Arquivos
hhvm/hphp/compiler/statement/break_statement.cpp
T
aalexandre 26178124a4 Eliminate int32, uint32, int16, uint16, int8, uint8.
This concludes the inttypes replacement.
These replacement have been mostly mechanical
with the use of cxx_replace.
2013-03-09 10:25:16 -08:00

122 linhas
3.4 KiB
C++

/*
+----------------------------------------------------------------------+
| HipHop for PHP |
+----------------------------------------------------------------------+
| Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
*/
#include <compiler/statement/break_statement.h>
#include <runtime/base/complex_types.h>
using namespace HPHP;
///////////////////////////////////////////////////////////////////////////////
// constructors/destructors
BreakStatement::BreakStatement
(STATEMENT_CONSTRUCTOR_BASE_PARAMETERS, ExpressionPtr exp)
: Statement(STATEMENT_CONSTRUCTOR_BASE_PARAMETER_VALUES),
m_exp(exp) {
m_name = "break";
}
BreakStatement::BreakStatement
(STATEMENT_CONSTRUCTOR_PARAMETERS, ExpressionPtr exp)
: Statement(STATEMENT_CONSTRUCTOR_PARAMETER_VALUES(BreakStatement)),
m_exp(exp) {
m_name = "break";
}
StatementPtr BreakStatement::clone() {
BreakStatementPtr stmt(new BreakStatement(*this));
stmt->m_exp = Clone(m_exp);
return stmt;
}
///////////////////////////////////////////////////////////////////////////////
// parser functions
///////////////////////////////////////////////////////////////////////////////
// static analysis functions
void BreakStatement::analyzeProgram(AnalysisResultPtr ar) {
if (m_exp) m_exp->analyzeProgram(ar);
}
ConstructPtr BreakStatement::getNthKid(int n) const {
switch (n) {
case 0:
return m_exp;
default:
assert(false);
break;
}
return ConstructPtr();
}
int BreakStatement::getKidCount() const {
return 1;
}
void BreakStatement::setNthKid(int n, ConstructPtr cp) {
switch (n) {
case 0:
m_exp = boost::dynamic_pointer_cast<Expression>(cp);
break;
default:
assert(false);
break;
}
}
ExpressionPtr BreakStatement::getExp() {
return m_exp;
}
StatementPtr BreakStatement::preOptimize(AnalysisResultConstPtr ar) {
Variant v;
// break/continue 1 => break/continue;
if (m_exp && m_exp->getScalarValue(v) &&
v.isInteger() && v.toInt64() == 1) {
m_exp = ExpressionPtr();
}
return StatementPtr();
}
void BreakStatement::inferTypes(AnalysisResultPtr ar) {
if (m_exp) m_exp->inferAndCheck(ar, Type::Int64, false);
}
///////////////////////////////////////////////////////////////////////////////
// code generation functions
void BreakStatement::outputPHP(CodeGenerator &cg, AnalysisResultPtr ar) {
if (m_exp) {
cg_printf("%s ", m_name);
m_exp->outputPHP(cg, ar);
cg_printf(";\n");
} else {
cg_printf("%s;\n", m_name);
}
}
int64_t BreakStatement::getDepth() {
if (!m_exp) return 1;
Variant v;
if (m_exp->getScalarValue(v) &&
v.isInteger()) {
int64_t depth = v.toInt64();
return depth >= 1 ? depth : 1;
}
return 0;
}