Frontend prototype: clickable AST/ASR node navigation

components/Editor.js

@@ -1,32 +1,78 @@
-import React from "react";
+import React, { useRef, useEffect } from "react";
 import AceEditor from "react-ace";
 
-import "ace-builds/src-noconflict/mode-java";
+// Import Ace modes and themes
 import "ace-builds/src-noconflict/mode-fortran";
-import "ace-builds/src-noconflict/theme-github";
 import "ace-builds/src-noconflict/theme-monokai";
 import "ace-builds/src-noconflict/ext-language_tools";
 
-function Editor({sourceCode, setSourceCode}) {
+const Editor = ({ sourceCode, setSourceCode, editorRef }) => {
+    const aceEditorRef = useRef(null);
+
+    useEffect(() => {
+        if (editorRef) {
+            editorRef.current = {
+                jumpToRange(rangeData) {
+                    if (aceEditorRef.current) {
+                        const editor = aceEditorRef.current.editor;
+                        const ace = window.ace;
+
+                        if (ace) {
+                            // Required for the selection to not be a solid block
+                            editor.setSelectionStyle("text"); 
+
+                            const Range = ace.require("ace/range").Range;
+
+                            // Convert 1-based metadata to 0-based Ace indexing
+                            const startRow = rangeData.startLine - 1;
+                            const startCol = rangeData.startCol - 1;
+                            const endRow = rangeData.endLine - 1;
+                            const endCol = rangeData.endCol - 1;
+
+                            // Clear existing selection to avoid visual ghosting
+                            editor.selection.clearSelection();
+
+                            // Apply the precise syntactic range
+                            const newRange = new Range(startRow, startCol, endRow, endCol);
+                            editor.selection.setRange(newRange);
+
+                            // Navigation and Focus
+                            editor.scrollToLine(rangeData.startLine, true, true);
+                            editor.focus();
+                            editor.renderer.scrollSelectionIntoView(newRange); 
+                        }
+                    }
+                }
+            };
+        }
+    }, [editorRef]);
+
     return (
         <AceEditor
+            ref={aceEditorRef}
             mode="fortran"
             theme="monokai"
-            onChange={(code)=>setSourceCode(code)}
-            name="UNIQUE_ID_OF_DIV"
+            onChange={(code) => setSourceCode(code)}
+            name="LFORTRAN_EDITOR"
             editorProps={{ $blockScrolling: true }}
             value={sourceCode}
             width="100%"
             height="100%"
             showPrintMargin={false}
+            setOptions={{
+                enableBasicAutocompletion: true,
+                enableLiveAutocompletion: true,
+                enableSnippets: true,
+                showLineNumbers: true,
+                tabSize: 4,
+            }}
             style={{
                 fontFamily: '"Fira code", "Fira Mono", monospace',
                 fontSize: 14,
-                // minHeight: "100%",
-                // border: "0.1px solid black"
             }}
         />
-    )
-}
+    );
+};
+
 
-export default Editor;
+export default Editor;

components/LoadLFortran.js

@@ -90,35 +90,34 @@ async function setup_lfortran_funcs(lfortran_funcs, myPrint) {
 
     lfortran_funcs.emit_ast_from_source = function (source_code) {
         try { return compiler_funcs.emit_ast_from_source(source_code); }
-        catch (e) { console.log(e); myPrint(e + "\nERROR: AST could not be generated from the code"); return 0; }
+        catch (e) { myPrint(e + "\nERROR: AST could not be generated from the code"); return 0; }
     }
 
     lfortran_funcs.emit_asr_from_source = function (source_code) {
         try { return compiler_funcs.emit_asr_from_source(source_code); }
-        catch (e) { console.log(e); myPrint(e + "\nERROR: ASR could not be generated from the code"); return 0; }
+        catch (e) { myPrint(e + "\nERROR: ASR could not be generated from the code"); return 0; }
     }
 
     lfortran_funcs.emit_wat_from_source = function (source_code) {
         try { return compiler_funcs.emit_wat_from_source(source_code); }
-        catch (e) { console.log(e); myPrint(e + "\nERROR: WAT could not be generated from the code"); return 0; }
+        catch (e) {myPrint(e + "\nERROR: WAT could not be generated from the code"); return 0; }
     }
 
     lfortran_funcs.emit_cpp_from_source = function (source_code) {
         try { return compiler_funcs.emit_cpp_from_source(source_code); }
-        catch (e) { console.log(e); myPrint(e + "\nERROR: CPP could not be generated from the code"); return 0; }
+        catch (e) { myPrint(e + "\nERROR: CPP could not be generated from the code"); return 0; }
     }
 
     lfortran_funcs.emit_py_from_source = function (source_code) {
         try { return compiler_funcs.emit_py_from_source(source_code); }
-        catch (e) { console.log(e); myPrint(e + "\nERROR: LLVM could not be generated from the code"); return 0; }
+        catch (e) { myPrint(e + "\nERROR: LLVM could not be generated from the code"); return 0; }
     }
 
     lfortran_funcs.compile_code = function (source_code) {
         try {
             return compiler_funcs.emit_wasm_from_source(source_code);
         }
         catch (e) {
-            console.log(e);
             myPrint(e + "\nERROR: The code could not be compiled. Either there is a compile-time error or there is an issue at our end.")
             return 0;
         }
@@ -150,7 +149,6 @@ async function setup_lfortran_funcs(lfortran_funcs, myPrint) {
             if (exit_code.val == 0) {
                 return;
             }
-            console.log(err_msg);
             stdout_print(`\n${err_msg}\nERROR: The code could not be executed. Either there is a runtime error or there is an issue at our end.`);
         }
     };
@@ -177,7 +175,6 @@ function LoadLFortran({
         await setup_lfortran_funcs(lfortran_funcs, myPrint);
         setModuleReady(true);
         openNotification("LFortran Module Initialized!", "bottomRight");
-        console.log("LFortran Module Initialized!");
     }, [moduleReady]); // update the callback if the state changes
 
     return (

components/ResultBox.js

@@ -4,21 +4,42 @@ import { Button } from "antd";
 import { CopyOutlined } from "@ant-design/icons";
 import { Segmented } from "antd";
 
-function ResultBox({ activeTab, output, handleUserTabChange, myHeight, openNotification }) {
+//  onNodeClick to props
+function ResultBox({ activeTab, output, handleUserTabChange, myHeight, openNotification, onNodeClick }) {
     const isMobile = useIsMobile();
     const [showCopy, setShowCopy] = useState(false);
+
+    const handleOutputClick = (e) => {
+        //  .closest to handle nested spans
+        const target = e.target.closest("[data-start-line]");
+
+        if (target) {
+            const rangeData = {
+                startLine: parseInt(target.getAttribute("data-start-line")),
+                startCol: parseInt(target.getAttribute("data-start-col")),
+                endLine: parseInt(target.getAttribute("data-end-line")),
+                endCol: parseInt(target.getAttribute("data-end-col"))
+            };
+
+            if (onNodeClick) {
+                onNodeClick(rangeData);
+            } 
+        } 
+    };
+
     function copyTextToClipboard(e) {
-        e.stopPropagation(); // Prevents the click from reaching the container below
+        e.stopPropagation(); 
         const parser = new DOMParser();
         const doc = parser.parseFromString(output, 'text/html');
         navigator.clipboard.writeText(doc.documentElement.textContent);
         openNotification(`${activeTab} output copied`, "bottomRight");
-        setShowCopy(false); // Hide the icon after the user copies the text
+        setShowCopy(false);
     }
+
     return (
         <div 
             className="card-container" 
-            onClick={() => isMobile && setShowCopy(!showCopy)} // Only toggle if on mobile
+            onClick={() => isMobile && setShowCopy(!showCopy)} 
         >
             <Segmented
                 block
@@ -33,17 +54,19 @@ function ResultBox({ activeTab, output, handleUserTabChange, myHeight, openNotif
                     position: "absolute", 
                     right: "40px", 
                     top: "80px",
-                    // If not mobile, always show (opacity 1). If mobile, follow state.
                     opacity: !isMobile || showCopy ? 1 : 0, 
                     pointerEvents: !isMobile || showCopy ? "auto" : "none",
-                    transition: "opacity 0.2s ease-in-out"
+                    transition: "opacity 0.2s ease-in-out",
+                    zIndex: 10 // Ensure copy button stays above clickable spans
                 }}
             >
                 <CopyOutlined />
             </Button>
             <pre style={{ margin: "0px", height: myHeight, overflow: "scroll", border: "1px solid black" }}>
                 <div 
                     id="outputBox" 
+                    //  Attach the click listener to the container
+                    onClick={handleOutputClick}
                     style={{ minHeight: "100%", fontSize: "0.9em", padding: "10px" }} 
                     dangerouslySetInnerHTML={{ __html: output }}
                 >
@@ -52,4 +75,4 @@ function ResultBox({ activeTab, output, handleUserTabChange, myHeight, openNotif
         </div>
     );
 }
-export default ResultBox;
+export default ResultBox;

components/TextBox.js

@@ -1,19 +1,19 @@
 import { Button, Tabs, Dropdown, Menu, Space } from "antd"; 
 const { TabPane } = Tabs;
-import { DownOutlined, PlayCircleOutlined,FullscreenOutlined,FullscreenExitOutlined} from "@ant-design/icons";
+import { DownOutlined, PlayCircleOutlined, FullscreenOutlined, FullscreenExitOutlined } from "@ant-design/icons";
 import { useIsMobile } from "./useIsMobile";
 import React, { useState, useEffect } from 'react'; 
 import preinstalled_programs from "../utils/preinstalled_programs";
 import dynamic from 'next/dynamic'
-const Editor = dynamic(import('./Editor'), {
-  ssr: false
-})
 
-function TextBox({ disabled, sourceCode, setSourceCode, exampleName, setExampleName, activeTab, handleUserTabChange, myHeight }) {
+const Editor = dynamic(() => import('./Editor'), {
+    ssr: false,
+});
+
+function TextBox({ disabled, sourceCode, setSourceCode, exampleName, setExampleName, activeTab, handleUserTabChange, myHeight, editorRef }) {
     const isMobile = useIsMobile(); 
     const [isFullScreen, setIsFullScreen] = useState(false);
 
-    // Listen for fullscreen changes (Esc key, browser buttons, etc.)
     useEffect(() => {
         const handler = () => setIsFullScreen(!!document.fullscreenElement);
         document.addEventListener("fullscreenchange", handler);
@@ -49,15 +49,13 @@ function TextBox({ disabled, sourceCode, setSourceCode, exampleName, setExampleN
         });
     }
 
-    const examples_menu = (<Menu items={menu_items}></Menu>);
     const extraOperations = {
         right: (
             <Space>
                 <Button 
                     onClick={handleFullScreen} 
                     icon={isFullScreen ? <FullscreenExitOutlined /> : <FullscreenOutlined />}
                 >
-                    {/* Now both text options only show on desktop, keeping mobile clean */}
                     {!isMobile && (isFullScreen ? " Exit Fullscreen" : " Fullscreen")}
                 </Button>
                 <Button 
@@ -89,6 +87,7 @@ function TextBox({ disabled, sourceCode, setSourceCode, exampleName, setExampleN
                     <Editor
                         sourceCode={sourceCode}
                         setSourceCode={setSourceCode}
+                        editorRef={editorRef}// Pass the ref to the Editor
                     />
                 </div>
             ),
@@ -106,4 +105,4 @@ function TextBox({ disabled, sourceCode, setSourceCode, exampleName, setExampleN
     );
 }
 
-export default TextBox;
+export default TextBox;