shithub: scc

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This commit is a shit

I have commit a lot of different things not directly related between
them.

--- a/code.c

+++ b/code.c

@@ -18,4 +18,22 @@

 	else

 		c = 'A';

 	printf("\t%c%d", c, sym->id);

-}

\ No newline at end of file

+}

+

+void

+emitfun(struct symbol *sym)

+{

+	printf("X%s\n", sym->name);

+}

+

+void

+emitframe(struct symbol *sym)

+{

+	puts("{");

+}

+

+void

+emitret(struct symbol *sym)

+{

+	puts("}");

+}

--- /dev/null

+++ b/code.h

@@ -1,0 +1,10 @@

+

+#ifndef CODE_H_

+#define CODE_H_

+

+struct symbol;

+

+extern void emitsym(struct symbol *sym),  emitfun(struct symbol *sym),

+	emitframe(struct symbol *sym), emitret(struct symbol *sym);

+

+#endif

--- a/decl.c

+++ b/decl.c

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

 #include "sizes.h"

 #include "cc.h"

 #include "tokens.h"

-#include "syntax.h"

 #include "symbol.h"

 #include "machine.h"

@@ -56,6 +55,7 @@

 newiden(uint8_t ns)

 {

 	struct symbol *sym;

+	extern uint8_t curctx;

 	if (yylval.sym && yylval.sym->ctx == curctx)

 		error("redeclaration of '%s'", yytext);

@@ -492,14 +492,15 @@

 	if (yytoken != ';') {

 		do {

-			extern void printtype(struct ctype *tp);

 			sym = declarator(tp, NS_IDEN, ID_EXPECTED);

-			printtype(sym->type);

 			if (!(sclass & STATIC))

 				sym->s.isglobal = 1;

 			if (ISFUN(sym->type)) {

+				emitfun(sym);

 				if (yytoken == '{') {

+					emitframe(sym);

 					context(compound);

+					emitret(sym);

 					freesyms(NS_LABEL);

 					return;

 				}

--- a/expr.c

+++ b/expr.c

@@ -32,11 +32,19 @@

 		expect(')');

 		break;

 	default:

-		tp = NULL;

+		error("unexpected '%s'", yytoken);

 	}

 	return tp;

 }

+static struct ctype *

+postfix(void)

+{

+	struct ctype * tp;

+

+	tp = primary();

+}

+

 struct ctype *

 expr(void)

 {

@@ -43,7 +51,7 @@

 	register struct ctype *tp;

 	do

-		tp = primary();

+		tp = postfix();

 	while (yytoken == ',');

 	return tp;

--- /dev/null

+++ b/stmt.c

@@ -1,0 +1,25 @@

+

+#include <stdint.h>

+

+#include "symbol.h"

+#include "tokens.h"

+

+

+void

+compound(void)

+{

+	extern struct ctype *expr(void);

+	extern void decl(void);

+

+	expect('{');

+	while (!accept('}')) {

+		switch (yytoken) {

+		case TYPE: case SCLASS: case TQUALIFIER:

+			decl();

+			break;

+		default:

+			expr();

+		}

+		expect(';');

+	}

+}

\ No newline at end of file