llvm-project/clang/AST/Stmt.cpp

83 lines
2.2 KiB
C++

//===--- Stmt.cpp - Statement 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 Stmt class and statement subclasses.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/Stmt.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/Lex/IdentifierTable.h"
using namespace llvm;
using namespace clang;
// Implement all the AST node visit methods using the StmtNodes.def database.
#define STMT(N, CLASS, PARENT) \
void CLASS::visit(StmtVisitor &V) { return V.Visit##CLASS(this); }
STMT(0, Stmt, )
#include "clang/AST/StmtNodes.def"
static struct StmtClassNameTable {
int enumValue;
const char *className;
unsigned counter;
unsigned size;
} sNames[] = {
#define STMT(N, CLASS, PARENT) { N, #CLASS, 0, sizeof(CLASS) },
#include "clang/AST/StmtNodes.def"
{ 0, 0, 0, 0 }
};
const char *Stmt::getStmtClassName() const {
for (int i = 0; sNames[i].className; i++) {
if (sClass == sNames[i].enumValue)
return sNames[i].className;
}
return 0; // should never happen....
}
void Stmt::PrintStats() {
unsigned sum = 0;
fprintf(stderr, "*** Stmt/Expr Stats:\n");
for (int i = 0; sNames[i].className; i++) {
sum += sNames[i].counter;
}
fprintf(stderr, " %d stmts/exprs total.\n", sum);
sum = 0;
for (int i = 0; sNames[i].className; i++) {
fprintf(stderr, " %d %s, %d each (%d bytes)\n",
sNames[i].counter, sNames[i].className, sNames[i].size, sNames[i].counter*sNames[i].size);
sum += sNames[i].counter*sNames[i].size;
}
fprintf(stderr, "Total bytes = %d\n", sum);
}
void Stmt::addStmtClass(StmtClass s) {
for (int i = 0; sNames[i].className; i++) {
if (s == sNames[i].enumValue)
sNames[i].counter++;
}
}
static bool StatSwitch = false;
bool Stmt::CollectingStats(bool enable) {
if (enable) StatSwitch = true;
return StatSwitch;
}
const char *LabelStmt::getName() const {
return getID()->getName();
}