cgo: add C._Bool type #3928
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cgo: add C._Bool type #3928
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This fixes #3926. While working on this I've found another bug: if C.bool is referenced from within Go, it isn't available anymore on the C side. This is an existing bug that also applies to float and double, but may be less likely to be triggered there. This bug is something to be fixed at a later time (it has something to do with preprocessor defines).
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Size difference with the dev branch: Binary size differencenot the same command!
go: downloading golang.org/x/text v0.7.0
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/wifinina/ntpclient/main.go
not the same command!
go: downloading golang.org/x/text v0.7.0
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/wifinina/udpstation/main.go
not the same command!
go: downloading github.com/eclipse/paho.mqtt.golang v1.2.0
tinygo build -size short -o ./build/test.hex -target=wioterminal ./examples/rtl8720dn/mqttsub/
before after diff
60688 60688 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/adt7410/main.go
9700 9700 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/adxl345/main.go
13260 13260 0 0.00% tinygo build -size short -o ./build/test.hex -target=pybadge ./examples/amg88xx
8776 8776 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/apa102/main.go
11716 11716 0 0.00% tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/apds9960/proximity/main.go
10392 10392 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/apa102/itsybitsy-m0/main.go
8196 8196 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/at24cx/main.go
8308 8308 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bh1750/main.go
7608 7608 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/blinkm/main.go
69540 69540 0 0.00% tinygo build -size short -o ./build/test.hex -target=pinetime ./examples/bma42x/main.go
63260 63260 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bmi160/main.go
27860 27860 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bmp180/main.go
63288 63288 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bmp280/main.go
12420 12420 0 0.00% tinygo build -size short -o ./build/test.hex -target=trinket-m0 ./examples/bmp388/main.go
8116 8116 0 0.00% tinygo build -size short -o ./build/test.hex -target=bluepill ./examples/ds1307/sram/main.go
22008 22008 0 0.00% tinygo build -size short -o ./build/test.hex -target=bluepill ./examples/ds1307/time/main.go
68964 68964 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/ds3231/main.go
4708 4708 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/easystepper/main.go
24876 24876 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/espat/espconsole/main.go
25104 25104 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/espat/esphub/main.go
24860 24860 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/espat/espstation/main.go
68684 68684 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/flash/console/spi
64636 64636 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/flash/console/qspi
7052 7052 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/gc9a01/main.go
67956 67956 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/gps/i2c/main.go
68424 68424 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/gps/uart/main.go
8424 8424 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/hcsr04/main.go
5712 5712 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/hd44780/customchar/main.go
5756 5756 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/hd44780/text/main.go
10616 10616 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/hd44780i2c/main.go
14624 14624 0 0.00% tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/hts221/main.go
16904 16904 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/hub75/main.go
10048 10048 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/basic
10884 10884 0 0.00% tinygo build -size short -o ./build/test.hex -target=xiao ./examples/ili9341/basic
29044 29044 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/pyportal_boing
10076 10076 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/scroll
10960 10960 0 0.00% tinygo build -size short -o ./build/test.hex -target=xiao ./examples/ili9341/scroll
263524 263524 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/slideshow
12092 12092 0 0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/lis3dh/main.go
14012 14012 0 0.00% tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/lps22hb/main.go
26132 26132 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/lsm303agr/main.go
12572 12572 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/lsm6ds3/main.go
10952 10952 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mag3110/main.go
10180 10180 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp23017/main.go
10608 10608 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp23017-multiple/main.go
9868 9868 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp3008/main.go
66772 66772 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp2515/main.go
22952 22952 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/microbitmatrix/main.go
22944 22944 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit-v2 ./examples/microbitmatrix/main.go
8532 8532 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mma8653/main.go
8316 8316 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mpu6050/main.go
74988 74988 0 0.00% tinygo build -size short -o ./build/test.hex -target=p1am-100 ./examples/p1am/main.go
12144 12144 0 0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/pca9685/main.go
6084 6084 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/pcd8544/setbuffer/main.go
5104 5104 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/pcd8544/setpixel/main.go
2681 2681 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino ./examples/servo
7944 7944 0 0.00% tinygo build -size short -o ./build/test.hex -target=pybadge ./examples/shifter/main.go
56368 56368 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/sht3x/main.go
56424 56424 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/sht4x/main.go
56340 56340 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/shtc3/main.go
6464 6464 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ssd1306/i2c_128x32/main.go
5940 5940 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ssd1306/spi_128x64/main.go
5704 5704 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ssd1331/main.go
6392 6392 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/st7735/main.go
6292 6292 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/st7789/main.go
17212 17212 0 0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/thermistor/main.go
10328 10328 0 0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-bluefruit ./examples/tone
10728 10728 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/tm1637/main.go
9404 9404 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/touch/resistive/fourwire/main.go
12460 12460 0 0.00% tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/touch/resistive/pyportal_touchpaint/main.go
15772 15772 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/vl53l1x/main.go
13812 13812 0 0.00% tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/vl6180x/main.go
6460 6460 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/waveshare-epd/epd2in13/main.go
6012 6012 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/waveshare-epd/epd2in13x/main.go
6288 6288 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/waveshare-epd/epd4in2/main.go
137184 137184 0 0.00% go: downloading golang.org/x/text v0.7.0
137176 137176 0 0.00% go: downloading golang.org/x/text v0.7.0
137500 137500 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/wifinina/tcpclient/main.go
137600 137600 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/wifinina/webclient/main.go
6976 6976 0 0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/ws2812
5326 5326 0 0.00% tinygo build -size short -o ./build/test.bin -target=m5stamp-c3 ./examples/ws2812
61648 61648 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-nrf52840 ./examples/is31fl3731/main.go
1565 1565 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino ./examples/ws2812
880 880 0 0.00% tinygo build -size short -o ./build/test.hex -target=digispark ./examples/ws2812
32296 32296 0 0.00% tinygo build -size short -o ./build/test.hex -target=trinket-m0 ./examples/bme280/main.go
16660 16660 0 0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/microphone/main.go
11336 11336 0 0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/buzzer/main.go
13044 13044 0 0.00% tinygo build -size short -o ./build/test.hex -target=trinket-m0 ./examples/veml6070/main.go
6868 6868 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/l293x/simple/main.go
8788 8788 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/l293x/speed/main.go
6832 6832 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/l9110x/simple/main.go
9448 9448 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/l9110x/speed/main.go
7344 7344 0 0.00% tinygo build -size short -o ./build/test.hex -target=nucleo-f103rb ./examples/shiftregister/main.go
7084 7084 0 0.00% tinygo build -size short -o ./build/test.hex -target=hifive1b ./examples/ssd1351/main.go
13224 13224 0 0.00% tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/lis2mdl/main.go
8472 8472 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/max72xx/main.go
77416 77416 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/dht/main.go
36620 36620 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-rp2040 ./examples/pcf8523/
70928 70928 0 0.00% tinygo build -size short -o ./build/test.hex -target=xiao ./examples/pcf8563/alarm/
7452 7452 0 0.00% tinygo build -size short -o ./build/test.hex -target=xiao ./examples/pcf8563/clkout/
70440 70440 0 0.00% tinygo build -size short -o ./build/test.hex -target=xiao ./examples/pcf8563/time/
70800 70800 0 0.00% tinygo build -size short -o ./build/test.hex -target=xiao ./examples/pcf8563/timer/
12084 12084 0 0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/qmi8658c/main.go
8980 8980 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/ina260/main.go
9280 9280 0 0.00% tinygo build -size short -o ./build/test.hex -target=nucleo-l432kc ./examples/aht20/main.go
72008 72008 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-m4 ./examples/sdcard/console/
82532 82532 0 0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal ./examples/rtl8720dn/webclient/
71924 71924 0 0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal ./examples/rtl8720dn/webserver/
98452 98452 0 0.00% go: downloading github.com/eclipse/paho.mqtt.golang v1.2.0
60532 60532 0 0.00% tinygo build -size short -o ./build/test.hex -target=feather-m4 ./examples/i2csoft/adt7410/
10164 10164 0 0.00% tinygo build -size short -o ./build/test.elf -target=wioterminal ./examples/axp192/m5stack-core2-blinky/
8924 8924 0 0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/xpt2046/main.go
14560 14560 0 0.00% tinygo build -size short -o ./build/test.hex -target=nucleo-wl55jc ./examples/sx126x/lora_rxtx/
25876 25876 0 0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/ssd1289/main.go
11204 11204 0 0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/irremote/main.go
11220 11220 0 0.00% tinygo build -size short -o ./build/test.hex -target=badger2040 ./examples/uc8151/main.go
10308 10308 0 0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/scd4x/main.go
8744 8744 0 0.00% tinygo build -size short -o ./build/test.uf2 -target=circuitplay-express ./examples/makeybutton/main.go
9608 9608 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/ds18b20/main.go
81220 81220 0 0.00% tinygo build -size short -o ./build/test.hex -target=nucleo-wl55jc ./examples/lora/lorawan/atcmd/
15740 15740 0 0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/as560x/main.go
9800 9800 0 0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/mpu6886/main.go
7892 7892 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/ttp229/main.go
65856 65856 0 0.00% tinygo build -size short -o ./build/test.hex -target=pico ./examples/ndir/main_ndir.go
61168 61168 0 0.00% tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ndir/main_ndir.go
64480 64480 0 0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/ndir/main_ndir.go
9232 9232 0 0.00% tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/mpu9150/main.go
3822944 3822944 0 0.00% sum
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dgryski
approved these changes
Sep 23, 2023
deadprogram
approved these changes
Sep 24, 2023
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Any plan to release this fix? |
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@Patrick0308 it will be part of the next release. We don't yet have a plan for when that will be. |
1 similar comment
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@Patrick0308 it will be part of the next release. We don't yet have a plan for when that will be. |
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This fixes #3926.
While working on this I've found another bug: if C.bool is referenced from within Go, it isn't available anymore on the C side. This is an existing bug that also applies to float and double, but may be less likely to be triggered there.
This bug is something to be fixed at a later time (it has something to do with preprocessor defines).