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33eb3028f5
tests/accumulator/*.m:
tests/analysis_*/*.m:
tests/benchmarks*/*.m:
tests/debugger*/*.{m,exp,inp}:
tests/declarative_debugger*/*.{m,exp,inp}:
tests/dppd*/*.m:
tests/exceptions*/*.m:
tests/general*/*.m:
tests/grade_subdirs*/*.m:
tests/hard_coded*/*.m:
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 debugger tests,
specify the new line numbers in .inp files and expect them in .exp files.
172 lines
3.6 KiB
Mathematica
172 lines
3.6 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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%
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% Nested try goals.
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:- module try_syntax_6.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is cc_multi.
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%---------------------------------------------------------------------------%
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%---------------------------------------------------------------------------%
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:- implementation.
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:- import_module exception.
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%---------------------------------------------------------------------------%
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main(!IO) :-
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io.write_string("test_1:\n", !IO),
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test_1(!IO),
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io.write_string("\ntest_2:\n", !IO),
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test_2(!IO),
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io.write_string("\ntest_3:\n", !IO),
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test_3(!IO),
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io.write_string("\ntest_4:\n", !IO),
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test_4,
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io.write_string("\ntest_5:\n", !IO),
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test_5(!IO).
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% Nesting in try goal.
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%
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:- pred test_1(io::di, io::uo) is cc_multi.
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test_1(!IO) :-
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( try []
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( try []
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throw(3)
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then
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true
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catch 4 ->
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trace [io(!TIO)] (
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io.write_string("caught 4 (WRONG)\n", !TIO)
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)
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)
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then
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true
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else
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true
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catch 3 ->
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io.write_string("caught 3 (RIGHT)\n", !IO)
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).
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% Nesting in then part.
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%
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:- pred test_2(io::di, io::uo) is cc_multi.
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test_2(!IO) :-
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( try []
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(try []
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true
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then
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( try []
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throw(3)
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then
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true
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catch 4 ->
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trace [io(!TIO)] (
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io.write_string("caught 4 (WRONG)\n", !TIO)
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)
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)
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else
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true
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catch 3 ->
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trace [io(!TIO)] (
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io.write_string("caught 3 in middle try (WRONG)\n", !TIO)
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)
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)
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then
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true
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catch 3 ->
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io.write_string("caught 3 in outer try (RIGHT)\n", !IO)
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).
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% Nesting in else part.
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%
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:- pred test_3(io::di, io::uo) is cc_multi.
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test_3(!IO) :-
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( try []
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( try []
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fail
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then
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true % unreachable
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else
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% Nesting in else part.
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(try []
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throw(1) % should NOT be caught by the outer try
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then
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true
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)
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catch 1 ->
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trace [io(!TIO)] (
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io.write_string("caught 1 in inner try (WRONG)\n", !TIO)
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)
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)
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then
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true
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catch 1 ->
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io.write_string("caught 1 in outer try (RIGHT)\n", !IO)
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).
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% Nesting in catch part.
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:- pred test_4 is det.
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test_4 :-
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( try []
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( try []
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throw(1)
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then
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true
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catch 1 ->
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(try []
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throw(1)
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then
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true % unreachable
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catch 1 ->
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trace [io(!IO)] (
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io.write_string("caught 1 in inner try (RIGHT)\n", !IO)
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),
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throw(2)
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)
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catch 2 ->
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trace [io(!IO)] (
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io.write_string("caught 2 in middle try (WRONG)\n", !IO)
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)
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)
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then
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true
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catch 2 ->
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trace [io(!IO)] (
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io.write_string("caught 2 in outer try (RIGHT)\n", !IO)
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)
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).
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% Nesting in catch_any part.
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%
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:- pred test_5(io::di, io::uo) is cc_multi.
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test_5(!IO) :-
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( try []
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throw(1)
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then
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true
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catch_any X ->
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( try []
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throw(X)
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then
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true
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catch 1 ->
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io.write_string("caught 1 (RIGHT)\n", !IO)
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)
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).
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