From 5baa63ab502c98f6f62368302d92b6b90f9fcd26 Mon Sep 17 00:00:00 2001
From: Nicholas <nbnoll@eml.cc>
Date: Mon, 15 Nov 2021 18:43:39 -0800
Subject: Feat: globbing

Introduced shell globbing
---
 src/cmd/rc/exec.c | 47 +++++++++++++++++++++++++++++++++++++----------
 1 file changed, 37 insertions(+), 10 deletions(-)

(limited to 'src/cmd/rc/exec.c')

diff --git a/src/cmd/rc/exec.c b/src/cmd/rc/exec.c
index a551d52..62375df 100644
--- a/src/cmd/rc/exec.c
+++ b/src/cmd/rc/exec.c
@@ -103,8 +103,7 @@ freelist(Word *w)
 
 }
 
-static
-void
+static void
 pushlist(void)
 {
     List *stack = emalloc(sizeof(*stack));
@@ -115,8 +114,7 @@ pushlist(void)
     runner->args = stack;
 }
 
-static
-void
+static void
 poplist(void)
 {
     List *stack = runner->args;
@@ -128,6 +126,24 @@ poplist(void)
     efree(stack);
 }
 
+static void
+globargs(void)
+{
+    Word *arg;
+
+    globmatch = nil;
+    globlist(runner->args->word);
+    poplist();
+    pushlist();
+    if(globmatch){
+        for(arg=globmatch; arg->link; arg = arg->link)
+            ;
+        arg->link= runner->args->word;
+        runner->args->word = globmatch;
+    }
+}
+
+
 /* system interop */
 static
 Word*
@@ -792,7 +808,7 @@ Xdollar(void)
         return;
     }
     s = runner->args->word->str;
-    // deglob(s);
+    deglob(s);
     n = 0;
 
     for(t = s;'0'<=*t && *t<='9';t++) 
@@ -846,7 +862,7 @@ getindex(Word *array, int len, Word *index, Word *tail)
     tail = getindex(array, len, index->link, tail);
 
     s = index->str;
-    //deglob(s)
+    deglob(s);
 
     m = 0, n = 0;
     while('0' <= *s && *s <= '9')
@@ -881,7 +897,7 @@ Xindex(void)
         return;
     }
     s = runner->args->word->str;
-    //deglob(s)
+    deglob(s);
     val = var(s)->val;
     poplist();
 
@@ -934,6 +950,12 @@ Xjoin(void)
     efree(s);
 }
 
+void
+Xglob(void)
+{
+    globargs();
+}
+
 void
 Xassign(void)
 {
@@ -943,11 +965,11 @@ Xassign(void)
         Xerror("variable name not singleton!\n");
         return;
     }
-    //deglob(runq->argv->words->word);
+    deglob(runner->args->word->str);
     v = var(runner->args->word->str);
     poplist();
 
-    //globlist();
+    globargs();
     freewords(v->val);
     v->val = runner->args->word;
     v->new = 1;
@@ -991,7 +1013,7 @@ Xlocal(void)
         Xerror("variable name must be singleton\n");
         return;
     }
-    //deglob(shell->args->word->str);
+    deglob(runner->args->word->str);
 
     runner->local      = makevar(strdup(runner->args->word->str), runner->local);
     runner->local->val = copywords(runner->args->link->word, nil);
@@ -1141,6 +1163,7 @@ Xbasic(void)
     int pid, status;
     struct Builtin *b;
 
+    globargs();
     arg = runner->args->word;
     if(!arg){
         Xerror("empty argument list\n");
@@ -1189,6 +1212,8 @@ Xcount(void)
     }
 
     str = runner->args->word->str;
+    deglob(str);
+
     arg = var(str)->val;
     poplist();
 
@@ -1209,6 +1234,8 @@ Xflat(void)
     }
 
     str = runner->args->word->str;
+    deglob(str);
+
     arg = var(str)->val;
     poplist();
 
-- 
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