95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "glk/alan3/syntax.h"
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#include "glk/alan3/word.h"
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#include "glk/alan3/msg.h"
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#include "glk/alan3/lists.h"
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#include "glk/alan3/compatibility.h"
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namespace Glk {
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namespace Alan3 {
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/* PUBLIC DATA */
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SyntaxEntry *stxs; /* Syntax table pointer */
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/* PRIVATE TYPES & DATA */
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/*+++++++++++++++++++++++++++++++++++++++++++++++++++*/
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/*======================================================================*/
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ElementEntry *elementTreeOf(SyntaxEntry *stx) {
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return (ElementEntry *) pointerTo(stx->elms);
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}
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/*----------------------------------------------------------------------*/
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static SyntaxEntry *findSyntaxEntryForPreBeta2(int verbCode, SyntaxEntry *foundStx) {
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SyntaxEntryPreBeta2 *stx;
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for (stx = (SyntaxEntryPreBeta2 *)stxs; !isEndOfArray(stx); stx++)
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if (stx->code == verbCode) {
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foundStx = (SyntaxEntry *)stx;
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break;
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}
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return (foundStx);
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}
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/*----------------------------------------------------------------------*/
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static SyntaxEntry *findSyntaxEntry(int verbCode) {
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SyntaxEntry *stx;
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for (stx = stxs; !isEndOfArray(stx); stx++)
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if (stx->code == verbCode) {
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return stx;
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break;
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}
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return nullptr;
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}
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/*======================================================================*/
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SyntaxEntry *findSyntaxTreeForVerb(CONTEXT, int verbCode) {
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SyntaxEntry *foundStx = nullptr;
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if (isPreBeta2(header->version)) {
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foundStx = findSyntaxEntryForPreBeta2(verbCode, foundStx);
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} else {
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foundStx = findSyntaxEntry(verbCode);
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}
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if (foundStx == nullptr)
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// No matching syntax
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R0CALL1(error, M_WHAT)
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return foundStx;
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}
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/*======================================================================*/
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char *parameterNameInSyntax(int syntaxNumber, int parameterNumber) {
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Aaddr adr = addressAfterTable(header->parameterMapAddress, sizeof(ParameterMapEntry));
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Aaddr *syntaxParameterNameTable = (Aaddr *)pointerTo(memory[adr]);
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Aaddr *parameterNameTable = (Aaddr *)pointerTo(syntaxParameterNameTable[syntaxNumber - 1]);
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return stringAt(parameterNameTable[parameterNumber - 1]);
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}
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} // End of namespace Alan3
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} // End of namespace Glk
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