mirror of
https://github.com/JakeHillion/object-introspection.git
synced 2024-11-09 21:24:14 +00:00
107 lines
2.8 KiB
Plaintext
107 lines
2.8 KiB
Plaintext
/*
|
|
* Copyright (c) Meta Platforms, Inc. and affiliates.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
/*
|
|
* This is the bison grammar responsible for generating the ObjectIntrospection::OIParser class.
|
|
* This class gives us a number of things worth calling out here if only to
|
|
* remind me later :-):
|
|
*
|
|
* - A variant interface that replaces the C union interface for the
|
|
* parsers semantic values. Enabled by setting 'api.value.type variant' below.
|
|
*/
|
|
%skeleton "lalr1.cc"
|
|
%defines
|
|
%define api.namespace {ObjectIntrospection}
|
|
%define api.parser.class {OIParser}
|
|
%define parse.trace
|
|
%define parse.error verbose
|
|
%define parse.lac full
|
|
|
|
%code requires{
|
|
#include <list>
|
|
namespace ObjectIntrospection {
|
|
class OIScanner;
|
|
}
|
|
class ParseData;
|
|
}
|
|
|
|
/*
|
|
* ObjectIntrospection::OI_Parser constructor parameters. The scanner object is produced
|
|
* by flex and is derived from the yyFlexLexer class. The parser calls
|
|
* its yylex() implementation to generate input tokens. The ParseData
|
|
* object is spopulated by the lexer/parser introspection specifications
|
|
* specified in the input file.
|
|
*/
|
|
%parse-param { OIScanner &scanner }
|
|
%parse-param { ParseData &pdata }
|
|
|
|
%code{
|
|
#include <iostream>
|
|
#include <cstdlib>
|
|
#include <fstream>
|
|
#include <string>
|
|
#include <glog/logging.h>
|
|
#include "oi/OIParser.h"
|
|
#include "oi/OILexer.h"
|
|
|
|
#undef yylex
|
|
#define yylex scanner.yylex
|
|
}
|
|
|
|
%define api.value.type variant
|
|
%define parse.assert
|
|
%locations
|
|
|
|
%token <char>OI_COLON
|
|
%token <std::string>OI_PROBETYPE
|
|
%token <std::string>OI_FUNC
|
|
%token <std::list<std::string>>OI_ARG
|
|
%token <char>OI_COMMA
|
|
%token OI_EOF 0
|
|
|
|
%type <std::list<std::string>> oi_args
|
|
|
|
%%
|
|
|
|
script: oi_blocks OI_EOF
|
|
|
|
oi_blocks: oi_block | oi_blocks oi_block
|
|
|
|
oi_args: OI_ARG OI_COMMA oi_args
|
|
{
|
|
$$ = std::move($3);
|
|
$$.push_front(std::move($1.front()));
|
|
}
|
|
| OI_ARG;
|
|
|
|
oi_block: OI_PROBETYPE OI_COLON OI_FUNC OI_COLON oi_args
|
|
{
|
|
pdata.addReq(std::move($1), std::move($3), std::move($5));
|
|
}
|
|
| OI_PROBETYPE OI_COLON OI_FUNC
|
|
{
|
|
pdata.addReq(std::move($1), std::move($3), {});
|
|
}
|
|
;
|
|
%%
|
|
|
|
|
|
void
|
|
ObjectIntrospection::OIParser::error(const location_type &l, const std::string &err_message)
|
|
{
|
|
LOG(ERROR) << "OI Parse Error: " << err_message << " at " << l;
|
|
}
|