From a1c15f046183373baf5deb66e77188e656806fb7 Mon Sep 17 00:00:00 2001 From: Elizabeth Hunt Date: Sun, 23 Apr 2023 00:24:42 -0600 Subject: squash all the things --- submit/ast/Assignment.java | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'submit/ast/Assignment.java') diff --git a/submit/ast/Assignment.java b/submit/ast/Assignment.java index 1a5d172..9c06cbe 100644 --- a/submit/ast/Assignment.java +++ b/submit/ast/Assignment.java @@ -4,6 +4,10 @@ */ package submit.ast; +import submit.MIPSResult; +import submit.RegisterAllocator; +import submit.SymbolTable; + /** * * @author edwajohn @@ -30,4 +34,25 @@ public class Assignment extends AbstractNode implements Expression { } } + public MIPSResult toMIPS(StringBuilder code, StringBuilder data, + SymbolTable symbolTable, + RegisterAllocator regAllocator) { + MIPSResult mut = mutable.toMIPS(code, data, symbolTable, regAllocator); + MIPSResult result = rhs.toMIPS(code, data, symbolTable, regAllocator); + + String registerWithAddressOfMutable = mut.getAddress(); + + if (result.getRegister() != null) { + code.append(String.format("sw %s 0(%s)\n", result.getRegister(), + registerWithAddressOfMutable)); + regAllocator.clear(result.getRegister()); + } else if (result.getAddress() != null) { + regAllocator.loadIntoRegister(result, code, result.getAddress()); + regAllocator.clear(result.getAddress()); + } + + regAllocator.clear(registerWithAddressOfMutable); + + return MIPSResult.createVoidResult(); + } } -- cgit v1.2.3-70-g09d2