mirror of
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This commit is contained in:
jespergravgaard
parent
9fa2e5d734
commit
28c9b2ada7
@ -22,6 +22,12 @@ public class Pass1PrintfIntrinsicRewrite extends Pass2SsaOptimization {
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/** The printf procedure name. */
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public static final String INTRINSIC_PRINTF_NAME = "printf";
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/** The printf routine used to print formatted strings. */
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public static final String PRINTF_STRING = "printf_string";
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/** The printf routine used to print signed integers. */
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public static final String PRINTF_SINT = "printf_sint";
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/** The printf routine used to print unsigned integers. */
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public static final String PRINTF_UINT = "printf_uint";
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public Pass1PrintfIntrinsicRewrite(Program program) {
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super(program);
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@ -48,7 +54,7 @@ public class Pass1PrintfIntrinsicRewrite extends Pass2SsaOptimization {
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// Remove the call to printf()
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stmtIt.remove();
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// Printf Placeholder Format String
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// Printf Placeholder Format String - source: https://en.wikipedia.org/wiki/Printf_format_string
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// "%" start
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// ([1-9][0-9]* "$")? parameter (gives the # of the parameter to use)
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// [-+ 0'#]* flags (different flags affecting the formatting "-": left-align, "0": zero-prepend, "+": always sign)
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@ -68,31 +74,78 @@ public class Pass1PrintfIntrinsicRewrite extends Pass2SsaOptimization {
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}
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final int start = matcher.start();
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final int end = matcher.end();
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final String param = matcher.group(1);
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final String flags = matcher.group(2);
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final String width = matcher.group(3);
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final String length = matcher.group(4);
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final String type = matcher.group(5);
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if(param!=null)
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final String paramField = matcher.group(1);
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if(paramField != null)
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throw new CompileError("printf parameter field not supported", printfCall);
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// First grab the non-matching part
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final String flagsField = matcher.group(2);
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long leftJustify = (flagsField != null && flagsField.contains("-")) ? 1 : 0;
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long signAlways = (flagsField != null && flagsField.contains("+")) ? 1 : 0;
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long zeroPadding = (flagsField != null && flagsField.contains("0")) ? 1 : 0;
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final String widthField = matcher.group(3);
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long width = (widthField == null) ? 0 : Integer.parseInt(widthField);
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final String lengthField = matcher.group(4);
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final String typeField = matcher.group(5);
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// First output the non-matching part before the pattern
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String prefix = formatString.substring(formatIdx, start);
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printfConstantString(prefix, printfCall, stmtIt, formatEncoding);
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formatIdx = end;
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if(type.equals("s")) {
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// A string
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long w = (width==null)?0:Integer.parseInt(width);
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long leftJustify = (flags!=null && flags.contains("-"))?1:0;
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final ValueList format_string_struct = new ValueList(Arrays.asList(new ConstantInteger(w, SymbolType.BYTE), new ConstantInteger(leftJustify, SymbolType.BYTE)));
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final StatementCall call_printf_str = new StatementCall(null, "printf_string", Arrays.asList(parameters.get(paramIdx), format_string_struct), printfCall.getSource(), Comment.NO_COMMENTS);
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if(typeField.equals("s")) {
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// A formatted string
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//struct printf_format_string {
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// char min_length; // The minimal number of chars to output (used for padding with spaces or 0).
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// char justify_left; // Justify left instead of right, which is the default.
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//};
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final ValueList format_string_struct =
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new ValueList(Arrays.asList(
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new ConstantInteger(width, SymbolType.BYTE),
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new ConstantInteger(leftJustify, SymbolType.BYTE)
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));
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final StatementCall call_printf_str = new StatementCall(null, PRINTF_STRING, Arrays.asList(parameters.get(paramIdx), format_string_struct), printfCall.getSource(), Comment.NO_COMMENTS);
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call_printf_str.setProcedure(getScope().getLocalProcedure(call_printf_str.getProcedureName()).getRef());
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stmtIt.add(call_printf_str);
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paramIdx++;
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} else if("diuxXo".contains(typeField)) {
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// A formatted integer
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SymbolVariableRef radix;
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String printf_number_procedure;
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if(typeField.equals("d")) {
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radix = getScope().getLocalConstant("DECIMAL").getRef();
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printf_number_procedure = PRINTF_SINT;
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} else if(typeField.equals("x")) {
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radix = getScope().getLocalConstant("HEXADECIMAL").getRef();
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printf_number_procedure = PRINTF_UINT;
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} else {
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throw new CompileError("printf type field not supported", printfCall);
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}
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// Format specifying how to format a printed number
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// struct printf_format_number {
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// char min_length; // The minimal number of chars to output (used for padding with spaces or 0)
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// char justify_left; // Justify left instead of right, which is the default.
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// char sign_always; // Always show a sign for a number, even if is is positive. (Default is to only show sign for negative numbers)
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// char zero_padding; // Pad the number with zeros to get the min width
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// enum RADIX radix; // The number radix to use for formatting
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// };
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final ValueList format_number_struct =
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new ValueList(Arrays.asList(
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new ConstantInteger(width, SymbolType.BYTE),
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new ConstantInteger(leftJustify, SymbolType.BYTE),
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new ConstantInteger(signAlways, SymbolType.BYTE),
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new ConstantInteger(zeroPadding, SymbolType.BYTE),
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radix
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));
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final StatementCall call_printf_str = new StatementCall(null, printf_number_procedure, Arrays.asList(parameters.get(paramIdx), format_number_struct), printfCall.getSource(), Comment.NO_COMMENTS);
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call_printf_str.setProcedure(getScope().getLocalProcedure(call_printf_str.getProcedureName()).getRef());
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stmtIt.add(call_printf_str);
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paramIdx++;
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} else if(type.equals("d")) {
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System.out.println("decimal");
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}
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}
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// Grab the rest
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@ -106,6 +159,7 @@ public class Pass1PrintfIntrinsicRewrite extends Pass2SsaOptimization {
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/**
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* Add a printf_str() that prints a constant string.
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*
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* @param prefix The string to print
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* @param printfCall The original printf call
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* @param stmtIt The statement iterator to add to
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@ -42,7 +42,7 @@ public class TestPrograms {
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@Test
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public void testPintf10() throws IOException, URISyntaxException {
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compileAndCompare("printf-10.c", log());
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compileAndCompare("printf-10.c");
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}
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@Test
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@ -26,8 +26,37 @@ void printf_string(char* str, struct printf_format_string format) {
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printf_str(str);
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}
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void main() {
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char name[] = "Jesper";
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printf("Hello, I am %s. who are you?", name);
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// The different supported radix
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enum RADIX { BINARY=2, OCTAL=8, DECIMAL=10, HEXADECIMAL=16 };
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// Format specifying how to format a printed number
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struct printf_format_number {
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// The minimal number of chars to output (used for padding with spaces or 0)
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char min_length;
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// Justify left instead of right, which is the default.
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char justify_left;
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// Always show a sign for a number, even if is is positive. (Default is to only show sign for negative numbers)
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char sign_always;
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// Pad the number with zeros to get the min width
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char zero_padding;
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// The number radix to use for formatting
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enum RADIX radix;
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};
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const char printf_hextab[] = "0123456789abcdef"z;
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// Print an unsigned int using a specific format
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// Always prints hexadecimals - ignores min_length and flags
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void printf_uint(unsigned int uvalue, struct printf_format_number format) {
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*screen++ = printf_hextab[(>uvalue)>>4];
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*screen++ = printf_hextab[(>uvalue)&0xf];
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*screen++ = printf_hextab[(<uvalue)>>4];
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*screen++ = printf_hextab[(<uvalue)&0xf];
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}
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void main() {
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unsigned int age = 46;
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printf("Hello, I am %s. who are you?", "Jesper");
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printf("I am %x years old", age);
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}
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@ -5,7 +5,8 @@
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.pc = $80d "Program"
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.label screen = 2
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main: {
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// printf("Hello, I am %s. who are you?", name)
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.label age = $2e
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// printf("Hello, I am %s. who are you?", "Jesper")
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lda #<$400
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sta.z screen
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lda #>$400
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@ -15,21 +16,39 @@ main: {
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lda #>str
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sta.z printf_str.str+1
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jsr printf_str
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// printf("Hello, I am %s. who are you?", name)
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// printf("Hello, I am %s. who are you?", "Jesper")
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jsr printf_string
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// printf("Hello, I am %s. who are you?", name)
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lda #<str1
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// printf("Hello, I am %s. who are you?", "Jesper")
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lda #<str2
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sta.z printf_str.str
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lda #>str1
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lda #>str2
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sta.z printf_str.str+1
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jsr printf_str
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// printf("I am %x years old", age)
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lda #<str3
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sta.z printf_str.str
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lda #>str3
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sta.z printf_str.str+1
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jsr printf_str
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// printf("I am %x years old", age)
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jsr printf_uint
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// printf("I am %x years old", age)
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lda #<str4
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sta.z printf_str.str
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lda #>str4
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sta.z printf_str.str+1
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jsr printf_str
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// }
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rts
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name: .text "Jesper"
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.byte 0
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str: .text "Hello, I am "
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.byte 0
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str1: .text ". who are you?"
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str1: .text "Jesper"
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.byte 0
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str2: .text ". who are you?"
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.byte 0
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str3: .text "I am "
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.byte 0
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str4: .text " years old"
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.byte 0
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}
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// printf_str(byte* zp(4) str)
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@ -59,15 +78,58 @@ printf_str: {
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!:
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jmp __b1
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}
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// Print an unsigned int using a specific format
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// Always prints hexadecimals - ignores min_length and flags
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printf_uint: {
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// *screen++ = printf_hextab[(>uvalue)>>4]
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lda printf_hextab
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ldy #0
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sta (screen),y
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// *screen++ = printf_hextab[(>uvalue)>>4];
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inc.z screen
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bne !+
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inc.z screen+1
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!:
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// *screen++ = printf_hextab[(>uvalue)&0xf]
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lda printf_hextab
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ldy #0
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sta (screen),y
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// *screen++ = printf_hextab[(>uvalue)&0xf];
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inc.z screen
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bne !+
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inc.z screen+1
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!:
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// *screen++ = printf_hextab[(<uvalue)>>4]
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lda printf_hextab+((<main.age)>>4)
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ldy #0
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sta (screen),y
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// *screen++ = printf_hextab[(<uvalue)>>4];
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inc.z screen
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bne !+
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inc.z screen+1
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!:
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// *screen++ = printf_hextab[(<uvalue)&0xf]
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lda printf_hextab+((<main.age)&$f)
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ldy #0
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sta (screen),y
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// *screen++ = printf_hextab[(<uvalue)&0xf];
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inc.z screen
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bne !+
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inc.z screen+1
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!:
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// }
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rts
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}
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// Print a string value using a specific format
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// Handles justification and min length
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printf_string: {
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// printf_str(str)
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lda #<main.name
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lda #<main.str1
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sta.z printf_str.str
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lda #>main.name
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lda #>main.str1
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sta.z printf_str.str+1
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jsr printf_str
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// }
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rts
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}
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printf_hextab: .text "0123456789abcdef"
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@ -20,35 +20,62 @@ main::@1: scope:[main] from main
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main::@2: scope:[main] from main::@1
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[8] phi()
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[9] call printf_str
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to:main::@3
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main::@3: scope:[main] from main::@2
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[10] phi()
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[11] call printf_str
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to:main::@4
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main::@4: scope:[main] from main::@3
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[12] phi()
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[13] call printf_uint
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to:main::@5
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main::@5: scope:[main] from main::@4
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[14] phi()
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[15] call printf_str
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to:main::@return
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main::@return: scope:[main] from main::@2
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[10] return
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main::@return: scope:[main] from main::@5
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[16] return
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to:@return
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(void()) printf_str((byte*) printf_str::str)
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printf_str: scope:[printf_str] from main main::@2 printf_string
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[11] (byte*) screen#23 ← phi( main/(byte*) 1024 main::@2/(byte*) screen#10 printf_string/(byte*) screen#10 )
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[11] (byte*) printf_str::str#6 ← phi( main/(const byte*) main::str main::@2/(const byte*) main::str1 printf_string/(const byte*) main::name )
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printf_str: scope:[printf_str] from main main::@2 main::@3 main::@5 printf_string
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[17] (byte*) screen#36 ← phi( main/(byte*) 1024 main::@2/(byte*) screen#18 main::@3/(byte*) screen#18 main::@5/(byte*) screen#23 printf_string/(byte*) screen#18 )
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[17] (byte*) printf_str::str#8 ← phi( main/(const byte*) main::str main::@2/(const byte*) main::str2 main::@3/(const byte*) main::str3 main::@5/(const byte*) main::str4 printf_string/(const byte*) main::str1 )
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to:printf_str::@1
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printf_str::@1: scope:[printf_str] from printf_str printf_str::@2
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[12] (byte*) screen#10 ← phi( printf_str/(byte*) screen#23 printf_str::@2/(byte*) screen#1 )
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[12] (byte*) printf_str::str#4 ← phi( printf_str/(byte*) printf_str::str#6 printf_str::@2/(byte*) printf_str::str#0 )
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[13] if((byte) 0!=*((byte*) printf_str::str#4)) goto printf_str::@2
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[18] (byte*) screen#18 ← phi( printf_str/(byte*) screen#36 printf_str::@2/(byte*) screen#1 )
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[18] (byte*) printf_str::str#6 ← phi( printf_str/(byte*) printf_str::str#8 printf_str::@2/(byte*) printf_str::str#0 )
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[19] if((byte) 0!=*((byte*) printf_str::str#6)) goto printf_str::@2
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to:printf_str::@return
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printf_str::@return: scope:[printf_str] from printf_str::@1
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[14] return
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[20] return
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to:@return
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printf_str::@2: scope:[printf_str] from printf_str::@1
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[15] *((byte*) screen#10) ← *((byte*) printf_str::str#4)
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[16] (byte*) screen#1 ← ++ (byte*) screen#10
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[17] (byte*) printf_str::str#0 ← ++ (byte*) printf_str::str#4
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[21] *((byte*) screen#18) ← *((byte*) printf_str::str#6)
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[22] (byte*) screen#1 ← ++ (byte*) screen#18
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[23] (byte*) printf_str::str#0 ← ++ (byte*) printf_str::str#6
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to:printf_str::@1
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(void()) printf_uint((word) printf_uint::uvalue , (byte) printf_uint::format_min_length , (byte) printf_uint::format_justify_left , (byte) printf_uint::format_sign_always , (byte) printf_uint::format_zero_padding , (byte) printf_uint::format_radix)
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printf_uint: scope:[printf_uint] from main::@4
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[24] *((byte*) screen#18) ← *((const to_nomodify byte*) printf_hextab)
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[25] (byte*) screen#5 ← ++ (byte*) screen#18
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[26] *((byte*) screen#5) ← *((const to_nomodify byte*) printf_hextab)
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[27] (byte*) screen#6 ← ++ (byte*) screen#5
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[28] *((byte*) screen#6) ← *((const to_nomodify byte*) printf_hextab+<(const word) main::age>>(byte) 4)
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[29] (byte*) screen#7 ← ++ (byte*) screen#6
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[30] *((byte*) screen#7) ← *((const to_nomodify byte*) printf_hextab+<(const word) main::age&(byte) $f)
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[31] (byte*) screen#23 ← ++ (byte*) screen#7
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to:printf_uint::@return
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printf_uint::@return: scope:[printf_uint] from printf_uint
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[32] return
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to:@return
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(void()) printf_string((byte*) printf_string::str , (byte) printf_string::format_min_length , (byte) printf_string::format_justify_left)
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printf_string: scope:[printf_string] from main::@1
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[18] phi()
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[19] call printf_str
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[33] phi()
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[34] call printf_str
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to:printf_string::@return
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printf_string::@return: scope:[printf_string] from printf_string
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[20] return
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[35] return
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to:@return
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File diff suppressed because it is too large
Load Diff
@ -1,33 +1,62 @@
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(label) @1
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(label) @begin
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(label) @end
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(const byte) RADIX::BINARY = (number) 2
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(const byte) RADIX::DECIMAL = (number) $a
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(const byte) RADIX::HEXADECIMAL = (number) $10
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(const byte) RADIX::OCTAL = (number) 8
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(void()) main()
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(label) main::@1
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(label) main::@2
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(label) main::@3
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(label) main::@4
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(label) main::@5
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(label) main::@return
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(const byte*) main::name[] = (byte*) "Jesper"
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(const word) main::age = (word) $2e
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(const byte*) main::str[(byte) $d] = (byte*) "Hello, I am "
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(const byte*) main::str1[(byte) $f] = (byte*) ". who are you?"
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(const byte*) main::str1[(byte) 7] = (byte*) "Jesper"
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(const byte*) main::str2[(byte) $f] = (byte*) ". who are you?"
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(const byte*) main::str3[(byte) 6] = (byte*) "I am "
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(const byte*) main::str4[(byte) $b] = (byte*) " years old"
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(byte) printf_format_number::justify_left
|
||||
(byte) printf_format_number::min_length
|
||||
(byte) printf_format_number::radix
|
||||
(byte) printf_format_number::sign_always
|
||||
(byte) printf_format_number::zero_padding
|
||||
(byte) printf_format_string::justify_left
|
||||
(byte) printf_format_string::min_length
|
||||
(const to_nomodify byte*) printf_hextab[] = (byte*) "0123456789abcdef"z
|
||||
(void()) printf_str((byte*) printf_str::str)
|
||||
(label) printf_str::@1
|
||||
(label) printf_str::@2
|
||||
(label) printf_str::@return
|
||||
(byte*) printf_str::str
|
||||
(byte*) printf_str::str#0 str zp[2]:4 20002.0
|
||||
(byte*) printf_str::str#4 str zp[2]:4 10251.25
|
||||
(byte*) printf_str::str#6 str zp[2]:4 1001.0
|
||||
(byte*) printf_str::str#6 str zp[2]:4 10251.25
|
||||
(byte*) printf_str::str#8 str zp[2]:4 1001.0
|
||||
(void()) printf_string((byte*) printf_string::str , (byte) printf_string::format_min_length , (byte) printf_string::format_justify_left)
|
||||
(label) printf_string::@return
|
||||
(struct printf_format_string) printf_string::format
|
||||
(byte) printf_string::format_justify_left
|
||||
(byte) printf_string::format_min_length
|
||||
(byte*) printf_string::str
|
||||
(void()) printf_uint((word) printf_uint::uvalue , (byte) printf_uint::format_min_length , (byte) printf_uint::format_justify_left , (byte) printf_uint::format_sign_always , (byte) printf_uint::format_zero_padding , (byte) printf_uint::format_radix)
|
||||
(label) printf_uint::@return
|
||||
(struct printf_format_number) printf_uint::format
|
||||
(byte) printf_uint::format_justify_left
|
||||
(byte) printf_uint::format_min_length
|
||||
(byte) printf_uint::format_radix
|
||||
(byte) printf_uint::format_sign_always
|
||||
(byte) printf_uint::format_zero_padding
|
||||
(word) printf_uint::uvalue
|
||||
(byte*) screen
|
||||
(byte*) screen#1 screen zp[2]:2 10001.0
|
||||
(byte*) screen#10 screen zp[2]:2 2828.7272727272725
|
||||
(byte*) screen#23 screen zp[2]:2 1113.0
|
||||
(byte*) screen#18 screen zp[2]:2 1958.0625
|
||||
(byte*) screen#23 screen zp[2]:2 28.0
|
||||
(byte*) screen#36 screen zp[2]:2 1135.0
|
||||
(byte*) screen#5 screen zp[2]:2 151.5
|
||||
(byte*) screen#6 screen zp[2]:2 151.5
|
||||
(byte*) screen#7 screen zp[2]:2 151.5
|
||||
|
||||
zp[2]:2 [ screen#23 screen#10 screen#1 ]
|
||||
zp[2]:4 [ printf_str::str#4 printf_str::str#6 printf_str::str#0 ]
|
||||
zp[2]:2 [ screen#36 screen#18 screen#23 screen#1 screen#5 screen#7 screen#6 ]
|
||||
zp[2]:4 [ printf_str::str#6 printf_str::str#8 printf_str::str#0 ]
|
||||
|
||||
Loading…
Reference in New Issue
Block a user