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-rw-r--r--editors/code/src/commands/index.ts75
-rw-r--r--editors/code/src/commands/on_enter.ts5
-rw-r--r--editors/code/src/main.ts2
-rw-r--r--editors/code/src/rust-analyzer-api.ts2
4 files changed, 53 insertions, 31 deletions
diff --git a/editors/code/src/commands/index.ts b/editors/code/src/commands/index.ts
index 0937b495c..e5ed77e32 100644
--- a/editors/code/src/commands/index.ts
+++ b/editors/code/src/commands/index.ts
@@ -53,36 +53,57 @@ export function selectAndApplySourceChange(ctx: Ctx): Cmd {
53 }; 53 };
54} 54}
55 55
56export function applySnippetWorkspaceEdit(_ctx: Ctx): Cmd { 56export function applySnippetWorkspaceEditCommand(_ctx: Ctx): Cmd {
57 return async (edit: vscode.WorkspaceEdit) => { 57 return async (edit: vscode.WorkspaceEdit) => {
58 assert(edit.entries().length === 1, `bad ws edit: ${JSON.stringify(edit)}`); 58 await applySnippetWorkspaceEdit(edit);
59 const [uri, edits] = edit.entries()[0]; 59 };
60}
61
62export async function applySnippetWorkspaceEdit(edit: vscode.WorkspaceEdit) {
63 assert(edit.entries().length === 1, `bad ws edit: ${JSON.stringify(edit)}`);
64 const [uri, edits] = edit.entries()[0];
60 65
61 const editor = vscode.window.visibleTextEditors.find((it) => it.document.uri.toString() === uri.toString()); 66 const editor = vscode.window.visibleTextEditors.find((it) => it.document.uri.toString() === uri.toString());
62 if (!editor) return; 67 if (!editor) return;
63 68
64 let editWithSnippet: vscode.TextEdit | undefined = undefined; 69 let selection: vscode.Selection | undefined = undefined;
65 let lineDelta = 0; 70 let lineDelta = 0;
66 await editor.edit((builder) => { 71 await editor.edit((builder) => {
67 for (const indel of edits) { 72 for (const indel of edits) {
68 const isSnippet = indel.newText.indexOf('$0') !== -1 || indel.newText.indexOf('${') !== -1; 73 const parsed = parseSnippet(indel.newText);
69 if (isSnippet) { 74 if (parsed) {
70 editWithSnippet = indel; 75 const [newText, [placeholderStart, placeholderLength]] = parsed;
71 } else { 76 const prefix = newText.substr(0, placeholderStart);
72 if (!editWithSnippet) { 77 const lastNewline = prefix.lastIndexOf('\n');
73 lineDelta = (indel.newText.match(/\n/g) || []).length - (indel.range.end.line - indel.range.start.line); 78
74 } 79 const startLine = indel.range.start.line + lineDelta + countLines(prefix);
75 builder.replace(indel.range, indel.newText); 80 const startColumn = lastNewline === -1 ?
76 } 81 indel.range.start.character + placeholderStart
82 : prefix.length - lastNewline - 1;
83 const endColumn = startColumn + placeholderLength;
84 selection = new vscode.Selection(
85 new vscode.Position(startLine, startColumn),
86 new vscode.Position(startLine, endColumn),
87 );
88 builder.replace(indel.range, newText);
89 } else {
90 lineDelta = countLines(indel.newText) - (indel.range.end.line - indel.range.start.line);
91 builder.replace(indel.range, indel.newText);
77 } 92 }
78 });
79 if (editWithSnippet) {
80 const snip = editWithSnippet as vscode.TextEdit;
81 const range = snip.range.with(
82 snip.range.start.with(snip.range.start.line + lineDelta),
83 snip.range.end.with(snip.range.end.line + lineDelta),
84 );
85 await editor.insertSnippet(new vscode.SnippetString(snip.newText), range);
86 } 93 }
87 }; 94 });
95 if (selection) editor.selection = selection;
96}
97
98function parseSnippet(snip: string): [string, [number, number]] | undefined {
99 const m = snip.match(/\$(0|\{0:([^}]*)\})/);
100 if (!m) return undefined;
101 const placeholder = m[2] ?? "";
102 const range: [number, number] = [m.index!!, placeholder.length];
103 const insert = snip.replace(m[0], placeholder);
104 return [insert, range];
105}
106
107function countLines(text: string): number {
108 return (text.match(/\n/g) || []).length;
88} 109}
diff --git a/editors/code/src/commands/on_enter.ts b/editors/code/src/commands/on_enter.ts
index 285849db7..a7871c31e 100644
--- a/editors/code/src/commands/on_enter.ts
+++ b/editors/code/src/commands/on_enter.ts
@@ -1,8 +1,8 @@
1import * as vscode from 'vscode'; 1import * as vscode from 'vscode';
2import * as ra from '../rust-analyzer-api'; 2import * as ra from '../rust-analyzer-api';
3 3
4import { applySourceChange } from '../source_change';
5import { Cmd, Ctx } from '../ctx'; 4import { Cmd, Ctx } from '../ctx';
5import { applySnippetWorkspaceEdit } from '.';
6 6
7async function handleKeypress(ctx: Ctx) { 7async function handleKeypress(ctx: Ctx) {
8 const editor = ctx.activeRustEditor; 8 const editor = ctx.activeRustEditor;
@@ -21,7 +21,8 @@ async function handleKeypress(ctx: Ctx) {
21 }); 21 });
22 if (!change) return false; 22 if (!change) return false;
23 23
24 await applySourceChange(ctx, change); 24 const workspaceEdit = client.protocol2CodeConverter.asWorkspaceEdit(change);
25 await applySnippetWorkspaceEdit(workspaceEdit);
25 return true; 26 return true;
26} 27}
27 28
diff --git a/editors/code/src/main.ts b/editors/code/src/main.ts
index ac3bb365e..8b0a9d870 100644
--- a/editors/code/src/main.ts
+++ b/editors/code/src/main.ts
@@ -91,7 +91,7 @@ export async function activate(context: vscode.ExtensionContext) {
91 ctx.registerCommand('debugSingle', commands.debugSingle); 91 ctx.registerCommand('debugSingle', commands.debugSingle);
92 ctx.registerCommand('showReferences', commands.showReferences); 92 ctx.registerCommand('showReferences', commands.showReferences);
93 ctx.registerCommand('applySourceChange', commands.applySourceChange); 93 ctx.registerCommand('applySourceChange', commands.applySourceChange);
94 ctx.registerCommand('applySnippetWorkspaceEdit', commands.applySnippetWorkspaceEdit); 94 ctx.registerCommand('applySnippetWorkspaceEdit', commands.applySnippetWorkspaceEditCommand);
95 ctx.registerCommand('selectAndApplySourceChange', commands.selectAndApplySourceChange); 95 ctx.registerCommand('selectAndApplySourceChange', commands.selectAndApplySourceChange);
96 96
97 ctx.pushCleanup(activateTaskProvider(workspaceFolder)); 97 ctx.pushCleanup(activateTaskProvider(workspaceFolder));
diff --git a/editors/code/src/rust-analyzer-api.ts b/editors/code/src/rust-analyzer-api.ts
index 400ac3714..3b83b10e3 100644
--- a/editors/code/src/rust-analyzer-api.ts
+++ b/editors/code/src/rust-analyzer-api.ts
@@ -69,7 +69,7 @@ export interface JoinLinesParams {
69export const joinLines = request<JoinLinesParams, SourceChange>("joinLines"); 69export const joinLines = request<JoinLinesParams, SourceChange>("joinLines");
70 70
71 71
72export const onEnter = request<lc.TextDocumentPositionParams, Option<SourceChange>>("onEnter"); 72export const onEnter = request<lc.TextDocumentPositionParams, Option<lc.WorkspaceEdit>>("onEnter");
73 73
74export interface RunnablesParams { 74export interface RunnablesParams {
75 textDocument: lc.TextDocumentIdentifier; 75 textDocument: lc.TextDocumentIdentifier;