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Code Issues Wiki Activity

get the expanded String new method in IMakefile.java

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This commit is contained in:
Alain Magloire 2004-02-29 00:40:25 +00:00
parent a010158135
commit dd5fdea8fa
2 changed files with 94 additions and 0 deletions
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14
build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/core/makefile/IMakefile.java
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@ -70,6 +70,20 @@ public interface IMakefile extends IParent {
*/ */
IMacroDefinition[] getBuiltinMacroDefinitions(); IMacroDefinition[] getBuiltinMacroDefinitions();
/**
* Returning after expanding any macros.
* @return String - expanded line
*/
String expandString(String line);
/**
* Returning after expanding any macros.
* @param String - line to expand
* @param boolean - if true recursively expand.
* @return String - expanded line
*/
String expandString(String line, boolean recursive);
/** /**
* Clear the all statements and (re)parse the Makefile * Clear the all statements and (re)parse the Makefile
* @param makefile * @param makefile

80
build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/makefile/AbstractMakefile.java
View file

@ -176,4 +176,84 @@ public abstract class AbstractMakefile extends Parent implements IMakefile {
return (IInferenceRule[]) array.toArray(new IInferenceRule[0]); return (IInferenceRule[]) array.toArray(new IInferenceRule[0]);
} }
public String expandString(String line) {
return expandString(line, false);
}
public String expandString(String line, boolean recursive) {
int len = line.length();
boolean foundDollar = false;
boolean inMacro = false;
StringBuffer buffer = new StringBuffer();
StringBuffer macroName = new StringBuffer();
for (int i = 0; i < len; i++) {
char c = line.charAt(i);
switch(c) {
case '$':
// '$$' --> '$'
if (foundDollar) {
buffer.append(c);
foundDollar = false;
} else {
foundDollar = true;
}
break;
case '(':
case '{':
if (foundDollar) {
inMacro = true;
} else {
buffer.append(c);
}
break;
case ')':
case '}':
if (inMacro) {
String name = macroName.toString();
if (name.length() > 0) {
IMacroDefinition[] defs = getMacroDefinition(name);
if (defs.length == 0) {
defs = getBuiltinMacroDefinition(name);
}
if (defs.length > 0) {
String result = defs[0].getValue().toString();
if (result.indexOf('$') != -1 && recursive) {
result = expandString(result, recursive);
}
buffer.append(result);
}
}
macroName.setLength(0);
inMacro = false;
} else {
buffer.append(c);
}
break;
default:
if (inMacro) {
macroName.append(c);
} else if (foundDollar) {
String name = String.valueOf(c);
IMacroDefinition[] defs = getMacroDefinition(name);
if (defs.length == 0) {
defs = getBuiltinMacroDefinition(name);
}
if (defs.length > 0) {
String result = defs[0].getValue().toString();
if (result.indexOf('$') != -1 && recursive) {
result = expandString(result, recursive);
}
buffer.append(result);
}
inMacro = false;
} else {
buffer.append(c);
}
foundDollar = false;
break;
}
}
return buffer.toString();
}
} }