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added nodemain; jsasm cache

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This commit is contained in:
Steven Hugg 2018-03-02 20:41:56 -06:00
parent 7fd94e4a98
commit 020aa0d378
2 changed files with 90 additions and 14 deletions
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71
src/worker/nodemain.js Normal file
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@ -0,0 +1,71 @@
var assert = require('assert');
var fs = require('fs');
var vm = require('vm');
var worker = {};
global.includeInThisContext = function(path) {
var code = fs.readFileSync(path);
vm.runInThisContext(code, path);
};
global.importScripts = function(path) {
includeInThisContext('./'+path);
}
function Blob(blob) {
this.size = blob.length;
this.length = blob.length;
this.slice = function(a,b) {
var data = blob.slice(a,b);
var b = new Blob(data);
return b;
}
this.asArrayBuffer = function() {
var buf = new ArrayBuffer(blob.length);
var arr = new Uint8Array(buf);
for (var i=0; i<blob.length; i++)
arr[i] = blob[i].charCodeAt(0);
return arr;
}
}
global.XMLHttpRequest = function() {
this.open = function(a,b,c) {
if (this.responseType == 'json') {
var txt = fs.readFileSync(',/'+b);
this.response = JSON.parse(txt);
} else if (this.responseType == 'blob') {
var data = fs.readFileSync('./'+b, {encoding:'binary'});
this.response = new Blob(data);
} else if (this.responseType == 'arraybuffer') {
var data = fs.readFileSync('./'+b, {encoding:'binary'});
this.response = new Blob(data).asArrayBuffer();
} else {
throw new Error("responseType " + this.responseType + " not handled");
}
}
this.send = function() { }
}
global.FileReaderSync = function() {
this.readAsArrayBuffer = function(blob) {
return blob.asArrayBuffer();
}
}
global.onmessage = null;
global.postMessage = null;
includeInThisContext("./workermain.js");
global.ab2str = function(buf) {
return String.fromCharCode.apply(null, new Uint16Array(buf));
}
if (require.main == module) {
var data = fs.readFileSync(process.argv[2]);
var result = handleMessage(JSON.parse(data));
console.log(result);
}

33
src/worker/workermain.js
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@ -145,7 +145,7 @@ function loadWASM(modulename, debug) {
console.log("Loaded " + modulename + ".wasm");
loaded[modulename] = 1;
} else {
throw Error("Could not load WASM file");
throw Error("Could not load WASM file " + modulename + ".wasm");
}
}
}
@ -1118,6 +1118,10 @@ function compileCASPR(code, platform, options) {
}
}
var jsasm_module_top;
var jsasm_module_output;
var jsasm_module_key;
function compileJSASM(asmcode, platform, options, is_inline) {
load("assembler");
var asm = new Assembler();
@ -1137,27 +1141,28 @@ function compileJSASM(asmcode, platform, options, is_inline) {
filename = filename.substr(1, filename.length-2);
includes.push(filename);
};
var module_top;
var module_output;
asm.loadModule = function(top_module) {
// TODO: cache module
// compile last file in list
module_top = top_module;
var main_filename = includes[includes.length-1];
var code = '`include "' + main_filename + '"\n';
code += "/* module " + top_module + " */\n";
var voutput = compileVerilator(code, platform, options);
if (voutput.errors.length)
return voutput.errors[0].msg;
module_output = voutput;
var key = top_module + '/' + includes;
if (key != jsasm_module_key) {
jsasm_module_top = top_module;
var main_filename = includes[includes.length-1];
var code = '`include "' + main_filename + '"\n';
code += "/* module " + top_module + " */\n";
var voutput = compileVerilator(code, platform, options);
if (voutput.errors.length)
return voutput.errors[0].msg;
jsasm_module_output = voutput;
}
}
var result = asm.assembleFile(asmcode);
if (module_output) {
if (jsasm_module_output) {
var asmout = result.output;
result.output = module_output.output;
result.output = jsasm_module_output.output;
result.output.program_rom = asmout;
// cpu_platform__DOT__program_rom
result.output.program_rom_variable = module_top + "__DOT__program_rom";
result.output.program_rom_variable = jsasm_module_top + "__DOT__program_rom";
}
return result;
}