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Removed the ExpressionListAST node.

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Done with Erik Verbruggen
This commit is contained in:
Roberto Raggi
2009-11-10 11:13:57 +01:00
parent 9e7ff0469b
commit 4089c906fa
11 changed files with 82 additions and 154 deletions
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58
src/shared/cplusplus/AST.cpp
View File

@@ -100,10 +100,9 @@ unsigned AttributeAST::lastToken() const
if (rparen_token)
return rparen_token + 1;
for (ExpressionListAST *it = expression_list;
it->expression && it->next; it = it->next) {
if (! it->next && it->expression) {
return it->expression->lastToken();
for (ExpressionListAST *it = expression_list; it->value && it->next; it = it->next) {
if (! it->next && it->value) {
return it->value->lastToken();
}
}
@@ -174,8 +173,8 @@ unsigned ArrayInitializerAST::lastToken() const
return rbrace_token + 1;
for (ExpressionListAST *it = expression_list; it; it = it->next) {
if (! it->next && it->expression)
return it->expression->lastToken();
if (! it->next && it->value)
return it->value->lastToken();
}
return lbrace_token + 1;
@@ -304,8 +303,8 @@ unsigned CallAST::lastToken() const
if (rparen_token)
return rparen_token + 1;
for (ExpressionListAST *it = expression_list; it; it = it->next) {
if (! it->next && it->expression)
return it->expression->lastToken();
if (! it->next && it->value)
return it->value->lastToken();
}
return lparen_token + 1;
}
@@ -643,9 +642,6 @@ unsigned DeclaratorIdAST::lastToken() const
unsigned DeclaratorListAST::firstToken() const
{
if (comma_token)
return comma_token;
return declarator->firstToken();
}
@@ -655,8 +651,6 @@ unsigned DeclaratorListAST::lastToken() const
if (! it->next) {
if (it->declarator)
return it->declarator->lastToken();
else if (it->comma_token)
return it->comma_token + 1;
}
}
@@ -818,8 +812,8 @@ unsigned ExceptionSpecificationAST::lastToken() const
return rparen_token + 1;
for (ExpressionListAST *it = type_ids; it; it = it->next) {
if (! it->next && it->expression)
return it->expression->lastToken();
if (! it->next && it->value)
return it->value->lastToken();
}
if (dot_dot_dot_token)
@@ -830,22 +824,6 @@ unsigned ExceptionSpecificationAST::lastToken() const
return throw_token + 1;
}
unsigned ExpressionListAST::firstToken() const
{
return expression->firstToken();
}
unsigned ExpressionListAST::lastToken() const
{
for (const ExpressionListAST *it = this; it; it = it->next) {
if (! it->next)
return it->expression->lastToken();
}
return 0;
}
unsigned ExpressionOrDeclarationStatementAST::firstToken() const
{
return declaration->firstToken();
@@ -1908,8 +1886,8 @@ unsigned IdentifierListAST::firstToken() const
{
if (name)
return name->firstToken();
else
return comma_token;
// ### assert?
return 0;
}
unsigned IdentifierListAST::lastToken() const
@@ -2264,8 +2242,6 @@ unsigned ObjCPropertyAttributeListAST::firstToken() const
{
if (attr)
return attr->firstToken();
else if (comma_token)
return comma_token;
else if (next)
return next->lastToken();
else
@@ -2276,12 +2252,8 @@ unsigned ObjCPropertyAttributeListAST::firstToken() const
unsigned ObjCPropertyAttributeListAST::lastToken() const
{
for (const ObjCPropertyAttributeListAST *it = this; it; it = it->next) {
if (! it->next && (comma_token || it->attr)) {
if (comma_token)
return comma_token + 1;
else
return it->attr->lastToken();
}
if (! it->next && it->attr)
return it->attr->lastToken();
}
// ### assert?
return 0;
@@ -2407,8 +2379,8 @@ unsigned ObjCSynthesizedPropertyListAST::firstToken() const
{
if (synthesized_property)
return synthesized_property->firstToken();
else
return comma_token;
// ### assert?
return 0;
}
unsigned ObjCSynthesizedPropertyListAST::lastToken() const

64
src/shared/cplusplus/AST.h
View File

@@ -53,11 +53,10 @@
#include "ASTfwd.h"
#include "MemoryPool.h"
namespace CPlusPlus {
template <typename _Tp>
class List: public Managed
class CPLUSPLUS_EXPORT List: public Managed
{
List(const List &other);
void operator =(const List &other);
@@ -67,6 +66,28 @@ public:
: value(_Tp()), next(0)
{ }
unsigned firstToken() const
{
if (value)
return value->firstToken();
// ### assert(0);
return 0;
}
unsigned lastToken() const
{
unsigned token = 0;
for (const List *it = this; it; it = it->next) {
if (it->value)
token = it->value->lastToken();
}
// assert(token != 0);
return token;
}
_Tp value;
List *next;
};
@@ -85,6 +106,13 @@ public:
static void accept(AST *ast, ASTVisitor *visitor)
{ if (ast) ast->accept(visitor); }
template <typename _Tp>
static void accept(List<_Tp> *it, ASTVisitor *visitor)
{
for (; it; it = it->next)
accept(it->value, visitor);
}
virtual unsigned firstToken() const = 0;
virtual unsigned lastToken() const = 0;
@@ -129,7 +157,6 @@ public:
virtual ExceptionDeclarationAST *asExceptionDeclaration() { return 0; }
virtual ExceptionSpecificationAST *asExceptionSpecification() { return 0; }
virtual ExpressionAST *asExpression() { return 0; }
virtual ExpressionListAST *asExpressionList() { return 0; }
virtual ExpressionOrDeclarationStatementAST *asExpressionOrDeclarationStatement() { return 0; }
virtual ExpressionStatementAST *asExpressionStatement() { return 0; }
virtual ForStatementAST *asForStatement() { return 0; }
@@ -288,7 +315,6 @@ public:
ExpressionListAST *expression_list;
unsigned rparen_token;
AttributeAST *next;
unsigned comma_token;
public:
virtual AttributeAST *asAttribute() { return this; }
@@ -322,21 +348,18 @@ class CPLUSPLUS_EXPORT StatementAST: public AST
{
public:
virtual StatementAST *asStatement() { return this; }
};
class CPLUSPLUS_EXPORT ExpressionAST: public AST
{
public:
virtual ExpressionAST *asExpression() { return this; }
};
class CPLUSPLUS_EXPORT DeclarationAST: public AST
{
public:
virtual DeclarationAST *asDeclaration() { return this; }
};
class CPLUSPLUS_EXPORT DeclarationListAST: public AST
@@ -359,7 +382,6 @@ class CPLUSPLUS_EXPORT CoreDeclaratorAST: public AST
{
public:
virtual CoreDeclaratorAST *asCoreDeclarator() { return this; }
};
class CPLUSPLUS_EXPORT PostfixDeclaratorAST: public AST
@@ -369,7 +391,6 @@ public:
public:
virtual PostfixDeclaratorAST *asPostfixDeclarator() { return this; }
};
class CPLUSPLUS_EXPORT DeclaratorAST: public AST
@@ -393,23 +414,6 @@ protected:
virtual void accept0(ASTVisitor *visitor);
};
class CPLUSPLUS_EXPORT ExpressionListAST: public AST
{
public:
unsigned comma_token;
ExpressionAST *expression;
ExpressionListAST *next;
public:
virtual ExpressionListAST *asExpressionList() { return this; }
virtual unsigned firstToken() const;
virtual unsigned lastToken() const;
protected:
virtual void accept0(ASTVisitor *visitor);
};
class CPLUSPLUS_EXPORT SimpleDeclarationAST: public DeclarationAST
{
public:
@@ -487,7 +491,6 @@ protected:
class CPLUSPLUS_EXPORT BaseSpecifierAST: public AST
{
public:
unsigned comma_token;
unsigned virtual_token;
unsigned access_specifier_token;
NameAST *name;
@@ -818,7 +821,6 @@ protected:
class CPLUSPLUS_EXPORT DeclaratorListAST: public AST
{
public:
unsigned comma_token;
DeclaratorAST *declarator;
DeclaratorListAST *next;
@@ -925,7 +927,6 @@ protected:
class CPLUSPLUS_EXPORT EnumeratorAST: public AST
{
public:
unsigned comma_token;
unsigned identifier_token;
unsigned equal_token;
ExpressionAST *expression;
@@ -1178,7 +1179,6 @@ protected:
class CPLUSPLUS_EXPORT MemInitializerAST: public AST
{
public:
unsigned comma_token;
NameAST *name;
unsigned lparen_token;
ExpressionAST *expression;
@@ -1902,7 +1902,6 @@ protected:
class CPLUSPLUS_EXPORT TemplateArgumentListAST: public AST
{
public:
unsigned comma_token;
ExpressionAST *template_argument;
TemplateArgumentListAST *next;
@@ -2155,7 +2154,6 @@ class CPLUSPLUS_EXPORT IdentifierListAST: public AST
{
public:
NameAST *name;
unsigned comma_token;
IdentifierListAST *next;
public:
@@ -2525,7 +2523,6 @@ class CPLUSPLUS_EXPORT ObjCPropertyAttributeListAST: public AST
{
public:
ObjCPropertyAttributeAST *attr;
unsigned comma_token;
ObjCPropertyAttributeListAST *next;
public:
@@ -2655,7 +2652,6 @@ class CPLUSPLUS_EXPORT ObjCSynthesizedPropertyListAST: public AST
{
public:
ObjCSynthesizedPropertyAST *synthesized_property;
unsigned comma_token;
ObjCSynthesizedPropertyListAST *next;
public:

8
src/shared/cplusplus/ASTVisit.cpp
View File

@@ -90,14 +90,6 @@ void DeclaratorAST::accept0(ASTVisitor *visitor)
visitor->endVisit(this);
}
void ExpressionListAST::accept0(ASTVisitor *visitor)
{
if (visitor->visit(this)) {
accept(expression, visitor);
}
visitor->endVisit(this);
}
void SimpleDeclarationAST::accept0(ASTVisitor *visitor)
{
if (visitor->visit(this)) {

2
src/shared/cplusplus/ASTVisitor.h
View File

@@ -131,7 +131,6 @@ public:
virtual bool visit(EnumeratorAST *) { return true; }
virtual bool visit(ExceptionDeclarationAST *) { return true; }
virtual bool visit(ExceptionSpecificationAST *) { return true; }
virtual bool visit(ExpressionListAST *) { return true; }
virtual bool visit(ExpressionOrDeclarationStatementAST *) { return true; }
virtual bool visit(ExpressionStatementAST *) { return true; }
virtual bool visit(ForeachStatementAST *) { return true; }
@@ -269,7 +268,6 @@ public:
virtual void endVisit(EnumeratorAST *) { }
virtual void endVisit(ExceptionDeclarationAST *) { }
virtual void endVisit(ExceptionSpecificationAST *) { }
virtual void endVisit(ExpressionListAST *) { }
virtual void endVisit(ExpressionOrDeclarationStatementAST *) { }
virtual void endVisit(ExpressionStatementAST *) { }
virtual void endVisit(ForeachStatementAST *) { }

6
src/shared/cplusplus/ASTfwd.h
View File

@@ -53,6 +53,8 @@
namespace CPlusPlus {
template <typename _Tp> class List;
class AST;
class ASTVisitor;
@@ -97,7 +99,6 @@ class EnumeratorAST;
class ExceptionDeclarationAST;
class ExceptionSpecificationAST;
class ExpressionAST;
class ExpressionListAST;
class ExpressionOrDeclarationStatementAST;
class ExpressionStatementAST;
class ForStatementAST;
@@ -200,6 +201,9 @@ class UsingAST;
class UsingDirectiveAST;
class WhileStatementAST;
typedef List<ExpressionAST *> ExpressionListAST;
} // end of namespace CPlusPlus

18
src/shared/cplusplus/CheckExpression.cpp
View File

@@ -100,14 +100,6 @@ Scope *CheckExpression::switchScope(Scope *scope)
return previousScope;
}
bool CheckExpression::visit(ExpressionListAST *ast)
{
for (ExpressionListAST *it = ast; it; it = it->next) {
FullySpecifiedType exprTy = semantic()->check(it->expression, _scope);
}
return false;
}
bool CheckExpression::visit(BinaryExpressionAST *ast)
{
FullySpecifiedType leftExprTy = semantic()->check(ast->left_expression, _scope);
@@ -161,7 +153,7 @@ bool CheckExpression::visit(DeleteExpressionAST *ast)
bool CheckExpression::visit(ArrayInitializerAST *ast)
{
for (ExpressionListAST *it = ast->expression_list; it; it = it->next) {
FullySpecifiedType exprTy = semantic()->check(it->expression, _scope);
FullySpecifiedType exprTy = semantic()->check(it->value, _scope);
}
return false;
}
@@ -206,7 +198,7 @@ bool CheckExpression::visit(NewExpressionAST *ast)
{
if (ast->new_placement) {
for (ExpressionListAST *it = ast->new_placement->expression_list; it; it = it->next) {
FullySpecifiedType exprTy = semantic()->check(it->expression, _scope);
FullySpecifiedType exprTy = semantic()->check(it->value, _scope);
}
}
@@ -239,7 +231,7 @@ bool CheckExpression::visit(TypenameCallExpressionAST *ast)
(void) semantic()->check(ast->name, _scope);
for (ExpressionListAST *it = ast->expression_list; it; it = it->next) {
FullySpecifiedType exprTy = semantic()->check(it->expression, _scope);
FullySpecifiedType exprTy = semantic()->check(it->value, _scope);
(void) exprTy;
}
return false;
@@ -249,7 +241,7 @@ bool CheckExpression::visit(TypeConstructorCallAST *ast)
{
FullySpecifiedType typeSpecTy = semantic()->check(ast->type_specifier, _scope);
for (ExpressionListAST *it = ast->expression_list; it; it = it->next) {
FullySpecifiedType exprTy = semantic()->check(it->expression, _scope);
FullySpecifiedType exprTy = semantic()->check(it->value, _scope);
}
return false;
}
@@ -350,7 +342,7 @@ bool CheckExpression::visit(CompoundLiteralAST *ast)
bool CheckExpression::visit(CallAST *ast)
{
for (ExpressionListAST *it = ast->expression_list; it; it = it->next) {
FullySpecifiedType exprTy = semantic()->check(it->expression, _scope);
FullySpecifiedType exprTy = semantic()->check(it->value, _scope);
}
return false;
}

1
src/shared/cplusplus/CheckExpression.h
View File

@@ -71,7 +71,6 @@ protected:
using ASTVisitor::visit;
virtual bool visit(ExpressionListAST *ast);
virtual bool visit(BinaryExpressionAST *ast);
virtual bool visit(CastExpressionAST *ast);
virtual bool visit(ConditionAST *ast);

61
src/shared/cplusplus/Parser.cpp
View File

@@ -719,11 +719,10 @@ bool Parser::parseTemplateArgumentList(TemplateArgumentListAST *&node)
(*template_argument_ptr)->template_argument = template_argument;
template_argument_ptr = &(*template_argument_ptr)->next;
while (LA() == T_COMMA) {
unsigned comma_token = consumeToken();
consumeToken(); // consume T_COMMA
if (parseTemplateArgument(template_argument)) {
*template_argument_ptr = new (_pool) TemplateArgumentListAST;
(*template_argument_ptr)->comma_token = comma_token;
(*template_argument_ptr)->template_argument = template_argument;
template_argument_ptr = &(*template_argument_ptr)->next;
}
@@ -1320,7 +1319,6 @@ bool Parser::parseEnumSpecifier(SpecifierAST *&node)
}
if (parseEnumerator(*enumerator_ptr)) {
(*enumerator_ptr)->comma_token = comma_token;
enumerator_ptr = &(*enumerator_ptr)->next;
}
@@ -1791,12 +1789,10 @@ bool Parser::parseBaseClause(BaseSpecifierAST *&node)
ast = &(*ast)->next;
while (LA() == T_COMMA) {
unsigned comma_token = consumeToken();
consumeToken(); // consume T_COMMA
if (parseBaseSpecifier(*ast)) {
(*ast)->comma_token = comma_token;
if (parseBaseSpecifier(*ast))
ast = &(*ast)->next;
}
}
}
@@ -1825,12 +1821,10 @@ bool Parser::parseMemInitializerList(MemInitializerAST *&node)
if (parseMemInitializer(*initializer)) {
initializer = &(*initializer)->next;
while (LA() == T_COMMA) {
unsigned comma_token = consumeToken();
consumeToken(); // consume T_COMMA
if (parseMemInitializer(*initializer)) {
(*initializer)->comma_token = comma_token;
if (parseMemInitializer(*initializer))
initializer = &(*initializer)->next;
}
}
return true;
}
@@ -1861,14 +1855,14 @@ bool Parser::parseTypeIdList(ExpressionListAST *&node)
ExpressionAST *typeId = 0;
if (parseTypeId(typeId)) {
*expression_list_ptr = new (_pool) ExpressionListAST;
(*expression_list_ptr)->expression = typeId;
(*expression_list_ptr)->value = typeId;
expression_list_ptr = &(*expression_list_ptr)->next;
while (LA() == T_COMMA) {
consumeToken();
if (parseTypeId(typeId)) {
*expression_list_ptr = new (_pool) ExpressionListAST;
(*expression_list_ptr)->expression = typeId;
(*expression_list_ptr)->value = typeId;
expression_list_ptr = &(*expression_list_ptr)->next;
}
}
@@ -1885,15 +1879,14 @@ bool Parser::parseExpressionList(ExpressionListAST *&node)
ExpressionAST *expression = 0;
if (parseAssignmentExpression(expression)) {
*expression_list_ptr = new (_pool) ExpressionListAST;
(*expression_list_ptr)->expression = expression;
(*expression_list_ptr)->value = expression;
expression_list_ptr = &(*expression_list_ptr)->next;
while (LA() == T_COMMA) {
unsigned comma_token = consumeToken();
consumeToken(); // consume T_COMMA
if (parseExpression(expression)) {
*expression_list_ptr = new (_pool) ExpressionListAST;
(*expression_list_ptr)->comma_token = comma_token;
(*expression_list_ptr)->expression = expression;
(*expression_list_ptr)->value = expression;
expression_list_ptr = &(*expression_list_ptr)->next;
}
}
@@ -1936,15 +1929,14 @@ bool Parser::parseInitializerList(ExpressionListAST *&node)
ExpressionAST *initializer = 0;
if (parseInitializerClause(initializer)) {
*initializer_ptr = new (_pool) ExpressionListAST;
(*initializer_ptr)->expression = initializer;
(*initializer_ptr)->value = initializer;
initializer_ptr = &(*initializer_ptr)->next;
while (LA() == T_COMMA) {
unsigned comma_token = consumeToken();
consumeToken(); // consume T_COMMA
initializer = 0;
parseInitializerClause(initializer);
*initializer_ptr = new (_pool) ExpressionListAST;
(*initializer_ptr)->comma_token = comma_token;
(*initializer_ptr)->expression = initializer;
(*initializer_ptr)->value = initializer;
initializer_ptr = &(*initializer_ptr)->next;
}
}
@@ -2695,10 +2687,8 @@ bool Parser::parseAttributeList(AttributeAST *&node)
ast->lparen_token = consumeToken();
if (LA() == T_IDENTIFIER && (LA(2) == T_COMMA || LA(2) == T_RPAREN)) {
ast->tag_token = consumeToken();
if (LA() == T_COMMA) {
ast->comma_token = consumeToken();
if (LA() == T_COMMA)
parseExpressionList(ast->expression_list);
}
} else {
parseExpressionList(ast->expression_list);
}
@@ -2865,11 +2855,11 @@ bool Parser::parseSimpleDeclaration(DeclarationAST *&node,
if (LA() == T_COMMA || LA() == T_SEMICOLON || has_complex_type_specifier) {
while (LA() == T_COMMA) {
unsigned comma_token = consumeToken();
consumeToken(); // consume T_COMMA
declarator = 0;
if (parseInitDeclarator(declarator, acceptStructDeclarator)) {
*declarator_ptr = new (_pool) DeclaratorListAST;
(*declarator_ptr)->comma_token = comma_token;
(*declarator_ptr)->declarator = declarator;
declarator_ptr = &(*declarator_ptr)->next;
}
@@ -4314,11 +4304,10 @@ bool Parser::parseObjCClassForwardDeclaration(DeclarationAST *&node)
IdentifierListAST **nextId = &(ast->identifier_list->next);
while (LA() == T_COMMA) {
unsigned comma_token = consumeToken();
consumeToken(); // consume T_COMMA
match(T_IDENTIFIER, &identifier_token);
*nextId = new (_pool) IdentifierListAST;
(*nextId)->comma_token = comma_token;
name = new (_pool) SimpleNameAST;
name->identifier_token = identifier_token;
(*nextId)->name = name;
@@ -4465,11 +4454,10 @@ bool Parser::parseObjCProtocol(DeclarationAST *&node,
IdentifierListAST **nextId = &(ast->identifier_list->next);
while (LA() == T_COMMA) {
unsigned comma_token = consumeToken();
consumeToken(); // consume T_COMMA
match(T_IDENTIFIER, &identifier_token);
*nextId = new (_pool) IdentifierListAST;
(*nextId)->comma_token = comma_token;
name = new (_pool) SimpleNameAST;
name->identifier_token = identifier_token;
(*nextId)->name = name;
@@ -4599,7 +4587,8 @@ bool Parser::parseObjCMethodDefinitionList(DeclarationListAST *&node)
}
while (LA() == T_COMMA) {
last->comma_token = consumeToken();
consumeToken(); // consume T_COMMA
last->next = new (_pool) ObjCSynthesizedPropertyListAST;
last = last->next;
@@ -4629,11 +4618,12 @@ bool Parser::parseObjCMethodDefinitionList(DeclarationListAST *&node)
IdentifierListAST *last = ast->property_identifiers;
while (LA() == T_COMMA) {
last->comma_token = consumeToken();
consumeToken(); // consume T_COMMA
last->next = new (_pool) IdentifierListAST;
last = last->next;
name = new (_pool) SimpleNameAST;
match(T_IDENTIFIER, &(name->identifier_token));
match(T_IDENTIFIER, &name->identifier_token);
last->name = name;
}
@@ -4713,11 +4703,10 @@ bool Parser::parseObjCProtocolRefs(ObjCProtocolRefsAST *&node)
IdentifierListAST **nextId = &(ast->identifier_list->next);
while (LA() == T_COMMA) {
unsigned comma_token = consumeToken();
consumeToken(); // consume T_COMMA
match(T_IDENTIFIER, &identifier_token);
*nextId = new (_pool) IdentifierListAST;
(*nextId)->comma_token = comma_token;
name = new (_pool) SimpleNameAST;
name->identifier_token = identifier_token;
(*nextId)->name = name;
@@ -4860,7 +4849,7 @@ bool Parser::parseObjCPropertyDeclaration(DeclarationAST *&node, SpecifierAST *a
ObjCPropertyAttributeListAST *last = ast->property_attributes;
while (LA() == T_COMMA) {
last->comma_token = consumeToken();
consumeToken(); // consume T_COMMA
last->next = new (_pool) ObjCPropertyAttributeListAST;
last = last->next;
if (!parseObjCPropertyAttribute(last->attr)) {