80 lines
1.4 KiB
C
80 lines
1.4 KiB
C
#include "debug.h"
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#include <em.h>
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#include <assert.h>
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#include "LLlex.h"
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#include "def.h"
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#include "main.h"
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#include "scope.h"
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#include "type.h"
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static int extflc; /* number of external files */
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static int inpflag = 0; /* input mentioned in heading ? */
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static int outpflag = 0; /* output mentioned in heading ? */
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static label extfl_label; /* label of array of file pointers */
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set_inp()
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{
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inpflag = 1;
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}
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set_outp()
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{
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outpflag = 1;
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}
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make_extfl()
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{
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if( err_occurred ) return;
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extfl_label = ++data_label;
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C_df_dlb(extfl_label);
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if( inpflag ) {
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C_ina_dnam(input);
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C_con_dnam(input, (arith) 0);
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}
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else
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C_con_ucon("0", pointer_size);
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if( outpflag ) {
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C_ina_dnam(output);
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C_con_dnam(output, (arith) 0);
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}
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else
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C_con_ucon("0", pointer_size);
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extflc = 2;
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/* Process the identifiers in the global scope (at this point only
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* the program parameters) in order of specification.
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*/
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make_extfl_args( GlobalScope->sc_def );
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}
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make_extfl_args(df)
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register struct def *df;
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{
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if( !df ) return;
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make_extfl_args(df->df_nextinscope);
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assert(df->df_flags & D_PROGPAR);
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if( df->var_name != input && df->var_name != output ) {
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C_ina_dnam(df->var_name);
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C_con_dnam(df->var_name, (arith) 0);
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extflc++;
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}
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}
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call_ini()
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{
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C_lxl((arith) 0);
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if( extflc )
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C_lae_dlb(extfl_label, (arith) 0);
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else
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C_zer(pointer_size);
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C_loc((arith) extflc);
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C_lxa((arith) 0);
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C_cal("_ini");
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C_asp(3 * pointer_size + word_size);
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}
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