103 lines
2.2 KiB
C
103 lines
2.2 KiB
C
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#include "threads.h"
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void* parseunit(void* input) {
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COMPILEUNIT* unit = (COMPILEUNIT*)input;
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unit->parsed = parse(unit->parser);
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pthread_exit(NULL);
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}
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void* compileunit(void* input) {
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COMPILEUNIT* unit = (COMPILEUNIT*)input;
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unit->compiled = compileclass(unit->compiler, unit->parsed);
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pthread_exit(NULL);
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}
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char* getclassname(char* filename) {
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int count = 0;
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int len = strlen(filename);
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for(int i = len-1; i >= 0; i--)
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if(filename[i] == '.') {
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count = i;
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break;
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}
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int sz = sizeof(char) * (len - count);
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char* classname = (char*)malloc(sz);
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snprintf(classname, sz, "%s", filename); // legitimately needs to be snprintf
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return classname;
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}
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void* vmtranslateunit(void* input) {
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COMPILEUNIT* unit = (COMPILEUNIT*)input;
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if(unit->compiled == NULL) {
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eprintf("Class '%s' is empty; file '%s'\n", unit->parsed->name, unit->file->name);
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exit(1);
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}
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char* classname = getclassname(unit->file->name);
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unit->vmtranslator = mkvmtranslator(classname, unit->compiled);
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unit->asmlns = translatevm(unit->vmtranslator);
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free(classname);
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pthread_exit(NULL);
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}
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void waitthreads(pthread_t* threads, int amount) {
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void* status;
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int code;
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for(int i = 0; i < amount; i++) {
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code = pthread_join(threads[i], &status);
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if(code) {
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eprintf("Error while joining thread %i: %s\n", i, strerror(code));
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exit(code);
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}
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}
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}
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void actonunits(COMPILEUNIT* units, void*(*fun)(void*)) {
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pthread_t mythreads[_SC_THREAD_THREADS_MAX];
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
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COMPILEUNIT* curr = units;
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int i;
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int code;
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do {
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i = 0;
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while(curr != NULL && i < _SC_THREAD_THREADS_MAX) {
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code = pthread_create(&mythreads[i], &attr, fun, curr);
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if(code) {
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eprintf("Error while creating thread %i: %s\n", i, strerror(code));
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exit(code);
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}
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curr = curr->next;
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i++;
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}
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waitthreads(mythreads, i);
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} while(i == _SC_THREAD_THREADS_MAX);
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pthread_attr_destroy(&attr);
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}
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void freeunit(COMPILEUNIT* u) {
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freeparser(u->parser);
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freelnblk(u->compiled);
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freestrlist(u->asmlns);
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freevmtranslator(u->vmtranslator);
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free(u);
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}
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