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logging cleanup

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move everything out-of-line as common path doesn't log
fix some race conditions on file ptr vs enable_logging vars
This commit is contained in:
Nuno Lopes 2021-08-29 12:24:19 +01:00
parent 1f4a7c5101
commit 9b5ec6d004
5 changed files with 106 additions and 76 deletions
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12
scripts/update_api.py
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@ -1719,14 +1719,12 @@ def write_log_h_preamble(log_h):
log_h.write('#define _Z3_UNUSED\n')
log_h.write('#endif\n')
#
log_h.write('#include<iostream>\n')
log_h.write('#include<atomic>\n')
log_h.write('extern std::ostream * g_z3_log;\n')
log_h.write('extern std::atomic<bool> g_z3_log_enabled;\n')
log_h.write('class z3_log_ctx { bool m_prev; public: z3_log_ctx() { m_prev = g_z3_log && g_z3_log_enabled.exchange(false); } ~z3_log_ctx() { if (g_z3_log) g_z3_log_enabled = m_prev; } bool enabled() const { return m_prev; } };\n')
log_h.write('inline void SetR(void * obj) { *g_z3_log << "= " << obj << "\\n"; }\ninline void SetO(void * obj, unsigned pos) { *g_z3_log << "* " << obj << " " << pos << "\\n"; } \ninline void SetAO(void * obj, unsigned pos, unsigned idx) { *g_z3_log << "@ " << obj << " " << pos << " " << idx << "\\n"; }\n')
log_h.write('#include "util/mutex.h"\n')
log_h.write('extern atomic<bool> g_z3_log_enabled;\n')
log_h.write('void ctx_enable_logging();\n')
log_h.write('class z3_log_ctx { bool m_prev; public: z3_log_ctx() { ATOMIC_EXCHANGE(m_prev, g_z3_log_enabled, false); } ~z3_log_ctx() { if (m_prev) g_z3_log_enabled = true; } bool enabled() const { return m_prev; } };\n')
log_h.write('void SetR(void * obj);\nvoid SetO(void * obj, unsigned pos);\nvoid SetAO(void * obj, unsigned pos, unsigned idx);\n')
log_h.write('#define RETURN_Z3(Z3RES) do { auto tmp_ret = Z3RES; if (_LOG_CTX.enabled()) { SetR(tmp_ret); } return tmp_ret; } while (0)\n')
log_h.write('void _Z3_append_log(char const * msg);\n')
def write_log_c_preamble(log_c):