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diff --git a/src/resolver/resolver.h b/src/resolver/resolver.h
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+/*
+ * Copyright (c) 2012, Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *   * Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither the name of Intel Corporation nor the names of its contributors
+ *     may be used to endorse or promote products derived from this software
+ *     without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __MURPHY_RESOLVER_H__
+#define __MURPHY_RESOLVER_H__
+
+#include <stdio.h>
+#include <stdbool.h>
+
+typedef struct mrp_resolver_s mrp_resolver_t;
+
+#include <murphy/common/macros.h>
+#include <murphy/core/context.h>
+#include <murphy/core/scripting.h>
+
+MRP_CDECL_BEGIN
+
+
+/*
+ * tags and names of resolver-related events we emit
+ */
+
+#define MRP_RESOLVER_BUS           "resolver-bus"
+#define MRP_RESOLVER_EVENT_STARTED "resolver-update-start"
+#define MRP_RESOLVER_EVENT_FAILED  "resolver-update-failed"
+#define MRP_RESOLVER_EVENT_DONE    "resolver-update-done"
+
+#define MRP_RESOLVER_TAG_TARGET ((uint16_t)1)
+#define MRP_RESOLVER_TAG_LEVEL  ((uint16_t)2)
+
+/** Just create a resolver context without parsing any input. */
+mrp_resolver_t *mrp_resolver_create(mrp_context_t *ctx);
+
+/** Parse the given resolver input file into a resolver context. */
+mrp_resolver_t *mrp_resolver_parse(mrp_resolver_t *r, mrp_context_t *ctx,
+                                   const char *path);
+
+/** Add a new target with the given parameters to the resolver context. */
+int mrp_resolver_add_target(mrp_resolver_t *r, const char *target,
+                            const char **depend, int ndepend,
+                            const char *script_type,
+                            const char *script_source);
+
+/** Add a precompiled target to the resolver context. */
+int mrp_resolver_add_prepared_target(mrp_resolver_t *r, const char *target,
+                                     const char **depend, int ndepend,
+                                     mrp_interpreter_t *interpreter,
+                                     void *compiled_data, void *target_data);
+
+/** Add an alias for the given target. */
+int mrp_resolver_add_alias(mrp_resolver_t *r, const char *target,
+                           const char *alias);
+
+/** Enable autoupdate, generate autoupdate target if needed. */
+int mrp_resolver_enable_autoupdate(mrp_resolver_t *r, const char *name);
+
+/** Destroy the given resolver context, freeing all associated resources. */
+void mrp_resolver_destroy(mrp_resolver_t *r);
+
+/** Prepare the targets for resolution (link scriptlets, etc.). */
+int mrp_resolver_prepare(mrp_resolver_t *r);
+
+/** Update the given target. The NULL-terminated variable argument list
+    after the target name sepcifies the resolver context variables to
+    set during the update. Use a single NULL to omit variables. */
+int mrp_resolver_update_targetl(mrp_resolver_t *r,
+                                const char *target, ...) MRP_NULLTERM;
+
+#define mrp_resolver_update_target mrp_resolver_update_targetl
+
+/** Update the given target. The variable name and type/value arrays
+    specify the resolver context variables to set during the update. */
+int mrp_resolver_update_targetv(mrp_resolver_t *r, const char *target,
+                                const char **variables,
+                                mrp_script_value_t *values,
+                                int nvariable);
+
+/** Declare a context variable with a given type. */
+int mrp_resolver_declare_variable(mrp_resolver_t *r, const char *name,
+                                  mrp_script_type_t type);
+
+
+/** Get the value of a context variable by id. */
+int mrp_resolver_get_value(mrp_resolver_t *r, int id, mrp_script_value_t *v);
+#define mrp_resolver_get_value_by_id mrp_resolver_get_value
+
+/** Get the value of a context variable by name. */
+int mrp_resolver_get_value_by_name(mrp_resolver_t *r, const char *name,
+                                   mrp_script_value_t *v);
+
+/** Print the given value to the given buffer. */
+char *mrp_print_value(char *buf, size_t size, mrp_script_value_t *value);
+
+/** Produce a debug dump of all targets. */
+void mrp_resolver_dump_targets(mrp_resolver_t *r, FILE *fp);
+
+/** Produce a debug dump of all tracked facts. */
+void mrp_resolver_dump_facts(mrp_resolver_t *r, FILE *fp);
+
+/** Register a script interpreter. */
+int mrp_resolver_register_interpreter(mrp_interpreter_t *i);
+
+/** Unregister a script interpreter. */
+int mrp_resolver_unregister_interpreter(const char *name);
+
+MRP_CDECL_END
+
+#endif /* __MURPHY_RESOLVER_H__ */