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Revert "Revert [cxx-interop][libswift] Use std::string instead of BridgedStringRef" #40820

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Revert "Revert [cxx-interop][libswift] Use std::string instead of BridgedStringRef" #40820

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3 changes: 2 additions & 1 deletion SwiftCompilerSources/Sources/SIL/BasicBlock.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,8 @@ final public class BasicBlock : ListNode, CustomStringConvertible {
public var function: Function { SILBasicBlock_getFunction(bridged).function }

public var description: String {
SILBasicBlock_debugDescription(bridged).takeString()
var s = SILBasicBlock_debugDescription(bridged)
return String(cString: s.c_str())
}

public var arguments: ArgumentArray { ArgumentArray(block: self) }
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3 changes: 2 additions & 1 deletion SwiftCompilerSources/Sources/SIL/Function.swift
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Expand Up @@ -18,7 +18,8 @@ final public class Function : CustomStringConvertible {
}

final public var description: String {
return SILFunction_debugDescription(bridged).takeString()
var s = SILFunction_debugDescription(bridged)
return String(cString: s.c_str())
}

public var entryBlock: BasicBlock {
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3 changes: 2 additions & 1 deletion SwiftCompilerSources/Sources/SIL/GlobalVariable.swift
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Expand Up @@ -18,7 +18,8 @@ final public class GlobalVariable : CustomStringConvertible {
}

public var description: String {
return SILGlobalVariable_debugDescription(bridged).takeString()
var s = SILGlobalVariable_debugDescription(bridged)
return String(cString: s.c_str())
}

// TODO: initializer instructions
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6 changes: 4 additions & 2 deletions SwiftCompilerSources/Sources/SIL/Instruction.swift
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Expand Up @@ -30,7 +30,8 @@ public class Instruction : ListNode, CustomStringConvertible, Hashable {
}

final public var description: String {
SILNode_debugDescription(bridgedNode).takeString()
var s = SILNode_debugDescription(bridgedNode)
return String(cString: s.c_str())
}

final public var operands: OperandArray {
Expand Down Expand Up @@ -123,7 +124,8 @@ public class SingleValueInstruction : Instruction, Value {

public final class MultipleValueInstructionResult : Value {
final public var description: String {
SILNode_debugDescription(bridgedNode).takeString()
var s = SILNode_debugDescription(bridgedNode)
return String(cString: s.c_str())
}

public var instruction: Instruction {
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3 changes: 2 additions & 1 deletion SwiftCompilerSources/Sources/SIL/Value.swift
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Expand Up @@ -20,7 +20,8 @@ public protocol Value : AnyObject, CustomStringConvertible {

extension Value {
public var description: String {
SILNode_debugDescription(bridgedNode).takeString()
var s = SILNode_debugDescription(bridgedNode)
return String(cString: s.c_str())
}

public var uses: UseList {
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17 changes: 5 additions & 12 deletions include/swift/SIL/SILBridging.h
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Expand Up @@ -15,10 +15,7 @@

#include "BridgedSwiftObject.h"
#include <stddef.h>

#ifdef __cplusplus
extern "C" {
#endif
#include <string>

SWIFT_BEGIN_NULLABILITY_ANNOTATIONS

Expand Down Expand Up @@ -164,19 +161,19 @@ BridgedSlab PassContext_freeSlab(BridgedPassContext passContext,
BridgedSlab slab);

BridgedStringRef SILFunction_getName(BridgedFunction function);
BridgedStringRef SILFunction_debugDescription(BridgedFunction function);
std::string SILFunction_debugDescription(BridgedFunction function);
OptionalBridgedBasicBlock SILFunction_firstBlock(BridgedFunction function);
OptionalBridgedBasicBlock SILFunction_lastBlock(BridgedFunction function);
SwiftInt SILFunction_numIndirectResultArguments(BridgedFunction function);
SwiftInt SILFunction_getSelfArgumentIndex(BridgedFunction function);

BridgedStringRef SILGlobalVariable_getName(BridgedGlobalVar global);
BridgedStringRef SILGlobalVariable_debugDescription(BridgedGlobalVar global);
std::string SILGlobalVariable_debugDescription(BridgedGlobalVar global);

OptionalBridgedBasicBlock SILBasicBlock_next(BridgedBasicBlock block);
OptionalBridgedBasicBlock SILBasicBlock_previous(BridgedBasicBlock block);
BridgedFunction SILBasicBlock_getFunction(BridgedBasicBlock block);
BridgedStringRef SILBasicBlock_debugDescription(BridgedBasicBlock block);
std::string SILBasicBlock_debugDescription(BridgedBasicBlock block);
OptionalBridgedInstruction SILBasicBlock_firstInst(BridgedBasicBlock block);
OptionalBridgedInstruction SILBasicBlock_lastInst(BridgedBasicBlock block);
SwiftInt SILBasicBlock_getNumArguments(BridgedBasicBlock block);
Expand All @@ -191,7 +188,7 @@ OptionalBridgedOperand Operand_nextUse(BridgedOperand);
BridgedInstruction Operand_getUser(BridgedOperand);
SwiftInt Operand_isTypeDependent(BridgedOperand);

BridgedStringRef SILNode_debugDescription(BridgedNode node);
std::string SILNode_debugDescription(BridgedNode node);
OptionalBridgedOperand SILValue_firstUse(BridgedValue value);
BridgedType SILValue_getType(BridgedValue value);

Expand Down Expand Up @@ -246,8 +243,4 @@ BridgedInstruction SILBuilder_createIntegerLiteral(BridgedInstruction insertionP

SWIFT_END_NULLABILITY_ANNOTATIONS

#ifdef __cplusplus
} // extern "C"
#endif

#endif
22 changes: 14 additions & 8 deletions lib/SIL/Utils/SILBridging.cpp
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Expand Up @@ -15,6 +15,8 @@
#include "swift/SIL/SILGlobalVariable.h"
#include "swift/SIL/SILBuilder.h"

#include <string>

using namespace swift;

namespace {
Expand Down Expand Up @@ -162,11 +164,12 @@ BridgedStringRef SILFunction_getName(BridgedFunction function) {
return getBridgedStringRef(castToFunction(function)->getName());
}

BridgedStringRef SILFunction_debugDescription(BridgedFunction function) {
std::string SILFunction_debugDescription(BridgedFunction function) {
std::string str;
llvm::raw_string_ostream os(str);
castToFunction(function)->print(os);
return getCopiedBridgedStringRef(str, /*removeTrailingNewline*/ true);
str.pop_back(); // Remove trailing newline.
return str;
}

OptionalBridgedBasicBlock SILFunction_firstBlock(BridgedFunction function) {
Expand Down Expand Up @@ -222,11 +225,12 @@ BridgedFunction SILBasicBlock_getFunction(BridgedBasicBlock block) {
return {castToBasicBlock(block)->getParent()};
}

BridgedStringRef SILBasicBlock_debugDescription(BridgedBasicBlock block) {
std::string SILBasicBlock_debugDescription(BridgedBasicBlock block) {
std::string str;
llvm::raw_string_ostream os(str);
castToBasicBlock(block)->print(os);
return getCopiedBridgedStringRef(str, /*removeTrailingNewline*/ true);
str.pop_back(); // Remove trailing newline.
return str;
}

OptionalBridgedInstruction SILBasicBlock_firstInst(BridgedBasicBlock block) {
Expand Down Expand Up @@ -286,11 +290,12 @@ BridgedBasicBlock SILArgument_getParent(BridgedArgument argument) {
static_assert(BridgedOperandSize == sizeof(Operand),
"wrong bridged Operand size");

BridgedStringRef SILNode_debugDescription(BridgedNode node) {
std::string SILNode_debugDescription(BridgedNode node) {
std::string str;
llvm::raw_string_ostream os(str);
castToSILNode(node)->print(os);
return getCopiedBridgedStringRef(str, /*removeTrailingNewline*/ true);
str.pop_back(); // Remove trailing newline.
return str;
}

static Operand *castToOperand(BridgedOperand operand) {
Expand Down Expand Up @@ -341,11 +346,12 @@ BridgedStringRef SILGlobalVariable_getName(BridgedGlobalVar global) {
return getBridgedStringRef(castToGlobal(global)->getName());
}

BridgedStringRef SILGlobalVariable_debugDescription(BridgedGlobalVar global) {
std::string SILGlobalVariable_debugDescription(BridgedGlobalVar global) {
std::string str;
llvm::raw_string_ostream os(str);
castToGlobal(global)->print(os);
return getCopiedBridgedStringRef(str, /*removeTrailingNewline*/ true);
str.pop_back(); // Remove trailing newline.
return str;
}

//===----------------------------------------------------------------------===//
Expand Down