Fix bug in C code generation: Still emit RHS of void types since there can be effects.

namin · namin · commit 5c3022260139 · 2015-07-29T17:25:25.000+02:00
diff --git a/src/internal/CCodegen.scala b/src/internal/CCodegen.scala
@@ -46,6 +46,8 @@ trait CCodegen extends CLikeCodegen with CppHostTransfer {
   override def emitValDef(sym: Sym[Any], rhs: String): Unit = {
     if (!isVoidType(sym.tp))
       stream.println(remapWithRef(sym.tp) + quote(sym) + " = " + rhs + ";")
+    else // we might still want the RHS for its effects
+      stream.println(rhs + ";")
   }
 
   override def emitVarDef(sym: Sym[Variable[Any]], rhs: String): Unit = {

Original file line number	Diff line number	Diff line change
`@@ -46,6 +46,8 @@ trait CCodegen extends CLikeCodegen with CppHostTransfer {`
`46`	`46`	`override def emitValDef(sym: Sym[Any], rhs: String): Unit = {`
`47`	`47`	`if (!isVoidType(sym.tp))`
`48`	`48`	`stream.println(remapWithRef(sym.tp) + quote(sym) + " = " + rhs + ";")`
	`49`	`+ else // we might still want the RHS for its effects`
	`50`	`+ stream.println(rhs + ";")`
`49`	`51`	`}`
`50`	`52`
`51`	`53`	`override def emitVarDef(sym: Sym[Variable[Any]], rhs: String): Unit = {`