Fixed the lexer to complain about invalid escape sequences in strings.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/build.l b/src/build.l
index aab7de1..20253bc 100644
--- a/src/build.l
+++ b/src/build.l
@@ -94,6 +94,7 @@ std::string strbuf;
 <strdq,strsq>\\\\                                       strbuf += "\\";
 <strdq,strsq>\\\"                                       strbuf += "\"";
 <strdq,strsq>\\\'                                       strbuf += "\'";
+<strdq,strsq>\\.                                        bld.error( yylloc, "Invalid escape sequence.");
 
 <strdq>\"                                                       {
         BEGIN( INITIAL );
@@ -110,7 +111,7 @@ std::string strbuf;
 .                                                                       {
         char buf[] = {"Character x is out of place"};
         buf[10] = yytext[0];
-        bld.error( yylloc, "Character !" );
+        bld.error( yylloc, buf );
 }
 
 %%