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-= operator

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This commit is contained in:
Wolfgang (Blub) Bumiller 2012-08-14 17:44:14 +02:00
parent 3ef6da8e5b
commit 8dd7943768
1 changed files with 10 additions and 5 deletions
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15
parser.c
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@ -612,14 +612,15 @@ static bool parser_sy_pop(parser_t *parser, shunt *sy)
out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
break;
case opid2('+','='):
case opid2('-','='):
if (exprs[0]->expression.vtype != exprs[1]->expression.vtype) {
parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
type_name[exprs[0]->expression.vtype],
type_name[exprs[1]->expression.vtype]);
return false;
}
if (exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) {
parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
type_name[exprs[0]->expression.vtype],
type_name[exprs[1]->expression.vtype]);
return false;
@ -630,13 +631,17 @@ static bool parser_sy_pop(parser_t *parser, shunt *sy)
assignop = type_store_instr[exprs[0]->expression.vtype];
switch (exprs[0]->expression.vtype) {
case TYPE_FLOAT:
out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_ADD_F, exprs[0], exprs[1]);
out = (ast_expression*)ast_binstore_new(ctx, assignop,
(op->id == opid2('+','=') ? INSTR_ADD_F : INSTR_SUB_F),
exprs[0], exprs[1]);
break;
case TYPE_VECTOR:
out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_ADD_V, exprs[0], exprs[1]);
out = (ast_expression*)ast_binstore_new(ctx, assignop,
(op->id == opid2('+','=') ? INSTR_ADD_V : INSTR_SUB_V),
exprs[0], exprs[1]);
break;
default:
parseerror(parser, "invalid types used in expression: cannot add type %s and %s",
parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
type_name[exprs[0]->expression.vtype],
type_name[exprs[1]->expression.vtype]);
return false;