SwiftCov support

84.8% coverage so far.

Signed-off-by: Stephen Celis <stephen@stephencelis.com>

Author: stephencelis

Makefile

@@ -3,6 +3,8 @@ BUILD_SDK = macosx
 BUILD_ARGUMENTS = -scheme SQLite -sdk $(BUILD_SDK)
 
 XCPRETTY := $(shell command -v xcpretty)
+SWIFTCOV := $(shell command -v swiftcov)
+GCOVR := $(shell command -v gcovr)
 
 default: test
 
@@ -16,8 +18,30 @@ else
 	$(BUILD_TOOL) $(BUILD_ARGUMENTS) test
 endif
 
+coverage:
+ifdef SWIFTCOV
+	$(SWIFTCOV) generate --output coverage \
+		$(BUILD_TOOL) $(BUILD_ARGUMENTS) -configuration Release test \
+		-- ./SQLite/*.swift
+ifdef GCOVR
+	$(GCOVR) \
+		--root . \
+		--use-gcov-files \
+		--html \
+		--html-details \
+		--output coverage/index.html \
+		--keep
+else
+	@echo gcovr must be installed for HTML output: https://github.com/gcovr/gcovr
+endif
+else
+	@echo swiftcov must be installed for coverage: https://github.com/realm/SwiftCov
+	@exit 1
+endif
+
 clean:
 	$(BUILD_TOOL) $(BUILD_ARGUMENTS) clean
+	rm -r coverage
 
 repl:
 	@$(BUILD_TOOL) $(BUILD_ARGUMENTS) -derivedDataPath $(TMPDIR)/SQLite.swift > /dev/null && \
@@ -26,3 +50,4 @@ repl:
 sloc:
 	@zsh -c "grep -vE '^ *//|^$$' SQLite/*.{swift,h,c} | wc -l"
 
+.PHONY: test coverage clean repl sloc