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emit/__emit: Allow direct use of opcode 'casetbl'

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Daniel_Cortez 2017-11-19 02:41:34 +07:00
parent b52e32d1bc
commit 40bf47c6b5
1 changed files with 7 additions and 9 deletions
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16
source/compiler/sc1.c
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@ -6224,23 +6224,19 @@ static void OPHANDLER_CALL emit_parm5_local(char *name)
outinstr(name,p,(sizeof p / sizeof p[0])); outinstr(name,p,(sizeof p / sizeof p[0]));
} }
static void OPHANDLER_CALL emit_do_switch(char *name) static void OPHANDLER_CALL emit_do_casetbl(char *name)
{ {
ucell p[2]; ucell p[2];
int lbl_table;
(void)name;
emit_param_any(&p[0],1); emit_param_any(&p[0],1);
emit_param_label(&p[1]); emit_param_label(&p[1]);
lbl_table=getlabel();
stgwrite("\tswitch ");
outval((cell)lbl_table,TRUE);
setlabel(lbl_table);
stgwrite("\tcasetbl\n"); stgwrite("\tcasetbl\n");
stgwrite("\tcase "); stgwrite("\tcase ");
outval(p[0],FALSE); outval(p[0],FALSE);
stgwrite(" "); stgwrite(" ");
outval(p[1],TRUE); outval(p[1],TRUE);
code_idx+=opcodes(2)+opargs(3); code_idx+=opcodes(1)+opargs(2);
} }
static void OPHANDLER_CALL emit_do_case(char *name) static void OPHANDLER_CALL emit_do_case(char *name)
@ -6331,7 +6327,7 @@ static EMIT_OPCODE emit_opcodelist[] = {
{ 49, "call", emit_do_call }, { 49, "call", emit_do_call },
{ 50, "call.pri", emit_parm0 }, { 50, "call.pri", emit_parm0 },
{ 0, "case", emit_do_case }, { 0, "case", emit_do_case },
/*{130, "casetbl", emit_parm0 }, */ {130, "casetbl", emit_do_casetbl },
{118, "cmps", emit_parm1_any }, {118, "cmps", emit_parm1_any },
{156, "const", emit_parm2_data_any }, {156, "const", emit_parm2_data_any },
{ 12, "const.alt", emit_parm1_any }, { 12, "const.alt", emit_parm1_any },
@ -6462,7 +6458,7 @@ static EMIT_OPCODE emit_opcodelist[] = {
{ 80, "sub.alt", emit_parm0 }, { 80, "sub.alt", emit_parm0 },
{132, "swap.alt", emit_parm0 }, {132, "swap.alt", emit_parm0 },
{131, "swap.pri", emit_parm0 }, {131, "swap.pri", emit_parm0 },
{129, "switch", emit_do_switch }, {129, "switch", emit_parm1_label },
/*{126, "symbol", do_symbol }, */ /*{126, "symbol", do_symbol }, */
/*{136, "symtag", emit_parm1_any }, */ /*{136, "symtag", emit_parm1_any }, */
{123, "sysreq.c", emit_parm1_any }, {123, "sysreq.c", emit_parm1_any },
@ -6539,6 +6535,8 @@ SC_FUNC void emit_parse_line(void)
} else if (tok==tLABEL) { } else if (tok==tLABEL) {
if (!emit_block_parsing) if (!emit_block_parsing)
error(38); /* extra characters on line */ error(38); /* extra characters on line */
if (find_constval(&tagname_tab,st,0)!=NULL)
error(221,st); /* label name shadows tagname */
sym=fetchlab(st); sym=fetchlab(st);
setlabel((int)sym->addr); setlabel((int)sym->addr);
sym->usage|=uDEFINE; sym->usage|=uDEFINE;