summaryrefslogtreecommitdiff
path: root/sql/sp_pcontext.h
diff options
context:
space:
mode:
Diffstat (limited to 'sql/sp_pcontext.h')
-rw-r--r--sql/sp_pcontext.h20
1 files changed, 17 insertions, 3 deletions
diff --git a/sql/sp_pcontext.h b/sql/sp_pcontext.h
index 23be38edcbf..02134e3604f 100644
--- a/sql/sp_pcontext.h
+++ b/sql/sp_pcontext.h
@@ -42,6 +42,7 @@ typedef struct sp_label
{
char *name;
uint ip; // Instruction index
+ my_bool isbegin; // For ITERATE error checking
} sp_label_t;
typedef struct sp_cond_type
@@ -57,6 +58,11 @@ typedef struct sp_cond
sp_cond_type_t *val;
} sp_cond_t;
+typedef struct sp_scope
+{
+ uint vars, conds, curs;
+} sp_scope_t;
+
class sp_pcontext : public Sql_alloc
{
sp_pcontext(const sp_pcontext &); /* Prevent use of these */
@@ -70,6 +76,13 @@ class sp_pcontext : public Sql_alloc
void
destroy();
+ // For error checking of duplicate things
+ void
+ push_scope();
+
+ void
+ pop_scope();
+
//
// Parameters and variables
//
@@ -130,7 +143,7 @@ class sp_pcontext : public Sql_alloc
// Find by name
sp_pvar_t *
- find_pvar(LEX_STRING *name);
+ find_pvar(LEX_STRING *name, my_bool scoped=0);
// Find by index
sp_pvar_t *
@@ -182,7 +195,7 @@ class sp_pcontext : public Sql_alloc
}
sp_cond_type_t *
- find_cond(LEX_STRING *name);
+ find_cond(LEX_STRING *name, my_bool scoped=0);
//
// Handlers
@@ -208,7 +221,7 @@ class sp_pcontext : public Sql_alloc
push_cursor(LEX_STRING *name);
my_bool
- find_cursor(LEX_STRING *name, uint *poff);
+ find_cursor(LEX_STRING *name, uint *poff, my_bool scoped=0);
inline void
pop_cursor(uint num)
@@ -233,6 +246,7 @@ private:
DYNAMIC_ARRAY m_pvar; // Parameters/variables
DYNAMIC_ARRAY m_cond; // Conditions
DYNAMIC_ARRAY m_cursor; // Cursors
+ DYNAMIC_ARRAY m_scopes; // For error checking
List<sp_label_t> m_label; // The label list