delinted somewhat

lang/m2/comp/LLlex.c

@@ -400,7 +400,7 @@ again:
 		*/
 		enum statetp {Oct,OptHex,Hex,Dec,OctEndOrHex,End,OptReal,Real};
 		register enum statetp state;
-		register int base;
+		register int base = 8;
 		register char *np = &buf[1];
 					/* allow a '-' to be added	*/
 
@@ -416,7 +416,6 @@ again:
 					LoadChar(ch);
 				}
 				if (ch == 'B' || ch == 'C') {
-					base = 8;
 					state = OctEndOrHex;
 					break;
 				}
@@ -480,7 +479,6 @@ again:
 				UnloadChar(ch);
 				ch = *--np;
 				*np++ = '\0';
-				base = 8;
 				/* Fall through */
 				
 			case End: {

lang/m2/comp/Makefile

@@ -10,6 +10,7 @@ MKDEP =		$(EMHOME)/bin/mkdep
 PRID =		$(EMHOME)/bin/prid
 CID =		$(EMHOME)/bin/cid
 CURRDIR =	.
+LINT =		lint
 
 INCLUDES = -I$(MHDIR) -I$(EMHOME)/h -I$(PKGDIR)
 OLIBS = $(LIBDIR)/libem_mes.a $(OBJECTCODE) $(LIBDIR)/libinput.a $(LIBDIR)/libassert.a $(LIBDIR)/liballoc.a $(MALLOC) $(LIBDIR)/libprint.a $(LIBDIR)/libstring.a $(LIBDIR)/libsystem.a
@@ -20,7 +21,8 @@ GFILES =$(GENGFILES) $(GF)
 LLGENOPTIONS = -v
 PROFILE =
 COPTIONS=
-CFLAGS = $(PROFILE) $(INCLUDES) $(COPTIONS) -O -DSTATIC=
+OPTIM=-O
+CFLAGS = $(PROFILE) $(INCLUDES) $(COPTIONS) $(OPTIM) -DSTATIC=
 LINTFLAGS = -DSTATIC= -DNORCSID
 MALLOC = $(LIBDIR)/malloc.o
 LDFLAGS = -i $(PROFILE)
@@ -153,7 +155,7 @@ depend: Cfiles
 #INCLINCLINCLINCL
 
 Xlint:
-	lint $(INCLUDES) $(LINTFLAGS) $(SRC) \
+	$(LINT) $(INCLUDES) $(LINTFLAGS) $(SRC) \
 		$(LIBDIR)/llib-lem_mes.ln \
 		$(LIBDIR)/llib-lemk.ln \
 		$(LIBDIR)/llib-linput.ln \

lang/m2/comp/code.c

@@ -480,7 +480,7 @@ CodeStd(nd)
 {
 	register t_node *arg = nd->nd_right;
 	register t_node *left = 0;
-	register t_type *tp;
+	register t_type *tp = 0;
 	int std = nd->nd_left->nd_def->df_value.df_stdname;
 
 	if (arg) {
@@ -863,12 +863,10 @@ CodeOper(expr, true_label, false_label)
 		break;
 	case OR:
 	case AND: {
-		label  l_maybe = ++text_label, l_end;
+		label  l_maybe = ++text_label, l_end = NO_LABEL;
 		t_desig *Des = new_desig();
-		int genlabels = 0;
 
 		if (true_label == NO_LABEL)	{
-			genlabels = 1;
 			true_label = ++text_label;
 			false_label = ++text_label;
 			l_end = ++text_label;
@@ -881,7 +879,7 @@ CodeOper(expr, true_label, false_label)
 		def_ilb(l_maybe);
 		clear((char *) Des, sizeof(t_desig));
 		CodeExpr(rightop, Des, true_label, false_label);
-		if (genlabels) {
+		if (l_end != NO_LABEL) {
 			def_ilb(true_label);
 			c_loc(1);
 			C_bra(l_end);

lang/m2/comp/cstoper.c

@@ -68,7 +68,7 @@ cstunary(expp)
 		expression below it, and the result restored in expp.
 	*/
 	register t_node *right = expp->nd_right;
-	arith o1;
+	arith o1 = right->nd_INT;
 
 	switch(expp->nd_symb) {
 	/* Should not get here
@@ -77,15 +77,15 @@ cstunary(expp)
 	*/
 
 	case '-':
-		if (right->nd_INT == min_int[(int)(right->nd_type->tp_size)])
+		if (o1 == min_int[(int)(right->nd_type->tp_size)])
 			overflow(expp);
 		
-		o1 = -right->nd_INT;
+		o1 = -o1;
 		break;
 
 	case NOT:
 	case '~':
-		o1 = !right->nd_INT;
+		o1 = !o1;
 		break;
 
 	default:

lang/m2/comp/def.c

@@ -27,6 +27,8 @@
 #include	"Lpars.h"
 #include	"warning.h"
 
+extern char *sprint();
+
 STATIC
 internal(c)
 	register char *c;
@@ -254,7 +256,6 @@ DeclProc(type, id)
 	*/
 	register t_def *df;
 	register t_scope *scope;
-	extern char *sprint();
 	static int nmcount;
 	char buf[256];
 
@@ -338,7 +339,6 @@ DefineLocalModule(id)
 	register t_scope *sc;
 	static int modulecount = 0;
 	char buf[256];
-	extern char *sprint();
 	extern int proclevel;
 
 	sprint(buf, "_%d%s_", ++modulecount, id->id_text);

lang/m2/comp/defmodule.c

@@ -105,6 +105,7 @@ GetDefinitionModule(id, incr)
 		ForeignFlag = 0;
 		DefId = id;
 		open_scope(CLOSEDSCOPE);
+		vis = CurrVis;
 		if (!strcmp(id->id_text, "SYSTEM")) {
 			do_SYSTEM();
 			df = lookup(id, GlobalScope, D_IMPORTED, 0);
@@ -138,7 +139,6 @@ GetDefinitionModule(id, incr)
 				df = lookup(id, GlobalScope, D_IMPORTED, 0);
 				newsc->sc_name = id->id_text;
 			}
-			vis = CurrVis;
 		}
 		close_scope(SC_CHKFORW);
 		if (! df) {

lang/m2/comp/program.g

@@ -27,6 +27,8 @@
 #include	"f_info.h"
 #include	"warning.h"
 
+extern t_def	*GetDefinitionModule();
+
 }
 /*
 	The grammar as given by Wirth is already almost LL(1); the
@@ -95,8 +97,13 @@ import(int local;)
 	t_node		*ImportList;
 	register t_node	*FromId = 0;
 	register t_def	*df;
-	extern t_def	*GetDefinitionModule();
 } :
+	/*
+	   When parsing a global module, this is the place where we must
+	   read already compiled definition modules.
+	   If the FROM clause is present, the identifier in it is a module
+	   name, otherwise the names in the import list are module names.
+	*/
 	[ FROM
 	  IDENT		{ FromId = dot2leaf(Name);
 			  if (local) {
@@ -104,21 +111,16 @@ import(int local;)
 			  }
 			  else df = GetDefinitionModule(dot.TOK_IDF, 1);
 			}
-	|
-	]
 	  IMPORT IdentList(&ImportList) ';'
-	/*
+			{ EnterFromImportList(ImportList, df, FromId); }
-	   When parsing a global module, this is the place where we must
+	|
-	   read already compiled definition modules.
+	  IMPORT IdentList(&ImportList) ';'
-	   If the FROM clause is present, the identifier in it is a module
+			{ EnterImportList(ImportList,
-	   name, otherwise the names in the import list are module names.
-	*/
-			{ if (FromId) {
-				EnterFromImportList(ImportList, df, FromId);
-			  }
-			  else EnterImportList(ImportList,
 					  local,
 					  enclosing(CurrVis)->sc_scope);
+			}
+	]
+			{
 			  FreeNode(ImportList);
 			}
 ;
@@ -207,7 +209,6 @@ definition
 
 ProgramModule
 {
-	extern t_def	*GetDefinitionModule();
 	register t_def	*df;
 } :
 	MODULE

lang/m2/comp/walk.c

@@ -366,7 +366,7 @@ WalkProcedure(procedure)
 	WalkDefList(procscope->sc_def, UseWarnings);
 }
 
-static int
+static
 WalkDef(df)
 	register t_def *df;
 {
@@ -394,7 +394,7 @@ WalkDef(df)
 	}
 }
 
-static int
+static
 MkCalls(df)
 	register t_def *df;
 {
@@ -570,10 +570,8 @@ WalkStat(nd, exit_label)
 					ForLoopVarExpr(nd);
 					C_stl(tmp2);
 				}
-			}
 				WalkNode(right, exit_label);
 				nd->nd_def->df_flags &= ~D_FORLOOP;
-			if (good_forvar) {
 				if (tmp2 != 0) {
 					label x = ++text_label;
 					C_lol(tmp2);
@@ -598,6 +596,10 @@ WalkStat(nd, exit_label)
 					CodeDStore(nd);
 				}
 			}
+			else {
+				WalkNode(right, exit_label);
+				nd->nd_def->df_flags &= ~D_FORLOOP;
+			}
 			C_bra(l1);
 			def_ilb(l2);
 			FreeInt(tmp);
@@ -830,38 +832,36 @@ DoAssign(left, right)
 	free_desig(dsr);
 }
 
-static int
+static
 RegisterMessage(df)
 	register t_def *df;
 {
 	register t_type *tp;
-	arith sz;
-	int regtype;
 
 	if (df->df_kind == D_VARIABLE) {
 		if ( !(df->df_flags & D_NOREG)) {
 			/* Examine type and size
 			*/
-			regtype = -1;
 			tp = BaseType(df->df_type);
 			if ((df->df_flags & D_VARPAR) ||
 			    (tp->tp_fund&(T_POINTER|T_HIDDEN|T_EQUAL))) {
-				sz = pointer_size;
+				C_ms_reg(df->var_off,
-				regtype = reg_pointer;
+					 pointer_size,
+					 reg_pointer,
+					 0);
 			}
 			else if (tp->tp_fund & T_NUMERIC) {
-				sz = tp->tp_size;
+				C_ms_reg(df->var_off,
-				regtype = tp->tp_fund == T_REAL ?
+					 tp->tp_size,
-					    reg_float : reg_any;
+					 tp->tp_fund == T_REAL ?
-			}
+					    reg_float : reg_any,
-			if (regtype >= 0) {
+					 0);
-				C_ms_reg(df->var_off, sz, regtype, 0);
 			}
 		}
 	}
 }
 
-static int
+static
 UseWarnings(df)
 	register t_def *df;
 {