.github/workflows/test.yml

@@ -1,16 +0,0 @@
-name: tests
-on: [push, pull_request]
-jobs:
-  test:
-    strategy:
-      matrix:
-        os: [windows-latest, ubuntu-latest]
-        dc: [dmd-latest, ldc-latest]
-    runs-on: ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@main
-      - uses: dlang-community/setup-dlang@v1
-        with:
-          compiler: ${{ matrix.dc }}
-      - run: dub build
-      - run: dub test

.travis.yml

@@ -0,0 +1,5 @@
+language: d
+d:
+  - dmd
+  - gdc
+  - ldc

README.md

@@ -1,4 +1,4 @@
-[![GitHub Actions](https://github.com/pfusik/xasm/actions/workflows/test.yml/badge.svg)](https://github.com/pfusik/xasm/actions/workflows/test.yml)
+[![Build Status](https://travis-ci.com/pfusik/xasm.svg?branch=master)](https://travis-ci.com/github/pfusik/xasm)
 
 xasm
 ====

source/app.d

@@ -25,16 +25,19 @@ import std.math;
 import std.path;
 import std.stdio;
 import std.string;
-import std.exception : assumeUnique;
-import std.range : empty, front, popFront;
 
 version (Windows) {
 	import core.sys.windows.windows;
 }
 
-const string TITLE = "xasm 3.2.0";
+int readByte(File *file) {
+	char c;
+	if (file.readf("%c", &c) != 1)
+		return -1;
+	return c;
+}
 
-File messageStream;
+const string TITLE = "xasm 3.2.0";
 
 string sourceFilename = null;
 bool[26] options;
@@ -42,7 +45,6 @@ string[26] optionParameters;
 string[] commandLineDefinitions = null;
 string objectFilename = null;
 string[] makeSources = null;
-immutable(ubyte)[][string] sourceFiles;
 
 int exitCode = 0;
 
@@ -174,14 +176,13 @@ File objectStream;
 
 int objectBytes = 0;
 
-
 bool getOption(char letter) {
 	assert(letter >= 'a' && letter <= 'z');
 	return options[letter - 'a'];
 }
 
 void warning(string msg, bool error = false) {
-	messageStream.flush();
+	stdout.flush();
 	version (Windows) {
 		HANDLE stderrHandle = GetStdHandle(STD_ERROR_HANDLE);
 		CONSOLE_SCREEN_BUFFER_INFO csbi;
@@ -1086,7 +1087,7 @@ File openInputFile(string filename) {
 
 File openOutputFile(string filename, string msg) {
 	if (!getOption('q'))
-		messageStream.writeln(msg);
+		writeln(msg);
 	try {
 		return File(filename, "wb");
 	} catch (Exception e) {
@@ -1184,11 +1185,8 @@ void objectByte(ubyte b) {
 	} else {
 		assert(pass2);
 		if (!optionObject) return;
-		if (!objectStream.isOpen) {
-			objectStream = objectFilename == "-"
-				? stdout
-				: openOutputFile(objectFilename, "Writing object file...");
-		}
+		if (!objectStream.isOpen)
+			objectStream = openOutputFile(objectFilename, "Writing object file...");
 		try {
 			objectStream.write(cast(char) b);
 		} catch (Exception e) {
@@ -2304,6 +2302,7 @@ void assemblyIns() {
 		}
 	}
 	File stream = openInputFile(filename);
+	scope (exit) stream.close();
 	try {
 		stream.seek(offset, offset >= 0 ? SEEK_SET : SEEK_END);
 	} catch (Exception e) {
@@ -2312,13 +2311,13 @@ void assemblyIns() {
 	if (inOpcode)
 		length = 1;
 	while (length != 0) {
-		ubyte[1] b;
-		if (stream.rawRead(b).length != 1) {
+		int b = readByte(&stream);
+		if (b < 0) {
 			if (length > 0)
 				throw new AssemblyError("File is too short");
 			break;
 		}
-		putByte(b[0]);
+		putByte(cast(ubyte) b);
 		if (length > 0) length--;
 	}
 }
@@ -2797,17 +2796,11 @@ void assemblyLine() {
 }
 
 void assemblyFile(string filename) {
-	immutable(ubyte)[] source = sourceFiles.require(filename, {
-			File stream = stdin;
-			if (filename != "-") {
-				filename = filename.defaultExtension("asx");
-				if (getOption('p'))
-					filename = absolutePath(filename);
-				stream = openInputFile(filename);
-			}
-			return stream.byChunk(65536).joiner.array.assumeUnique;
-		}());
-
+	filename = filename.defaultExtension("asx");
+	if (getOption('p'))
+		filename = absolutePath(filename);
+	File stream = openInputFile(filename);
+	scope (exit) stream.close();
 	string oldFilename = currentFilename;
 	int oldLineNo = lineNo;
 	currentFilename = filename;
@@ -2815,18 +2808,16 @@ void assemblyFile(string filename) {
 	foundEnd = false;
 	line = "";
 	readChar: while (!foundEnd) {
-		if (source.empty)
-			break;
-		ubyte b = source.front;
-		source.popFront;
+		int b = readByte(&stream);
 		switch (b) {
+		case -1:
+			break readChar;
 		case '\r':
 			assemblyLine();
 			line = "";
-			if (source.empty)
+			b = readByte(&stream);
+			if (b < 0)
 				break readChar;
-			b = source.front;
-			source.popFront;
 			if (b != '\n')
 				line ~= cast(char) b;
 			break;
@@ -2953,17 +2944,10 @@ int main(string[] args) {
 	else {
 		if (sourceFilename is null)
 			exitCode = 3;
-		objectFilename = optionParameters['o' - 'a'];
-		if (objectFilename is null) {
-			objectFilename = sourceFilename == "-"
-				? "-"
-				: sourceFilename.setExtension("obx");
-		}
-		messageStream = objectFilename == "-" ? stderr : stdout;
 		if (!getOption('q'))
-			messageStream.writeln(TITLE);
+			writeln(TITLE);
 		if (exitCode != 0) {
-			messageStream.write(
+			write(
 `Syntax: xasm SOURCE [OPTIONS]
 -c             Include false conditionals in listing
 -d LABEL=VALUE Define a label
@@ -2978,6 +2962,9 @@ int main(string[] args) {
 `);
 			return exitCode;
 		}
+		objectFilename = optionParameters['o' - 'a'];
+		if (objectFilename is null)
+			objectFilename = sourceFilename.setExtension("obx");
 		try {
 			assemblyPass();
 			pass2 = true;
@@ -2987,24 +2974,22 @@ int main(string[] args) {
 		} catch (AssemblyError e) {
 			warning(e.msg, true);
 			exitCode = 2;
-			if (objectFilename != "-") {
-				objectStream.close();
-				core.stdc.stdio.remove(toStringz(objectFilename));
-			}
+			objectStream.close();
+			core.stdc.stdio.remove(toStringz(objectFilename));
 		}
 		listingStream.close();
 		objectStream.close();
 		if (exitCode <= 1) {
 			if (!getOption('q')) {
-				messageStream.writefln("%d lines of source assembled", totalLines);
+				writefln("%d lines of source assembled", totalLines);
 				if (objectBytes > 0)
-					messageStream.writefln("%d bytes written to the object file", objectBytes);
+					writefln("%d bytes written to the object file", objectBytes);
 			}
 			if (getOption('m')) {
-				messageStream.writef("%s:", makeEscape(objectFilename));
+				writef("%s:", makeEscape(objectFilename));
 				foreach (filename; makeSources)
-					messageStream.writef(" %s", makeEscape(filename));
-				messageStream.write("\n\txasm");
+					writef(" %s", makeEscape(filename));
+				write("\n\txasm");
 				for (int i = 1; i < args.length; i++) {
 					string arg = args[i];
 					if (isOption(arg)) {
@@ -3016,9 +3001,9 @@ int main(string[] args) {
 							break;
 						case 'o':
 							if (arg[0] == '/')
-								messageStream.writef(" /%c:$@", arg[1]);
+								writef(" /%c:$@", arg[1]);
 							else {
-								messageStream.writef(" -%c $@", arg[1]);
+								writef(" -%c $@", arg[1]);
 								++i;
 							}
 							break;
@@ -3026,18 +3011,18 @@ int main(string[] args) {
 							if (arg[0] == '-'
 							 && (letter == 'd' || letter == 'l' || letter == 't')
 							 && i + 1 < args.length && !isOption(args[i + 1])) {
-								messageStream.writef(" %s %s", arg, makeEscape(args[++i]));
+								writef(" %s %s", arg, makeEscape(args[++i]));
 							}
 							else {
-								messageStream.writef(" %s", makeEscape(arg));
+								writef(" %s", makeEscape(arg));
 							}
 							break;
 						}
 						continue;
 					}
-					messageStream.write(" $<");
+					write(" $<");
 				}
-				messageStream.writeln();
+				writeln();
 			}
 		}
 		return exitCode;

xasm.1.asciidoc

@@ -16,7 +16,6 @@ DESCRIPTION
 
 'SOURCE_FILE' is the name of the source file
 (you may omit the default `.asx` extension).
-Using '-' as 'SOURCE_FILE' makes *xasm* read from standard input.
 When invoked without any options, *xasm* assembles 'SOURCE_FILE'
 and writes the result to an object file named 'SOURCE_FILE'
 with the extension changed to `.obx`.
@@ -52,9 +51,7 @@ Your *make* or shell may require further escaping.
 
 *-o* 'OBJECT_FILE'::
 Sets output file name.
-Using '-' as 'OBJECT_FILE' makes *xasm* write to standard output.
-The default is 'SOURCE_FILE' with the extension changed to `.obx`, or
-standard output if standard input was specified as source.
+The default is 'SOURCE_FILE' with the extension changed to `.obx`.
 
 [[new_fullpaths]]*-p*::
 Prints absolute paths in listing and error messages.
@@ -712,11 +709,6 @@ and pseudo commands, except for `MWA`, `MWX` and `MWY`:
 HISTORY
 -------
 
-Version 3.x.x (20xx-xx-xx)
-~~~~~~~~~~~~~~~~~~~~~~~~~~
-- source can optionally be read from standard input, and object can be
-  written to standard output instead of files (by Adrian Matoga)
-
 Version 3.2.0 (2021-06-22)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~
 - <<new_locallabel,local labels>> (contributed by Adrian Matoga)