if

doc/windows_qemu.md

@@ -0,0 +1,9 @@
+# QEMU创建windows arm64 linux / openwrt
+
+### openwrt官方文档
+https://openwrt.org/docs/guide-user/virtualization/qemu
+
+### command
+```
+"C:\Program Files\qemu\qemu-system-aarch64" -machine virt -cpu cortex-a57 -m 1024 -drive file=ubuntu-23.04-amd64.iso,index=0,media=disk,format=raw -device virtio-net,netdev=net0 -netdev user,id=net0
+```

src/Token.hpp

@@ -42,6 +42,7 @@ enum Token : int {
   tok_assign_type = -16,
 
   tok_result = -17,
+  tok_if = -18,
 };
 
 class Tokenizer {
@@ -110,6 +111,9 @@ class Tokenizer {
       if (identifier == "var") {
         return Token::tok_var;
       }
+      if (identifier == "if") {
+        return Token::tok_if;
+      }
       return Token::tok_identifier;
     }
 

tests/cases/binaryExpression.pas

@@ -1,12 +1,8 @@
 program Hello;
 var a:Integer;
 var b:Integer;
-var c:Integer;
-var d:Integer;
 begin
   a := 11;
-  b := 22;
-  c := 42;
-  d := (a+(c-b));
-  writeln(d);
+  b := 42;
+  Result := (a+b);
 end.

tests/cases/if.pas

@@ -0,0 +1,9 @@
+program Hello;
+var i:Integer;
+begin
+i := 1;
+if i = 1 then 
+begin
+    writeln(i);
+end;
+end.

tests/e2e.cpp

@@ -44,7 +44,7 @@ template <typename T> void printAssemblyMachineCode(T &&runtime) {
 }
 
 TEST(compiler_e2e, parser) {
-  std::ifstream t(workspace / "tests" / "cases" / "return.pas");
+  std::ifstream t(workspace / "tests" / "cases" / "if.pas");
   std::stringstream buffer;
   buffer << t.rdbuf();
   Tokenizer tokenizer(buffer.str());
@@ -53,8 +53,8 @@ TEST(compiler_e2e, parser) {
   auto program = parser.parse();
   auto fun = createJitInt(program->codegen());
   std::cout << "ptr: " << std::hex << (void *)fun << std::endl;
-  const int result = fun();
-  std::cout << std::dec << result << std::endl;
+  // const int result = fun();
+  // std::cout << std::dec << result << std::endl;
   // printAssemblyMachineCode(program->codegen());
 }