[jmorlan] 39846: Separate batch file contexts and FOR contexts into two different structs, since they don't actually have anything in common any more
2 Mar
2009
2 Mar
'09
7:08 p.m.
Author: jmorlan
Date: Mon Mar 2 22:08:25 2009
New Revision: 39846
URL: http://svn.reactos.org/svn/reactos?rev=39846&view=rev
Log:
Separate batch file contexts and FOR contexts into two different structs, since they
don't actually have anything in common any more
Modified:
trunk/reactos/base/shell/cmd/batch.c
trunk/reactos/base/shell/cmd/batch.h
trunk/reactos/base/shell/cmd/call.c
trunk/reactos/base/shell/cmd/cmd.c
trunk/reactos/base/shell/cmd/cmd.h
trunk/reactos/base/shell/cmd/for.c
Modified: trunk/reactos/base/shell/cmd/batch.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/batch.c?rev…
==============================================================================
--- trunk/reactos/base/shell/cmd/batch.c [iso-8859-1] (original)
+++ trunk/reactos/base/shell/cmd/batch.c [iso-8859-1] Mon Mar 2 22:08:25 2009
@@ -225,8 +225,7 @@
}
/* Kill any and all FOR contexts */
- while (bc && bc->forvar)
- ExitBatch (NULL);
+ fc = NULL;
if (bc == NULL || forcenew)
{
@@ -261,8 +260,6 @@
bc->bEcho = bEcho; /* Preserve echo across batch calls */
bc->shiftlevel = 0;
- bc->forvar = _T('\0');
- bc->forvarcount = 0;
bc->params = BatchParams (firstword, param);
//
// Allocate enough memory to hold the params and copy them over without modifications
@@ -311,9 +308,6 @@
* If no batch file is current or no further executable lines are found
* return NULL.
*
- * Here we also look out for FOR bcontext structures which trigger the
- * FOR expansion code.
- *
* Set eflag to 0 if line is not to be echoed else 1
*/
Modified: trunk/reactos/base/shell/cmd/batch.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/batch.h?rev…
==============================================================================
--- trunk/reactos/base/shell/cmd/batch.h [iso-8859-1] (original)
+++ trunk/reactos/base/shell/cmd/batch.h [iso-8859-1] Mon Mar 2 22:08:25 2009
@@ -17,16 +17,23 @@
INT shiftlevel;
BOOL bEcho; /* Preserve echo flag across batch calls */
REDIRECTION *RedirList;
- TCHAR forvar;
- UINT forvarcount;
- LPTSTR *forvalues;
} BATCH_CONTEXT, *LPBATCH_CONTEXT;
+
+typedef struct tagFORCONTEXT
+{
+ struct tagFORCONTEXT *prev;
+ TCHAR firstvar;
+ UINT varcount;
+ LPTSTR *values;
+} FOR_CONTEXT, *LPFOR_CONTEXT;
/* The stack of current batch contexts.
* NULL when no batch is active
*/
extern LPBATCH_CONTEXT bc;
+
+extern LPFOR_CONTEXT fc;
extern BOOL bEcho; /* The echo flag */
Modified: trunk/reactos/base/shell/cmd/call.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/call.c?rev=…
==============================================================================
--- trunk/reactos/base/shell/cmd/call.c [iso-8859-1] (original)
+++ trunk/reactos/base/shell/cmd/call.c [iso-8859-1] Mon Mar 2 22:08:25 2009
@@ -83,8 +83,6 @@
bc->hBatchFile = INVALID_HANDLE_VALUE;
bc->params = NULL;
bc->shiftlevel = 0;
- bc->forvar = 0; /* HBP004 */
- bc->forvarcount = 0;
bc->RedirList = NULL;
ParseCommandLine (param);
Modified: trunk/reactos/base/shell/cmd/cmd.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/cmd.c?rev=3…
==============================================================================
--- trunk/reactos/base/shell/cmd/cmd.c [iso-8859-1] (original)
+++ trunk/reactos/base/shell/cmd/cmd.c [iso-8859-1] Mon Mar 2 22:08:25 2009
@@ -1273,13 +1273,13 @@
if (Src[0] == _T('%') && Src[1] != _T('\0'))
{
/* This might be a variable. Search the list of contexts for it */
- BATCH_CONTEXT *Ctx = bc;
- while (Ctx && (UINT)(Src[1] - Ctx->forvar) >=
Ctx->forvarcount)
+ FOR_CONTEXT *Ctx = fc;
+ while (Ctx && (UINT)(Src[1] - Ctx->firstvar) >=
Ctx->varcount)
Ctx = Ctx->prev;
if (Ctx)
{
/* Found it */
- LPTSTR Value = Ctx->forvalues[Src[1] - Ctx->forvar];
+ LPTSTR Value = Ctx->values[Src[1] - Ctx->firstvar];
if (Dest + _tcslen(Value) > DestEnd)
return FALSE;
Dest = _stpcpy(Dest, Value);
Modified: trunk/reactos/base/shell/cmd/cmd.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/cmd.h?rev=3…
==============================================================================
--- trunk/reactos/base/shell/cmd/cmd.h [iso-8859-1] (original)
+++ trunk/reactos/base/shell/cmd/cmd.h [iso-8859-1] Mon Mar 2 22:08:25 2009
@@ -374,7 +374,7 @@
TCHAR Variable;
LPTSTR Params;
LPTSTR List;
- struct tagBATCHCONTEXT *Context;
+ struct tagFORCONTEXT *Context;
} For;
};
} PARSED_COMMAND;
Modified: trunk/reactos/base/shell/cmd/for.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/for.c?rev=3…
==============================================================================
--- trunk/reactos/base/shell/cmd/for.c [iso-8859-1] (original)
+++ trunk/reactos/base/shell/cmd/for.c [iso-8859-1] Mon Mar 2 22:08:25 2009
@@ -47,6 +47,10 @@
error_syntax(param);
return 1;
}
+
+/* The stack of current FOR contexts.
+ * NULL when no FOR command is active */
+LPFOR_CONTEXT fc = NULL;
/* Get the next element of the FOR's list */
static BOOL GetNextElement(TCHAR **pStart, TCHAR **pEnd)
@@ -81,8 +85,8 @@
/* Check if this FOR should be terminated early */
static BOOL Exiting(PARSED_COMMAND *Cmd)
{
- /* Someone might have removed our context by calling ExitBatch */
- return bCtrlBreak || bc != Cmd->For.Context;
+ /* Someone might have removed our context */
+ return bCtrlBreak || fc != Cmd->For.Context;
}
/* Read the contents of a text file into memory,
@@ -230,10 +234,10 @@
/* Count how many variables will be set: one for each token,
* plus maybe one for the remainder */
- bc->forvarcount = RemainderVar;
+ fc->varcount = RemainderVar;
for (i = 1; i < 32; i++)
- bc->forvarcount += (Tokens >> i & 1);
- bc->forvalues = Variables;
+ fc->varcount += (Tokens >> i & 1);
+ fc->values = Variables;
if (*List == StringQuote || *List == CommandQuote)
{
@@ -443,34 +447,27 @@
{
TCHAR Buffer[CMDLINE_LENGTH]; /* Buffer to hold the variable value */
LPTSTR BufferPtr = Buffer;
- LPBATCH_CONTEXT lpNew;
+ LPFOR_CONTEXT lpNew;
BOOL Success = TRUE;
LPTSTR List = DoDelayedExpansion(Cmd->For.List);
if (!List)
return FALSE;
- /* Create our pseudo-batch-context */
- lpNew = cmd_alloc(sizeof(BATCH_CONTEXT));
+ /* Create our FOR context */
+ lpNew = cmd_alloc(sizeof(FOR_CONTEXT));
if (!lpNew)
+ {
+ cmd_free(List);
return FALSE;
+ }
+ lpNew->prev = fc;
+ lpNew->firstvar = Cmd->For.Variable;
+ lpNew->varcount = 1;
+ lpNew->values = &BufferPtr;
+
Cmd->For.Context = lpNew;
-
- lpNew->prev = bc;
- bc = lpNew;
-
- bc->hBatchFile = INVALID_HANDLE_VALUE;
- bc->raw_params = NULL;
- bc->params = NULL;
- bc->shiftlevel = 0;
- bc->forvar = Cmd->For.Variable;
- bc->forvarcount = 1;
- bc->forvalues = &BufferPtr;
- if (bc->prev)
- bc->bEcho = bc->prev->bEcho;
- else
- bc->bEcho = bEcho;
- bc->RedirList = NULL;
+ fc = lpNew;
if (Cmd->For.Switches & FOR_F)
{
@@ -492,9 +489,10 @@
}
/* Remove our context, unless someone already did that */
- if (bc == lpNew)
- ExitBatch(NULL);
-
+ if (fc == lpNew)
+ fc = lpNew->prev;
+
+ cmd_free(lpNew);
cmd_free(List);
return Success;
}
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jmorlan＠svn.reactos.org