init

.clang-format

@@ -0,0 +1,14 @@
+BasedOnStyle: WebKit
+IndentWidth: 4
+ColumnLimit: 80
+IndentCaseLabels: true
+BreakBeforeBraces: Custom
+BraceWrapping:
+    AfterFunction: true
+    SplitEmptyFunction: false
+AlignAfterOpenBracket: BlockIndent
+AlignOperands: AlignAfterOperator
+BreakBeforeBinaryOperators: true
+BinPackArguments: false
+BinPackParameters: false
+

.clangd

@@ -0,0 +1,19 @@
+Diagnostics:
+    ClangTidy:
+        Add:
+            - bugprone-*
+            - clang-analyser-*
+            - cppcoreguidelines-*
+            - modernize-*
+            - readability-*
+        Remove:
+            - readability-magic-numbers
+        CheckOptions:
+            readability-identifier-naming.IgnoreMainLikeFunctions: true
+            readability-identifier-length.IgnoredVariableNames: (x|y|z|i|id)
+            readability-identifier-length.IgnoredParameterNames: (x|y|z|i|id)
+
+            readability-identifier-naming.FunctionCase: lower_case
+            readability-identifier-naming.ParameterCase: lower_case
+            readability-identifier-naming.VariableCase: lower_case
+    UnusedIncludes: Strict

.gitignore

@@ -0,0 +1,4 @@
+
+build/
+compile_flags.txt
+

Makefile

@@ -0,0 +1,41 @@
+
+PROGRAM = ol
+CC = clang
+
+C_FLAGS = \
+	-std=c17 \
+	-Wall \
+	-Wextra \
+	-Wpedantic \
+	-Wconversion \
+	-Wno-gnu-case-range
+
+LINKER_FLAGS = \
+	-fsanitize=address,undefined
+
+SOURCE_FOLDER = src
+BUILD_FOLDER = build
+C_FILES = $(shell find $(SOURCE_FOLDER) -name "*.c")
+H_FILES = $(shell find $(SOURCE_FOLDER) -name "*.h")
+
+C_FLAGS += -I$(SOURCE_FOLDER)
+
+OBJECT_FILES = $(patsubst $(SOURCE_FOLDER)/%.c, $(BUILD_FOLDER)/%.o, $(C_FILES))
+
+all: build_folder $(PROGRAM) compile_flags.txt
+
+$(PROGRAM): $(OBJECT_FILES)
+	$(CC) $^ -o $(BUILD_FOLDER)/$@ $(LINKER_FLAGS)
+
+$(BUILD_FOLDER)/%.o: $(SOURCE_FOLDER)/%.c $(H_FILES)
+	$(CC) $< -c -o $@ $(C_FLAGS)
+
+build_folder:
+	mkdir $(BUILD_FOLDER) -p
+
+compile_flags.txt:
+	echo -xc $(CPP_FLAGS) | sed 's/\s\+/\n/g' > compile_flags.txt
+
+clean:
+	rm -rf $(BUILD_FOLDER) compile_flags.txt
+

src/lexer.c

@@ -0,0 +1 @@
+#include "lexer.h"

src/lexer.h

@@ -0,0 +1,4 @@
+#ifndef LEXER_H
+#define LEXER_H
+
+#endif

src/main.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+int main(int argc, const char** argv)
+{
+    if (argc < 2) {
+        printf("usage: ol <file>\n");
+        return 1;
+    }
+    const char* file_path = argv[1];
+
+    FILE* file = fopen(file_path, "r");
+    if (!file) {
+        printf("could not open file '%s'\n", file_path);
+        return 1;
+    }
+
+    printf("file:\n");
+    int read_char = fgetc(file);
+    while (read_char != EOF) {
+        fputc(read_char, stdout);
+        read_char = fgetc(file);
+    }
+    fputc('\n', stdout);
+}