+/*******************************************************************************
+ Copyright (c) 2016, Michael Wallner <mike@php.net>.
+ All rights reserved.
+
+ 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.
+
+ 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 PSI_CONTEXT_H
+#define PSI_CONTEXT_H
+
+#include <stdbool.h>
+#include "token.h"
+
+/* zend_function_entry */
+#include "Zend/zend_API.h"
+
+struct psi_context;
+struct psi_token;
+struct psi_parser;
+struct psi_call_frame;
+struct psi_decl;
+struct psi_impl;
+struct psi_decl_arg;
+struct psi_decl_extvar;
+struct psi_let_exp;
+
+struct psi_context_ops {
+ /* library */
+ const char *name;
+ /* called once */
+ bool (*load)(void);
+ void (*free)(void);
+ /* called for each new context */
+ bool (*init)(struct psi_context *C);
+ void (*dtor)(struct psi_context *C);
+ /* compiler */
+ bool (*composite_init)(struct psi_context *C, struct psi_decl_arg *darg);
+ void (*composite_dtor)(struct psi_context *C, struct psi_decl_arg *darg);
+ bool (*extvar_init)(struct psi_context *C, struct psi_decl_extvar *evar);
+ void (*extvar_dtor)(struct psi_context *C, struct psi_decl_extvar *evar);
+ bool (*decl_init)(struct psi_context *C, struct psi_decl *decl);
+ void (*decl_dtor)(struct psi_context *C, struct psi_decl *decl);
+ bool (*impl_init)(struct psi_context *C, struct psi_impl *impl, zif_handler *zh);
+ void (*impl_dtor)(struct psi_context *C, struct psi_impl *impl);
+ bool (*cb_init)(struct psi_context *C, struct psi_let_exp *cb, struct psi_impl *impl);
+ void (*cb_dtor)(struct psi_context *C, struct psi_let_exp *cb, struct psi_impl *impl);
+ /* calls */
+ void (*call)(struct psi_call_frame *frame);
+ void (*call_va)(struct psi_call_frame *frame);
+ /* types */
+ void *(*typeof_impl)(struct psi_context *C, token_t impl_type);
+ void *(*typeof_decl)(struct psi_context *C, token_t decl_type);
+ void *(*copyof_type)(struct psi_context *C, void *orig_type);
+ void (*layoutof_type)(struct psi_context *C, void *orig_type, struct psi_layout *l);
+};
+
+#include "data.h"
+
+struct psi_context {
+ PSI_DATA_MEMBERS;
+ void *context;
+ struct psi_context_ops *ops;
+ zend_function_entry *closures;
+ struct psi_data *data;