add expr ids

compiler/counter.phi

@@ -0,0 +1,15 @@
+
+(fn Counter () (do
+    (let counter 0)
+
+    (fn count () (do
+        (return counter)
+    ))
+
+    (fn increment () (do
+        (+= counter 1)
+    ))
+
+    (return (list count increment))
+))
+

compiler/emit_js.phi

@@ -1,10 +1,17 @@
 (import "../stdlib.phi" (
-    slice contains
-    list_push list_pop list_contains
-    map map_has map_get map_set
+    slice
+    contains
+    list_push
+    list_pop
+    list_contains
+    map
+    map_has
+    map_get
+    map_set
 ))
 (import "./parse.phi" (Parser tokenize))
 (import "./syms.phi" (Syms))
+(import "./counter.phi" (Counter))
 
 (fn JsEmitter (ast initial_filename) (do
     (let output (list))
@@ -64,30 +71,30 @@
 
     (fn discover_syms (exprs) (do
         (for expr exprs (do
-            (let (ty line) expr)
+            (let (_ ty line) expr)
             (if (!= ty "list") (return))
-            (let (_ _ s) expr)
+            (let (_ _ _ s) expr)
             (if (== (len s) 0) (return))
-            (let ((_ _ id)) s)
+            (let ((_ _ _ id)) s)
             (if (== id "fn") (do
-                (let (_ (_ _ ident) (_ _ params) body) s)
+                (let (_ (_ _ _ ident) (_ _ _ params) body) s)
                 (define_fn ident line)
             ))
         ))
     ))
 
     (fn emit_expr (expr) (do
-        (let (ty line) expr)
+        (let (_ ty line) expr)
         (if (== ty "list") (do
             (emit_list expr)
         ) (if (== ty "int") (do
-            (let (_ _ value) expr)
+            (let (_ _ _ value) expr)
             (emit (format "({ type: \"int\", value: % })" value))
         ) (if (== ty "string") (do
-            (let (_ _ value) expr)
+            (let (_ _ _ value) expr)
             (emit (format "({ type: \"string\", value: \"%\" })" (string_escape value)))
         ) (if (== ty "ident") (do
-            (let (_ _ value) expr)
+            (let (_ _ _ value) expr)
 
             (if (== value "null") (do
                 (emit "({ type: \"null\" })")
@@ -130,16 +137,16 @@
     ))
 
     (fn emit_list (expr) (do
-        (let (ty line s) expr)
+        (let (_ ty line s) expr)
         (if (== (len s) 0) (do
             (panic "illegal function on line %" line)
         ))
-        (let ((id_ty _ id)) s)
+        (let ((_ id_ty _ id)) s)
         (if (!= id_ty "ident") (do
             (panic "illegal function on line %" line)
         ))
         (if (== id "import") (do
-            (let (_ (_ _ inner_filename_rel) (_ _ idents)) s)
+            (let (_ (_ _ _ inner_filename_rel) (_ _ _ idents)) s)
 
             (let inner_filename (fs_resolve (fs_dirname filename) inner_filename_rel))
 
@@ -186,7 +193,7 @@
             ))
             (list_pop import_stack)
 
-            (for (_ _ ident) idents (do
+            (for (_ _ _ ident) idents (do
                 (let sym null)
                 (for (sym_ident found_sym) sym_map (do
                     (if (== sym_ident ident) (do
@@ -206,7 +213,7 @@
                 ))
             ))
         ) (if (== id "fn") (do
-            (let (_ (_ _ ident) (_ _ params) body) s)
+            (let (_ (_ _ _ ident) (_ _ _ params) body) s)
 
             (let sym (get_sym ident))
             (let (sym_id) sym)
@@ -216,7 +223,7 @@
             (enter_scope)
 
             (let first true)
-            (for (_ _ ident) params (do
+            (for (_ _ _ ident) params (do
                 (if (not first) (do
                     (emit ", ")
                 ))
@@ -396,16 +403,16 @@
     ))
 
     (fn emit_let_node (pat base_reg) (do
-        (let (pat_ty line) pat)
+        (let (_ pat_ty line) pat)
         (if (== pat_ty "ident") (do
-            (let (_ _ ident) pat)
+            (let (_ _ _ ident) pat)
 
             (if (== ident "_") (return))
 
             (let sym_id (define_let ident line))
             (emit (format ";\nlet _%% = r_%" ident sym_id base_reg))
         ) (if (== pat_ty "list") (do
-            (let (_ _ pats) pat)
+            (let (_ _ _ pats) pat)
 
             (let i 0)
             (for pat pats (do
@@ -424,7 +431,7 @@
     ))
 
     (fn emit_binary_op (s id) (do
-        (let ((_ line _) left right) s)
+        (let ((_ _ line _) left right) s)
         (emit (format "(%, runtime.%(" (rt_info line) id))
         (emit_expr left)
         (emit ", ")
@@ -437,11 +444,11 @@
     ))
 
     (fn emit_assign_expr (s line id) (do
-        (let (_ (target_type) expr) s)
+        (let (_ (_ target_type) expr) s)
         (if (!= target_type "ident") (do
             (panic "cannot assign to expression on line %" line)
         ))
-        (let (_ (_ _ ident)) s)
+        (let (_ (_ _ _ ident)) s)
         (let sym (get_sym ident))
         (if (== sym null) (do
             (panic "could not find symbol '%' on line %" ident line)
@@ -533,20 +540,6 @@
     (return (list generate))
 ))
 
-(fn Counter () (do
-    (let counter 0)
-
-    (fn count () (do
-        (return counter)
-    ))
-
-    (fn increment () (do
-        (+= counter 1)
-    ))
-
-    (return (list count increment))
-))
-
 (fn string_escape (str) (do
     (let str_len (len str))
     (let i 0)

compiler/parse.phi

@@ -1,9 +1,17 @@
 (import "../stdlib.phi" (slice slice_eq contains))
+(import "./counter.phi" (Counter))
 
 (fn Parser (tokens) (do
     (let i 0)
     (let tok (at tokens i))
 
+    (let (id_count increment_id) (Counter))
+    (fn next_id () (do
+        (let id (id_count))
+        (increment_id)
+        (return id)
+    ))
+
     (fn parse () (do
         (let exprs (list))
         (loop (do
@@ -24,13 +32,13 @@
             (if (not (eat ")")) (do
                 (panic "expected ')' on line %" (at tok 1))
             ))
-            (return (list "list" line values))
+            (return (list (next_id) "list" line values))
         ) (if (eat "string") (do
-            (return (list "string" line value))
+            (return (list (next_id) "string" line value))
         ) (if (eat "int") (do
-            (return (list "int" line (string_to_int value)))
+            (return (list (next_id) "int" line (string_to_int value)))
         ) (if (eat "ident") (do
-            (return (list "ident" line value))
+            (return (list (next_id) "ident" line value))
         ) (do
             (panic "expected expression, got '%' on line %" ty line)
         )))))