Fixed Makefile so it tracks dependencies better

It now tracks main.cpp's dependencies and rebuilds them as needed.
2024-04-16 20:42:51 +06:30
parent 190bb766cb
commit f060a856d3
8 changed files with 26 additions and 26 deletions
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -0,0 +1,148 @@
+/* Copyright (C) 2024 Aryadev Chavali
+
+ * You may distribute and modify this code under the terms of the
+ * GPLv2 license.  You should have received a copy of the GPLv2
+ * license with this file.  If not, please write to:
+ * aryadev@aryadevchavali.com.
+
+ * Created: 2024-04-14
+ * Author: Aryadev Chavali
+ * Description: Entrypoint for assembly program
+ */
+
+#include <algorithm>
+#include <cstdio>
+#include <iostream>
+#include <optional>
+#include <string>
+#include <tuple>
+#include <vector>
+
+extern "C"
+{
+#include <lib/inst.h>
+}
+
+#include "./base.hpp"
+#include "./lexer.hpp"
+#include "./preprocesser.hpp"
+
+using std::cout, std::cerr, std::endl;
+using std::pair, std::string, std::string_view, std::vector;
+
+void usage(const char *program_name, FILE *fp)
+{
+  fprintf(fp,
+          "Usage: %s FILE OUT-FILE\n"
+          "\tFILE: Source code to compile\n"
+          "\tOUT-FILE: Name of file to store bytecode\n",
+          program_name);
+}
+
+int main(int argc, const char *argv[])
+{
+  if (argc == 1 || argc > 3)
+  {
+    usage(argv[0], stderr);
+    return -1;
+  }
+  int ret                 = 0;
+  const char *source_name = argv[1];
+  const char *out_name    = argv[2];
+  (void)out_name;
+
+#if VERBOSE >= 1
+  printf("[%sASSEMBLER%s]: Assembling `%s` to `%s`\n", TERM_YELLOW, TERM_RESET,
+         source_name, out_name);
+#endif
+
+  auto file_source = read_file(source_name);
+
+#if VERBOSE >= 1
+  printf("[%sASSEMBLER%s]: `%s` -> %lu bytes\n", TERM_YELLOW, TERM_RESET,
+         source_name, file_source.has_value() ? file_source.value().size() : 0);
+#endif
+
+  string source_str;
+  string_view original;
+  string_view src;
+  vector<token_t *> tokens, preprocessed_tokens;
+  lerr_t lerr;
+  pp_err_t pp_err;
+
+  // Highest scoped variable cut off point
+
+  if (file_source.has_value())
+    source_str = file_source.value();
+  else
+  {
+    cerr << "ERROR: file `" << source_name << "` does not exist!" << endl;
+    ret = -1;
+    goto end;
+  }
+  original = string_view{source_str};
+  src      = string_view{source_str};
+  lerr     = tokenise_buffer(src, tokens);
+
+  if (lerr.type != lerr_type_t::OK)
+  {
+    cerr << source_name << ":" << lerr << endl;
+    ret = 255 - static_cast<int>(lerr.type);
+    goto end;
+  }
+  else
+  {
+
+#if VERBOSE >= 1
+    printf("[%sLEXER%s]: %lu bytes -> %lu tokens\n", TERM_GREEN, TERM_RESET,
+           source_str.size(), tokens.size());
+#endif
+
+#if VERBOSE == 2
+    printf("[%sLEXER%s]: Tokens "
+           "parsed:\n----------------------------------------------------------"
+           "----------------------\n",
+           TERM_GREEN, TERM_RESET);
+    for (auto token : tokens)
+      cout << "\t" << *token << endl;
+    printf("-------------------------------------------------------------"
+           "-------------------\n");
+#endif
+  }
+
+  // preprocessing
+  pp_err = preprocesser(tokens, preprocessed_tokens);
+  if (pp_err.type != pp_err_type_t::OK)
+  {
+    cerr << source_name << ":" << pp_err.reference->line << ":"
+         << pp_err.reference->column << ": " << pp_err << endl;
+    ret = 255 - static_cast<int>(pp_err.type);
+    goto end;
+  }
+  else
+  {
+
+#if VERBOSE >= 1
+    printf("[%sPREPROCESSOR%s]: %lu tokens -> %lu tokens\n", TERM_GREEN,
+           TERM_RESET, tokens.size(), preprocessed_tokens.size());
+#endif
+#if VERBOSE == 2
+    printf("[%sPREPROCESSOR%s]: Processed tokens: "
+           "\n-----------------------------------------------------------------"
+           "---------------\n",
+           TERM_GREEN, TERM_RESET);
+    for (auto token : preprocessed_tokens)
+      cout << "\t" << *token << endl;
+    printf("-------------------------------------------------------------"
+           "-------------------\n");
+#endif
+  }
+
+end:
+  for (auto token : tokens)
+    delete token;
+  for (auto token : preprocessed_tokens)
+    delete token;
+
+  return ret;
+}