1 files changed, 127 insertions, 0 deletions
diff --git a/utils/Burg/fe.h b/utils/Burg/fe.h
new file mode 100644
index 0000000000..5cef79bbe1
--- /dev/null
+++ b/utils/Burg/fe.h
@@ -0,0 +1,127 @@
+/* $Id$ */
+
+struct binding {
+	char	*name;
+	int	opnum;
+};
+typedef struct binding	*Binding;
+
+struct arity {
+	int	arity;
+	List	bindings;
+};
+typedef struct arity	*Arity;
+
+struct patternAST {
+	struct symbol *sym;
+	char	*op;
+	List	children;
+};
+typedef struct patternAST	*PatternAST;
+
+struct ruleAST {
+	char			*lhs;
+	PatternAST		pat;
+	int			erulenum;
+	IntList			cost;
+	struct rule		*rule;
+	struct strTableElement	*kids;
+	struct strTableElement	*nts;
+};
+typedef struct ruleAST	*RuleAST;
+
+typedef enum {
+	UNKNOWN,
+	OPERATOR,
+	NONTERMINAL
+} TagType;
+
+struct symbol {
+	char	*name;
+	TagType	tag;
+	union {
+		NonTerminal	nt;
+		Operator	op;
+	} u;
+};
+typedef struct symbol	*Symbol;
+
+struct strTableElement {
+	char *str;
+	IntList erulenos;
+	char *ename;
+};
+typedef struct strTableElement	*StrTableElement;
+
+struct strTable {
+	List elems;
+};
+typedef struct strTable	*StrTable;
+
+extern StrTable newStrTable ARGS((void));
+extern StrTableElement addString ARGS((StrTable, char *, int, int *));
+
+extern void doSpec ARGS((List, List));
+extern Arity newArity ARGS((int, List));
+extern Binding newBinding ARGS((char *, int));
+extern PatternAST newPatternAST ARGS((char *, List));
+extern RuleAST newRuleAST ARGS((char *, PatternAST, int, IntList));
+extern Symbol enter ARGS((char *, int *));
+extern Symbol newSymbol ARGS((char *));
+
+extern void makeDebug ARGS((void));
+extern void makeSimple ARGS((void));
+extern void makePlanks ARGS((void));
+extern void makeOpLabel ARGS((void));
+extern void makeChild ARGS((void));
+extern void makeOperators ARGS((void));
+extern void makeLabel ARGS((void));
+extern void makeString ARGS((void));
+extern void makeString ARGS((void));
+extern void makeReduce ARGS((void));
+extern void makeRuleTable ARGS((void));
+extern void makeTables ARGS((void));
+extern void makeTreecost ARGS((void));
+extern void makePrint ARGS((void));
+extern void makeRule ARGS((void));
+extern void makeNts ARGS((void));
+extern void makeKids ARGS((void));
+extern void startBurm ARGS((void));
+extern void startOptional ARGS((void));
+extern void makePlankLabel ARGS((void));
+extern void makeStateLabel ARGS((void));
+extern void makeStringArray ARGS((void));
+extern void makeNonterminalArray ARGS((void));
+extern void makeCostArray ARGS((void));
+extern void makeLHSmap ARGS((void));
+extern void makeClosureArray ARGS((void));
+extern void makeOperatorVector ARGS((void));
+extern void endOptional ARGS((void));
+extern void reportDiagnostics ARGS((void));
+extern void makeNonterminals ARGS((void));
+extern int opsOfArity ARGS((int));
+
+extern void yypurge ARGS((void));
+extern void yyfinished ARGS((void));
+
+extern void printRepresentative ARGS((FILE *, Item_Set));
+
+extern void dumpRules ARGS((List));
+extern void dumpDecls ARGS((List));
+extern void dumpRuleAST ARGS((RuleAST));
+extern void dumpPatternAST ARGS((PatternAST));
+extern void dumpArity ARGS((Arity));
+extern void dumpBinding ARGS((Binding));
+extern void dumpStrTable ARGS((StrTable));
+
+extern int yylex ARGS((void));
+extern int yyparse ARGS((void));
+
+extern int	max_ruleAST;
+extern List	ruleASTs;
+
+extern FILE	*outfile;
+extern char	*prefix;
+extern int 	trimflag;
+extern int 	speedflag;
+extern int 	grammarflag;