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authorEugene Sandulenko2016-06-22 10:19:36 +0200
committerEugene Sandulenko2016-08-03 23:40:36 +0200
commit8362f79329a0b414f3d89917b1c9ac0489fd5809 (patch)
treef51d71ef3abf5d5381c7d6203ba9495b24a5bbda /engines/director/lingo/lingo-code.cpp
parent0f3295c98f1bf846e0e7183d4fbafb1a767de75f (diff)
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DIRECTOR: Lingo: Further work on the 'repeat with' control keyword
Diffstat (limited to 'engines/director/lingo/lingo-code.cpp')
-rw-r--r--engines/director/lingo/lingo-code.cpp66
1 files changed, 37 insertions, 29 deletions
diff --git a/engines/director/lingo/lingo-code.cpp b/engines/director/lingo/lingo-code.cpp
index e0ec7e8471..d83a7d3f07 100644
--- a/engines/director/lingo/lingo-code.cpp
+++ b/engines/director/lingo/lingo-code.cpp
@@ -52,12 +52,30 @@
namespace Director {
void Lingo::execute(int pc) {
- for(_pc = pc; (*_currentScript)[_pc] != STOP;) {
+ for(_pc = pc; (*_currentScript)[_pc] != STOP && !_returning;) {
_pc++;
(*((*_currentScript)[_pc - 1]))();
}
}
+Symbol *Lingo::lookupVar(const char *name) {
+ Symbol *sym;
+
+ if (!_vars.contains(name)) { // Create variable if it was not defined
+ sym = new Symbol;
+ sym->name = (char *)calloc(strlen(name) + 1, 1);
+ Common::strlcpy(sym->name, name, strlen(name) + 1);
+ sym->type = VOID;
+ sym->u.val = 0;
+
+ _vars[name] = sym;
+ } else {
+ sym = g_lingo->_vars[name];
+ }
+
+ return sym;
+}
+
void Lingo::push(Datum d) {
_stack.push_back(d);
}
@@ -90,23 +108,10 @@ void Lingo::c_constpush() {
}
void Lingo::c_varpush() {
- Datum d;
- Symbol *sym;
char *name = (char *)&(*g_lingo->_currentScript)[g_lingo->_pc];
+ Datum d;
- if (!g_lingo->_vars.contains(name)) { // Create variable if it was not defined
- sym = new Symbol;
- sym->name = (char *)calloc(strlen(name) + 1, 1);
- Common::strlcpy(sym->name, name, strlen(name) + 1);
- sym->type = VOID;
- sym->u.val = 0;
-
- g_lingo->_vars[name] = sym;
- } else {
- sym = g_lingo->_vars[name];
- }
-
- d.sym = sym;
+ d.sym = g_lingo->lookupVar(name);
g_lingo->_pc += g_lingo->calcStringAlignment(name);
@@ -259,15 +264,15 @@ void Lingo::c_repeatwhilecode(void) {
while (d.val) {
g_lingo->execute(body); /* body */
- if (0 /* returning */)
+ if (g_lingo->_returning)
break;
g_lingo->execute(savepc + 2); /* condition */
d = g_lingo->pop();
}
- //if (!returning)
- g_lingo->_pc = end; /* next stmt */
+ if (!g_lingo->_returning)
+ g_lingo->_pc = end; /* next stmt */
}
void Lingo::c_repeatwithcode(void) {
@@ -278,22 +283,28 @@ void Lingo::c_repeatwithcode(void) {
int finish = READ_LE_UINT32(&(*g_lingo->_currentScript)[savepc + 2]);
int body = READ_LE_UINT32(&(*g_lingo->_currentScript)[savepc + 3]);
int end = READ_LE_UINT32(&(*g_lingo->_currentScript)[savepc + 4]);
- Common::String counter((char *)&(*g_lingo->_currentScript)[savepc + 5]);
+ Common::String countername((char *)&(*g_lingo->_currentScript)[savepc + 5]);
+ Symbol *counter = g_lingo->lookupVar(countername.c_str());
g_lingo->execute(init); /* condition */
d = g_lingo->pop();
+ counter->u.val = d.val;
- while (d.val) {
+ while (true) {
g_lingo->execute(body); /* body */
- if (0 /* returning */)
+ if (g_lingo->_returning)
break;
+ counter->u.val++;
g_lingo->execute(finish); /* condition */
d = g_lingo->pop();
+
+ if (counter->u.val > d.val)
+ break;
}
- //if (!returning)
- g_lingo->_pc = end; /* next stmt */
+ if (!g_lingo->_returning)
+ g_lingo->_pc = end; /* next stmt */
}
void Lingo::c_ifcode() {
@@ -304,12 +315,9 @@ void Lingo::c_ifcode() {
int elsep = READ_LE_UINT32(&(*g_lingo->_currentScript)[savepc + 1]);
int end = READ_LE_UINT32(&(*g_lingo->_currentScript)[savepc + 2]);
- warning("cond: %d end: %d then: %d elesp: %d", savepc + 3, end, then, elsep);
-
g_lingo->execute(savepc + 3); /* condition */
d = g_lingo->pop();
- warning("res: %d", d.val);
if (d.val) {
g_lingo->execute(then);
@@ -317,8 +325,8 @@ void Lingo::c_ifcode() {
g_lingo->execute(elsep);
}
- //if (!returning)
- g_lingo->_pc = end; /* next stmt */
+ if (!g_lingo->_returning)
+ g_lingo->_pc = end; /* next stmt */
}
//************************