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var Library = {
// stdio.h
printf: function() {
__print__(Pointer_stringify(__formatString.apply(null, arguments)));
},
puts: function(p) {
__print__(Pointer_stringify(p) + '\n');
},
putchar: function(p) {
__print__(String.fromCharCode(p));
},
_ZNSo3putEc: 'putchar',
_ZNSo5flushEv: function() {
__print__('\n');
},
vsnprintf: function(dst, num, src, ptr) {
var args = Array_copy(ptr+1, HEAP[ptr]); // # of args in in first place
var text = __formatString.apply(null, [src].concat(args));
for (var i = 0; i < num; i++) {
HEAP[dst+i] = HEAP[text+i];
if (HEAP[dst+i] == 0) break;
}
},
// stdlib.h
atexit: function(func) {
__ATEXIT__.push(func);
},
__cxa_atexit: 'atexit',
abort: function(code) {
throw 'ABORT: ' + code + ', at ' + (new Error().stack);
},
// string.h
strlen: function(p) {
var q = p;
while (HEAP[q] != 0) q++;
return q - p;
},
strspn: function(pstr, pset) {
var str = String_copy(pstr, true);
var set = String_copy(pset);
var i = 0;
while (set.indexOf(str[i]) != -1) i++; // Must halt, as 0 is in str but not set
return i;
},
strcspn: function(pstr, pset) {
var str = String_copy(pstr, true);
var set = String_copy(pset, true);
var i = 0;
while (set.indexOf(str[i]) == -1) i++; // Must halt, as 0 is in both
return i;
},
strcpy: function(pdest, psrc) {
var i = 0;
do {
HEAP[pdest+i] = HEAP[psrc+i];
i ++;
} while (HEAP[psrc+i-1] != 0);
},
strncpy: function(pdest, psrc, num) {
var padding = false;
for (var i = 0; i < num; i++) {
HEAP[pdest+i] = padding ? 0 : HEAP[psrc+i];
padding = padding || HEAP[psrc+i] == 0;
}
},
strlen: function(ptr) {
var i = 0;
while (HEAP[ptr+i] != 0) i++;
return i;
},
strcat: function(pdest, psrc) {
var len = Pointer_stringify(pdest).length; // TODO: use strlen, but need dependencies system
var i = 0;
do {
HEAP[pdest+len+i] = HEAP[psrc+i];
i ++;
} while (HEAP[psrc+i-1] != 0);
},
strtol: function(ptr) {
// XXX: We ignore the other two params!
return parseInt(Pointer_stringify(ptr));
},
strcmp: function(px, py) {
var i = 0;
while (true) {
var x = HEAP[px+i];
var y = HEAP[py+i];
if (x == y && x == 0) return 0;
if (x == 0) return -1;
if (y == 0) return 1;
if (x == y) {
i ++;
continue;
} else {
return x > y ? 1 : -1;
}
}
},
isdigit: function(chr) {
return chr >= '0'.charCodeAt(0) && chr <= '9'.charCodeAt(0);
},
// LLVM specifics
__assert_fail: function(condition, file, line) {
throw 'Assertion failed: ' + Pointer_stringify(condition);//JSON.stringify(arguments)//condition;
},
__cxa_guard_acquire: function() {
return 0;
},
__cxa_guard_release: function() {
return 0;
},
llvm_memset_i32: function(ptr, value, num) {
for (var i = 0; i < num; i++) {
HEAP[ptr+i] = value;
}
},
llvm_eh_exception: function() {
return Error();
},
llvm_eh_selector: function(exception, personality, num) {
},
__cxa_call_unexpected: function(exception) {
throw exception;
},
// iostream
_ZNSt8ios_base4InitC1Ev: function() {
// need valid 'file descriptors'
__ZSt4cout = 1;
__ZSt4cerr = 2;
},
_ZNSt8ios_base4InitD1Ev: '_ZNSt8ios_base4InitC1Ev',
_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_: 0, // endl
_ZNSolsEi: function(stream, data) {
__print__(data);
},
_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc: function(stream, data) {
__print__(Pointer_stringify(data));
},
_ZNSolsEd: function(stream, data) {
__print__('\n');
},
_ZNSolsEPFRSoS_E: function(stream, data) {
__print__('\n');
},
_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_i: function(stream, data, call_) {
__print__(Pointer_stringify(data));
},
// math.h
cos: function(x) { return Math.cos(x) },
sin: function(x) { return Math.sin(x) },
sqrt: function(x) { return Math.sqrt(x) },
llvm_sqrt_f64: 'sqrt',
// unistd.h
sysconf: function(name_) {
switch(name_) {
case 30: return 4096; // _SC_PAGE_SIZE
default: throw 'unknown sysconf param: ' + name_;
}
},
sbrk: function(bytes) {
return unfreeableMalloc(bytes);
},
// time.h
time: function(ptr) {
var ret = Math.floor(Date.now()/1000);
if (ptr) {
HEAP[ptr] = ret;
}
return ret;
},
};
load('library_sdl.js');
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