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Add support for "implementation-defined literals" $file, $line, $module,

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Add support for "implementation-defined literals" $file, $line, $module,
$pred, $grade which are replaced constants by the compiler.

library/lexer.m:
	Add a new type of token.

	Read "$foo" as a `implementation_defined' token instead of two name
	tokens.

library/term.m:
library/term_io.m:
	Add a new type of constant, `implementation_defined'.

library/parser.m:
	Handle `implementation_defined' tokens from the lexer.

compiler/check_hlds.m:
compiler/implementation_defined_literals.m:
compiler/mercury_compile.m:
	Add a new pass to replace implementation-defined literals in program
	clauses.

	Call the new pass.

compiler/notes/compiler_design.html:
	Document the new module.

compiler/prog_data.m:
	Add a new option to `cons_id', namely `implementation_defined_const'.

compiler/typecheck.m:
	Tell the typechecker the types of the supported implementation-defined
	literals.

compiler/prog_io_util.m:
	Make `convert_bound_inst' fail if implementation-defined literals
	appear in inst definitions so that an error will be issued.

compiler/bytecode_gen.m:
compiler/ctgc.selector.m:
compiler/dead_proc_elim.m:
compiler/dependency_graph.m:
compiler/erl_unify_gen.m:
compiler/fact_table.m:
compiler/higher_order.m:
compiler/hlds_code_util.m:
compiler/hlds_out.m:
compiler/inst_check.m:
compiler/mercury_to_mercury.m:
compiler/mode_util.m:
compiler/module_qual.m:
compiler/prog_rep.m:
compiler/prog_type.m:
compiler/prog_util.m:
compiler/rbmm.execution_path.m:
compiler/unused_imports.m:
compiler/xml_documentation.m:
	Conform to addition of `implementation_defined_const'.

doc/reference_manual.texi:
	Document implementation-defined literals.

NEWS:
	Announce the new feature.

tests/hard_coded/Mmakefile:
tests/hard_coded/impl_def_lex.exp:
tests/hard_coded/impl_def_lex.m:
tests/hard_coded/impl_def_lex_string.exp:
tests/hard_coded/impl_def_lex_string.m:
tests/hard_coded/impl_def_literal.exp:
tests/hard_coded/impl_def_literal.m:
tests/invalid/Mmakefile:
tests/invalid/impl_def_literal_syntax.err_exp:
tests/invalid/impl_def_literal_syntax.m:
tests/invalid/undef_impl_def_literal.err_exp:
tests/invalid/undef_impl_def_literal.m:
	Add test cases.
This commit is contained in:
Peter Wang
2008-04-03 05:26:48 +00:00
parent 72a2c22281
commit fffedfba7c
44 changed files with 728 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
compiler/prog_util.m
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@@ -669,6 +669,7 @@ cons_id_arity(cons(_, Arity)) = Arity.
cons_id_arity(int_const(_)) = 0.
cons_id_arity(string_const(_)) = 0.
cons_id_arity(float_const(_)) = 0.
cons_id_arity(implementation_defined_const(_)) = 0.
cons_id_arity(pred_const(_, _)) =
unexpected(this_file, "cons_id_arity: can't get arity of pred_const").
cons_id_arity(type_ctor_info_const(_, _, _)) =
@@ -696,6 +697,7 @@ cons_id_maybe_arity(cons(_, Arity)) = yes(Arity).
cons_id_maybe_arity(int_const(_)) = yes(0).
cons_id_maybe_arity(string_const(_)) = yes(0).
cons_id_maybe_arity(float_const(_)) = yes(0).
cons_id_maybe_arity(implementation_defined_const(_)) = yes(0).
cons_id_maybe_arity(pred_const(_, _)) = no.
cons_id_maybe_arity(type_ctor_info_const(_, _, _)) = no.
cons_id_maybe_arity(base_typeclass_info_const(_, _, _, _)) = no.
@@ -709,6 +711,8 @@ make_functor_cons_id(term.atom(Name), Arity) = cons(unqualified(Name), Arity).
make_functor_cons_id(term.integer(Int), _) = int_const(Int).
make_functor_cons_id(term.string(String), _) = string_const(String).
make_functor_cons_id(term.float(Float), _) = float_const(Float).
make_functor_cons_id(term.implementation_defined(Name), _) =
implementation_defined_const(Name).
make_cons_id(SymName0, Args, TypeCtor) = cons(SymName, Arity) :-
% Use the module qualifier on the SymName, if there is one,