shithub: mc

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Improve line number reporting

    We now actually track lines in tokens.

--- a/parse/gram.y

+++ b/parse/gram.y

@@ -123,10 +123,12 @@

 %union {

     struct {

+        int line;

         Node **nl;

         size_t nn;

     } nodelist;

     struct {

+        int line;

         Type **types;

         size_t ntypes;

     } tylist;

@@ -202,13 +204,13 @@

         ;

 declcore: name 

-            {$$ = mkdecl(line, mksym(line, $1, mktyvar(line)));}

+            {$$ = mkdecl($1->line, mksym($1->line, $1, mktyvar($1->line)));}

         | name TColon type

-            {$$ = mkdecl(line, mksym(line, $1, $3));}

+            {$$ = mkdecl($1->line, mksym($1->line, $1, $3));}

         ;

 name    : TIdent

-            {$$ = mkname(line, $1->str);}

+            {$$ = mkname($1->line, $1->str);}

         | TIdent TDot name

             {$$ = $3; setns($3, $1->str);}

         ;

@@ -225,11 +227,11 @@

 compoundtype

         : functype   {$$ = $1;}

-        | type TOsqbrac TComma TCsqbrac {$$ = mktyslice(line, $1);}

-        | type TOsqbrac expr TCsqbrac {$$ = mktyarray(line, $1, $3);}

-        | type TStar {$$ = mktyptr(line, $1);}

-        | name       {$$ = mktynamed(line, $1);}

-        | TAt TIdent {$$ = mktyparam(line, $2->str);}

+        | type TOsqbrac TComma TCsqbrac {$$ = mktyslice($2->line, $1);}

+        | type TOsqbrac expr TCsqbrac {$$ = mktyarray($2->line, $1, $3);}

+        | type TStar {$$ = mktyptr($2->line, $1);}

+        | name       {$$ = mktynamed($1->line, $1);}

+        | TAt TIdent {$$ = mktyparam($1->line, $2->str);}

         ;

 functype: TOparen funcsig TCparen {$$ = $2;}

@@ -236,13 +238,15 @@

         ;

 funcsig : argdefs 

-            {$$ = mktyfunc(line, $1.nl, $1.nn, mktyvar(line));}

+            {$$ = mktyfunc($1.line, $1.nl, $1.nn, mktyvar($1.line));}

         | argdefs TRet type 

-            {$$ = mktyfunc(line, $1.nl, $1.nn, $3);}

+            {$$ = mktyfunc($1.line, $1.nl, $1.nn, $3);}

         ;

 argdefs : declcore 

-            {$$.nl = NULL; $$.nn = 0; nlappend(&$$.nl, &$$.nn, $1);}

+            {$$.line = $1->line;

+             $$.nl = NULL;

+             $$.nn = 0; nlappend(&$$.nl, &$$.nn, $1);}

         | argdefs TComma declcore 

             {nlappend(&$$.nl, &$$.nn, $3);}

         ;

@@ -268,7 +272,7 @@

 uniondef

         : TUnion unionbody TEndblk 

-            {$$ = mktyunion(line, $2.nl, $2.nn);}

+            {$$ = mktyunion($1->line, $2.nl, $2.nn);}

         ;

 unionbody

@@ -302,7 +306,7 @@

         ;

 retexpr : TRet exprln

-            {$$ = mkexpr(line, Oret, $2, NULL);}

+            {$$ = mkexpr($1->line, Oret, $2, NULL);}

         | exprln

         ;

@@ -418,7 +422,7 @@

 atomicexpr

         : TIdent        

-            {$$ = mkexpr(line, Ovar, mkname(line, $1->str), NULL);}

+            {$$ = mkexpr($1->line, Ovar, mkname($1->line, $1->str), NULL);}

         | literal

         | TOparen expr TCparen 

             {$$ = $2;}

@@ -495,7 +499,7 @@

 blockbody

         : stmt 

             {

-                $$ = mkblock(line, NULL); 

+                $$ = mkblock($1->line, NULL); 

                 nlappend(&$$->block.stmts, &$$->block.nstmts, $1);

             }

         | blockbody stmt 

--- a/parse/parse.h

+++ b/parse/parse.h

@@ -176,8 +176,8 @@

 /* globals */

 extern int debug;

 extern char *filename;

-extern int line;

 extern int ignorenl;

+extern int line;

 extern Tok *curtok;

 extern Node *file;

--- a/parse/use.c

+++ b/parse/use.c

@@ -13,4 +13,11 @@

 void readuse(Node *use, Stab *st)

 {

+    die("Unimplmented use loading");

 }

+

+void writeuse(Node *file, FILE *out)

+{

+    die("Unimplemented use writing");

+}

+