Update the notebook to use LFortran kernel

wangvei · Mar 7, 2021 · f9b38dc · f9b38dc
1 parent 7666332
commit f9b38dc
Showing 1 changed file with 32 additions and 75 deletions.
diff --git a/doc/nb/developer_tutorial.ipynb b/doc/nb/developer_tutorial.ipynb
@@ -16,11 +16,11 @@
     "are encouraged to use them independently for other applications and build tools\n",
     "on top:\n",
     "\n",
-    "* Abstract Syntax Tree (AST), module `lfortran.ast`: Represents any Fortran\n",
+    "* Abstract Syntax Tree (AST): Represents any Fortran\n",
     "  source code, strictly based on syntax, no semantic is included. The AST\n",
     "  module can convert itself to Fortran source code.\n",
     "\n",
-    "* Abstract Semantic Representation (ASR), module `lfortran.asr`: Represents a\n",
+    "* Abstract Semantic Representation (ASR): Represents a\n",
     "  valid Fortran source code, all semantic is included. Invalid Fortran code is\n",
     "  not allowed (an error will be given). The ASR module can convert itself to an\n",
     "  AST.\n",
@@ -37,38 +37,39 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from lfortran.ast import src_to_ast, print_tree\n",
-    "from lfortran.ast.ast_to_src import ast_to_src\n",
-    "src = \"\"\"\\\n",
     "integer function f(a, b) result(r)\n",
     "integer, intent(in) :: a, b\n",
     "r = a + b\n",
-    "end function\n",
-    "\"\"\"\n",
-    "ast = src_to_ast(src, translation_unit=False)"
+    "end function"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "We can pretty print it using `print_tree()` ([#59](https://gitlab.com/lfortran/lfortran/issues/59)):"
+    "We can pretty print it using the `%%showast` magic:"
    ]
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [],
    "source": [
-    "print_tree(ast)"
+    "%%showast\n",
+    "integer function f(a, b) result(r)\n",
+    "integer, intent(in) :: a, b\n",
+    "r = a + b\n",
+    "end function"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "We can convert AST to Fortran source code using `ast_to_src()`:"
+    "We can convert AST to Fortran source code using `%%showfmt`:"
    ]
   },
   {
@@ -77,7 +78,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "print(ast_to_src(ast))"
+    "%%showfmt\n",
+    "integer function f(a, b) result(r)\n",
+    "integer, intent(in) :: a, b\n",
+    "r = a + b\n",
+    "end function"
    ]
   },
   {
@@ -87,27 +92,14 @@
     "All AST nodes and their arguments are described in\n",
     "[AST.asdl](https://gitlab.com/lfortran/lfortran/blob/master/grammar/AST.asdl).\n",
     "\n",
-    "## Abstract Semantic Representation (ASR)\n",
-    "\n",
-    "We can convert AST to ASR using the `ast_to_asr()` function:"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "from lfortran.semantic.ast_to_asr import ast_to_asr\n",
-    "from lfortran.asr.pprint import pprint_asr\n",
-    "asr = ast_to_asr(ast)"
+    "## Abstract Semantic Representation (ASR)"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "We can pretty print using the `pprint_asr()` function:"
+    "We can pretty print using the `%%showasr` magic:"
    ]
   },
   {
@@ -116,40 +108,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "pprint_asr(asr)"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "For example to get the variables defined in the function scope:"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "asr.global_scope.symbols[\"f\"].symtab.symbols.keys()"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "We can convert ASR to AST and to source code:"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "from lfortran.asr.asr_to_ast import asr_to_ast\n",
-    "print(ast_to_src(asr_to_ast(asr)))"
+    "%%showasr\n",
+    "integer function f(a, b) result(r)\n",
+    "integer, intent(in) :: a, b\n",
+    "r = a + b\n",
+    "end function"
    ]
   },
   {
@@ -163,21 +126,15 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
-   "language": "python",
-   "name": "python3"
+   "display_name": "Fortran",
+   "language": "fortran",
+   "name": "fortran"
   },
   "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "file_extension": ".f90",
+   "mimetype": "text/x-fortran",
+   "name": "fortran",
+   "version": "2018"
   }
  },
  "nbformat": 4,