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vm: Support strict stackless mode, with proper exception reporting.

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I.e. in this mode, C stack will never be used to call a Python function,
but if there's no free heap for a call, it will be reported as
RuntimeError (as expected), not MemoryError.
This commit is contained in:
Paul Sokolovsky
2015-03-28 01:14:45 +02:00
parent f0a8f21190
commit 7f1c98177b
4 changed files with 38 additions and 3 deletions
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21
py/vm.c
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@@ -880,6 +880,12 @@ unwind_jump:;
nlr_pop();
goto run_code_state;
}
#if MICROPY_STACKLESS_STRICT
else {
deep_recursion_error:
mp_exc_recursion_depth();
}
#endif
}
#endif
SET_TOP(mp_call_function_n_kw(*sp, unum & 0xff, (unum >> 8) & 0xff, sp + 1));
@@ -912,6 +918,11 @@ unwind_jump:;
nlr_pop();
goto run_code_state;
}
#if MICROPY_STACKLESS_STRICT
else {
goto deep_recursion_error;
}
#endif
}
#endif
SET_TOP(mp_call_method_n_kw_var(false, unum, sp));
@@ -941,6 +952,11 @@ unwind_jump:;
nlr_pop();
goto run_code_state;
}
#if MICROPY_STACKLESS_STRICT
else {
goto deep_recursion_error;
}
#endif
}
#endif
SET_TOP(mp_call_method_n_kw(unum & 0xff, (unum >> 8) & 0xff, sp));
@@ -973,6 +989,11 @@ unwind_jump:;
nlr_pop();
goto run_code_state;
}
#if MICROPY_STACKLESS_STRICT
else {
goto deep_recursion_error;
}
#endif
}
#endif
SET_TOP(mp_call_method_n_kw_var(true, unum, sp));