fix #16555, fixes #16405: len, high honors '\0' for cstring in vm (#16610)

2021-01-11 01:16:20 -08:00 · 2021-01-11 01:16:20 -08:00 · f6c2450cdb
commit f6c2450cdb
parent 0286a0879b
6 changed files with 74 additions and 15 deletions
--- a/compiler/vm.nim
+++ b/compiler/vm.nim
@ -872,6 +872,10 @@ proc rawExecute(c: PCtx, start: int, tos: PStackFrame): TFullReg =
      decodeBImm(rkInt)
      assert regs[rb].kind == rkNode
      regs[ra].intVal = regs[rb].node.strVal.len - imm
+    of opcLenCstring:
+      decodeBImm(rkInt)
+      assert regs[rb].kind == rkNode
+      regs[ra].intVal = regs[rb].node.strVal.cstring.len - imm
    of opcIncl:
      decodeB(rkNode)
      let b = regs[rb].regToNode