-/*
- * Interpreter.cpp
- *
- * Created on: Aug 26, 2012
- * Author: holy
- */
-
#include "Interpreter.h"
#include "ParsedSource.h"
+#include "TypeDescription.h"
#include "../battle/Hero.h"
#include "../battle/Monster.h"
#include "../battle/PartyLayout.h"
#include "../battle/Resources.h"
#include "../common/Ikari.h"
#include "../common/Item.h"
+#include "../common/Script.h"
#include "../common/Spell.h"
#include "../common/Stats.h"
#include "../common/TargetingMode.h"
using battle::PartyLayout;
using common::Ikari;
using common::Item;
+using common::Script;
using common::Spell;
using common::Stats;
using common::TargetingMode;
using graphics::ComplexAnimation;
using graphics::SimpleAnimation;
using graphics::Sprite;
-using geometry::Vector;
+using math::Vector;
using std::make_pair;
using std::set;
using std::string;
}
+const Interpreter::ParsedDefinition &Interpreter::GetDefinition(const string &identifier) {
+ std::map<string, ParsedDefinition>::const_iterator i(parsedDefinitions.find(identifier));
+ if (i != parsedDefinitions.end()) {
+ return i->second;
+ } else if (source.IsDefined(identifier)) {
+ ReadDefinition(source.GetDefinition(identifier));
+ return parsedDefinitions.at(identifier);
+ } else {
+ throw Error("access to undefined object " + identifier);
+ }
+}
+
const Interpreter::ParsedDefinition &Interpreter::GetDefinition(const string &identifier) const {
- return parsedDefinitions.at(identifier);
+ std::map<string, ParsedDefinition>::const_iterator i(parsedDefinitions.find(identifier));
+ if (i != parsedDefinitions.end()) {
+ return i->second;
+ } else {
+ throw Error("access to undefined object " + identifier);
+ }
}
-void *Interpreter::GetObject(int typeId, const std::string &name) {
- std::map<string, ParsedDefinition>::const_iterator i(parsedDefinitions.find(name));
+void *Interpreter::GetObject(
+ int typeId,
+ const std::string &name) {
+ std::map<string, ParsedDefinition>::const_iterator
+ i(parsedDefinitions.find(name));
if (i != parsedDefinitions.end()) {
- const TypeDescription &requested(TypeDescription::Get(typeId));
- const TypeDescription &actual(TypeDescription::Get(i->second.type));
+ const TypeDescription &requested =
+ TypeDescription::Get(typeId);
+ const TypeDescription &actual =
+ TypeDescription::Get(i->second.type);
if (requested.TypeId() == actual.TypeId()) {
return values[actual.TypeId()][i->second.id];
} else if (actual.IsSubtypeOf(requested)) {
- char *sub(reinterpret_cast<char *>(values[actual.TypeId()][i->second.id]));
- std::ptrdiff_t offset(actual.SupertypeOffset(requested));
+ char *sub = reinterpret_cast<char *>(
+ values[actual.TypeId()][i->second.id]);
+ std::ptrdiff_t offset =
+ actual.SupertypeOffset(requested);
return sub - offset;
} else {
- throw Error("cannot cast " + actual.TypeName() + " to " + requested.TypeName());
+ throw Error("cannot cast " + actual.TypeName()
+ + " to " + requested.TypeName());
+ }
+ } else {
+ throw Error("access to undefined object " + name);
+ }
+}
+
+const void *Interpreter::GetObject(
+ int typeId,
+ const std::string &name) const {
+ std::map<string, ParsedDefinition>::const_iterator
+ i(parsedDefinitions.find(name));
+ if (i != parsedDefinitions.end()) {
+ const TypeDescription &requested =
+ TypeDescription::Get(typeId);
+ const TypeDescription &actual =
+ TypeDescription::Get(i->second.type);
+ if (requested.TypeId() == actual.TypeId()) {
+ return values.at(actual.TypeId()).at(i->second.id);
+ } else if (actual.IsSubtypeOf(requested)) {
+ char *sub = reinterpret_cast<char *>(
+ values.at(actual.TypeId()).at(i->second.id));
+ std::ptrdiff_t offset =
+ actual.SupertypeOffset(requested);
+ return sub - offset;
+ } else {
+ throw Error("cannot cast " + actual.TypeName()
+ + " to " + requested.TypeName());
}
} else {
throw Error("access to undefined object " + name);
|| dfn.GetLiteral()->GetType() == Literal::STRING)
? dfn.GetLiteral()->GetString().size() : td.Size());
char *object(alloc.Alloc(size));
+ values[typeId].push_back(object);
+ parsedDefinitions.insert(make_pair(dfn.Identifier(), ParsedDefinition(&dfn, typeId, id)));
if (dfn.GetLiteral()->GetType() == Literal::OBJECT) {
ReadObject(typeId, id, object, *dfn.GetLiteral()->GetProperties());
} else {
ReadLiteral(typeId, id, object, *dfn.GetLiteral());
}
- values[typeId].push_back(object);
- parsedDefinitions.insert(make_pair(dfn.Identifier(), ParsedDefinition(&dfn, typeId, id)));
}
void Interpreter::ReadLiteral(int typeId, int id, char *object, const Literal &literal) {
switch (literal.GetType()) {
case Literal::ARRAY_VALUES:
- throw Error("named value arrays are not supported, sorry");
- break;
case Literal::ARRAY_PROPS:
- throw Error("named property list arrays are not supported, sorry");
+ case Literal::ARRAY_IDENTS:
+ throw Error("named arrays are not supported, sorry");
break;
case Literal::BOOLEAN:
new (object) bool(literal.GetBoolean());
object[literal.GetString().size()] = '\0';
break;
case Literal::SCRIPT:
- throw Error("script compiler not implemented");
+ new (object) Script;
+ ReadScript(literal.GetScript(), reinterpret_cast<Script *>(object));
+ break;
case Literal::STRING:
std::memcpy(object, literal.GetString().c_str(), literal.GetString().size());
object[literal.GetString().size()] = '\0';
int typeId(0), id(0);
switch (v.GetLiteral().GetType()) {
case Literal::ARRAY_VALUES:
- throw Error("cannot copy value arrays, sorry");
- break;
case Literal::ARRAY_PROPS:
- throw Error("cannot copy property list arrays, sorry");
+ case Literal::ARRAY_IDENTS:
+ throw Error("cannot copy arrays, sorry");
break;
case Literal::BOOLEAN:
{
}
break;
case Literal::SCRIPT:
- throw Error("script compiler not implemented");
+ {
+ typeId = TypeDescription::GetTypeId("Script");
+ char *script(ReadScript(v.GetLiteral().GetScript()));
+ id = values[typeId].size();
+ values[typeId].push_back(script);
+ }
+ break;
case Literal::STRING:
{
typeId = TypeDescription::GetTypeId("String");
char *object(alloc.Alloc(td.Size()));
td.Construct(object);
values[typeId].push_back(object);
- ReadObject(typeId, id, object, *dfn.GetProperties());
parsedDefinitions.insert(make_pair(dfn.Identifier(), ParsedDefinition(&dfn, typeId, id)));
+ ReadObject(typeId, id, object, *dfn.GetProperties());
}
char *dest(object + fd.Offset());
if (fd.IsAggregate()) {
int arraySize(i->second->GetLiteral().ArraySize());
- char *aggregate(alloc.Alloc(fieldType.Size() * arraySize));
- char *iter(aggregate);
+ size_t memberSize = fd.IsReferenced() ? sizeof(char *) : fieldType.Size();
+ Array array;
+ array.size = arraySize * memberSize;
+ array.data = alloc.Alloc(array.size);
+ array.ref = fd.IsReferenced();
+ arrays.push_back(array);
+ char *iter = reinterpret_cast<char *>(array.data);
if (i->second->GetLiteral().GetType() == Literal::ARRAY_PROPS) {
const vector<PropertyList *> &list(i->second->GetLiteral().GetPropertyLists());
- for (vector<PropertyList *>::const_iterator j(list.begin()), end(list.end()); j != end; ++j, iter += fieldType.Size()) {
- fieldType.Construct(iter);
- ReadObject(fieldType.TypeId(), -1, iter, **j);
+ for (vector<PropertyList *>::const_iterator
+ j(list.begin()), end(list.end());
+ j != end; ++j, iter += memberSize) {
+ char *member;
+ if (fd.IsReferenced()) {
+ member = alloc.Alloc(fieldType.Size());
+ *reinterpret_cast<char **>(iter) = member;
+ } else {
+ member = iter;
+ }
+ fieldType.Construct(member);
+ ReadObject(fieldType.TypeId(), -1, member, **j);
}
- } else {
+ } else if (i->second->GetLiteral().GetType() == Literal::ARRAY_VALUES) {
const vector<Value *> &list(i->second->GetLiteral().GetValues());
- for (vector<Value *>::const_iterator j(list.begin()), end(list.end()); j != end; ++j, iter += fieldType.Size()) {
- fieldType.Construct(iter);
- ReadLiteral(fieldType.TypeId(), -1, iter, (*j)->GetLiteral());
+ for (vector<Value *>::const_iterator j(list.begin()), end(list.end());
+ j != end; ++j, iter += memberSize) {
+ char *member;
+ if (fd.IsReferenced()) {
+ member = alloc.Alloc(fieldType.Size());
+ *reinterpret_cast<char **>(iter) = member;
+ } else {
+ member = iter;
+ }
+ fieldType.Construct(member);
+ ReadLiteral(fieldType.TypeId(), -1, member, (*j)->GetLiteral());
}
- }
- if (fd.IsReferenced()) {
- std::memcpy(dest, &aggregate, sizeof(char *));
- dest += sizeof(char *);
- std::memcpy(dest, &arraySize, sizeof(int));
} else {
- throw Error("aggregate type fields must be referenced");
+ if (!fd.IsReferenced()) {
+ // TODO: implement inline identifier arrays
+ throw std::runtime_error("inline identifier arrays not implemented (yet)");
+ }
+ const vector<string> &list(i->second->GetLiteral().GetIdentifiers());
+ for (vector<string>::const_iterator j(list.begin()), end(list.end());
+ j != end; ++j, iter += memberSize) {
+ if (source.IsDefined(*j)) {
+ *reinterpret_cast<void **>(iter)
+ = GetObject(fd.TypeId(), *j);
+ } else {
+ Postpone(reinterpret_cast<char *>(array.data),
+ iter, *j, fd.TypeId(), false);
+ }
+ }
}
+ std::memcpy(dest, &array.data, sizeof(char *));
+ dest += sizeof(char *);
+ std::memcpy(dest, &arraySize, sizeof(int));
} else if (i->second->IsLiteral() && !fd.IsReferenced()) {
// inline literals
if (i->second->GetLiteral().IsObject()) {
}
}
} else {
- Postpone(typeId, id, fd.Offset(), i->second->GetIdentifier(), fd.TypeId(), !fd.IsReferenced());
+ Postpone(object, object + fd.Offset(), i->second->GetIdentifier(), fd.TypeId(), !fd.IsReferenced(), fd.IsAggregate());
}
}
td.Load(object);
}
+void Interpreter::ReadScript(const std::vector<ScriptToken *> &s, Script *script) {
+ std::map<string, int> labels;
+ int size(0);
+ for (vector<ScriptToken *>::const_iterator i(s.begin()), end(s.end()); i != end; ++i) {
+ if ((*i)->GetType() == ScriptToken::LABEL) {
+ if (labels.count((*i)->Label())) {
+ throw Error("duplicate label " + (*i)->Label());
+ } else {
+ labels[(*i)->Label()] = size;
+ }
+ } else if ((*i)->GetType() != ScriptToken::COMMAND) {
+ throw Error("unexpected script token");
+ }
+ size += sizeof(Script::Code);
+ const string &cmd((*i)->CommandName());
+ if (cmd == "move") {
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after move");
+ }
+ const string ®((*i)->RegisterName());
+ if (reg.size() != 2) {
+ throw Error("invalid register name " + reg);
+ }
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after move");
+ }
+ if ((*i)->GetType() != ScriptToken::REGISTER) {
+ switch (reg[0]) {
+ case 'a':
+ size += sizeof(void *);
+ break;
+ case 'i':
+ size += sizeof(int);
+ break;
+ case 'v':
+ size += sizeof(Vector<int>);
+ break;
+ default:
+ throw Error("unknown register " + reg);
+ }
+ }
+ } else if (cmd == "add") {
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after add");
+ }
+ const string ®((*i)->RegisterName());
+ if (reg.size() != 2) {
+ throw Error("invalid register name " + reg);
+ }
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after add");
+ }
+ if ((*i)->GetType() != ScriptToken::REGISTER) {
+ switch (reg[0]) {
+ case 'i':
+ size += sizeof(int);
+ break;
+ case 'v':
+ size += sizeof(Vector<int>);
+ break;
+ default:
+ throw Error("expected register after add " + reg);
+ }
+ }
+ } else if (cmd == "mod") {
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after mod");
+ }
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after mod");
+ }
+ if ((*i)->GetType() != ScriptToken::REGISTER) {
+ size += sizeof(int);
+ }
+ } else if (cmd == "rand") {
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after rand");
+ }
+ } else if (cmd == "cmp") {
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ if ((*i)->GetType() != ScriptToken::REGISTER) {
+ size += sizeof(int);
+ }
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ if ((*i)->GetType() != ScriptToken::REGISTER) {
+ size += sizeof(int);
+ }
+ } else if (cmd == "jmp") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jeq") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jne") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jl") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jle") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jg") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "jge") {
+ size += sizeof(int);
+ ++i;
+ if (i == end) {
+ throw Error("unexpected script end after cmp");
+ }
+ } else if (cmd == "sysc") {
+
+ } else {
+ throw Error("unknown command " + cmd);
+ }
+ }
+
+ char *text(alloc.Alloc(size));
+ int cursor(0);
+ for (vector<ScriptToken *>::const_iterator i(s.begin()), end(s.end()); i != end; ++i) {
+ if ((*i)->GetType() == ScriptToken::LABEL) {
+ continue;
+ }
+ if ((*i)->GetType() != ScriptToken::COMMAND) {
+ throw Error("unexpected script token");
+ }
+ const string &cmd((*i)->CommandName());
+ if (cmd == "move") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_MOVE, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 2;
+ ++i;
+ const string ®((*i)->RegisterName());
+ switch (reg[0]) {
+ case 'a':
+ code.type = Script::TYPE_ADDRESS;
+ break;
+ case 'i':
+ code.type = Script::TYPE_INTEGER;
+ break;
+ case 'v':
+ code.type = Script::TYPE_VECTOR;
+ break;
+ default:
+ throw Error("invalid register " + reg);
+ }
+ int regnum(reg[1] - '0');
+ if (regnum < 0 || regnum > 6) {
+ throw Error("invalid register " + reg);
+ }
+ code.reg1 = regnum;
+ ++i;
+
+ if ((*i)->GetType() == ScriptToken::REGISTER) {
+ string reg2((*i)->RegisterName());
+ if (reg[0] != reg2[0]) {
+ throw Error("mixed-type commands not allowed");
+ }
+ int reg2num(reg[1] - '0');
+ if (reg2num < 0 || reg2num > 6) {
+ throw Error("invalid register " + reg2);
+ }
+ code.reg2 = reg2num;
+ } else {
+ code.reg2 = 7;
+ switch (code.type) {
+ case Script::TYPE_ADDRESS:
+ ReadScriptAddress(**i, text + cursor);
+ cursor += sizeof(void *);
+ break;
+ case Script::TYPE_INTEGER:
+ ReadScriptInteger(**i, text + cursor);
+ cursor += sizeof(int);
+ break;
+ case Script::TYPE_VECTOR:
+ ReadScriptVector(**i, text + cursor);
+ cursor += sizeof(Vector<int>);
+ break;
+ }
+ }
+ } else if (cmd == "add") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_ADD, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 2;
+ ++i;
+ const string ®((*i)->RegisterName());
+ switch (reg[0]) {
+ case 'i':
+ code.type = Script::TYPE_INTEGER;
+ break;
+ case 'v':
+ code.type = Script::TYPE_VECTOR;
+ break;
+ default:
+ throw Error("invalid register " + reg);
+ }
+ int regnum(reg[1] - '0');
+ if (regnum < 0 || regnum > 6) {
+ throw Error("invalid register " + reg);
+ }
+ code.reg1 = regnum;
+ ++i;
+
+ if ((*i)->GetType() == ScriptToken::REGISTER) {
+ string reg2((*i)->RegisterName());
+ if (reg[0] != reg2[0]) {
+ throw Error("mixed-type commands not allowed");
+ }
+ int reg2num(reg[1] - '0');
+ if (reg2num < 0 || reg2num > 6) {
+ throw Error("invalid register name " + reg2);
+ }
+ code.reg2 = reg2num;
+ } else {
+ code.reg2 = 7;
+ switch (code.type) {
+ case Script::TYPE_INTEGER:
+ ReadScriptInteger(**i, text + cursor);
+ cursor += sizeof(int);
+ break;
+ case Script::TYPE_VECTOR:
+ ReadScriptVector(**i, text + cursor);
+ cursor += sizeof(Vector<int>);
+ break;
+ }
+ }
+ } else if (cmd == "mod") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_MOD, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 2;
+ ++i;
+ const string ®((*i)->RegisterName());
+ if (reg[0] != 'i') {
+ throw Error("invalid register " + reg);
+ }
+ code.type = Script::TYPE_INTEGER;
+ int regnum(reg[1] - '0');
+ if (regnum < 0 || regnum > 6) {
+ throw Error("invalid register " + reg);
+ }
+ code.reg1 = regnum;
+ ++i;
+
+ if ((*i)->GetType() == ScriptToken::REGISTER) {
+ string reg2((*i)->RegisterName());
+ if (reg[0] != reg2[0]) {
+ throw Error("mixed-type commands not allowed");
+ }
+ int reg2num(reg[1] - '0');
+ if (reg2num < 0 || reg2num > 6) {
+ throw Error("invalid register name " + reg2);
+ }
+ code.reg2 = reg2num;
+ } else {
+ code.reg2 = 7;
+ ReadScriptInteger(**i, text + cursor);
+ cursor += sizeof(int);
+ }
+ } else if (cmd == "rand") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_RAND, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ const string ®((*i)->RegisterName());
+ if (reg[0] != 'i') {
+ throw Error("invalid register " + reg);
+ }
+ code.type = Script::TYPE_INTEGER;
+ int regnum(reg[1] - '0');
+ if (regnum < 0 || regnum > 6) {
+ throw Error("invalid register " + reg);
+ }
+ code.reg1 = regnum;
+ } else if (cmd == "cmp") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_CMP, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 2;
+ ++i;
+ const string ®((*i)->RegisterName());
+ if (reg[0] != 'i') {
+ throw Error("invalid register " + reg);
+ }
+ code.type = Script::TYPE_INTEGER;
+ int regnum(reg[1] - '0');
+ if (regnum < 0 || regnum > 6) {
+ throw Error("invalid register " + reg);
+ }
+ code.reg1 = regnum;
+ ++i;
+
+ if ((*i)->GetType() == ScriptToken::REGISTER) {
+ string reg2((*i)->RegisterName());
+ if (reg[0] != reg2[0]) {
+ throw Error("mixed-type commands not allowed");
+ }
+ int reg2num(reg[1] - '0');
+ if (reg2num < 0 || reg2num > 6) {
+ throw Error("invalid register name " + reg2);
+ }
+ code.reg2 = reg2num;
+ } else {
+ code.reg2 = 7;
+ ReadScriptInteger(**i, text + cursor);
+ cursor += sizeof(int);
+ }
+ } else if (cmd == "jmp") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JMP, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jeq") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JEQ, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jne") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JNE, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jl") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JL, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jle") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JLE, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jg") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JG, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "jge") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_JGE, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 1;
+ ++i;
+ if (!labels.count((*i)->Identifier())) {
+ throw Error("use of undefined label " + (*i)->Identifier());
+ }
+ *reinterpret_cast<int *>(text + cursor) = labels[(*i)->Identifier()];
+ cursor += sizeof(int);
+ } else if (cmd == "sysc") {
+ Script::Code &code(CreateScriptCode(Script::COMMAND_SYSC, text + cursor));
+ cursor += sizeof(Script::Code);
+ code.numParams = 0;
+ } else {
+ throw Error("unknown command " + cmd);
+ }
+ }
+
+ script->text = text;
+ script->textlen = size;
+}
+
+char *Interpreter::ReadScript(const vector<ScriptToken *> &s) {
+ char *mem(alloc.Alloc(sizeof(Script)));
+ new (mem) Script;
+ Script *script(reinterpret_cast<Script *>(mem));
+ ReadScript(s, script);
+ return mem;
+}
+
+Script::Code &Interpreter::CreateScriptCode(Script::Command c, char *dest) {
+ Script::Code &code(*reinterpret_cast<Script::Code *>(dest));
+ code.command = c;
+ code.numParams = 0;
+ code.type = Script::TYPE_NONE;
+ code.reg1 = 7;
+ code.reg2 = 7;
+ return code;
+}
+
+void Interpreter::ReadScriptAddress(const ScriptToken &t, char *dest) {
+ if (t.GetType() != ScriptToken::IDENTIFIER) {
+ throw Error("expected identifier for address");
+ }
+ if (source.IsDefined(t.Identifier())) {
+ const ParsedDefinition &def(GetDefinition(t.Identifier()));
+ void *addr(GetObject(def.type, t.Identifier()));
+ *reinterpret_cast<void **>(dest) = addr;
+ } else {
+ throw Error("postponing values in scripts not implemented");
+ }
+}
+
+void Interpreter::ReadScriptInteger(const ScriptToken &t, char *dest) {
+ if (t.GetType() == ScriptToken::IDENTIFIER) {
+ if (source.IsDefined(t.Identifier())) {
+ void *num(GetObject(TypeDescription::GetTypeId("Number"), t.Identifier()));
+ *reinterpret_cast<int *>(dest) = *reinterpret_cast<int *>(num);
+ } else {
+ throw Error("postponing values in scripts not implemented");
+ }
+ } else if (t.GetType() == ScriptToken::LITERAL) {
+ *reinterpret_cast<int *>(dest) = t.GetLiteral()->GetNumber();
+ } else {
+ throw Error("expected identifier or integer literal");
+ }
+}
+
+void Interpreter::ReadScriptVector(const ScriptToken &t, char *dest) {
+ if (t.GetType() == ScriptToken::IDENTIFIER) {
+ if (source.IsDefined(t.Identifier())) {
+ void *vec(GetObject(TypeDescription::GetTypeId("Vector"), t.Identifier()));
+ *reinterpret_cast<Vector<int> *>(dest) = *reinterpret_cast<Vector<int> *>(vec);
+ } else {
+ throw Error("postponing values in scripts not implemented");
+ }
+ } else if (t.GetType() == ScriptToken::LITERAL) {
+ *reinterpret_cast<Vector<int> *>(dest) = Vector<int>(t.GetLiteral()->GetX(), t.GetLiteral()->GetY());
+ } else {
+ throw Error("expected identifier or vector literal");
+ }
+}
+
+
SDL_Surface *Interpreter::GetImage(const string &path) {
std::map<string, SDL_Surface *>::const_iterator result(imageCache.find(path));
if (result != imageCache.end()) {
return v.IsLiteral() || source.IsDefined(v.GetIdentifier());
}
-void Interpreter::Postpone(int type, int id, std::ptrdiff_t offset, const std::string &identifier, int linkedType, bool inlined) {
- char *str(alloc.Alloc(identifier.size() + 1));
- std::memcpy(str, identifier.c_str(), identifier.size());
- str[identifier.size()] = '\0';
- postponedDefinitions.push_back(PostponedDefinition(type, id, offset, str, linkedType, inlined));
+void Interpreter::Postpone(
+ char *object,
+ char *dest,
+ const std::string &identifier,
+ int type,
+ bool inlined,
+ bool aggregate) {
+ postponedDefinitions.push_back(
+ PostponedDefinition(object, dest, identifier, type, inlined, aggregate));
}
void Interpreter::CreateTypeDescriptions() {
{
- TypeDescription &td(TypeDescription::CreateOrGet("Boolean"));
+ TypeDescription &td(TypeDescription::Create(BOOLEAN_ID, "Boolean"));
td.SetDescription("Logical value which can be either true or false.");
td.SetSize(sizeof(bool));
}
{
- TypeDescription &td(TypeDescription::CreateOrGet("Color"));
+ TypeDescription &td(TypeDescription::Create(COLOR_ID, "Color"));
td.SetDescription(
"A color in RGB format with an optional alpha channel.\n"
"Components range from 0 to 255.\n"
td.SetSize(sizeof(Color));
}
{
- TypeDescription &td(TypeDescription::CreateOrGet("Image"));
+ TypeDescription &td(TypeDescription::Create(IMAGE_ID, "Image"));
td.SetDescription("Path to a PNG file with image data.");
td.SetSize(sizeof(SDL_Surface));
}
{
- TypeDescription &td(TypeDescription::CreateOrGet("Number"));
+ TypeDescription &td(TypeDescription::Create(NUMBER_ID, "Number"));
td.SetDescription("A signed integer.");
td.SetSize(sizeof(int));
}
- {
- int stringId(TypeDescription::GetTypeId("String"));
- TypeDescription &td(TypeDescription::CreateOrGet("Path"));
+ {;
+ TypeDescription &td(TypeDescription::Create(PATH_ID, "Path"));
td.SetDescription("A path in the filesystem which is interpreted relative to the source file's location.");
td.SetSize(1);
- td.AddSupertype(stringId, 0);
+ td.AddSupertype(STRING_ID, 0);
+ }
+ {
+ TypeDescription &td(TypeDescription::Create(SCRIPT_ID, "Script"));
+ td.SetDescription("Collection of commands that define a behaviour.");
+ td.SetSize(sizeof(Script));
}
{
- TypeDescription &td(TypeDescription::CreateOrGet("String"));
+ TypeDescription &td(TypeDescription::Create(STRING_ID, "String"));
td.SetDescription("Some characters.");
td.SetSize(1);
}
{
- TypeDescription &td(TypeDescription::CreateOrGet("Vector"));
+ TypeDescription &td(TypeDescription::Create(VECTOR_ID, "Vector"));
td.SetDescription("A pair of numbers usually describing a 2D translation or offset.");
td.SetSize(sizeof(Vector<int>));
}
projects / l2e.git / blobdiff