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asmproc.js
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asmproc.js
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#!/usr/bin/env node
"use strict";
// TODO fix bug no build long basic line with {}
// TODO split table word
// TODO define function ?
// TODO ifdef ... then include
// TODO dim as byte/word/bytes[]/words absolute
// TODO sintax for eliminating #0 ?
// TODO simulate AST parsing
// TODO lo/hi tables
// TODO locate and use Basic V2 variables
// TODO ELSE IF
// TODO --version
// TODO macro in if single
// TODO dim/zeropage
// TODO bye/word in #const
// TODO slowly convert to nearley
// TODO peephole optimizer
// TODO on goto
// TODO switch case
// TODO parse line with nearley
// TODO zero page pool ?
// TODO uses/preserve/lock?
// TODO input in sub
// TODO conditional include
// TODO test suite with 6502.js and Z80.js
// TODO float compiler with nearley
// TODO DIV, HIBYTE, LOBYTE functions
// TODO ' hypen comments?
// TODO "/*" comments when in quoted text
// TODO JMP simulate BRA branch always
// TODO self modifying code
// TODO WHILE, LOOP, UNTIL check no condition or loop forever
// TODO SUB nomesub = Identifier
// TODO SUB then rts or then exit sub ?
// TODO SUB implement RETURN
// TODO IF THEN GOTO move into IF SINGLE
// TODO bitmap, output as comment
// TODO float, output as comment
// TODO change float into cbmfloat, output as comment
// TODO basic compact by default // preserve
// TODO first char space in DASM?
// TODO #define ?
// TODO Z80 if then ret / return
// TODO Z80 FOR
// TODO Z80 Macro
// TODO Z80 Condition
// TODO macro fix literal value call
// TODO bitmap for c64 sprites
// TODO cc65
// TODO if then macro on single line
// TODO basic tokenizer: {cm } as {cbm}
// TODO basic tokenizer: ? as print
// TODO basic tokenizer: c64 colors
// TODO basic tokenizer: alternate names (wht -> white)
// TODO basic tokenizer: {rev shift} ?
// TODO basic tokenizer: {cbm } shortcuts
// TODO document preferences: DO LOOP vs WHILE/FOR, IF on single line etc.
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
/*
TO DO
=====
- loop forever
- dim
- float
- float expr compiler
- line numbers
- else if
- then statement con endif automatico
- (...) in sub
- inline sub / call sub
- inline sub / call
- controllare operatori signed <,>,
*/
/*
DASM
include
IF ELSE ENDIF IFDEF IFNDEF
byte
word
equ (define)
parens: []
ca65
.include
.if .else .endif .ifdef .ifndef
.byte
.word
.define
parens: ()
Z80ASM
include
IF ELSE ENDIF IFDEF IFNDEF
defb
defw
define
defl, defm, defs size, fill
parens: ?
6502 Z80
===========================
C C carry
V V overflow
N S negative / sign
Z Z zero
*/
var fs_1 = __importDefault(require("fs"));
var path_1 = __importDefault(require("path"));
var command_line_args_1 = __importDefault(require("command-line-args"));
function parseOptions(optionDefinitions) {
try {
return command_line_args_1.default(optionDefinitions);
}
catch (ex) {
console.log(ex.message);
process.exit(-1);
}
}
var TStack = /** @class */ (function () {
function TStack() {
this.Strings = [];
}
Object.defineProperty(TStack.prototype, "Count", {
get: function () {
return this.Strings.length;
},
enumerable: true,
configurable: true
});
TStack.prototype.Add = function (s) {
this.Strings.push(s);
};
TStack.prototype.Pop = function () {
if (this.Strings.length === 0)
throw "stack empty";
return this.Strings.pop();
};
TStack.prototype.Last = function () {
return this.Strings[this.Strings.length - 1];
};
Object.defineProperty(TStack.prototype, "IsEmpty", {
get: function () {
return this.Strings.length === 0;
},
enumerable: true,
configurable: true
});
return TStack;
}());
var TStringList = /** @class */ (function (_super) {
__extends(TStringList, _super);
function TStringList() {
return _super !== null && _super.apply(this, arguments) || this;
}
TStringList.prototype.SaveToFile = function (fname) {
var content = this.Text();
fs_1.default.writeFileSync(fname, content);
};
TStringList.prototype.LoadFromFile = function (fname) {
var text = fs_1.default.readFileSync(fname).toString();
this.SetText(text);
};
TStringList.prototype.Text = function () {
return this.Strings.join("\n");
};
TStringList.prototype.SetText = function (text) {
this.Strings = text.split("\n");
};
return TStringList;
}(TStack));
exports.TStringList = TStringList;
function ChangeFileExt(name, ext) {
// taken from https://stackoverflow.com/questions/5953239/how-do-i-change-file-extension-with-javascript
return name.replace(/\.[^\.]+$/, ext);
}
function FileExists(name) {
return fs_1.default.existsSync(name);
}
function RemoveQuote(S) {
return S.substr(1, S.length - 2);
}
function RemoveHash(S) {
if (S.startsWith("#"))
return S.substr(1);
else
return S;
}
String.prototype.AnsiPos = function (text) {
var pos = this.indexOf(text);
return pos + 1; // Borland strings are 1-based
};
String.prototype.SubString = function (start, count) {
// Borland strings are 1-based
return this.substr(start - 1, count);
};
String.prototype.Length = function () {
return this.length;
};
String.prototype.ToInt = function () {
return Number(this);
};
String.prototype.CharAt = function (index) {
// Borland strings are 1-based
return this.charAt(index - 1);
};
String.prototype.CharCodeAt = function (index) {
// Borland strings are 1-based
return this.charCodeAt(index - 1);
};
String.prototype.SetCharAt = function (index, chr) {
// Borland strings are 1-based
if (index - 1 > this.length - 1)
return this;
return this.substr(0, index - 1) + chr + this.substr(index - 1 + 1);
};
var L = new TStringList();
var StackIf;
var StackRepeat;
var StackDo;
var StackWhile;
var StackFor;
var StackSub;
var StackIf_U = new TStringList();
var StackFor_U = new TStringList();
var AllMacros = [];
var Ferr;
var Dims_at_end = [];
var Dims_at_start = [];
function emitConstDim(t) {
L.SetText(L.Text().replace(/§/g, "\n"));
}
var cross_1 = require("./cross");
var utils_1 = require("./utils");
var basic_1 = require("./basic");
var defines;
function error(msg, cline) {
if (cline !== undefined) {
error(msg + " in line " + cline + " of " + Ferr);
return;
}
msg = "? " + msg;
console.log("" + msg);
if (Ferr != "")
L.SaveToFile(Ferr);
process.exit(-1);
}
exports.error = error;
function main() {
var options = parseOptions([
{ name: 'input', alias: 'i', type: String },
{ name: 'output', alias: 'o', type: String },
{ name: 'target', alias: 't', type: String, defaultValue: 'dasm' },
{ name: 'define', alias: 'd', type: String }
]);
if (options === undefined || options.input === undefined || options.output === undefined) {
console.log("Usage: asmproc -i <inputfile> -o <outputfile>");
process.exit(-1);
return;
}
// set target
cross_1.target.dasm = options.target === "dasm";
cross_1.target.ca65 = options.target === "ca65";
cross_1.target.z80asm = options.target === "z80asm";
cross_1.target.cpu6502 = cross_1.target.dasm || cross_1.target.ca65;
cross_1.target.cpuz80 = cross_1.target.z80asm;
defines = options.define === undefined ? [] : options.define.split(",");
L = new TStringList();
var FName = options.input;
var FOut = options.output;
Ferr = ChangeFileExt(FOut, ".err");
if (FName == FOut) {
error("file names must be different");
}
if (!FileExists(FName)) {
error("can't find file");
}
StackIf = new TStack();
StackRepeat = new TStack();
StackDo = new TStack();
StackWhile = new TStack();
StackFor = new TStack();
StackSub = new TStack();
StackIf_U = new TStringList();
StackFor_U = new TStringList();
L.LoadFromFile(FName);
ProcessFile();
L.SaveToFile(FOut);
console.log("asmproc OK, created: \"" + FOut + "\"");
process.exit(0);
}
/*
function GlobalConstants() {
let Linea = L.Strings[0];
if(dasm) {
Linea = "DASM EQU 1§"+Linea;
}
else if(ca65) {
Linea = "DEFINE CA65 1§"+Linea;
}
}
*/
function RemoveComments() {
// remove C comments
var Whole = L.Text();
var x, y;
for (;;) {
x = Whole.AnsiPos("/*");
if (x == 0)
break;
y = Whole.AnsiPos("*/");
if (y < x) {
error("unmatched /* */ comment");
}
for (var t = x; t <= y + 1; t++) {
var c = Whole.CharCodeAt(t);
if (c != 13 && c != 10)
Whole = Whole.SetCharAt(t, ' ');
}
}
L.SetText(Whole);
// remove // comments
for (var t = 0; t < L.Count; t++) {
var R = new RegExp(/(.*)\/\/(?=(?:[^"]*"[^"]*")*[^"]*$)(.*)/gmi);
var Linea = L.Strings[t];
var match = R.exec(Linea);
if (match !== null) {
var all = match[0], purged = match[1], comment = match[2];
L.Strings[t] = purged;
}
}
// remove ; comments
var inbasic = false;
for (var t = 0; t < L.Count; t++) {
// repeat on the same line for multiple ;
while (true) {
//const R = new RegExp(/(.*);(?=(?:[^"]*"[^"]*")*[^"]*$)(.*)/gmi);
var R = new RegExp(/(.*);(?=(?:[^"']*["'][^"']*["'])*[^"']*$)(.*)/gmi);
var Linea = L.Strings[t];
var match = R.exec(Linea);
if (match !== null) {
var all = match[0], purged = match[1], comment = match[2];
// special case of ; comment in BASIC START / BASIC END
if (basic_1.IsBasicStart(purged)) {
inbasic = true;
L.Strings[t] = purged;
}
else if (basic_1.IsBasicEnd(purged)) {
inbasic = false;
L.Strings[t] = purged;
}
if (!inbasic)
L.Strings[t] = purged;
else
break;
}
else {
if (basic_1.IsBasicStart(Linea))
inbasic = true;
if (basic_1.IsBasicEnd(Linea))
inbasic = false;
break;
}
}
}
}
function ModOperator() {
// transform MOD
for (var t = 0; t < L.Count; t++) {
while (true) {
var R = new RegExp(/(.*)\sMOD\s(?=(?:[^"]*"[^"]*")*[^"]*$)(.*)/gmi);
var Linea = L.Strings[t];
var match = R.exec(Linea);
if (match !== null) {
var all = match[0], left = match[1], right = match[2];
L.Strings[t] = cross_1.MOD(left, right);
}
else
break;
}
}
}
function ResolveInclude() {
for (var t = 0; t < L.Count; t++) {
var Linea = L.Strings[t];
var ReplaceTo = ResolveIncludeInner(Linea);
if (ReplaceTo !== undefined) {
L.Strings[t] = ReplaceTo;
return true;
}
}
return false;
}
function ResolveIncludeInner(Linea) {
var R = new RegExp(/\s*include(\s+binary)?\s+([\"<])(.*)([\">])\s*/ig);
var match = R.exec(Linea);
if (match === null)
return undefined;
var all = match[0], binary = match[1], openquota = match[2], nf = match[3], closequota = match[4];
if (openquota === '<' && closequota !== '>')
return undefined;
var nomefile = openquota === '"' ? nf : path_1.default.join(__dirname, "include", nf);
if (!FileExists(nomefile)) {
error("include file \"" + nomefile + "\" not found");
}
var file = fs_1.default.readFileSync(nomefile);
var content;
if (binary !== undefined) {
content = Array.from(file).map(function (e, i) {
var initial = i % 16 === 0 ? "§ byte " : "";
var comma = i % 16 !== 15 ? "," : "";
return initial + " " + e + comma;
}).join("");
}
else {
content = file.toString();
}
return content;
}
/*
function ResolveInclude(): boolean
{
for(let t=0; t<L.Count; t++)
{
let Linea = UpperCase(Trim(L.Strings[t]))+" ";
let Include = GetParm(Linea, " ", 0);
if(Include=="INCLUDE")
{
let NomeFile = GetParm(Linea, " ", 1);
if(NomeFile.length < 2)
{
error(`invalid file name "${NomeFile}" in include`, t);
}
NomeFile = RemoveQuote(NomeFile);
if(!FileExists(NomeFile))
{
error(`include file "${NomeFile}" not found`, t);
}
let IF = new TStringList();
IF.LoadFromFile(NomeFile);
L.Strings[t] = IF.Text();
return true;
}
}
return false;
}
*/
function IsIdentifier(s) {
var R = new RegExp(/^\s*[_a-zA-Z]+[_a-zA-Z0-9]*$/gmi);
var match = R.exec(s);
if (match === null)
return false;
return true;
}
function RemoveColon() {
// remove : colon
for (var t = 0; t < L.Count; t++) {
while (true) {
var Linea = L.Strings[t];
//const R = new RegExp(/(.*):(?=(?:[^"]*"[^"]*")*[^"]*$)(.*)/gmi);
var R = new RegExp(/(.*):(?=(?:[^"']*["'][^"']*["'])*[^"']*$)(.*)/gmi);
var match = R.exec(Linea);
if (match !== null) {
var all = match[0], leftpart = match[1], rightpart = match[2];
if (IsIdentifier(leftpart))
break;
L.Strings[t] = leftpart + "\u00A7 " + rightpart;
}
else
break;
}
}
}
function MakeAllUpperCase() {
var Whole = L.Text();
L.SetText(utils_1.UpperCase(Whole));
}
// dim x as byte
// dim x as integer
// dim x as byte at $3000
// dim x as byte in zero page
// dim x as byte init 5
function IsDim(Linea, nl) {
// senza (size)
// const R = new RegExp(/\s*dim\s+([_a-zA-Z]+[_a-zA-Z0-9]*)\s+as\s+(byte|word|integer|char)((\s+at\s+(.*))|(\s+in\s+zero\s+page)|(\s+init)\s+(.*))?\s*/i);
var R = new RegExp(/\s*dim\s+([_a-zA-Z]+[_a-zA-Z0-9]*)(\s*\((.*)\))?\s+as\s+(byte|word|integer|char)((\s+at\s+(.*))|(\s+in\s+zero\s+page)|(\s+init)\s+(.*))?\s*/i);
var match = R.exec(Linea);
if (match === null)
return undefined;
var all = match[0], id = match[1], size = match[2], part1 = match[3], tipo = match[4], part = match[5], atstring = match[6], atvalue = match[7], zeropage = match[8], initstring = match[9], initvalue = match[10];
//console.log({all, id, part1, size, tipo, part, atstring, atvalue, zeropage, initstring, initvalue});
var Result = "";
var ival = initvalue == undefined ? "0" : initvalue;
if (zeropage !== undefined)
throw "dim at zero page not implemented";
if (atstring !== undefined) {
Dims_at_start.push(cross_1.define(id, atvalue));
}
else if (tipo == "BYTE" || tipo == "CHAR") {
if (size == undefined)
Dims_at_end.push(cross_1.BYTE(id, ival));
else
Dims_at_end.push(cross_1.BYTESPACE(id, size, ival));
}
else if (tipo == "WORD" || tipo == "INTEGER") {
if (size == undefined)
Dims_at_end.push(cross_1.WORD(id, ival));
else
Dims_at_end.push(cross_1.WORDSPACE(id, size, ival));
}
else
throw "unknown type " + tipo + " in dim";
return Result;
}
function IsIFDEFIncludeSingle(Linea, nl) {
// "_ #ifdef _ {cond} _ then _ include {file}";
var R = new RegExp(/\s*#ifdef\s+([_a-zA-Z]+[_a-zA-Z0-9]*)\s+then\s+include\s+(.*)/i);
var match = R.exec(Linea);
if (match === null)
return undefined;
var all = match[0], id = match[1], includeFile = match[2];
var upperDefines = defines.map(function (e) { return e.toUpperCase(); });
var upperId = id.toUpperCase();
var defined = upperDefines.indexOf(upperId) !== -1;
var Result = defined ? "include " + includeFile : "";
return Result;
}
// spezza su piu linee #IFDEF / #IFNDEF su singola linea
function IsIFDEFSingle(Linea, nl) {
// "_ #ifdef|#ifndef _ {cond} _ then {statement}";
var R = new RegExp(/\s*(#ifdef|#ifndef)\s+(.*)\s+then\s+(.*)/i);
var match = R.exec(Linea);
if (match === null)
return undefined;
var all = match[0], ifdef = match[1], cond = match[2], statement = match[3];
return ifdef + " " + cond + "\u00A7 " + statement + "\u00A7#ENDIF";
}
// change assembler reserved keywords
function IsReservedKeywords(Linea, nl) {
Linea = utils_1.Trim(Linea);
if (Linea.startsWith("#")) {
if (cross_1.target.dasm || cross_1.target.z80asm) {
Linea = Linea.replace("#IFDEF", "IFCONST");
Linea = Linea.replace("#IFNDEF", "IFNCONST");
Linea = Linea.replace("#IF", "IF");
Linea = Linea.replace("#ELSE", "ELSE");
Linea = Linea.replace("#ENDIF", "ENDIF");
Linea = Linea.replace("#END IF", "ENDIF");
//Linea = Linea.replace("#INCLUDE","INCLUDE");
var ReplaceTo = " " + Linea;
return ReplaceTo;
}
else if (cross_1.target.ca65) {
Linea = Linea.replace("#IFDEF", ".IFDEF");
Linea = Linea.replace("#IFNDEF", ".IFNDEF");
Linea = Linea.replace("#IF", ".IF");
Linea = Linea.replace("#ELSE", ".ELSE");
Linea = Linea.replace("#ENDIF", ".ENDIF");
Linea = Linea.replace("#END IF", ".ENDIF");
//Linea = Linea.replace("#INCLUDE","INCLUDE");
var ReplaceTo = " " + Linea;
return ReplaceTo;
}
}
return undefined;
}
function RemoveCommentInclude() {
for (;;) {
RemoveComments();
RemoveIfDefIncludeSingle();
var hasinclude = ResolveInclude();
if (!hasinclude)
break;
}
}
function RemoveIfDefIncludeSingle() {
// substitute DASM IF THEN on single line
for (var t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = IsIFDEFIncludeSingle(Dummy, t);
if (ReplaceTo !== undefined) {
L.Strings[t] = ReplaceTo;
}
}
}
function RemoveIfDefSingle() {
// substitute DASM IF THEN on single line
for (var t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = IsIFDEFSingle(Dummy, t);
if (ReplaceTo !== undefined) {
L.Strings[t] = ReplaceTo;
}
}
}
function ProcessFile() {
var t;
RemoveCommentInclude();
// remove \r new lines and tabs
L.SetText(L.Text().replace(/\r/g, ""));
L.SetText(L.Text().replace(/\t/g, " "));
// scan for basic, needs to be done first before of semicolon replacement
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = basic_1.IsBasic(L, Dummy, t);
// IsBasic does replace by itself
// if(ReplaceTo !== undefined) L.Strings[t] = ReplaceTo;
}
ModOperator();
RemoveColon();
MakeAllUpperCase();
RemoveIfDefSingle();
// change § into newlines (needed for DASM IF-THENs)
L.SetText(L.Text().replace(/§/g, "\n"));
// self modifying labels
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = void 0;
ReplaceTo = IsSelfModLabel(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
}
// scan for sub...end sub, need before macro to avoid conflicts with "sub"
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = void 0;
ReplaceTo = IsSUB(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsEXITSUB(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsENDSUB(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
}
if (!StackSub.IsEmpty)
error("SUB without END SUB");
// pre-process macros and build macro list
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = void 0;
ReplaceTo = IsMACRO(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsENDMACRO(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
}
substitute_macro(L);
// scan for repeat ... until then
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = void 0;
ReplaceTo = IsREPEAT(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsEXITREPEAT(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsUNTIL(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
}
if (!StackRepeat.IsEmpty)
error("REPEAT without UNTIL");
// scan for do ... loop then
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = void 0;
ReplaceTo = IsDO(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsEXITDO(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsLOOP(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
}
if (!StackDo.IsEmpty)
error("DO without LOOP");
// scan for while ... wend then
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = void 0;
ReplaceTo = IsWHILE(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsEXITWHILE(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsWEND(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
}
if (!StackWhile.IsEmpty)
error("WHILE without WEND");
// scan for for ... next then
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = void 0;
ReplaceTo = IsFOR(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsEXITFOR(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsNEXT(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
}
if (!StackFor.IsEmpty)
error("FOR without NEXT");
// scan for on single line: "if then <statement>"
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = void 0;
ReplaceTo = IsIFSINGLE(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
}
// change § into newlines (needed after IF-THEN <statement>)
L.SetText(L.Text().replace(/§/g, "\n"));
// do another macro substitition for macro in if-single
substitute_macro(L);
// scan for if then
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = void 0;
ReplaceTo = IsIF(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsENDIF(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
ReplaceTo = IsELSE(Dummy, t);
if (ReplaceTo !== undefined) {
L.Strings[t] = ReplaceTo;
StackIf_U.Pop();
StackIf_U.Add("true");
}
}
if (!StackIf.IsEmpty)
error("malformed IF");
// substitute DIM (before const)
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = IsDim(Dummy, t);
if (ReplaceTo !== undefined) {
L.Strings[t] = ReplaceTo;
}
}
/*
// bitmap values
for(t=0;t<L.Count;t++)
{
let Dummy = L.Strings[t];
let ReplaceTo = IsBitmap(Dummy, t);
if(ReplaceTo !== undefined) L.Strings[t] = ReplaceTo;
}
*/
/*
// sprite values
for(t=0;t<L.Count;t++)
{
let Dummy = L.Strings[t];
let ReplaceTo = IsSprite(Dummy, t);
if(ReplaceTo !== undefined) L.Strings[t] = ReplaceTo;
}
*/
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = IsCombined(Dummy, t);
if (ReplaceTo !== undefined)
L.Strings[t] = ReplaceTo;
}
/*
// floating point values
for(t=0;t<L.Count;t++)
{
let Dummy = L.Strings[t];
let ReplaceTo = IsFloat(Dummy, t);
if(ReplaceTo !== undefined) L.Strings[t] = ReplaceTo;
}
// substitute const
for(t=0; t<L.Count; t++)
{
let Dummy = L.Strings[t];
let ReplaceTo = IsConst(Dummy, t);
if(ReplaceTo !== undefined)
{
L.Strings[t] = ReplaceTo;
}
}
*/
// add defines on top of the file
var definecode = defines.map(function (e) {
var R = new RegExp(/\s*([_a-zA-Z]+[_a-zA-Z0-9]*)(\s*=\s*(.*))?\s*/ig);
var match = R.exec(e);
if (match != null) {
var all = match[0], id = match[1], eqpart = match[2], value = match[3];
if (value !== undefined)
return cross_1.define(id, value);
else
return cross_1.define(id, "1");
}
else
return "";
}).join("§");
L.Strings[0] = definecode + "§" + L.Strings[0];
// add global variables created with DIM
L.SetText(Dims_at_start.join("§") + "§" + L.Text());
L.Add(Dims_at_end.join("§"));
Dims_at_start = [];
Dims_at_end = [];
// change § into newlines
L.SetText(L.Text().replace(/§/g, "\n"));
// substitute reserved keywords
for (t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = IsReservedKeywords(Dummy, t);
if (ReplaceTo !== undefined) {
L.Strings[t] = ReplaceTo;
}
}
}
function Label(Header, nr, suffix) {
return Header + "_" + nr + "_" + suffix;
}
function substitute_macro(L) {
// substitute macros. substitution is repeated until all macro are expanded (recursively)
var replaced;
do {
replaced = false;
for (var t = 0; t < L.Count; t++) {
var Dummy = L.Strings[t];
var ReplaceTo = IsMacroCall(Dummy, t);
if (ReplaceTo !== undefined) {
L.Strings[t] = ReplaceTo;
replaced = true;
}
}
// change § into newlines (needed for macros)
L.SetText(L.Text().replace(/§/g, "\n"));
} while (replaced);
}
function IsIFSINGLE(Linea, nl) {
Linea = utils_1.UpperCase(utils_1.Trim(Linea)) + " ";
var StringaIF;
var StringaCond;
var StringaAfterThen;
var G = utils_1.GetToken(Linea, " ");
Linea = G.Rest;
StringaIF = G.Token;
if (StringaIF != "IF")
return undefined;
G = utils_1.GetToken(Linea, " THEN");
Linea = G.Rest;
StringaCond = G.Token;
if (StringaCond == "")
return undefined;
Linea = utils_1.Trim(Linea);
var LastPart = Linea;
G = utils_1.GetToken(Linea + " ", " ");
Linea = G.Rest;
StringaAfterThen = utils_1.Trim(G.Token);
if (StringaAfterThen == "")
return undefined; // if composto
if (StringaAfterThen == "GOTO")
return undefined; // if then goto
// if <cond> then <statement>
var ReplaceTo = " IF " + StringaCond + " THEN \u00A7 " + LastPart + " \u00A7 END IF\u00A7 ";
return ReplaceTo;
}
function IsIF(Linea, nl) {
Linea = utils_1.UpperCase(utils_1.Trim(Linea)) + " ";
var StringaIF;
var StringaCond;
var StringaAfterThen;
var G = utils_1.GetToken(Linea, " ");
Linea = G.Rest;
StringaIF = G.Token;
if (StringaIF != "IF")
return undefined;
G = utils_1.GetToken(Linea, " THEN");
Linea = G.Rest;
StringaCond = G.Token;
if (StringaCond == "")
return undefined;
Linea = utils_1.Trim(Linea);
G = utils_1.GetToken(Linea, " ");
Linea = G.Rest;
StringaAfterThen = utils_1.Trim(G.Token);
var ReplaceTo = "";
if (StringaAfterThen == "GOTO") {
// if then goto
var _a = ParseCond(StringaCond), Eval_1 = _a.Eval, BranchNot_1 = _a.BranchNot, Branch_1 = _a.Branch;
var Lab_1 = Linea;
Branch_1 = Branch_1.replace(/\*/g, Lab_1);
ReplaceTo = "";
if (Eval_1 != "")
ReplaceTo = ReplaceTo + "\t" + Eval_1 + "§";
ReplaceTo = ReplaceTo + "\t" + Branch_1;
return ReplaceTo;
}
// if composto
StackIf.Add(nl);
StackIf_U.Add("false");
var _b = ParseCond(StringaCond), Eval = _b.Eval, BranchNot = _b.BranchNot, Branch = _b.Branch;
var Lab = Label("IF", nl, "ELSE");
BranchNot = BranchNot.replace(/\*/g, Lab);
ReplaceTo = Label("IF", nl, "START") + ":§";
if (Eval != "")
ReplaceTo = ReplaceTo + "\t" + Eval + "§";
ReplaceTo = ReplaceTo + "\t" + BranchNot;
return ReplaceTo;
}
function IsENDIF(Linea, nl) {
Linea = utils_1.UpperCase(utils_1.Trim(Linea)) + " ";
var G = utils_1.GetToken(Linea, " ");
Linea = G.Rest;
var StringaENDIF = G.Token;
if (StringaENDIF != "ENDIF" && !(StringaENDIF == "END" && Linea == "IF "))
return undefined;
if (StackIf.IsEmpty) {
error("ENDIF without IF", nl);
process.exit(-1);
}
var ReplaceTo = "";
var n = StackIf.Pop();
var cond = StackIf_U.Pop();
if (cond == "false")
ReplaceTo = Label("IF", n, "ELSE") + ":§";
ReplaceTo = ReplaceTo + Label("IF", n, "END") + ":";
return ReplaceTo;
}
function IsELSE(Linea, n) {
Linea = utils_1.UpperCase(utils_1.Trim(Linea)) + " ";
var G = utils_1.GetToken(Linea, " ");
Linea = G.Rest;
var StringaELSE = G.Token;
if (StringaELSE != "ELSE")
return undefined;
if (StackIf.IsEmpty) {
error("ELSE without IF", n);
}
var nl = StackIf.Last();
var ReplaceTo = "\t" + cross_1.Jump(Label("IF", nl, "END")) + "§" + Label("IF", nl, "ELSE") + ":";
return ReplaceTo;
}
function IsREPEAT(Linea, nl) {
Linea = utils_1.UpperCase(utils_1.Trim(Linea)) + " ";
var StringaREPEAT = utils_1.GetParm(Linea, " ", 0);
if (StringaREPEAT != "REPEAT")
return undefined;
StackRepeat.Add(nl);
var ReplaceTo = Label("REPEAT", nl, "START") + ":";
return ReplaceTo;
}
function IsSelfModLabel(Linea, nl) {
var R = new RegExp(/^(.*)\*\*([_a-zA-Z]+[_a-zA-Z0-9]*)(?:\((.*)\))?(.*)$/gmi);
var match = R.exec(Linea);
if (match !== null) {
var all = match[0], leftside = match[1], varname = match[2], varparm = match[3], rightside = match[4];
var arg = (varparm === undefined || varparm === "") ? "$0000" : varparm;
var ReplaceTo = varname + " = _" + varname + "+1 \u00A7_" + varname + ":" + leftside + " " + arg + rightside;
return ReplaceTo;
}
}
function IsEXITREPEAT(Linea, nl) {
// CASE 1: turns "IF cond THEN EXIT REPEAT" into "IF cond THEN GOTO REPEAT_n_END"
var R = new RegExp(/^(.*)\s+then\s+exit\s+repeat\s*$/i);
var match = R.exec(Linea);
if (match !== null) {
if (StackRepeat.IsEmpty)