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vbscript: Added parser support for select case statement.

This commit is contained in:
Jacek Caban 2012-07-20 16:28:32 +02:00 committed by Alexandre Julliard
parent 7bcfb02169
commit 119c985cda
4 changed files with 73 additions and 7 deletions
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9
dlls/vbscript/compile.c
View File

@ -752,6 +752,12 @@ static HRESULT compile_forto_statement(compile_ctx_t *ctx, forto_statement_t *st
return S_OK;
}
static HRESULT compile_select_statement(compile_ctx_t *ctx, select_statement_t *stat)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT compile_assignment(compile_ctx_t *ctx, member_expression_t *member_expr, expression_t *value_expr, BOOL is_set)
{
unsigned args_cnt;
@ -1058,6 +1064,9 @@ static HRESULT compile_statement(compile_ctx_t *ctx, statement_ctx_t *stat_ctx,
case STAT_ONERROR:
hres = compile_onerror_statement(ctx, (onerror_statement_t*)stat);
break;
case STAT_SELECT:
hres = compile_select_statement(ctx, (select_statement_t*)stat);
break;
case STAT_SET:
hres = compile_assign_statement(ctx, (assign_statement_t*)stat, TRUE);
break;

4
dlls/vbscript/lex.c
View File

@ -30,6 +30,7 @@ static const WCHAR andW[] = {'a','n','d',0};
static const WCHAR byrefW[] = {'b','y','r','e','f',0};
static const WCHAR byvalW[] = {'b','y','v','a','l',0};
static const WCHAR callW[] = {'c','a','l','l',0};
static const WCHAR caseW[] = {'c','a','s','e',0};
static const WCHAR classW[] = {'c','l','a','s','s',0};
static const WCHAR constW[] = {'c','o','n','s','t',0};
static const WCHAR defaultW[] = {'d','e','f','a','u','l','t',0};
@ -70,6 +71,7 @@ static const WCHAR propertyW[] = {'p','r','o','p','e','r','t','y',0};
static const WCHAR publicW[] = {'p','u','b','l','i','c',0};
static const WCHAR remW[] = {'r','e','m',0};
static const WCHAR resumeW[] = {'r','e','s','u','m','e',0};
static const WCHAR selectW[] = {'s','e','l','e','c','t',0};
static const WCHAR setW[] = {'s','e','t',0};
static const WCHAR stepW[] = {'s','t','e','p',0};
static const WCHAR stopW[] = {'s','t','o','p',0};
@ -90,6 +92,7 @@ static const struct {
{byrefW, tBYREF},
{byvalW, tBYVAL},
{callW, tCALL},
{caseW, tCASE},
{classW, tCLASS},
{constW, tCONST},
{defaultW, tDEFAULT},
@ -130,6 +133,7 @@ static const struct {
{publicW, tPUBLIC},
{remW, tREM},
{resumeW, tRESUME},
{selectW, tSELECT},
{setW, tSET},
{stepW, tSTEP},
{stopW, tSTOP},

13
dlls/vbscript/parse.h
View File

@ -113,6 +113,7 @@ typedef enum {
STAT_FUNC,
STAT_IF,
STAT_ONERROR,
STAT_SELECT,
STAT_SET,
STAT_STOP,
STAT_UNTIL,
@ -233,6 +234,18 @@ typedef struct {
const_decl_t *decls;
} const_statement_t;
typedef struct _case_clausule_t {
expression_t *expr;
statement_t *stat;
struct _case_clausule_t *next;
} case_clausule_t;
typedef struct {
statement_t stat;
expression_t *expr;
case_clausule_t *case_clausules;
} select_statement_t;
typedef struct {
const WCHAR *code;
const WCHAR *ptr;

54
dlls/vbscript/parser.y
View File

@ -58,12 +58,14 @@ static statement_t *new_if_statement(parser_ctx_t*,expression_t*,statement_t*,el
static statement_t *new_function_statement(parser_ctx_t*,function_decl_t*);
static statement_t *new_onerror_statement(parser_ctx_t*,BOOL);
static statement_t *new_const_statement(parser_ctx_t*,const_decl_t*);
static statement_t *new_select_statement(parser_ctx_t*,expression_t*,case_clausule_t*);
static dim_decl_t *new_dim_decl(parser_ctx_t*,const WCHAR*,dim_decl_t*);
static elseif_decl_t *new_elseif_decl(parser_ctx_t*,expression_t*,statement_t*);
static function_decl_t *new_function_decl(parser_ctx_t*,const WCHAR*,function_type_t,unsigned,arg_decl_t*,statement_t*);
static arg_decl_t *new_argument_decl(parser_ctx_t*,const WCHAR*,BOOL);
static const_decl_t *new_const_decl(parser_ctx_t*,const WCHAR*,expression_t*);
static case_clausule_t *new_case_clausule(parser_ctx_t*,expression_t*,statement_t*,case_clausule_t*);
static class_decl_t *new_class_decl(parser_ctx_t*);
static class_decl_t *add_class_function(parser_ctx_t*,class_decl_t*,function_decl_t*);
@ -94,6 +96,7 @@ static const WCHAR propertyW[] = {'p','r','o','p','e','r','t','y',0};
arg_decl_t *arg_decl;
class_decl_t *class_decl;
const_decl_t *const_decl;
case_clausule_t *case_clausule;
unsigned uint;
LONG lng;
BOOL bool;
@ -107,6 +110,7 @@ static const WCHAR propertyW[] = {'p','r','o','p','e','r','t','y',0};
%token tCALL tDIM tSUB tFUNCTION tPROPERTY tGET tLET tCONST
%token tIF tELSE tELSEIF tEND tTHEN tEXIT
%token tWHILE tWEND tDO tLOOP tUNTIL tFOR tTO tSTEP tEACH tIN
%token tSELECT tCASE
%token tBYREF tBYVAL
%token tOPTION tEXPLICIT
%token tSTOP
@ -122,7 +126,7 @@ static const WCHAR propertyW[] = {'p','r','o','p','e','r','t','y',0};
%type <expression> ConcatExpression AdditiveExpression ModExpression IntdivExpression MultiplicativeExpression ExpExpression
%type <expression> NotExpression UnaryExpression AndExpression OrExpression XorExpression EqvExpression
%type <member> MemberExpression
%type <expression> Arguments_opt ArgumentList_opt ArgumentList Step_opt
%type <expression> Arguments_opt ArgumentList_opt Step_opt ExpressionList
%type <bool> OptionExplicit_opt DoType
%type <arg_decl> ArgumentsDecl_opt ArgumentDeclList ArgumentDecl
%type <func_decl> FunctionDecl PropertyDecl
@ -132,6 +136,7 @@ static const WCHAR propertyW[] = {'p','r','o','p','e','r','t','y',0};
%type <dim_decl> DimDeclList
%type <const_decl> ConstDecl ConstDeclList
%type <string> Identifier
%type <case_clausule> CaseClausules
%%
@ -196,6 +201,8 @@ SimpleStatement
{ $$ = new_forto_statement(ctx, $2, $4, $6, $7, $9); CHECK_ERROR; }
| tFOR tEACH Identifier tIN Expression tNL StatementsNl_opt tNEXT
{ $$ = new_foreach_statement(ctx, $3, $5, $7); }
| tSELECT tCASE Expression tNL CaseClausules tEND tSELECT
{ $$ = new_select_statement(ctx, $3, $5); }
MemberExpression
: Identifier { $$ = new_member_expression(ctx, NULL, $1); CHECK_ERROR; }
@ -247,22 +254,28 @@ Else_opt
: /* empty */ { $$ = NULL; }
| tELSE tNL StatementsNl { $$ = $3; }
CaseClausules
: /* empty */ { $$ = NULL; }
| tCASE tELSE tNL StatementsNl { $$ = new_case_clausule(ctx, NULL, $4, NULL); }
| tCASE ExpressionList tNL StatementsNl_opt CaseClausules
{ $$ = new_case_clausule(ctx, $2, $4, $5); }
Arguments_opt
: EmptyBrackets_opt { $$ = NULL; }
| '(' ArgumentList ')' { $$ = $2; }
| '(' ExpressionList ')' { $$ = $2; }
ArgumentList_opt
: EmptyBrackets_opt { $$ = NULL; }
| ArgumentList { $$ = $1; }
ArgumentList
: Expression { $$ = $1; }
| Expression ',' ArgumentList { $1->next = $3; $$ = $1; }
| ExpressionList { $$ = $1; }
EmptyBrackets_opt
: /* empty */
| tEMPTYBRACKETS
ExpressionList
: Expression { $$ = $1; }
| Expression ',' ExpressionList { $1->next = $3; $$ = $1; }
Expression
: EqvExpression { $$ = $1; }
| Expression tIMP EqvExpression { $$ = new_binary_expression(ctx, EXPR_IMP, $1, $3); CHECK_ERROR; }
@ -697,6 +710,33 @@ static statement_t *new_if_statement(parser_ctx_t *ctx, expression_t *expr, stat
return &stat->stat;
}
static statement_t *new_select_statement(parser_ctx_t *ctx, expression_t *expr, case_clausule_t *case_clausules)
{
select_statement_t *stat;
stat = new_statement(ctx, STAT_SELECT, sizeof(*stat));
if(!stat)
return NULL;
stat->expr = expr;
stat->case_clausules = case_clausules;
return &stat->stat;
}
static case_clausule_t *new_case_clausule(parser_ctx_t *ctx, expression_t *expr, statement_t *stat, case_clausule_t *next)
{
case_clausule_t *ret;
ret = parser_alloc(ctx, sizeof(*ret));
if(!ret)
return NULL;
ret->expr = expr;
ret->stat = stat;
ret->next = next;
return ret;
}
static statement_t *new_onerror_statement(parser_ctx_t *ctx, BOOL resume_next)
{
onerror_statement_t *stat;