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fdd141bf77
tests/invalid/*.{m,err_exp}:
tests/misc_tests/*.m:
tests/mmc_make/*.m:
tests/par_conj/*.m:
tests/purity/*.m:
tests/stm/*.m:
tests/string_format/*.m:
tests/structure_reuse/*.m:
tests/submodules/*.m:
tests/tabling/*.m:
tests/term/*.m:
tests/trailing/*.m:
tests/typeclasses/*.m:
tests/valid/*.m:
tests/warnings/*.{m,exp}:
Make these tests use four-space indentation, and ensure that
each module is imported on its own line. (I intend to use the latter
to figure out which subdirectories' tests can be executed in parallel.)
These changes usually move code to different lines. For the tests
that check compiler error messages, expect the new line numbers.
browser/cterm.m:
browser/tree234_cc.m:
Import only one module per line.
tests/hard_coded/boyer.m:
Fix something I missed.
42 lines
874 B
Mathematica
42 lines
874 B
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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:- module impure_func_t5.
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:- interface.
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:- import_module io.
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:- pred main(state::di, state::uo) is det.
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:- implementation.
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:- import_module int.
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:- import_module list.
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:- import_module require.
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:- type foo
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---> foo((func int) = int).
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:- pragma promise_pure(main/2).
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main -->
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{ Y = foo(get_counter) },
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{ Y = foo(X) },
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print("X = "),
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print(X(4)),
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nl.
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:- impure func get_counter(int) = int is det.
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:- pragma foreign_decl("C", "extern MR_Integer counter;").
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:- pragma foreign_code("C", "MR_Integer counter = 0;").
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:- pragma foreign_proc("C",
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get_counter(Y::in) = (X::out),
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[will_not_call_mercury],
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"
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X = counter + Y;
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").
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get_counter(X) = X.
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