tools: Enable color from gcc.

eris/termstr.py

@@ -166,18 +166,22 @@ class TermStr(collections.UserString):
         is_bold, is_italic, is_underlined = False, False, False
         result_parts = [parts[0]]
         for part in parts[1:]:
-            end_index = part.index("m")
-            codes = part[1:end_index].split(";")
+            if part.startswith("[K"):
+                end_index = part.index("K")
+                codes = []
+            else:
+                end_index = part.index("m")
+                codes = part[1:end_index].split(";")
             previous_code = None
             for index, code in enumerate(codes):
                 if code in ["", "0"]:  # Normal
                     is_bold, is_italic, is_underlined = False, False, False
                     fg_color, bg_color = None, None
-                elif code == "1":  # bold
+                elif code in ["01", "1"]:  # bold
                     is_bold = True
-                elif code == "3":  # italic
+                elif code in ["03", "3"]:  # italic
                     is_italic = True
-                elif code == "4":  # underline
+                elif code in ["04", "4"]:  # underline
                     is_underlined = True
                 elif len(code) == 2 and code.startswith("3"):  # 8 fg color
                     fg_color = int(code[1])

eris/tools.toml

@@ -202,12 +202,14 @@ tools_for_extensions = [
 [c_syntax_gcc]
   dependencies = ["gcc", "g++"]
   url = "https://gcc.gnu.org/"
-  command = "gcc -fsyntax-only"
+  command = "gcc -fsyntax-only -fdiagnostics-color=always"
+  has_color = true
 
 [cpp_syntax_gcc]
   dependencies = ["gcc", "g++"]
   url = "https://gcc.gnu.org/"
-  command = "gcc -fsyntax-only"
+  command = "gcc -fsyntax-only -fdiagnostics-color=always"
+  has_color = true
 
 [php7_syntax]
   dependencies = ["php7.2-cli"]

tests/golden-files/results/c_syntax_gcc-hello_c

@@ -0,0 +1 @@
+

tests/golden-files/results/cpp_syntax_gcc-hello_cpp

@@ -0,0 +1 @@
+

tests/termstr_test.py

@@ -151,6 +151,10 @@ class TermStrTests(unittest.TestCase):
                          termstr.TermStr("bar"))
         self.assertEqual(TermStr.from_term(eris.terminal.ESC + "[1;3mfoo"),
                          termstr.TermStr("foo").bold().italic())
+        self.assertEqual(TermStr.from_term(eris.terminal.ESC + "[01mfoo"),
+                         termstr.TermStr("foo").bold())
+        self.assertEqual(TermStr.from_term(eris.terminal.ESC + "[Kfoo"),
+                         termstr.TermStr("foo"))
 
 
 if __name__ == "__main__":