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📁 ..
📄 README(142 B)
📁 btyacc
📄 btyacc_calc1.y(4.42 KB)
📄 btyacc_demo.y(6.55 KB)
📄 btyacc_destroy1.y(1.56 KB)
📄 btyacc_destroy2.y(1.56 KB)
📄 btyacc_destroy3.y(1.56 KB)
📄 calc.y(1.84 KB)
📄 calc1.y(4.22 KB)
📄 calc2.y(2.31 KB)
📄 calc3.y(2.37 KB)
📄 calc_code_all.y(2.07 KB)
📄 calc_code_default.y(1.92 KB)
📄 calc_code_imports.y(1.92 KB)
📄 calc_code_provides.y(1.92 KB)
📄 calc_code_requires.y(1.92 KB)
📄 calc_code_top.y(1.91 KB)
📄 code_calc.y(1.92 KB)
📄 code_debug.y(341 B)
📄 code_error.y(341 B)
📄 empty.y(290 B)
📄 err_inherit1.y(1.09 KB)
📄 err_inherit2.y(1.39 KB)
📄 err_inherit3.y(1.38 KB)
📄 err_inherit4.y(1.41 KB)
📄 err_inherit5.y(1.37 KB)
📄 err_syntax1.y(272 B)
📄 err_syntax10.y(323 B)
📄 err_syntax11.y(292 B)
📄 err_syntax12.y(303 B)
📄 err_syntax13.y(299 B)
📄 err_syntax14.y(296 B)
📄 err_syntax15.y(286 B)
📄 err_syntax16.y(330 B)
📄 err_syntax17.y(273 B)
📄 err_syntax18.y(319 B)
📄 err_syntax19.y(324 B)
📄 err_syntax2.y(272 B)
📄 err_syntax20.y(347 B)
📄 err_syntax21.y(355 B)
📄 err_syntax22.y(410 B)
📄 err_syntax23.y(418 B)
📄 err_syntax24.y(415 B)
📄 err_syntax25.y(454 B)
📄 err_syntax26.y(71 B)
📄 err_syntax27.y(2.36 KB)
📄 err_syntax3.y(296 B)
📄 err_syntax4.y(268 B)
📄 err_syntax5.y(301 B)
📄 err_syntax6.y(296 B)
📄 err_syntax7.y(292 B)
📄 err_syntax7a.y(293 B)
📄 err_syntax7b.y(291 B)
📄 err_syntax8.y(287 B)
📄 err_syntax8a.y(291 B)
📄 err_syntax9.y(307 B)
📄 error.y(269 B)
📄 expr.oxout.y(29.75 KB)
📄 grammar.y(26.98 KB)
📄 inherit0.y(797 B)
📄 inherit1.y(1.38 KB)
📄 inherit2.y(1.37 KB)
📄 ok_syntax1.y(2.92 KB)
📄 pure_calc.y(2.03 KB)
📄 pure_error.y(496 B)
📄 quote_calc.y(1.97 KB)
📄 quote_calc2.y(1.97 KB)
📄 quote_calc3.y(2.03 KB)
📄 quote_calc4.y(2.08 KB)
📄 run_lint.sh(509 B)
📄 run_make.sh(3.58 KB)
📄 run_test.sh(5.9 KB)
📄 varsyntax_calc1.y(4.48 KB)
📁 yacc

Editing: btyacc_destroy2.y

%parse-param { struct parser_param *param } { int flag }

%{
#include <stdlib.h>

typedef enum {cGLOBAL, cLOCAL} class;
typedef enum {tREAL, tINTEGER} type;
typedef char * name;

struct symbol { class c; type t; name id; };
typedef struct symbol symbol;

struct namelist { symbol *s; struct namelist *next; };
typedef struct namelist namelist;

struct parser_param {
	int *rtrn;
	symbol ss;
};

extern symbol *mksymbol(type t, class c, name id);

#ifdef YYBISON
#define YYLEX_DECL() yylex(void)
#define YYERROR_DECL() yyerror(const char *s)
#endif
%}

%token <cval> GLOBAL LOCAL
%token <tval> REAL INTEGER
%token <id>   NAME

%type <nlist> declaration
%type <nlist> locnamelist
%type <cval>  class
%type <tval>  type
%type <nlist>  namelist

%destructor { if (!param->rtrn) close($$); } <file>

%destructor	{
		  namelist *p = $$;
		  while (p != NULL)
		  { namelist *pp = p;
		    p = p->next;
		    free(pp->s); free(pp);
		  }
		} declaration

%union
{
    class	cval;
    type	tval;
    namelist *	nlist;
    name	id;
}

%start declaration

%%
declaration: class type namelist'(' class ',' type ')'
	{ $$ = $3; }
	| type locnamelist '(' class ')'
	{ $$ = $2; }
	;

class	: GLOBAL { $$ = cGLOBAL; }
	| LOCAL  { $$ = cLOCAL; }
	;

type	: REAL    { $$ = tREAL; }
	| INTEGER { $$ = tINTEGER; }
	;

namelist: namelist NAME
	    { $$->s = mksymbol($<tval>0, $<cval>0, $2);
	      $$->next = $1;
	    }
	| NAME
	    { $$->s = mksymbol(0, 0, $1);
	      $$->next = NULL;
	    }
	;

locnamelist: namelist '(' LOCAL ',' type ')'
	{ $$ = $1; }
	;
%%

extern int YYLEX_DECL();
extern void YYERROR_DECL();

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Editing: btyacc_destroy2.y

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