evalexpr: parse: rename recursive parsing function

Makefile

@@ -6,7 +6,7 @@ VPATH = src/
 SRC = \
     src/ast/ast.c \
     src/eval/eval.c \
-    src/parse/parse.c \
+    src/parse/recursive_parse.c \
 
 BIN = evalexpr
 OBJ = $(SRC:.c=.o)

src/evalexpr.c

@@ -13,7 +13,7 @@ int main(void)
 
     while ((getline(&line, &size, stdin)) > 0)
     {
-        struct ast_node *ast = parse_string(line);
+        struct ast_node *ast = recursive_parse(line);
 
         if (ast == NULL)
         {

src/parse/parse.h

@@ -3,6 +3,6 @@
 
 #include "ast/ast.h"
 
-struct ast_node *parse_string(const char *input);
+struct ast_node *recursive_parse(const char *input);
 
 #endif /* !PARSE_H */

src/parse/recursive_parse.c

@@ -26,21 +26,21 @@ static void skip_whitespace(const char **input)
 }
 
 /*
-** Simple recursive descent using the following grammar, using E as start:
+ * Simple recursive descent using the following grammar, using E as start:
-**
+ *
-**      E : T [ ('+'|'-') T ]*
+ *      E : T [ ('+'|'-') T ]*
-**      T : F [ ('*'|'/') F ]*
+ *      T : F [ ('*'|'/') F ]*
-**      F : [ ('-'|'+') ]* P
+ *      F : [ ('-'|'+') ]* P
-**      P : G [ ('^') F ]*
+ *      P : G [ ('^') F ]*
-**      G : '(' E ')' | CONSTANT [ '!' ]
+ *      G : '(' E ')' | CONSTANT [ '!' ]
-**
+ *
-** Whitespace is ignored in the input string, only serving to delimit numbers.
+ * Whitespace is ignored in the input string, only serving to delimit numbers.
-**
+ *
-** The input shall consist of a single expression, having a trailing
+ * The input shall consist of a single expression, having a trailing
-** expression in the input results in an error.
+ * expression in the input results in an error.
-**/
+ */
 
-struct ast_node *parse_string(const char *input)
+struct ast_node *recursive_parse(const char *input)
 {
     if (input == NULL)
         return NULL;