From 81b176e1504a05da65fd5989c3a2d2f389786ab0 Mon Sep 17 00:00:00 2001
From: David Shah <dave@ds0.me>
Date: Mon, 25 Feb 2019 14:40:38 +0000
Subject: ecp5: Improve error handling and warning generation in LPF parser

Signed-off-by: David Shah <dave@ds0.me>
---
 ecp5/main.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'ecp5/main.cc')

diff --git a/ecp5/main.cc b/ecp5/main.cc
index 4f9ac3da..98b6b901 100644
--- a/ecp5/main.cc
+++ b/ecp5/main.cc
@@ -157,7 +157,10 @@ void ECP5CommandHandler::customAfterLoad(Context *ctx)
         std::vector<std::string> files = vm["lpf"].as<std::vector<std::string>>();
         for (const auto &filename : files) {
             std::ifstream in(filename);
-            ctx->applyLPF(filename, in);
+            if (!in)
+                log_error("failed to open LPF file '%s'\n", filename.c_str());
+            if (!ctx->applyLPF(filename, in))
+                log_error("failed to parse LPF file '%s'\n", filename.c_str());
         }
     }
 }
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