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Estimated hours taken: 0.05 Branches: main compiler/java_util.m: Delete an obsolete XXX comment that no longer applies.
187 lines
6.6 KiB
Mathematica
187 lines
6.6 KiB
Mathematica
%-----------------------------------------------------------------------------%
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% Copyright (C) 2001 The University of Melbourne.
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% This file may only be copied under the terms of the GNU General
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% Public License - see the file COPYING in the Mercury distribution.
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%-----------------------------------------------------------------------------%
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% File: java_util.m
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% Main author: juliensf.
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% This module defines utility routines that are used by the
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% Java backend. Much of the code below is similar to that in c_util.m;
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% changes made to this module may require changes c_util.m.
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%-----------------------------------------------------------------------------%
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:- module java_util.
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:- interface.
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:- import_module string.
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:- import_module builtin_ops.
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%-----------------------------------------------------------------------------%
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% Succeeds iff the given string matches a reserved
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% word in Java.
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%
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:- pred java_util__is_keyword(string).
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:- mode java_util__is_keyword(in) is semidet.
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%-----------------------------------------------------------------------------%
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%
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% The following predicates all take as input an operator,
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% check if it is an operator of the specified kind,
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% and if so, return the name of the corresponding Java operator
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% that can be used to implement it.
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%
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% The operator returned will be either a prefix operator
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% or function name. The operand needs
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% to be placed in parentheses after the operator name.
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%
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:- pred java_util__unary_prefix_op(builtin_ops__unary_op, string).
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:- mode java_util__unary_prefix_op(in, out) is det.
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% The operator returned will be <, >, etc.;
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% it can be used in the form:
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% `<string_object>.CompareTo(<Arg1>, <Arg2>) <Op> 0'.
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%
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:- pred java_util__string_compare_op(binary_op, string).
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:- mode java_util__string_compare_op(in, out) is semidet.
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% The operator returned will be +, *, etc.;
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% the arguments should be floats and the result will be a float.
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%
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:- pred java_util__float_op(binary_op, string).
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:- mode java_util__float_op(in, out) is semidet.
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% The operator returned will be <, >, etc.;
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% the arguments should be floats and the result will be a boolean.
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%
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:- pred java_util__float_compare_op(binary_op, string).
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:- mode java_util__float_compare_op(in, out) is semidet.
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% The operator returned will be an infix operator.
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% The arguments should be integer or booleans
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% and the result will be an integer or a boolean.
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%
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:- pred java_util__binary_infix_op(binary_op, string).
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:- mode java_util__binary_infix_op(in, out) is semidet.
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%-----------------------------------------------------------------------------%
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%-----------------------------------------------------------------------------%
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:- implementation.
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:- import_module list.
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:- import_module error_util.
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%-----------------------------------------------------------------------------%
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java_util__unary_prefix_op(mktag, _) :-
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unexpected(this_file, "Java backend does not support tags").
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java_util__unary_prefix_op(tag, _) :-
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unexpected(this_file, "Java backend does not support tags").
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java_util__unary_prefix_op(unmktag, _) :-
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unexpected(this_file, "Java backend does not support tags").
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java_util__unary_prefix_op(strip_tag, _) :-
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unexpected(this_file, "Java backend does not support tags").
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java_util__unary_prefix_op(mkbody, _) :-
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unexpected(this_file, "Java backend does not support tags").
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java_util__unary_prefix_op(unmkbody, _) :-
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unexpected(this_file, "Java backend does not support tags").
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java_util__unary_prefix_op(hash_string, _) :-
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sorry(this_file, "hash_string operators not supported yet").
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java_util__unary_prefix_op(bitwise_complement, "~").
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java_util__unary_prefix_op(not, "!").
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java_util__string_compare_op(str_eq, "==").
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java_util__string_compare_op(str_ne, "!=").
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java_util__string_compare_op(str_le, "<=").
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java_util__string_compare_op(str_ge, ">=").
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java_util__string_compare_op(str_lt, "<").
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java_util__string_compare_op(str_gt, ">").
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java_util__float_compare_op(float_eq, "==").
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java_util__float_compare_op(float_ne, "!=").
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java_util__float_compare_op(float_le, "<=").
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java_util__float_compare_op(float_ge, ">=").
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java_util__float_compare_op(float_lt, "<").
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java_util__float_compare_op(float_gt, ">").
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java_util__float_op(float_plus, "+").
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java_util__float_op(float_minus, "-").
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java_util__float_op(float_times, "*").
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java_util__float_op(float_divide, "/").
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java_util__binary_infix_op(+, "+").
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java_util__binary_infix_op(-, "-").
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java_util__binary_infix_op(*, "*").
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java_util__binary_infix_op(/, "/").
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java_util__binary_infix_op(<<, "<<").
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java_util__binary_infix_op(>>, ">>").
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java_util__binary_infix_op(&, "&").
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java_util__binary_infix_op('|', "|").
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java_util__binary_infix_op(^, "^").
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java_util__binary_infix_op(mod, "%").
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java_util__binary_infix_op(eq, "==").
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java_util__binary_infix_op(ne, "!=").
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java_util__binary_infix_op(and, "&&").
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java_util__binary_infix_op(or, "||").
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java_util__binary_infix_op(<, "<").
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java_util__binary_infix_op(>, ">").
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java_util__binary_infix_op(<=, "<=").
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%------------------------------------------------------------------------------%
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java_util__is_keyword("abstract").
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java_util__is_keyword("boolean").
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java_util__is_keyword("break").
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java_util__is_keyword("byte").
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java_util__is_keyword("case").
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java_util__is_keyword("catch").
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java_util__is_keyword("char").
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java_util__is_keyword("class").
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java_util__is_keyword("const").
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java_util__is_keyword("continue").
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java_util__is_keyword("default").
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java_util__is_keyword("do").
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java_util__is_keyword("double").
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java_util__is_keyword("else").
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java_util__is_keyword("extends").
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java_util__is_keyword("false").
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java_util__is_keyword("final").
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java_util__is_keyword("finally").
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java_util__is_keyword("float").
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java_util__is_keyword("for").
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java_util__is_keyword("goto").
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java_util__is_keyword("if").
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java_util__is_keyword("implements").
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java_util__is_keyword("import").
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java_util__is_keyword("instanceof").
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java_util__is_keyword("int").
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java_util__is_keyword("interface").
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java_util__is_keyword("long").
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java_util__is_keyword("native").
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java_util__is_keyword("new").
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java_util__is_keyword("null").
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java_util__is_keyword("package").
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java_util__is_keyword("private").
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java_util__is_keyword("protected").
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java_util__is_keyword("public").
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java_util__is_keyword("return").
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java_util__is_keyword("short").
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java_util__is_keyword("static").
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java_util__is_keyword("strictfp").
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java_util__is_keyword("super").
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java_util__is_keyword("switch").
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java_util__is_keyword("synchronized").
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java_util__is_keyword("this").
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java_util__is_keyword("throw").
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java_util__is_keyword("throws").
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java_util__is_keyword("transient").
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java_util__is_keyword("true").
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:- func this_file = string.
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this_file = "java_util.m".
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:- end_module java_util.
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%-----------------------------------------------------------------------------%
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