Example

functionmymodule(stdlib,foreign,heap){"use asm";// -------------------------------------------------------------------------// SECTION 1: globalsvarH32=newstdlib.Int32Array(heap);varHU32=newstdlib.Uint32Array(heap);varlog=foreign.consoleDotLog;varg_i=0;// int globalvarg_f=0.0;// double global// -------------------------------------------------------------------------// SECTION 2: functionsfunctionf(x,y){// SECTION A: parameter type declarationsx=x|0;// int parametery=+y;// double parameter// SECTION B: function bodylog(x|0);// call into FFI -- must force the signlog(y);// call into FFI -- already know it's a doublex=(x+3)|0;// signed addition// SECTION C: unconditional returnreturn((((x+1)|0)>>>0)/(x>>>0))|0;// compound expression}functiong(){g_f=+(g_i|0);// read/write globalsreturn;}functiong2(){return;}functionh(i,x){i=i|0;x=x|0;H32[i>>2]=x;// shifted by log2(byte count)ftable_2[(x-2)&1]();// dynamic call of functions in table 2// no return necessary when return type is void}// -------------------------------------------------------------------------// SECTION 3: function tablesvarftable_1=[f];varftable_2=[g,g2];// all of the same type// -------------------------------------------------------------------------// SECTION 4: exportsreturn{f_export:f,goop:g};}

License