preproc incbins

16 files changed, 1030 insertions, 405 deletions

diff --git a/Makefile b/Makefile
index 3671dbdbf..54fcc5662 100644
--- a/Makefile
+++ b/Makefile
@@ -122,7 +122,6 @@ tidy:
 include castform.mk
 include tilesets.mk
 include fonts.mk
-include generated.mk
 include misc.mk
 
 %.s: ;
@@ -153,25 +152,28 @@ src/agb_flash_mx.o: CFLAGS := -O -mthumb-interwork
 src/m4a_2.o: CC1 := tools/agbcc/bin/old_agbcc
 src/m4a_4.o: CC1 := tools/agbcc/bin/old_agbcc
 
-src/text.o: src/text.c $(GEN_FONT_HEADERS)
-src/link.o: src/link.c $(GEN_LINK_HEADERS)
+ifeq ($(NODEP),)
+%.o: c_dep = $(shell $(SCANINC) $*.c)
+else
+%.o: c_dep :=
+endif
 
-$(C_OBJS): %.o : %.c
+$(C_OBJS): %.o : %.c $$(c_dep)
 	@$(CPP) $(CPPFLAGS) -D $(VERSION) -D REVISION=$(REVISION) $< -o $*.i
 	@$(PREPROC) $*.i charmap.txt | $(CC1) $(CFLAGS) -o $*.s
 	@printf ".text\n\t.align\t2, 0\n" >> $*.s
 	$(AS) $(ASFLAGS) -o $@ $*.s
 
 ifeq ($(NODEP),)
-%.o: dep = $(shell $(SCANINC) $*.s)
+%.o: asm_dep = $(shell $(SCANINC) $*.s)
 else
-%.o: dep :=
+%.o: asm_dep :=
 endif
 
-$(ASM_OBJS): %.o: %.s $$(dep)
+$(ASM_OBJS): %.o: %.s $$(asm_dep)
 	$(AS) $(ASFLAGS) --defsym $(VERSION)=1 --defsym REVISION=$(REVISION) -o $@ $<
 
-$(DATA_ASM_OBJS): %.o: %.s $$(dep)
+$(DATA_ASM_OBJS): %.o: %.s $$(asm_dep)
 	$(PREPROC) $< charmap.txt | $(AS) $(ASFLAGS) --defsym $(VERSION)=1 --defsym REVISION=$(REVISION) -o $@
 
 $(SONG_OBJS): %.o: %.s
diff --git a/generated.mk b/generated.mk
deleted file mode 100644
index e05b28a9c..000000000
--- a/generated.mk
+++ /dev/null
@@ -1,43 +0,0 @@
-BIN2C := tools/bin2c/bin2c
-
-GEN_FONT_HEADERS := \
-include/fonts/font0_lat_glyphs.h \
-include/fonts/font1_lat_glyphs.h \
-include/fonts/font0_jpn_glyphs.h \
-include/fonts/font1_jpn_glyphs.h \
-include/fonts/braille_glyphs.h \
-include/fonts/down_arrow_tiles.h \
-include/fonts/unknown_palette_81E6692.h \
-include/fonts/default_palette.h
-
-GEN_LINK_HEADERS := include/link/digit_tiles.h include/link/digit_palette.h
-
-include/fonts/font0_lat_glyphs.h: graphics/fonts/font0_lat.1bpp
-	$(BIN2C) $< sFont0LatinGlyphs >$@ -static -col 8 -pad 4
-
-include/fonts/font1_lat_glyphs.h: graphics/fonts/font1_lat.1bpp
-	$(BIN2C) $< sFont1LatinGlyphs >$@ -static -col 8 -pad 4
-
-include/fonts/font0_jpn_glyphs.h: graphics/fonts/font0_jpn.1bpp
-	$(BIN2C) $< sFont0JapaneseGlyphs >$@ -static -col 8 -pad 4
-
-include/fonts/font1_jpn_glyphs.h: graphics/fonts/font1_jpn.1bpp
-	$(BIN2C) $< sFont1JapaneseGlyphs >$@ -static -col 8 -pad 4
-
-include/fonts/braille_glyphs.h: graphics/fonts/font6_braille.1bpp
-	$(BIN2C) $< sBrailleGlyphs >$@ -static -col 8 -pad 4
-
-include/fonts/down_arrow_tiles.h: graphics/fonts/down_arrow.4bpp
-	$(BIN2C) $< sDownArrowTiles >$@ -static -size 4 -pad 10
-
-include/fonts/unknown_palette_81E6692.h: graphics/fonts/unknown_81E6692.gbapal
-	$(BIN2C) $< gUnknownPalette_81E6692 >$@ -size 2 -pad 6
-
-include/fonts/default_palette.h: graphics/fonts/default.gbapal
-	$(BIN2C) $< gFontDefaultPalette >$@ -size 2 -pad 6
-
-include/link/digit_tiles.h: graphics/interface/link_test_digits.4bpp
-	$(BIN2C) $< sLinkTestDigitTiles >$@ -static -size 4 -pad 10
-
-include/link/digit_palette.h: graphics/interface/link_test_digits.gbapal
-	$(BIN2C) $< sLinkTestDigitPalette >$@ -static -size 2 -pad 6
diff --git a/include/fonts/.gitignore b/include/fonts/.gitignore
deleted file mode 100644
index 6e5bdcae2..000000000
--- a/include/fonts/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-font0_lat_glyphs.h
-font1_lat_glyphs.h
-font0_jpn_glyphs.h
-font1_jpn_glyphs.h
-braille_glyphs.h
-down_arrow_tiles.h
-unknown_palette_81E6692.h
-default_palette.h
diff --git a/include/link/.gitignore b/include/link/.gitignore
deleted file mode 100644
index 266afbe6e..000000000
--- a/include/link/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-digit_tiles.h
-digit_palette.h
diff --git a/src/link.c b/src/link.c
index 5c33fe986..dc6559fa2 100644
--- a/src/link.c
+++ b/src/link.c
@@ -155,8 +155,8 @@ EWRAM_DATA u32 gFiller_20238B8 = {0};
 EWRAM_DATA u32 dword_20238BC = {0};
 EWRAM_DATA bool8 gLinkOpen = {0};
 
-#include "link/digit_palette.h"
-#include "link/digit_tiles.h"
+static const u16 sLinkTestDigitPalette[] = INCBIN_U16("graphics/interface/link_test_digits.gbapal");
+static const u32 sLinkTestDigitTiles[] = INCBIN_U32("graphics/interface/link_test_digits.4bpp");
 
 static const u8 sDebugMessages[7][12] =
 {
diff --git a/src/text.c b/src/text.c
index 44ce6655f..cc3dab547 100644
--- a/src/text.c
+++ b/src/text.c
@@ -211,20 +211,22 @@ const u16 gUnknown_081E29D8[] = { 0x100, 0x200, 0x400, 0x800 };
 const u16 gUnknown_081E29E0[] = { 0x100, 0x200, 0x400, 0x800 };
 const u16 gUnknown_081E29E8[] = { 1, 2, 4, 8 };
 
-#include "fonts/font0_lat_glyphs.h"
-#include "fonts/font1_lat_glyphs.h"
-#include "fonts/font0_jpn_glyphs.h"
-#include "fonts/font1_jpn_glyphs.h"
-#include "fonts/braille_glyphs.h"
-#include "fonts/down_arrow_tiles.h"
+static const u8 sFont0LatinGlyphs[] = INCBIN_U8("graphics/fonts/font0_lat.1bpp");
+static const u8 sFont1LatinGlyphs[] = INCBIN_U8("graphics/fonts/font1_lat.1bpp");
+static const u8 sFont0JapaneseGlyphs[] = INCBIN_U8("graphics/fonts/font0_jpn.1bpp");
+static const u8 sFont1JapaneseGlyphs[] = INCBIN_U8("graphics/fonts/font1_jpn.1bpp");
+static const u8 sBrailleGlyphs[] = INCBIN_U8("graphics/fonts/font6_braille.1bpp");
+static const u32 sDownArrowTiles[] = INCBIN_U32("graphics/fonts/down_arrow.4bpp");
+
 #include "fonts/type1_map.h"
 #include "fonts/type3_map.h"
 #include "fonts/font1_widths.h"
 #include "fonts/font4_widths.h"
 #include "fonts/font0_widths.h"
 #include "fonts/font3_widths.h"
-#include "fonts/unknown_palette_81E6692.h"
-#include "fonts/default_palette.h"
+
+const u16 gUnknownPalette_81E6692[] = INCBIN_U16("graphics/fonts/unknown_81E6692.gbapal");
+const u16 gFontDefaultPalette[] = INCBIN_U16("graphics/fonts/default.gbapal");
 
 const u8 sBlankTile[8] = { 0, 0, 0, 0, 0, 0, 0, 0, };
 
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