blitz: Catch uncaught exceptions

This commit is contained in:
Michael Fabian 'Xaymar' Dirks
2019-01-17 16:55:56 +01:00
parent 88f8f50e00
commit 7f5d100e51
+164 -143
View File
@@ -136,165 +136,186 @@ static void demoError() {
}
int main(int argc, char *argv[]) {
try {
string in_file, out_file, args;
string in_file, out_file, args;
bool debug = false, quiet = false, veryquiet = false, compileonly = false;
bool dumpkeys = false, dumphelp = false, showhelp = false, dumpasm = false;
bool versinfo = false;
bool debug = false, quiet = false, veryquiet = false, compileonly = false;
bool dumpkeys = false, dumphelp = false, showhelp = false, dumpasm = false;
bool versinfo = false;
for (int k = 1; k < argc; ++k) {
string t = argv[k];
t = tolower(t);
for (int k = 1; k < argc; ++k) {
string t = argv[k];
t = tolower(t);
if (t == "-h") {
showhelp = true;
} else if (t == "-a") {
dumpasm = true;
} else if (t == "-q") {
quiet = true;
} else if (t == "+q") {
quiet = veryquiet = true;
} else if (t == "-c") {
compileonly = true;
} else if (t == "-d") {
debug = true;
} else if (t == "-k") {
dumpkeys = true;
} else if (t == "+k") {
dumpkeys = dumphelp = true;
} else if (t == "-v") {
versinfo = true;
} else if (t == "-o") {
if (out_file.size() || k == argc - 1)
usageErr();
if (t == "-h") {
showhelp = true;
}
else if (t == "-a") {
dumpasm = true;
}
else if (t == "-q") {
quiet = true;
}
else if (t == "+q") {
quiet = veryquiet = true;
}
else if (t == "-c") {
compileonly = true;
}
else if (t == "-d") {
debug = true;
}
else if (t == "-k") {
dumpkeys = true;
}
else if (t == "+k") {
dumpkeys = dumphelp = true;
}
else if (t == "-v") {
versinfo = true;
}
else if (t == "-o") {
if (out_file.size() || k == argc - 1)
usageErr();
out_file = argv[++k];
} else {
if (in_file.size() || t[0] == '-' || t[0] == '+')
usageErr();
out_file = argv[++k];
}
else {
if (in_file.size() || t[0] == '-' || t[0] == '+')
usageErr();
in_file = argv[k];
for (++k; k < argc; ++k) {
string t = argv[k];
if (t.find(' ') != string::npos) t = '\"' + t + '\"';
if (args.size()) args += ' ';
args += t;
in_file = argv[k];
for (++k; k < argc; ++k) {
string t = argv[k];
if (t.find(' ') != string::npos) t = '\"' + t + '\"';
if (args.size()) args += ' ';
args += t;
}
}
}
}
if (out_file.size() && !in_file.size()) usageErr();
if (out_file.size() && !in_file.size()) usageErr();
if (const char *er = openLibs()) err(er);
if (const char *er = openLibs()) err(er);
if (const char *er = linkLibs()) err(er);
if (const char *er = linkLibs()) err(er);
if (showhelp) showHelp();
if (dumpkeys) dumpKeys(true, true, dumphelp);
if (versinfo) versInfo();
if (showhelp) showHelp();
if (dumpkeys) dumpKeys(true, true, dumphelp);
if (versinfo) versInfo();
if (!in_file.size()) {
return 0;
}
if (in_file[0] == '\"') {
if ((in_file.size() < 3) || (in_file[in_file.size() - 1] != '\"')) {
usageErr();
}
in_file = in_file.substr(1, in_file.size() - 2);
}
ifstream in(in_file.c_str());
if (!in) err("Unable to open input file");
if (!quiet) {
showInfo();
cout << "Compiling \"" << in_file << "\"" << endl;
}
int n = in_file.rfind('/');
if (n == string::npos) n = in_file.rfind('\\');
if (n != string::npos) {
if (!n || in_file[n - 1] == ':') ++n;
SetCurrentDirectory(in_file.substr(0, n).c_str());
}
ProgNode *prog = 0;
Environ *v_environ = 0;
Module *module = 0;
try {
//parse
if (!veryquiet) cout << "Parsing..." << endl;
Toker toker(in);
Parser parser(toker);
prog = parser.parse(in_file);
//semant
if (!veryquiet) cout << "Generating..." << endl;
v_environ = prog->semant(runtimeEnviron);
//translate
if (!veryquiet) cout << "Translating..." << endl;
qstreambuf qbuf;
iostream asmcode(&qbuf);
Codegen_x86 codegen(asmcode, debug);
prog->translate(&codegen, userFuncs);
if (dumpasm) {
cout << endl << string(qbuf.data(), qbuf.size()) << endl;
}
//assemble
if (!veryquiet) cout << "Assembling..." << endl;
module = linkerLib->createModule();
Assem_x86 assem(asmcode, module);
assem.assemble();
}
catch (Ex &x) {
string file = '\"' + x.file + '\"';
int row = ((x.pos >> 16) & 65535) + 1, col = (x.pos & 65535) + 1;
cout << file << ":" << row << ":" << col << ":" << row << ":" << col << ":" << x.ex << endl;
exit(-1);
}
delete prog;
if (out_file.size()) {
if (!veryquiet) cout << "Creating executable \"" << out_file << "\"..." << endl;
if (!module->createExe(out_file.c_str(), (home + "/bin/runtime.dll").c_str())) {
err("Error creating executable");
}
}
else if (!compileonly) {
void *entry = module->link(runtimeModule);
if (!entry) return 0;
HMODULE dbgHandle = 0;
Debugger *debugger = 0;
if (debug) {
dbgHandle = LoadLibrary((home + "\\debugger.dll").c_str());
if (dbgHandle) {
typedef Debugger *(_cdecl*GetDebugger)(Module*, Environ*);
GetDebugger gd = (GetDebugger)GetProcAddress(dbgHandle, "debuggerGetDebugger");
if (gd) debugger = gd(module, v_environ);
}
if (!debugger) err("Error launching debugger");
}
if (!veryquiet) cout << "Executing..." << endl;
runtimeLib->execute((void(*)())entry, args.c_str(), debugger);
if (dbgHandle) FreeLibrary(dbgHandle);
}
delete module;
delete v_environ;
closeLibs();
if (!in_file.size()) {
return 0;
}
catch (std::exception& e) {
std::cout << "Unexpected exception: " << e.what() << std::endl;
if (in_file[0] == '\"') {
if ((in_file.size() < 3) || (in_file[in_file.size() - 1] != '\"')) {
usageErr();
}
in_file = in_file.substr(1, in_file.size() - 2);
}
ifstream in(in_file.c_str());
if (!in) err("Unable to open input file");
if (!quiet) {
showInfo();
cout << "Compiling \"" << in_file << "\"" << endl;
catch (...) {
std::cout << "Unexpected error." << std::endl;
}
int n = in_file.rfind('/');
if (n == string::npos) n = in_file.rfind('\\');
if (n != string::npos) {
if (!n || in_file[n - 1] == ':') ++n;
SetCurrentDirectory(in_file.substr(0, n).c_str());
}
ProgNode *prog = 0;
Environ *v_environ = 0;
Module *module = 0;
try {
//parse
if (!veryquiet) cout << "Parsing..." << endl;
Toker toker(in);
Parser parser(toker);
prog = parser.parse(in_file);
//semant
if (!veryquiet) cout << "Generating..." << endl;
v_environ = prog->semant(runtimeEnviron);
//translate
if (!veryquiet) cout << "Translating..." << endl;
qstreambuf qbuf;
iostream asmcode(&qbuf);
Codegen_x86 codegen(asmcode, debug);
prog->translate(&codegen, userFuncs);
if (dumpasm) {
cout << endl << string(qbuf.data(), qbuf.size()) << endl;
}
//assemble
if (!veryquiet) cout << "Assembling..." << endl;
module = linkerLib->createModule();
Assem_x86 assem(asmcode, module);
assem.assemble();
} catch (Ex &x) {
string file = '\"' + x.file + '\"';
int row = ((x.pos >> 16) & 65535) + 1, col = (x.pos & 65535) + 1;
cout << file << ":" << row << ":" << col << ":" << row << ":" << col << ":" << x.ex << endl;
exit(-1);
}
delete prog;
if (out_file.size()) {
if (!veryquiet) cout << "Creating executable \"" << out_file << "\"..." << endl;
if (!module->createExe(out_file.c_str(), (home + "/bin/runtime.dll").c_str())) {
err("Error creating executable");
}
} else if (!compileonly) {
void *entry = module->link(runtimeModule);
if (!entry) return 0;
HMODULE dbgHandle = 0;
Debugger *debugger = 0;
if (debug) {
dbgHandle = LoadLibrary((home + "\\debugger.dll").c_str());
if (dbgHandle) {
typedef Debugger *(_cdecl*GetDebugger)(Module*, Environ*);
GetDebugger gd = (GetDebugger)GetProcAddress(dbgHandle, "debuggerGetDebugger");
if (gd) debugger = gd(module, v_environ);
}
if (!debugger) err("Error launching debugger");
}
if (!veryquiet) cout << "Executing..." << endl;
runtimeLib->execute((void(*)())entry, args.c_str(), debugger);
if (dbgHandle) FreeLibrary(dbgHandle);
}
delete module;
delete v_environ;
closeLibs();
return 0;
}