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About 0.5KiB of additional compression in the parser tables. (CVS 2764)
FossilOrigin-Name: f39974ebd81f274dc4cf6cf94e6e87ee7b4a0814
This commit is contained in:
drh
68
src/parse.y
68
src/parse.y
@@ -14,7 +14,7 @@
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** the parser. Lemon will also generate a header file containing
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** numeric codes for all of the tokens.
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**
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** @(#) $Id: parse.y,v 1.182 2005/11/03 02:03:13 drh Exp $
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** @(#) $Id: parse.y,v 1.183 2005/11/06 04:06:59 drh Exp $
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*/
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// All token codes are small integers with #defines that begin with "TK_"
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@@ -179,7 +179,7 @@ id(A) ::= ID(X). {A = X;}
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%ifdef SQLITE_OMIT_COMPOUND_SELECT
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EXCEPT INTERSECT UNION
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%endif
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REINDEX RENAME CTIME_KW ALTER
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REINDEX RENAME CTIME_KW
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.
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// Define operator precedence early so that this is the first occurance
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@@ -208,8 +208,7 @@ id(A) ::= ID(X). {A = X;}
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// And "ids" is an identifer-or-string.
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//
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%type ids {Token}
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ids(A) ::= ID(X). {A = X;}
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ids(A) ::= STRING(X). {A = X;}
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ids(A) ::= ID|STRING(X). {A = X;}
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// The name of a column or table can be any of the following:
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//
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@@ -381,10 +380,9 @@ select(A) ::= select(X) multiselect_op(Y) oneselect(Z). {
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A = Z;
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}
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%type multiselect_op {int}
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multiselect_op(A) ::= UNION(OP). {A = @OP;}
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multiselect_op(A) ::= UNION ALL. {A = TK_ALL;}
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multiselect_op(A) ::= INTERSECT(OP). {A = @OP;}
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multiselect_op(A) ::= EXCEPT(OP). {A = @OP;}
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multiselect_op(A) ::= UNION(OP). {A = @OP;}
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multiselect_op(A) ::= UNION ALL. {A = TK_ALL;}
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multiselect_op(A) ::= EXCEPT|INTERSECT(OP). {A = @OP;}
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%endif // SQLITE_OMIT_COMPOUND_SELECT
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oneselect(A) ::= SELECT distinct(D) selcollist(W) from(X) where_opt(Y)
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groupby_opt(P) having_opt(Q) orderby_opt(Z) limit_opt(L). {
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@@ -501,8 +499,7 @@ fullname(A) ::= nm(X) dbnm(Y). {A = sqlite3SrcListAppend(0,&X,&Y);}
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%type joinop {int}
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%type joinop2 {int}
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joinop(X) ::= COMMA. { X = JT_INNER; }
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joinop(X) ::= JOIN. { X = JT_INNER; }
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joinop(X) ::= COMMA|JOIN. { X = JT_INNER; }
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joinop(X) ::= JOIN_KW(A) JOIN. { X = sqlite3JoinType(pParse,&A,0,0); }
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joinop(X) ::= JOIN_KW(A) nm(B) JOIN. { X = sqlite3JoinType(pParse,&A,&B,0); }
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joinop(X) ::= JOIN_KW(A) nm(B) nm(C) JOIN.
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@@ -645,10 +642,8 @@ expr(A) ::= nm(X) DOT nm(Y) DOT nm(Z). {
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Expr *temp4 = sqlite3Expr(TK_DOT, temp2, temp3, 0);
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A = sqlite3Expr(TK_DOT, temp1, temp4, 0);
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}
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term(A) ::= INTEGER(X). {A = sqlite3Expr(@X, 0, 0, &X);}
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term(A) ::= FLOAT(X). {A = sqlite3Expr(@X, 0, 0, &X);}
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term(A) ::= INTEGER|FLOAT|BLOB(X). {A = sqlite3Expr(@X, 0, 0, &X);}
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term(A) ::= STRING(X). {A = sqlite3Expr(@X, 0, 0, &X);}
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term(A) ::= BLOB(X). {A = sqlite3Expr(@X, 0, 0, &X);}
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expr(A) ::= REGISTER(X). {A = sqlite3RegisterExpr(pParse, &X);}
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expr(A) ::= VARIABLE(X). {
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Token *pToken = &X;
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@@ -678,24 +673,15 @@ term(A) ::= CTIME_KW(OP). {
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A = sqlite3ExprFunction(0,&OP);
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if( A ) A->op = TK_CONST_FUNC;
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}
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expr(A) ::= expr(X) AND(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) OR(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) LT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) GT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) LE(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) GE(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) NE(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) EQ(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) BITAND(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) BITOR(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) LSHIFT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) RSHIFT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) PLUS(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) MINUS(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) STAR(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) SLASH(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) REM(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) CONCAT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) AND(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) OR(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) LT|GT|GE|LE(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) EQ|NE(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) BITAND|BITOR|LSHIFT|RSHIFT(OP) expr(Y).
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{A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) PLUS|MINUS(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) STAR|SLASH|REM(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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expr(A) ::= expr(X) CONCAT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);}
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%type likeop {struct LikeOp}
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likeop(A) ::= LIKE_KW(X). {A.operator = X; A.not = 0;}
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likeop(A) ::= NOT LIKE_KW(X). {A.operator = X; A.not = 1;}
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@@ -713,18 +699,14 @@ expr(A) ::= expr(X) likeop(OP) expr(Y) escape(E). [LIKE_KW] {
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sqlite3ExprSpan(A, &X->span, &Y->span);
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}
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expr(A) ::= expr(X) ISNULL(E). {
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A = sqlite3Expr(TK_ISNULL, X, 0, 0);
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expr(A) ::= expr(X) ISNULL|NOTNULL(E). {
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A = sqlite3Expr(@E, X, 0, 0);
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sqlite3ExprSpan(A,&X->span,&E);
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}
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expr(A) ::= expr(X) IS NULL(E). {
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A = sqlite3Expr(TK_ISNULL, X, 0, 0);
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sqlite3ExprSpan(A,&X->span,&E);
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}
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expr(A) ::= expr(X) NOTNULL(E). {
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A = sqlite3Expr(TK_NOTNULL, X, 0, 0);
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sqlite3ExprSpan(A,&X->span,&E);
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}
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expr(A) ::= expr(X) NOT NULL(E). {
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A = sqlite3Expr(TK_NOTNULL, X, 0, 0);
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sqlite3ExprSpan(A,&X->span,&E);
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@@ -733,11 +715,7 @@ expr(A) ::= expr(X) IS NOT NULL(E). {
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A = sqlite3Expr(TK_NOTNULL, X, 0, 0);
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sqlite3ExprSpan(A,&X->span,&E);
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}
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expr(A) ::= NOT(B) expr(X). {
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A = sqlite3Expr(@B, X, 0, 0);
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sqlite3ExprSpan(A,&B,&X->span);
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}
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expr(A) ::= BITNOT(B) expr(X). {
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expr(A) ::= NOT|BITNOT(B) expr(X). {
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A = sqlite3Expr(@B, X, 0, 0);
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sqlite3ExprSpan(A,&B,&X->span);
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}
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@@ -920,8 +898,7 @@ cmd ::= PRAGMA nm(X) dbnm(Z). {sqlite3Pragma(pParse,&X,&Z,0,0);}
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%endif // SQLITE_OMIT_PRAGMA
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plus_num(A) ::= plus_opt number(X). {A = X;}
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minus_num(A) ::= MINUS number(X). {A = X;}
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number(A) ::= INTEGER(X). {A = X;}
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number(A) ::= FLOAT(X). {A = X;}
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number(A) ::= INTEGER|FLOAT(X). {A = X;}
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plus_opt ::= PLUS.
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plus_opt ::= .
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@@ -951,8 +928,7 @@ trigger_time(A) ::= . { A = TK_BEFORE; }
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%type trigger_event {struct TrigEvent}
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%destructor trigger_event {sqlite3IdListDelete($$.b);}
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trigger_event(A) ::= DELETE(OP). {A.a = @OP; A.b = 0;}
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trigger_event(A) ::= INSERT(OP). {A.a = @OP; A.b = 0;}
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trigger_event(A) ::= DELETE|INSERT(OP). {A.a = @OP; A.b = 0;}
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trigger_event(A) ::= UPDATE(OP). {A.a = @OP; A.b = 0;}
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trigger_event(A) ::= UPDATE OF inscollist(X). {A.a = TK_UPDATE; A.b = X;}
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