mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
038a4f0b80
C++ interop is now enabled in SwiftCompilerSources, so we can remove some of the C bridging layer and use C++ classes directly from Swift. rdar://83361087
64 lines
3.1 KiB
C++
64 lines
3.1 KiB
C++
//===-- RegexParserBridging.h --- Regex parser interface -*- C++ -*-===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See https://swift.org/LICENSE.txt for license information
|
|
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
#ifndef REGEX_PARSER_BRIDGING
|
|
#define REGEX_PARSER_BRIDGING
|
|
|
|
#include "swift/AST/ASTBridging.h"
|
|
#include <stdbool.h>
|
|
|
|
/// Attempt to lex a regex literal string. Takes the following arguments:
|
|
///
|
|
/// - CurPtrPtr: A pointer to the current pointer of lexer, which should be the
|
|
/// start of the literal. This will be advanced to the point at
|
|
/// which the lexer should resume, or will remain the same if this
|
|
/// is not a regex literal.
|
|
/// - BufferEnd: A pointer to the end of the buffer, which should not be lexed
|
|
/// past.
|
|
/// - MustBeRegex: whether an error during lexing should be considered a regex
|
|
/// literal, or some thing else.
|
|
/// - BridgedOptionalDiagnosticEngine: RegexLiteralLexingFn should diagnose the
|
|
/// token using this engine.
|
|
///
|
|
/// Returns: A bool indicating whether lexing was completely erroneous, and
|
|
/// cannot be recovered from, or false if there either was no error,
|
|
/// or there was a recoverable error.
|
|
typedef bool (*RegexLiteralLexingFn)(
|
|
/*CurPtrPtr*/ const char *_Nonnull *_Nonnull,
|
|
/*BufferEnd*/ const char *_Nonnull,
|
|
/*MustBeRegex*/ bool, BridgedOptionalDiagnosticEngine);
|
|
void Parser_registerRegexLiteralLexingFn(RegexLiteralLexingFn _Nullable fn);
|
|
|
|
/// Parse a regex literal string. Takes the following arguments:
|
|
///
|
|
/// - InputPtr: A null-terminated C string of the regex literal.
|
|
/// - VersionOut: A buffer accepting a regex literal format version.
|
|
/// - CaptureStructureOut: A buffer accepting a byte sequence representing the
|
|
/// capture structure of the literal.
|
|
/// - CaptureStructureSize: The size of the capture structure buffer. Must be
|
|
/// greater than or equal to `strlen(InputPtr) + 3`.
|
|
/// - DiagnosticBaseLoc: Start location of the regex literal.
|
|
/// - BridgedDiagnosticEngine: RegexLiteralParsingFn should diagnose the
|
|
/// parsing errors using this engine.
|
|
///
|
|
/// Returns: A bool value indicating if there was an error while parsing.
|
|
typedef bool (*RegexLiteralParsingFn)(/*InputPtr*/ const char *_Nonnull,
|
|
/*VersionOut*/ unsigned *_Nonnull,
|
|
/*CaptureStructureOut*/ void *_Nonnull,
|
|
/*CaptureStructureSize*/ unsigned,
|
|
/*DiagnosticBaseLoc*/ swift::SourceLoc,
|
|
BridgedDiagnosticEngine);
|
|
void Parser_registerRegexLiteralParsingFn(RegexLiteralParsingFn _Nullable fn);
|
|
|
|
#endif // REGEX_PARSER_BRIDGING
|