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Add the ability to test only up to some stage. #6

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Add the ability to test only up to some stage. #6

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6 changes: 5 additions & 1 deletion README.md
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Expand Up @@ -4,9 +4,13 @@ This is a set of C test programs to help you write your own compiler. They were

## Usage

Run the tests with:
```
./test_compiler.sh /path/to/your/compiler
./test_compiler.sh /path/to/your/compiler [N_STEPS]
```
If the `N_STEPS` argument is left out, all steps (currently 9) will be run,
but by setting it you can avoid noisy errors when testing an early-stage
compiler implementation.

In order to use this script, your compiler needs to follow this spec:

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2 changes: 1 addition & 1 deletion test_compiler.sh
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Expand Up @@ -23,7 +23,7 @@ cmp=$1
success_total=0
failure_total=0

num_stages=9
num_stages=${2:-9}

for i in `seq 1 $num_stages`; do
success=0
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