fuzzer: Begin writing main

Author: brson

src/fuzzer/fuzzer.rs

@@ -1,3 +1,69 @@
+import std::fs;
+import std::getopts;
+import std::getopts::optopt;
+import std::getopts::opt_present;
+import std::getopts::opt_str;
+import std::io;
+import std::vec;
+
+import rustc::front::ast;
+
+type src_gen = iter() -> str;
+
+iter dir_src_gen(str dir) -> str {
+}
+
+fn usage(str binary) {
+    io::stdout().write_line("usage");
+}
+
+type session = rec(str srcdir);
+
+fn make_session(vec[str] args) -> session {
+    // Directory of rust source files to use as input
+    auto opt_src = "src";
+
+    auto binary = vec::shift[str](args);
+    auto opts  = [optopt(opt_src)];
+    auto match;
+    alt (getopts::getopts(args, opts)) {
+        case (getopts::failure(?f)) {
+            log_err #fmt("error: %s", getopts::fail_str(f));
+            fail;
+        }
+        case (getopts::success(?m)) {
+            match = m;
+        }
+    };
+
+    if (!opt_present(match, opt_src)) {
+        usage(binary);
+        fail;
+    }
+
+    auto srcdir = opt_str(match, opt_src);
+
+    ret rec(srcdir = srcdir);
+}
+
+fn log_session(session sess) {
+    log #fmt("srcdir: %s", sess.srcdir);
+}
+
+fn run_session(session sess) {
+}
+
 fn main(vec[str] args) {
-  rustc::driver::rustc::main(args);
-}
+    auto sess = make_session(args);
+    log_session(sess);
+    run_session(sess);
+}
+
+// Local Variables:
+// mode: rust;
+// fill-column: 78;
+// indent-tabs-mode: nil
+// c-basic-offset: 4
+// buffer-file-coding-system: utf-8-unix
+// compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
+// End: