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+{
+ "cells": [
+ {
+ "cell_type": "markdown",
+ "id": "b8caa27f",
+ "metadata": {},
+ "source": [
+ "# Import Tiger and Desugar"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 1,
+ "id": "9cb3bce5",
+ "metadata": {},
+ "outputs": [],
+ "source": [
+ "import tc"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 2,
+ "id": "be38c5fe",
+ "metadata": {},
+ "outputs": [
+ {
+ "data": {
+ "text/plain": [
+ "True"
+ ]
+ },
+ "execution_count": 2,
+ "metadata": {},
+ "output_type": "execute_result"
+ }
+ ],
+ "source": [
+ "tc.has(\"desugar\")"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 3,
+ "id": "9fe09a20",
+ "metadata": {},
+ "outputs": [
+ {
+ "data": {
+ "text/plain": [
+ "True"
+ ]
+ },
+ "execution_count": 3,
+ "metadata": {},
+ "output_type": "execute_result"
+ }
+ ],
+ "source": [
+ "import tiger_desugar\n",
+ "tiger_desugar == tc.desugar"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "id": "3b3a7285",
+ "metadata": {},
+ "source": [
+ "# Desugar Library"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 4,
+ "id": "2be2f25d",
+ "metadata": {},
+ "outputs": [
+ {
+ "data": {
+ "text/plain": [
+ "['desugar', 'raw_desugar']"
+ ]
+ },
+ "execution_count": 4,
+ "metadata": {},
+ "output_type": "execute_result"
+ }
+ ],
+ "source": [
+ "list(filter(lambda e: not e.startswith(\"_\") and not e.startswith(\"tiger\"), dir(tc.desugar)))"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "id": "35825bf6",
+ "metadata": {},
+ "source": [
+ "# Desugar Ast\n",
+ "We use this to only parse the ast and don't run code after TC4, but use Tiger Magics"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 5,
+ "id": "0ee4cd72",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "<class 'tiger_ast.ChunkList'>\n"
+ ]
+ }
+ ],
+ "source": [
+ "import tempfile\n",
+ "\n",
+ "with tempfile.NamedTemporaryFile() as f:\n",
+ " f.write(b\"for i := 1 to 10 do (i; ())\")\n",
+ " f.seek(0)\n",
+ " ast = tc.ti.TiExecutor(f.name).type()\n",
+ "print(type(ast))"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 6,
+ "id": "d0e05897",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "\n",
+ "primitive print(string : string)\n",
+ "primitive print_err(string : string)\n",
+ "primitive print_int(int : int)\n",
+ "primitive flush()\n",
+ "primitive getchar() : string\n",
+ "primitive ord(string : string) : int\n",
+ "primitive chr(code : int) : string\n",
+ "primitive size(string : string) : int\n",
+ "primitive streq(s1 : string, s2 : string) : int\n",
+ "primitive strcmp(s1 : string, s2 : string) : int\n",
+ "primitive substring(string : string, start : int, length : int) : string\n",
+ "primitive concat(fst : string, snd : string) : string\n",
+ "primitive not(boolean : int) : int\n",
+ "primitive exit(status : int)\n",
+ "function _main() =\n",
+ " (\n",
+ " (for i := 1 to 10 do\n",
+ " (\n",
+ " i;\n",
+ " ()\n",
+ " ));\n",
+ " ()\n",
+ " )\n"
+ ]
+ }
+ ],
+ "source": [
+ "print(ast)"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 7,
+ "id": "29d68680",
+ "metadata": {},
+ "outputs": [
+ {
+ "data": {
+ "text/plain": [
+ "<function tiger_desugar.raw_desugar(tree: 'Ast', desugar_for: 'bool' = False, desugar_string_cmp: 'bool' = False) -> 'ast::Ast *'>"
+ ]
+ },
+ "execution_count": 7,
+ "metadata": {},
+ "output_type": "execute_result"
+ }
+ ],
+ "source": [
+ "tc.desugar.raw_desugar"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 8,
+ "id": "04a11b99",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "\n",
+ "primitive print(string : string)\n",
+ "primitive print_err(string : string)\n",
+ "primitive print_int(int : int)\n",
+ "primitive flush()\n",
+ "primitive getchar() : string\n",
+ "primitive ord(string : string) : int\n",
+ "primitive chr(code : int) : string\n",
+ "primitive size(string : string) : int\n",
+ "primitive streq(s1 : string, s2 : string) : int\n",
+ "primitive strcmp(s1 : string, s2 : string) : int\n",
+ "primitive substring(string : string, start : int, length : int) : string\n",
+ "primitive concat(fst : string, snd : string) : string\n",
+ "primitive not(boolean : int) : int\n",
+ "primitive exit(status : int)\n",
+ "function _main() =\n",
+ " (\n",
+ " let\n",
+ " var _lo := 1\n",
+ " var _hi := 10\n",
+ " var i := _lo\n",
+ " in\n",
+ " (if (_lo <= _hi)\n",
+ " then (while 1 do\n",
+ " (\n",
+ " (\n",
+ " i;\n",
+ " ()\n",
+ " );\n",
+ " (if (i = _hi)\n",
+ " then break\n",
+ " else ());\n",
+ " (i := (i + 1))\n",
+ " ))\n",
+ " else ())\n",
+ " end;\n",
+ " ()\n",
+ " )\n"
+ ]
+ }
+ ],
+ "source": [
+ "ast_raw = tc.desugar.raw_desugar(ast, True, True)\n",
+ "print(ast_raw)"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 9,
+ "id": "da86985d",
+ "metadata": {},
+ "outputs": [
+ {
+ "data": {
+ "text/plain": [
+ "<function tiger_desugar.desugar(tree: 'Ast', desugar_for: 'bool' = False, desugar_string_cmp: 'bool' = False) -> 'ast::Ast *'>"
+ ]
+ },
+ "execution_count": 9,
+ "metadata": {},
+ "output_type": "execute_result"
+ }
+ ],
+ "source": [
+ "tc.desugar.desugar"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 10,
+ "id": "86f1bcc7",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "text": [
+ "\n",
+ "primitive print(string : string)\n",
+ "primitive print_err(string : string)\n",
+ "primitive print_int(int : int)\n",
+ "primitive flush()\n",
+ "primitive getchar() : string\n",
+ "primitive ord(string : string) : int\n",
+ "primitive chr(code : int) : string\n",
+ "primitive size(string : string) : int\n",
+ "primitive streq(s1 : string, s2 : string) : int\n",
+ "primitive strcmp(s1 : string, s2 : string) : int\n",
+ "primitive substring(string : string, start : int, length : int) : string\n",
+ "primitive concat(fst : string, snd : string) : string\n",
+ "primitive not(boolean : int) : int\n",
+ "primitive exit(status : int)\n",
+ "function _main() =\n",
+ " (\n",
+ " let\n",
+ " var _lo := 1\n",
+ " var _hi := 10\n",
+ " var i := _lo\n",
+ " in\n",
+ " (if (_lo <= _hi)\n",
+ " then (while 1 do\n",
+ " (\n",
+ " (\n",
+ " i;\n",
+ " ()\n",
+ " );\n",
+ " (if (i = _hi)\n",
+ " then break\n",
+ " else ());\n",
+ " (i := (i + 1))\n",
+ " ))\n",
+ " else ())\n",
+ " end;\n",
+ " ()\n",
+ " )\n"
+ ]
+ }
+ ],
+ "source": [
+ "ast = tc.desugar.desugar(ast, True, True)\n",
+ "print(ast)"
+ ]
+ }
+ ],
+ "metadata": {
+ "kernelspec": {
+ "display_name": "Python 3 (ipykernel)",
+ "language": "python",
+ "name": "python3"
+ },
+ "language_info": {
+ "codemirror_mode": {
+ "name": "ipython",
+ "version": 3
+ },
+ "file_extension": ".py",
+ "mimetype": "text/x-python",
+ "name": "python",
+ "nbconvert_exporter": "python",
+ "pygments_lexer": "ipython3",
+ "version": "3.10.2"
+ }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
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