Read from stdin only if - is explicitly given

2 files changed, 43 insertions, 10 deletions

diff --git a/solc/CommandLineInterface.cpp b/solc/CommandLineInterface.cpp
index 1f04c68a..89ac8806 100644
--- a/solc/CommandLineInterface.cpp
+++ b/solc/CommandLineInterface.cpp
@@ -404,9 +404,7 @@ bool CommandLineInterface::readInputFilesAndConfigureRemappings()
 {
 	bool ignoreMissing = m_args.count(g_argIgnoreMissingFiles);
 	bool addStdin = false;
-	if (!m_args.count(g_argInputFile))
-		addStdin = true;
-	else
+	if (m_args.count(g_argInputFile))
 		for (string path: m_args[g_argInputFile].as<vector<string>>())
 		{
 			auto eq = find(path.begin(), path.end(), '=');
@@ -450,6 +448,11 @@ bool CommandLineInterface::readInputFilesAndConfigureRemappings()
 		}
 	if (addStdin)
 		m_sourceCodes[g_stdinFileName] = dev::readStandardInput();
+	if (m_sourceCodes.size() == 0)
+	{
+		cerr << "No input files given. If you wish to use the standard input please specify \"-\" explicity." << endl;
+		return false;
+	}
 
 	return true;
 }
diff --git a/test/cmdlineTests.sh b/test/cmdlineTests.sh
index 1137c7b0..74b6a5a7 100755
--- a/test/cmdlineTests.sh
+++ b/test/cmdlineTests.sh
@@ -139,25 +139,55 @@ rm -rf "$TMPDIR"
 echo "Done."
 
 printTask "Testing library checksum..."
-echo '' | "$SOLC" --link --libraries a:0x90f20564390eAe531E810af625A22f51385Cd222
-! echo '' | "$SOLC" --link --libraries a:0x80f20564390eAe531E810af625A22f51385Cd222 2>/dev/null
+echo '' | "$SOLC" - --link --libraries a:0x90f20564390eAe531E810af625A22f51385Cd222 >/dev/null
+! echo '' | "$SOLC" - --link --libraries a:0x80f20564390eAe531E810af625A22f51385Cd222 &>/dev/null
 
 printTask "Testing long library names..."
-echo '' | "$SOLC" --link --libraries aveeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeerylonglibraryname:0x90f20564390eAe531E810af625A22f51385Cd222
+echo '' | "$SOLC" - --link --libraries aveeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeerylonglibraryname:0x90f20564390eAe531E810af625A22f51385Cd222 >/dev/null
 
-printTask "Testing overwriting files"
+printTask "Testing overwriting files..."
 TMPDIR=$(mktemp -d)
 (
     set -e
     # First time it works
-    echo 'contract C {} ' | "$SOLC" --bin -o "$TMPDIR/non-existing-stuff-to-create" 2>/dev/null
+    echo 'contract C {} ' | "$SOLC" - --bin -o "$TMPDIR/non-existing-stuff-to-create" 2>/dev/null
     # Second time it fails
-    ! echo 'contract C {} ' | "$SOLC" --bin -o "$TMPDIR/non-existing-stuff-to-create" 2>/dev/null
+    ! echo 'contract C {} ' | "$SOLC" - --bin -o "$TMPDIR/non-existing-stuff-to-create" 2>/dev/null
     # Unless we force
-    echo 'contract C {} ' | "$SOLC" --overwrite --bin -o "$TMPDIR/non-existing-stuff-to-create" 2>/dev/null
+    echo 'contract C {} ' | "$SOLC" - --overwrite --bin -o "$TMPDIR/non-existing-stuff-to-create" 2>/dev/null
 )
 rm -rf "$TMPDIR"
 
+printTask "Testing assemble, yul, strict-assembly..."
+echo '{}' | "$SOLC" - --assemble &>/dev/null
+echo '{}' | "$SOLC" - --julia &>/dev/null
+echo '{}' | "$SOLC" - --strict-assembly &>/dev/null
+
+printTask "Testing standard input..."
+TMPDIR=$(mktemp -d)
+(
+    set +e
+    output=$("$SOLC" --bin  2>&1)
+    result=$?
+    set -e
+
+    # This should fail
+    if [[ !("$output" =~ "No input files given") || ($result == 0) ]] ; then
+        printError "Incorrect response to empty input arg list: $STDERR"
+        exit 1
+    fi
+
+    set +e
+    output=$(echo 'contract C {} ' | "$SOLC" - --bin 2>/dev/null | grep -q "<stdin>:C")
+    result=$?
+    set -e
+
+    # The contract should be compiled
+    if [[ "$result" != 0 ]] ; then
+        exit 1
+    fi
+)
+
 printTask "Testing soljson via the fuzzer..."
 TMPDIR=$(mktemp -d)
 (