c079e97492
inasmuch as it looks better before register allocation. Basic blocks now know their own successors and predecessors (after a certain point in the IR processing).
64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
#include "mcg.h"
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bool tracing(char k)
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{
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switch (k)
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{
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case 0: return true;
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case 'S': return true;
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case 'E': return false;
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case 'G': return true;
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case '0': return false;
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case '1': return false;
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case '2': return false;
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case '3': return false;
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case '4': return false;
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case '5': return false;
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case 'I': return true;
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default: return true;
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}
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}
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void tracef(char k, const char* fmt, ...)
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{
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va_list ap;
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if (tracing(k))
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{
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va_start(ap, fmt);
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vprintf(fmt, ap);
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va_end(ap);
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}
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}
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static bool find_procedures_cb(struct symbol* symbol, void* user)
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{
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if (symbol->proc)
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procedure_compile(symbol->proc);
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return false;
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}
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int main(int argc, char* argv[])
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{
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symbol_init();
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if (!EM_open(argv[1]))
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fatal("Couldn't open input file: %s", EM_error);
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/* Reads in the EM, outputs the data sections, parses any code and
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* generates IR trees. */
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parse_em();
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/* For every procedure, go ahead and do the compilation proper. We do this
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* now so that we know that all the data has been read correctly and our
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* symbol table is complete (we may need to refer to it). */
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symbol_walk(find_procedures_cb, NULL);
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EM_close();
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return 0;
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}
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/* vim: set sw=4 ts=4 expandtab : */
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