hare

commit 3dd574837fff80fe080d3d55016261f8f72cd689
parent 93e46ffcb8d471bf1eaa7b53b163f8220932e5b7
Author: Armin Preiml <apreiml@strohwolke.at>
Date:   Sat, 27 Aug 2022 19:38:49 +0200

log: add silent logger for turning off logs

Signed-off-by: Armin Preiml <apreiml@strohwolke.at>

Diffstat:
A
log/silent.ha
 | 
13
+++++++++++++
M
scripts/gen-stdlib
 | 
4
++--
M
stdlib.mk
 | 
12
++++++++----

3 files changed, 23 insertions(+), 6 deletions(-)
diff --git a/log/silent.ha b/log/silent.ha
@@ -0,0 +1,13 @@
+use fmt;
+
+// A logger that does not print any messages.
+export let silent: *logger = &_silent;
+
+let _silent: logger = logger {
+	println = &silent_println,
+	printfln = &silent_printfln,
+};
+
+fn silent_println(l: *logger, fields: fmt::formattable...) void = return;
+fn silent_printfln(l: *logger, fmt: str, fields: fmt::field...) void = return;
+
diff --git a/scripts/gen-stdlib b/scripts/gen-stdlib
@@ -919,9 +919,9 @@ linux_vdso() {
 }
 
 log() {
-	gen_srcs -plinux log logger.ha global.ha funcs.ha
+	gen_srcs -plinux log logger.ha global.ha funcs.ha silent.ha
 	gen_ssa -plinux log datetime fmt io os
-	gen_srcs -pfreebsd log logger.ha global.ha funcs.ha
+	gen_srcs -pfreebsd log logger.ha global.ha funcs.ha silent.ha
 	gen_ssa -pfreebsd log datetime fmt io os
 }
 
diff --git a/stdlib.mk b/stdlib.mk
@@ -1517,7 +1517,8 @@ $(HARECACHE)/linux/vdso/linux_vdso-linux.ssa: $(stdlib_linux_vdso_linux_srcs) $(
 stdlib_log_linux_srcs = \
 	$(STDLIB)/log/logger.ha \
 	$(STDLIB)/log/global.ha \
-	$(STDLIB)/log/funcs.ha
+	$(STDLIB)/log/funcs.ha \
+	$(STDLIB)/log/silent.ha
 
 $(HARECACHE)/log/log-linux.ssa: $(stdlib_log_linux_srcs) $(stdlib_rt) $(stdlib_datetime_$(PLATFORM)) $(stdlib_fmt_$(PLATFORM)) $(stdlib_io_$(PLATFORM)) $(stdlib_os_$(PLATFORM))
 	@printf 'HAREC \t$@\n'
@@ -1529,7 +1530,8 @@ $(HARECACHE)/log/log-linux.ssa: $(stdlib_log_linux_srcs) $(stdlib_rt) $(stdlib_d
 stdlib_log_freebsd_srcs = \
 	$(STDLIB)/log/logger.ha \
 	$(STDLIB)/log/global.ha \
-	$(STDLIB)/log/funcs.ha
+	$(STDLIB)/log/funcs.ha \
+	$(STDLIB)/log/silent.ha
 
 $(HARECACHE)/log/log-freebsd.ssa: $(stdlib_log_freebsd_srcs) $(stdlib_rt) $(stdlib_datetime_$(PLATFORM)) $(stdlib_fmt_$(PLATFORM)) $(stdlib_io_$(PLATFORM)) $(stdlib_os_$(PLATFORM))
 	@printf 'HAREC \t$@\n'
@@ -3732,7 +3734,8 @@ $(TESTCACHE)/linux/vdso/linux_vdso-linux.ssa: $(testlib_linux_vdso_linux_srcs) $
 testlib_log_linux_srcs = \
 	$(STDLIB)/log/logger.ha \
 	$(STDLIB)/log/global.ha \
-	$(STDLIB)/log/funcs.ha
+	$(STDLIB)/log/funcs.ha \
+	$(STDLIB)/log/silent.ha
 
 $(TESTCACHE)/log/log-linux.ssa: $(testlib_log_linux_srcs) $(testlib_rt) $(testlib_datetime_$(PLATFORM)) $(testlib_fmt_$(PLATFORM)) $(testlib_io_$(PLATFORM)) $(testlib_os_$(PLATFORM))
 	@printf 'HAREC \t$@\n'
@@ -3744,7 +3747,8 @@ $(TESTCACHE)/log/log-linux.ssa: $(testlib_log_linux_srcs) $(testlib_rt) $(testli
 testlib_log_freebsd_srcs = \
 	$(STDLIB)/log/logger.ha \
 	$(STDLIB)/log/global.ha \
-	$(STDLIB)/log/funcs.ha
+	$(STDLIB)/log/funcs.ha \
+	$(STDLIB)/log/silent.ha
 
 $(TESTCACHE)/log/log-freebsd.ssa: $(testlib_log_freebsd_srcs) $(testlib_rt) $(testlib_datetime_$(PLATFORM)) $(testlib_fmt_$(PLATFORM)) $(testlib_io_$(PLATFORM)) $(testlib_os_$(PLATFORM))
 	@printf 'HAREC \t$@\n'