X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=blobdiff_plain;f=src%2Ftools%2Fsysdb%2Fscanner.l;h=16defa61859085dc20dad932c8f812986af494e3;hp=518d299bea4707eabd1843b82f375e0c58f6f6c3;hb=b6c730c2d0cf400127da5ca96b51abd4ad335c0c;hpb=a2edc622eb8aa5ff956757a846405d7cbd05c646

diff --git a/src/tools/sysdb/scanner.l b/src/tools/sysdb/scanner.l
index 518d299..16defa6 100644
--- a/src/tools/sysdb/scanner.l
+++ b/src/tools/sysdb/scanner.l
@@ -32,6 +32,10 @@
  * find queries (terminated by semicolon).
  */
 
+#if HAVE_CONFIG_H
+#	include "config.h"
+#endif /* HAVE_CONFIG_H */
+
 #include "tools/sysdb/input.h"
 
 #include <string.h>
@@ -40,15 +44,15 @@
 #	undef YY_INPUT
 #endif
 #define YY_INPUT(buf, result, max_size) \
-	sdb_input_readline(sdb_input, (buf), &(result), (max_size))
+	sdb_input_readline((buf), (size_t *)&(result), (max_size))
 
 #define APPEND() \
 	do { \
-		sdb_input->query_len += strlen(yytext); \
+		if (! isspace((int)yytext[0])) \
+			sysdb_input->have_input = 1; \
+		sysdb_input->query_len += strlen(yytext); \
 	} while (0)
 
-static sdb_input_t *sdb_input;
-
 %}
 
 %option interactive
@@ -61,7 +65,7 @@ static sdb_input_t *sdb_input;
 
 %x CSC
 
-whitespace		([ \t\n\r\f]+)
+newline			(\n|\r\n)
 simple_comment	("--"[^\n\r]*)
 
 /*
@@ -71,11 +75,19 @@ csc_start	\/\*
 csc_inside	([^*/]+|[^*]\/|\*[^/])
 csc_end		\*\/
 
-identifier	([A-Za-z_][A-Za-z_0-9$]*)
+/*
+ * Strings.
+ */
+/* TODO: fully support SQL strings */
+string		('([^']|'')*')
 
 %%
 
-{whitespace}		{ APPEND(); }
+	/*
+	 * Here, we only care about syntax elements that may include semicolons
+	 * and escape their meaning as a query terminator.
+	 */
+
 {simple_comment}	{ APPEND(); }
 
 {csc_start}			{ APPEND(); BEGIN(CSC); }
@@ -83,23 +95,25 @@ identifier	([A-Za-z_][A-Za-z_0-9$]*)
 <CSC>{csc_end}		{ APPEND(); BEGIN(INITIAL); }
 <CSC><<EOF>>		{ return -1; }
 
-{identifier}		{ APPEND(); }
+{string}			{ APPEND(); }
 
 	/*
 	 * The following rules are specific to the command line tool.
 	 */
 
-";"	{ APPEND(); sdb_input_exec_query(sdb_input); }
+";\n"		{ APPEND(); sdb_input_exec_query(); }
+";"			{ APPEND(); sdb_input_exec_query(); }
 
-.	{ APPEND(); }
+{newline}	{
+				APPEND();
+				if (! sysdb_input->have_input)
+					/* give the input module a chance to do stuff on empty lines */
+					sdb_input_exec_query();
+			}
 
-%%
+.			{ APPEND(); }
 
-void
-sdb_input_set(sdb_input_t *new_input)
-{
-	sdb_input = new_input;
-} /* sdb_input_set */
+%%
 
 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */