diff options
Diffstat (limited to 'src/macro_rules')
| -rw-r--r-- | src/macro_rules/parse.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/macro_rules/parse.cpp b/src/macro_rules/parse.cpp index 5d478e64..38506a21 100644 --- a/src/macro_rules/parse.cpp +++ b/src/macro_rules/parse.cpp @@ -202,13 +202,18 @@ public: } } + //else if( tok.type() == TOK_IDENT || tok_is_rword(tok.type()) ) else if( tok.type() == TOK_IDENT || tok.type() == TOK_RWORD_TYPE || tok.type() == TOK_RWORD_PUB ) { // Look up the named parameter in the list of param names for this arm auto name = tok.type() == TOK_IDENT ? tok.str() : FMT(tok); unsigned int idx = ::std::find(var_names.begin(), var_names.end(), name) - var_names.begin(); - if( idx == var_names.size() ) - ERROR(lex.point_span(), E0000, "Macro variable $" << name << " not found"); + if( idx == var_names.size() ) { + // TODO: `error-chain`'s quick_error macro has an arm which refers to an undefined metavar. + // - Maybe emit a warning and use a marker index. + WARNING(lex.point_span(), W0000, "Macro variable $" << name << " not found"); + idx = (1<<30)-1; + } if( var_set_ptr ) { var_set_ptr->insert( ::std::make_pair(idx,true) ); } |