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+/*
+ * AUTHOR
+ * N. Nielsen
+ *
+ * LICENSE
+ * This software is in the public domain.
+ *
+ * The software is provided "as is", without warranty of any kind,
+ * express or implied, including but not limited to the warranties
+ * of merchantability, fitness for a particular purpose, and
+ * noninfringement. In no event shall the author(s) be liable for any
+ * claim, damages, or other liability, whether in an action of
+ * contract, tort, or otherwise, arising from, out of, or in connection
+ * with the software or the use or other dealings in the software.
+ *
+ * SUPPORT
+ * Send bug reports to: <nielsen@memberwebs.com>
+ */
+
+#ifndef __PRIV_H__
+#define __PRIV_H__
+
+#include "pcre.h"
+#include "execute.h"
+
+/*
+ WARNING: There are two different sets of positions around.
+ One set is absolute. This is relative to the beginning of
+ the document. Relative positions are relative to the beginning
+ of the current buffer.
+
+ - Locks use absolute
+ - Registers use absolute
+ - match code uses relative
+ - Replacements use absolute
+*/
+
+#define REL_TO_ABS(v, s) ((v) + (s)->offset)
+#define ABS_TO_REL(v, s) ((v) - (s)->offset)
+
+
+/* Internal state of rlib */
+struct internal_state
+{
+	/* Set of replacements to be written out */
+	replacement* replaces;
+
+	/* Set of variables currently set */
+	variables vars;
+
+	/* Set of watermarks for each regex */
+	memory mem;
+
+	/* Data for compiled expressions fastmaps etc... */
+	data working;
+
+	/* Locks */
+	locks lcks;
+
+	/* Total amount read before this point */
+	size_t offset;
+
+	uint vmregs[NUM_REGISTERS];
+
+	/* Various options for library */
+	long options;
+
+	/* A translate table for mixed case */
+	char caseTranslate[256];
+};
+
+
+/* Scripting functions */
+int compilerRun(r_script* script, const char* data);
+int compilerOptimize(r_script* script);
+void scriptSetError(r_script* script, const char* format, ...);
+
+/* Stream management functions */
+void opsIterate(vmop_t** ops);
+int opsFree(vmop_t* ops, size_t len);
+int opsDump(vmop_t* ops, FILE* f);
+
+
+/* Execution functions */
+int vmExecute(r_stream* stream, r_script* script);
+bool vmInit(r_stream* stream);
+void vmClean(r_stream* stream);
+void vmFree(r_stream* stream);
+
+static const char* kValidIdentifier = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_";
+
+
+#define USE_STACK_VARS
+
+#endif /* __PRIV_H__ */