diff options
| -rw-r--r-- | asm/main.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/asm/main.cpp b/asm/main.cpp index c1b23b7..a168af1 100644 --- a/asm/main.cpp +++ b/asm/main.cpp @@ -15,6 +15,8 @@ #include <iostream> #include <optional> #include <string> +#include <tuple> +#include <vector> #include <lib/inst.h> @@ -53,4 +55,62 @@ int main(int argc, const char *argv[]) { usage(argv[1], stdout); return 0; + if (argc == 1 || argc > 3) + { + usage(argv[0], stderr); + return -1; + } + int ret = 0; + const char *file_name = argv[1]; + auto file_source = read_file(file_name); + + string source_str; + string_view original; + string_view src; + vector<token_t> tokens; + lerr_t lerr; + + if (file_source.has_value()) + source_str = file_source.value(); + else + { + std::cerr << "ERROR: file `" << file_name << "` does not exist!" + << std::endl; + ret = -1; + goto end; + } + original = string_view{source_str}; + src = string_view{source_str}; + lerr = tokenise_buffer(src, tokens); + + if (lerr != lerr_t::OK) + { + size_t col = 0, line = 1; + // TODO: Fix this UB (probably a change in API) + auto diff = src.begin() - original.begin(); + for (auto i = 0; i < diff; ++i) + { + if (source_str[i] == '\n') + { + col = 0; + ++line; + } + else + ++col; + } + std::cerr << file_name << ":" << line << ":" << col << ":" + << lerr_as_cstr(lerr) << std::endl; + ret = 255 - lerr; + goto end; + } + else + { + for (auto token : tokens) + { + std::cout << "\t" << token << std::endl; + } + } + +end: + return ret; } |