feat: add ci workflow

.github/workflows/build.yml

@@ -0,0 +1,15 @@
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+
+      - name: Build
+        run: |
+          make build

src/Lex/InputReader.cpp

@@ -1,5 +1,5 @@
 #include <Lex/InputReader.h>
-#include "Utilities.h"
+#include <Lex/Utilities.h>
 
 InputReader::InputReader(std::string *rules_file_name, Rules *rules) {
     this->rules = rules;

src/Lex/Lex.cpp

@@ -1,5 +1,5 @@
 #include <Lex/Lex.h>
-#include "NFAGenerator.h"
+#include <Lex/NFAGenerator.h>
 
 
 Lex::~Lex() {

src/Lex/Rules.cpp

@@ -1,7 +1,7 @@
 #include <iostream>
 #include <utility>
-#include "Rules.h"
-#include "Utilities.h"
+#include "Lex/Rules.h"
+#include "Lex/Utilities.h"
 
 Rules::Rules() {
     regular_expressions_map = std::unordered_map<std::string, std::pair<std::string, int>>();

src/Lex/Utilities.cpp

@@ -1,5 +1,5 @@
-#include "Utilities.h"
-#include "Operator.h"
+#include "Lex/Utilities.h"
+#include "Lex/Operator.h"
 
 std::vector<SubstringInfo>
 Utilities::findAllLongestSubstringIndices(std::string *input, std::set<std::string> *substrings) {

src/anycc.cpp

@@ -1,5 +1,5 @@
 #include <iostream>
-#include "Lex.h"
+#include <Lex/Lex.h>
 
 
 int main() {