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Added more attributes to the duplicate checker.

This commit is contained in:
Matthew Brennan Jones 2014-05-24 18:24:37 -07:00
parent be02c872b5
commit fad096cdff
2 changed files with 38 additions and 24 deletions
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61
analysis/duplicate_attribute.d
View File

@ -12,11 +12,10 @@ import std.d.lexer;
import analysis.base;
import analysis.helpers;
// FIXME: Make it work with @safe, @trusted, @system
// FIXME: Make it work with pure, nothrow
/**
* Checks for duplicate attributes such as @property
* Checks for duplicate attributes such as @property, @safe, @trusted, @system
*/
class DuplicateAttributeCheck : BaseAnalyzer
{
@ -36,6 +35,9 @@ class DuplicateAttributeCheck : BaseAnalyzer
void checkAttributes(const Declaration node)
{
bool hasProperty = false;
bool hasSafe = false;
bool hasTrusted = false;
bool hasSystem = false;
// Check the attributes
foreach (attribute; node.attributes)
@ -47,9 +49,12 @@ class DuplicateAttributeCheck : BaseAnalyzer
|| attribute.storageClass.atAttribute.identifier is Token.init)
continue;
// Is a property
// Check for the attributes
auto iden = attribute.storageClass.atAttribute.identifier;
checkProperty(iden, hasProperty);
checkDuplicateAttribute(iden, "property", hasProperty);
checkDuplicateAttribute(iden, "safe", hasSafe);
checkDuplicateAttribute(iden, "trusted", hasTrusted);
checkDuplicateAttribute(iden, "system", hasSystem);
}
// Just return if missing function nodes
@ -66,56 +71,64 @@ class DuplicateAttributeCheck : BaseAnalyzer
|| memberFunctionAttribute.atAttribute.identifier is Token.init)
continue;
// Is a property
// Check for the attributes
auto iden = memberFunctionAttribute.atAttribute.identifier;
checkProperty(iden, hasProperty);
checkDuplicateAttribute(iden, "property", hasProperty);
checkDuplicateAttribute(iden, "safe", hasSafe);
checkDuplicateAttribute(iden, "trusted", hasTrusted);
checkDuplicateAttribute(iden, "system", hasSystem);
}
}
void checkProperty(const Token iden, ref bool hasProperty)
void checkDuplicateAttribute(const Token token, const string attributeName, ref bool hasAttribute)
{
// Just return if not a property
if (!isProperty(iden))
// Just return if not an attribute
if (token.type != tok!"identifier"
|| token.text != attributeName)
return;
// Already has a property
if (hasProperty)
// Already has that attribute
if (hasAttribute)
{
string message = "The attribute '%s' is duplicated.".format(iden.text);
addErrorMessage(iden.line, iden.column, message);
string message = "The attribute '%s' is duplicated.".format(token.text);
addErrorMessage(token.line, token.column, message);
}
// Mark it as a property
hasProperty = true;
// Mark it as having that attribute
hasAttribute = true;
}
}
bool isProperty(const Token token) pure
{
return token.type == tok!"identifier" && token.text == "property";
}
unittest
{
assertAnalyzerWarnings(q{
class CAllocator
class ExampleAttributes
{
@property bool xxx() // ok
@property @safe bool xxx() // ok
{
return false;
}
// Duplicate before
@property @property bool aaa() // [warn]: The attribute 'property' is duplicated.
{
return false;
}
bool bbb() @property @property // [warn]: The attribute 'property' is duplicated.
// Duplicate after
bool bbb() @safe @safe // [warn]: The attribute 'safe' is duplicated.
{
return false;
}
@property bool ccc() @property // [warn]: The attribute 'property' is duplicated.
// Duplicate before and after
@system bool ccc() @system // [warn]: The attribute 'system' is duplicated.
{
return false;
}
// Duplicate before and after
@trusted bool ddd() @trusted // [warn]: The attribute 'trusted' is duplicated.
{
return false;
}

1
analysis/helpers.d
View File

@ -8,6 +8,7 @@ module analysis.helpers;
import std.string;
import std.traits;
import std.d.ast;
import analysis.run;
S between(S)(S value, S before, S after)