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authorJohn Wiegley <johnw@newartisans.com>2008-08-05 13:17:04 -0400
committerJohn Wiegley <johnw@newartisans.com>2008-08-05 18:05:49 -0400
commitf6f4a46cf5b14f9a2170cd6475958efbf320caec (patch)
tree05bc1defcdebc201de3dd10477483d906a842821 /parser.h
parentb7970b29855563e4c67f85af8b31233eda80c22a (diff)
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Moved around most of the files so that source code is in src/, documentation
is in doc/, etc.
Diffstat (limited to 'parser.h')
-rw-r--r--parser.h103
1 files changed, 0 insertions, 103 deletions
diff --git a/parser.h b/parser.h
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--- a/parser.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Copyright (c) 2003-2008, John Wiegley. 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.
- *
- * - Neither the name of New Artisans LLC 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 _PARSER_H
-#define _PARSER_H
-
-#include "token.h"
-#include "op.h"
-
-namespace ledger {
-
-class expr_t::parser_t : public noncopyable
-{
-#define EXPR_PARSE_NORMAL 0x00
-#define EXPR_PARSE_PARTIAL 0x01
-#define EXPR_PARSE_NO_MIGRATE 0x02
-#define EXPR_PARSE_NO_REDUCE 0x04
-#define EXPR_PARSE_NO_ASSIGN 0x08
-#define EXPR_PARSE_NO_DATES 0x10
-
-public:
- typedef uint_least8_t flags_t;
-
-private:
- mutable token_t lookahead;
- mutable bool use_lookahead;
-
- token_t& next_token(std::istream& in, flags_t tflags) const
- {
- if (use_lookahead)
- use_lookahead = false;
- else
- lookahead.next(in, tflags);
- return lookahead;
- }
-
- void push_token(const token_t& tok) const
- {
- assert(&tok == &lookahead);
- use_lookahead = true;
- }
-
- void push_token() const
- {
- use_lookahead = true;
- }
-
- ptr_op_t parse_value_term(std::istream& in, const flags_t flags) const;
- ptr_op_t parse_unary_expr(std::istream& in, const flags_t flags) const;
- ptr_op_t parse_mul_expr(std::istream& in, const flags_t flags) const;
- ptr_op_t parse_add_expr(std::istream& in, const flags_t flags) const;
- ptr_op_t parse_logic_expr(std::istream& in, const flags_t flags) const;
- ptr_op_t parse_and_expr(std::istream& in, const flags_t flags) const;
- ptr_op_t parse_or_expr(std::istream& in, const flags_t flags) const;
- ptr_op_t parse_querycolon_expr(std::istream& in, const flags_t flags) const;
- ptr_op_t parse_value_expr(std::istream& in, const flags_t flags) const;
-
-public:
- parser_t() : use_lookahead(false) {
- TRACE_CTOR(parser_t, "");
- }
- ~parser_t() throw() {
- TRACE_DTOR(parser_t);
- }
-
- ptr_op_t parse(std::istream& in, const flags_t flags = EXPR_PARSE_NORMAL);
- ptr_op_t parse(string& str, const flags_t flags = EXPR_PARSE_NORMAL) {
- std::istringstream stream(str);
- return parse(stream, flags);
- }
-};
-
-} // namespace ledger
-
-#endif // _PARSER_H