feat: enhance compiler

- Add comments and test for it
- Add semicolon as required end of some expressions
- Add new arguments parser
- Add multi-file compilation
- Add colors in output

include/compiler/utils/fzl_linked.h

@@ -0,0 +1,49 @@
+#ifndef FZL_LINKED_H
+#define FZL_LINKED_H
+
+#include <stdbool.h>
+#include <stddef.h>
+
+// Linked file descriptor
+typedef struct
+{
+  char *name;
+  size_t start;
+  size_t end;
+} fzl_linked_entry_t;
+
+// Linked descriptor
+typedef struct
+{
+  fzl_linked_entry_t *entries;
+  size_t entries_count;
+
+  char *source;
+  size_t total_sz;
+} fzl_linked_t;
+
+// Position in file
+typedef struct
+{
+  size_t line;
+  size_t col;
+
+  char *filename;
+} fzl_file_loc;
+
+// Allocated new linked
+fzl_linked_t *fzl_mklinked();
+
+// Read specified files
+bool fzl_linked_add_files(fzl_linked_t *l, char **files, size_t files_count);
+
+// Get last error from linked
+char *fzl_linked_geterror();
+
+// Get filename and position in it by reader cursor
+bool fzl_linked_getpos(fzl_linked_t *l, size_t pos, fzl_file_loc *res);
+
+// Free linked obj
+void fzl_freelinked(fzl_linked_t *linked);
+
+#endif // FZL_LINKED_H

include/compiler/utils/fzl_options.h

@@ -0,0 +1,25 @@
+#ifndef FZL_OPTIONS_H
+#define FZL_OPTIONS_H
+
+#include <stdbool.h>
+#include <stddef.h>
+
+// Compiler options
+typedef struct
+{
+  char **files;
+  size_t files_count;
+
+  char *outname;
+
+  bool should_continue;
+  bool verbose;
+} fzl_options_t;
+
+// Parse command line arguments
+fzl_options_t *fzl_mkoptions(int argc, char **argv);
+
+// Free options
+void fzl_freeoptions(fzl_options_t *options);
+
+#endif // FZL_OPTIONS_H