feat(codegen): use indent of tabs

Author: BeyondMagic

Makefile

@@ -16,10 +16,12 @@ LEX_OUT = lex.yy.c
 YACC_OUT = parser.tab.c
 YACC_HEADER = parser.tab.h
 
-SMOKE_DIR = tests/smoke
-SMOKE_SOURCES := $(wildcard $(SMOKE_DIR)/*.c)
-SMOKE_CASES := $(basename $(notdir $(SMOKE_SOURCES)))
-SEMANTIC_SCRIPT = scripts/run_semantic_tests.sh
+PASS_DIR = tests/pass
+PASS_SOURCES := $(wildcard $(PASS_DIR)/*.c)
+PASS_CASES := $(basename $(notdir $(PASS_SOURCES)))
+FAIL_DIR = tests/fail
+FAIL_SOURCES := $(wildcard $(FAIL_DIR)/*.c)
+FAIL_CASES := $(basename $(notdir $(FAIL_SOURCES)))
 
 all: $(TARGET)
 
@@ -35,14 +37,16 @@ $(YACC_OUT) $(YACC_HEADER): $(YACC_SRC) src/ast.h src/ast.c
 clean:
 	rm -f $(TARGET) $(LEX_OUT) $(YACC_OUT) $(YACC_HEADER)
 
-test: all
-	@echo "== Running smoke tests =="
-	@if [ -z "$(SMOKE_CASES)" ]; then \
-		echo "No smoke tests found under $(SMOKE_DIR)"; \
+test: test-pass test-fail
+
+test-pass: all
+	@echo "== Running pass tests =="
+	@if [ -z "$(PASS_CASES)" ]; then \
+		echo "No pass tests found under $(PASS_DIR)"; \
 	else \
-		for case in $(SMOKE_CASES); do \
-			input="$(SMOKE_DIR)/$$case.c"; \
-			expected_file="$(SMOKE_DIR)/$$case.lua"; \
+		for case in $(PASS_CASES); do \
+			input="$(PASS_DIR)/$$case.c"; \
+			expected_file="$(PASS_DIR)/$$case.lua"; \
 			if [ ! -f "$$expected_file" ]; then \
 				echo "Missing expected Lua file for $$case"; \
 				exit 1; \
@@ -58,9 +62,41 @@ test: all
 				exit 1; \
 			fi; \
 		done; \
-		echo "All smoke tests passed."; \
+		echo "All pass tests passed."; \
 	fi
 
-semantic-test: all
-	@echo "== Running semantic tests =="
-	@COMPILER_CMD=./c2lua bash $(SEMANTIC_SCRIPT)
+test-fail: all
+	@echo "== Running fail tests =="
+	@if [ -z "$(FAIL_CASES)" ]; then \
+		echo "No fail tests found under $(FAIL_DIR)"; \
+	else \
+		for case in $(FAIL_CASES); do \
+			input="$(FAIL_DIR)/$$case.c"; \
+			expected_err="$(FAIL_DIR)/$$case.err"; \
+			if [ ! -f "$$expected_err" ]; then \
+				echo "Missing expected .err file for $$case"; \
+				exit 1; \
+			fi; \
+			tmp_err=$$(mktemp); \
+			if ./c2lua "$$input" > /dev/null 2> "$$tmp_err"; then \
+				echo "-- $$case... fail"; \
+				echo "Expected compilation error but succeeded."; \
+				rm -f "$$tmp_err"; \
+				exit 1; \
+			fi; \
+			if diff -u "$$expected_err" "$$tmp_err" > /dev/null; then \
+				echo "-- $$case... ok"; \
+			else \
+				echo "-- $$case... fail"; \
+				echo "Expected:"; \
+				cat "$$expected_err"; \
+				echo; \
+				echo "Got:"; \
+				cat "$$tmp_err"; \
+				rm -f "$$tmp_err"; \
+				exit 1; \
+			fi; \
+			rm -f "$$tmp_err"; \
+		done; \
+		echo "All fail tests passed."; \
+	fi

src/codegen_lua.c

@@ -326,6 +326,6 @@ static void emit_indent(FILE *out, int indent)
 {
 	for (int i = 0; i < indent; ++i)
 	{
-		fputs("  ", out);
+		fputs("\t", out);
 	}
 }

tests/pass/expressions.lua

@@ -1,17 +1,17 @@
 local function add(k, y)
-  return (k + y)
+	return (k + y)
 end
 
 local function sum(a, b)
-  local r = ((a + b) / 10)
-  return r
+	local r = ((a + b) / 10)
+	return r
 end
 
 os.exit((function(args)
-  local args_table = args
-  local K = args_table and tonumber(args_table[1]) or 0
-  local a = 10
-  local b = 20
-  local r = (sum(a, b) + add(a, b))
-  return 0
+	local args_table = args
+	local K = args_table and tonumber(args_table[1]) or 0
+	local a = 10
+	local b = 20
+	local r = (sum(a, b) + add(a, b))
+	return 0
 end)(arg))

tests/pass/testes.c

@@ -1,5 +1,5 @@
 os.exit((function(args)
-  local a = 10
-  a = (a + 5)
-  return a
+	local a = 10
+	a = (a + 5)
+	return a
 end)(arg))