aalexandre
26178124a4
This concludes the inttypes replacement. These replacement have been mostly mechanical with the use of cxx_replace.
122 linhas
3.4 KiB
C++
122 linhas
3.4 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#include <compiler/statement/break_statement.h>
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#include <runtime/base/complex_types.h>
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using namespace HPHP;
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///////////////////////////////////////////////////////////////////////////////
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// constructors/destructors
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BreakStatement::BreakStatement
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(STATEMENT_CONSTRUCTOR_BASE_PARAMETERS, ExpressionPtr exp)
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: Statement(STATEMENT_CONSTRUCTOR_BASE_PARAMETER_VALUES),
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m_exp(exp) {
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m_name = "break";
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}
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BreakStatement::BreakStatement
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(STATEMENT_CONSTRUCTOR_PARAMETERS, ExpressionPtr exp)
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: Statement(STATEMENT_CONSTRUCTOR_PARAMETER_VALUES(BreakStatement)),
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m_exp(exp) {
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m_name = "break";
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}
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StatementPtr BreakStatement::clone() {
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BreakStatementPtr stmt(new BreakStatement(*this));
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stmt->m_exp = Clone(m_exp);
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return stmt;
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}
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///////////////////////////////////////////////////////////////////////////////
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// parser functions
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///////////////////////////////////////////////////////////////////////////////
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// static analysis functions
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void BreakStatement::analyzeProgram(AnalysisResultPtr ar) {
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if (m_exp) m_exp->analyzeProgram(ar);
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}
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ConstructPtr BreakStatement::getNthKid(int n) const {
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switch (n) {
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case 0:
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return m_exp;
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default:
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assert(false);
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break;
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}
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return ConstructPtr();
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}
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int BreakStatement::getKidCount() const {
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return 1;
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}
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void BreakStatement::setNthKid(int n, ConstructPtr cp) {
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switch (n) {
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case 0:
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m_exp = boost::dynamic_pointer_cast<Expression>(cp);
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break;
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default:
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assert(false);
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break;
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}
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}
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ExpressionPtr BreakStatement::getExp() {
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return m_exp;
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}
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StatementPtr BreakStatement::preOptimize(AnalysisResultConstPtr ar) {
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Variant v;
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// break/continue 1 => break/continue;
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if (m_exp && m_exp->getScalarValue(v) &&
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v.isInteger() && v.toInt64() == 1) {
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m_exp = ExpressionPtr();
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}
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return StatementPtr();
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}
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void BreakStatement::inferTypes(AnalysisResultPtr ar) {
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if (m_exp) m_exp->inferAndCheck(ar, Type::Int64, false);
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}
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///////////////////////////////////////////////////////////////////////////////
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// code generation functions
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void BreakStatement::outputPHP(CodeGenerator &cg, AnalysisResultPtr ar) {
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if (m_exp) {
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cg_printf("%s ", m_name);
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m_exp->outputPHP(cg, ar);
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cg_printf(";\n");
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} else {
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cg_printf("%s;\n", m_name);
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}
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}
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int64_t BreakStatement::getDepth() {
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if (!m_exp) return 1;
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Variant v;
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if (m_exp->getScalarValue(v) &&
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v.isInteger()) {
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int64_t depth = v.toInt64();
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return depth >= 1 ? depth : 1;
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}
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return 0;
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}
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