Arquivos
hhvm/hphp/compiler/statement/finally_statement.cpp
T
Jordan Delong 363d1bb20f Code move src/ -> hphp/
This change is mostly for FB internal organizational reasons.
Building is not effected beyond the fact that the target now
lands in hphp/hhvm/hhvm rather than src/hhvm/hhvm.
2013-02-11 02:10:41 -08:00

119 linhas
3.6 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/finally_statement.h>
#include <compiler/statement/statement_list.h>
#include <compiler/analysis/function_scope.h>
using namespace HPHP;
///////////////////////////////////////////////////////////////////////////////
// constructors/destructors
FinallyStatement::FinallyStatement
(STATEMENT_CONSTRUCTOR_PARAMETERS,
StatementPtr finallyStmt)
: Statement(STATEMENT_CONSTRUCTOR_PARAMETER_VALUES(FinallyStatement)),
m_stmt(finallyStmt) {
}
StatementPtr FinallyStatement::clone() {
FinallyStatementPtr stmt(new FinallyStatement(*this));
stmt->m_stmt = Clone(m_stmt);
return stmt;
}
int FinallyStatement::getRecursiveCount() const {
return (m_stmt ? m_stmt->getRecursiveCount() : 0);
}
///////////////////////////////////////////////////////////////////////////////
// parser functions
///////////////////////////////////////////////////////////////////////////////
// static analysis functions
void FinallyStatement::analyzeProgram(AnalysisResultPtr ar) {
if (m_stmt) m_stmt->analyzeProgram(ar);
if (ar->getPhase() == AnalysisResult::AnalyzeAll) {
FunctionScopeRawPtr fs = getFunctionScope();
if (fs) fs->setHasTry();
}
}
bool FinallyStatement::hasDecl() const {
return (m_stmt && m_stmt->hasDecl());
}
bool FinallyStatement::hasRetExp() const {
return (m_stmt && m_stmt->hasRetExp());
}
ConstructPtr FinallyStatement::getNthKid(int n) const {
switch (n) {
case 0:
return m_stmt;
default:
assert(false);
break;
}
return ConstructPtr();
}
int FinallyStatement::getKidCount() const {
return 1;
}
void FinallyStatement::setNthKid(int n, ConstructPtr cp) {
switch (n) {
case 0:
m_stmt = boost::dynamic_pointer_cast<Statement>(cp);
break;
default:
assert(false);
break;
}
}
void FinallyStatement::inferTypes(AnalysisResultPtr ar) {
if (m_stmt) m_stmt->inferTypes(ar);
}
///////////////////////////////////////////////////////////////////////////////
// code generation functions
void FinallyStatement::outputPHP(CodeGenerator &cg, AnalysisResultPtr ar) {
cg_indentBegin("/*finally here we go {\n");
if (m_stmt) m_stmt->outputPHP(cg, ar);
cg_indentEnd("}");
cg_printf("\n*/");
}
void FinallyStatement::outputCPPImpl(CodeGenerator &cg, AnalysisResultPtr ar) {
cg_indentBegin("try {\n");
if (m_stmt) {
m_stmt->outputCPP(cg, ar);
}
cg_indentEnd("}");
cg_indentBegin(" catch (Object e) {\n");
cg_indentBegin("if (has_exception) {\n");
cg_printf("static_cast<c_Exception*>(e.get())->t_setpreviouschain(exception);\n");
cg_indentEnd("}\n");
cg_printf("exception = e;\n");
cg_printf("has_exception = true;\n");
cg_indentEnd("}\n");
}