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8 Commits

Author SHA1 Message Date
Zoltan Somogyi
3a1ed2efcb Replace simple_call_id with pf_sym_name_arity. 
compiler/prog_data.m:
    Delete the simple_call_id data type, since it is isomorphic
    to the pf_sym_name_arity type, which more clearly specifies
    what is stored inside it.

compiler/prog_out.m:
    Rename (all three versions of) simple_call_id_to_string to
    pf_sym_name_orig_arity_to_string, both to conform to the change
    in the input data type, and to emphasize that the resulting string
    will contain the *original* arity of functions (which does not include
    the return value), which is one less than the arity in the
    pf_sym_name_arity structure (which, in accordance with the
    convention inside the compiler that the arity is the length
    of the argument list, *does* include the return value).

    Delete the provision inside simple_call_id_to_string, now
    pf_sym_name_orig_arity_to_string, for special handling of the names
    of the predicates we use to implement promises, because it seems that
    *none* of the call sites to any of the three versions of this function
    can actually pass to it the identity of such a predicate. These calls
    refer to a predicate or mode declaration item (which promise predicates
    do not have), to clause or foreign_proc items (which again, promise
    predicates cannot have) or calls to the predicate (promise predicates
    cannot be called).

    Delete the exported predicate simple_call_id_to_sym_name_arity.
    It was called from exactly one place, inside prog_out.m itself,
    and this diff inlines that call.

    Avoid unnecessary forwarding of work from prog_out.m to error_util.m.

    Delete (all three versions of) write_simple_call_id. The changes
    below replace all their (few) uses with calls to
    pf_sym_name_orig_arity_to_string.

compiler/error_util.m:
    Replace the simple_call() error piece with qual_pf_sym_name_orig_arity,
    and add a new version unqual_pf_sym_name_orig_arity. Their names
    explicitly say that they print the original arities of functions,
    also say whether they strip away any module qualification on the
    sym_name inside the pf_sym_name_arity. We prefer the unqual version
    in situations where the module qualifier is implicit, which usually means
    that it must be the same as the name of the module being compiled, because
    it reduces visual clutter for readers of error messages.

    Put {qual,unqual}_pf_sym_name_orig_arity next to their most closely
    related function symbols, {qual,unqual}_sym_name_arity, in the
    format_component type. (This yields a few inconsequential changes
    in the order of error_specs when sorted.)

compiler/add_class.m:
compiler/add_clause.m:
compiler/add_foreign_proc.m:
compiler/add_pragma.m:
compiler/add_pragma_tabling.m:
compiler/add_pragma_type_spec.m:
compiler/add_pred.m:
compiler/check_libgrades.m:
compiler/check_parse_tree_type_defns.m:
compiler/check_promise.m:
compiler/check_typeclass.m:
compiler/convert_parse_tree.m:
compiler/equiv_type.m:
compiler/goal_expr_to_goal.m:
compiler/hlds_data.m:
compiler/hlds_desc.m:
compiler/hlds_goal.m:
compiler/hlds_out_pred.m:
compiler/hlds_out_util.m:
compiler/hlds_pred.m:
compiler/inst_util.m:
compiler/llds_out_instr.m:
compiler/make.module_target.m:
compiler/make.program_target.m:
compiler/make_hlds_error.m:
compiler/make_hlds_warn.m:
compiler/mark_tail_calls.m:
compiler/ml_unify_gen_construct.m:
compiler/mlds_to_c_stmt.m:
compiler/mode_errors.m:
compiler/mode_info.m:
compiler/modecheck_util.m:
compiler/module_qual.collect_mq_info.m:
compiler/module_qual.qualify_items.m:
compiler/parse_item.m:
compiler/parse_module.m:
compiler/parse_type_repn.m:
compiler/polymorphism.m:
compiler/post_typecheck.m:
compiler/pre_quantification.m:
compiler/pred_table.m:
compiler/prog_item.m:
compiler/recompilation.version.m:
compiler/term_constr_build.m:
compiler/termination.m:
compiler/type_ctor_info.m:
compiler/typecheck.m:
compiler/typecheck_errors.m:
compiler/typecheck_info.m:
compiler/unify_gen_construct.m:
compiler/unused_imports.m:
    Conform to the changes above. Where I am pretty sure that in an error
    message, the module qualifier of a name must be the current module,
    use unqual_pf_sym_name_orig_arity instead of qual_pf_sym_name_orig_arity.

    Add some sanity checks where they seem appropriate.

    Replace sequences of io.write_strings with uses of io.format where this
    yields clearer code. (This is why there were no remaining calls to
    write_simple_call_id.)

    Shorten some too-long lines.

    In add_pred.m, make the order of some predicate definitions match
    the order of the calls to them.

tests/invalid/ambiguous_method.err_exp:
tests/invalid/ambiguous_method_2.err_exp:
tests/invalid/bad_pred_arity.err_exp:
tests/invalid/bad_sv_unify_msg.err_exp:
tests/invalid/bigtest.err_exp:
tests/invalid/bug113.err_exp:
tests/invalid/bug197.err_exp:
tests/invalid/bug278.err_exp:
tests/invalid/bug410.err_exp:
tests/invalid/bug476.err_exp:
tests/invalid/bug487.err_exp:
tests/invalid/complex_constraint_err.err_exp:
tests/invalid/constrained_poly_insts.err_exp:
tests/invalid/errors.err_exp:
tests/invalid/errors1.err_exp:
tests/invalid/errors2.err_exp:
tests/invalid/exported_mode.err_exp:
tests/invalid/field_syntax_error.err_exp:
tests/invalid/foreign_singleton.err_exp:
tests/invalid/funcs_as_preds.err_exp:
tests/invalid/imported_mode.err_exp:
tests/invalid/invalid_binary_literal.err_exp:
tests/invalid/invalid_float_literal.err_exp:
tests/invalid/invalid_hex_literal.err_exp:
tests/invalid/invalid_octal_literal.err_exp:
tests/invalid/make_opt_error.err_exp:
tests/invalid/missing_det_decls.err_exp:
tests/invalid/multimode_syntax.err_exp:
tests/invalid/null_char.err_exp:
tests/invalid/occurs.err_exp:
tests/invalid/record_syntax_errors.err_exp:
tests/invalid/ref_to_implicit_pred.err_exp:
tests/invalid/require_tailrec_1.err_exp:
tests/invalid/require_tailrec_1.err_exp2:
tests/invalid/require_tailrec_2.err_exp:
tests/invalid/require_tailrec_2.err_exp2:
tests/invalid/require_tailrec_3.err_exp:
tests/invalid/require_tailrec_3.err_exp2:
tests/invalid/state_vars_test2.err_exp:
tests/invalid/state_vars_test3.err_exp:
tests/invalid/state_vars_test5.err_exp:
tests/invalid/type_inf_loop.err_exp:
tests/invalid/typeclass_constraint_extra_var.err_exp:
tests/invalid/typeclass_mode_2.err_exp:
tests/invalid/typeclass_test_12.err_exp:
tests/invalid/typeclass_test_2.err_exp:
tests/invalid/typeclass_test_9.err_exp:
tests/invalid/types.err_exp:
tests/invalid/types2.err_exp:
tests/invalid/unbound_type_vars.err_exp:
tests/invalid/with_type.err_exp:
tests/invalid_purity/purity_nonsense.err_exp:
tests/invalid_purity/purity_nonsense2.err_exp:
tests/warnings/double_underscore.exp:
tests/warnings/pragma_source_file.exp:
tests/warnings/singleton_test.exp:
tests/warnings/singleton_test.exp2:
tests/warnings/singleton_test.exp3:
tests/warnings/singleton_test.exp4:
tests/warnings/singleton_test_state_var.exp:
tests/warnings/warn_return.exp:
tests/warnings/warn_return.exp2:
tests/warnings/warn_return.exp3:
tests/warnings/warn_succ_ind.exp:
tests/warnings/warn_succ_ind.exp2:
tests/warnings/warn_succ_ind.exp3:
tests/warnings/warn_succ_ind.exp4:
    Update all these expected output files. Most changes are due to
    predicate and function names no longer being module qualified when
    the module qualification is obvious. A few changes are due to the
    change in the relative ordering of the function symbols of the
    format_component type.

    For singleton_test, warn_return and warn_succ_ind in warnings,
    the changes to the non-C .exp files were done by hand, so they
    may have the wrong white space.
 2020-03-16 12:10:28 +11:00
Zoltan Somogyi
fdd141bf77 Clean up the tests in the other test directories. 
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.
 2015-02-16 12:32:18 +11:00
Zoltan Somogyi
f070e2a1b7 Convert the make_hlds stage of the compiler from printing out error messages 
Estimated hours taken: 14
Branches: main

Convert the make_hlds stage of the compiler from printing out error messages
one at a time to gathering them all up and printing them all at once after
sorting and deleting duplicates. This approach makes it much easier to be
consistent about updating the exit status in the I/O state and the error count
in the module info, and indeed this diff fixes some bugs in this area.

This approach also means that instead of threading a pair of I/O states
through these modules, we now mostly thread through a list of error
specifications. In a couple of places, we create the I/O states we need
for printing progress messages using trace goals.

configure.in:
	Check that the installed compiler supports trace goals (perhaps with
	warnings), since the compiler now uses them.

compiler/Mercury.options:
	Temporarily compensate for a bug in the handling of trace goals.

compiler/add_class.m:
compiler/add_clause.m:
compiler/add_mode.m:
compiler/add_pragma.m:
compiler/add_pred.m:
compiler/add_solver.m:
compiler/add_type.m:
compiler/field_access.m:
compiler/foreign.m:
compiler/make_hlds_error.m:
compiler/make_hlds_passes.m:
compiler/make_hlds_warn.m:
compiler/module_qual.m:
compiler/modules.m:
compiler/qual_info.m:
compiler/state_var.m:
compiler/superhomogeneous.m:
	Make the change described at the top. In many cases, this required
	changing code to error util instead of io.write_strings to create the
	error messages.

	In some cases, move a predicate used in one module but defined in
	another module to the first module.

	Delete some predicates whose job used to be to test options to see
	whether a message should be generated, since we can now embed the
	option value that a message depends on in the error message itself.

	In module_qual.m, remove unnecessary module qualifications.

	In modules.m, give explicit names to a bunch of lambda expressions.

	Reformat comments to exploit the available columns.

compiler/check_typeclass.m:
	Conform to the changes above. Mark with XXX the places where we are
	ignoring the proper update of the error count in module_infos.

compiler/modes.m:
compiler/post_typecheck.m:
compiler/stratify.m:
compiler/table_gen.m:
compiler/unused_args.m:
	Use error_specs instead of plain pieces to print error messages.

compiler/options.m:
	Rename an option that conflicts with a language keyword.

compiler/handle_options.m:
	Conform to the change to options.m.

compiler/prog_data.m:
	Rename some function symbols that conflict with language keywords.

compiler/prog_out.m:
compiler/prog_io_util.m:
	Conform the change above, and delete some predicates that have
	now become unused.

compiler/mercury_compile.m:
	Rename a predicate to avoid an ambiguity.

	Conform to the changes above.

compiler/hlds_out.m:
compiler/make.module_dep_file.m:
compiler/make_hlds.m:
compiler/mercury_to_mercury.m:
compiler/mode_errors.m:
compiler/prog_io.m:
	Conform to the changes above. In some cases, delete predicates
	that aren't needed anymore.

tests/invalid/errors.err_exp:
tests/invalid/errors1.err_exp:
tests/invalid/state_vars_test3.err_exp:
tests/invalid/undef_inst.err_exp:
	Update this expected output to reflect the fact that we now sort
	the error messages.

tests/invalid/missing_interface_import2.err_exp:
tests/warnings/double_underscore.exp:
	Update this expected output to reflect the fact that we no longer
	print the same error message twice.

tests/invalid/missing_det_decls.err_exp:
	Update this expected output to reflect the fact that we now indent
	an error messages correctly.

tests/invalid/multimode_syntax.err_exp:
	Update this expected output to reflect the fact that we now use
	error_util instead of plain io.writes to create an error message.

tests/invalid/typeclass_test.err_exp:
tests/invalid/unsatisfiable_constraint.err_exp:
	Update this expected output to reflect minor improvements in the
	formatting of an error message.
 2006-09-10 23:39:17 +00:00
Zoltan Somogyi
5eee81204e A big step towards cleaning up the way we handle errors. 
Estimated hours taken: 28
Branches: main

A big step towards cleaning up the way we handle errors. The main changes are

- the provision, in error_util.m, of a mechanism for completely specifying
  everything to do with a single error in one data structure,

- the conversion of typecheck_errors.m from using io.write_string to
  using this new capability,

- the conversion of mode_errors.m and det_report.m from using
  write_error_pieces to using this new capability, and

- consistently using the quoting style `symname'/N instead of `symname/N'
  in error_util and hlds_error_util (previously, error_util used the former
  but hlds_error_util used the latter).

This diff sets up later diffs which will collect all error specifications
in a central place and print them all at once, in order.

compiler/error_util.m:
	The new type error_spec, which completely specifies an error.
	An error_spec may have multiple components with different contexts
	and may have parts which are printed only under certain conditions,
	e.g. a given option being set. Each error_spec has a severity
	and also records which phase found the error.

	The new predicate write_error_spec takes care of updates of the exit
	status for errors and (if --halt-at-warn is set) for warnings. It also
	takes care of setting the flag that calls for the reminder about -E
	at the end.

	This diff also makes it simpler to use the ability to print arbitrary
	output. It adds the ability to include integers in messages directly,
	and the ability to create blank lines. It renames some function symbols
	to avoid ambiguities.

	Move a predicate that only used by typecheck_errors.m to that file.

compiler/hlds_error_util.m:
	Switch to the `symname'/N quoting style for describing predicates and
	procedures.

compiler/prog_util.m:
	Switch to the `symname'/N quoting style for describing
	sym_name_and_arity.

compiler/hlds_module.m:
	Provide a predicate to increment the number of errors not by one,
	but by the number of errors printed by write_error_spec.

	Fix some documentation rot.

compiler/typecheck_errors.m:
	Use write_error_spec instead of io.write_strings to print error
	messages. In several cases, improve the formatting of the messages
	printed.

	Mark a number of places where we don't (yet) update the number of
	errors in the module_info correctly.

	Rename the checkpoint predicate to avoid potential ambiguity with
	similar predicates in e.g. mode_info.

compiler/typecheck_info.m:
	Group the code for writing stuff out together in one bunch. For each
	such predicate, create another that returns a list of format components
	instead of doing I/O directly.

compiler/typecheck.m:
	Move the code for writing inference messages here from
	typecheck_errors.m, since these messages aren't errors.

compiler/mode_errors.m:
compiler/det_report.m:
	Use write_error_spec instead of write_error_pieces. In the case of
	mode_errors.m, this means we now get correct the set of circumstances
	in which we set the flag that calls for the reminder about -E.

compiler/add_pragma.m:
compiler/add_type.m:
	Convert some code that used to use write_error_pieces to print error
	messages to use write_error_spec instead.

compiler/assertion.m:
compiler/hlds_pred.m:
compiler/post_typecheck.m:
	Assertion.m used to contain some code to check for assertions in the
	interface that mention predicates that are not exported. Move most
	of this code to post_typecheck.m (which is where this code used to be
	called from). One small part, which is a test for a particular property
	of import_statuses, is moved to hlds_pred.m to be with all the other
	similar tests of import_statuses.

compiler/prog_util.m:
	Change unqualify_name from a predicate to a function.

compiler/pred_table.m:
compiler/hlds_out.m:
	Avoid some ambiguities by adding a suffix to the names of some
	predicates.

compiler/*.m:
	Conform to the changes above.

library/list.m:
	Add a function that was previously present (with different names)
	in two compiler modules.

tests/hard_coded/allow_stubs.exp:
	Update the format of the expected exception.

tests/invalid/errors2.err_exp2:
	Remove this file. As far as I can tell, it was never the correct
	expected output on the main branch. (It originated on the alias branch
	way back in the mists of time.)

tests/invalid/*.err_exp:
tests/invalid/purity/*.err_exp:
tests/warnings/*.exp:
	Update the format of the expected error messages.

tests/recompilation/*.err_exp.2:
	Update the format of the expected messages about what was modified.
 2006-09-07 05:51:48 +00:00
Zoltan Somogyi
a65ad5dcb6 Allow simple_call_ids to be formatted by the predicates of error_util.m, 
Estimated hours taken: 6
Branches: main

Allow simple_call_ids to be formatted by the predicates of error_util.m,
and convert the error messages in some submodules of make_hlds.m to use this
capability.

compiler/hlds_pred.m:
compiler/prog_data.m:
	Move the simple_call_id type from hlds_pred to prog_data,
	since error_util shouldn't import any HLDS modules.

compiler/hlds_out.m:
compiler/prog_out.m:
	Move the predicates for printing simple_call_ids from hlds_out to
	prog_out.

	Change prog_out.m to four-space indentation to reduce the number
	of bad line breaks.

	In prog_out.m, move the relevant comments to the interface,
	delete unnecessary module qualifications, and delete some long
	obsolete commented-out code.

compiler/error_util.m:
	Add simple_call_id to the list of format components.

	Change to four-space indentation to reduce the number of bad line
	breaks.

	Conform to the standard format for comments.

compiler/add_pragma.m:
compiler/make_hlds_passes.m:
compiler/make_hlds_warn.m:
	Use the new capability to convert some error reporting code to use
	error_util.

compiler/*.m:
	Conform to the changes above, mostly by deleting now incorrect module
	qualifications.

tests/invalid/*.err_exp:
tests/warnings/*.err_exp:
	Expect the new, better formatted error messages.

tests/invalid/Mmakefile:
	Fix some too-long lines in comments.
 2005-08-08 02:33:19 +00:00
Ralph Becket
a8ffd3680c Change the compiler and tools so that .' and not :' is now used as the 
Estimated hours taken: 14
Branches: main

Change the compiler and tools so that `.' and not `:' is now used as the
module separator in all output.

Infix `.' now has associativity yfx and priority 10.

NEWS:
	Report the change.

configure.in:
	Amend the test for an up-to-date Mercury compiler to check whether
	it recognises `.' as a module qualifier.

compiler/code_gen.m:
compiler/error_util.m:
compiler/hlds_out.m:
compiler/prog_out.m:
compiler/prog_util.m:
compiler/rl_exprn.m:
compiler/rl_gen.m:
compiler/source_file_map.m:
compiler/unused_args.m:
library/io.m:
library/rtti_implementation.m:
library/type_desc.m:
runtime/mercury_debug.c:
runtime/mercury_deconstruct.c:
runtime/mercury_stack_trace.c:
	Change `:' to `.' as module separator for output.

compiler/mercury_to_mercury.m:
compiler/prog_io_typeclass.m:
	As above.
	Fixed a bug where `.' was not being recognised as a module separator.

doc/reference_manual.texi:
	Report the change.

library/term_io.m:
	Ensure that infix `.' is written without surrounding spaces.

tests/hard_coded/dot_separator.m:
tests/hard_coded/dot_separator.exp:
tests/hard_coded/Mmakefile:
	Test case added.
 2003-01-17 05:57:20 +00:00
Fergus Henderson
865330b626 Fix a few places where it was treating functions as if they 
Estimated hours taken: 1

compiler/make_hlds.m:
        Fix a few places where it was treating functions as if they
        were predicates in some of the error and warning messages.
        Also change a few of the messages slightly for consistency
        with other messages.

tests/warnings/Mmake:
tests/warnings/pragma_c_code_unused_var.m:
tests/warnings/pragma_c_code_unused_var.exp:
tests/warnings/singleton_test.m:
tests/warnings/singleton_test.exp:
        Add some test cases for singleton warnings in functions.
        Move the test in pragma_c_code_unused_var.m into
        singleton_test.m and remove pragma_c_code_unused_var.m.

tests/warnings/double_underscore.exp:
tests/warnings/pragma_source_file.exp:
	s/Warning/warning/g
 1997-04-21 07:09:21 +00:00
Thomas Conway
54395094a6 add a test case to test the warning produced for code containing 
Estimated hours taken: 0.25

tests/warnings/double_underscore.{m,exp}, Mmake:
	add a test case to test the warning produced for code containing
	multiple instances of the same _Var in the one scope.
 1996-11-05 04:38:49 +00:00