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/**************************************************************************
*
* Copyright 2010-2016 VMware, Inc.
* All Rights Reserved.
*
* 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, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, 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.
*
**************************************************************************/
#pragma once
#include "highlight.hpp"
#include "trace_dump.hpp"
namespace trace {
class Dumper : public Visitor
{
protected:
std::ostream &os;
DumpFlags dumpFlags;
const highlight::Highlighter & highlighter;
const highlight::Attribute & normal;
const highlight::Attribute & bold;
const highlight::Attribute & italic;
const highlight::Attribute & strike;
const highlight::Attribute & red;
const highlight::Attribute & pointer;
const highlight::Attribute & literal;
public:
Dumper(std::ostream &_os, DumpFlags _flags);
virtual ~Dumper();
virtual void visit(Null *) override;
virtual void visit(Bool *node) override;
virtual void visit(SInt *node) override;
virtual void visit(UInt *node) override;
virtual void visit(Float *node) override;
virtual void visit(Double *node) override;
template< typename C >
void visitString(const C *value) {
os << literal << "\"";
for (const C *it = value; *it; ++it) {
unsigned c = (unsigned) *it;
if (c == '\"')
os << "\\\"";
else if (c == '\\')
os << "\\\\";
else if (c >= 0x20 && c <= 0x7e)
os << (char)c;
else if (c == '\t') {
os << "\t";
} else if (c == '\r') {
// Ignore carriage-return
} else if (c == '\n') {
if (dumpFlags & DUMP_FLAG_NO_MULTILINE) {
os << "\\n";
} else {
// Reset formatting so that it looks correct with 'less -R'
os << normal << '\n' << literal;
}
} else {
// FIXME: handle wchar_t octals properly
unsigned octal0 = c & 0x7;
unsigned octal1 = (c >> 3) & 0x7;
unsigned octal2 = (c >> 3) & 0x7;
os << "\\";
if (octal2)
os << octal2;
if (octal1)
os << octal1;
os << octal0;
}
}
os << "\"" << normal;
}
virtual void visit(String *node) override;
virtual void visit(WString *node) override;
virtual void visit(Enum *node) override;
virtual void visit(Bitmask *bitmask) override;
virtual const char *
visitMembers(Struct *s, const char *sep = "");
virtual void visit(Struct *s) override;
virtual void visit(Array *array) override;
virtual void visit(Blob *blob) override;
virtual void visit(Pointer *p) override;
virtual void visit(Repr *r) override;
virtual void visit(StackFrame *frame);
virtual void visit(Backtrace & backtrace);
virtual void visit(Call *call);
};
} /* namespace trace */
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