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/Mutable.java | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'submit/ast/Mutable.java') diff --git a/submit/ast/Mutable.java b/submit/ast/Mutable.java index d549371..ac9b7ff 100644 --- a/submit/ast/Mutable.java +++ b/submit/ast/Mutable.java @@ -4,11 +4,15 @@ */ package submit.ast; +import submit.MIPSResult; +import submit.RegisterAllocator; +import submit.SymbolTable; + /** * * @author edwajohn */ -public class Mutable extends AbstractNode implements Expression { +public class Mutable implements Expression { private final String id; private final Expression index; @@ -28,4 +32,14 @@ public class Mutable extends AbstractNode implements Expression { } } + public MIPSResult toMIPS(StringBuilder code, StringBuilder data, + SymbolTable symbolTable, + RegisterAllocator regAllocator) { + String stackReg = regAllocator.getAny(); + + code.append(String.format("li %s %d\n", stackReg, symbolTable.offsetOf(id))) + .append(String.format("add %s %s $sp\n", stackReg, stackReg)); + + return MIPSResult.createAddressResult(stackReg, VarType.INT); + } } -- cgit v1.2.3-70-g09d2