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-rw-r--r--libbuild2/script/parser.cxx2
-rw-r--r--libbuild2/script/run.cxx2
-rw-r--r--libbuild2/script/script.cxx28
-rw-r--r--libbuild2/script/script.hxx9
4 files changed, 29 insertions, 12 deletions
diff --git a/libbuild2/script/parser.cxx b/libbuild2/script/parser.cxx
index 41d3092..ebfd5fc 100644
--- a/libbuild2/script/parser.cxx
+++ b/libbuild2/script/parser.cxx
@@ -1437,7 +1437,7 @@ namespace build2
}
else if (optional<string> v = str ("--unset", "-u"))
{
- verify_environment_var_name (*v, o.c_str (), "env: ", i->second);
+ verify_environment_var_name (*v, "env: ", i->second, o.c_str ());
r.variables.add (move (*v));
}
diff --git a/libbuild2/script/run.cxx b/libbuild2/script/run.cxx
index 3faa35c..f36e979 100644
--- a/libbuild2/script/run.cxx
+++ b/libbuild2/script/run.cxx
@@ -781,7 +781,7 @@ namespace build2
//
auto verify_name = [&ll] (const string& name, const char* opt)
{
- verify_environment_var_name (name, opt, "export: ", ll);
+ verify_environment_var_name (name, "export: ", ll, opt);
};
// Parse options (variable set/unset cleanups and unsets).
diff --git a/libbuild2/script/script.cxx b/libbuild2/script/script.cxx
index db53418..298d71f 100644
--- a/libbuild2/script/script.cxx
+++ b/libbuild2/script/script.cxx
@@ -818,18 +818,34 @@ namespace build2
//
void
verify_environment_var_name (const string& name,
- const char* opt,
const char* prefix,
- const location& l)
+ const location& l,
+ const char* opt)
{
if (name.empty ())
- fail (l) << prefix << "empty value for option " << opt;
+ {
+ diag_record dr (fail (l));
+ dr << prefix << "empty ";
+
+ if (opt == nullptr)
+ dr << "variable name";
+ else
+ dr << "value for option " << opt;
+ }
if (name.find ('=') != string::npos)
- fail (l) << prefix << "invalid value '" << name << "' for option "
- << opt << ": contains '='";
- }
+ {
+ diag_record dr (fail (l));
+ dr << prefix << "invalid ";
+
+ if (opt == nullptr)
+ dr << "variable name '" << name << "'";
+ else
+ dr << "value '" << name << "' for option " << opt;
+ dr << ": contains '='";
+ }
+ }
void
verify_environment_var_assignment (const string& var,
diff --git a/libbuild2/script/script.hxx b/libbuild2/script/script.hxx
index b4cb7fc..dd31e33 100644
--- a/libbuild2/script/script.hxx
+++ b/libbuild2/script/script.hxx
@@ -569,14 +569,15 @@ namespace build2
// Helpers.
//
- // Issue diagnostics with the specified prefix and fail if the string is
- // not a valid variable name or assignment (empty, etc).
+ // Issue diagnostics with the specified prefix and fail if the string
+ // (potentially an option value) is not a valid variable name or
+ // assignment (empty, etc).
//
void
verify_environment_var_name (const string&,
- const char* opt,
const char* prefix,
- const location&);
+ const location&,
+ const char* opt = nullptr);
void
verify_environment_var_assignment (const string&,