cbuilder: ccgexprs sweep part 2

Author: metagn

compiler/cbuilderstmts.nim

@@ -92,3 +92,16 @@ template addElseBranch(builder: var Builder, stmt: var IfStmt, body: typed) =
   builder.add(" else {\n")
   body
   builder.add("}")
+
+template addGoto(builder: var Builder, label: TLabel) =
+  builder.add("goto ")
+  builder.add(label)
+  builder.add(";\n")
+
+template addIncr(builder: var Builder, val: Snippet) =
+  builder.add(val)
+  builder.add("++;\n")
+
+template addDecr(builder: var Builder, val: Snippet) =
+  builder.add(val)
+  builder.add("--;\n")