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- Cleaned up parser a little bit. It does not make sense to allow a
typename to be typedef'ed that cannot be parsed as variable type. - Allowed some SQL keywords to be used as C variable names.
This commit is contained in:
Michael Meskes
parent
f0c9397f80
commit
f464ad0bfd
@ -1740,5 +1740,11 @@ Sun Feb 15 14:44:14 CET 2004
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- Added missing braces to array parsing.
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- Allowed some C keywords to be used as SQL column names.
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Mon Feb 16 08:17:19 CET 2004
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- Cleaned up parser a little bit. It does not make sense to allow a
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typename to be typedef'ed that cannot be parsed as variable type.
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- Allowed some SQL keywords to be used as C variable names.
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- Set ecpg version to 3.1.1.
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@ -1,4 +1,4 @@
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/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.273 2004/02/15 15:38:20 meskes Exp $ */
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/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.274 2004/02/16 07:41:54 meskes Exp $ */
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/* Copyright comment */
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%{
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@ -541,6 +541,7 @@ add_additional_variables(char *name, bool insert)
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%type <str> ECPGTypeName using_list ECPGColLabelCommon UsingConst
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%type <str> inf_val_list inf_col_list using_descriptor into_descriptor
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%type <str> ecpg_into_using prepared_name struct_union_type_with_symbol
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%type <str> ECPGunreserved ECPGunreserved_interval
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%type <struct_union> s_struct_union_symbol
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@ -550,7 +551,7 @@ add_additional_variables(char *name, bool insert)
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%type <dtype_enum> descriptor_item desc_header_item
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%type <type> var_type common_type single_vt_type
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%type <type> var_type single_vt_type
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%type <action> action
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@ -4459,7 +4460,7 @@ ecpg_interval: opt_interval { $$ = $1; }
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| MONTH_P TO MONTH_P { $$ = make_str("month to month"); }
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;
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single_vt_type: common_type
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single_vt_type: var_type
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| DOUBLE_P
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{
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$$.type_enum = ECPGt_double;
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@ -4468,124 +4469,6 @@ single_vt_type: common_type
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$$.type_index = make_str("-1");
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$$.type_sizeof = NULL;
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}
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| ECPGColLabelCommon ecpg_interval
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{
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if (strlen($2) != 0 && strcmp ($1, "datetime") != 0 && strcmp ($1, "interval") != 0)
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mmerror (PARSE_ERROR, ET_ERROR, "Interval specification not allowed here ");
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/*
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* Check for type names that the SQL grammar treats as
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* unreserved keywords
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*/
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if (strcmp($1, "varchar") == 0)
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{
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$$.type_enum = ECPGt_varchar;
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$$.type_str = EMPTY;
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$$.type_dimension = make_str("-1");
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$$.type_index = make_str("-1");
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$$.type_sizeof = NULL;
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}
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else if (strcmp($1, "float") == 0)
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{
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$$.type_enum = ECPGt_float;
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$$.type_str = make_str("float");
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$$.type_dimension = make_str("-1");
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$$.type_index = make_str("-1");
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$$.type_sizeof = NULL;
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}
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else if (strcmp($1, "numeric") == 0)
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{
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$$.type_enum = ECPGt_numeric;
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$$.type_str = make_str("numeric");
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$$.type_dimension = make_str("-1");
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$$.type_index = make_str("-1");
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$$.type_sizeof = NULL;
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}
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else if (strcmp($1, "decimal") == 0)
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{
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$$.type_enum = ECPGt_decimal;
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$$.type_str = make_str("decimal");
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$$.type_dimension = make_str("-1");
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$$.type_index = make_str("-1");
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$$.type_sizeof = NULL;
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}
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else if (strcmp($1, "date") == 0)
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{
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$$.type_enum = ECPGt_date;
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$$.type_str = make_str("date");
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$$.type_dimension = make_str("-1");
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$$.type_index = make_str("-1");
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$$.type_sizeof = NULL;
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}
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else if (strcmp($1, "timestamp") == 0)
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{
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$$.type_enum = ECPGt_timestamp;
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$$.type_str = make_str("timestamp");
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$$.type_dimension = make_str("-1");
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$$.type_index = make_str("-1");
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$$.type_sizeof = NULL;
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}
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else if (strcmp($1, "datetime") == 0)
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{
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$$.type_enum = ECPGt_timestamp;
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$$.type_str = make_str("timestamp");
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$$.type_dimension = make_str("-1");
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$$.type_index = make_str("-1");
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$$.type_sizeof = NULL;
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}
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else if (strcmp($1, "interval") == 0)
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{
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$$.type_enum = ECPGt_interval;
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$$.type_str = make_str("interval");
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$$.type_dimension = make_str("-1");
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$$.type_index = make_str("-1");
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$$.type_sizeof = NULL;
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}
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else
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{
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/* this is for typedef'ed types */
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struct typedefs *this = get_typedef($1);
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$$.type_str = (this->type->type_enum == ECPGt_varchar) ? EMPTY : mm_strdup(this->name);
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$$.type_enum = this->type->type_enum;
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$$.type_dimension = this->type->type_dimension;
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$$.type_index = this->type->type_index;
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$$.type_sizeof = this->type->type_sizeof;
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struct_member_list[struct_level] = ECPGstruct_member_dup(this->struct_member_list);
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}
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}
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| s_struct_union_symbol
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{
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/* this is for named structs/unions */
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char *name;
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struct typedefs *this;
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bool forward = (forward_name != NULL && strcmp($1.symbol, forward_name) == 0 && strcmp($1.su, "struct") == 0);
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name = cat2_str($1.su, $1.symbol);
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/* Do we have a forward definition? */
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if (!forward)
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{
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/* No */
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this = get_typedef(name);
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$$.type_str = mm_strdup(this->name);
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$$.type_enum = this->type->type_enum;
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$$.type_dimension = this->type->type_dimension;
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$$.type_index = this->type->type_index;
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$$.type_sizeof = this->type->type_sizeof;
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struct_member_list[struct_level] = ECPGstruct_member_dup(this->struct_member_list);
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free(name);
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}
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else
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{
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$$.type_str = name;
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$$.type_enum = ECPGt_long;
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$$.type_dimension = make_str("-1");
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$$.type_index = make_str("-1");
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$$.type_sizeof = make_str("");
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struct_member_list[struct_level] = NULL;
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}
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}
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;
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/*
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@ -4740,7 +4623,7 @@ storage_modifier : S_CONST { $$ = make_str("const"); }
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| S_VOLATILE { $$ = make_str("volatile"); }
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;
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common_type: simple_type
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var_type: simple_type
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{
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$$.type_enum = $1;
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$$.type_str = mm_strdup(ECPGtype_name($1));
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@ -4796,10 +4679,7 @@ common_type: simple_type
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$$.type_index = make_str("-1");
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$$.type_sizeof = NULL;
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}
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;
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var_type: common_type
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| ECPGColLabel ecpg_interval
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| ECPGColLabelCommon ecpg_interval
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{
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if (strlen($2) != 0 && strcmp ($1, "datetime") != 0 && strcmp ($1, "interval") != 0)
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mmerror (PARSE_ERROR, ET_ERROR, "Interval specification not allowed here ");
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@ -5092,7 +4972,7 @@ variable_list: variable
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{ $$ = cat_str(3, $1, make_str(","), $3); }
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;
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variable: opt_pointer ECPGColLabelCommon opt_array_bounds opt_initializer
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variable: opt_pointer ECPGColLabel opt_array_bounds opt_initializer
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{
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struct ECPGtype * type;
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char *dimension = $3.index1; /* dimension of array */
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@ -5466,7 +5346,7 @@ ECPGTypedef: TYPE_P
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/* an initializer specified */
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initializer = 0;
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}
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ColLabel IS var_type opt_array_bounds opt_reference
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ECPGColLabelCommon IS var_type opt_array_bounds opt_reference
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{
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/* add entry to list */
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struct typedefs *ptr, *this;
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@ -5778,7 +5658,9 @@ ColLabel: ECPGColLabel { $$ = $1; }
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| INPUT_P { $$ = make_str("input"); }
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| INT_P { $$ = make_str("int"); }
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| UNION { $$ = make_str("union"); }
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| TO { $$ = make_str("to"); }
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| ECPGCKeywords { $$ = $1; }
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| ECPGunreserved_interval { $$ = $1; }
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;
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ECPGColLabelCommon: ident { $$ = $1; }
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@ -5788,8 +5670,8 @@ ECPGColLabelCommon: ident { $$ = $1; }
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;
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ECPGColLabel: ECPGColLabelCommon { $$ = $1; }
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| unreserved_keyword { $$ = $1; }
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| reserved_keyword { $$ = $1; }
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| ECPGunreserved { $$ = $1; }
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| ECPGKeywords_rest { $$ = $1; }
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;
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@ -5800,7 +5682,7 @@ ECPGCKeywords: S_AUTO { $$ = make_str("auto"); }
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| S_STATIC { $$ = make_str("static"); }
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| S_TYPEDEF { $$ = make_str("typedef"); }
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;
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/*
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* Keyword classification lists. Generally, every keyword present in
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* the Postgres grammar should appear in exactly one of these lists.
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@ -5812,8 +5694,21 @@ ECPGCKeywords: S_AUTO { $$ = make_str("auto"); }
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/* "Unreserved" keywords --- available for use as any kind of name.
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*/
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unreserved_keyword:
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ABORT_P { $$ = make_str("abort"); }
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/* The following symbols must be excluded from ECPGColLabel and directly included into ColLabel
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to enable C variables to get names from ECPGColLabel:
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DAY_P, HOUR_P, MINUTE_P, MONTH_P, SECOND_P, YEAR_P
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*/
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unreserved_keyword: ECPGunreserved_interval | ECPGunreserved;
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ECPGunreserved_interval: DAY_P { $$ = make_str("day"); }
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| HOUR_P { $$ = make_str("hour"); }
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| MINUTE_P { $$ = make_str("minute"); }
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| MONTH_P { $$ = make_str("month"); }
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| SECOND_P { $$ = make_str("second"); }
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| YEAR_P { $$ = make_str("year"); }
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;
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ECPGunreserved: ABORT_P { $$ = make_str("abort"); }
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| ABSOLUTE_P { $$ = make_str("absolute"); }
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| ACCESS { $$ = make_str("access"); }
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| ACTION { $$ = make_str("action"); }
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@ -5847,7 +5742,7 @@ unreserved_keyword:
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| CURSOR { $$ = make_str("cursor"); }
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| CYCLE { $$ = make_str("cycle"); }
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| DATABASE { $$ = make_str("database"); }
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| DAY_P { $$ = make_str("day"); }
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/* | DAY_P { $$ = make_str("day"); }*/
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| DEALLOCATE { $$ = make_str("deallocate"); }
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| DECLARE { $$ = make_str("declare"); }
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| DEFAULTS { $$ = make_str("defaults"); }
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@ -5874,7 +5769,7 @@ unreserved_keyword:
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| GLOBAL { $$ = make_str("global"); }
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| HANDLER { $$ = make_str("handler"); }
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| HOLD { $$ = make_str("hold"); }
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| HOUR_P { $$ = make_str("hour"); }
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/* | HOUR_P { $$ = make_str("hour"); }*/
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| IMMEDIATE { $$ = make_str("immediate"); }
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| IMMUTABLE { $$ = make_str("immutable"); }
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| IMPLICIT_P { $$ = make_str("implicit"); }
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@ -5899,10 +5794,10 @@ unreserved_keyword:
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| LOCK_P { $$ = make_str("lock"); }
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| MATCH { $$ = make_str("match"); }
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| MAXVALUE { $$ = make_str("maxvalue"); }
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| MINUTE_P { $$ = make_str("minute"); }
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/* | MINUTE_P { $$ = make_str("minute"); }*/
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| MINVALUE { $$ = make_str("minvalue"); }
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| MODE { $$ = make_str("mode"); }
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| MONTH_P { $$ = make_str("month"); }
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/* | MONTH_P { $$ = make_str("month"); }*/
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| MOVE { $$ = make_str("move"); }
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| NAMES { $$ = make_str("names"); }
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| NATIONAL { $$ = make_str("national"); }
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@ -5945,7 +5840,7 @@ unreserved_keyword:
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| RULE { $$ = make_str("rule"); }
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| SCHEMA { $$ = make_str("schema"); }
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| SCROLL { $$ = make_str("scroll"); }
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| SECOND_P { $$ = make_str("second"); }
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/* | SECOND_P { $$ = make_str("second"); }*/
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| SEQUENCE { $$ = make_str("sequence"); }
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| SERIALIZABLE { $$ = make_str("serializable"); }
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| SESSION { $$ = make_str("session"); }
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@ -5987,7 +5882,7 @@ unreserved_keyword:
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| WITHOUT { $$ = make_str("without"); }
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| WORK { $$ = make_str("work"); }
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| WRITE { $$ = make_str("write"); }
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| YEAR_P { $$ = make_str("year"); }
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/* | YEAR_P { $$ = make_str("year"); }*/
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| ZONE { $$ = make_str("zone"); }
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;
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@ -6135,7 +6030,9 @@ reserved_keyword:
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| SOME { $$ = make_str("some"); }
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| TABLE { $$ = make_str("table"); }
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| THEN { $$ = make_str("then"); }
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/* TO must be excluded from ECPGColLabel because of a conflict in variable name parsing
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| TO { $$ = make_str("to"); }
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*/
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| TRAILING { $$ = make_str("trailing"); }
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| TRUE_P { $$ = make_str("true"); }
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/* UNION must be excluded from ECPGColLabel because of conflict with s_union
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