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Code Issues Wiki Activity

Bug 217043 - ContentAssist: Position cursor behind ')' if method has no arguments, patch by Jens Elementhaler

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This commit is contained in:
Anton Leherbauer 2008-12-18 08:26:32 +00:00
parent 33d0e3da07
commit 8fcdbb9e32
3 changed files with 50 additions and 9 deletions
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28
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ast/ASTTypeUtil.java
View file

@ -44,6 +44,7 @@ import org.eclipse.cdt.internal.core.dom.parser.c.ICInternalBinding;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPASTTypeId;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPInternalBinding;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.CPPVisitor;
import org.eclipse.cdt.internal.core.dom.parser.cpp.semantics.SemanticUtil;
/**
* This is a utility class to help convert AST elements to Strings corresponding to the
@ -76,6 +77,33 @@ public class ASTTypeUtil {
result.append(Keywords.cpRPAREN);
return result.toString();
}
/**
* @return Whether the function matching the given function binding takes
* parameters or not.
* @throws DOMException
*
* @since 5.1
*/
public static boolean functionTakesParameters(IFunction function)
throws DOMException {
IParameter[] parameters = function.getParameters();
if (parameters.length == 0) {
return false;
} else if (parameters.length == 1) {
IType ultimateType = SemanticUtil
.getUltimateTypeViaTypedefs(parameters[0].getType());
if (ultimateType instanceof IBasicType) {
if (((IBasicType) ultimateType).getType() == IBasicType.t_void) {
return false;
}
}
}
return true;
}
/**
* Returns a string representation for the type array. The representation is

22
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/contentassist/DOMCompletionProposalComputer.java
View file

@ -238,7 +238,11 @@ public class DOMCompletionProposalComputer extends ParsingBasedProposalComputer
CCompletionProposal proposal = createProposal(repString, descString, prefix.length(), image, baseRelevance + RelevanceConstants.MACRO_TYPE_RELEVANCE, context);
if (!context.isContextInformationStyle()) {
proposal.setCursorPosition(repString.length() - 1);
if (argString.length() > 0) {
proposal.setCursorPosition(repString.length() - 1);
} else {
proposal.setCursorPosition(repString.length());
}
}
if (argString.length() > 0) {
@ -336,8 +340,9 @@ public class DOMCompletionProposalComputer extends ParsingBasedProposalComputer
repStringBuff.append(function.getName());
repStringBuff.append('(');
StringBuilder dispargs = new StringBuilder(); // for the displayString
StringBuilder idargs = new StringBuilder(); // for the idString
StringBuilder dispargs = new StringBuilder(); // for the dispargString
StringBuilder idargs = new StringBuilder(); // for the idargString
boolean hasArgs = true;
String returnTypeStr = null;
try {
IParameter[] params = function.getParameters();
@ -376,12 +381,14 @@ public class DOMCompletionProposalComputer extends ParsingBasedProposalComputer
if (returnType != null)
returnTypeStr = ASTTypeUtil.getType(returnType, false);
}
hasArgs = ASTTypeUtil.functionTakesParameters(function);
} catch (DOMException e) {
}
String dispargString = dispargs.toString();
String idargString = idargs.toString();
String contextDispargString = hasArgs ? dispargString : null;
StringBuilder dispStringBuff = new StringBuilder(repStringBuff.toString());
dispStringBuff.append(dispargString);
dispStringBuff.append(')');
@ -402,11 +409,12 @@ public class DOMCompletionProposalComputer extends ParsingBasedProposalComputer
final int relevance = function instanceof ICPPMethod ? RelevanceConstants.METHOD_TYPE_RELEVANCE : RelevanceConstants.FUNCTION_TYPE_RELEVANCE;
CCompletionProposal proposal = createProposal(repString, dispString, idString, context.getCompletionNode().getLength(), image, baseRelevance + relevance, context);
if (!context.isContextInformationStyle()) {
proposal.setCursorPosition(repString.length() - 1);
int cursorPosition = hasArgs ? (repString.length() - 1) : repString.length();
proposal.setCursorPosition(cursorPosition);
}
if (dispargString.length() > 0) {
CProposalContextInformation info = new CProposalContextInformation(image, dispString, dispargString);
if (contextDispargString != null) {
CProposalContextInformation info = new CProposalContextInformation(image, dispString, contextDispargString);
info.setContextInformationPosition(context.getContextInformationOffset());
proposal.setContextInformation(info);
}

9
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/text/contentassist/HelpCompletionProposalComputer.java
View file

@ -110,8 +110,13 @@ public class HelpCompletionProposalComputer extends ParsingBasedProposalComputer
}
if (!cContext.isContextInformationStyle()) {
// set the cursor before the closing bracket
proposal.setCursorPosition(fname.length() - 1);
if (fargs != null && fargs.length() > 0) {
// set the cursor before the closing bracket
proposal.setCursorPosition(fname.length() - 1);
} else {
// set the cursor behind the closing bracked
proposal.setCursorPosition(fname.length());
}
}
if (fargs != null && fargs.length() > 0) {