From 5d2c7a86ba47ef0a0cb27508d81669c4a923a857 Mon Sep 17 00:00:00 2001 From: Alon Zakai Date: Mon, 2 May 2016 16:00:55 -0700 Subject: C API plus test --- test/example/c-api-hello-world.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 test/example/c-api-hello-world.c (limited to 'test/example/c-api-hello-world.c') diff --git a/test/example/c-api-hello-world.c b/test/example/c-api-hello-world.c new file mode 100644 index 000000000..016c2404b --- /dev/null +++ b/test/example/c-api-hello-world.c @@ -0,0 +1,29 @@ + +#include + +// "hello world" type example: create a function that adds two i32s and returns the result + +int main() { + BinaryenModuleRef module = BinaryenModuleCreate(); + + // Creation a function type for i32 (i32, i32) + BinaryenType params[2] = { BinaryenInt32(), BinaryenInt32() }; + BinaryenFunctionTypeRef iii = BinaryenAddFunctionType(module, "iii", BinaryenInt32(), params, 2); + + // Get the 0 and 1 arguments, and add them + BinaryenExpressionRef x = BinaryenGetLocal(module, 0, BinaryenInt32()), + y = BinaryenGetLocal(module, 1, BinaryenInt32()); + BinaryenExpressionRef add = BinaryenBinary(module, BinaryenAdd(), x, y); + + // Create the add function + // Note: no additional local variables + // Note: no basic blocks here, we are an AST. The function body is just an expression node. + BinaryenFunctionRef adder = BinaryenAddFunction(module, "adder", iii, NULL, 0, add); + + // Print it out + BinaryenModulePrint(module); + + // Clean up the module, which owns all the objects we created above + BinaryenModuleDispose(module); +} + -- cgit v1.2.3