From 5ecb8aafa496e9dfff51378be50eb29858b5465a Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Wed, 15 Feb 2023 16:35:40 +0100
Subject: add quote parsing to smash

---
 smash/main.c   |  4 ++--
 smash/parser.c |  5 +++--
 smash/prompt.c | 22 ++++++++++++++++++++++
 smash/prompt.h |  6 ++++++
 4 files changed, 33 insertions(+), 4 deletions(-)
 create mode 100644 smash/prompt.c
 create mode 100644 smash/prompt.h

(limited to 'smash')

diff --git a/smash/main.c b/smash/main.c
index efc7bd1..3c5b559 100644
--- a/smash/main.c
+++ b/smash/main.c
@@ -2,6 +2,7 @@
 #include "comment.h"
 #include "env.h"
 #include "variable.h"
+#include "prompt.h"
 
 #include "../lib/sys/io.h"
 #include "../lib/cstr/cstr.h"
@@ -15,7 +16,6 @@
 
 int main(int argc, char *argv[])
 {
-	char prompt[] = "$ ";
 	i64 line_length;
 	int fd = STDIN_FD;
 	char linebuf[BUFSIZ];
@@ -35,7 +35,7 @@ int main(int argc, char *argv[])
 
 	while (1) {
 		if (fd == STDIN_FD)
-			wstd(prompt);
+			prompt();
 
 		line_length = get_next_line_from_fd(fd, linebuf);
 
diff --git a/smash/parser.c b/smash/parser.c
index 55a6fd2..a0ea9d8 100644
--- a/smash/parser.c
+++ b/smash/parser.c
@@ -11,7 +11,7 @@ void __free_argv(char **argv);
 expression_list_t *new_expression_from_line(char *line)
 {
 
-	u64 n = cstr_split(line, '|');
+	u64 n = cstr_split_with_cancel(line, '|', '"');
 	char *current = line;
 	char *next    = 0;
 	expression_list_t *head = 0;
@@ -54,7 +54,7 @@ void free_expression(expression_list_t *expression)
 
 char **new_argv(char *exp)
 {
-	u64 n = cstr_split(exp, ' ');
+	u64 n = cstr_split_with_cancel(exp, ' ', '"');
 	char **argv = malloc(sizeof(char*) * (n + 1));
 	u64 i = 0;
 	char *current = exp;
@@ -65,6 +65,7 @@ char **new_argv(char *exp)
 	for (; n > 0; --n) {
 		next = (char*)next_split(current);
 		strip_cstr(current, ' ');
+		strip_cstr(current, '"');
 
 		if (cstr_length(current))
 			argv[i++] = current;
diff --git a/smash/prompt.c b/smash/prompt.c
new file mode 100644
index 0000000..3b6b3c2
--- /dev/null
+++ b/smash/prompt.c
@@ -0,0 +1,22 @@
+#include "prompt.h"
+
+#include "../lib/sys/execve.h"
+#include "../lib/sys/wait4.h"
+#include "../lib/sys/fork.h"
+#include "../lib/sys/exit.h"
+#include "../lib/env/env.h"
+#include "../lib/io/io.h"
+
+void prompt()
+{
+	int pid = fork();
+
+	if (pid == 0) {
+		const char *argv[] = {"/system/config/smash.d/prompt", 0};
+		execve(argv[0], argv, getenvp());
+		wstd("> ");
+		exit(0);
+	}
+
+	wait4(pid, 0, 0, 0);
+}
diff --git a/smash/prompt.h b/smash/prompt.h
new file mode 100644
index 0000000..143a537
--- /dev/null
+++ b/smash/prompt.h
@@ -0,0 +1,6 @@
+#ifndef PROMPT_H
+#define PROMPT_H
+
+void prompt();
+
+#endif
-- 
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