Basic expression parsing

1 files changed, 31 insertions, 0 deletions

diff --git a/src/manifest b/src/manifest
new file mode 100644
index 0000000..dc03948
--- /dev/null
+++ b/src/manifest
@@ -0,0 +1,31 @@
+Data struct:
+    - expression
+        - matrix
+        - complex
+
+        - polynomial
+
+State Data struct:
+    - function
+    - variable
+
+
+1. ( )
+2. ^
+3. * / % **
+4. + -
+
+expr         ::= <term>   (+ | -)           <expr>   | <term>
+term         ::= <factor> (* | / | % | **)? <term>   | <factor>  -- default to '*'
+factor       ::= <base>   '^'               <factor> | <base>
+base         ::= '(' <expr> ')'                      | ( <real> | <imag> | <matrix> )
+
+imag         ::= <expr> '*'? 'i'
+real         ::= [0-9]+
+
+matrix       ::= '[' (<line> ';')* ']'
+line         ::= '[' (<expr> ',')* ']'
+
+func         ::= [a-zA-Z]+ '(' <var> ')'
+var          ::= [a-zA-Z]+
+endpoint     ::= (<var> | <func>) '=' <expr>