1 files changed, 10 insertions, 13 deletions
diff --git a/compiler/semdata.nim b/compiler/semdata.nim
index 7caabe13c..367c0eaf6 100644
--- a/compiler/semdata.nim
+++ b/compiler/semdata.nim
@@ -162,11 +162,10 @@ proc getCurrOwner*(c: PContext): PSym =
   result = c.graph.owners[^1]
 
 proc pushOwner*(c: PContext; owner: PSym) =
-  add(c.graph.owners, owner)
+  c.graph.owners.add(owner)
 
 proc popOwner*(c: PContext) =
-  var length = len(c.graph.owners)
-  if length > 0: setLen(c.graph.owners, length - 1)
+  if c.graph.owners.len > 0: setLen(c.graph.owners, c.graph.owners.len - 1)
   else: internalError(c.config, "popOwner")
 
 proc lastOptionEntry*(c: PContext): POptionEntry =
@@ -203,7 +202,7 @@ proc considerGenSyms*(c: PContext; n: PNode) =
       n.sym = s
   else:
     for i in 0..<n.safeLen:
-      considerGenSyms(c, n.sons[i])
+      considerGenSyms(c, n[i])
 
 proc newOptionEntry*(conf: ConfigRef): POptionEntry =
   new(result)
@@ -250,11 +249,9 @@ proc newContext*(graph: ModuleGraph; module: PSym): PContext =
   result.features = graph.config.features
 
 proc inclSym(sq: var seq[PSym], s: PSym) =
-  var L = len(sq)
-  for i in 0 ..< L:
+  for i in 0..<sq.len:
     if sq[i].id == s.id: return
-  setLen(sq, L + 1)
-  sq[L] = s
+  sq.add s
 
 proc addConverter*(c: PContext, conv: PSym) =
   inclSym(c.converters, conv)
@@ -407,8 +404,8 @@ proc makeRangeType*(c: PContext; first, last: BiggestInt;
                     info: TLineInfo; intType: PType = nil): PType =
   let intType = if intType != nil: intType else: getSysType(c.graph, info, tyInt)
   var n = newNodeI(nkRange, info)
-  addSon(n, newIntTypeNode(first, intType))
-  addSon(n, newIntTypeNode(last, intType))
+  n.add newIntTypeNode(first, intType)
+  n.add newIntTypeNode(last, intType)
   result = newTypeS(tyRange, c)
   result.n = n
   addSonSkipIntLit(result, intType) # basetype of range
@@ -425,16 +422,16 @@ proc illFormedAstLocal*(n: PNode; conf: ConfigRef) =
   localError(conf, n.info, errIllFormedAstX, renderTree(n, {renderNoComments}))
 
 proc checkSonsLen*(n: PNode, length: int; conf: ConfigRef) =
-  if len(n) != length: illFormedAst(n, conf)
+  if n.len != length: illFormedAst(n, conf)
 
 proc checkMinSonsLen*(n: PNode, length: int; conf: ConfigRef) =
-  if len(n) < length: illFormedAst(n, conf)
+  if n.len < length: illFormedAst(n, conf)
 
 proc isTopLevel*(c: PContext): bool {.inline.} =
   result = c.currentScope.depthLevel <= 2
 
 proc pushCaseContext*(c: PContext, caseNode: PNode) =
-  add(c.p.caseContext, (caseNode, 0))
+  c.p.caseContext.add((caseNode, 0))
 
 proc popCaseContext*(c: PContext) =
   discard pop(c.p.caseContext)