mwilliams
84 linhas
2.5 KiB
C++
84 linhas
2.5 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/throw_statement.h>
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using namespace HPHP;
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///////////////////////////////////////////////////////////////////////////////
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// constructors/destructors
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ThrowStatement::ThrowStatement
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(STATEMENT_CONSTRUCTOR_PARAMETERS, ExpressionPtr exp)
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: Statement(STATEMENT_CONSTRUCTOR_PARAMETER_VALUES(ThrowStatement)),
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m_exp(exp) {
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}
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StatementPtr ThrowStatement::clone() {
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ThrowStatementPtr stmt(new ThrowStatement(*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 ThrowStatement::analyzeProgram(AnalysisResultPtr ar) {
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m_exp->analyzeProgram(ar);
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}
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ConstructPtr ThrowStatement::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 ThrowStatement::getKidCount() const {
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return 1;
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}
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void ThrowStatement::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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void ThrowStatement::inferTypes(AnalysisResultPtr ar) {
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m_exp->inferAndCheck(ar, Type::Object, false);
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}
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///////////////////////////////////////////////////////////////////////////////
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// code generation functions
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void ThrowStatement::outputPHP(CodeGenerator &cg, AnalysisResultPtr ar) {
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cg_printf("throw ");
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m_exp->outputPHP(cg, ar);
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cg_printf(";\n");
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}
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