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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cmd
import (
"context"
"flag"
"fmt"
"golang.org/x/tools/gopls/internal/lsp/protocol"
"golang.org/x/tools/gopls/internal/lsp/source"
"golang.org/x/tools/internal/tool"
)
// workspaceSymbol implements the workspace_symbol verb for gopls.
type workspaceSymbol struct {
Matcher string `flag:"matcher" help:"specifies the type of matcher: fuzzy, caseSensitive, or caseInsensitive.\nThe default is caseInsensitive."`
app *Application
}
func (r *workspaceSymbol) Name() string { return "workspace_symbol" }
func (r *workspaceSymbol) Parent() string { return r.app.Name() }
func (r *workspaceSymbol) Usage() string { return "[workspace_symbol-flags] <query>" }
func (r *workspaceSymbol) ShortHelp() string { return "search symbols in workspace" }
func (r *workspaceSymbol) DetailedHelp(f *flag.FlagSet) {
fmt.Fprint(f.Output(), `
Example:
$ gopls workspace_symbol -matcher fuzzy 'wsymbols'
workspace_symbol-flags:
`)
printFlagDefaults(f)
}
func (r *workspaceSymbol) Run(ctx context.Context, args ...string) error {
if len(args) != 1 {
return tool.CommandLineErrorf("workspace_symbol expects 1 argument")
}
opts := r.app.options
r.app.options = func(o *source.Options) {
if opts != nil {
opts(o)
}
switch r.Matcher {
case "fuzzy":
o.SymbolMatcher = source.SymbolFuzzy
case "caseSensitive":
o.SymbolMatcher = source.SymbolCaseSensitive
case "fastfuzzy":
o.SymbolMatcher = source.SymbolFastFuzzy
default:
o.SymbolMatcher = source.SymbolCaseInsensitive
}
}
conn, err := r.app.connect(ctx)
if err != nil {
return err
}
defer conn.terminate(ctx)
p := protocol.WorkspaceSymbolParams{
Query: args[0],
}
symbols, err := conn.Symbol(ctx, &p)
if err != nil {
return err
}
for _, s := range symbols {
f := conn.openFile(ctx, fileURI(s.Location.URI))
span, err := f.mapper.LocationSpan(s.Location)
if err != nil {
return err
}
fmt.Printf("%s %s %s\n", span, s.Name, s.Kind)
}
return nil
}
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