Added optional Lua lexer support.

This support is disabled by default and must be enabled via compile-time option.

1 files changed, 43 insertions, 0 deletions

diff --git a/lua/src/lpcap.h b/lua/src/lpcap.h
new file mode 100644
index 000000000..d762fdcfa
--- /dev/null
+++ b/lua/src/lpcap.h
@@ -0,0 +1,43 @@
+/*
+** $Id: lpcap.h,v 1.2 2015/02/27 17:13:17 roberto Exp $
+*/
+
+#if !defined(lpcap_h)
+#define lpcap_h
+
+
+#include "lptypes.h"
+
+
+/* kinds of captures */
+typedef enum CapKind {
+  Cclose, Cposition, Cconst, Cbackref, Carg, Csimple, Ctable, Cfunction,
+  Cquery, Cstring, Cnum, Csubst, Cfold, Cruntime, Cgroup
+} CapKind;
+
+
+typedef struct Capture {
+  const char *s;  /* subject position */
+  unsigned short idx;  /* extra info (group name, arg index, etc.) */
+  byte kind;  /* kind of capture */
+  byte siz;  /* size of full capture + 1 (0 = not a full capture) */
+} Capture;
+
+
+typedef struct CapState {
+  Capture *cap;  /* current capture */
+  Capture *ocap;  /* (original) capture list */
+  lua_State *L;
+  int ptop;  /* index of last argument to 'match' */
+  const char *s;  /* original string */
+  int valuecached;  /* value stored in cache slot */
+} CapState;
+
+
+int runtimecap (CapState *cs, Capture *close, const char *s, int *rem);
+int getcaptures (lua_State *L, const char *s, const char *r, int ptop);
+int finddyncap (Capture *cap, Capture *last);
+
+#endif
+
+