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minor improvement of verilog identifier renaming, closes #582

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hneemann 2020-12-20 10:19:48 +01:00
parent 4efe6e4c88
commit d03cc1c492
3 changed files with 13 additions and 8 deletions
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7
src/main/java/de/neemann/digital/hdl/verilog2/VerilogRenaming.java
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@ -6,8 +6,8 @@
package de.neemann.digital.hdl.verilog2; package de.neemann.digital.hdl.verilog2;
import de.neemann.digital.hdl.model2.HDLModel; import de.neemann.digital.hdl.model2.HDLModel;
import java.util.Arrays;
import java.util.Arrays;
import java.util.HashSet; import java.util.HashSet;
/** /**
@ -38,10 +38,9 @@ public class VerilogRenaming implements HDLModel.Renaming {
if (isKeyword(name) || !isFirstCharValid(name)) if (isKeyword(name) || !isFirstCharValid(name))
// Escaped identifier, the space is part of the identifier. // Escaped identifier, the space is part of the identifier.
return "\\" + name + " "; return "\\" + name + " ";
else { else
return cleanName(name); return cleanName(name);
} }
}
private boolean isFirstCharValid(String name) { private boolean isFirstCharValid(String name) {
char c = name.charAt(0); char c = name.charAt(0);
@ -68,6 +67,8 @@ public class VerilogRenaming implements HDLModel.Renaming {
sb.append(c); sb.append(c);
else { else {
switch (c) { switch (c) {
case '\\':
break;
case '/': case '/':
case '!': case '!':
case '~': case '~':

2
src/test/java/de/neemann/digital/hdl/verilog2/VerilogRenamingTest.java
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@ -25,5 +25,7 @@ public class VerilogRenamingTest extends TestCase {
assertEquals("\\a<b ", r.checkName("a<b")); assertEquals("\\a<b ", r.checkName("a<b"));
assertEquals("\\a>b ", r.checkName("a>b")); assertEquals("\\a>b ", r.checkName("a>b"));
assertEquals("\\a=b ", r.checkName("a=b")); assertEquals("\\a=b ", r.checkName("a=b"));
assertEquals("a_b", r.checkName("a\\_b"));
assertEquals("\\a^b ", r.checkName("a\\^b"));
} }
} }

2
src/test/java/de/neemann/digital/hdl/vhdl2/VHDLRenamingTest.java
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@ -25,5 +25,7 @@ public class VHDLRenamingTest extends TestCase {
assertEquals("aleb", r.checkName("a<b")); assertEquals("aleb", r.checkName("a<b"));
assertEquals("agrb", r.checkName("a>b")); assertEquals("agrb", r.checkName("a>b"));
assertEquals("aeqb", r.checkName("a=b")); assertEquals("aeqb", r.checkName("a=b"));
assertEquals("a_b", r.checkName("a\\_b"));
assertEquals("a_b", r.checkName("a\\^b"));
} }
} }