move sturct definitions for basic types to type-specific headers respectively

src/error.c

@@ -8,6 +8,7 @@
 
 #include "picrin.h"
 #include "picrin/pair.h"
+#include "picrin/string.h"
 #include "picrin/error.h"
 
 const char *
@@ -30,7 +31,7 @@ raise(pic_state *pic, struct pic_error *e)
 }
 
 NORETURN static void
-error(pic_state *pic, struct pic_string *msg, pic_value irrs)
+error(pic_state *pic, pic_str *msg, pic_value irrs)
 {
   struct pic_error *e;
 

src/gc.c

@@ -6,6 +6,9 @@
 
 #include "picrin.h"
 #include "picrin/gc.h"
+#include "picrin/pair.h"
+#include "picrin/string.h"
+#include "picrin/vector.h"
 #include "picrin/irep.h"
 #include "picrin/proc.h"
 #include "picrin/port.h"

src/macro.c

@@ -4,6 +4,7 @@
 
 #include "picrin.h"
 #include "picrin/pair.h"
+#include "picrin/string.h"
 #include "picrin/proc.h"
 #include "picrin/macro.h"
 #include "picrin/lib.h"

src/parse.y

@@ -8,6 +8,8 @@
 
 #include "picrin.h"
 #include "picrin/pair.h"
+#include "picrin/string.h"
+#include "picrin/vector.h"
 #include "picrin/blob.h"
 #include "picrin/parse.h"
 

src/port.c

@@ -8,6 +8,7 @@
 #include "picrin.h"
 #include "picrin/proc.h"
 #include "picrin/port.h"
+#include "picrin/string.h"
 #include "picrin/blob.h"
 
 pic_value

src/string.c

@@ -5,6 +5,7 @@
 #include <string.h>
 
 #include "picrin.h"
+#include "picrin/string.h"
 #include "picrin/pair.h"
 #include "picrin/port.h"
 

src/symbol.c

@@ -7,6 +7,7 @@
 #include <math.h>
 
 #include "picrin.h"
+#include "picrin/string.h"
 
 pic_sym
 pic_intern_cstr(pic_state *pic, const char *str)

src/system.c

@@ -5,6 +5,7 @@
 #include <stdlib.h>
 
 #include "picrin.h"
+#include "picrin/string.h"
 #include "picrin/pair.h"
 
 static pic_value

src/vector.c

@@ -3,6 +3,7 @@
  */
 
 #include "picrin.h"
+#include "picrin/vector.h"
 #include "picrin/pair.h"
 
 struct pic_vector *

src/vm.c

@@ -9,6 +9,8 @@
 
 #include "picrin.h"
 #include "picrin/pair.h"
+#include "picrin/string.h"
+#include "picrin/vector.h"
 #include "picrin/proc.h"
 #include "picrin/port.h"
 #include "picrin/irep.h"

src/write.c

@@ -5,6 +5,8 @@
 #include "picrin.h"
 #include "picrin/port.h"
 #include "picrin/pair.h"
+#include "picrin/string.h"
+#include "picrin/vector.h"
 #include "picrin/blob.h"
 #include "picrin/macro.h"