diff options
| -rw-r--r-- | src/javascript/jsc/headergen/sizegen.cpp | 70 |
1 files changed, 39 insertions, 31 deletions
diff --git a/src/javascript/jsc/headergen/sizegen.cpp b/src/javascript/jsc/headergen/sizegen.cpp index ed43810e2..dd6713401 100644 --- a/src/javascript/jsc/headergen/sizegen.cpp +++ b/src/javascript/jsc/headergen/sizegen.cpp @@ -1,41 +1,49 @@ -#include <iostream> +#include <ctime> #include <fstream> -#include <ctime> +#include <iostream> using namespace std; #include "headers-cpp.h" int main() { - time_t rawtime; - struct tm * timeinfo; - char buf [80]; + time_t rawtime; + struct tm *timeinfo; + char buf[80]; + + time(&rawtime); + timeinfo = localtime(&rawtime); - time (&rawtime); - timeinfo = localtime (&rawtime); + strftime(buf, 80, "%Y-%m-%d %H:%M:%s", timeinfo); - strftime (buf,80,"%Y-%m-%d %H:%M:%s",timeinfo); + cout << "// Auto-generated by src/javascript/jsc/headergen/sizegen.cpp at " + << buf << ".\n"; + cout << "// These are the byte sizes for the different object types with " + "bindings in JavaScriptCore.\n"; + cout << "// This allows us to safely return stack allocated C++ types to " + "Zig.\n"; + cout << "// It is only safe to do this when these sizes are correct.\n"; + cout << "// That means:\n"; + cout << "// 1. We can't dynamically link JavaScriptCore\n"; + cout << "// 2. It's important that this is run whenever JavaScriptCore is " + "updated or the bindings on the Zig side change.\n"; + cout << "// Failure to do so will lead to undefined behavior and probably " + "some frustrated people.\n"; + cout << "// --- Regenerate this: --- \n"; + cout << "// 1. \"make jsc-bindings-headers\"\n"; + cout << "// 2. \"make sizegen\"\n"; + cout << "// 3. \"make jsc-bindings-headers\"\n"; + cout << "// ------------------------\n"; + cout << "// You can verify the numbers written in this file at runtime via " + "the `extern`d types\n"; + cout << "// Run \"jsc-bindings-headers\" twice because it uses these values " + "in the output. That's how all the bJSC__.* types are created - from " + "these values. \n"; + int i = 0; + int len = sizeof(sizes) / sizeof(sizes[0]); + for (i = 0; i < len; i++) { + cout << "pub const " << names[i] << " = " << sizes[i] << ";\n"; + cout << "pub const " << names[i] << "_align = " << aligns[i] << ";\n"; + } - cout << "// Auto-generated by src/javascript/jsc/headergen/sizegen.cpp at " << buf << ".\n"; - cout << "// These are the byte sizes for the different object types with bindings in JavaScriptCore.\n"; - cout << "// This allows us to safely return stack allocated C++ types to Zig.\n"; - cout << "// It is only safe to do this when these sizes are correct.\n"; - cout << "// That means:\n"; - cout << "// 1. We can't dynamically link JavaScriptCore\n"; - cout << "// 2. It's important that this is run whenever JavaScriptCore is updated or the bindings on the Zig side change.\n"; - cout << "// Failure to do so will lead to undefined behavior and probably some frustrated people.\n"; - cout << "// --- Regenerate this: --- \n"; - cout << "// 1. \"make jsc-bindings-headers\"\n"; - cout << "// 2. \"makpe sizegen\"\n"; - cout << "// 3. \"make jsc-bindings-headers\"\n"; - cout << "// ------------------------\n"; - cout << "// You can verify the numbers written in this file at runtime via the `extern`d types\n"; - cout << "// Run \"jsc-bindings-headers\" twice because it uses these values in the output. That's how all the bJSC__.* types are created - from these values. \n"; - int i = 0; - int len = sizeof(sizes)/sizeof(sizes[0]); - for (i = 0; i < len ; i++) { - cout << "pub const " << names[i] << " = " << sizes[i] << ";\n"; - cout << "pub const " << names[i] << "_align = " << aligns[i] << ";\n"; - } - - return 0; + return 0; }
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