Tim Starling
124 linhas
4.2 KiB
C++
124 linhas
4.2 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010-2013 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 "hphp/compiler/statement/trait_prec_statement.h"
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#include "hphp/compiler/statement/statement_list.h"
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#include "hphp/compiler/statement/class_statement.h"
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#include "hphp/compiler/statement/method_statement.h"
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#include "hphp/compiler/expression/expression_list.h"
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#include "hphp/compiler/analysis/class_scope.h"
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using namespace HPHP;
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///////////////////////////////////////////////////////////////////////////////
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// constructors/destructors
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TraitPrecStatement::TraitPrecStatement(STATEMENT_CONSTRUCTOR_PARAMETERS,
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ScalarExpressionPtr expTraitName,
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ScalarExpressionPtr expMethodName,
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ExpressionListPtr expOtherTraitNames)
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: Statement(STATEMENT_CONSTRUCTOR_PARAMETER_VALUES(TraitPrecStatement)),
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m_traitName(expTraitName), m_methodName(expMethodName),
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m_otherTraitNames(expOtherTraitNames) {
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}
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StatementPtr TraitPrecStatement::clone() {
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TraitPrecStatementPtr new_stmt(new TraitPrecStatement(*this));
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new_stmt->m_traitName = Clone(m_traitName);
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new_stmt->m_methodName = Clone(m_methodName);
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new_stmt->m_otherTraitNames = Clone(m_otherTraitNames);
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return new_stmt;
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}
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void TraitPrecStatement::getOtherTraitNames(std::set<string> &namesSet) const {
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vector<string> namesVec;
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m_otherTraitNames->getStrings(namesVec);
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for (unsigned int i = 0; i < namesVec.size(); i++) {
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namesVec[i] = Util::toLower(namesVec[i]);
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}
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namesSet.clear();
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namesSet.insert(namesVec.begin(), namesVec.end());
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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 TraitPrecStatement::analyzeProgram(AnalysisResultPtr ar) {
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// Analyze children
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m_traitName->analyzeProgram(ar);
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m_methodName->analyzeProgram(ar);
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for (int i = 0; i < m_otherTraitNames->getCount(); i++) {
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(*m_otherTraitNames)[i]->analyzeProgram(ar);
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}
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}
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ConstructPtr TraitPrecStatement::getNthKid(int n) const {
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switch (n) {
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case 0:
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return m_traitName;
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case 1:
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return m_methodName;
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case 2:
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return m_otherTraitNames;
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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 TraitPrecStatement::getKidCount() const {
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return 3;
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}
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void TraitPrecStatement::setNthKid(int n, ConstructPtr cp) {
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switch (n) {
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case 0:
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m_traitName = boost::dynamic_pointer_cast<ScalarExpression>(cp);
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break;
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case 1:
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m_methodName = boost::dynamic_pointer_cast<ScalarExpression>(cp);
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break;
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case 2:
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m_otherTraitNames = boost::dynamic_pointer_cast<ExpressionList>(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 TraitPrecStatement::inferTypes(AnalysisResultPtr ar) {
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}
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///////////////////////////////////////////////////////////////////////////////
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// code generation functions
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void TraitPrecStatement::outputPHP(CodeGenerator &cg, AnalysisResultPtr ar) {
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m_traitName->outputPHP(cg, ar);
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cg_printf("::");
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m_methodName->outputPHP(cg, ar);
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cg_printf(" insteadof ");
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for (int i = 0; i < m_otherTraitNames->getCount(); i++) {
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if (i > 0) cg_printf(", ");
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(*m_otherTraitNames)[i]->outputPHP(cg, ar);
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}
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cg_printf(";\n");
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}
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