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Allow ..= alongside .. as a "full range" operator; Update core:odin/parser etc

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gingerBill
2021-05-16 12:34:35 +01:00
parent 24c89b3eee
commit ce08e832f7
9 changed files with 89 additions and 19 deletions
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6
src/llvm_backend.cpp
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@@ -4041,6 +4041,7 @@ void lb_build_range_interval(lbProcedure *p, AstBinaryExpr *node,
TokenKind op = Token_Lt;
switch (node->op.kind) {
case Token_Ellipsis: op = Token_LtEq; break;
case Token_RangeFull: op = Token_LtEq; break;
case Token_RangeHalf: op = Token_Lt; break;
default: GB_PANIC("Invalid interval operator"); break;
}
@@ -4454,7 +4455,7 @@ void lb_build_inline_range_stmt(lbProcedure *p, AstUnrollRangeStmt *rs, Scope *s
ExactValue start = start_expr->tav.value;
ExactValue end = end_expr->tav.value;
if (op == Token_Ellipsis) { // .. [start, end]
if (op != Token_RangeHalf) { // .. [start, end] (or ..=)
ExactValue index = exact_value_i64(0);
for (ExactValue val = start;
compare_exact_values(Token_LtEq, val, end);
@@ -4465,7 +4466,7 @@ void lb_build_inline_range_stmt(lbProcedure *p, AstUnrollRangeStmt *rs, Scope *s
lb_build_stmt(p, rs->body);
}
} else if (op == Token_RangeHalf) { // ..< [start, end)
} else { // ..< [start, end)
ExactValue index = exact_value_i64(0);
for (ExactValue val = start;
compare_exact_values(Token_Lt, val, end);
@@ -4632,6 +4633,7 @@ void lb_build_switch_stmt(lbProcedure *p, AstSwitchStmt *ss, Scope *scope) {
TokenKind op = Token_Invalid;
switch (ie->op.kind) {
case Token_Ellipsis: op = Token_LtEq; break;
case Token_RangeFull: op = Token_LtEq; break;
case Token_RangeHalf: op = Token_Lt; break;
default: GB_PANIC("Invalid interval operator"); break;
}