])) cursor += 1
+
+    # check for decimal
+    if cursor < program.len and program[cursor] == '.' {
+        has_decimal = true
+        cursor += 1
+    }
+
+    # assert non-terminating decimal
+    if has_decimal and (cursor >= program.len or !is_digit(program[cursor])) {
+        return ScanError{
+            code = .float_must_end_with_digit,
+            end = cursor,
+        }
+    }
+
+    # scan fractional part
+    while (cursor < program.len and is_digit(program[cursor])) cursor += 1
+
+    return ScanNumResult{
+        end = cursor,
+        has_decimal = has_decimal,
+    }
+}
+
+ScanStrResult :: struct { end usize }
+
+scan_string proc(start usize, program []u8) ScanStrResult ! ScanError {
+    cursor := start + 1 # skip first `"`
+
+    # scan entire string
+    while cursor < program.len and program[cursor] != '"' and program[cursor] != '\n' : cursor += 1 {
+        # ignore escaped characters
+        if (program[cursor] == '\\' and cursor + 1 < program.len) cursor += 1
+    }
+
+    # assert string terminal
+    if (cursor >= program.len or program[cursor] != '"') return ScanError{
+        code = .unterminated_string,
+        end = cursor,
+    }
+
+    return ScanStrResult{
+        end = cursor + 1, # skip last `"`
+    }
+}
+
+@hide
+is_whitespace proc(char u8) bool {
+    return char == ' ' or char == '\t' or char == '\n' or char == '\r'
+}
+
+@hide
+is_alpha proc(char u8) bool {
+    return match char {
+        'a'..='z', 'A'..='Z': true
+        else: false
+    }
+}
+
+@hide
+is_digit proc(char u8) bool {
+    return match char {
+        '0'..='9': true
+        else: false
+    }
+}
+
+@hide
+add_token proc(state @mut State, token Token) void ! mem.AllocError {
+    _ = token_id(state.tokens.items.len)
+    try arraylist.append(&state.tokens, token)
+}

source/lexer/lexer.test.hon

@@ -0,0 +1,24 @@
+import "@source/strpool"
+import "@std/mem"
+import "@std/testing"
+
+handles_keywords_identifiers_and_error_progress test {
+    strpool.STRINGS = strpool.init(mem.c_allocator)
+    defer strpool.deinit(&strpool.STRINGS)
+
+    state State := init(mem.c_allocator)
+    defer deinit(&state)
+    try scan(&state, "if name # comment\n@1. 2 3.5 \"hi\"")
+
+    try testing.expect_equal(8, state.tokens.items.len)
+    try testing.expect_equal(TokenKind.if, state.tokens.items[0].kind)
+    try testing.expect_equal(TokenKind.ident, state.tokens.items[1].kind)
+    try testing.expect_equal(TokenKind.invalid, state.tokens.items[2].kind)
+    try testing.expect_equal(TokenKind.invalid, state.tokens.items[3].kind)
+    try testing.expect_equal(TokenKind.int, state.tokens.items[4].kind)
+    try testing.expect_equal(TokenKind.float, state.tokens.items[5].kind)
+    try testing.expect_equal(TokenKind.string, state.tokens.items[6].kind)
+    try testing.expect_equal(TokenKind.eof, state.tokens.items[7].kind)
+    try testing.expect_equal(2, state.diagnostics.items.len)
+    try testing.expect_equal("name", strpool.get_str(&strpool.STRINGS, state.tokens.items[1].str_id)?)
+}

source/lexer/token.hon

@@ -0,0 +1,86 @@
+import "@std/debug"
+import "@source/strpool"
+
+TokenId :: distinct u32
+
+NO_TOKEN :: maxval!(TokenId)
+
+Token :: struct {
+    start uint
+    kind TokenKind
+    str_id strpool.StringId = strpool.NO_STR
+}
+
+TokenKind :: enum {
+    # keywords
+    if, else
+    for, while
+    proc, return
+
+    # literals
+    ident, string
+    int, float
+
+    # comparison
+    equal_equal, not_equal
+    less, less_equal
+    greater, greater_equal
+
+    # assignment
+    double_colon, colon_equal
+    equal
+
+    # arithmetic
+    plus, minus
+    star, slash
+
+    # assignment & arithmetic
+    plus_equal, minus_equal
+    star_equal, slash_equal
+
+    # delimiters
+    open_paren, close_paren
+    open_bracket, close_bracket
+    open_curly, close_curly
+
+    comma
+    colon
+    newline
+
+    # special
+    eof
+    invalid
+}
+
+render_token proc(tok Token, program []u8) void {
+    match tok.kind {
+        .ident: {
+            if (strpool.get_str(&strpool.STRINGS, tok.str_id)) |str| {
+                debug.print("{}({})\n", {tok.kind, str})
+            } else {
+                res :: scan_ident(tok.start, program)
+                debug.print("{}({})\n", {tok.kind, program[tok.start..res.end]})
+            }
+        }
+        .string: {
+            res :: scan_string(tok.start, program) catch |_| {
+                debug.print("{}({})\n", {tok.kind, "null"})
+                return
+            }
+            debug.print("{}({})\n", {tok.kind, program[tok.start..res.end]})
+        }
+        .int, .float: {
+            res :: scan_number(tok.start, program) catch |_| {
+                debug.print("{}({})\n", {tok.kind, "null"})
+                return
+            }
+            debug.print("{}({})\n", {tok.kind, program[tok.start..res.end]})
+        }
+        else: debug.print("{}\n", {tok.kind})
+    }
+}
+
+token_id proc(idx uint) TokenId {
+    debug.assert(u64(idx) < u64(NO_TOKEN))
+    return TokenId(idx)
+}

source/main.hon

@@ -1,23 +1,111 @@
-import "@std"
 import "@std/debug"
 import "@std/mem"
-import "@std/arraylist"
+
+test import "@std/enums/enummap"
+test import "@std/arraylist"
+test import "@std/hashmap"
+test import "@std/strmap"
+test import "@std/meta"
+
+import "@source/strpool"
+import "@source/lexer"
+import "@source/parser"
+
+ast_renderer :: import "@source/ast/renderer"
+
+test import "@source/strpool"
+test import "@source/lexer"
+test import "@source/parser"
 
 program ::
-	`# these are immutable
-	`x :: 32
-	`y :: 3.2
+    `# literals
+    `x float :: 123.9
+    `y int := 43
+    `z :: "hello"
+    `
+    `a := 1 + 2 * 3
+    `b :: -3 / 2 + 1
+    `
+    `empty proc() void {}
+    `grouped proc(a, b T, c U) void {
+    `    value int :: 1
+    `}
 
-main func() void {
-    tokens std.ArrayList(Token) = arraylist.init(mem.c_allocator)
-    defer arraylist.deinit(&tokens)
+main proc() void! {
+    strpool.STRINGS = strpool.init(mem.c_allocator)
+    defer strpool.deinit(&strpool.STRINGS)
 
-    scan(&tokens, program) catch |_| {
-        debug.print("failed to scan: out of memory\n", {})
+    debug.print("PROGRAM::[[\n{}\n]]\n\n", {program})
+
+    scan_state := lexer.init(mem.c_allocator)
+    defer lexer.deinit(&scan_state)
+    lexer.scan(&scan_state, program) catch |err| {
+        debug.print("failed to scan: {}\n", {err})
         return
     }
 
-    for tokens.items |token| {
-        debug.print("{}\n", { token.kind })
+    debug.print("TOKENS::[[\n", {})
+    for (scan_state.tokens.items) |tok| lexer.render_token(tok, program)
+    debug.print("]]\n\n", {})
+
+    parse_state := parser.init(mem.c_allocator)
+    defer parser.deinit(&parse_state)
+    root :: parser.parse(&parse_state, scan_state.tokens.items) catch |err| {
+        debug.print("failed to parse: {}\n", {err})
+        return
+    }
+
+    debug.print("AST::[[\n", {})
+    for parse_state.nodes.items |node, i| {
+        match node.kind {
+            .expr_identifier: {
+                ident :: scan_state.tokens.items[usize(node.main_token)]
+                res :: lexer.scan_ident(ident.start, program)
+                debug.print("{}: {}({})\n", { i, node.kind, program[ident.start..res.end] })
+            }
+            .literal_int, .literal_float: {
+                lit :: scan_state.tokens.items[usize(node.main_token)]
+                res :: lexer.scan_number(lit.start, program) catch |_| {
+                    debug.print("{}: {}\n", { i, node.kind })
+                    continue
+                }
+                debug.print("{}: {}({})\n", { i, node.kind, program[lit.start..res.end] })
+            }
+            .literal_string: {
+                str :: scan_state.tokens.items[usize(node.main_token)]
+                res :: lexer.scan_string(str.start, program) catch |_| {
+                    debug.print("{}: {}\n", { i, node.kind })
+                    continue
+                }
+                debug.print("{}: {}({})\n", { i, node.kind, program[str.start..res.end] })
+            }
+            .expr_unary: {
+                operator :: scan_state.tokens.items[usize(node.main_token)]
+                operand :: node.data0.node_id
+                debug.print("{}: {}({}, operand={})\n", { i, node.kind, operator.kind, operand })
+            }
+            .expr_binary: {
+                operator :: scan_state.tokens.items[usize(node.main_token)]
+                lhs :: node.data0.node_id
+                rhs :: node.data1.node_id
+                debug.print("{}: {}({}, lhs={}, rhs={})\n", { i, node.kind, operator.kind, lhs, rhs })
+            }
+            .stmt_decl: {
+                ident :: scan_state.tokens.items[usize(node.main_token)]
+                init :: parse_state.extra.items[usize(node.data0.extra_id) + 1]
+                res :: lexer.scan_ident(ident.start, program)
+                debug.print("{}: {}({}, init={})\n", { i, node.kind, program[ident.start..res.end], init })
+            }
+            else: debug.print("{}: {}\n", { i, node.kind })
         }
     }
+    debug.print("]]\n\n", {})
+
+    renderer := ast_renderer.init(mem.c_allocator)
+    defer ast_renderer.deinit(&renderer)
+    try ast_renderer.render_token_stream(&renderer, root, &parse_state, scan_state.tokens.items)
+
+    debug.print("AST Render::[[\n", {})
+    for (renderer.tokens.items) |tok| lexer.render_token(tok, program)
+    debug.print("]]\n", {})
+}

source/parser/parser.hon

@@ -0,0 +1,401 @@
+import "@std"
+import "@std/mem"
+import "@std/arraylist"
+import "@std/enums/enummap"
+import "@std/debug"
+
+import "@source/lexer"
+import "@source/ast"
+
+# todo: move error stuff into a separate file
+
+Diagnostic :: struct {
+    code ErrorCode
+    node NodeId
+}
+
+ParseError :: alias ErrorCode | mem.AllocError
+
+ErrorCode :: enum {
+    unexpected_token,
+}
+
+ErrorDetails :: struct {
+    name []u8
+    message []u8
+}
+
+error_msg_map std.EnumMap(ErrorCode, ErrorDetails) :: enummap.init({
+    unexpected_token = ErrorDetails {
+        name = "P0",
+        message = "unexpected token",
+    },
+})
+
+@hide:file Token :: alias lexer.Token
+@hide:file TokenId :: alias lexer.TokenId
+@hide:file TokenKind :: alias lexer.TokenKind
+@hide:file Node :: alias ast.Node
+@hide:file NodeId :: alias ast.NodeId
+@hide:file ExtraId :: alias ast.ExtraId
+@hide:file NodeData :: alias ast.NodeData
+@hide:file NO_NODE :: alias ast.NO_NODE
+@hide:file NO_EXTRA :: alias ast.NO_EXTRA
+@hide:file token_id :: alias lexer.token_id
+
+BindingPowerScalar :: distinct u32
+
+BindingPower :: struct {
+    left BindingPowerScalar
+    right BindingPowerScalar
+}
+
+prefix_binding_power proc(token_kind TokenKind) ?BindingPowerScalar {
+    return match token_kind {
+        .minus: BindingPowerScalar(30)
+        else: null
+    }
+}
+
+infix_binding_power proc(token_kind TokenKind) ?BindingPower {
+    return match token_kind {
+        .plus, .minus: BindingPower{ left = BindingPowerScalar(10), right = BindingPowerScalar(11) }
+        .star, .slash: BindingPower{ left = BindingPowerScalar(20), right = BindingPowerScalar(21) }
+        else: null
+    }
+}
+
+postfix_binding_power proc(token_kind TokenKind) ?BindingPowerScalar {
+    return match token_kind {
+        .open_paren, .open_bracket: BindingPowerScalar(40)
+        else: null
+    }
+}
+
+State :: struct {
+    nodes std.ArrayList(Node)
+
+    #! array of raw u32's indexing nodes, tokens, etc.
+    extra std.ArrayList(u32)
+
+    tokens []Token = &[]
+    next_token usize = 0
+}
+
+init proc(allocator mem.Allocator) State {
+    return State{
+        nodes = arraylist.init(allocator),
+        extra = arraylist.init(allocator),
+    }
+}
+
+deinit proc(state @mut State) void {
+    arraylist.deinit(&state.nodes)
+    arraylist.deinit(&state.extra)
+}
+
+parse proc(state @mut State, tokens []Token) NodeId ! ParseError {
+    state.tokens = tokens
+    return try parse_pkg(state)
+}
+
+parse_pkg proc(state @mut State) NodeId ! ParseError {
+    if (state.next_token < state.tokens.len
+        and state.tokens[state.next_token].kind == .eof
+    ) return NO_NODE
+
+    stmt_ids std.ArrayList(NodeId) := arraylist.init(state.nodes.allocator)
+    defer arraylist.deinit(&stmt_ids)
+
+    while (state.next_token < state.tokens.len
+        and state.tokens[state.next_token].kind != .eof
+    ) {
+        stmt_id :: try parse_decl(state)
+        try arraylist.append(&stmt_ids, stmt_id)
+    }
+
+    pkg_start :: ast.extra_id(state.extra.items.len)
+    for (stmt_ids.items) |stmt_id| _ = try add_extra(state, u32(stmt_id))
+    pkg_end :: ast.extra_id(state.extra.items.len)
+
+    return try add_node(state, Node{
+        kind = .package,
+        data0 = NodeData{ extra_id = pkg_start },
+        data1 = NodeData{ extra_id = pkg_end },
+    })
+}
+
+parse_decl proc(state @mut State) NodeId ! ParseError {
+    if next_n_is(state, 1, .proc)
+        return try parse_func_decl(state)
+    else
+        return try parse_stmt_decl(state)
+}
+
+parse_func_decl proc(state @mut State) NodeId ! ParseError {
+    ident_tok_id :: try consume(state, .ident)
+    _ = try consume(state, .proc)
+    _ = try consume(state, .open_paren)
+
+    param_decls std.ArrayList(NodeId) := arraylist.init(state.nodes.allocator)
+    defer arraylist.deinit(&param_decls)
+
+    ident_ids std.ArrayList(TokenId) := arraylist.init(state.nodes.allocator)
+    defer arraylist.deinit(&ident_ids)
+
+    while !next_is(state, .close_paren) {
+        arraylist.clear(&ident_ids)
+
+        # collect param group
+        while true {
+            param_tok_id :: try consume(state, .ident)
+            try arraylist.append(&ident_ids, param_tok_id)
+
+            if next_is(state, .ident) break
+            _ = try consume(state, .comma)
+        }
+
+        # collect type
+        try expect(state, .ident)
+        type_id :: try parse_primary(state)
+        for (ident_ids.items) |id| {
+            param_decl :: try add_node(state, Node{
+                kind = .param_decl,
+                main_token = id,
+                data0 = NodeData{ node_id = type_id },
+            })
+            try arraylist.append(&param_decls, param_decl)
+        }
+
+        if next_is(state, .comma) _ = try consume(state, .comma)
+    }
+
+    _ = try consume(state, .close_paren)
+
+    try expect(state, .ident)
+    return_type_id :: try parse_primary(state)
+    block_id :: try parse_block(state)
+
+    while next_is(state, .newline) _ = try consume(state, .newline)
+
+    extra_id :: try add_extra(state, u32(return_type_id))
+    _ = try add_extra(state, u32(param_decls.items.len))
+    for (param_decls.items) |param| _ = try add_extra(state, u32(param))
+
+    return try add_node(state, Node{
+        kind = .func_decl,
+        main_token = ident_tok_id,
+        data0 = NodeData{ node_id = block_id },
+        data1 = NodeData{ extra_id = extra_id },
+    })
+}
+
+parse_block proc(state @mut State) NodeId ! ParseError {
+    stmt_ids std.ArrayList(NodeId) := arraylist.init(state.nodes.allocator)
+    defer arraylist.deinit(&stmt_ids)
+
+    _ = try consume(state, .open_curly)
+    while next_is(state, .newline) _ = try consume(state, .newline)
+
+    while !next_is(state, .close_curly) {
+        stmt_id :: try parse_stmt(state)
+        try arraylist.append(&stmt_ids, stmt_id)
+        while next_is(state, .newline) _ = try consume(state, .newline)
+    }
+
+    _ = try consume(state, .close_curly)
+
+    block_start :: ast.extra_id(state.extra.items.len)
+    for (stmt_ids.items) |id| _ = try add_extra(state, u32(id))
+    block_end :: ast.extra_id(state.extra.items.len)
+
+    return try add_node(state, Node{
+        kind = .block,
+        data0 = NodeData{ extra_id = block_start },
+        data1 = NodeData{ extra_id = block_end },
+    })
+}
+
+parse_stmt proc(state @mut State) NodeId ! ParseError {
+    if next_is(state, .ident) return try parse_stmt_decl(state)
+    return .unexpected_token
+}
+
+parse_stmt_decl proc(state @mut State) NodeId ! ParseError {
+    # expect identifier
+    ident_tok_id :: try consume(state, .ident)
+
+    # check for type
+    # todo: make a parse_type proc for this
+    type_id :: if (next_is(state, .ident))
+        try parse_primary(state)
+    else
+        NO_NODE
+
+    # expect `::` or `:=` (immutable or mutable assignment)
+    mutability_tok_id :: try consume_either(state, &[.double_colon, .colon_equal])
+
+    # expect expression
+    expr_id :: try parse_expr(state)
+
+    # expect statement terminator (newline)
+    while (next_is(state, .newline)) _ = try consume(state, .newline)
+
+    extra_start_id :: try add_extra(state, u32(type_id))
+    _ = try add_extra(state, u32(expr_id))
+
+    return try add_node(state, Node{
+        kind = .stmt_decl,
+        main_token = ident_tok_id,
+        data0 = NodeData{ extra_id = extra_start_id },
+        data1 = NodeData{ token_id = mutability_tok_id },
+    })
+}
+
+parse_expr proc(state @mut State) NodeId ! mem.AllocError {
+    return try parse_expr_bp(state, BindingPowerScalar(0))
+}
+
+parse_expr_bp proc(state @mut State, min_bp BindingPowerScalar) NodeId ! mem.AllocError {
+    # parse left-hand side
+    kind := state.tokens[state.next_token].kind
+
+    lhs := if (prefix_binding_power(kind)) |right_bp| {
+        operator :: token_id(state.next_token)
+        state.next_token += 1
+
+        operand :: try parse_expr_bp(state, right_bp)
+
+        yield try add_node(state, Node{
+            kind = .expr_unary,
+            main_token = operator,
+            data0 = NodeData{ node_id = operand },
+        })
+    } else {
+        yield try parse_primary(state)
+    }
+
+    # parse right-hand side
+    while true {
+        kind = state.tokens[state.next_token].kind
+
+        # try postfix (higher precedence)
+        if postfix_binding_power(kind) |left_bp| {
+            if (left_bp < min_bp) break
+
+            lhs = match state.tokens[state.next_token].kind {
+                .open_paren: debug.unimplemented() # todo: parse call
+                .open_bracket: debug.unimplemented() # todo: parse index
+                else: unreachable
+            }
+            continue
+        }
+
+        # try infex (lower precedence)
+        if infix_binding_power(kind) |bp| {
+            if (bp.left < min_bp) break
+
+            operator :: token_id(state.next_token)
+            state.next_token += 1
+
+            rhs :: try parse_expr_bp(state, bp.right)
+            lhs = try add_node(state, Node{
+                kind = .expr_binary,
+                main_token = operator,
+                data0 = NodeData{ node_id = lhs },
+                data1 = NodeData{ node_id = rhs },
+            })
+
+            continue
+        }
+
+        break
+    }
+
+    return lhs
+}
+
+parse_primary proc(state @mut State) NodeId ! mem.AllocError {
+    start_idx :: state.next_token
+    start_tok_id :: TokenId(start_idx)
+    state.next_token += 1
+    return match state.tokens[start_idx].kind {
+        .int: try add_node(state, Node{
+            kind = .literal_int,
+            main_token = start_tok_id,
+        })
+        .float: try add_node(state, Node{
+            kind = .literal_float,
+            main_token = start_tok_id,
+        })
+        .string: try add_node(state, Node{
+            kind = .literal_string,
+            main_token = start_tok_id,
+        })
+        .ident: try add_node(state, Node{
+            kind = .expr_identifier,
+            main_token = start_tok_id,
+        })
+        else: try add_node(state, Node{
+            kind = .invalid,
+            main_token = start_tok_id,
+        })
+    }
+}
+
+@hide
+next_is proc(state @mut State, token_kind TokenKind) bool {
+    return state.tokens[state.next_token].kind == token_kind
+}
+
+@hide
+next_is_either proc(state @mut State, token_kinds []TokenKind) bool {
+    for (token_kinds) |kind| if next_is(state, kind) return true
+    return false
+}
+
+@hide
+next_n_is proc(state @mut State, n usize, token_kind TokenKind) bool {
+    return state.tokens[state.next_token + n].kind == token_kind
+}
+
+@hide
+expect proc(state @mut State, token_kind TokenKind) void ! ErrorCode {
+    if (state.tokens[state.next_token].kind != token_kind) return .unexpected_token
+}
+
+@hide
+expect_either proc(state @mut State, token_kinds []TokenKind) void ! ErrorCode {
+    for (token_kinds) |kind| if (state.tokens[state.next_token].kind == kind) return
+    return .unexpected_token
+}
+
+@hide
+consume proc(state @mut State, token_kind TokenKind) TokenId ! ErrorCode {
+    try expect(state, token_kind)
+    id :: TokenId(state.next_token)
+    state.next_token += 1
+    return id
+}
+
+@hide
+consume_either proc(state @mut State, token_kinds []TokenKind) TokenId ! ErrorCode {
+    try expect_either(state, token_kinds)
+    id :: TokenId(state.next_token)
+    state.next_token += 1
+    return id
+}
+
+@hide
+add_node proc(state @mut State, node Node) NodeId ! mem.AllocError {
+    id :: ast.node_id(state.nodes.items.len)
+    try arraylist.append(&state.nodes, node)
+    return id
+}
+
+@hide
+add_extra proc(state @mut State, data u32) ExtraId ! mem.AllocError {
+    id :: ast.extra_id(state.extra.items.len)
+    try arraylist.append(&state.extra, data)
+    return id
+}

source/parser/parser.test.hon

@@ -0,0 +1,202 @@
+import "@std/mem"
+import "@std/testing"
+
+import "@source/strpool"
+import "@source/lexer"
+import "@source/ast"
+
+ast_renderer :: import "@source/ast/renderer"
+
+handles_package_declarations test {
+    strpool.STRINGS = strpool.init(mem.c_allocator)
+    defer strpool.deinit(&strpool.STRINGS)
+
+    source ::
+        `first int :: 42
+        `second float :: 2.15 + 3
+        `message :: "hello"
+
+    scan_state := lexer.init(mem.c_allocator)
+    defer lexer.deinit(&scan_state)
+    try lexer.scan(&scan_state, source)
+
+    parse_state := init(mem.c_allocator)
+    defer deinit(&parse_state)
+    root :: try parse(&parse_state, scan_state.tokens.items)
+
+    renderer := ast_renderer.init(mem.c_allocator)
+    defer ast_renderer.deinit(&renderer)
+    try ast_renderer.render_token_stream(&renderer, root, &parse_state, scan_state.tokens.items)
+
+    try testing.expect_equal(scan_state.tokens.items.len, renderer.tokens.items.len)
+    for scan_state.tokens.items |expected, i| {
+        actual :: renderer.tokens.items[i]
+        try testing.expect_equal(expected.kind, actual.kind)
+        try testing.expect_equal(expected.start, actual.start)
+        try testing.expect_equal(expected.str_id, actual.str_id)
+    }
+}
+
+handles_unary_arithmetic_prefix_expression test {
+    strpool.STRINGS = strpool.init(mem.c_allocator)
+    defer strpool.deinit(&strpool.STRINGS)
+
+    source ::
+        `first :: -42 + 1
+
+    scan_state := lexer.init(mem.c_allocator)
+    defer lexer.deinit(&scan_state)
+    try lexer.scan(&scan_state, source)
+
+    parse_state := init(mem.c_allocator)
+    defer deinit(&parse_state)
+    root :: try parse(&parse_state, scan_state.tokens.items)
+
+    renderer := ast_renderer.init(mem.c_allocator)
+    defer ast_renderer.deinit(&renderer)
+    try ast_renderer.render_token_stream(&renderer, root, &parse_state, scan_state.tokens.items)
+
+    try testing.expect_equal(scan_state.tokens.items.len, renderer.tokens.items.len)
+    for scan_state.tokens.items |expected, i| {
+        actual :: renderer.tokens.items[i]
+        try testing.expect_equal(expected.kind, actual.kind)
+        try testing.expect_equal(expected.start, actual.start)
+        try testing.expect_equal(expected.str_id, actual.str_id)
+    }
+}
+
+handles_binary_arithmetic_expression test {
+    strpool.STRINGS = strpool.init(mem.c_allocator)
+    defer strpool.deinit(&strpool.STRINGS)
+
+    source ::
+        `first int :: 42 + 3
+        `second :: 134 + 5
+        `third float :: 1.35 + 2
+        `fourth :: first + second
+
+    scan_state := lexer.init(mem.c_allocator)
+    defer lexer.deinit(&scan_state)
+    try lexer.scan(&scan_state, source)
+
+    parse_state := init(mem.c_allocator)
+    defer deinit(&parse_state)
+    root :: try parse(&parse_state, scan_state.tokens.items)
+
+    renderer := ast_renderer.init(mem.c_allocator)
+    defer ast_renderer.deinit(&renderer)
+    try ast_renderer.render_token_stream(&renderer, root, &parse_state, scan_state.tokens.items)
+
+    try testing.expect_equal(scan_state.tokens.items.len, renderer.tokens.items.len)
+    for scan_state.tokens.items |expected, i| {
+        actual :: renderer.tokens.items[i]
+        try testing.expect_equal(expected.kind, actual.kind)
+        try testing.expect_equal(expected.start, actual.start)
+        try testing.expect_equal(expected.str_id, actual.str_id)
+    }
+}
+
+handles_statement_declaration test {
+    strpool.STRINGS = strpool.init(mem.c_allocator)
+    defer strpool.deinit(&strpool.STRINGS)
+
+    source ::
+        `value int :: 42
+
+    scan_state := lexer.init(mem.c_allocator)
+    defer lexer.deinit(&scan_state)
+    try lexer.scan(&scan_state, source)
+
+    parse_state := init(mem.c_allocator)
+    defer deinit(&parse_state)
+    root :: try parse(&parse_state, scan_state.tokens.items)
+
+    renderer := ast_renderer.init(mem.c_allocator)
+    defer ast_renderer.deinit(&renderer)
+    try ast_renderer.render_token_stream(&renderer, root, &parse_state, scan_state.tokens.items)
+
+    try testing.expect_equal(scan_state.tokens.items.len, renderer.tokens.items.len)
+    for scan_state.tokens.items |expected, i| {
+        actual :: renderer.tokens.items[i]
+        try testing.expect_equal(expected.kind, actual.kind)
+        try testing.expect_equal(expected.start, actual.start)
+        try testing.expect_equal(expected.str_id, actual.str_id)
+    }
+}
+
+handles_function_declarations test {
+    strpool.STRINGS = strpool.init(mem.c_allocator)
+    defer strpool.deinit(&strpool.STRINGS)
+
+    source ::
+        `empty proc() void {}
+        `grouped proc(a, b T, c U) void {
+        `    value int :: 1
+        `}
+
+    scan_state := lexer.init(mem.c_allocator)
+    defer lexer.deinit(&scan_state)
+    try lexer.scan(&scan_state, source)
+
+    parse_state := init(mem.c_allocator)
+    defer deinit(&parse_state)
+    root_id :: try parse(&parse_state, scan_state.tokens.items)
+    root :: parse_state.nodes.items[usize(root_id)]
+
+    package_start :: usize(root.data0.extra_id)
+    package_end :: usize(root.data1.extra_id)
+    try testing.expect_equal(usize(2), package_end - package_start)
+
+    empty_id :: ast.node_id(parse_state.extra.items[package_start])
+    empty :: parse_state.nodes.items[usize(empty_id)]
+    empty_payload :: usize(empty.data1.extra_id)
+    empty_block :: parse_state.nodes.items[usize(empty.data0.node_id)]
+    try testing.expect_equal(ast.NodeKind.func_decl, empty.kind)
+    try testing.expect_equal(u32(0), parse_state.extra.items[empty_payload + 1])
+    try testing.expect_equal(
+        usize(empty_block.data0.extra_id),
+        usize(empty_block.data1.extra_id),
+    )
+
+    grouped_id :: ast.node_id(parse_state.extra.items[package_start + 1])
+    grouped :: parse_state.nodes.items[usize(grouped_id)]
+    grouped_payload :: usize(grouped.data1.extra_id)
+    try testing.expect_equal(ast.NodeKind.func_decl, grouped.kind)
+    try testing.expect_equal(u32(3), parse_state.extra.items[grouped_payload + 1])
+
+    param_a_id :: ast.node_id(parse_state.extra.items[grouped_payload + 2])
+    param_b_id :: ast.node_id(parse_state.extra.items[grouped_payload + 3])
+    param_c_id :: ast.node_id(parse_state.extra.items[grouped_payload + 4])
+    param_a :: parse_state.nodes.items[usize(param_a_id)]
+    param_b :: parse_state.nodes.items[usize(param_b_id)]
+    param_c :: parse_state.nodes.items[usize(param_c_id)]
+    try testing.expect_equal(ast.NodeKind.param_decl, param_a.kind)
+    try testing.expect_equal(ast.NodeKind.param_decl, param_b.kind)
+    try testing.expect_equal(ast.NodeKind.param_decl, param_c.kind)
+    try testing.expect(param_a.data0.node_id == param_b.data0.node_id)
+    try testing.expect(param_a.data0.node_id != param_c.data0.node_id)
+
+    grouped_block :: parse_state.nodes.items[usize(grouped.data0.node_id)]
+    try testing.expect_equal(ast.NodeKind.block, grouped_block.kind)
+    try testing.expect_equal(
+        usize(1),
+        usize(grouped_block.data1.extra_id) - usize(grouped_block.data0.extra_id),
+    )
+
+    renderer := ast_renderer.init(mem.c_allocator)
+    defer ast_renderer.deinit(&renderer)
+    try ast_renderer.render_token_stream(
+        &renderer,
+        root_id,
+        &parse_state,
+        scan_state.tokens.items,
+    )
+
+    try testing.expect_equal(scan_state.tokens.items.len, renderer.tokens.items.len)
+    for scan_state.tokens.items |expected, i| {
+        actual :: renderer.tokens.items[i]
+        try testing.expect_equal(expected.kind, actual.kind)
+        try testing.expect_equal(expected.start, actual.start)
+        try testing.expect_equal(expected.str_id, actual.str_id)
+    }
+}

source/strpool/strpool.hon

@@ -0,0 +1,66 @@
+import "@std/mem"
+import "@std/arraylist"
+import "@std/hashmap"
+
+InternError :: enum { out_of_space }
+
+StringId :: alias u32
+
+NO_STR :: maxval!(StringId)
+
+# cross-cutting concern, hence global singleton (owned by main.hon)
+STRINGS StringPool := undefined
+
+StringPool :: struct {
+    ids hashmap.StringHashMap(StringId) # string → id
+    strings arraylist.ArrayList([]u8)   # id → owned string
+    allocator mem.Allocator
+}
+
+init proc(allocator mem.Allocator) StringPool {
+    return StringPool{
+        ids = hashmap.init(allocator),
+        strings = arraylist.init(allocator),
+        allocator = allocator,
+    }
+}
+
+deinit proc(pool @mut StringPool) void {
+    hashmap.deinit(&pool.ids)
+    for pool.strings.items |str| {
+        mem.free(pool.allocator, str)
+    }
+    arraylist.deinit(&pool.strings)
+}
+
+intern proc(pool @mut StringPool, str []u8) StringId ! (mem.AllocError | InternError) {
+    if hashmap.get(&pool.ids, str) |id| return id
+
+    if (pool.strings.items.len >= usize(NO_STR)) return .out_of_space
+    id StringId :: StringId(pool.strings.items.len)
+
+    owned_str []mut u8 :: try mem.alloc(u8, pool.allocator, str.len)
+    errdefer mem.free(pool.allocator, owned_str)
+    memcopy!(owned_str, str)
+
+    try arraylist.append(&pool.strings, owned_str)
+    errdefer _ = arraylist.pop(&pool.strings)
+
+    hashmap.put(&pool.ids, owned_str, id) catch |err| {
+        match err {
+            .key_exists: unreachable
+            else: return err
+        }
+    }
+
+    return id
+}
+
+get_str proc(pool @StringPool, id StringId) ?[]u8 {
+    if (usize(id) >= pool.strings.items.len) return null
+    return pool.strings.items[usize(id)]
+}
+
+get_id proc(pool @StringPool, str []u8) ?StringId {
+    return hashmap.get(&pool.ids, str)
+}

source/strpool/strpool.test.hon

@@ -0,0 +1,24 @@
+import "@std/mem"
+import "@std/testing"
+
+handles_interning test {
+    pool StringPool := init(mem.c_allocator)
+    defer deinit(&pool)
+
+    input [5]mut u8 := ['h', 'e', 'l', 'l', 'o']
+    id :: try intern(&pool, input[..])
+    duplicate :: try intern(&pool, "hello")
+    input[0] = 'j'
+
+    same_id :: get_id(&pool, "hello")
+    mutated_id :: get_id(&pool, input[..])
+    hello_str :: get_str(&pool, id)
+    invalid_str :: get_str(&pool, id + 1)
+
+    try testing.expect_equal(0, id)
+    try testing.expect_equal(id, duplicate)
+    try testing.expect_equal(id, same_id?)
+    try testing.expect_equal(null, mutated_id)
+    try testing.expect_equal(null, invalid_str)
+    try testing.expect_equal("hello", hello_str?)
+}

source/token.hon

@@ -1,24 +0,0 @@
-TokenKind :: enum {
-    ident
-    int
-    float
-    string
-
-    equal
-    double_colon
-
-    left_paren
-    right_paren
-    left_curly
-    right_curly
-
-    newline
-
-    invalid
-    eof
-}
-
-Token :: struct {
-    kind TokenKind
-    start int
-}

std/arraylist/arraylist.hon

@@ -1,6 +1,6 @@
 import "@std/mem"
 
-ArrayList func($T type) type {
+ArrayList proc($T type) type {
     return struct {
         items []mut T
         capacity usize
@@ -8,7 +8,7 @@ ArrayList func($T type) type {
     }
 }
 
-init func($T type, allocator mem.Allocator) ArrayList(T) {
+init proc($T type, allocator mem.Allocator) ArrayList(T) {
     return ArrayList(T) {
         items = mem.empty(T),
         capacity = 0,
@@ -16,29 +16,29 @@ init func($T type, allocator mem.Allocator) ArrayList(T) {
     }
 }
 
-deinit func($T type, list @mut ArrayList(T)) void {
-	allocation []mut T :: list.items.ptr[..list.capacity]
+deinit proc($T type, list @mut ArrayList(T)) void {
+    allocation :: list.items.ptr[..list.capacity]
     mem.free(list.allocator, allocation)
     list.items = mem.empty(T)
     list.capacity = 0
 }
 
-reserve func($T type, list @mut ArrayList(T), minimum_capacity usize) void ! mem.AllocError {
-	if minimum_capacity <= list.capacity {
+reserve proc($T type, list @mut ArrayList(T), min_capacity usize) void ! mem.AllocError {
+    if min_capacity <= list.capacity {
         return
     }
 
-	new_capacity usize = 8
+    new_capacity := 8
     if list.capacity >= 8 {
-		half usize :: divtrunc!(list.capacity, 2)
+        half :: divtrunc!(list.capacity, 2)
         if list.capacity > maxval!(usize) - half {
-			new_capacity = minimum_capacity
+            new_capacity = min_capacity
         } else {
             new_capacity = list.capacity + half
         }
     }
-	if new_capacity < minimum_capacity {
-		new_capacity = minimum_capacity
+    if new_capacity < min_capacity {
+        new_capacity = min_capacity
     }
 
     length usize :: list.items.len
@@ -51,7 +51,7 @@ reserve func($T type, list @mut ArrayList(T), minimum_capacity usize) void ! mem
     return
 }
 
-append func($T type, list @mut ArrayList(T), value T) void ! mem.AllocError {
+append proc($T type, list @mut ArrayList(T), value T) void ! mem.AllocError {
     length usize :: list.items.len
     if length == maxval!(usize) {
         return .out_of_memory
@@ -62,6 +62,13 @@ append func($T type, list @mut ArrayList(T), value T) void ! mem.AllocError {
     return
 }
 
-clear func($T type, list @mut ArrayList(T)) void {
+pop proc($T type, list @mut ArrayList(T)) ?T {
+    if (list.items.len == 0) return null
+    value :: list.items[list.items.len - 1]
+    list.items = list.items.ptr[..list.items.len - 1]
+    return value
+}
+
+clear proc($T type, list @mut ArrayList(T)) void {
     list.items = list.items.ptr[..0]
 }

std/arraylist/arraylist.test.hon

@@ -0,0 +1,32 @@
+import "@std/mem"
+import "@std/testing"
+
+handles_append test {
+    list ArrayList(i32) := init(mem.c_allocator)
+    defer deinit(&list)
+
+    try append(&list, 42)
+
+    try testing.expect_equal(1, list.items.len)
+    try testing.expect_equal(42, list.items[0])
+}
+
+handles_clear test {
+    list ArrayList(i32) := init(mem.c_allocator)
+    defer deinit(&list)
+
+    try append(&list, 42)
+    clear(&list)
+
+    try testing.expect_equal(0, list.items.len)
+}
+
+handles_reserve test {
+    list ArrayList(i32) := init(mem.c_allocator)
+    defer deinit(&list)
+
+    try reserve(&list, 10)
+
+    try testing.expect_equal(10, list.capacity)
+    try testing.expect_equal(0, list.items.len)
+}

std/build/build.hon

@@ -5,13 +5,13 @@
 # build.bro, reads the config, and writes root/build/name.
 #
 # Declarative and literal-only: one executable per build. List fields take an
-# address-of an array literal (`&["raylib"]`); empty lists are written `&[]`.
+# address-of an array literal (`&["raylib"]`) and default to empty.
 BuildConfig :: struct {
     name []u8              # output executable name under root/build
     source []u8            # program package directory, relative to build.bro
-	libraries [][]u8    # library names to link (-l)
-	lib_paths [][]u8    # library search directories (-L)
-	includes  [][]u8    # C include directories (-I)
-	defines   [][]u8    # C preprocessor defines (name or name=value)
-	links     [][]u8    # extra linker inputs (object/source files, -framework pairs)
+    libraries [][]u8 = &[] # library names to link (-l)
+    lib_paths [][]u8 = &[] # library search directories (-L)
+    includes [][]u8 = &[]  # C include directories (-I)
+    defines [][]u8 = &[]   # C preprocessor defines (name or name=value)
+    links [][]u8 = &[]     # extra linker inputs (object/source files, -framework pairs)
 }

std/debug/debug.hon

@@ -1,36 +1,39 @@
 import "@ffi/c"
 import "@std/io"
 
-hide write func(_ ?*mut anyopaque, _ io.WriteStream, bytes []u8) usize ! io.WriteError {
-	request usize = bytes.len
-	maximum usize :: usize(maxval!(c_long))
+assert proc(ok bool) void {
+    if (!ok) unreachable
+}
+
+unimplemented proc() noreturn {
+    print("not yet implemented\n", {})
+    c.abort()
+    unreachable
+}
+
+print proc($format []u8, $Args type, args Args) void {
+    writer :: io.Writer{
+        context = null,
+        handle = io.Handle{ file_desc = c_int(io.Stream.stderr) },
+        write = write,
+    }
+    io.print(writer, format, Args, args) catch |_| {}
+}
+
+@hide
+write proc(_ ?@mut anyopaque, handle io.Handle, bytes []u8) usize ! io.WriteError {
+    request := bytes.len
+    maximum :: usize(maxval!(c_long))
     if request > maximum {
         request = maximum
     }
     while true {
-		count c_long :: c.write(2, bytes.ptr, c_ulong(request))
+        count :: c.write(handle.file_desc, bytes.ptr, c_ulong(request))
         if count >= 0 {
             return usize(count)
         }
-		if c.__error()^ != 4 {
+        if c.__error()?^ != c.EINTR {
             return .write_failed
         }
     }
 }
-
-hide read func(_ ?*mut anyopaque, _ io.ReadStream, _ []mut u8) usize ! io.ReadError {
-	return .read_failed
-}
-
-hide vtable io.IoVTable :: io.IoVTable {
-	read = read,
-	write = write,
-}
-
-print func($format []u8, $Args type, args Args) void {
-	writer io.Writer :: io.Writer {
-		impl = io.Io {context = none, vtable = &vtable},
-		stream = .stderr,
-	}
-	io.print(writer, format, Args, args) catch |_| {}
-}

std/enums/enummap/enummap.hon

@@ -0,0 +1,45 @@
+import "@std/meta"
+
+EnumMap proc($E, $V type) type {
+    match typeinfo!(E) {
+        .enum |info|: return struct {
+            present [info.fields.len]mut bool # fixme: replace with bitset
+               values [info.fields.len]mut V
+        }
+        else: compile_error!("EnumMap key must be an enum")
+    }
+}
+
+init proc(
+    $E, $V type,
+    values meta.EnumFieldStruct(E, ?V, some!(null)),
+) EnumMap(E, V) {
+    map EnumMap(E, V) := undefined
+
+    match typeinfo!(E) {
+        .enum |info|: inline for info.fields |field, i| {
+            map.present[i] = false
+
+            if field!(values, field.name) |value| {
+                map.present[i] = true
+                map.values[i] = value
+            }
+        }
+        else: compile_error!("EnumMap key must be an enum")
+    }
+
+    return map
+}
+
+get proc($E, $V type, map @EnumMap(E, V), key E) ?V {
+    # fixme: linear lookup; implement an enum index/discriminant map for O(1) lookup
+    match typeinfo!(E) {
+        .enum |info|: inline for info.fields |field, i| {
+            if key == field!(E, field.name) {
+                if (map.present[i]) return map.values[i]
+                return null
+            }
+        }
+        else: compile_error!("EnumMap key must be an enum")
+    }
+}

std/enums/enummap/enummap.test.hon

@@ -0,0 +1,25 @@
+import "@std/mem"
+import "@std/testing"
+
+TestEnum :: enum(u8) {
+    ident = 3
+    int = 8
+    eof = 21
+}
+
+handles_sparse_enum_get test {
+    names EnumMap(TestEnum, []u8) := init({
+        ident = "identifier",
+        int = "integer",
+    })
+
+    ident :: get(&names, TestEnum.ident)
+
+    try testing.expect_type(?[]u8, ident)
+    try testing.expect(mem.eql("identifier", ident?))
+
+    eof :: get(&names, TestEnum.eof)
+
+    try testing.expect_type(?[]u8, eof)
+    try testing.expect_equal(null, eof)
+}

std/hashmap/hashmap.hon

@@ -0,0 +1,159 @@
+import "@std/mem"
+
+PutError :: enum { key_exists }
+
+Entry proc($K, $V type) type {
+    return struct {
+        # hash = 0 means empty
+        hash usize = 0
+        key K
+        value V
+    }
+}
+
+HashMap proc(
+    $K, $V type,
+    $hash_key proc(key K) usize,
+    $keys_eql proc(a, b K) bool,
+) type {
+    return struct {
+        entries []mut Entry(K, V)
+        count usize
+        allocator mem.Allocator
+    }
+}
+
+StringHashMap proc($V type) type {
+    return HashMap([]u8, V, str_hash, str_eql)
+}
+
+init proc(
+    $K, $V type,
+    $hash_key proc(key K) usize,
+    $keys_eql proc(a, b K) bool,
+    allocator mem.Allocator,
+) HashMap(K, V, hash_key, keys_eql) {
+    return HashMap(K, V, hash_key, keys_eql){
+        entries = mem.empty(Entry(K, V)),
+        count = 0,
+        allocator = allocator,
+    }
+}
+
+#! free the entries in the hash map.
+#! note: this operation invalidates the map.
+deinit proc(
+    $K, $V type,
+    $hash_key proc(key K) usize,
+    $keys_eql proc(a, b K) bool,
+    map @HashMap(K, V, hash_key, keys_eql),
+) void { mem.free(map.allocator, map.entries) }
+
+get proc(
+    $K, $V type,
+    $hash_key proc(key K) usize,
+    $keys_eql proc(a, b K) bool,
+    map @HashMap(K, V, hash_key, keys_eql),
+    key K,
+) ?V {
+    if (map.count == 0) return null
+
+    hash :: normalize(hash_key(key))
+    idx := hash & (map.entries.len - 1)
+
+    while true {
+        entry :: map.entries[idx]
+        if (entry.hash == 0) return null
+
+        if (entry.hash == hash and keys_eql(entry.key, key)) {
+            return entry.value
+        }
+
+        idx = (idx + 1) & (map.entries.len - 1)
+    }
+}
+
+put proc(
+    $K, $V type,
+    $hash_key proc(key K) usize,
+    $keys_eql proc(a, b K) bool,
+    map @mut HashMap(K, V, hash_key, keys_eql),
+    key K,
+    value V,
+) void ! (PutError | mem.AllocError) {
+    # check grow
+    threshold :: map.entries.len - divtrunc!(map.entries.len, 4)
+    if (map.entries.len == 0 or map.count + 1 > threshold) {
+        old_entries :: map.entries
+        new_size :: if (old_entries.len > 0) old_entries.len * 2 else 8
+        new_entries :: try mem.alloc(Entry(K, V), map.allocator, new_size)
+
+        # zero new entries
+        for (0..new_entries.len) |i| new_entries[i].hash = 0
+
+        # move old entries
+        for old_entries |entry| {
+            if (entry.hash == 0) continue
+
+            # find an empty slot
+            idx := entry.hash & (new_entries.len - 1)
+            while new_entries[idx].hash != 0 {
+                idx = (idx + 1) & (new_entries.len - 1)
+            }
+
+            new_entries[idx] = entry
+        }
+
+        map.entries = new_entries
+        mem.free(map.allocator, old_entries)
+    }
+
+    # put new entry
+    hash :: normalize(hash_key(key))
+    idx := hash & (map.entries.len - 1)
+
+    while true {
+        entry :: map.entries[idx]
+        if entry.hash == 0 {
+            map.entries[idx] = Entry(K, V){
+                hash = hash,
+                key = key,
+                value = value,
+            }
+            map.count += 1
+            return
+        }
+
+        if entry.hash == hash and keys_eql(entry.key, key) {
+            return .key_exists
+        }
+
+        idx = (idx + 1) & (map.entries.len - 1)
+    }
+}
+
+@hide
+normalize proc(hash usize) usize {
+    # mapping both 0 and 1 to 1 is safe because equality resolves
+    # collisions (since hash and key must both be equal).
+    if (hash == 0) return 1
+    return hash
+}
+
+#! FNV-1a hash implementation.
+#! note: vulnerable to collision attacks.
+@hide
+str_hash proc(key []u8) usize {
+    hash u32 := 2166136261 # offset basis
+    prime u32 := 16777619
+
+    for key |byte| {
+        product u64 :: u64(hash xor u32(byte)) * prime
+        hash = u32(product & u64(maxval!(u32)))
+    }
+
+    return usize(hash)
+}
+
+@hide
+str_eql proc(a, b []u8) bool { return mem.eql(a, b) }

std/hashmap/hashmap.test.hon

@@ -0,0 +1,13 @@
+import "@std/mem"
+import "@std/testing"
+
+handles_put_and_get test {
+    map StringHashMap(u32) := init(mem.c_allocator)
+    defer deinit(&map)
+
+    try put(&map, "key", 42)
+    value :: get(&map, "key")
+
+    try testing.expect_type(?u32, value)
+    try testing.expect_equal(42, value?)
+}

std/io/file.hon

@@ -0,0 +1,124 @@
+import "@ffi/c"
+
+File :: struct {
+    io Io
+    handle Handle
+}
+
+FileMode :: enum {
+    read_only
+    write_only
+    read_write
+}
+
+OpenError :: enum {
+    open_failed
+}
+
+CloseError :: enum {
+    close_failed
+}
+
+open proc(io Io, path [;0]u8, mode FileMode) File ! OpenError {
+    handle Handle :: try io.vtable.open(io.context, path, mode)
+    return File{ io = io, handle = handle }
+}
+
+close proc(file File) void ! CloseError {
+    try file.io.vtable.close(file.io.context, file.handle)
+}
+
+reader proc(file File) Reader {
+    return Reader {
+        context = file.io.context,
+        handle = file.handle,
+        read = file.io.vtable.read,
+    }
+}
+
+writer proc(file File) Writer {
+    return Writer {
+        context = file.io.context,
+        handle = file.handle,
+        write = file.io.vtable.write,
+    }
+}
+
+@hide system_read proc(_ ?@mut anyopaque, handle Handle, buffer []mut u8) usize ! ReadError {
+    request := buffer.len
+    maximum usize :: usize(maxval!(c_long))
+    if (request > maximum) request = maximum
+
+    while true {
+        count c_long :: c.read(handle.file_desc, buffer.ptr, c_ulong(request))
+        if (count >= 0) return usize(count)
+
+        errno c_int :: c.__error()?^
+        if (errno == c.EINTR) continue
+        if (errno == c.EBADF) return .not_open_for_reading
+        return .read_failed
+    }
+}
+
+@hide system_write proc(_ ?@mut anyopaque, handle Handle, bytes []u8) usize ! WriteError {
+    request := bytes.len
+    maximum usize :: usize(maxval!(c_long))
+    if (request > maximum) request = maximum
+
+    while true {
+        count c_long :: c.write(handle.file_desc, bytes.ptr, c_ulong(request))
+        if (count >= 0) return usize(count)
+
+        errno c_int :: c.__error()?^
+        if (errno == c.EINTR) continue
+        if (errno == c.EBADF) return .not_open_for_writing
+        return .write_failed
+    }
+}
+
+@hide system_open proc(_ ?@mut anyopaque, path [;0]u8, mode FileMode) Handle ! OpenError {
+    flags := c.O_RDONLY
+    match mode {
+        .read_only: flags = c.O_RDONLY
+        .write_only: flags = c.O_WRONLY
+        .read_write: flags = c.O_RDWR
+    }
+    while true {
+        fd c_int :: c.open(ptrcast!(c_char, path.ptr), flags)
+        if (fd >= 0) return Handle{ file_desc = fd }
+        if (c.__error()?^ != c.EINTR) return .open_failed
+    }
+}
+
+@hide system_close proc(_ ?@mut anyopaque, handle Handle) void ! CloseError {
+    if (c.close(handle.file_desc) != 0) return .close_failed
+}
+
+@hide system_stdin proc(_ ?@mut anyopaque) Handle {
+    return Handle{ file_desc = c_int(Stream.stdin) }
+}
+
+@hide system_stdout proc(_ ?@mut anyopaque) Handle {
+    return Handle{ file_desc = c_int(Stream.stdout) }
+}
+
+@hide system_stderr proc(_ ?@mut anyopaque) Handle {
+    return Handle{ file_desc = c_int(Stream.stderr) }
+}
+
+@hide system_vtable IoVTable :: IoVTable {
+    read = system_read,
+    write = system_write,
+    open = system_open,
+    close = system_close,
+    stdin = system_stdin,
+    stdout = system_stdout,
+    stderr = system_stderr,
+}
+
+@hide system proc() Io {
+    return Io {
+        context = null,
+        vtable = &system_vtable,
+    }
+}

std/io/io.hon

@@ -2,136 +2,181 @@ import "@ffi/c"
 import "@std/meta"
 
 ReadError :: enum {
+    not_open_for_reading
     read_failed
 }
 
 WriteError :: enum {
+    not_open_for_writing
     write_failed
     no_progress
 }
 
+Handle :: union {
+    file_desc c_int
+    ptr @mut anyopaque
+}
+
+Stream :: enum(c_int) {
+    stdin = c.STDIN_FILENO
+    stdout = c.STDOUT_FILENO
+    stderr = c.STDERR_FILENO
+}
+
 Io :: struct {
-	context ?*mut anyopaque
+    context ?@mut anyopaque
     vtable @IoVTable
 }
 
 IoVTable :: struct {
-	read @func(context ?*mut anyopaque, stream ReadStream, buffer []mut u8) usize ! ReadError
-	write @func(context ?*mut anyopaque, stream WriteStream, bytes []u8) usize ! WriteError
-}
-
-ReadStream :: enum(c_int) {
-	stdin = 0
-}
-
-WriteStream :: enum(c_int) {
-	stdout = 1
-	stderr = 2
+    read @proc(context ?@mut anyopaque, handle Handle, buffer []mut u8) usize ! ReadError
+    write @proc(context ?@mut anyopaque, handle Handle, bytes []u8) usize ! WriteError
+    open @proc(context ?@mut anyopaque, path [;0]u8, mode FileMode) Handle ! OpenError
+    close @proc(context ?@mut anyopaque, handle Handle) void ! CloseError
+    stdin @proc(context ?@mut anyopaque) Handle
+    stdout @proc(context ?@mut anyopaque) Handle
+    stderr @proc(context ?@mut anyopaque) Handle
 }
 
 Reader :: struct {
-	impl Io
-	stream ReadStream
+    context ?@mut anyopaque
+    handle Handle
+    read @proc(context ?@mut anyopaque, handle Handle, buffer []mut u8) usize ! ReadError
 }
 
 Writer :: struct {
-	impl Io
-	stream WriteStream
+    context ?@mut anyopaque
+    handle Handle
+    write @proc(context ?@mut anyopaque, handle Handle, bytes []u8) usize ! WriteError
 }
 
-read func(reader Reader, buffer []mut u8) usize ! ReadError {
-	if buffer.len == 0 {
-		return 0
-	}
-	count usize :: try reader.impl.vtable.read(reader.impl.context, reader.stream, buffer)
-	if count > buffer.len {
-		return .read_failed
-	}
+read proc(input Reader, buffer []mut u8) usize ! ReadError {
+    if (buffer.len == 0) return 0
+
+    count usize :: try input.read(input.context, input.handle, buffer)
+    if (count > buffer.len) return .read_failed
+
     return count
 }
 
-write func(writer Writer, bytes []u8) usize ! WriteError {
-	if bytes.len == 0 {
-		return 0
-	}
-	count usize :: try writer.impl.vtable.write(writer.impl.context, writer.stream, bytes)
-	if count > bytes.len {
-		return .write_failed
-	}
+write proc(output Writer, bytes []u8) usize ! WriteError {
+    if (bytes.len == 0) return 0
+
+    count usize :: try output.write(output.context, output.handle, bytes)
+    if (count > bytes.len) return .write_failed
+
     return count
 }
 
-write_all func(writer Writer, bytes []u8) void ! WriteError {
-	offset usize = 0
+write_all proc(output Writer, bytes []u8) void ! WriteError {
+    offset usize := 0
     while offset < bytes.len {
-		count usize :: write(writer, bytes[offset..]) catch |err| {
-			return err
-		}
-		if count == 0 {
-			return .no_progress
-		}
+        count usize :: try write(output, bytes[offset..])
+        if (count == 0) return .no_progress
         offset += count
     }
-	return
 }
 
-hide write_integer_signed func(writer Writer, value i64, base u64, uppercase bool) void ! WriteError {
-	buffer [65]mut u8 = undefined
-	end usize = buffer.len
-	current i64 = value
+stdin proc(io Io) Reader {
+    return Reader {
+        context = io.context,
+        handle = io.vtable.stdin(io.context),
+        read = io.vtable.read,
+    }
+}
+
+stdout proc(io Io) Writer {
+    return Writer {
+        context = io.context,
+        handle = io.vtable.stdout(io.context),
+        write = io.vtable.write,
+    }
+}
+
+stderr proc(io Io) Writer {
+    return Writer {
+        context = io.context,
+        handle = io.vtable.stderr(io.context),
+        write = io.vtable.write,
+    }
+}
+
+print proc(output Writer, $format []u8, $Args type, args Args) void ! WriteError {
+    inline for parse_format(format.len, format, Args) |token| {
+        match token.kind {
+            .unused: break
+            .literal: try write_all(output, format[token.start..token.end])
+            .string: try write_all(output, field!(args, token.field))
+            .default: try write_default(output, field!(args, token.field))
+            .decimal: try write_decimal(output, field!(args, token.field))
+            .binary: try write_integer(output, field!(args, token.field), 2, false)
+            .octal: try write_integer(output, field!(args, token.field), 8, false)
+            .hex_lower: try write_integer(output, field!(args, token.field), 16, false)
+            .hex_upper: try write_integer(output, field!(args, token.field), 16, true)
+            .character: try write_character(output, field!(args, token.field))
+            else: try write_float(output, field!(args, token.field), true)
+        }
+    }
+}
+
+@hide:file
+write_integer_signed proc(output Writer, value i64, base u64, uppercase bool) void ! WriteError {
+    buffer [65]mut u8 := undefined
+    end := buffer.len
+    current := value
+
     while true {
         digit_value i64 :: rem!(current, i64(base))
-		digit u8 = 0
-		if digit_value < 0 {
-			digit = u8(-digit_value)
-		} else {
-			digit = u8(digit_value)
-		}
+        digit := if (digit_value < 0)
+            u8(-digit_value)
+        else
+            u8(digit_value)
+
         end -= 1
-		if digit < 10 {
-			buffer[end] = '0' + digit
-		} else if uppercase {
-			buffer[end] = 'A' + digit - 10
-		} else {
-			buffer[end] = 'a' + digit - 10
-		}
+        buffer[end] = if (digit < 10)
+            '0' + digit
+        else if (uppercase)
+            'A' + digit - 10
+        else
+            'a' + digit - 10
+
         current = divtrunc!(current, i64(base))
-		if current == 0 {
-			break
-		}
+        if (current == 0) break
     }
+
     if value < 0 {
         end -= 1
         buffer[end] = '-'
     }
-	try write_all(writer, buffer[end..])
-	return
+    try write_all(output, buffer[end..])
 }
 
-hide write_integer_unsigned func(writer Writer, value u64, base u64, uppercase bool) void ! WriteError {
-	buffer [65]mut u8 = undefined
-	end usize = buffer.len
-	current u64 = value
+@hide:file
+write_integer_unsigned proc(output Writer, value u64, base u64, uppercase bool) void ! WriteError {
+    buffer [65]mut u8 := undefined
+    end := buffer.len
+    current := value
+
     while true {
         digit u8 :: u8(rem!(current, base))
+
         end -= 1
-		if digit < 10 {
-			buffer[end] = '0' + digit
-		} else if uppercase {
-			buffer[end] = 'A' + digit - 10
-		} else {
-			buffer[end] = 'a' + digit - 10
-		}
+        buffer[end] = if (digit < 10)
+            '0' + digit
+        else if (uppercase)
+            'A' + digit - 10
+        else
+            'a' + digit - 10
+
         current = divtrunc!(current, base)
-		if current == 0 {
-			break
-		}
-	}
-	try write_all(writer, buffer[end..])
-	return
+        if (current == 0) break
     }
 
-hide FormatTokenKind :: enum {
+    try write_all(output, buffer[end..])
+}
+
+@hide:file
+FormatTokenKind :: enum {
     unused
     literal
     default
@@ -145,33 +190,34 @@ hide FormatTokenKind :: enum {
     scientific
 }
 
-hide FormatToken :: struct {
+@hide:file
+FormatToken :: struct {
     kind FormatTokenKind
     start usize
     end usize
     field []u8
 }
 
-hide parse_format func($N usize, $format []u8, $Args type) [N]mut FormatToken {
-	tokens [N]mut FormatToken = undefined
+@hide:file
+parse_format proc($N usize, $format []u8, $Args type) [N]mut FormatToken {
+    tokens [N]mut FormatToken := undefined
     for (usize(0))..format.len |index| {
         tokens[index] = FormatToken{ kind = .unused, start = 0, end = 0, field = "" }
     }
-	field_count usize = 0
+
+    field_count := 0
     match typeinfo!(Args) {
-		.record |record|: {
-			if !record.is_tuple {
-				compile_error!("io.print arguments must be a tuple")
-			}
-			field_count = record.fields.len
+        .record |r|: {
+            if (!r.is_tuple) compile_error!("io.print arguments must be a tuple")
+            field_count = r.fields.len
         }
         else: compile_error!("io.print arguments must be a tuple")
     }
 
-	token_count usize = 0
-	argument_count usize = 0
-	literal_start usize = 0
-	cursor usize = 0
+    token_count := 0
+    argument_count := 0
+    literal_start := 0
+    cursor := 0
     while cursor < format.len {
         byte :: format[cursor]
         if byte == '{' {
@@ -179,68 +225,84 @@ hide parse_format func($N usize, $format []u8, $Args type) [N]mut FormatToken {
                 compile_error!("io.print format has an unmatched '{'")
             }
             if cursor > literal_start {
-				tokens[token_count] = FormatToken {kind = .literal, start = literal_start, end = cursor, field = ""}
+                tokens[token_count] = FormatToken{
+                    kind = .literal,
+                    start = literal_start,
+                    end = cursor,
+                    field = "",
+                }
                 token_count += 1
             }
             next :: format[cursor + 1]
             if next == '{' {
-				tokens[token_count] = FormatToken {kind = .literal, start = cursor, end = cursor + 1, field = ""}
+                tokens[token_count] = FormatToken{
+                    kind = .literal,
+                    start = cursor,
+                    end = cursor + 1,
+                    field = "",
+                }
                 token_count += 1
                 cursor += 2
                 literal_start = cursor
                 continue
             }
-			kind FormatTokenKind = .default
-			width usize = 2
+
+            kind FormatTokenKind := .default
+            width := 2
             if next != '}' {
                 if cursor + 2 >= format.len or format[cursor + 2] != '}' {
                     compile_error!("io.print format expects a one-character specifier")
                 }
+
                 width = 3
-				if next == 's' {
-					kind = .string
-				} else if next == 'd' {
-					kind = .decimal
-				} else if next == 'b' {
-					kind = .binary
-				} else if next == 'o' {
-					kind = .octal
-				} else if next == 'x' {
-					kind = .hex_lower
-				} else if next == 'X' {
-					kind = .hex_upper
-				} else if next == 'c' {
-					kind = .character
-				} else if next == 'e' {
-					kind = .scientific
-				} else {
-					compile_error!("io.print format has an unknown specifier")
-				}
+                if (next == 's') kind = .string
+                else if (next == 'd') kind = .decimal
+                else if (next == 'b') kind = .binary
+                else if (next == 'o') kind = .octal
+                else if (next == 'x') kind = .hex_lower
+                else if (next == 'X') kind = .hex_upper
+                else if (next == 'c') kind = .character
+                else if (next == 'e') kind = .scientific
+                else compile_error!("io.print format has an unknown specifier")
             }
+
             if argument_count >= field_count {
                 compile_error!("io.print format argument count does not match the tuple")
             }
+
             tokens[token_count] = FormatToken{
                 kind = kind,
                 start = 0,
                 end = 0,
                 field = format_field_name(Args, argument_count),
             }
+
             token_count += 1
             argument_count += 1
             cursor += width
             literal_start = cursor
             continue
         }
+
         if byte == '}' {
             if cursor + 1 >= format.len or format[cursor + 1] != '}' {
                 compile_error!("io.print format has an unmatched '}'")
             }
             if cursor > literal_start {
-				tokens[token_count] = FormatToken {kind = .literal, start = literal_start, end = cursor, field = ""}
+                tokens[token_count] = FormatToken{
+                    kind = .literal,
+                    start = literal_start,
+                    end = cursor,
+                    field = "",
+                }
                 token_count += 1
             }
-			tokens[token_count] = FormatToken {kind = .literal, start = cursor, end = cursor + 1, field = ""}
+            tokens[token_count] = FormatToken{
+                kind = .literal,
+                start = cursor,
+                end = cursor + 1,
+                field = "",
+            }
             token_count += 1
             cursor += 2
             literal_start = cursor
@@ -248,172 +310,151 @@ hide parse_format func($N usize, $format []u8, $Args type) [N]mut FormatToken {
         }
         cursor += 1
     }
+
     if literal_start < format.len {
-		tokens[token_count] = FormatToken {kind = .literal, start = literal_start, end = format.len, field = ""}
+        tokens[token_count] = FormatToken{
+            kind = .literal,
+             start = literal_start,
+            end = format.len,
+            field = "",
         }
+    }
+
     if argument_count != field_count {
         compile_error!("io.print format argument count does not match the tuple")
     }
     return tokens
 }
 
-hide format_field_name func($T type, index usize) []u8 {
+@hide:file
+format_field_name proc($T type, index usize) []u8 {
     match typeinfo!(T) {
-		.record |record|: return record.fields[index].name
+        .record |r|: return r.fields[index].name
         else: compile_error!("io.print arguments must be a tuple")
     }
 }
 
-hide write_integer func(writer Writer, $T type, value T, base u64, uppercase bool) void ! WriteError {
+@hide:file
+distinct_value proc($Backing, $Distinct type, value Distinct) Backing {
+    return ptrcast!(Backing, &value)^
+}
+
+@hide:file
+scalar_or_distinct_type proc($T type) bool {
+    match typeinfo!(T) {
+        .bool: return true
+        .integer: return true
+        .float: return true
+        .distinct: return true
+        else: return false
+    }
+}
+
+@hide:file
+write_integer proc(output Writer, $T type, value T, base u64, uppercase bool) void ! WriteError {
     match typeinfo!(T) {
         .integer: if minval!(T) < 0 {
-			try write_integer_signed(writer, i64(value), base, uppercase)
+            try write_integer_signed(output, i64(value), base, uppercase)
         } else {
-			try write_integer_unsigned(writer, u64(value), base, uppercase)
+            try write_integer_unsigned(output, u64(value), base, uppercase)
+        }
+        .distinct |backing|: if scalar_or_distinct_type(backing) {
+            try write_integer(output, distinct_value(backing, T, value), base, uppercase)
+        } else {
+            compile_error!("io.print integer format requires an integer argument")
         }
         else: compile_error!("io.print integer format requires an integer argument")
     }
-	return
 }
 
 # note: libc keeps float formatting small; replace it with a native shortest-roundtrip writer if locale independence matters.
-hide write_float func(writer Writer, $T type, value T, scientific bool) void ! WriteError {
+@hide:file
+write_float proc(output Writer, $T type, value T, scientific bool) void ! WriteError {
     match typeinfo!(T) {
         .float: {
-			buffer [64]mut u8 = undefined
-			count c_int = 0
+            buffer [64]mut u8 := undefined
+            count := 0
             if sizeof!(T) == 4 {
-				if scientific {
-					count = c.snprintf(ptrcast!(c_char, (&buffer).ptr), c_ulong(buffer.len), "%.8e", value)
-				} else {
-					count = c.snprintf(ptrcast!(c_char, (&buffer).ptr), c_ulong(buffer.len), "%.9g", value)
-				}
+                if (scientific) count = c.snprintf(ptrcast!(c_char, (&buffer).ptr), c_ulong(buffer.len), "%.8e", value)
+                else count = c.snprintf(ptrcast!(c_char, (&buffer).ptr), c_ulong(buffer.len), "%.9g", value)
             } else if scientific {
                 count = c.snprintf(ptrcast!(c_char, (&buffer).ptr), c_ulong(buffer.len), "%.16e", value)
             } else {
                 count = c.snprintf(ptrcast!(c_char, (&buffer).ptr), c_ulong(buffer.len), "%.17g", value)
             }
-			if count < 0 or usize(count) >= buffer.len {
-				return .write_failed
+            if (count < 0 or usize(count) >= buffer.len) return .write_failed
+            try write_all(output, buffer[0..usize(count)])
         }
-			try write_all(writer, buffer[0..usize(count)])
+        .distinct |backing|: if scalar_or_distinct_type(backing) {
+            try write_float(output, distinct_value(backing, T, value), scientific)
+        } else {
+            compile_error!("io.print float format requires a float argument")
         }
         else: compile_error!("io.print float format requires a float argument")
     }
-	return
 }
 
-hide write_decimal func(writer Writer, $T type, value T) void ! WriteError {
+@hide:file
+write_decimal proc(output Writer, $T type, value T) void ! WriteError {
     match typeinfo!(T) {
-		.integer: try write_integer(writer, value, 10, false)
-		.float: try write_float(writer, value, false)
+        .integer: try write_integer(output, value, 10, false)
+        .float: try write_float(output, value, false)
+        .distinct |backing|: if scalar_or_distinct_type(backing) {
+            try write_decimal(output, distinct_value(backing, T, value))
+        } else {
+            compile_error!("io.print '{d}' requires an integer or float argument")
+        }
         else: compile_error!("io.print '{d}' requires an integer or float argument")
     }
-	return
 }
 
-hide write_character func(writer Writer, $T type, value T) void ! WriteError {
+@hide:file
+write_character proc(output Writer, $T type, value T) void ! WriteError {
     match typeinfo!(T) {
         .integer: {
             if minval!(T) < 0 or maxval!(T) > 255 {
                 compile_error!("io.print '{c}' requires an unsigned integer that fits in u8")
             }
-			buffer [1]u8 = [u8(value)]
-			try write_all(writer, buffer[..])
+            buffer [1]u8 := [u8(value)]
+            try write_all(output, buffer[..])
+        }
+        .distinct |backing|: if scalar_or_distinct_type(backing) {
+            try write_character(output, distinct_value(backing, T, value))
+        } else {
+            compile_error!("io.print '{c}' requires an unsigned integer that fits in u8")
         }
         else: compile_error!("io.print '{c}' requires an unsigned integer that fits in u8")
     }
-	return
 }
 
-hide write_default func(writer Writer, $T type, value T) void ! WriteError {
+@hide:file
+write_default proc(output Writer, $T type, value T) void ! WriteError {
     match typeinfo!(T) {
         .bool: if value {
-			try write_all(writer, "true")
+            try write_all(output, "true")
         } else {
-			try write_all(writer, "false")
+            try write_all(output, "false")
         }
-		.integer: try write_integer(writer, value, 10, false)
-		.float: try write_float(writer, value, false)
-		.array: try write_all(writer, value)
-		.pointer: try write_all(writer, value)
-		.slice: try write_all(writer, value)
+        .integer: try write_integer(output, value, 10, false)
+        .float: try write_float(output, value, false)
+        .array: try write_all(output, value)
+        .pointer: try write_all(output, value)
+        .slice: try write_all(output, value)
         .enum |enum_info|: {
             inline for enum_info.fields |field| {
                 if value == field!(T, field.name) {
-					try write_all(writer, ".")
-					try write_all(writer, field.name)
+                    try write_all(output, ".")
+                    try write_all(output, field.name)
                     return
                 }
             }
             return .write_failed
         }
+        .distinct |backing|: if scalar_or_distinct_type(backing) {
+            try write_default(output, distinct_value(backing, T, value))
+        } else {
+            compile_error!("io.print '{}' does not support this argument type")
+        }
         else: compile_error!("io.print '{}' does not support this argument type")
     }
-	return
-}
-
-print func(writer Writer, $format []u8, $Args type, args Args) void ! WriteError {
-	inline for parse_format(format.len, format, Args) |token| {
-		match token.kind {
-			.unused: break
-			.literal: try write_all(writer, format[token.start..token.end])
-			.string: try write_all(writer, field!(args, token.field))
-			.default: try write_default(writer, field!(args, token.field))
-			.decimal: try write_decimal(writer, field!(args, token.field))
-			.binary: try write_integer(writer, field!(args, token.field), 2, false)
-			.octal: try write_integer(writer, field!(args, token.field), 8, false)
-			.hex_lower: try write_integer(writer, field!(args, token.field), 16, false)
-			.hex_upper: try write_integer(writer, field!(args, token.field), 16, true)
-			.character: try write_character(writer, field!(args, token.field))
-			else: try write_float(writer, field!(args, token.field), true)
-		}
-	}
-}
-
-hide system_read func(_ ?*mut anyopaque, stream ReadStream, buffer []mut u8) usize ! ReadError {
-	request usize = buffer.len
-	maximum usize :: usize(maxval!(c_long))
-	if request > maximum {
-		request = maximum
-	}
-	while true {
-		count c_long :: c.read(c_int(stream), buffer.ptr, c_ulong(request))
-		if count >= 0 {
-			return usize(count)
-		}
-		if c.__error()^ != 4 {
-			return .read_failed
-		}
-	}
-}
-
-hide system_write func(_ ?*mut anyopaque, stream WriteStream, bytes []u8) usize ! WriteError {
-	fd c_int :: c_int(stream)
-	request usize = bytes.len
-	maximum usize :: usize(maxval!(c_long))
-	if request > maximum {
-		request = maximum
-	}
-	while true {
-		count c_long :: c.write(fd, bytes.ptr, c_ulong(request))
-		if count >= 0 {
-			return usize(count)
-		}
-		if c.__error()^ != 4 {
-			return .write_failed
-		}
-	}
-}
-
-hide system_vtable IoVTable :: IoVTable {
-	read = system_read,
-	write = system_write,
-}
-
-hide system func() Io {
-	return Io {
-		context = none,
-		vtable = &system_vtable,
-	}
 }

std/mem/mem.hon

@@ -5,162 +5,165 @@ AllocError :: enum {
 }
 
 Allocator :: struct {
-	context ?*mut anyopaque
+    context ?@mut anyopaque
     vtable @AllocatorVTable
 }
 
 AllocatorVTable :: struct {
-	alloc @func(context ?*mut anyopaque, size usize, alignment usize) ?*mut u8
-	realloc @func(context ?*mut anyopaque, memory ?*mut u8, old_size usize, new_size usize, alignment usize) ?*mut u8
-	free @func(context ?*mut anyopaque, memory ?*mut u8, size usize, alignment usize) void
+    alloc @proc(context ?@mut anyopaque, size usize, alignment usize) ?*mut u8
+    realloc @proc(context ?@mut anyopaque, memory ?*mut u8, old_size usize, new_size usize, alignment usize) ?*mut u8
+    free @proc(context ?@mut anyopaque, memory ?*mut u8, size usize, alignment usize) void
 }
 
-raw_alloc func(allocator Allocator, size usize, alignment usize) ?*mut u8 {
+raw_alloc proc(allocator Allocator, size usize, alignment usize) ?*mut u8 {
     return allocator.vtable.alloc(allocator.context, size, alignment)
 }
 
-raw_realloc func(allocator Allocator, memory ?*mut u8, old_size usize, new_size usize, alignment usize) ?*mut u8 {
+raw_realloc proc(allocator Allocator, memory ?*mut u8, old_size usize, new_size usize, alignment usize) ?*mut u8 {
     return allocator.vtable.realloc(allocator.context, memory, old_size, new_size, alignment)
 }
 
-raw_free func(allocator Allocator, memory ?*mut u8, size usize, alignment usize) void {
+raw_free proc(allocator Allocator, memory ?*mut u8, size usize, alignment usize) void {
     allocator.vtable.free(allocator.context, memory, size, alignment)
 }
 
-eql func($T type, left, right []T) bool {
-	if left.len != right.len {
+eql proc($T type, left, right []T) bool {
+    if (left.len != right.len) return false
+    for (0..left.len) |i| if (left[i] != right[i]) {
         return false
     }
-
-	i usize = 0
-	while i < left.len : i += 1 {
-		if left[i] != right[i] {
-			return false
-		}
-	}
     return true
 }
 
-hide empty_storage [1]mut u64 = [0]
-
-hide empty_slice func($T type, count usize) []mut T {
-	pointer *mut T :: ptrcast!(T, (&empty_storage).ptr)
-	return pointer[..count]
-}
-
-empty func($T type) []mut T {
-	return empty_slice(T, 0)
-}
-
-alloc func($T type, allocator Allocator, count usize) []mut T ! AllocError {
-	if count == 0 {
-		return empty_slice(T, 0)
-	}
+#! allocate memory for a slice of type `T` with `count` elements.
+alloc proc($T type, allocator Allocator, count usize) []mut T ! AllocError {
+    if (count == 0) return empty_slice(T, 0)
 
     element_size usize :: sizeof!(T)
-	if element_size == 0 {
-		return empty_slice(T, count)
-	}
+    if (element_size == 0) return empty_slice(T, count)
+
     if count > divtrunc!(maxval!(usize), element_size) {
         return .out_of_memory
     }
 
-	memory ?*mut u8 = raw_alloc(allocator, count * element_size, alignof!(T))
+    memory := raw_alloc(allocator, count * element_size, alignof!(T))
     if memory |bytes| {
         pointer *mut T :: ptrcast!(T, bytes)
         return pointer[..count]
     }
+
     return .out_of_memory
 }
 
-realloc func($T type, allocator Allocator, memory []mut T, new_count usize) []mut T ! AllocError {
+#! reallocate memory for a slice of type `T` with `new_count` elements.
+#! reallocating with `new_count == 0` will free the memory and return an empty slice.
+#! note: memory must be reallocated with the same allocator that was used to allocate it.
+realloc proc($T type, allocator Allocator, memory []mut T, new_count usize) []mut T ! AllocError {
     if new_count == memory.len {
         return memory
     }
+
     if new_count == 0 {
         free(allocator, memory)
         return empty_slice(T, 0)
     }
 
     element_size usize :: sizeof!(T)
-	if element_size == 0 {
-		return empty_slice(T, new_count)
-	}
-	if new_count > divtrunc!(maxval!(usize), element_size) {
-		return .out_of_memory
-	}
+    if (element_size == 0) return empty_slice(T, new_count)
+    if (new_count > divtrunc!(maxval!(usize), element_size)) return .out_of_memory
 
-	old_memory ?*mut u8 = none
-	old_size usize = 0
+    old_memory ?*mut u8 := null
+    old_size := 0
     if memory.len != 0 {
         old_memory = ptrcast!(u8, memory.ptr)
         old_size = memory.len * element_size
     }
-	resized ?*mut u8 = raw_realloc(
+
+    resized := raw_realloc(
         allocator,
         old_memory,
         old_size,
         new_count * element_size,
         alignof!(T),
     )
+
     if resized |bytes| {
         pointer *mut T :: ptrcast!(T, bytes)
         return pointer[..new_count]
     }
+
     return .out_of_memory
 }
 
-free func($T type, allocator Allocator, memory []mut T) void {
-	if memory.len != 0 and sizeof!(T) != 0 {
-		raw_free(allocator, ptrcast!(u8, memory.ptr), memory.len * sizeof!(T), alignof!(T))
-	}
+#! free memory allocated for a slice of type `T`.
+#! note: memory must be freed with the same allocator that was used to allocate it.
+free proc($T type, allocator Allocator, memory []T) void {
+    if (memory.len == 0 or sizeof!(T) == 0) return
+    raw_free(allocator, ptrcast!(
+        u8,
+        constcast!(memory).ptr),
+        memory.len * sizeof!(T),
+        alignof!(T),
+    )
 }
 
-hide malloc_alignment usize :: 16 # ponytail: aarch64-macos libc malloc alignment assumption.
-
-hide power_of_two func(value usize) bool {
-	if value == 0 {
-		return false
+#! create a slice backed by `empty_storage` without allocating.
+#! precondition: `count` must be 0 or `sizeof!(T)` must be 0; otherwise the slice
+#! exceeds its backing storage.
+@hide:file
+empty_slice proc($T type, count usize) []mut T {
+    pointer *mut T :: ptrcast!(T, (&empty_storage).ptr)
+    return pointer[..count]
 }
 
-	current usize = value
+#! get an empty slice of type `T` with 0 elements.
+empty proc($T type) []mut T {
+    return empty_slice(T, 0)
+}
+
+@hide
+empty_storage [1]mut u64 := [0]
+
+@hide
+malloc_alignment usize :: 16 # note: aarch64-macos libc malloc alignment assumption.
+
+@hide:file
+power_of_two proc(value usize) bool {
+    if (value == 0) return false
+    current := value
     while current > 1 {
-		half usize = divtrunc!(current, 2)
-		if half * 2 != current {
-			return false
-		}
+        half := divtrunc!(current, 2)
+        if (half * 2 != current) return false
         current = half
     }
-
     return true
 }
 
-hide c_alloc func(_ ?*mut anyopaque, size usize, alignment usize) ?*mut u8 {
-	if power_of_two(alignment) == false {
-		return none
-	}
+@hide:file
+c_alloc proc(_ ?@mut anyopaque, size usize, alignment usize) ?*mut u8 {
+    if (power_of_two(alignment) == false) return null
+    if (alignment <= malloc_alignment) return ptrcast!(u8, c.malloc(c_ulong(size)))
 
-	if alignment <= malloc_alignment {
-		return ptrcast!(u8, c.malloc(c_ulong(size)))
-	}
-
-	memory [1]mut ?*mut anyopaque = [none]
-	status c_int = c.posix_memalign((&memory).ptr, c_ulong(alignment), c_ulong(size))
-	if status != 0 {
-		return none
-	}
+    memory [1]mut ?*mut anyopaque := [null]
+    status := c.posix_memalign((&memory).ptr, c_ulong(alignment), c_ulong(size))
+    if (status != 0) return null
 
     return ptrcast!(u8, memory[0])
 }
 
-hide c_realloc func(_ ?*mut anyopaque, memory ?*mut u8, old_size usize, new_size usize, alignment usize) ?*mut u8 {
-	if power_of_two(alignment) == false {
-		return none
-	}
+@hide:file
+c_realloc proc(
+    _ ?@mut anyopaque,
+    memory ?*mut u8,
+    old_size usize,
+    new_size usize,
+    alignment usize,
+) ?*mut u8 {
+    if (power_of_two(alignment) == false) return null
 
     if new_size == 0 {
         c.free(memory)
-		return none
+        return null
     }
 
     if memory |old_memory| {
@@ -168,35 +171,32 @@ hide c_realloc func(_ ?*mut anyopaque, memory ?*mut u8, old_size usize, new_size
             return ptrcast!(u8, c.realloc(old_memory, c_ulong(new_size)))
         }
 
-		new_memory ?*mut u8 = c_alloc(none, new_size, alignment)
+        new_memory := c_alloc(null, new_size, alignment)
         if new_memory |new_bytes| {
-			copy_size usize = old_size
-			if new_size < copy_size {
-				copy_size = new_size
-			}
-			i usize = 0
-			while i < copy_size : i += 1 {
-				new_bytes[i] = old_memory[i]
-			}
+            copy_size := old_size
+            if (new_size < copy_size) copy_size = new_size
+            memcopy!(new_bytes[..copy_size], old_memory[..copy_size])
             c.free(old_memory)
         }
         return new_memory
     }
 
-	return c_alloc(none, new_size, alignment)
+    return c_alloc(null, new_size, alignment)
 }
 
-hide c_free func(_ ?*mut anyopaque, memory ?*mut u8, _ usize, _ usize) void {
+@hide:file
+c_free proc(_ ?@mut anyopaque, memory ?*mut u8, _ usize, _ usize) void {
     c.free(memory)
 }
 
-hide c_vtable AllocatorVTable :: AllocatorVTable {
+@hide:file
+c_vtable AllocatorVTable :: AllocatorVTable {
     alloc = c_alloc,
     realloc = c_realloc,
     free = c_free,
 }
 
 c_allocator Allocator :: Allocator {
-	context = none,
+    context = null,
     vtable = &c_vtable,
 }

std/meta/meta.hon

@@ -1,6 +1,8 @@
-Layout :: enum {
-	auto
-	c
+Layout :: enum { auto, c }
+
+ArrayInfo :: struct {
+    child type
+    len usize
 }
 
 FieldInfo :: struct {
@@ -23,11 +25,12 @@ EnumInfo :: struct {
 TypeInfo :: union(enum) {
     invalid void
     void void
+    noreturn void
     anyopaque void
     bool void
     integer void
     float void
-	array void
+    array ArrayInfo
     pointer void
     slice void
     range void
@@ -37,5 +40,22 @@ TypeInfo :: union(enum) {
     record RecordInfo
     union void
     fallible void
-	distinct void
+    distinct type
+}
+
+EnumFieldStruct proc($E, $Field type, $default ?Field) type {
+    match typeinfo!(E) {
+        .enum |info|: {
+            names [info.fields.len]mut []u8 := undefined
+            field_types [info.fields.len]mut type := undefined
+            defaults [info.fields.len]mut ?Field := undefined
+            inline for info.fields |field, index| {
+                names[index] = field.name
+                field_types[index] = Field
+                defaults[index] = default
+            }
+            return struct_type!(.auto, names, field_types, defaults)
+        }
+        else: compile_error!("EnumFieldStruct key must be an enum")
+    }
 }

std/meta/meta.test.hon

@@ -0,0 +1,65 @@
+import "@std/testing"
+
+TestTokenKind :: enum(u8) {
+    ident = 3
+    int = 8
+    eof = 21
+}
+
+TestNames :: alias EnumFieldStruct(TestTokenKind, ?[]u8, some!(null))
+TestArrayAlias :: alias [3]u16
+TestInner :: distinct u16
+TestOuter :: distinct TestInner
+TestOuterAlias :: alias TestOuter
+
+@hide
+array_info_matches proc($Array, $Child type, $len usize) bool {
+    return match typeinfo!(Array) {
+        .array |info|: info.child == Child and info.len == len
+        else: false
+    }
+}
+
+@hide
+distinct_info_matches proc($Distinct, $Backing type) bool {
+    return match typeinfo!(Distinct) {
+        .distinct |backing|: backing == Backing
+        else: false
+    }
+}
+
+array_reflection_exposes_child_and_logical_length test {
+    try testing.expect($(array_info_matches([4]i32, i32, 4)))
+    try testing.expect($(array_info_matches([0]bool, bool, 0)))
+    try testing.expect($(array_info_matches(TestArrayAlias, u16, 3)))
+    try testing.expect($(array_info_matches([2]mut i64, i64, 2)))
+    try testing.expect($(array_info_matches([2;0]u8, u8, 2)))
+}
+
+distinct_reflection_exposes_immediate_backing test {
+    try testing.expect($(distinct_info_matches(TestInner, u16)))
+    try testing.expect($(distinct_info_matches(TestOuter, TestInner)))
+    try testing.expect($(distinct_info_matches(TestOuterAlias, TestInner)))
+}
+
+enum_field_struct_defaults test {
+    names TestNames := {
+        ident = "identifier",
+        int = "integer",
+    }
+
+    if (field!(names, "ident")) |value|
+        try testing.expect(value.len == 10)
+    else
+        try testing.expect(false)
+
+    if (field!(names, "int")) |value|
+        try testing.expect(value.len == 7)
+    else
+        try testing.expect(false)
+
+    if (field!(names, "eof")) |_| try testing.expect(false)
+
+    empty TestNames := {}
+    if (field!(empty, "ident")) |_| try testing.expect(false)
+}

std/std.hon

@@ -1,5 +1,11 @@
 import "io"
+import "enums/enummap"
+import "hashmap"
 import "arraylist"
+import "strmap"
 
 Io :: alias io.Io
+EnumMap :: alias enummap.EnumMap
 ArrayList :: alias arraylist.ArrayList
+StringHashMap :: alias hashmap.StringHashMap
+StringMap :: alias strmap.StringMap

std/strmap/strmap.hon

@@ -0,0 +1,96 @@
+import "@std/mem"
+
+StringMap proc($V type) type {
+    return struct {
+        keys [][]u8
+        values []V
+        len_indexes []u32
+        min_len u32
+        max_len u32
+    }
+}
+
+@hide:file
+Pair proc($V type) type {
+    return struct { []u8, V }
+}
+
+#! initializes a static string map from a list of key-value pairs (constructed at compile-time).
+init proc($V type, $N usize, $entries [N]Pair(V)) StringMap(V) {
+    if N > usize(maxval!(u32)) {
+        compile_error!("static string map has too many entries")
+    }
+
+    keys [N]mut []u8 := undefined
+    values [N]mut V := undefined
+
+    # assert no duplicate keys
+    for entries |entry, i| {
+        if entry.0.len > usize(maxval!(u32)) {
+            compile_error!("static string map key is too long")
+        }
+
+        for (0..i) |prior| if mem.eql(u8, entry.0, entries[prior].0) {
+            compile_error!("duplicate static string map key")
+        }
+
+        keys[i] = entry.0
+        values[i] = entry.1
+    }
+
+    if N == 0 {
+        len_indexes [0]u32 := undefined
+        return StringMap(V){
+            keys = keys[..],
+            values = values[..],
+            len_indexes = len_indexes[..],
+            min_len = 0,
+            max_len = 0,
+        }
+    }
+
+    # fixme: insertion sort is compile-time O(N²); replace if large maps affect builds
+    for 1..N |i| {
+        key :: keys[i]
+        value :: values[i]
+        j := i
+        while j > 0 and keys[j - 1].len > key.len : j -= 1 {
+            keys[j] = keys[j - 1]
+            values[j] = values[j - 1]
+        }
+        keys[j] = key
+        values[j] = value
+    }
+
+    min_len u32 :: u32(keys[0].len)
+    max_len u32 :: u32(keys[N - 1].len)
+    len_indexes [usize(max_len) + 1]mut u32 := undefined
+    entry_index usize := 0
+    for 0..=usize(max_len) |length| {
+        while entry_index < N and keys[entry_index].len < length : entry_index += 1 {}
+        len_indexes[length] = u32(entry_index)
+    }
+
+    return StringMap(V) {
+        keys = keys[..],
+        values = values[..],
+        len_indexes = len_indexes[..],
+        min_len = min_len,
+        max_len = max_len,
+    }
+}
+
+get proc($V type, map @StringMap(V), key []u8) ?V {
+    if (map.keys.len == 0 or key.len > maxval!(u32)) return null
+
+    length := u32(key.len)
+    if (length < map.min_len or length > map.max_len) return null
+
+    idx := usize(map.len_indexes[usize(length)])
+    while idx < map.keys.len : idx += 1 {
+        candidate :: map.keys[idx]
+        if (candidate.len != key.len) return null # key not found
+        if mem.eql(u8, candidate, key) return map.values[idx]
+    }
+    return null
+}

std/strmap/strmap.test.hon

@@ -0,0 +1 @@
+# todo

std/testing/testing.hon

@@ -0,0 +1,85 @@
+import "@std/debug"
+import "@std/mem"
+
+Error :: enum {
+    expectation_failed
+}
+
+SourceLocation :: struct {
+    file []u8
+    line usize
+    column usize
+}
+
+expect proc(condition bool, location SourceLocation) void ! Error {
+    if !condition {
+        debug.print("{s}:{d}:{d}: expectation failed\n", {
+            location.file,
+            location.line,
+            location.column,
+        })
+        return .expectation_failed
+    }
+}
+
+expect_equal proc($T type, expected, actual T, location SourceLocation) void ! Error {
+    match typeinfo!(T) {
+        .optional: {
+            if expected |expected_value| {
+                if actual |actual_value| {
+                    try expect_equal(expected_value, actual_value, location)
+                    return
+                }
+                debug.print("{s}:{d}:{d}: expected an optional value, found null\n", {
+                    location.file,
+                    location.line,
+                    location.column,
+                })
+                return .expectation_failed
+            }
+            if actual |_| {
+                debug.print("{s}:{d}:{d}: expected null, found an optional value\n", {
+                    location.file,
+                    location.line,
+                    location.column,
+                })
+                return .expectation_failed
+            }
+        }
+        .slice: if !mem.eql(expected, actual) {
+            debug.print("{s}:{d}:{d}: expected and actual slices differ\n", {
+                location.file,
+                location.line,
+                location.column,
+            })
+            return .expectation_failed
+        }
+        else: if expected != actual {
+            debug.print("{s}:{d}:{d}: expected {}, found {}\n", {
+                location.file,
+                location.line,
+                location.column,
+                expected,
+                actual,
+            })
+            return .expectation_failed
+        }
+    }
+}
+
+expect_type proc($Expected, $Actual type, _ Actual, location SourceLocation) void ! Error {
+    try expect($(Expected == Actual), location)
+}
+
+run proc(name []u8, callback *proc() void ! Error) bool {
+    callback() catch |_| {
+        debug.print("{s} ... [\x1b[91mfailed\x1b[0m]\n", {name})
+        return false
+    }
+    debug.print("{s} ... [\x1b[92mok\x1b[0m]\n", {name})
+    return true
+}
+
+summary proc(passed, failed i32) void {
+    debug.print("{d} passed, {d} failed\n", {passed, failed})
+}