121 lines
2.4 KiB
C
121 lines
2.4 KiB
C
/* $Header$ */
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/* makecalls: expand a datastructure as delivered by "EM_getline"
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into calls to the procedural interface.
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Exported routine:
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C_out
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*/
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#define CODE_EXPANDER
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#define EXPORT
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#define PRIVATE static
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#include <em_spec.h>
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#include <em_mnem.h>
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#include <em_pseu.h>
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#include <em_flag.h>
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#include "em_ptyp.h"
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#include <em.h>
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#include <em_comp.h>
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#include <assert.h>
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extern char em_flag[]; /* One per EM instruction: indicates parameter kind */
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extern short em_ptyp[]; /* One per parameter kind: indicates parameter type */
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static char *C_error;
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EXPORT int
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C_out(p)
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register struct e_instr *p;
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{
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C_error = 0;
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switch(p->em_type) {
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default:
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C_error = "Illegal EM line";
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break;
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case EM_MNEM:
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/* normal instruction */
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{
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register int parametertype; /* parametertype of the instruction */
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parametertype = em_flag[p->em_opcode-sp_fmnem] & EM_PAR;
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switch(parametertype) {
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default:
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break;
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case PAR_W:
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if (p->em_argtype != 0) {
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}
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else {
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#include "C_mnem_narg"
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}
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break;
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}
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#include "C_mnem"
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}
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break;
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case EM_DEFILB:
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/* defining occurrence of an instruction label */
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C_df_ilb(p->em_ilb);
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break;
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#ifdef ____
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case EM_DEFDLB:
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/* defining occurrence of a global data label */
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C_df_dlb(p->em_dlb);
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break;
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case EM_DEFDNAM:
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/* defining occurrence of a non-numeric data label */
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C_df_dnam(p->em_dnam);
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break;
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case EM_PSEU:
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/* pseudo */
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EM_dopseudo(p);
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break;
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#endif
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case EM_STARTMES:
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/* start of a MES pseudo */
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C_mes_begin((int) (p->em_cst));
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break;
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case EM_MESARG:
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switch(p->em_argtype) {
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case ilb_ptyp:
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C_ilb(p->em_ilb);
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break;
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case nof_ptyp:
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C_dlb(p->em_dlb, p->em_off);
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break;
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case sof_ptyp:
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C_dnam(p->em_dnam, p->em_off);
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break;
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case cst_ptyp:
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C_cst(p->em_cst);
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break;
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case pro_ptyp:
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C_pnam(p->em_pnam);
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break;
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case str_ptyp:
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C_scon(p->em_string, p->em_size);
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break;
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case ico_ptyp:
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C_icon(p->em_string, p->em_size);
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break;
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case uco_ptyp:
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C_ucon(p->em_string, p->em_size);
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break;
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case fco_ptyp:
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C_fcon(p->em_string, p->em_size);
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break;
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default:
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C_error = "Illegal argument type";
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break;
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}
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break;
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case EM_ENDMES:
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C_mes_end();
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break;
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}
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if (C_error) return 0;
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return 1;
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}
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