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Overview
| Comment: | Save a few bytes in the parser by using "int" instead of "u8" or "u16" for all small integer types. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
5dcd212bf6489f4698a0ed0f21497c78 |
| User & Date: | drh 2015-11-10 13:45:21.998 |
Context
|
2015-11-10
| ||
| 14:27 | Make the output of "PRAGMA parser_trace" go to stdout instead of stderr. (check-in: 1e4849911e user: drh tags: trunk) | |
| 13:45 | Save a few bytes in the parser by using "int" instead of "u8" or "u16" for all small integer types. (check-in: 5dcd212bf6 user: drh tags: trunk) | |
| 12:41 | Change all parsers to use the standard "lempar.c" template in the tool/ folder and remove the customized lempar.c from src/, plus other compiler performance and space enhancements. (check-in: 0e7fb24ad3 user: drh tags: trunk) | |
Changes
Changes to src/parse.y.
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create_table_args ::= LP columnlist conslist_opt(X) RP(E) table_options(F). {
sqlite3EndTable(pParse,&X,&E,F,0);
}
create_table_args ::= AS select(S). {
sqlite3EndTable(pParse,0,0,0,S);
sqlite3SelectDelete(pParse->db, S);
}
| | | 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 |
create_table_args ::= LP columnlist conslist_opt(X) RP(E) table_options(F). {
sqlite3EndTable(pParse,&X,&E,F,0);
}
create_table_args ::= AS select(S). {
sqlite3EndTable(pParse,0,0,0,S);
sqlite3SelectDelete(pParse->db, S);
}
%type table_options {int}
table_options(A) ::= . {A = 0;}
table_options(A) ::= WITHOUT nm(X). {
if( X.n==5 && sqlite3_strnicmp(X.z,"rowid",5)==0 ){
A = TF_WithoutRowid | TF_NoVisibleRowid;
}else{
A = 0;
sqlite3ErrorMsg(pParse, "unknown table option: %.*s", X.n, X.z);
|
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372 373 374 375 376 377 378 |
defer_subclause_opt(A) ::= . {A = 0;}
defer_subclause_opt(A) ::= defer_subclause(X). {A = X;}
// The following is a non-standard extension that allows us to declare the
// default behavior when there is a constraint conflict.
//
%type onconf {int}
| | | | 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 |
defer_subclause_opt(A) ::= . {A = 0;}
defer_subclause_opt(A) ::= defer_subclause(X). {A = X;}
// The following is a non-standard extension that allows us to declare the
// default behavior when there is a constraint conflict.
//
%type onconf {int}
%type orconf {int}
%type resolvetype {int}
onconf(A) ::= . {A = OE_Default;}
onconf(A) ::= ON CONFLICT resolvetype(X). {A = X;}
orconf(A) ::= . {A = OE_Default;}
orconf(A) ::= OR resolvetype(X). {A = X;}
resolvetype(A) ::= raisetype(X). {A = X;}
resolvetype(A) ::= IGNORE. {A = OE_Ignore;}
resolvetype(A) ::= REPLACE. {A = OE_Replace;}
////////////////////////// The DROP TABLE /////////////////////////////////////
//
cmd ::= DROP TABLE ifexists(E) fullname(X). {
|
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534 535 536 537 538 539 540 |
A = pLeft;
}
}
// The "distinct" nonterminal is true (1) if the DISTINCT keyword is
// present and false (0) if it is not.
//
| | | 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 |
A = pLeft;
}
}
// The "distinct" nonterminal is true (1) if the DISTINCT keyword is
// present and false (0) if it is not.
//
%type distinct {int}
distinct(A) ::= DISTINCT. {A = SF_Distinct;}
distinct(A) ::= ALL. {A = SF_All;}
distinct(A) ::= . {A = 0;}
// selcollist is a list of expressions that are to become the return
// values of the SELECT statement. The "*" in statements like
// "SELECT * FROM ..." is encoded as a special expression with an
|
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807 808 809 810 811 812 813 |
}
cmd ::= with(W) insert_cmd(R) INTO fullname(X) idlist_opt(F) DEFAULT VALUES.
{
sqlite3WithPush(pParse, W, 1);
sqlite3Insert(pParse, X, 0, F, R);
}
| | | 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 |
}
cmd ::= with(W) insert_cmd(R) INTO fullname(X) idlist_opt(F) DEFAULT VALUES.
{
sqlite3WithPush(pParse, W, 1);
sqlite3Insert(pParse, X, 0, F, R);
}
%type insert_cmd {int}
insert_cmd(A) ::= INSERT orconf(R). {A = R;}
insert_cmd(A) ::= REPLACE. {A = OE_Replace;}
%type idlist_opt {IdList*}
%destructor idlist_opt {sqlite3IdListDelete(pParse->db, $$);}
%type idlist {IdList*}
%destructor idlist {sqlite3IdListDelete(pParse->db, $$);}
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