Test-bench for conversion of IR to Low

Author: RedDocMD

src/main/kotlin/deep/decaf/tester/LowMethodTester.kt

@@ -0,0 +1,30 @@
+package deep.decaf.tester
+
+import deep.decaf.ir.*
+import deep.decaf.low.amd64.*
+import deep.decaf.parser.*
+import org.antlr.v4.runtime.*
+import java.io.*
+
+fun main() {
+    val folder = File("/home/deep/work/compiler/low1")
+    val files = folder.listFiles()!!.filter { !it.isDirectory }.sorted()
+    for (file in files) {
+        val scanner = DecafLexer(CharStreams.fromFileName(file.absolutePath))
+        val parser = DecafParser(CommonTokenStream(scanner))
+        val irTree = parseTreeToIR(parser.program()) as IRProgram
+        val errors = checkSemantics(irTree)
+        if (errors.isNotEmpty())
+            throw RuntimeException("Invalid program")
+        for (method in irTree.methodDeclarations) {
+            if (method.name == "main") {
+                val blocks = irMethodToLow(method)
+                println(file.absolutePath)
+                for (block in blocks) {
+                    print(block)
+                }
+                println()
+            }
+        }
+    }
+}