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Clean up the handling of the --java' and --gc' compilation options.

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Clean up the handling of the `--java' and `--gc' compilation options.

README.Java:
	Document the `--java' and `--target java' options,
	and use `--java' rather than `--grade java' in the examples.

compiler/handle_options.m:
	Fix a bug where `mmc --java --output-grade-string'
	was printing "java.gc" instead of "java".  It was calling
	set_gc_method to set the gc_method field in the globals structure,
	but it was not setting the corresponding string option in the
	options table, and compute_grade was looking at the string option.
	The fix was to also set the string option.

scripts/parse_grade_options.sh-subr:
	Handle the `--java' and `--java-only' options.

scripts/final_grade_options.sh-subr:
	For the IL and Java back-ends, set the gc_method to automatic.
	For the Java back-end, set highlevel_data to true.

compiler/globals.m:
	Fix an XXX: add a new alternative to the gc_method type,
	"automatic", to distinguish lack of GC ("none") from the
	automatic GC done by Java or the .NET CLR.

compiler/options.m:
doc/user_guide.texi:
	Document the new `--gc automatic' alternative for the `--gc' option.
	Delete the documentation of the deprecated `--gc conservative'
	option (which has been replaced with `--gc boehm').

compiler/compile_target_code.m:
compiler/handle_options.m:
scripts/parse_grade_options.sh-subr:
scripts/final_grade_options.sh-subr:
	Handle the new `--gc automatic' option..
This commit is contained in:
Fergus Henderson
2004-02-10 12:43:33 +00:00
parent 19cd818e72
commit 89adfe0d7b
8 changed files with 85 additions and 34 deletions
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16
scripts/final_grade_options.sh-subr
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@@ -1,5 +1,5 @@
#---------------------------------------------------------------------------#
# Copyright (C) 1998-2002 The University of Melbourne.
# Copyright (C) 1998-2002, 2004 The University of Melbourne.
# This file may only be copied under the terms of the GNU General
# Public License - see the file COPYING in the Mercury distribution.
#---------------------------------------------------------------------------#
@@ -54,6 +54,20 @@ case $target in asm|il|java)
highlevel_code=true ;;
esac
#
# --target Java implies --high-level-data
#
case $target in java)
highlevel_data=true ;;
esac
#
# --target IL or Java implies --gc automatic
#
case $target in il|java)
gc_method=automatic ;;
esac
#
# --high-level-code disables the use of low-level gcc extensions
#