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// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "Crashlytics/Crashlytics/Private/FIRStackFrame_Private.h"
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@interface FIRStackFrame ()
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@property(nonatomic, copy, nullable) NSString *symbol;
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@property(nonatomic, copy, nullable) NSString *rawSymbol;
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@property(nonatomic, copy, nullable) NSString *library;
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@property(nonatomic, copy, nullable) NSString *fileName;
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@property(nonatomic, assign) uint32_t lineNumber;
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@property(nonatomic, assign) uint64_t offset;
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@property(nonatomic, assign) uint64_t address;
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@property(nonatomic, assign) BOOL isSymbolicated;
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@end
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@implementation FIRStackFrame
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#pragma mark - Public Methods
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- (instancetype)initWithSymbol:(NSString *)symbol file:(NSString *)file line:(NSInteger)line {
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self = [super init];
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if (!self) {
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return nil;
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}
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_symbol = [symbol copy];
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_fileName = [file copy];
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_lineNumber = (uint32_t)line;
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_isSymbolicated = true;
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return self;
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}
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+ (instancetype)stackFrameWithAddress:(NSUInteger)address {
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FIRStackFrame *frame = [self stackFrame];
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[frame setAddress:address];
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return frame;
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}
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+ (instancetype)stackFrameWithSymbol:(NSString *)symbol file:(NSString *)file line:(NSInteger)line {
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return [[FIRStackFrame alloc] initWithSymbol:symbol file:file line:line];
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}
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#pragma mark - Internal Methods
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+ (instancetype)stackFrame {
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return [[self alloc] init];
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}
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+ (instancetype)stackFrameWithSymbol:(NSString *)symbol {
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FIRStackFrame *frame = [self stackFrame];
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frame.symbol = symbol;
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frame.rawSymbol = symbol;
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return frame;
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}
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#pragma mark - Overrides
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- (NSString *)description {
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if (self.isSymbolicated) {
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return [NSString
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stringWithFormat:@"{%@ - %@:%u}", [self fileName], [self symbol], [self lineNumber]];
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}
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if (self.fileName) {
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return [NSString stringWithFormat:@"{[0x%llx] %@ - %@:%u}", [self address], [self fileName],
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[self symbol], [self lineNumber]];
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}
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return [NSString
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stringWithFormat:@"{[0x%llx + %u] %@}", [self address], [self lineNumber], [self symbol]];
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}
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@end
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