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Code Activity

Migrate codebase to std::string_view (except z3++.h) (#8266)

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* Initial plan

* Update z3 codebase to use std::string_view (except z3++.h)

- Updated params.cpp/h to use string_view internally for parameter descriptions
- Updated trace.h/cpp to accept string_view for trace tag functions
- Updated hash.h/cpp to use string_view for string_hash function
- Updated all callers of string_hash to use string_view
- Properly handled nullptr to empty string_view conversions
- All tests passing

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

* Add missing string_view includes to headers

Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NikolajBjorner <3085284+NikolajBjorner@users.noreply.github.com>
This commit is contained in:
Copilot 2026-01-21 09:30:41 -08:00 • committed by Nikolaj Bjorner
parent 260db09e25
commit 671faf8f1c
20 changed files with 85 additions and 70 deletions
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5
src/util/hash.h
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@ -19,6 +19,7 @@ Revision History:
#pragma once
#include<algorithm>
#include<string_view>
#include "util/util.h"
#define mix(a,b,c) \
@ -65,10 +66,10 @@ inline unsigned hash_u_u(unsigned a, unsigned b) {
return combine_hash(hash_u(a), hash_u(b));
}
unsigned string_hash(const char * str, unsigned len, unsigned init_value);
unsigned string_hash(std::string_view str, unsigned init_value);
inline unsigned unsigned_ptr_hash(unsigned const* vec, unsigned len, unsigned init_value) {
return string_hash((char const*)(vec), len*4, init_value);
return string_hash(std::string_view((char const*)(vec), len*4), init_value);
}
template<typename Composite, typename GetKindHashProc, typename GetChildHashProc>