diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/codegen.c | 38 | ||||
| -rw-r--r-- | src/codegen.h | 9 | ||||
| -rw-r--r-- | src/main.c | 2 |
3 files changed, 49 insertions, 0 deletions
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 */ @@ -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); |