Use a CompletionRequest in the expression command completion [NFC]
The patch was originally written before we had a CompletionRequest, so it still used a StringList to pass back the completions to the request. llvm-svn: 341124
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@ -10,6 +10,7 @@
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#ifndef liblldb_ExpressionParser_h_
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#define liblldb_ExpressionParser_h_
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#include "lldb/Utility/CompletionRequest.h"
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#include "lldb/Utility/Status.h"
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#include "lldb/lldb-private-enumerations.h"
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#include "lldb/lldb-public.h"
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@ -53,8 +54,8 @@ public:
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/// Attempts to find possible command line completions for the given
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/// expression.
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///
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/// @param[out] matches
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/// The list of completions that should be appended with string
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/// @param[out] request
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/// The completion request to fill out. The completion should be a string
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/// that would complete the current token at the cursor position.
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/// Note that the string in the list replaces the current token
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/// in the command line.
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@ -81,7 +82,7 @@ public:
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/// True if we added any completion results to the output;
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/// false otherwise.
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//------------------------------------------------------------------
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virtual bool Complete(StringList &matches, unsigned line, unsigned pos,
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virtual bool Complete(CompletionRequest &request, unsigned line, unsigned pos,
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unsigned typed_pos) = 0;
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//------------------------------------------------------------------
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@ -121,7 +121,7 @@ public:
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/// True if we added any completion results to the output;
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/// false otherwise.
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//------------------------------------------------------------------
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virtual bool Complete(ExecutionContext &exe_ctx, StringList &matches,
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virtual bool Complete(ExecutionContext &exe_ctx, CompletionRequest &request,
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unsigned complete_pos) {
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return false;
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}
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@ -369,9 +369,7 @@ int CommandObjectExpression::HandleCompletion(CompletionRequest &request) {
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if (error.Fail())
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return 0;
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StringList matches;
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expr->Complete(exe_ctx, matches, cursor_pos);
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request.AddCompletions(matches);
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expr->Complete(exe_ctx, request, cursor_pos);
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return request.GetNumberOfMatches();
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}
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@ -563,7 +563,7 @@ class CodeComplete : public CodeCompleteConsumer {
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std::string m_expr;
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unsigned m_position = 0;
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StringList &m_matches;
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CompletionRequest &m_request;
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/// Returns true if the given character can be used in an identifier.
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/// This also returns true for numbers because for completion we usually
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@ -638,10 +638,10 @@ public:
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/// @param[out] position
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/// The character position of the user cursor in the `expr` parameter.
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///
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CodeComplete(StringList &matches, std::string expr, unsigned position)
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CodeComplete(CompletionRequest &request, std::string expr, unsigned position)
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: CodeCompleteConsumer(CodeCompleteOptions(), false),
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m_info(std::make_shared<GlobalCodeCompletionAllocator>()), m_expr(expr),
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m_position(position), m_matches(matches) {}
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m_position(position), m_request(request) {}
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/// Deregisters and destroys this code-completion consumer.
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virtual ~CodeComplete() {}
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@ -735,7 +735,7 @@ public:
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// with the kind of result the lldb API expects.
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std::string CompletionSuggestion =
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mergeCompletion(m_expr, m_position, ToInsert);
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m_matches.AppendString(CompletionSuggestion);
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m_request.AddCompletion(CompletionSuggestion);
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}
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}
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}
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@ -763,7 +763,7 @@ public:
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};
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} // namespace
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bool ClangExpressionParser::Complete(StringList &matches, unsigned line,
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bool ClangExpressionParser::Complete(CompletionRequest &request, unsigned line,
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unsigned pos, unsigned typed_pos) {
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DiagnosticManager mgr;
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// We need the raw user expression here because that's what the CodeComplete
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@ -773,7 +773,7 @@ bool ClangExpressionParser::Complete(StringList &matches, unsigned line,
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// the LLVMUserExpression which exposes the right API. This should never fail
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// as we always have a ClangUserExpression whenever we call this.
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LLVMUserExpression &llvm_expr = *static_cast<LLVMUserExpression *>(&m_expr);
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CodeComplete CC(matches, llvm_expr.GetUserText(), typed_pos);
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CodeComplete CC(request, llvm_expr.GetUserText(), typed_pos);
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// We don't need a code generator for parsing.
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m_code_generator.reset();
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// Start parsing the expression with our custom code completion consumer.
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@ -62,7 +62,7 @@ public:
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//------------------------------------------------------------------
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~ClangExpressionParser() override;
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bool Complete(StringList &matches, unsigned line, unsigned pos,
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bool Complete(CompletionRequest &request, unsigned line, unsigned pos,
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unsigned typed_pos) override;
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//------------------------------------------------------------------
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@ -643,7 +643,8 @@ static void AbsPosToLineColumnPos(unsigned abs_pos, llvm::StringRef code,
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}
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bool ClangUserExpression::Complete(ExecutionContext &exe_ctx,
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StringList &matches, unsigned complete_pos) {
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CompletionRequest &request,
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unsigned complete_pos) {
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
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// We don't want any visible feedback when completing an expression. Mostly
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@ -709,7 +710,7 @@ bool ClangUserExpression::Complete(ExecutionContext &exe_ctx,
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// The actual column where we have to complete is the start column of the
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// user expression + the offset inside the user code that we were given.
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const unsigned completion_column = user_expr_column + complete_pos;
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parser.Complete(matches, user_expr_line, completion_column, complete_pos);
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parser.Complete(request, user_expr_line, completion_column, complete_pos);
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return true;
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}
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@ -143,7 +143,7 @@ public:
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lldb_private::ExecutionPolicy execution_policy,
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bool keep_result_in_memory, bool generate_debug_info) override;
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bool Complete(ExecutionContext &exe_ctx, StringList &matches,
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bool Complete(ExecutionContext &exe_ctx, CompletionRequest &request,
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unsigned complete_pos) override;
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ExpressionTypeSystemHelper *GetTypeSystemHelper() override {
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