From 7ddc83f098cfd316656c28dcca5375b939fd6c00 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?William=20Herg=C3=A8s?= <william@herges.fr>
Date: Sun, 9 Nov 2025 13:36:02 +0100
Subject: feat(calc)): partial supports of exp

---
 src/elixir_math_parser.yrl       | 8 +++++---
 src/elixir_math_parser_lexer.xrl | 1 +
 2 files changed, 6 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/elixir_math_parser.yrl b/src/elixir_math_parser.yrl
index 0808683..006c768 100644
--- a/src/elixir_math_parser.yrl
+++ b/src/elixir_math_parser.yrl
@@ -10,7 +10,7 @@ Terminals
   int
   var
   break
-  '+' '-' '*' '/' '!'
+  '+' '-' '*' '/' '!' '^'
   '='
   '(' ')'
 .
@@ -25,7 +25,8 @@ Left 300 '-'.
 Left 400 '*'.
 Left 400 '/'.
 Right 500 '!'.
-Left 600 '('.
+Left 600 '^'.
+Left 700 '('.
 
 root -> statements : '$1'.
 
@@ -46,8 +47,9 @@ expr -> exprs '+' exprs : {add_op, '$1', '$3'}.
 expr -> exprs '-' exprs : {sub_op, '$1', '$3'}.
 expr -> exprs '*' exprs : {mul_op, '$1', '$3'}.
 expr -> exprs '/' exprs : {div_op, '$1', '$3'}.
-expr -> '(' exprs ')' : '$2'.
 expr -> expr '!' : {factor_op, '$1'}.
+expr -> exprs '^' exprs : {exp_op, '$1', '$3'}.
+expr -> '(' exprs ')' : '$2'.
 
 Erlang code.
 
diff --git a/src/elixir_math_parser_lexer.xrl b/src/elixir_math_parser_lexer.xrl
index 5bdcbef..c29416e 100644
--- a/src/elixir_math_parser_lexer.xrl
+++ b/src/elixir_math_parser_lexer.xrl
@@ -14,6 +14,7 @@ Rules.
 \(            : {token, {'(',  TokenLine}}.
 \)            : {token, {')',  TokenLine}}.
 !             : {token, {'!',  TokenLine}}.
+\^            : {token, {'^',  TokenLine}}.
 {BREAK}+      : {token, {break,  TokenLine}}.
 {NAME}        : {token, {var, TokenLine, TokenChars}}.
 {INT}         : {token, {int,  TokenLine, TokenChars}}.
-- 
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