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In the future we want to have the possibility of traverse the tree and
pretty print it or generate binary for other platform like LLVM or
transpile to C.
This solution also implements the gas assembly x86_64 Linux code
generation by using the visitor interface.
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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This change fixes the memory leak when token got created.
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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This is a very limited parser implementation which parses a single
function with return type i32 and body containing a return number statement.
The parser doesn't show the 'filepath:row:col' when it fails, a future
improvement would be display it to easy find where the compilation
problem is located.
The ast_nodes are taking the token.value ownership (which is a really
bad design since not all token.value ownership has been taken causing
memory leaking) but we never free them. For a future fix we could use a
string_view instead since we never change the original source code. The
string_view will also improve the performance a lot avoiding unnecessary
heap memory allocation.
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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