mercenary/mirc/src/parser.cpp
Correl Roush 3dac90e658 Variables, GO!
Also, broke up the parser a bit to ease compilation


git-svn-id: file:///srv/svn/ircclient/trunk@3 a9804ffe-773b-11dd-bd7c-89c3ef1d2733
2008-08-31 17:00:39 +00:00

90 lines
2.5 KiB
C++

#include "parser.h"
#include "mirc.h"
mirc_script_engine::mirc_script_engine(MIRCScriptManager *m) : script() {
manager = m;
stage = PARSE;
current_alias = aliases.end();
current_variable = vars.end();
}
void mirc_script_engine::handle_alias_definition(char const* str, char const* end) {
if (stage != PARSE) return;
string s(str, end);
aliases.insert(s.c_str(), mirc_alias(true));
current_alias = aliases.find(s.c_str());
}
void mirc_script_engine::handle_alias_definition_local(char const* str, char const* end) {
if (stage != PARSE) return;
string s(str, end);
aliases.insert(s.c_str(), mirc_alias(false));
current_alias = aliases.find(s.c_str());
}
void mirc_script_engine::close_alias(char const*, char const*) {
if (stage != PARSE) return;
if (!aliases.empty() && current_alias != aliases.end()) {
current_alias = aliases.end();
}
}
void mirc_script_engine::store_code(char const* str, char const* end) {
if (stage != PARSE) return;
string s(str, end);
if (!aliases.empty() && current_alias != aliases.end()) {
current_alias->code.append(s.c_str()).append("\n");
} else {
script.code.append(s.c_str()).append("\n");
}
}
void mirc_script_engine::call_alias(char const*, char const*) {
if (stage != EXECUTE) return;
}
void mirc_script_engine::return_alias(char const*, char const*) {
}
void mirc_script_engine::declare_variable(char const* str, char const* end) {
if (stage != EXECUTE) return;
string s(str, end);
vars.insert(s.c_str(), "");
current_variable = vars.find(s.c_str());
stack.push(QStringList());
}
void mirc_script_engine::assign_variable(char const* str, char const* end) {
if (stage != EXECUTE) return;
if (current_variable != vars.end()) {
string s(str, end);
*current_variable = (!stack.isEmpty() ? stack.pop().join(" ") : "");
manager->variable(current_variable.key(), current_variable.value());
current_variable = vars.end();
}
}
void mirc_script_engine::fetch_variable(char const*, char const*) {
if (stage != EXECUTE) return;
if (!stack.isEmpty()) {
QStringList values = stack.pop();
if (!values.isEmpty()) {
QString var = values.last();
values.removeLast();
values << (manager->hasVariable(var) ? manager->variable(var) : vars[var]);
}
stack.push(values);
}
}
void mirc_script_engine::append_expression(char const* str, char const *end) {
if (stage != EXECUTE) return;
string s(str, end);
QStringList list;
if (stack.isEmpty()) {
list << s.c_str();
} else {
list = stack.pop();
list << s.c_str();
}
stack.push(list);
}