Add some experience to the flex, prefixes

3 files changed, 14 insertions, 4 deletions

diff --git a/project2/sql/sql.ll b/project2/sql/sql.ll
index 604a53d..ab40642 100644
--- a/project2/sql/sql.ll
+++ b/project2/sql/sql.ll
@@ -1,13 +1,16 @@
 %option batch
 %option c++
 %option noyywrap
+%option 8bit
+%option stack
+%option yylineno
 %option yyclass="sqlFlexLexer"
+%option prefix="sqlBase"
 
 %{
 #include <stdexcept>
 #include "sqlFlexLexer.h"
-std::string comment;
-std::string statement;
+#pragma GCC diagnostic ignored "-Wsign-compare"
 %}
 
 space			[ \t\n\r\f]
@@ -115,3 +118,6 @@ p2mockscriptdir "$P2MOCKSCRIPTDIR"
 	statement += YYText();
 }
 
+<*>[ \t\r\n\f] {
+}
+
diff --git a/project2/sql/sqlFlexLexer.cpp b/project2/sql/sqlFlexLexer.cpp
index cbf2416..eaacd50 100644
--- a/project2/sql/sqlFlexLexer.cpp
+++ b/project2/sql/sqlFlexLexer.cpp
@@ -1,3 +1,4 @@
+#define yyFlexLexer sqlBaseFlexLexer
 #include <FlexLexer.h>
 #include "sqlFlexLexer.h"
 #include <logger.h>
@@ -10,8 +11,9 @@ sqlFlexLexer::sqlFlexLexer(const boost::filesystem::path & s, std::istream & f,
 }
 
 void
-sqlFlexLexer::LexerOutput(const char *, int)
+sqlFlexLexer::LexerError(const char * msg)
 {
+	throw std::runtime_error(msg);
 }
 
 void
diff --git a/project2/sql/sqlFlexLexer.h b/project2/sql/sqlFlexLexer.h
index fbaf799..55019e5 100644
--- a/project2/sql/sqlFlexLexer.h
+++ b/project2/sql/sqlFlexLexer.h
@@ -13,10 +13,12 @@ class sqlFlexLexer : public yyFlexLexer {
 		std::string MockScriptDir() const;
 
 	protected:
-		void LexerOutput(const char *, int) override;
+		void LexerError(const char *) override;
 
 	private:
 		DB::Connection * conn;
 		const boost::filesystem::path script;
+		std::string comment;
+		std::string statement;
 };