Completed support for generating C code.

[repair.git] / Repair / RepairCompiler / MCC / IR / SumExpr.java

diff --git a/Repair/RepairCompiler/MCC/IR/SumExpr.java b/Repair/RepairCompiler/MCC/IR/SumExpr.java
index a03338e9dde7b148b76a108a5227cc744c8504d7..4c22d37890439cda08718785fcab64334de19cf0 100755 (executable)
--- a/Repair/RepairCompiler/MCC/IR/SumExpr.java
+++ b/Repair/RepairCompiler/MCC/IR/SumExpr.java
@@ -17,7 +17,7 @@ public class SumExpr extends Expr {
     }
 
     public String name() {
-       return "sum("+sd.getSafeSymbol()+"."+rd.getSafeSymbol()+")";
+       return "sum("+sd.toString()+"."+rd.toString()+")";
     }
 
     public boolean equals(Map remap, Expr e) {
@@ -39,7 +39,7 @@ public class SumExpr extends Expr {
     }
 
     public Descriptor getDescriptor() {
-        throw new Error();
+        throw new Error("Sum shouldn't appear on left hand side!");
     }
 
     public boolean inverted() {
@@ -54,14 +54,29 @@ public class SumExpr extends Expr {
     }
 
     public void generate(CodeWriter writer, VarDescriptor dest) {
-        throw new Error();
+        writer.addDeclaration("int",dest.getSafeSymbol());
+        writer.outputline(dest.getSafeSymbol()+"=0;");
+
+
+        VarDescriptor itvd=VarDescriptor.makeNew("iterator");
+        writer.addDeclaration("struct SimpleIterator",itvd.getSafeSymbol());
+        writer.outputline("SimpleHashiterator("+sd.getSafeSymbol()+"_hash , &"+itvd.getSafeSymbol()+");");
+        writer.outputline("while (hasNext(&"+itvd.getSafeSymbol()+")) {");
+        VarDescriptor keyvd=VarDescriptor.makeNew("key");
+        writer.addDeclaration("int",keyvd.getSafeSymbol());
+        writer.outputline(keyvd.getSafeSymbol()+"=next(&"+itvd.getSafeSymbol()+");");
+        VarDescriptor tmpvar=VarDescriptor.makeNew("tmp");
+        writer.addDeclaration("int",tmpvar.getSafeSymbol());
+        writer.outputline("SimpleHashget("+rd.getSafeSymbol()+"_hash, "+keyvd.getSafeSymbol()+", &"+tmpvar.getSafeSymbol()+");");
+        writer.outputline(dest.getSafeSymbol()+"+="+tmpvar.getSafeSymbol()+";");
+        writer.outputline("}");
     }
 
     public void prettyPrint(PrettyPrinter pp) {
         pp.output("sum(");
-        pp.output(sd.getSafeSymbol());
+        pp.output(sd.toString());
         pp.output(".");
-        pp.output(rd.getSafeSymbol());
+        pp.output(rd.toString());
         pp.output(")");
     }