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-terminal NUM IDEN ATOM
COMMA SEMICOL DOT COLON
RPAREN LPAREN RBRACE LBRACE
TYPELIST_START TYPELIST_END
T_INT T_ENUM T_STRUCT
ST_FUNCTION ST_BIG ST_LITTLE ST_NATIVE;
-nonterminal S exprlist expr sym fieldlist basetype subtypelist.
-stacktype { union {
struct ast_expr expr;
int num;
char *str;
struct ast_vrbl vrbl;
struct strlist strlist;
struct list_head *list;
struct { int type; char *iden; } basetype;
struct { int type; struct list_head *exprlist; } subtype;
}}.
-left LPAREN;
-left COMMA SEMICOL.
S: exprlist DOT { v = A(0); };
exprlist: expr { v = g_LST(A(0).expr); /* determine type??? */ }
| expr exprlist { v = g_LST(A(0).expr); v.list->next = A(1).list; }
| exprlist COMMA exprlist
{ v = g_LST(AST(expr, .type = AST_OPERATION, .operation =
AST(oprn, .optype = AST_OP_AND, .left_exprlist = A(0).list, .right_exprlist = A(2).list))); }
| exprlist SEMICOL exprlist
{ v = g_LST(AST(expr, .type = AST_OPERATION, .operation =
AST(oprn, .optype = AST_OP_OR, .left_exprlist = A(0).list, .right_exprlist = A(2).list)));};
expr: NUM { v = g_AST(expr, .type = AST_NUMBER, .number = A(0).num); }
| sym { v = g_AST(expr, .type = AST_VARIABLE, .variable = A(0).vrbl); }
| sym fieldlist
{ v = g_AST(expr, .type = AST_FIELDLIST, .fieldlist = AST(fiel, .variable = A(0).vrbl, .fields_strlist = A(1).list)); }
| sym TYPELIST_START basetype TYPELIST_END
{ v = g_AST(expr, .type = AST_DECLARATION, .variable = A(0).vrbl,
.datatype = NEW(datatype, .typeflags = A(2).basetype.type,
.iden = A(2).basetype.iden)); }
| sym TYPELIST_START basetype subtypelist TYPELIST_END
{ v = g_AST(expr, .type = AST_DECLARATION, .variable = A(0).vrbl,
.datatype = NEW(datatype, .typeflags = TYPEFLAGS(A(2).basetype.type, A(3).subtype.type),
.iden = A(2).basetype.iden,
.function_exprlist = A(3).subtype.exprlist)); }
| LBRACE exprlist DOT RBRACE { v = g_AST(expr, .type = AST_BRACELIST, .exprlist = A(1).list); }
| LPAREN exprlist RPAREN { v = g_AST(expr, .type = AST_PARENLIST, .exprlist = A(1).list); };
sym: IDEN { v = g_AST(vrbl, .is_atom = 0, .iden = A(0).str); }
| ATOM { v = g_AST(vrbl, .is_atom = 1, .iden = A(0).str); };
fieldlist: COLON IDEN { v = g_LST(NEW(strlist, .str = A(1).str)); }
| fieldlist fieldlist { A(0).list->next = A(1).list; v = A(0); };
basetype: T_INT { v = g_NEW(basetype, .type = DATATYPE_INT); }
| T_STRUCT { v = g_NEW(basetype, .type = DATATYPE_STRUCT); }
| T_ENUM { v = g_NEW(basetype, .type = DATATYPE_ENUM); }
| T_STRUCT LPAREN ATOM RPAREN { v = g_NEW(basetype, .type = DATATYPE_STRUCT, .iden = A(2).str); }
| T_ENUM LPAREN ATOM RPAREN { v = g_NEW(basetype, .type = DATATYPE_ENUM, .iden = A(2).str); };
subtypelist: ST_FUNCTION LPAREN exprlist RPAREN { v = g_NEW(subtype, .type = SUBTYPE_FUNCTION, .exprlist = A(2).list); }
| ST_BIG { v = g_NEW(subtype, .type = SUBTYPE_BIG); }
| ST_LITTLE { v = g_NEW(subtype, .type = SUBTYPE_LITTLE); }
| ST_NATIVE { v = g_NEW(subtype, .type = SUBTYPE_NATIVE); }
| subtypelist subtypelist { v = A(1); v.subtype.type |= A(0).subtype.type; if(A(0).subtype.exprlist) v.subtype.exprlist = A(0).subtype.exprlist; }.
|
