fixed error printing problem, added new test: use

4 files changed, 64 insertions, 4 deletions

diff --git a/tests/io.toc b/tests/io.toc
index d3ce467..2c82dc9 100644
--- a/tests/io.toc
+++ b/tests/io.toc
@@ -2,16 +2,19 @@ putchar ::= #foreign("putchar", "libc.so.6") fn(#C int) #C int;
 toc_putchar ::= fn(x: char) {
 	putchar(x as #C int);
 }
+printf ::= #foreign("printf", "libc.so.6") fn(#C &"char const", #C ..) #C int; 
 
+writes ::= fn(x: []char) {
+	printf_strfmt := "%s\0";
+	printf(&printf_strfmt[0], &x[0]);
+}
 
 puts ::= fn(x: []char) {
-	for c := x {
-		toc_putchar(c);
-	}
+	writes(x);
 	toc_putchar('\n');
 }
 
-puti ::= fn(x: int) {
+writei ::= fn(x: int) {
 	if x < 0 {
 	   toc_putchar('-');
 	   // NOTE: don't do x = -x; here to make sure I64_MIN works
@@ -31,5 +34,10 @@ puti ::= fn(x: int) {
 			scan_digit /= 10;
 		}
 	}
+}
+
+puti ::= fn(x: int) {
+	writei(x);
 	toc_putchar('\n');
 }
+
diff --git a/tests/test.sh b/tests/test.sh
index a603767..e6e8fe5 100755
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -13,6 +13,7 @@ params
 nms
 varargs
 printf
+use
 misc'
 
 STARTPWD=$(pwd)
diff --git a/tests/use.toc b/tests/use.toc
new file mode 100644
index 0000000..f1228f6
--- /dev/null
+++ b/tests/use.toc
@@ -0,0 +1,45 @@
+#include "io.toc", io;
+#include "mem.toc", mem;
+
+use mem;
+
+Point ::= struct {	
+	x: int;
+	y: int;
+	a ::= 3;
+}
+
+make_point ::= fn (x_: int, y_: int) use p: Point {
+	x = x_+a;
+	y = y_+a;
+}
+
+main ::= fn() {
+
+	use io;
+
+	{
+		use p: Point;
+		use io;
+		x = 5;
+		puti(x);
+	}
+
+
+
+	ps := news(Point, 5);
+	for p := &ps {
+		*p = make_point(3, 5);
+	}
+	for use p, i := &ps {
+		x += i;
+		y += 2*i;
+	}
+	for use p := ps {
+		writei(x);
+		writes(" ");
+		writei(y);
+		puts("");
+	}
+	dels(ps);
+}
diff --git a/tests/use_expected b/tests/use_expected
new file mode 100644
index 0000000..d47a933
--- /dev/null
+++ b/tests/use_expected
@@ -0,0 +1,6 @@
+5
+6 8
+7 10
+8 12
+9 14
+10 16