Program Listing for File lexer_lookahead.h
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// Copyright 2018 Open Source Robotics Foundation, Inc.
//
// 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.
#ifndef RCL__LEXER_LOOKAHEAD_H_
#define RCL__LEXER_LOOKAHEAD_H_
#include <stddef.h>
#include "rcl/allocator.h"
#include "rcl/lexer.h"
#include "rcl/macros.h"
#include "rcl/types.h"
#include "rcl/visibility_control.h"
#if __cplusplus
extern "C"
{
#endif
// Forward declaration
typedef struct rcl_lexer_lookahead2_impl_s rcl_lexer_lookahead2_impl_t;
typedef struct rcl_lexer_lookahead2_s
{
rcl_lexer_lookahead2_impl_t * impl;
} rcl_lexer_lookahead2_t;
RCL_PUBLIC
RCL_WARN_UNUSED
rcl_lexer_lookahead2_t
rcl_get_zero_initialized_lexer_lookahead2(void);
RCL_PUBLIC
RCL_WARN_UNUSED
rcl_ret_t
rcl_lexer_lookahead2_init(
rcl_lexer_lookahead2_t * buffer,
const char * text,
rcl_allocator_t allocator);
RCL_PUBLIC
RCL_WARN_UNUSED
rcl_ret_t
rcl_lexer_lookahead2_fini(
rcl_lexer_lookahead2_t * buffer);
RCL_PUBLIC
RCL_WARN_UNUSED
rcl_ret_t
rcl_lexer_lookahead2_peek(
rcl_lexer_lookahead2_t * buffer,
rcl_lexeme_t * next_type);
RCL_PUBLIC
RCL_WARN_UNUSED
rcl_ret_t
rcl_lexer_lookahead2_peek2(
rcl_lexer_lookahead2_t * buffer,
rcl_lexeme_t * next_type1,
rcl_lexeme_t * next_type2);
RCL_PUBLIC
RCL_WARN_UNUSED
rcl_ret_t
rcl_lexer_lookahead2_accept(
rcl_lexer_lookahead2_t * buffer,
const char ** lexeme_text,
size_t * lexeme_text_length);
RCL_PUBLIC
RCL_WARN_UNUSED
rcl_ret_t
rcl_lexer_lookahead2_expect(
rcl_lexer_lookahead2_t * buffer,
rcl_lexeme_t type,
const char ** lexeme_text,
size_t * lexeme_text_length);
RCL_PUBLIC
RCL_WARN_UNUSED
const char *
rcl_lexer_lookahead2_get_text(
const rcl_lexer_lookahead2_t * buffer);
#if __cplusplus
}
#endif
#endif // RCL__LEXER_LOOKAHEAD_H_