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path: root/src/interfaces/ecpg/preproc/descriptor.c
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Diffstat (limited to 'src/interfaces/ecpg/preproc/descriptor.c')
-rw-r--r--src/interfaces/ecpg/preproc/descriptor.c161
1 files changed, 39 insertions, 122 deletions
diff --git a/src/interfaces/ecpg/preproc/descriptor.c b/src/interfaces/ecpg/preproc/descriptor.c
index 247e48f234d..845a70c0aa8 100644
--- a/src/interfaces/ecpg/preproc/descriptor.c
+++ b/src/interfaces/ecpg/preproc/descriptor.c
@@ -11,15 +11,14 @@
struct assignment *assignments;
-void push_assignment(char *var, char *value)
+void push_assignment(char *var, enum ECPGdtype value)
{
struct assignment *new = (struct assignment *)mm_alloc(sizeof(struct assignment));
new->next = assignments;
- new->variable = mm_alloc(strlen(var)+1);
- strcpy(new->variable,var);
- new->value = mm_alloc(strlen(value)+1);
- strcpy(new->value,value);
+ new->variable = mm_alloc(strlen(var) + 1);
+ strcpy(new->variable, var);
+ new->value = value;
assignments = new;
}
@@ -32,7 +31,6 @@ drop_assignments(void)
assignments = old_head->next;
free(old_head->variable);
- free(old_head->value);
free(old_head);
}
}
@@ -61,7 +59,7 @@ static void ECPGnumeric_lvalue(FILE *f,char *name)
static void ECPGstring_buffer(FILE *f, char *name)
{
- const struct variable *v=find_variable(name);
+ const struct variable *v = find_variable(name);
switch(v->type->typ)
{
@@ -177,17 +175,18 @@ static struct descriptor *descriptors;
void add_descriptor(char *name,char *connection)
{
- struct descriptor *new=(struct descriptor *)mm_alloc(sizeof(struct descriptor));
+ struct descriptor *new = (struct descriptor *)mm_alloc(sizeof(struct descriptor));
- new->next=descriptors;
- new->name=mm_alloc(strlen(name)+1);
+ new->next = descriptors;
+ new->name = mm_alloc(strlen(name) + 1);
strcpy(new->name,name);
if (connection)
- { new->connection=mm_alloc(strlen(connection)+1);
- strcpy(new->connection,connection);
+ {
+ new->connection = mm_alloc(strlen(connection) + 1);
+ strcpy(new->connection, connection);
}
- else new->connection=connection;
- descriptors=new;
+ else new->connection = connection;
+ descriptors = new;
}
void
@@ -217,13 +216,13 @@ drop_descriptor(char *name,char *connection)
}
struct descriptor
-*lookup_descriptor(char *name,char *connection)
+*lookup_descriptor(char *name, char *connection)
{
struct descriptor *i;
- for (i=descriptors;i;i=i->next)
+ for (i = descriptors; i; i = i->next)
{
- if (!strcmp(name,i->name))
+ if (!strcmp(name, i->name))
{
if ((!connection && !i->connection)
|| (connection && i->connection
@@ -233,8 +232,8 @@ struct descriptor
}
}
}
- snprintf(errortext,sizeof errortext,"unknown descriptor %s",name);
- mmerror(ET_WARN,errortext);
+ snprintf(errortext, sizeof errortext, "unknown descriptor %s", name);
+ mmerror(ET_WARN, errortext);
return NULL;
}
@@ -246,10 +245,11 @@ output_get_descr_header(char *desc_name)
fprintf(yyout, "{ ECPGget_desc_header(%d, \"%s\", &(", yylineno, desc_name);
for (results = assignments; results != NULL; results = results->next)
{
- if (!strcasecmp(results->value, "count"))
+ if (results->value == ECPGd_count)
ECPGnumeric_lvalue(yyout,results->variable);
else
- { snprintf(errortext, sizeof errortext, "unknown descriptor header item '%s'", results->value);
+ {
+ snprintf(errortext, sizeof errortext, "unknown descriptor header item '%d'", results->value);
mmerror(ET_WARN, errortext);
}
}
@@ -260,114 +260,31 @@ output_get_descr_header(char *desc_name)
}
void
-output_get_descr(char *desc_name)
+output_get_descr(char *desc_name, char *index)
{
struct assignment *results;
- int flags=0;
- const int DATA_SEEN=1;
- const int INDICATOR_SEEN=2;
-
- fprintf(yyout,"{\tPGresult *ECPGresult=ECPGresultByDescriptor(%d, \"%s\");\n"
- ,yylineno,desc_name);
- fputs("\tif (ECPGresult)\n\t{",yyout);
- fprintf(yyout,"\tif (PQntuples(ECPGresult)<1) ECPGraise(%d,ECPG_NOT_FOUND);\n",yylineno);
- fprintf(yyout,"\t\telse if (%s<1 || %s>PQnfields(ECPGresult))\n"
- "\t\t\tECPGraise(%d,ECPG_INVALID_DESCRIPTOR_INDEX);\n"
- ,descriptor_index,descriptor_index,yylineno);
- fputs("\t\telse\n\t\t{\n",yyout);
- for (results=assignments;results!=NULL;results=results->next)
+
+ fprintf(yyout, "{ ECPGget_desc(%d,\"%s\",%s,", yylineno, desc_name, index);
+ for (results = assignments; results != NULL; results = results->next)
{
- if (!strcasecmp(results->value,"type"))
- {
- fputs("\t\t\t",yyout);
- ECPGnumeric_lvalue(yyout,results->variable);
- fprintf(yyout,"=ECPGDynamicType(PQftype(ECPGresult,(%s)-1));\n",descriptor_index);
- }
- else if (!strcasecmp(results->value,"datetime_interval_code"))
- {
- fputs("\t\t\t",yyout);
- ECPGnumeric_lvalue(yyout,results->variable);
- fprintf(yyout,"=ECPGDynamicType_DDT(PQftype(ECPGresult,(%s)-1));\n",descriptor_index);
- }
- else if (!strcasecmp(results->value,"length"))
- {
- fputs("\t\t\t",yyout);
- ECPGnumeric_lvalue(yyout,results->variable);
- fprintf(yyout,"=PQfmod(ECPGresult,(%s)-1)-VARHDRSZ;\n",descriptor_index);
- }
- else if (!strcasecmp(results->value,"octet_length"))
- {
- fputs("\t\t\t",yyout);
- ECPGnumeric_lvalue(yyout,results->variable);
- fprintf(yyout,"=PQfsize(ECPGresult,(%s)-1);\n",descriptor_index);
- }
- else if (!strcasecmp(results->value,"returned_length")
- || !strcasecmp(results->value,"returned_octet_length"))
- {
- fputs("\t\t\t",yyout);
- ECPGnumeric_lvalue(yyout,results->variable);
- fprintf(yyout,"=PQgetlength(ECPGresult,0,(%s)-1);\n",descriptor_index);
- }
- else if (!strcasecmp(results->value,"precision"))
- {
- fputs("\t\t\t",yyout);
- ECPGnumeric_lvalue(yyout,results->variable);
- fprintf(yyout,"=PQfmod(ECPGresult,(%s)-1)>>16;\n",descriptor_index);
- }
- else if (!strcasecmp(results->value,"scale"))
- {
- fputs("\t\t\t",yyout);
- ECPGnumeric_lvalue(yyout,results->variable);
- fprintf(yyout,"=(PQfmod(ECPGresult,(%s)-1)-VARHDRSZ)&0xffff;\n",descriptor_index);
- }
- else if (!strcasecmp(results->value,"nullable"))
- {
- mmerror(ET_WARN,"nullable is always 1");
- fputs("\t\t\t",yyout);
- ECPGnumeric_lvalue(yyout,results->variable);
- fprintf(yyout,"=1;\n");
- }
- else if (!strcasecmp(results->value,"key_member"))
- {
- mmerror(ET_WARN,"key_member is always 0");
- fputs("\t\t\t",yyout);
- ECPGnumeric_lvalue(yyout,results->variable);
- fprintf(yyout,"=0;\n");
- }
- else if (!strcasecmp(results->value,"name"))
- {
- fputs("\t\t\tstrncpy(",yyout);
- ECPGstring_buffer(yyout,results->variable);
- fprintf(yyout,",PQfname(ECPGresult,(%s)-1),",descriptor_index);
- ECPGstring_length(yyout,results->variable);
- fputs(");\n",yyout);
- }
- else if (!strcasecmp(results->value,"indicator"))
- {
- flags|=INDICATOR_SEEN;
- fputs("\t\t\t",yyout);
- ECPGnumeric_lvalue(yyout,results->variable);
- fprintf(yyout,"=-PQgetisnull(ECPGresult,0,(%s)-1);\n",descriptor_index);
- }
- else if (!strcasecmp(results->value,"data"))
- {
- flags|=DATA_SEEN;
- ECPGdata_assignment(results->variable,descriptor_index);
- }
- else
+ const struct variable *v = find_variable(results->variable);
+
+ switch (results->value)
{
- snprintf(errortext,sizeof errortext,"unknown descriptor header item '%s'",results->value);
- mmerror(ET_WARN,errortext);
+ case ECPGd_nullable:
+ mmerror(ET_WARN,"nullable is always 1");
+ break;
+ case ECPGd_key_member:
+ mmerror(ET_WARN,"key_member is always 0");
+ break;
+ default:
+ break;
}
- }
- if (flags==DATA_SEEN) /* no indicator */
- {
- fprintf(yyout,"\t\t\tif (PQgetisnull(ECPGresult,0,(%s)-1))\n"
- "\t\t\t\tECPGraise(%d,ECPG_MISSING_INDICATOR);\n"
- ,descriptor_index,yylineno);
+ fprintf(yyout, "%s,", get_dtype(results->value));
+ ECPGdump_a_type(yyout, v->name, v->type, NULL, NULL, NULL, NULL);
}
drop_assignments();
- fputs("\t\t}\n\t}\n",yyout);
+ fputs("ECPGd_EODT);\n",yyout);
whenever_action(2|1);
}