hp/Yab2Cpp
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removed most of the shared_ptr usage and retooled temporary variables to recycle

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This commit is contained in:
Samuel D. Crow
2021-03-28 22:35:35 -05:00
parent fd89b1a054
commit bb2be9c16c
7 changed files with 452 additions and 291 deletions
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83
yab2cpp.cpp
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@@ -7,10 +7,11 @@
**
*/
#include "yab2cpp.h"
#include <cassert>
unordered_map<string, shared_ptr<variableType> >globals;
unordered_map<string, shared_ptr<variableType> >locals;
unordered_map<string, shared_ptr<variableType> >statics;
unordered_map<string, unique_ptr<variableType> >globals;
unordered_map<string, unique_ptr<variableType> >locals;
unordered_map<string, unique_ptr<variableType> >statics;
/* These correspond to the enum COMPILE_ERRORS. */
const char *COMPILE_ERROR_NAMES[]={
@@ -25,7 +26,8 @@ const char *COMPILE_ERROR_NAMES[]={
"value returned from gosub call",
"undefined subroutine name",
"too many parameters in function call",
"value cannot be assigned"
"value cannot be assigned",
"undimensioned array or undeclared function"
};
/* These correspond to the types of enum TYPES. */
@@ -92,7 +94,6 @@ void shutDown();
/* process command line parameters */
int main(int argc, char *argv[])
{
atexit(shutDown);
switch (argc)
{
case 1:
@@ -150,6 +151,7 @@ int main(int argc, char *argv[])
helpText(argv[0]);
break;
}
cout << "program exiting" <<endl;
return 0;
}
@@ -177,15 +179,26 @@ void setUp()
funcs_h.open("output/functions.h");
consts_h.open("output/consts.h");
heap_h.open("output/heap.h");
output_cpp << "#include <runtime.h>\n#include \"consts.h\"\n"
output_cpp << "#include \"../runtime/runtime.h\"\n#include \"consts.h\"\n"
<< "#include \"heap.h\"\n#include \"functions.h\"\n"
<< "int main(int argc, char *argv[])\n{\n"
<< "unsigned int state=start;\nint run(){\nwhile (state>=start){\n"
<< "switch(state){\ncase start:" << endl;
if (DUMP)
{
varNames.open("varnames.txt");
}
<< "unsigned int state=START;\nunsigned int run(){\n"
<< "while (state>=START){\n"
<< "switch(state){\ncase START:" << endl;
}
else
{
output_cpp.open("/dev/null");
funcs_h.open("/dev/null");
consts_h.open("/dev/null");
heap_h.open("/dev/null");
}
if (DUMP)
{
varNames.open("varnames.log");
}
else
{
varNames.open("/dev/null");
}
if (DEBUG)
{
@@ -193,11 +206,16 @@ void setUp()
logfile.open("parse.log");
logger("Setup complete.");
}
else
{
logfile.open("/dev/null");
}
}
[[noreturn]] void error(enum COMPILE_ERRORS e)
{
errorLevel=e;
shutDown();
exit(1);
}
@@ -218,27 +236,41 @@ void logger(string s)
if (DEBUG)
{
indent();
logfile << s << endl;
logfile << s << "\n";
}
}
/* shutdown the compiler and exit */
void shutDown()
{
if (errorLevel != E_OK) cerr << "\nERROR: " << COMPILE_ERROR_NAMES[errorLevel] << "\n\n" << endl;
if (errorLevel != E_OK) cerr << "\nERROR: "
<< COMPILE_ERROR_NAMES[errorLevel] << "\n\n" << endl;
logger("Purging tempVar queues");
tempVar::eraseQueues();
logger("Dumping stack.");
if (DUMP && (logfile))
if (DUMP && (logfile)) fn::dumpCallStack();
if (DUMP)
{
fn::dumpCallStack();
}
varNames << "Global Variables\n";
for(auto iter=globals.begin(); iter!=globals.end(); ++iter)
{
varNames << "variable " << iter->first << " has ID " << iter->second << "\n";
}
varNames << endl;
varNames << "Global Variables\n";
for(auto iter=globals.begin(); iter!=globals.end(); ++iter)
{
varNames << "variable " << iter->first
<< " has ID " << iter->second->getID() << "\n";
}
varNames << endl;
label::dumpLabels();
output_cpp << "}\n}return state;\n}"<< endl;
}
if (COMPILE)
{
output_cpp << "default:\nstate=UNDEFINED_STATE_ERROR;\n"
<< "break;\n}\n}\nreturn state;\n}"<< endl;
funcs_h.flush();
consts_h.flush();
heap_h.flush();
}
globals.clear();
locals.clear();
statics.clear();
}
/* open files and compile */
@@ -250,4 +282,3 @@ void compile()
shutDown();
}