Merge pull request #9 from DubMatrix/Dubmatrix-Outline

Outline Functionality

outline/dmlSymbolProvider.js

@@ -0,0 +1,103 @@
+// See also https://code.visualstudio.com/api/references/vscode-api
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const vscode = require("vscode");
+
+class DmlDocumentSymbolProvider {
+
+	addNode(r, d, s, e, nn, ns, np) {
+		const si = new vscode.SymbolInformation(nn, ns, np, new vscode.Location(d.uri, new vscode.Range(new vscode.Position(s, 0), new vscode.Position(e, 0))));
+		r.push(si);
+	}
+
+	provideDocumentSymbols(document, token) {
+		const result = [];
+
+		// Forms
+		const formBRegex = /^[ \t]*(MENU_|PROCEDURE_|QUERY_|REPORT_|TABLE_)*FORM[ \t]*([a-zA-Z0-9_]+)/;
+		const formERegex = /^[ \t]*END_FORM/;
+		const formSymbol = vscode.SymbolKind.Class;
+		let curFormStart = 0;
+		let curFormName = null;
+
+		// Blocks
+		const blockBRegex = /^[ \t]*BEGIN_BLOCK[ \t]*(\/DISPLAY_ONLY)*[ \t]*([a-zA-Z0-9_]+)/;
+		const blockERegex = /^[ \t]*END_BLOCK/;
+		const blockSymbol = vscode.SymbolKind.Function;
+		let curBlockStart = 0;
+		let curBlockName = null;
+
+		// Check each line
+		for (let line = 0; line < document.lineCount; line++) {
+			const { text } = document.lineAt(line);
+
+			// Find Form Begin
+			const formBMatched = text.match(formBRegex);
+			if (formBMatched) {
+				// Do we have a Form without Form End?
+				if (curFormName != null) {
+					// Do we have a Block without Block End?
+					if (curBlockName != null) {
+						this.addNode(result,document,curBlockStart,line,curBlockName,blockSymbol,curFormName);
+						curBlockName = null;
+					}
+					this.addNode(result,document,curFormStart,line,curFormName,formSymbol,'');
+				}
+				curFormStart = line;
+				curFormName = formBMatched[2];
+				continue;
+			}
+
+			// Only proceed if we have a form
+			if (curFormName != null) {
+				// Find Block Begin
+				const blockBMatched = text.match(blockBRegex);
+				if (blockBMatched) {
+					// Do we have a Block without Block End?
+					if (curBlockName != null) {
+						this.addNode(result,document,curBlockStart,line,curBlockName,blockSymbol,curFormName);
+					}
+					curBlockStart = line;
+					curBlockName = blockBMatched[2];
+					continue;
+				}
+
+				// Only proceed if we have a block
+				if (curBlockName != null) {
+					// Find Block End
+					const blockEMatched = text.match(blockERegex);
+					if (blockEMatched) {
+						this.addNode(result,document,curBlockStart,line,curBlockName,blockSymbol,curFormName);
+						curBlockName = null;
+						continue;
+					}
+				}
+
+				// Find Form End
+				const formEMatched = text.match(formERegex);
+				if (formEMatched) {
+					// Do we have a Block without Block End?
+					if (curBlockName != null) {
+						this.addNode(result,document,curBlockStart,line,curBlockName,blockSymbol,curFormName);
+						curBlockName = null;
+					}
+					this.addNode(result,document,curFormStart,line,curFormName,formSymbol,'');
+					curFormName = null;
+					continue;
+				}
+			}
+
+		}
+
+		// Do we have a form?
+		if (curFormName != null) {
+			// Do we have a block?
+			if (curBlockName != null) {
+				this.addNode(result,document,curBlockStart,document.lineCount -1,curBlockName,blockSymbol,curFormName);
+			}
+			this.addNode(result,document,curFormStart,document.lineCount -1,curFormName,formSymbol,'');
+		}
+		return result;
+	}
+}
+exports.DmlDocumentSymbolProvider = DmlDocumentSymbolProvider;

outline/extension.js

@@ -0,0 +1,19 @@
+// See also https://code.visualstudio.com/api/references/vscode-api
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const vscode = require("vscode");
+const dmlSymbolProvider = require("./dmlSymbolProvider.js");
+
+function activate(context) {
+    context.subscriptions.push(vscode.languages.registerDocumentSymbolProvider([
+        { language: 'dml', pattern: '**/*.{dml}' },
+        { language: 'dml', scheme: 'untitled' },
+    ], new dmlSymbolProvider.DmlDocumentSymbolProvider()));
+}
+
+exports.activate = activate;
+
+function deactivate() {
+}
+
+exports.deactivate = deactivate;

package.json

@@ -27,6 +27,10 @@
 		"ross",
 		"4gl"
 	],
+	"main": "./outline/extension.js",
+	"activationEvents": [
+		"onLanguage:dml"
+	],
 	"contributes": {
 		"snippets": [
 			{
@@ -54,4 +58,4 @@
 			}
 		]
 	}
-}
+}