File copy example

1 files changed, 90 insertions, 0 deletions

diff --git a/tnslc/tnslc_wrapped.tnsl b/tnslc/tnslc_wrapped.tnsl
new file mode 100644
index 0000000..77d7c13
--- /dev/null
+++ b/tnslc/tnslc_wrapped.tnsl
@@ -0,0 +1,90 @@
+:include "c_wrap.tnsl"
+:include "vector.tnsl"
+:include "utils.tnsl"
+
+enum TOKEN_TYPE [int] {
+    DEFWORD = 0
+}
+
+struct Token {
+    int line, ch, _type,
+    ~uint8 data
+}
+
+/; method Token
+    /; init
+        self.data = _alloc(1)
+        self.data{0} = 0
+    ;/
+
+    /; data_len [int]
+        return cstr_len(self.data)
+    ;/
+
+    /; append (uint8 ch)
+        int l = self.data_len()
+        self.data = _realloc(self.data, self.data_len() + 1)
+        self.data{l + 1} = 0
+        self.data{l} = ch
+    ;/
+
+    /; pop
+        int l = self.data_len()
+        self.data = _realloc(self.data, l - 1)
+        self.data{l - 1} = 0
+    ;/
+
+    /; clear
+        _delete(self.data)
+    ;/
+
+    /; eq (~Token t) [bool]
+        return cstr_eq(self.data, t`.data)
+    ;/
+;/
+
+/; tokenize (~void file) [Vector]
+    Vector out
+    out.start(32)
+
+
+
+    return out
+;/
+
+{}uint8 wrong_args = "Usage: copy [from] [to]"
+{}uint8 write_one = "\0\n\0"
+
+# Proof of concept copy program
+/; main (int argc, ~~uint8 argv) [int]
+    asm "mov r8, rcx"
+    asm "mov r9, rdx"
+
+    /; if (argc < 3)
+        _printf(~wrong_args{0})
+        return 1
+    ;/
+
+    ~void read_handle = _open_file(argv{1})
+    ~void write_handle = _create_file(argv{2})
+
+    _print_num(~_dec{0}, read_handle)
+    _print_num(~_dec{0}, write_handle)
+
+    uint8 buf = 0
+    int read_count = 0
+    int tries = 0
+    _read_byte(read_handle, ~buf, ~read_count)
+    /; loop (_read_byte(read_handle, ~buf, ~read_count))
+        /; if (read_count == 0)
+            break
+        ;/
+        _write_byte(write_handle, ~buf)
+        read_count = 0
+    ;/
+
+    _close_file(read_handle)
+    _close_file(write_handle)
+
+    return 0
+;/
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