diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/preproc/asm_file.cpp | 37 | ||||
| -rw-r--r-- | tools/preproc/c_file.cpp | 161 | ||||
| -rw-r--r-- | tools/preproc/c_file.h | 4 | ||||
| -rw-r--r-- | tools/scaninc/Makefile | 6 | ||||
| -rw-r--r-- | tools/scaninc/asm_file.cpp | 191 | ||||
| -rw-r--r-- | tools/scaninc/asm_file.h | 119 | ||||
| -rw-r--r-- | tools/scaninc/c_file.cpp | 329 | ||||
| -rw-r--r-- | tools/scaninc/c_file.h | 54 | ||||
| -rw-r--r-- | tools/scaninc/scaninc.cpp | 382 | ||||
| -rw-r--r-- | tools/scaninc/scaninc.h | 59 |
10 files changed, 1008 insertions, 334 deletions
diff --git a/tools/preproc/asm_file.cpp b/tools/preproc/asm_file.cpp index 7deaccc8a..49c9e3c66 100644 --- a/tools/preproc/asm_file.cpp +++ b/tools/preproc/asm_file.cpp @@ -111,45 +111,22 @@ void AsmFile::RemoveComments() m_buffer[pos++] = ' '; m_buffer[pos++] = ' '; - char commentStringChar = 0; - for (;;) { if (m_buffer[pos] == 0) return; - if (commentStringChar != 0) + if (m_buffer[pos] == '*' && m_buffer[pos + 1] == '/') { - if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == commentStringChar) - { - m_buffer[pos++] = ' '; - m_buffer[pos++] = ' '; - } - else - { - if (m_buffer[pos] == commentStringChar) - commentStringChar = 0; - if (m_buffer[pos] != '\n') - m_buffer[pos] = ' '; - pos++; - } + m_buffer[pos++] = ' '; + m_buffer[pos++] = ' '; + break; } else { - if (m_buffer[pos] == '*' && m_buffer[pos + 1] == '/') - { - m_buffer[pos++] = ' '; - m_buffer[pos++] = ' '; - break; - } - else - { - if (m_buffer[pos] == '"' || m_buffer[pos] == '\'') - commentStringChar = m_buffer[pos]; - if (m_buffer[pos] != '\n') - m_buffer[pos] = ' '; - pos++; - } + if (m_buffer[pos] != '\n') + m_buffer[pos] = ' '; + pos++; } } } diff --git a/tools/preproc/c_file.cpp b/tools/preproc/c_file.cpp index 4e6035214..cd11c8f6d 100644 --- a/tools/preproc/c_file.cpp +++ b/tools/preproc/c_file.cpp @@ -20,6 +20,8 @@ #include <cstdio> #include <cstdarg> +#include <string> +#include <memory> #include "preproc.h" #include "c_file.h" #include "char_util.h" @@ -101,6 +103,10 @@ void CFile::Preproc() else { TryConvertString(); + TryConvertIncbin(); + + if (m_pos >= m_size) + break; char c = m_buffer[m_pos++]; @@ -110,7 +116,7 @@ void CFile::Preproc() m_lineNum++; else if (c == '"') stringChar = '"'; - else if (m_buffer[m_pos] == '\'') + else if (c == '\'') stringChar = '\''; } } @@ -228,6 +234,159 @@ void CFile::TryConvertString() std::printf("0xFF }"); } +bool CFile::CheckIdentifier(const std::string& ident) +{ + int i; + + for (i = 0; (unsigned)i < ident.length() && m_pos + i < m_size; i++) + if (ident[i] != m_buffer[m_pos + i]) + return false; + + return (i == ident.length()); +} + +std::unique_ptr<unsigned char[]> CFile::ReadWholeFile(const std::string& path, int& size) +{ + FILE* fp = fopen(path.c_str(), "rb"); + + if (fp == nullptr) + RaiseError("Failed to open \"%s\" for reading.\n", path.c_str()); + + fseek(fp, 0, SEEK_END); + + size = ftell(fp); + + std::unique_ptr<unsigned char[]> buffer = std::make_unique<unsigned char[]>(size); + + rewind(fp); + + if (fread(buffer.get(), size, 1, fp) != 1) + RaiseError("Failed to read \"%s\".\n", path.c_str()); + + fclose(fp); + + return buffer; +} + +int ExtractData(const std::unique_ptr<unsigned char[]>& buffer, int offset, int size) +{ + switch (size) + { + case 1: + return buffer[offset]; + case 2: + return (buffer[offset + 1] << 8) + | buffer[offset]; + case 4: + return (buffer[offset + 3] << 24) + | (buffer[offset + 2] << 16) + | (buffer[offset + 1] << 8) + | buffer[offset]; + default: + FATAL_ERROR("Invalid size passed to ExtractData.\n"); + } +} + +void CFile::TryConvertIncbin() +{ + std::string idents[6] = { "INCBIN_S8", "INCBIN_U8", "INCBIN_S16", "INCBIN_U16", "INCBIN_S32", "INCBIN_U32" }; + int incbinType = -1; + + for (int i = 0; i < 6; i++) + { + if (CheckIdentifier(idents[i])) + { + incbinType = i; + break; + } + } + + if (incbinType == -1) + return; + + int size = 1 << (incbinType / 2); + bool isSigned = ((incbinType % 2) == 0); + + long oldPos = m_pos; + long oldLineNum = m_lineNum; + + m_pos += idents[incbinType].length(); + + SkipWhitespace(); + + if (m_buffer[m_pos] != '(') + { + m_pos = oldPos; + m_lineNum = oldLineNum; + return; + } + + m_pos++; + + SkipWhitespace(); + + if (m_buffer[m_pos] != '"') + RaiseError("expected double quote"); + + m_pos++; + + int startPos = m_pos; + + while (m_buffer[m_pos] != '"') + { + if (m_buffer[m_pos] == 0) + { + if (m_pos >= m_size) + RaiseError("unexpected EOF in path string"); + else + RaiseError("unexpected null character in path string"); + } + + if (m_buffer[m_pos] == '\r' || m_buffer[m_pos] == '\n') + RaiseError("unexpected end of line character in path string"); + + if (m_buffer[m_pos] == '\\') + RaiseError("unexpected escape in path string"); + + m_pos++; + } + + std::string path(&m_buffer[startPos], m_pos - startPos); + + m_pos++; + + SkipWhitespace(); + + if (m_buffer[m_pos] != ')') + RaiseError("expected ')'"); + + m_pos++; + + std::printf("{"); + + int fileSize; + std::unique_ptr<unsigned char[]> buffer = ReadWholeFile(path, fileSize); + + if ((fileSize % size) != 0) + RaiseError("Size %d doesn't evenly divide file size %d.\n", size, fileSize); + + int count = fileSize / size; + int offset = 0; + + for (int i = 0; i < count; i++) + { + int data = ExtractData(buffer, offset, size); + offset += size; + + if (isSigned) + printf("%d,", data); + else + printf("%uu,", data); + } + + std::printf("}"); +} + // Reports a diagnostic message. void CFile::ReportDiagnostic(const char* type, const char* format, std::va_list args) { diff --git a/tools/preproc/c_file.h b/tools/preproc/c_file.h index 1a2573839..ddd57fd84 100644 --- a/tools/preproc/c_file.h +++ b/tools/preproc/c_file.h @@ -24,6 +24,7 @@ #include <cstdarg> #include <cstdint> #include <string> +#include <memory> #include "preproc.h" class CFile @@ -46,6 +47,9 @@ private: bool ConsumeNewline(); void SkipWhitespace(); void TryConvertString(); + std::unique_ptr<unsigned char[]> CFile::ReadWholeFile(const std::string& path, int& size); + bool CheckIdentifier(const std::string& ident); + void TryConvertIncbin(); void ReportDiagnostic(const char* type, const char* format, std::va_list args); void RaiseError(const char* format, ...); void RaiseWarning(const char* format, ...); diff --git a/tools/scaninc/Makefile b/tools/scaninc/Makefile index 0efe283f1..71c4389ef 100644 --- a/tools/scaninc/Makefile +++ b/tools/scaninc/Makefile @@ -2,11 +2,13 @@ CXX = g++ CXXFLAGS = -Wall -std=c++11 -O2 -SRCS = scaninc.cpp +SRCS = scaninc.cpp c_file.cpp asm_file.cpp + +HEADERS := scaninc.h asm_file.h c_file.h .PHONY: clean -scaninc: $(SRCS) +scaninc: $(SRCS) $(HEADERS) $(CXX) $(CXXFLAGS) $(SRCS) -o $@ clean: diff --git a/tools/scaninc/asm_file.cpp b/tools/scaninc/asm_file.cpp new file mode 100644 index 000000000..143c70242 --- /dev/null +++ b/tools/scaninc/asm_file.cpp @@ -0,0 +1,191 @@ +// Copyright(c) 2015-2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include <cstdio> +#include <string> +#include "scaninc.h" +#include "asm_file.h" + +AsmFile::AsmFile(std::string path) +{ + m_path = path; + + FILE *fp = fopen(path.c_str(), "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", path.c_str()); + + fseek(fp, 0, SEEK_END); + + m_size = ftell(fp); + + m_buffer = new char[m_size]; + + rewind(fp); + + if (fread(m_buffer, m_size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", path.c_str()); + + fclose(fp); + + m_pos = 0; + m_lineNum = 1; +} + +AsmFile::~AsmFile() +{ + delete[] m_buffer; +} + +IncDirectiveType AsmFile::ReadUntilIncDirective(std::string &path) +{ + // At the beginning of each loop iteration, the current file position + // should be at the start of a line or at the end of the file. + for (;;) + { + SkipTabsAndSpaces(); + + IncDirectiveType incDirectiveType = IncDirectiveType::None; + + if (PeekChar() == '.') + { + m_pos++; + + if (MatchIncDirective("incbin", path)) + incDirectiveType = IncDirectiveType::Incbin; + else if (MatchIncDirective("include", path)) + incDirectiveType = IncDirectiveType::Include; + } + + for (;;) + { + int c = GetChar(); + + if (c == -1) + return incDirectiveType; + + if (c == ';') + { + SkipEndOfLineComment(); + break; + } + else if (c == '/' && PeekChar() == '*') + { + m_pos++; + SkipMultiLineComment(); + } + else if (c == '"') + { + SkipString(); + } + else if (c == '\n') + { + break; + } + } + + if (incDirectiveType != IncDirectiveType::None) + return incDirectiveType; + } +} + +std::string AsmFile::ReadPath() +{ + int length = 0; + int startPos = m_pos; + + for (;;) + { + int c = GetChar(); + + if (c == '"') + break; + + if (c == -1) + FATAL_INPUT_ERROR("unexpected EOF in include string\n"); + + if (c == 0) + FATAL_INPUT_ERROR("unexpected NUL character in include string\n"); + + if (c == '\n') + FATAL_INPUT_ERROR("unexpected end of line character in include string\n"); + + // Don't bother allowing any escape sequences. + if (c == '\\') + FATAL_INPUT_ERROR("unexpected escape in include string\n"); + + length++; + + if (length > SCANINC_MAX_PATH) + FATAL_INPUT_ERROR("path is too long"); + } + + return std::string(m_buffer, startPos, length); +} + +void AsmFile::SkipEndOfLineComment() +{ + int c; + + do + { + c = GetChar(); + } while (c != -1 && c != '\n'); +} + +void AsmFile::SkipMultiLineComment() +{ + for (;;) + { + int c = GetChar(); + + if (c == '*') + { + if (PeekChar() == '/') + { + m_pos++; + return; + } + } + else if (c == -1) + { + return; + } + } +} + +void AsmFile::SkipString() +{ + for (;;) + { + int c = GetChar(); + + if (c == '"') + break; + + if (c == -1) + FATAL_INPUT_ERROR("unexpected EOF in string\n"); + + if (c == '\\') + { + c = GetChar(); + } + } +} diff --git a/tools/scaninc/asm_file.h b/tools/scaninc/asm_file.h new file mode 100644 index 000000000..ad99b757e --- /dev/null +++ b/tools/scaninc/asm_file.h @@ -0,0 +1,119 @@ +// Copyright(c) 2015-2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef ASM_FILE_H +#define ASM_FILE_H + +#include <string> +#include "scaninc.h" + +enum class IncDirectiveType +{ + None, + Include, + Incbin +}; + +class AsmFile +{ +public: + AsmFile(std::string path); + ~AsmFile(); + IncDirectiveType ReadUntilIncDirective(std::string& path); + +private: + char *m_buffer; + int m_pos; + int m_size; + int m_lineNum; + std::string m_path; + + int GetChar() + { + if (m_pos >= m_size) + return -1; + + int c = m_buffer[m_pos++]; + + if (c == '\r') + { + if (m_pos < m_size && m_buffer[m_pos++] == '\n') + { + m_lineNum++; + return '\n'; + } + else + { + FATAL_INPUT_ERROR("CR line endings are not supported\n"); + } + } + + if (c == '\n') + m_lineNum++; + + return c; + } + + // No newline translation because it's not needed for any use of this function. + int PeekChar() + { + if (m_pos >= m_size) + return -1; + + return m_buffer[m_pos]; + } + + void SkipTabsAndSpaces() + { + while (m_pos < m_size && (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ')) + m_pos++; + } + + bool MatchIncDirective(std::string directiveName, std::string& path) + { + int length = directiveName.length(); + int i; + + for (i = 0; i < length && m_pos + i < m_size; i++) + if (directiveName[i] != m_buffer[m_pos + i]) + return false; + + if (i < length) + return false; + + m_pos += length; + + SkipTabsAndSpaces(); + + if (GetChar() != '"') + FATAL_INPUT_ERROR("no path after \".%s\" directive\n", directiveName.c_str()); + + path = ReadPath(); + + return true; + } + + std::string ReadPath(); + void SkipEndOfLineComment(); + void SkipMultiLineComment(); + void SkipString(); +}; + +#endif // ASM_FILE_H diff --git a/tools/scaninc/c_file.cpp b/tools/scaninc/c_file.cpp new file mode 100644 index 000000000..4af741f6e --- /dev/null +++ b/tools/scaninc/c_file.cpp @@ -0,0 +1,329 @@ +// Copyright(c) 2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include "c_file.h" + +CFile::CFile(std::string path) +{ + m_path = path; + + FILE *fp = fopen(path.c_str(), "rb"); + + if (fp == NULL) + FATAL_ERROR("Failed to open \"%s\" for reading.\n", path.c_str()); + + fseek(fp, 0, SEEK_END); + + m_size = ftell(fp); + + m_buffer = new char[m_size + 1]; + m_buffer[m_size] = 0; + + rewind(fp); + + if (fread(m_buffer, m_size, 1, fp) != 1) + FATAL_ERROR("Failed to read \"%s\".\n", path.c_str()); + + fclose(fp); + + m_pos = 0; + m_lineNum = 1; + + RemoveComments(); +} + +CFile::~CFile() +{ + delete[] m_buffer; +} + +// Removes comments to simplify further processing. +// It stops upon encountering a null character, +// which may or may not be the end of file marker. +// If it's not, the error will be caught later. +void CFile::RemoveComments() +{ + long pos = 0; + char stringChar = 0; + + for (;;) + { + if (m_buffer[pos] == 0) + return; + + if (stringChar != 0) + { + if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == stringChar) + { + pos += 2; + } + else + { + if (m_buffer[pos] == stringChar) + stringChar = 0; + pos++; + } + } + else if (m_buffer[pos] == '/' && m_buffer[pos + 1] == '/') + { + while (m_buffer[pos] != '\n' && m_buffer[pos] != 0) + m_buffer[pos++] = ' '; + } + else if (m_buffer[pos] == '/' && m_buffer[pos + 1] == '*') + { + m_buffer[pos++] = ' '; + m_buffer[pos++] = ' '; + + for (;;) + { + if (m_buffer[pos] == 0) + return; + + if (m_buffer[pos] == '*' && m_buffer[pos + 1] == '/') + { + m_buffer[pos++] = ' '; + m_buffer[pos++] = ' '; + break; + } + else + { + if (m_buffer[pos] != '\n') + m_buffer[pos] = ' '; + pos++; + } + } + } + else + { + if (m_buffer[pos] == '"' || m_buffer[pos] == '\'') + stringChar = m_buffer[pos]; + pos++; + } + } +} + +void CFile::FindIncbins() +{ + char stringChar = 0; + + while (m_pos < m_size) + { + if (stringChar) + { + if (m_buffer[m_pos] == stringChar) + { + m_pos++; + stringChar = 0; + } + else if (m_buffer[m_pos] == '\\' && m_buffer[m_pos + 1] == stringChar) + { + m_pos += 2; + } + else + { + if (m_buffer[m_pos] == '\n') + m_lineNum++; + m_pos++; + } + } + else + { + CheckIncbin(); + + if (m_pos >= m_size) + break; + + char c = m_buffer[m_pos++]; + + if (c == '\n') + m_lineNum++; + else if (c == '"') + stringChar = '"'; + else if (c == '\'') + stringChar = '\''; + else if (c == 0) + FATAL_INPUT_ERROR("unexpected null character"); + } + } +} + +bool CFile::ConsumeHorizontalWhitespace() +{ + if (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ') + { + m_pos++; + return true; + } + + return false; +} + +bool CFile::ConsumeNewline() +{ + if (m_buffer[m_pos] == '\r' && m_buffer[m_pos + 1] == '\n') + { + m_pos += 2; + m_lineNum++; + return true; + } + + if (m_buffer[m_pos] == '\n') + { + m_pos++; + m_lineNum++; + return true; + } + + return false; +} + +void CFile::SkipWhitespace() +{ + while (ConsumeHorizontalWhitespace() || ConsumeNewline()) + ; +} + +bool CFile::CheckIdentifier(const std::string& ident) +{ + int i; + + for (i = 0; (unsigned)i < ident.length() && m_pos + i < m_size; i++) + if (ident[i] != m_buffer[m_pos + i]) + return false; + + return (i == ident.length()); +} + +std::unique_ptr<unsigned char[]> CFile::ReadWholeFile(const std::string& path, int& size) +{ + FILE* fp = fopen(path.c_str(), "rb"); + + if (fp == nullptr) + FATAL_INPUT_ERROR("Failed to open \"%s\" for reading.\n", path.c_str()); + + fseek(fp, 0, SEEK_END); + + size = ftell(fp); + + std::unique_ptr<unsigned char[]> buffer = std::make_unique<unsigned char[]>(size); + + rewind(fp); + + if (fread(buffer.get(), size, 1, fp) != 1) + FATAL_INPUT_ERROR("Failed to read \"%s\".\n", path.c_str()); + + fclose(fp); + + return buffer; +} + +int ExtractData(const std::unique_ptr<unsigned char[]>& buffer, int offset, int size) +{ + switch (size) + { + case 1: + return buffer[offset]; + case 2: + return (buffer[offset + 1] << 8) + | buffer[offset]; + case 4: + return (buffer[offset + 3] << 24) + | (buffer[offset + 2] << 16) + | (buffer[offset + 1] << 8) + | buffer[offset]; + default: + FATAL_ERROR("Invalid size passed to ExtractData.\n"); + } +} + +void CFile::CheckIncbin() +{ + std::string idents[6] = { "INCBIN_S8", "INCBIN_U8", "INCBIN_S16", "INCBIN_U16", "INCBIN_S32", "INCBIN_U32" }; + int incbinType = -1; + + for (int i = 0; i < 6; i++) + { + if (CheckIdentifier(idents[i])) + { + incbinType = i; + break; + } + } + + if (incbinType == -1) + return; + + long oldPos = m_pos; + long oldLineNum = m_lineNum; + + m_pos += idents[incbinType].length(); + + SkipWhitespace(); + + if (m_buffer[m_pos] != '(') + { + m_pos = oldPos; + m_lineNum = oldLineNum; + return; + } + + m_pos++; + + SkipWhitespace(); + + if (m_buffer[m_pos] != '"') + FATAL_INPUT_ERROR("expected double quote"); + + m_pos++; + + int startPos = m_pos; + + while (m_buffer[m_pos] != '"') + { + if (m_buffer[m_pos] == 0) + { + if (m_pos >= m_size) + FATAL_INPUT_ERROR("unexpected EOF in path string"); + else + FATAL_INPUT_ERROR("unexpected null character in path string"); + } + + if (m_buffer[m_pos] == '\r' || m_buffer[m_pos] == '\n') + FATAL_INPUT_ERROR("unexpected end of line character in path string"); + + if (m_buffer[m_pos] == '\\') + FATAL_INPUT_ERROR("unexpected escape in path string"); + + m_pos++; + } + + std::string path(&m_buffer[startPos], m_pos - startPos); + + m_pos++; + + SkipWhitespace(); + + if (m_buffer[m_pos] != ')') + FATAL_INPUT_ERROR("expected ')'"); + + m_pos++; + + m_incbins.emplace(path); +} diff --git a/tools/scaninc/c_file.h b/tools/scaninc/c_file.h new file mode 100644 index 000000000..fcd327d28 --- /dev/null +++ b/tools/scaninc/c_file.h @@ -0,0 +1,54 @@ +// Copyright(c) 2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef C_FILE_H +#define C_FILE_H + +#include <string> +#include <set> +#include <memory> +#include "scaninc.h" + +class CFile +{ +public: + CFile(std::string path); + ~CFile(); + void FindIncbins(); + const std::set<std::string>& GetIncbins() { return m_incbins; } + +private: + char *m_buffer; + int m_pos; + int m_size; + int m_lineNum; + std::string m_path; + std::set<std::string> m_incbins; + + void CFile::RemoveComments(); + bool ConsumeHorizontalWhitespace(); + bool ConsumeNewline(); + void SkipWhitespace(); + std::unique_ptr<unsigned char[]> CFile::ReadWholeFile(const std::string& path, int& size); + bool CheckIdentifier(const std::string& ident); + void CheckIncbin(); +}; + +#endif // C_FILE_H diff --git a/tools/scaninc/scaninc.cpp b/tools/scaninc/scaninc.cpp index 3bd6b81a5..2f9ed81e9 100644 --- a/tools/scaninc/scaninc.cpp +++ b/tools/scaninc/scaninc.cpp @@ -1,317 +1,97 @@ -// Copyright (c) 2015 YamaArashi +// Copyright(c) 2015-2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. #include <cstdio> #include <cstdlib> #include <stack> #include <set> #include <string> - -#ifdef _MSC_VER - -#define FATAL_INPUT_ERROR(format, ...) \ -do { \ - fprintf(stderr, "%s:%d " format, m_path.c_str(), m_lineNum, __VA_ARGS__); \ - exit(1); \ -} while (0) - -#define FATAL_ERROR(format, ...) \ -do { \ - fprintf(stderr, format, __VA_ARGS__); \ - exit(1); \ -} while (0) - -#else - -#define FATAL_INPUT_ERROR(format, ...) \ -do { \ - fprintf(stderr, "%s:%d " format, m_path.c_str(), m_lineNum, ##__VA_ARGS__); \ - exit(1); \ -} while (0) - -#define FATAL_ERROR(format, ...) \ -do { \ - fprintf(stderr, format, ##__VA_ARGS__); \ - exit(1); \ -} while (0) - -#endif // _MSC_VER - -#define SCANINC_MAX_PATH 255 - -enum class IncDirectiveType { - None, - Include, - Incbin -}; - -class AsmFile -{ -public: - AsmFile(std::string path); - ~AsmFile(); - IncDirectiveType ReadUntilIncDirective(std::string &path); - -private: - char *m_buffer; - int m_pos; - int m_size; - int m_lineNum; - std::string m_path; - - int GetChar() - { - if (m_pos >= m_size) - return -1; - - int c = m_buffer[m_pos++]; - - if (c == '\r') { - if (m_pos < m_size && m_buffer[m_pos++] == '\n') { - m_lineNum++; - return '\n'; - } else { - FATAL_INPUT_ERROR("CR line endings are not supported\n"); - } - } - - if (c == '\n') - m_lineNum++; - - return c; - } - - // No newline translation because it's not needed for any use of this function. - int PeekChar() - { - if (m_pos >= m_size) - return -1; - - return m_buffer[m_pos]; - } - - void SkipTabsAndSpaces() - { - while (m_pos < m_size && (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ')) - m_pos++; - } - - bool MatchIncDirective(std::string directiveName, std::string &path) - { - int length = directiveName.length(); - int i; - - for (i = 0; i < length && m_pos + i < m_size; i++) - if (directiveName[i] != m_buffer[m_pos + i]) - return false; - - if (i < length) - return false; - - m_pos += length; - - SkipTabsAndSpaces(); - - if (GetChar() != '"') - FATAL_INPUT_ERROR("no path after \".%s\" directive\n", directiveName.c_str()); - - path = ReadPath(); - - return true; - } - - std::string ReadPath(); - void SkipEndOfLineComment(); - void SkipMultiLineComment(); - void SkipString(); -}; - -AsmFile::AsmFile(std::string path) -{ - m_path = path; - - FILE *fp = fopen(path.c_str(), "rb"); - - if (fp == NULL) - FATAL_ERROR("Failed to open \"%s\" for reading.\n", path.c_str()); - - fseek(fp, 0, SEEK_END); - - m_size = ftell(fp); - - m_buffer = new char[m_size]; - - rewind(fp); - - if (fread(m_buffer, m_size, 1, fp) != 1) - FATAL_ERROR("Failed to read \"%s\".\n", path.c_str()); - - fclose(fp); - - m_pos = 0; - m_lineNum = 1; -} - -AsmFile::~AsmFile() -{ - delete[] m_buffer; -} - -IncDirectiveType AsmFile::ReadUntilIncDirective(std::string &path) -{ - // At the beginning of each loop iteration, the current file position - // should be at the start of a line or at the end of the file. - for (;;) { - SkipTabsAndSpaces(); - - IncDirectiveType incDirectiveType = IncDirectiveType::None; - - if (PeekChar() == '.') { - m_pos++; - - if (MatchIncDirective("incbin", path)) - incDirectiveType = IncDirectiveType::Incbin; - else if (MatchIncDirective("include", path)) - incDirectiveType = IncDirectiveType::Include; - } - - for (;;) { - int c = GetChar(); - - if (c == -1) - return incDirectiveType; - - if (c == ';') { - SkipEndOfLineComment(); - break; - } else if (c == '/' && PeekChar() == '*') { - m_pos++; - SkipMultiLineComment(); - } else if (c == '"') { - SkipString(); - } else if (c == '\n') { - break; - } - } - - if (incDirectiveType != IncDirectiveType::None) - return incDirectiveType; - } -} - -std::string AsmFile::ReadPath() -{ - int length = 0; - int startPos = m_pos; - - for (;;) { - int c = GetChar(); - - if (c == '"') - break; - - if (c == -1) - FATAL_INPUT_ERROR("unexpected EOF in include string\n"); - - if (c == 0) - FATAL_INPUT_ERROR("unexpected NUL character in include string\n"); - - if (c == '\n') - FATAL_INPUT_ERROR("unexpected end of line character in include string\n"); - - // Don't bother allowing any escape sequences. - if (c == '\\') - FATAL_INPUT_ERROR("unexpected escape '\\%c' in include string\n", c); - - length++; - - if (length > SCANINC_MAX_PATH) - FATAL_INPUT_ERROR("path is too long"); - } - - return std::string(m_buffer, startPos, length); -} - -void AsmFile::SkipEndOfLineComment() -{ - int c; - - do { - c = GetChar(); - } while (c != -1 && c != '\n'); -} - -void AsmFile::SkipMultiLineComment() -{ - for (;;) { - int c = GetChar(); - - if (c == '*') { - if (PeekChar() == '/') { - m_pos++; - return; - } - } else if (c == -1) { - return; - } - } -} - -void AsmFile::SkipString() -{ - for (;;) { - int c = GetChar(); - - if (c == '"') - break; - - if (c == -1) - FATAL_INPUT_ERROR("unexpected EOF in string\n"); - - if (c == '\\') { - c = GetChar(); - } - } -} +#include "scaninc.h" +#include "asm_file.h" +#include "c_file.h" bool CanOpenFile(std::string path) { - FILE *fp = fopen(path.c_str(), "rb"); + FILE *fp = fopen(path.c_str(), "rb"); - if (fp == NULL) - return false; + if (fp == NULL) + return false; - fclose(fp); - return true; + fclose(fp); + return true; } int main(int argc, char **argv) { - if (argc < 2) - FATAL_ERROR("Usage: scaninc ASM_FILE_PATH\n"); - - std::stack<std::string> filesToProcess; - std::set<std::string> dependencies; - - filesToProcess.push(std::string(argv[1])); - - while (!filesToProcess.empty()) { - AsmFile file(filesToProcess.top()); - - filesToProcess.pop(); - - IncDirectiveType incDirectiveType; - std::string path; - - while ((incDirectiveType = file.ReadUntilIncDirective(path)) != IncDirectiveType::None) { - bool inserted = dependencies.insert(path).second; - if (inserted - && incDirectiveType == IncDirectiveType::Include - && CanOpenFile(path)) - filesToProcess.push(path); - } - } - - for (const std::string &path : dependencies) { - printf("%s\n", path.c_str()); - } + if (argc < 2) + FATAL_ERROR("Usage: scaninc FILE_PATH\n"); + + std::stack<std::string> filesToProcess; + std::set<std::string> dependencies; + + std::string initialPath(argv[1]); + + std::size_t pos = initialPath.find_last_of('.'); + + if (pos == std::string::npos) + FATAL_ERROR("no file extension in path \"%s\"\n", initialPath.c_str()); + + std::string extension = initialPath.substr(pos + 1); + + if (extension == "c") + { + CFile file(initialPath); + + file.FindIncbins(); + dependencies = file.GetIncbins(); + } + else if (extension == "s") + { + filesToProcess.push(std::string(argv[1])); + + while (!filesToProcess.empty()) + { + AsmFile file(filesToProcess.top()); + + filesToProcess.pop(); + + IncDirectiveType incDirectiveType; + std::string path; + + while ((incDirectiveType = file.ReadUntilIncDirective(path)) != IncDirectiveType::None) + { + bool inserted = dependencies.insert(path).second; + if (inserted + && incDirectiveType == IncDirectiveType::Include + && CanOpenFile(path)) + filesToProcess.push(path); + } + } + } + else + { + FATAL_ERROR("unknown extension \"%s\"\n", extension.c_str()); + } + + for (const std::string &path : dependencies) + { + printf("%s\n", path.c_str()); + } } diff --git a/tools/scaninc/scaninc.h b/tools/scaninc/scaninc.h new file mode 100644 index 000000000..30cc9611c --- /dev/null +++ b/tools/scaninc/scaninc.h @@ -0,0 +1,59 @@ +// Copyright(c) 2015-2017 YamaArashi +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#ifndef SCANINC_H +#define SCANINC_H + +#include <cstdio> +#include <cstdlib> + +#ifdef _MSC_VER + +#define FATAL_INPUT_ERROR(format, ...) \ +do { \ + fprintf(stderr, "%s:%d " format, m_path.c_str(), m_lineNum, __VA_ARGS__); \ + exit(1); \ +} while (0) + +#define FATAL_ERROR(format, ...) \ +do { \ + fprintf(stderr, format, __VA_ARGS__); \ + exit(1); \ +} while (0) + +#else + +#define FATAL_INPUT_ERROR(format, ...) \ +do { \ + fprintf(stderr, "%s:%d " format, m_path.c_str(), m_lineNum, ##__VA_ARGS__); \ + exit(1); \ +} while (0) + +#define FATAL_ERROR(format, ...) \ +do { \ + fprintf(stderr, format, ##__VA_ARGS__); \ + exit(1); \ +} while (0) + +#endif // _MSC_VER + +#define SCANINC_MAX_PATH 255 + +#endif // SCANINC_H |