Merge pull request #3 from mc-lang/functions

Functions

editor/vscode/package.json

@@ -2,7 +2,7 @@
   "name": "mclang",
   "displayName": "mclang",
   "description": "Code highlighting for mclang",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "repository": {
     "type": "git",
     "url": "git@github.com:mc-lang/mclang2.git"
@@ -37,6 +37,6 @@
   },
   "dependencies": {
     "generator-code": "^1.7.4",
-    "vsce": "^2.15.0"
+    "@vscode/vsce": "^2.15.0"
   }
 }

include/compat.mcl

@@ -0,0 +1 @@
+// todo: add some sort of macrow

include/fs.mcl

@@ -1,19 +1,18 @@
-
+const FS_O_APPEND 1024 end // append to existing file
-macro FS_O_APPEND 1024 end // append to existing file
+const FS_O_ASYNC 8192 end // use signal-driven IO
-macro FS_O_ASYNC 8192 end // use signal-driven IO
+const FS_O_CLOEXEC 524288 end // use close-on-exec (avoid race conditions and lock contentions)
-macro FS_O_CLOEXEC 524288 end // use close-on-exec (avoid race conditions and lock contentions)
+const FS_O_CREAT 64 end // create file if it doesn’t exist
-macro FS_O_CREAT 64 end // create file if it doesn’t exist
+const FS_O_DIRECT 16384 end // bypass cache (slower)
-macro FS_O_DIRECT 16384 end // bypass cache (slower)
+const FS_O_DIRECTORY 65536 end // fail if pathname isn’t a directory
-macro FS_O_DIRECTORY 65536 end // fail if pathname isn’t a directory
+const FS_O_DSYNC 4096 end // ensure output is sent to hardware and metadata written before return
-macro FS_O_DSYNC 4096 end // ensure output is sent to hardware and metadata written before return
+const FS_O_EXCL 128 end // ensure creation of file
-macro FS_O_EXCL 128 end // ensure creation of file
+const FS_O_LARGEFILE 0 end // allows use of file sizes represented by off64_t
-macro FS_O_LARGEFILE 0 end // allows use of file sizes represented by off64_t
+const FS_O_NOATIME 262144 end // do not increment access time upon open
-macro FS_O_NOATIME 262144 end // do not increment access time upon open
+const FS_O_NOCTTY 256 end // if pathname is a terminal device, don’t become controlling terminal
-macro FS_O_NOCTTY 256 end // if pathname is a terminal device, don’t become controlling terminal
+const FS_O_NOFOLLOW 131072 end // fail if pathname is symbolic link
-macro FS_O_NOFOLLOW 131072 end // fail if pathname is symbolic link
+const FS_O_NONBLOCK 2048 end // if possible, open file with non-blocking IO
-macro FS_O_NONBLOCK 2048 end // if possible, open file with non-blocking IO
+const FS_O_NDELAY 2048 end // same as O_NONBLOCK
-macro FS_O_NDELAY 2048 end // same as O_NONBLOCK
+const FS_O_PATH 2097152 end // open descriptor for obtaining permissions and status of a file but does not allow read/write operations
-macro FS_O_PATH 2097152 end // open descriptor for obtaining permissions and status of a file but does not allow read/write operations
+const FS_O_SYNC 1052672 end // wait for IO to complete before returning
-macro FS_O_SYNC 1052672 end // wait for IO to complete before returning
+const FS_O_TMPFILE 4259840 end // create an unnamed, unreachable (via any other open call) temporary file
-macro FS_O_TMPFILE 4259840 end // create an unnamed, unreachable (via any other open call) temporary file
+const FS_O_TRUNC 512 end // if file exists, ovewrite it (careful!)
-macro FS_O_TRUNC 512 end // if file exists, ovewrite it (careful!)

include/int.mcl

@@ -1,16 +1,15 @@
-macro NULL 0 end
+const NULL 0 end
-macro false 0 end
+const false 0 end
-macro true 1 end
+const true 1 end
 
-macro div divmod drop end
+fn div with int int returns int then divmod drop done
-macro mod divmod swap drop end
+fn mod with int int returns int then divmod swap drop done
-macro / div end
-macro % mod end
 
-macro 2dup over over end
-macro 2drop drop drop end
 
-macro sizeof(u64) 8 end
+fn dup2 with any any returns any any any any then over over done
-macro sizeof(u32) 4 end
+fn drop2 with any any returns void then drop drop done
-macro sizeof(u16) 2 end
+
-macro sizeof(u8)  1 end
+const sizeof(u64) 8 end
+const sizeof(u32) 4 end
+const sizeof(u16) 2 end
+const sizeof(u8)  1 end

include/io.mcl

@@ -5,9 +5,9 @@
 // @arg buff_ptr: Ptr - pointer to the buffer to write
 // @arg fd: Int - file descriptor
 // @ret Int
-macro write
+fn write with int ptr int returns int then
     SYS_write syscall3
-end
+done
 
 // Write to a file descriptor using the SYS_write syscall
 // args: [buff_size, buff_ptr, fd]
@@ -15,9 +15,9 @@ end
 // @arg buff_ptr: Ptr - pointer to the buffer to write
 // @arg fd: Int - file descriptor
 // @ret Int
-macro read
+fn read with int ptr int returns int then
     SYS_read syscall3
-end
+done
 
 
 // Print a string to STDOUT
@@ -25,18 +25,18 @@ end
 // @arg buff_size: Int - number of bytes to write
 // @arg buff_ptr: Ptr - pointer to the buffer to write
 // @ret NULL
-macro puts
+fn puts with int ptr returns void then
     STDOUT write drop
-end
+done
 
 // Print a string to STDERR
 // args: [str_size, str_ptr]
 // @arg buff_size: Int - number of bytes to write
 // @arg buff_ptr: Ptr - pointer to the buffer to write
 // @ret NULL
-macro eputs
+fn eputs with int ptr returns void then
     STDOUT write drop
-end
+done
 
 // TODO: make putc and eputc after we make local mem
 
@@ -44,7 +44,7 @@ end
 // args: [exit_code]
 // @arg exit_code: Int
 // @ret NULL/NEVER
-macro exit
+fn exit with int returns void then
     SYS_exit syscall1 drop
-end
+done
 

include/linux.mcl

@@ -1,322 +1,322 @@
 
 // file descriptors
-macro STDIN  0 end
+const STDIN  0 end
-macro STDOUT 1 end
+const STDOUT 1 end
-macro STDERR 2 end
+const STDERR 2 end
 
 
 // syscalls
-macro SYS_read                   0 end
+const SYS_read                   0 end
-macro SYS_write                  1 end
+const SYS_write                  1 end
-macro SYS_open                   2 end
+const SYS_open                   2 end
-macro SYS_close                  3 end
+const SYS_close                  3 end
-macro SYS_stat                   4 end
+const SYS_stat                   4 end
-macro SYS_fstat                  5 end
+const SYS_fstat                  5 end
-macro SYS_lstat                  6 end
+const SYS_lstat                  6 end
-macro SYS_poll                   7 end
+const SYS_poll                   7 end
-macro SYS_lseek                  8 end
+const SYS_lseek                  8 end
-macro SYS_mmap                   9 end
+const SYS_mmap                   9 end
-macro SYS_mprotect               10 end
+const SYS_mprotect               10 end
-macro SYS_munmap                 11 end
+const SYS_munmap                 11 end
-macro SYS_brk                    12 end
+const SYS_brk                    12 end
-macro SYS_rt_sigaction           13 end
+const SYS_rt_sigaction           13 end
-macro SYS_rt_sigprocmask         14 end
+const SYS_rt_sigprocmask         14 end
-macro SYS_rt_sigreturn           15 end
+const SYS_rt_sigreturn           15 end
-macro SYS_ioctl                  16 end
+const SYS_ioctl                  16 end
-macro SYS_pread64                17 end
+const SYS_pread64                17 end
-macro SYS_pwrite64               18 end
+const SYS_pwrite64               18 end
-macro SYS_readv                  19 end
+const SYS_readv                  19 end
-macro SYS_writev                 20 end
+const SYS_writev                 20 end
-macro SYS_access                 21 end
+const SYS_access                 21 end
-macro SYS_pipe                   22 end
+const SYS_pipe                   22 end
-macro SYS_select                 23 end
+const SYS_select                 23 end
-macro SYS_sched_yield            24 end
+const SYS_sched_yield            24 end
-macro SYS_mremap                 25 end
+const SYS_mremap                 25 end
-macro SYS_msync                  26 end
+const SYS_msync                  26 end
-macro SYS_mincore                27 end
+const SYS_mincore                27 end
-macro SYS_madvise                28 end
+const SYS_madvise                28 end
-macro SYS_shmget                 29 end
+const SYS_shmget                 29 end
-macro SYS_shmat                  30 end
+const SYS_shmat                  30 end
-macro SYS_shmctl                 31 end
+const SYS_shmctl                 31 end
-macro SYS_dup                    32 end
+const SYS_dup                    32 end
-macro SYS_dup2                   33 end
+const SYS_dup2                   33 end
-macro SYS_pause                  34 end
+const SYS_pause                  34 end
-macro SYS_nanosleep              35 end
+const SYS_nanosleep              35 end
-macro SYS_getitimer              36 end
+const SYS_getitimer              36 end
-macro SYS_alarm                  37 end
+const SYS_alarm                  37 end
-macro SYS_setitimer              38 end
+const SYS_setitimer              38 end
-macro SYS_getpid                 39 end
+const SYS_getpid                 39 end
-macro SYS_sendfile               40 end
+const SYS_sendfile               40 end
-macro SYS_socket                 41 end
+const SYS_socket                 41 end
-macro SYS_connect                42 end
+const SYS_connect                42 end
-macro SYS_accept                 43 end
+const SYS_accept                 43 end
-macro SYS_sendto                 44 end
+const SYS_sendto                 44 end
-macro SYS_recvfrom               45 end
+const SYS_recvfrom               45 end
-macro SYS_sendmsg                46 end
+const SYS_sendmsg                46 end
-macro SYS_recvmsg                47 end
+const SYS_recvmsg                47 end
-macro SYS_shutdown               48 end
+const SYS_shutdown               48 end
-macro SYS_bind                   49 end
+const SYS_bind                   49 end
-macro SYS_listen                 50 end
+const SYS_listen                 50 end
-macro SYS_getsockname            51 end
+const SYS_getsockname            51 end
-macro SYS_getpeername            52 end
+const SYS_getpeername            52 end
-macro SYS_socketpair             53 end
+const SYS_socketpair             53 end
-macro SYS_setsockopt             54 end
+const SYS_setsockopt             54 end
-macro SYS_getsockopt             55 end
+const SYS_getsockopt             55 end
-macro SYS_clone                  56 end
+const SYS_clone                  56 end
-macro SYS_fork                   57 end
+const SYS_fork                   57 end
-macro SYS_vfork                  58 end
+const SYS_vfork                  58 end
-macro SYS_execve                 59 end
+const SYS_execve                 59 end
-macro SYS_exit                   60 end
+const SYS_exit                   60 end
-macro SYS_wait4                  61 end
+const SYS_wait4                  61 end
-macro SYS_kill                   62 end
+const SYS_kill                   62 end
-macro SYS_uname                  63 end
+const SYS_uname                  63 end
-macro SYS_semget                 64 end
+const SYS_semget                 64 end
-macro SYS_semop                  65 end
+const SYS_semop                  65 end
-macro SYS_semctl                 66 end
+const SYS_semctl                 66 end
-macro SYS_shmdt                  67 end
+const SYS_shmdt                  67 end
-macro SYS_msgget                 68 end
+const SYS_msgget                 68 end
-macro SYS_msgsnd                 69 end
+const SYS_msgsnd                 69 end
-macro SYS_msgrcv                 70 end
+const SYS_msgrcv                 70 end
-macro SYS_msgctl                 71 end
+const SYS_msgctl                 71 end
-macro SYS_fcntl                  72 end
+const SYS_fcntl                  72 end
-macro SYS_flock                  73 end
+const SYS_flock                  73 end
-macro SYS_fsync                  74 end
+const SYS_fsync                  74 end
-macro SYS_fdatasync              75 end
+const SYS_fdatasync              75 end
-macro SYS_truncate               76 end
+const SYS_truncate               76 end
-macro SYS_ftruncate              77 end
+const SYS_ftruncate              77 end
-macro SYS_getdents               78 end
+const SYS_getdents               78 end
-macro SYS_getcwd                 79 end
+const SYS_getcwd                 79 end
-macro SYS_chdir                  80 end
+const SYS_chdir                  80 end
-macro SYS_fchdir                 81 end
+const SYS_fchdir                 81 end
-macro SYS_rename                 82 end
+const SYS_rename                 82 end
-macro SYS_mkdir                  83 end
+const SYS_mkdir                  83 end
-macro SYS_rmdir                  84 end
+const SYS_rmdir                  84 end
-macro SYS_creat                  85 end
+const SYS_creat                  85 end
-macro SYS_link                   86 end
+const SYS_link                   86 end
-macro SYS_unlink                 87 end
+const SYS_unlink                 87 end
-macro SYS_symlink                88 end
+const SYS_symlink                88 end
-macro SYS_readlink               89 end
+const SYS_readlink               89 end
-macro SYS_chmod                  90 end
+const SYS_chmod                  90 end
-macro SYS_fchmod                 91 end
+const SYS_fchmod                 91 end
-macro SYS_chown                  92 end
+const SYS_chown                  92 end
-macro SYS_fchown                 93 end
+const SYS_fchown                 93 end
-macro SYS_lchown                 94 end
+const SYS_lchown                 94 end
-macro SYS_umask                  95 end
+const SYS_umask                  95 end
-macro SYS_gettimeofday           96 end
+const SYS_gettimeofday           96 end
-macro SYS_getrlimit              97 end
+const SYS_getrlimit              97 end
-macro SYS_getrusage              98 end
+const SYS_getrusage              98 end
-macro SYS_sysinfo                99 end
+const SYS_sysinfo                99 end
-macro SYS_times                  100 end
+const SYS_times                  100 end
-macro SYS_ptrace                 101 end
+const SYS_ptrace                 101 end
-macro SYS_getuid                 102 end
+const SYS_getuid                 102 end
-macro SYS_syslog                 103 end
+const SYS_syslog                 103 end
-macro SYS_getgid                 104 end
+const SYS_getgid                 104 end
-macro SYS_setuid                 105 end
+const SYS_setuid                 105 end
-macro SYS_setgid                 106 end
+const SYS_setgid                 106 end
-macro SYS_geteuid                107 end
+const SYS_geteuid                107 end
-macro SYS_getegid                108 end
+const SYS_getegid                108 end
-macro SYS_setpgid                109 end
+const SYS_setpgid                109 end
-macro SYS_getppid                110 end
+const SYS_getppid                110 end
-macro SYS_getpgrp                111 end
+const SYS_getpgrp                111 end
-macro SYS_setsid                 112 end
+const SYS_setsid                 112 end
-macro SYS_setreuid               113 end
+const SYS_setreuid               113 end
-macro SYS_setregid               114 end
+const SYS_setregid               114 end
-macro SYS_getgroups              115 end
+const SYS_getgroups              115 end
-macro SYS_setgroups              116 end
+const SYS_setgroups              116 end
-macro SYS_setresuid              117 end
+const SYS_setresuid              117 end
-macro SYS_getresuid              118 end
+const SYS_getresuid              118 end
-macro SYS_setresgid              119 end
+const SYS_setresgid              119 end
-macro SYS_getresgid              120 end
+const SYS_getresgid              120 end
-macro SYS_getpgid                121 end
+const SYS_getpgid                121 end
-macro SYS_setfsuid               122 end
+const SYS_setfsuid               122 end
-macro SYS_setfsgid               123 end
+const SYS_setfsgid               123 end
-macro SYS_getsid                 124 end
+const SYS_getsid                 124 end
-macro SYS_capget                 125 end
+const SYS_capget                 125 end
-macro SYS_capset                 126 end
+const SYS_capset                 126 end
-macro SYS_rt_sigpending          127 end
+const SYS_rt_sigpending          127 end
-macro SYS_rt_sigtimedwait        128 end
+const SYS_rt_sigtimedwait        128 end
-macro SYS_rt_sigqueueinfo        129 end
+const SYS_rt_sigqueueinfo        129 end
-macro SYS_rt_sigsuspend          130 end
+const SYS_rt_sigsuspend          130 end
-macro SYS_sigaltstack            131 end
+const SYS_sigaltstack            131 end
-macro SYS_utime                  132 end
+const SYS_utime                  132 end
-macro SYS_mknod                  133 end
+const SYS_mknod                  133 end
-macro SYS_uselib                 134 end
+const SYS_uselib                 134 end
-macro SYS_personality            135 end
+const SYS_personality            135 end
-macro SYS_ustat                  136 end
+const SYS_ustat                  136 end
-macro SYS_statfs                 137 end
+const SYS_statfs                 137 end
-macro SYS_fstatfs                138 end
+const SYS_fstatfs                138 end
-macro SYS_sysfs                  139 end
+const SYS_sysfs                  139 end
-macro SYS_getpriority            140 end
+const SYS_getpriority            140 end
-macro SYS_setpriority            141 end
+const SYS_setpriority            141 end
-macro SYS_sched_setparam         142 end
+const SYS_sched_setparam         142 end
-macro SYS_sched_getparam         143 end
+const SYS_sched_getparam         143 end
-macro SYS_sched_setscheduler     144 end
+const SYS_sched_setscheduler     144 end
-macro SYS_sched_getscheduler     145 end
+const SYS_sched_getscheduler     145 end
-macro SYS_sched_get_priority_max 146 end
+const SYS_sched_get_priority_max 146 end
-macro SYS_sched_get_priority_min 147 end
+const SYS_sched_get_priority_min 147 end
-macro SYS_sched_rr_get_interval  148 end
+const SYS_sched_rr_get_interval  148 end
-macro SYS_mlock                  149 end
+const SYS_mlock                  149 end
-macro SYS_munlock                150 end
+const SYS_munlock                150 end
-macro SYS_mlockall               151 end
+const SYS_mlockall               151 end
-macro SYS_munlockall             152 end
+const SYS_munlockall             152 end
-macro SYS_vhangup                153 end
+const SYS_vhangup                153 end
-macro SYS_modify_ldt             154 end
+const SYS_modify_ldt             154 end
-macro SYS_pivot_root             155 end
+const SYS_pivot_root             155 end
-macro SYS__sysctl                156 end
+const SYS__sysctl                156 end
-macro SYS_prctl                  157 end
+const SYS_prctl                  157 end
-macro SYS_arch_prctl             158 end
+const SYS_arch_prctl             158 end
-macro SYS_adjtimex               159 end
+const SYS_adjtimex               159 end
-macro SYS_setrlimit              160 end
+const SYS_setrlimit              160 end
-macro SYS_chroot                 161 end
+const SYS_chroot                 161 end
-macro SYS_sync                   162 end
+const SYS_sync                   162 end
-macro SYS_acct                   163 end
+const SYS_acct                   163 end
-macro SYS_settimeofday           164 end
+const SYS_settimeofday           164 end
-macro SYS_mount                  165 end
+const SYS_mount                  165 end
-macro SYS_umount2                166 end
+const SYS_umount2                166 end
-macro SYS_swapon                 167 end
+const SYS_swapon                 167 end
-macro SYS_swapoff                168 end
+const SYS_swapoff                168 end
-macro SYS_reboot                 169 end
+const SYS_reboot                 169 end
-macro SYS_sethostname            170 end
+const SYS_sethostname            170 end
-macro SYS_setdomainname          171 end
+const SYS_setdomainname          171 end
-macro SYS_iopl                   172 end
+const SYS_iopl                   172 end
-macro SYS_ioperm                 173 end
+const SYS_ioperm                 173 end
-macro SYS_create_module          174 end
+const SYS_create_module          174 end
-macro SYS_init_module            175 end
+const SYS_init_module            175 end
-macro SYS_delete_module          176 end
+const SYS_delete_module          176 end
-macro SYS_get_kernel_syms        177 end
+const SYS_get_kernel_syms        177 end
-macro SYS_query_module           178 end
+const SYS_query_module           178 end
-macro SYS_quotactl               179 end
+const SYS_quotactl               179 end
-macro SYS_nfsservctl             180 end
+const SYS_nfsservctl             180 end
-macro SYS_getpmsg                181 end
+const SYS_getpmsg                181 end
-macro SYS_putpmsg                182 end
+const SYS_putpmsg                182 end
-macro SYS_afs_syscall            183 end
+const SYS_afs_syscall            183 end
-macro SYS_tuxcall                184 end
+const SYS_tuxcall                184 end
-macro SYS_security               185 end
+const SYS_security               185 end
-macro SYS_gettid                 186 end
+const SYS_gettid                 186 end
-macro SYS_readahead              187 end
+const SYS_readahead              187 end
-macro SYS_setxattr               188 end
+const SYS_setxattr               188 end
-macro SYS_lsetxattr              189 end
+const SYS_lsetxattr              189 end
-macro SYS_fsetxattr              190 end
+const SYS_fsetxattr              190 end
-macro SYS_getxattr               191 end
+const SYS_getxattr               191 end
-macro SYS_lgetxattr              192 end
+const SYS_lgetxattr              192 end
-macro SYS_fgetxattr              193 end
+const SYS_fgetxattr              193 end
-macro SYS_listxattr              194 end
+const SYS_listxattr              194 end
-macro SYS_llistxattr             195 end
+const SYS_llistxattr             195 end
-macro SYS_flistxattr             196 end
+const SYS_flistxattr             196 end
-macro SYS_removexattr            197 end
+const SYS_removexattr            197 end
-macro SYS_lremovexattr           198 end
+const SYS_lremovexattr           198 end
-macro SYS_fremovexattr           199 end
+const SYS_fremovexattr           199 end
-macro SYS_tkill                  200 end
+const SYS_tkill                  200 end
-macro SYS_time                   201 end
+const SYS_time                   201 end
-macro SYS_futex                  202 end
+const SYS_futex                  202 end
-macro SYS_sched_setaffinity      203 end
+const SYS_sched_setaffinity      203 end
-macro SYS_sched_getaffinity      204 end
+const SYS_sched_getaffinity      204 end
-macro SYS_set_thread_area        205 end
+const SYS_set_thread_area        205 end
-macro SYS_io_setup               206 end
+const SYS_io_setup               206 end
-macro SYS_io_destroy             207 end
+const SYS_io_destroy             207 end
-macro SYS_io_getevents           208 end
+const SYS_io_getevents           208 end
-macro SYS_io_submit              209 end
+const SYS_io_submit              209 end
-macro SYS_io_cancel              210 end
+const SYS_io_cancel              210 end
-macro SYS_get_thread_area        211 end
+const SYS_get_thread_area        211 end
-macro SYS_lookup_dcookie         212 end
+const SYS_lookup_dcookie         212 end
-macro SYS_epoll_create           213 end
+const SYS_epoll_create           213 end
-macro SYS_epoll_ctl_old          214 end
+const SYS_epoll_ctl_old          214 end
-macro SYS_epoll_wait_old         215 end
+const SYS_epoll_wait_old         215 end
-macro SYS_remap_file_pages       216 end
+const SYS_remap_file_pages       216 end
-macro SYS_getdents64             217 end
+const SYS_getdents64             217 end
-macro SYS_set_tid_address        218 end
+const SYS_set_tid_address        218 end
-macro SYS_restart_syscall        219 end
+const SYS_restart_syscall        219 end
-macro SYS_semtimedop             220 end
+const SYS_semtimedop             220 end
-macro SYS_fadvise64              221 end
+const SYS_fadvise64              221 end
-macro SYS_timer_create           222 end
+const SYS_timer_create           222 end
-macro SYS_timer_settime          223 end
+const SYS_timer_settime          223 end
-macro SYS_timer_gettime          224 end
+const SYS_timer_gettime          224 end
-macro SYS_timer_getoverrun       225 end
+const SYS_timer_getoverrun       225 end
-macro SYS_timer_delete           226 end
+const SYS_timer_delete           226 end
-macro SYS_clock_settime          227 end
+const SYS_clock_settime          227 end
-macro SYS_clock_gettime          228 end
+const SYS_clock_gettime          228 end
-macro SYS_clock_getres           229 end
+const SYS_clock_getres           229 end
-macro SYS_clock_nanosleep        230 end
+const SYS_clock_nanosleep        230 end
-macro SYS_exit_group             231 end
+const SYS_exit_group             231 end
-macro SYS_epoll_wait             232 end
+const SYS_epoll_wait             232 end
-macro SYS_epoll_ctl              233 end
+const SYS_epoll_ctl              233 end
-macro SYS_tgkill                 234 end
+const SYS_tgkill                 234 end
-macro SYS_utimes                 235 end
+const SYS_utimes                 235 end
-macro SYS_vserver                236 end
+const SYS_vserver                236 end
-macro SYS_mbind                  237 end
+const SYS_mbind                  237 end
-macro SYS_set_mempolicy          238 end
+const SYS_set_mempolicy          238 end
-macro SYS_get_mempolicy          239 end
+const SYS_get_mempolicy          239 end
-macro SYS_mq_open                240 end
+const SYS_mq_open                240 end
-macro SYS_mq_unlink              241 end
+const SYS_mq_unlink              241 end
-macro SYS_mq_timedsend           242 end
+const SYS_mq_timedsend           242 end
-macro SYS_mq_timedreceive        243 end
+const SYS_mq_timedreceive        243 end
-macro SYS_mq_notify              244 end
+const SYS_mq_notify              244 end
-macro SYS_mq_getsetattr          245 end
+const SYS_mq_getsetattr          245 end
-macro SYS_kexec_load             246 end
+const SYS_kexec_load             246 end
-macro SYS_waitid                 247 end
+const SYS_waitid                 247 end
-macro SYS_add_key                248 end
+const SYS_add_key                248 end
-macro SYS_request_key            249 end
+const SYS_request_key            249 end
-macro SYS_keyctl                 250 end
+const SYS_keyctl                 250 end
-macro SYS_ioprio_set             251 end
+const SYS_ioprio_set             251 end
-macro SYS_ioprio_get             252 end
+const SYS_ioprio_get             252 end
-macro SYS_inotify_init           253 end
+const SYS_inotify_init           253 end
-macro SYS_inotify_add_watch      254 end
+const SYS_inotify_add_watch      254 end
-macro SYS_inotify_rm_watch       255 end
+const SYS_inotify_rm_watch       255 end
-macro SYS_migrate_pages          256 end
+const SYS_migrate_pages          256 end
-macro SYS_openat                 257 end
+const SYS_openat                 257 end
-macro SYS_mkdirat                258 end
+const SYS_mkdirat                258 end
-macro SYS_mknodat                259 end
+const SYS_mknodat                259 end
-macro SYS_fchownat               260 end
+const SYS_fchownat               260 end
-macro SYS_futimesat              261 end
+const SYS_futimesat              261 end
-macro SYS_newfstatat             262 end
+const SYS_newfstatat             262 end
-macro SYS_unlinkat               263 end
+const SYS_unlinkat               263 end
-macro SYS_renameat               264 end
+const SYS_renameat               264 end
-macro SYS_linkat                 265 end
+const SYS_linkat                 265 end
-macro SYS_symlinkat              266 end
+const SYS_symlinkat              266 end
-macro SYS_readlinkat             267 end
+const SYS_readlinkat             267 end
-macro SYS_fchmodat               268 end
+const SYS_fchmodat               268 end
-macro SYS_faccessat              269 end
+const SYS_faccessat              269 end
-macro SYS_pselect6               270 end
+const SYS_pselect6               270 end
-macro SYS_ppoll                  271 end
+const SYS_ppoll                  271 end
-macro SYS_unshare                272 end
+const SYS_unshare                272 end
-macro SYS_set_robust_list        273 end
+const SYS_set_robust_list        273 end
-macro SYS_get_robust_list        274 end
+const SYS_get_robust_list        274 end
-macro SYS_splice                 275 end
+const SYS_splice                 275 end
-macro SYS_tee                    276 end
+const SYS_tee                    276 end
-macro SYS_sync_file_range        277 end
+const SYS_sync_file_range        277 end
-macro SYS_vmsplice               278 end
+const SYS_vmsplice               278 end
-macro SYS_move_pages             279 end
+const SYS_move_pages             279 end
-macro SYS_utimensat              280 end
+const SYS_utimensat              280 end
-macro SYS_epoll_pwait            281 end
+const SYS_epoll_pwait            281 end
-macro SYS_signalfd               282 end
+const SYS_signalfd               282 end
-macro SYS_timerfd_create         283 end
+const SYS_timerfd_create         283 end
-macro SYS_eventfd                284 end
+const SYS_eventfd                284 end
-macro SYS_fallocate              285 end
+const SYS_fallocate              285 end
-macro SYS_timerfd_settime        286 end
+const SYS_timerfd_settime        286 end
-macro SYS_timerfd_gettime        287 end
+const SYS_timerfd_gettime        287 end
-macro SYS_accept4                288 end
+const SYS_accept4                288 end
-macro SYS_signalfd4              289 end
+const SYS_signalfd4              289 end
-macro SYS_eventfd2               290 end
+const SYS_eventfd2               290 end
-macro SYS_epoll_create1          291 end
+const SYS_epoll_create1          291 end
-macro SYS_dup3                   292 end
+const SYS_dup3                   292 end
-macro SYS_pipe2                  293 end
+const SYS_pipe2                  293 end
-macro SYS_inotify_init1          294 end
+const SYS_inotify_init1          294 end
-macro SYS_preadv                 295 end
+const SYS_preadv                 295 end
-macro SYS_pwritev                296 end
+const SYS_pwritev                296 end
-macro SYS_rt_tgsigqueueinfo      297 end
+const SYS_rt_tgsigqueueinfo      297 end
-macro SYS_perf_event_open        298 end
+const SYS_perf_event_open        298 end
-macro SYS_recvmmsg               299 end
+const SYS_recvmmsg               299 end
-macro SYS_fanotify_init          300 end
+const SYS_fanotify_init          300 end
-macro SYS_fanotify_mark          301 end
+const SYS_fanotify_mark          301 end
-macro SYS_prlimit64              302 end
+const SYS_prlimit64              302 end
-macro SYS_name_to_handle_at      303 end
+const SYS_name_to_handle_at      303 end
-macro SYS_open_by_handle_at      304 end
+const SYS_open_by_handle_at      304 end
-macro SYS_clock_adjtime          305 end
+const SYS_clock_adjtime          305 end
-macro SYS_syncfs                 306 end
+const SYS_syncfs                 306 end
-macro SYS_sendmmsg               307 end
+const SYS_sendmmsg               307 end
-macro SYS_setns                  308 end
+const SYS_setns                  308 end
-macro SYS_getcpu                 309 end
+const SYS_getcpu                 309 end
-macro SYS_process_vm_readv       310 end
+const SYS_process_vm_readv       310 end
-macro SYS_process_vm_writev      311 end
+const SYS_process_vm_writev      311 end
-macro SYS_kcmp                   312 end
+const SYS_kcmp                   312 end
-macro SYS_finit_module           313 end
+const SYS_finit_module           313 end

include/mem.mcl

@@ -1,27 +0,0 @@
-
-macro load8 @8 end
-macro store8 !8 end
-
-macro load64
-    7 + 0
-    8 shl over !8 + swap 1 - swap 
-    8 shl over !8 + swap 1 - swap 
-    8 shl over !8 + swap 1 - swap 
-    8 shl over !8 + swap 1 - swap 
-    8 shl over !8 + swap 1 - swap 
-    8 shl over !8 + swap 1 - swap 
-    8 shl over !8 + swap 1 - swap 
-    8 shl over !8 + swap drop
-end
-
-macro store64
-    2dup 255 band @8 shr swap 1 + swap
-    2dup 255 band @8 shr swap 1 + swap
-    2dup 255 band @8 shr swap 1 + swap
-    2dup 255 band @8 shr swap 1 + swap
-    2dup 255 band @8 shr swap 1 + swap
-    2dup 255 band @8 shr swap 1 + swap
-    2dup 255 band @8 shr swap 1 + swap
-    2dup 255 band @8 shr swap 2drop
-end
-

include/std.mcl

@@ -3,3 +3,4 @@ include "io.mcl"
 include "util.mcl"
 include "int.mcl"
 include "fs.mcl"
+include "compat.mcl"

include/util.mcl

@@ -5,11 +5,11 @@
 // @arg str_len: Int
 // @arg str_ptr: Ptr
 // @ret NULL/NEVER
-macro assert
+fn assert with bool int ptr returns void then
     rot
     if else
     "Assert failed: \"" eputs eputs
     "\". Exiting!\n" eputs
     1 exit
     end
-end
+done

src/compile/linux_x86_64.rs

@@ -1,12 +1,15 @@
-use std::{fs, path::PathBuf, io::{Write, BufWriter}};
+use std::{fs, path::PathBuf, io::{Write, BufWriter}, collections::HashMap};
 use crate::{constants::{Operator, OpType, KeywordType}, Args};
 use color_eyre::Result;
 use crate::compile::commands::linux_x86_64_compile_and_link;
 use crate::constants::InstructionType;
-use super::commands::linux_x86_64_run;
+use super::{commands::linux_x86_64_run, Constant, Memory, Function};
+use eyre::eyre;
 
 
 pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
+    let debug = args.get_opt_level()? < 1;
+
     let mut of_c = PathBuf::from(&args.out_file);
     let (mut of_o, mut of_a) = if args.out_file == *crate::DEFAULT_OUT_FILE {
         let of_o = PathBuf::from("/tmp/mclang_comp.o");
@@ -23,17 +26,18 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
     of_a.set_extension("nasm");
 
 
-
     let file = fs::File::create(&of_a)?;
     let mut writer = BufWriter::new(&file);
-    let mut memories:  Vec<(usize, usize)> = Vec::new();
+    let mut memories:  Vec<Memory> = Vec::new();
+    let mut constants:  HashMap<String, Constant> = HashMap::new();
+    let mut functions: Vec<Function> = Vec::new();
     // println!("{}", tokens.len());
     let mut strings: Vec<String> = Vec::new();
     
     writeln!(writer, "BITS 64")?;
     writeln!(writer, "segment .text")?;
 
-    writeln!(writer, "print:")?;
+    writeln!(writer, "_dbg_print:")?;
     writeln!(writer, "    mov     r9, -3689348814741910323")?;
     writeln!(writer, "    sub     rsp, 40")?;
     writeln!(writer, "    mov     BYTE [rsp+31], 10")?;
@@ -69,45 +73,75 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
 
     writeln!(writer, "global _start")?;
     writeln!(writer, "_start:")?; 
+    writeln!(writer, "    lea rbp, [rel ret_stack]")?;
+    writeln!(writer, "    call main")?;
+    writeln!(writer, "    jmp end")?;
+
 
     let mut ti = 0;
     while ti < tokens.len() {
         let token = &tokens[ti];
-
+        // println!("{:?}", token);
+        if debug {
             writeln!(writer, "addr_{ti}:")?;
+            if token.typ == OpType::Instruction(InstructionType::PushInt) {
+                writeln!(writer, "    ;; -- {:?} {}", token.typ, token.value)?;
+            } else if token.typ == OpType::Instruction(InstructionType::PushStr) {
+                writeln!(writer, "    ;; -- {:?} {}", token.typ, token.text.escape_debug())?;
+            } else {
+                writeln!(writer, "    ;; -- {:?}", token.typ)?;
+            }
+        } else {
+
+            if ti != 0 && tokens[ti-1].typ == OpType::Keyword(KeywordType::Else) ||
+                tokens[ti-1].typ == OpType::Keyword(KeywordType::End){
+                writeln!(writer, "addr_{ti}:")?;
+            }
+
+            if ti + 1 < tokens.len() && tokens[ti+1].typ == OpType::Keyword(KeywordType::End) {
+                writeln!(writer, "addr_{ti}:")?;
+            }
+            
+            if let OpType::Keyword(keyword) = &token.typ {
+                match keyword {
+                    &KeywordType::End |
+                    &KeywordType::While => {
+                        writeln!(writer, "addr_{ti}:")?;
+                    }
+                    _ => ()
+                }
+            }
+
+        }
         match token.typ.clone() {
             // stack
 
             OpType::Instruction(instruction) => {
                 match instruction {
                     InstructionType::PushInt => {
-                        writeln!(writer, "    ;; -- push int {}", token.value)?;
                         writeln!(writer, "    mov rax, {}", token.value)?;
                         writeln!(writer, "    push rax")?;
                         ti += 1;
                     },
                     InstructionType::PushStr => {
-                        writeln!(writer, "    ;; -- push str \"{}\"", token.text.escape_default())?;
                         writeln!(writer, "    mov rax, {}", token.text.len())?;
                         writeln!(writer, "    push rax")?;
-                        writeln!(writer, "    push str_{}", strings.len())?;
+                        writeln!(writer, "    mov rax, str_{}", strings.len())?;
+                        writeln!(writer, "    push rax")?;
                         strings.push(token.text.clone());
                         ti += 1;
                     }
                     InstructionType::Drop => {
-                        writeln!(writer, "    ;; -- drop")?;
                         writeln!(writer, "    pop rax")?;
                         ti += 1;
                     },
                     InstructionType::Print => {
-                        writeln!(writer, "    ;; -- print")?;
                         writeln!(writer, "    pop rdi")?;
-                        writeln!(writer, "    call print")?;
+                        writeln!(writer, "    call _dbg_print")?;
                         ti += 1;
                     },
         
                     InstructionType::Dup => {
-                        writeln!(writer, "    ;; -- dup")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    push rax")?;
                         writeln!(writer, "    push rax")?;
@@ -116,7 +150,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                     },
         
                     InstructionType::Rot => {
-                        writeln!(writer, "    ;; -- rot")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    pop rcx")?;
@@ -127,7 +160,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Swap => {
-                        writeln!(writer, "    ;; -- swap")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    push rax")?;
@@ -136,7 +168,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Over => {
-                        writeln!(writer, "    ;; -- over")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    push rbx")?;
@@ -145,33 +176,51 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
         
                         ti += 1;
                     },
-        
-                    //mem
-                    InstructionType::Mem => {
-                        writeln!(writer, "    ;; -- mem")?;
-                        writeln!(writer, "    push mem")?;
-                        ti += 1;
-                    }
                     InstructionType::Load8 => {
-                        writeln!(writer, "    ;; -- load")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    xor rbx, rbx")?;
-                        writeln!(writer, "    mov bl, [rax]")?;
+                        writeln!(writer, "    mov bl, byte [rax]")?;
                         writeln!(writer, "    push rbx")?;
                         ti += 1;
                     }
         
                     InstructionType::Store8 => {
-                        writeln!(writer, "    ;; -- store")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    pop rax")?;
-                        writeln!(writer, "    mov [rax], bl")?;
+                        writeln!(writer, "    mov byte [rax], bl")?;
+                        ti += 1;
+                    }
+                    InstructionType::Load32 => {
+                        writeln!(writer, "    pop rax")?;
+                        writeln!(writer, "    xor rbx, rbx")?;
+                        writeln!(writer, "    mov bl, dword [rax]")?;
+                        writeln!(writer, "    push rbx")?;
+                        ti += 1;
+                    }
+        
+                    InstructionType::Store32 => {
+                        writeln!(writer, "    pop rbx")?;
+                        writeln!(writer, "    pop rax")?;
+                        writeln!(writer, "    mov dword[rax], bl")?;
+                        ti += 1;
+                    }
+                    InstructionType::Load64 => {
+                        writeln!(writer, "    pop rax")?;
+                        writeln!(writer, "    xor rbx, rbx")?;
+                        writeln!(writer, "    mov bl, qword [rax]")?;
+                        writeln!(writer, "    push rbx")?;
+                        ti += 1;
+                    }
+        
+                    InstructionType::Store64 => {
+                        writeln!(writer, "    pop rbx")?;
+                        writeln!(writer, "    pop rax")?;
+                        writeln!(writer, "    mov qword [rax], bl")?;
                         ti += 1;
                     }
         
                     // math
                     InstructionType::Plus => {
-                        writeln!(writer, "    ;; -- plus")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    add rax, rbx")?;
@@ -179,7 +228,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Minus => {
-                        writeln!(writer, "    ;; -- minus")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    sub rbx, rax")?;
@@ -187,7 +235,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Equals => {
-                        writeln!(writer, "    ;; -- equals")?;
                         writeln!(writer, "    mov rcx, 0")?;
                         writeln!(writer, "    mov rdx, 1")?;
                         writeln!(writer, "    pop rax")?;
@@ -198,7 +245,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Lt => {
-                        writeln!(writer, "    ;; -- lt")?;
                         writeln!(writer, "    mov rcx, 0")?;
                         writeln!(writer, "    mov rdx, 1")?;
                         writeln!(writer, "    pop rbx")?;
@@ -209,7 +255,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Gt => {
-                        writeln!(writer, "    ;; -- gt")?;
                         writeln!(writer, "    mov rcx, 0")?;
                         writeln!(writer, "    mov rdx, 1")?;
                         writeln!(writer, "    pop rbx")?;
@@ -220,7 +265,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::NotEquals => {
-                        writeln!(writer, "    ;; -- not equals")?;
                         writeln!(writer, "    mov rcx, 1")?;
                         writeln!(writer, "    mov rdx, 0")?;
                         writeln!(writer, "    pop rax")?;
@@ -231,7 +275,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Le => {
-                        writeln!(writer, "    ;; -- lt")?;
                         writeln!(writer, "    mov rcx, 0")?;
                         writeln!(writer, "    mov rdx, 1")?;
                         writeln!(writer, "    pop rbx")?;
@@ -242,7 +285,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Ge => {
-                        writeln!(writer, "    ;; -- gt")?;
                         writeln!(writer, "    mov rcx, 0")?;
                         writeln!(writer, "    mov rdx, 1")?;
                         writeln!(writer, "    pop rbx")?;
@@ -253,7 +295,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Band => {
-                        writeln!(writer, "    ;; -- band")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    and rbx, rax")?;
@@ -261,7 +302,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Bor => {
-                        writeln!(writer, "    ;; -- bor")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    or rbx, rax")?;
@@ -269,7 +309,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Shr => {
-                        writeln!(writer, "    ;; -- shr")?;
                         writeln!(writer, "    pop rcx")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    shr rbx, cl")?;
@@ -277,7 +316,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Shl => {
-                        writeln!(writer, "    ;; -- shl")?;
                         writeln!(writer, "    pop rcx")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    shl rbx, cl")?;
@@ -285,7 +323,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::DivMod => {
-                        writeln!(writer, "    ;; -- div")?;
                         writeln!(writer, "    xor rdx, rdx")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    pop rax")?;
@@ -295,7 +332,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Mul => {
-                        writeln!(writer, "    ;; -- mul")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rbx")?;
                         writeln!(writer, "    mul rbx")?;
@@ -303,14 +339,12 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Syscall0 => {
-                        writeln!(writer, "    ;; -- syscall0")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    syscall")?;
                         writeln!(writer, "    push rax")?;
                         ti += 1;
                     },
                     InstructionType::Syscall1 => {
-                        writeln!(writer, "    ;; -- syscall1")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rdi")?;
                         writeln!(writer, "    syscall")?;
@@ -318,7 +352,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Syscall2 => {
-                        writeln!(writer, "    ;; -- syscall2")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rdi")?;
                         writeln!(writer, "    pop rsi")?;
@@ -327,7 +360,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Syscall3 => {
-                        writeln!(writer, "    ;; -- syscall3")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rdi")?;
                         writeln!(writer, "    pop rsi")?;
@@ -338,7 +370,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Syscall4 => {
-                        writeln!(writer, "    ;; -- syscall4")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rdi")?;
                         writeln!(writer, "    pop rsi")?;
@@ -349,7 +380,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Syscall5 => {
-                        writeln!(writer, "    ;; -- syscall5")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rdi")?;
                         writeln!(writer, "    pop rsi")?;
@@ -361,7 +391,6 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::Syscall6 => {
-                        writeln!(writer, "    ;; -- syscall6")?;
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    pop rdi")?;
                         writeln!(writer, "    pop rsi")?;
@@ -374,14 +403,48 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                         ti += 1;
                     },
                     InstructionType::MemUse => {
-                        writeln!(writer, "    ;; -- MemUse")?;
                         writeln!(writer, "    push mem_{}", token.addr.unwrap())?;
                         ti += 1;
                     },
-                    InstructionType::None => unreachable!(),
+                    InstructionType::None => {
-                    InstructionType::CastBool => ti += 1,
+                        println!("{token:?}");
-                    InstructionType::CastPtr => ti += 1,
+                        unreachable!()
-                    InstructionType::CastInt => ti += 1,
+                    },
+                    InstructionType::FnCall => {
+                        writeln!(writer, "    call {}", token.text)?;
+                        ti += 1;
+                    },
+                    InstructionType::Return => {
+                        writeln!(writer, "    sub rbp, 8")?;
+                        writeln!(writer, "    mov rbx, qword [rbp]")?;
+                        writeln!(writer, "    push rbx")?;
+                        writeln!(writer, "    ret")?;
+                        ti += 1;
+                    },
+                    InstructionType::CastBool |
+                    InstructionType::CastPtr |
+                    InstructionType::CastInt |
+                    InstructionType::CastVoid |
+                    InstructionType::TypeBool |
+                    InstructionType::TypePtr |
+                    InstructionType::TypeInt |
+                    InstructionType::TypeVoid |
+                    InstructionType::TypeStr |
+                    InstructionType::TypeAny |
+                    InstructionType::Returns |
+                    InstructionType::With => {
+                        ti += 1;
+                    }
+                    InstructionType::ConstUse => {
+                        writeln!(writer, "    mov rax, qword [const_{}]", token.text)?;
+                        writeln!(writer, "    push rax")?;
+
+                        let mut c = constants.get(&token.text).unwrap().clone();
+                        c.used = true;
+                        constants.remove(&token.text);
+                        constants.insert(token.text.clone(), c);
+                        ti += 1;
+                    },
                 }
             }
 
@@ -390,48 +453,69 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
                 match keyword {
 
                     // block
-                    KeywordType::If => {
+                    KeywordType::If |
-                        writeln!(writer, "    ;; -- if")?;
+                    KeywordType::Do => {
                         writeln!(writer, "    pop rax")?;
                         writeln!(writer, "    test rax, rax")?;
                         writeln!(writer, "    jz addr_{}", token.jmp)?;
                         ti += 1;
-                    },
+                    }
                     KeywordType::Else => {
-                        writeln!(writer, "    ;; -- else")?;
                         writeln!(writer, "    jmp addr_{}", token.jmp)?;
                         ti += 1;
                     },
                     KeywordType::While => {
-                        writeln!(writer, "    ;; -- while")?;
-                        ti += 1;
-                    }
-                    KeywordType::Do => {
-                        writeln!(writer, "    ;; -- do")?;
-                        writeln!(writer, "    pop rax")?;
-                        writeln!(writer, "    test rax, rax")?;
-                        writeln!(writer, "    jz addr_{}", token.jmp)?;
                         ti += 1;
                     }
                     KeywordType::End => {
-                        writeln!(writer, "    ;; -- end")?;
                         if ti + 1 != token.jmp {
-                            writeln!(writer, "    jmp addr_{}", token.jmp)?;
+                            // writeln!(writer, "    jmp addr_{}", token.jmp)?;
                         }
                         ti += 1;
                     },
                     KeywordType::Memory => {
-                        memories.push((token.addr.unwrap(), token.value));
+                        memories.push(Memory { size: token.value, loc: token.loc.clone(), id: token.addr.unwrap() });
                         ti += 1;
                     }
-                    KeywordType::Macro |
+                    KeywordType::ConstantDef => {
-                    KeywordType::Include
+                        // TODO: after we add c style strings add supoort for them in constants
-                        => unreachable!()
+                        let a = args.get_opt_level()? < 1;
+                        let c = Constant{
+                            loc: token.loc.clone(),
+                            name: token.text.clone(),
+                            value_i: Some(token.value),
+                            value_s: None,
+                            used: a,
+                        };
+                        
+                        constants.insert(token.text.clone(), c);
+                        ti += 1;
+                    },
+                    KeywordType::FunctionDef => {
+                        writeln!(writer, "{}:", token.text)?;
+                        writeln!(writer, "    pop rbx")?;
+                        writeln!(writer, "    mov qword [rbp], rbx")?;
+                        writeln!(writer, "    add rbp, 8")?;
+                        functions.push(Function { loc: token.loc.clone(), name: token.text.clone() });
+                        ti += 1;
+                    },
+                    KeywordType::FunctionDone => {
+                        writeln!(writer, "    sub rbp, 8")?;
+                        writeln!(writer, "    mov rbx, qword [rbp]")?;
+                        writeln!(writer, "    push rbx")?;
+                        writeln!(writer, "    ret")?;
+                        ti += 1;
+                    }
+                    KeywordType::FunctionThen => ti += 1,
+                    KeywordType::Function |
+                    KeywordType::Include |
+                    KeywordType::Constant => unreachable!(),
                 }
             }
         }
     }
     writeln!(writer, "addr_{ti}:")?;
+    writeln!(writer, "end:")?;
     writeln!(writer, "    mov rax, 60")?;
     writeln!(writer, "    mov rdi, 0")?;
     writeln!(writer, "    syscall")?;
@@ -442,18 +526,65 @@ pub fn compile(tokens: &[Operator], args: &Args) -> Result<i32>{
         writeln!(writer, "    str_{}: db {} ; {}", i, s_list, s.escape_default())?;
     }
     
-    writeln!(writer, "segment .bss")?;
+    for (_, c) in constants {
-    for (_, s) in memories.iter().enumerate() {
+        if !c.used {
-        writeln!(writer, "    mem_{}: resb {}", s.0, s.1)?;
+            continue;
         }
-    writeln!(writer, "    mem: resb {}", crate::compile::MEM_SZ)?;
+
+        if let Some(v) = &c.value_i {
+            writeln!(writer, "    const_{}: dq {}", c.name, v)?;
+        } else if let Some(_v) = &c.value_s {
+            todo!();
+        } else {
+            unreachable!();
+        }
+
+    }
+    
+    
+    writeln!(writer, "segment .bss")?;
+    for s in memories {
+        writeln!(writer, "    mem_{}: resb {}", s.id, s.size)?;
+    }
+    writeln!(writer, "    ret_stack: resq 256")?;
+    
+    // for t in tokens {
+    //     println!("{t:?}");
+    // }
 
     writer.flush()?;
+
+    
+    pre_compile_steps(
+        String::from_utf8_lossy(writer.buffer()).to_string().as_str(),
+        functions
+    )?;
+
     linux_x86_64_compile_and_link(&of_a, &of_o, &of_c, args.quiet)?;
     if args.run {
         let c = linux_x86_64_run(&of_c, &[], args.quiet)?;
         return Ok(c);
     }
 
+
     Ok(0)
 }
+
+
+fn pre_compile_steps(_code: &str, functions: Vec<Function>) -> Result<()> {
+    let mut has_main = false;
+
+    for func in functions {
+        if func.name == "main" {
+            has_main = true;
+        }
+    }
+
+
+    if !has_main {
+        crate::errors::missing_main_fn();
+        return Err(eyre!(""));
+    }
+    
+    Ok(())
+}

src/compile/mod.rs

@@ -1,5 +1,27 @@
+use crate::constants::Loc;
+
 pub mod linux_x86_64;
 pub mod commands;
 
-pub const MEM_SZ: usize = 640 * 1000; // 4kb
+#[derive(Debug, Clone)]
-pub const STRING_SZ: usize = 640 * 1000; // 4kb
+pub struct Constant {
+    pub loc: Loc,
+    pub name: String,
+    pub value_i: Option<usize>,
+    pub value_s: Option<String>,
+    pub used: bool
+    // extern: bool
+}
+
+#[derive(Debug, Clone)]
+pub struct Memory {
+    pub size: usize,
+    pub loc: Loc,
+    pub id: usize
+}
+
+#[derive(Debug, Clone)]
+pub struct Function {
+    pub loc: Loc,
+    pub name: String
+}

src/config.rs

@@ -0,0 +1,20 @@
+/**
+ * Prints out extra information
+ */
+pub const DEV_MODE: bool = true;
+
+pub const DEFAULT_OUT_FILE: &str = "a.out";
+pub const DEFAULT_INCLUDES: [&str;1] = [
+    "./include",
+    // "~/.mclang/include",
+];
+
+
+/**
+ * Interpreting configs
+ * `MEM_SZ` is the buffer size for memory
+ * `STRING_SZ` is the buffer size for strings
+ * if you have buffer overflow consider increasing these
+ */
+pub const MEM_SZ: usize = 640 * 1000; // 4kb
+pub const STRING_SZ: usize = 640 * 1000; // 4kb

src/constants.rs

@@ -1,5 +1,4 @@
 
-pub const ALLOW_MACRO_REDEFINITION: bool = true;
 
 
 #[derive(Debug, Clone, PartialEq)]
@@ -33,9 +32,12 @@ pub enum InstructionType {
 
 
     // mem
-    Mem,
     Load8,
     Store8,
+    Load32,
+    Store32,
+    Load64,
+    Store64,
 
     // syscalls
     Syscall0,
@@ -49,21 +51,41 @@ pub enum InstructionType {
     CastBool,
     CastPtr,
     CastInt,
+    CastVoid,
 
+    // typing
+    TypeBool,
+    TypePtr,
+    TypeInt,
+    TypeVoid,
+    TypeStr,
+    TypeAny,
+    Returns,
+    With,
+
+    FnCall,
     MemUse,
+    ConstUse,
+
+    Return,
     None // Used for macros and any other non built in word definitions
 
 }
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum KeywordType {
     If,
     Else,
     End,
     While,
     Do,
-    Macro,
     Include,
-    Memory
+    Memory,
+    Constant,
+    ConstantDef,
+    Function,
+    FunctionDef,
+    FunctionThen,
+    FunctionDone
 }
 
 #[derive(Debug, Clone, PartialEq)]
@@ -75,6 +97,7 @@ pub enum OpType {
 #[derive(Debug, Clone)]
 pub struct Operator{
     pub typ: OpType,
+    pub tok_typ: TokenType,
     pub value: usize,
     pub text: String, //? only used for OpType::PushStr
     pub addr: Option<usize>, //? only used for OpType::PushStr
@@ -83,14 +106,15 @@ pub struct Operator{
 }
 
 impl Operator {
-    pub fn new(typ: OpType, value: usize, text: String, file: String, row: usize, col: usize) -> Self {
+    pub fn new(typ: OpType, tok_typ: TokenType, value: usize, text: String, file: String, row: usize, col: usize) -> Self {
         Self {
             typ,
             value,
             jmp: 0,
             addr: None,
             text,
-            loc: (file, row, col)
+            loc: (file, row, col),
+            tok_typ,
         }
     }
     pub fn set_addr(mut self, addr: usize) -> Self {
@@ -108,7 +132,7 @@ impl OpType {
 
                     InstructionType::PushInt => "Number",
                     InstructionType::PushStr => "String",
-                    InstructionType::Print => "print",
+                    InstructionType::Print => "_dbg_print",
                     InstructionType::Dup => "dup",
                     InstructionType::Drop => "drop",
                     InstructionType::Rot => "rot",
@@ -128,9 +152,12 @@ impl OpType {
                     InstructionType::Shl => "shl",
                     InstructionType::DivMod => "divmod",
                     InstructionType::Mul => "*",
-                    InstructionType::Mem => "mem",
+                    InstructionType::Load8 => "load8",
-                    InstructionType::Load8 => "!8",
+                    InstructionType::Store8 => "store8",
-                    InstructionType::Store8 => "@8",
+                    InstructionType::Load32 => "load32",
+                    InstructionType::Store32 => "store32",
+                    InstructionType::Load64 => "load64",
+                    InstructionType::Store64 => "store64",
                     InstructionType::Syscall0 => "syscall0",
                     InstructionType::Syscall1 => "syscall1",
                     InstructionType::Syscall2 => "syscall2",
@@ -141,8 +168,20 @@ impl OpType {
                     InstructionType::CastBool => "cast(bool",
                     InstructionType::CastPtr => "cast(ptr)",
                     InstructionType::CastInt => "cast(int)",
-                    InstructionType::MemUse => "MemUse",
+                    InstructionType::CastVoid => "cast(void)",
                     InstructionType::None => "None",
+                    InstructionType::MemUse => "Memory use (internal)",
+                    InstructionType::FnCall => "Function Call (Internal)",
+                    InstructionType::ConstUse => "Constant Use (Internal)",
+                    InstructionType::Return => "return",
+                    InstructionType::TypeBool => "bool",
+                    InstructionType::TypePtr => "ptr",
+                    InstructionType::TypeInt => "int",
+                    InstructionType::TypeVoid => "void",
+                    InstructionType::TypeStr => "str",
+                    InstructionType::Returns => "returns",
+                    InstructionType::With => "with",
+                    InstructionType::TypeAny => "any",
                 }
             }
             OpType::Keyword(keyword) => {
@@ -152,9 +191,14 @@ impl OpType {
                     KeywordType::End => "end",
                     KeywordType::While => "while",
                     KeywordType::Do => "do",
-                    KeywordType::Macro => "macro",
                     KeywordType::Include => "include",
-                    KeywordType::Memory => "memory"
+                    KeywordType::Memory => "memory",
+                    KeywordType::Function => "fn",
+                    KeywordType::Constant => "const",
+                    KeywordType::FunctionThen => "then",
+                    KeywordType::FunctionDone => "done",
+                    KeywordType::ConstantDef => "constant Definition (internal)",
+                    KeywordType::FunctionDef => "function definition (internal)"
                 }
             }
             
@@ -171,7 +215,7 @@ pub struct Token {
     pub typ: TokenType,
     pub value: Option<usize>, //* only used for Memories
     pub addr: Option<usize>, //* only used for Memories
-    pub op_typ: InstructionType //* only used for Memories
+    pub op_typ: OpType //* only used for Memories
 }
 
 #[derive(Debug, Clone, PartialEq, Copy)]
@@ -210,6 +254,8 @@ pub enum Types {
     Bool,
     Ptr,
     Int,
+    Void,
+    Str,
     Any
     // U8,
     // U16,

src/errors/mod.rs

@@ -0,0 +1,18 @@
+use crate::{error, help, code_block};
+
+
+
+pub fn missing_main_fn() {
+    error!("Main function not found, please create one lol");
+    help!("Heres a basic main function with code that prints hello world:\n{}", 
+        code_block!(
+            concat!(
+                "include \"std.mcl\"\n",
+                "\n",
+                "fn main with void retuns void then\n",
+                "    \"Hello world!\\n\" puts\n",
+                "done\n"
+            )
+        )
+    );
+}

src/interpret/linux_x86_64/mod.rs

@@ -1,9 +1,11 @@
 use std::collections::HashMap;
 
-use crate::{constants::{OpType, Loc, InstructionType, KeywordType}, lerror, error};
+use crate::{constants::{OpType, Loc, InstructionType, KeywordType, Operator}, lerror, error};
 // use crate::util::logger;
 use color_eyre::Result;
 use eyre::eyre;
+
+use super::{Memory, Function, Constant};
 mod syscalls;
 
 fn stack_pop(stack: &mut Vec<usize>, pos: &Loc) -> Result<usize> {
@@ -13,56 +15,66 @@ fn stack_pop(stack: &mut Vec<usize>, pos: &Loc) -> Result<usize> {
     }
 }
 
-pub fn run(tokens: &[crate::constants::Operator]) -> Result<i32>{
+pub fn run(ops: &[crate::constants::Operator]) -> Result<i32>{
     let mut stack: Vec<usize> = Vec::new();
-    let mut ti = 0;
+    let mut mem: Vec<u64> = vec![0; crate::MEM_SZ + crate::STRING_SZ];
-    let mut mem: Vec<u8> = vec![0; crate::compile::MEM_SZ + crate::compile::STRING_SZ];
     let mut string_idx = 0;
     
-    let mut memories: HashMap<usize, usize> = HashMap::new();
+    let prerunned = pre_run(ops);
+    let functions = prerunned.functions;
+    let constants = prerunned.constants;
+    let memories = prerunned.memories;
+
+    let mut ret_stack: Vec<usize> = Vec::new();
+    
     // for token in &tokens {
     //     println!("{{typ: \"{:?}\", val: {}, jmp: {}}}", token.typ, token.value, token.jmp);
-
     // }
-    while ti < tokens.len() {
+        
-        let token = &tokens[ti];
+    // jump to main func    
-        let pos = token.loc.clone();
+    let mut ip = if let Some(i) = functions.get("main") {i.id} else {
-        // println!("{:?}", token.typ);
+        crate::errors::missing_main_fn();
-        match token.typ.clone() {
+        return Err(eyre!(""));
+    };
+    
+    while ip < ops.len() {
+        let op = &ops[ip];
+        let pos = op.loc.clone();
+        match op.typ.clone() {
             OpType::Instruction(instruction) => {
                 match instruction {
                     InstructionType::PushInt => {
-                        stack.push(token.value);
+                        stack.push(op.value);
-                        ti += 1;
+                        ip += 1;
                     },
                     InstructionType::PushStr => {
-                        if  token.addr.is_none() {
+                        if  op.addr.is_none() {
-                            stack.push(token.text.len()); // string len
+                            stack.push(op.text.len()); // string len
-                            stack.push(string_idx + crate::compile::MEM_SZ);
+                            stack.push(string_idx + crate::MEM_SZ);
                             
-                            for c in token.text.bytes() {
+                            for c in op.text.bytes() {
-                                mem[crate::compile::MEM_SZ + string_idx] = c;
+                                mem[crate::MEM_SZ + string_idx] = u64::from(c);
                                 string_idx += 1;
                             }
                         } else {
-                            stack.push(token.text.len()); 
+                            stack.push(op.text.len()); 
-                            if let Some(addr) = token.addr {
+                            if let Some(addr) = op.addr {
                                 stack.push(addr);
                             }
                         }
         
         
-                        ti += 1;
+                        ip += 1;
                     },
                     InstructionType::Drop => {
                         stack.pop();
-                        ti += 1;
+                        ip += 1;
                     },
                     InstructionType::Dup => {
                         let a = stack_pop(&mut stack, &pos)?;
                         stack.push(a);
                         stack.push(a);
-                        ti += 1;
+                        ip += 1;
                     },
         
                     InstructionType::Rot => {
@@ -72,14 +84,14 @@ pub fn run(tokens: &[crate::constants::Operator]) -> Result<i32>{
                         stack.push(b);
                         stack.push(a);
                         stack.push(c);
-                        ti += 1;
+                        ip += 1;
                     }
                     InstructionType::Swap => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(a);
                         stack.push(b);
-                        ti += 1;
+                        ip += 1;
                     }
                     InstructionType::Over => {
                         let a = stack_pop(&mut stack, &pos)?;
@@ -87,43 +99,67 @@ pub fn run(tokens: &[crate::constants::Operator]) -> Result<i32>{
                         stack.push(b);
                         stack.push(a);
                         stack.push(b);
-                        ti += 1;
+                        ip += 1;
                     }
         
                     InstructionType::Print => {
                         let a = stack_pop(&mut stack, &pos)?;
                         println!("{a}");
                         // let _ = io::stdout().flush();
-                        ti += 1;
+                        ip += 1;
                     },
-                    // mem
+                    #[allow(clippy::cast_possible_truncation)]
-        
+                    InstructionType::Load8 |
-                    InstructionType::Mem => {
+                    InstructionType::Load32 |
-                        stack.push(0);
+                    InstructionType::Load64 => {
-                        ti += 1;
-                    }
-                    InstructionType::Load8 => {
                         let a = stack_pop(&mut stack, &pos)?;
-                        if a > crate::compile::MEM_SZ {
+                        if a > crate::MEM_SZ {
-                            lerror!(&token.loc, "Invalid memory address {a}");
+                            lerror!(&op.loc, "Invalid memory address {a}");
                             return Ok(1);
                         }
                         let byte = mem[a];
                         stack.push(byte as usize);
-                        ti += 1;
+                        ip += 1;
                     }
                     #[allow(clippy::cast_possible_truncation)]
                     InstructionType::Store8 => {
                         let val = stack_pop(&mut stack, &pos)?;
                         let addr = stack_pop(&mut stack, &pos)?;
                         
-                        if addr > crate::compile::MEM_SZ {
+                        if addr > crate::MEM_SZ {
-                            lerror!(&token.loc, "Invalid memory address {addr}");
+                            lerror!(&op.loc, "Invalid memory address {addr}");
                             return Ok(1);
                         }
 
-                        mem[addr] = (val & 0xFF) as u8;
+                        mem[addr] = u64::from(val as u8);
-                        ti += 1;
+                        ip += 1;
+                    }
+                    #[allow(clippy::cast_possible_truncation)]
+                    InstructionType::Store32 => {
+                        let val = stack_pop(&mut stack, &pos)?;
+                        let addr = stack_pop(&mut stack, &pos)?;
+                        
+                        if addr > crate::MEM_SZ {
+                            lerror!(&op.loc, "Invalid memory address {addr}");
+                            return Ok(1);
+                        }
+
+                        mem[addr] = u64::from(val as u32);
+                        ip += 1;
+                    }
+
+                    #[allow(clippy::cast_possible_truncation)]
+                    InstructionType::Store64 => {
+                        let val = stack_pop(&mut stack, &pos)?;
+                        let addr = stack_pop(&mut stack, &pos)?;
+                        
+                        if addr > crate::MEM_SZ {
+                            lerror!(&op.loc, "Invalid memory address {addr}");
+                            return Ok(1);
+                        }
+
+                        mem[addr] = val as u64;
+                        ip += 1;
                     }
         
                     // math
@@ -131,77 +167,77 @@ pub fn run(tokens: &[crate::constants::Operator]) -> Result<i32>{
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(b + a);
-                        ti += 1;
+                        ip += 1;
                     },
                     InstructionType::Minus => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(b - a);
-                        ti += 1;
+                        ip += 1;
                     },
                     InstructionType::Equals => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(usize::from(b == a));
-                        ti += 1;
+                        ip += 1;
                     },
                     InstructionType::Gt => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(usize::from(b > a));
-                        ti += 1;
+                        ip += 1;
                     },
                     InstructionType::Lt => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(usize::from(b < a));
-                        ti += 1;
+                        ip += 1;
                     },
                     InstructionType::NotEquals => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(usize::from(b != a));
-                        ti += 1;
+                        ip += 1;
                     },
                     InstructionType::Ge => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(usize::from(b >= a));
-                        ti += 1;
+                        ip += 1;
                     },
                     InstructionType::Le => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(usize::from(b <= a));
-                        ti += 1;
+                        ip += 1;
                     },
         
                     InstructionType::Band => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(a & b);
-                        ti += 1;
+                        ip += 1;
                     }
         
                     InstructionType::Bor => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(a | b);
-                        ti += 1;
+                        ip += 1;
                     }
         
                     InstructionType::Shr => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(b >> a);
-                        ti += 1;
+                        ip += 1;
                     }
         
                     InstructionType::Shl => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(b << a);
-                        ti += 1;
+                        ip += 1;
                     }
                     
                     InstructionType::DivMod => {
@@ -209,13 +245,13 @@ pub fn run(tokens: &[crate::constants::Operator]) -> Result<i32>{
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(b / a);
                         stack.push(b % a);
-                        ti += 1;
+                        ip += 1;
                     }
                     InstructionType::Mul => {
                         let a = stack_pop(&mut stack, &pos)?;
                         let b = stack_pop(&mut stack, &pos)?;
                         stack.push(b * a);
-                        ti += 1;
+                        ip += 1;
                     }
                     InstructionType::Syscall0 => {
                         todo!();
@@ -245,7 +281,7 @@ pub fn run(tokens: &[crate::constants::Operator]) -> Result<i32>{
                         };
                         stack.push(ret);
                         // println!("{}", stack.len());
-                        ti += 1;
+                        ip += 1;
                     },
                     InstructionType::Syscall4 => {
                         todo!();
@@ -261,13 +297,41 @@ pub fn run(tokens: &[crate::constants::Operator]) -> Result<i32>{
                     },
                     InstructionType::MemUse => {
 
-                        let m = memories.get(&token.addr.unwrap()).unwrap();
+                        let m = memories.get(&op.addr.unwrap()).unwrap();
-                        stack.push(*m);
+                        stack.push(m.id);
-                        ti += 1;
+                        ip += 1;
                     },
-                    InstructionType::CastBool => ti += 1,
+                    InstructionType::FnCall => {
-                    InstructionType::CastPtr => ti += 1,
+                        ret_stack.push(ip);
-                    InstructionType::CastInt => ti += 1,
+                        let f = functions.get(&op.text).unwrap();
+                        ip = f.id;
+                    }
+                    InstructionType::Return => {
+                        ip = ret_stack.pop().unwrap();
+                        ip += 1;
+                    }
+                    InstructionType::ConstUse => {
+                        let a = constants.get(&op.text).unwrap();
+                        
+                        if let Some(i) = a.value_i {
+                            stack.push(i);
+                        } else if let Some(_s) = a.value_s.clone() {
+                            unimplemented!();
+                        }
+                        ip += 1;
+                    },
+                    InstructionType::CastBool |
+                    InstructionType::CastPtr |
+                    InstructionType::CastInt |
+                    InstructionType::CastVoid |
+                    InstructionType::TypeBool |
+                    InstructionType::TypePtr |
+                    InstructionType::TypeInt |
+                    InstructionType::TypeVoid |
+                    InstructionType::TypeStr |
+                    InstructionType::TypeAny |
+                    InstructionType::Returns |
+                    InstructionType::With => ip += 1,
                     InstructionType::None => unreachable!(),
                 }
 
@@ -279,30 +343,42 @@ pub fn run(tokens: &[crate::constants::Operator]) -> Result<i32>{
                         let a = stack_pop(&mut stack, &pos)?;
                         if a == 0 {
                             // println!("If({ti}) => t: {:?} j: {}", tokens[token.jmp as usize].typ, token.jmp);
-                            ti = token.jmp;
+                            ip = op.jmp;
                         } else {
-                            ti += 1;
+                            ip += 1;
                         }
                     },
                     KeywordType::Else | KeywordType::End => {
-                        ti = token.jmp;
+                        ip = op.jmp;
-                    }
-                    KeywordType::While => {
-                        ti += 1;
                     }
                     KeywordType::Do => {
                         let a = stack.pop().unwrap();
                         if a == 0 {
-                            ti = token.jmp;
+                            ip = op.jmp;
                         } else {
-                            ti += 1;
+                            ip += 1;
                         }
                     }
-                    KeywordType::Memory => {
+                    KeywordType::While | //* exept this one, this one should just skip over
-                        memories.insert(token.addr.unwrap(), token.value);
+                    KeywordType::Memory |
-                        ti += 1;
+                    KeywordType::FunctionDef |
+                    KeywordType::ConstantDef => {
+                        //? Disabled since we now pre run the whole program
+                        // constants.insert(op.text.clone(), Constant { loc: op.loc.clone(), name: op.text.clone(), value_i: Some(op.value), value_s: None, used: false });
+                        ip += 1;
                     },
-                    KeywordType::Macro | KeywordType::Include => unreachable!(),
+                    KeywordType::FunctionDone => {
+                        if let Some(i) = ret_stack.pop() {
+                            ip = i + 1;
+                        } else {
+                            break;
+                        }
+                    },
+                    
+                    KeywordType::FunctionThen  => ip += 1,
+                    KeywordType::Constant |
+                    KeywordType::Function |
+                    KeywordType::Include => unreachable!(),
                 }
             }
             
@@ -312,3 +388,33 @@ pub fn run(tokens: &[crate::constants::Operator]) -> Result<i32>{
 
     Ok(0)
 }
+
+pub struct Defineds {
+    pub memories: HashMap<usize, Memory>,
+    pub functions: HashMap<String, Function>,
+    pub constants: HashMap<String, Constant>
+}
+
+pub fn pre_run(ops: &[Operator]) -> Defineds {
+    let mut defineds = Defineds{
+        memories: HashMap::new(),
+        functions: HashMap::new(),
+        constants: HashMap::new(),
+    };
+    for (ip, op) in ops.iter().enumerate() {
+
+        match op.typ {
+            OpType::Keyword(KeywordType::Memory) => {
+                defineds.memories.insert(op.addr.unwrap(), Memory { size: op.value, loc: op.loc.clone(), id: op.addr.unwrap() });
+            },
+            OpType::Keyword(KeywordType::FunctionDef) => {
+                defineds.functions.insert(op.text.clone(), Function { loc: op.loc.clone(), name: op.text.clone(), id: ip });
+            },
+            OpType::Keyword(KeywordType::ConstantDef) => {
+                defineds.constants.insert(op.text.clone(), Constant { loc: op.loc.clone(), name: op.text.clone(), value_i: Some(op.value), value_s: None, used: false });
+            },
+            _ => ()   
+        }
+    }
+    defineds
+}

src/interpret/linux_x86_64/syscalls.rs

@@ -1,10 +1,10 @@
-
+#[allow(clippy::cast_possible_truncation)]
-pub fn sys_write(sys_n: usize, fd: usize, buff: usize, count: usize, mem: &Vec<u8> ) -> usize {
+pub fn sys_write(sys_n: usize, fd: usize, buff: usize, count: usize, mem: &Vec<u64> ) -> usize {
     let mem = (*mem).clone();
     // println!("{:?}", &mem[buff..(buff + count)]);
     // return 0 ;
     let s = &mem[buff..(buff + count)].iter().map(|i| {
-        char::from_u32(u32::from(*i)).unwrap_or('_').to_string()
+        char::from_u32(u32::from(*i as u8)).unwrap_or('_').to_string()
     }).collect::<String>();
     
     match fd {

src/interpret/mod.rs

@@ -1 +1,27 @@
+use crate::constants::Loc;
+
 pub mod linux_x86_64;
+
+#[derive(Debug, Clone)]
+pub struct Constant {
+    pub loc: Loc,
+    pub name: String,
+    pub value_i: Option<usize>,
+    pub value_s: Option<String>,
+    pub used: bool
+    // extern: bool
+}
+
+#[derive(Debug, Clone)]
+pub struct Memory {
+    pub size: usize,
+    pub loc: Loc,
+    pub id: usize
+}
+
+#[derive(Debug, Clone)]
+pub struct Function {
+    pub loc: Loc,
+    pub name: String,
+    pub id: usize
+}

src/lexer.rs

@@ -1,6 +1,5 @@
 
-use crate::{constants::{Token, TokenType}, preprocessor::preprocess, Args};
+use crate::{constants::{Token, TokenType}, Args};
-use color_eyre::Result;
 
 fn lex_word(s: String, tok_type: TokenType) -> (TokenType, String) {
     match s {
@@ -89,7 +88,7 @@ fn lex_line(text: &str) -> Vec<(usize, String, TokenType)> {
     tokens
 }
 
-pub fn lex<S: Into<String> + std::marker::Copy>(code: &str, file: S, args: &Args, preprocessing: bool) -> Result<Vec<Token>> {
+pub fn lex(code: &str, file: &str, _args: &Args) -> Vec<Token> {
     let lines: Vec<(usize, &str)> = code
         .split(['\n', '\r'])
         .enumerate()
@@ -104,14 +103,14 @@ pub fn lex<S: Into<String> + std::marker::Copy>(code: &str, file: S, args: &Args
         for (col, tok, tok_type) in lt {
             let (tok_type, tok) = lex_word(tok, tok_type);
             let t = Token{
-                file: file.into(),
+                file: file.to_string(),
                 line: row + 1,
                 col,
                 text: tok,
                 typ: tok_type,
                 value: None,
                 addr: None,
-                op_typ: crate::constants::InstructionType::None
+                op_typ: crate::constants::OpType::Instruction(crate::constants::InstructionType::None)
             };
             tokens.push(t);
         }
@@ -121,9 +120,7 @@ pub fn lex<S: Into<String> + std::marker::Copy>(code: &str, file: S, args: &Args
     // for token in tokens.clone() {
     //     println!("tok: {:?}", token.text);
     // }
-    if preprocessing {
-        tokens = preprocess(tokens, args)?;
-    }
     
-    Ok(tokens)
+
+    tokens
 }

src/main.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::wildcard_imports)]
+#![allow(clippy::too_many_lines)]
 mod constants;
 mod interpret;
 mod util;
@@ -7,18 +9,14 @@ mod lexer;
 mod preprocessor;
 mod typechecker;
 mod precompiler;
-
+mod config;
-use std::fs;
+mod errors;
+use config::*;
+use std::{fs, collections::HashMap};
 
 use clap::Parser;
-
+use color_eyre::Result;
-pub const DEFAULT_OUT_FILE: &str = "a.out";
+use eyre::eyre;
-pub const DEFAULT_INCLUDES: [&str;2] = [
-    "./include",
-    "~/.mclang/include",
-];
-
-
 
 #[derive(Parser, Debug, Clone)]
 #[command(author, version, about, long_about = None)]
@@ -53,38 +51,70 @@ pub struct Args {
 
     /// Unsafe mode, disables typechecking
     #[arg(long="unsafe", default_value_t = false)]
-    unsaf: bool
+    unsaf: bool,
+    
+    /// Optimisation level, available levels: 'D': debug, '0': No optimisations
+    #[arg(long, short='O', default_value_t=String::from("0"))]
+    optimisation: String,
 
     //#[arg(long, short='F')]
     //features: Vec<String>,
 
 }
 
-fn main() {
+impl Args {
+    /// Get optimisation level
+    /// 0 => no optimisations
+    /// 1 => slight optimisations, mostly size ones
+    /// # Errors
+    /// 
+    /// Throws when the opt level is not known
+    pub fn get_opt_level(&self) -> Result<usize>{
+        match self.optimisation.as_str() {
+            "D" | "d" => Ok(0),
+            "0" | "" => Ok(1),
+            o => {
+                error!("Unknown optimisation level {o}");
+                Err(eyre!(""))
+            }
+        }
+    }
+}
+
+fn main() -> Result<()>{
 
 
     let args = Args::parse();
 
     let Ok(code) = fs::read_to_string(&args.in_file) else {
         error!("Failed to read file {}, exiting!", &args.in_file);
-        return;
+        return Ok(());
-        
-    };
-    let Ok(tokens) = lexer::lex(&code, &args.in_file, &args, true) else {
-        error!("Lexing failed, exiting!");
-        return;
     };
     
+    let tokens = lexer::lex(&code, args.in_file.as_str(), &args);
 
-    let mut parser = parser::Parser::new(tokens);
+    
-    let Ok(tokens) = parser.parse() else {
+    let mut parser = parser::Parser::new(tokens, &args, None);
+    let tokens = match parser.parse(){
+        Ok(t) => t,
+        Err(e) => {
             error!("Parsing failed, exiting!");
-        return;
+            if crate::DEV_MODE {
+                return Err(e)
+            }
+            return Ok(());
+        }
     };
 
-    let Ok(tokens) = typechecker::typecheck(&tokens, &args) else {
+    match typechecker::typecheck(tokens.clone(), &args, None, HashMap::new(), HashMap::new()) {
+        Ok(_) => (),
+        Err(e) => {
             error!("Typechecking failed, exiting!");
-        return;
+            if crate::DEV_MODE {
+                return Err(e);
+            }
+            return Ok(());
+        }
     };
 
     let c = if args.compile && args.interpret {

src/parser.rs

@@ -1,22 +1,27 @@
 use std::ops::Deref;
 
-use crate::{constants::{Operator, OpType, Token, TokenType, Loc, KeywordType, InstructionType}, lerror};
+use crate::{constants::{Operator, OpType, Token, TokenType, Loc, KeywordType, InstructionType}, lerror, preprocessor::Preprocessor, Args};
 use color_eyre::Result;
 use eyre::eyre;
 
 pub fn cross_ref(mut program: Vec<Operator>) -> Result<Vec<Operator>> {
     let mut stack: Vec<usize> = Vec::new();
+
     for ip in 0..program.len() {
         let op = &program.clone()[ip];
+        // println!("{op:?}");
         match op.typ {
-            OpType::Keyword(KeywordType::If) | 
+            // OpType::Keyword(KeywordType::FunctionDef) |
-            OpType::Keyword(KeywordType::While) => {
+            OpType::Keyword(KeywordType::If | KeywordType::While) => {
                 stack.push(ip);
             }
             OpType::Keyword(KeywordType::Else) => {
-                let if_ip = stack.pop().unwrap();
+                let Some(if_ip) = stack.pop() else {
+                    lerror!(&op.loc, "Unclosed-if else block");
+                    return Err(eyre!("Cross referencing"));
+                };
                 if program[if_ip].typ != OpType::Keyword(KeywordType::If) {
-                    lerror!(&op.clone().loc,"'end' can only close 'if' blocks");
+                    lerror!(&op.clone().loc,"'else' can only close 'if' blocks");
                     return Err(eyre!("Bad block"));
                 }
                 
@@ -24,26 +29,41 @@ pub fn cross_ref(mut program: Vec<Operator>) -> Result<Vec<Operator>> {
                 stack.push(ip);
             },
             OpType::Keyword(KeywordType::End) => {
-                let block_ip = stack.pop().unwrap();
+                let Some(block_ip) = stack.pop() else {
-
+                    lerror!(&op.loc, "Unclosed if, if-else, while-do, function, memory, or constant");
-                if program[block_ip].typ == OpType::Keyword(KeywordType::If) || 
+                    return Err(eyre!("Cross referencing"));
-                   program[block_ip].typ == OpType::Keyword(KeywordType::Else) {
+                };
 
+                match &program[block_ip].typ {
+                    OpType::Keyword(KeywordType::If | KeywordType::Else) => {
                         program[block_ip].jmp = ip;
                         program[ip].jmp = ip + 1;
+                    }
 
-                } else if program[block_ip].typ == OpType::Keyword(KeywordType::Do) {
+                    OpType::Keyword(KeywordType::Do) => {
                         program[ip].jmp = program[block_ip].jmp;
                         program[block_ip].jmp = ip + 1;
-                } else {
+                    }
-                    lerror!(&op.clone().loc,"'end' can only close 'if' blocks");
+                    OpType::Keyword(KeywordType::FunctionThen) => {
+                        program[ip].typ = OpType::Instruction(InstructionType::Return);
+                    }
+                    OpType::Keyword(KeywordType::Memory | KeywordType::Constant) => (),
+
+                    a => {
+                        println!("{a:?}");
+                        lerror!(&op.clone().loc,"'end' can only close if, if-else, while-do, function, memory, or constant blocks");
                         return  Err(eyre!(""));
                     }
+                }
 
             }
             OpType::Keyword(KeywordType::Do) => {
-                let while_ip = stack.pop().unwrap();
+                let Some(block_ip) = stack.pop() else {
-                program[ip].jmp = while_ip;
+                    lerror!(&op.loc, "Unclosed while-do block");
+                    return Err(eyre!("Cross referencing"));
+                };
+
+                program[ip].jmp = block_ip;
                 stack.push(ip);
             }
             _ => ()
@@ -51,21 +71,31 @@ pub fn cross_ref(mut program: Vec<Operator>) -> Result<Vec<Operator>> {
 
     }
     if !stack.is_empty() {
-        lerror!(&program[stack.pop().expect("Empy stack")].clone().loc,"Unclosed block");
+        // println!("{:?}", stack);
+        lerror!(&program[stack.pop().expect("Empy stack")].clone().loc,"Unclosed block, {:?}", program[stack.pop().expect("Empy stack")].clone());
         return Err(eyre!("Unclosed block"));
     }
 
     Ok(program.clone())
 }
 
-pub struct Parser {
+pub struct Parser<'a> {
-    tokens: Vec<Token>
+    tokens: Vec<Token>,
+    pub preprocessor: Preprocessor<'a>,
+    #[allow(dead_code)]
+    args: &'a Args
 }
 
-impl Parser {
+impl<'a> Parser<'a> {
-    pub fn new(file: Vec<Token>) -> Self {
+    pub fn new(file: Vec<Token>, args: &'a Args, p: Option<Preprocessor<'a>>) -> Self {
+        let pre = if let Some(p) = p {p} else {
+            Preprocessor::new(Vec::new(), args)
+        };
+
         Self{
-            tokens: file
+            tokens: file,
+            preprocessor: pre,
+            args
         }
     }
 
@@ -79,19 +109,19 @@ impl Parser {
             let pos = (token.file.clone(), token.line, token.col);
             match token.typ {
                 TokenType::Word => {
-                    let word_type = if token.op_typ == InstructionType::MemUse {
+                    let word_type = if token.op_typ == OpType::Instruction(InstructionType::MemUse) {
                         OpType::Instruction(InstructionType::MemUse)
                     } else {
                         lookup_word(&token.text, &pos)
                     };
 
-                    tokens.push(Operator::new(word_type, token.value.unwrap_or(0), token.text.clone(), token.file.clone(), token.line, token.col).set_addr(token.addr.unwrap_or(0)));
+                    tokens.push(Operator::new(word_type, token.typ, token.value.unwrap_or(0), token.text.clone(), token.file.clone(), token.line, token.col).set_addr(token.addr.unwrap_or(0)));
                 },
                 TokenType::Int => {// negative numbers not yet implemented
-                    tokens.push(Operator::new(OpType::Instruction(InstructionType::PushInt), token.text.parse::<usize>()?, String::new(), token.file.clone(), token.line, token.col));
+                    tokens.push(Operator::new(OpType::Instruction(InstructionType::PushInt), token.typ, token.text.parse::<usize>()?, String::new(), token.file.clone(), token.line, token.col));
                 },
                 TokenType::String => {
-                    tokens.push(Operator::new(OpType::Instruction(InstructionType::PushStr), 0, token.text.clone(), token.file.clone(), token.line, token.col));
+                    tokens.push(Operator::new(OpType::Instruction(InstructionType::PushStr), token.typ, 0, token.text.clone(), token.file.clone(), token.line, token.col));
                 }
                 TokenType::Char => {
                     let c = token.text.clone();
@@ -100,27 +130,29 @@ impl Parser {
                         return Err(eyre!(""));
                     }
 
-                    tokens.push(Operator::new(OpType::Instruction(InstructionType::PushInt), token.text.chars().next().unwrap() as usize, String::new(), token.file.clone(), token.line, token.col));
+                    tokens.push(Operator::new(OpType::Instruction(InstructionType::PushInt), token.typ, token.text.chars().next().unwrap() as usize, String::new(), token.file.clone(), token.line, token.col));
                 }
             };
 
 
-            //"print" => tokens.push(Operator::new(OpType::Print, 0, token.file.clone(), token.line, token.col)),
         }
+        self.preprocessor.program = tokens;
+        let t = self.preprocessor.preprocess()?.get_ops();
+        let t = cross_ref(t)?;
 
-        cross_ref(tokens)
+        Ok(t)
     }
 }
 
 
 pub fn lookup_word<P: Deref<Target = Loc>>(s: &str, _pos: P) -> OpType {
     let n = s.parse::<usize>();
-    if let Ok(_) = n {
+    if n.is_ok() {
         return OpType::Instruction(InstructionType::PushInt);
     }
     match s {
         //stack
-        "print" => OpType::Instruction(InstructionType::Print),
+        "_dbg_print" => OpType::Instruction(InstructionType::Print),
         "dup" => OpType::Instruction(InstructionType::Dup),
         "drop" => OpType::Instruction(InstructionType::Drop),
         "rot" => OpType::Instruction(InstructionType::Rot),
@@ -146,9 +178,12 @@ pub fn lookup_word<P: Deref<Target = Loc>>(s: &str, _pos: P) -> OpType {
         
         
         // mem
-        "mem" => OpType::Instruction(InstructionType::Mem),
         "load8" => OpType::Instruction(InstructionType::Load8),
         "store8" => OpType::Instruction(InstructionType::Store8),
+        "load32" => OpType::Instruction(InstructionType::Load32),
+        "store32" => OpType::Instruction(InstructionType::Store32),
+        "load64" => OpType::Instruction(InstructionType::Load64),
+        "store64" => OpType::Instruction(InstructionType::Store64),
         
         "syscall0" => OpType::Instruction(InstructionType::Syscall0),
         "syscall1" => OpType::Instruction(InstructionType::Syscall1),
@@ -157,18 +192,31 @@ pub fn lookup_word<P: Deref<Target = Loc>>(s: &str, _pos: P) -> OpType {
         "syscall4" => OpType::Instruction(InstructionType::Syscall4),
         "syscall5" => OpType::Instruction(InstructionType::Syscall5),
         "syscall6" => OpType::Instruction(InstructionType::Syscall6),
-        "cast(bool" => OpType::Instruction(InstructionType::CastBool),
+        "cast(bool)" => OpType::Instruction(InstructionType::CastBool),
         "cast(ptr)" => OpType::Instruction(InstructionType::CastPtr),
         "cast(int)" => OpType::Instruction(InstructionType::CastInt),
+        "cast(void)" => OpType::Instruction(InstructionType::CastVoid),
         // block
         "if" => OpType::Keyword(KeywordType::If),
         "else" => OpType::Keyword(KeywordType::Else),
         "end" => OpType::Keyword(KeywordType::End),
         "while" => OpType::Keyword(KeywordType::While),
         "do" => OpType::Keyword(KeywordType::Do),
-        "macro" => OpType::Keyword(KeywordType::Macro),
         "include" => OpType::Keyword(KeywordType::Include),
         "memory" => OpType::Keyword(KeywordType::Memory),
+        "const" => OpType::Keyword(KeywordType::Constant),
+        "fn" => OpType::Keyword(KeywordType::Function),
+        "then" => OpType::Keyword(KeywordType::FunctionThen),
+        "done" => OpType::Keyword(KeywordType::FunctionDone),
+        "return" => OpType::Instruction(InstructionType::Return),
+        "returns" => OpType::Instruction(InstructionType::Returns),
+        "bool" => OpType::Instruction(InstructionType::TypeBool),
+        "int" => OpType::Instruction(InstructionType::TypeInt),
+        "ptr" => OpType::Instruction(InstructionType::TypePtr),
+        "void" => OpType::Instruction(InstructionType::TypeVoid),
+        "any" => OpType::Instruction(InstructionType::TypeAny),
+        "str" => OpType::Instruction(InstructionType::TypeStr),
+        "with" => OpType::Instruction(InstructionType::With),
         _ => OpType::Instruction(InstructionType::None)
     }
 

src/precompiler.rs

@@ -2,7 +2,7 @@
 use color_eyre::Result;
 use eyre::eyre;
 
-use crate::{constants::{Token, OpType, InstructionType, Loc}, parser::lookup_word, lerror};
+use crate::{constants::{ OpType, InstructionType, Loc, Operator}, lerror};
 
 fn stack_pop(stack: &mut Vec<usize>, loc: &Loc) -> Result<usize> {
     if let Some(i) = stack.pop() { Ok(i) } else {
@@ -11,23 +11,16 @@ fn stack_pop(stack: &mut Vec<usize>, loc: &Loc) -> Result<usize> {
     }
 }
 
-pub fn precompile(tokens: &Vec<Token>) -> Result<Vec<usize>>{
+pub fn precompile(tokens: &Vec<Operator>) -> Result<Vec<usize>>{
 
     let mut stack: Vec<usize> = Vec::new();
-
     for token in tokens.iter() {
-        let typ = lookup_word(&token.text, &token.loc());
+        match token.typ.clone() {
-        match typ {
             OpType::Instruction(i) => {
-                let loc = token.loc();
+                let loc = token.loc.clone();
                 match i {
                     InstructionType::PushInt => {
-                        if let Ok(i) = token.text.parse::<usize>() {
+                        stack.push(token.value);
-                            stack.push(i);
-                        } else {
-                            lerror!(&token.loc(), "Bad number");
-                            return Err(eyre!(""));
-                        }
                     },
                     InstructionType::Plus => {
                         let a = stack_pop(&mut stack, &loc)?;
@@ -136,14 +129,14 @@ pub fn precompile(tokens: &Vec<Token>) -> Result<Vec<usize>>{
                         stack.push(b);
                     }
                     _ => {
-                        lerror!(&token.loc(), "Unsupported precompiler instruction {:?}", i);
+                        lerror!(&token.loc, "Unsupported precompiler instruction {:?}", i);
                         dbg!(tokens);
                         return Err(eyre!(""));
                     }
                 }
             }
-            _ => {
+            OpType::Keyword(_) => {
-                lerror!(&token.loc(), "Unsupported precompiler keyword {:?}", typ);
+                lerror!(&token.loc, "Unsupported precompiler keyword {:?}", token.typ);
                 dbg!(tokens);
                 return Err(eyre!(""));
             }

src/preprocessor.rs

@@ -1,113 +1,107 @@
 use std::collections::HashMap;
+use std::ops::Deref;
 use std::path::{PathBuf, Path};
 
+
 use color_eyre::Result;
 use eyre::eyre;
 
-use crate::constants::{Token, Loc, OpType, TokenType, KeywordType, InstructionType};
+use crate::constants::{Loc, OpType, TokenType, KeywordType, InstructionType, Operator};
 use crate::lexer::lex;
 use crate::precompiler::precompile;
-use crate::{lerror, lnote, Args, warn, linfo};
+use crate::{lerror, Args, warn, linfo, parser};
 use crate::parser::lookup_word;
 
-#[derive(Debug)]
+
-pub struct Macro {
+
+#[derive(Debug, Clone)]
+pub struct Function {
     pub loc: Loc,
-    pub tokens: Vec<Token>
+    pub name: String
 }
 
-type Macros = HashMap<String, Macro>;
+#[derive(Debug, Clone)]
-type Memories = HashMap<String, usize>;
+pub struct Constant {
+    pub loc: Loc,
+    pub name: String
+}
 
-pub fn preprocess(tokens: Vec<Token>, args: &Args) -> Result<Vec<Token>>{
+#[derive(Debug, Clone)]
+pub struct Memory {
+    pub loc: Loc,
+    pub id: usize
+    
+}
+
+type Functions = HashMap<String, Function>;
+type Memories = HashMap<String, Memory>;
+type Constants = HashMap<String, Constant>;
+
+#[derive(Debug, Clone)]
+pub struct Preprocessor<'a> {
+    pub program: Vec<Operator>,
+    pub functions: Functions,
+    pub memories: Memories,
+    pub constants: Constants,
+    args: &'a Args
+}
 
 
-    let mut program: Vec<Token> = Vec::new();
+impl<'a> Preprocessor<'a> {
-    let mut macros: Macros = HashMap::new();
+    pub fn new(prog: Vec<Operator>, args: &'a Args) -> Self {
-    let mut memories: Memories = HashMap::new();
+        Self {
+            program: prog,
+            args,
+            functions: HashMap::new(),
+            memories: HashMap::new(),
+            constants: HashMap::new(),
+        }
+    }
 
-    let mut rtokens = tokens;
+
+    pub fn preprocess(&mut self) -> Result<&mut Preprocessor<'a>>{
+        // println!("pre: has do tokens: {:?}", self.program.iter().map(|t| if t.typ == OpType::Keyword(KeywordType::Do) {Some(t)} else {None} ).collect::<Vec<Option<&Operator>>>());
+        
+        let mut program: Vec<Operator> = Vec::new();
+
+        let mut rtokens = self.program.clone();
         rtokens.reverse();
         while !rtokens.is_empty() {
             let mut token = rtokens.pop().unwrap();
-        
+            // println!("{token:?}");
-        let op_type = lookup_word(&token.text, &token.loc());
+            let op_type = token.typ.clone();
             match token.clone() {
-            _ if op_type == OpType::Keyword(KeywordType::Macro) => {
-                if rtokens.is_empty(){
-                    lerror!(&token.loc(), "Macro name not found, expected {} but found nothing", TokenType::Word.human());
-                    return Err(eyre!(""));
-                }
-                let macro_name = rtokens.pop().unwrap();
                 
-                if macro_name.typ != TokenType::Word {
-                    lerror!(&macro_name.loc(), "Bad macro name, expected {} but found {}", TokenType::Word.human(), macro_name.typ.human());
-                    return Err(eyre!(""));
-                }
-                let word = lookup_word(&macro_name.text, &macro_name.loc());
-                if word != OpType::Instruction(InstructionType::None) {
-                    lerror!(&macro_name.loc(), "Macro name cannot be a built in word, got '{}'", word.human());
-                    return Err(eyre!(""));
-                }
-
-                if macros.get(&macro_name.text.clone()).is_some() && crate::constants::ALLOW_MACRO_REDEFINITION {
-                    lerror!(&macro_name.loc(), "Macro redefinition is not allowed");
-                    lnote!(&macros.get(&macro_name.text).unwrap().loc, "First definition here");
-                    return Err(eyre!(""));
-                }
-
-                let mut macr = Macro{ loc: macro_name.loc(), tokens: Vec::new() };
-
-                let mut depth = 0;
-                while !rtokens.is_empty() {
-                    let t = rtokens.pop().unwrap();
-                    let typ = lookup_word(&t.text, &t.loc());
-                    if typ == OpType::Keyword(KeywordType::End) && depth == 0 {
-                        break;
-                    } else if typ == OpType::Keyword(KeywordType::End) && depth != 0 {
-                        depth -= 1;
-                        macr.tokens.push(t);
-                    } else if typ == OpType::Keyword(KeywordType::If) || typ == OpType::Keyword(KeywordType::Do) {
-                        macr.tokens.push(t);
-                        depth += 1;
-                    } else {
-                        macr.tokens.push(t);
-                    }
-                }
-
-
-                macros.insert(macro_name.text, macr);
-
-
-            }
 
                 _ if op_type == OpType::Keyword(KeywordType::Include) => {
                     if rtokens.is_empty() {
-                    lerror!(&token.loc(), "Include path not found, expected {} but found nothing", TokenType::String.human());
+                        lerror!(&token.loc, "Include path not found, expected {} but found nothing", TokenType::String.human());
                         return Err(eyre!(""));
                     }
 
                     let include_path = rtokens.pop().unwrap();
 
-                if include_path.typ != TokenType::String {
+                    if include_path.tok_typ != TokenType::String {
-                    lerror!(&include_path.loc(), "Bad include path, expected {} but found {}", TokenType::String.human(), include_path.typ.human());
+                        lerror!(&include_path.loc, "Bad include path, expected {} but found {}", TokenType::String.human(), include_path.typ.human());
                         return Err(eyre!(""));
                     }
 
-                let mut in_paths = args.include.clone();
+                    let mut in_paths = self.args.include.clone();
                     in_paths.append(&mut crate::DEFAULT_INCLUDES.to_vec().clone().iter().map(|f| (*f).to_string()).collect::<Vec<String>>());
                     
                     let mut include_code = String::new();
-                
+                    let mut pth = PathBuf::new();
                     if include_path.text.chars().collect::<Vec<char>>()[0] == '.' {
-                    let p = Path::new(include_path.file.as_str());
+                        let p = Path::new(include_path.loc.0.as_str());
                         let p = p.parent().unwrap();
                         let p = p.join(&include_path.text);
+                        pth = p.clone();
                         include_code = std::fs::read_to_string(p)?;
                     } else {   
                         for path in in_paths {
                             let p = PathBuf::from(path);
                             let p = p.join(&include_path.text);
+                            pth = p.clone();
                             
                             if p.exists() {
                                 include_code = std::fs::read_to_string(p)?;
@@ -117,11 +111,17 @@ pub fn preprocess(tokens: Vec<Token>, args: &Args) -> Result<Vec<Token>>{
                     }
 
                     if include_code.is_empty() {
-                    lerror!(&include_path.loc(), "Include file in path '{}' was not found or is empty", include_path.text);
+                        lerror!(&include_path.loc, "Include file in path '{}' was not found or is empty", include_path.text);
                         return Err(eyre!(""));
                     }
+                    let a = pth.to_str().unwrap().to_string();
+                    let code = lex(&include_code, a.as_str(), self.args);
+                    let mut p = parser::Parser::new(code, self.args, Some(self.clone()));
+                    let mut code = p.parse()?;
 
-                let mut code = lex(&include_code, &include_path.text, args, false)?;
+                    self.set_constants(p.preprocessor.get_constants());
+                    self.set_functions(p.preprocessor.get_functions());
+                    self.set_memories(p.preprocessor.get_memories());
                     code.reverse();
                     rtokens.append(&mut code);
 
@@ -129,30 +129,20 @@ pub fn preprocess(tokens: Vec<Token>, args: &Args) -> Result<Vec<Token>>{
                 }
                 _ if op_type == OpType::Keyword(KeywordType::Memory) => {
                     if rtokens.is_empty() {
-                    lerror!(&token.loc(), "Memory name not found, expected {} but found nothing", TokenType::String.human());
+                        lerror!(&token.loc, "Memory name not found, expected {} but found nothing", TokenType::String.human());
                         return Err(eyre!(""));
                     }
 
-                let memory_name = rtokens.pop().unwrap();
+                    let name = rtokens.pop().unwrap();
 
-                if memory_name.typ != TokenType::Word {
+                    self.is_word_available(&name, KeywordType::Memory)?;
-                    lerror!(&memory_name.loc(), "Bad memory name, expected {} but found {}", TokenType::Word.human(), memory_name.typ.human());
-                    return Err(eyre!(""));
-                }
 
-                if macros.get(&memory_name.text).is_some() {
+                    let mut code: Vec<Operator> = Vec::new();
-                    lerror!(&memory_name.loc(), "Memory name cannot replace macro name, got {}", memory_name.text);
-                    let m = macros.get(&memory_name.text).unwrap();
-                    linfo!(&m.loc, "Macro found here");
-                    return Err(eyre!(""));
-                }
-
-                let mut code: Vec<Token> = Vec::new();
 
                     let mut depth = 0;
                     while !rtokens.is_empty() {
                         let t = rtokens.pop().unwrap();
-                    let typ = lookup_word(&t.text, &t.loc());
+                        let typ = t.typ.clone();
                         if typ == OpType::Keyword(KeywordType::End) && depth == 0 {
                             break;
                         } else if typ == OpType::Keyword(KeywordType::End) && depth != 0 {
@@ -167,29 +157,155 @@ pub fn preprocess(tokens: Vec<Token>, args: &Args) -> Result<Vec<Token>>{
                     }
                     let res = precompile(&code)?;
 
+
                     if res.len() != 1 {
-                    lerror!(&token.loc(), "Expected 1 number, got {:?}", res);
+                        lerror!(&token.loc, "Expected 1 number, got {:?}", res);
                         return Err(eyre!(""));
                     }
-                token.value = Some(res[0]);
+                    token.value = res[0];
-                token.addr = Some(memories.len());
+                    token.addr = Some(self.memories.len());
-                program.push(token);
+                    program.push(token.clone());
 
-                memories.insert(memory_name.text, memories.len());
+                    self.memories.insert(name.text, Memory { loc: token.loc, id: self.memories.len() });
 
                 }
+                _ if op_type == OpType::Keyword(KeywordType::Function) => {
+                    if rtokens.is_empty() {
+                        lerror!(&token.loc, "Function name not found, expected {} but found nothing", TokenType::Word.human());
+                        return Err(eyre!(""));
+                    }
+
+                    let mut name = rtokens.pop().unwrap();
+
+                    if let '0'..='9' = name.text.chars().next().unwrap() {
+                        lerror!(&name.loc, "Function name starts with a number which is not allowed");
+                        return Err(eyre!(""));
+                    }
+
+                    // let mut should_warn = false;
+                    for c in name.text.clone().chars() {
+                        match c {
+                            'a'..='z' |
+                            'A'..='Z' |
+                            '0'..='9' |
+                            '-' | '_' => (),
+                            '(' | ')' => {
+                                name.text = name.text.clone().replace('(', "__OP_PAREN__").replace(')', "__CL_PAREN__");
+                            }
                             _ => {
+                                lerror!(&name.loc, "Function name contains '{c}', which is unsupported");
+                                return Err(eyre!(""));
+                            }
+                        }
+                    }
+                    // if should_warn {
+                        //TODO: add -W option in cli args to enable more warnings
+                        //lwarn!(&function_name.loc, "Function name contains '(' or ')', this character is not supported but will be replaced with '__OP_PAREN__' or '__CL_PAREN__' respectively ");
+                    // }
+
+                    self.is_word_available(&name, KeywordType::Function)?;
+                    
+                    
+                    self.functions.insert(name.text.clone(), Function{
+                        loc: name.loc.clone(),
+                        name: name.text.clone(),
+                    });
+
+                    let mut fn_def = token.clone();
+                    fn_def.typ = OpType::Keyword(KeywordType::FunctionDef);
+                    fn_def.text = name.text;
+                    // println!("{:?}", token);
+                    program.push(fn_def);
+                }
+                _ if op_type == OpType::Keyword(KeywordType::Constant) => {
+                    if rtokens.is_empty() {
+                        lerror!(&token.loc, "Constant name not found, expected {} but found nothing", TokenType::Word.human());
+                        return Err(eyre!(""));
+                    }
+                    // println!("{token:?}");
+
+                    let mut name = rtokens.pop().unwrap();
+                    // let mut should_warn = false;
+
+                    if let '0'..='9' = name.text.chars().next().unwrap() {
+                        lerror!(&name.loc, "Constant name starts with a number which is not allowed");
+                        return Err(eyre!(""));
+                    }
+
+                    for c in name.text.clone().chars() {
+                        match c {
+                            'a'..='z' |
+                            'A'..='Z' |
+                            '0'..='9' |
+                            '-' | '_' => (),
+                            '(' | ')' => {
+                                // should_warn = true;
+                                name.text = name.text.clone().replace('(', "__OP_PAREN__").replace(')', "__CL_PAREN__");
+                            }
+                            _ => {
+                                lerror!(&name.loc, "Constant name contains '{c}', which is unsupported");
+                                return Err(eyre!(""));
+                            }
+                        }
+                    }
+                    // if should_warn {
+                        //TODO: add -W option in cli args to enable more warnings
+                        //lwarn!(&name.loc, "Constant name contains '(' or ')', this character is not supported but will be replaced with '__OP_PAREN__' or '__CL_PAREN__' respectively ");
+                    // }
+                    
+                    self.is_word_available(&name, KeywordType::Constant)?;
+                    
+                    
+                    self.constants.insert(name.text.clone(), Constant{
+                        loc: name.loc.clone(),
+                        name: name.text.clone(),
+                    });
+
+                    // println!("{:?}", self.constants);
+
+                    let mut const_def = token.clone();
+                    const_def.typ = OpType::Keyword(KeywordType::ConstantDef);
+                    const_def.text = name.text;
+
+                    let item = rtokens.pop().unwrap();
+                    if item.tok_typ == TokenType::Int {
+                        const_def.value = item.value;
+                    } else {
+                        lerror!(&token.loc, "For now only {:?} is allowed in constants", TokenType::Int);
+                        return Err(eyre!(""));
+                    }
+
+                    let posibly_end = rtokens.pop();
+                    // println!("end: {posibly_end:?}");
+                    if posibly_end.is_none() || posibly_end.unwrap().typ != OpType::Keyword(KeywordType::End) {
+                        lerror!(&token.loc, "Constant was not closed with an 'end' instruction, expected 'end' but found nothing");
+                        return Err(eyre!(""));
+                    }
+                    // token.value = 
+
+                    program.push(const_def);
+                }  
+
+                _ => {
+                    
                     program.push(token);
                 }
             }
         }
-
+        self.program = program;
+        // println!("has do tokens: {:?}", self.program.iter().map(|t| if t.typ == OpType::Keyword(KeywordType::Do) {Some(t)} else {None} ).collect::<Vec<Option<&Operator>>>());
         //* Feel free to fix this horrifying shit
         //* i wanna kms
         let mut times = 0;
-    while program.iter().map(|f| {
+        // dbg!(program.clone());
-        if f.typ == TokenType::Word && f.op_typ != InstructionType::MemUse {
+        while self.program.iter().map(|f| {
-            lookup_word(&f.text, &f.loc())
+            if f.tok_typ == TokenType::Word && 
+                f.typ != OpType::Instruction(InstructionType::FnCall) && 
+                f.typ != OpType::Instruction(InstructionType::MemUse) &&
+                f.typ != OpType::Keyword(KeywordType::FunctionDef) &&
+                f.typ != OpType::Keyword(KeywordType::ConstantDef) &&
+                f.typ != OpType::Instruction(InstructionType::ConstUse) {
+                lookup_word(&f.text, &f.loc)
             } else {
                 OpType::Instruction(InstructionType::PushInt) // i hate myself, this is a randomly picked optype so its happy and works
             }
@@ -200,56 +316,160 @@ pub fn preprocess(tokens: Vec<Token>, args: &Args) -> Result<Vec<Token>>{
                 warn!("File import depth maxed out, if the program crashes try reducing the import depth, good luck youll need it");
                 break
             }
-        program = expand(program, &macros, &memories)?;
+            self.expand()?;
             times += 1;
         }
+        Ok(self)
+    }
 
-
+    pub fn expand(&mut self) -> Result<()> {
-    Ok(program)
+        let mut program: Vec<Operator> = Vec::new();
-}
+        // println!("{:?}", self.functions);
-
+        let mut rtokens = self.program.clone();
-pub fn expand(tokens: Vec<Token>, macros: &Macros, mems: &Memories) -> Result<Vec<Token>> {
-    let mut program: Vec<Token> = Vec::new();
-
-    let mut rtokens = tokens;
         rtokens.reverse();
 
         while !rtokens.is_empty() {
             let op = rtokens.pop().unwrap();
-        let op_type = lookup_word(&op.text, &op.loc());
+            let op_type = op.typ.clone();
-        if op.typ == TokenType::Word {
+            if op.tok_typ == TokenType::Word {
                 match op_type {
                     OpType::Instruction(InstructionType::None) => {
-                    let m = macros.get(&op.text);
+                        let m = self.functions.get(&op.text);
-                    let mem = mems.get(&op.text);
+                        let mem = self.memories.get(&op.text);
+                        let cons = self.constants.get(&op.text);
                         if let Some(m) = m {
-                        program.append(&mut m.tokens.clone());
+                            // println!("------ FOUND FUNCTION {} -----------", m.name);
-                    } else 
+                            let mut t = op.clone();
-                    if let Some(mem) = mem {
+                            t.typ = OpType::Instruction(InstructionType::FnCall);
-                        let mut t = op;
+                            t.text = m.name.clone();
-                        t.addr = Some(*mem);
+                            program.push(t.clone());
-                        t.op_typ = InstructionType::MemUse;
+
+                            // println!("##### {:?}", t);
+                        } else if let Some(mem) = mem {
+                            let mut t = op.clone();
+                            t.addr = Some(mem.deref().id);
+                            t.typ = OpType::Instruction(InstructionType::MemUse);
                             program.push(t);
-                    }
+                        } else if let Some(cons) = cons {
-                    else {
+                            let mut t = op.clone();
-                        lerror!(&op.loc(), "Unknown word '{}'", op.text.clone());
+                            t.text = cons.deref().name.clone();
+                            t.typ = OpType::Instruction(InstructionType::ConstUse);
+                            program.push(t);
+                            
+                        } else {
+                            lerror!(&op.loc, "Preprocess: Unknown word '{}'", op.text.clone());
                             return Err(eyre!(""));
                         }
                     }
                     _ => {
-                    program.push(op);
+                        program.push(op.clone());
                     }
                 }
             } else {
-            program.push(op);
+                program.push(op.clone());
             }
             
+            // if op.typ == OpType::Keyword(KeywordType::Do) {
+            //     println!("expand: {:?}", op);
+            //     program.push(op.clone());
+            // }
             
         }
+        // println!("expand: has do tokens: {:?}", program.iter().map(|t| if t.typ == OpType::Keyword(KeywordType::Do) {Some(t)} else {None} ).collect::<Vec<Option<&Operator>>>());
+
+        self.program = program;
+        // println!("{:#?}", self.program);
+        // println!("{:?}", self.program.last().unwrap());
+        Ok(())
+    }
 
     
 
+    pub fn get_ops(&mut self) -> Vec<Operator> {
+        self.program.clone()
+    }
+    pub fn is_word_available(&self, word: &Operator, typ: KeywordType) -> Result<bool> {
 
+        match typ {
+            KeywordType::Memory |
+            KeywordType::Constant |
+            KeywordType::Function => (),
+            _ => panic!()
+        }
         
-    Ok(program)
+        if word.tok_typ != TokenType::Word {
+            lerror!(&word.loc, "Bad {typ:?}, expected {} but found {}", TokenType::Word.human(), word.typ.human());
+            if crate::DEV_MODE {println!("{word:?}")}
+            return Err(eyre!(""));
+        }
+
+        let w = lookup_word(&word.text, &word.loc);
+        if w != OpType::Instruction(InstructionType::None) {
+            lerror!(&word.loc, "Bad {typ:?}, {typ:?} definition cannot be builtin word, got {:?}", word.text);
+            if crate::DEV_MODE {println!("{word:?}")}
+            return Err(eyre!(""));
+        }
+
+        let m = self.memories.get(&word.text);
+        if let Some(m) = m {
+            if typ == KeywordType::Memory {
+                lerror!(&word.loc, "Memories cannot be redefined, got {}", word.text);
+                linfo!(&m.loc, "first definition here"); 
+                if crate::DEV_MODE {println!("{word:?}")}
+                return Err(eyre!(""));
+            }
+            lerror!(&word.loc, "{typ:?} cannot replace memory, got {}", word.text);
+            linfo!(&m.loc, "first definition here"); 
+            if crate::DEV_MODE {println!("{word:?}")}
+            return Err(eyre!(""));
+        }
+        let f = self.functions.get(&word.text);
+        if let Some(f) = f {
+            if typ == KeywordType::Function {
+                lerror!(&word.loc, "Functions cannot be redefined, got {}", word.text);
+                linfo!(&f.loc, "first definition here"); 
+                if crate::DEV_MODE {println!("{word:?}")}
+                return Err(eyre!(""));
+            }
+            lerror!(&word.loc, "{typ:?} cannot replace function, got {}", word.text);
+            linfo!(&f.loc, "first definition here"); 
+            if crate::DEV_MODE {println!("{word:?}")}
+            return Err(eyre!(""));
+        }
+        let c = self.constants.get(&word.text);
+        if let Some(c) = c {
+            if typ == KeywordType::Constant {
+                lerror!(&word.loc, "Constants cannot be redefined, got {}", word.text);
+                linfo!(&c.loc, "first definition here"); 
+                if crate::DEV_MODE {println!("{word:?}")}
+                return Err(eyre!(""));
+            }
+            lerror!(&word.loc, "{typ:?} cannot replace constant, got {}", word.text);
+            linfo!(&c.loc, "first definition here"); 
+            if crate::DEV_MODE {println!("{word:?}")}
+            return Err(eyre!(""));
+        }
+
+        Ok(true)
+    }
+
+    pub fn set_functions(&mut self, f: Functions) {
+        self.functions = f;
+    }
+    pub fn set_constants(&mut self, f: Constants) {
+        self.constants = f;
+    }
+    pub fn set_memories(&mut self, f: Memories) {
+        self.memories = f;
+    }
+
+    pub fn get_functions(&mut self) -> Functions {
+        self.functions.clone()
+    }
+    pub fn get_constants(&mut self) -> Constants {
+        self.constants.clone()
+    }
+    pub fn get_memories(&mut self) -> Memories{
+        self.memories.clone()
+    }
 }

src/typechecker.rs

@@ -1,35 +1,182 @@
-use crate::{constants::{Operator, Types, OpType, KeywordType, InstructionType}, Args, lerror, warn};
+use std::collections::HashMap;
+
+use crate::{constants::{Operator, Types, OpType, KeywordType, InstructionType, Loc}, Args, lerror, warn};
 use color_eyre::Result;
 use eyre::eyre;
 
+#[allow(dead_code)]
+#[derive(Debug, Clone)]
+pub struct Function {
+    loc: Loc,
+    args: Vec<Types>,
+    returns: Vec<Types>,
+}
 
-pub fn typecheck(ops: &[Operator], args: &Args) -> Result<Vec<Operator>>{
+#[derive(Debug, Clone)]
+pub struct Constant {
+    #[allow(dead_code)]
+    loc: Loc,
+    types: Vec<Types>,
+}
+
+impl Function {
+    #[allow(dead_code)]
+    pub fn default() -> Self {
+        Self {
+            args: Vec::new(),
+            returns: Vec::new(),
+            loc: (String::new(), 0, 0)
+        }
+    }
+}
+
+type Functions = HashMap<String, Function>;
+type Constants = HashMap<String, Constant>;
+
+pub fn typecheck(ops: Vec<Operator>, args: &Args, init_types: Option<Vec<Types>>,  funcs: HashMap<String, Function>, consts:  HashMap<String, Constant>) -> Result<(Vec<Types>, Functions, Constants)>{
     if args.unsaf {
         if !args.quiet {
             warn!("Unsafe mode enabled, disabling typechecker, goodluck");
         }
-        return Ok(ops.to_vec());
+        return Ok((Vec::new(), HashMap::new(), HashMap::new()));
     }
     
-    let mut stack: Vec<Types> = Vec::new();
+    let mut functions: HashMap<String, Function> = funcs;
-
+    let mut constants: HashMap<String, Constant> = consts;
-    for op in ops {
+    // let mut in_function: (String, Function, Loc) = (String::new(), Function::default(), (String::new(), 0, 0));
+    let mut stack: Vec<Types> = if let Some(i) = init_types {i} else {Vec::new()};
+    let mut stack_snapshots: Vec<Vec<Types>> = Vec::new();
+    let mut rtokens = ops;
+    rtokens.reverse();
+    // println!("{:#?}", ops);
+    while !rtokens.is_empty() {
+        let op = rtokens.pop().unwrap();
+        // println!("{:?}", stack.clone());
+        // println!("{:?}", op);
+        // println!("{}", ops.len());
         match op.typ.clone() {
             OpType::Keyword(keyword) => {
                 match keyword {
-                    KeywordType::If => {
+                    KeywordType::If |
-                        stack_pop(&mut stack, &op, &[Types::Bool])?;
-                    },
                     KeywordType::Do => {
                         stack_pop(&mut stack, &op, &[Types::Bool])?;
                     },
 
+                    KeywordType::FunctionDef => {
+                        let name = op.text.clone();
+
+                        if let Some(p) = rtokens.pop() {
+                            if p.typ != OpType::Instruction(InstructionType::With){
+                                lerror!(&op.loc, "Expected {:?}, got {:?}", OpType::Instruction(InstructionType::With), p.typ);
+                                return Err(eyre!(""));
+                            }
+
+                        } else {
+                            lerror!(&op.loc, "Expected {:?}, got nothing", OpType::Instruction(InstructionType::With));
+                            return Err(eyre!(""));
+                        }
+                        
+                        let mut p = rtokens.pop();
+                        let mut func = Function {
+                            args: Vec::new(),
+                            returns: Vec::new(),
+                            loc: op.loc
+                        };
+                        let mut return_args = false;
+                        while p.as_ref().is_some() {
+                            let op = p.as_ref().unwrap();
+                            if op.typ == OpType::Instruction(InstructionType::TypeBool) ||
+                                op.typ == OpType::Instruction(InstructionType::TypeInt) ||
+                                op.typ == OpType::Instruction(InstructionType::TypePtr) ||
+                                op.typ == OpType::Instruction(InstructionType::TypeAny) ||
+                                op.typ == OpType::Instruction(InstructionType::TypeVoid) {
+                                    let t = if op.typ == OpType::Instruction(InstructionType::TypeInt) {
+                                        Types::Int
+                                    } else if op.typ == OpType::Instruction(InstructionType::TypeBool) {
+                                        Types::Bool
+                                    } else if op.typ == OpType::Instruction(InstructionType::TypePtr) {
+                                        Types::Ptr
+                                    } else if op.typ == OpType::Instruction(InstructionType::TypeVoid) {
+                                        if return_args {
+                                            func.returns = vec![Types::Void];
+                                        } else {
+                                            func.args = vec![Types::Void];
+                                            return_args = true;
+                                            continue;
+                                        }
+                                        Types::Void
+                                    } else if op.typ == OpType::Instruction(InstructionType::TypeStr) {
+                                        Types::Str
+                                    } else if op.typ == OpType::Instruction(InstructionType::TypeAny) {
+                                        Types::Any
+                                    } else {
+                                        panic!()
+                                    };
+
+                                    if return_args {
+                                        func.returns.push(t);
+                                    } else {
+                                        func.args.push(t);
+                                    }
+                            }
+                                
+                            if op.typ == OpType::Instruction(InstructionType::Returns) {
+                                return_args = true;
+                            }
+
+                            if op.typ == OpType::Keyword(KeywordType::FunctionThen) {
+                                break;
+                            }
+                            p = rtokens.pop();
+                        };
+
+
+                        let mut code: Vec<Operator> = Vec::new();
+
+                        while !rtokens.is_empty() {
+                            let op = rtokens.pop().unwrap();
+
+                            if op.typ == OpType::Keyword(KeywordType::FunctionDone) {
+                                break;
+                            }
+                            code.push(op);
+                        }
+                        let ts = if func.args.clone() == vec![Types::Void] {
+                            Vec::new()
+                        } else {
+                            func.args.clone()
+                        };
+
+                        if ts.contains(&Types::Void) {
+                            continue;
+                        }
+                        functions.insert(name.clone(), func.clone());
+                        let (ret_typs, _, _) = typecheck(code, args, Some(ts.clone()), functions.clone(), constants.clone())?;
+                        if ret_typs != func.returns && !func.returns.contains(&Types::Void){
+                            lerror!(&func.loc, "Expected {:?}, but got {:?}", func.returns, ret_typs);
+                            return Err(eyre!(""))
+                        }
+
+                        if !func.args.contains(&Types::Void) {
+                            stack.append(&mut func.args);
+                        }
+                        stack_snapshots.push(stack.clone());
+                    }
+
                     KeywordType::Else |
                     KeywordType::End |
                     KeywordType::While |
-                    KeywordType::Macro |
                     KeywordType::Include |
+                    KeywordType::Constant |
                     KeywordType::Memory => (),
+                    KeywordType::ConstantDef => {
+                        // println!("defined constant");
+                        constants.insert(op.text, Constant { loc: op.loc.clone(), types: vec![Types::Int] });
+                        
+                    },
+                    KeywordType::FunctionThen |
+                    KeywordType::FunctionDone |
+                    KeywordType::Function => unreachable!(),
                 }
             },
             OpType::Instruction(instruction) => {
@@ -73,85 +220,42 @@ pub fn typecheck(ops: &[Operator], args: &Args) -> Result<Vec<Operator>>{
                         stack.push(a);
                         stack.push(b);
                     },
-                    InstructionType::Minus => {
+                    InstructionType::Minus |
+                    InstructionType::Plus |
+                    InstructionType::Band |
+                    InstructionType::Bor |
+                    InstructionType::Shr |
+                    InstructionType::Shl |
+                    InstructionType::Mul => {
+                        stack_pop(&mut stack, &op, &[Types::Int])?;
                         stack_pop(&mut stack, &op, &[Types::Int])?;
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
                         stack.push(Types::Int);
                     },
-                    InstructionType::Plus => {
+                    InstructionType::Equals |
-                        stack_pop(&mut stack, &op, &[Types::Int])?;
+                    InstructionType::Gt |
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
+                    InstructionType::Lt |
-                        stack.push(Types::Int);
+                    InstructionType::Ge |
-                    },
+                    InstructionType::Le |
-                    InstructionType::Equals => {
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
-                        stack.push(Types::Bool);
-                    },
-                    InstructionType::Gt => {
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
-                        stack.push(Types::Bool);
-                    },
-                    InstructionType::Lt => {
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
-                        stack.push(Types::Bool);
-                    },
-                    InstructionType::Ge => {
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
-                        stack.push(Types::Bool);
-                    },
-                    InstructionType::Le => {
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
-                        stack.push(Types::Bool);
-                    },
                     InstructionType::NotEquals => {
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
+                        stack_pop(&mut stack, &op, &[Types::Int])?;
-                        stack_pop(&mut stack, &op, &[Types::Int, Types::Ptr])?;
+                        stack_pop(&mut stack, &op, &[Types::Int])?;
                         stack.push(Types::Bool);
                     },
-                    InstructionType::Band => {
-                        stack_pop(&mut stack, &op, &[Types::Int])?;
-                        stack_pop(&mut stack, &op, &[Types::Int])?;
-                        stack.push(Types::Int);
-                    },
-                    InstructionType::Bor => {
-                        stack_pop(&mut stack, &op, &[Types::Int])?;
-                        stack_pop(&mut stack, &op, &[Types::Int])?;
-                        stack.push(Types::Int);
-                    },
-                    InstructionType::Shr => {
-                        stack_pop(&mut stack, &op, &[Types::Int])?;
-                        stack_pop(&mut stack, &op, &[Types::Int])?;
-                        stack.push(Types::Int);
-                    },
-                    InstructionType::Shl => {
-                        stack_pop(&mut stack, &op, &[Types::Int])?;
-                        stack_pop(&mut stack, &op, &[Types::Int])?;
-                        stack.push(Types::Int);
-                    },
                     InstructionType::DivMod => {
                         stack_pop(&mut stack, &op, &[Types::Int])?;
                         stack_pop(&mut stack, &op, &[Types::Int])?;
                         stack.push(Types::Int);
                         stack.push(Types::Int);
                     },
-                    InstructionType::Mul => {
+                    InstructionType::Load8 |
-                        stack_pop(&mut stack, &op, &[Types::Int])?;
+                    InstructionType::Load32 |
-                        stack_pop(&mut stack, &op, &[Types::Int])?;
+                    InstructionType::Load64 => {
-                        stack.push(Types::Int);
-                    },
-                    InstructionType::Mem => {
-                        stack.push(Types::Ptr);
-                    },
-                    InstructionType::Load8 => {
                         stack_pop(&mut stack, &op, &[Types::Ptr])?;
                         stack.push(Types::Int);
                     },
-                    InstructionType::Store8 => {
+                    InstructionType::Store8 |
+                    InstructionType::Store32 |
+                    InstructionType::Store64 => {
                         stack_pop(&mut stack, &op, &[Types::Int])?;
                         stack_pop(&mut stack, &op, &[Types::Ptr])?;
                     },
@@ -216,16 +320,63 @@ pub fn typecheck(ops: &[Operator], args: &Args) -> Result<Vec<Operator>>{
                         stack_pop(&mut stack, &op, &[Types::Any])?;
                         stack.push(Types::Int);
                     },
+                    InstructionType::CastVoid => {
+                        stack_pop(&mut stack, &op, &[Types::Any])?;
+                        stack.push(Types::Any);
+                    },
                     InstructionType::MemUse => {
                         stack.push(Types::Ptr);
                     },
-                    InstructionType::None => {},
+                    InstructionType::FnCall  => {
+                        stack_snapshots.push(stack.clone());
+                        
+                        let f = functions.get(&op.text).unwrap().clone();
+
+                        // in_function = (op.text.clone(), f.clone(), op.loc.clone());
+
+                        let mut s = stack.clone();
+                        let mut a = f.args.clone();
+                        // s.reverse();
+                        a.reverse();
+
+                        for t in a{
+                            if let Some(s2) = s.pop(){
+                                if t != s2 {
+                                    lerror!(&op.loc, "Expected {:?}, but got {:?}", t, s2);
+                                    return Err(eyre!(""));
                                 }
-            },
+                            } else {
+                                lerror!(&op.loc, "Expected {:?}, but got nothing", t);
+                                return Err(eyre!(""));
                             }
                         }
 
-    Ok(ops.to_vec())
+                        
+                    }
+                    InstructionType::Return |
+                    InstructionType::None |
+                    InstructionType::TypeBool |
+                    InstructionType::TypePtr |
+                    InstructionType::TypeInt |
+                    InstructionType::TypeVoid |
+                    InstructionType::TypeAny |
+                    InstructionType::TypeStr |
+                    InstructionType::Returns |
+                    InstructionType::With => (),
+                    InstructionType::ConstUse => {
+                        // println!("{constants:?}");
+                        let mut c = constants.get(&op.text).unwrap().clone();
+                        stack.append(&mut c.types);
+                    },
+                }
+            },
+            
+        }
+
+        
+    }
+    
+    Ok((stack, functions, constants))
 }
 
 

src/util.rs

@@ -66,6 +66,21 @@ pub mod logger {
     pub fn lnote<P: Deref<Target = Loc>>(loc: P, msg: &str) {
         println!("{f}:{r}:{c} {blue}note{rs}: {msg}", blue=color::FG_BLUE, rs=color::RESET, f=loc.0, r=loc.1, c=loc.2);
     }
+
+    pub fn help(msg: &str) {
+        println!("{blue}help{r}: {msg}", blue=color::FG_CYAN, r=color::RESET);
+    }
+
+    pub fn code_block(code: &str) -> String {
+        let mut ret = String::new();
+        let lines = code.lines();
+
+        for (i, line) in lines.enumerate() {
+            use std::fmt::Write;
+            writeln!(ret, "{}{} | {}{}",color::FG_BLUE, i + 1, line, color::RESET).unwrap();
+        }
+        ret
+    }
     pub mod macros {
         #[macro_export] macro_rules! error { ($($arg:tt)*) => { $crate::util::logger::error(std::format_args!($($arg)*).to_string().as_str()) }; }
         #[macro_export] macro_rules! warn { ($($arg:tt)*) => {  $crate::util::logger::warn( std::format_args!($($arg)*).to_string().as_str()) }; }
@@ -76,6 +91,9 @@ pub mod logger {
         #[macro_export] macro_rules! lwarn { ($dst:expr, $($arg:tt)*) => {  $crate::util::logger::lwarn($dst, std::format_args!($($arg)*).to_string().as_str()) }; }
         #[macro_export] macro_rules! linfo { ($dst:expr, $($arg:tt)*) => {  $crate::util::logger::linfo($dst, std::format_args!($($arg)*).to_string().as_str()) }; }
         #[macro_export] macro_rules! lnote { ($dst:expr, $($arg:tt)*) => {  $crate::util::logger::lnote($dst, std::format_args!($($arg)*).to_string().as_str()) }; }
+
+        #[macro_export] macro_rules! help { ($($arg:tt)*) => {  $crate::util::logger::help( std::format_args!($($arg)*).to_string().as_str()) }; }
+        #[macro_export] macro_rules! code_block { ($($arg:tt)*) => {  $crate::util::logger::code_block( std::format_args!($($arg)*).to_string().as_str()) }; }
     }
 
 }

test.mcl

@@ -1,6 +1,5 @@
-memory m 10 end
+include "std.mcl"
 
-m 69 store8
+fn main with void returns void then
-
+    "hi\n" puts
-
+done
-m load8 print