shithub: scc

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Use a TQUALIFIER token

This token help us in order to know that the next token is the
name of a qualifier specifier, so it is easier to detect a declaration.

--- a/decl.c

+++ b/decl.c

@@ -178,8 +178,8 @@

 {

 	for (;; next()) {

 		switch (yytoken) {

-		case CONST:  case VOLATILE:

-			qlf = qualifier(qlf, yytoken);

+		case TQUALIFIER:

+			qlf = qualifier(qlf, yyval->c);

 			break;

 		case STORAGE:

 			store = storage(store, yyval->c);

--- a/lex.c

+++ b/lex.c

@@ -129,7 +129,7 @@

 		{"_Complex", TYPE, COMPLEX},

 		{"case", CASE, CASE},

 		{"char", TYPE, CHAR},

-		{"const", CONST, CONST},

+		{"const", TQUALIFIER, CONST},

 		{"continue", CONTINUE, CONTINUE},

 		{"default", DEFAULT, DEFAULT},

 		{"do", DO, DO},

@@ -157,7 +157,7 @@

 		{"union", UNION, UNION},

 		{"unsigned", TYPE, UNSIGNED},

 		{"void", TYPE, VOID},

-		{"volatile", VOLATILE, VOLATILE},

+		{"volatile", TQUALIFIER, VOLATILE},

 		{"while", WHILE, WHILE},

 		{NULL, 0, 0},

 	};

--- a/tokens.h

+++ b/tokens.h

@@ -15,7 +15,7 @@

 	/* storage specifier */

 	TYPEDEF, EXTERN, STATIC, AUTO, REGISTER, STORAGE,

 	/* type qualifier */

-	VOLATILE, CONST, RESTRICT,

+	VOLATILE, CONST, RESTRICT, TQUALIFIER,

 	/* sign specifier */

 	UNSIGNED, SIGNED,

 	/* other tokens */