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From: Johnny Richard <johnny@johnnyrichard.com>
To: ~johnnyrichard/olang-devel@lists.sr.ht
Cc: Johnny Richard <johnny@johnnyrichard.com>
Subject: [PATCH olang v1 2/3] lexer: add tilde token support
Date: Wed,  9 Oct 2024 23:18:28 +0200	[thread overview]
Message-ID: <20241009213425.412949-3-johnny@johnnyrichard.com> (raw)
In-Reply-To: <20241009213425.412949-1-johnny@johnnyrichard.com>

The tilde token will be used for parsing bitwise-not unary operator.

Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
---
 src/lexer.c                                  |  6 +++++
 src/lexer.h                                  |  1 +
 tests/olc/0033_unary_operator_bitwise_not.ol | 27 ++++++++++++++++++++
 3 files changed, 34 insertions(+)
 create mode 100644 tests/olc/0033_unary_operator_bitwise_not.ol

diff --git a/src/lexer.c b/src/lexer.c
index 5b4bbaa..9e012bd 100644
--- a/src/lexer.c
+++ b/src/lexer.c
@@ -258,6 +258,11 @@ lexer_next_token(lexer_t *lexer, token_t *token)
                 lexer_skip_char(lexer);
                 return;
             }
+            case '~': {
+                lexer_init_char_value_token(lexer, token, TOKEN_TILDE);
+                lexer_skip_char(lexer);
+                return;
+            }
             case '/': {
                 lexer_init_char_value_token(lexer, token, TOKEN_SLASH);
                 lexer_skip_char(lexer);
@@ -303,6 +308,7 @@ static char *token_kind_str_table[] = {
     [TOKEN_DASH] = "-",
     [TOKEN_STAR] = "*",
     [TOKEN_SLASH] = "/",
+    [TOKEN_TILDE] = "~",
     [TOKEN_EQ] = "=",
     [TOKEN_CMP_EQ] = "==",
     [TOKEN_BANG] = "!",
diff --git a/src/lexer.h b/src/lexer.h
index 8beaea8..774f619 100644
--- a/src/lexer.h
+++ b/src/lexer.h
@@ -81,6 +81,7 @@ typedef enum token_kind
     TOKEN_DASH,
     TOKEN_SLASH,
     TOKEN_STAR,
+    TOKEN_TILDE,
     TOKEN_LF,
     TOKEN_OPAREN,
     TOKEN_CPAREN,
diff --git a/tests/olc/0033_unary_operator_bitwise_not.ol b/tests/olc/0033_unary_operator_bitwise_not.ol
new file mode 100644
index 0000000..1891549
--- /dev/null
+++ b/tests/olc/0033_unary_operator_bitwise_not.ol
@@ -0,0 +1,27 @@
+# Copyright (C) 2024 olang mantainers
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+fn main(): u32 {
+  var e: u32 = 4294967295
+  return ~e
+}
+
+# XTEST test_compile(exit_code=0)
+#
+# XTEST test_run_binary(exit_code=0)
+#
+# TEST test_contains_tokens WITH
+# ./0033_unary_operator_bitwise_not.ol:18:10: <~>
+# END
-- 
2.46.0


  parent reply	other threads:[~2024-10-09 19:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-09 21:18 [PATCH olang v1 0/3] implement unary operator for bitwise not Johnny Richard
2024-10-09 21:18 ` [PATCH olang v1 1/3] doc: add unary expression to language spec Johnny Richard
2024-10-09 21:18 ` Johnny Richard [this message]
2024-10-09 21:18 ` [PATCH olang v1 3/3] parser: codegen(x86_64): add bitwise not unary op support Johnny Richard
2024-10-09 19:35   ` [olang/patches/.build.yml] build success builds.sr.ht
2024-10-09 23:00 ` [PATCH olang v1 0/3] implement unary operator for bitwise not Carlos Maniero

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