restore back before introducing main.cpp

CMakeLists.txt

@@ -29,7 +29,8 @@ set(SOURCE
 	clib/csvparser.cpp
 	clib/sslclient.cpp
 	clib/json11.cpp
-	clib/printf.cpp)
+	clib/printf.cpp
+	clib/linenoise.c)
 
 add_executable(${PROJECT_NAME} ${SOURCE})
 

Readme.md

@@ -4,6 +4,7 @@
 
 ### TODO
 - support for (), nil, t, in lsp code replace 0 by nil in logicals
+- casting to string (like ti int and to float)
 - some performance functionality (at least counting how many times symbol was evaluated)
 - documentation
 - add url of source/inspiration to clib/*.cpp
@@ -40,6 +41,7 @@
 - format (sprintf)
 - setq
 - mapcar (funcall, apply)
+- syntax highlighting do VS Code
 
 #### Performance
 - push_back - repeatedly without reserving size
@@ -53,7 +55,7 @@ cp stdlib/*.lsp /usr/local/var/mlisp/
 
 #### Compile
 ```
-gcc -o ml -I/usr/local/opt/openssl/include -Iclib -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl -Wl,-stack_size -Wl,0x1000000 --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/printf.cpp
+gcc -o ml -I/usr/local/opt/openssl/include -Iclib -L/usr/local/lib -L/usr/local/opt/openssl/lib -lm -lstdc++ -lcrypto -lssl -Wl,-stack_size -Wl,0x1000000 --std=c++17  ml.cpp ml_io.cpp ml_date.cpp ml_string.cpp clib/json11.cpp clib/csvparser.cpp clib/sslclient.cpp clib/printf.cpp clib/linenoise.c
 ```
 or
 cmake

clib/linenoise.h

@@ -0,0 +1,75 @@
+/* linenoise.h -- VERSION 1.0
+ *
+ * Guerrilla line editing library against the idea that a line editing lib
+ * needs to be 20,000 lines of C code.
+ *
+ * See linenoise.c for more information.
+ *
+ * ------------------------------------------------------------------------
+ *
+ * Copyright (c) 2010-2014, Salvatore Sanfilippo <antirez at gmail dot com>
+ * Copyright (c) 2010-2013, Pieter Noordhuis <pcnoordhuis at gmail dot com>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *  *  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *  *  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __LINENOISE_H
+#define __LINENOISE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct linenoiseCompletions {
+  size_t len;
+  char **cvec;
+} linenoiseCompletions;
+
+typedef void(linenoiseCompletionCallback)(const char *, linenoiseCompletions *);
+typedef char*(linenoiseHintsCallback)(const char *, int *color, int *bold);
+typedef void(linenoiseFreeHintsCallback)(void *);
+void linenoiseSetCompletionCallback(linenoiseCompletionCallback *);
+void linenoiseSetHintsCallback(linenoiseHintsCallback *);
+void linenoiseSetFreeHintsCallback(linenoiseFreeHintsCallback *);
+void linenoiseAddCompletion(linenoiseCompletions *, const char *);
+
+char *linenoise(const char *prompt);
+void linenoiseFree(void *ptr);
+int linenoiseHistoryAdd(const char *line);
+int linenoiseHistorySetMaxLen(int len);
+int linenoiseHistorySave(const char *filename);
+int linenoiseHistoryLoad(const char *filename);
+void linenoiseClearScreen(void);
+void linenoiseSetMultiLine(int ml);
+void linenoisePrintKeyCodes(void);
+void linenoiseMaskModeEnable(void);
+void linenoiseMaskModeDisable(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __LINENOISE_H */

clib/printf.cpp

@@ -67,7 +67,7 @@ std::string mini_sprintf(const std::string &format_str, const std::vector<MlValu
 	for (si = format_str.begin(); si != format_str.end(); ++si) {
 		c = *si;
 
-		// formating directives
+		// formatting directives
 		if (c == '%') {
 			if (++si >= format_str.end()) {
 				return output_str; // end of string, invalid % on last pos

ml.cpp

@@ -9,6 +9,7 @@
 #include "clib/json11.h"
 #include "clib/printf.h"
 
+#include "linenoise.h"
 
 #include <cmath>
 #include <map>
@@ -1609,14 +1610,54 @@ namespace builtin {
     }
 }
 
+// void completion(const char *buf, linenoiseCompletions *lc) {
+//     if (buf[0] == 'h') {
+//         linenoiseAddCompletion(lc,"hello");
+//         linenoiseAddCompletion(lc,"hello there");
+//     }
+// }
+
+// char *hints(const char *buf, int *color, int *bold) {
+//     if (!strcasecmp(buf,"hello")) {
+//         *color = 35;
+//         *bold = 0;
+//         return " World";
+//     }
+//     return NULL;
+// }
+
 void repl(MlEnvironment &env) {
 	std::string code;
 	std::string input;
 	MlValue tmp;
 	std::vector<MlValue> parsed;
+	char *line;
+
+	// TODO not portable and in function
+    std::string history_file;
+	std::string file{"/.ml_history.txt"};
+	const char *t = std::getenv("HOME");
+	if (t == nullptr) 
+    	history_file = "/tmp/" + file;
+	else
+    	history_file = std::string{t} + "/" + file;
+
+	// linenoiseHistorySetMaxLen(500);
+	// linenoiseSetCompletionCallback(completion);
+	// linenoiseSetHintsCallback(hints);
+
+	linenoiseSetMultiLine(1);
+	linenoiseHistoryLoad(history_file.c_str()); 
+
 	while (true) {
-		std::cout << ">>> ";
-		std::getline(std::cin, input);
+//		std::cout << ">>> ";
+//		std::getline(std::cin, input);
+
+		line = linenoise(">>> ");
+		linenoiseHistoryAdd(line);
+
+		input = std::string(line);
+
 		if (input == "!quit" || input == "!q")
 			break;
 		else if (input == "!env" || input == "!e")
@@ -1638,6 +1679,8 @@ void repl(MlEnvironment &env) {
 			}
 		}
 	}
+
+	linenoiseHistorySave(history_file.c_str()); 
 }
 
 void load_std_lib(MlEnvironment &env) {
@@ -1773,16 +1816,6 @@ MlValue MlEnvironment::get(const std::string &name) const {
 	throw MlError(MlValue::atom(name), *this, ATOM_NOT_DEFINED);
 }
 
-std::vector<std::string> getCmdOption(char *argv[], int argc, const std::string &option) {
-	std::vector<std::string> tokens;
-	for (int i = 1; i < argc; ++i) {
-		if (option == argv[i] && i + 1 < argc) {
-			i++;
-			tokens.push_back(std::string(argv[i]));
-		}
-	}
-	return tokens;
-}
 
 bool cmdOptionExists(char **begin, char **end, const std::string &option) { return std::find(begin, end, option) != end; }