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| author | Aryadev Chavali <aryadev@aryadevchavali.com> | 2024-04-14 17:22:34 +0630 |
|---|---|---|
| committer | Aryadev Chavali <aryadev@aryadevchavali.com> | 2024-04-14 17:25:28 +0630 |
| commit | 72ef40e6718cbe309a8fe6f32ac31adb1a40dda2 (patch) | |
| tree | 1cd7b248e0fbad33c0023b4a85142456632b4f60 | |
| parent | 86e9d51ab0b9ed2c5ccd1cf5f06fa3f3448c8f31 (diff) | |
| download | ovm-72ef40e6718cbe309a8fe6f32ac31adb1a40dda2.tar.gz ovm-72ef40e6718cbe309a8fe6f32ac31adb1a40dda2.tar.bz2 ovm-72ef40e6718cbe309a8fe6f32ac31adb1a40dda2.zip | |
parser -> preprocesser + parser
I've decided to split the module parsing into two modules, one for the
preprocessing stage which only deals with tokens and the parsing stage
which generates bytecode.
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | asm/preprocesser.cpp | 13 | ||||
| -rw-r--r-- | asm/preprocesser.hpp | 39 |
3 files changed, 53 insertions, 1 deletions
@@ -35,7 +35,7 @@ VM_OUT=$(DIST)/ovm.out ## ASSEMBLY setup ASM_DIST=$(DIST)/asm ASM_SRC=asm -ASM_CODE:=$(addprefix $(ASM_SRC)/, lexer.cpp) +ASM_CODE:=$(addprefix $(ASM_SRC)/, lexer.cpp, preprocesser.cpp) ASM_OBJECTS:=$(ASM_CODE:$(ASM_SRC)/%.cpp=$(ASM_DIST)/%.o) ASM_DEPS:=$(ASM_OBJECTS:%.o=%.d) $(ASM_DIST)/main.d ASM_CFLAGS=$(CPPFLAGS) diff --git a/asm/preprocesser.cpp b/asm/preprocesser.cpp new file mode 100644 index 0000000..615cf93 --- /dev/null +++ b/asm/preprocesser.cpp @@ -0,0 +1,13 @@ +/* Copyright (C) 2024 Aryadev Chavali + + * You may distribute and modify this code under the terms of the + * GPLv2 license. You should have received a copy of the GPLv2 + * license with this file. If not, please write to: + * aryadev@aryadevchavali.com. + + * Created: 2024-04-14 + * Author: Aryadev Chavali + * Description: Preprocessor which occurs after lexing before parsing. + */ + +#include "./preprocesser.hpp" diff --git a/asm/preprocesser.hpp b/asm/preprocesser.hpp new file mode 100644 index 0000000..9d733dd --- /dev/null +++ b/asm/preprocesser.hpp @@ -0,0 +1,39 @@ +/* Copyright (C) 2024 Aryadev Chavali + + * You may distribute and modify this code under the terms of the GPLv2 + * license. You should have received a copy of the GPLv2 license with + * this file. If not, please write to: aryadev@aryadevchavali.com. + + * Created: 2024-04-14 + * Author: Aryadev Chavali + * Description: Preprocessor which occurs after lexing before parsing. + */ + +#ifndef PREPROCESSER_HPP +#define PREPROCESSER_HPP + +#include <tuple> + +#include "./lexer.hpp" + +enum pp_err_t +{ + OK = 0, + EXPECTED_NAME, + EXPECTED_STRING, + EXPECTED_END, + FILE_NONEXISTENT, + FILE_PARSE_ERROR, + UNKNOWN_NAME, +}; + +std::pair<std::vector<token_t>, pp_err_t> +preprocesser(const std::vector<token_t> &); + +std::pair<std::vector<token_t>, pp_err_t> +preprocess_macro_blocks(const std::vector<token_t> &); + +std::pair<std::vector<token_t>, pp_err_t> +preprocess_use_blocks(const std::vector<token_t> &); + +#endif |