From 385bfd76356e17d211a7eaee77c238b6ba9eb368 Mon Sep 17 00:00:00 2001 From: david gauchard Date: Mon, 17 Aug 2020 18:23:44 +0200 Subject: [PATCH] deleted: arduino_new/arduino_new.ino --- .../examples/arduino_new/arduino_new.ino | 159 ------------------ 1 file changed, 159 deletions(-) delete mode 100644 libraries/esp8266/examples/arduino_new/arduino_new.ino diff --git a/libraries/esp8266/examples/arduino_new/arduino_new.ino b/libraries/esp8266/examples/arduino_new/arduino_new.ino deleted file mode 100644 index e31c56378..000000000 --- a/libraries/esp8266/examples/arduino_new/arduino_new.ino +++ /dev/null @@ -1,159 +0,0 @@ - -// show arduino_new benefits -// released to public domain -// result is below - -class SomeClass { - public: - SomeClass(const String& s1 = emptyString, const String& s2 = emptyString) { - Serial.printf("SomeClass@%p(%s)(%s)\n", this, s1.c_str(), s2.c_str()); - } - - ~SomeClass() { - Serial.printf("~ SomeClass @%p\n", this); - } -}; - -class oom { - private: - char large [65000]; - public: - oom() { - Serial.printf("this constructor should not be called\n"); - } -}; - -void setup() { - - Serial.begin(115200); - Serial.printf("\n\narduino_new benefits\n\n"); - delay(5000); // avoid too frequent bootloop - - // arduino_new / arduino_newarray api - - Serial.printf("\n----- arduino_new:\n"); - auto an = arduino_new(SomeClass); - delete an; - - Serial.printf("\n----- arduino_new with oom:\n"); - auto anoom = arduino_new(oom); - Serial.printf("nullptr: %p\n", anoom); - delete anoom; - - Serial.printf("\n----- arduino_new with constructor parameters:\n"); - auto ancp = arduino_new(SomeClass, "param1", "param2"); - delete ancp; - - Serial.printf("\n----- arduino_newarray[2]\n"); - auto ana2 = arduino_newarray(SomeClass, 2); - Serial.printf("@:%p s=%zd s(2)=%zd\n", ana2, sizeof(SomeClass), sizeof(SomeClass[2])); - Serial.printf("0: %p\n", &ana2[0]); - Serial.printf("1: %p\n", &ana2[1]); - delete [] ana2; - - Serial.printf("\n----- arduino_newarray[2] (with constructor parameters)\n"); - auto ana2cp = arduino_newarray(SomeClass, 2, "param1"); - Serial.printf("@:%p s=%zd s(2)=%zd\n", ana2cp, sizeof(SomeClass), sizeof(SomeClass[2])); - Serial.printf("0: %p\n", &ana2cp[0]); - Serial.printf("1: %p\n", &ana2cp[1]); - delete [] ana2cp; - - Serial.printf("\n----- arduino_newarray[100000]\n"); - auto anaX = arduino_newarray(SomeClass, 100000); - Serial.printf("@:%p\n", anaX); - - // standard c++ api for new and new[] - - Serial.printf("\n----- new\n"); - auto sn = new SomeClass; - delete sn; - - Serial.printf("\n----- new with oom: (abort() with option 'Exceptions: Disabled (new can abort)'\n"); - auto snoom = new oom; - Serial.printf("nullptr: %p\n", snoom); - delete snoom; - - Serial.printf("\n----- new[2]\n"); - auto sna2 = new SomeClass[2]; - Serial.printf("@:%p s=%zd s(2)=%zd\n", sna2, sizeof(SomeClass), sizeof(SomeClass[2])); - Serial.printf("0: %p\n", &sna2[0]); - Serial.printf("1: %p\n", &sna2[1]); - delete [] sna2; - - Serial.printf("\n----- new[10000] (badly fails with 'Exceptions: Legacy' or '...Disabled'\n"); - auto snaX = new SomeClass[100000]; - Serial.printf("@:%p\n", snaX); -} - -void loop() { -} - -////////////////////////////// -/* - - Result with: - Exceptions: Legacy(new can return nullptr) - - ////////////////////////////// - - arduino_new benefits - - ----- arduino_new: - SomeClass@0x3fff1864()() - ~ SomeClass @0x3fff1864 - - ----- arduino_new with oom: - nullptr: 0 - - ----- arduino_new with constructor parameters: - SomeClass@0x3fff1864(param1)(param2) - ~ SomeClass @0x3fff1864 - - ----- arduino_newarray[2] - SomeClass@0x3fff1868()() - SomeClass@0x3fff1869()() - @: 0x3fff1868 s = 1 s(2) = 2 - 0: 0x3fff1868 - 1: 0x3fff1869 - ~ SomeClass @0x3fff1869 - ~ SomeClass @0x3fff1868 - - ----- arduino_newarray[2](with constructor parameters) - SomeClass@0x3fff1868(param1)() - SomeClass@0x3fff1869(param1)() - @: 0x3fff1868 s = 1 s(2) = 2 - 0: 0x3fff1868 - 1: 0x3fff1869 - ~ SomeClass @0x3fff1869 - ~ SomeClass @0x3fff1868 - - ----- arduino_newarray[100000] - @: 0 - - ----- new - SomeClass@0x3fff1864()() - ~ SomeClass @0x3fff1864 - - ----- new with oom: (abort() with option 'Exceptions: Disabled (new can abort)' - this constructor should not be called - nullptr: 0 - - ----- new[2] - SomeClass@0x3fff1868()() - SomeClass@0x3fff1869()() - @:0x3fff1868 s = 1 s(2) = 2 - 0: 0x3fff1868 - 1: 0x3fff1869 - ~ SomeClass @0x3fff1869 - ~ SomeClass @0x3fff1868 - - ----- new[10000](badly fails with 'Exceptions: Legacy' or '...Disabled' - - Exception(29): - epc1 = 0x402013de epc2 = 0x00000000 epc3 = 0x00000000 excvaddr = 0x00000000 depc = 0x00000000 - - >>> stack >>> - ... - -*/ -/////////////////////////////