kirigaya/digital-vcd-parser
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rework sigsg

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Ben 2020-09-27 02:15:35 -07:00
parent 70d64632a3
commit 351f988fb7
2 changed files with 35 additions and 15 deletions
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14
lib/wrapper.js
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@ -19,7 +19,7 @@ module.exports = () => {
const bindCWrap = () => { const bindCWrap = () => {
const w = wasm.cwrap; const w = wasm.cwrap;
c.execute = w('execute', 'void', ['number', 'number', 'number', 'number']); c.execute = w('execute', 'void', ['number', 'number', 'number', 'number', 'number', 'string']);
}; };
const start = async() => { const start = async() => {
@ -40,20 +40,24 @@ module.exports = () => {
} }
let boundSet; let boundSet;
let boundGet;
// wasm.addFunction can't be called until after // wasm.addFunction can't be called until after
// start finishes // start finishes
bindCallback = () => { bindCallback = () => {
boundSet = wasm.addFunction(function(name, len, value) { boundSet = wasm.addFunction(function(name, len, value) {
let prop = getString(name, len); let prop = getString(name, len);
console.log(`setting ${prop} to ${value}`); console.log(`setting ${prop} to ${value}`);
// viii means returns void, accepts int int int
// vsi means returns void accepts a string and int
}, 'viii'); }, 'viii');
boundGet = wasm.addFunction(function(name, len) {
let prop = getString(name, len);
return 42;
}, 'iii');
}; };
return { return {
@ -63,7 +67,7 @@ module.exports = () => {
console.log(wasm); console.log(wasm);
}, },
execute: () => { execute: () => {
c.execute(0,0,boundSet,0); c.execute(0,0,0,boundSet,boundGet,"hi");
}, },
onB: (time, cmd) => { onB: (time, cmd) => {

30
wasm_main.cpp
View File

@ -34,32 +34,48 @@ typedef void externalJsMethodOne(const int sz);
typedef void externalJsMethodTwo(const char*, const uint64_t time, const uint8_t command, const int dnc0, const int dnc1); typedef void externalJsMethodTwo(const char*, const uint64_t time, const uint8_t command, const int dnc0, const int dnc1);
typedef int externalJsGetProperty(const char* name); typedef int externalJsGetProperty(const char* name, const size_t len);
typedef void externalJsSetProperty(const char* name, const size_t len, const int value); typedef void externalJsSetProperty(const char* name, const size_t len, const int value);
/// function pointer for c->js /// function pointer for c->js
static externalJsMethodOne* externalOne = 0; static externalJsMethodOne* externalOne = 0;
static externalJsMethodTwo* externalTwo = 0; static externalJsMethodTwo* externalTwo = 0;
static externalJsSetProperty* set_property = 0; static externalJsSetProperty* bound_set_property = 0;
static externalJsGetProperty* get_property = 0; static externalJsGetProperty* bound_get_property = 0;
static void set_property(const char* name, const int value) {
bound_set_property(name, strlen(name), value);
}
static int get_property(const char* name) {
return bound_get_property(name, strlen(name));
}
extern "C" { extern "C" {
void execute( void execute(
const int context,
externalJsMethodOne* f1, externalJsMethodOne* f1,
externalJsMethodTwo* f2, externalJsMethodTwo* f2,
externalJsSetProperty* sfn, externalJsSetProperty* sfn,
externalJsGetProperty* gfn externalJsGetProperty* gfn,
char* chunk
) { ) {
// cout << "execute got " << p << "\n"; // cout << "execute got " << p << "\n";
cout << "execute " << (int)sfn << "\n"; cout << "execute " << (int)sfn << " and got " << chunk << "\n";
set_property = sfn; bound_set_property = sfn;
bound_get_property = gfn;
int got = get_property("bar");
cout << "got " << got << " for bar\n";
set_property("foo", strlen("foo"), 4);
} }