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Remove the ExprSpan object. Instead, keep track of the test of subphrases in

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the parse using the "scanpt" non-terminal.

FossilOrigin-Name: 3eab7bdc44e0878b83dc86f27058a40c2ffafeacadc566f03693f6dc7e40a504
This commit is contained in:
drh
2017-12-24 00:18:47 +00:00
parent 88a921ce60
commit 1be266ba08
6 changed files with 207 additions and 274 deletions
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16
src/sqliteInt.h
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@@ -1063,7 +1063,6 @@ typedef struct Db Db;
typedef struct Schema Schema;
typedef struct Expr Expr;
typedef struct ExprList ExprList;
typedef struct ExprSpan ExprSpan;
typedef struct FKey FKey;
typedef struct FuncDestructor FuncDestructor;
typedef struct FuncDef FuncDef;
@@ -2504,17 +2503,6 @@ struct ExprList {
} a[1]; /* One slot for each expression in the list */
};
/*
** An instance of this structure is used by the parser to record both
** the parse tree for an expression and the span of input text for an
** expression.
*/
struct ExprSpan {
Expr *pExpr; /* The expression parse tree */
const char *zStart; /* First character of input text */
const char *zEnd; /* One character past the end of input text */
};
/*
** An instance of this structure can hold a simple list of identifiers,
** such as the list "a,b,c" in the following statements:
@@ -3663,7 +3651,7 @@ ExprList *sqlite3ExprListAppend(Parse*,ExprList*,Expr*);
ExprList *sqlite3ExprListAppendVector(Parse*,ExprList*,IdList*,Expr*);
void sqlite3ExprListSetSortOrder(ExprList*,int);
void sqlite3ExprListSetName(Parse*,ExprList*,Token*,int);
void sqlite3ExprListSetSpan(Parse*,ExprList*,ExprSpan*);
void sqlite3ExprListSetSpan(Parse*,ExprList*,const char*,const char*);
void sqlite3ExprListDelete(sqlite3*, ExprList*);
u32 sqlite3ExprListFlags(const ExprList*);
int sqlite3Init(sqlite3*, char**);
@@ -3693,7 +3681,7 @@ void sqlite3AddColumn(Parse*,Token*,Token*);
void sqlite3AddNotNull(Parse*, int);
void sqlite3AddPrimaryKey(Parse*, ExprList*, int, int, int);
void sqlite3AddCheckConstraint(Parse*, Expr*);
void sqlite3AddDefaultValue(Parse*,ExprSpan*);
void sqlite3AddDefaultValue(Parse*,Expr*,const char*,const char*);
void sqlite3AddCollateType(Parse*, Token*);
void sqlite3EndTable(Parse*,Token*,Token*,u8,Select*);
int sqlite3ParseUri(const char*,const char*,unsigned int*,