xiiregexbuilder

commit e7faebb6ba14f20418524dd98261081bffad9d60
parent 93a0cc14179bd8a2756f5fd49b25358d299940ff
Author: Achuthan TM <achuthantm05@gmail.com>
Date:   Thu, 26 Mar 2026 10:00:00 +0530

Week 2: Integrate compiler passes in main (Part 1: Initial definitions)

Diffstat:
A
src/main.cpp
 | 
39
+++++++++++++++++++++++++++++++++++++++

1 file changed, 39 insertions(+), 0 deletions(-)
diff --git a/src/main.cpp b/src/main.cpp
@@ -0,0 +1,39 @@
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <vector>
+#include <memory>
+#include <regex>
+#include <algorithm>
+#include "lexer.h"
+#include "parser.h"
+#include "nfa.h"
+#include "emitter.h"
+
+std::string trim(const std::string& str) {
+    size_t first = str.find_first_not_of(" \t\r\n");
+    if (first == std::string::npos) return "";
+    size_t last = str.find_last_not_of(" \t\r\n");
+    return str.substr(first, (last - first + 1));
+}
+
+int main(int argc, char* argv[]) {
+    if (argc < 2) {
+        std::cerr << "Usage: " << argv[0] << " <regex_file> [test_strings_file] [output_dir]" << std::endl;
+        return 1;
+    }
+
+    std::string regexFilename = argv[1];
+    std::string testFilename = (argc > 2) ? argv[2] : "";
+    std::string outputDir = (argc > 3) ? argv[3] : "output";
+
+    if (testFilename == "-" || testFilename == "none") {
+        testFilename = "";
+    }
+
+    std::ifstream regexFile(regexFilename);
+    if (!regexFile.is_open()) {
+        std::cerr << "Failed to open regex file: " << regexFilename << std::endl;
+        return 1;
+    }
+