From 9a97b73c7cd72812bdd517f4d34df89c2c8d51a6 Mon Sep 17 00:00:00 2001
From: cosmonaut <evan@moonside.games>
Date: Wed, 28 Apr 2021 16:10:17 -0700
Subject: [PATCH] rename compiler to codegen + handle file not found

---
 CMakeLists.txt                |  4 ++--
 src/{compiler.c => codegen.c} |  2 +-
 src/codegen.h                 |  8 ++++++++
 src/compiler.h                |  8 --------
 src/main.c                    |  4 ++--
 src/parser.c                  | 14 +++++++++++---
 6 files changed, 24 insertions(+), 16 deletions(-)
 rename src/{compiler.c => codegen.c} (99%)
 create mode 100644 src/codegen.h
 delete mode 100644 src/compiler.h

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 984d814..d298384 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,11 +40,11 @@ add_executable(
 	lib/dropt/dropt_handlers.c
 	# Source
 	src/ast.h
-	src/compiler.h
+	src/codegen.h
 	src/parser.h
 	src/stack.h
     src/ast.c
-	src/compiler.c
+	src/codegen.c
 	src/parser.c
     src/stack.c
 	src/main.c
diff --git a/src/compiler.c b/src/codegen.c
similarity index 99%
rename from src/compiler.c
rename to src/codegen.c
index 53168d8..563eb6c 100644
--- a/src/compiler.c
+++ b/src/codegen.c
@@ -813,7 +813,7 @@ static void Compile(LLVMModuleRef module, LLVMContextRef context, Node *node)
     }
 }
 
-int Build(Node *node, uint32_t optimizationLevel)
+int Codegen(Node *node, uint32_t optimizationLevel)
 {
     scope = CreateScope();
 
diff --git a/src/codegen.h b/src/codegen.h
new file mode 100644
index 0000000..ef59af2
--- /dev/null
+++ b/src/codegen.h
@@ -0,0 +1,8 @@
+#ifndef WRAITH_CODEGEN_H
+#define WRAITH_CODEGEN_H
+
+#include "ast.h"
+
+int Codegen(Node *node, uint32_t optimizationLevel);
+
+#endif /* WRAITH_CODEGEN_H */
diff --git a/src/compiler.h b/src/compiler.h
deleted file mode 100644
index 216d2c5..0000000
--- a/src/compiler.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef WRAITH_COMPILER_H
-#define WRAITH_COMPILER_H
-
-#include "ast.h"
-
-int Build(Node *node, uint32_t optimizationLevel);
-
-#endif /* WRAITH_COMPILER_H */
diff --git a/src/main.c b/src/main.c
index ff231a1..48a2301 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2,7 +2,7 @@
 #include "../lib/dropt/dropt.h"
 
 #include "parser.h"
-#include "compiler.h"
+#include "codegen.h"
 
 int main(int argc, char *argv[])
 {
@@ -64,7 +64,7 @@ int main(int argc, char *argv[])
                 }
                 else
                 {
-                    exitCode = Build(rootNode, optimizationLevel);
+                    exitCode = Codegen(rootNode, optimizationLevel);
                 }
             }
         }
diff --git a/src/parser.c b/src/parser.c
index 69d9603..856504c 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -14,9 +14,17 @@ int Parse(char *inputFilename, Node **pRootNode, uint8_t parseVerbose)
     yydebug = parseVerbose;
 
     FILE *fp = fopen(inputFilename, "r");
-    yyin = fp;
-    result = yyparse(fp, stack, pRootNode);
-    fclose(fp);
+    if (fp != NULL)
+    {
+        yyin = fp;
+        result = yyparse(fp, stack, pRootNode);
+        fclose(fp);
+    }
+    else
+    {
+        fprintf(stderr, "File not found.\n");
+        return 3;
+    }
 
     /* TODO: free stack */
     /* TODO: free AST on error */