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d24e15812b
This separates it from `libSwiftScan` and allows us to build this library without building much of the rest of the compiler. Also refactor `utils/build-parser-lib` into `utils/build-tooling-libs` which builds both SwiftSyntaxParser and SwiftStaticMirror.
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
//===- StringUtils.cpp - Routines for manipulating swiftscan_string_ref_t -===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/DependencyScan/StringUtils.h"
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#include <string>
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#include <vector>
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namespace swift {
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namespace c_string_utils {
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swiftscan_string_ref_t create_null() {
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swiftscan_string_ref_t str;
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str.data = nullptr;
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str.length = 0;
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return str;
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}
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swiftscan_string_ref_t create_clone(const char *string) {
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if (!string)
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return create_null();
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if (string[0] == '\0')
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return create_null();
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swiftscan_string_ref_t str;
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str.data = strdup(string);
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str.length = strlen(string);
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return str;
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}
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swiftscan_string_set_t *create_set(const std::vector<std::string> &strings) {
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swiftscan_string_set_t *set = new swiftscan_string_set_t;
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set->count = strings.size();
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set->strings = new swiftscan_string_ref_t[set->count];
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for (unsigned SI = 0, SE = set->count; SI < SE; ++SI)
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set->strings[SI] = create_clone(strings[SI].c_str());
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return set;
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}
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swiftscan_string_set_t *create_set(int count, const char **strings) {
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swiftscan_string_set_t *set = new swiftscan_string_set_t;
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set->count = count;
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set->strings = new swiftscan_string_ref_t[set->count];
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for (unsigned SI = 0, SE = set->count; SI < SE; ++SI)
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set->strings[SI] = create_clone(strings[SI]);
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return set;
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}
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swiftscan_string_set_t *create_empty_set() {
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swiftscan_string_set_t *set = new swiftscan_string_set_t;
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set->count = 0;
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return set;
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}
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const char *get_C_string(swiftscan_string_ref_t string) {
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return static_cast<const char *>(string.data);
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}
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} // namespace c_string_utils
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} // namespace swift
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