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author | John Wiegley <johnw@newartisans.com> | 2008-08-05 13:17:04 -0400 |
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committer | John Wiegley <johnw@newartisans.com> | 2008-08-05 18:05:49 -0400 |
commit | f6f4a46cf5b14f9a2170cd6475958efbf320caec (patch) | |
tree | 05bc1defcdebc201de3dd10477483d906a842821 /parser.h | |
parent | b7970b29855563e4c67f85af8b31233eda80c22a (diff) | |
download | fork-ledger-f6f4a46cf5b14f9a2170cd6475958efbf320caec.tar.gz fork-ledger-f6f4a46cf5b14f9a2170cd6475958efbf320caec.tar.bz2 fork-ledger-f6f4a46cf5b14f9a2170cd6475958efbf320caec.zip |
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.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/parser.h b/parser.h deleted file mode 100644 index 294d28ff..00000000 --- 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 |