-#ifndef _PSI_TYPES_LET_STMT_H
-#define _PSI_TYPES_LET_STMT_H
-
-typedef struct let_stmt {
- decl_var *var;
- let_val *val;
-} let_stmt;
-
-static inline let_stmt *init_let_stmt(decl_var *var, let_val *val) {
- let_stmt *let = calloc(1, sizeof(*let));
- let->var = var;
- let->val = val;
- return let;
-}
-
-static inline void free_let_stmt(let_stmt *stmt) {
- if (stmt->val) {
- if (stmt->val->kind == PSI_LET_TMP && stmt->var->arg) {
- free_decl_arg(stmt->var->arg);
- }
- free_let_val(stmt->val);
- }
- free_decl_var(stmt->var);
- free(stmt);
-}
+/*******************************************************************************
+ 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_TYPES_LET_STMT_H
+#define PSI_TYPES_LET_STMT_H
+
+struct psi_data;
+struct psi_token;
+struct psi_let_exp;
+struct psi_call_frame;
+struct psi_impl;
+
+struct psi_let_stmt {
+ struct psi_token *token;
+ struct psi_let_exp *exp;
+};
+
+struct psi_let_stmt *psi_let_stmt_init(struct psi_let_exp *exp);
+void psi_let_stmt_free(struct psi_let_stmt **stmt_ptr);
+void psi_let_stmt_dump(int fd, struct psi_let_stmt *stmt);
+
+void *psi_let_stmt_exec(struct psi_let_stmt *stmt, struct psi_call_frame *frame);
+bool psi_let_stmts_validate(struct psi_data *data, struct psi_impl *impl);