From 3c15f48358ffd67aa53d02489594c949964f24f5 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Fri, 6 Jan 2012 22:49:04 +1000
Subject: Flex performance tweaks, and other options.

---
 LuaSL/build.sh             |  2 +-
 LuaSL/src/LuaSL_LSL_tree.h |  4 ----
 LuaSL/src/LuaSL_lexer.l    | 23 ++++++++++++++++-------
 3 files changed, 17 insertions(+), 12 deletions(-)

(limited to 'LuaSL')

diff --git a/LuaSL/build.sh b/LuaSL/build.sh
index 2573073..b118f5a 100755
--- a/LuaSL/build.sh
+++ b/LuaSL/build.sh
@@ -74,7 +74,7 @@ $command
 names="LuaSL_LSL_tree LuaSL_lexer LuaSL_yaccer.tab"
 
 LFLAGS="-d"
-command="flex -dbpv --outfile=LuaSL_lexer.c --header-file=LuaSL_lexer.h LuaSL_lexer.l"
+command="flex -C --outfile=LuaSL_lexer.c --header-file=LuaSL_lexer.h LuaSL_lexer.l"
 echo $command
 $command
 
diff --git a/LuaSL/src/LuaSL_LSL_tree.h b/LuaSL/src/LuaSL_LSL_tree.h
index 42cf0ac..271f4a8 100644
--- a/LuaSL/src/LuaSL_LSL_tree.h
+++ b/LuaSL/src/LuaSL_LSL_tree.h
@@ -4,10 +4,6 @@
 #ifndef __EXPRESSION_H__
 #define __EXPRESSION_H__
 
-#ifndef YY_NO_UNISTD_H
-#define YY_NO_UNISTD_H 1
-#endif // YY_NO_UNISTD_H
-
 //#define LUASL_USE_ENUM
 #define LUASL_DEBUG
 
diff --git a/LuaSL/src/LuaSL_lexer.l b/LuaSL/src/LuaSL_lexer.l
index 11c20a0..3eb59fb 100644
--- a/LuaSL/src/LuaSL_lexer.l
+++ b/LuaSL/src/LuaSL_lexer.l
@@ -13,10 +13,15 @@
 
 %}
 
-%option reentrant noyywrap never-interactive nounistd
-%option bison-bridge
+%option reentrant never-interactive batch
+%option bison-bridge yylineno 8bit 
+%option noreject noyymore noyywrap
+%option backup debug perf-report perf-report verbose warn
+%option align full
 
 SPACE       [ \r\n\t]*
+ENDSPACE    {SPACE}$
+
 LETTER      [A-Za-z]
 DECIMAL     [0-9]
 HEX         [0-9A-Fa-f]
@@ -28,11 +33,14 @@ FLOAT       {INTEGER}("."{INTEGER})?{EXPONANT}?
 
 %%
 
-{SPACE}         { ECHO; /* Skip blanks. */ }
-{NAME}          { ECHO; /* yylval->nameValue=strdup(yytext); return LSL_NAME; */ }
-{INTEGER}       { ECHO; yylval->integerValue = atoi(yytext); return LSL_INTEGER; }
-{FLOAT}         { ECHO; /* yylval->floatValue = atof(yytext); return LSL_FLOAT; */ }
+ /* Basic tokens */
+{ENDSPACE}      %{ /* Skip blanks at end of lines. */ %}
+{SPACE}         %{ ECHO; /* Skip blanks. */ %}
+{NAME}          %{ ECHO; /* yylval->nameValue=strdup(yytext); return LSL_NAME; */ %}
+{INTEGER}       %{ ECHO; yylval->integerValue = atoi(yytext); return LSL_INTEGER; %}
+{FLOAT}         %{ ECHO; /* yylval->floatValue = atof(yytext); return LSL_FLOAT; */ %}
 
+ /* Expression tokens */
 "&&"            { ECHO; return LSL_BOOL_AND; }
 "||"            { ECHO; return LSL_BOOL_OR; }
 "|"             { ECHO; return LSL_BIT_OR; }
@@ -56,7 +64,8 @@ FLOAT       {INTEGER}("."{INTEGER})?{EXPONANT}?
 "("             { ECHO; return LSL_PARENTHESIS_OPEN; }
 ")"             { ECHO; return LSL_PARENTHESIS_CLOSE; }
 
-.               { ECHO; printf(" unexpected character.\n"); }
+ /* Everything else */
+.               %{ ECHO; printf(" unexpected character.\n"); %}
 
 %%
 
-- 
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