Initial commit

src/main/java/chocopy/pa2/StudentAnalysis.java

@@ -0,0 +1,30 @@
+package chocopy.pa2;
+
+import chocopy.common.analysis.SymbolTable;
+import chocopy.common.analysis.types.Type;
+import chocopy.common.astnodes.Program;
+
+/** Top-level class for performing semantic analysis. */
+public class StudentAnalysis {
+
+    /**
+     * Perform semantic analysis on PROGRAM, adding error messages and type annotations. Provide
+     * debugging output iff DEBUG. Returns modified tree.
+     */
+    public static Program process(Program program, boolean debug) {
+        if (program.hasErrors()) {
+            return program;
+        }
+
+        DeclarationAnalyzer declarationAnalyzer = new DeclarationAnalyzer(program.errors);
+        program.dispatch(declarationAnalyzer);
+        SymbolTable<Type> globalSym = declarationAnalyzer.getGlobals();
+
+        if (!program.hasErrors()) {
+            TypeChecker typeChecker = new TypeChecker(globalSym, program.errors);
+            program.dispatch(typeChecker);
+        }
+
+        return program;
+    }
+}