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LibWasm: Don't create useless temporary strings for trap reasons

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These strings are only used when execution traps, so there's no reason
to create actual strings until that happens; instead switch to using
StringViews.
This commit is contained in:
Ali Mohammad Pur 2021-07-06 14:28:55 +04:30 • committed by Ali Mohammad Pur
parent 2fc0040ceb
commit 06ffc0c4db
Notes: sideshowbarker 2024-07-18 22:57:59 +09:00
2 changed files with 4 additions and 4 deletions
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4
Userland/Libraries/LibWasm/AbstractMachine/BytecodeInterpreter.cpp
View file

@ -17,7 +17,7 @@ namespace Wasm {
#define TRAP_IF_NOT(x) \
do { \
if (trap_if_not(x, #x)) { \
if (trap_if_not(x, #x##sv)) { \
dbgln_if(WASM_TRACE_DEBUG, "Trapped because {} failed, at line {}", #x, __LINE__); \
return; \
} \
@ -25,7 +25,7 @@ namespace Wasm {
#define TRAP_IF_NOT_NORETURN(x) \
do { \
if (trap_if_not(x, #x)) { \
if (trap_if_not(x, #x##sv)) { \
dbgln_if(WASM_TRACE_DEBUG, "Trapped because {} failed, at line {}", #x, __LINE__); \
} \
} while (false)

4
Userland/Libraries/LibWasm/AbstractMachine/BytecodeInterpreter.h
View file

@ -49,10 +49,10 @@ protected:
T read_value(ReadonlyBytes data);
Vector<Value> pop_values(Configuration& configuration, size_t count);
bool trap_if_not(bool value, String reason)
bool trap_if_not(bool value, StringView reason)
{
if (!value)
m_trap = Trap { move(reason) };
m_trap = Trap { reason };
return m_trap.has_value();
}