[gtk+/wip/otte/shader: 90/175] gsksltokenizer: Always return idents



commit 18f993536e64bd681ef24094a6bad999e576eb92
Author: Benjamin Otte <otte redhat com>
Date:   Sat Sep 23 15:08:50 2017 +0200

    gsksltokenizer: Always return idents
    
    Turning idents into keywords is the job of the preprocessor and has to
    be done after processing #defines.

 gsk/gskslpreprocessor.c     |    7 +++++++
 gsk/gsksltokenizer.c        |   28 +++++++++++++++-------------
 gsk/gsksltokenizerprivate.h |    3 +++
 3 files changed, 25 insertions(+), 13 deletions(-)
---
diff --git a/gsk/gskslpreprocessor.c b/gsk/gskslpreprocessor.c
index c633a7f..d20985e 100644
--- a/gsk/gskslpreprocessor.c
+++ b/gsk/gskslpreprocessor.c
@@ -213,6 +213,13 @@ gsk_sl_preprocessor_ensure (GskSlPreprocessor *preproc)
           break;
         }
     }
+
+  if (gsk_sl_token_is (&preproc->token, GSK_SL_TOKEN_IDENTIFIER))
+    {
+      char *ident = preproc->token.str;
+      gsk_sl_token_init_from_identifier (&preproc->token, ident);
+      g_free (ident);
+    }
 }
 
 const GskSlToken *
diff --git a/gsk/gsksltokenizer.c b/gsk/gsksltokenizer.c
index aa9c343..2f6867c 100644
--- a/gsk/gsksltokenizer.c
+++ b/gsk/gsksltokenizer.c
@@ -1463,14 +1463,11 @@ gsk_sl_token_reader_read_number (GskSlTokenReader  *reader,
   return gsk_sl_token_reader_read_float_number (reader, token, error);
 }
 
-static gboolean
+static void
 gsk_sl_token_reader_read_identifier (GskSlTokenReader  *reader,
-                                     GskSlToken        *token,
-                                     GError           **error)
+                                     GskSlToken        *token)
 {
   GString *string;
-  guint i;
-  char *ident;
   char c;
 
   string = g_string_new ("");
@@ -1483,19 +1480,26 @@ gsk_sl_token_reader_read_identifier (GskSlTokenReader  *reader,
       gsk_sl_token_reader_consume (reader, 1);
     }
 
-  ident = g_string_free (string, FALSE);
+  gsk_sl_token_init (token, GSK_SL_TOKEN_IDENTIFIER);
+  token->str = g_string_free (string, FALSE);
+}
 
+void
+gsk_sl_token_init_from_identifier (GskSlToken *token,
+                                   const char *ident)
+{
+  guint i;
   if (g_str_equal (ident, "true"))
     {
       gsk_sl_token_init (token, GSK_SL_TOKEN_BOOLCONSTANT);
       token->b = TRUE;
-      return TRUE;
+      return;
     }
   else if (g_str_equal (ident, "false"))
     {
       gsk_sl_token_init (token, GSK_SL_TOKEN_BOOLCONSTANT);
       token->b = FALSE;
-      return TRUE;
+      return;
     }
 
   for (i = 0; i < G_N_ELEMENTS (keywords); i++)
@@ -1506,14 +1510,12 @@ gsk_sl_token_reader_read_identifier (GskSlTokenReader  *reader,
       if (g_str_equal (ident, keywords[i]))
         {
           gsk_sl_token_init (token, i);
-          return TRUE;
+          return;
         }
     }
 
   gsk_sl_token_init (token, GSK_SL_TOKEN_IDENTIFIER);
-  token->str = ident;
-  
-  return TRUE;
+  token->str = g_strdup (ident);
 }
 
 void
@@ -1828,7 +1830,7 @@ gsk_sl_tokenizer_read_token (GskSlTokenizer *tokenizer,
         }
       else if (is_identifier_start (c))
         {
-          gsk_sl_token_reader_read_identifier (&reader, token, &error);
+          gsk_sl_token_reader_read_identifier (&reader, token);
         }
       else
         {
diff --git a/gsk/gsksltokenizerprivate.h b/gsk/gsksltokenizerprivate.h
index ec2fc92..f39e64f 100644
--- a/gsk/gsksltokenizerprivate.h
+++ b/gsk/gsksltokenizerprivate.h
@@ -266,6 +266,9 @@ struct _GskSlToken {
 
 void                    gsk_sl_token_clear                      (GskSlToken            *token);
 
+void                    gsk_sl_token_init_from_identifier       (GskSlToken            *token,
+                                                                 const char            *ident);
+
 gboolean                gsk_sl_token_is_finite                  (const GskSlToken      *token);
 #define gsk_sl_token_is(token, _type) ((token)->type == (_type))
 gboolean                gsk_sl_token_is_ident                   (const GskSlToken      *token,


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