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Change interval syntax: .. open range, ..< half-closed range

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Ginger Bill
2017-04-20 23:22:45 +01:00
parent c5411a25a9
commit a713e33007
15 changed files with 98 additions and 59 deletions
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src/ir.c
+13 -1
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@@ -4905,6 +4905,17 @@ irAddr ir_build_addr(irProcedure *proc, AstNode *expr) {
if (se->low != NULL) low = ir_build_expr(proc, se->low);
if (se->high != NULL) high = ir_build_expr(proc, se->high);
if (se->max != NULL) max = ir_build_expr(proc, se->max);
if (high != NULL && se->interval0.kind == Token_Ellipsis) {
high = ir_emit_arith(proc, Token_Add, high, v_one, t_int);
}
if (max != NULL && se->interval1.kind == Token_Ellipsis) {
GB_ASSERT(se->interval0.kind == se->interval1.kind);
max = ir_emit_arith(proc, Token_Add, max, v_one, t_int);
}
irValue *addr = ir_build_addr(proc, se->expr).addr;
irValue *base = ir_emit_load(proc, addr);
Type *type = base_type(ir_type(base));
@@ -5553,7 +5564,8 @@ void ir_build_range_interval(irProcedure *proc, AstNodeIntervalExpr *node, Type
TokenKind op = Token_Lt;
switch (node->op.kind) {
case Token_Ellipsis: op = Token_Lt; break;
case Token_Ellipsis: op = Token_LtEq; break;
case Token_HalfClosed: op = Token_Lt; break;
default: GB_PANIC("Invalid interval operator"); break;
}
irValue *cond = ir_emit_comp(proc, op, ir_emit_load(proc, value), upper);