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//===--- Expr.cpp - Expression AST Node Implementation --------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Chris Lattner and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the Expr class and subclasses.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/Expr.h"
#include "clang/Lex/IdentifierTable.h"
#include <iostream>
using namespace llvm;
using namespace clang;
void Expr::dump() const {
if (this == 0) {
std::cerr << "<null expr>";
return;
}
std::cerr << "(";
dump_impl();
std::cerr << ")";
}
//===----------------------------------------------------------------------===//
// Primary Expressions.
//===----------------------------------------------------------------------===//
void DeclExpr::dump_impl() const {
std::cerr << "x";
}
void IntegerConstant::dump_impl() const {
std::cerr << "1";
}
void FloatingConstant::dump_impl() const {
std::cerr << "1.0";
}
void ParenExpr::dump_impl() const {
std::cerr << "'('";
Val->dump();
std::cerr << "')'";
}
/// getOpcodeStr - Turn an Opcode enum value into the punctuation char it
/// corresponds to, e.g. "sizeof" or "[pre]++".
const char *UnaryOperator::getOpcodeStr(Opcode Op) {
switch (Op) {
default: assert(0 && "Unknown binary operator");
case PostInc: return "[post]++";
case PostDec: return "[post]--";
case PreInc: return "[pre]++";
case PreDec: return "[pre]--";
case AddrOf: return "&";
case Deref: return "*";
case Plus: return "+";
case Minus: return "-";
case Not: return "~";
case LNot: return "!";
case Real: return "__real";
case Imag: return "__imag";
case SizeOf: return "sizeof";
case AlignOf: return "alignof";
}
}
void UnaryOperator::dump_impl() const {
std::cerr << getOpcodeStr(Opc);
Input->dump();
}
void SizeOfAlignOfTypeExpr::dump_impl() const {
std::cerr << (isSizeof ? "sizeof(" : "alignof(");
// FIXME: print type.
std::cerr << "ty)";
}
//===----------------------------------------------------------------------===//
// Postfix Operators.
//===----------------------------------------------------------------------===//
void ArraySubscriptExpr::dump_impl() const {
Base->dump();
std::cerr << "[";
Idx->dump();
std::cerr << "]";
}
CallExpr::CallExpr(Expr *fn, Expr **args, unsigned numargs)
: Fn(fn), NumArgs(numargs) {
Args = new Expr*[numargs];
for (unsigned i = 0; i != numargs; ++i)
Args[i] = args[i];
}
void CallExpr::dump_impl() const {
Fn->dump();
std::cerr << "(";
for (unsigned i = 0, e = getNumArgs(); i != e; ++i) {
if (i) std::cerr << ", ";
getArg(i)->dump();
}
std::cerr << ")";
}
CallExprLOC::CallExprLOC(Expr *Fn, SourceLocation lparenloc, Expr **Args,
unsigned NumArgs, SourceLocation *commalocs,
SourceLocation rparenloc)
: CallExpr(Fn, Args, NumArgs), LParenLoc(lparenloc), RParenLoc(rparenloc) {
unsigned NumCommas = getNumCommas();
if (NumCommas)
CommaLocs = new SourceLocation[NumCommas];
else
CommaLocs = 0;
for (unsigned i = 0; i != NumCommas; ++i)
CommaLocs[i] = commalocs[i];
}
void MemberExpr::dump_impl() const {
Base->dump();
std::cerr << (isArrow ? "->" : ".");
if (MemberDecl)
/*TODO: Print MemberDecl*/;
std::cerr << "member";
}
void CastExpr::dump_impl() const {
std::cerr << "'('";
// TODO PRINT TYPE
std::cerr << "<type>";
std::cerr << "')'";
Op->dump();
}
/// getOpcodeStr - Turn an Opcode enum value into the punctuation char it
/// corresponds to, e.g. "<<=".
const char *BinaryOperator::getOpcodeStr(Opcode Op) {
switch (Op) {
default: assert(0 && "Unknown binary operator");
case Mul: return "*";
case Div: return "/";
case Rem: return "%";
case Add: return "+";
case Sub: return "-";
case Shl: return "<<";
case Shr: return ">>";
case LT: return "<";
case GT: return ">";
case LE: return "<=";
case GE: return ">=";
case EQ: return "==";
case NE: return "!=";
case And: return "&";
case Xor: return "^";
case Or: return "|";
case LAnd: return "&&";
case LOr: return "||";
case Assign: return "=";
case MulAssign: return "*=";
case DivAssign: return "/=";
case RemAssign: return "%=";
case AddAssign: return "+=";
case SubAssign: return "-=";
case ShlAssign: return "<<=";
case ShrAssign: return ">>=";
case AndAssign: return "&=";
case XorAssign: return "^=";
case OrAssign: return "|=";
case Comma: return ",";
}
}
void BinaryOperator::dump_impl() const {
LHS->dump();
std::cerr << " " << getOpcodeStr(Opc) << " ";
RHS->dump();
}
void ConditionalOperator::dump_impl() const {
Cond->dump();
std::cerr << " ? ";
LHS->dump();
std::cerr << " : ";
RHS->dump();
}
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