--- /dev/null	Fri Dec 21 15:00:14 2018
+++ new/usr/src/tools/smatch/src/parse.h	Fri Dec 21 15:00:14 2018
@@ -0,0 +1,155 @@
+#ifndef PARSE_H
+#define PARSE_H
+/*
+ * Basic parsing data structures. Statements and symbols.
+ *
+ * Copyright (C) 2003 Transmeta Corp.
+ *               2003 Linus Torvalds
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * 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
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#include "symbol.h"
+
+enum statement_type {
+	STMT_NONE,
+	STMT_DECLARATION,
+	STMT_EXPRESSION,
+	STMT_COMPOUND,
+	STMT_IF,
+	STMT_RETURN,
+	STMT_CASE,
+	STMT_SWITCH,
+	STMT_ITERATOR,
+	STMT_LABEL,
+	STMT_GOTO,
+	STMT_ASM,
+	STMT_CONTEXT,
+	STMT_RANGE,
+};
+
+struct statement {
+	enum statement_type type;
+	struct position pos;
+	struct statement *parent;
+	union {
+		struct /* declaration */ {
+			struct symbol_list *declaration;
+		};
+		struct /* context */ {
+			struct expression *expression;
+			struct expression *context;
+		};
+		struct /* return_statement */ {
+			struct expression *ret_value;
+			struct symbol *ret_target;
+		};
+		struct /* if_statement */ {
+			struct expression *if_conditional;
+			struct statement *if_true;
+			struct statement *if_false;
+		};
+		struct /* compound_struct */ {
+			struct statement_list *stmts;
+			struct symbol *ret;
+			struct symbol *inline_fn;
+			struct statement *args;
+		};
+		struct /* labeled_struct */ {
+			struct symbol *label_identifier;
+			struct statement *label_statement;
+		};
+		struct /* case_struct */ {
+			struct expression *case_expression;
+			struct expression *case_to;
+			struct statement *case_statement;
+			struct symbol *case_label;
+		};
+		struct /* switch_struct */ {
+			struct expression *switch_expression;
+			struct statement *switch_statement;
+			struct symbol *switch_break, *switch_case;
+		};
+		struct /* iterator_struct */ {
+			struct symbol *iterator_break;
+			struct symbol *iterator_continue;
+			struct symbol_list *iterator_syms;
+			struct statement  *iterator_pre_statement;
+			struct expression *iterator_pre_condition;
+
+			struct statement  *iterator_statement;
+
+			struct statement  *iterator_post_statement;
+			struct expression *iterator_post_condition;
+		};
+		struct /* goto_struct */ {
+			struct symbol *goto_label;
+
+			/* computed gotos have these: */
+			struct expression *goto_expression;
+			struct symbol_list *target_list;
+		};
+		struct /* asm */ {
+			struct expression *asm_string;
+			struct expression_list *asm_outputs;
+			struct expression_list *asm_inputs;
+			struct expression_list *asm_clobbers;
+			struct symbol_list *asm_labels;
+		};
+		struct /* range */ {
+			struct expression *range_expression;
+			struct expression *range_low;
+			struct expression *range_high;
+		};
+	};
+};
+
+extern struct symbol_list *function_computed_target_list;
+extern struct statement_list *function_computed_goto_list;
+
+extern struct token *parse_expression(struct token *, struct expression **);
+extern struct symbol *label_symbol(struct token *token);
+
+extern int show_statement(struct statement *);
+extern void show_statement_list(struct statement_list *, const char *);
+extern int show_expression(struct expression *);
+
+typedef void (*validate_decl_t)(struct symbol *decl);
+extern struct token *external_declaration(struct token *, struct symbol_list **, validate_decl_t);
+
+extern struct symbol *ctype_integer(int size, int want_unsigned);
+
+extern void copy_statement(struct statement *src, struct statement *dst);
+extern int inline_function(struct expression *expr, struct symbol *sym);
+extern void uninline(struct symbol *sym);
+extern void init_parser(int);
+
+static inline void stmt_set_parent_stmt(struct statement *stmt, struct statement *parent)
+{
+	if (!stmt)
+		return;
+	stmt->parent = parent;
+}
+
+static inline struct statement *stmt_get_parent_stmt(struct statement *stmt)
+{
+	return stmt->parent;
+}
+
+#endif /* PARSE_H */
