Fix for styleCheck:usages

evmc.nimble

@@ -15,6 +15,8 @@ proc test(name: string, lang: string = "cpp") =
     mkDir "build"
   --run
   switch("out", ("./build/" & name))
+  switch("styleCheck", "usages")
+  switch("styleCheck", "error")
   setCommand lang, "tests/" & name & ".nim"
 
 task test_debug, "Run all tests - test implementation":

evmc/evmc_nim.nim

@@ -55,11 +55,11 @@ proc copyCode*(ctx: HostContext, address: var evmc_address, codeOffset: int = 0)
   let size = ctx.getCodeSize(address)
   if size - codeOffset > 0:
     result = newSeq[byte](size - codeOffset)
-    let read = ctx.host.copy_code(ctx.context, address, code_offset.csize_t, result[0].addr, result.len.csize_t).int
+    let read = ctx.host.copy_code(ctx.context, address, codeOffset.csize_t, result[0].addr, result.len.csize_t).int
     doAssert(read == result.len)
 
 proc copyCode*(ctx: HostContext, address: var evmc_address, codeOffset: int, output: ptr byte, output_len: int): int =
-  ctx.host.copy_code(ctx.context, address, code_offset.csize_t, output, output_len.csize_t).int
+  ctx.host.copy_code(ctx.context, address, codeOffset.csize_t, output, output_len.csize_t).int
 
 proc selfdestruct*(ctx: HostContext, address, beneficiary: var evmc_address) =
   ctx.host.selfdestruct(ctx.context, address, beneficiary)

tests/test_host_vm.nim

@@ -18,10 +18,10 @@ import stew/byteutils
 
 {.compile: "evmc_c/example_host.cpp".}
 {.compile: "evmc_c/example_vm.cpp".}
-{.passL: "-lstdc++"}
+{.passl: "-lstdc++"}
 
 when defined(posix):
-  {.passC: "-std=c++14".}
+  {.passc: "-std=c++14".}
 
 # The original EVMC C/C++ `example_host_create_context` test code wants struct
 # `evmc_tx_context` passed by value, and `(tx_context: evmc_tx_context)` looks