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// Copyright(C) 2012 by RobertL
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <errno.h>
static const PropertyAttribute attribute_ro_dd = (PropertyAttribute)(ReadOnly | DontDelete);
static const PropertyAttribute attribute_ro_de_dd = (PropertyAttribute)(ReadOnly | DontEnum | DontDelete);
#define JSObjFn(obj, name, fnname) \
obj->Set(String::New(name), FunctionTemplate::New(fnname)->GetFunction(), attribute_ro_dd);
static void ReportException(TryCatch* try_catch) {
HandleScope scope;
String::Utf8Value exception(try_catch->Exception());
Handle<Message> message = try_catch->Message();
if (message.IsEmpty()) {
printf("%s\n", *exception);
} else {
// Print (filename):(line number): (message).
String::Utf8Value filename(message->GetScriptResourceName());
int linenum = message->GetLineNumber();
printf("%s:%i: %s\n", *filename, linenum, *exception);
String::Utf8Value sourceline(message->GetSourceLine());
char *tmpbuf = *sourceline;
for (int i=0, n=sourceline.length(); i<n; ++i) {
if (tmpbuf[i] == '\t') {
putchar(' ');
} else {
putchar(tmpbuf[i]);
}
}
putchar('\n');
int start = message->GetStartColumn();
for (int i = 0; i < start; i++) {
putchar(' ');
}
int end = message->GetEndColumn();
for (int i = start; i < end; i++) {
putchar('^');
}
putchar('\n');
String::Utf8Value stack_trace(try_catch->StackTrace());
if (stack_trace.length() > 0) {
printf("%s\n", *stack_trace);
}
}
}
static Handle<Value> readFileSync_(const Arguments &args) {
HandleScope scope;
FILE *f = fopen(*String::Utf8Value(Handle<String>::Cast(args[0])), "rb");
if (f == NULL) {
char str[256];
sprintf(str, "Error: readfile open failed. %d %s\n", errno, strerror(errno));
return ThrowException(Exception::Error(String::New(str)));
}
fseek(f, 0, SEEK_END);
size_t s = ftell(f);
rewind(f);
char *buf = (char*)malloc((s+1)*sizeof(char));
size_t r = fread(buf, sizeof(char), s, f);
if (r < s) {
char str[256];
sprintf(str, "Error: readfile read failed. %d %s\n", ferror(f), strerror(ferror(f)));
delete[] buf;
fclose(f);
ThrowException(Exception::Error(String::New(str)));
}
buf[s] = 0;
Handle<String> str = String::New(buf);
free(buf);
fclose(f);
return scope.Close(str);
}
// console section
static inline void console_common_1(const Handle<Value> &v, FILE* fd, const int deep) {
char indent[36] = {};
int i, n;
int mark = 0;
for (i=0; i<deep; ++i) {
indent[mark++] = 0x20;
indent[mark++] = 0x20;
}
Handle<Value> lv;
if (v->IsFunction()) {
fprintf(fd, "%s[Function]\n", indent);
} else if (v->IsObject()) {
Handle<Object> obj = Handle<Object>::Cast(v);
Handle<Array> ar = obj->GetPropertyNames();
fprintf(fd, "%s{Object}\n", indent);
for (i=0, n=ar->Length(); i<n; ++i) {
lv = obj->Get(ar->Get(i));
fprintf(fd, "%s%s: ", indent, *(String::Utf8Value(Handle<String>::Cast(ar->Get(i)))));
if (lv->IsFunction()) {
fprintf(fd, "%s[Function]\n", indent);
} else if (lv->IsObject() || lv->IsArray()) {
//fprintf(fd, "\n");
console_common_1(lv, fd, deep+1);
} else {
fprintf(fd, "%s%s\n", indent, *(String::Utf8Value(Handle<String>::Cast(lv))));
}
}
fprintf(fd, "%s{/Object}\n", indent);
} else if (v->IsArray()) {
Handle<Array> obj = Handle<Array>::Cast(v);
fprintf(fd, "%s[Array]\n", indent);
for (i=0, n=obj->Length(); i<n; ++i) {
lv = obj->Get(i);
fprintf(fd, "%s%d: ", indent, i);
if (lv->IsFunction()) {
fprintf(fd, "%s[Function]\n", indent);
} else if (lv->IsObject() || lv->IsArray()) {
fprintf(fd, "\n");
console_common_1(lv, fd, deep+1);
} else {
fprintf(fd, "%s%s\n", indent, *(String::Utf8Value(Handle<String>::Cast(lv))));
}
}
fprintf(fd, "%s[/Array]\n", indent);
} else {
fprintf(fd, "%s%s\n", indent, *(String::Utf8Value(Handle<String>::Cast(v))));
}
}
static inline void console_common(const Arguments &args, FILE* fd) {
TryCatch trycatch;
for (int i=0, n=args.Length(); i<n; ++i) {
console_common_1(args[i], stdout, 0);
}
if (trycatch.HasCaught()) {
ReportException(&trycatch);
}
}
static Handle<Value> console_log(const Arguments &args) {
HandleScope scope;
console_common(args, stdout);
return Undefined();
}
static Handle<Value> console_error(const Arguments &args) {
HandleScope scope;
console_common(args, stderr);
return Undefined();
}
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