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-rw-r--r--cbs.h32
-rw-r--r--make.c3
-rw-r--r--src/codegen.c38
-rw-r--r--src/codegen.h9
-rw-r--r--src/main.c2
5 files changed, 67 insertions, 17 deletions
diff --git a/cbs.h b/cbs.h
index 492150c..266b949 100644
--- a/cbs.h
+++ b/cbs.h
@@ -28,11 +28,10 @@ struct strs {
size_t len, cap;
};
-enum pkg_config_flags {
- PC_CFLAGS = 1 << 0,
- PC_LIBS = 1 << 1,
- PC_SHARED = 1 << 2,
- PC_STATIC = 1 << 3,
+enum llvm_config_flags {
+ LLVM_CFLAGS = 1 << 0,
+ LLVM_LDFLAGS = 1 << 1,
+ LLVM_LIBS = 1 << 2,
};
void cbsinit(int, char **);
@@ -64,7 +63,7 @@ static void cmdput(struct strs);
static void cmdfput(FILE *, struct strs);
static char *swpext(const char *, const char *);
-static bool pcquery(struct strs *, const char *, int);
+static bool llvmquery(struct strs *, int);
static bool binexists(const char *);
static int nproc(void);
@@ -376,20 +375,17 @@ cmdfput(FILE *fp, struct strs xs)
}
bool
-pcquery(struct strs *xs, const char *lib, int flags)
+llvmquery(struct strs *xs, int flags)
{
struct strs ys = {0};
- strspushl(&ys, "pkg-config", "--silence-errors");
- if (flags & PC_CFLAGS)
+ strspushl(&ys, "llvm-config");
+ if (flags & LLVM_CFLAGS)
strspushl(&ys, "--cflags");
- if (flags & PC_LIBS)
+ if (flags & LLVM_LDFLAGS)
+ strspushl(&ys, "--ldflags");
+ if (flags & LLVM_LIBS)
strspushl(&ys, "--libs");
- if (flags & PC_SHARED)
- strspushl(&ys, "--shared");
- if (flags & PC_STATIC)
- strspushl(&ys, "--static");
- strspushl(&ys, (char *)lib);
char *buf;
size_t bufsz;
@@ -398,8 +394,10 @@ pcquery(struct strs *xs, const char *lib, int flags)
if (ec != EXIT_SUCCESS)
return false;
- /* Remove trailing newline */
- buf[bufsz - 1] = 0;
+ for (size_t i = 0; i < bufsz; i++) {
+ if (buf[i] == '\n')
+ buf[i] = ' ';
+ }
wordexp_t we;
assert(wordexp(buf, &we, WRDE_NOCMD) == 0);
diff --git a/make.c b/make.c
index ec48e23..2a29fe6 100644
--- a/make.c
+++ b/make.c
@@ -153,6 +153,8 @@ cc(void *arg)
strspushenv(&cmd, "CFLAGS", cflags_dbg, lengthof(cflags_dbg));
if (simd_flags != 0)
strspushl(&cmd, "-DORYX_SIMD=1");
+ if (strcmp(arg, "src/codegen.c") == 0)
+ llvmquery(&cmd, LLVM_CFLAGS);
strspushl(&cmd, "-o", dst, "-c", src);
cmdput(cmd);
@@ -175,6 +177,7 @@ ld(void)
strspushenv(&cmd, "CFLAGS", cflags_rls, lengthof(cflags_rls));
else
strspushenv(&cmd, "CFLAGS", cflags_dbg, lengthof(cflags_dbg));
+ llvmquery(&cmd, LLVM_LDFLAGS | LLVM_LIBS);
strspushl(&cmd, "-o", TARGET);
assert(glob("src/*.o", 0, globerr, &g) == 0);
diff --git a/src/codegen.c b/src/codegen.c
new file mode 100644
index 0000000..a9e5006
--- /dev/null
+++ b/src/codegen.c
@@ -0,0 +1,38 @@
+#include <llvm-c/Analysis.h>
+#include <llvm-c/Core.h>
+
+#include "codegen.h"
+
+void
+codegen(struct ast_soa ast, struct lexemes_soa toks)
+{
+ (void)ast;
+ (void)toks;
+
+ /* Create a new module */
+ LLVMModuleRef mod = LLVMModuleCreateWithName("oryx");
+
+ /* Declare the function ‘sum :: (int, int) int’ */
+ LLVMTypeRef param_types[] = {LLVMInt32Type(), LLVMInt32Type()};
+ LLVMTypeRef ret_type = LLVMFunctionType(LLVMInt32Type(), param_types, 2, 0);
+ LLVMValueRef sum = LLVMAddFunction(mod, "sum", ret_type);
+
+ /* Create an entry block, and a builder */
+ LLVMBasicBlockRef entry = LLVMAppendBasicBlock(sum, "entry");
+ LLVMBuilderRef builder = LLVMCreateBuilder();
+ LLVMPositionBuilderAtEnd(builder, entry);
+
+ /* Generate an ADD instruction */
+ LLVMValueRef tmp = LLVMBuildAdd(builder, LLVMGetParam(sum, 0),
+ LLVMGetParam(sum, 1), "tmpadd");
+ LLVMBuildRet(builder, tmp);
+
+ /* Verify that all went well and if not we abort */
+ char *error = NULL;
+ LLVMVerifyModule(mod, LLVMAbortProcessAction, &error);
+ LLVMDisposeMessage(error);
+
+ LLVMDumpModule(mod);
+
+ LLVMDisposeBuilder(builder);
+}
diff --git a/src/codegen.h b/src/codegen.h
new file mode 100644
index 0000000..79f3ad7
--- /dev/null
+++ b/src/codegen.h
@@ -0,0 +1,9 @@
+#ifndef ORYX_CODEGEN_H
+#define ORYX_CODEGEN_H
+
+#include "lexer.h"
+#include "parser.h"
+
+void codegen(struct ast_soa ast, struct lexemes_soa toks);
+
+#endif /* !ORYX_CODEGEN_H */
diff --git a/src/main.c b/src/main.c
index b156466..03ce9ca 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5,6 +5,7 @@
#include <stdlib.h>
#include <unistd.h>
+#include "codegen.h"
#include "errors.h"
#include "lexer.h"
#include "parser.h"
@@ -24,6 +25,7 @@ main(int argc, char **argv)
struct lexemes_soa toks = lexstring(src, srclen);
struct ast_soa ast = parsetoks(toks);
+ codegen(ast, toks);
#if DEBUG
free(src);