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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "glk/alan3/syntax.h"
#include "glk/alan3/word.h"
#include "glk/alan3/msg.h"
#include "glk/alan3/lists.h"
#include "glk/alan3/compatibility.h"
namespace Glk {
namespace Alan3 {
/* PUBLIC DATA */
SyntaxEntry *stxs; /* Syntax table pointer */
/* PRIVATE TYPES & DATA */
/*+++++++++++++++++++++++++++++++++++++++++++++++++++*/
/*======================================================================*/
ElementEntry *elementTreeOf(SyntaxEntry *stx) {
return (ElementEntry *) pointerTo(stx->elms);
}
/*----------------------------------------------------------------------*/
static SyntaxEntry *findSyntaxEntryForPreBeta2(int verbCode, SyntaxEntry *foundStx) {
SyntaxEntryPreBeta2 *stx;
for (stx = (SyntaxEntryPreBeta2 *)stxs; !isEndOfArray(stx); stx++)
if (stx->code == verbCode) {
foundStx = (SyntaxEntry *)stx;
break;
}
return (foundStx);
}
/*----------------------------------------------------------------------*/
static SyntaxEntry *findSyntaxEntry(int verbCode) {
SyntaxEntry *stx;
for (stx = stxs; !isEndOfArray(stx); stx++)
if (stx->code == verbCode) {
return stx;
break;
}
return NULL;
}
/*======================================================================*/
SyntaxEntry *findSyntaxTreeForVerb(CONTEXT, int verbCode) {
SyntaxEntry *foundStx = NULL;
if (isPreBeta2(header->version)) {
foundStx = findSyntaxEntryForPreBeta2(verbCode, foundStx);
} else {
foundStx = findSyntaxEntry(verbCode);
}
if (foundStx == NULL)
// No matching syntax
R0CALL1(error, M_WHAT)
return foundStx;
}
/*======================================================================*/
char *parameterNameInSyntax(int syntaxNumber, int parameterNumber) {
Aaddr adr = addressAfterTable(header->parameterMapAddress, sizeof(ParameterMapEntry));
Aaddr *syntaxParameterNameTable = (Aaddr *)pointerTo(memory[adr]);
Aaddr *parameterNameTable = (Aaddr *)pointerTo(syntaxParameterNameTable[syntaxNumber - 1]);
return stringAt(parameterNameTable[parameterNumber - 1]);
}
} // End of namespace Alan3
} // End of namespace Glk
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