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-rwxr-xr-xtools/aidl/AST.cpp867
1 files changed, 867 insertions, 0 deletions
diff --git a/tools/aidl/AST.cpp b/tools/aidl/AST.cpp
new file mode 100755
index 0000000..91802a9
--- /dev/null
+++ b/tools/aidl/AST.cpp
@@ -0,0 +1,867 @@
+#include "AST.h"
+#include "Type.h"
+
+void
+WriteModifiers(FILE* to, int mod, int mask)
+{
+ int m = mod & mask;
+
+ if ((m & SCOPE_MASK) == PUBLIC) {
+ fprintf(to, "public ");
+ }
+ else if ((m & SCOPE_MASK) == PRIVATE) {
+ fprintf(to, "private ");
+ }
+ else if ((m & SCOPE_MASK) == PROTECTED) {
+ fprintf(to, "protected ");
+ }
+
+ if (m & STATIC) {
+ fprintf(to, "static ");
+ }
+
+ if (m & FINAL) {
+ fprintf(to, "final ");
+ }
+
+ if (m & ABSTRACT) {
+ fprintf(to, "abstract ");
+ }
+}
+
+void
+WriteArgumentList(FILE* to, const vector<Expression*>& arguments)
+{
+ size_t N = arguments.size();
+ for (size_t i=0; i<N; i++) {
+ arguments[i]->Write(to);
+ if (i != N-1) {
+ fprintf(to, ", ");
+ }
+ }
+}
+
+ClassElement::ClassElement()
+{
+}
+
+ClassElement::~ClassElement()
+{
+}
+
+Field::Field()
+ :ClassElement(),
+ modifiers(0),
+ variable(NULL)
+{
+}
+
+Field::Field(int m, Variable* v)
+ :ClassElement(),
+ modifiers(m),
+ variable(v)
+{
+}
+
+Field::~Field()
+{
+}
+
+void
+Field::GatherTypes(set<Type*>* types) const
+{
+ types->insert(this->variable->type);
+}
+
+void
+Field::Write(FILE* to)
+{
+ if (this->comment.length() != 0) {
+ fprintf(to, "%s\n", this->comment.c_str());
+ }
+ WriteModifiers(to, this->modifiers, SCOPE_MASK | STATIC | FINAL);
+ fprintf(to, "%s %s", this->variable->type->QualifiedName().c_str(),
+ this->variable->name.c_str());
+ if (this->value.length() != 0) {
+ fprintf(to, " = %s", this->value.c_str());
+ }
+ fprintf(to, ";\n");
+}
+
+Expression::~Expression()
+{
+}
+
+LiteralExpression::LiteralExpression(const string& v)
+ :value(v)
+{
+}
+
+LiteralExpression::~LiteralExpression()
+{
+}
+
+void
+LiteralExpression::Write(FILE* to)
+{
+ fprintf(to, "%s", this->value.c_str());
+}
+
+Variable::Variable()
+ :type(NULL),
+ name(),
+ dimension(0)
+{
+}
+
+Variable::Variable(Type* t, const string& n)
+ :type(t),
+ name(n),
+ dimension(0)
+{
+}
+
+Variable::Variable(Type* t, const string& n, int d)
+ :type(t),
+ name(n),
+ dimension(d)
+{
+}
+
+Variable::~Variable()
+{
+}
+
+void
+Variable::GatherTypes(set<Type*>* types) const
+{
+ types->insert(this->type);
+}
+
+void
+Variable::WriteDeclaration(FILE* to)
+{
+ string dim;
+ for (int i=0; i<this->dimension; i++) {
+ dim += "[]";
+ }
+ fprintf(to, "%s%s %s", this->type->QualifiedName().c_str(), dim.c_str(),
+ this->name.c_str());
+}
+
+void
+Variable::Write(FILE* to)
+{
+ fprintf(to, "%s", name.c_str());
+}
+
+FieldVariable::FieldVariable(Expression* o, const string& n)
+ :object(o),
+ clazz(NULL),
+ name(n)
+{
+}
+
+FieldVariable::FieldVariable(Type* c, const string& n)
+ :object(NULL),
+ clazz(c),
+ name(n)
+{
+}
+
+FieldVariable::~FieldVariable()
+{
+}
+
+void
+FieldVariable::Write(FILE* to)
+{
+ if (this->object != NULL) {
+ this->object->Write(to);
+ }
+ else if (this->clazz != NULL) {
+ fprintf(to, "%s", this->clazz->QualifiedName().c_str());
+ }
+ fprintf(to, ".%s", name.c_str());
+}
+
+
+Statement::~Statement()
+{
+}
+
+StatementBlock::StatementBlock()
+{
+}
+
+StatementBlock::~StatementBlock()
+{
+}
+
+void
+StatementBlock::Write(FILE* to)
+{
+ fprintf(to, "{\n");
+ int N = this->statements.size();
+ for (int i=0; i<N; i++) {
+ this->statements[i]->Write(to);
+ }
+ fprintf(to, "}\n");
+}
+
+void
+StatementBlock::Add(Statement* statement)
+{
+ this->statements.push_back(statement);
+}
+
+void
+StatementBlock::Add(Expression* expression)
+{
+ this->statements.push_back(new ExpressionStatement(expression));
+}
+
+ExpressionStatement::ExpressionStatement(Expression* e)
+ :expression(e)
+{
+}
+
+ExpressionStatement::~ExpressionStatement()
+{
+}
+
+void
+ExpressionStatement::Write(FILE* to)
+{
+ this->expression->Write(to);
+ fprintf(to, ";\n");
+}
+
+Assignment::Assignment(Variable* l, Expression* r)
+ :lvalue(l),
+ rvalue(r),
+ cast(NULL)
+{
+}
+
+Assignment::Assignment(Variable* l, Expression* r, Type* c)
+ :lvalue(l),
+ rvalue(r),
+ cast(c)
+{
+}
+
+Assignment::~Assignment()
+{
+}
+
+void
+Assignment::Write(FILE* to)
+{
+ this->lvalue->Write(to);
+ fprintf(to, " = ");
+ if (this->cast != NULL) {
+ fprintf(to, "(%s)", this->cast->QualifiedName().c_str());
+ }
+ this->rvalue->Write(to);
+}
+
+MethodCall::MethodCall(const string& n)
+ :obj(NULL),
+ clazz(NULL),
+ name(n)
+{
+}
+
+MethodCall::MethodCall(Expression* o, const string& n)
+ :obj(o),
+ clazz(NULL),
+ name(n)
+{
+}
+
+MethodCall::MethodCall(Type* t, const string& n)
+ :obj(NULL),
+ clazz(t),
+ name(n)
+{
+}
+
+MethodCall::MethodCall(Expression* o, const string& n, int argc = 0, ...)
+ :obj(o),
+ clazz(NULL),
+ name(n)
+{
+ va_list args;
+ va_start(args, argc);
+ init(argc, args);
+ va_end(args);
+}
+
+MethodCall::MethodCall(Type* t, const string& n, int argc = 0, ...)
+ :obj(NULL),
+ clazz(t),
+ name(n)
+{
+ va_list args;
+ va_start(args, argc);
+ init(argc, args);
+ va_end(args);
+}
+
+MethodCall::~MethodCall()
+{
+}
+
+void
+MethodCall::init(int n, va_list args)
+{
+ for (int i=0; i<n; i++) {
+ Expression* expression = (Expression*)va_arg(args, void*);
+ this->arguments.push_back(expression);
+ }
+}
+
+void
+MethodCall::Write(FILE* to)
+{
+ if (this->obj != NULL) {
+ this->obj->Write(to);
+ fprintf(to, ".");
+ }
+ else if (this->clazz != NULL) {
+ fprintf(to, "%s.", this->clazz->QualifiedName().c_str());
+ }
+ fprintf(to, "%s(", this->name.c_str());
+ WriteArgumentList(to, this->arguments);
+ fprintf(to, ")");
+}
+
+Comparison::Comparison(Expression* l, const string& o, Expression* r)
+ :lvalue(l),
+ op(o),
+ rvalue(r)
+{
+}
+
+Comparison::~Comparison()
+{
+}
+
+void
+Comparison::Write(FILE* to)
+{
+ fprintf(to, "(");
+ this->lvalue->Write(to);
+ fprintf(to, "%s", this->op.c_str());
+ this->rvalue->Write(to);
+ fprintf(to, ")");
+}
+
+NewExpression::NewExpression(Type* t)
+ :type(t)
+{
+}
+
+NewExpression::~NewExpression()
+{
+}
+
+void
+NewExpression::Write(FILE* to)
+{
+ fprintf(to, "new %s(", this->type->InstantiableName().c_str());
+ WriteArgumentList(to, this->arguments);
+ fprintf(to, ")");
+}
+
+NewArrayExpression::NewArrayExpression(Type* t, Expression* s)
+ :type(t),
+ size(s)
+{
+}
+
+NewArrayExpression::~NewArrayExpression()
+{
+}
+
+void
+NewArrayExpression::Write(FILE* to)
+{
+ fprintf(to, "new %s[", this->type->QualifiedName().c_str());
+ size->Write(to);
+ fprintf(to, "]");
+}
+
+Ternary::Ternary()
+ :condition(NULL),
+ ifpart(NULL),
+ elsepart(NULL)
+{
+}
+
+Ternary::Ternary(Expression* a, Expression* b, Expression* c)
+ :condition(a),
+ ifpart(b),
+ elsepart(c)
+{
+}
+
+Ternary::~Ternary()
+{
+}
+
+void
+Ternary::Write(FILE* to)
+{
+ fprintf(to, "((");
+ this->condition->Write(to);
+ fprintf(to, ")?(");
+ this->ifpart->Write(to);
+ fprintf(to, "):(");
+ this->elsepart->Write(to);
+ fprintf(to, "))");
+}
+
+Cast::Cast()
+ :type(NULL),
+ expression(NULL)
+{
+}
+
+Cast::Cast(Type* t, Expression* e)
+ :type(t),
+ expression(e)
+{
+}
+
+Cast::~Cast()
+{
+}
+
+void
+Cast::Write(FILE* to)
+{
+ fprintf(to, "((%s)", this->type->QualifiedName().c_str());
+ expression->Write(to);
+ fprintf(to, ")");
+}
+
+VariableDeclaration::VariableDeclaration(Variable* l, Expression* r, Type* c)
+ :lvalue(l),
+ cast(c),
+ rvalue(r)
+{
+}
+
+VariableDeclaration::VariableDeclaration(Variable* l)
+ :lvalue(l),
+ cast(NULL),
+ rvalue(NULL)
+{
+}
+
+VariableDeclaration::~VariableDeclaration()
+{
+}
+
+void
+VariableDeclaration::Write(FILE* to)
+{
+ this->lvalue->WriteDeclaration(to);
+ if (this->rvalue != NULL) {
+ fprintf(to, " = ");
+ if (this->cast != NULL) {
+ fprintf(to, "(%s)", this->cast->QualifiedName().c_str());
+ }
+ this->rvalue->Write(to);
+ }
+ fprintf(to, ";\n");
+}
+
+IfStatement::IfStatement()
+ :expression(NULL),
+ statements(new StatementBlock),
+ elseif(NULL)
+{
+}
+
+IfStatement::~IfStatement()
+{
+}
+
+void
+IfStatement::Write(FILE* to)
+{
+ if (this->expression != NULL) {
+ fprintf(to, "if (");
+ this->expression->Write(to);
+ fprintf(to, ") ");
+ }
+ this->statements->Write(to);
+ if (this->elseif != NULL) {
+ fprintf(to, "else ");
+ this->elseif->Write(to);
+ }
+}
+
+ReturnStatement::ReturnStatement(Expression* e)
+ :expression(e)
+{
+}
+
+ReturnStatement::~ReturnStatement()
+{
+}
+
+void
+ReturnStatement::Write(FILE* to)
+{
+ fprintf(to, "return ");
+ this->expression->Write(to);
+ fprintf(to, ";\n");
+}
+
+TryStatement::TryStatement()
+ :statements(new StatementBlock)
+{
+}
+
+TryStatement::~TryStatement()
+{
+}
+
+void
+TryStatement::Write(FILE* to)
+{
+ fprintf(to, "try ");
+ this->statements->Write(to);
+}
+
+CatchStatement::CatchStatement(Variable* e)
+ :statements(new StatementBlock),
+ exception(e)
+{
+}
+
+CatchStatement::~CatchStatement()
+{
+}
+
+void
+CatchStatement::Write(FILE* to)
+{
+ fprintf(to, "catch ");
+ if (this->exception != NULL) {
+ fprintf(to, "(");
+ this->exception->WriteDeclaration(to);
+ fprintf(to, ") ");
+ }
+ this->statements->Write(to);
+}
+
+FinallyStatement::FinallyStatement()
+ :statements(new StatementBlock)
+{
+}
+
+FinallyStatement::~FinallyStatement()
+{
+}
+
+void
+FinallyStatement::Write(FILE* to)
+{
+ fprintf(to, "finally ");
+ this->statements->Write(to);
+}
+
+Case::Case()
+ :statements(new StatementBlock)
+{
+}
+
+Case::Case(const string& c)
+ :statements(new StatementBlock)
+{
+ cases.push_back(c);
+}
+
+Case::~Case()
+{
+}
+
+void
+Case::Write(FILE* to)
+{
+ int N = this->cases.size();
+ if (N > 0) {
+ for (int i=0; i<N; i++) {
+ string s = this->cases[i];
+ if (s.length() != 0) {
+ fprintf(to, "case %s:\n", s.c_str());
+ } else {
+ fprintf(to, "default:\n");
+ }
+ }
+ } else {
+ fprintf(to, "default:\n");
+ }
+ statements->Write(to);
+}
+
+SwitchStatement::SwitchStatement(Expression* e)
+ :expression(e)
+{
+}
+
+SwitchStatement::~SwitchStatement()
+{
+}
+
+void
+SwitchStatement::Write(FILE* to)
+{
+ fprintf(to, "switch (");
+ this->expression->Write(to);
+ fprintf(to, ")\n{\n");
+ int N = this->cases.size();
+ for (int i=0; i<N; i++) {
+ this->cases[i]->Write(to);
+ }
+ fprintf(to, "}\n");
+}
+
+Method::Method()
+ :ClassElement(),
+ modifiers(0),
+ returnType(NULL), // (NULL means constructor)
+ returnTypeDimension(0),
+ statements(NULL)
+{
+}
+
+Method::~Method()
+{
+}
+
+void
+Method::GatherTypes(set<Type*>* types) const
+{
+ size_t N, i;
+
+ if (this->returnType) {
+ types->insert(this->returnType);
+ }
+
+ N = this->parameters.size();
+ for (i=0; i<N; i++) {
+ this->parameters[i]->GatherTypes(types);
+ }
+
+ N = this->exceptions.size();
+ for (i=0; i<N; i++) {
+ types->insert(this->exceptions[i]);
+ }
+}
+
+void
+Method::Write(FILE* to)
+{
+ size_t N, i;
+
+ if (this->comment.length() != 0) {
+ fprintf(to, "%s\n", this->comment.c_str());
+ }
+
+ WriteModifiers(to, this->modifiers, SCOPE_MASK | STATIC | FINAL);
+
+ if (this->returnType != NULL) {
+ string dim;
+ for (i=0; i<this->returnTypeDimension; i++) {
+ dim += "[]";
+ }
+ fprintf(to, "%s%s ", this->returnType->QualifiedName().c_str(),
+ dim.c_str());
+ }
+
+ fprintf(to, "%s(", this->name.c_str());
+
+ N = this->parameters.size();
+ for (i=0; i<N; i++) {
+ this->parameters[i]->WriteDeclaration(to);
+ if (i != N-1) {
+ fprintf(to, ", ");
+ }
+ }
+
+ fprintf(to, ")");
+
+ N = this->exceptions.size();
+ for (i=0; i<N; i++) {
+ if (i == 0) {
+ fprintf(to, " throws ");
+ } else {
+ fprintf(to, ", ");
+ }
+ fprintf(to, "%s", this->exceptions[i]->QualifiedName().c_str());
+ }
+
+ if (this->statements == NULL) {
+ fprintf(to, ";\n");
+ } else {
+ fprintf(to, "\n");
+ this->statements->Write(to);
+ }
+}
+
+Class::Class()
+ :modifiers(0),
+ what(CLASS),
+ type(NULL),
+ extends(NULL)
+{
+}
+
+Class::~Class()
+{
+}
+
+void
+Class::GatherTypes(set<Type*>* types) const
+{
+ int N, i;
+
+ types->insert(this->type);
+ if (this->extends != NULL) {
+ types->insert(this->extends);
+ }
+
+ N = this->interfaces.size();
+ for (i=0; i<N; i++) {
+ types->insert(this->interfaces[i]);
+ }
+
+ N = this->elements.size();
+ for (i=0; i<N; i++) {
+ this->elements[i]->GatherTypes(types);
+ }
+}
+
+void
+Class::Write(FILE* to)
+{
+ size_t N, i;
+
+ if (this->comment.length() != 0) {
+ fprintf(to, "%s\n", this->comment.c_str());
+ }
+
+ WriteModifiers(to, this->modifiers, ALL_MODIFIERS);
+
+ if (this->what == Class::CLASS) {
+ fprintf(to, "class ");
+ } else {
+ fprintf(to, "interface ");
+ }
+
+ string name = this->type->Name();
+ size_t pos = name.rfind('.');
+ if (pos != string::npos) {
+ name = name.c_str() + pos + 1;
+ }
+
+ fprintf(to, "%s", name.c_str());
+
+ if (this->extends != NULL) {
+ fprintf(to, " extends %s", this->extends->QualifiedName().c_str());
+ }
+
+ N = this->interfaces.size();
+ if (N != 0) {
+ if (this->what == Class::CLASS) {
+ fprintf(to, " implements");
+ } else {
+ fprintf(to, " extends");
+ }
+ for (i=0; i<N; i++) {
+ fprintf(to, " %s", this->interfaces[i]->QualifiedName().c_str());
+ }
+ }
+
+ fprintf(to, "\n");
+ fprintf(to, "{\n");
+
+ N = this->elements.size();
+ for (i=0; i<N; i++) {
+ this->elements[i]->Write(to);
+ }
+
+ fprintf(to, "}\n");
+
+}
+
+Document::Document()
+{
+}
+
+Document::~Document()
+{
+}
+
+static string
+escape_backslashes(const string& str)
+{
+ string result;
+ const size_t I=str.length();
+ for (size_t i=0; i<I; i++) {
+ char c = str[i];
+ if (c == '\\') {
+ result += "\\\\";
+ } else {
+ result += c;
+ }
+ }
+ return result;
+}
+
+void
+Document::Write(FILE* to)
+{
+ size_t N, i;
+
+ if (this->comment.length() != 0) {
+ fprintf(to, "%s\n", this->comment.c_str());
+ }
+ fprintf(to, "/*\n"
+ " * This file is auto-generated. DO NOT MODIFY.\n"
+ " * Original file: %s\n"
+ " */\n", escape_backslashes(this->originalSrc).c_str());
+ if (this->package.length() != 0) {
+ fprintf(to, "package %s;\n", this->package.c_str());
+ }
+
+ // gather the types for the import statements
+ set<Type*> types;
+ N = this->classes.size();
+ for (i=0; i<N; i++) {
+ Class* c = this->classes[i];
+ c->GatherTypes(&types);
+ }
+
+ set<Type*>::iterator it;
+ for (it=types.begin(); it!=types.end(); it++) {
+ Type* t = *it;
+ string pkg = t->Package();
+ if (pkg.length() != 0 && pkg != this->package) {
+ fprintf(to, "import %s;\n", t->ImportType().c_str());
+ }
+ }
+
+ N = this->classes.size();
+ for (i=0; i<N; i++) {
+ Class* c = this->classes[i];
+ c->Write(to);
+ }
+}
+