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Merge branch 'master' into stripping_to_string_outputs_for_statetments
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commit
cee9bbb3f7
@ -6,6 +6,8 @@ import dk.camelot64.kickc.model.Program;
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import dk.camelot64.kickc.model.statements.Statement;
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import dk.camelot64.kickc.model.statements.StatementCall;
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import dk.camelot64.kickc.model.symbols.Procedure;
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import dk.camelot64.kickc.model.symbols.Scope;
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import dk.camelot64.kickc.model.symbols.Symbol;
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/**
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* Updates procedure calls to point to the actual procedure called.
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@ -23,10 +25,13 @@ public class Pass1Procedures extends Pass2SsaOptimization {
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if(statement instanceof StatementCall) {
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StatementCall call = (StatementCall) statement;
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String procedureName = call.getProcedureName();
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Procedure procedure = getScope().getLocalProcedure(procedureName);
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if(procedure == null) {
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throw new CompileError("Called procedure not found. " + call.toString(getProgram(), false), statement.getSource());
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}
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Scope localScope = (Scope) getScope().getSymbol(block.getScope());
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final Symbol procedureSymbol = localScope.findSymbol(procedureName);
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if(procedureSymbol == null)
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throw new CompileError("Called procedure not found. " + procedureName, statement.getSource());
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if(!(procedureSymbol instanceof Procedure))
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throw new CompileError("Called symbol is not a procedure. " + procedureSymbol.toString(), statement.getSource());
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Procedure procedure = (Procedure) procedureSymbol;
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call.setProcedure(procedure.getRef());
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if(procedure.isVariableLengthParameterList() && procedure.getParameters().size() > call.getParameters().size()) {
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throw new CompileError("Wrong number of parameters in call. Expected " + procedure.getParameters().size() + " or more. " + statement.toString(), statement.getSource());
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@ -42,6 +42,11 @@ public class TestPrograms {
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public TestPrograms() {
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}
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@Test
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public void testLocalVarShadowingProcedure() throws IOException, URISyntaxException {
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assertError("local-var-shadowing-procedure.c", "Called symbol is not a procedure. main::doit");
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}
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@Test
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public void testAdventOfCode04() throws IOException, URISyntaxException {
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compileAndCompare("adventofcode/2020-04.c");
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12
src/test/kc/local-var-shadowing-procedure.c
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12
src/test/kc/local-var-shadowing-procedure.c
Normal file
@ -0,0 +1,12 @@
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// Demonstrate that local variable shadowing a global procedure causes an error
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void main() {
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char doit = 7;
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doit();
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}
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char * const SCREEN = 0x0400;
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void doit() {
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SCREEN[0] = '*';
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}
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