stdlib/fedora: Use grep -F when matching %fedora-rebuild-name

[goals.git] / src / parse.ml

diff --git a/src/parse.ml b/src/parse.ml
index 1a4c206..da42b87 100644 (file)
--- a/src/parse.ml
+++ b/src/parse.ml
@@ -17,18 +17,15 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *)
 
-open Lexer
 open Lexing
-
 open Printf
 
-let () =
-  Parser.lexer_read := Some Lexer.read
+open Utils
+open Lexer
 
-let print_position fp lexbuf =
+let string_position () lexbuf =
   let pos = lexbuf.lex_curr_p in
-  fprintf fp "%s:%d:%d"
-    pos.pos_fname pos.pos_lnum (pos.pos_cnum - pos.pos_bol)
+  sprintf "%s:%d:%d" pos.pos_fname pos.pos_lnum (pos.pos_cnum - pos.pos_bol)
 
 let parse_file env lexbuf =
   try
@@ -36,33 +33,35 @@ let parse_file env lexbuf =
     Ast.Env.merge env env'
   with
   | SyntaxError msg ->
-     eprintf "%a: %s\n" print_position lexbuf msg;
-     exit 1
+     failwithf "%a: %s" string_position lexbuf msg
   | Parser.Error ->
-     eprintf "%a: parse error\n" print_position lexbuf;
-     exit 1
+     failwithf "%a: parse error" string_position lexbuf
 
 let parse_expr lexbuf =
-  try Parser.expr Lexer.read lexbuf
+  try Parser.expr_only Lexer.read lexbuf
   with
   | SyntaxError msg ->
-     eprintf "%a: %s\n" print_position lexbuf msg;
-     exit 1
+     failwithf "%a: %s" string_position lexbuf msg
   | Parser.Error ->
-     eprintf "%a: parse error\n" print_position lexbuf;
-     exit 1
+     failwithf "%a: parse error" string_position lexbuf
 
 (* This is used to parse the Goalfile. *)
 let parse_goalfile env filename =
+  Cmdline.debug "parse file: %s" filename;
   let fp = open_in filename in
-  let lexbuf = Lexing.from_channel fp in
-  lexbuf.lex_curr_p <- { lexbuf.lex_curr_p with pos_fname = filename };
+  let lexbuf = Lexing.from_channel ~with_positions:true fp in
+  let pos = lexbuf.lex_curr_p in
+  lexbuf.lex_curr_p <- { pos with pos_fname = filename };
   let env' = parse_file env lexbuf in
   close_in fp;
   env'
 
-(* This is used to parse dependency expressions on the command line. *)
-let parse_cli_expr str =
-  let lexbuf = Lexing.from_string str in
-  lexbuf.lex_curr_p <- { lexbuf.lex_curr_p with pos_fname = "<command line>" };
+(* This is used to parse expressions on the command line and
+ * the output from functions.
+ *)
+let parse_expr source str =
+  Cmdline.debug "parse expression: %S" str;
+  let lexbuf = Lexing.from_string ~with_positions:true str in
+  let pos = lexbuf.lex_curr_p in
+  lexbuf.lex_curr_p <- { pos with pos_fname = source };
   parse_expr lexbuf