Colors and small fixes

README.md

@@ -75,7 +75,7 @@ Lamb treats each λ expression as a binary tree. Variable binding and reduction
 
 
 ## Todo (pre-release, in this order):
- - Prettier colors
+ - Fix :save
  - Cleanup warnings
  - Truncate long expressions in warnings
  - Prevent macro-chaining recursion
@@ -83,6 +83,7 @@ Lamb treats each λ expression as a binary tree. Variable binding and reduction
  - step-by-step reduction
  - Cleanup files
  - Update screenshot
+ - Update documentation & "internals" section.
  - PyPi package
 
 

lamb/__main__.py

@@ -36,7 +36,7 @@ r = lamb.Runner(
 		key_bindings = bindings
 	),
 	prompt_message = FormattedText([
-		("class:prompt", "~~> ")
+		("class:prompt", "==> ")
 	])
 )
 

lamb/commands.py

@@ -103,7 +103,7 @@ def cmd_load(command, runner):
 	for i in range(len(lines)):
 		l = lines[i]
 		try:
-			x = runner.parse(l)
+			x = runner.parse(l)[0]
 		except ppx.ParseException as e:
 			printf(
 				FormattedText([

lamb/runner.py

@@ -129,7 +129,10 @@ class Runner:
 				("class:warn", "\n")
 			]
 
-		only_macro = isinstance(node.left, lamb.node.Macro)
+		only_macro = (
+			isinstance(node.left, lamb.node.Macro) or
+			isinstance(node.left, lamb.node.Church)
+		)
 		if only_macro:
 			stop_reason = StopReason.SHOW_MACRO
 		m, node = lamb.node.expand(node, force_all = only_macro)
@@ -181,21 +184,21 @@ class Runner:
 
 		if only_macro:
 			out_text += [
-				("class:result_header", f"Displaying macro content")
+				("class:ok", f"Displaying macro content")
 			]
 
 		else:
 			out_text += [
-				("class:result_header", f"Runtime: "),
+				("class:ok", f"Runtime: "),
 				("class:text", f"{time.time() - start_time:.03f} seconds"),
 
-				("class:result_header", f"\nExit reason: "),
+				("class:ok", f"\nExit reason: "),
 				stop_reason.value,
 
-				("class:result_header", f"\nMacro expansions: "),
+				("class:ok", f"\nMacro expansions: "),
 				("class:text", f"{macro_expansions:,}"),
 
-				("class:result_header", f"\nReductions: "),
+				("class:ok", f"\nReductions: "),
 				("class:text", f"{k:,}\t"),
 				("class:muted", f"(Limit: {self.reduction_limit:,})")
 			]
@@ -206,7 +209,7 @@ class Runner:
 				only_macro
 		):
 			out_text += [
-				("class:result_header", "\n\n    => "),
+				("class:ok", "\n\n    => "),
 				("class:text", str(node)), # type: ignore
 			]
 
@@ -230,7 +233,7 @@ class Runner:
 		if not silent:
 			printf(FormattedText([
 				("class:text", "Set "),
-				("class:syn_macro", macro.label),
+				("class:code", macro.label),
 				("class:text", " to "),
 				("class:text", str(macro.expr))
 			]), style = lamb.utils.style)

lamb/utils.py

@@ -7,31 +7,23 @@ from importlib.metadata import version
 style = Style.from_dict({ # type: ignore
 	# Basic formatting
 	"text": "#FFFFFF",
-	"warn": "#FFFF00",
+	"warn": "#FFA700",
-	"err": "#FF0000",
+	"err": "#FF3809",
-	"prompt": "#00FFFF",
+	"prompt": "#05CFFF",
-	"ok": "#B4EC85",
+	"ok": "#00EF7C",
 	"code": "#AAAAAA italic",
 	"muted": "#AAAAAA",
 
-	# Syntax
-	"syn_macro": "#FF00FF",
-	"syn_lambda": "#FF00FF",
-	"syn_bound": "#FF00FF",
-
-	# Titles for reduction results
-	"result_header": "#B4EC85 bold",
-
 	# Command formatting
 	# cmd_h:    section titles
 	# cmd_key:  keyboard keys, usually one character
-	"cmd_h": "#FF6600 bold",
+	"cmd_h": "#FF3809 bold",
-	"cmd_key": "#B4EC85 bold",
+	"cmd_key": "#00EF7C bold",
 
 	# Only used in greeting
-	"_v": "#B4EC85 bold",
+	"_v": "#00EF7C bold",
-	"_l": "#FF6600 bold",
+	"_l": "#FF3809 bold",
-	"_s": "#B4EC85 bold",
+	"_s": "#00EF7C bold",
 	"_p": "#AAAAAA"
 })