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Diffstat (limited to 'engines/gob')
-rw-r--r--engines/gob/parse.cpp30
-rw-r--r--engines/gob/parse.h2
-rw-r--r--engines/gob/parse_v1.cpp26
-rw-r--r--engines/gob/parse_v2.cpp30
4 files changed, 45 insertions, 43 deletions
diff --git a/engines/gob/parse.cpp b/engines/gob/parse.cpp
index 7bcdfb4f79..50eec0f406 100644
--- a/engines/gob/parse.cpp
+++ b/engines/gob/parse.cpp
@@ -118,7 +118,7 @@ void Parse::skipExpr(char stopToken) {
_vm->_global->_inter_execPtr += 2;
if (*_vm->_global->_inter_execPtr == 13) {
_vm->_global->_inter_execPtr++;
- skipExpr(12);
+ skipExpr(OP_END_MARKER);
}
break;
@@ -134,17 +134,17 @@ void Parse::skipExpr(char stopToken) {
_vm->_global->_inter_execPtr += 3 + dimCount;
// skip indices
for (dim = 0; dim < dimCount; dim++)
- skipExpr(12);
+ skipExpr(OP_END_MARKER);
if ((operation == OP_ARRAY_STR) && (*_vm->_global->_inter_execPtr == 13)) {
_vm->_global->_inter_execPtr++;
- skipExpr(12);
+ skipExpr(OP_END_MARKER);
}
break;
case OP_FUNC:
_vm->_global->_inter_execPtr++;
- skipExpr(10);
+ skipExpr(OP_END_EXPR);
}
continue;
} // if ((operation >= OP_ARRAY_UINT8) && (operation <= OP_FUNC))
@@ -166,7 +166,7 @@ void Parse::skipExpr(char stopToken) {
if (operation != stopToken)
continue;
- if ((stopToken != 10) || (num < 0))
+ if ((stopToken != OP_END_EXPR) || (num < 0))
return;
}
}
@@ -235,7 +235,7 @@ void Parse::printExpr_internal(char stopToken) {
if (*_vm->_global->_inter_execPtr == 13) {
_vm->_global->_inter_execPtr++;
debugN(5, "{");
- printExpr_internal(12); // this also prints the closing }
+ printExpr_internal(OP_END_MARKER); // this also prints the closing }
}
break;
@@ -252,7 +252,7 @@ void Parse::printExpr_internal(char stopToken) {
arrDesc = _vm->_global->_inter_execPtr;
_vm->_global->_inter_execPtr += dimCount;
for (dim = 0; dim < dimCount; dim++) {
- printExpr_internal(12);
+ printExpr_internal(OP_END_MARKER);
debugN(5, " of %d", (int16) arrDesc[dim]);
if (dim != dimCount - 1)
debugN(5, ",");
@@ -264,7 +264,7 @@ void Parse::printExpr_internal(char stopToken) {
if ((operation == OP_ARRAY_STR) && (*_vm->_global->_inter_execPtr == 13)) {
_vm->_global->_inter_execPtr++;
debugN(5, "{");
- printExpr_internal(12); // this also prints the closing }
+ printExpr_internal(OP_END_MARKER); // this also prints the closing }
}
break;
@@ -280,7 +280,7 @@ void Parse::printExpr_internal(char stopToken) {
debugN(5, "sqrt(");
else
debugN(5, "id(");
- printExpr_internal(10);
+ printExpr_internal(OP_END_EXPR);
break;
}
continue;
@@ -368,9 +368,9 @@ void Parse::printExpr_internal(char stopToken) {
debugN(5, "\n");
break;
- case 12:
+ case OP_END_MARKER:
debugN(5, "}");
- if (stopToken != 12) {
+ if (stopToken != OP_END_MARKER) {
debugN(5, "Closing paren without opening?");
}
break;
@@ -396,7 +396,7 @@ void Parse::printExpr_internal(char stopToken) {
num--;
if (operation == stopToken) {
- if ((stopToken != 10) || (num < 0)) {
+ if ((stopToken != OP_END_EXPR) || (num < 0)) {
return;
}
}
@@ -422,7 +422,7 @@ void Parse::printVarIndex() {
if ((operation == OP_LOAD_VAR_STR) && (*_vm->_global->_inter_execPtr == 13)) {
_vm->_global->_inter_execPtr++;
debugN(5, "+");
- printExpr(12);
+ printExpr(OP_END_MARKER);
}
break;
@@ -433,7 +433,7 @@ void Parse::printVarIndex() {
arrDesc = _vm->_global->_inter_execPtr;
_vm->_global->_inter_execPtr += dimCount;
for (dim = 0; dim < dimCount; dim++) {
- printExpr(12);
+ printExpr(OP_END_MARKER);
debugN(5, " of %d", (int16) arrDesc[dim]);
if (dim != dimCount - 1)
debugN(5, ",");
@@ -443,7 +443,7 @@ void Parse::printVarIndex() {
if ((operation == OP_ARRAY_STR) && (*_vm->_global->_inter_execPtr == 13)) {
_vm->_global->_inter_execPtr++;
debugN(5, "+");
- printExpr(12);
+ printExpr(OP_END_MARKER);
}
break;
diff --git a/engines/gob/parse.h b/engines/gob/parse.h
index e0696fa0bb..689ef06eae 100644
--- a/engines/gob/parse.h
+++ b/engines/gob/parse.h
@@ -41,6 +41,8 @@ enum {
OP_END_EXPR = 10,
OP_NOT = 11,
+ OP_END_MARKER = 12, // Marks end of an array or string
+
OP_ARRAY_UINT8 = 16,
diff --git a/engines/gob/parse_v1.cpp b/engines/gob/parse_v1.cpp
index 5352e9a611..427a2b5184 100644
--- a/engines/gob/parse_v1.cpp
+++ b/engines/gob/parse_v1.cpp
@@ -56,7 +56,7 @@ int16 Parse_v1::parseVarIndex(uint16 *arg_0, uint16 *arg_4) {
if ((operation == OP_LOAD_VAR_STR) && (*_vm->_global->_inter_execPtr == 13)) {
_vm->_global->_inter_execPtr++;
- val = parseValExpr(12);
+ val = parseValExpr(OP_END_MARKER);
temp += val;
debugC(5, kDebugParser, "parse subscript = %d", val);
}
@@ -70,7 +70,7 @@ int16 Parse_v1::parseVarIndex(uint16 *arg_0, uint16 *arg_4) {
_vm->_global->_inter_execPtr += dimCount;
offset = 0;
for (dim = 0; dim < dimCount; dim++) {
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
offset = arrDesc[dim] * offset + temp2;
}
offset *= 4;
@@ -79,7 +79,7 @@ int16 Parse_v1::parseVarIndex(uint16 *arg_0, uint16 *arg_4) {
if (*_vm->_global->_inter_execPtr == 13) {
_vm->_global->_inter_execPtr++;
- temp += parseValExpr(12);
+ temp += parseValExpr(OP_END_MARKER);
}
return offset * _vm->_global->_inter_animDataSize + temp;
@@ -140,7 +140,7 @@ int16 Parse_v1::parseValExpr(byte stopToken) {
case OP_LOAD_VAR_STR:
temp = _vm->_inter->load16() * 4;
_vm->_global->_inter_execPtr++;
- temp += parseValExpr(12);
+ temp += parseValExpr(OP_END_MARKER);
*valPtr = READ_VARO_UINT8(temp);
break;
@@ -152,14 +152,14 @@ int16 Parse_v1::parseValExpr(byte stopToken) {
_vm->_global->_inter_execPtr += dimCount;
offset = 0;
for (dim = 0; dim < dimCount; dim++) {
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
offset = arrDesc[dim] * offset + temp2;
}
if (operation == OP_ARRAY_UINT32) {
*valPtr = (uint16) VAR(temp + offset);
} else {
_vm->_global->_inter_execPtr++;
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
*valPtr = READ_VARO_UINT8(temp * 4 + offset * 4 *
_vm->_global->_inter_animDataSize + temp2);
}
@@ -167,7 +167,7 @@ int16 Parse_v1::parseValExpr(byte stopToken) {
case OP_FUNC:
operation = *_vm->_global->_inter_execPtr++;
- parseExpr(10, 0);
+ parseExpr(OP_END_EXPR, 0);
if (operation == FUNC_SQR) {
_vm->_global->_inter_resVal =
@@ -379,7 +379,7 @@ int16 Parse_v1::parseExpr(byte stopToken, byte *arg_2) {
kInterVar);
if (*_vm->_global->_inter_execPtr == 13) {
_vm->_global->_inter_execPtr++;
- temp += parseValExpr(12);
+ temp += parseValExpr(OP_END_MARKER);
*operPtr = OP_LOAD_IMM_INT16;
*valPtr = READ_VARO_UINT8(temp);
}
@@ -395,7 +395,7 @@ int16 Parse_v1::parseExpr(byte stopToken, byte *arg_2) {
offset = 0;
dim = 0;
for (dim = 0; dim < dimCount; dim++) {
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
offset = offset * arrDescPtr[dim] + temp2;
}
@@ -408,7 +408,7 @@ int16 Parse_v1::parseExpr(byte stopToken, byte *arg_2) {
kInterVar);
if (*_vm->_global->_inter_execPtr == 13) {
_vm->_global->_inter_execPtr++;
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
*operPtr = OP_LOAD_IMM_INT16;
*valPtr = READ_VARO_UINT8(temp * 4 +
offset * 4 * _vm->_global->_inter_animDataSize + temp2);
@@ -417,7 +417,7 @@ int16 Parse_v1::parseExpr(byte stopToken, byte *arg_2) {
case OP_FUNC:
operation = *_vm->_global->_inter_execPtr++;
- parseExpr(10, 0);
+ parseExpr(OP_END_EXPR, 0);
switch (operation) {
case FUNC_SQR:
@@ -473,7 +473,7 @@ int16 Parse_v1::parseExpr(byte stopToken, byte *arg_2) {
continue;
switch (operPtr[-1]) {
- case 2:
+ case OP_ADD:
if (operPtr[-2] == OP_LOAD_IMM_STR) {
if ((char *) decodePtr(valPtr[-2]) != _vm->_global->_inter_resStr) {
strcpy(_vm->_global->_inter_resStr, (char *) decodePtr(valPtr[-2]));
@@ -734,7 +734,7 @@ int16 Parse_v1::parseExpr(byte stopToken, byte *arg_2) {
if (((operation == OP_OR) && (operPtr[-1] == GOB_TRUE)) ||
((operation == OP_AND) && (operPtr[-1] == GOB_FALSE))) {
if ((stkPos > 1) && (operPtr[-2] == OP_BEGIN_EXPR)) {
- skipExpr(10);
+ skipExpr(OP_END_EXPR);
operPtr[-2] = operPtr[-1];
stkPos -= 2;
operPtr -= 2;
diff --git a/engines/gob/parse_v2.cpp b/engines/gob/parse_v2.cpp
index 296e135fa1..87ad486c93 100644
--- a/engines/gob/parse_v2.cpp
+++ b/engines/gob/parse_v2.cpp
@@ -85,7 +85,7 @@ int16 Parse_v2::parseVarIndex(uint16 *arg_0, uint16 *arg_4) {
uint16 var_6 = 0;
for (int i = 0; i < var_A; i++) {
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
int16 ax = sub_12063(temp2, var_12[i], varPos, 0, 0);
@@ -122,7 +122,7 @@ int16 Parse_v2::parseVarIndex(uint16 *arg_0, uint16 *arg_4) {
_vm->_global->_inter_execPtr += dimCount;
offset = 0;
for (dim = 0; dim < dimCount; dim++) {
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
offset = arrDesc[dim] * offset + temp2;
}
if (operation == OP_ARRAY_UINT8)
@@ -135,7 +135,7 @@ int16 Parse_v2::parseVarIndex(uint16 *arg_0, uint16 *arg_4) {
offset *= 4;
if (*_vm->_global->_inter_execPtr == 13) {
_vm->_global->_inter_execPtr++;
- temp += parseValExpr(12);
+ temp += parseValExpr(OP_END_MARKER);
}
return varPos + offset * _vm->_global->_inter_animDataSize + temp;
@@ -153,7 +153,7 @@ int16 Parse_v2::parseVarIndex(uint16 *arg_0, uint16 *arg_4) {
(int16) *_vm->_global->_inter_execPtr);
if ((operation == OP_LOAD_VAR_STR) && (*_vm->_global->_inter_execPtr == 13)) {
_vm->_global->_inter_execPtr++;
- val = parseValExpr(12);
+ val = parseValExpr(OP_END_MARKER);
temp += val;
debugC(5, kDebugParser, "parse subscript = %d", val);
}
@@ -216,7 +216,7 @@ int16 Parse_v2::parseValExpr(byte stopToken) {
uint16 var_6 = 0;
for (int i = 0; i < var_A; i++) {
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
int16 ax = sub_12063(temp2, var_12[i], varPos, 0, 0);
@@ -250,7 +250,7 @@ int16 Parse_v2::parseValExpr(byte stopToken) {
_vm->_global->_inter_execPtr += dimCount;
offset = 0;
for (dim = 0; dim < dimCount; dim++) {
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
offset = arrDesc[dim] * offset + temp2;
}
if (operation == OP_ARRAY_UINT8)
@@ -261,7 +261,7 @@ int16 Parse_v2::parseValExpr(byte stopToken) {
*valPtr = READ_VARO_UINT16(varPos + temp * 2 + offset * 2);
else if (operation == OP_ARRAY_STR) {
_vm->_global->_inter_execPtr++;
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
*valPtr = READ_VARO_UINT8(varPos + temp * 4 +
offset * 4 * _vm->_global->_inter_animDataSize + temp2);
}
@@ -299,13 +299,13 @@ int16 Parse_v2::parseValExpr(byte stopToken) {
case OP_LOAD_VAR_STR:
temp = _vm->_inter->load16() * 4;
_vm->_global->_inter_execPtr++;
- temp += parseValExpr(12);
+ temp += parseValExpr(OP_END_MARKER);
*valPtr = READ_VARO_UINT8(varPos + temp);
break;
case OP_FUNC:
operation = *_vm->_global->_inter_execPtr++;
- parseExpr(10, 0);
+ parseExpr(OP_END_EXPR, 0);
if (operation == FUNC_SQR) {
_vm->_global->_inter_resVal =
@@ -508,7 +508,7 @@ int16 Parse_v2::parseExpr(byte stopToken, byte *arg_2) {
uint16 var_6 = 0;
for (int i = 0; i < var_A; i++) {
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
int16 ax = sub_12063(temp2, var_12[i], varPos, 0, 0);
@@ -543,7 +543,7 @@ int16 Parse_v2::parseExpr(byte stopToken, byte *arg_2) {
_vm->_global->_inter_execPtr += dimCount;
offset = 0;
for (dim = 0; dim < dimCount; dim++) {
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
offset = offset * arrDescPtr[dim] + temp2;
}
if (operation == OP_ARRAY_UINT8)
@@ -558,7 +558,7 @@ int16 Parse_v2::parseExpr(byte stopToken, byte *arg_2) {
kInterVar);
if (*_vm->_global->_inter_execPtr == 13) {
_vm->_global->_inter_execPtr++;
- temp2 = parseValExpr(12);
+ temp2 = parseValExpr(OP_END_MARKER);
*operPtr = OP_LOAD_IMM_INT16;
*valPtr = READ_VARO_UINT8(varPos + temp * 4 +
offset * 4 * _vm->_global->_inter_animDataSize + temp2);
@@ -615,7 +615,7 @@ int16 Parse_v2::parseExpr(byte stopToken, byte *arg_2) {
*valPtr = encodePtr(_vm->_inter->_variables->getAddressOff8(varPos + temp, 0), kInterVar);
if (*_vm->_global->_inter_execPtr == 13) {
_vm->_global->_inter_execPtr++;
- temp += parseValExpr(12);
+ temp += parseValExpr(OP_END_MARKER);
*operPtr = OP_LOAD_IMM_INT16;
*valPtr = READ_VARO_UINT8(varPos + temp);
}
@@ -623,7 +623,7 @@ int16 Parse_v2::parseExpr(byte stopToken, byte *arg_2) {
case OP_FUNC:
operation = *_vm->_global->_inter_execPtr++;
- parseExpr(10, 0);
+ parseExpr(OP_END_EXPR, 0);
switch (operation) {
case FUNC_SQRT1:
@@ -951,7 +951,7 @@ int16 Parse_v2::parseExpr(byte stopToken, byte *arg_2) {
if (((operation == OP_OR) && (operPtr[-1] == GOB_TRUE)) ||
((operation == OP_AND) && (operPtr[-1] == GOB_FALSE))) {
if ((stkPos > 1) && (operPtr[-2] == OP_BEGIN_EXPR)) {
- skipExpr(10);
+ skipExpr(OP_END_EXPR);
operPtr[-2] = operPtr[-1];
stkPos -= 2;
operPtr -= 2;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 02:56:19 +0000