shithub: scc

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Add out of function expressions

This funtcionality is needed for boxer.

--- a/cc.h

+++ b/cc.h

@@ -222,4 +222,7 @@

 #define ISNODEBIN(n) ((n)->code == emitbin)

 #define ISNODELOG(n) (ISNODEBIN(n) && (n)->u.op & 0x40)

+extern Node *expr(void);

+extern void extdecl(void), decl(void), compound(void);

+

 #endif

--- a/decl.c

+++ b/decl.c

@@ -470,7 +470,6 @@

 	int8_t sclass;

 	Symbol *sym;

 	char *err;

-	extern void compound(void);

 	forbid_eof = 0; /* TODO: Fix when find EOF */

@@ -481,6 +480,10 @@

 			goto bad_storage;

 	case ';':

 		break;

+	case '@':

+		next();

+		emitexp(expr());

+		return;

 	default:

 		goto dcl_expected;

 	}

--- a/main.c

+++ b/main.c

@@ -4,7 +4,7 @@

 #include "cc.h"

-extern void extdecl(void), init_keywords(void),

+extern void init_keywords(void),

 	open_file(const char *file),  init_expr(void);

 struct user_opt options;

--- a/stmt.c

+++ b/stmt.c

@@ -6,8 +6,6 @@

 Symbol *curfun;

-extern void decl(void);

-extern Node *expr(void);

 extern Node *convert(Node *np, Type *tp1, char iscast);

 static void