mirror of
https://github.com/pfusik/xasm.git
synced 2024-12-27 02:29:53 +00:00
Allow stdin/stdout instead of files for source and object.
This commit is contained in:
Adrian Matoga
Piotr Fusik
parent
afb9f7830e
commit
2f67b3bab4
101
source/app.d
101
source/app.d
@ -25,26 +25,24 @@ 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;
|
||||
}
|
||||
|
||||
int readByte(File *file) {
|
||||
char c;
|
||||
if (file.readf("%c", &c) != 1)
|
||||
return -1;
|
||||
return c;
|
||||
}
|
||||
|
||||
const string TITLE = "xasm 3.2.0";
|
||||
|
||||
File messageStream;
|
||||
|
||||
string sourceFilename = null;
|
||||
bool[26] options;
|
||||
string[26] optionParameters;
|
||||
string[] commandLineDefinitions = null;
|
||||
string objectFilename = null;
|
||||
string[] makeSources = null;
|
||||
immutable(ubyte)[][string] sourceFiles;
|
||||
|
||||
int exitCode = 0;
|
||||
|
||||
@ -176,13 +174,14 @@ 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) {
|
||||
stdout.flush();
|
||||
messageStream.flush();
|
||||
version (Windows) {
|
||||
HANDLE stderrHandle = GetStdHandle(STD_ERROR_HANDLE);
|
||||
CONSOLE_SCREEN_BUFFER_INFO csbi;
|
||||
@ -1087,7 +1086,7 @@ File openInputFile(string filename) {
|
||||
|
||||
File openOutputFile(string filename, string msg) {
|
||||
if (!getOption('q'))
|
||||
writeln(msg);
|
||||
messageStream.writeln(msg);
|
||||
try {
|
||||
return File(filename, "wb");
|
||||
} catch (Exception e) {
|
||||
@ -1185,8 +1184,11 @@ void objectByte(ubyte b) {
|
||||
} else {
|
||||
assert(pass2);
|
||||
if (!optionObject) return;
|
||||
if (!objectStream.isOpen)
|
||||
objectStream = openOutputFile(objectFilename, "Writing object file...");
|
||||
if (!objectStream.isOpen) {
|
||||
objectStream = objectFilename == "-"
|
||||
? stdout
|
||||
: openOutputFile(objectFilename, "Writing object file...");
|
||||
}
|
||||
try {
|
||||
objectStream.write(cast(char) b);
|
||||
} catch (Exception e) {
|
||||
@ -2302,7 +2304,6 @@ void assemblyIns() {
|
||||
}
|
||||
}
|
||||
File stream = openInputFile(filename);
|
||||
scope (exit) stream.close();
|
||||
try {
|
||||
stream.seek(offset, offset >= 0 ? SEEK_SET : SEEK_END);
|
||||
} catch (Exception e) {
|
||||
@ -2311,13 +2312,13 @@ void assemblyIns() {
|
||||
if (inOpcode)
|
||||
length = 1;
|
||||
while (length != 0) {
|
||||
int b = readByte(&stream);
|
||||
if (b < 0) {
|
||||
ubyte[1] b;
|
||||
if (stream.rawRead(b).length != 1) {
|
||||
if (length > 0)
|
||||
throw new AssemblyError("File is too short");
|
||||
break;
|
||||
}
|
||||
putByte(cast(ubyte) b);
|
||||
putByte(b[0]);
|
||||
if (length > 0) length--;
|
||||
}
|
||||
}
|
||||
@ -2796,11 +2797,17 @@ void assemblyLine() {
|
||||
}
|
||||
|
||||
void assemblyFile(string filename) {
|
||||
filename = filename.defaultExtension("asx");
|
||||
if (getOption('p'))
|
||||
filename = absolutePath(filename);
|
||||
File stream = openInputFile(filename);
|
||||
scope (exit) stream.close();
|
||||
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;
|
||||
}());
|
||||
|
||||
string oldFilename = currentFilename;
|
||||
int oldLineNo = lineNo;
|
||||
currentFilename = filename;
|
||||
@ -2808,16 +2815,18 @@ void assemblyFile(string filename) {
|
||||
foundEnd = false;
|
||||
line = "";
|
||||
readChar: while (!foundEnd) {
|
||||
int b = readByte(&stream);
|
||||
if (source.empty)
|
||||
break;
|
||||
ubyte b = source.front;
|
||||
source.popFront;
|
||||
switch (b) {
|
||||
case -1:
|
||||
break readChar;
|
||||
case '\r':
|
||||
assemblyLine();
|
||||
line = "";
|
||||
b = readByte(&stream);
|
||||
if (b < 0)
|
||||
if (source.empty)
|
||||
break readChar;
|
||||
b = source.front;
|
||||
source.popFront;
|
||||
if (b != '\n')
|
||||
line ~= cast(char) b;
|
||||
break;
|
||||
@ -2944,10 +2953,17 @@ 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'))
|
||||
writeln(TITLE);
|
||||
messageStream.writeln(TITLE);
|
||||
if (exitCode != 0) {
|
||||
write(
|
||||
messageStream.write(
|
||||
`Syntax: xasm SOURCE [OPTIONS]
|
||||
-c Include false conditionals in listing
|
||||
-d LABEL=VALUE Define a label
|
||||
@ -2962,9 +2978,6 @@ int main(string[] args) {
|
||||
`);
|
||||
return exitCode;
|
||||
}
|
||||
objectFilename = optionParameters['o' - 'a'];
|
||||
if (objectFilename is null)
|
||||
objectFilename = sourceFilename.setExtension("obx");
|
||||
try {
|
||||
assemblyPass();
|
||||
pass2 = true;
|
||||
@ -2974,22 +2987,24 @@ int main(string[] args) {
|
||||
} catch (AssemblyError e) {
|
||||
warning(e.msg, true);
|
||||
exitCode = 2;
|
||||
objectStream.close();
|
||||
core.stdc.stdio.remove(toStringz(objectFilename));
|
||||
if (objectFilename != "-") {
|
||||
objectStream.close();
|
||||
core.stdc.stdio.remove(toStringz(objectFilename));
|
||||
}
|
||||
}
|
||||
listingStream.close();
|
||||
objectStream.close();
|
||||
if (exitCode <= 1) {
|
||||
if (!getOption('q')) {
|
||||
writefln("%d lines of source assembled", totalLines);
|
||||
messageStream.writefln("%d lines of source assembled", totalLines);
|
||||
if (objectBytes > 0)
|
||||
writefln("%d bytes written to the object file", objectBytes);
|
||||
messageStream.writefln("%d bytes written to the object file", objectBytes);
|
||||
}
|
||||
if (getOption('m')) {
|
||||
writef("%s:", makeEscape(objectFilename));
|
||||
messageStream.writef("%s:", makeEscape(objectFilename));
|
||||
foreach (filename; makeSources)
|
||||
writef(" %s", makeEscape(filename));
|
||||
write("\n\txasm");
|
||||
messageStream.writef(" %s", makeEscape(filename));
|
||||
messageStream.write("\n\txasm");
|
||||
for (int i = 1; i < args.length; i++) {
|
||||
string arg = args[i];
|
||||
if (isOption(arg)) {
|
||||
@ -3001,9 +3016,9 @@ int main(string[] args) {
|
||||
break;
|
||||
case 'o':
|
||||
if (arg[0] == '/')
|
||||
writef(" /%c:$@", arg[1]);
|
||||
messageStream.writef(" /%c:$@", arg[1]);
|
||||
else {
|
||||
writef(" -%c $@", arg[1]);
|
||||
messageStream.writef(" -%c $@", arg[1]);
|
||||
++i;
|
||||
}
|
||||
break;
|
||||
@ -3011,18 +3026,18 @@ int main(string[] args) {
|
||||
if (arg[0] == '-'
|
||||
&& (letter == 'd' || letter == 'l' || letter == 't')
|
||||
&& i + 1 < args.length && !isOption(args[i + 1])) {
|
||||
writef(" %s %s", arg, makeEscape(args[++i]));
|
||||
messageStream.writef(" %s %s", arg, makeEscape(args[++i]));
|
||||
}
|
||||
else {
|
||||
writef(" %s", makeEscape(arg));
|
||||
messageStream.writef(" %s", makeEscape(arg));
|
||||
}
|
||||
break;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
write(" $<");
|
||||
messageStream.write(" $<");
|
||||
}
|
||||
writeln();
|
||||
messageStream.writeln();
|
||||
}
|
||||
}
|
||||
return exitCode;
|
||||
|
||||
@ -16,6 +16,7 @@ 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`.
|
||||
@ -51,7 +52,9 @@ Your *make* or shell may require further escaping.
|
||||
|
||||
*-o* 'OBJECT_FILE'::
|
||||
Sets output file name.
|
||||
The default is 'SOURCE_FILE' with the extension changed to `.obx`.
|
||||
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.
|
||||
|
||||
[[new_fullpaths]]*-p*::
|
||||
Prints absolute paths in listing and error messages.
|
||||
@ -709,6 +712,11 @@ 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)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user