Synced parser and keyword list.
Fixed handling of cyclic defines.
This commit is contained in:
Michael Meskes
parent
45995219a0
commit
5420ed3a81
@ -1845,6 +1845,11 @@ Mon, 5 Jul 2004 10:41:54 +0200
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Mon Jul 5 20:50:09 CEST 2004
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- Added free() calls against memory leak in interval.c.
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Tue Jul 20 09:15:21 CEST 2004
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- Synced parser and keyword list.
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- Fixed handling of cyclic defines.
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- Set pgtypes library version to 1.2.
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- Set ecpg version to 3.2.0.
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- Set compat library version to 1.2.
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@ -1,4 +1,4 @@
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/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.88 2004/06/10 22:26:23 momjian Exp $ */
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/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.89 2004/07/20 18:06:41 meskes Exp $ */
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/* New main for ecpg, the PostgreSQL embedded SQL precompiler. */
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/* (C) Michael Meskes <meskes@postgresql.org> Feb 5th, 1998 */
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@ -96,7 +96,7 @@ add_preprocessor_define(char *define)
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{
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char *tmp;
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/* symbol gets a value */
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/* symbol has a value */
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for (tmp = ptr - 1; *tmp == ' '; tmp--);
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tmp[1] = '\0';
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defines->old = define_copy;
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@ -105,9 +105,10 @@ add_preprocessor_define(char *define)
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else
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{
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defines->old = define_copy;
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defines->new = mm_strdup("");
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defines->new = mm_strdup("1");
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}
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defines->pertinent = true;
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defines->used = NULL;
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defines->next = pd;
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}
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/keywords.c,v 1.63 2004/06/20 10:45:47 meskes Exp $
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* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/keywords.c,v 1.64 2004/07/20 18:06:41 meskes Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -233,8 +233,6 @@ static ScanKeyword ScanKeywords[] = {
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{"owner", OWNER},
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{"partial", PARTIAL},
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{"password", PASSWORD},
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{"path", PATH_P},
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{"pendant", PENDANT},
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{"position", POSITION},
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{"precision", PRECISION},
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{"prepare", PREPARE},
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@ -327,7 +325,6 @@ static ScanKeyword ScanKeywords[] = {
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{"varchar", VARCHAR},
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{"varying", VARYING},
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{"verbose", VERBOSE},
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{"version", VERSION},
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{"view", VIEW},
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{"volatile", VOLATILE},
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{"when", WHEN},
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@ -12,7 +12,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.129 2004/06/30 15:01:57 meskes Exp $
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* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.130 2004/07/20 18:06:41 meskes Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -598,11 +598,11 @@ cppline {space}*#(.*\\{space})+.*
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<SQL>{identifier} {
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ScanKeyword *keyword;
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struct _defines *ptr;
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/* How about a DEFINE? */
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for (ptr = defines; ptr; ptr = ptr->next)
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{
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if (strcmp(yytext, ptr->old) == 0)
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if (strcmp(yytext, ptr->old) == 0 && ptr->used == NULL)
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{
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struct _yy_buffer *yb;
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@ -611,15 +611,14 @@ cppline {space}*#(.*\\{space})+.*
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yb->buffer = YY_CURRENT_BUFFER;
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yb->lineno = yylineno;
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yb->filename = mm_strdup(input_filename);
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yb->next = yy_buffer;
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ptr->used = yb->next = yy_buffer;
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yy_buffer = yb;
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yy_scan_string(ptr->new);
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break;
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}
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}
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if (ptr == NULL)
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{
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/* Is it an SQL keyword? */
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@ -640,16 +639,13 @@ cppline {space}*#(.*\\{space})+.*
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/*
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* None of the above. Return it as an identifier.
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*
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* The backend would attempt to truncate and case-fold
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* The backend will attempt to truncate and case-fold
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* the identifier, but I see no good reason for ecpg
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* to do so; that's just another way that ecpg could get
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* out of step with the backend.
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*/
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if (ptr == NULL)
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{
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yylval.str = mm_strdup(yytext);
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return IDENT;
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}
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yylval.str = mm_strdup(yytext);
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return IDENT;
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}
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}
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<SQL>{other} { return yytext[0]; }
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@ -700,7 +696,7 @@ cppline {space}*#(.*\\{space})+.*
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/* is it a define? */
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for (ptr = defines; ptr; ptr = ptr->next)
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{
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if (strcmp(yytext, ptr->old) == 0)
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if (strcmp(yytext, ptr->old) == 0 && ptr->used == NULL)
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{
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struct _yy_buffer *yb;
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@ -709,7 +705,7 @@ cppline {space}*#(.*\\{space})+.*
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yb->buffer = YY_CURRENT_BUFFER;
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yb->lineno = yylineno;
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yb->filename = mm_strdup(input_filename);
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yb->next = yy_buffer;
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ptr->used = yb->next = yy_buffer;
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yy_buffer = yb;
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@ -739,7 +735,7 @@ cppline {space}*#(.*\\{space})+.*
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<C>"-" { return('-'); }
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<C>"(" { return('('); }
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<C>")" { return(')'); }
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<C>{space} { ECHO; }
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<C,xskip>{space} { ECHO; }
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<C>\{ { return('{'); }
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<C>\} { return('}'); }
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<C>\[ { return('['); }
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@ -975,12 +971,13 @@ cppline {space}*#(.*\\{space})+.*
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}
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if (ptr == NULL)
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{
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this = (struct _defines *) mm_alloc(sizeof(struct _defines));
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this = (struct _defines *) mm_alloc(sizeof(struct _defines));
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/* initial definition */
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this->old = old;
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this->new = mm_strdup(literalbuf);
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/* initial definition */
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this->old = old;
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this->new = mm_strdup(literalbuf);
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this->next = defines;
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this->used = NULL;
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defines = this;
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}
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@ -993,7 +990,7 @@ cppline {space}*#(.*\\{space})+.*
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<incl>[^;\<\>\"]+";" { parse_include(); }
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<<EOF>> {
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if (yy_buffer == NULL) {
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if (yy_buffer == NULL) {
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if ( preproc_tos > 0 )
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{
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preproc_tos = 0;
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@ -1005,7 +1002,15 @@ cppline {space}*#(.*\\{space})+.*
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{
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struct _yy_buffer *yb = yy_buffer;
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int i;
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struct _defines *ptr;
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for (ptr = defines; ptr; ptr = ptr->next)
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if (ptr->used == yy_buffer)
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{
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ptr->used = NULL;
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break;
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}
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if (yyin != NULL)
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fclose(yyin);
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@ -1025,6 +1030,7 @@ cppline {space}*#(.*\\{space})+.*
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if (i != 0)
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output_line_number();
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}
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}
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%%
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@ -1,4 +1,4 @@
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/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.292 2004/07/05 09:45:53 meskes Exp $ */
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/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.293 2004/07/20 18:06:41 meskes Exp $ */
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/* Copyright comment */
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%{
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@ -385,7 +385,7 @@ add_additional_variables(char *name, bool insert)
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OBJECT_P OF OFF OFFSET OIDS OLD ON ONLY OPERATOR OPTION OR ORDER
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OUT_P OUTER_P OVERLAPS OVERLAY OWNER
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PARTIAL PASSWORD PATH_P PENDANT PLACING POSITION
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PARTIAL PASSWORD PLACING POSITION
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PRECISION PRESERVE PREPARE PRIMARY PRIOR PRIVILEGES PROCEDURAL PROCEDURE
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QUOTE
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@ -403,7 +403,7 @@ add_additional_variables(char *name, bool insert)
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UNCOMMITTED UNENCRYPTED UNION UNIQUE UNKNOWN UNLISTEN UNTIL UPDATE USAGE
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USER USING
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VACUUM VALID VALUES VARCHAR VARYING VERBOSE VERSION VIEW VOLATILE
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VACUUM VALID VALUES VARCHAR VARYING VERBOSE VIEW VOLATILE
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WHEN WHERE WITH WITHOUT WORK WRITE
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YEAR_P
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ZONE
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@ -414,7 +414,7 @@ add_additional_variables(char *name, bool insert)
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*/
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%token UNIONJOIN
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/* Special keywords, not in the query language - see the "lex" file */
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/* Special token types, not actually keywords - see the "lex" file */
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%token <str> IDENT SCONST Op CSTRING CVARIABLE CPP_LINE IP BCONST XCONST
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%token <ival> ICONST PARAM
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%token <dval> FCONST
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@ -1232,6 +1232,9 @@ alter_table_cmd:
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/* ALTER TABLE <name> SET WITHOUT CLUSTER */
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| SET WITHOUT CLUSTER
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{ $$ = make_str("set without cluster"); }
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/* ALTER TABLE <name> SET TABLESPACE <tablespacename> */
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| SET TABLESPACE name
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{ $$ = cat_str(2, make_str("set tablespace"), $3); }
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;
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alter_column_default:
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@ -1590,8 +1593,8 @@ CreateAsElement: ColId { $$ = $1; }
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*
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*****************************************************************************/
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CreateSeqStmt: CREATE OptTemp SEQUENCE qualified_name OptSeqList OptTableSpace
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{ $$ = cat_str(5, make_str("create"), $2, make_str("sequence"), $4, $5, $6); }
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CreateSeqStmt: CREATE OptTemp SEQUENCE qualified_name OptSeqList
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{ $$ = cat_str(4, make_str("create"), $2, make_str("sequence"), $4, $5); }
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;
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AlterSeqStmt: ALTER SEQUENCE qualified_name OptSeqList
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@ -5857,6 +5860,7 @@ ECPGunreserved: ABORT_P { $$ = make_str("abort"); }
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| ADD { $$ = make_str("add"); }
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| AFTER { $$ = make_str("after"); }
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| AGGREGATE { $$ = make_str("aggregate"); }
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| ALSO { $$ = make_str("also"); }
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| ALTER { $$ = make_str("alter"); }
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| ASSERTION { $$ = make_str("assertion"); }
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| ASSIGNMENT { $$ = make_str("assignment"); }
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@ -5957,8 +5961,6 @@ ECPGunreserved: ABORT_P { $$ = make_str("abort"); }
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| OWNER { $$ = make_str("owner"); }
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| PARTIAL { $$ = make_str("partial"); }
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| PASSWORD { $$ = make_str("password"); }
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| PATH_P { $$ = make_str("path"); }
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| PENDANT { $$ = make_str("pendant"); }
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| PREPARE { $$ = make_str("prepare"); }
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| PRESERVE { $$ = make_str("preserver"); }
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| PRIOR { $$ = make_str("prior"); }
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@ -6021,7 +6023,6 @@ ECPGunreserved: ABORT_P { $$ = make_str("abort"); }
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| VALID { $$ = make_str("valid"); }
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| VALUES { $$ = make_str("values"); }
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| VARYING { $$ = make_str("varying"); }
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| VERSION { $$ = make_str("version"); }
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| VIEW { $$ = make_str("view"); }
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| WITH { $$ = make_str("with"); }
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| WITHOUT { $$ = make_str("without"); }
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@ -135,6 +135,7 @@ struct _defines
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char *old;
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char *new;
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int pertinent;
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void *used;
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struct _defines *next;
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};
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