1 files changed, 49 insertions, 0 deletions
diff --git a/cljcc-compiler/src/cljcc/cljcc.clj b/cljcc-compiler/src/cljcc/cljcc.clj
new file mode 100644
index 0000000..fc088fc
--- /dev/null
+++ b/cljcc-compiler/src/cljcc/cljcc.clj
@@ -0,0 +1,49 @@
+(ns cljcc.cljcc
+  (:require
+   [cljcc.lexer :as lexer]
+   [cljcc.parser :as parser]
+   [cljcc.tacky :as tacky]
+   [cljcc.config :as config]
+   [cljcc.analyze.core :as analyzer]
+   [cljcc.compiler :as codegen]
+   [cljcc.emit :as emit])
+  (:gen-class))
+
+(def valid-os-targets #{:mac :linux})
+(def valid-stages #{:lex :parse :validate :tacky :codegen :emit})
+
+(defn run
+  "Compiles source input using specified compiler options.
+
+  Parameters:
+    source - Source C file.
+    options - Map of compiler configuration options.
+
+  Options map:
+    :target - Map of target platform settings
+      :os - Target OS #{:linux :mac}
+    :stage - Which stage to generate #{:lex :parse :validate :tacky :codegen :emit}
+
+  Returns generated AST for specified stage."
+  [source & {:keys [options] :or {options {}}}]
+  (let [default-options {:target {:os :linux}
+                         :stage :emit}
+        merged-options (merge default-options options)
+        stage (:stage merged-options)
+        target-os (:os (:target merged-options))
+        _ (assert (stage valid-stages) "Invalid stage for compilation.")
+        _ (assert (target-os valid-os-targets) "Invalid operating system.")
+        _ (config/set-os target-os)
+        stages [lexer/lex parser/parse
+                analyzer/validate tacky/tacky-generate
+                codegen/assembly emit/emit]
+        stage-idx (condp = stage
+                    :lex 1
+                    :parse 2
+                    :validate 3
+                    :tacky 4
+                    :codegen 5
+                    :emit 6)
+        stages-to-run (vec (take stage-idx stages))]
+    (reduce (fn [acc f] (f acc)) source stages-to-run)))
+