InitHEADmain

1 files changed, 59 insertions, 0 deletions

diff --git a/Homework/cs5300/compiler/p5-compiler/submit/ast/CompoundStatement.java b/Homework/cs5300/compiler/p5-compiler/submit/ast/CompoundStatement.java
new file mode 100644
index 0000000..4d1c666
--- /dev/null
+++ b/Homework/cs5300/compiler/p5-compiler/submit/ast/CompoundStatement.java
@@ -0,0 +1,59 @@
+/*
+ * Code formatter project
+ * CS 4481
+ */
+package submit.ast;
+
+import java.util.List;
+import submit.MIPSResult;
+import submit.RegisterAllocator;
+import submit.SymbolTable;
+
+/**
+ *
+ * @author edwajohn
+ */
+public class CompoundStatement extends AbstractNode implements Statement {
+
+  private final List<Statement> statements;
+  private SymbolTable symbolTable;
+
+  public CompoundStatement(List<Statement> statements,
+                           SymbolTable symbolTable) {
+    this.statements = statements;
+    this.symbolTable = symbolTable;
+  }
+
+  public SymbolTable getSymbolTable() { return symbolTable; }
+
+  @Override
+  public void toCminus(StringBuilder builder, String prefix) {
+    builder.append(prefix).append("{\n");
+    for (Statement s : statements) {
+      s.toCminus(builder, prefix + "  ");
+    }
+    builder.append(prefix).append("}\n");
+  }
+
+  @Override
+  public MIPSResult toMIPS(StringBuilder code, StringBuilder data,
+                           SymbolTable symbolTable,
+                           RegisterAllocator registerAllocator) {
+    code.append("# Entering a new scope.\n");
+    code.append("# Symbols in symbol table:\n");
+    for (String name : this.symbolTable.symbolNames())
+      code.append(
+          String.format("#  %s : %d\n", name, this.symbolTable.offsetOf(name)));
+
+    code.append("# Update the stack pointer.\n");
+    code.append(String.format("addi $sp $sp %d\n", symbolTable.getOffset()));
+
+    for (Statement statement : statements)
+      statement.toMIPS(code, data, this.symbolTable, registerAllocator);
+
+    code.append("# Exit scope.\n");
+    code.append(String.format("addi $sp $sp %s\n", -symbolTable.getOffset()));
+
+    return MIPSResult.createVoidResult();
+  }
+}